From 4a7e0ac82ac89c40ebfce94bed4ce566c8f6876b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Mario=20H=C3=BCttel?= Date: Sat, 21 Mar 2020 22:38:10 +0100 Subject: [PATCH] Add imgui --- CMakeLists.txt | 16 +- imgui-submodule/imgui/LICENSE.txt | 21 + imgui-submodule/imgui/docs/CHANGELOG.txt | 2374 ++++ imgui-submodule/imgui/docs/FAQ.md | 605 + imgui-submodule/imgui/docs/FONTS.txt | 376 + imgui-submodule/imgui/docs/README.md | 224 + imgui-submodule/imgui/docs/TODO.txt | 399 + imgui-submodule/imgui/examples/.gitignore | 46 + imgui-submodule/imgui/examples/CMakeCache.txt | 463 + .../CMakeFiles/3.16.5/CMakeCCompiler.cmake | 76 + .../CMakeFiles/3.16.5/CMakeCXXCompiler.cmake | 88 + .../3.16.5/CMakeDetermineCompilerABI_C.bin | Bin 0 -> 16392 bytes .../3.16.5/CMakeDetermineCompilerABI_CXX.bin | Bin 0 -> 16408 bytes .../CMakeFiles/3.16.5/CMakeSystem.cmake | 15 + .../3.16.5/CompilerIdC/CMakeCCompilerId.c | 671 + .../CMakeFiles/3.16.5/CompilerIdC/a.out | Bin 0 -> 16552 bytes 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.../imgui/examples/imgui_impl_vulkan.h | 126 + .../imgui/examples/imgui_impl_win32.cpp | 441 + .../imgui/examples/imgui_impl_win32.h | 35 + .../imgui/examples/libs/gl3w/GL/gl3w.c | 1344 ++ .../imgui/examples/libs/gl3w/GL/gl3w.h | 1234 ++ .../imgui/examples/libs/gl3w/GL/glcorearb.h | 4533 +++++++ .../imgui/examples/libs/glfw/COPYING.txt | 22 + .../examples/libs/glfw/include/GLFW/glfw3.h | 4227 +++++++ .../libs/glfw/include/GLFW/glfw3native.h | 456 + .../libs/glfw/lib-vc2010-32/glfw3.lib | Bin 0 -> 187376 bytes .../libs/glfw/lib-vc2010-64/glfw3.lib | Bin 0 -> 291120 bytes .../imgui/examples/libs/usynergy/README.txt | 8 + .../imgui/examples/libs/usynergy/uSynergy.c | 636 + .../imgui/examples/libs/usynergy/uSynergy.h | 420 + .../imgui/examples/opengl-playground | Bin 0 -> 1167632 bytes .../shaders/2d-passthrough-vertex.glsl | 8 + .../shaders/2d-zoom-translate-vertex.glsl | 11 + .../examples/shaders/fixed-red-fragment.glsl | 8 + .../shaders/textured-rectangle-fragment.glsl | 8 + .../shaders/textured-rectangle-vertex.glsl | 10 + .../shaders/triangle-gen-geometry.glsl | 15 + .../shaders/triangle-gen-zoomed-geometry.glsl | 17 + imgui-submodule/imgui/imconfig.h | 108 + imgui-submodule/imgui/imgui.cpp | 10375 ++++++++++++++++ imgui-submodule/imgui/imgui.h | 2320 ++++ imgui-submodule/imgui/imgui_demo.cpp | 4917 ++++++++ imgui-submodule/imgui/imgui_draw.cpp | 3594 ++++++ imgui-submodule/imgui/imgui_internal.h | 1949 +++ imgui-submodule/imgui/imgui_widgets.cpp | 7700 ++++++++++++ imgui-submodule/imgui/imstb_rectpack.h | 639 + imgui-submodule/imgui/imstb_textedit.h | 1417 +++ imgui-submodule/imgui/imstb_truetype.h | 4903 ++++++++ imgui-submodule/imgui/misc/README.txt | 24 + imgui-submodule/imgui/misc/cpp/README.txt | 10 + .../imgui/misc/cpp/imgui_stdlib.cpp | 77 + imgui-submodule/imgui/misc/cpp/imgui_stdlib.h | 23 + .../imgui/misc/fonts/Cousine-Regular.ttf | Bin 0 -> 43912 bytes .../imgui/misc/fonts/DroidSans.ttf | Bin 0 -> 190044 bytes 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73595 insertions(+), 94 deletions(-) create mode 100644 imgui-submodule/imgui/LICENSE.txt create mode 100644 imgui-submodule/imgui/docs/CHANGELOG.txt create mode 100644 imgui-submodule/imgui/docs/FAQ.md create mode 100644 imgui-submodule/imgui/docs/FONTS.txt create mode 100644 imgui-submodule/imgui/docs/README.md create mode 100644 imgui-submodule/imgui/docs/TODO.txt create mode 100644 imgui-submodule/imgui/examples/.gitignore create mode 100644 imgui-submodule/imgui/examples/CMakeCache.txt create mode 100644 imgui-submodule/imgui/examples/CMakeFiles/3.16.5/CMakeCCompiler.cmake create mode 100644 imgui-submodule/imgui/examples/CMakeFiles/3.16.5/CMakeCXXCompiler.cmake create mode 100755 imgui-submodule/imgui/examples/CMakeFiles/3.16.5/CMakeDetermineCompilerABI_C.bin create mode 100755 imgui-submodule/imgui/examples/CMakeFiles/3.16.5/CMakeDetermineCompilerABI_CXX.bin create mode 100644 imgui-submodule/imgui/examples/CMakeFiles/3.16.5/CMakeSystem.cmake create mode 100644 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100644 imgui-submodule/imgui/examples/imgui_impl_allegro5.h create mode 100644 imgui-submodule/imgui/examples/imgui_impl_dx10.cpp create mode 100644 imgui-submodule/imgui/examples/imgui_impl_dx10.h create mode 100644 imgui-submodule/imgui/examples/imgui_impl_dx11.cpp create mode 100644 imgui-submodule/imgui/examples/imgui_impl_dx11.h create mode 100644 imgui-submodule/imgui/examples/imgui_impl_dx12.cpp create mode 100644 imgui-submodule/imgui/examples/imgui_impl_dx12.h create mode 100644 imgui-submodule/imgui/examples/imgui_impl_dx9.cpp create mode 100644 imgui-submodule/imgui/examples/imgui_impl_dx9.h create mode 100644 imgui-submodule/imgui/examples/imgui_impl_glfw.cpp create mode 100644 imgui-submodule/imgui/examples/imgui_impl_glfw.h create mode 100644 imgui-submodule/imgui/examples/imgui_impl_glut.cpp create mode 100644 imgui-submodule/imgui/examples/imgui_impl_glut.h create mode 100644 imgui-submodule/imgui/examples/imgui_impl_marmalade.cpp create mode 100644 imgui-submodule/imgui/examples/imgui_impl_marmalade.h create mode 100644 imgui-submodule/imgui/examples/imgui_impl_metal.h create mode 100644 imgui-submodule/imgui/examples/imgui_impl_metal.mm create mode 100644 imgui-submodule/imgui/examples/imgui_impl_opengl2.cpp create mode 100644 imgui-submodule/imgui/examples/imgui_impl_opengl2.h create mode 100644 imgui-submodule/imgui/examples/imgui_impl_opengl3.cpp create mode 100644 imgui-submodule/imgui/examples/imgui_impl_opengl3.h create mode 100644 imgui-submodule/imgui/examples/imgui_impl_osx.h create mode 100644 imgui-submodule/imgui/examples/imgui_impl_osx.mm create mode 100644 imgui-submodule/imgui/examples/imgui_impl_sdl.cpp create mode 100644 imgui-submodule/imgui/examples/imgui_impl_sdl.h create mode 100644 imgui-submodule/imgui/examples/imgui_impl_vulkan.cpp create mode 100644 imgui-submodule/imgui/examples/imgui_impl_vulkan.h create mode 100644 imgui-submodule/imgui/examples/imgui_impl_win32.cpp create mode 100644 imgui-submodule/imgui/examples/imgui_impl_win32.h create mode 100644 imgui-submodule/imgui/examples/libs/gl3w/GL/gl3w.c create mode 100644 imgui-submodule/imgui/examples/libs/gl3w/GL/gl3w.h create mode 100644 imgui-submodule/imgui/examples/libs/gl3w/GL/glcorearb.h create mode 100644 imgui-submodule/imgui/examples/libs/glfw/COPYING.txt create mode 100644 imgui-submodule/imgui/examples/libs/glfw/include/GLFW/glfw3.h create mode 100644 imgui-submodule/imgui/examples/libs/glfw/include/GLFW/glfw3native.h create mode 100644 imgui-submodule/imgui/examples/libs/glfw/lib-vc2010-32/glfw3.lib create mode 100644 imgui-submodule/imgui/examples/libs/glfw/lib-vc2010-64/glfw3.lib create mode 100644 imgui-submodule/imgui/examples/libs/usynergy/README.txt create mode 100644 imgui-submodule/imgui/examples/libs/usynergy/uSynergy.c create mode 100644 imgui-submodule/imgui/examples/libs/usynergy/uSynergy.h create mode 100755 imgui-submodule/imgui/examples/opengl-playground create mode 100644 imgui-submodule/imgui/examples/shaders/2d-passthrough-vertex.glsl create mode 100644 imgui-submodule/imgui/examples/shaders/2d-zoom-translate-vertex.glsl create mode 100644 imgui-submodule/imgui/examples/shaders/fixed-red-fragment.glsl create mode 100644 imgui-submodule/imgui/examples/shaders/textured-rectangle-fragment.glsl create mode 100644 imgui-submodule/imgui/examples/shaders/textured-rectangle-vertex.glsl create mode 100644 imgui-submodule/imgui/examples/shaders/triangle-gen-geometry.glsl create mode 100644 imgui-submodule/imgui/examples/shaders/triangle-gen-zoomed-geometry.glsl create mode 100644 imgui-submodule/imgui/imconfig.h create mode 100644 imgui-submodule/imgui/imgui.cpp create mode 100644 imgui-submodule/imgui/imgui.h create mode 100644 imgui-submodule/imgui/imgui_demo.cpp create mode 100644 imgui-submodule/imgui/imgui_draw.cpp create mode 100644 imgui-submodule/imgui/imgui_internal.h create mode 100644 imgui-submodule/imgui/imgui_widgets.cpp create mode 100644 imgui-submodule/imgui/imstb_rectpack.h create mode 100644 imgui-submodule/imgui/imstb_textedit.h create mode 100644 imgui-submodule/imgui/imstb_truetype.h create mode 100644 imgui-submodule/imgui/misc/README.txt create mode 100644 imgui-submodule/imgui/misc/cpp/README.txt create mode 100644 imgui-submodule/imgui/misc/cpp/imgui_stdlib.cpp create mode 100644 imgui-submodule/imgui/misc/cpp/imgui_stdlib.h create mode 100644 imgui-submodule/imgui/misc/fonts/Cousine-Regular.ttf create mode 100644 imgui-submodule/imgui/misc/fonts/DroidSans.ttf create mode 100644 imgui-submodule/imgui/misc/fonts/Karla-Regular.ttf create mode 100644 imgui-submodule/imgui/misc/fonts/ProggyClean.ttf create mode 100644 imgui-submodule/imgui/misc/fonts/ProggyTiny.ttf create mode 100644 imgui-submodule/imgui/misc/fonts/Roboto-Medium.ttf create mode 100644 imgui-submodule/imgui/misc/fonts/binary_to_compressed_c.cpp create mode 100644 imgui-submodule/imgui/misc/freetype/README.md create mode 100644 imgui-submodule/imgui/misc/freetype/imgui_freetype.cpp create mode 100644 imgui-submodule/imgui/misc/freetype/imgui_freetype.h create mode 100644 imgui-submodule/imgui/misc/natvis/README.txt create mode 100644 imgui-submodule/imgui/misc/natvis/imgui.natvis create mode 100644 imgui-submodule/imgui/misc/single_file/imgui_single_file.h diff --git a/CMakeLists.txt b/CMakeLists.txt index 51d29e7..8f6d2d6 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -3,13 +3,14 @@ project(opengl-playground) #set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake") cmake_minimum_required(VERSION 2.8) +find_package(glm REQUIRED) find_package(PkgConfig REQUIRED) pkg_check_modules(EPOXY REQUIRED epoxy) pkg_check_modules(SDL2 REQUIRED sdl2) #find_package(OpenCL REQUIRED) -include_directories("${CMAKE_CURRENT_SOURCE_DIR}/include" ${EPOXY_INCLUDE_DIRS} ${SDL2_INCLUDE_DIRS}) +include_directories("${CMAKE_CURRENT_SOURCE_DIR}/include" "${CMAKE_CURRENT_SOURCE_DIR}/imgui-submodule/imgui/examples" "${CMAKE_CURRENT_SOURCE_DIR}/imgui-submodule/imgui" ${EPOXY_INCLUDE_DIRS} ${SDL2_INCLUDE_DIRS}) configure_file("shaders/2d-passthrough-vertex.glsl" "shaders/2d-passthrough-vertex.glsl" COPYONLY) @@ -22,9 +23,18 @@ configure_file("shaders/textured-rectangle-fragment.glsl" "shaders/textured-rect configure_file("shaders/2d-zoom-translate-vertex.glsl" "shaders/2d-zoom-translate-vertex.glsl" COPYONLY) +set(IMGUI_SOURCES "${CMAKE_CURRENT_SOURCE_DIR}/imgui-submodule/imgui/imgui.cpp" + "${CMAKE_CURRENT_SOURCE_DIR}/imgui-submodule/imgui/imgui_draw.cpp" + "${CMAKE_CURRENT_SOURCE_DIR}/imgui-submodule/imgui/imgui_demo.cpp" + "${CMAKE_CURRENT_SOURCE_DIR}/imgui-submodule/imgui/imgui_widgets.cpp" + "${CMAKE_CURRENT_SOURCE_DIR}/imgui-submodule/imgui/misc/cpp/imgui_stdlib.cpp" + "${CMAKE_CURRENT_SOURCE_DIR}/imgui-submodule/imgui/examples/imgui_impl_sdl.cpp" + "${CMAKE_CURRENT_SOURCE_DIR}/imgui-submodule/imgui/examples/imgui_impl_opengl3.cpp" + ) + aux_source_directory("src" SOURCES) add_compile_options(-Wall) -add_executable(${PROJECT_NAME} ${SOURCES}) -target_link_libraries(${PROJECT_NAME} m pthread ${EPOXY_LIBRARIES} ${SDL2_LIBRARIES}) +add_executable(${PROJECT_NAME} ${SOURCES} ${IMGUI_SOURCES}) +target_link_libraries(${PROJECT_NAME} m pthread ${EPOXY_LIBRARIES} ${SDL2_LIBRARIES} glm) install (TARGETS ${PROJECT_NAME} DESTINATION bin) diff --git a/imgui-submodule/imgui/LICENSE.txt b/imgui-submodule/imgui/LICENSE.txt new file mode 100644 index 0000000..d876399 --- /dev/null +++ b/imgui-submodule/imgui/LICENSE.txt @@ -0,0 +1,21 @@ +The MIT License (MIT) + +Copyright (c) 2014-2020 Omar Cornut + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/imgui-submodule/imgui/docs/CHANGELOG.txt b/imgui-submodule/imgui/docs/CHANGELOG.txt new file mode 100644 index 0000000..96d02a8 --- /dev/null +++ b/imgui-submodule/imgui/docs/CHANGELOG.txt @@ -0,0 +1,2374 @@ +dear imgui +CHANGELOG + +This document holds the user-facing changelog that we also use in release notes. +We generally fold multiple commits pertaining to the same topic as a single entry. +Changes to the examples/bindings are included within the individual .cpp files in the examples/ folder. + +RELEASE NOTES: https://github.com/ocornut/imgui/releases +REPORT ISSUES, ASK QUESTIONS: https://github.com/ocornut/imgui/issues +COMMITS HISTORY: https://github.com/ocornut/imgui/commits/master +FAQ https://www.dearimgui.org/faq/ + +WHEN TO UPDATE? + +- Keeping your copy of dear imgui updated once in a while is recommended. +- It is generally safe to sync to the latest commit in master. + The library is fairly stable and regressions tends to be fixed fast when reported. + +HOW TO UPDATE? + +- Overwrite every file except imconfig.h (if you have modified it). +- You may also locally branch to modify imconfig.h and merge latest into your branch. +- Read the `Breaking Changes` section (in imgui.cpp or here in the Changelog). +- If you have a problem with a missing function/symbols, search for its name in the code, there will likely be a comment about it. +- If you are dropping this repository in your codebase, please leave the demo and text files in there, they will be useful. +- You may diff your previous Changelog with the one you just copied and read that diff. +- You may enable `IMGUI_DISABLE_OBSOLETE_FUNCTIONS` in imconfig.h to forcefully disable legacy names and symbols. + Doing it every once in a while is a good way to make sure you are not using obsolete symbols. Dear ImGui is in active development, + and API updates have been a little more frequent lately. They are documented below and in imgui.cpp and should not affect all users. +- Please report any issue! + + +----------------------------------------------------------------------- + VERSION 1.76 WIP (In Progress) +----------------------------------------------------------------------- + +Other Changes: + +- Drag and Drop, Nav: Disabling navigation arrow keys when drag and drop is active. In the docking + branch pressing arrow keys while dragging a window from a tab could trigger an assert. (#3025) +- ColorButton: Added ImGuiColorEditFlags_NoBorder flag to remove the border normally enforced + by default for standalone ColorButton. +- BeginMenu: Using same ID multiple times appends content to a menu. (#1207) [@rokups] +- BeginMenu: Fixed a bug where SetNextWindowXXX data before a BeginMenu() would not be cleared + when the menu is not open. (#3030) +- InputText: Fixed password fields displaying ASCII spaces as blanks instead of using the '*' + glyph. (#2149, #515) +- Added optional support for Unicode plane 1-16 (#2538, #2541, #2815) [@cloudwu, @samhocevar] + - Compile-time enable with '#define ImWchar ImWchar32' in imconfig.h. + - Generally more consistent support for unsupported codepoints (0xFFFD), in particular when + using the default, non-fitting characters will be turned into 0xFFFD instead of being ignored. + - Surrogate pairs are supported when submitting UTF-16 data via io.AddInputCharacterUTF16(), + allowing for more complete CJK input. + - sizeof(ImWchar) goes from 2 to 4. IM_UNICODE_CODEPOINT_MAX goes from 0xFFFF to 0x10FFFF. + - Various structures such as ImFont, ImFontGlyphRangesBuilder will use more memory, this + is currently not particularly efficient. +- Window: Fixed a bug with child window inheriting ItemFlags from their parent when the child + window also manipulate the ItemFlags stack. (#3024) [@Stanbroek] +- Font: Fixed non-ASCII space occasionally creating unnecessary empty polygons. +- Misc: Added additional checks in EndFrame() to verify that io.KeyXXX values have not been + tampered with between NewFrame() and EndFrame(). +- Misc, Freetype: Fixed support for IMGUI_STB_RECT_PACK_FILENAME compile time directive + in imgui_freetype.cpp (matching support in the regular code path). (#3062) [@DonKult] +- Demo: Added black and white and color gradients to Demo>Examples>Custom Rendering. +- CI: Added more tests on the continuous-integration server: extra warnings for Clang/GCC, building + SDL+Metal example, building imgui_freetype.cpp, more compile-time imconfig.h settings: disabling + obsolete functions, enabling 32-bit ImDrawIdx, enabling 32-bit ImWchar, disabling demo. [@rokups] +- Backends: Win32: Added ImGui_ImplWin32_EnableDpiAwareness(), ImGui_ImplWin32_GetDpiScaleForHwnd(), + ImGui_ImplWin32_GetDpiScaleForMonitor() helpers functions (backported from the docking branch). + Those functions makes it easier for example apps to support hi-dpi features without setting up + a manifest. +- Backends: Win32: Calling AddInputCharacterUTF16() from WM_CHAR message handler in order to support + high-plane surrogate pairs. (#2815) [@cloudwu, @samhocevar] +- Backends: SDL: Added ImGui_ImplSDL2_InitForMetal() for API consistency (even though the function + currently does nothing). +- Backends: SDL: Fixed mapping for ImGuiKey_KeyPadEnter. (#3031) [@Davido71] +- Examples: SDL+DX11: Fixed resizing main window. (#3057) [@joeslay] +- Examples: Added SDL+Metal example application. (#3017) [@coding-jackalope] + + +----------------------------------------------------------------------- + VERSION 1.75 (Released 2020-02-10) +----------------------------------------------------------------------- + +Decorated log: https://github.com/ocornut/imgui/releases/tag/v1.75 + +Breaking Changes: + +- Removed redirecting functions/enums names that were marked obsolete in 1.53 (December 2017): + - ShowTestWindow() -> use ShowDemoWindow() + - IsRootWindowFocused() -> use IsWindowFocused(ImGuiFocusedFlags_RootWindow) + - IsRootWindowOrAnyChildFocused() -> use IsWindowFocused(ImGuiFocusedFlags_RootAndChildWindows) + - SetNextWindowContentWidth(w) -> use SetNextWindowContentSize(ImVec2(w, 0.0f) + - GetItemsLineHeightWithSpacing() -> use GetFrameHeightWithSpacing() + - ImGuiCol_ChildWindowBg -> use ImGuiCol_ChildBg + - ImGuiStyleVar_ChildWindowRounding -> use ImGuiStyleVar_ChildRounding + - ImGuiTreeNodeFlags_AllowOverlapMode -> use ImGuiTreeNodeFlags_AllowItemOverlap + - IMGUI_DISABLE_TEST_WINDOWS -> use IMGUI_DISABLE_DEMO_WINDOWS + If you were still using the old names, while you are cleaning up, considering enabling + IMGUI_DISABLE_OBSOLETE_FUNCTIONS in imconfig.h even temporarily to have a pass at finding + and removing up old API calls, if any remaining. +- Removed implicit default parameter to IsMouseDragging(int button = 0) to be consistent + with other mouse functions (none of the other functions have it). +- Obsoleted calling ImDrawList::PrimReserve() with a negative count (which was vaguely + documented and rarely if ever used). Instead we added an explicit PrimUnreserve() API + which can be implemented faster. Also clarified pre-existing constraints which weren't + documented (can only unreserve from the last reserve call). If you suspect you ever + used that feature before (very unlikely, but grep for call to PrimReserve in your code), + you can #define IMGUI_DEBUG_PARANOID in imconfig.h to catch existing calls. [@ShironekoBen] +- ImDrawList::AddCircle()/AddCircleFilled() functions don't accept negative radius. +- Limiting Columns()/BeginColumns() api to 64 columns with an assert. While the current code + technically supports it, future code may not so we're putting the restriction ahead. +- imgui_internal.h: changed ImRect() default constructor initializes all fields to 0.0f instead + of (FLT_MAX,FLT_MAX,-FLT_MAX,-FLT_MAX). If you used ImRect::Add() to create bounding boxes by + adding points into it without explicit initialization, you may need to fix your initial value. + +Other Changes: + +- Inputs: Added ImGuiMouseButton enum for convenience (e.g. ImGuiMouseButton_Right=1). + We forever guarantee that the existing value will not changes so existing code is free to use 0/1/2. +- Nav: Fixed a bug where the initial CTRL-Tab press while in a child window sometimes selected + the current root window instead of always selecting the previous root window. (#787) +- ColorEdit: Fix label alignment when using ImGuiColorEditFlags_NoInputs. (#2955) [@rokups] +- ColorEdit: In HSV display of a RGB stored value, attempt to locally preserve Saturation + when Value==0.0 (similar to changes done in 1.73 for Hue). Removed Hue editing lock since + those improvements in 1.73 makes them unnecessary. (#2722, #2770). [@rokups] +- ColorEdit: "Copy As" context-menu tool shows hex values with a '#' prefix instead of '0x'. +- ColorEdit: "Copy As" content-menu tool shows hex values both with/without alpha when available. +- InputText: Fix corruption or crash when executing undo after clearing input with ESC, as a + byproduct we are allowing to later undo the revert with a CTRL+Z. (#3008). +- InputText: Fix using a combination of _CallbackResize (e.g. for std::string binding), along with the + _EnterReturnsTrue flag along with the rarely used property of using an InputText without persisting + user-side storage. Previously if you had e.g. a local unsaved std::string and reading result back + from the widget, the user string object wouldn't be resized when Enter key was pressed. (#3009) +- MenuBar: Fix minor clipping issue where occasionally a menu text can overlap the right-most border. +- Window: Fix SetNextWindowBgAlpha(1.0f) failing to override alpha component. (#3007) [@Albog] +- Window: When testing for the presence of the ImGuiWindowFlags_NoBringToFrontOnFocus flag we + test both the focused/clicked window (which could be a child window) and the root window. +- ImDrawList: AddCircle(), AddCircleFilled() API can now auto-tessellate when provided a segment + count of zero. Alter tessellation quality with 'style.CircleSegmentMaxError'. [@ShironekoBen] +- ImDrawList: Add AddNgon(), AddNgonFilled() API with a guarantee on the explicit segment count. + In the current branch they are essentially the same as AddCircle(), AddCircleFilled() but as + we will rework the circle rendering functions to use textures and automatic segment count + selection, those new api can fill a gap. [@ShironekoBen] +- Columns: ImDrawList::Channels* functions now work inside columns. Added extra comments to + suggest using user-owned ImDrawListSplitter instead of ImDrawList functions. [@rokups] +- Misc: Added ImGuiMouseCursor_NotAllowed enum so it can be used by more shared widgets. [@rokups] +- Misc: Added IMGUI_DISABLE compile-time definition to make all headers and sources empty. +- Misc: Disable format checks when using stb_printf, to allow using extra formats. + Made IMGUI_USE_STB_SPRINTF a properly documented imconfig.h flag. (#2954) [@loicmolinari] +- Misc: Added misc/single_file/imgui_single_file.h, We use this to validate compiling all *.cpp + files in a same compilation unit. Actual users of that technique (also called "Unity builds") + can generally provide this themselves, so we don't really recommend you use this. [@rokups] +- CI: Added PVS-Studio static analysis on the continuous-integration server. [@rokups] +- Backends: GLFW, SDL, Win32, OSX, Allegro: Added support for ImGuiMouseCursor_NotAllowed. [@rokups] +- Backends: GLFW: Added support for the missing mouse cursors newly added in GLFW 3.4+. [@rokups] +- Backends: SDL: Wayland: use SDL_GetMouseState (because there is no global mouse state available + on Wayland). (#2800, #2802) [@NeroBurner] +- Backends: GLFW, SDL: report Windows key (io.KeySuper) as always released. Neither GLFW nor SDL can + correctly report the key release in every cases (e.g. when using Win+V) causing problems with some + widgets. The next release of GLFW (3.4+) will have a fix for it. However since it is both difficult + and discouraged to make use of this key for Windows application anyway, we just hide it. (#2976) +- Backends: Win32: Added support for #define IMGUI_IMPL_WIN32_DISABLE_GAMEPAD to disable all + XInput using code, and IMGUI_IMPL_WIN32_DISABLE_LINKING_XINPUT to disable linking with XInput, + the later may be problematic if compiling with recent Windows SDK and you want your app to run + on Windows 7. You can instead try linking with Xinput9_1_0.lib instead. (#2716) +- Backends: Glut: Improved FreeGLUT support for MinGW. (#3004) [@podsvirov] +- Backends: Emscripten: Avoid forcefully setting IMGUI_DISABLE_FILE_FUNCTIONS. (#3005) [@podsvirov] +- Examples: OpenGL: Explicitly adding -DIMGUI_IMPL_OPENGL_LOADER_GL3W to Makefile to match linking + settings (otherwise if another loader such as Glew is accessible, the OpenGL3 backend might + automatically use it). (#2919, #2798) +- Examples: OpenGL: Added support for glbindings OpenGL loader. (#2870) [@rokups] +- Examples: Emscripten: Demonstrating embedding fonts in Makefile and code. (#2953) [@Oipo] +- Examples: Metal: Wrapped main loop in @autoreleasepool block to ensure allocations get freed + even if underlying system event loop gets paused due to app nap. (#2910, #2917) [@bear24rw] + + +----------------------------------------------------------------------- + VERSION 1.74 (Released 2019-11-25) +----------------------------------------------------------------------- + +Decorated log: https://github.com/ocornut/imgui/releases/tag/v1.74 + +Breaking Changes: + +- Removed redirecting functions/enums names that were marked obsolete in 1.52 (October 2017): + - Begin() [old 5 args version] -> use Begin() [3 args], use SetNextWindowSize() SetNextWindowBgAlpha() if needed + - IsRootWindowOrAnyChildHovered() -> use IsWindowHovered(ImGuiHoveredFlags_RootAndChildWindows) + - AlignFirstTextHeightToWidgets() -> use AlignTextToFramePadding() + - SetNextWindowPosCenter() -> use SetNextWindowPos() with a pivot of (0.5f, 0.5f) + - ImFont::Glyph -> use ImFontGlyph + If you were still using the old names, read "API Breaking Changes" section of imgui.cpp to find out + the new names or equivalent features, or see how they were implemented until 1.73. +- Inputs: Fixed a miscalculation in the keyboard/mouse "typematic" repeat delay/rate calculation, used + by keys and e.g. repeating mouse buttons as well as the GetKeyPressedAmount() function. + If you were using a non-default value for io.KeyRepeatRate (previous default was 0.250), you can + add +io.KeyRepeatDelay to it to compensate for the fix. + The function was triggering on: 0.0 and (delay+rate*N) where (N>=1). Fixed formula responds to (N>=0). + Effectively it made io.KeyRepeatRate behave like it was set to (io.KeyRepeatRate + io.KeyRepeatDelay). + Fixed the code and altered default io.KeyRepeatRate,Delay from 0.250,0.050 to 0.300,0.050 to compensate. + If you never altered io.KeyRepeatRate nor used GetKeyPressedAmount() this won't affect you. +- Misc: Renamed IMGUI_DISABLE_FORMAT_STRING_FUNCTIONS to IMGUI_DISABLE_DEFAULT_FORMAT_FUNCTIONS. (#1038) +- Misc: Renamed IMGUI_DISABLE_MATH_FUNCTIONS to IMGUI_DISABLE_DEFAULT_MATH_FUNCTIONS. +- Fonts: ImFontAtlas::AddCustomRectRegular() now requires an ID larger than 0x110000 (instead of 0x10000) to + conform with supporting Unicode planes 1-16 in a future update. ID below 0x110000 will now assert. +- Backends: DX12: Added extra ID3D12DescriptorHeap parameter to ImGui_ImplDX12_Init() function. + The value is unused in master branch but will be used by the multi-viewport feature. (#2851) [@obfuscate] + +Other Changes: + +- InputText, Nav: Fixed Home/End key broken when activating Keyboard Navigation. (#787) +- InputText: Filter out ASCII 127 (DEL) emitted by low-level OSX layer, as we are using the Key value. (#2578) +- Layout: Fixed a couple of subtle bounding box vertical positioning issues relating to the handling of text + baseline alignment. The issue would generally manifest when laying out multiple items on a same line, + with varying heights and text baseline offsets. + Some specific examples, e.g. a button with regular frame padding followed by another item with a + multi-line label and no frame padding, such as: multi-line text, small button, tree node item, etc. + The second item was correctly offset to match text baseline, and would interact/display correctly, + but it wouldn't push the contents area boundary low enough. +- Scrollbar: Fixed an issue where scrollbars wouldn't display on the frame following a frame where + all child window contents would be culled. +- ColorPicker: Fixed SV triangle gradient to block (broken in 1.73). (#2864, #2711). [@lewa-j] +- TreeNode: Fixed combination of ImGuiTreeNodeFlags_SpanFullWidth and ImGuiTreeNodeFlags_OpenOnArrow + incorrectly locating the arrow hit position to the left of the frame. (#2451, #2438, #1897) +- TreeNode: The collapsing arrow accepts click even if modifier keys are being held, facilitating + interactions with custom multi-selections patterns. (#2886, #1896, #1861) +- TreeNode: Added IsItemToggledOpen() to explicitly query if item was just open/closed, facilitating + interactions with custom multi-selections patterns. (#1896, #1861) +- DragScalar, SliderScalar, InputScalar: Added p_ prefix to parameter that are pointers to the data + to clarify how they are used, and more comments redirecting to the demo code. (#2844) +- Error handling: Assert if user mistakenly calls End() instead of EndChild() on a child window. (#1651) +- Misc: Optimized storage of window settings data (reducing allocation count). +- Misc: Windows: Do not use _wfopen() if IMGUI_DISABLE_WIN32_FUNCTIONS is defined. (#2815) +- Misc: Windows: Disabled win32 function by default when building with UWP. (#2892, #2895) +- Misc: Using static_assert() when using C++11, instead of our own construct (avoid zealous Clang warnings). +- Misc: Added IMGUI_DISABLE_FILE_FUNCTIONS/IMGUI_DISABLE_DEFAULT_FILE_FUNCTION to nullify or disable + default implementation of ImFileXXX functions linking with fopen/fclose/fread/fwrite. (#2734) +- Docs: Improved and moved FAQ to docs/FAQ.md so it can be readable on the web. [@ButternCream, @ocornut] +- Docs: Moved misc/fonts/README.txt to docs/FONTS.txt. +- Docs: Added permanent redirect from https://www.dearimgui.org/faq to FAQ page. +- Demo: Added simple item reordering demo in Widgets -> Drag and Drop section. (#2823, #143) [@rokups] +- Metrics: Show wire-frame mesh and approximate surface area when hovering ImDrawCmd. [@ShironekoBen] +- Metrics: Expose basic details of each window key/value state storage. +- Examples: DX12: Using IDXGIDebug1::ReportLiveObjects() when DX12_ENABLE_DEBUG_LAYER is enabled. +- Examples: Emscripten: Removed BINARYEN_TRAP_MODE=clamp from Makefile which was removed in Emscripten 1.39.0 + but required prior to 1.39.0, making life easier for absolutely no-one. (#2877, #2878) [@podsvirov] +- Backends: OpenGL2: Explicitly backup, setup and restore GL_TEXTURE_ENV to increase compatibility with + legacy OpenGL applications. (#3000) +- Backends: OpenGL3: Fix building with pre-3.2 GL loaders which do not expose glDrawElementsBaseVertex(), + using runtime GL version to decide if we set ImGuiBackendFlags_RendererHasVtxOffset. (#2866, #2852) [@dpilawa] +- Backends: OSX: Fix using Backspace key. (#2578, #2817, #2818) [@DiligentGraphics] +- Backends: GLFW: Previously installed user callbacks are now restored on shutdown. (#2836) [@malte-v] +- CI: Set up a bunch of continuous-integration tests using GitHub Actions. We now compile many of the example + applications on Windows, Linux, MacOS, iOS, Emscripten. Removed Travis integration. (#2865) [@rokups] + + +----------------------------------------------------------------------- + VERSION 1.73 (Released 2019-09-24) +----------------------------------------------------------------------- + +Decorated log: https://github.com/ocornut/imgui/releases/tag/v1.73 + +Other Changes: + +- Nav, Scrolling: Added support for Home/End key. (#787) +- ColorEdit: Disable Hue edit when Saturation==0 instead of letting Hue values jump around. +- ColorEdit, ColorPicker: In HSV display of a RGB stored value, attempt to locally preserve Hue + when Saturation==0, which reduces accidentally lossy interactions. (#2722, #2770) [@rokups] +- ColorPicker: Made rendering aware of global style alpha of the picker can be faded out. (#2711) + Note that some elements won't accurately fade down with the same intensity, and the color wheel + when enabled will have small overlap glitches with (style.Alpha < 1.0). +- TabBar: Fixed single-tab not shrinking their width down. +- TabBar: Fixed clicking on a tab larger than tab-bar width creating a bouncing feedback loop. +- TabBar: Feed desired width (sum of unclipped tabs width) into layout system to allow for auto-resize. (#2768) + (before 1.71 tab bars fed the sum of current width which created feedback loops in certain situations). +- TabBar: Improved shrinking for large number of tabs to avoid leaving extraneous space on the right side. + Individuals tabs are given integer-rounded width and remainder is spread between tabs left-to-right. +- Columns, Separator: Fixed a bug where non-visible separators within columns would alter the next row position + differently than visible ones. +- SliderScalar: Improved assert when using U32 or U64 types with a large v_max value. (#2765) [@loicmouton] +- DragInt, DragFloat, DragScalar: Using (v_min > v_max) allows locking any edits to the value. +- DragScalar: Fixed dragging of unsigned values on ARM cpu (float to uint cast is undefined). (#2780) [@dBagrat] +- TreeNode: Added ImGuiTreeNodeFlags_SpanAvailWidth flag. (#2451, #2438, #1897) [@Melix19, @PathogenDavid] + This extends the hit-box to the right-most edge, even if the node is not framed. + (Note: this is not the default in order to allow adding other items on the same line. In the future we will + aim toward refactoring the hit-system to be front-to-back, allowing more natural overlapping of items, + and then we will be able to make this the default.) +- TreeNode: Added ImGuiTreeNodeFlags_SpanFullWidth flag. This extends the hit-box to both the left-most and + right-most edge of the working area, bypassing indentation. +- CollapsingHeader: Added support for ImGuiTreeNodeFlags_Bullet and ImGuiTreeNodeFlags_Leaf on framed nodes, + mostly for consistency. (#2159, #2160) [@goran-w] +- Selectable: Added ImGuiSelectableFlags_AllowItemOverlap flag in public api (was previously internal only). +- Style: Allow style.WindowMenuButtonPosition to be set to ImGuiDir_None to hide the collapse button. (#2634, #2639) +- Font: Better ellipsis ("...") drawing implementation. Instead of drawing three pixel-ey dots (which was glaringly + unfitting with many types of fonts) we first attempt to find a standard ellipsis glyphs within the loaded set. + Otherwise we render ellipsis using '.' from the font from where we trim excessive spacing to make it as narrow + as possible. (#2775) [@rokups] +- ImDrawList: Clarified the name of many parameters so reading the code is a little easier. (#2740) +- ImDrawListSplitter: Fixed merging channels if the last submitted draw command used a different texture. (#2506) +- Using offsetof() when available in C++11. Avoids Clang sanitizer complaining about old-style macros. (#94) +- ImVector: Added find(), find_erase(), find_erase_unsorted() helpers. +- Added a mechanism to compact/free the larger allocations of unused windows (buffers are compacted when + a window is unused for 60 seconds, as per io.ConfigWindowsMemoryCompactTimer = 60.0f). Note that memory + usage has never been reported as a problem, so this is merely a touch of overzealous luxury. (#2636) +- Documentation: Various tweaks and improvements to the README page. [@ker0chan] +- Backends: OpenGL3: Tweaked initialization code allow application calling ImGui_ImplOpenGL3_CreateFontsTexture() + before ImGui_ImplOpenGL3_NewFrame(), which sometimes can be convenient. +- Backends: OpenGL3: Attempt to automatically detect default GL loader by using __has_include. (#2798) [@o-micron] +- Backends: DX11: Fixed GSGetShader() call not passing an initialized instance count, which would + generally make the DX11 debug layer complain (bug added in 1.72). +- Backends: Vulkan: Added support for specifying multisample count. Set 'ImGui_ImplVulkan_InitInfo::MSAASamples' to + one of the VkSampleCountFlagBits values to use, default is non-multisampled as before. (#2705, #2706) [@vilya] +- Examples: OSX: Fix example_apple_opengl2/main.mm not forwarding mouse clicks and drags correctly. (#1961, #2710) + [@intonarumori, @ElectricMagic] +- Misc: Updated stb_rect_pack.h from 0.99 to 1.00 (fixes by @rygorous: off-by-1 bug in best-fit heuristic, + fix handling of rectangles too large to fit inside texture). (#2762) [@tido64] + + +----------------------------------------------------------------------- + VERSION 1.72b (Released 2019-07-31) +----------------------------------------------------------------------- + +Decorated log: https://github.com/ocornut/imgui/releases/tag/v1.72b + +Other Changes: + +- Nav, Scrolling: Fixed programmatic scroll leading to a slightly incorrect scroll offset when + the window has decorations or a menu-bar (broken in 1.71). This was mostly noticeable when + a keyboard/gamepad movement led to scrolling the view, or using e.g. SetScrollHereY() function. +- Nav: Made hovering non-MenuItem Selectable not re-assign the source item for keyboard navigation. +- Nav: Fixed an issue with NavFlattened window flag (beta) where widgets not entirely fitting + in child window (often selectables because of their protruding sides) would be not considered + as entry points to to navigate toward the child window. (#787) + + +----------------------------------------------------------------------- + VERSION 1.72 (Released 2019-07-27) +----------------------------------------------------------------------- + +Decorated log: https://github.com/ocornut/imgui/releases/tag/v1.72 + +Breaking Changes: + +- Removed redirecting functions/enums names that were marked obsolete in 1.51 (June 2017): + - ImGuiCol_Column*, ImGuiSetCond_* enums. + - IsItemHoveredRect(), IsPosHoveringAnyWindow(), IsMouseHoveringAnyWindow(), IsMouseHoveringWindow() functions. + - IMGUI_ONCE_UPON_A_FRAME macro. + If you were still using the old names, read "API Breaking Changes" section of imgui.cpp to find out + the new names or equivalent features. +- Renamed ImFontAtlas::CustomRect to ImFontAtlasCustomRect. Kept redirection typedef (will obsolete). +- Removed TreeAdvanceToLabelPos() which is rarely used and only does SetCursorPosX(GetCursorPosX() + GetTreeNodeToLabelSpacing()). + Kept redirection function (will obsolete). (#581, #324) + +Other Changes: + +- Scrolling: Made mouse-wheel scrolling lock the underlying window until the mouse is moved again or + until a short delay expires (~2 seconds). This allow uninterrupted scroll even if child windows are + passing under the mouse cursor. (#2604) +- Scrolling: Made it possible for mouse wheel and navigation-triggered scrolling to override a call to + SetScrollX()/SetScrollY(), making it possible to use a simpler stateless pattern for auto-scrolling: + // (Submit items..) + if (ImGui::GetScrollY() >= ImGui::GetScrollMaxY()) // If scrolling at the already at the bottom.. + ImGui::SetScrollHereY(1.0f); // ..make last item fully visible +- Scrolling: Added SetScrollHereX(), SetScrollFromPosX() for completeness. (#1580) [@kevreco] +- Scrolling: Mouse wheel scrolling while hovering a child window is automatically forwarded to parent window + if ScrollMax is zero on the scrolling axis. + Also still the case if ImGuiWindowFlags_NoScrollWithMouse is set (not new), but previously the forwarding + would be disabled if ImGuiWindowFlags_NoScrollbar was set on the child window, which is not the case + any more. Forwarding can still be disabled by setting ImGuiWindowFlags_NoInputs. (amend #1502, #1380). +- Window: Fixed InnerClipRect right-most coordinates using wrong padding setting (introduced in 1.71). +- Window: Fixed old SetWindowFontScale() api value from not being inherited by child window. Added + comments about the right way to scale your UI (load a font at the right side, rebuild atlas, scale style). +- Scrollbar: Avoid overlapping the opposite side when window (often a child window) is forcibly too small. +- Combo: Hide arrow when there's not enough space even for the square button. +- InputText: Testing for newly added ImGuiKey_KeyPadEnter key. (#2677, #2005) [@amc522] +- TabBar: Fixed unfocused tab bar separator color (was using ImGuiCol_Tab, should use ImGuiCol_TabUnfocusedActive). +- Columns: Fixed a regression from 1.71 where the right-side of the contents rectangle within each column + would wrongly use a WindowPadding.x instead of ItemSpacing.x like it always did. (#125, #2666) +- Columns: Made the right-most edge reaches up to the clipping rectangle (removing half of WindowPadding.x + worth of asymmetrical/extraneous padding, note that there's another half that conservatively has to offset + the right-most column, otherwise it's clipping width won't match the other columns). (#125, #2666) +- Columns: Improved honoring alignment with various values of ItemSpacing.x and WindowPadding.x. (#125, #2666) +- Columns: Made GetColumnOffset() and GetColumnWidth() behave when there's no column set, consistently with + other column functions. (#2683) +- InputTextMultiline: Fixed vertical scrolling tracking glitch. +- Word-wrapping: Fixed overzealous word-wrapping when glyph edge lands exactly on the limit. Because + of this, auto-fitting exactly unwrapped text would make it wrap. (fixes initial 1.15 commit, 78645a7d). +- Style: Attenuated default opacity of ImGuiCol_Separator in Classic and Light styles. +- Style: Added style.ColorButtonPosition (left/right, defaults to ImGuiDir_Right) to move the color button + of ColorEdit3/ColorEdit4 functions to either side of the inputs. +- IO: Added ImGuiKey_KeyPadEnter and support in various back-ends (previously back-ends would need to + specifically redirect key-pad keys to their regular counterpart). This is a temporary attenuating measure + until we actually refactor and add whole sets of keys into the ImGuiKey enum. (#2677, #2005) [@amc522] +- Misc: Made Button(), ColorButton() not trigger an "edited" event leading to IsItemDeactivatedAfterEdit() + returning true. This also effectively make ColorEdit4() not incorrect trigger IsItemDeactivatedAfterEdit() + when clicking the color button to open the picker popup. (#1875) +- Misc: Added IMGUI_DISABLE_METRICS_WINDOW imconfig.h setting to explicitly compile out ShowMetricsWindow(). +- Debug, Metrics: Added "Tools->Item Picker" tool which allow clicking on a widget to break in the debugger + within the item code. The tool calls IM_DEBUG_BREAK() which can be redefined in imconfig.h if needed. +- ImDrawList: Fixed CloneOutput() helper crashing. (#1860) [@gviot] +- ImDrawList::ChannelsSplit(), ImDrawListSplitter: Fixed an issue with merging draw commands between + channel 0 and 1. (#2624) +- ImDrawListSplitter: Fixed memory leak when using low-level split api (was not affecting ImDrawList api, + also this type was added in 1.71 and not advertised as a public-facing feature). +- Fonts: binary_to_compressed_c.cpp: Display an error message if failing to open/read the input font file. +- Demo: Log, Console: Using a simpler stateless pattern for auto-scrolling. +- Demo: Widgets: Showing how to use the format parameter of Slider/Drag functions to display the name + of an enum value instead of the underlying integer value. +- Demo: Renamed the "Help" menu to "Tools" (more accurate). +- Backends: DX10/DX11: Backup, clear and restore Geometry Shader is any is bound when calling renderer. +- Backends: DX11: Clear Hull Shader, Domain Shader, Compute Shader before rendering. Not backing/restoring them. +- Backends: OSX: Disabled default native Mac clipboard copy/paste implementation in core library (added in 1.71), + because it needs application to be linked with '-framework ApplicationServices'. It can be explicitly + enabled back by using '#define IMGUI_ENABLE_OSX_DEFAULT_CLIPBOARD_FUNCTIONS' in imconfig.h. Re-added + equivalent using NSPasteboard api in the imgui_impl_osx.mm experimental back-end. (#2546) +- Backends: SDL2: Added dummy ImGui_ImplSDL2_InitForD3D() function to make D3D support more visible. + (#2482, #2632) [@josiahmanson] +- Examples: Added SDL2+DirectX11 example application. (#2632, #2612, #2482) [@vincenthamm] + + +----------------------------------------------------------------------- + VERSION 1.71 (Released 2019-06-12) +----------------------------------------------------------------------- + +Decorated log: https://github.com/ocornut/imgui/releases/tag/v1.71 + +Breaking Changes: + +- IO: changed AddInputCharacter(unsigned short c) signature to AddInputCharacter(unsigned int c). +- Renamed SetNextTreeNodeOpen() to SetNextItemOpen(). Kept inline redirection function (will obsolete). +- Window: rendering of child windows outer decorations (e.g. bg color, border, scrollbars) is now + performed as part of their parent window, avoiding the creation of an extraneous draw commands. + If you have overlapping child windows with decorations, and relied on their relative z-order to be + mapped to submission their order, this will affect your rendering. The optimization is disabled + if the parent window has no visual output because it appears to be the most common situation leading + to the creation of overlapping child windows. Please reach out if you are affected by this change! + +Other Changes: + +- Window: clarified behavior of SetNextWindowContentSize(). Content size is defined as the size available + after removal of WindowPadding on each sides. So SetNextWindowContentSize(ImVec2(100,100)) + auto-resize + will always allow submitting a 100x100 item without creating a scrollbar, regarding of WindowPadding. + The exact meaning of ContentSize for decorated windows was previously ill-defined. +- Window: Fixed auto-resize with AlwaysVerticalScrollbar or AlwaysHorizontalScrollbar flags. +- Window: Fixed one case where auto-resize by double-clicking the resize grip would make either scrollbar + appear for a single frame after the resize. +- Separator: Revert 1.70 "Declare its thickness (1.0f) to the layout" change. It's not incorrect + but it breaks existing some layout patterns. Will return back to it when we expose Separator flags. +- Fixed InputScalar, InputScalarN, SliderScalarN, DragScalarN with non-visible label from inserting + style.ItemInnerSpacing.x worth of trailing spacing. +- Fixed InputFloatX, SliderFloatX, DragFloatX functions erroneously reporting IsItemEdited() multiple + times when the text input doesn't match the formatted output value (e.g. input "1" shows "1.000"). + It wasn't much of a problem because we typically use the return value instead of IsItemEdited() here. +- Fixed uses of IsItemDeactivated(), IsItemDeactivatedAfterEdit() on multi-components widgets and + after EndGroup(). (#2550, #1875) +- Fixed crash when appending with BeginMainMenuBar() more than once and no other window are showing. (#2567) +- ColorEdit: Fixed the color picker popup only displaying inputs as HSV instead of showing multiple + options. (#2587, broken in 1.69 by #2384). +- CollapsingHeader: Better clipping when a close button is enabled and it overlaps the label. (#600) +- Scrollbar: Minor bounding box adjustment to cope with various border size. +- Scrollbar, Style: Changed default style.ScrollbarSize from 16 to 14. +- Combo: Fixed rounding not applying with the ImGuiComboFlags_NoArrowButton flag. (#2607) [@DucaRii] +- Nav: Fixed gamepad/keyboard moving of window affecting contents size incorrectly, sometimes leading + to scrollbars appearing during the movement. +- Nav: Fixed rare crash when e.g. releasing Alt-key while focusing a window with a menu at the same + frame as clearing the focus. This was in most noticeable in back-ends such as Glfw and SDL which + emits key release events when focusing another viewport, leading to Alt+clicking on void on another + viewport triggering the issue. (#2609) +- TreeNode, CollapsingHeader: Fixed highlight frame not covering horizontal area fully when using + horizontal scrolling. (#2211, #2579) +- TabBar: Fixed BeginTabBar() within a window with horizontal scrolling from creating a feedback + loop with the horizontal contents size. +- Columns: Fixed Columns() within a window with horizontal scrolling from not covering the full + horizontal area (previously only worked with an explicit contents size). (#125) +- Columns: Fixed Separator from creating an extraneous draw command. (#125) +- Columns: Fixed Selectable with SpanAllColumns flag from creating an extraneous draw command. (#125) +- Style: Added style.WindowMenuButtonPosition (left/right, defaults to ImGuiDir_Left) to move the + collapsing/docking button to the other side of the title bar. +- Style: Made window close button cross slightly smaller. +- Log/Capture: Fixed BeginTabItem() label not being included in a text log/capture. +- ImDrawList: Added ImDrawCmd::VtxOffset value to support large meshes (64k+ vertices) using 16-bit indices. + The renderer back-end needs to set 'io.BackendFlags |= ImGuiBackendFlags_RendererHasVtxOffset' to enable + this, and honor the ImDrawCmd::VtxOffset field. Otherwise the value will always be zero. + This has the advantage of preserving smaller index buffers and allowing to execute on hardware that do not + support 32-bit indices. Most examples back-ends have been modified to support the VtxOffset field. +- ImDrawList: Added ImDrawCmd::IdxOffset value, equivalent to summing element count for each draw command. + This is provided for convenience and consistency with VtxOffset. +- ImDrawCallback: Allow to override the signature of ImDrawCallback by #define-ing it. This is meant to + facilitate custom rendering back-ends passing local render-specific data to the draw callback. +- ImFontAtlas: FreeType: Added RasterizerFlags::Monochrome flag to disable font anti-aliasing. Combine + with RasterizerFlags::MonoHinting for best results. (#2545) [@HolyBlackCat] +- ImFontGlyphRangesBuilder: Fixed unnecessarily over-sized buffer, which incidentally was also not + fully cleared. Fixed edge-case overflow when adding character 0xFFFF. (#2568). [@NIKE3500] +- Demo: Added full "Dear ImGui" prefix to the title of "Dear ImGui Demo" and "Dear ImGui Metrics" windows. +- Backends: Add native Mac clipboard copy/paste default implementation in core library to match what we are + dealing with Win32, and to facilitate integration in custom engines. (#2546) [@andrewwillmott] +- Backends: OSX: imgui_impl_osx: Added mouse cursor support. (#2585, #1873) [@actboy168] +- Examples/Backends: DirectX9/10/11/12, Metal, Vulkan, OpenGL3 (Desktop GL only): Added support for large meshes + (64k+ vertices) with 16-bit indices, enable 'ImGuiBackendFlags_RendererHasVtxOffset' in those back-ends. +- Examples/Backends: Don't filter characters under 0x10000 before calling io.AddInputCharacter(), + the filtering is done in io.AddInputCharacter() itself. This is in prevision for fuller Unicode + support. (#2538, #2541) + + +----------------------------------------------------------------------- + VERSION 1.70 (Released 2019-05-06) +----------------------------------------------------------------------- + +Decorated log: https://github.com/ocornut/imgui/releases/tag/v1.70 + +Breaking Changes: + +- ImDrawList: Improved algorithm for mitre joints on thick lines, preserving correct thickness + up to 90 degrees angles (e.g. rectangles). If you have custom rendering using thick lines, + they will appear a little thicker now. (#2518) [@rmitton] +- Obsoleted GetContentRegionAvailWidth(), use GetContentRegionAvail().x instead. + Kept inline redirection function. +- Examples: Vulkan: Added MinImageCount/ImageCount fields in ImGui_ImplVulkan_InitInfo, required + during initialization to specify the number of in-flight image requested by swap chains. + (was previously a hard #define IMGUI_VK_QUEUED_FRAMES 2). (#2071, #1677) [@nathanvoglsam] +- Examples: Vulkan: Tidying up the demo/internals helpers (most engine/app should not rely + on them but it is possible you have!). + +Other Changes: + +- ImDrawList: Added ImDrawCallback_ResetRenderState, a special ImDrawList::AddCallback() value + to request the renderer back-end to reset its render state. (#2037, #1639, #2452) + Examples: Added support for ImDrawCallback_ResetRenderState in all renderer back-ends. Each + renderer code setting up initial render state has been moved to a function so it could be + called at the start of rendering and when a ResetRenderState is requested. [@ocornut, @bear24rw] +- InputText: Fixed selection background rendering one frame after the cursor movement when + first transitioning from no-selection to has-selection. (Bug in 1.69) (#2436) [@Nazg-Gul] +- InputText: Work-around for buggy standard libraries where isprint('\t') returns true. (#2467, #1336) +- InputText: Fixed ImGuiInputTextFlags_AllowTabInput leading to two tabs characters being inserted + if the back-end provided both Key and Character input. (#2467, #1336) +- Layout: Added SetNextItemWidth() helper to avoid using PushItemWidth/PopItemWidth() for single items. + Note that SetNextItemWidth() currently only affect the same subset of items as PushItemWidth(), + generally referred to as the large framed+labeled items. Because the new SetNextItemWidth() + function is explicit we may later extend its effect to more items. +- Layout: Fixed PushItemWidth(-width) for right-side alignment laying out some items (button, listbox, etc.) + with negative sizes if the 'width' argument was smaller than the available width at the time of item + submission. +- Window: Fixed window with the AlwaysAutoResize flag unnecessarily extending their hovering boundaries + by a few pixels (this is used to facilitate resizing from borders when available for a given window). + One of the noticeable minor side effect was that navigating menus would have had a tendency to disable + highlight from parent menu items earlier than necessary while approaching the child menu. +- Window: Close button is horizontally aligned with style.FramePadding.x. +- Window: Fixed contents region being off by WindowBorderSize amount on the right when scrollbar is active. +- Window: Fixed SetNextWindowSizeConstraints() with non-rounded positions making windows drift. (#2067, #2530) +- Popups: Closing a popup restores the focused/nav window in place at the time of the popup opening, + instead of restoring the window that was in the window stack at the time of the OpenPopup call. (#2517) + Among other things, this allows opening a popup while no window are focused, and pressing Escape to + clear the focus again. +- Popups: Fixed right-click from closing all popups instead of aiming at the hovered popup level + (regression in 1.67). +- Selectable: With ImGuiSelectableFlags_AllowDoubleClick doesn't return true on the mouse button release + following the double-click. Only first mouse release + second mouse down (double-click) returns true. + Likewise for internal ButtonBehavior() with both _PressedOnClickRelease | _PressedOnDoubleClick. (#2503) +- GetMouseDragDelta(): also returns the delta on the mouse button released frame. (#2419) +- GetMouseDragDelta(): verify that mouse positions are valid otherwise returns zero. +- Inputs: Also add support for horizontal scroll with Shift+Mouse Wheel. (#2424, #1463) [@LucaRood] +- PlotLines, PlotHistogram: Ignore NaN values when calculating min/max bounds. (#2485) +- Columns: Fixed boundary of clipping being off by 1 pixel within the left column. (#125) +- Separator: Declare its thickness (1.0f) to the layout, making items around separator more symmetrical. +- Combo, Slider, Scrollbar: Improve rendering in situation when there's only a few pixels available (<3 pixels). +- Nav: Fixed Drag/Slider functions going into text input mode when keyboard CTRL is held while pressing NavActivate. +- Drag and Drop: Fixed drag source with ImGuiDragDropFlags_SourceAllowNullID and null ID from receiving click + regardless of being covered by another window (it didn't honor correct hovering rules). (#2521) +- ImDrawList: Improved algorithm for mitre joints on thick lines, preserving correct thickness up to 90 degrees + angles, also faster to output. (#2518) [@rmitton] +- Misc: Added IM_MALLOC/IM_FREE macros mimicking IM_NEW/IM_DELETE so user doesn't need to revert + to using the ImGui::MemAlloc()/MemFree() calls directly. +- Misc: Made IMGUI_CHECKVERSION() macro also check for matching size of ImDrawIdx. +- Metrics: Added "Show windows rectangles" tool to visualize the different rectangles. +- Demo: Improved trees in columns demo. +- Examples: OpenGL: Added a dummy GL call + comments in ImGui_ImplOpenGL3_Init() to detect uninitialized + GL function loaders early, and help users understand what they are missing. (#2421) +- Examples: SDL: Added support for SDL_GameController gamepads (enable with ImGuiConfigFlags_NavEnableGamepad). (#2509) [@DJLink] +- Examples: Emscripten: Added Emscripten+SDL+GLES2 example. (#2494, #2492, #2351, #336) [@nicolasnoble, @redblobgames] +- Examples: Metal: Added Glfw+Metal example. (#2527) [@bear24rw] +- Examples: OpenGL3: Minor tweaks + not calling glBindBuffer more than necessary in the render loop. +- Examples: Vulkan: Fixed in-flight buffers issues when using multi-viewports. (#2461, #2348, #2378, #2097) +- Examples: Vulkan: Added missing support for 32-bit indices (#define ImDrawIdx unsigned int). +- Examples: Vulkan: Avoid passing negative coordinates to vkCmdSetScissor, which debug validation layers do not like. +- Examples: Vulkan: Added ImGui_ImplVulkan_SetMinImageCount() to change min image count at runtime. (#2071) [@nathanvoglsam] +- Examples: DirectX9: Fixed erroneous assert in ImGui_ImplDX9_InvalidateDeviceObjects(). (#2454) +- Examples: DirectX10/11/12, Allegro, Marmalade: Render functions early out when display size is zero (minimized). (#2496) +- Examples: GLUT: Fixed existing FreeGLUT example to work with regular GLUT. (#2465) [@andrewwillmott] +- Examples: GLUT: Renamed imgui_impl_freeglut.cpp/.h to imgui_impl_glut.cpp/.h. (#2465) [@andrewwillmott] +- Examples: GLUT: Made io.DeltaTime always > 0. (#2430) +- Examples: Visual Studio: Updated default platform toolset+sdk in vcproj files from v100+sdk7 (vs2010) + to v110+sdk8 (vs2012). This is mostly so we can remove reliance on DXSDK_DIR for the DX10/DX11 example, + which if existing and when switching to recent SDK ends up conflicting and creating warnings. + + +----------------------------------------------------------------------- + VERSION 1.69 (Released 2019-03-13) +----------------------------------------------------------------------- + +Decorated log: https://github.com/ocornut/imgui/releases/tag/v1.69 + +Breaking Changes: + +- Renamed ColorEdit/ColorPicker's ImGuiColorEditFlags_RGB/_HSV/_HEX flags to respectively + ImGuiColorEditFlags_DisplayRGB/_DisplayHSV/_DisplayHex. This is because the addition of + new flag ImGuiColorEditFlags_InputHSV makes the earlier one ambiguous. + Kept redirection enum values (will obsolete). (#2384) [@haldean] +- Renamed GetOverlayDrawList() to GetForegroundDrawList(). Kept redirection function (will obsolete). (#2391) + +Other Changes: + +- Added GetBackgroundDrawList() helper to quickly get access to a ImDrawList that will be rendered + behind every other windows. (#2391, #545) +- DragScalar, InputScalar, SliderScalar: Added support for u8/s8/u16/s16 data types (ImGuiDataType_S8, etc.) + We are reusing function instances of larger types to reduce code size. (#643, #320, #708, #1011) +- Added InputTextWithHint() to display a description/hint in the text box when no text + has been entered. (#2400) [@Organic-Code, @ocornut] +- Nav: Fixed a tap on AltGR (e.g. German keyboard) from navigating to the menu layer. +- Nav: Fixed Ctrl+Tab keeping active InputText() of a previous window active after the switch. (#2380) +- Fixed IsItemDeactivated()/IsItemDeactivatedAfterEdit() from not correctly returning true + when tabbing out of a focusable widget (Input/Slider/Drag) in most situations. (#2215, #1875) +- InputInt, InputFloat, InputScalar: Fix to keep the label of the +/- buttons centered when + style.FramePadding.x is abnormally larger than style.FramePadding.y. Since the buttons are + meant to be square (to align with e.g. color button) we always use FramePadding.y. (#2367) +- InputInt, InputScalar: +/- buttons now respects the natural type limits instead of + overflowing or underflowing the value. +- InputText: Fixed an edge case crash that would happen if another widget sharing the same ID + is being swapped with an InputText that has yet to be activated. +- InputText: Fixed various display corruption related to swapping the underlying buffer while + a input widget is active (both for writable and read-only paths). Often they would manifest + when manipulating the scrollbar of a multi-line input text. +- ColorEdit, ColorPicker, ColorButton: Added ImGuiColorEditFlags_InputHSV to manipulate color + values encoded as HSV (in order to avoid HSV<>RGB round trips and associated singularities). + (#2383, #2384) [@haldean] +- ColorPicker: Fixed a bug/assertion when displaying a color picker in a collapsed window + while dragging its title bar. (#2389) +- ColorEdit: Fixed tooltip not honoring the ImGuiColorEditFlags_NoAlpha contract of never + reading the 4th float in the array (value was read and discarded). (#2384) [@haldean] +- MenuItem, Selectable: Fixed disabled widget interfering with navigation (fix c2db7f63 in 1.67). +- TabBar: Fixed a crash when using many BeginTabBar() recursively (didn't affect docking). (#2371) +- TabBar: Added extra mis-usage error recovery. Past the assert, common mis-usage don't lead to + hard crashes any more, facilitating integration with scripting languages. (#1651) +- TabBar: Fixed ImGuiTabItemFlags_SetSelected being ignored if the tab is not visible (with + scrolling policy enabled) or if is currently appearing. +- TabBar: Fixed Tab tooltip code making drag and drop tooltip disappear during the frame where + the drag payload activate a tab. +- TabBar: Reworked scrolling policy (when ImGuiTabBarFlags_FittingPolicyScroll is set) to + teleport the view when aiming at a tab far away the visible section, and otherwise accelerate + the scrolling speed to cap the scrolling time to 0.3 seconds. +- Text: Fixed large Text/TextUnformatted calls not feeding their size into layout when starting + below the lower point of the current clipping rectangle. This bug has been there since v1.0! + It was hardly noticeable but would affect the scrolling range, which in turn would affect + some scrolling request functions when called during the appearing frame of a window. +- Plot: Fixed divide-by-zero in PlotLines() when passing a count of 1. (#2387) [@Lectem] +- Log/Capture: Fixed LogXXX functions emitting extraneous leading carriage return. +- Log/Capture: Fixed an issue when empty string on a new line would not emit a carriage return. +- Log/Capture: Fixed LogXXX functions 'auto_open_depth' parameter being treated as an absolute + tree depth instead of a relative one. +- Log/Capture: Fixed CollapsingHeader trailing ascii representation being "#" instead of "##". +- ImFont: Added GetGlyphRangesVietnamese() helper. (#2403) +- Misc: Asserting in NewFrame() if style.WindowMinSize is zero or smaller than (1.0f,1.0f). +- Demo: Using GetBackgroundDrawList() and GetForegroundDrawList() in "Custom Rendering" demo. +- Demo: InputText: Demonstrating use of ImGuiInputTextFlags_CallbackResize. (#2006, #1443, #1008). +- Examples: GLFW, SDL: Preserve DisplayFramebufferScale when main viewport is minimized. + (This is particularly useful for the viewport branch because we are not supporting per-viewport + frame-buffer scale. It fixes windows not refreshing when main viewport is minimized.) (#2416) +- Examples: OpenGL: Fix to be able to run on ES 2.0 / WebGL 1.0. [@rmitton, @gabrielcuvillier] +- Examples: OpenGL: Fix for OSX not supporting OpenGL 4.5, we don't try to read GL_CLIP_ORIGIN + even if the OpenGL headers/loader happens to define the value. (#2366, #2186) +- Examples: Allegro: Added support for touch events (emulating mouse). (#2219) [@dos1] +- Examples: DirectX9: Minor changes to match the other DirectX examples more closely. (#2394) + + +----------------------------------------------------------------------- + VERSION 1.68 (Released 2019-02-19) +----------------------------------------------------------------------- + +Decorated log: https://github.com/ocornut/imgui/releases/tag/v1.68 + +Breaking Changes: + +- Removed io.DisplayVisibleMin/DisplayVisibleMax (which were marked obsolete and removed from viewport/docking branch already). +- Made it illegal/assert when io.DisplayTime == 0.0f (with an exception for the first frame). + If for some reason your time step calculation gives you a zero value, replace it with a dummy small value! + +Other Changes: + +- Added .editorconfig file for text editors to standardize using spaces. (#2038) [@kudaba] +- ImDrawData: Added FramebufferScale field (currently a copy of the value from io.DisplayFramebufferScale). + This is to allow render functions being written without pulling any data from ImGuiIO, allowing incoming + multi-viewport feature to behave on Retina display and with multiple displays. + If you are not using a custom binding, please update your render function code ahead of time, + and use draw_data->FramebufferScale instead of io.DisplayFramebufferScale. (#2306, #1676) +- Added IsItemActivated() as an extension to the IsItemDeactivated/IsItemDeactivatedAfterEdit functions + which are useful to implement variety of undo patterns. (#820, #956, #1875) +- InputText: Fixed a bug where ESCAPE would not restore the initial value in all situations. (#2321) [@relick] +- InputText: Fixed a bug where ESCAPE would be first captured by the Keyboard Navigation code. (#2321, #787) +- InputText: Fixed redo buffer exhaustion handling (rare) which could corrupt the undo character buffer. (#2333) + The way the redo/undo buffers work would have made it generally unnoticeable to the user. +- Fixed range-version of PushID() and GetID() not honoring the ### operator to restart from the seed value. +- Fixed CloseCurrentPopup() on a child-menu of a modal incorrectly closing the modal. (#2308) +- Tabs: Added ImGuiTabBarFlags_TabListPopupButton flag to show a popup button on manual tab bars. (#261, #351) +- Tabs: Removed ImGuiTabBarFlags_NoTabListPopupButton which was available in 1.67 but actually had zero use. +- Tabs: Fixed a minor clipping glitch when changing style's FramePadding from frame to frame. +- Tabs: Fixed border (when enabled) so it is aligned correctly mid-pixel and appears as bright as other borders. +- Style, Selectable: Added ImGuiStyle::SelectableTextAlign and ImGuiStyleVar_SelectableTextAlign. (#2347) [@haldean] +- Menus: Tweaked horizontal overlap between parent and child menu (to help convey relative depth) + from using style.ItemSpacing.x to style.ItemInnerSpacing.x, the later being expected to be smaller. (#1086) +- RadioButton: Fixed label horizontal alignment to precisely match Checkbox(). +- Window: When resizing from an edge, the border is more visible and better follow the rounded corners. +- Window: Fixed initial width of collapsed windows not taking account of contents width (broken in 1.67). (#2336, #176) +- Scrollbar: Fade out and disable interaction when too small, in order to facilitate using the resize grab on very + small window, as well as reducing visual noise/overlap. +- ListBox: Better optimized when clipped / non-visible. +- InputTextMultiline: Better optimized when clipped / non-visible. +- Font: Fixed high-level ImGui::CalcTextSize() used by most widgets from erroneously subtracting 1.0f*scale to + calculated text width. Among noticeable side-effects, it would make sequences of repeated Text/SameLine calls + not align the same as a single call, and create mismatch between high-level size calculation and those performed + with the lower-level ImDrawList api. (#792) [@SlNPacifist] +- Font: Fixed building atlas when specifying duplicate/overlapping ranges within a same font. (#2353, #2233) +- ImDrawList: Fixed AddCircle(), AddCircleFilled() angle step being off, which was visible when drawing a "circle" + with a small number of segments (e.g. an hexagon). (#2287) [@baktery] +- ImGuiTextBuffer: Added append() function (unformatted). +- ImFontAtlas: Added 0x2000-0x206F general punctuation range to default ChineseFull/ChineseSimplifiedCommon ranges. (#2093) +- ImFontAtlas: FreeType: Added support for imgui allocators + custom FreeType only SetAllocatorFunctions. (#2285) [@Vuhdo] +- ImFontAtlas: FreeType: Fixed using imgui_freetype.cpp in unity builds. (#2302) +- Demo: Fixed "Log" demo not initializing properly, leading to the first line not showing before a Clear. (#2318) [@bluescan] +- Demo: Added "Auto-scroll" option in Log/Console demos. (#2300) [@nicolasnoble, @ocornut] +- Examples: Metal, OpenGL2, OpenGL3, Vulkan: Fixed offsetting of clipping rectangle with ImDrawData::DisplayPos != (0,0) + when the display frame-buffer scale scale is not (1,1). While this doesn't make a difference when using master branch, + this is effectively fixing support for multi-viewport with Mac Retina Displays on those examples. (#2306) [@rasky, @ocornut] + Also using ImDrawData::FramebufferScale instead of io.DisplayFramebufferScale. +- Examples: Clarified the use the ImDrawData::DisplayPos to offset clipping rectangles. +- Examples: Win32: Using GetForegroundWindow()+IsChild() instead of GetActiveWindow() to be compatible with windows created + in a different thread or parent. (#1951, #2087, #2156, #2232) [many people] +- Examples: SDL: Using the SDL_WINDOW_ALLOW_HIGHDPI flag. (#2306, #1676) [@rasky] +- Examples: Win32: Added support for XInput gamepads (if ImGuiConfigFlags_NavEnableGamepad is enabled). +- Examples: Win32: Added support for mouse buttons 4 and 5 via WM_XBUTTON* messages. (#2264) +- Examples: DirectX9: Explicitly disable fog (D3DRS_FOGENABLE) before drawing in case user state has it set. (#2288, #2230) +- Examples: OpenGL2: Added #define GL_SILENCE_DEPRECATION to cope with newer XCode warnings. +- Examples: OpenGL3: Using GLSL 4.10 shaders for any GLSL version over 410 (e.g. 430, 450). (#2329) [@BrutPitt] + + +----------------------------------------------------------------------- + VERSION 1.67 (Released 2019-01-14) +----------------------------------------------------------------------- + +Decorated log: https://github.com/ocornut/imgui/releases/tag/v1.67 + +Breaking Changes: + +- Made it illegal to call Begin("") with an empty string. This somehow half-worked before but had various undesirable + side-effect because the window would have ID zero. In particular it is causing problems in viewport/docking branches. +- Renamed io.ConfigResizeWindowsFromEdges to io.ConfigWindowsResizeFromEdges and removed its [Beta] mark. + The addition of new configuration options in the Docking branch is pushing for a little reorganization of those names. +- Renamed ImFontAtlas::GlyphRangesBuilder to ImFontGlyphRangesBuilder. Kept redirection typedef (will obsolete). + +Other Changes: +- Added BETA api for Tab Bar/Tabs widgets: (#261, #351) + - Added BeginTabBar(), EndTabBar(), BeginTabItem(), EndTabItem(), SetTabItemClosed() API. + - Added ImGuiTabBarFlags flags for BeginTabBar(). + - Added ImGuiTabItemFlags flags for BeginTabItem(). + - Style: Added ImGuiCol_Tab, ImGuiCol_TabHovered, ImGuiCol_TabActive, ImGuiCol_TabUnfocused, ImGuiCol_TabUnfocusedActive colors. + - Demo: Added Layout->Tabs demo code. + - Demo: Added "Documents" example app showcasing possible use for tabs. + This feature was merged from the Docking branch in order to allow the use of regular tabs in your code. + (It does not provide the docking/splitting/merging of windows available in the Docking branch) +- Added ImGuiWindowFlags_UnsavedDocument window flag to append '*' to title without altering the ID, as a convenience + to avoid using the ### operator. In the Docking branch this also has an effect on tab closing behavior. +- Window, Focus, Popup: Fixed an issue where closing a popup by clicking another window with the _NoMove flag would refocus + the parent window of the popup instead of the newly clicked window. +- Window: Contents size is preserved while a window collapsed. Fix auto-resizing window losing their size for one frame when uncollapsed. +- Window: Contents size is preserved while a window contents is hidden (unless it is hidden for resizing purpose). +- Window: Resizing windows from edge is now enabled by default (io.ConfigWindowsResizeFromEdges=true). Note that + it only works _if_ the back-end sets ImGuiBackendFlags_HasMouseCursors, which the standard back-ends do. +- Window: Added io.ConfigWindowsMoveFromTitleBarOnly option. This is ignored by window with no title bars (often popups). + This affects clamping window within the visible area: with this option enabled title bars need to be visible. (#899) +- Window: Fixed using SetNextWindowPos() on a child window (which wasn't really documented) position the cursor as expected + in the parent window, so there is no mismatch between the layout in parent and the position of the child window. +- InputFloat: When using ImGuiInputTextFlags_ReadOnly the step buttons are disabled. (#2257) +- DragFloat: Fixed broken mouse direction change with power!=1.0. (#2174, #2206) [@Joshhua5] +- Nav: Fixed an keyboard issue where holding Activate/Space for longer than two frames on a button would unnecessary + keep the focus on the parent window, which could steal it from newly appearing windows. (#787) +- Nav: Fixed animated window titles from being updated when displayed in the CTRL+Tab list. (#787) +- Error recovery: Extraneous/undesired calls to End() are now being caught by an assert in the End() function closer + to the user call site (instead of being reported in EndFrame). Past the assert, they don't lead to crashes any more. (#1651) + Missing calls to End(), past the assert, should not lead to crashes or to the fallback Debug window appearing on screen. + Those changes makes it easier to integrate dear imgui with a scripting language allowing, given asserts are redirected + into e.g. an error log and stopping the script execution. +- ImFontAtlas: Stb and FreeType: Atlas width is now properly based on total surface rather than glyph count (unless overridden with TexDesiredWidth). +- ImFontAtlas: Stb and FreeType: Fixed atlas builder so missing glyphs won't influence the atlas texture width. (#2233) +- ImFontAtlas: Stb and FreeType: Fixed atlas builder so duplicate glyphs (when merging fonts) won't be included in the rasterized atlas. +- ImFontAtlas: FreeType: Fixed abnormally high atlas height. +- ImFontAtlas: FreeType: Fixed support for any values of TexGlyphPadding (not just only 1). +- ImDrawList: Optimized some of the functions for performance of debug builds where non-inline function call cost are non-negligible. + (Our test UI scene on VS2015 Debug Win64 with /RTC1 went ~5.9 ms -> ~4.9 ms. In Release same scene stays at ~0.3 ms.) +- IO: Added BackendPlatformUserData, BackendRendererUserData, BackendLanguageUserData void* for storage use by back-ends. +- IO: Renamed InputCharacters[], marked internal as was always intended. Please don't access directly, and use AddInputCharacter() instead! +- IO: AddInputCharacter() goes into a queue which can receive as many characters as needed during the frame. This is useful + for automation to not have an upper limit on typing speed. Will later transition key/mouse to use the event queue later. +- Style: Tweaked default value of style.DisplayWindowPadding from (20,20) to (19,19) so the default style as a value + which is the same as the title bar height. +- Demo: "Simple Layout" and "Style Editor" are now using tabs. +- Demo: Added a few more things under "Child windows" (changing ImGuiCol_ChildBg, positioning child, using IsItemHovered after a child). +- Examples: DirectX10/11/12: Made imgui_impl_dx10/dx11/dx12.cpp link d3dcompiler.lib from the .cpp file to ease integration. +- Examples: Allegro 5: Properly destroy globals on shutdown to allow for restart. (#2262) [@DomRe] + + +----------------------------------------------------------------------- + VERSION 1.66b (Released 2018-12-01) +----------------------------------------------------------------------- + +Decorated log: https://github.com/ocornut/imgui/releases/tag/v1.66b + +Other Changes: + +- Fixed a text rendering/clipping bug introduced in 1.66 (on 2018-10-12, commit ede3a3b9) that affect single ImDrawList::AddText() + calls with single strings larger than 10k. Text/TextUnformatted() calls were not affected, but e.g. InputText() was. [@pdoane] +- When the focused window become inactive don't restore focus to a window with the ImGuiWindowFlags_NoInputs flag. (#2213) [@zzzyap] +- Separator: Fixed Separator() outputting an extraneous empty line when captured into clipboard/text/file. +- Demo: Added ShowAboutWindow() call, previously was only accessible from the demo window. +- Demo: ShowAboutWindow() now display various Build/Config Information (compiler, os, etc.) that can easily be copied into bug reports. +- Fixed build issue with osxcross and macOS. (#2218) [@dos1] +- Examples: Setting up 'io.BackendPlatformName'/'io.BackendRendererName' fields to the current back-end can be displayed in the About window. +- Examples: SDL: changed the signature of ImGui_ImplSDL2_ProcessEvent() to use a const SDL_Event*. (#2187) + + +----------------------------------------------------------------------- + VERSION 1.66 (Released 2018-11-22) +----------------------------------------------------------------------- + +Decorated log: https://github.com/ocornut/imgui/releases/tag/v1.66 + +Breaking Changes: + +- Renamed SetScrollHere() to SetScrollHereY(). Kept redirection function (will obsolete). +- Renamed misc/stl/imgui_stl.* to misc/cpp/imgui_stdlib.* in prevision for other C++ helper files. (#2035, #2096) + +Other Changes: + +- Fixed calling SetNextWindowSize()/SetWindowSize() with non-integer values leading to + accidental alteration of window position. We now round the provided size. (#2067) +- Fixed calling DestroyContext() always saving .ini data with the current context instead + of the supplied context pointer. (#2066) +- Nav, Focus: Fixed ImGuiWindowFlags_NoBringToFrontOnFocus windows not being restoring focus + properly after the main menu bar or last focused window is deactivated. +- Nav: Fixed an assert in certain circumstance (mostly when using popups) when mouse positions stop being valid. (#2168) +- Nav: Fixed explicit directional input not re-highlighting current nav item if there is a single item in the window + and highlight has been previously disabled by the mouse. (#787) +- DragFloat: Fixed a situation where dragging with value rounding enabled or with a power curve + erroneously wrapped the value to one of the min/max edge. (#2024, #708, #320, #2075). +- DragFloat: Disabled using power curve when one edge is FLT_MAX (broken in 1.61). (#2024) +- DragFloat: Disabled setting a default drag speed when one edge is FLT_MAX. (#2024) +- SliderAngle: Added optional format argument to alter precision or localize the string. (#2150) [@podsvirov] +- Window: Resizing from edges (with io.ConfigResizeWindowsFromEdges Beta flag) extends the hit region + of root floating windows outside the window, making it easier to resize windows. Resize grips are also + extended accordingly so there are no discontinuity when hovering between borders and corners. (#1495, #822) +- Window: Added ImGuiWindowFlags_NoBackground flag to avoid rendering window background. This is mostly to allow + the creation of new flag combinations, as we could already use SetNextWindowBgAlpha(0.0f). (#1660) [@biojppm, @ocornut] +- Window: Added ImGuiWindowFlags_NoDecoration helper flag which is essentially NoTitleBar+NoResize+NoScrollbar+NoCollapse. +- Window: Added ImGuiWindowFlags_NoMouseInputs which is basically the old ImGuiWindowFlags_NoInputs (essentially + we have renamed ImGuiWindowFlags_NoInputs to ImGuiWindowFlags_NoMouseInputs). Made the new ImGuiWindowFlags_NoInputs + encompass both NoMouseInputs+NoNav, which is consistent with its description. (#1660, #787) +- Window, Inputs: Fixed resizing from edges when io.MousePos is not pixel-rounded by rounding mouse position input. (#2110) +- BeginChild(): Fixed BeginChild(const char*, ...) variation erroneously not applying the ID stack + to the provided string to uniquely identify the child window. This was undoing an intentional change + introduced in 1.50 and broken in 1.60. (#1698, #894, #713). +- TextUnformatted(): Fixed a case where large-text path would read bytes past the text_end marker depending + on the position of new lines in the buffer (it wasn't affecting the output but still not the right thing to do!) +- ListBox(): Fixed frame sizing when items_count==1 unnecessarily showing a scrollbar. (#2173) [@luk1337, @ocornut] +- ListBox(): Tweaked frame sizing so list boxes will look more consistent when FramePadding is far from ItemSpacing. +- RenderText(): Some optimization for very large text buffers, useful for non-optimized builds. +- BeginMenu(): Fixed menu popup horizontal offset being off the item in the menu bar when WindowPadding=0.0f. +- ArrowButton(): Fixed arrow shape being horizontally misaligned by (FramePadding.y-FramePadding.x) if they are different. +- Demo: Split the contents of ShowDemoWindow() into smaller functions as it appears to speed up link time with VS. (#2152) +- Drag and Drop: Added GetDragDropPayload() to peek directly into the payload (if any) from anywhere. (#143) +- ImGuiTextBuffer: Avoid heap allocation when empty. +- ImDrawList: Fixed AddConvexPolyFilled() undefined behavior when passing points_count smaller than 3, + in particular, points_count==0 could lead to a memory stomp if the draw list was previously empty. +- Examples: DirectX10, DirectX11: Removed seemingly unnecessary calls to invalidate and recreate device objects + in the WM_SIZE handler. (#2088) [@ice1000] +- Examples: GLFW: User previously installed GLFW callbacks are now saved and chain-called by the default callbacks. (#1759) +- Examples: OpenGL3: Added support for GL 4.5's glClipControl(GL_UPPER_LEFT). (#2186) +- Examples: OpenGL3+GLFW: Fixed error condition when using the GLAD loader. (#2157) [@blackball] +- Examples: OpenGL3+GLFW/SDL: Made main.cpp compile with IMGUI_IMPL_OPENGL_LOADER_CUSTOM (may be missing init). (#2178) [@doug-moen] +- Examples: SDL2+Vulkan: Fixed application shutdown which could deadlock on Linux + Xorg. (#2181) [@eRabbit0] + + +----------------------------------------------------------------------- + VERSION 1.65 (Released 2018-09-06) +----------------------------------------------------------------------- + +Decorated log: https://github.com/ocornut/imgui/releases/tag/v1.65 + +Breaking Changes: + +- Renamed stb_truetype.h to imstb_truetype.h, stb_textedit.h to imstb_textedit.h, and + stb_rect_pack.h to imstb_rectpack.h. If you were conveniently using the imgui copy of those + STB headers in your project, you will have to update your include paths. (#1718, #2036) + The reason for this change is to avoid conflicts for projects that may also be importing + their own copy of the STB libraries. Note that imgui's copy of stb_textedit.h is modified. +- Renamed io.ConfigCursorBlink to io.ConfigInputTextCursorBlink. (#1427) + +Other Changes: + +- This is a minor release following the 1.64 refactor, with a little more shuffling of code. +- Clarified and improved the source code sectioning in all files (easier to search or browse sections). +- Nav: Removed the [Beta] tag from various descriptions of the gamepad/keyboard navigation system. + Although it is not perfect and will keep being improved, it is fairly functional and used by many. (#787) +- Fixed a build issue with non-Cygwin GCC under Windows. +- Demo: Added a "Configuration" block to make io.ConfigFlags/io.BackendFlags more prominent. +- Examples: OpenGL3+SDL2: Fixed error condition when using the GLAD loader. (#2059, #2002) [@jiri] + + +----------------------------------------------------------------------- + VERSION 1.64 (Released 2018-08-31) +----------------------------------------------------------------------- + +Decorated log: https://github.com/ocornut/imgui/releases/tag/v1.64 + +Changes: + +- Moved README, CHANGELOG and TODO files to the docs/ folder. + If you are updating dear imgui by copying files, take the chance to delete the old files. +- Added imgui_widgets.cpp file, extracted and moved widgets code out of imgui.cpp into imgui_widgets.cpp. + Re-ordered some of the code remaining in imgui.cpp. + NONE OF THE FUNCTIONS HAVE CHANGED. THE CODE IS SEMANTICALLY 100% IDENTICAL, BUT _EVERY_ FUNCTIONS HAS BEEN MOVED. + Because of this, any local modifications to imgui.cpp will likely conflict when you update. + If you have any modifications to imgui.cpp, it is suggested that you first update to 1.63, then + isolate your patches. You can peak at imgui_widgets.cpp from 1.64 to get a sense of what is included in it, + then separate your changes into several patches that can more easily be applied to 1.64 on a per-file basis. + What I found worked nicely for me, was to open the diff of the old patches in an interactive merge/diff tool, + search for the corresponding function in the new code and apply the chunks manually. +- As a reminder, if you have any change to imgui.cpp it is a good habit to discuss them on the github, + so a solution applicable on the Master branch can be found. If your company has changes that you cannot + disclose you may also contact me privately. + + +----------------------------------------------------------------------- + VERSION 1.63 (Released 2018-08-29) +----------------------------------------------------------------------- + +Decorated log: https://github.com/ocornut/imgui/releases/tag/v1.63 + +Breaking Changes: + +- Style: Renamed ImGuiCol_ModalWindowDarkening to ImGuiCol_ModalWindowDimBg for consistency with other features. + Kept redirection enum (will obsolete). +- Changed ImGui::GetTime() return value from float to double to avoid accumulating floating point imprecision over time. +- Removed per-window ImGuiWindowFlags_ResizeFromAnySide Beta flag in favor `io.ConfigResizeWindowsFromEdges=true` to + enable the feature globally. (#1495) + The feature is not currently enabled by default because it is not satisfying enough, but will eventually be. +- InputText: Renamed ImGuiTextEditCallback to ImGuiInputTextCallback, ImGuiTextEditCallbackData to ImGuiInputTextCallbackData + for consistency. Kept redirection types (will obsolete). +- InputText: Removed ImGuiTextEditCallbackData::ReadOnly because it is a duplication of (::Flags & ImGuiInputTextFlags_ReadOnly). +- Renamed IsItemDeactivatedAfterChange() to IsItemDeactivatedAfterEdit() for consistency with new IsItemEdited() API. + Kept redirection function (will obsolete soonish as IsItemDeactivatedAfterChange() is very recent). +- Renamed io.OptCursorBlink to io.ConfigCursorBlink [-> io.ConfigInputTextCursorBlink in 1.65], io.OptMacOSXBehaviors to + io.ConfigMacOSXBehaviors for consistency. (#1427, #473) +- Removed obsolete redirection functions: CollapsingHeader() variation with 2 bools - marked obsolete in v1.49, May 2016. + +Other Changes: + +- ArrowButton: Fixed to honor PushButtonRepeat() setting (and internals' ImGuiItemFlags_ButtonRepeat). +- ArrowButton: Setup current line text baseline so that ArrowButton() + SameLine() + Text() are aligned properly. +- Nav: Added a CTRL+TAB window list and changed the highlight system accordingly. The change is motivated by upcoming + Docking features. (#787) +- Nav: Made CTRL+TAB skip menus + skip the current navigation window if is has the ImGuiWindow_NoNavFocus set. (#787) + While it was previously possible, you won't be able to CTRL-TAB out and immediately back in a window with the + ImGuiWindow_NoNavFocus flag. +- Window: Allow menu and popups windows from ignoring the style.WindowMinSize values so short menus/popups are not padded. (#1909) +- Window: Added global io.ConfigResizeWindowsFromEdges option to enable resizing windows from their edges and from + the lower-left corner. (#1495) +- Window: Collapse button shows hovering highlight + clicking and dragging on it allows to drag the window as well. +- Added IsItemEdited() to query if the last item modified its value (or was pressed). This is equivalent to the bool + returned by most widgets. + It is useful in some situation e.g. using InputText() with ImGuiInputTextFlags_EnterReturnsTrue. (#2034) +- InputText: Added support for buffer size/capacity changes via the ImGuiInputTextFlags_CallbackResize flag. (#2006, #1443, #1008). +- InputText: Fixed not tracking the cursor horizontally when modifying the text buffer through a callback. +- InputText: Fixed minor off-by-one issue when submitting a buffer size smaller than the initial zero-terminated buffer contents. +- InputText: Fixed a few pathological crash cases on single-line InputText widget with multiple millions characters worth of contents. + Because the current text drawing function reserve for a worst-case amount of vertices and how we handle horizontal clipping, + we currently just avoid displaying those single-line widgets when they are over a threshold of 2 millions characters, + until a better solution is found. +- Drag and Drop: Fixed an incorrect assert when dropping a source that is submitted after the target (bug introduced with 1.62 changes + related to the addition of IsItemDeactivated()). (#1875, #143) +- Drag and Drop: Fixed ImGuiDragDropFlags_SourceNoDisableHover to affect hovering state prior to calling IsItemHovered() + fixed description. (#143) +- Drag and Drop: Calling BeginTooltip() between a BeginDragSource()/EndDragSource() or BeginDropTarget()/EndDropTarget() uses adjusted tooltip + settings matching the one created when calling BeginDragSource() without the ImGuiDragDropFlags_SourceNoPreviewTooltip flag. (#143) +- Drag and Drop: Payload stays available and under the mouse if the source stops being submitted, however the tooltip is replaced by "...". (#1725) +- Drag and Drop: Added ImGuiDragDropFlags_SourceAutoExpirePayload flag to force payload to expire if the source stops being submitted. (#1725, #143). +- IsItemHovered(): Added ImGuiHoveredFlags_AllowWhenDisabled flag to query hovered status on disabled items. (#1940, #211) +- Selectable: Added ImGuiSelectableFlags_Disabled flag in the public API. (#211) +- ColorEdit4: Fixed a bug when text input or drag and drop leading to unsaturated HSV values would erroneously alter the resulting color. (#2050) +- Misc: Added optional misc/stl/imgui_stl.h wrapper to use with STL types (e.g. InputText with std::string). (#2006, #1443, #1008) + [*EDIT* renamed to misc/std/imgui_stdlib.h in 1.66] +- Misc: Added IMGUI_VERSION_NUM for easy compile-time testing. (#2025) +- Misc: Added ImGuiMouseCursor_Hand cursor enum + corresponding software cursor. (#1913, 1914) [@aiekick, @ocornut] +- Misc: Tweaked software mouse cursor offset to match the offset of the corresponding Windows 10 cursors. +- Made assertion more clear when trying to call Begin() outside of the NewFrame()..EndFrame() scope. (#1987) +- Fixed assertion when transitioning from an active ID to another within a group, affecting ColorPicker (broken in 1.62). (#2023, #820, #956, #1875). +- Fixed PushID() from keeping alive the new ID Stack top value (if a previously active widget shared the ID it would be erroneously kept alive). +- Fixed horizontal mouse wheel not forwarding the request to the parent window if ImGuiWindowFlags_NoScrollWithMouse is set. (#1463, #1380, #1502) +- Fixed a include build issue for Cygwin in non-POSIX (Win32) mode. (#1917, #1319, #276) +- ImDrawList: Improved handling for worst-case vertices reservation policy when large amount of text (e.g. 1+ million character strings) + are being submitted in a single call. It would typically have crashed InputTextMultiline(). (#200) +- OS/Windows: Fixed missing ImmReleaseContext() call in the default Win32 IME handler. (#1932) [@vby] +- Metrics: Changed io.MetricsActiveWindows to reflect the number of active windows (!= from visible windows), which is useful + for lazy/idle render mechanisms as new windows are typically not visible for one frame. +- Metrics: Added io.MetricsRenderWindow to reflect the number of visible windows. +- Metrics: Added io.MetricsActiveAllocations, moving away from the cross-context global counters than we previously used. (#1565, #1599, #586) +- Demo: Added basic Drag and Drop demo. (#143) +- Demo: Modified the Console example to use InsertChars() in the input text callback instead of poking directly into the buffer. + Although this won't make a difference in the example itself, using InsertChars() will honor the resizing callback properly. (#2006, #1443, #1008). +- Demo: Clarified the use of IsItemHovered()/IsItemActive() right after being in the "Active, Focused, Hovered & Focused Tests" section. +- Examples: Tweaked the main.cpp of each example. +- Examples: Metal: Added Metal rendering backend. (#1929, #1873) [@warrenm] +- Examples: OSX: Added early raw OSX platform backend. (#1873) [@pagghiu, @itamago, @ocornut] +- Examples: Added mac OSX & iOS + Metal example in example_apple_metal/. (#1929, #1873) [@warrenm] +- Examples: Added mac OSX + OpenGL2 example in example_apple_opengl2/. (#1873) +- Examples: OpenGL3: Added shaders more versions of GLSL. (#1938, #1941, #1900, #1513, #1466, etc.) +- Examples: OpenGL3: Tweaked the imgui_impl_opengl3.cpp to work as-is with Emscripten + WebGL 2.0. (#1941). [@o-micron] +- Examples: OpenGL3: Made the example app default to GL 3.0 + GLSL 130 (instead of GL 3.2 + GLSL 150) unless on Mac. +- Examples: OpenGL3: Added error output when shaders fail to compile/link. +- Examples: OpenGL3: Added support for glew and glad OpenGL loaders out of the box. (#2001, #2002) [@jdumas] +- Examples: OpenGL2: Disabling/restoring GL_LIGHTING and GL_COLOR_MATERIAL to increase compatibility with legacy OpenGL applications. (#1996) +- Examples: DirectX10, DirectX11: Fixed unreleased resources in Init and Shutdown functions. (#1944) +- Examples: DirectX11: Querying for IDXGIFactory instead of IDXGIFactory1 to increase compatibility. (#1989) [@matt77hias] +- Examples: Vulkan: Fixed handling of VkSurfaceCapabilitiesKHR::maxImageCount = 0 case. Tweaked present mode selections. +- Examples: Win32, Glfw, SDL: Added support for the ImGuiMouseCursor_Hand cursor. + + +----------------------------------------------------------------------- + VERSION 1.62 (Released 2018-06-22) +----------------------------------------------------------------------- + +Decorated log: https://github.com/ocornut/imgui/releases/tag/v1.62 + +Breaking Changes: + +- TreeNodeEx(): The helper ImGuiTreeNodeFlags_CollapsingHeader flag now include ImGuiTreeNodeFlags_NoTreePushOnOpen. + The flag was already set by CollapsingHeader(). + The only difference is if you were using TreeNodeEx() manually with ImGuiTreeNodeFlags_CollapsingHeader and without + ImGuiTreeNodeFlags_NoTreePushOnOpen. In this case you can remove the ImGuiTreeNodeFlags_NoTreePushOnOpen flag from + your call (ImGuiTreeNodeFlags_CollapsingHeader & ~ImGuiTreeNodeFlags_NoTreePushOnOpen). (#1864) + This also apply if you were using internal's TreeNodeBehavior() with the ImGuiTreeNodeFlags_CollapsingHeader flag directly. +- ImFontAtlas: Renamed GetGlyphRangesChinese() to GetGlyphRangesChineseFull() to distinguish new smaller variants and + discourage using the full set. (#1859) + +Other Changes: + +- Examples back-ends have been refactored to separate the platform code (e.g. Win32, Glfw, SDL2) from the renderer code (e.g. DirectX11, OpenGL3, Vulkan). + The "Platform" bindings are in charge of: mouse/keyboard/gamepad inputs, cursor shape, timing, etc. + The "Renderer" bindings are in charge of: creating the main font texture, rendering imgui draw data. + before: imgui_impl_dx11.cpp --> after: imgui_impl_win32.cpp + imgui_impl_dx11.cpp + before: imgui_impl_dx12.cpp --> after: imgui_impl_win32.cpp + imgui_impl_dx12.cpp + before: imgui_impl_glfw_gl3.cpp --> after: imgui_impl_glfw.cpp + imgui_impl_opengl2.cpp + before: imgui_impl_glfw_vulkan.cpp --> after: imgui_impl_glfw.cpp + imgui_impl_vulkan.cpp + before: imgui_impl_sdl_gl3.cpp --> after: imgui_impl_sdl2.cpp + imgui_impl_opengl2.cpp + before: imgui_impl_sdl_gl3.cpp --> after: imgui_impl_sdl2.cpp + imgui_impl_opengl3.cpp etc. + - The idea is what we can now easily combine and maintain back-ends and reduce code redundancy. Individual files are + smaller and more reusable. Integration of imgui into a new/custom engine may also be easier as there is less overlap + between "windowing / inputs" and "rendering" code, so you may study or grab one half of the code and not the other. + - This change was motivated by the fact that adding support for the upcoming multi-viewport feature requires more work + from the Platform and Renderer back-ends, and the amount of redundancy across files was becoming too difficult to + maintain. If you use default back-ends, you'll benefit from an easy update path to support multi-viewports later + (for future ImGui 1.7x). + - This is not strictly a breaking change if you keep your old bindings, but when you'll want to fully update your bindings, + expect to have to reshuffle a few things. + - Each example still has its own main.cpp which you may refer you to understand how to initialize and glue everything together. + - Some frameworks (such as the Allegro, Marmalade) handle both the "platform" and "rendering" part, and your custom engine may as well. + - Read examples/README.txt for details. +- Added IsItemDeactivated() to query if the last item was active previously and isn't anymore. Useful for Undo/Redo patterns. (#820, #956, #1875) +- Added IsItemDeactivatedAfterChange() [*EDIT* renamed to IsItemDeactivatedAfterEdit() in 1.63] if the last item was active previously, + is not anymore, and during its active state modified a value. Note that you may still get false positive (e.g. drag value and while + holding return on the same value). (#820, #956, #1875) +- Nav: Added support for PageUp/PageDown (explorer-style: first aim at bottom/top most item, when scroll a page worth of contents). (#787) +- Nav: To keep the navigated item in view we also attempt to scroll the parent window as well as the current window. (#787) +- ColorEdit3, ColorEdit4, ColorButton: Added ImGuiColorEditFlags_NoDragDrop flag to disable ColorEditX as drag target and ColorButton as drag source. (#1826) +- BeginDragDropSource(): Offset tooltip position so it is off the mouse cursor, but also closer to it than regular tooltips, + and not clamped by viewport. (#1739) +- BeginDragDropTarget(): Added ImGuiDragDropFlags_AcceptNoPreviewTooltip flag to request hiding the drag source tooltip + from the target site. (#143) +- BeginCombo(), BeginMainMenuBar(), BeginChildFrame(): Temporary style modification are restored at the end of BeginXXX + instead of EndXXX, to not affect tooltips and child windows. +- Popup: Improved handling of (erroneously) repeating calls to OpenPopup() to not close the popup's child popups. (#1497, #1533, #1865). +- InputTextMultiline(): Fixed double navigation highlight when scrollbar is active. (#787) +- InputText(): Fixed Undo corruption after pasting large amount of text (Redo will still fail when undo buffers are exhausted, + but text won't be corrupted). +- SliderFloat(): When using keyboard/gamepad and a zero precision format string (e.g. "%.0f"), always step in integer units. (#1866) +- ImFontConfig: Added GlyphMinAdvanceX/GlyphMaxAdvanceX settings useful to make a font appears monospaced, particularly useful + for icon fonts. (#1869) +- ImFontAtlas: Added GetGlyphRangesChineseSimplifiedCommon() helper that returns a list of ~2500 most common Simplified Chinese + characters. (#1859) [@JX-Master, @ocornut] +- Examples: OSX: Added imgui_impl_osx.mm binding to be used along with e.g. imgui_impl_opengl2.cpp. (#281, #1870) [@pagghiu, @itamago, @ocornut] +- Examples: GLFW: Made it possible to Shutdown/Init the backend again (by reseting the time storage properly). (#1827) [@ice1000] +- Examples: Win32: Fixed handling of mouse wheel messages to support sub-unit scrolling messages (typically sent by track-pads). (#1874) [@zx64] +- Examples: SDL+Vulkan: Added SDL+Vulkan example. +- Examples: Allegro5: Added support for ImGuiConfigFlags_NoMouseCursorChange flag. Added clipboard support. +- Examples: Allegro5: Unindexing buffers ourselves as Allegro indexed drawing primitives are buggy in the DirectX9 back-end + (will be fixed in Allegro 5.2.5+). +- Examples: DirectX12: Moved the ID3D12GraphicsCommandList* parameter from ImGui_ImplDX12_NewFrame() to ImGui_ImplDX12_RenderDrawData() which makes a lots more sense. (#301) +- Examples: Vulkan: Reordered parameters ImGui_ImplVulkan_RenderDrawData() to be consistent with other bindings, + a good occasion since we refactored the code. +- Examples: FreeGLUT: Added FreeGLUT bindings. Added FreeGLUT+OpenGL2 example. (#801) +- Examples: The functions in imgui_impl_xxx.cpp are prefixed with IMGUI_IMPL_API (which defaults to IMGUI_API) to facilitate + some uses. (#1888) +- Examples: Fixed bindings to use ImGuiMouseCursor_COUNT instead of old name ImGuiMouseCursor_Count_ so they can compile + with IMGUI_DISABLE_OBSOLETE_FUNCTIONS. (#1887) +- Misc: Updated stb_textedit from 1.09 + patches to 1.12 + minor patches. +- Internals: PushItemFlag() flags are inherited by BeginChild(). + + +----------------------------------------------------------------------- + VERSION 1.61 (Released 2018-05-14) +----------------------------------------------------------------------- + +Decorated log: https://github.com/ocornut/imgui/releases/tag/v1.61 + +Breaking Changes: + +- DragInt(): The default compile-time format string has been changed from "%.0f" to "%d", as we are not using integers internally + any more. If you used DragInt() with custom format strings, make sure you change them to use %d or an integer-compatible format. + To honor backward-compatibility, the DragInt() code will currently parse and modify format strings to replace %*f with %d, + giving time to users to upgrade their code. + If you have IMGUI_DISABLE_OBSOLETE_FUNCTIONS enabled, the code will instead assert! You may run a reg-exp search on your + codebase for e.g. "DragInt.*%f" to you find them. +- InputFloat(): Obsoleted InputFloat() functions taking an optional "int decimal_precision" in favor of an equivalent and more + flexible "const char* format", consistent with other functions. Kept redirection functions (will obsolete). +- Misc: IM_DELETE() helper function added in 1.60 doesn't set the input pointer to NULL, more consistent with standard + expectation and allows passing r-values. + +Other Changes: + +- Added DragScalar, DragScalarN: supports signed/unsigned, 32/64 bits, float/double data types. (#643, #320, #708, #1011) +- Added InputScalar, InputScalarN: supports signed/unsigned, 32/64 bits, float/double data types. (#643, #320, #708, #1011) +- Added SliderScalar, SliderScalarN: supports signed/unsigned, 32/64 bits, float/double data types. (#643, #320, #708, #1011) +- Window: Fixed pop-ups/tooltips/menus not honoring style.DisplaySafeAreaPadding as well as it should have (part of menus + displayed outside the safe area, etc.). +- Window: Fixed windows using the ImGuiWindowFlags_NoSavedSettings flag from not using the same default position as other windows. (#1760) +- Window: Relaxed the internal stack size checker to allow Push/Begin/Pop/.../End patterns to be used with PushStyleColor, PushStyleVar, PushFont without causing a false positive assert. (#1767) +- Window: Fixed the default proportional item width lagging by one frame on resize. +- Columns: Fixed a bug introduced in 1.51 where columns would affect the contents size of their container, often creating + feedback loops when ImGuiWindowFlags_AlwaysAutoResize was used. (#1760) +- Settings: Fixed saving an empty .ini file if CreateContext/DestroyContext are called without a single call to NewFrame(). (#1741) +- Settings: Added LoadIniSettingsFromDisk(), LoadIniSettingsFromMemory(), SaveIniSettingsToDisk(), SaveIniSettingsToMemory() + to manually load/save .ini settings. (#923, #993) +- Settings: Added io.WantSaveIniSettings flag, which is set to notify the application that e.g. SaveIniSettingsToMemory() + should be called. (#923, #993) +- Scrolling: Fixed a case where using SetScrollHere(1.0f) at the bottom of a window on the same frame the window height + has been growing would have the scroll clamped using the previous height. (#1804) +- MenuBar: Made BeginMainMenuBar() honor style.DisplaySafeAreaPadding so the text can be made visible on TV settings that + don't display all pixels. (#1439) [@dougbinks] +- InputText: On Mac OS X, filter out characters when the CMD modifier is held. (#1747) [@sivu] +- InputText: On Mac OS X, support CMD+SHIFT+Z for Redo. CMD+Y is also supported as major apps seems to default to support both. (#1765) [@lfnoise] +- InputText: Fixed returning true when edition is cancelled with ESC and the current buffer matches the initial value. +- InputFloat,InputFloat2,InputFloat3,InputFloat4: Added variations taking a more flexible and consistent optional + "const char* format" parameter instead of "int decimal_precision". This allow using custom formats to display values + in scientific notation, and is generally more consistent with other API. + Obsoleted functions using the optional "int decimal_precision" parameter. (#648, #712) +- DragFloat, DragInt: Cancel mouse tweak when current value is initially past the min/max boundaries and mouse is pushing + in the same direction (keyboard/gamepad version already did this). +- DragFloat, DragInt: Honor natural type limits (e.g. INT_MAX, FLT_MAX) instead of wrapping around. (#708, #320) +- DragFloat, SliderFloat: Fixes to allow input of scientific notation numbers when using CTRL+Click to input the value. (~#648, #1011) +- DragFloat, SliderFloat: Rounding-on-write uses the provided format string instead of parsing the precision from the string, + which allows for finer uses of %e %g etc. (#648, #642) +- DragFloat: Improved computation when using the power curve. Improved lost of input precision with very small steps. + Added an assert than power-curve requires a min/max range. (~#642) +- DragFloat: The 'power' parameter is only honored if the min/max parameter are also setup. +- DragInt, SliderInt: Fixed handling of large integers (we previously passed data around internally as float, which reduced + the range of valid integers). +- ColorEdit: Fixed not being able to pass the ImGuiColorEditFlags_NoAlpha or ImGuiColorEditFlags_HDR flags to SetColorEditOptions(). +- Nav: Fixed hovering a Selectable() with the mouse so that it update the navigation cursor (as it happened in the pre-1.60 navigation branch). (#787) +- Style: Changed default style.DisplaySafeAreaPadding values from (4,4) to (3,3) so it is smaller than FramePadding and has no effect on main menu bar on a computer. (#1439) +- Fonts: When building font atlas, glyphs that are missing in the fonts are not using the glyph slot to render a dummy/default glyph. Saves space and allow merging fonts with + overlapping font ranges such as FontAwesome5 which split out the Brands separately from the Solid fonts. (#1703, #1671) +- Misc: Added IMGUI_CHECKVERSION() macro to compare version string and data structure sizes in order to catch issues with mismatching compilation unit settings. (#1695, #1769) +- Misc: Added IMGUI_DISABLE_MATH_FUNCTIONS in imconfig.h to make it easier to redefine wrappers for std/crt math functions. +- Misc: Fix to allow compiling in unity builds where stb_rectpack/stb_truetype may be already included in the same compilation unit. +- Demo: Simple Overlay: Added a context menu item to enable freely moving the window. +- Demo: Added demo for DragScalar(), InputScalar(), SliderScalar(). (#643) +- Examples: Calling IMGUI_CHECKVERSION() in the main.cpp of every example application. +- Examples: Allegro 5: Added support for 32-bit indices setup via defining ImDrawIdx, to avoid an unnecessary conversion (Allegro 5 doesn't support 16-bit indices). +- Examples: Allegro 5: Renamed bindings from imgui_impl_a5.cpp to imgui_impl_allegro5.cpp. +- Examples: DirectX 9: Saving/restoring Transform because they don't seem to be included in the StateBlock. Setting shading mode to Gouraud. (#1790, #1687) [@sr-tream] +- Examples: SDL: Fixed clipboard paste memory leak in the SDL binding code. (#1803) [@eliasdaler] +- Various minor fixes, tweaks, refactoring, comments. + + +----------------------------------------------------------------------- + VERSION 1.60 (Released 2018-04-07) +----------------------------------------------------------------------- + +Decorated log: https://github.com/ocornut/imgui/releases/tag/v1.60 + +The gamepad/keyboard navigation branch (which has been in the work since July 2016) has been merged. +Gamepad/keyboard navigation is still marked as Beta and has to be enabled explicitly. +Various internal refactoring have also been done, as part of the navigation work and as part of the upcoming viewport/docking work. + +Breaking Changes: + +- Obsoleted the io.RenderDrawListsFn callback, you can call your graphics engine render function after ImGui::Render(). + e.g. with example backends, call ImDrawData* draw_data = ImGui::GetDrawData(); ImGui_ImplXXXX_RenderDrawData(draw_data). +- Reorganized context handling to be more explicit: (#1599) + - YOU NOW NEED TO CALL ImGui::CreateContext() AT THE BEGINNING OF YOUR APP, AND CALL ImGui::DestroyContext() AT THE END. + - removed Shutdown() function, as DestroyContext() serve this purpose. If you are using an old backend from the examples/ folder, remove the line that calls Shutdown(). + - you may pass a ImFontAtlas* pointer to CreateContext() to share a font atlas between contexts. Otherwise CreateContext() will create its own font atlas instance. + - removed allocator parameters from CreateContext(), they are now setup with SetAllocatorFunctions(), and shared by all contexts. + - removed the default global context and font atlas instance, which were confusing for users of DLL reloading and users of multiple contexts. +- Renamed ImGuiStyleVar_Count_ to ImGuiStyleVar_COUNT and ImGuiMouseCursor_Count_ to ImGuiMouseCursor_COUNT for consistency with other public enums. +- Fonts: Moved sample TTF files from extra_fonts/ to misc/fonts/. If you loaded files directly from the imgui repo you may need to update your paths. +- Fonts: changed ImFont::DisplayOffset.y to defaults to 0 instead of +1. Fixed vertical rounding of Ascent/Descent to match TrueType renderer. + If you were adding or subtracting (not assigning) to ImFont::DisplayOffset check if your fonts are correctly aligned vertically. (#1619) +- BeginDragDropSource(): temporarily removed the optional mouse_button=0 parameter because it is not really usable in many situations at the moment. +- Obsoleted IsAnyWindowHovered() in favor of IsWindowHovered(ImGuiHoveredFlags_AnyWindow). Kept redirection function (will obsolete). +- Obsoleted IsAnyWindowFocused() in favor of IsWindowFocused(ImGuiFocusedFlags_AnyWindow). Kept redirection function (will obsolete). +- Renamed io.WantMoveMouse to io.WantSetMousePos for consistency and ease of understanding (was added in 1.52, not used by core, and honored by some binding ahead of merging the Nav branch). +- Removed ImGuiCol_CloseButton, ImGuiCol_CloseButtonActive, ImGuiCol_CloseButtonHovered style colors as the closing cross uses regular button colors now. +- Renamed ImGuiSizeConstraintCallback to ImGuiSizeCallback, ImGuiSizeConstraintCallbackData to ImGuiSizeCallbackData. +- Removed CalcItemRectClosestPoint() which was weird and not really used by anyone except demo code. If you need it should be easy to replicate on your side (you can find the code in 1.53). +- [EDITED] Window: BeginChild() with an explicit name doesn't include the hash within the internal window name. (#1698) + This change was erroneously introduced, undoing the change done for #894, #713, and not documented properly in the original + 1.60 release Changelog. It was fixed on 2018-09-28 (1.66) and I wrote this paragraph the same day. + +Other Changes: + +- Doc: Added a Changelog file in the repository to ease comparing versions (it goes back to dear imgui 1.48), until now it was only on GitHub. +- Navigation: merged in the gamepad/keyboard navigation (about a million changes!). (#787, #323) + The initial focus was to support game controllers, but keyboard is becoming increasingly and decently usable. +- To use Gamepad Navigation: + - Set io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad to enable. + - Backend: Set io.BackendFlags |= ImGuiBackendFlags_HasGamepad + fill the io.NavInputs[] fields before calling NewFrame(). Read imgui.cpp for more details. + - See https://github.com/ocornut/imgui/issues/1599 for recommended gamepad mapping or download PNG/PSD at http://goo.gl/9LgVZW + - See 'enum ImGuiNavInput_' in imgui.h for a description of inputs. Read imgui.cpp for more details. +- To use Keyboard Navigation: + - Set io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard to enable. NewFrame() will automatically fill io.NavInputs[] based on your io.KeysDown[] + io.KeyMap[] arrays. + - Basic controls: arrows to navigate, Alt to enter menus, Space to activate item, Enter to edit text, Escape to cancel/close, Ctrl-Tab to focus windows, etc. + - When keyboard navigation is active (io.NavActive + ImGuiConfigFlags_NavEnableKeyboard), the io.WantCaptureKeyboard flag will be set. + For more advanced uses, you may want to read from io.NavActive or io.NavVisible. Read imgui.cpp for more details. +- Navigation: SetItemDefaultFocus() sets the navigation position in addition to scrolling. (#787) +- Navigation: Added IsItemFocused(), added IsAnyItemFocused(). (#787) +- Navigation: Added window flags: ImGuiWindowFlags_NoNav (== ImGuiWindowFlags_NoNavInputs | ImGuiWindowFlags_NoNavFocus). +- Navigation: Style: Added ImGuiCol_NavHighlight, ImGuiCol_NavWindowingHighlight colors. (#787) +- Navigation: TreeNode: Added ImGuiTreeNodeFlags_NavLeftJumpsBackHere flag to allow Nav Left direction to jump back to parent tree node from any of its child. (#1079) +- Navigation: IO: Added io.ConfigFlags (input), io.NavActive (output), io.NavVisible (output). (#787) +- Context: Removed the default global context and font atlas instances, which caused various problems to users of multiple contexts and DLL users. (#1565, #1599) + YOU NOW NEED TO CALL ImGui::CreateContext() AT THE BEGINNING OF YOUR APP, AND CALL ImGui::DestroyContext() AT THE END. Existing apps will assert/crash without it. +- Context: Added SetAllocatorFunctions() to rewire memory allocators (as a replacement to previous parameters to CreateContext()). Allocators are shared by all contexts and imgui helpers. (#1565, #586, #992, #1007, #1558) +- Context: You may pass a ImFontAtlas to CreateContext() to specify a font atlas to share. Shared font atlas are not owned by the context and not destroyed along with it. (#1599) +- Context: Added IMGUI_DISABLE_DEFAULT_ALLOCATORS to disable linking with malloc/free. (#1565, #586, #992, #1007, #1558) +- IO: Added io.ConfigFlags for user application to store settings for imgui and for the backend: + - ImGuiConfigFlags_NavEnableKeyboard: Enable keyboard navigation. + - ImGuiConfigFlags_NavEnableGamepad: Enable gamepad navigation (provided ImGuiBackendFlags_HasGamepad is also set by backend). + - ImGuiConfigFlags_NavEnableSetMousePos: Instruct navigation to move the mouse cursor. May be useful on TV/console systems where moving a virtual mouse is awkward. + - ImGuiConfigFlags_NoMouseCursorChange: Instruct backend to not alter mouse cursor shape and visibility (by default the example backend use mouse cursor API of the platform when available) + - ImGuiConfigFlags_NoMouse: Instruct imgui to clear mouse position/buttons in NewFrame(). This allows ignoring the mouse information passed by the backend. + - ImGuiConfigFlags_IsSRGB, ImGuiConfigFlags_IsTouchScreen: Flags for general application use. +- IO: Added io.BackendFlags for backend to store its capabilities (currently: _HasGamepad, _HasMouseCursors, _HasSetMousePos). This will be used more in the next version. +- IO: Added ImGuiKey_Insert, ImGuiKey_Space keys. Setup in all example bindings. (#1541) +- IO: Added Horizontal Mouse Wheel support for horizontal scrolling. (#1463) [@tseeker] +- IO: Added IsAnyMouseDown() helper which is helpful for bindings to handle mouse capturing. +- Window: Clicking on a window with the ImGuiWIndowFlags_NoMove flags takes an ActiveId so we can't hover something else when dragging afterwards. (#1381, #1337) +- Window: IsWindowHovered(): Added ImGuiHoveredFlags_AnyWindow, ImGuiFocusedFlags_AnyWindow flags (See Breaking Changes). Added to demo. (#1382) +- Window: Added SetNextWindowBgAlpha() helper. Particularly helpful since the legacy 5-parameters version of Begin() has been marked as obsolete in 1.53. (#1567) +- Window: Fixed SetNextWindowContentSize() with 0.0f on Y axis (or SetNextWindowContentWidth()) overwriting the contents size. Got broken on Dec 10 (1.53). (#1363) +- ArrowButton: Added ArrowButton() given a cardinal direction (e.g. ImGuiDir_Left). +- InputText: Added alternative clipboard shortcuts: Shift+Delete (cut), CTRL+Insert (copy), Shift+Insert (paste). (#1541) +- InputText: Fixed losing Cursor X position when clicking outside on an item that's submitted after the InputText(). It was only noticeable when restoring focus programmatically. (#1418, #1554) +- InputText: Added ImGuiInputTextFlags_CharsScientific flag to also allow 'e'/'E' for input of values using scientific notation. Automatically used by InputFloat. +- Style: Default style is now StyleColorsDark(), instead of the old StyleColorsClassic(). (#707) +- Style: Enable window border by default. (#707) +- Style: Exposed ImGuiStyleVar_WindowTitleAlign, ImGuiStyleVar_ScrollbarSize, ImGuiStyleVar_ScrollbarRounding, ImGuiStyleVar_GrabRounding + added an assert to reduce accidental breakage. (#1181) +- Style: Added style.MouseCursorScale help when using the software mouse cursor facility. (#939). +- Style: Close button nows display a cross before hovering. Fixed cross positioning being a little off. Uses button colors for highlight when hovering. (#707) +- Popup: OpenPopup() Always reopen existing pop-ups. (Removed imgui_internal.h's OpenPopupEx() which was used for this.) (#1497, #1533). +- Popup: BeginPopupContextItem(), BeginPopupContextWindow(), BeginPopupContextVoid(), OpenPopupOnItemClick() all react on mouse release instead of mouse press. (~#439) +- Popup: Better handling of user mistakenly calling OpenPopup() every frame (with reopen_existing option). The error will now be more visible and easier to understand. (#1497) +- Popup: BeginPopup(): Exposed extra_flags parameter that are passed through to Begin(). (#1533) +- Popup: BeginPopupModal: fixed the conditional test for SetNextWindowPos() which was polling the wrong window, which in practice made the test succeed all the time. +- Tooltip: BeginTooltip() sets ImGuiWindowFlags_NoInputs flag. +- Scrollbar: Fixed ScrollbarY enable test after ScrollbarX has been enabled being a little off (small regression from Nov 2017). (#1574) +- Scrollbar: Fixed ScrollbarX enable test subtracting WindowPadding.x (this has been there since the addition of horizontal scroll bar!). +- Columns: Clear offsets data when columns count changed. (#1525) +- Columns: Fixed a memory leak of ImGuiColumnsSet's Columns vector. (#1529) [@unprompted] +- Columns: Fixed resizing a window very small breaking some columns positioning (broken in 1.53). +- Columns: The available column extent takes consideration of the right-most clipped pixel, so the right-most column may look a little wider but will contain the same amount of visible contents. +- MenuBar: Fixed menu bar pushing a clipping rect outside of its allocated bound (usually unnoticeable). +- TreeNode: nodes with the ImGuiTreeNodeFlags_Leaf flag correctly disable highlight when DragDrop is active. (#143, #581) +- Drag and Drop: Increased payload type string to 32 characters instead of 8. (#143) +- Drag and Drop: TreeNode as drop target displays rectangle over full frame. (#1597, #143) +- DragFloat: Fix/workaround for backends which do not preserve a valid mouse position when dragged out of bounds. (#1559) +- InputFloat: Allow inputing value using scientific notation e.g. "1e+10". +- InputDouble: Added InputDouble() function. We use a format string instead of a decimal_precision parameter to also for "%e" and variants. (#1011) +- Slider, Combo: Use ImGuiCol_FrameBgHovered color when hovered. (#1456) [@stfx] +- Combo: BeginCombo(): Added ImGuiComboFlags_NoArrowButton to disable the arrow button and only display the wide value preview box. +- Combo: BeginCombo(): Added ImGuiComboFlags_NoPreview to disable the preview and only display a square arrow button. +- Combo: Arrow button isn't displayed over frame background so its blended color matches other buttons. Left side of the button isn't rounded. +- PlotLines: plot a flat line if scale_min==scale_max. (#1621) +- Fonts: Changed DisplayOffset.y to defaults to 0 instead of +1. Fixed rounding of Ascent/Descent to match TrueType renderer. + If you were adding or subtracting (not assigning) to ImFont::DisplayOffset check if your fonts are correctly aligned vertically. (#1619) +- Fonts: Updated stb_truetype from 1.14 to stb_truetype 1.19. (w/ include fix from some platforms #1622) +- Fonts: Added optional FreeType rasterizer in misc/freetype. Moved from imgui_club repo. (#618) [@Vuhdo, @mikesart, @ocornut] +- Fonts: Moved extra_fonts/ to misc/fonts/. +- ImFontAtlas: Fixed cfg.MergeMode not reusing existing glyphs if available (always overwrote). +- ImFontAtlas: Handle stb_truetype stbtt_InitFont() and stbtt_PackBegin() possible failures more gracefully, GetTexDataAsRGBA32() won't crash during conversion. (#1527) +- ImFontAtlas: Moved mouse cursor data out of ImGuiContext, fix drawing them with multiple contexts. Also remove the last remaining undesirable dependency on ImGui in imgui_draw.cpp. (#939) +- ImFontAtlas: Added ImFontAtlasFlags_NoPowerOfTwoHeight flag to disable padding font height to nearest power of two. (#1613) +- ImFontAtlas: Added ImFontAtlasFlags_NoMouseCursors flag to disable baking software mouse cursors, mostly to save texture memory on very low end hardware. (#1613) +- ImDrawList: Fixed AddRect() with anti-aliasing disabled (lower-right corner pixel was often missing, rounding looks a little better.) (#1646) +- ImDrawList: Added CloneOutput() helper to facilitate the cloning of ImDrawData or ImDrawList for multi-threaded rendering. +- Misc: Functions passed to libc qsort are explicitly marked cdecl to support compiling with vectorcall as the default calling convention. (#1230, #1611) [@RandyGaul] +- Misc: ImVec2: added [] operator. This is becoming desirable for some code working of either axes independently. Better adding it sooner than later. +- Misc: NewFrame(): Added an assert to detect incorrect filling of the io.KeyMap[] array earlier. (#1555) +- Misc: Added IM_OFFSETOF() helper in imgui.h (previously was in imgui_internal.h) +- Misc: Added IM_NEW(), IM_DELETE() helpers in imgui.h (previously were in imgui_internal.h) +- Misc: Added obsolete redirection function GetItemsLineHeightWithSpacing() (which redirects to GetFrameHeightWithSpacing()), as intended and stated in docs of 1.53. +- Misc: Added misc/natvis/imgui.natvis for visual studio debugger users to easily visualize imgui internal types. Added to examples projects. +- Misc: Added IMGUI_USER_CONFIG to define a custom configuration filename. (#255, #1573, #1144, #41) +- Misc: Added IMGUI_STB_TRUETYPE_FILENAME and IMGUI_STB_RECT_PACK_FILENAME compile time directives to use another version of the stb_ files. +- Misc: Updated stb_rect_pack from 0.10 to 0.11 (minor changes). + (Those flags are not used by ImGui itself, they only exists to make it easy for the engine/backend to pass information to the application in a standard manner.) +- Metrics: Added display of Columns state. +- Demo: Improved Selectable() examples. (#1528) +- Demo: Tweaked the Child demos, added a menu bar to the second child to test some navigation functions. +- Demo: Console: Using ImGuiCol_Text to be more friendly to color changes. +- Demo: Using IM_COL32() instead of ImColor() in ImDrawList centric contexts. Trying to phase out use of the ImColor helper whenever possible. +- Examples: Files in examples/ now include their own changelog so it is easier to occasionally update your bindings if needed. +- Examples: Using Dark theme by default. (#707). Tweaked demo code. +- Examples: Added support for horizontal mouse wheel for API that allows it. (#1463) [@tseeker] +- Examples: All examples now setup the io.BackendFlags to signify they can honor mouse cursors, gamepad, etc. +- Examples: DirectX10: Fixed erroneous call to io.Fonts->ClearInputData() + ClearTexData() that was left in DX10 example but removed in 1.47 (Nov 2015) in every other backends. (#1733) +- Examples: DirectX12: Added DirectX 12 example. (#301) [@jdm3] +- Examples: OpenGL3+GLFW,SDL: Changed GLSL shader version from 330 to 150. (#1466, #1504) +- Examples: OpenGL3+GLFW,SDL: Added a way to override the GLSL version string in the Init function. (#1466, #1504). +- Examples: OpenGL3+GLFW,SDL: Creating VAO in the render function so it can be more easily used by multiple shared OpenGL contexts. (#1217) +- Examples: OpenGL3+GLFW: Using 3.2 context instead of 3.3. (#1466) +- Examples: OpenGL: Setting up glPixelStorei() explicitly before uploading texture. +- Examples: OpenGL: Calls to glPolygonMode() are casting parameters as GLEnum to not fail with more strict bindings. (#1628) [@ilia-glushchenko] +- Examples: Win32 (DirectX9,10,11,12): Added support for mouse cursor shapes. (#1495) +- Examples: Win32 (DirectX9,10,11,12: Support for windows using the CS_DBLCLKS class flag by handling the double-click messages (WM_LBUTTONDBLCLK etc.). (#1538, #754) [@ndandoulakis] +- Examples: Win32 (DirectX9,10,11,12): Made the Win32 proc handlers not assert if there is no active context yet, to be more flexible with creation order. (#1565) +- Examples: GLFW: Added support for mouse cursor shapes (the diagonal resize cursors are unfortunately not supported by GLFW at the moment. (#1495) +- Examples: GLFW: Don't attempt to change the mouse cursor input mode if it is set to GLFW_CURSOR_DISABLED by the application. (#1202) [@PhilCK] +- Examples: SDL: Added support for mouse cursor shapes. (#1626) [@olls] +- Examples: SDL: Using SDL_CaptureMouse() to retrieve coordinates outside of client area when dragging (SDL 2.0.4+ only, otherwise using SDL_WINDOW_INPUT_FOCUS instead of previously SDL_WINDOW_MOUSE_FOCUS). (#1559) +- Examples: SDL: Enabled vsync by default so people don't come at us when the examples are running at 2000 FPS and burning a CPU core. +- Examples: SDL: Using SDL_GetPerformanceCounter() / SDL_GetPerformanceFrequency() to handle frame-rate over 1000 FPS properly. (#996) +- Examples: SDL: Using scan-code exclusively instead of a confusing mixture of scan-codes and key-codes. +- Examples: SDL: Visual Studio: Added .vcxproj file. Using %SDL2_DIR% in the default .vcxproj and build files instead of %SDL_DIR%, the earlier being more standard. +- Examples: Vulkan: Visual Studio: Added .vcxproj file. +- Examples: Apple: Fixed filenames in OSX xcode project. Various other Mac friendly fixes. [@gerryhernandez etc.] +- Examples: Visual Studio: Disabled extraneous function-level check in Release build. +- Various fixes, tweaks, internal refactoring, optimizations, comments. + + +----------------------------------------------------------------------- + VERSION 1.53 (Released 2017-12-25) +----------------------------------------------------------------------- + +Decorated log: https://github.com/ocornut/imgui/releases/tag/v1.53 + +Breaking Changes: + +- Renamed the emblematic `ShowTestWindow()` function to `ShowDemoWindow()`. Kept redirection function (will obsolete). +- Renamed `GetItemsLineHeightWithSpacing()` to `GetFrameHeightWithSpacing()` for consistency. Kept redirection function (will obsolete). +- Renamed `ImGuiTreeNodeFlags_AllowOverlapMode` flag to `ImGuiTreeNodeFlags_AllowItemOverlap`. Kept redirection enum (will obsolete). +- Obsoleted `IsRootWindowFocused()` in favor of using `IsWindowFocused(ImGuiFocusedFlags_RootWindow)`. Kept redirection function (will obsolete). (#1382) +- Obsoleted `IsRootWindowOrAnyChildFocused()` in favor of using `IsWindowFocused(ImGuiFocusedFlags_RootAndChildWindows)`. Kept redirection function (will obsolete). (#1382) +- Obsoleted `IsRootWindowOrAnyChildHovered()` in favor of using `IsWindowHovered(ImGuiHoveredFlags_RootAndChildWindows)`. Kept redirection function (will obsolete). (#1382) +- Obsoleted `SetNextWindowContentWidth() in favor of using `SetNextWindowContentSize()`. Kept redirection function (will obsolete). +- Renamed `ImGuiTextBuffer::append()` helper to `appendf()`, and `appendv()` to `appendfv()` for consistency. If you copied the 'Log' demo in your code, it uses appendv() so that needs to be renamed. +- ImDrawList: Removed 'bool anti_aliased = true' final parameter of `ImDrawList::AddPolyline()` and `ImDrawList::AddConvexPolyFilled()`. Prefer manipulating ImDrawList::Flags if you need to toggle them during the frame. +- Style, ImDrawList: Renamed `style.AntiAliasedShapes` to `style.AntiAliasedFill` for consistency and as a way to explicitly break code that manipulate those flag at runtime. You can now manipulate ImDrawList::Flags. +- Style, Begin: Removed `ImGuiWindowFlags_ShowBorders` window flag. Borders are now fully set up in the ImGuiStyle structure (see e.g. `style.FrameBorderSize`, `style.WindowBorderSize`, `style.PopupBorderSize`). + Use `ImGui::ShowStyleEditor()` to look them up. + Please note that the style system will keep evolving (hopefully stabilizing in Q1 2018), and so custom styles will probably subtly break over time. + It is recommended that you use the `StyleColorsClassic()`, `StyleColorsDark()`, `StyleColorsLight()` functions. Also see `ShowStyleSelector()`. +- Style: Removed `ImGuiCol_ComboBg` in favor of combo boxes using `ImGuiCol_PopupBg` for consistency. Combo are normal pop-ups. +- Style: Renamed `ImGuiCol_ChildWindowBg` to `ImGuiCol_ChildBg`. +- Style: Renamed `style.ChildWindowRounding` to `style.ChildRounding`, `ImGuiStyleVar_ChildWindowRounding` to `ImGuiStyleVar_ChildRounding`. +- Removed obsolete redirection functions: SetScrollPosHere() - marked obsolete in v1.42, July 2015. +- Removed obsolete redirection functions: GetWindowFont(), GetWindowFontSize() - marked obsolete in v1.48, March 2016. + +Other Changes: + +- Added `io.OptCursorBlink` option to allow disabling cursor blinking. (#1427) [renamed to io.ConfigCursorBlink in 1.63] +- Added `GetOverlayDrawList()` helper to quickly get access to a ImDrawList that will be rendered in front of every windows. +- Added `GetFrameHeight()` helper which returns `(FontSize + style.FramePadding.y * 2)`. +- Drag and Drop: Added Beta API to easily use drag and drop patterns between imgui widgets. + - Setup a source on a widget with `BeginDragDropSource()`, `SetDragDropPayload()`, `EndDragDropSource()` functions. + - Receive data with `BeginDragDropTarget()`, `AcceptDragDropPayload()`, `EndDragDropTarget()`. + - See ImGuiDragDropFlags for various options. + - The ColorEdit4() and ColorButton() widgets now support Drag and Drop. + - The API is tagged as Beta as it still may be subject to small changes. +- Drag and Drop: When drag and drop is active, tree nodes and collapsing header can be opened by hovering on them for 0.7 seconds. +- Renamed io.OSXBehaviors to io.OptMacOSXBehaviors. Should not affect users as the compile-time default is usually enough. (#473, #650) +- Style: Added StyleColorsDark() style. (#707) [@dougbinks] +- Style: Added StyleColorsLight() style. Best used with frame borders + thicker font than the default font. (#707) +- Style: Added style.PopupRounding setting. (#1112) +- Style: Added style.FrameBorderSize, style.WindowBorderSize, style.PopupBorderSize. Removed ImGuiWindowFlags_ShowBorders window flag! + Borders are now fully set up in the ImGuiStyle structure. Use ImGui::ShowStyleEditor() to look them up. (#707, fix #819, #1031) +- Style: Various small changes to the classic style (most noticeably, buttons are now using blue shades). (#707) +- Style: Renamed ImGuiCol_ChildWindowBg to ImGuiCol_ChildBg. +- Style: Renamed style.ChildWindowRounding to style.ChildRounding, ImGuiStyleVar_ChildWindowRounding to ImGuiStyleVar_ChildRounding. +- Style: Removed ImGuiCol_ComboBg in favor of combo boxes using ImGuiCol_PopupBg for consistency. (#707) +- Style: Made the ScaleAllSizes() helper rounds down every values so they are aligned on integers. +- Focus: Added SetItemDefaultFocus(), which in the current (master) branch behave the same as doing `if (IsWindowAppearing()) SetScrollHere()`. + In the navigation branch this will also set the default focus. Prefer using this when creating combo boxes with `BeginCombo()` so your code will be forward-compatible with gamepad/keyboard navigation features. (#787) +- Combo: Pop-up grows horizontally to accommodate for contents that is larger then the parent combo button. +- Combo: Added BeginCombo()/EndCombo() API which allows use to submit content of any form and manage your selection state without relying on indices. +- Combo: Added ImGuiComboFlags_PopupAlignLeft flag to BeginCombo() to prioritize keeping the pop-up on the left side (for small-button-looking combos). +- Combo: Added ImGuiComboFlags_HeightSmall, ImGuiComboFlags_HeightLarge, ImGuiComboFlags_HeightLargest to easily provide desired pop-up height. +- Combo: You can use SetNextWindowSizeConstraints() before BeginCombo() to specify specific pop-up width/height constraints. +- Combo: Offset popup position by border size so that a double border isn't so visible. (#707) +- Combo: Recycling windows by using a stack number instead of a unique id, wasting less memory (like menus do). +- InputText: Added ImGuiInputTextFlags_NoUndoRedo flag. (#1506, #1508) [@ibachar] +- Window: Fixed auto-resize allocating too much space for scrollbar when SizeContents is bigger than maximum window size (fixes c0547d3). (#1417) +- Window: Child windows with MenuBar use regular WindowPadding.y so layout look consistent as child or as a regular window. +- Window: Begin(): Fixed appending into a child window with a second Begin() from a different window stack querying the wrong window for the window->Collapsed test. +- Window: Calling IsItemActive(), IsItemHovered() etc. after a call to Begin() provides item data for the title bar, so you can easily test if the title bar is being hovered, etc. (#823) +- Window: Made it possible to use SetNextWindowPos() on a child window. +- Window: Fixed a one frame glitch. When an appearing window claimed the focus themselves, the title bar wouldn't use the focused color for one frame. +- Window: Added ImGuiWindowFlags_ResizeFromAnySide flag to resize from any borders or from the lower-left corner of a window. This requires your backend to honor GetMouseCursor() requests for full usability. (#822) +- Window: Sizing fixes when using SetNextWindowSize() on individual axises. +- Window: Hide new window for one frame until they calculate their size. Also fixes SetNextWindowPos() given a non-zero pivot. (#1694) +- Window: Made mouse wheel scrolling accommodate better to windows that are smaller than the scroll step. +- Window: SetNextWindowContentSize() adjust for the size of decorations (title bar/menu bar), but _not_ for borders are we consistently make borders not affect layout. + If you need a non-child window of an exact size with border enabled but zero window padding, you'll need to accommodate for the border size yourself. +- Window: Using the ImGuiWindowFlags_NoScrollWithMouse flag on a child window forwards the mouse wheel event to the parent window, unless either ImGuiWindowFlags_NoInputs or ImGuiWindowFlags_NoScrollbar are also set. (#1380, #1502) +- Window: Active Modal window always set the WantCaptureKeyboard flag. (#744) +- Window: Moving window doesn't use accumulating MouseDelta so straying out of imgui boundaries keeps moved imgui window at the same cursor-relative position. +- IsWindowFocused(): Added ImGuiFocusedFlags_ChildWindows flag to include child windows in the focused test. (#1382). +- IsWindowFocused(): Added ImGuiFocusedFlags_RootWindow flag to start focused test from the root (top-most) window. Obsolete IsRootWindowFocused(). (#1382) +- IsWindowHovered(): Added ImGuiHoveredFlags_ChildWindows flag to include child windows in the hovered test. (#1382). +- IsWindowHovered(): Added ImGuiHoveredFlags_RootWindow flag to start hovered test from the root (top-most) window. The combination of both flags obsoletes IsRootWindowOrAnyChildHovered(). (#1382) +- IsWindowHovered(): Fixed return value when an item is active to use the same logic as IsItemHovered(). (#1382, #1404) +- IsWindowHovered(): Always return true when current window is being moved. (#1382) +- Scrollbar: Fixed issues with vertical scrollbar flickering/appearing, typically when manually resizing and using a pattern of filling available height (e.g. full sized BeginChild). +- Scrollbar: Minor graphical fix for when scrollbar don't have enough visible space to display the full grab. +- Scrolling: Fixed padding and scrolling asymmetry where lower/right sides of a window wouldn't use WindowPadding properly + causing minor scrolling glitches. +- Tree: TreePush with zero arguments was ambiguous. Resolved by making it call TreePush(const void*). [@JasonWilkins] +- Tree: Renamed ImGuiTreeNodeFlags_AllowOverlapMode to ImGuiTreeNodeFlags_AllowItemOverlap. (#600, #1330) +- MenuBar: Fixed minor rendering issues on the right size when resizing a window very small and using rounded window corners. +- MenuBar: better software clipping to handle small windows, in particular child window don't have minimum constraints so we need to render clipped menus better. +- BeginMenu(): Tweaked the Arrow/Triangle displayed on child menu items. +- Columns: Clipping columns borders on Y axis on CPU because some Linux GPU drivers appears to be unhappy with triangle spanning large regions. (#125) +- Columns: Added ImGuiColumnsFlags_GrowParentContentsSize to internal API to restore old content sizes behavior (may be obsolete). (#1444, #125) +- Columns: Columns width is no longer lost when dragging a column to the right side of the window, until releasing the mouse button you have a chance to save them. (#1499, #125). [@ggtucker] +- Columns: Fixed dragging when using a same of columns multiple times in the frame. (#125) +- Indent(), Unindent(): Allow passing negative values. +- ColorEdit4(): Made IsItemActive() return true when picker pop-up is active. (#1489) +- ColorEdit4(): Tweaked tooltip so that the color button aligns more correctly with text. +- ColorEdit4(): Support drag and drop. Color buttons can be used as drag sources, and ColorEdit widgets as drag targets. (#143) +- ColorPicker4(): Fixed continuously returning true when holding mouse button on the sat/value/alpha locations. We only return true on value change. (#1489) +- NewFrame(): using literal strings in the most-frequently firing IM_ASSERT expressions to increase the odd of programmers seeing them (especially those who don't use a debugger). +- NewFrame() now asserts if neither Render or EndFrame have been called. Exposed EndFrame(). Made it legal to call EndFrame() more than one. (#1423) +- ImGuiStorage: Added BuildSortByKey() helper to rebuild storage from scratch. +- ImFont: Added GetDebugName() helper. +- ImFontAtlas: Added missing Thai punctuation in the GetGlyphRangesThai() ranges. (#1396) [@nProtect] +- ImDrawList: Removed 'bool anti_aliased = true' final parameter of ImDrawList::AddPolyline() and ImDrawList::AddConvexPolyFilled(). Anti-aliasing is controlled via the regular style.AntiAliased flags. +- ImDrawList: Added ImDrawList::AddImageRounded() helper. (#845) [@thedmd] +- ImDrawList: Refactored to make ImDrawList independent of ImGui. Removed static variable in PathArcToFast() which caused linking issues to some. +- ImDrawList: Exposed ImDrawCornerFlags, replaced occurrences of ~0 with an explicit ImDrawCornerFlags_All. NB: Inversed BotLeft (prev 1<<3, now 1<<2) and BotRight (prev 1<<2, now 1<<3). +- ImVector: Added ImVector::push_front() helper. +- ImVector: Added ImVector::contains() helper. +- ImVector: insert() uses grow_capacity() instead of using grow policy inconsistent with push_back(). +- Internals: Remove requirement to define IMGUI_DEFINE_PLACEMENT_NEW to use the IM_PLACEMENT_NEW macro. (#1103) +- Internals: ButtonBehavior: Fixed ImGuiButtonFlags_NoHoldingActiveID flag from incorrectly setting the ActiveIdClickOffset field. + This had no known effect within imgui code but could have affected custom drag and drop patterns. And it is more correct this way! (#1418) +- Internals: ButtonBehavior: Fixed ImGuiButtonFlags_AllowOverlapMode to avoid temporarily activating widgets on click before they have been correctly double-hovered. (#319, #600) +- Internals: Added SplitterBehavior() helper. (#319) +- Internals: Added IM_NEW(), IM_DELETE() helpers. (#484, #504, #1517) +- Internals: Basic refactor of the settings API which now allows external elements to be loaded/saved. +- Demo: Added ShowFontSelector() showing loaded fonts. +- Demo: Added ShowStyleSelector() to select among default styles. (#707) +- Demo: Renamed the emblematic ShowTestWindow() function to ShowDemoWindow(). +- Demo: Style Editor: Added a "Simplified settings" sections with check-boxes for border size and frame rounding. (#707, #1019) +- Demo: Style Editor: Added combo box to select stock styles and select current font when multiple are loaded. (#707) +- Demo: Style Editor: Using local storage so Save/Revert button makes more sense without code passing its storage. Added horizontal scroll bar. Fixed Save/Revert button to be always accessible. (#1211) +- Demo: Console: Fixed context menu issue. (#1404) +- Demo: Console: Fixed incorrect positioning which was hidden by a minor scroll issue (this would affect people who copied the Console code as is). +- Demo: Constrained Resize: Added more test cases. (#1417) +- Demo: Custom Rendering: Fixed clipping rectangle extruding out of parent window. +- Demo: Layout: Removed unnecessary and misleading BeginChild/EndChild calls. +- Demo: The "Color Picker with Palette" demo supports drag and drop. (#143) +- Demo: Display better mouse cursor info for debugging backends. +- Demo: Stopped using rand() function in demo code. +- Examples: Added a handful of extra comments (about fonts, third-party libraries used in the examples, etc.). +- Examples: DirectX9: Handle loss of D3D9 device (D3DERR_DEVICELOST). (#1464) +- Examples: Added null_example/ which is helpful for quick testing on multiple compilers/settings without relying on graphics library. +- Fix for using alloca() in "Clang with Microsoft Codechain" mode. +- Various fixes, optimizations, comments. + + +----------------------------------------------------------------------- + VERSION 1.52 (2017-10-27) +----------------------------------------------------------------------- + +Decorated log: https://github.com/ocornut/imgui/releases/tag/v1.52 + +Breaking Changes: + +- IO: `io.MousePos` needs to be set to ImVec2(-FLT_MAX,-FLT_MAX) when mouse is unavailable/missing, instead of ImVec2(-1,-1) as previously) This is needed so we can clear `io.MouseDelta` field when the mouse is made available again. +- Renamed `AlignFirstTextHeightToWidgets()` to `AlignTextToFramePadding()`. Kept inline redirection function (will obsolete). +- Obsoleted the legacy 5 parameters version of Begin(). Please avoid using it. If you need a transparent window background, uses `PushStyleColor()`. The old size parameter there was also misleading and equivalent to calling `SetNextWindowSize(size, ImGuiCond_FirstTimeEver)`. Kept inline redirection function (will obsolete). +- Obsoleted `IsItemHoveredRect()`, `IsMouseHoveringWindow()` in favor of using the newly introduced flags of `IsItemHovered()` and `IsWindowHovered()`. Kept inline redirection function (will obsolete). (#1382) +- Obsoleted 'SetNextWindowPosCenter()' in favor of using 1SetNextWindowPos()` with a pivot value which allows to do the same and more. Keep inline redirection function. +- Removed `IsItemRectHovered()`, `IsWindowRectHovered()` recently introduced in 1.51 which were merely the more consistent/correct names for the above functions which are now obsolete anyway. (#1382) +- Changed `IsWindowHovered()` default parameters behavior to return false if an item is active in another window (e.g. click-dragging item from another window to this window). You can use the newly introduced IsWindowHovered() flags to requests this specific behavior if you need it. (#1382) +- Renamed imconfig.h's `IMGUI_DISABLE_WIN32_DEFAULT_CLIPBOARD_FUNCS`/`IMGUI_DISABLE_WIN32_DEFAULT_IME_FUNCS` to `IMGUI_DISABLE_WIN32_DEFAULT_CLIPBOARD_FUNCTIONS`/`IMGUI_DISABLE_WIN32_DEFAULT_IME_FUNCTIONS` for consistency. +- Renamed ImFont::Glyph to ImFontGlyph. Kept redirection typedef (will obsolete). + +Other Changes: + +- ProgressBar: fixed rendering when straddling rounded area. (#1296) +- SliderFloat, DragFloat: Using scientific notation e.g. "%.1e" in the displayed format string doesn't mistakenly trigger rounding of the value. [@MomentsInGraphics] +- Combo, InputFloat, InputInt: Made the small button on the right side align properly with the equivalent colored button of ColorEdit4(). +- IO: Tweaked logic for `io.WantCaptureMouse` so it now outputs false when e.g. hovering over void while an InputText() is active. (#621) [@pdoane] +- IO: Fixed `io.WantTextInput` from mistakenly outputting true when an activated Drag or Slider was previously turned into an InputText(). (#1317) +- Misc: Added flags to `IsItemHovered()`, `IsWindowHovered()` to access advanced hovering-test behavior. Generally useful for pop-ups and drag and drop behaviors: (relates to ~#439, #1013, #143, #925) + - `ImGuiHoveredFlags_AllowWhenBlockedByPopup` + - `ImGuiHoveredFlags_AllowWhenBlockedByActiveItem` + - `ImGuiHoveredFlags_AllowWhenOverlapped` + - `ImGuiHoveredFlags_RectOnly` +- Input: Added `IsMousePosValid()` helper. +- Input: Added `GetKeyPressedAmount()` to easily measure press count when the repeat rate is faster than the frame rate. +- Input/Focus: Disabled TAB and Shift+TAB when CTRL key is held. +- CheckBox: Now rendering a tick mark instead of a full square. +- ColorEdit4: Added "Copy as..." option in context menu. (#346) +- ColorPicker: Improved ColorPicker hue wheel color interpolation. (#1313) [@thevaber] +- ColorButton: Reduced bordering artifact that would be particularly visible with an opaque Col_FrameBg and FrameRounding enabled. +- ColorButton: Fixed rendering color button with a checkerboard if the transparency comes from the global style.Alpha and not from the actual source color. +- TreeNode: Added `ImGuiTreeNodeFlags_FramePadding` flag to conveniently create a tree node with full padding at the beginning of a line, without having to call `AlignTextToFramePadding()`. +- Trees: Fixed calling `SetNextTreeNodeOpen()` on a collapsed window leaking to the first tree node item of the next frame. +- Layout: Horizontal layout is automatically enforced in a menu bar, so you can use non-MenuItem elements without calling SameLine(). +- Separator: Output a vertical separator when used inside a menu bar (or in general when horizontal layout is active, but that isn't exposed yet!). +- Window: Added `IsWindowAppearing()` helper (helpful e.g. as a condition before initializing some of your own things.). +- Window: Added pivot parameter to `SetNextWindowPos()`, making it possible to center or right align a window. Obsoleted `SetNextWindowPosCenter()`. +- Window: Fixed title bar color of top-most window under a modal window. +- Window: Fixed not being able to move a window by clicking on one of its child window. (#1337, #635) +- Window: Fixed `Begin()` auto-fit calculation code that predict the presence of a scrollbar so it works better when window size constraints are used. +- Window: Fixed calling `Begin()` more than once per frame setting `window_just_activated_by_user` which in turn would set enable the Appearing condition for that frame. +- Window: The implicit "Debug" window now uses a "Debug##Default" identifier instead of "Debug" to allow user creating a window called "Debug" without losing their custom flags. +- Window: Made the `ImGuiWindowFlags_NoMove` flag properly inherited from parent to child. In a setup with ParentWindow (no flag) -> Child (NoMove) -> SubChild (no flag), the user won't be able to move the parent window by clicking on SubChild. (#1381) +- Popups: Pop-ups can be closed with a right-click anywhere, without altering focus under the pop-up. (~#439) +- Popups: `BeginPopupContextItem()`, `BeginPopupContextWindow()` are now setup to allow reopening a context menu by right-clicking again. (~#439) +- Popups: `BeginPopupContextItem()` now supports a NULL string identifier and uses the last item ID if available. +- Popups: Added `OpenPopupOnItemClick()` helper which mimic `BeginPopupContextItem()` but doesn't do the BeginPopup(). +- MenuItem: Only activating on mouse release. [@Urmeli0815] (was already fixed in nav branch). +- MenuItem: Made tick mark thicker (thick mark?). +- MenuItem: Tweaks to be usable inside a menu bar (nb: it looks like a regular menu and thus is misleading, prefer using Button() and regular widgets in menu bar if you need to). (#1387) +- ImDrawList: Fixed a rare draw call merging bug which could lead to undisplayed triangles. (#1172, #1368) +- ImDrawList: Fixed a rare bug in `ChannelsMerge()` when all contents has been clipped, leading to an extraneous draw call being created. (#1172, #1368) +- ImFont: Added `AddGlyph()` building helper for use by custom atlas builders. +- ImFontAtlas: Added support for CustomRect API to submit custom rectangles to be packed into the atlas. You can map them as font glyphs, or use them for custom purposes. + After the atlas is built you can query the position of your rectangles in the texture and then copy your data there. You can use this features to create e.g. full color font-mapped icons. +- ImFontAtlas: Fixed fall-back handling when merging fonts, if a glyph was missing from the second font input it could have used a glyph from the first one. (#1349) [@inolen] +- ImFontAtlas: Fixed memory leak on build failure case when stbtt_InitFont failed (generally due to incorrect or supported font type). (#1391) (@Moka42) +- ImFontConfig: Added `RasterizerMultiply` option to alter the brightness of individual fonts at rasterization time, which may help increasing readability for some. +- ImFontConfig: Added `RasterizerFlags` to pass options to custom rasterizer (e.g. the [imgui_freetype](https://github.com/ocornut/imgui_club/tree/master/imgui_freetype) rasterizer in imgui_club has such options). +- ImVector: added resize() variant with initialization value. +- Misc: Changed the internal name formatting of child windows identifier to use slashes (instead of dots) as separator, more readable. +- Misc: Fixed compilation with `IMGUI_DISABLE_OBSOLETE_FUNCTIONS` defined. +- Misc: Marked all format+va_list functions with format attribute so GCC/Clang can warn about misuses. +- Misc: Fixed compilation on NetBSD due to missing alloca.h (#1319) [@RyuKojiro] +- Misc: Improved warnings compilation for newer versions of Clang. (#1324) (@waywardmonkeys) +- Misc: Added `io.WantMoveMouse flags` (from Nav branch) and honored in Examples applications. Currently unused but trying to spread Examples applications code that supports it. +- Misc: Added `IMGUI_DISABLE_FORMAT_STRING_FUNCTIONS` support in imconfig.h to allow user reimplementing the `ImFormatString()` functions e.g. to use stb_printf(). (#1038) +- Misc: [Windows] Fixed default Win32 `SetClipboardText()` handler leaving the Win32 clipboard handler unclosed on failure. [@pdoane] +- Style: Added `ImGuiStyle::ScaleAllSizes(float)` helper to make it easier to have application transition e.g. from low to high DPI with a matching style. +- Metrics: Draw window bounding boxes when hovering Pos/Size; List all draw layers; Trimming empty commands like Render() does. +- Examples: OpenGL3: Save and restore sampler state. (#1145) [@nlguillemot] +- Examples: OpenGL2, OpenGL3: Save and restore polygon mode. (#1307) [@JJscott] +- Examples: DirectX11: Allow creating device with feature level 10 since we don't really need much for that example. (#1333) +- Examples: DirectX9/10/12: Using the Win32 SetCapture/ReleaseCapture API to read mouse coordinates when they are out of bounds. (#1375) [@Gargaj, @ocornut] +- Tools: Fixed binary_to_compressed_c tool to return 0 when successful. (#1350) [@benvanik] +- Internals: Exposed more helpers and unfinished features in imgui_internal.h. (use at your own risk!). +- Internals: A bunch of internal refactoring, hopefully haven't broken anything! Merged a bunch of internal changes from the upcoming Navigation branch. +- Various tweaks, fixes and documentation changes. + +Beta Navigation Branch: +(Lots of work has been done toward merging the Beta Gamepad/Keyboard Navigation branch (#787) in master.) +(Please note that this branch is always kept up to date with master. If you are using the navigation branch, some of the changes include:) +- Nav: Added `#define IMGUI_HAS_NAV` in imgui.h to ease sharing code between both branches. (#787) +- Nav: MainMenuBar now releases focus when user gets out of the menu layer. (#787) +- Nav: When applying focus to a window with only menus, the menu layer is automatically activated. (#787) +- Nav: Added `ImGuiNavInput_KeyMenu` (~Alt key) aside from ImGuiNavInput_PadMenu input as it is one differentiator of pad vs keyboard that was detrimental to the keyboard experience. Although isn't officially supported, it makes the current experience better. (#787) +- Nav: Move requests now wrap vertically inside Menus and Pop-ups. (#787) +- Nav: Allow to collapse tree nodes with NavLeft and open them with NavRight. (#787, #1079). +- Nav: It's now possible to navigate sibling of a menu-bar while navigating inside one of their child. If a Left<>Right navigation request fails to find a match we forward the request to the root menu. (#787, #126) +- Nav: Fixed `SetItemDefaultFocus` from stealing default focus when we are initializing default focus for a menu bar layer. (#787) +- Nav: Support for fall-back horizontal scrolling with PadLeft/PadRight (nb: fall-back scrolling is only used to navigate windows that have no interactive items). (#787) +- Nav: Fixed tool-tip from being selectable in the window selection list. (#787) +- Nav: `CollapsingHeader(bool*)` variant: fixed for `IsItemHovered()` not working properly in the nav branch. (#600, #787) +- Nav: InputText: Fixed using Up/Down history callback feature when Nav is enabled. (#787) +- Nav: InputTextMultiline: Fixed navigation/selection. Disabled selecting all when activating a multi-line text editor. (#787) +- Nav: More consistently drawing a (thin) navigation rectangle hover filled frames such as tree nodes, collapsing header, menus. (#787) +- Nav: Various internal refactoring. + + +----------------------------------------------------------------------- + VERSION 1.51 (2017-08-24) +----------------------------------------------------------------------- + +Decorated log: https://github.com/ocornut/imgui/releases/tag/v1.51 + +Breaking Changes: + +Work on dear imgui has been gradually resuming. It means that fixes and new features should be tackled at a faster rate than last year. However, in order to move forward with the library and get rid of some cruft, I have taken the liberty to be a little bit more aggressive than usual with API breaking changes. Read the details below and search for those names in your code! In the grand scheme of things, those changes are small and should not affect everyone, but this is technically our most aggressive release so far in term of API breakage. If you want to be extra forward-facing, you can enable `#define IMGUI_DISABLE_OBSOLETE_FUNCTIONS` in your imconfig.h to disable the obsolete names/redirection. + +- Renamed `IsItemHoveredRect()` to `IsItemRectHovered()`. Kept inline redirection function (will obsolete). +- Renamed `IsMouseHoveringWindow()` to `IsWindowRectHovered()` for consistency. Kept inline redirection function (will obsolete). +- Renamed `IsMouseHoveringAnyWindow()` to `IsAnyWindowHovered()` for consistency. Kept inline redirection function (will obsolete). +- Renamed `ImGuiCol_Columns***` enums to `ImGuiCol_Separator***`. Kept redirection enums (will obsolete). +- Renamed `ImGuiSetCond***` types and enums to `ImGuiCond***`. Kept redirection enums (will obsolete). +- Renamed `GetStyleColName()` to `GetStyleColorName()` for consistency. Unlikely to be used by end-user! +- Added `PushStyleColor(ImGuiCol idx, ImU32 col)` overload, which _might_ cause an "ambiguous call" compilation error if you are using ImColor() with implicit cast. Cast to ImU32 or ImVec4 explicitly to fix. +- Marked the weird `IMGUI_ONCE_UPON_A_FRAME` helper macro as obsolete. Prefer using the more explicit `ImGuiOnceUponAFrame`. +- Changed `ColorEdit4(const char* label, float col[4], bool show_alpha = true)` signature to `ColorEdit4(const char* label, float col[4], ImGuiColorEditFlags flags = 0)`, where flags 0x01 is a safe no-op (hello dodgy backward compatibility!). The new `ColorEdit4`/`ColorPicker4` functions have lots of available flags! Check and run the demo window, under "Color/Picker Widgets", to understand the various new options. +- Changed signature of `ColorButton(ImVec4 col, bool small_height = false, bool outline_border = true)` to `ColorButton(const char* desc_id, ImVec4 col, ImGuiColorEditFlags flags = 0, ImVec2 size = ImVec2(0,0))`. This function was rarely used and was very dodgy (no explicit ID!). +- Changed `BeginPopupContextWindow(bool also_over_items=true, const char* str_id=NULL, int mouse_button=1)` signature to `(const char* str_id=NULL, int mouse_button=1, bool also_over_items=true)`. This is perhaps the most aggressive change in this update, but note that the majority of users relied on default parameters completely, so this will affect only a fraction of users of this already rarely used function. +- Removed `IsPosHoveringAnyWindow()`, which was partly broken and misleading. In the vast majority of cases, people using that function wanted to use `io.WantCaptureMouse` flag. Replaced with IM_ASSERT + comment redirecting user to `io.WantCaptureMouse`. (#1237) +- Removed the old `ValueColor()` helpers, they are equivalent to calling `Text(label)` + `SameLine()` + `ColorButton()`. +- Removed `ColorEditMode()` and `ImGuiColorEditMode` type in favor of `ImGuiColorEditFlags` and parameters to the various Color*() functions. The `SetColorEditOptions()` function allows to initialize default but the user can still change them with right-click context menu. Commenting out your old call to `ColorEditMode()` may just be fine! + +Other Changes: + +- Added flags to `ColorEdit3()`, `ColorEdit4()`. The color edit widget now has a context-menu and access to the color picker. (#346) +- Added flags to `ColorButton()`. (#346) +- Added `ColorPicker3()`, `ColorPicker4()`. The API along with those of the updated `ColorEdit4()` was designed so you may use them in various situation and hopefully compose your own picker if required. There are a bunch of available flags, check the Demo window and comment for `ImGuiColorEditFlags_`. Some of the options it supports are: two color picker types (hue bar + sat/val rectangle, hue wheel + rotating sat/val triangle), display as u8 or float, lifting 0.0..1.0 constraints (currently rgba only), context menus, alpha bar, background checkerboard options, preview tooltip, basic revert. For simple use, calling the existing `ColorEdit4()` function as you did before will be enough, as you can now open the color picker from there. (#346) [@r-lyeh, @nem0, @thennequin, @dariomanesku and @ocornut] +- Added `SetColorEditOptions()` to set default color options (e.g. if you want HSV over RGBA, float over u8, select a default picker mode etc. at startup time without a user intervention. Note that the user can still change options with the context menu unless disabled with `ImGuiColorFlags_NoOptions` or explicitly enforcing a display type/picker mode etc.). +- Added user-facing `IsPopupOpen()` function. (#891) [@mkeeter] +- Added `GetColorU32(u32)` variant that perform the style alpha multiply without a floating-point round trip, and helps makes code more consistent when using ImDrawList APIs. +- Added `PushStyleColor(ImGuiCol idx, ImU32 col)` overload. +- Added `GetStyleColorVec4(ImGuiCol idx)` which is equivalent to accessing `ImGui::GetStyle().Colors[idx]` (aka return the raw style color without alpha alteration). +- ImFontAtlas: Added `GlyphRangesBuilder` helper class, which makes it easier to build custom glyph ranges from your app/game localization data, or add into existing glyph ranges. +- ImFontAtlas: Added `TexGlyphPadding` option. (#1282) [@jadwallis] +- ImFontAtlas: Made it possible to override size of AddFontDefault() (even if it isn't really recommended!). +- ImDrawList: Added `GetClipRectMin()`, `GetClipRectMax()` helpers. +- Fixed Ini saving crash if the ImGuiWindowFlags_NoSavedSettings gets removed from a window after its creation (unlikely!). (#1000) +- Fixed `PushID()`/`PopID()` from marking parent window as Accessed (which needlessly woke up the root "Debug" window when used outside of a regular window). (#747) +- Fixed an assert when calling `CloseCurrentPopup()` twice in a row. [@nem0] +- Window size can be loaded from .ini data even if ImGuiWindowFlags_NoResize flag is set. (#1048, #1056) +- Columns: Added `SetColumnWidth()`. (#913) [@ggtucker] +- Columns: Dragging a column preserve its width by default. (#913) [@ggtucker] +- Columns: Fixed first column appearing wider than others. (#1266) +- Columns: Fixed allocating space on the right-most side with the assumption of a vertical scrollbar. The space is only allocated when needed. (#125, #913, #893, #1138) +- Columns: Fixed the right-most column from registering its content width to the parent window, which led to various issues when using auto-resizing window or e.g. horizontal scrolling. (#519, #125, #913) +- Columns: Refactored some of the columns code internally toward a better API (not yet exposed) + minor optimizations. (#913) [@ggtucker, @ocornut] +- Popups: Most pop-ups windows can be moved by the user after appearing (if they don't have explicit positions provided by caller, or e.g. sub-menu pop-up). The previous restriction was totally arbitrary. (#1252) +- Tooltip: `SetTooltip()` is expanded immediately into a window, honoring current font / styling setting. Add internal mechanism to override tooltips. (#862) +- PlotHistogram: bars are drawn based on zero-line, so negative values are going under. (#828) +- Scrolling: Fixed return values of `GetScrollMaxX()`, `GetScrollMaxY()` when both scrollbars were enabled. Tweak demo to display more data. (#1271) [@degracode] +- Scrolling: Fixes for Vertical Scrollbar not automatically getting enabled if enabled Horizontal Scrollbar straddle the vertical limit. (#1271, #246) +- Scrolling: `SetScrollHere()`, `SetScrollFromPosY()`: Fixed Y scroll aiming when Horizontal Scrollbar is enabled. (#665). +- [Windows] Clipboard: Fixed not closing Win32 clipboard on early open failure path. (#1264) +- Removed an unnecessary dependency on int64_t which failed on some older compilers. +- Demo: Rearranged everything under Widgets in a more consistent way. +- Demo: Columns: Added Horizontal Scrolling demo. Tweaked another Columns demo. (#519, #125, #913) +- Examples: OpenGL: Various makefiles for MINGW, Linux. (#1209, #1229, #1209) [@fr500, @acda] +- Examples: Enabled vsync by default in example applications, so it doesn't confuse people that the sample run at 2000+ fps and waste an entire CPU. (#1213, #1151). +- Various other small fixes, tweaks, comments, optimizations. + + +----------------------------------------------------------------------- + VERSION 1.50 (2017-06-02) +----------------------------------------------------------------------- + +Decorated log: https://github.com/ocornut/imgui/releases/tag/v1.50 + +Breaking Changes: + +- Added a void* user_data parameter to Clipboard function handlers. (#875) +- SameLine(x) with x>0.0f is now relative to left of column/group if any, and not always to left of window. This was sort of always the intent and hopefully breakage should be minimal. +- Renamed ImDrawList::PathFill() - rarely used directly - to ImDrawList::PathFillConvex() for clarity and consistency. +- Removed ImFontConfig::MergeGlyphCenterV in favor of a more multipurpose ImFontConfig::GlyphOffset. +- Style: style.WindowTitleAlign is now a ImVec2 (ImGuiAlign enum was removed). set to (0.5f,0.5f) for horizontal+vertical centering, (0.0f,0.0f) for upper-left, etc. +- BeginChild(const char*) now applies the stack id to the provided label, consistently with other functions as it should always have been. It shouldn't affect you unless (extremely unlikely) you were appending multiple times to a same child from different locations of the stack id. If that's the case, generate an id with GetId() and use it instead of passing string to BeginChild(). + +Other Changes: + +- InputText(): Added support for CTRL+Backspace (delete word). +- InputText(): OSX uses Super+Arrows for home/end. Add Shortcut+Backspace support. (#650) [@michaelbartnett] +- InputText(): Got rid of individual OSX-specific options in ImGuiIO, added a single io.OSXBehaviors flag. (#473, #650) +- InputText(): Fixed pressing home key on last character when it isn't a trailing \n (#588, #815) +- InputText(): Fixed state corruption/crash bug in stb_textedit.h redo logic when exhausting undo/redo char buffer. (#715. #681) +- InputTextMultiline(): Fixed CTRL+DownArrow moving scrolling out of bounds. +- InputTextMultiline(): Scrollbar fix for when input and latched internal buffers differs in a way that affects vertical scrollbar existence. (#725) +- ImFormatString(): Fixed an overflow handling bug with implementation of vsnprintf() that do not return -1. (#793) +- BeginChild(const char*) now applies stack id to provided label, consistent with other widgets. (#894, #713) +- SameLine() with explicit X position is relative to left of group/columns. (ref #746, #125, #630) +- SliderInt(), SliderFloat() supports reverse direction (where v_min > v_max). (#854) +- SliderInt(), SliderFloat() better support for when v_min==v_max. (#919) +- SliderInt(), SliderFloat() enforces writing back value when interacting, to be consistent with other widgets. (#919) +- SliderInt, SliderFloat(): Fixed edge case where style.GrabMinSize being bigger than slider width can lead to a division by zero. (#919) +- Added IsRectVisible() variation with explicit start-end positions. (#768) [@thedmd] +- Fixed TextUnformatted() clipping bug in the large-text path when horizontal scroll has been applied. (#692, #246) +- Fixed minor text clipping issue in window title when using font straying above usual line. (#699) +- Fixed SetCursorScreenPos() fixed not adjusting CursorMaxPos as well. +- Fixed scrolling offset when using SetScrollY(), SetScrollFromPosY(), SetScrollHere() with menu bar. +- Fixed using IsItemActive() after EndGroup() or any widget using groups. (#840, #479) +- Fixed IsItemActive() lagging by one frame on initial widget activation. (#840) +- Fixed Separator() zero-height bounding box resulting in clipping when laying exactly on top line of clipping rectangle (#860) +- Fixed PlotLines() PlotHistogram() calling with values_count == 0. +- Fixed clicking on a window's void while staying still overzealously marking .ini settings as dirty. (#923) +- Fixed assert triggering when a window has zero rendering but has a callback. (#810) +- Scrollbar: Fixed rendering when sizes are negative to reduce glitches (which can happen with certain style settings and zero WindowMinSize). +- EndGroup(): Made IsItemHovered() work when an item was activated within the group. (#849) +- BulletText(): Fixed stopping to display formatted string after the '##' mark. +- Closing the focused window restore focus to the first active root window in descending z-order .(part of #727) +- Word-wrapping: Fixed a bug where we never wrapped after a 1 character word. [@sronsse] +- Word-wrapping: Fixed TextWrapped() overriding wrap position if one is already set. (#690) +- Word-wrapping: Fixed incorrect testing for negative wrap coordinates, they are perfectly legal. (#706) +- ImGuiListClipper: Fixed automatic-height calc path dumbly having user display element 0 twice. (#661, #716) +- ImGuiListClipper: Fix to behave within column. (#661, #662, #716) +- ImDrawList: Renamed ImDrawList::PathFill() to ImDrawList::PathFillConvex() for clarity. (BREAKING API) +- Columns: End() avoid calling Columns(1) if no columns set is open, not sure why it wasn't the case already (pros: faster, cons: exercise less code). +- ColorButton(): Fix ColorButton showing wrong hex value for alpha. (#1068) [@codecat] +- ColorEdit4(): better preserve inputting value out of 0..255 range, display then clamped in Hexadecimal form. +- Shutdown() clear out some remaining pointers for sanity. (#836) +- Added IMGUI_USE_BGRA_PACKED_COLOR option in imconfig.h (#767, #844) [@thedmd] +- Style: Removed the inconsistent shadow under RenderCollapseTriangle() (~#707) +- Style: Added ButtonTextAlign, ImGuiStyleVar_ButtonTextAlign. (#842) +- ImFont: Allowing to use up to 0xFFFE glyphs in same font (increased from previous 0x8000). +- ImFont: Added GetGlyphRangesThai() helper. [@nProtect] +- ImFont: CalcWordWrapPositionA() fixed font scaling with fallback character. +- ImFont: Calculate and store the approximate texture surface to get an idea of how costly each source font is. +- ImFontConfig: Added GlyphOffset to explicitly offset glyphs at font build time, useful for merged fonts. Removed MergeGlyphCenterV. (BREAKING API) +- Clarified asserts in CheckStacksSize() when there is a stack mismatch. +- Context: Support for #define-ing GImGui and IMGUI_SET_CURRENT_CONTEXT_FUNC to enable custom thread-based hackery (#586) +- Updated stb_truetype.h to 1.14 (added OTF support, removed warnings). (#883, #976) +- Updated stb_rect_pack.h to 0.10 (removed warnings). (#883) +- Added ImGuiMouseCursor_None enum value for convenient usage by app/binding. +- Clipboard: Added a void* user_data parameter to Clipboard function handlers. (#875) (BREAKING API) +- Internals: Refactor internal text alignment options to use ImVec2, removed ImGuiAlign. (#842, #222) +- Internals: Renamed ImLoadFileToMemory to ImFileLoadToMemory to be consistent with ImFileOpen + fix mismatching .h name. (#917) +- OS/Windows: Fixed Windows default clipboard handler leaving its buffer unfreed on application's exit. (#714) +- OS/Windows: No default IME handler when compiling for Windows using GCC. (#738) +- OS/Windows: Now using _wfopen() instead of fopen() to allow passing in paths/filenames with UTF-8 characters. (#917) +- Tools: binary_to_compressed_c: Avoid ?? trigraphs sequences in string outputs which break some older compilers. (#839) +- Demo: Added an extra 3-way columns demo. +- Demo: ShowStyleEditor: show font character map / grid in more details. +- Demo: Console: Fixed a completion bug when multiple candidates are equals and match until the end. +- Demo: Fixed 1-byte off overflow in the ShowStyleEditor() combo usage. (#783) [@bear24rw] +- Examples: Accessing ImVector fields directly, feel less stl-ey. (#810) +- Examples: OpenGL*: Saving/restoring existing scissor rectangle for completeness. (#807) +- Examples: OpenGL*: Saving/restoring active texture number (the value modified by glActiveTexture). (#1087, #1088, #1116) +- Examples: OpenGL*: Saving/restoring separate color/alpha blend functions correctly. (#1120) [@greggman] +- Examples: OpenGL2: Uploading font texture as RGBA32 to increase compatibility with users shaders for beginners. (#824) +- Examples: Vulkan: Countless fixes and improvements. (#785, #804, #910, #1017, #1039, #1041, #1042, #1043, #1080) [@martty, @Loftilus, @ParticlePeter, @SaschaWillems] +- Examples: DirectX9/10/10: Only call SetCursor(NULL) is io.MouseDrawCursor is set. (#585, #909) +- Examples: DirectX9: Explicitly setting viewport to match that other examples are doing. (#937) +- Examples: GLFW+OpenGL3: Fixed Shutdown() calling GL functions with NULL parameters if NewFrame was never called. (#800) +- Examples: GLFW+OpenGL2: Renaming opengl_example/ to opengl2_example/ for clarity. +- Examples: SDL+OpenGL: explicitly setting GL_UNPACK_ROW_LENGTH to reduce issues because SDL changes it. (#752) +- Examples: SDL2: Added build .bat files for Win32. +- Added various links to language/engine bindings. +- Various other minor fixes, tweaks, comments, optimizations. + + +----------------------------------------------------------------------- + VERSION 1.49 (2016-05-09) +----------------------------------------------------------------------- + +Decorated log: https://github.com/ocornut/imgui/releases/tag/v1.49 + +Breaking Changes: + +- Renamed `SetNextTreeNodeOpened()` to `SetNextTreeNodeOpen()` for consistency, no redirection. +- Removed confusing set of `GetInternalState()`, `GetInternalStateSize()`, `SetInternalState()` functions. Now using `CreateContext()`, `DestroyContext()`, `GetCurrentContext()`, `SetCurrentContext()`. If you were using multiple contexts the change should be obvious and trivial. +- Obsoleted old signature of `CollapsingHeader(const char* label, const char* str_id = NULL, bool display_frame = true, bool default_open = false)`, as extra parameters were badly designed and rarely used. Most uses were using 1 parameter and shouldn't affect you. You can replace the "default_open = true" flag in new API with `CollapsingHeader(label, ImGuiTreeNodeFlags_DefaultOpen)`. +- Changed `ImDrawList::PushClipRect(ImVec4 rect)` to `ImDraw::PushClipRect(ImVec2 min,ImVec2 max,bool intersect_with_current_clip_rect=false)`. Note that higher-level `ImGui::PushClipRect()` is preferable because it will clip at logic/widget level, whereas `ImDrawList::PushClipRect()` only affect your renderer. +- Title bar (using ImGuiCol_TitleBg/ImGuiCol_TitleBgActive colors) isn't rendered over a window background (ImGuiCol_WindowBg color) anymore (see #655). If your TitleBg/TitleBgActive alpha was 1.0f or you are using the default theme it will not affect you. However if your TitleBg/TitleBgActive alpha was <1.0f you need to tweak your custom theme to readjust for the fact that we don't draw a WindowBg background behind the title bar. + This helper function will convert an old TitleBg/TitleBgActive color into a new one with the same visual output, given the OLD color and the OLD WindowBg color. (Or If this is confusing, just pick the RGB value from title bar from an old screenshot and apply this as TitleBg/TitleBgActive. Or you may just create TitleBgActive from a tweaked TitleBg color.) + + ImVec4 ConvertTitleBgCol(const ImVec4& win_bg_col, const ImVec4& title_bg_col) + { + float new_a = 1.0f - ((1.0f - win_bg_col.w) * (1.0f - title_bg_col.w)); + float k = title_bg_col.w / new_a; + return ImVec4((win_bg_col.x * win_bg_col.w + title_bg_col.x) * k, (win_bg_col.y * win_bg_col.w + title_bg_col.y) * k, (win_bg_col.z * win_bg_col.w + title_bg_col.z) * k, new_a); + } + +Other changes: + +- New version of ImGuiListClipper helper calculates item height automatically. See comments and demo code. (#662, #661, #660) +- Added SetNextWindowSizeConstraints() to enable basic min/max and programmatic size constraints on window. Added demo. (#668) +- Added PushClipRect()/PopClipRect() (previously part of imgui_internal.h). Changed ImDrawList::PushClipRect() prototype. (#610) +- Added IsRootWindowOrAnyChildHovered() helper. (#615) +- Added TreeNodeEx() functions. (#581, #600, #190) +- Added ImGuiTreeNodeFlags_Selected flag to display TreeNode as "selected". (#581, #190) +- Added ImGuiTreeNodeFlags_AllowOverlapMode flag. (#600) +- Added ImGuiTreeNodeFlags_NoTreePushOnOpen flag (#590). +- Added ImGuiTreeNodeFlags_NoAutoOpenOnLog flag (previously private). +- Added ImGuiTreeNodeFlags_DefaultOpen flag (previously private). +- Added ImGuiTreeNodeFlags_OpenOnDoubleClick flag. +- Added ImGuiTreeNodeFlags_OpenOnArrow flag. +- Added ImGuiTreeNodeFlags_Leaf flag, always opened, no arrow, for convenience. For simple use case prefer using TreeAdvanceToLabelPos()+Text(). +- Added ImGuiTreeNodeFlags_Bullet flag, to add a bullet to Leaf node or replace Arrow with a bullet. +- Added TreeAdvanceToLabelPos(), GetTreeNodeToLabelSpacing() helpers. (#581, #324) +- Added CreateContext()/DestroyContext()/GetCurrentContext()/SetCurrentContext(). Obsoleted nearly identical GetInternalState()/SetInternalState() functions. (#586, #269) +- Added NewLine() to undo a SameLine() and as a shy reminder that horizontal layout support hasn't been implemented yet. +- Added IsItemClicked() helper. (#581) +- Added CollapsingHeader() variant with close button. (#600) +- Fixed MenuBar missing lower border when borders are enabled. +- InputText(): Fixed clipping of cursor rendering in case it gets out of the box (which can be forced w/ ImGuiInputTextFlags_NoHorizontalScroll. (#601) +- Style: Changed default IndentSpacing from 22 to 21. (#581, #324) +- Style: Fixed TitleBg/TitleBgActive color being rendered above WindowBg color, which was inconsistent and causing visual artifact. (#655) + This broke the meaning of TitleBg and TitleBgActive. Only affect values where Alpha<1.0f. Fixed default theme. Read comments in "API BREAKING CHANGES" section to convert. +- Relative rendering of order of Child windows creation is preserved, to allow more control with overlapping children. (#595) +- Fixed GetWindowContentRegionMax() being off by ScrollbarSize amount when explicit SizeContents is set. +- Indent(), Unindent(): optional non-default indenting width. (#324, #581) +- Bullet(), BulletText(): Slightly bigger. Less polygons. +- ButtonBehavior(): fixed subtle old bug when a repeating button would also return true on mouse release (barely noticeable unless RepeatRate is set to be very slow). (#656) +- BeginMenu(): a menu that becomes disabled while open gets closed down, facilitate user's code. (#126) +- BeginGroup(): fixed using within Columns set. (#630) +- Fixed a lag in reading the currently hovered window when dragging a window. (#635) +- Obsoleted 4 parameters version of CollapsingHeader(). Refactored code into TreeNodeBehavior. (#600, #579) +- Scrollbar: minor fix for top-right rounding of scrollbar background when window has menu bar but no title bar. +- MenuItem(): the check mark renders in disabled color when menu item is disabled. +- Fixed clipping rectangle floating point representation to ensure renderer-side float point operations yield correct results in typical DirectX/GL settings. (#582, 597) +- Fixed GetFrontMostModalRootWindow(), fixing missing fade-out when a combo pop was used stacked over a modal window. (#604) +- ImDrawList: Added AddQuad(), AddQuadFilled() helpers. +- ImDrawList: AddText() refactor, moving some code to ImFont, reserving less unused vertices when large vertical clipping occurs. +- ImFont: Added RenderChar() helper. +- ImFont: Added AddRemapChar() helper. (#609) +- ImFontConfig: Clarified persistence requirement of GlyphRanges array. (#651) +- ImGuiStorage: Added bool helper functions for completeness. +- AddFontFromMemoryCompressedTTF(): Fix ImFontConfig propagation. (#587) +- Renamed majority of use of the word "opened" to "open" for clarity. Renamed SetNextTreeNodeOpened() to SetNextTreeNodeOpen(). (#625, #579) +- Examples: OpenGL3: Saving/restoring glActiveTexture() state. (#602) +- Examples: DirectX9: save/restore all device state. +- Examples: DirectX9: Removed dependency on d3dx9.h, d3dx9.lib, dxguid.lib so it can be used in a DirectXMath.h only environment. (#611) +- Examples: DirectX10/X11: Apply depth-stencil state (no use of depth buffer). (#640, #636) +- Examples: DirectX11/X11: Added comments on removing dependency on D3DCompiler. (#638) +- Examples: SDL: Initialize video+timer subsystem only. +- Examples: Apple/iOS: lowered XCode project deployment target from 10.7 to 10.11. (#598, #575) + + +----------------------------------------------------------------------- + VERSION 1.48 (2016-04-09) +----------------------------------------------------------------------- + +Decorated log: https://github.com/ocornut/imgui/releases/tag/v1.48 + +Breaking Changes: + +- Consistently honoring exact width passed to PushItemWidth() (when positive), previously it would add extra FramePadding.x*2 over that width. Some hand-tuned layout may be affected slightly. (#346) +- Style: removed `style.WindowFillAlphaDefault` which was confusing and redundant, baked alpha into `ImGuiCol_WindowBg` color. If you had a custom WindowBg color but didn't change WindowFillAlphaDefault, multiply WindowBg alpha component by 0.7. Renamed `ImGuiCol_TooltipBg` to `ImGuiCol_PopupBG`, applies to other types of pop-ups. `bg_alpha` parameter of 5-parameters version of Begin() is an override. (#337) +- InputText(): Added BufTextLen field in ImGuiTextEditCallbackData. Requesting user to update it if the buffer is modified in the callback. Added a temporary length-check assert to minimize panic for the 3 people using the callback. (#541) +- Renamed GetWindowFont() to GetFont(), GetWindowFontSize() to GetFontSize(). Kept inline redirection function (will obsolete). (#340) + +Other Changes: + +- Consistently honoring exact width passed to PushItemWidth(), previously it would add extra FramePadding.x*2 over that width. Some hand-tuned layout may be affected slightly. (#346) +- Fixed clipping of child windows within parent not taking account of child outer clipping boundaries (including scrollbar, etc.). (#506) +- TextUnformatted(): Fixed rare crash bug with large blurb of text (2k+) not finished with a '\n' and fully above the clipping Y line. (#535) +- IO: Added 'KeySuper' field to hold CMD keyboard modifiers for OS X. Updated all examples accordingly. (#473) +- Added ImGuiWindowFlags_ForceVerticalScrollbar, ImGuiWindowFlags_ForceHorizontalScrollbar flags. (#476) +- Added IM_COL32 macros to generate a U32 packed color, convenient for direct use of ImDrawList api. (#346) +- Added GetFontTexUvWhitePixel() helper, convenient for direct use of ImDrawList api. +- Selectable(): Added ImGuiSelectableFlags_AllowDoubleClick flag to allow user reacting on double-click. (@zapolnov) (#516) +- Begin(): made the close button explicitly set the boolean to false instead of toggling it. (#499) +- BeginChild()/EndChild(): fixed incorrect layout to allow widgets submitted after an auto-fitted child window. (#540) +- BeginChild(): Added ImGuiWindowFlags_AlwaysUseWindowPadding flag to ensure non-bordered child window uses window padding. (#462) +- Fixed InputTextMultiLine(), ListBox(), BeginChildFrame(), ProgressBar(): outer frame not honoring bordering. (#462, #503) +- Fixed Image(), ImageButtion() rendering a rectangle 1 px too large on each axis. (#457) +- SetItemAllowOverlap(): Promoted from imgui_internal.h to public imgui.h api. (#517) +- Combo(): Right-most button stays highlighted when pop-up is open. +- Combo(): Display pop-up above if there's isn't enough space below / or select largest side. (#505) +- DragFloat(), SliderFloat(), InputFloat(): fixed cases of erroneously returning true repeatedly after a text input modification (e.g. "0.0" --> "0.000" would keep returning true). (#564) +- DragFloat(): Always apply value when mouse is held/widget active, so that an always-reseting variable (e.g. non saved local) can be passed. +- InputText(): OS X friendly behaviors: Word movement uses ALT key; Shortcuts uses CMD key; Double-clicking text select a single word; Jumping to next word sets cursor to end of current word instead of beginning of current word. (@zhiayang), (#473) +- InputText(): Added BufTextLen in ImGuiTextEditCallbackData. Requesting user to maintain it if buffer is modified. Zero-ing structure properly before use. (#541) +- CheckboxFlags(): Added support for testing/setting multiple flags at the same time. (@DMartinek) (#555) +- TreeNode(), CollapsingHeader() fixed not being able to use "##" sequence in a formatted label. +- ColorEdit4(): Empty label doesn't add InnerSpacing.x, matching behavior of other widgets. (#346) +- ColorEdit4(): Removed unnecessary calls to scanf() when idle in hexadecimal edit mode. +- BeginPopupContextItem(), BeginPopupContextWindow(): added early out optimization. +- CaptureKeyboardFromApp() / CaptureMouseFromApp(): added argument to allow clearing the capture flag. (#533) +- ImDrawList: Fixed index-overflow check broken by AddText() casting current index back to ImDrawIdx. (#514) +- ImDrawList: Fixed incorrect removal of trailing draw command if it is a callback command. +- ImDrawList: Allow windows with only a callback only to be functional. (#524) +- ImDrawList: Fixed ImDrawList::AddRect() which used to render a rectangle 1 px too large on each axis. (#457) +- ImDrawList: Fixed ImDrawList::AddCircle() to fit precisely within bounding box like AddCircleFilled() and AddRectFilled(). (#457) +- ImDrawList: AddCircle(), AddRect() takes optional thickness parameter. +- ImDrawList: Added AddTriangle(). +- ImDrawList: Added PrimQuadUV() helper to ease custom rendering of textured quads (require primitive reserve). +- ImDrawList: Allow AddText(ImFont\* font, float font_size, ...) variant to take NULL/0.0f as default. +- ImFontAtlas: heuristic increase default texture width up for large number of glyphs. (#491) +- ImTextBuffer: Fixed empty() helper which was utterly broken. +- Metrics: allow to inspect individual triangles in draw calls. +- Demo: added more draw primitives in the Custom Rendering example. (#457) +- Demo: extra comments and example for PushItemWidth(-1) patterns. +- Demo: InputText password demo filters out blanks. (#515) +- Demo: Fixed malloc/free mismatch and leak when destructing demo console, if it has been used. (@fungos) (#536) +- Demo: plot code doesn't use ImVector to avoid heap allocation and be more friendly to custom allocator users. (#538) +- Fixed compilation on DragonFly BSD (@mneumann) (#563) +- Examples: Vulkan: Added a Vulkan example (@Loftilus) (#549) +- Examples: DX10, DX11: Saving/restoring most device state so dropping render function in your codebase shouldn't have DX device side-effects. (#570) +- Examples: DX10, DX11: Fixed ImGui_ImplDX??_NewFrame() from recreating device objects if render isn't called (g_pVB not set). +- Examples: OpenGL3: Fix BindVertexArray/BindBuffer order. (@nlguillemot) (#527) +- Examples: OpenGL: skip rendering and calling glViewport() if we have zero-fixed buffer. (#486) +- Examples: SDL2+OpenGL3: Fix context creation options. Made ImGui_ImplSdlGL3_NewFrame() signature match GL2 one. (#468, #463) +- Examples: SDL2+OpenGL2/3: Fix for high-dpi displays. (@nickgravelyn) +- Various extra comments and clarification in the code. +- Various other fixes and optimizations. + + +----------------------------------------------------------------------- + VERSION 1.47 (2015-12-25) +----------------------------------------------------------------------- + +Decorated log: https://github.com/ocornut/imgui/releases/tag/v1.47 + +Changes: + +- Rebranding "ImGui" -> "dear imgui" as an optional first name to reduce ambiguity with IMGUI term. (#21) +- Added ProgressBar(). (#333) +- InputText(): Added ImGuiInputTextFlags_Password mode: hide display, disable logging/copying to clipboard. (#237, #363, #374) +- Added GetColorU32() helper to retrieve color given enum with global alpha and extra applied. +- Added ImGuiIO::ClearInputCharacters() superfluous helper. +- Fixed ImDrawList draw command merging bug where using PopClipRect() along with PushTextureID()/PopTextureID() functions + would occasionally restore an incorrect clipping rectangle. +- Fixed ImDrawList draw command merging so PushTextureID(XXX)/PopTextureID()/PushTextureID(XXX) sequence are now properly merged. +- Fixed large popups positioning issues when their contents on either axis is larger than DisplaySize, + and WindowPadding < DisplaySafeAreaPadding. +- Fixed border rendering in various situations when using non-pixel aligned glyphs. +- Fixed border rendering of windows to always contain the border within the window. +- Fixed Shutdown() leaking font atlas data if NewFrame() was never called. (#396, #303) +- Fixed int>void\* warnings for 64-bit architectures with fancy warnings enabled. +- Renamed the dubious Color() helpers to ValueColor() - dangerously named, rarely used and probably to be made obsolete. +- InputText(): Fixed and better handling of using keyboard while mouse button if being held and dragging. (#429) +- InputText(): Replace OS IME (Input Method Editor) cursor on top-left when we are not text editing. +- TreeNode(), CollapsingHeader(), Bullet(), BulletText(): various sizing and layout fixes to better support laying out + multiple item with different height on same line. (#414, #282) +- Begin(): Initial window creation with ImGuiWindowFlags_NoBringToFrontOnFocus flag pushes it at the front of global window list. +- BeginPopupContextWindow() and BeginPopupContextVoid() reopen window on subsequent click. (#439) +- ColorEdit4(): Fixed broken tooltip on hovering the color button. (actually fixes #373, #380) +- ImageButton(): uses FrameRounding up to a maximum of available framing size. (#394) +- Columns: Fixed bug with indentation within columns, also making code a bit shorter/faster. (#414, #125) +- Columns: Columns set with no implicit id include the columns count within the id to reduce collisions. (#125) +- Columns: Removed one unnecessary allocation when columns are not used by a window. (#125) +- ImFontAtlas: Tweaked GetGlyphRangesJapanese() so it is easier to modify. +- ImFontAtlas: Updated stb_rect_pack.h to 0.08. +- Metrics: Fixed computing ImDrawCmd bounding box when the draw buffer have been unindexed. +- Demo: Added a simple "Property Editor" demo applet. (#125, #414) +- Demo: Fixed assertion in "Custom Rendering" demo when holding both mouse buttons. (#393) +- Demo: Lots of extra comments, fixes. +- Demo: Tweaks to Style Editor. +- Examples: Not clearing input data/tex data in atlas (will be required for dynamic atlas anyway). +- Examples: Added /Zi (output debug information) to Win32 batch files. +- Examples: Various fixes for resizing window and recreating graphic context. +- Examples: OpenGL2/3: Save/restore viewport as part of default render function. (#392, #441). +- Examples; OpenGL3: Fixed gl3w.c for Linux when compiled with a C++ compiler. (#411) +- Examples: DirectX: Removed assumption about Unicode build in example main.cpp. (#399) +- Examples: DirectX10: Added DirectX10 example. (#424) +- Examples: DirectX11: Downgraded requirement from shader model 5.0 to 4.0. (#420) +- Examples: DirectX11: Removed Debug flag from graphics context. (#415) +- Examples: Added SDL+OpenGL3 example. (#356) + + +----------------------------------------------------------------------- + VERSION 1.46 (2015-10-18) +----------------------------------------------------------------------- + +Decorated log: https://github.com/ocornut/imgui/releases/tag/v1.46 + +Changes: + +- Begin*(): added ImGuiWindowFlags_NoFocusOnAppearing flag. (#314) +- Begin*(): added ImGuiWindowFlags_NoBringToFrontOnFocus flag. +- Added GetDrawData() alternative to setting a Render function pointer in ImGuiIO structure. +- Added SetClipboardText(), GetClipboardText() helper shortcuts that user code can call directly without reading + from the ImGuiIO structure (to match MemAlloc/MemFree) +- Fixed handling of malformed UTF-8 at the end of a non-zero terminated string range. +- Fixed mouse click detection when passing DeltaTime 0.0. (#338) +- Fixed IsKeyReleased() and IsMouseReleased() returning true on the first frame. +- Fixed using SetNextWindow\* functions on Modal windows with a ImGuiSetCond_Appearing condition. (#377) +- IsMouseHoveringRect(): Added 'bool clip' parameter to disable clipping provided rectangle. (#316) +- InputText(): added ImGuiInputTextFlags_ReadOnly flag. (#211) +- InputText(): lose cursor/undo-stack when reactivating focus is buffer has changed size. +- InputText(): fixed ignoring text inputs when ALT or ALTGR are pressed. (#334) +- InputText(): fixed mouse-dragging not tracking the cursor when text doesn't fit. (#339) +- InputText(): fixed cursor pixel-perfect alignment when horizontally scrolling. +- InputText(): fixed crash when passing a buf_size==0 (which can be of use for read-only selectable text boxes). (#360) +- InputFloat() fixed explicit precision modifier, both display and input were broken. +- PlotHistogram(): improved rendering of histogram with a lot of values. +- Dummy(): creates an item so functions such as IsItemHovered() can be used. +- BeginChildFrame() helper: added the extra_flags parameter. +- Scrollbar: fixed rounding of background + child window consistenly have ChildWindowBg color under ScrollbarBg fill. (#355). +- Scrollbar: background color less translucent in default style so it works better when changing background color. +- Scrollbar: fixed minor rendering offset when borders are enabled. (#365) +- ImDrawList: fixed 1 leak per ImDrawList using the ChannelsSplit() API (via Columns). (#318) +- ImDrawList: fixed rectangle rendering glitches with width/height <= 1/2 and rounding enabled. +- ImDrawList: AddImage() uv parameters default to (0,0) and (1,1). +- ImFontAtlas: Added TexDesiredWidth and tweaked default cheapo best-width choice. (#327) +- ImFontAtlas: Added GetGlyphRangesKorean() helper to retrieve unicode ranges for Korean. (#348) +- ImGuiTextFilter::Draw() helper return bool and build when filter is modified. +- ImGuiTextBuffer: added c_str() helper. +- ColorEdit4(): fixed hovering the color button always showing 1.0 alpha. (#373) +- ColorConvertFloat4ToU32() round the floats instead of truncating them. +- Window: Fixed window lower-right clipping limit so it plays more friendly with both OpenGL and DirectX coordinates. +- Internal: Extracted a EndFrame() function out of Render() but kept it internal/private + clarified some asserts. (#335) +- Internal: Added missing IMGUI_API definitions in imgui_internal.h (#326) +- Internal: ImLoadFileToMemory() return void\* instead of taking void*\* + allow optional int\* file_size. +- Demo: Horizontal scrollbar demo allows to enable simultanaeous scrollbars on both axises. +- Tools: binary_to_compressed_c.cpp: added -nocompress option. +- Examples: Added example for the Marmalade platform. +- Examples: Added batch files to build Windows examples with VS. +- Examples: OpenGL3: Saving/restoring more GL state correctly. (#347) +- Examples: OpenGL2/3: Added msys2/mingw64 target to Makefiles. + + +----------------------------------------------------------------------- + VERSION 1.45 (2015-09-01) +----------------------------------------------------------------------- + +Decorated log: https://github.com/ocornut/imgui/releases/tag/v1.45 + +Breaking Changes: + +- With the addition of better horizontal scrolling primitives I had to make some consistency fixes. + `GetCursorPos()` `SetCursorPos()` `GetContentRegionMax()` `GetWindowContentRegionMin()` `GetWindowContentRegionMax()` + are now incorporating the scrolling amount. They were incorrectly not incorporating this amount previously. + It PROBABLY shouldn't break anything, but that depends on how you used them. Namely: + - If you always used SetCursorPos() with values relative to GetCursorPos() there shouldn't be a problem. + However if you used absolute coordinates, note that SetCursorPosY(100.0f) will put you at +100 from the initial Y position (which may be scrolled out of the view), NOT at +100 from the window top border. Since there wasn't any official scrolling value on X axis (past just manually moving the cursor) this can only affect you if you used to set absolute coordinates on the Y axis which is hopefully rare/unlikely, and trivial to fix. + - The value of GetWindowContentRegionMax() isn't necessarily close to GetWindowWidth() if horizontally scrolling. + Previously they were roughly interchangeable (roughly because the content region exclude window padding). + +Other Changes: + +- Added Horizontal Scrollbar via ImGuiWindowFlags_HorizontalScroll (#246). +- Added GetScrollX(), GetScrollX(), GetScrollMaxX() apis (#246). +- Added SetNextWindowContentSize(), SetNextWindowContentWidth() to explicitly set the content size of a window, which + define the range of scrollbar. When set explicitly it also define the base value from which widget width are derived. +- Added IO.WantTextInput telling when ImGui is expecting text input, so that e.g. OS on-screen keyboard can be enabled. +- Added printf attribute to printf-like text formatting functions (Clang/GCC). +- Added GetMousePosOnOpeningCurrentPopup() helper. +- Added GetContentRegionAvailWidth() helper. +- Malformed UTF-8 data don't terminate string, output 0xFFFD instead (#307). +- ImDrawList: Added AddBezierCurve(), PathBezierCurveTo() API for cubic bezier curves (#311). +- ImDrawList: Allow to override ImDrawIdx type (#292). +- ImDrawList: Added an assert on overflowing index value (#292). +- ImDrawList: Fixed issues with channels split/merge. Now functional without manually adding a draw cmd. Added comments. +- ImDrawData: Added ScaleClipRects() helper useful when rendering scaled. (#287). +- Fixed Bullet() inconsistent layout behaviour when clipped. +- Fixed IsWindowHovered() not taking account of window hoverability (may be disabled because of a popup). +- Fixed InvisibleButton() not honoring negative size consistently with other widgets that do so. +- Fixed OpenPopup() accessing current window, effectively opening "Debug" when called from an empty window stack. +- TreeNode(): Fixed IsItemHovered() result being inconsistent with interaction visuals (#282). +- TreeNode(): Fixed mouse interaction padding past the node label being accounted for in layout (#282). +- BeginChild(): Passing a ImGuiWindowFlags_NoMove inhibits moving parent window from this child. +- BeginChild() fixed missing rounding for child sizes which leaked into layout and have items misaligned. +- Begin(): Removed default name = "Debug" parameter. We already have a "Debug" window pushed to the stack in the first place so it's not really a useful default. +- Begin(): Minor fixes with windows main clipping rectangle (e.g. child window with border). +- Begin(): Window flags are only read on the first call of the frame. Subsequent calls ignore flags, which allows appending to a window without worryin about flags. +- InputText(): ignore character input when ctrl/alt are held. (Normally those text input are ignored by most wrappers.) (#279). +- Demo: Fixed incorrectly formed string passed to Combo (#298). +- Demo: Added simple Log demo. +- Demo: Added horizontal scrolling example + enabled in console, log and child examples (#246). +- Style: made scrollbars rounded by default. Because nice. Minor menu bar background alpha tweak. (#246) +- Metrics: display indices along with triangles count (#299) and some internal state. +- ImGuiTextFilter::PassFilter() supports string range. Added [] helper to ImGuiTextBuffer. +- ImGuiTextFilter::Draw() default parameter width=0.0f for no override, allow override with negative values. +- Examples: OpenGL2/OpenGL3: fix for retina displays. Default font current lack crispness. +- Examples: OpenGL2/OpenGL3: save/restore more GL state correctly. +- Examples: DirectX9/DirectX11: resizing buffers dynamically (#299). +- Examples: DirectX9/DirectX11: added missing middle mouse button to Windows event handler. +- Examples: DirectX11: fix for Visual Studio 2015 presumably shipping with an updated version of DX11. +- Examples: iOS: fixed missing files in project. + + +----------------------------------------------------------------------- + VERSION 1.44 (2015-08-08) +----------------------------------------------------------------------- + +Decorated log: https://github.com/ocornut/imgui/releases/tag/v1.44 + +Breaking Changes: + +- imgui.cpp has been split intro extra files: imgui_demo.cpp, imgui_draw.cpp, imgui_internal.h. + Add the two extra .cpp to your project or #include them from another .cpp file. (#219) + +Other Changes: + +- Internal data structure and several useful functions are now exposed in imgui_internal.h. This should make it easier + and more natural to extend ImGui. However please note that none of the content in imgui_internal.h is guaranteed + for forward-compatibility and code using those types/functions may occasionally break. (#219) +- All sample code is in imgui_demo.cpp. Please keep this file in your project and consider allowing your code to call + the ShowTestWindow() function as de-facto guide to ImGui features. It will be stripped out by the linker when unused. +- Added GetContentRegionAvail() helper (basically GetContentRegionMax() - GetCursorPos()). +- Added ImGuiWindowFlags_NoInputs for totally input-passthru window. +- Button(): honor negative size consistently with other widgets that do so (width -100 to align the button 100 pixels + before the right-most position of the contents region). +- InputTextMultiline(): honor negative size consistently with other widgets that do so. +- Combo() clamp popup to lower edge of visible area. +- InputInt(): value doesn't pass through an int>float>int casting chain, fix handling lost of precision with "large" integer. +- InputInt() allow hexadecimal input (awkwardly via ImGuiInputTextFlags_CharsHexadecimal but we will allow format + string in InputInt* later). +- Checkbox(), RadioButton(): fixed scaling of checkbox and radio button for the filling of "active" visual. +- Columns: never assume horizontal space for scrollbar if NoScrollbar flag is explicitly set. +- Slider: fixed using FramePadding between frame and grab visual. Scaling that spacing would look odd. +- Fixed lower-right resize grip hit box not scaling along with its rendered size (#287) +- ImDrawList: Fixed angles in ImDrawList::PathArcTo(), PathArcToFast() (v1.43) being off by an extra PI for no reason. +- ImDrawList: Added ImDrawList::AddText() shorthand helper. +- ImDrawList: Add missing support for anti-aliased thick-lines (#133, also ref #288) +- ImFontAtlas: Added AddFontFromMemoryCompressedBase85TTF() to load base85 encoded font string. Default font encoded + as base85 saves ~100 lines / 26 KB of source code. Added base85 output to the binary_to_compressed_c tool. +- Build fix for MinGW (#276). +- Examples: OpenGL3: Fixed running on script core profiles for OSX (#277). +- Examples: OpenGL3: Simplified code using glBufferData for vertices as well (#277, #278) +- Examples: DirectX11: Clear font texture view to ensure Release() doesn't get called twice (#290). +- Updated to stb_truetype 1.07 (back to vanilla version as our minor changes are now in master & fix unlikely assert + with odd fonts (#280) + + +----------------------------------------------------------------------- + VERSION 1.43 (2015-07-17) +----------------------------------------------------------------------- + +Decorated log: https://github.com/ocornut/imgui/releases/tag/v1.43 + +Breaking Changes: + +- This is a rather important release and we unfortunately had to break the rendering API. + ImGui now requires you to render indexed vertices instead of non-indexed ones. The fix should be very easy. + Sorry for that! This change is saving a fair amount of CPU/GPU and enables us to get anti-aliasing for a marginal cost. + Each ImDrawList now contains both a vertex buffer and an index buffer. For each command, render ElemCount/3 triangles + using indices from the index buffer. +- If you are using a vanilla copy of one of the imgui_impl_XXXX.cpp provided in the example, you just need to update + your copy and you can ignore the rest. +- The signature of the io.RenderDrawListsFn handler has changed + From: ImGui_XXXX_RenderDrawLists(ImDrawList** const cmd_lists, int cmd_lists_count) + To: ImGui_XXXX_RenderDrawLists(ImDrawData* draw_data) + With: argument 'cmd_lists' -> 'draw_data->CmdLists' + argument 'cmd_lists_count' -> 'draw_data->CmdListsCount' + ImDrawList 'commands' -> 'CmdBuffer' + ImDrawList 'vtx_buffer' -> 'VtxBuffer' + ImDrawList n/a -> 'IdxBuffer' (new) + ImDrawCmd 'vtx_count' -> 'ElemCount' + ImDrawCmd 'clip_rect' -> 'ClipRect' + ImDrawCmd 'user_callback' -> 'UserCallback' + ImDrawCmd 'texture_id' -> 'TextureId' +- If you REALLY cannot render indexed primitives, you can call the draw_data->DeIndexAllBuffers() method to de-index + the buffers. This is slow and a waste of CPU/GPU. Prefer using indexed rendering! + Refer to code in the examples/ folder or ask on the GitHub if you are unsure of how to upgrade. Please upgrade! + +Other Changes: + +- Added anti-aliasing on lines and shapes based on primitives by @MikkoMononen (#133). + Between the use of indexed-rendering and the fact that the entire rendering codebase has been optimized and massaged + enough, with anti-aliasing enabled ImGui 1.43 is now running FASTER than 1.41. + Made some extra effort in making the code run faster in your typical Debug build. +- Anti-aliasing can be disabled in the ImGuiStyle structure via the AntiAliasedLines/AntiAliasedShapes fields for further gains. +- ImDrawList: Added AddPolyline(), AddConvexPolyFilled() with optional anti-aliasing. +- ImDrawList: Added stateful path building and stroking API. PathLineTo(), PathArcTo(), PathRect(), PathFill(), PathStroke() + with optional anti-aliasing. +- ImDrawList: Added AddRectFilledMultiColor() helper. +- ImDrawList: Added multi-channel rendering so out of order elements can be rendered in separate channels and then merged + back together (used by columns). +- ImDrawList: Fixed merging draw commands when equal clip rectangles are in the two first commands. +- ImDrawList: Fixed window draw lists not destructed properly on Shutdown(). +- ImDrawData: Added DeIndexAllBuffers() helper. +- Added lots of new font options ImFontAtlas::AddFont() and the new ImFontConfig structure. + - Added support for oversampling (ImFontConfig: OversampleH, OversampleV) and sub-pixel positioning (ImFontConfig: PixelSnapH). + Oversampling allows sub-pixel positioning but can also be used as a way to get some leeway with scaling fonts without re-rasterizing. + - Added GlyphExtraSpacing option to add extra horizontal spacing between characters (#242). + - Added MergeMode option to merge glyphs from different font inputs into a same font (#182, #232). + - Added FontDataOwnedByAtlas option to keep ownership from the TTF data buffer and request the atlas to make a copy (#220). +- Updated to stb_truetype 1.06 (+ minor mods) with better font rasterization. +- InputText: Added ImGuiInputTextFlags_NoHorizontalScroll flag. +- InputText: Added ImGuiInputTextFlags_AlwaysInsertMode flag. +- InputText: Added HasSelection() helper in ImGuiTextEditCallbackData as a clarification. +- InputText: Fix for using END key on a multi-line text editor (#275) +- Columns: Dispatch render of each column in a sub-draw list and merge on closure, saving a lot of draw calls! (#125) +- Popups: Fixed Combo boxes inside menus. (#272) +- Style: Added GrabRounding setting to make the sliders etc. grabs rounded. +- Changed SameLine() parameters from int to float. +- Fixed incorrect assert triggering when code stole ActiveID from user moving a window by calling e.g. SetKeyboardFocusHere(). +- Fixed CollapsingHeader() label rendering outside its frame in columns context where ClipRect max isn't aligned with the + right-side of the header. +- Metrics window: calculate bounding box of actual vertices when hovering a draw list. +- Examples: Showing more information in the Fonts section. +- Examples: Added a gratuitous About window. +- Examples: Updated all examples code (OpenGL/DX9/DX11/SDL/Allegro/iOS) to use indexed rendering. +- Examples: Fixed the SDL2 example to support Unicode text input (#274). + + +----------------------------------------------------------------------- + VERSION 1.42 (2015-07-08) +----------------------------------------------------------------------- + +Decorated log: https://github.com/ocornut/imgui/releases/tag/v1.42 + +Breaking Changes: + +- Renamed SetScrollPosHere() to SetScrollHere(). Kept inline redirection function (will obsolete). +- Renamed GetScrollPosY() to GetScrollY(). Necessary to reduce confusion and make scrolling API consistent, + because positions (e.g. cursor position) are not equivalent to scrolling amount. +- Removed obsolete GetDefaultFontData() function that would assert anyway. + If you are updating from <1.30 you'll get a compile error instead of an assertion. (obsoleted 2015/01/11) + +Other Changes: + +- Added SDL2 example application (courtesy of @CedricGuillemet) +- Added iOS example application (courtesy of @joeld42) +- Added Allegro 5 example application (courtesy of @bggd) +- Added TitleBgActive color in style so focused window is made visible. (#253) +- Added CaptureKeyboardFromApp() / CaptureMouseFromApp() to manually enforce inputs capturing. +- Added DragFloatRange2() DragIntRange2() helpers. (#76) +- Added a Y centering ratio to SetScrollFromCursorPos() which can be used to aim the top or bottom of the window. (#150) +- Added SetScrollY(), SetScrollFromPos(), GetCursorStartPos() for manual scrolling manipulations. (#150). +- Added GetKeyIndex() helper for converting from ImGuiKey_\* enum to user's keycodes. Basically pulls from io.KeysMap[]. +- Added missing ImGuiKey_PageUp, ImGuiKey_PageDown so more UI code can be written without referring to implementation-side keycodes. +- MenuItem() can be activated on release. (#245) +- Allowing NewFrame() with DeltaTime==0.0f to not assert. +- Fixed IsMouseDragging(). (#260) +- Fixed PlotLines(), PlotHistogram() using incorrect hovering test so they would show their tooltip even when there is + a popup between mouse and the graph. +- Fixed window padding being reported incorrectly for child windows with borders when parent have no borders. +- Fixed a bug with TextUnformatted() clipping of long text blob when clipping y1 line sits on the first line of text. (#257) +- Fixed text baseline alignment of small button (no padding) after regular buttons. +- Fixed ListBoxHeader() not honoring negative sizes the same way as BeginChild() or BeginChildFrame(). (#263) +- Fixed warnings for more pedantic compiler settings (#258). +- ImVector<> cannot be re-defined anymore, cannot be replaced with std::vector<>. Allowed us to clean up and optimize + lots of code. Yeah! (#262) +- ImDrawList: store pointer to their owner name for easier auditing/debugging. +- Examples: added scroll tracking example with SetScrollFromCursorPos(). +- Examples: metrics windows render clip rectangle when hovering over a draw call. +- Lots of small optimization (particularly to run faster on unoptimized builds) and tidying up. +- Added font links in extra_fonts/ + instructions for using compressed fonts in C array. + + +----------------------------------------------------------------------- + VERSION 1.41 (2015-06-26) +----------------------------------------------------------------------- + +Decorated log: https://github.com/ocornut/imgui/releases/tag/v1.41 + +Breaking Changes: + +- Changed ImageButton() default bg_col parameter from (0,0,0,1) (black) to (0,0,0,0) (transparent). + Only makes a difference when texture have transparency. +- Changed Selectable() API from (label, selected, size) to (label, selected, flags, size). + Size override should be used very rarely so hopefully it doesn't affect many people. Sorry! + +Other Changes: + +- Added InputTextMultiline() multi-line text editor, vertical scrolling, selection, optimized enough to handle rather + big chunks of text in stateless context (thousands of lines are ok), option for allowing Tab to be input, option + for validating with Return or Ctrl+Return (#200). +- Added modal window API, BeginPopupModal(), follows the popup api scheme. Modal windows can be closed by clicking + outside. By default the rest of the screen is dimmed (using ImGuiCol_ModalWindowDarkening). Modal windows can be stacked. +- Added GetGlyphRangesCyrillic() helper (#237). +- Added SetNextWindowPosCenter() to center a window prior to knowing its size. (#249) +- Added IsWindowHovered() helper. +- Added IsMouseReleased(), IsKeyReleased() helpers to allow to user to avoid tracking them. (#248) +- Allow Set*WindowSize() calls to be used with popups. +- Window: AutoFit can be triggered on each axis separately via SetNextWindowSize(), etc. +- Window: fixed scrolling with mouse wheel while window was collapsed. +- Window: fixed mouse wheel scroll issues. +- DragFloat(), SliderFloat(): Fixed rounding of negative numbers which sometime made the negative lower bound unreachable. +- InputText(): lifted character count limit. +- InputText(): fixes in case of using per-window font scaling. +- Selectable(), MenuItem(): do not use frame rounding for hovering/selection. +- Selectable(): Added flag ImGuiSelectableFlags_DontClosePopups. +- Selectable(): Added flag ImGuiSelectableFlags_SpanAllColumns (#125). +- Combo(): Fixed issue with activating a Combo() not taking active id (#241). +- ColorButton(), ColorEdit4(): fix to ensure that the colored square stays square when non-default padding settings are used. +- BeginChildFrame(): returns bool like BeginChild() for clipping. +- SetScrollPosHere(): takes account of item height + more accurate centering + fixed precision issue. +- ImFont: ignoring '\r'. +- ImFont: added GetCharAdvance() helper. Exposed font Ascent and font Descent. +- ImFont: additional rendering optimizations. +- Metrics windows display storage size. + + +----------------------------------------------------------------------- + VERSION 1.40 (2015-05-31) +----------------------------------------------------------------------- + +Decorated log: https://github.com/ocornut/imgui/releases/tag/v1.40 + +Breaking Changes: + +- The BeginPopup() API (introduced in 1.37) had to be changed to allow for stacked popups and menus. + Use OpenPopup() to toggle the opened state and BeginPopup() to append.** +- The third parameter of Button(), 'repeat_if_held' has been removed. While it's been very rarely used, + some code will possibly break if you didn't rely on the default parameter. + Use PushButtonRepeat()/PopButtonRepeat() to configure repeat. +- Renamed IsRectClipped() to !IsRectVisible() for consistency (opposite return value!). Kept inline redirection function (will obsolete) +- Renamed GetWindowCollapsed() to IsWindowCollapsed() for consistency. Kept inline indirection function (will obsolete). + +Other Changes: + +- Menus: Added a menu system! Menus are typically populated with menu items and sub-menus, but you can add any sort of + widgets in them (buttons, text inputs, sliders, etc.). (#126) +- Menus: Added MenuItem() to append a menu item. Optional shortcut display, acts a button & toggle with checked/unchecked state, + disabled mode. Menu items can be used in any window. +- Menus: Added BeginMenu() to append a sub-menu. Note that you generally want to add sub-menu inside a popup or a menu-bar. + They will work inside a normal window but it will be a bit unusual. +- Menus: Added BeginMenuBar() to append to window menu-bar (set ImGuiWindowFlags_MenuBar to enable). +- Menus: Added BeginMainMenuBar() helper to append to a fullscreen main menu-bar. +- Popups: Support for stacked popups. Each popup level inhibit inputs to lower levels. The menus system is based on this. (#126). +- Popups: Added BeginPopupContextItem(), BeginPopupContextWindow(), BeginPopupContextVoid() to create a popup window on mouse-click. +- Popups: Popups have borders by default (#197), attenuated border alpha in default theme. +- Popups & Tooltip: Fit within display. Handling various positioning/sizing/scrolling edge cases. Better hysteresis when moving + in corners. Tooltip always tries to stay away from mouse-cursor. +- Added ImGuiStorage::GetVoidPtrRef() for manipulating stored void*. +- Added IsKeyDown() IsMouseDown() as convenience and for consistency with existing functions (instead of reading them from IO structures). +- Added Dummy() helper to advance layout by a given size. Unlike InvisibleButton() this doesn't catch any click. +- Added configurable io.KeyRepeatDelay, io.KeyRepeatRate keyboard and mouse repeat rate. +- Added PushButtonRepeat() / PopButtonRepeat() to enable hold-button-to-repeat press on any button. +- Removed the third 'repeat' parameter of Button(). +- Added IsAnyItemHovered() helper. +- Added GetItemsLineHeightWithSpacing() helper. +- Added ImGuiListClipper helper for clipping large list of evenly sized items, to avoid using CalcListClipping() directly. +- Separator: within group start on group horizontal offset. (#205) +- InputText: Fixed incorrect edit state after text buffer is appended to by user via the callback. (#206) +- InputText: CTRL+letter-key shortcuts (e.g. CTRL+C/V/X) makes sure only CTRL is pressed. (#214) +- InputText: Fixed cursor generating a zero-width wire-frame rectangle turning into a division by zero (would go unnoticed + unless you trapped exceptions). +- InputFloatN/InputIntN: Flags parameter added to match scalar versions. (#218) +- Selectable: Horizontal filling not declared to ItemSize() so Selectable(),SameLine() works and we can better auto-fit the window. +- Selectable: Handling text baseline alignment for line that aren't of text height. +- Combo: Empty label doesn't add ItemInnerSpacing alignment, matching other widgets. +- EndGroup: Carries the text base offset from the last line of the group (sort of incorrect but better than nothing, + should use the first line of the group, will implement in the future). +- Columns: distinguish columns-set ID from other widgets as a convenience, added asserts and sailors. +- ListBox: ListBox() function only use public API to encourage creating custom versions. ListBoxHeader() can return false. +- ListBox: Uses ImGuiListClipper and assume items of matching height, so large lists can be handled. +- Plot: overlay label clipped within frame when not fitting. +- Window: Added ImGuiSetCond_Appearing to test the hidden->visible transition in SetWindow***/SetNextWindow*** functions. +- Window: Auto-fitting cancel out one worth of vertical spacing for vertical symmetry (like what group and tooltip do). +- Window: Default item width for auto-resizing windows expressed as a factor of font height, scales better with different font. +- Window: Fixed auto-fit calculation mismatch of whether a scrollbar will be added by maximum height clamping. Also honor NoScrollBar in the case of height clamping, not adding extra horizontal space. +- Window: Hovering require to hover same child window. Reverted 860cf57 (December 3). Might break something if you have + child overlapping items in parent window. +- Window: Fixed appending multiple times to an existing child via multiple BeginChild/EndChild calls to same child name. + Allows a simple form of out-of-order appending. +- Window: Fixed auto-filling child window using WindowMinSize at their minimum size, irrelevant. +- Metrics: Added io.MetricsActiveWindows counter. (#213. +- Metrics: Added io.MetricsAllocs counter (number of active memory allocations). +- Metrics: ShowMetricsWindow() shows popups stack, allocations. +- Style: Added style.DisplayWindowPadding to prevent windows from reaching edges of display (similar to style.DisplaySafeAreaPadding which is still in effect and also affect popups/tooltips). +- Style: Removed style.AutoFitPadding, using style.WindowPadding makes more sense (the default values were already the same). +- Style: Added style.ScrollbarRounding. (#212) +- Style: Added ImGuiCol_TextDisabled for disabled text. Added TextDisabled() helper. +- Style: Added style.WindowTitleAlign alignment options, to e.g. center title on windows. (#222) +- ImVector: tweak growth strategy, matches vector from VS2010. +- ImFontAtlas: Added ClearFonts(), making the different clear funcs more explicit. (#224) +- ImFontAtlas: Fixed appending new fonts without clearing existing fonts. Clearing input data left to application. (#224) +- ImDrawList: Merge draw command better, cases of multiple Begin/End gets merged properly. +- Store common stacked settings contiguously in memory to avoid heap allocation for unused features, and reduce cache misses. +- Shutdown() tests for g.IO.Fonts not being NULL to ease use of multiple ImGui contexts. (#207) +- Added IMGUI_DISABLE_OBSOLETE_FUNCTIONS define to disable the functions that are meant to be removed. +- Examples: Added ? marks with tooltips next to various widgets. Added more comments in the demo window. +- Examples: Added Menu-bar example. +- Examples: Added Simple Layout example. +- Examples: AutoResize demo doesn't use TextWrapped(). +- Examples: Console example uses standard malloc/free, makes more sense as a copy & pastable example. +- Examples: DirectX9/11: Fixed key mapping for down arrow. +- Examples: DirectX9/11: hide OS cursor if ImGui is drawing it. (#155) +- Examples: DirectX11: explicitly set rasterizer state. +- Examples: OpenGL3: Add conditional compilation of forward compat as required by glfw on OSX. (#229) +- Fixed build with Visual Studio 2008 (possibly earlier versions as well). +- Other fixes, comments, tweaks. + + +----------------------------------------------------------------------- + +For older version, see https://github.com/ocornut/imgui/releases + diff --git a/imgui-submodule/imgui/docs/FAQ.md b/imgui-submodule/imgui/docs/FAQ.md new file mode 100644 index 0000000..b173a73 --- /dev/null +++ b/imgui-submodule/imgui/docs/FAQ.md @@ -0,0 +1,605 @@ +# FAQ (Frequenty Asked Questions) + +You may link to this document using short form: + https://www.dearimgui.org/faq +or its real address: + https://github.com/ocornut/imgui/blob/master/docs/FAQ.md +or view this file with any Markdown viewer. + + +## Index + +| **Q&A: Basics** | +:---------------------------------------------------------- | +| [Where is the documentation?](#q-where-is-the-documentation) | +| [What is this library called?](#q-what-is-this-library-called) | +| [Which version should I get?](#q-which-version-should-i-get) | +| **Q&A: Integration** | +| **[How can I tell whether to dispatch mouse/keyboard to Dear ImGui or to my application?](#q-how-can-i-tell-whether-to-dispatch-mousekeyboard-to-dear-imgui-or-to-my-application)** | +| [How can I enable keyboard or gamepad controls?](#q-how-can-i-enable-keyboard-or-gamepad-controls) | +| [How can I use this on a machine without mouse, keyboard or screen? (input share, remote display)](#q-how-can-i-use-this-on-a-machine-without-mouse-keyboard-or-screen-input-share-remote-display) | +| [I integrated Dear ImGui in my engine and the text or lines are blurry..](#q-i-integrated-dear-imgui-in-my-engine-and-the-text-or-lines-are-blurry) | +| [I integrated Dear ImGui in my engine and some elements are clipping or disappearing when I move windows around..](#q-i-integrated-dear-imgui-in-my-engine-and-some-elements-are-clipping-or-disappearing-when-i-move-windows-around) | +| **Q&A: Usage** | +| **[Why are multiple widgets reacting when I interact with a single one?
How can I have multiple widgets with the same label or with an empty label?](#q-why-are-multiple-widgets-reacting-when-i-interact-with-a-single-one-q-how-can-i-have-multiple-widgets-with-the-same-label-or-with-an-empty-label)** | +| [How can I display an image? What is ImTextureID, how does it work?](#q-how-can-i-display-an-image-what-is-imtextureid-how-does-it-work)| +| [How can I use my own math types instead of ImVec2/ImVec4?](#q-how-can-i-use-my-own-math-types-instead-of-imvec2imvec4) | +| [How can I interact with standard C++ types (such as std::string and std::vector)?](#q-how-can-i-interact-with-standard-c-types-such-as-stdstring-and-stdvector) | +| [How can I display custom shapes? (using low-level ImDrawList API)](#q-how-can-i-display-custom-shapes-using-low-level-imdrawlist-api) | +| **Q&A: Fonts, Text** | +| [How can I load a different font than the default?](#q-how-can-i-load-a-different-font-than-the-default) | +| [How can I easily use icons in my application?](#q-how-can-i-easily-use-icons-in-my-application) | +| [How can I load multiple fonts?](#q-how-can-i-load-multiple-fonts) | +| [How can I display and input non-Latin characters such as Chinese, Japanese, Korean, Cyrillic?](#q-how-can-i-display-and-input-non-latin-characters-such-as-chinese-japanese-korean-cyrillic) | +| **Q&A: Concerns** | +| [Who uses Dear ImGui?](#q-who-uses-dear-imgui) | +| [Can you create elaborate/serious tools with Dear ImGui?](#q-can-you-create-elaborateserious-tools-with-dear-imgui) | +| [Can you reskin the look of Dear ImGui?](#q-can-you-reskin-the-look-of-dear-imgui) | +| [Why using C++ (as opposed to C)?](#q-why-using-c-as-opposed-to-c) | +| **Q&A: Community** | +| [How can I help?](#q-how-can-i-help) | + + +# Q&A: Basics + +### Q: Where is the documentation? + +**This library is poorly documented at the moment and expects of the user to be acquainted with C/C++.** +- Dozens of standalone example applications using e.g. OpenGL/DirectX are provided in the [examples/](https://github.com/ocornut/imgui/blob/master/examples/) folder to explain how to integrate Dear ImGui with your own engine/application. You can run those applications and explore them. +- See demo code in [imgui_demo.cpp](https://github.com/ocornut/imgui/blob/master/imgui_demo.cpp) and particularly the `ImGui::ShowDemoWindow()` function. The demo covers most features of Dear ImGui, so you can read the code and see its output. +- See documentation and comments at the top of [imgui.cpp](https://github.com/ocornut/imgui/blob/master/imgui.cpp) + general API comments in [imgui.h](https://github.com/ocornut/imgui/blob/master/imgui.h). +- The [Wiki](https://github.com/ocornut/imgui/wiki) has many resources and links. +- The [Glossary](https://github.com/ocornut/imgui/wiki/Glossary) page may be useful. +- The [Issues](https://github.com/ocornut/imgui/issues) section can be searched for past questions and issues. +- Your programming IDE is your friend, find the type or function declaration to find comments associated to it. +- The `ImGui::ShowMetricsWindow()` function exposes lots of internal information and tools. Although it is primary designed as a debugging tool, having access to that information tends to help understands concepts. + +##### [Return to Index](#index) + +--- + +### Q. What is this library called? + +**This library is called Dear ImGui**. Please refer to it as Dear ImGui (not ImGui, not IMGUI). + +(The library misleadingly started its life in 2014 as "ImGui" due to the fact that I didn't give it a proper name when when I released 1.0, and had no particular expectation that it would take off. However, the term IMGUI (immediate-mode graphical user interface) was coined before and is being used in variety of other situations e.g. Unity uses it own implementation of the IMGUI paradigm. To reduce the ambiguity without affecting existing code bases, I have decided in December 2015 a fully qualified name "Dear ImGui" for this library. + +##### [Return to Index](#index) + +--- + +### Q: Which version should I get? +I occasionally tag [Releases](https://github.com/ocornut/imgui/releases) but it is generally safe and recommended to sync to master/latest. The library is fairly stable and regressions tend to be fixed fast when reported. + +You may use the [docking](https://github.com/ocornut/imgui/tree/docking) branch which includes: +- [Docking features](https://github.com/ocornut/imgui/issues/2109) +- [Multi-viewport features](https://github.com/ocornut/imgui/issues/1542) + +Many projects are using this branch and it is kept in sync with master regularly. + +##### [Return to Index](#index) + +---- + +# Q&A: Integration + +### Q: How can I tell whether to dispatch mouse/keyboard to Dear ImGui or to my application? + +You can read the `io.WantCaptureMouse`, `io.WantCaptureKeyboard` and `io.WantTextInput` flags from the ImGuiIO structure. + +e.g. `if (ImGui::GetIO().WantCaptureMouse) { ... }` + +- When `io.WantCaptureMouse` is set, imgui wants to use your mouse state, and you may want to discard/hide the inputs from the rest of your application. +- When `io.WantCaptureKeyboard` is set, imgui wants to use your keyboard state, and you may want to discard/hide the inputs from the rest of your application. +- When `io.WantTextInput` is set to may want to notify your OS to popup an on-screen keyboard, if available (e.g. on a mobile phone, or console OS). + +**Note:** You should always pass your mouse/keyboard inputs to Dear ImGui, even when the io.WantCaptureXXX flag are set false. + This is because imgui needs to detect that you clicked in the void to unfocus its own windows. + +**Note:** The `io.WantCaptureMouse` is more accurate that any manual attempt to "check if the mouse is hovering a window" (don't do that!). It handle mouse dragging correctly (both dragging that started over your application or over an imgui window) and handle e.g. modal windows blocking inputs. Those flags are updated by `ImGui::NewFrame()`. Preferably read the flags after calling NewFrame() if you can afford it, but reading them before is also perfectly fine, as the bool toggle fairly rarely. If you have on a touch device, you might find use for an early call to `UpdateHoveredWindowAndCaptureFlags()`. + +**Note:** Text input widget releases focus on "Return KeyDown", so the subsequent "Return KeyUp" event that your application receive will typically have `io.WantCaptureKeyboard == false`. Depending on your application logic it may or not be inconvenient. You might want to track which key-downs were targeted for Dear ImGui, e.g. with an array of bool, and filter out the corresponding key-ups.) + +##### [Return to Index](#index) + +--- + +### Q: How can I enable keyboard or gamepad controls? +- The gamepad/keyboard navigation is fairly functional and keeps being improved. The initial focus was to support game controllers, but keyboard is becoming increasingly and decently usable. Gamepad support is particularly useful to use Dear ImGui on a game console (e.g. PS4, Switch, XB1) without a mouse connected! +- Keyboard: set `io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard` to enable. +- Gamepad: set `io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad` to enable (with a supporting back-end). +- See [Control Sheets for Gamepads](http://www.dearimgui.org/controls_sheets) (reference PNG/PSD for for PS4, XB1, Switch gamepads). +- See `USING GAMEPAD/KEYBOARD NAVIGATION CONTROLS` section of [imgui.cpp](https://github.com/ocornut/imgui/blob/master/imgui.cpp) for more details. + +##### [Return to Index](#index) + +--- + +### Q: How can I use this on a machine without mouse, keyboard or screen? (input share, remote display) +- You can share your computer mouse seamlessly with your console/tablet/phone using solutions such as [Synergy](https://symless.com/synergy) +This is the preferred solution for developer productivity. +In particular, the [micro-synergy-client repository](https://github.com/symless/micro-synergy-client) has simple +and portable source code (uSynergy.c/.h) for a small embeddable client that you can use on any platform to connect +to your host computer, based on the Synergy 1.x protocol. Make sure you download the Synergy 1 server on your computer. +Console SDK also sometimes provide equivalent tooling or wrapper for Synergy-like protocols. +- Game console users: consider emulating a mouse cursor with DualShock4 touch pad or a spare analog stick as a mouse-emulation fallback. +- You may also use a third party solution such as [Remote ImGui](https://github.com/JordiRos/remoteimgui) or [imgui-ws](https://github.com/ggerganov/imgui-ws) which sends the vertices to render over the local network, allowing you to use Dear ImGui even on a screen-less machine. See [Wiki](https://github.com/ocornut/imgui/wiki) index for most details. +- For touch inputs, you can increase the hit box of widgets (via the `style.TouchPadding` setting) to accommodate for the lack of precision of touch inputs, but it is recommended you use a mouse or gamepad to allow optimizing for screen real-estate and precision. + +##### [Return to Index](#index) + +--- + +### Q: I integrated Dear ImGui in my engine and the text or lines are blurry.. +In your Render function, try translating your projection matrix by (0.5f,0.5f) or (0.375f,0.375f). +Also make sure your orthographic projection matrix and io.DisplaySize matches your actual framebuffer dimension. + +##### [Return to Index](#index) + +--- + +### Q: I integrated Dear ImGui in my engine and some elements are clipping or disappearing when I move windows around.. +You are probably mishandling the clipping rectangles in your render function. +Rectangles provided by ImGui are defined as +`(x1=left,y1=top,x2=right,y2=bottom)` +and **NOT** as +`(x1,y1,width,height)` + +##### [Return to Index](#index) + +--- + +# Q&A: Usage + +### Q: Why are multiple widgets reacting when I interact with a single one?
Q: How can I have multiple widgets with the same label or with an empty label? + +A primer on labels and the ID Stack... + +Dear ImGui internally need to uniquely identify UI elements. +Elements that are typically not clickable (such as calls to the Text functions) don't need an ID. +Interactive widgets (such as calls to Button buttons) need a unique ID. +Unique ID are used internally to track active widgets and occasionally associate state to widgets. +Unique ID are implicitly built from the hash of multiple elements that identify the "path" to the UI element. + +- Unique ID are often derived from a string label and at minimum scoped within their host window: +```c +Begin("MyWindow"); +Button("OK"); // Label = "OK", ID = hash of ("MyWindow" "OK") +Button("Cancel"); // Label = "Cancel", ID = hash of ("MyWindow", "Cancel") +End(); +``` +- Other elements such as tree nodes, etc. also pushes to the ID stack: +```c +Begin("MyWindow"); +if (TreeNode("MyTreeNode")) +{ + Button("OK"); // Label = "OK", ID = hash of ("MyWindow", "MyTreeNode", "OK") + TreePop(); +} +End(); +``` +- Two items labeled "OK" in different windows or different tree locations won't collide: +``` +Begin("MyFirstWindow"); +Button("OK"); // Label = "OK", ID = hash of ("MyFirstWindow", "OK") +End(); +Begin("MyOtherWindow"); +Button("OK"); // Label = "OK", ID = hash of ("MyOtherWindow", "OK") +End(); +``` + +We used "..." above to signify whatever was already pushed to the ID stack previously: + +- If you have a same ID twice in the same location, you'll have a conflict: +```c +Button("OK"); +Button("OK"); // ID collision! Interacting with either button will trigger the first one. +``` +Fear not! this is easy to solve and there are many ways to solve it! + +- Solving ID conflict in a simple/local context: +When passing a label you can optionally specify extra ID information within string itself. +Use "##" to pass a complement to the ID that won't be visible to the end-user. +This helps solving the simple collision cases when you know e.g. at compilation time which items +are going to be created: +```c +Begin("MyWindow"); +Button("Play"); // Label = "Play", ID = hash of ("MyWindow", "Play") +Button("Play##foo1"); // Label = "Play", ID = hash of ("MyWindow", "Play##foo1") // Different from above +Button("Play##foo2"); // Label = "Play", ID = hash of ("MyWindow", "Play##foo2") // Different from above +End(); +``` +- If you want to completely hide the label, but still need an ID: +```c +Checkbox("##On", &b); // Label = "", ID = hash of (..., "##On") // No visible label, just a checkbox! +``` +- Occasionally/rarely you might want change a label while preserving a constant ID. This allows +you to animate labels. For example you may want to include varying information in a window title bar, +but windows are uniquely identified by their ID. Use "###" to pass a label that isn't part of ID: +```c +Button("Hello###ID"); // Label = "Hello", ID = hash of (..., "###ID") +Button("World###ID"); // Label = "World", ID = hash of (..., "###ID") // Same as above, even if the label looks different + +sprintf(buf, "My game (%f FPS)###MyGame", fps); +Begin(buf); // Variable title, ID = hash of "MyGame" +``` +- Solving ID conflict in a more general manner: +Use PushID() / PopID() to create scopes and manipulate the ID stack, as to avoid ID conflicts +within the same window. This is the most convenient way of distinguishing ID when iterating and +creating many UI elements programmatically. +You can push a pointer, a string or an integer value into the ID stack. +Remember that ID are formed from the concatenation of _everything_ pushed into the ID stack. +At each level of the stack we store the seed used for items at this level of the ID stack. +```c +Begin("Window"); +for (int i = 0; i < 100; i++) +{ + PushID(i); // Push i to the id tack + Button("Click"); // Label = "Click", ID = hash of ("Window", i, "Click") + PopID(); +} +for (int i = 0; i < 100; i++) +{ + MyObject* obj = Objects[i]; + PushID(obj); + Button("Click"); // Label = "Click", ID = hash of ("Window", obj pointer, "Click") + PopID(); +} +for (int i = 0; i < 100; i++) +{ + MyObject* obj = Objects[i]; + PushID(obj->Name); + Button("Click"); // Label = "Click", ID = hash of ("Window", obj->Name, "Click") + PopID(); +} +End(); +``` +- You can stack multiple prefixes into the ID stack: +```c +Button("Click"); // Label = "Click", ID = hash of (..., "Click") +PushID("node"); + Button("Click"); // Label = "Click", ID = hash of (..., "node", "Click") + PushID(my_ptr); + Button("Click"); // Label = "Click", ID = hash of (..., "node", my_ptr, "Click") + PopID(); +PopID(); +``` +- Tree nodes implicitly creates a scope for you by calling PushID(). +```c +Button("Click"); // Label = "Click", ID = hash of (..., "Click") +if (TreeNode("node")) // <-- this function call will do a PushID() for you (unless instructed not to, with a special flag) +{ + Button("Click"); // Label = "Click", ID = hash of (..., "node", "Click") + TreePop(); +} +``` +- When working with trees, ID are used to preserve the open/close state of each tree node. +Depending on your use cases you may want to use strings, indices or pointers as ID. +e.g. when following a single pointer that may change over time, using a static string as ID +will preserve your node open/closed state when the targeted object change. +e.g. when displaying a list of objects, using indices or pointers as ID will preserve the +node open/closed state differently. See what makes more sense in your situation! + +##### [Return to Index](#index) + +--- + +### Q: How can I display an image? What is ImTextureID, how does it work? + +Short explanation: +- Refer to [Image Loading and Displaying Examples](https://github.com/ocornut/imgui/wiki/Image-Loading-and-Displaying-Examples) on the [Wiki](https://github.com/ocornut/imgui/wiki). +- You may use functions such as `ImGui::Image()`, `ImGui::ImageButton()` or lower-level `ImDrawList::AddImage()` to emit draw calls that will use your own textures. +- Actual textures are identified in a way that is up to the user/engine. Those identifiers are stored and passed as ImTextureID (void*) value. +- Loading image files from the disk and turning them into a texture is not within the scope of Dear ImGui (for a good reason). + +**Please read documentations or tutorials on your graphics API to understand how to display textures on the screen before moving onward.** + +Long explanation: +- Dear ImGui's job is to create "meshes", defined in a renderer-agnostic format made of draw commands and vertices. At the end of the frame those meshes (ImDrawList) will be displayed by your rendering function. They are made up of textured polygons and the code to render them is generally fairly short (a few dozen lines). In the examples/ folder we provide functions for popular graphics API (OpenGL, DirectX, etc.). +- Each rendering function decides on a data type to represent "textures". The concept of what is a "texture" is entirely tied to your underlying engine/graphics API. + We carry the information to identify a "texture" in the ImTextureID type. +ImTextureID is nothing more that a void*, aka 4/8 bytes worth of data: just enough to store 1 pointer or 1 integer of your choice. +Dear ImGui doesn't know or understand what you are storing in ImTextureID, it merely pass ImTextureID values until they reach your rendering function. +- In the [examples/](https://github.com/ocornut/imgui/tree/master/examples) bindings, for each graphics API binding we decided on a type that is likely to be a good representation for specifying an image from the end-user perspective. This is what the _examples_ rendering functions are using: +``` +OpenGL: +- ImTextureID = GLuint +- See ImGui_ImplOpenGL3_RenderDrawData() function in imgui_impl_opengl3.cpp +``` +``` +DirectX9: +- ImTextureID = LPDIRECT3DTEXTURE9 +- See ImGui_ImplDX9_RenderDrawData() function in imgui_impl_dx9.cpp +``` +``` +DirectX11: +- ImTextureID = ID3D11ShaderResourceView* +- See ImGui_ImplDX11_RenderDrawData() function in imgui_impl_dx11.cpp +``` +``` +DirectX12: +- ImTextureID = D3D12_GPU_DESCRIPTOR_HANDLE +- See ImGui_ImplDX12_RenderDrawData() function in imgui_impl_dx12.cpp +``` +For example, in the OpenGL example binding we store raw OpenGL texture identifier (GLuint) inside ImTextureID. +Whereas in the DirectX11 example binding we store a pointer to ID3D11ShaderResourceView inside ImTextureID, which is a higher-level structure tying together both the texture and information about its format and how to read it. + +- If you have a custom engine built over e.g. OpenGL, instead of passing GLuint around you may decide to use a high-level data type to carry information about the texture as well as how to display it (shaders, etc.). The decision of what to use as ImTextureID can always be made better knowing how your codebase is designed. If your engine has high-level data types for "textures" and "material" then you may want to use them. +If you are starting with OpenGL or DirectX or Vulkan and haven't built much of a rendering engine over them, keeping the default ImTextureID representation suggested by the example bindings is probably the best choice. +(Advanced users may also decide to keep a low-level type in ImTextureID, and use ImDrawList callback and pass information to their renderer) + +User code may do: +```cpp +// Cast our texture type to ImTextureID / void* +MyTexture* texture = g_CoffeeTableTexture; +ImGui::Image((void*)texture, ImVec2(texture->Width, texture->Height)); +``` +The renderer function called after ImGui::Render() will receive that same value that the user code passed: +```cpp +// Cast ImTextureID / void* stored in the draw command as our texture type +MyTexture* texture = (MyTexture*)pcmd->TextureId; +MyEngineBindTexture2D(texture); +``` +Once you understand this design you will understand that loading image files and turning them into displayable textures is not within the scope of Dear ImGui. +This is by design and is actually a good thing, because it means your code has full control over your data types and how you display them. +If you want to display an image file (e.g. PNG file) into the screen, please refer to documentation and tutorials for the graphics API you are using. + +Refer to [Image Loading and Displaying Examples](https://github.com/ocornut/imgui/wiki/Image-Loading-and-Displaying-Examples) on the [Wiki](https://github.com/ocornut/imgui/wiki) to find simplified examples for loading textures with OpenGL, DirectX9 and DirectX11. + +C/C++ tip: a void* is pointer-sized storage. You may safely store any pointer or integer into it by casting your value to ImTextureID / void*, and vice-versa. +Because both end-points (user code and rendering function) are under your control, you know exactly what is stored inside the ImTextureID / void*. +Examples: +```cpp +GLuint my_tex = XXX; +void* my_void_ptr; +my_void_ptr = (void*)(intptr_t)my_tex; // cast a GLuint into a void* (we don't take its address! we literally store the value inside the pointer) +my_tex = (GLuint)(intptr_t)my_void_ptr; // cast a void* into a GLuint + +ID3D11ShaderResourceView* my_dx11_srv = XXX; +void* my_void_ptr; +my_void_ptr = (void*)my_dx11_srv; // cast a ID3D11ShaderResourceView* into an opaque void* +my_dx11_srv = (ID3D11ShaderResourceView*)my_void_ptr; // cast a void* into a ID3D11ShaderResourceView* +``` +Finally, you may call `ImGui::ShowMetricsWindow()` to explore/visualize/understand how the ImDrawList are generated. + +##### [Return to Index](#index) + +--- + +### Q: How can I use my own math types instead of ImVec2/ImVec4? + +You can edit [imconfig.h](https://github.com/ocornut/imgui/blob/master/imconfig.h) and setup the `IM_VEC2_CLASS_EXTRA`/`IM_VEC4_CLASS_EXTRA` macros to add implicit type conversions. +This way you'll be able to use your own types everywhere, e.g. passing `MyVector2` or `glm::vec2` to ImGui functions instead of `ImVec2`. + +##### [Return to Index](#index) + +--- + +### Q: How can I interact with standard C++ types (such as std::string and std::vector)? +- Being highly portable (bindings for several languages, frameworks, programming style, obscure or older platforms/compilers), and aiming for compatibility & performance suitable for every modern real-time game engines, dear imgui does not use any of std C++ types. We use raw types (e.g. char* instead of std::string) because they adapt to more use cases. +- To use ImGui::InputText() with a std::string or any resizable string class, see [misc/cpp/imgui_stdlib.h](https://github.com/ocornut/imgui/blob/master/misc/cpp/imgui_stdlib.h). +- To use combo boxes and list boxes with `std::vector` or any other data structure: the `BeginCombo()/EndCombo()` API +lets you iterate and submit items yourself, so does the `ListBoxHeader()/ListBoxFooter()` API. +Prefer using them over the old and awkward `Combo()/ListBox()` api. +- Generally for most high-level types you should be able to access the underlying data type. +You may write your own one-liner wrappers to facilitate user code (tip: add new functions in ImGui:: namespace from your code). +- Dear ImGui applications often need to make intensive use of strings. It is expected that many of the strings you will pass +to the API are raw literals (free in C/C++) or allocated in a manner that won't incur a large cost on your application. +Please bear in mind that using `std::string` on applications with large amount of UI may incur unsatisfactory performances. +Modern implementations of `std::string` often include small-string optimization (which is often a local buffer) but those +are not configurable and not the same across implementations. +- If you are finding your UI traversal cost to be too large, make sure your string usage is not leading to excessive amount +of heap allocations. Consider using literals, statically sized buffers and your own helper functions. A common pattern +is that you will need to build lots of strings on the fly, and their maximum length can be easily be scoped ahead. +One possible implementation of a helper to facilitate printf-style building of strings: https://github.com/ocornut/Str +This is a small helper where you can instance strings with configurable local buffers length. Many game engines will +provide similar or better string helpers. + +##### [Return to Index](#index) + +--- + +### Q: How can I display custom shapes? (using low-level ImDrawList API) + +- You can use the low-level `ImDrawList` api to render shapes within a window. + +``` +ImGui::Begin("My shapes"); + +ImDrawList* draw_list = ImGui::GetWindowDrawList(); + +// Get the current ImGui cursor position +ImVec2 p = ImGui::GetCursorScreenPos(); + +// Draw a red circle +draw_list->AddCircleFilled(ImVec2(p.x + 50, p.y + 50), 30.0f, IM_COL32(255, 0, 0, 255), 16); + +// Draw a 3 pixel thick yellow line +draw_list->AddLine(ImVec2(p.x, p.y), ImVec2(p.x + 100.0f, p.y + 100.0f), IM_COL32(255, 255, 0, 255), 3.0f); + +// Advance the ImGui cursor to claim space in the window (otherwise the window will appears small and needs to be resized) +ImGui::Dummy(ImVec2(200, 200)); + +ImGui::End(); +``` +![ImDrawList usage](https://raw.githubusercontent.com/wiki/ocornut/imgui/tutorials/CustomRendering01.png) + +- Refer to "Demo > Examples > Custom Rendering" in the demo window and read the code of `ShowExampleAppCustomRendering()` in `imgui_demo.cpp` from more examples. +- To generate colors: you can use the macro `IM_COL32(255,255,255,255)` to generate them at compile time, or use `ImGui::GetColorU32(IM_COL32(255,255,255,255))` or `ImGui::GetColorU32(ImVec4(1.0f,1.0f,1.0f,1.0f))` to generate a color that is multiplied by the current value of `style.Alpha`. +- Math operators: if you have setup `IM_VEC2_CLASS_EXTRA` in `imconfig.h` to bind your own math types, you can use your own math types and their natural operators instead of ImVec2. ImVec2 by default doesn't export any math operators in the public API. You may use `#define IMGUI_DEFINE_MATH_OPERATORS` `#include "imgui_internal.h"` to use the internally defined math operators, but instead prefer using your own math library and set it up in `imconfig.h`. +- You can use `ImGui::GetBackgroundDrawList()` or `ImGui::GetForegroundDrawList()` to access draw lists which will be displayed behind and over every other dear imgui windows (one bg/fg drawlist per viewport). This is very convenient if you need to quickly display something on the screen that is not associated to a dear imgui window. +- You can also create your own dummy window and draw inside it. Call Begin() with the NoBackground | NoDecoration | NoSavedSettings | NoInputs flags (The `ImGuiWindowFlags_NoDecoration` flag itself is a shortcut for NoTitleBar | NoResize | NoScrollbar | NoCollapse). Then you can retrieve the ImDrawList* via GetWindowDrawList() and draw to it in any way you like. +- You can create your own ImDrawList instance. You'll need to initialize them with `ImGui::GetDrawListSharedData()`, or create your own instancing ImDrawListSharedData, and then call your renderer function with your own ImDrawList or ImDrawData data. + +##### [Return to Index](#index) + +--- + +# Q&A: Fonts, Text + +### Q: How can I load a different font than the default? +Use the font atlas to load the TTF/OTF file you want: + +```c +ImGuiIO& io = ImGui::GetIO(); +io.Fonts->AddFontFromFileTTF("myfontfile.ttf", size_in_pixels); +io.Fonts->GetTexDataAsRGBA32() or GetTexDataAsAlpha8() +``` + +Default is ProggyClean.ttf, monospace, rendered at size 13, embedded in dear imgui's source code. + +(Tip: monospace fonts are convenient because they allow to facilitate horizontal alignment directly at the string level.) + +(Read the [docs/FONTS.txt](https://github.com/ocornut/imgui/blob/master/docs/FONTS.txt) file for more details about font loading.) + +New programmers: remember that in C/C++ and most programming languages if you want to use a +backslash \ within a string literal, you need to write it double backslash "\\": + +```c +io.Fonts->AddFontFromFileTTF("MyFolder\MyFont.ttf", size); // WRONG (you are escaping the M here!) +io.Fonts->AddFontFromFileTTF("MyFolder\\MyFont.ttf", size; // CORRECT +io.Fonts->AddFontFromFileTTF("MyFolder/MyFont.ttf", size); // ALSO CORRECT +``` + +##### [Return to Index](#index) + +--- + +### Q: How can I easily use icons in my application? +The most convenient and practical way is to merge an icon font such as FontAwesome inside you +main font. Then you can refer to icons within your strings. +You may want to see `ImFontConfig::GlyphMinAdvanceX` to make your icon look monospace to facilitate alignment. +(Read the [docs/FONTS.txt](https://github.com/ocornut/imgui/blob/master/docs/FONTS.txt) file for more details about icons font loading.) +With some extra effort, you may use colorful icon by registering custom rectangle space inside the font atlas, +and copying your own graphics data into it. See docs/FONTS.txt about using the AddCustomRectFontGlyph API. + +##### [Return to Index](#index) + +--- + +### Q: How can I load multiple fonts? +Use the font atlas to pack them into a single texture: +(Read the [docs/FONTS.txt](https://github.com/ocornut/imgui/blob/master/docs/FONTS.txt) file and the code in ImFontAtlas for more details.) + +```cpp +ImGuiIO& io = ImGui::GetIO(); +ImFont* font0 = io.Fonts->AddFontDefault(); +ImFont* font1 = io.Fonts->AddFontFromFileTTF("myfontfile.ttf", size_in_pixels); +ImFont* font2 = io.Fonts->AddFontFromFileTTF("myfontfile2.ttf", size_in_pixels); +io.Fonts->GetTexDataAsRGBA32() or GetTexDataAsAlpha8() +// the first loaded font gets used by default +// use ImGui::PushFont()/ImGui::PopFont() to change the font at runtime + +// Options +ImFontConfig config; +config.OversampleH = 2; +config.OversampleV = 1; +config.GlyphOffset.y -= 1.0f; // Move everything by 1 pixels up +config.GlyphExtraSpacing.x = 1.0f; // Increase spacing between characters +io.Fonts->AddFontFromFileTTF("myfontfile.ttf", size_pixels, &config); + +// Combine multiple fonts into one (e.g. for icon fonts) +static ImWchar ranges[] = { 0xf000, 0xf3ff, 0 }; +ImFontConfig config; +config.MergeMode = true; +io.Fonts->AddFontDefault(); +io.Fonts->AddFontFromFileTTF("fontawesome-webfont.ttf", 16.0f, &config, ranges); // Merge icon font +io.Fonts->AddFontFromFileTTF("myfontfile.ttf", size_pixels, NULL, &config, io.Fonts->GetGlyphRangesJapanese()); // Merge japanese glyphs +``` + +##### [Return to Index](#index) + +--- + +### Q: How can I display and input non-Latin characters such as Chinese, Japanese, Korean, Cyrillic? +When loading a font, pass custom Unicode ranges to specify the glyphs to load. + +```cpp +// Add default Japanese ranges +io.Fonts->AddFontFromFileTTF("myfontfile.ttf", size_in_pixels, NULL, io.Fonts->GetGlyphRangesJapanese()); + +// Or create your own custom ranges (e.g. for a game you can feed your entire game script and only build the characters the game need) +ImVector ranges; +ImFontGlyphRangesBuilder builder; +builder.AddText("Hello world"); // Add a string (here "Hello world" contains 7 unique characters) +builder.AddChar(0x7262); // Add a specific character +builder.AddRanges(io.Fonts->GetGlyphRangesJapanese()); // Add one of the default ranges +builder.BuildRanges(&ranges); // Build the final result (ordered ranges with all the unique characters submitted) +io.Fonts->AddFontFromFileTTF("myfontfile.ttf", 16.0f, NULL, ranges.Data); +``` + +All your strings needs to use UTF-8 encoding. In C++11 you can encode a string literal in UTF-8 +by using the u8"hello" syntax. Specifying literal in your source code using a local code page +(such as CP-923 for Japanese or CP-1251 for Cyrillic) will NOT work! +Otherwise you can convert yourself to UTF-8 or load text data from file already saved as UTF-8. + +Text input: it is up to your application to pass the right character code by calling `io.AddInputCharacter()`. +The applications in examples/ are doing that. +Windows: you can use the WM_CHAR or WM_UNICHAR or WM_IME_CHAR message (depending if your app is built using Unicode or MultiByte mode). +You may also use MultiByteToWideChar() or ToUnicode() to retrieve Unicode codepoints from MultiByte characters or keyboard state. +Windows: if your language is relying on an Input Method Editor (IME), you copy the HWND of your window to io.ImeWindowHandle in order for +the default implementation of io.ImeSetInputScreenPosFn() to set your Microsoft IME position correctly. + +##### [Return to Index](#index) + +--- + +# Q&A: Concerns + +### Q: Who uses Dear ImGui? + +You may take a look at: + +- [Quotes](https://github.com/ocornut/imgui/wiki/Quotes) +- [Software using Dear ImGui](https://github.com/ocornut/imgui/wiki/Software-using-dear-imgui) +- [Gallery](https://github.com/ocornut/imgui/issues/2847) + +##### [Return to Index](#index) + +--- + +### Q: Can you create elaborate/serious tools with Dear ImGui? + +Yes. People have written game editors, data browsers, debuggers, profilers and all sort of non-trivial tools with the library. In my experience the simplicity of the API is very empowering. Your UI runs close to your live data. Make the tools always-on and everybody in the team will be inclined to create new tools (as opposed to more "offline" UI toolkits where only a fraction of your team effectively creates tools). The list of sponsors below is also an indicator that serious game teams have been using the library. + +Dear ImGui is very programmer centric and the immediate-mode GUI paradigm might require you to readjust some habits before you can realize its full potential. Dear ImGui is about making things that are simple, efficient and powerful. + +Dear ImGui is built to be efficient and scalable toward the needs for AAA-quality applications running all day. The IMGUI paradigm offers different opportunities for optimization that the more typical RMGUI paradigm. + +##### [Return to Index](#index) + +--- + +### Q: Can you reskin the look of Dear ImGui? + +Somehow. You can alter the look of the interface to some degree: changing colors, sizes, padding, rounding, fonts. However, as Dear ImGui is designed and optimized to create debug tools, the amount of skinning you can apply is limited. There is only so much you can stray away from the default look and feel of the interface. Dear ImGui is NOT designed to create user interface for games, although with ingenious use of the low-level API you can do it. + +A reasonably skinned application may look like (screenshot from [#2529](https://github.com/ocornut/imgui/issues/2529#issuecomment-524281119)) +![minipars](https://user-images.githubusercontent.com/314805/63589441-d9794f00-c5b1-11e9-8d96-cfc1b93702f7.png) + +##### [Return to Index](#index) + +--- + +### Q: Why using C++ (as opposed to C)? + +Dear ImGui takes advantage of a few C++ languages features for convenience but nothing anywhere Boost insanity/quagmire. Dear ImGui does NOT require C++11 so it can be used with most old C++ compilers. Dear ImGui doesn't use any C++ header file. Language-wise, function overloading and default parameters are used to make the API easier to use and code more terse. Doing so I believe the API is sitting on a sweet spot and giving up on those features would make the API more cumbersome. Other features such as namespace, constructors and templates (in the case of the ImVector<> class) are also relied on as a convenience. + +There is an auto-generated [c-api for Dear ImGui (cimgui)](https://github.com/cimgui/cimgui) by Sonoro1234 and Stephan Dilly. It is designed for creating binding to other languages. If possible, I would suggest using your target language functionalities to try replicating the function overloading and default parameters used in C++ else the API may be harder to use. Also see [Bindings](https://github.com/ocornut/imgui/wiki/Bindings) for various third-party bindings. + +##### [Return to Index](#index) + +--- + +# Q&A: Community + +### Q: How can I help? +- Businesses: please reach out to `contact AT dearimgui.org` if you work in a place using Dear ImGui! We can discuss ways for your company to fund development via invoiced technical support, maintenance or sponsoring contacts. This is among the most useful thing you can do for Dear ImGui. With increased funding we can hire more people working on this project. +- Individuals: you can support continued maintenance and development via PayPal donations. See [README](https://github.com/ocornut/imgui/blob/master/docs/README.md). +- If you are experienced with Dear ImGui and C++, look at the [GitHub Issues](https://github.com/ocornut/imgui/issues), look at the [Wiki](https://github.com/ocornut/imgui/wiki), read [docs/TODO.txt](https://github.com/ocornut/imgui/blob/master/docs/TODO.txt) and see how you want to help and can help! +- Disclose your usage of Dear ImGui via a dev blog post, a tweet, a screenshot, a mention somewhere etc. +You may post screenshot or links in the [gallery threads](https://github.com/ocornut/imgui/issues/2847). Visuals are ideal as they inspire other programmers. Disclosing your use of dear imgui help the library grow credibility, and help other teams and programmers with taking decisions. +- If you have issues or if you need to hack into the library, even if you don't expect any support it is useful that you share your issues or sometimes incomplete PR. + +##### [Return to Index](#index) + diff --git a/imgui-submodule/imgui/docs/FONTS.txt b/imgui-submodule/imgui/docs/FONTS.txt new file mode 100644 index 0000000..e3690f1 --- /dev/null +++ b/imgui-submodule/imgui/docs/FONTS.txt @@ -0,0 +1,376 @@ +dear imgui +FONTS DOCUMENTATION + +Also read https://www.dearimgui.org/faq for more fonts related infos. + +The code in imgui.cpp embeds a copy of 'ProggyClean.ttf' (by Tristan Grimmer), +a 13 pixels high, pixel-perfect font used by default. +We embed it font in source code so you can use Dear ImGui without any file system access. + +You may also load external .TTF/.OTF files. +The files in this folder are suggested fonts, provided as a convenience. + +Please read the FAQ: https://www.dearimgui.org/faq +Please use the Discord server: http://discord.dearimgui.org and not the Github issue tracker for basic font loading questions. + + +--------------------------------------- + INDEX: +--------------------------------------- + +- Readme First / FAQ +- Fonts Loading Instructions +- Using Icons +- Using FreeType rasterizer +- Building Custom Glyph Ranges +- Using custom colorful icons +- Embedding Fonts in Source Code +- Credits/Licences for fonts included in repository +- Fonts Links + + +--------------------------------------- + README FIRST / FAQ +--------------------------------------- + +- You can use the style editor ImGui::ShowStyleEditor() in the "Fonts" section to browse your fonts + and understand what's going on if you have an issue. +- Fonts are rasterized in a single texture at the time of calling either of io.Fonts->GetTexDataAsAlpha8()/GetTexDataAsRGBA32()/Build(). +- Make sure your font ranges data are persistent and available at the time the font atlas is being built. +- Use C++11 u8"my text" syntax to encode literal strings as UTF-8. e.g.: + u8"hello" + u8"こんにちは" // this will be encoded as UTF-8 +- If you want to include a backslash \ character in your string literal, you need to double them e.g. "folder\\filename". + Read FAQ for details. + + +--------------------------------------- + FONTS LOADING INSTRUCTIONS +--------------------------------------- + +Load default font: + + ImGuiIO& io = ImGui::GetIO(); + io.Fonts->AddFontDefault(); + +Load .TTF/.OTF file with: + + ImGuiIO& io = ImGui::GetIO(); + io.Fonts->AddFontFromFileTTF("font.ttf", size_pixels); + +Load multiple fonts: + + ImGuiIO& io = ImGui::GetIO(); + ImFont* font1 = io.Fonts->AddFontFromFileTTF("font.ttf", size_pixels); + ImFont* font2 = io.Fonts->AddFontFromFileTTF("anotherfont.otf", size_pixels); + + // Select font at runtime + ImGui::Text("Hello"); // use the default font (which is the first loaded font) + ImGui::PushFont(font2); + ImGui::Text("Hello with another font"); + ImGui::PopFont(); + +For advanced options create a ImFontConfig structure and pass it to the AddFont function (it will be copied internally): + + ImFontConfig config; + config.OversampleH = 2; + config.OversampleV = 1; + config.GlyphExtraSpacing.x = 1.0f; + ImFont* font = io.Fonts->AddFontFromFileTTF("font.ttf", size_pixels, &config); + +Combine two fonts into one: + + // Load a first font + ImFont* font = io.Fonts->AddFontDefault(); + + // Add character ranges and merge into the previous font + // The ranges array is not copied by the AddFont* functions and is used lazily + // so ensure it is available at the time of building or calling GetTexDataAsRGBA32(). + static const ImWchar icons_ranges[] = { 0xf000, 0xf3ff, 0 }; // Will not be copied by AddFont* so keep in scope. + ImFontConfig config; + config.MergeMode = true; + io.Fonts->AddFontFromFileTTF("DroidSans.ttf", 18.0f, &config, io.Fonts->GetGlyphRangesJapanese()); + io.Fonts->AddFontFromFileTTF("fontawesome-webfont.ttf", 18.0f, &config, icons_ranges); + io.Fonts->Build(); + +Font atlas is too large? + +- If you have very large number of glyphs or multiple fonts, the texture may become too big for your graphics API. +- The typical result of failing to upload a texture is if every glyphs appears as white rectangles. +- In particular, using a large range such as GetGlyphRangesChineseSimplifiedCommon() is not recommended + unless you set OversampleH/OversampleV to 1 and use a small font size. +- Mind the fact that some graphics drivers have texture size limitation. +- If you are building a PC application, mind the fact that users may run on hardware with lower specs than yours. + +Some solutions: + + - 1) Reduce glyphs ranges by calculating them from source localization data. + You can use ImFontGlyphRangesBuilder for this purpose, this will be the biggest win! + - 2) You may reduce oversampling, e.g. config.OversampleH = config.OversampleV = 1, this will largely reduce your texture size. + - 3) Set io.Fonts.TexDesiredWidth to specify a texture width to minimize texture height (see comment in ImFontAtlas::Build function). + - 4) Set io.Fonts.Flags |= ImFontAtlasFlags_NoPowerOfTwoHeight; to disable rounding the texture height to the next power of two. + - Read about oversampling here: https://github.com/nothings/stb/blob/master/tests/oversample + + +Add a fourth parameter to bake specific font ranges only: + + // Basic Latin, Extended Latin + io.Fonts->AddFontFromFileTTF("font.ttf", size_pixels, NULL, io.Fonts->GetGlyphRangesDefault()); + + // Default + Selection of 2500 Ideographs used by Simplified Chinese + io.Fonts->AddFontFromFileTTF("font.ttf", size_pixels, NULL, io.Fonts->GetGlyphRangesChineseSimplifiedCommon()); + + // Default + Hiragana, Katakana, Half-Width, Selection of 1946 Ideographs + io.Fonts->AddFontFromFileTTF("font.ttf", size_pixels, NULL, io.Fonts->GetGlyphRangesJapanese()); + +See "BUILDING CUSTOM GLYPH RANGES" section to create your own ranges. +Offset font vertically by altering the io.Font->DisplayOffset value: + + ImFont* font = io.Fonts->AddFontFromFileTTF("font.ttf", size_pixels); + font->DisplayOffset.y = 1; // Render 1 pixel down + + +--------------------------------------- + USING ICONS +--------------------------------------- + +Using an icon font (such as FontAwesome: http://fontawesome.io or OpenFontIcons. https://github.com/traverseda/OpenFontIcons) +is an easy and practical way to use icons in your Dear ImGui application. +A common pattern is to merge the icon font within your main font, so you can embed icons directly from your strings without +having to change fonts back and forth. + +To refer to the icon UTF-8 codepoints from your C++ code, you may use those headers files created by Juliette Foucaut: + + https://github.com/juliettef/IconFontCppHeaders + +Those files contains a bunch of named #define which you can use to refer to specific icons of the font, e.g.: + + #define ICON_FA_MUSIC "\xef\x80\x81" + #define ICON_FA_SEARCH "\xef\x80\x82" + +Example Setup: + + // Merge icons into default tool font + #include "IconsFontAwesome.h" + ImGuiIO& io = ImGui::GetIO(); + io.Fonts->AddFontDefault(); + + ImFontConfig config; + config.MergeMode = true; + config.GlyphMinAdvanceX = 13.0f; // Use if you want to make the icon monospaced + static const ImWchar icon_ranges[] = { ICON_MIN_FA, ICON_MAX_FA, 0 }; + io.Fonts->AddFontFromFileTTF("fonts/fontawesome-webfont.ttf", 13.0f, &config, icon_ranges); + +Example Usage: + + // Usage, e.g. + ImGui::Text("%s among %d items", ICON_FA_SEARCH, count); + ImGui::Button(ICON_FA_SEARCH " Search"); + +Important to understand: C string _literals_ can be concatenated at compilation time, e.g. "hello" " world" +ICON_FA_SEARCH is defined as a string literal so this is the same as "A" "B" becoming "AB" + +See Links below for other icons fonts and related tools. + + +--------------------------------------- + FREETYPE RASTERIZER, SMALL FONT SIZES +--------------------------------------- + +Dear ImGui uses imstb_truetype.h to rasterize fonts (with optional oversampling). +This technique and its implementation are not ideal for fonts rendered at _small sizes_, which may appear a +little blurry or hard to read. + +There is an implementation of the ImFontAtlas builder using FreeType that you can use in the misc/freetype/ folder. + +FreeType supports auto-hinting which tends to improve the readability of small fonts. +Note that this code currently creates textures that are unoptimally too large (could be fixed with some work). +Also note that correct sRGB space blending will have an important effect on your font rendering quality. + + +--------------------------------------- + BUILDING CUSTOM GLYPH RANGES +--------------------------------------- + +You can use the ImFontGlyphRangesBuilder helper to create glyph ranges based on text input. +For example: for a game where your script is known, if you can feed your entire script to it and only build the characters the game needs. + + ImVector ranges; + ImFontGlyphRangesBuilder builder; + builder.AddText("Hello world"); // Add a string (here "Hello world" contains 7 unique characters) + builder.AddChar(0x7262); // Add a specific character + builder.AddRanges(io.Fonts->GetGlyphRangesJapanese()); // Add one of the default ranges + builder.BuildRanges(&ranges); // Build the final result (ordered ranges with all the unique characters submitted) + + io.Fonts->AddFontFromFileTTF("myfontfile.ttf", size_in_pixels, NULL, ranges.Data); + io.Fonts->Build(); // Build the atlas while 'ranges' is still in scope and not deleted. + + +--------------------------------------- + USING CUSTOM COLORFUL ICONS +--------------------------------------- + +(This is a BETA api, use if you are familiar with dear imgui and with your rendering back-end) + +You can use the ImFontAtlas::AddCustomRect() and ImFontAtlas::AddCustomRectFontGlyph() api to register rectangles +that will be packed into the font atlas texture. Register them before building the atlas, then call Build(). +You can then use ImFontAtlas::GetCustomRectByIndex(int) to query the position/size of your rectangle within the +texture, and blit/copy any graphics data of your choice into those rectangles. + +Pseudo-code: + + // Add font, then register two custom 13x13 rectangles mapped to glyph 'a' and 'b' of this font + ImFont* font = io.Fonts->AddFontDefault(); + int rect_ids[2]; + rect_ids[0] = io.Fonts->AddCustomRectFontGlyph(font, 'a', 13, 13, 13+1); + rect_ids[1] = io.Fonts->AddCustomRectFontGlyph(font, 'b', 13, 13, 13+1); + + // Build atlas + io.Fonts->Build(); + + // Retrieve texture in RGBA format + unsigned char* tex_pixels = NULL; + int tex_width, tex_height; + io.Fonts->GetTexDataAsRGBA32(&tex_pixels, &tex_width, &tex_height); + + for (int rect_n = 0; rect_n < IM_ARRAYSIZE(rect_ids); rect_n++) + { + int rect_id = rects_ids[rect_n]; + if (const ImFontAtlas::CustomRect* rect = io.Fonts->GetCustomRectByIndex(rect_id)) + { + // Fill the custom rectangle with red pixels (in reality you would draw/copy your bitmap data here!) + for (int y = 0; y < rect->Height; y++) + { + ImU32* p = (ImU32*)tex_pixels + (rect->Y + y) * tex_width + (rect->X); + for (int x = rect->Width; x > 0; x--) + *p++ = IM_COL32(255, 0, 0, 255); + } + } + } + + +--------------------------------------- + EMBEDDING FONTS IN SOURCE CODE +--------------------------------------- + +Compile and use 'binary_to_compressed_c.cpp' to create a compressed C style array that you can embed in source code. +See the documentation in binary_to_compressed_c.cpp for instruction on how to use the tool. +You may find a precompiled version binary_to_compressed_c.exe for Windows instead of demo binaries package (see README). +The tool can optionally output Base85 encoding to reduce the size of _source code_ but the read-only arrays in the +actual binary will be about 20% bigger. + +Then load the font with: + ImFont* font = io.Fonts->AddFontFromMemoryCompressedTTF(compressed_data, compressed_data_size, size_pixels, ...); +or: + ImFont* font = io.Fonts->AddFontFromMemoryCompressedBase85TTF(compressed_data_base85, size_pixels, ...); + + +--------------------------------------- + CREDITS/LICENSES FOR FONTS INCLUDED IN REPOSITORY +--------------------------------------- + +Some fonts are available in the misc/fonts/ folder: + +Roboto-Medium.ttf + + Apache License 2.0 + by Christian Robertson + https://fonts.google.com/specimen/Roboto + +Cousine-Regular.ttf + + by Steve Matteson + Digitized data copyright (c) 2010 Google Corporation. + Licensed under the SIL Open Font License, Version 1.1 + https://fonts.google.com/specimen/Cousine + +DroidSans.ttf + + Copyright (c) Steve Matteson + Apache License, version 2.0 + https://www.fontsquirrel.com/fonts/droid-sans + +ProggyClean.ttf + + Copyright (c) 2004, 2005 Tristan Grimmer + MIT License + recommended loading setting: Size = 13.0, DisplayOffset.Y = +1 + http://www.proggyfonts.net/ + +ProggyTiny.ttf + Copyright (c) 2004, 2005 Tristan Grimmer + MIT License + recommended loading setting: Size = 10.0, DisplayOffset.Y = +1 + http://www.proggyfonts.net/ + +Karla-Regular.ttf + Copyright (c) 2012, Jonathan Pinhorn + SIL OPEN FONT LICENSE Version 1.1 + + +--------------------------------------- + FONTS LINKS +--------------------------------------- + +ICON FONTS + + C/C++ header for icon fonts (#define with code points to use in source code string literals) + https://github.com/juliettef/IconFontCppHeaders + + FontAwesome + https://fortawesome.github.io/Font-Awesome + + OpenFontIcons + https://github.com/traverseda/OpenFontIcons + + Google Icon Fonts + https://design.google.com/icons/ + + Kenney Icon Font (Game Controller Icons) + https://github.com/nicodinh/kenney-icon-font + + IcoMoon - Custom Icon font builder + https://icomoon.io/app + +REGULAR FONTS + + Google Noto Fonts (worldwide languages) + https://www.google.com/get/noto/ + + Open Sans Fonts + https://fonts.google.com/specimen/Open+Sans + + (Japanese) M+ fonts by Coji Morishita are free + http://mplus-fonts.sourceforge.jp/mplus-outline-fonts/index-en.html + +MONOSPACE FONTS (PIXEL PERFECT) + + Proggy Fonts, by Tristan Grimmer + http://www.proggyfonts.net or http://upperbounds.net + + Sweet16, Sweet16 Mono, by Martin Sedlak (Latin + Supplemental + Extended A) + https://github.com/kmar/Sweet16Font + Also include .inl file to use directly in dear imgui. + +MONOSPACE FONTS (REGULAR) + + Google Noto Mono Fonts + https://www.google.com/get/noto/ + + Typefaces for source code beautification + https://github.com/chrissimpkins/codeface + + Programmation fonts + http://s9w.github.io/font_compare/ + + Inconsolata + http://www.levien.com/type/myfonts/inconsolata.html + + Adobe Source Code Pro: Monospaced font family for user interface and coding environments + https://github.com/adobe-fonts/source-code-pro + + Monospace/Fixed Width Programmer's Fonts + http://www.lowing.org/fonts/ + + + Or use Arial Unicode or other Unicode fonts provided with Windows for full characters coverage (not sure of their licensing). diff --git a/imgui-submodule/imgui/docs/README.md b/imgui-submodule/imgui/docs/README.md new file mode 100644 index 0000000..8c1636e --- /dev/null +++ b/imgui-submodule/imgui/docs/README.md @@ -0,0 +1,224 @@ +dear imgui +===== +[![Build Status](https://github.com/ocornut/imgui/workflows/build/badge.svg)](https://github.com/ocornut/imgui/actions?workflow=build) + +(This library is available under a free and permissive license, but needs financial support to sustain its continued improvements. In addition to maintenance and stability there are many desirable features yet to be added. If your company is using dear imgui, please consider reaching out.) + +Businesses: support continued development via invoiced technical support, maintenance, sponsoring contracts: +
  _E-mail: contact @ dearimgui dot org_ + +Individuals: support continued maintenance and development with [PayPal](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=WGHNC6MBFLZ2S). + +---- + +Dear ImGui is a **bloat-free graphical user interface library for C++**. It outputs optimized vertex buffers that you can render anytime in your 3D-pipeline enabled application. It is fast, portable, renderer agnostic and self-contained (no external dependencies). + +Dear ImGui is designed to **enable fast iterations** and to **empower programmers** to create **content creation tools and visualization / debug tools** (as opposed to UI for the average end-user). It favors simplicity and productivity toward this goal, and lacks certain features normally found in more high-level libraries. + +Dear ImGui is particularly suited to integration in games engine (for tooling), real-time 3D applications, fullscreen applications, embedded applications, or any applications on consoles platforms where operating system features are non-standard. + +| [Usage](#usage) - [How it works](#how-it-works) - [Demo](#demo) - [Integration](#integration) | +:----------------------------------------------------------: | +| [Upcoming changes](#upcoming-changes) - [Gallery](#gallery) - [Support, FAQ](#support-frequently-asked-questions-faq) - [How to help](#how-to-help) - [Sponsors](#sponsors) - [Credits](#credits) - [License](#license) | +| [Wiki](https://github.com/ocornut/imgui/wiki) - [Language & frameworks bindings](https://github.com/ocornut/imgui/wiki/Bindings) - [Software using Dear ImGui](https://github.com/ocornut/imgui/wiki/Software-using-dear-imgui) - [User quotes](https://github.com/ocornut/imgui/wiki/Quotes) | + +### Usage + +**The core of Dear ImGui is self-contained within a few platform-agnostic files** which you can easily compile in your application/engine. They are all the files in the root folder of the repository (imgui.cpp, imgui.h, imgui_demo.cpp, imgui_draw.cpp etc.). + +**No specific build process is required**. You can add the .cpp files to your existing project. + +You will need a backend to integrate Dear ImGui in your app. The backend passes mouse/keyboard/gamepad inputs and variety of settings to Dear ImGui, and is in charge of rendering the resulting vertices. + +**Backends for a variety of graphics api and rendering platforms** are provided in the [examples/](https://github.com/ocornut/imgui/tree/master/examples) folder, along with example applications. See the [Integration](#integration) section of this document for details. You may also create your own backend. Anywhere where you can render textured triangles, you can render Dear ImGui. + +After Dear ImGui is setup in your application, you can use it from \_anywhere\_ in your program loop: + +Code: +```cp +ImGui::Text("Hello, world %d", 123); +if (ImGui::Button("Save")) + MySaveFunction(); +ImGui::InputText("string", buf, IM_ARRAYSIZE(buf)); +ImGui::SliderFloat("float", &f, 0.0f, 1.0f); +``` +Result: +
![sample code output (dark)](https://raw.githubusercontent.com/wiki/ocornut/imgui/web/v175/capture_readme_styles_0001.png) ![sample code output (light)](https://raw.githubusercontent.com/wiki/ocornut/imgui/web/v175/capture_readme_styles_0002.png) +
_(settings: Dark style (left), Light style (right) / Font: Roboto-Medium, 16px / Rounding: 5)_ + +Code: +```cpp +// Create a window called "My First Tool", with a menu bar. +ImGui::Begin("My First Tool", &my_tool_active, ImGuiWindowFlags_MenuBar); +if (ImGui::BeginMenuBar()) +{ + if (ImGui::BeginMenu("File")) + { + if (ImGui::MenuItem("Open..", "Ctrl+O")) { /* Do stuff */ } + if (ImGui::MenuItem("Save", "Ctrl+S")) { /* Do stuff */ } + if (ImGui::MenuItem("Close", "Ctrl+W")) { my_tool_active = false; } + ImGui::EndMenu(); + } + ImGui::EndMenuBar(); +} + +// Edit a color (stored as ~4 floats) +ImGui::ColorEdit4("Color", my_color); + +// Plot some values +const float my_values[] = { 0.2f, 0.1f, 1.0f, 0.5f, 0.9f, 2.2f }; +ImGui::PlotLines("Frame Times", my_values, IM_ARRAYSIZE(my_values)); + +// Display contents in a scrolling region +ImGui::TextColored(ImVec4(1,1,0,1), "Important Stuff"); +ImGui::BeginChild("Scrolling"); +for (int n = 0; n < 50; n++) + ImGui::Text("%04d: Some text", n); +ImGui::EndChild(); +ImGui::End(); +``` +Result: +
![sample code output](https://raw.githubusercontent.com/wiki/ocornut/imgui/web/v160/code_sample_03_color.gif) + +Dear ImGui allows you **create elaborate tools** as well as very short-lived ones. On the extreme side of short-livedness: using the Edit&Continue (hot code reload) feature of modern compilers you can add a few widgets to tweaks variables while your application is running, and remove the code a minute later! Dear ImGui is not just for tweaking values. You can use it to trace a running algorithm by just emitting text commands. You can use it along with your own reflection data to browse your dataset live. You can use it to expose the internals of a subsystem in your engine, to create a logger, an inspection tool, a profiler, a debugger, an entire game making editor/framework, etc. + +### How it works + +Check out the Wiki's [About the IMGUI paradigm](https://github.com/ocornut/imgui/wiki#About-the-IMGUI-paradigm) section if you want to understand the core principles behind the IMGUI paradigm. An IMGUI tries to minimize superfluous state duplication, state synchronization and state retention from the user's point of view. It is less error prone (less code and less bugs) than traditional retained-mode interfaces, and lends itself to create dynamic user interfaces. + +Dear ImGui outputs vertex buffers and command lists that you can easily render in your application. The number of draw calls and state changes required to render them is fairly small. Because Dear ImGui doesn't know or touch graphics state directly, you can call its functions anywhere in your code (e.g. in the middle of a running algorithm, or in the middle of your own rendering process). Refer to the sample applications in the examples/ folder for instructions on how to integrate dear imgui with your existing codebase. + +_A common misunderstanding is to mistake immediate mode gui for immediate mode rendering, which usually implies hammering your driver/GPU with a bunch of inefficient draw calls and state changes as the gui functions are called. This is NOT what Dear ImGui does. Dear ImGui outputs vertex buffers and a small list of draw calls batches. It never touches your GPU directly. The draw call batches are decently optimal and you can render them later, in your app or even remotely._ + +### Demo + +Calling the `ImGui::ShowDemoWindow()` function will create a demo window showcasing variety of features and examples. The code is always available for reference in `imgui_demo.cpp`. + +![screenshot demo](https://raw.githubusercontent.com/wiki/ocornut/imgui/web/v167/v167-misc.png) + +You should be able to build the examples from sources (tested on Windows/Mac/Linux). If you don't, let me know! If you want to have a quick look at some Dear ImGui features, you can download Windows binaries of the demo app here: +- [imgui-demo-binaries-20190715.zip](http://www.dearimgui.org/binaries/imgui-demo-binaries-20190715.zip) (Windows binaries, 1.72 WIP, built 2019/07/15, master branch, 5 executables) + +The demo applications are not DPI aware so expect some blurriness on a 4K screen. For DPI awareness in your application, you can load/reload your font at different scale, and scale your style with `style.ScaleAllSizes()`. + +### Integration + +On most platforms and when using C++, **you should be able to use a combination of the [imgui_impl_xxxx](https://github.com/ocornut/imgui/tree/master/examples) files without modification** (e.g. `imgui_impl_win32.cpp` + `imgui_impl_dx11.cpp`). If your engine supports multiple platforms, consider using more of the imgui_impl_xxxx files instead of rewriting them: this will be less work for you and you can get Dear ImGui running immediately. You can _later_ decide to rewrite a custom binding using your custom engine functions if you wish so. + +Integrating Dear ImGui within your custom engine is a matter of 1) wiring mouse/keyboard/gamepad inputs 2) uploading one texture to your GPU/render engine 3) providing a render function that can bind textures and render textured triangles. The [examples/](https://github.com/ocornut/imgui/tree/master/examples) folder is populated with applications doing just that. If you are an experienced programmer at ease with those concepts, it should take you less than two hours to integrate Dear ImGui in your custom engine. **Make sure to spend time reading the [FAQ](https://www.dearimgui.org/faq), comments, and some of the examples/ application!** + +Officially maintained bindings (in repository): +- Renderers: DirectX9, DirectX10, DirectX11, DirectX12, OpenGL (legacy), OpenGL3/ES/ES2 (modern), Vulkan, Metal. +- Platforms: GLFW, SDL2, Win32, Glut, OSX. +- Frameworks: Emscripten, Allegro5, Marmalade. + +Third-party bindings (see [Bindings](https://github.com/ocornut/imgui/wiki/Bindings/) page): +- Languages: C, C#/.Net, ChaiScript, D, Go, Haskell, Haxe/hxcpp, Java, JavaScript, Julia, Kotlin, Lua, Odin, Pascal, PureBasic, Python, Ruby, Rust, Swift... +- Frameworks: AGS/Adventure Game Studio, Amethyst, bsf, Cinder, Cocos2d-x, Diligent Engine, Flexium, GML/Game Maker Studio2, GTK3+OpenGL3, Irrlicht Engine, LÖVE+LUA, Magnum, NanoRT, Nim Game Lib, Ogre, openFrameworks, OSG/OpenSceneGraph, Orx, px_render, Qt/QtDirect3D, SFML, Sokol, Unreal Engine 4, vtk, Win32 GDI. +- Note that C bindings ([cimgui](https://github.com/cimgui/cimgui)) are auto-generated, you can use its json/lua output to generate bindings for other languages. + +Also see [Wiki](https://github.com/ocornut/imgui/wiki) for more links and ideas. + +### Upcoming Changes + +Some of the goals for 2020 are: +- Finish work on docking, tabs. (see [#2109](https://github.com/ocornut/imgui/issues/2109), in public [docking](https://github.com/ocornut/imgui/tree/docking) branch looking for feedback) +- Finish work on multiple viewports / multiple OS windows. (see [#1542](https://github.com/ocornut/imgui/issues/1542), in public [docking](https://github.com/ocornut/imgui/tree/docking) branch looking for feedback) +- Finish work on gamepad/keyboard controls. (see [#787](https://github.com/ocornut/imgui/issues/787)) +- Finish work on new Tables API (to replace Columns). (see [#2957](https://github.com/ocornut/imgui/issues/2957)) +- Add an automation and testing system, both to test the library and end-user apps. (see [#435](https://github.com/ocornut/imgui/issues/435)) +- Make the examples look better, improve styles, improve font support, make the examples hi-DPI and multi-DPI aware. + +### Gallery + +For more user-submitted screenshots of projects using Dear ImGui, check out the [Gallery Threads](https://github.com/ocornut/imgui/issues/2847)! + +Custom engine +[![screenshot game](https://raw.githubusercontent.com/wiki/ocornut/imgui/web/v149/gallery_TheDragonsTrap-01-thumb.jpg)](https://cloud.githubusercontent.com/assets/8225057/20628927/33e14cac-b329-11e6-80f6-9524e93b048a.png) + +Custom engine +[![screenshot tool](https://raw.githubusercontent.com/wiki/ocornut/imgui/web/v160/editor_white_preview.jpg)](https://raw.githubusercontent.com/wiki/ocornut/imgui/web/v160/editor_white.png) + +[Tracy Profiler](https://bitbucket.org/wolfpld/tracy) +![tracy profiler](https://raw.githubusercontent.com/wiki/ocornut/imgui/web/v173/tracy_profiler.jpg) + +### Support, Frequently Asked Questions (FAQ) + +Most common questions will be answered by the [Frequently Asked Questions (FAQ)](https://github.com/ocornut/imgui/blob/master/docs/FAQ.md) page. + +See: [Wiki](https://github.com/ocornut/imgui/wiki) for many links, references, articles. + +See: [Articles about the IMGUI paradigm](https://github.com/ocornut/imgui/wiki#Articles-about-the-IMGUI-paradigm) to read/learn about the Immediate Mode GUI paradigm. + +If you are new to Dear ImGui and have issues with: compiling, linking, adding fonts, wiring inputs, running or displaying Dear ImGui: you can use [Discord server](http://discord.dearimgui.org). + +Otherwise, for any other questions, bug reports, requests, feedback, you may post on https://github.com/ocornut/imgui/issues. Please read and fill the New Issue template carefully. + +Paid private support is available for business customers (E-mail: _contact @ dearimgui dot org_). + +**Which version should I get?** + +I occasionally tag [Releases](https://github.com/ocornut/imgui/releases) but it is generally safe and recommended to sync to master/latest. The library is fairly stable and regressions tend to be fixed fast when reported. + +You may also peak at the [Multi-Viewport](https://github.com/ocornut/imgui/issues/1542) and [Docking](https://github.com/ocornut/imgui/issues/2109) features in the `docking` branch. Many projects are using this branch and it is kept in sync with master regularly. + +**Who uses Dear ImGui?** + +See the [Quotes](https://github.com/ocornut/imgui/wiki/Quotes), [Sponsors](https://github.com/ocornut/imgui/wiki/Sponsors), [Software using dear imgui](https://github.com/ocornut/imgui/wiki/Software-using-dear-imgui) Wiki pages for an idea of who is using Dear ImGui. Please add your game/software if you can! Also see the [Gallery Threads](https://github.com/ocornut/imgui/issues/2847)! + +How to help +----------- + +**How can I help?** + +- You may participate in the [Discord server](http://discord.dearimgui.org), [GitHub forum/issues](https://github.com/ocornut/imgui/issues). +- You may help with development and submit pull requests! Please understand that by submitting a PR you are also submitting a request for the maintainer to review your code and then take over its maintenance forever. PR should be crafted both in the interest in the end-users and also to ease the maintainer into understanding and accepting it. +- See [Help wanted](https://github.com/ocornut/imgui/wiki/Help-Wanted) on the [Wiki](https://github.com/ocornut/imgui/wiki/) for some more ideas. +- Have your company financially support this project. + +**How can I help financing further development of Dear ImGui?** + +Your contributions are keeping this project alive. The library is available under a free and permissive license, but continued maintenance and development are a full-time endeavor and I would like to grow the team. In addition to maintenance and stability there are many desirable features yet to be added. If your company is using dear imgui, please consider reaching out for invoiced technical support and maintenance contracts. Thank you! + +Businesses: support continued development via invoiced technical support, maintenance, sponsoring contracts: +
  _E-mail: contact @ dearimgui dot org_ + +Individuals: support continued maintenance and development with [PayPal](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=WGHNC6MBFLZ2S). + +Sponsors +-------- + +Ongoing Dear ImGui development is financially supported by users and private sponsors, recently: + +*Platinum-chocolate sponsors* +- [Blizzard](https://careers.blizzard.com/en-us/openings/engineering/all/all/all/1), [Google](https://github.com/google/filament), [Nvidia](https://developer.nvidia.com/nvidia-omniverse), [Ubisoft](https://montreal.ubisoft.com/en/ubisoft-sponsors-user-interface-library-for-c-dear-imgui/) + +*Double-chocolate and Salty caramel sponsors* +- [Activision](https://careers.activision.com/c/programmingsoftware-engineering-jobs), [DotEmu](http://www.dotemu.com), [Framefield](http://framefield.com), [Hexagon](https://hexagonxalt.com/the-technology/xalt-visualization), [Kylotonn](https://www.kylotonn.com), [Media Molecule](http://www.mediamolecule.com), [Mesh Consultants](https://www.meshconsultants.ca), [Mobigame](http://www.mobigame.net), [Nadeo](https://www.nadeo.com), [Supercell](http://www.supercell.com), [Remedy Entertainment](https://www.remedygames.com/), [Unit 2 Games](https://unit2games.com/) + +From November 2014 to December 2019, ongoing development has also been financially supported by its users on Patreon and through individual donations. Please see [detailed list of Dear ImGui supporters](https://github.com/ocornut/imgui/wiki/Sponsors). + +**THANK YOU to all past and present supporters for helping to keep this project alive and thriving!** + +Dear ImGui is using software and services provided free of charge for open source projects: +- [PVS-Studio](https://www.viva64.com/en/b/0570/) for static analysis. +- [GitHub actions](https://github.com/features/actions) for continuous integration systems. +- [OpenCppCoverage](https://github.com/OpenCppCoverage/OpenCppCoverage) for code coverage analysis. + +Credits +------- + +Developed by [Omar Cornut](http://www.miracleworld.net) and every direct or indirect contributors to the GitHub. The early version of this library was developed with the support of [Media Molecule](http://www.mediamolecule.com) and first used internally on the game [Tearaway](http://tearaway.mediamolecule.com) (Vita). + +I first discovered the IMGUI paradigm at [Q-Games](http://www.q-games.com) where Atman Binstock had dropped his own simple implementation in the codebase, which I spent quite some time improving and thinking about. It turned out that Atman was exposed to the concept directly by working with Casey. When I moved to Media Molecule I rewrote a new library trying to overcome the flaws and limitations of the first one I've worked with. It became this library and since then I have spent an unreasonable amount of time iterating and improving it. + +Embeds [ProggyClean.ttf](http://upperbounds.net) font by Tristan Grimmer (MIT license). + +Embeds [stb_textedit.h, stb_truetype.h, stb_rect_pack.h](https://github.com/nothings/stb/) by Sean Barrett (public domain). + +Inspiration, feedback, and testing for early versions: Casey Muratori, Atman Binstock, Mikko Mononen, Emmanuel Briney, Stefan Kamoda, Anton Mikhailov, Matt Willis. And everybody posting feedback, questions and patches on the GitHub. + +License +------- + +Dear ImGui is licensed under the MIT License, see [LICENSE.txt](https://github.com/ocornut/imgui/blob/master/LICENSE.txt) for more information. diff --git a/imgui-submodule/imgui/docs/TODO.txt b/imgui-submodule/imgui/docs/TODO.txt new file mode 100644 index 0000000..8d50dbe --- /dev/null +++ b/imgui-submodule/imgui/docs/TODO.txt @@ -0,0 +1,399 @@ +dear imgui +ISSUES & TODO LIST + +Issue numbers (#) refer to github issues listed at https://github.com/ocornut/imgui/issues/XXXX +The list below consist mostly of ideas noted down before they are requested/discussed by users (at which point they usually exist on the github issue tracker). +It's mostly a bunch of personal notes, probably incomplete. Feel free to query if you have any questions. + + - doc/test: add a proper documentation+regression testing system (#435) + - doc/test: checklist app to verify binding/integration of imgui (test inputs, rendering, callback, etc.). + - doc/tips: tips of the day: website? applet in imgui_club? + - doc/wiki: work on the wiki https://github.com/ocornut/imgui/wiki + + - window: preserve/restore relative focus ordering (persistent or not) (#2304) -> also see docking reference to same #. + - window: calling SetNextWindowSize() every frame with <= 0 doesn't do anything, may be useful to allow (particularly when used for a single axis). (#690) + - window: add a way for very transient windows (non-saved, temporary overlay over hundreds of objects) to "clean" up from the global window list. perhaps a lightweight explicit cleanup pass. + - window: auto-fit feedback loop when user relies on any dynamic layout (window width multiplier, column) appears weird to end-user. clarify. + - window: begin with *p_open == false could return false. + - window: get size/pos helpers given names (see discussion in #249) + - window: a collapsed window can be stuck behind the main menu bar? + - window: when window is very small, prioritize resize button over close button. + - window: detect extra End() call that pop the "Debug" window out and assert at End() call site instead of at end of frame. + - window: increase minimum size of a window with menus or fix the menu rendering so that it doesn't look odd. + - window: double-clicking on title bar to minimize isn't consistent, perhaps move to single-click on left-most collapse icon? + - window: expose contents size. (#1045) + - window: using SetWindowPos() inside Begin() and moving the window with the mouse reacts a very ugly glitch. We should just defer the SetWindowPos() call. + - window: GetWindowSize() returns (0,0) when not calculated? (#1045) + - window: investigate better auto-positioning for new windows. + - window: top most window flag? (#2574) + - window: the size_on_first_use path of Begin() can probably be removed + - window/size: manually triggered auto-fit (double-click on grip) shouldn't resize window down to viewport size? + - window/opt: freeze window flag: if not focused/hovered, return false, render with previous ImDrawList. and/or reduce refresh rate. -> this may require enforcing that it is illegal to submit contents if Begin returns false. + - window/child: background options for child windows, border option (disable rounding). + - window/child: allow resizing of child windows (possibly given min/max for each axis?.) + - window/child: the first draw command of a child window could be moved into the current draw command of the parent window (unless child+tooltip?). + - window/child: border could be emitted in parent as well. + - window/child: allow SetNextWindowContentSize() to work on child windows. + - window/clipping: some form of clipping when DisplaySize (or corresponding viewport) is zero. + - window/tab: add a way to signify that a window or docked window requires attention (e.g. blinking title bar). + ! scrolling: exposing horizontal scrolling with Shift+Wheel even when scrollbar is disabled expose lots of issues (#2424, #1463) + - scrolling: while holding down a scrollbar, try to keep the same contents visible (at least while not moving mouse) + - scrolling: allow immediately effective change of scroll after Begin() if we haven't appended items yet. + - scrolling: forward mouse wheel scrolling to parent window when at the edge of scrolling limits? (useful for listbox,tables?) + - scrolling/clipping: separator on the initial position of a window is not visible (cursorpos.y <= clippos.y). (2017-08-20: can't repro) + - scrolling/style: shadows on scrollable areas to denote that there is more contents (see e.g. DaVinci Resolve ui) + + - drawdata: make it easy to clone (or swap?) a full ImDrawData so user can easily save that data if they use threaded rendering. (e.g. #2646) + ! drawlist: add calctextsize func to facilitate consistent code from user pov (currently need to use ImGui or ImFont alternatives!) + - drawlist: end-user probably can't call Clear() directly because we expect a texture to be pushed in the stack. + - drawlist: maintaining bounding box per command would allow to merge draw command when clipping isn't relied on (typical non-scrolling window or non-overflowing column would merge with previous command). + - drawlist: primitives/helpers to manipulate vertices post submission, so e.g. a quad/rect can be resized to fit later submitted content, _without_ using the ChannelSplit api + - drawlist: make it easier to toggle AA per primitive, so we can use e.g. non-AA fill + AA borders more naturally + - drawlist: non-AA strokes have gaps between points (#593, #288), glitch especially on RenderCheckmark() and ColorPicker4(). + - drawlist: would be good to be able to deep copy of ImDrawData (we have a deep copy of ImDrawList now). + - drawlist: rendering: provide a way for imgui to output to a single/global vertex buffer, re-order indices only at the end of the frame (ref: https://gist.github.com/floooh/10388a0afbe08fce9e617d8aefa7d302) + - drawlist: callback: add an extra void* in ImDrawCallback to allow passing render-local data to the callback (would break API). + - drawlist: AddRect vs AddLine position confusing (#2441) + - drawlist: channel splitter should be external helper and not stored in ImDrawList. + - drawlist/opt: store rounded corners in texture to use 1 quad per corner (filled and wireframe) to lower the cost of rounding. (#1962) + - drawlist/opt: AddRect() axis aligned pixel aligned (no-aa) could use 8 triangles instead of 16 and no normal calculation. + - drawlist/opt: thick AA line could be doable in same number of triangles as 1.0 AA line by storing gradient+full color in atlas. + + - main: find a way to preserve relative orders of multiple reappearing windows (so an app toggling between "modes" e.g. fullscreen vs all tools) won't lose relative ordering. + - main: IsItemHovered() make it more consistent for various type of widgets, widgets with multiple components, etc. also effectively IsHovered() region sometimes differs from hot region, e.g tree nodes + - main: IsItemHovered() info stored in a stack? so that 'if TreeNode() { Text; TreePop; } if IsHovered' return the hover state of the TreeNode? + + - widgets: display mode: widget-label, label-widget (aligned on column or using fixed size), label-newline-tab-widget etc. (#395) + - widgets: clean up widgets internal toward exposing everything and stabilizing imgui_internals.h. + - widgets: add visuals for Disabled/ReadOnly mode and expose publicly (#211) + - widgets: add always-allow-overlap mode. This should perhaps be the default? one problem is that highlight after mouse-wheel scrolling gets deferred, makes scrolling more flickery. + - widgets: start exposing PushItemFlag() and ImGuiItemFlags + - widgets: alignment options in style (e.g. center Selectable, Right-Align within Button, etc.) #1260 + - widgets: activate by identifier (trigger button, focus given id) + - widgets: a way to represent "mixed" values, so e.g. all values replaced with *, including check-boxes, colors, etc. with support for multi-components widgets (e.g. SliderFloat3, make only "Y" mixed) (#2644) + - widgets: selectable: generic BeginSelectable()/EndSelectable() mechanism. + - widgets: selectable: a way to visualize partial/mixed selection (e.g. parent tree node has children with mixed selection) + - widgets: checkbox: checkbox with custom glyph inside frame. + - widgets: coloredit: keep reporting as active when picker is on? + - widgets: group/scalarn functions: expose more per-component information. e.g. store NextItemData.ComponentIdx set by scalarn function, groups can expose them back somehow. + + - input text: clean up the mess caused by converting UTF-8 <> wchar. the code is rather inefficient right now and super fragile. + - input text: reorganize event handling, allow CharFilter to modify buffers, allow multiple events? (#541) + - input text: expose CursorPos in char filter event (#816) + - input text: try usage idiom of using InputText with data only exposed through get/set accessors, without extraneous copy/alloc. (#3009) + - input text: access public fields via a non-callback API e.g. InputTextGetState("xxx") that may return NULL if not active. + - input text: flag to disable live update of the user buffer (also applies to float/int text input) (#701) + - input text: hover tooltip could show unclamped text + - input text: option to Tab after an Enter validation. + - input text: add ImGuiInputTextFlags_EnterToApply? (off #218) + - input text: easier ways to update buffer (from source char*) while owned. preserve some sort of cursor position for multi-line text. + - input text: add flag (e.g. ImGuiInputTextFlags_EscapeClearsBuffer) to clear instead of revert. what to do with focus? (also see #2890) + - input text: add discard flag (e.g. ImGuiInputTextFlags_DiscardActiveBuffer) or make it easier to clear active focus for text replacement during edition (#725) + - input text: display bug when clicking a drag/slider after an input text in a different window has all-selected text (order dependent). actually a very old bug but no one appears to have noticed it. + - input text: allow centering/positioning text so that ctrl+clicking Drag or Slider keeps the textual value at the same pixel position. + - input text: decorrelate layout from inputs - e.g. what's the easiest way to implement a nice IP/Mac address input editor? + - input text: global callback system so user can plug in an expression evaluator easily. (#1691) + - input text: force scroll to end or scroll to a given line/contents (so user can implement a log or a search feature) + - input text: a way to preview completion (e.g. disabled text completing from the cursor) + - input text: a side bar that could e.g. preview where errors are. probably left to the user to draw but we'd need to give them the info there. + - input text: a way for the user to provide syntax coloring. + - input text: Shift+TAB with ImGuiInputTextFlags_AllowTabInput could eat preceding blanks, up to tab_count. + - input text: facilitate patterns like if (InputText(..., obj.get_string_ref()) { obj.set_string(...); } relying on internally held buffer. + - input text multi-line: don't directly call AddText() which does an unnecessary vertex reserve for character count prior to clipping. and/or more line-based clipping to AddText(). and/or reorganize TextUnformatted/RenderText for more efficiency for large text (e.g TextUnformatted could clip and log separately, etc). + - input text multi-line: support for cut/paste without selection (cut/paste the current line) + - input text multi-line: line numbers? status bar? (follow up on #200) + - input text multi-line: behave better when user changes input buffer while editing is active (even though it is illegal behavior). namely, the change of buffer can create a scrollbar glitch (#725) + - input text multi-line: better horizontal scrolling support (#383, #1224) + - input text multi-line: single call to AddText() should be coarse clipped on InputTextEx() end. + - input number: optional range min/max for Input*() functions + - input number: holding [-]/[+] buttons could increase the step speed non-linearly (or user-controlled) + - input number: use mouse wheel to step up/down + - input number: applying arithmetics ops (+,-,*,/) messes up with text edit undo stack. + + - layout: helper or a way to express ImGui::SameLine(ImGui::GetCursorStartPos().x + ImGui::CalcItemWidth() + ImGui::GetStyle().ItemInnerSpacing.x); in a simpler manner. + - layout: generalization of the above: a concept equivalent to word processor ruler tab stop ~ mini columns (position in X, no clipping implied) (vaguely relate to #267, #395, also what is used internally for menu items) + - layout: horizontal layout helper (#97) + - layout: horizontal flow until no space left (#404) + - layout: more generic alignment state (left/right/centered) for single items? + - layout: clean up the InputFloatN/SliderFloatN/ColorEdit4 layout code. item width should include frame padding. + - layout: vertical alignment of mixed height items (e.g. buttons) within a same line (#1284) + - layout: null layout mode were items are not rendered but user can query GetItemRectMin()/Max/Size. + - layout: (R&D) local multi-pass layout mode. + - layout: (R&D) bind authored layout data (created by an off-line tool), items fetch their pos/size at submission, self-optimize data structures to stable linear access. + + - group: BeginGroup() needs a border option. (~#1496) + - group: IsHovered() after EndGroup() covers whole aabb rather than the intersection of individual items. Is that desirable? + - group: merge deactivation/activation within same group (fwd WasEdited flag). (#2550) + + - columns: sizing policy (e.g. for each column: fixed size, %, fill, distribute default size among fills) (#513, #125) + - columns: add a conditional parameter to SetColumnOffset() (#513, #125) + - columns: headers. re-orderable. (#513, #125) + - columns: optional sorting modifiers (up/down), sort list so sorting can be done multi-criteria. notify user when sort order changed. + - columns: option to alternate background colors on odd/even scanlines. + - columns: allow columns to recurse. + - columns: allow a same columns set to be interrupted by e.g. CollapsingHeader and resume with columns in sync when moving them. + - columns: sizing is lossy when columns width is very small (default width may turn negative etc.) + - columns: separator function or parameter that works within the column (currently Separator() bypass all columns) (#125) + - columns: flag to add horizontal separator above/below? + - columns/layout: setup minimum line height (equivalent of automatically calling AlignFirstTextHeightToWidgets) + +!- color: the color conversion helpers/types are a mess and needs sorting out. + - color: (api breaking) ImGui::ColorConvertXXX functions should be loose ImColorConvertXX to match imgui_internals.h + + - plot: full featured plot/graph api w/ scrolling, zooming etc. all bell & whistle. why not! + - plot: PlotLines() should use the polygon-stroke facilities, less vertices (currently issues with averaging normals) + - plot: make it easier for user to draw extra stuff into the graph (e.g: draw basis, highlight certain points, 2d plots, multiple plots) + - plot: "smooth" automatic scale over time, user give an input 0.0(full user scale) 1.0(full derived from value) + - plot: option/feature: draw the zero line + - plot: option/feature: draw grid, vertical markers + - plot: option/feature: draw unit + - plot: add a helper e.g. Plot(char* label, float value, float time_span=2.0f) that stores values and Plot them for you - probably another function name. and/or automatically allow to plot ANY displayed value (more reliance on stable ID) + + - clipper: ability to force display 1 item in the list would be convenient (for patterns where we need to set active id etc.) + - clipper: ability to disable the clipping through a simple flag/bool. + - clipper: ability to run without knowing full count in advance. + - clipper: horizontal clipping support. (#2580) + + - separator: expose flags (#759) + - separator: width, thickness, centering (#1643) + - splitter: formalize the splitter idiom into an official api (we want to handle n-way split) (#319) + + - dock: merge docking branch (#2109) + - dock: dock out from a collapsing header? would work nicely but need emitting window to keep submitting the code. + + - tabs: make EndTabBar fail if users doesn't respect BeginTabBar return value, for consistency/future-proofing. + - tabs: persistent order/focus in BeginTabBar() api (#261, #351) + - tabs: TabItem could honor SetNextItemWidth()? + - tabs: explicit api (even if internal) to cleanly manipulate tab order. + - tabs: Mouse wheel over tab bar could scroll? (#2702) + + + - image/image button: misalignment on padded/bordered button? + - image/image button: parameters are confusing, image() has tint_col,border_col whereas imagebutton() has bg_col/tint_col. Even thou they are different parameters ordering could be more consistent. can we fix that? + - image button: not taking an explicit id can be problematic. (#2464, #1390) + - button: provide a button that looks framed. (?) + - slider/drag: ctrl+click when format doesn't include a % character.. disable? display underlying value in default format? (see TempInputTextScalar) + - slider: allow using the [-]/[+] buttons used by InputFloat()/InputInt() + - slider: initial absolute click is imprecise. change to relative movement slider (same as scrollbar). (#1946) + - slider: add dragging-based widgets to edit values with mouse (on 2 axises), saving screen real-estate. + - slider: tint background based on value (e.g. v_min -> v_max, or use 0.0f either side of the sign) + - slider: relative dragging? + precision dragging + - slider: step option (#1183) + - slider style: fill % of the bar instead of positioning a drag. + - knob: rotating knob widget (#942) + - drag float: power/logarithmic slider and drags are weird. (#1316) + - drag float: up/down axis + - drag float: power != 0.0f with current value being outside the range keeps the value stuck. + - drag float: added leeway on edge (e.g. a few invisible steps past the clamp limits) + + - combo: use clipper: make it easier to disable clipper with a single flag. + - combo: flag for BeginCombo to not return true when unchanged (#1182) + - combo: a way/helper to customize the combo preview (#1658) + - combo/listbox: keyboard control. need InputText-like non-active focus + key handling. considering keyboard for custom listbox (pr #203) + - listbox: refactor and clean the begin/end api + - listbox: multiple selection. + - listbox: unselect option (#1208) + - listbox: make it easier/more natural to implement range-select (need some sort of info/ref about the last clicked/focused item that user can translate to an index?) (wip stash) + - listbox: user may want to initial scroll to focus on the one selected value? + - listbox: expose hovered item for a basic ListBox + - listbox: keyboard navigation. + - listbox: disable capturing mouse wheel if the listbox has no scrolling. (#1681) + - listbox: scrolling should track modified selection. + - listbox: future api should allow to enable horizontal scrolling (#2510) + +!- popups/menus: clarify usage of popups id, how MenuItem/Selectable closing parent popups affects the ID, etc. this is quite fishy needs improvement! (#331, #402) + - popups/modal: make modal title bar blink when trying to click outside the modal + - popups: reopening context menu at new position should be the behavior by default? (equivalent to internal OpenPopupEx() with reopen_existing=true) (~#1497) + - popups: if the popup functions took explicit ImGuiID it would allow the user to manage the scope of those ID. (#331) + - popups: clicking outside (to close popup) and holding shouldn't drag window below. + - popups: add variant using global identifier similar to Begin/End (#402) + - popups: border options. richer api like BeginChild() perhaps? (#197) + + - tooltip: drag and drop with tooltip near monitor edges lose/changes its last direction instead of locking one. The drag and drop tooltip should always follow without changing direction. + - tooltip: tooltip that doesn't fit in entire screen seems to lose their "last preferred direction" and may teleport when moving mouse. + - tooltip: allow to set the width of a tooltip to allow TextWrapped() etc. while keeping the height automatic. + - tooltip: tooltips with delay timers? or general timer policy? (instantaneous vs timed): IsItemHovered() with timer + implicit aabb-id for items with no ID. (#1485) + - tooltip: drag tooltip hovering over source widget with IsItemHovered/SetTooltip flickers. + + - menus: menu bars inside modal windows are acting weird. + - status-bar: add a per-window status bar helper similar to what menu-bar does. + - shortcuts: local-style shortcut api, e.g. parse "&Save" + - shortcuts,menus: global-style shortcut api e.g. "Save (CTRL+S)" -> explicit flag for recursing into closed menu + - shortcuts: programmatically access shortcuts "Focus("&Save")) + - menus: menu-bar: main menu-bar could affect clamping of windows position (~ akin to modifying DisplayMin) + - menus: hovering from menu to menu on a menu-bar has 1 frame without any menu, which is a little annoying. ideally either 0 either longer. + - menus: could merge draw call in most cases (how about storing an optional aabb in ImDrawCmd to move the burden of merging in a single spot). + + - tree node: add treenode/treepush int variants? not there because (void*) cast from int warns on some platforms/settings? + - tree node: try to apply scrolling at time of TreePop() if node was just opened and end of node is past scrolling limits? + - tree node / selectable render mismatch which is visible if you use them both next to each other (e.g. cf. property viewer) + - tree node: tweak color scheme to distinguish headers from selected tree node (#581) + - tree node: leaf/non-leaf highlight mismatch. + - tree node/opt: could avoid formatting when clipped (flag assuming we don't care about width/height, assume single line height?) + + - settings: write more decent code to allow saving/loading new fields: columns, selected tree nodes? + - settings: api for per-tool simple persistent data (bool,int,float,columns sizes,etc.) in .ini file (#437) + - settings/persistence: helpers to make TreeNodeBehavior persist (even during dev!) - may need to store some semantic and/or data type in ImGuiStoragePair + + - style: better default styles. (#707) + - style: add a highlighted text color (for headers, etc.) + - style: border types: out-screen, in-screen, etc. (#447) + - style: add window shadow (fading away from the window. Paint-style calculation of vertices alpha after drawlist would be easier) + - style: a concept of "compact style" that the end-user can easily rely on (e.g. PushStyleCompact()?) that maps to other settings? avoid implementing duplicate helpers such as SmallCheckbox(), etc. + - style: try to make PushStyleVar() more robust to incorrect parameters (to be more friendly to edit & continues situation). + - style: global scale setting. + - style: FramePadding could be different for up vs down (#584) + - style: WindowPadding needs to be EVEN as the 0.5 multiplier used on this value probably have a subtle effect on clip rectangle + - style: have a more global HSV setter (e.g. alter hue on all elements). consider replacing active/hovered by offset in HSV space? (#438, #707, #1223) + - style: gradients fill (#1223) ~ 2 bg colors for each fill? tricky with rounded shapes and using textures for corners. + - style editor: color child window height expressed in multiple of line height. + + - log: have more control over the log scope (e.g. stop logging when leaving current tree node scope) + - log: be able to log anything (e.g. right-click on a window/tree-node, shows context menu? log into tty/file/clipboard) + - log: let user copy any window content to clipboard easily (CTRL+C on windows? while moving it? context menu?). code is commented because it fails with multiple Begin/End pairs. + - log: obsolete LogButtons() all together. + - log: LogButtons() options for specifying depth and/or hiding depth slider + - log: enabling log ends up pushing and growing vertices buffersbecause we don't distinguish layout vs render clipping + + - filters: set a current filter that tree node can automatically query to hide themselves + - filters: handle wild-cards (with implicit leading/trailing *), reg-exprs + - filters: fuzzy matches (may use code at blog.forrestthewoods.com/4cffeed33fdb) + + - drag and drop: fix/support/options for overlapping drag sources. + - drag and drop: releasing a drop shows the "..." tooltip for one frame - since e13e598 (#1725) + - drag and drop: drag source on a group object (would need e.g. an invisible button covering group in EndGroup) https://twitter.com/paniq/status/1121446364909535233 + - drag and drop: have some way to know when a drag begin from BeginDragDropSource() pov. (see 2018/01/11 post in #143) + - drag and drop: allow preview tooltip to be submitted from a different place than the drag source. (#1725) + - drag and drop: allow using with other mouse buttons (where activeid won't be set). (#1637) + - drag and drop: make it easier and provide a demo to have tooltip both are source and target site, with a more detailed one on target site (tooltip ordering problem) + - drag and drop: demo with reordering nodes (in a list, or a tree node). (#143) + - drag and drop: test integrating with os drag and drop (make it easy to do a naive WM_DROPFILE integration) + - drag and drop: allow for multiple payload types. (#143) + - drag and drop: make payload optional? payload promise? (see 2018/01/11 post in #143) + - drag and drop: (#143) "both an in-process pointer and a promise to generate a serialized version, for whether the drag ends inside or outside the same process" + - drag and drop: feedback when hovering a region blocked by modal (mouse cursor "NO"?) + + - node/graph editors (#306) (also see https://github.com/ocornut/imgui/wiki#node-editors) + - pie menus patterns (#434) + - markup: simple markup language for color change? (#902) + + - text: selectable text (for copy) as a generic feature (ItemFlags?) + - text: proper alignment options in imgui_internal.h + - text: it's currently impossible to have a window title with "##". perhaps an official workaround would be nice. \ style inhibitor? non-visible ascii code to insert between #? + - text: provided a framed text helper, e.g. https://pastebin.com/1Laxy8bT + - text: refactor TextUnformatted (or underlying function) to more explicitly request if we need width measurement or not + - text link/url button: underlined. should api expose an ID or use text contents as ID? which colors enum to use? + - text/wrapped: should be a more first-class citizen, e.g. wrapped text within a Selectable with known width. + - text/wrapped: custom separator for text wrapping. (#3002) + - text/wrapped: figure out better way to use TextWrapped() in an always auto-resize context (tooltip, etc.) (#249) + + - font: arbitrary line spacing. (#2945) + - font: MergeMode: flags to select overwriting or not (this is now very easy with refactored ImFontAtlasBuildWithStbTruetype) + - font: free the Alpha buffer if user only requested RGBA. +!- font: better CalcTextSizeA() API, at least for simple use cases. current one is horrible (perhaps have simple vs extended versions). + - font: for the purpose of RenderTextEllipsis(), it might be useful that CalcTextSizeA() can ignore the trailing padding? + - font: a CalcTextHeight() helper could run faster than CalcTextSize().y + - font: enforce monospace through ImFontConfig (for icons?) + create dual ImFont output from same input, reusing rasterized data but with different glyphs/AdvanceX + - font: finish CustomRectRegister() to allow mapping Unicode codepoint to custom texture data + - font: remove ID from CustomRect registration, it seems unnecessary! + - font: make it easier to submit own bitmap font (same texture, another texture?). (#2127, #2575) + - font: PushFontSize API (#1018) + - font: MemoryTTF taking ownership confusing/not obvious, maybe default should be opposite? + - font: storing MinAdvanceX per font would allow us to skip calculating line width (under a threshold of character count) in loops looking for block width + - font/demo: add tools to show glyphs used by a text blob, display U16 value, list missing glyphs. + - font/demo: demonstrate use of ImFontGlyphRangesBuilder. + - font/atlas: add a missing Glyphs.reserve() + - font/atlas: incremental updates + - font/atlas: dynamic font atlas to avoid baking huge ranges into bitmap and make scaling easier. + - font/draw: vertical and/or rotated text renderer (#705) - vertical is easier clipping wise + - font/draw: need to be able to specify wrap start position. + - font/draw: better reserve policy for large horizontal block of text (shouldn't reserve for all clipped lines) + - font/draw: underline, squiggle line rendering helpers. + - font: optimization: for monospace font (like the default one) we can trim IndexXAdvance as long as trailing value is == FallbackXAdvance (need to make sure TAB is still correct), would save on cache line. + - font: add support for kerning, probably optional. A) perhaps default to (32..128)^2 matrix ~ 9K entries = 36KB, then hash for non-ascii?. B) or sparse lookup into per-char list? + - font: add a simpler CalcTextSizeA() api? current one ok but not welcome if user needs to call it directly (without going through ImGui::CalcTextSize) + - font: fix AddRemapChar() to work before atlas has been built. + - font: support for unicode codepoints higher than 0xFFFF? (pr #2815) + - font: (api breaking) remove "TTF" from symbol names. also because it now supports OTF. + - font/opt: Considering storing standalone AdvanceX table as 16-bit fixed point integer? + - font/opt: Glyph currently 40 bytes (2+9*4). Consider storing UV as 16 bits integer? (->32 bytes). X0/Y0/X1/Y1 as 16 fixed-point integers? Or X0/Y0 as float and X1/Y1 as fixed8_8? + + - nav: some features such as PageUp/Down/Home/End should probably work without ImGuiConfigFlags_NavEnableKeyboard? (where do we draw the line?) + ! nav: never clear NavId on some setup (e.g. gamepad centric) + - nav: code to focus child-window on restoring NavId appears to have issue: e.g. when focus change is implicit because of window closure. + - nav: configuration flag to disable global shortcuts (currently only CTRL-Tab) ? + - nav: Home/End behavior when navigable item is not fully visible at the edge of scrolling? should be backtrack to keep item into view? + - nav: NavScrollToBringItemIntoView() with item bigger than view should focus top-right? Repro: using Nav in "About Window" + - nav: wrap around logic to allow e.g. grid based layout (pressing NavRight on the right-most element would go to the next row, etc.). see internal's NavMoveRequestTryWrapping(). + - nav: patterns to make it possible for arrows key to update selection + - nav: restore/find nearest NavId when current one disappear (e.g. pressed a button that disappear, or perhaps auto restoring when current button change name) + - nav: SetItemDefaultFocus() level of priority, so widget like Selectable when inside a popup could claim a low-priority default focus on the first selected iem + - nav: NavFlattened: ESC on a flattened child should select something. + - nav: NavFlattened: broken: in typical usage scenario, the items of a fully clipped child are currently not considered to enter into a NavFlattened child. + - nav: NavFlattened: init request doesn't select items that are part of a NavFlattened child + - nav: NavFlattened: cannot access menu-bar of a flattened child window with Alt/menu key (not a very common use case..). + - nav/treenode: Left within a tree node block as a fallback (ImGuiTreeNodeFlags_NavLeftJumpsBackHere by default?) + - nav/menus: pressing left-right on a vertically clipped menu bar tends to jump to the collapse/close buttons. + - nav/menus: allow pressing Menu to leave a sub-menu. + - nav/menus: a way to access the main menu bar with Alt? (currently needs CTRL+TAB) or last focused window menu bar? + - nav/menus: when using the main menu bar, even though we restore focus after, the underlying window loses its title bar highlight during menu manipulation. could we prevent it? + - nav/menus: main menu bar currently cannot restore a NULL focus. Could save NavWindow at the time of being focused, similarly to what popup do? + - nav/menus: Alt,Up could open the first menu (e.g. "File") currently it tends to nav into the window/collapse menu. Do do that we would need custom transition? + - nav/windowing: configure fade-in/fade-out delay on Ctrl+Tab? + - nav/windowing: when CTRL-Tab/windowing is active, the HoveredWindow detection doesn't take account of the window display re-ordering. + - nav: simulate right-click or context activation? (SHIFT+F10) + - nav: tabs should go through most/all widgets (in submission order?). + - nav: esc/enter default behavior for popups, e.g. be able to mark an "ok" or "cancel" button that would get triggered by those keys. + - nav: when activating a button that changes label (without a static ID) or disappear, can we somehow automatically recover into a nearest highlight item? + - nav: there's currently no way to completely clear focus with the keyboard. depending on patterns used by the application to dispatch inputs, it may be desirable. + - focus: preserve ActiveId/focus stack state, e.g. when opening a menu and close it, previously selected InputText() focus gets restored (#622) + - focus: SetKeyboardFocusHere() on with >= 0 offset could be done on same frame (else latch and modulate on beginning of next frame) + - focus: unable to use SetKeyboardFocusHere() on clipped widgets. (#787) + + - inputs: we need an explicit flag about whether the imgui window is focused, to be able to distinguish focused key releases vs alt-tabbing all release behaviors. + - inputs: rework IO system to be able to pass actual ordered/timestamped events. use an event queue? (~#335, #71) + - inputs: support track pad style scrolling & slider edit. + - inputs/io: backspace and arrows in the context of a text input could use system repeat rate. + - inputs/io: clarify/standardize/expose repeat rate and repeat delays (#1808) + - inputs/scrolling: support for smooth scrolling (#2462, #2569) + + - misc: idle: expose "woken up" boolean (set by inputs) and/or animation time (for cursor blink) for back-end to be able stop refreshing easily. + - misc: idle: if cursor blink if the _only_ visible animation, core imgui could rewrite vertex alpha to avoid CPU pass on ImGui:: calls. + - misc: idle: if cursor blink if the _only_ visible animation, could even expose a dirty rectangle that optionally can be leverage by some app to render in a smaller viewport, getting rid of much pixel shading cost. + - misc: no way to run a root-most GetID() with ImGui:: api since there's always a Debug window in the stack. (mentioned in #2960) + - misc: make the ImGuiCond values linear (non-power-of-two). internal storage for ImGuiWindow can use integers to combine into flags (Why?) + - misc: provide a way to compile out the entire implementation while providing a dummy API (e.g. #define IMGUI_DUMMY_IMPL) + - misc: PushItemFlag(): add a flag to disable keyboard capture when used with mouse? (#1682) + - misc: use more size_t in public api? + - misc: possible compile-time support for string view/range instead of char* would e.g. facilitate usage with Rust (#683) + - misc: possible compile-time support for wchar_t instead of char*? + + - remote: make a system like RemoteImGui first-class citizen/project (#75) + + - demo: find a way to demonstrate textures in the examples application, as it such a common issue for new users. + - demo: demonstrate using PushStyleVar() in more details. + - demo: add vertical separator demo + - demo: add virtual scrolling example? + - demo: demonstrate Plot offset + - demo: window size constraint: square demo is broken when resizing from edges (#1975), would need to rework the callback system to solve this + + - examples: window minimize, maximize (#583) + - examples: provide a zero frame-rate/idle example. + - examples: dx11/dx12: try to use new swapchain blit models (#2970) + - backends: apple: example_apple should be using modern GL3. + - backends: glfw: could go idle when minimized? if (glfwGetWindowAttrib(window, GLFW_ICONIFIED)) { glfwWaitEvents(); continue; } // issue: DeltaTime will be super high on resume, perhaps provide a way to let impl know (#440) + - backends: opengl: rename imgui_impl_opengl2 to impl_opengl_legacy and imgui_impl_opengl3 to imgui_impl_opengl? (#1900) + - backends: opengl: could use a single vertex buffer and glBufferSubData for uploads? + - backends: opengl: explicitly disable GL_STENCIL_TEST in bindings. + - backends: opengl: consider gl_lite loader https://github.com/ApoorvaJ/Papaya/blob/3808e39b0f45d4ca4972621c847586e4060c042a/src/libs/gl_lite.h + - backends: vulkan: viewport: support for synchronized swapping of multiple swap chains. + - backends: bgfx: https://gist.github.com/RichardGale/6e2b74bc42b3005e08397236e4be0fd0 + - backends: mscriptem: with refactored examples, we could provide a direct imgui_impl_emscripten platform layer (see eg. https://github.com/floooh/sokol-samples/blob/master/html5/imgui-emsc.cc#L42) + + - optimization: replace vsnprintf with stb_printf? or enable the defines/infrastructure to allow it (#1038) + - optimization: add clipping for multi-component widgets (SliderFloatX, ColorEditX, etc.). one problem is that nav branch can't easily clip parent group when there is a move request. + - optimization: add a flag to disable most of rendering, for the case where the user expect to skip it (#335) + - optimization: fully covered window (covered by another with non-translucent bg + WindowRounding worth of padding) may want to clip rendering. + - optimization: use another hash function than crc32, e.g. FNV1a + - optimization/render: merge command-lists with same clip-rect into one even if they aren't sequential? (as long as in-between clip rectangle don't overlap)? + - optimization: turn some the various stack vectors into statically-sized arrays diff --git a/imgui-submodule/imgui/examples/.gitignore b/imgui-submodule/imgui/examples/.gitignore new file mode 100644 index 0000000..2b5671a --- /dev/null +++ b/imgui-submodule/imgui/examples/.gitignore @@ -0,0 +1,46 @@ +build/* +*/Debug/* +*/Release/* +*/x64/* +*.o +*.obj +*.exe + +## Visual Studio cruft +.vs/* +*/ipch/* +*.opensdf +*.log +*.pdb +*.ilk +*.user +*.sdf +*.suo +*.VC.db +*.VC.VC.opendb + +## Xcode cruft +.DS_Store +project.xcworkspace +xcuserdata + +## Emscripten output +*.o.tmp +*.out.js +*.out.wasm +example_emscripten/example_emscripten.* + +## Unix executables +example_glfw_opengl2/example_glfw_opengl2 +example_glfw_opengl3/example_glfw_opengl3 +example_glut_opengl2/example_glut_opengl2 +example_null/example_null +example_sdl_opengl2/example_sdl_opengl2 +example_sdl_opengl3/example_sdl_opengl3 + +## Dear ImGui Ini files +imgui.ini + 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1100 */ +# define COMPILER_VERSION_MAJOR DEC((__WATCOMC__ - 1100) / 100) +# define COMPILER_VERSION_MINOR DEC((__WATCOMC__ / 10) % 10) +# if (__WATCOMC__ % 10) > 0 +# define COMPILER_VERSION_PATCH DEC(__WATCOMC__ % 10) +# endif + +#elif defined(__SUNPRO_C) +# define COMPILER_ID "SunPro" +# if __SUNPRO_C >= 0x5100 + /* __SUNPRO_C = 0xVRRP */ +# define COMPILER_VERSION_MAJOR HEX(__SUNPRO_C>>12) +# define COMPILER_VERSION_MINOR HEX(__SUNPRO_C>>4 & 0xFF) +# define COMPILER_VERSION_PATCH HEX(__SUNPRO_C & 0xF) +# else + /* __SUNPRO_CC = 0xVRP */ +# define COMPILER_VERSION_MAJOR HEX(__SUNPRO_C>>8) +# define COMPILER_VERSION_MINOR HEX(__SUNPRO_C>>4 & 0xF) +# define COMPILER_VERSION_PATCH HEX(__SUNPRO_C & 0xF) +# endif + +#elif defined(__HP_cc) +# define COMPILER_ID "HP" + /* __HP_cc = VVRRPP */ +# define COMPILER_VERSION_MAJOR DEC(__HP_cc/10000) +# define COMPILER_VERSION_MINOR DEC(__HP_cc/100 % 100) +# define COMPILER_VERSION_PATCH DEC(__HP_cc % 100) + +#elif defined(__DECC) +# define 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COMPILER_VERSION_MINOR DEC(__IBMC__/10 % 10) +# define COMPILER_VERSION_PATCH DEC(__IBMC__ % 10) + +#elif defined(__IBMC__) && !defined(__COMPILER_VER__) && __IBMC__ < 800 +# define COMPILER_ID "VisualAge" + /* __IBMC__ = VRP */ +# define COMPILER_VERSION_MAJOR DEC(__IBMC__/100) +# define COMPILER_VERSION_MINOR DEC(__IBMC__/10 % 10) +# define COMPILER_VERSION_PATCH DEC(__IBMC__ % 10) + +#elif defined(__PGI) +# define COMPILER_ID "PGI" +# define COMPILER_VERSION_MAJOR DEC(__PGIC__) +# define COMPILER_VERSION_MINOR DEC(__PGIC_MINOR__) +# if defined(__PGIC_PATCHLEVEL__) +# define COMPILER_VERSION_PATCH DEC(__PGIC_PATCHLEVEL__) +# endif + +#elif defined(_CRAYC) +# define COMPILER_ID "Cray" +# define COMPILER_VERSION_MAJOR DEC(_RELEASE_MAJOR) +# define COMPILER_VERSION_MINOR DEC(_RELEASE_MINOR) + +#elif defined(__TI_COMPILER_VERSION__) +# define COMPILER_ID "TI" + /* __TI_COMPILER_VERSION__ = VVVRRRPPP */ +# define COMPILER_VERSION_MAJOR DEC(__TI_COMPILER_VERSION__/1000000) +# define COMPILER_VERSION_MINOR DEC(__TI_COMPILER_VERSION__/1000 % 1000) +# define COMPILER_VERSION_PATCH DEC(__TI_COMPILER_VERSION__ % 1000) + +#elif defined(__FUJITSU) || defined(__FCC_VERSION) || defined(__fcc_version) +# define COMPILER_ID "Fujitsu" + +#elif defined(__ghs__) +# define COMPILER_ID "GHS" +/* __GHS_VERSION_NUMBER = VVVVRP */ +# ifdef __GHS_VERSION_NUMBER +# define COMPILER_VERSION_MAJOR DEC(__GHS_VERSION_NUMBER / 100) +# define COMPILER_VERSION_MINOR DEC(__GHS_VERSION_NUMBER / 10 % 10) +# define COMPILER_VERSION_PATCH DEC(__GHS_VERSION_NUMBER % 10) +# endif + +#elif defined(__TINYC__) +# define COMPILER_ID "TinyCC" + +#elif defined(__BCC__) +# define COMPILER_ID "Bruce" + +#elif defined(__SCO_VERSION__) +# define COMPILER_ID "SCO" + +#elif defined(__ARMCC_VERSION) && !defined(__clang__) +# define COMPILER_ID "ARMCC" +#if __ARMCC_VERSION >= 1000000 + /* __ARMCC_VERSION = VRRPPPP */ + # define COMPILER_VERSION_MAJOR DEC(__ARMCC_VERSION/1000000) + # define COMPILER_VERSION_MINOR DEC(__ARMCC_VERSION/10000 % 100) + # define COMPILER_VERSION_PATCH DEC(__ARMCC_VERSION % 10000) +#else + /* __ARMCC_VERSION = VRPPPP */ + # define COMPILER_VERSION_MAJOR DEC(__ARMCC_VERSION/100000) + # define COMPILER_VERSION_MINOR DEC(__ARMCC_VERSION/10000 % 10) + # define COMPILER_VERSION_PATCH DEC(__ARMCC_VERSION % 10000) +#endif + + +#elif defined(__clang__) && defined(__apple_build_version__) +# define COMPILER_ID "AppleClang" +# if defined(_MSC_VER) +# define SIMULATE_ID "MSVC" +# endif +# define COMPILER_VERSION_MAJOR DEC(__clang_major__) +# define COMPILER_VERSION_MINOR DEC(__clang_minor__) +# define COMPILER_VERSION_PATCH DEC(__clang_patchlevel__) +# if defined(_MSC_VER) + /* _MSC_VER = VVRR */ +# define SIMULATE_VERSION_MAJOR DEC(_MSC_VER / 100) +# define SIMULATE_VERSION_MINOR DEC(_MSC_VER % 100) +# endif +# define COMPILER_VERSION_TWEAK DEC(__apple_build_version__) + +#elif defined(__clang__) && defined(__ARMCOMPILER_VERSION) +# define COMPILER_ID "ARMClang" + # define COMPILER_VERSION_MAJOR DEC(__ARMCOMPILER_VERSION/1000000) + # define COMPILER_VERSION_MINOR DEC(__ARMCOMPILER_VERSION/10000 % 100) + # define COMPILER_VERSION_PATCH DEC(__ARMCOMPILER_VERSION % 10000) +# define COMPILER_VERSION_INTERNAL DEC(__ARMCOMPILER_VERSION) + +#elif defined(__clang__) +# define COMPILER_ID "Clang" +# if defined(_MSC_VER) +# define SIMULATE_ID "MSVC" +# endif +# define COMPILER_VERSION_MAJOR DEC(__clang_major__) +# define COMPILER_VERSION_MINOR DEC(__clang_minor__) +# define COMPILER_VERSION_PATCH DEC(__clang_patchlevel__) +# if defined(_MSC_VER) + /* _MSC_VER = VVRR */ +# define SIMULATE_VERSION_MAJOR DEC(_MSC_VER / 100) +# define SIMULATE_VERSION_MINOR DEC(_MSC_VER % 100) +# endif + +#elif defined(__GNUC__) +# define COMPILER_ID "GNU" +# define COMPILER_VERSION_MAJOR DEC(__GNUC__) +# if defined(__GNUC_MINOR__) +# define COMPILER_VERSION_MINOR DEC(__GNUC_MINOR__) +# endif +# if defined(__GNUC_PATCHLEVEL__) +# define COMPILER_VERSION_PATCH DEC(__GNUC_PATCHLEVEL__) +# endif + +#elif defined(_MSC_VER) +# define COMPILER_ID "MSVC" + /* _MSC_VER = VVRR */ +# define COMPILER_VERSION_MAJOR DEC(_MSC_VER / 100) +# define COMPILER_VERSION_MINOR DEC(_MSC_VER % 100) +# if defined(_MSC_FULL_VER) +# if _MSC_VER >= 1400 + /* _MSC_FULL_VER = VVRRPPPPP */ +# define COMPILER_VERSION_PATCH DEC(_MSC_FULL_VER % 100000) +# else + /* _MSC_FULL_VER = VVRRPPPP */ +# define COMPILER_VERSION_PATCH DEC(_MSC_FULL_VER % 10000) +# endif +# endif +# if defined(_MSC_BUILD) +# define COMPILER_VERSION_TWEAK DEC(_MSC_BUILD) +# endif + +#elif defined(__VISUALDSPVERSION__) || defined(__ADSPBLACKFIN__) || defined(__ADSPTS__) || defined(__ADSP21000__) +# define COMPILER_ID "ADSP" +#if defined(__VISUALDSPVERSION__) + /* __VISUALDSPVERSION__ = 0xVVRRPP00 */ +# define COMPILER_VERSION_MAJOR HEX(__VISUALDSPVERSION__>>24) +# define COMPILER_VERSION_MINOR HEX(__VISUALDSPVERSION__>>16 & 0xFF) +# define COMPILER_VERSION_PATCH HEX(__VISUALDSPVERSION__>>8 & 0xFF) +#endif + +#elif defined(__IAR_SYSTEMS_ICC__) || defined(__IAR_SYSTEMS_ICC) +# define COMPILER_ID "IAR" +# if defined(__VER__) && defined(__ICCARM__) +# define COMPILER_VERSION_MAJOR DEC((__VER__) / 1000000) +# define COMPILER_VERSION_MINOR DEC(((__VER__) / 1000) % 1000) +# define COMPILER_VERSION_PATCH DEC((__VER__) % 1000) +# define COMPILER_VERSION_INTERNAL DEC(__IAR_SYSTEMS_ICC__) +# elif defined(__VER__) && (defined(__ICCAVR__) || defined(__ICCRX__) || defined(__ICCRH850__) || defined(__ICCRL78__) || defined(__ICC430__) || defined(__ICCRISCV__) || defined(__ICCV850__) || defined(__ICC8051__)) +# define COMPILER_VERSION_MAJOR DEC((__VER__) / 100) +# define COMPILER_VERSION_MINOR DEC((__VER__) - (((__VER__) / 100)*100)) +# define COMPILER_VERSION_PATCH DEC(__SUBVERSION__) +# define COMPILER_VERSION_INTERNAL DEC(__IAR_SYSTEMS_ICC__) +# endif + +#elif defined(__SDCC_VERSION_MAJOR) || defined(SDCC) +# define COMPILER_ID "SDCC" +# if defined(__SDCC_VERSION_MAJOR) +# define COMPILER_VERSION_MAJOR DEC(__SDCC_VERSION_MAJOR) +# define COMPILER_VERSION_MINOR DEC(__SDCC_VERSION_MINOR) +# define COMPILER_VERSION_PATCH DEC(__SDCC_VERSION_PATCH) +# else + /* SDCC = VRP */ +# define COMPILER_VERSION_MAJOR DEC(SDCC/100) +# define COMPILER_VERSION_MINOR DEC(SDCC/10 % 10) +# define COMPILER_VERSION_PATCH DEC(SDCC % 10) +# endif + + +/* These compilers are either not known or too old to define an + identification macro. Try to identify the platform and guess that + it is the native compiler. */ +#elif defined(__hpux) || defined(__hpua) +# define COMPILER_ID "HP" + +#else /* unknown compiler */ +# define COMPILER_ID "" +#endif + +/* Construct the string literal in pieces to prevent the source from + getting matched. Store it in a pointer rather than an array + because some compilers will just produce instructions to fill the + array rather than assigning a pointer to a static array. */ +char const* info_compiler = "INFO" ":" "compiler[" COMPILER_ID "]"; +#ifdef SIMULATE_ID +char const* info_simulate = "INFO" ":" "simulate[" SIMULATE_ID "]"; +#endif + +#ifdef __QNXNTO__ +char const* qnxnto = "INFO" ":" "qnxnto[]"; +#endif + +#if defined(__CRAYXE) || defined(__CRAYXC) +char const *info_cray = "INFO" ":" "compiler_wrapper[CrayPrgEnv]"; +#endif + +#define STRINGIFY_HELPER(X) #X +#define STRINGIFY(X) STRINGIFY_HELPER(X) + +/* Identify known platforms by name. */ +#if defined(__linux) || defined(__linux__) || defined(linux) +# define PLATFORM_ID "Linux" + +#elif defined(__CYGWIN__) +# define PLATFORM_ID "Cygwin" + +#elif defined(__MINGW32__) +# define PLATFORM_ID "MinGW" + +#elif defined(__APPLE__) +# define PLATFORM_ID "Darwin" + +#elif defined(_WIN32) || defined(__WIN32__) || defined(WIN32) +# define PLATFORM_ID "Windows" + +#elif defined(__FreeBSD__) || defined(__FreeBSD) +# define PLATFORM_ID "FreeBSD" + +#elif defined(__NetBSD__) || defined(__NetBSD) +# define PLATFORM_ID "NetBSD" + +#elif defined(__OpenBSD__) || defined(__OPENBSD) +# define PLATFORM_ID "OpenBSD" + +#elif defined(__sun) || defined(sun) +# define PLATFORM_ID "SunOS" + +#elif defined(_AIX) || defined(__AIX) || defined(__AIX__) || defined(__aix) || defined(__aix__) +# define PLATFORM_ID "AIX" + +#elif defined(__hpux) || defined(__hpux__) +# define PLATFORM_ID "HP-UX" + +#elif defined(__HAIKU__) +# define PLATFORM_ID "Haiku" + +#elif defined(__BeOS) || defined(__BEOS__) || defined(_BEOS) +# define PLATFORM_ID "BeOS" + +#elif defined(__QNX__) || defined(__QNXNTO__) +# define PLATFORM_ID "QNX" + +#elif defined(__tru64) || defined(_tru64) || defined(__TRU64__) +# define PLATFORM_ID "Tru64" + +#elif defined(__riscos) || defined(__riscos__) +# define PLATFORM_ID "RISCos" + +#elif defined(__sinix) || defined(__sinix__) || defined(__SINIX__) +# define PLATFORM_ID "SINIX" + +#elif defined(__UNIX_SV__) +# define PLATFORM_ID "UNIX_SV" + +#elif defined(__bsdos__) +# define PLATFORM_ID "BSDOS" + +#elif defined(_MPRAS) || defined(MPRAS) +# define PLATFORM_ID "MP-RAS" + +#elif defined(__osf) || defined(__osf__) +# define PLATFORM_ID "OSF1" + +#elif defined(_SCO_SV) || defined(SCO_SV) || defined(sco_sv) +# define PLATFORM_ID "SCO_SV" + +#elif defined(__ultrix) || defined(__ultrix__) || defined(_ULTRIX) +# define PLATFORM_ID "ULTRIX" + +#elif defined(__XENIX__) || defined(_XENIX) || defined(XENIX) +# define PLATFORM_ID "Xenix" + +#elif defined(__WATCOMC__) +# if defined(__LINUX__) +# define PLATFORM_ID "Linux" + +# elif defined(__DOS__) +# define PLATFORM_ID "DOS" + +# elif defined(__OS2__) +# define PLATFORM_ID "OS2" + +# elif defined(__WINDOWS__) +# define PLATFORM_ID "Windows3x" + +# else /* unknown platform */ +# define PLATFORM_ID +# endif + +#elif defined(__INTEGRITY) +# if defined(INT_178B) +# define PLATFORM_ID "Integrity178" + +# else /* regular Integrity */ +# define PLATFORM_ID "Integrity" +# endif + +#else /* unknown platform */ +# define PLATFORM_ID + +#endif + +/* For windows compilers MSVC and Intel we can determine + the architecture of the compiler being used. This is because + the compilers do not have flags that can change the architecture, + but rather depend on which compiler is being used +*/ +#if defined(_WIN32) && defined(_MSC_VER) +# if defined(_M_IA64) +# define ARCHITECTURE_ID "IA64" + +# elif defined(_M_X64) || defined(_M_AMD64) +# define ARCHITECTURE_ID "x64" + +# elif defined(_M_IX86) +# define ARCHITECTURE_ID "X86" + +# elif defined(_M_ARM64) +# define ARCHITECTURE_ID "ARM64" + +# elif defined(_M_ARM) +# if _M_ARM == 4 +# define ARCHITECTURE_ID "ARMV4I" +# elif _M_ARM == 5 +# define ARCHITECTURE_ID "ARMV5I" +# else +# define ARCHITECTURE_ID "ARMV" STRINGIFY(_M_ARM) +# endif + +# elif defined(_M_MIPS) +# define ARCHITECTURE_ID "MIPS" + +# elif defined(_M_SH) +# define ARCHITECTURE_ID "SHx" + +# else /* unknown architecture */ +# define ARCHITECTURE_ID "" +# endif + +#elif defined(__WATCOMC__) +# if defined(_M_I86) +# define ARCHITECTURE_ID "I86" + +# elif defined(_M_IX86) +# define ARCHITECTURE_ID "X86" + +# else /* unknown architecture */ +# define ARCHITECTURE_ID "" +# endif + +#elif defined(__IAR_SYSTEMS_ICC__) || defined(__IAR_SYSTEMS_ICC) +# if defined(__ICCARM__) +# define ARCHITECTURE_ID "ARM" + +# elif defined(__ICCRX__) +# define ARCHITECTURE_ID "RX" + +# elif defined(__ICCRH850__) +# define ARCHITECTURE_ID "RH850" + +# elif defined(__ICCRL78__) +# define ARCHITECTURE_ID "RL78" + +# elif defined(__ICCRISCV__) +# define ARCHITECTURE_ID "RISCV" + +# elif defined(__ICCAVR__) +# define ARCHITECTURE_ID "AVR" + +# elif defined(__ICC430__) +# define ARCHITECTURE_ID "MSP430" + +# elif defined(__ICCV850__) +# define ARCHITECTURE_ID "V850" + +# elif defined(__ICC8051__) +# define ARCHITECTURE_ID "8051" + +# else /* unknown architecture */ +# define ARCHITECTURE_ID "" +# endif + +#elif defined(__ghs__) +# if defined(__PPC64__) +# define ARCHITECTURE_ID "PPC64" + +# elif defined(__ppc__) +# define ARCHITECTURE_ID "PPC" + +# elif defined(__ARM__) +# define ARCHITECTURE_ID "ARM" + +# elif defined(__x86_64__) +# define ARCHITECTURE_ID "x64" + +# elif defined(__i386__) +# define ARCHITECTURE_ID "X86" + +# else /* unknown architecture */ +# define ARCHITECTURE_ID "" +# endif +#else +# define ARCHITECTURE_ID +#endif + +/* Convert integer to decimal digit literals. */ +#define DEC(n) \ + ('0' + (((n) / 10000000)%10)), \ + ('0' + (((n) / 1000000)%10)), \ + ('0' + (((n) / 100000)%10)), \ + ('0' + (((n) / 10000)%10)), \ + ('0' + (((n) / 1000)%10)), \ + ('0' + (((n) / 100)%10)), \ + ('0' + (((n) / 10)%10)), \ + ('0' + ((n) % 10)) + +/* Convert integer to hex digit literals. */ +#define HEX(n) \ + ('0' + ((n)>>28 & 0xF)), \ + ('0' + ((n)>>24 & 0xF)), \ + ('0' + ((n)>>20 & 0xF)), \ + ('0' + ((n)>>16 & 0xF)), \ + ('0' + ((n)>>12 & 0xF)), \ + ('0' + ((n)>>8 & 0xF)), \ + ('0' + ((n)>>4 & 0xF)), \ + ('0' + ((n) & 0xF)) + +/* Construct a string literal encoding the version number components. */ +#ifdef COMPILER_VERSION_MAJOR +char const info_version[] = { + 'I', 'N', 'F', 'O', ':', + 'c','o','m','p','i','l','e','r','_','v','e','r','s','i','o','n','[', + COMPILER_VERSION_MAJOR, +# ifdef COMPILER_VERSION_MINOR + '.', COMPILER_VERSION_MINOR, +# ifdef COMPILER_VERSION_PATCH + '.', COMPILER_VERSION_PATCH, +# ifdef COMPILER_VERSION_TWEAK + '.', COMPILER_VERSION_TWEAK, +# endif +# endif +# endif + ']','\0'}; +#endif + +/* Construct a string literal encoding the internal version number. */ +#ifdef COMPILER_VERSION_INTERNAL +char const info_version_internal[] = { + 'I', 'N', 'F', 'O', ':', + 'c','o','m','p','i','l','e','r','_','v','e','r','s','i','o','n','_', + 'i','n','t','e','r','n','a','l','[', + COMPILER_VERSION_INTERNAL,']','\0'}; +#endif + +/* Construct a string literal encoding the version number components. */ +#ifdef SIMULATE_VERSION_MAJOR +char const info_simulate_version[] = { + 'I', 'N', 'F', 'O', ':', + 's','i','m','u','l','a','t','e','_','v','e','r','s','i','o','n','[', + SIMULATE_VERSION_MAJOR, +# ifdef SIMULATE_VERSION_MINOR + '.', SIMULATE_VERSION_MINOR, +# ifdef SIMULATE_VERSION_PATCH + '.', SIMULATE_VERSION_PATCH, +# ifdef SIMULATE_VERSION_TWEAK + '.', SIMULATE_VERSION_TWEAK, +# endif +# endif +# endif + ']','\0'}; +#endif + +/* Construct the string literal in pieces to prevent the source from + getting matched. Store it in a pointer rather than an array + because some compilers will just produce instructions to fill the + array rather than assigning a pointer to a static array. */ +char const* info_platform = "INFO" ":" "platform[" PLATFORM_ID "]"; +char const* info_arch = "INFO" ":" "arch[" ARCHITECTURE_ID "]"; + + + + +#if !defined(__STDC__) +# if (defined(_MSC_VER) && !defined(__clang__)) \ + || (defined(__ibmxl__) || defined(__IBMC__)) +# define C_DIALECT "90" +# else +# define C_DIALECT +# endif +#elif __STDC_VERSION__ >= 201000L +# define C_DIALECT "11" +#elif __STDC_VERSION__ >= 199901L +# define C_DIALECT "99" +#else +# define C_DIALECT "90" +#endif +const char* info_language_dialect_default = + "INFO" ":" "dialect_default[" C_DIALECT "]"; + +/*--------------------------------------------------------------------------*/ + +#ifdef ID_VOID_MAIN +void main() {} +#else +# if defined(__CLASSIC_C__) +int main(argc, argv) int argc; char *argv[]; +# else +int main(int argc, char* argv[]) +# endif +{ + int require = 0; + require += info_compiler[argc]; + require += info_platform[argc]; + require += info_arch[argc]; +#ifdef COMPILER_VERSION_MAJOR + require += info_version[argc]; +#endif +#ifdef COMPILER_VERSION_INTERNAL + require += info_version_internal[argc]; +#endif +#ifdef SIMULATE_ID + require += info_simulate[argc]; +#endif +#ifdef SIMULATE_VERSION_MAJOR + require += info_simulate_version[argc]; +#endif +#if defined(__CRAYXE) || defined(__CRAYXC) + require += info_cray[argc]; +#endif + require += info_language_dialect_default[argc]; + (void)argv; + return require; +} +#endif diff --git a/imgui-submodule/imgui/examples/CMakeFiles/3.16.5/CompilerIdC/a.out b/imgui-submodule/imgui/examples/CMakeFiles/3.16.5/CompilerIdC/a.out new file mode 100755 index 0000000000000000000000000000000000000000..ab0ed85ff3c8c5fbd9ad5b85b3cee43c66ac54b2 GIT binary patch literal 16552 zcmeHOZEPGz8J@d~V}~YpmozSE0(ct`x`_JXd>OmQ>7DI!_NsFdQl|(x&T4&k_8qy8 z=xz_3h=>S>lEZZgR6_kxmHcd_2u1veDt?rNL_tCYHGfL@sE80Lp`;}NTBS72@xC+f zd){52Q6&TdX-C?7XP)Rpq=gj{BgKt=%7BQ8K5-xX zZV>Cmawsp8n9|3T0Ife;$O=(yPIuG=dDk?M1 zatF18CF9NdG^)`hPg28J+WnB5NL2Ynb~>d-^+ias9~RNCkNo<`kL78qk0tYooZxYZ z;<@E8=rFNFTTFYeTN%us(Xg~wKCEEDlKnmpe%Q_ro0#@}RNqp(T&444Nky@_ke}?` zzPXU;F62wKneLgs-tOM*(P}xmRi5`+XbASHUAy;-9V>tK^QQ*Fb6dAK)8X*bCqzji=u$ z3?n^b8dLd_S;!yFLJ?I))iNuVQ8e=w?=meBRMu|WU`g)biQh3D`TTW zg>or7W=oIQAz_w`@4y zGpM^`!|74QE}rxl@EGtI@EGtI@EGtI@EGtI_>VL2x6mj4q0ipz(C6BIwOI)L8|N*5 z<5hk3QpZJEH|n>%m8@SmsMmk5&;H@o-m%nt+Z!-6*5_B1r5LyZmW|Hug8Sc3>GK1( zG0uG3n<)D4Se+2MM4?wSu7$deW8jMYdLBi(2;F1L+A z);Do+DjMoKfz1#Xrxx;|u9(1hf0_o{{Sc#m?519?UHfU`E}H6do$tb|d@gZQe^&Rs z8agLJFQ4}%?gIYC68LMaa1~&_^FmOF(79#dW|Xt7t?$~~i|vblAvHg62xeCCCzAEo z;`@{Jcj9C5`rZBdeD?u>A5U%i0I%tdu6vD!e&K_F)wSg}#CNLx*Hr!O;rburjkUki zXD|Bn{?}`7;`JV%h#!bg#1F;|J11Bl_5_r&pEP?0QsO0#0gnNX0gnNX0gnNX0gnNX z0gnNX0gr+I7Y2OIFQBbkoZLOK=aF=|csO6kR>tAW>4ekHp*OyqtyJ^n(s++b{ZYzn z<4n(lkRFE%rZrWr6vtEeHJ3oMlFp4&K9e^K*|Y_pDyPg^!5ZJPWkUEi1U?sm>hXJ; z^_NBiUIU2Ytw!SjVz(QOuObfe5=i_WjLCO&pYY9ueH&J`cbtOP6^P@Sf(ZEIn*uT1 zF26V;wjGWY5N{swcrg5=e`wWm|4Hyv-_7yc?Qzg&Q9lw4f7_o7u6sI=2x{}o62Zt* zZNtHyCztENzS;I&!B{ES7Z3KtgOS0YHW*wt7z_^vJLEU$=fM31h~s_#Ln6K8G2k)a zG2k)aG2k)aG2k)aG2k)qzs3Ns*W~q?yf%{MN^UT%-&{rI2rYtrkju2*a|4xmeJ8G$ z#l-7DaXyBL_3zwklx3L~S@PWJB`Wh;pVN>|hD%+=%KYT%!W#$K_d$Qb1`uC{J^-}o%y5M!?OI6J4ZZ%C= z@VZ)FN6YJGcMT0aqDA5`gV*GgUh9v-q`!O1CY4z#yu<^r(w5i%+YJNoZi3gbJMn=%DNGv~LsKFP!*t!TraHw+p^bPP{|#^>yMa1os;!4!w{UMB5Yr*gc`O z#8(QwUu@>EP95$h&5o#iKm?oX_U+n$2#KpL?ZblCVLRj!EBt=I{lN2H7teU#BYxb4M+oQV z8x&>2$CXbkw3F}WQHd|+%>o?b^Yc;$fuG}W_@Fbm`TsuPt=hlTdHqnv35gRALB^F@ z#W^o+!i%miuG#Uy4h8r1{WaOU+xeEnTl6;|#D{OyV$z`b^Ag~GvAF*~0Qeg0|Mb7W z&+$(Kt~I?EGGCJT;{G!Tco_PXyZ>l_ukkOwkCKQlgl*<>6vy2^Yk+G_tA)%7z*qY_ z1wR*A^Bu%(_bEN*#c7Fmik_IVS;Ls`o@~anOm`G!9al2B>JxI=7PtKE)@#$NHY72f^5F%PVQnbuTkXA*> z9Ov>S*bQ}9L`!8W8=WrIqLZ~eY&Oeh2#OCTyDf8CNL|jX=0r4eqy+Jlv?@x&l}a-z z7@(_U3nn^xU|E(0E1QXZ=FDG$y=IJ1~fL&ar?1wYZl z1<0siz_^IQ6(~a2rd#db5;$ImM*%$3RpRj)OCGP2TH10Rc(WbFPt{$r`JAxXFYFyQaPn49b8aUx4@KmQ*!pFfx5!et)Evec+zcl!wz zM_7&{rP{8Wg9n)oH#rc z1zsP!KaaCn!U)@u-2LZ!qgAA-UmVFR09^dgkT(>=!S^flkLNW;X z*!_9DxQ_fuuzS;=fj>hAV{!X=Jf)K(*TeQi2N%UH$RXyghyAstrOL3sU2@;Eo8~BB w4-t>=X+8r7w}*Mb_aEGLyZ^KJV1_j23eNQ^Esp(K``_$S7VohkNw@z$0S8l2KmY&$ literal 0 HcmV?d00001 diff --git a/imgui-submodule/imgui/examples/CMakeFiles/3.16.5/CompilerIdCXX/CMakeCXXCompilerId.cpp b/imgui-submodule/imgui/examples/CMakeFiles/3.16.5/CompilerIdCXX/CMakeCXXCompilerId.cpp new file mode 100644 index 0000000..69cfdba --- /dev/null +++ b/imgui-submodule/imgui/examples/CMakeFiles/3.16.5/CompilerIdCXX/CMakeCXXCompilerId.cpp @@ -0,0 +1,660 @@ +/* This source file must have a .cpp extension so that all C++ compilers + recognize the extension without flags. Borland does not know .cxx for + example. */ +#ifndef __cplusplus +# error "A C compiler has been selected for C++." +#endif + + +/* Version number components: V=Version, R=Revision, P=Patch + Version date components: YYYY=Year, MM=Month, DD=Day */ + +#if defined(__COMO__) +# define COMPILER_ID "Comeau" + /* __COMO_VERSION__ = VRR */ +# define COMPILER_VERSION_MAJOR DEC(__COMO_VERSION__ / 100) +# define COMPILER_VERSION_MINOR DEC(__COMO_VERSION__ % 100) + +#elif defined(__INTEL_COMPILER) || defined(__ICC) +# define COMPILER_ID "Intel" +# if defined(_MSC_VER) +# define SIMULATE_ID "MSVC" +# endif +# if defined(__GNUC__) +# define SIMULATE_ID "GNU" +# endif + /* __INTEL_COMPILER = VRP */ +# define COMPILER_VERSION_MAJOR DEC(__INTEL_COMPILER/100) +# define COMPILER_VERSION_MINOR DEC(__INTEL_COMPILER/10 % 10) +# if defined(__INTEL_COMPILER_UPDATE) +# define COMPILER_VERSION_PATCH DEC(__INTEL_COMPILER_UPDATE) +# else +# define COMPILER_VERSION_PATCH DEC(__INTEL_COMPILER % 10) +# endif +# if defined(__INTEL_COMPILER_BUILD_DATE) + /* __INTEL_COMPILER_BUILD_DATE = YYYYMMDD */ +# define COMPILER_VERSION_TWEAK DEC(__INTEL_COMPILER_BUILD_DATE) +# endif +# if defined(_MSC_VER) + /* _MSC_VER = VVRR */ +# define SIMULATE_VERSION_MAJOR DEC(_MSC_VER / 100) +# define SIMULATE_VERSION_MINOR DEC(_MSC_VER % 100) +# endif +# if defined(__GNUC__) +# define SIMULATE_VERSION_MAJOR DEC(__GNUC__) +# elif defined(__GNUG__) +# define SIMULATE_VERSION_MAJOR DEC(__GNUG__) +# endif +# if defined(__GNUC_MINOR__) +# define SIMULATE_VERSION_MINOR DEC(__GNUC_MINOR__) +# endif +# if defined(__GNUC_PATCHLEVEL__) +# define SIMULATE_VERSION_PATCH DEC(__GNUC_PATCHLEVEL__) +# endif + +#elif defined(__PATHCC__) +# define COMPILER_ID "PathScale" +# define COMPILER_VERSION_MAJOR DEC(__PATHCC__) +# define COMPILER_VERSION_MINOR DEC(__PATHCC_MINOR__) +# if defined(__PATHCC_PATCHLEVEL__) +# define COMPILER_VERSION_PATCH DEC(__PATHCC_PATCHLEVEL__) +# endif + +#elif defined(__BORLANDC__) && defined(__CODEGEARC_VERSION__) +# define COMPILER_ID "Embarcadero" +# define COMPILER_VERSION_MAJOR HEX(__CODEGEARC_VERSION__>>24 & 0x00FF) +# define COMPILER_VERSION_MINOR HEX(__CODEGEARC_VERSION__>>16 & 0x00FF) +# define COMPILER_VERSION_PATCH DEC(__CODEGEARC_VERSION__ & 0xFFFF) + +#elif defined(__BORLANDC__) +# define COMPILER_ID "Borland" + /* __BORLANDC__ = 0xVRR */ +# define COMPILER_VERSION_MAJOR HEX(__BORLANDC__>>8) +# define COMPILER_VERSION_MINOR HEX(__BORLANDC__ & 0xFF) + +#elif defined(__WATCOMC__) && __WATCOMC__ < 1200 +# define COMPILER_ID "Watcom" + /* __WATCOMC__ = VVRR */ +# define COMPILER_VERSION_MAJOR DEC(__WATCOMC__ / 100) +# define COMPILER_VERSION_MINOR DEC((__WATCOMC__ / 10) % 10) +# if (__WATCOMC__ % 10) > 0 +# define COMPILER_VERSION_PATCH DEC(__WATCOMC__ % 10) +# endif + +#elif defined(__WATCOMC__) +# define COMPILER_ID "OpenWatcom" + /* __WATCOMC__ = VVRP + 1100 */ +# define COMPILER_VERSION_MAJOR DEC((__WATCOMC__ - 1100) / 100) +# define COMPILER_VERSION_MINOR DEC((__WATCOMC__ / 10) % 10) +# if (__WATCOMC__ % 10) > 0 +# define COMPILER_VERSION_PATCH DEC(__WATCOMC__ % 10) +# endif + +#elif defined(__SUNPRO_CC) +# define COMPILER_ID "SunPro" +# if __SUNPRO_CC >= 0x5100 + /* __SUNPRO_CC = 0xVRRP */ +# define COMPILER_VERSION_MAJOR HEX(__SUNPRO_CC>>12) +# define COMPILER_VERSION_MINOR HEX(__SUNPRO_CC>>4 & 0xFF) +# define COMPILER_VERSION_PATCH HEX(__SUNPRO_CC & 0xF) +# else + /* __SUNPRO_CC = 0xVRP */ +# define COMPILER_VERSION_MAJOR HEX(__SUNPRO_CC>>8) +# define COMPILER_VERSION_MINOR HEX(__SUNPRO_CC>>4 & 0xF) +# define COMPILER_VERSION_PATCH HEX(__SUNPRO_CC & 0xF) +# endif + +#elif defined(__HP_aCC) +# define COMPILER_ID "HP" + /* __HP_aCC = VVRRPP */ +# define COMPILER_VERSION_MAJOR DEC(__HP_aCC/10000) +# define COMPILER_VERSION_MINOR DEC(__HP_aCC/100 % 100) +# define COMPILER_VERSION_PATCH DEC(__HP_aCC % 100) + +#elif defined(__DECCXX) +# define COMPILER_ID "Compaq" + /* __DECCXX_VER = VVRRTPPPP */ +# define COMPILER_VERSION_MAJOR DEC(__DECCXX_VER/10000000) +# define COMPILER_VERSION_MINOR DEC(__DECCXX_VER/100000 % 100) +# define COMPILER_VERSION_PATCH DEC(__DECCXX_VER % 10000) + +#elif defined(__IBMCPP__) && defined(__COMPILER_VER__) +# define COMPILER_ID "zOS" + /* __IBMCPP__ = VRP */ +# define COMPILER_VERSION_MAJOR DEC(__IBMCPP__/100) +# define COMPILER_VERSION_MINOR DEC(__IBMCPP__/10 % 10) +# define COMPILER_VERSION_PATCH DEC(__IBMCPP__ % 10) + +#elif defined(__ibmxl__) && defined(__clang__) +# define COMPILER_ID "XLClang" +# define COMPILER_VERSION_MAJOR DEC(__ibmxl_version__) +# define COMPILER_VERSION_MINOR DEC(__ibmxl_release__) +# define COMPILER_VERSION_PATCH DEC(__ibmxl_modification__) +# define COMPILER_VERSION_TWEAK DEC(__ibmxl_ptf_fix_level__) + + +#elif defined(__IBMCPP__) && !defined(__COMPILER_VER__) && __IBMCPP__ >= 800 +# define COMPILER_ID "XL" + /* __IBMCPP__ = VRP */ +# define COMPILER_VERSION_MAJOR DEC(__IBMCPP__/100) +# define COMPILER_VERSION_MINOR DEC(__IBMCPP__/10 % 10) +# define COMPILER_VERSION_PATCH DEC(__IBMCPP__ % 10) + +#elif defined(__IBMCPP__) && !defined(__COMPILER_VER__) && __IBMCPP__ < 800 +# define COMPILER_ID "VisualAge" + /* __IBMCPP__ = VRP */ +# define COMPILER_VERSION_MAJOR DEC(__IBMCPP__/100) +# define COMPILER_VERSION_MINOR DEC(__IBMCPP__/10 % 10) +# define COMPILER_VERSION_PATCH DEC(__IBMCPP__ % 10) + +#elif defined(__PGI) +# define COMPILER_ID "PGI" +# define COMPILER_VERSION_MAJOR DEC(__PGIC__) +# define COMPILER_VERSION_MINOR DEC(__PGIC_MINOR__) +# if defined(__PGIC_PATCHLEVEL__) +# define COMPILER_VERSION_PATCH DEC(__PGIC_PATCHLEVEL__) +# endif + +#elif defined(_CRAYC) +# define COMPILER_ID "Cray" +# define COMPILER_VERSION_MAJOR DEC(_RELEASE_MAJOR) +# define COMPILER_VERSION_MINOR DEC(_RELEASE_MINOR) + +#elif defined(__TI_COMPILER_VERSION__) +# define COMPILER_ID "TI" + /* __TI_COMPILER_VERSION__ = VVVRRRPPP */ +# define COMPILER_VERSION_MAJOR DEC(__TI_COMPILER_VERSION__/1000000) +# define COMPILER_VERSION_MINOR DEC(__TI_COMPILER_VERSION__/1000 % 1000) +# define COMPILER_VERSION_PATCH DEC(__TI_COMPILER_VERSION__ % 1000) + +#elif defined(__FUJITSU) || defined(__FCC_VERSION) || defined(__fcc_version) +# define COMPILER_ID "Fujitsu" + +#elif defined(__ghs__) +# define COMPILER_ID "GHS" +/* __GHS_VERSION_NUMBER = VVVVRP */ +# ifdef __GHS_VERSION_NUMBER +# define COMPILER_VERSION_MAJOR DEC(__GHS_VERSION_NUMBER / 100) +# define COMPILER_VERSION_MINOR DEC(__GHS_VERSION_NUMBER / 10 % 10) +# define COMPILER_VERSION_PATCH DEC(__GHS_VERSION_NUMBER % 10) +# endif + +#elif defined(__SCO_VERSION__) +# define COMPILER_ID "SCO" + +#elif defined(__ARMCC_VERSION) && !defined(__clang__) +# define COMPILER_ID "ARMCC" +#if __ARMCC_VERSION >= 1000000 + /* __ARMCC_VERSION = VRRPPPP */ + # define COMPILER_VERSION_MAJOR DEC(__ARMCC_VERSION/1000000) + # define COMPILER_VERSION_MINOR DEC(__ARMCC_VERSION/10000 % 100) + # define COMPILER_VERSION_PATCH DEC(__ARMCC_VERSION % 10000) +#else + /* __ARMCC_VERSION = VRPPPP */ + # define COMPILER_VERSION_MAJOR DEC(__ARMCC_VERSION/100000) + # define COMPILER_VERSION_MINOR DEC(__ARMCC_VERSION/10000 % 10) + # define COMPILER_VERSION_PATCH DEC(__ARMCC_VERSION % 10000) +#endif + + +#elif defined(__clang__) && defined(__apple_build_version__) +# define COMPILER_ID "AppleClang" +# if defined(_MSC_VER) +# define SIMULATE_ID "MSVC" +# endif +# define COMPILER_VERSION_MAJOR DEC(__clang_major__) +# define COMPILER_VERSION_MINOR DEC(__clang_minor__) +# define COMPILER_VERSION_PATCH DEC(__clang_patchlevel__) +# if defined(_MSC_VER) + /* _MSC_VER = VVRR */ +# define SIMULATE_VERSION_MAJOR DEC(_MSC_VER / 100) +# define SIMULATE_VERSION_MINOR DEC(_MSC_VER % 100) +# endif +# define COMPILER_VERSION_TWEAK DEC(__apple_build_version__) + +#elif defined(__clang__) && defined(__ARMCOMPILER_VERSION) +# define COMPILER_ID "ARMClang" + # define COMPILER_VERSION_MAJOR DEC(__ARMCOMPILER_VERSION/1000000) + # define COMPILER_VERSION_MINOR DEC(__ARMCOMPILER_VERSION/10000 % 100) + # define COMPILER_VERSION_PATCH DEC(__ARMCOMPILER_VERSION % 10000) +# define COMPILER_VERSION_INTERNAL DEC(__ARMCOMPILER_VERSION) + +#elif defined(__clang__) +# define COMPILER_ID "Clang" +# if defined(_MSC_VER) +# define SIMULATE_ID "MSVC" +# endif +# define COMPILER_VERSION_MAJOR DEC(__clang_major__) +# define COMPILER_VERSION_MINOR DEC(__clang_minor__) +# define COMPILER_VERSION_PATCH DEC(__clang_patchlevel__) +# if defined(_MSC_VER) + /* _MSC_VER = VVRR */ +# define SIMULATE_VERSION_MAJOR DEC(_MSC_VER / 100) +# define SIMULATE_VERSION_MINOR DEC(_MSC_VER % 100) +# endif + +#elif defined(__GNUC__) || defined(__GNUG__) +# define COMPILER_ID "GNU" +# if defined(__GNUC__) +# define COMPILER_VERSION_MAJOR DEC(__GNUC__) +# else +# define COMPILER_VERSION_MAJOR DEC(__GNUG__) +# endif +# if defined(__GNUC_MINOR__) +# define COMPILER_VERSION_MINOR DEC(__GNUC_MINOR__) +# endif +# if defined(__GNUC_PATCHLEVEL__) +# define COMPILER_VERSION_PATCH DEC(__GNUC_PATCHLEVEL__) +# endif + +#elif defined(_MSC_VER) +# define COMPILER_ID "MSVC" + /* _MSC_VER = VVRR */ +# define COMPILER_VERSION_MAJOR DEC(_MSC_VER / 100) +# define COMPILER_VERSION_MINOR DEC(_MSC_VER % 100) +# if defined(_MSC_FULL_VER) +# if _MSC_VER >= 1400 + /* _MSC_FULL_VER = VVRRPPPPP */ +# define COMPILER_VERSION_PATCH DEC(_MSC_FULL_VER % 100000) +# else + /* _MSC_FULL_VER = VVRRPPPP */ +# define COMPILER_VERSION_PATCH DEC(_MSC_FULL_VER % 10000) +# endif +# endif +# if defined(_MSC_BUILD) +# define COMPILER_VERSION_TWEAK DEC(_MSC_BUILD) +# endif + +#elif defined(__VISUALDSPVERSION__) || defined(__ADSPBLACKFIN__) || defined(__ADSPTS__) || defined(__ADSP21000__) +# define COMPILER_ID "ADSP" +#if defined(__VISUALDSPVERSION__) + /* __VISUALDSPVERSION__ = 0xVVRRPP00 */ +# define COMPILER_VERSION_MAJOR HEX(__VISUALDSPVERSION__>>24) +# define COMPILER_VERSION_MINOR HEX(__VISUALDSPVERSION__>>16 & 0xFF) +# define COMPILER_VERSION_PATCH HEX(__VISUALDSPVERSION__>>8 & 0xFF) +#endif + +#elif defined(__IAR_SYSTEMS_ICC__) || defined(__IAR_SYSTEMS_ICC) +# define COMPILER_ID "IAR" +# if defined(__VER__) && defined(__ICCARM__) +# define COMPILER_VERSION_MAJOR DEC((__VER__) / 1000000) +# define COMPILER_VERSION_MINOR DEC(((__VER__) / 1000) % 1000) +# define COMPILER_VERSION_PATCH DEC((__VER__) % 1000) +# define COMPILER_VERSION_INTERNAL DEC(__IAR_SYSTEMS_ICC__) +# elif defined(__VER__) && (defined(__ICCAVR__) || defined(__ICCRX__) || defined(__ICCRH850__) || defined(__ICCRL78__) || defined(__ICC430__) || defined(__ICCRISCV__) || defined(__ICCV850__) || defined(__ICC8051__)) +# define COMPILER_VERSION_MAJOR DEC((__VER__) / 100) +# define COMPILER_VERSION_MINOR DEC((__VER__) - (((__VER__) / 100)*100)) +# define COMPILER_VERSION_PATCH DEC(__SUBVERSION__) +# define COMPILER_VERSION_INTERNAL DEC(__IAR_SYSTEMS_ICC__) +# endif + + +/* These compilers are either not known or too old to define an + identification macro. Try to identify the platform and guess that + it is the native compiler. */ +#elif defined(__hpux) || defined(__hpua) +# define COMPILER_ID "HP" + +#else /* unknown compiler */ +# define COMPILER_ID "" +#endif + +/* Construct the string literal in pieces to prevent the source from + getting matched. Store it in a pointer rather than an array + because some compilers will just produce instructions to fill the + array rather than assigning a pointer to a static array. */ +char const* info_compiler = "INFO" ":" "compiler[" COMPILER_ID "]"; +#ifdef SIMULATE_ID +char const* info_simulate = "INFO" ":" "simulate[" SIMULATE_ID "]"; +#endif + +#ifdef __QNXNTO__ +char const* qnxnto = "INFO" ":" "qnxnto[]"; +#endif + +#if defined(__CRAYXE) || defined(__CRAYXC) +char const *info_cray = "INFO" ":" "compiler_wrapper[CrayPrgEnv]"; +#endif + +#define STRINGIFY_HELPER(X) #X +#define STRINGIFY(X) STRINGIFY_HELPER(X) + +/* Identify known platforms by name. */ +#if defined(__linux) || defined(__linux__) || defined(linux) +# define PLATFORM_ID "Linux" + +#elif defined(__CYGWIN__) +# define PLATFORM_ID "Cygwin" + +#elif defined(__MINGW32__) +# define PLATFORM_ID "MinGW" + +#elif defined(__APPLE__) +# define PLATFORM_ID "Darwin" + +#elif defined(_WIN32) || defined(__WIN32__) || defined(WIN32) +# define PLATFORM_ID "Windows" + +#elif defined(__FreeBSD__) || defined(__FreeBSD) +# define PLATFORM_ID "FreeBSD" + +#elif defined(__NetBSD__) || defined(__NetBSD) +# define PLATFORM_ID "NetBSD" + +#elif defined(__OpenBSD__) || defined(__OPENBSD) +# define PLATFORM_ID "OpenBSD" + +#elif defined(__sun) || defined(sun) +# define PLATFORM_ID "SunOS" + +#elif defined(_AIX) || defined(__AIX) || defined(__AIX__) || defined(__aix) || defined(__aix__) +# define PLATFORM_ID "AIX" + +#elif defined(__hpux) || defined(__hpux__) +# define PLATFORM_ID "HP-UX" + +#elif defined(__HAIKU__) +# define PLATFORM_ID "Haiku" + +#elif defined(__BeOS) || defined(__BEOS__) || defined(_BEOS) +# define PLATFORM_ID "BeOS" + +#elif defined(__QNX__) || defined(__QNXNTO__) +# define PLATFORM_ID "QNX" + +#elif defined(__tru64) || defined(_tru64) || defined(__TRU64__) +# define PLATFORM_ID "Tru64" + +#elif defined(__riscos) || defined(__riscos__) +# define PLATFORM_ID "RISCos" + +#elif defined(__sinix) || defined(__sinix__) || defined(__SINIX__) +# define PLATFORM_ID "SINIX" + +#elif defined(__UNIX_SV__) +# define PLATFORM_ID "UNIX_SV" + +#elif defined(__bsdos__) +# define PLATFORM_ID "BSDOS" + +#elif defined(_MPRAS) || defined(MPRAS) +# define PLATFORM_ID "MP-RAS" + +#elif defined(__osf) || defined(__osf__) +# define PLATFORM_ID "OSF1" + +#elif defined(_SCO_SV) || defined(SCO_SV) || defined(sco_sv) +# define PLATFORM_ID "SCO_SV" + +#elif defined(__ultrix) || defined(__ultrix__) || defined(_ULTRIX) +# define PLATFORM_ID "ULTRIX" + +#elif defined(__XENIX__) || defined(_XENIX) || defined(XENIX) +# define PLATFORM_ID "Xenix" + +#elif defined(__WATCOMC__) +# if defined(__LINUX__) +# define PLATFORM_ID "Linux" + +# elif defined(__DOS__) +# define PLATFORM_ID "DOS" + +# elif defined(__OS2__) +# define PLATFORM_ID "OS2" + +# elif defined(__WINDOWS__) +# define PLATFORM_ID "Windows3x" + +# else /* unknown platform */ +# define PLATFORM_ID +# endif + +#elif defined(__INTEGRITY) +# if defined(INT_178B) +# define PLATFORM_ID "Integrity178" + +# else /* regular Integrity */ +# define PLATFORM_ID "Integrity" +# endif + +#else /* unknown platform */ +# define PLATFORM_ID + +#endif + +/* For windows compilers MSVC and Intel we can determine + the architecture of the compiler being used. This is because + the compilers do not have flags that can change the architecture, + but rather depend on which compiler is being used +*/ +#if defined(_WIN32) && defined(_MSC_VER) +# if defined(_M_IA64) +# define ARCHITECTURE_ID "IA64" + +# elif defined(_M_X64) || defined(_M_AMD64) +# define ARCHITECTURE_ID "x64" + +# elif defined(_M_IX86) +# define ARCHITECTURE_ID "X86" + +# elif defined(_M_ARM64) +# define ARCHITECTURE_ID "ARM64" + +# elif defined(_M_ARM) +# if _M_ARM == 4 +# define ARCHITECTURE_ID "ARMV4I" +# elif _M_ARM == 5 +# define ARCHITECTURE_ID "ARMV5I" +# else +# define ARCHITECTURE_ID "ARMV" STRINGIFY(_M_ARM) +# endif + +# elif defined(_M_MIPS) +# define ARCHITECTURE_ID "MIPS" + +# elif defined(_M_SH) +# define ARCHITECTURE_ID "SHx" + +# else /* unknown architecture */ +# define ARCHITECTURE_ID "" +# endif + +#elif defined(__WATCOMC__) +# if defined(_M_I86) +# define ARCHITECTURE_ID "I86" + +# elif defined(_M_IX86) +# define ARCHITECTURE_ID "X86" + +# else /* unknown architecture */ +# define ARCHITECTURE_ID "" +# endif + +#elif defined(__IAR_SYSTEMS_ICC__) || defined(__IAR_SYSTEMS_ICC) +# if defined(__ICCARM__) +# define ARCHITECTURE_ID "ARM" + +# elif defined(__ICCRX__) +# define ARCHITECTURE_ID "RX" + +# elif defined(__ICCRH850__) +# define ARCHITECTURE_ID "RH850" + +# elif defined(__ICCRL78__) +# define ARCHITECTURE_ID "RL78" + +# elif defined(__ICCRISCV__) +# define ARCHITECTURE_ID "RISCV" + +# elif defined(__ICCAVR__) +# define ARCHITECTURE_ID "AVR" + +# elif defined(__ICC430__) +# define ARCHITECTURE_ID "MSP430" + +# elif defined(__ICCV850__) +# define ARCHITECTURE_ID "V850" + +# elif defined(__ICC8051__) +# define ARCHITECTURE_ID "8051" + +# else /* unknown architecture */ +# define ARCHITECTURE_ID "" +# endif + +#elif defined(__ghs__) +# if defined(__PPC64__) +# define ARCHITECTURE_ID "PPC64" + +# elif defined(__ppc__) +# define ARCHITECTURE_ID "PPC" + +# elif defined(__ARM__) +# define ARCHITECTURE_ID "ARM" + +# elif defined(__x86_64__) +# define ARCHITECTURE_ID "x64" + +# elif defined(__i386__) +# define ARCHITECTURE_ID "X86" + +# else /* unknown architecture */ +# define ARCHITECTURE_ID "" +# endif +#else +# define ARCHITECTURE_ID +#endif + +/* Convert integer to decimal digit literals. */ +#define DEC(n) \ + ('0' + (((n) / 10000000)%10)), \ + ('0' + (((n) / 1000000)%10)), \ + ('0' + (((n) / 100000)%10)), \ + ('0' + (((n) / 10000)%10)), \ + ('0' + (((n) / 1000)%10)), \ + ('0' + (((n) / 100)%10)), \ + ('0' + (((n) / 10)%10)), \ + ('0' + ((n) % 10)) + +/* Convert integer to hex digit literals. */ +#define HEX(n) \ + ('0' + ((n)>>28 & 0xF)), \ + ('0' + ((n)>>24 & 0xF)), \ + ('0' + ((n)>>20 & 0xF)), \ + ('0' + ((n)>>16 & 0xF)), \ + ('0' + ((n)>>12 & 0xF)), \ + ('0' + ((n)>>8 & 0xF)), \ + ('0' + ((n)>>4 & 0xF)), \ + ('0' + ((n) & 0xF)) + +/* Construct a string literal encoding the version number components. */ +#ifdef COMPILER_VERSION_MAJOR +char const info_version[] = { + 'I', 'N', 'F', 'O', ':', + 'c','o','m','p','i','l','e','r','_','v','e','r','s','i','o','n','[', + COMPILER_VERSION_MAJOR, +# ifdef COMPILER_VERSION_MINOR + '.', COMPILER_VERSION_MINOR, +# ifdef COMPILER_VERSION_PATCH + '.', COMPILER_VERSION_PATCH, +# ifdef COMPILER_VERSION_TWEAK + '.', COMPILER_VERSION_TWEAK, +# endif +# endif +# endif + ']','\0'}; +#endif + +/* Construct a string literal encoding the internal version number. */ +#ifdef COMPILER_VERSION_INTERNAL +char const info_version_internal[] = { + 'I', 'N', 'F', 'O', ':', + 'c','o','m','p','i','l','e','r','_','v','e','r','s','i','o','n','_', + 'i','n','t','e','r','n','a','l','[', + COMPILER_VERSION_INTERNAL,']','\0'}; +#endif + +/* Construct a string literal encoding the version number components. */ +#ifdef SIMULATE_VERSION_MAJOR +char const info_simulate_version[] = { + 'I', 'N', 'F', 'O', ':', + 's','i','m','u','l','a','t','e','_','v','e','r','s','i','o','n','[', + SIMULATE_VERSION_MAJOR, +# ifdef SIMULATE_VERSION_MINOR + '.', SIMULATE_VERSION_MINOR, +# ifdef SIMULATE_VERSION_PATCH + '.', SIMULATE_VERSION_PATCH, +# ifdef SIMULATE_VERSION_TWEAK + '.', SIMULATE_VERSION_TWEAK, +# endif +# endif +# endif + ']','\0'}; +#endif + +/* Construct the string literal in pieces to prevent the source from + getting matched. Store it in a pointer rather than an array + because some compilers will just produce instructions to fill the + array rather than assigning a pointer to a static array. */ +char const* info_platform = "INFO" ":" "platform[" PLATFORM_ID "]"; +char const* info_arch = "INFO" ":" "arch[" ARCHITECTURE_ID "]"; + + + + +#if defined(__INTEL_COMPILER) && defined(_MSVC_LANG) && _MSVC_LANG < 201403L +# if defined(__INTEL_CXX11_MODE__) +# if defined(__cpp_aggregate_nsdmi) +# define CXX_STD 201402L +# else +# define CXX_STD 201103L +# endif +# else +# define CXX_STD 199711L +# endif +#elif defined(_MSC_VER) && defined(_MSVC_LANG) +# define CXX_STD _MSVC_LANG +#else +# define CXX_STD __cplusplus +#endif + +const char* info_language_dialect_default = "INFO" ":" "dialect_default[" +#if CXX_STD > 201703L + "20" +#elif CXX_STD >= 201703L + "17" +#elif CXX_STD >= 201402L + "14" +#elif CXX_STD >= 201103L + "11" +#else + "98" +#endif +"]"; + +/*--------------------------------------------------------------------------*/ + +int main(int argc, char* argv[]) +{ + int require = 0; + require += info_compiler[argc]; + require += info_platform[argc]; +#ifdef COMPILER_VERSION_MAJOR + require += info_version[argc]; +#endif +#ifdef COMPILER_VERSION_INTERNAL + require += info_version_internal[argc]; +#endif +#ifdef SIMULATE_ID + require += info_simulate[argc]; +#endif +#ifdef SIMULATE_VERSION_MAJOR + require += info_simulate_version[argc]; +#endif +#if defined(__CRAYXE) || defined(__CRAYXC) + require += info_cray[argc]; +#endif + require += info_language_dialect_default[argc]; + (void)argv; + return require; +} diff --git a/imgui-submodule/imgui/examples/CMakeFiles/3.16.5/CompilerIdCXX/a.out b/imgui-submodule/imgui/examples/CMakeFiles/3.16.5/CompilerIdCXX/a.out new file mode 100755 index 0000000000000000000000000000000000000000..fcabd4ec22edd913abe39ee4016f3a90cc152383 GIT binary patch literal 16560 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b/imgui-submodule/imgui/examples/CMakeFiles/progress.marks @@ -0,0 +1 @@ +15 diff --git a/imgui-submodule/imgui/examples/README.txt b/imgui-submodule/imgui/examples/README.txt new file mode 100644 index 0000000..75d9772 --- /dev/null +++ b/imgui-submodule/imgui/examples/README.txt @@ -0,0 +1,287 @@ +----------------------------------------------------------------------- + dear imgui, v1.76 WIP +----------------------------------------------------------------------- + examples/README.txt + (This is the README file for the examples/ folder. See docs/ for more documentation) +----------------------------------------------------------------------- + +Dear ImGui is highly portable and only requires a few things to run and render: + + - Providing mouse/keyboard inputs + - Uploading the font atlas texture into graphics memory + - Providing a render function to render indexed textured triangles + - Optional: clipboard support, mouse cursor supports, Windows IME support, etc. + +This is essentially what the example bindings in this folder are providing + obligatory portability cruft. + +It is important to understand the difference between the core Dear ImGui library (files in the root folder) +and examples bindings which we are describing here (examples/ folder). +You should be able to write bindings for pretty much any platform and any 3D graphics API. With some extra +effort you can even perform the rendering remotely, on a different machine than the one running the logic. + +This folder contains two things: + + - Example bindings for popular platforms/graphics API, which you can use as is or adapt for your own use. + They are the imgui_impl_XXXX files found in the examples/ folder. + + - Example applications (standalone, ready-to-build) using the aforementioned bindings. + They are the in the XXXX_example/ sub-folders. + +You can find binaries of some of those example applications at: + http://www.dearimgui.org/binaries + + +--------------------------------------- + MISC COMMENTS AND SUGGESTIONS +--------------------------------------- + + - Read FAQ at http://dearimgui.org/faq + + - Please read 'PROGRAMMER GUIDE' in imgui.cpp for notes on how to setup Dear ImGui in your codebase. + Please read the comments and instruction at the top of each file. + + - If you are using of the backend provided here, so you can copy the imgui_impl_xxx.cpp/h files + to your project and use them unmodified. Each imgui_impl_xxxx.cpp comes with its own individual + ChangeLog at the top of the .cpp files, so if you want to update them later it will be easier to + catch up with what changed. + + - Dear ImGui has 0 to 1 frame of lag for most behaviors, at 60 FPS your experience should be pleasant. + However, consider that OS mouse cursors are typically drawn through a specific hardware accelerated path + and will feel smoother than common GPU rendered contents (including Dear ImGui windows). + You may experiment with the io.MouseDrawCursor flag to request Dear ImGui to draw a mouse cursor itself, + to visualize the lag between a hardware cursor and a software cursor. However, rendering a mouse cursor + at 60 FPS will feel slow. It might be beneficial to the user experience to switch to a software rendered + cursor only when an interactive drag is in progress. + Note that some setup or GPU drivers are likely to be causing extra lag depending on their settings. + If you feel that dragging windows feels laggy and you are not sure who to blame: try to build an + application drawing a shape directly under the mouse cursor. + + +--------------------------------------- + EXAMPLE BINDINGS +--------------------------------------- + +Most the example bindings are split in 2 parts: + + - The "Platform" bindings, in charge of: mouse/keyboard/gamepad inputs, cursor shape, timing, windowing. + Examples: Windows (imgui_impl_win32.cpp), GLFW (imgui_impl_glfw.cpp), SDL2 (imgui_impl_sdl.cpp), etc. + + - The "Renderer" bindings, in charge of: creating the main font texture, rendering imgui draw data. + Examples: DirectX11 (imgui_impl_dx11.cpp), GL3 (imgui_impl_opengl3.cpp), Vulkan (imgui_impl_vulkan.cpp), etc. + + - The example _applications_ usually combine 1 platform + 1 renderer binding to create a working program. + Examples: the example_win32_directx11/ application combines imgui_impl_win32.cpp + imgui_impl_dx11.cpp. + + - Some bindings for higher level frameworks carry both "Platform" and "Renderer" parts in one file. + This is the case for Allegro 5 (imgui_impl_allegro5.cpp), Marmalade (imgui_impl_marmalade5.cpp). + + - If you use your own engine, you may decide to use some of existing bindings and/or rewrite some using + your own API. As a recommendation, if you are new to Dear ImGui, try using the existing binding as-is + first, before moving on to rewrite some of the code. Although it is tempting to rewrite both of the + imgui_impl_xxxx files to fit under your coding style, consider that it is not necessary! + In fact, if you are new to Dear ImGui, rewriting them will almost always be harder. + + Example: your engine is built over Windows + DirectX11 but you have your own high-level rendering + system layered over DirectX11. + Suggestion: step 1: try using imgui_impl_win32.cpp + imgui_impl_dx11.cpp first. + Once this work, _if_ you want you can replace the imgui_impl_dx11.cpp code with a custom renderer + using your own functions, etc. + Please consider using the bindings to the lower-level platform/graphics API as-is. + + Example: your engine is multi-platform (consoles, phones, etc.), you have high-level systems everywhere. + Suggestion: step 1: try using a non-portable binding first (e.g. win32 + underlying graphics API)! + This is counter-intuitive, but this will get you running faster! Once you better understand how imgui + works and is bound, you can rewrite the code using your own systems. + + - Road-map: Dear ImGui 1.80 (WIP currently in the "docking" branch) will allows imgui windows to be + seamlessly detached from the main application window. This is achieved using an extra layer to the + platform and renderer bindings, which allows Dear ImGui to communicate platform-specific requests. + If you decide to use unmodified imgui_impl_xxxx.cpp files, you will automatically benefit from + improvements and fixes related to viewports and platform windows without extra work on your side. + + +List of Platforms Bindings in this repository: + + imgui_impl_glfw.cpp ; GLFW (Windows, macOS, Linux, etc.) http://www.glfw.org/ + imgui_impl_osx.mm ; macOS native API (not as feature complete as glfw/sdl back-ends) + imgui_impl_sdl.cpp ; SDL2 (Windows, macOS, Linux, iOS, Android) https://www.libsdl.org + imgui_impl_win32.cpp ; Win32 native API (Windows) + imgui_impl_glut.cpp ; GLUT/FreeGLUT (absolutely not recommended in 2020!) + +List of Renderer Bindings in this repository: + + imgui_impl_dx9.cpp ; DirectX9 + imgui_impl_dx10.cpp ; DirectX10 + imgui_impl_dx11.cpp ; DirectX11 + imgui_impl_dx12.cpp ; DirectX12 + imgui_impl_metal.mm ; Metal (with ObjC) + imgui_impl_opengl2.cpp ; OpenGL 2 (legacy, fixed pipeline <- don't use with modern OpenGL context) + imgui_impl_opengl3.cpp ; OpenGL 3/4, OpenGL ES 2, OpenGL ES 3 (modern programmable pipeline) + imgui_impl_vulkan.cpp ; Vulkan + +List of high-level Frameworks Bindings in this repository: (combine Platform + Renderer) + + imgui_impl_allegro5.cpp + imgui_impl_marmalade.cpp + +Note that Dear ImGui works with Emscripten. The examples_emscripten/ app uses imgui_impl_sdl.cpp and +imgui_impl_opengl3.cpp, but other combinations are possible. + +Third-party framework, graphics API and languages bindings are listed at: + + https://github.com/ocornut/imgui/wiki/Bindings + +Including backends for: + + AGS/Adventure Game Studio, Amethyst, bsf, Cinder, Cocos2d-x, Diligent Engine, Flexium, + GML/Game Maker Studio2, GTK3+OpenGL3, Irrlicht Engine, LÖVE+LUA, Magnum, NanoRT, Nim Game Lib, + Ogre, openFrameworks, OSG/OpenSceneGraph, Orx, px_render, Qt/QtDirect3D, SFML, Sokol, + Unreal Engine 4, vtk, Win32 GDI, etc. + +Not sure which to use? +Recommended platform/frameworks: + + GLFW https://github.com/glfw/glfw Use imgui_impl_glfw.cpp + SDL2 https://www.libsdl.org Use imgui_impl_sdl.cpp + Sokol https://github.com/floooh/sokol Use util/sokol_imgui.h in Sokol repository. + +Those will allow you to create portable applications and will solve and abstract away many issues. + + +--------------------------------------- + EXAMPLE APPLICATIONS +--------------------------------------- + +Building: + Unfortunately in 2020 it is still tedious to create and maintain portable build files using external + libraries (the kind we're using here to create a window and render 3D triangles) without relying on + third party software. For most examples here I choose to provide: + - Makefiles for Linux/OSX + - Batch files for Visual Studio 2008+ + - A .sln project file for Visual Studio 2010+ + - Xcode project files for the Apple examples + Please let me know if they don't work with your setup! + You can probably just import the imgui_impl_xxx.cpp/.h files into your own codebase or compile those + directly with a command-line compiler. + + If you are interested in using Cmake to build and links examples, see: + https://github.com/ocornut/imgui/pull/1713 and https://github.com/ocornut/imgui/pull/3027 + + +example_allegro5/ + Allegro 5 example. + = main.cpp + imgui_impl_allegro5.cpp + +example_apple_metal/ + OSX & iOS + Metal. + = main.m + imgui_impl_osx.mm + imgui_impl_metal.mm + It is based on the "cross-platform" game template provided with Xcode as of Xcode 9. + (NB: imgui_impl_osx.mm is currently not as feature complete as other platforms back-ends. + You may prefer to use the GLFW Or SDL back-ends, which will also support Windows and Linux.) + +example_apple_opengl2/ + OSX + OpenGL2. + = main.mm + imgui_impl_osx.mm + imgui_impl_opengl2.cpp + (NB: imgui_impl_osx.mm is currently not as feature complete as other platforms back-ends. + You may prefer to use the GLFW Or SDL back-ends, which will also support Windows and Linux.) + +example_empscripten: + Emcripten + SDL2 + OpenGL3+/ES2/ES3 example. + = main.cpp + imgui_impl_sdl.cpp + imgui_impl_opengl3.cpp + Note that other examples based on SDL or GLFW + OpenGL could easily be modified to work with Emscripten. + We provide this to make the Emscripten differences obvious, and have them not pollute all other examples. + +example_glfw_metal/ + GLFW (Mac) + Metal example. + = main.mm + imgui_impl_glfw.cpp + imgui_impl_metal.mm + +example_glfw_opengl2/ + GLFW + OpenGL2 example (legacy, fixed pipeline). + = main.cpp + imgui_impl_glfw.cpp + imgui_impl_opengl2.cpp + **DO NOT USE OPENGL2 CODE IF YOUR CODE/ENGINE IS USING MODERN OPENGL (SHADERS, VBO, VAO, etc.)** + **Prefer using OPENGL3 code (with gl3w/glew/glad/glbindings, you can replace the OpenGL function loader)** + This code is mostly provided as a reference to learn about Dear ImGui integration, because it is shorter. + If your code is using GL3+ context or any semi modern OpenGL calls, using this renderer is likely to + make things more complicated, will require your code to reset many OpenGL attributes to their initial + state, and might confuse your GPU driver. One star, not recommended. + +example_glfw_opengl3/ + GLFW (Win32, Mac, Linux) + OpenGL3+/ES2/ES3 example (programmable pipeline). + = main.cpp + imgui_impl_glfw.cpp + imgui_impl_opengl3.cpp + This uses more modern OpenGL calls and custom shaders. + Prefer using that if you are using modern OpenGL in your application (anything with shaders). + (Please be mindful that accessing OpenGL3+ functions requires a function loader, which are a frequent + source for confusion for new users. We use a loader in imgui_impl_opengl3.cpp which may be different + from the one your app normally use. Read imgui_impl_opengl3.h for details and how to change it.) + +example_glfw_vulkan/ + GLFW (Win32, Mac, Linux) + Vulkan example. + = main.cpp + imgui_impl_glfw.cpp + imgui_impl_vulkan.cpp + This is quite long and tedious, because: Vulkan. + For this example, the main.cpp file exceptionally use helpers function from imgui_impl_vulkan.h/cpp. + +example_glut_opengl2/ + GLUT (e.g., FreeGLUT on Linux/Windows, GLUT framework on OSX) + OpenGL2. + = main.cpp + imgui_impl_glut.cpp + imgui_impl_opengl2.cpp + Note that GLUT/FreeGLUT is largely obsolete software, prefer using GLFW or SDL. + +example_marmalade/ + Marmalade example using IwGx. + = main.cpp + imgui_impl_marmalade.cpp + +example_null + Null example, compile and link imgui, create context, run headless with no inputs and no graphics output. + = main.cpp + This is used to quickly test compilation of core imgui files in as many setups as possible. + Because this application doesn't create a window nor a graphic context, there's no graphics output. + +example_sdl_directx11/ + SDL2 + DirectX11 example, Windows only. + = main.cpp + imgui_impl_sdl.cpp + imgui_impl_dx11.cpp + This to demonstrate usage of DirectX with SDL. + +example_sdl_metal/ + SDL2 (Mac) + Metal example. + = main.mm + imgui_impl_sdl.cpp + imgui_impl_metal.mm + +example_sdl_opengl2/ + SDL2 (Win32, Mac, Linux etc.) + OpenGL example (legacy, fixed pipeline). + = main.cpp + imgui_impl_sdl.cpp + imgui_impl_opengl2.cpp + **DO NOT USE OPENGL2 CODE IF YOUR CODE/ENGINE IS USING MODERN OPENGL (SHADERS, VBO, VAO, etc.)** + **Prefer using OPENGL3 code (with gl3w/glew/glad/glbindings, you can replace the OpenGL function loader)** + This code is mostly provided as a reference to learn about Dear ImGui integration, because it is shorter. + If your code is using GL3+ context or any semi modern OpenGL calls, using this renderer is likely to + make things more complicated, will require your code to reset many OpenGL attributes to their initial + state, and might confuse your GPU driver. One star, not recommended. + +example_sdl_opengl3/ + SDL2 (Win32, Mac, Linux, etc.) + OpenGL3+/ES2/ES3 example. + = main.cpp + imgui_impl_sdl.cpp + imgui_impl_opengl3.cpp + This uses more modern OpenGL calls and custom shaders. + Prefer using that if you are using modern OpenGL in your application (anything with shaders). + (Please be mindful that accessing OpenGL3+ functions requires a function loader, which are a frequent + source for confusion for new users. We use a loader in imgui_impl_opengl3.cpp which may be different + from the one your app normally use. Read imgui_impl_opengl3.h for details and how to change it.) + +example_sdl_vulkan/ + SDL2 (Win32, Mac, Linux, etc.) + Vulkan example. + = main.cpp + imgui_impl_sdl.cpp + imgui_impl_vulkan.cpp + This is quite long and tedious, because: Vulkan. + For this example, the main.cpp file exceptionally use helpers function from imgui_impl_vulkan.h/cpp. + +example_win32_directx9/ + DirectX9 example, Windows only. + = main.cpp + imgui_impl_win32.cpp + imgui_impl_dx9.cpp + +example_win32_directx10/ + DirectX10 example, Windows only. + = main.cpp + imgui_impl_win32.cpp + imgui_impl_dx10.cpp + +example_win32_directx11/ + DirectX11 example, Windows only. + = main.cpp + imgui_impl_win32.cpp + imgui_impl_dx11.cpp + +example_win32_directx12/ + DirectX12 example, Windows only. + = main.cpp + imgui_impl_win32.cpp + imgui_impl_dx12.cpp + This is quite long and tedious, because: DirectX12. diff --git a/imgui-submodule/imgui/examples/cmake_install.cmake b/imgui-submodule/imgui/examples/cmake_install.cmake new file mode 100644 index 0000000..be52643 --- /dev/null +++ b/imgui-submodule/imgui/examples/cmake_install.cmake @@ -0,0 +1,65 @@ +# Install script for directory: /home/mari/projects/cpp/opengl-playground + +# Set the install prefix +if(NOT DEFINED CMAKE_INSTALL_PREFIX) + set(CMAKE_INSTALL_PREFIX "/usr/local") +endif() +string(REGEX REPLACE "/$" "" CMAKE_INSTALL_PREFIX "${CMAKE_INSTALL_PREFIX}") + +# Set the install configuration name. +if(NOT DEFINED CMAKE_INSTALL_CONFIG_NAME) + if(BUILD_TYPE) + string(REGEX REPLACE "^[^A-Za-z0-9_]+" "" + CMAKE_INSTALL_CONFIG_NAME "${BUILD_TYPE}") + else() + set(CMAKE_INSTALL_CONFIG_NAME "") + endif() + message(STATUS "Install configuration: \"${CMAKE_INSTALL_CONFIG_NAME}\"") +endif() + +# Set the component getting installed. +if(NOT CMAKE_INSTALL_COMPONENT) + if(COMPONENT) + message(STATUS "Install component: \"${COMPONENT}\"") + set(CMAKE_INSTALL_COMPONENT "${COMPONENT}") + else() + set(CMAKE_INSTALL_COMPONENT) + endif() +endif() + +# Install shared libraries without execute permission? +if(NOT DEFINED CMAKE_INSTALL_SO_NO_EXE) + set(CMAKE_INSTALL_SO_NO_EXE "0") +endif() + +# Is this installation the result of a crosscompile? +if(NOT DEFINED CMAKE_CROSSCOMPILING) + set(CMAKE_CROSSCOMPILING "FALSE") +endif() + +if("x${CMAKE_INSTALL_COMPONENT}x" STREQUAL "xUnspecifiedx" OR NOT CMAKE_INSTALL_COMPONENT) + if(EXISTS "$ENV{DESTDIR}${CMAKE_INSTALL_PREFIX}/bin/opengl-playground" AND + NOT IS_SYMLINK "$ENV{DESTDIR}${CMAKE_INSTALL_PREFIX}/bin/opengl-playground") + file(RPATH_CHECK + FILE "$ENV{DESTDIR}${CMAKE_INSTALL_PREFIX}/bin/opengl-playground" + RPATH "") + endif() + file(INSTALL DESTINATION "${CMAKE_INSTALL_PREFIX}/bin" TYPE EXECUTABLE FILES "/home/mari/projects/cpp/opengl-playground/imgui-submodule/imgui/examples/opengl-playground") + if(EXISTS "$ENV{DESTDIR}${CMAKE_INSTALL_PREFIX}/bin/opengl-playground" AND + NOT IS_SYMLINK "$ENV{DESTDIR}${CMAKE_INSTALL_PREFIX}/bin/opengl-playground") + if(CMAKE_INSTALL_DO_STRIP) + execute_process(COMMAND "/usr/bin/strip" "$ENV{DESTDIR}${CMAKE_INSTALL_PREFIX}/bin/opengl-playground") + endif() + endif() +endif() + +if(CMAKE_INSTALL_COMPONENT) + set(CMAKE_INSTALL_MANIFEST "install_manifest_${CMAKE_INSTALL_COMPONENT}.txt") +else() + set(CMAKE_INSTALL_MANIFEST "install_manifest.txt") +endif() + +string(REPLACE ";" "\n" CMAKE_INSTALL_MANIFEST_CONTENT + "${CMAKE_INSTALL_MANIFEST_FILES}") +file(WRITE "/home/mari/projects/cpp/opengl-playground/imgui-submodule/imgui/examples/${CMAKE_INSTALL_MANIFEST}" + "${CMAKE_INSTALL_MANIFEST_CONTENT}") diff --git a/imgui-submodule/imgui/examples/example_allegro5/README.md b/imgui-submodule/imgui/examples/example_allegro5/README.md new file mode 100644 index 0000000..10d9d6e --- /dev/null +++ b/imgui-submodule/imgui/examples/example_allegro5/README.md @@ -0,0 +1,35 @@ + +# Configuration + +Dear ImGui outputs 16-bit vertex indices by default. +Allegro doesn't support them natively, so we have two solutions: convert the indices manually in imgui_impl_allegro5.cpp, or compile dear imgui with 32-bit indices. +You can either modify imconfig.h that comes with Dear ImGui (easier), or set a C++ preprocessor option IMGUI_USER_CONFIG to find to a filename. +We are providing `imconfig_allegro5.h` that enables 32-bit indices. +Note that the back-end supports _BOTH_ 16-bit and 32-bit indices, but 32-bit indices will be slightly faster as they won't require a manual conversion. + +# How to Build + +### On Ubuntu 14.04+ and macOS + +```bash +g++ -DIMGUI_USER_CONFIG=\"examples/example_allegro5/imconfig_allegro5.h\" -I .. -I ../.. main.cpp ../imgui_impl_allegro5.cpp ../../imgui*.cpp -lallegro -lallegro_main -lallegro_primitives -o allegro5_example +``` + +On macOS, install Allegro with homebrew: `brew install allegro`. + +### On Windows with Visual Studio's CLI + +You may install Allegro using vcpkg: +``` +git clone https://github.com/Microsoft/vcpkg +cd vcpkg +.\bootstrap-vcpkg.bat +.\vcpkg install allegro5 +.\vcpkg integrate install ; optional, automatically register include/libs in Visual Studio +``` + +Build: +``` +set ALLEGRODIR=path_to_your_allegro5_folder +cl /Zi /MD /I %ALLEGRODIR%\include /DIMGUI_USER_CONFIG=\"examples/example_allegro5/imconfig_allegro5.h\" /I .. /I ..\.. main.cpp ..\imgui_impl_allegro5.cpp ..\..\imgui*.cpp /link /LIBPATH:%ALLEGRODIR%\lib allegro-5.0.10-monolith-md.lib user32.lib +``` diff --git a/imgui-submodule/imgui/examples/example_allegro5/imconfig_allegro5.h b/imgui-submodule/imgui/examples/example_allegro5/imconfig_allegro5.h new file mode 100644 index 0000000..35afa67 --- /dev/null +++ b/imgui-submodule/imgui/examples/example_allegro5/imconfig_allegro5.h @@ -0,0 +1,11 @@ +//----------------------------------------------------------------------------- +// COMPILE-TIME OPTIONS FOR DEAR IMGUI ALLEGRO 5 EXAMPLE +// See imconfig.h for the full template +// Because Allegro doesn't support 16-bit vertex indices, we enable the compile-time option of imgui to use 32-bit indices +//----------------------------------------------------------------------------- + +#pragma once + +// Use 32-bit vertex indices because Allegro doesn't support 16-bit ones +// This allows us to avoid converting vertices format at runtime +#define ImDrawIdx int diff --git a/imgui-submodule/imgui/examples/example_allegro5/main.cpp b/imgui-submodule/imgui/examples/example_allegro5/main.cpp new file mode 100644 index 0000000..5a02684 --- /dev/null +++ b/imgui-submodule/imgui/examples/example_allegro5/main.cpp @@ -0,0 +1,135 @@ +// dear imgui: standalone example application for Allegro 5 +// If you are new to dear imgui, see examples/README.txt and documentation at the top of imgui.cpp. + +#include +#include +#include +#include "imgui.h" +#include "imgui_impl_allegro5.h" + +int main(int, char**) +{ + // Setup Allegro + al_init(); + al_install_keyboard(); + al_install_mouse(); + al_init_primitives_addon(); + al_set_new_display_flags(ALLEGRO_RESIZABLE); + ALLEGRO_DISPLAY* display = al_create_display(1280, 720); + al_set_window_title(display, "Dear ImGui Allegro 5 example"); + ALLEGRO_EVENT_QUEUE* queue = al_create_event_queue(); + al_register_event_source(queue, al_get_display_event_source(display)); + al_register_event_source(queue, al_get_keyboard_event_source()); + al_register_event_source(queue, al_get_mouse_event_source()); + + // Setup Dear ImGui context + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + //io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + + // Setup Dear ImGui style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsClassic(); + + // Setup Platform/Renderer bindings + ImGui_ImplAllegro5_Init(display); + + // Load Fonts + // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. + // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. + // - If the file cannot be loaded, the function will return NULL. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. + // - Read 'docs/FONTS.txt' for more instructions and details. + // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! + //io.Fonts->AddFontDefault(); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/ProggyTiny.ttf", 10.0f); + //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, NULL, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != NULL); + + bool show_demo_window = true; + bool show_another_window = false; + ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f); + + // Main loop + bool running = true; + while (running) + { + // Poll and handle events (inputs, window resize, etc.) + // You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. + // - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application. + // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. + // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. + ALLEGRO_EVENT ev; + while (al_get_next_event(queue, &ev)) + { + ImGui_ImplAllegro5_ProcessEvent(&ev); + if (ev.type == ALLEGRO_EVENT_DISPLAY_CLOSE) + running = false; + if (ev.type == ALLEGRO_EVENT_DISPLAY_RESIZE) + { + ImGui_ImplAllegro5_InvalidateDeviceObjects(); + al_acknowledge_resize(display); + ImGui_ImplAllegro5_CreateDeviceObjects(); + } + } + + // Start the Dear ImGui frame + ImGui_ImplAllegro5_NewFrame(); + ImGui::NewFrame(); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to created a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / ImGui::GetIO().Framerate, ImGui::GetIO().Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + ImGui::Render(); + al_clear_to_color(al_map_rgba_f(clear_color.x, clear_color.y, clear_color.z, clear_color.w)); + ImGui_ImplAllegro5_RenderDrawData(ImGui::GetDrawData()); + al_flip_display(); + } + + // Cleanup + ImGui_ImplAllegro5_Shutdown(); + ImGui::DestroyContext(); + al_destroy_event_queue(queue); + al_destroy_display(display); + + return 0; +} diff --git a/imgui-submodule/imgui/examples/example_apple_metal/README.md b/imgui-submodule/imgui/examples/example_apple_metal/README.md new file mode 100644 index 0000000..4f62032 --- /dev/null +++ b/imgui-submodule/imgui/examples/example_apple_metal/README.md @@ -0,0 +1,8 @@ +# iOS / OSX Metal example + +## Introduction + +This example shows how to integrate Dear ImGui with Metal. It is based on the "cross-platform" game template provided with Xcode as of Xcode 9. + +(NB: you may still want to use GLFW or SDL which will also support Windows, Linux along with OSX.) + diff --git a/imgui-submodule/imgui/examples/example_apple_metal/Shared/AppDelegate.h b/imgui-submodule/imgui/examples/example_apple_metal/Shared/AppDelegate.h new file mode 100644 index 0000000..94878d9 --- /dev/null +++ b/imgui-submodule/imgui/examples/example_apple_metal/Shared/AppDelegate.h @@ -0,0 +1,18 @@ +#import + +#if TARGET_OS_IPHONE + +#import + +@interface AppDelegate : UIResponder +@property (strong, nonatomic) UIWindow *window; +@end + +#else + +#import + +@interface AppDelegate : NSObject +@end + +#endif diff --git a/imgui-submodule/imgui/examples/example_apple_metal/Shared/AppDelegate.m b/imgui-submodule/imgui/examples/example_apple_metal/Shared/AppDelegate.m new file mode 100644 index 0000000..6947eb2 --- /dev/null +++ b/imgui-submodule/imgui/examples/example_apple_metal/Shared/AppDelegate.m @@ -0,0 +1,11 @@ +#import "AppDelegate.h" + +@implementation AppDelegate + +#if TARGET_OS_OSX +- (BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)sender { + return YES; +} +#endif + +@end diff --git a/imgui-submodule/imgui/examples/example_apple_metal/Shared/Renderer.h b/imgui-submodule/imgui/examples/example_apple_metal/Shared/Renderer.h new file mode 100644 index 0000000..81fc6f5 --- /dev/null +++ b/imgui-submodule/imgui/examples/example_apple_metal/Shared/Renderer.h @@ -0,0 +1,8 @@ +#import + +@interface Renderer : NSObject + +-(nonnull instancetype)initWithView:(nonnull MTKView *)view; + +@end + diff --git a/imgui-submodule/imgui/examples/example_apple_metal/Shared/Renderer.mm b/imgui-submodule/imgui/examples/example_apple_metal/Shared/Renderer.mm new file mode 100644 index 0000000..efc3332 --- /dev/null +++ b/imgui-submodule/imgui/examples/example_apple_metal/Shared/Renderer.mm @@ -0,0 +1,129 @@ +#import "Renderer.h" +#import + +#include "imgui.h" +#include "imgui_impl_metal.h" + +#if TARGET_OS_OSX +#include "imgui_impl_osx.h" +#endif + +@interface Renderer () +@property (nonatomic, strong) id device; +@property (nonatomic, strong) id commandQueue; +@end + +@implementation Renderer + +-(nonnull instancetype)initWithView:(nonnull MTKView *)view; +{ + self = [super init]; + if(self) + { + _device = view.device; + _commandQueue = [_device newCommandQueue]; + + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGui::StyleColorsDark(); + + ImGui_ImplMetal_Init(_device); + } + + return self; +} + +- (void)drawInMTKView:(MTKView *)view +{ + ImGuiIO &io = ImGui::GetIO(); + io.DisplaySize.x = view.bounds.size.width; + io.DisplaySize.y = view.bounds.size.height; + +#if TARGET_OS_OSX + CGFloat framebufferScale = view.window.screen.backingScaleFactor ?: NSScreen.mainScreen.backingScaleFactor; +#else + CGFloat framebufferScale = view.window.screen.scale ?: UIScreen.mainScreen.scale; +#endif + io.DisplayFramebufferScale = ImVec2(framebufferScale, framebufferScale); + + io.DeltaTime = 1 / float(view.preferredFramesPerSecond ?: 60); + + id commandBuffer = [self.commandQueue commandBuffer]; + + static bool show_demo_window = true; + static bool show_another_window = false; + static float clear_color[4] = { 0.28f, 0.36f, 0.5f, 1.0f }; + + MTLRenderPassDescriptor *renderPassDescriptor = view.currentRenderPassDescriptor; + if (renderPassDescriptor != nil) + { + renderPassDescriptor.colorAttachments[0].clearColor = MTLClearColorMake(clear_color[0], clear_color[1], clear_color[2], clear_color[3]); + + // Here, you could do additional rendering work, including other passes as necessary. + + id renderEncoder = [commandBuffer renderCommandEncoderWithDescriptor:renderPassDescriptor]; + [renderEncoder pushDebugGroup:@"ImGui demo"]; + + // Start the Dear ImGui frame + ImGui_ImplMetal_NewFrame(renderPassDescriptor); +#if TARGET_OS_OSX + ImGui_ImplOSX_NewFrame(view); +#endif + ImGui::NewFrame(); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to created a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / ImGui::GetIO().Framerate, ImGui::GetIO().Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + ImGui::Render(); + ImDrawData *drawData = ImGui::GetDrawData(); + ImGui_ImplMetal_RenderDrawData(drawData, commandBuffer, renderEncoder); + + [renderEncoder popDebugGroup]; + [renderEncoder endEncoding]; + + [commandBuffer presentDrawable:view.currentDrawable]; + } + + [commandBuffer commit]; +} + +- (void)mtkView:(MTKView *)view drawableSizeWillChange:(CGSize)size +{ +} + +@end diff --git a/imgui-submodule/imgui/examples/example_apple_metal/Shared/ViewController.h b/imgui-submodule/imgui/examples/example_apple_metal/Shared/ViewController.h new file mode 100644 index 0000000..137f93e --- /dev/null +++ b/imgui-submodule/imgui/examples/example_apple_metal/Shared/ViewController.h @@ -0,0 +1,19 @@ +#import +#import +#import "Renderer.h" + +#if TARGET_OS_IPHONE + +#import + +@interface ViewController : UIViewController +@end + +#else + +#import + +@interface ViewController : NSViewController +@end + +#endif diff --git a/imgui-submodule/imgui/examples/example_apple_metal/Shared/ViewController.mm b/imgui-submodule/imgui/examples/example_apple_metal/Shared/ViewController.mm new file mode 100644 index 0000000..73040ad --- /dev/null +++ b/imgui-submodule/imgui/examples/example_apple_metal/Shared/ViewController.mm @@ -0,0 +1,129 @@ +#import "ViewController.h" +#import "Renderer.h" +#include "imgui.h" + +#if TARGET_OS_OSX +#include "imgui_impl_osx.h" +#endif + +@interface ViewController () +@property (nonatomic, readonly) MTKView *mtkView; +@property (nonatomic, strong) Renderer *renderer; +@end + +@implementation ViewController + +- (MTKView *)mtkView { + return (MTKView *)self.view; +} + +- (void)viewDidLoad +{ + [super viewDidLoad]; + + self.mtkView.device = MTLCreateSystemDefaultDevice(); + + if (!self.mtkView.device) { + NSLog(@"Metal is not supported"); + abort(); + } + + self.renderer = [[Renderer alloc] initWithView:self.mtkView]; + + [self.renderer mtkView:self.mtkView drawableSizeWillChange:self.mtkView.bounds.size]; + + self.mtkView.delegate = self.renderer; + +#if TARGET_OS_OSX + // Add a tracking area in order to receive mouse events whenever the mouse is within the bounds of our view + NSTrackingArea *trackingArea = [[NSTrackingArea alloc] initWithRect:NSZeroRect + options:NSTrackingMouseMoved | NSTrackingInVisibleRect | NSTrackingActiveAlways + owner:self + userInfo:nil]; + [self.view addTrackingArea:trackingArea]; + + // If we want to receive key events, we either need to be in the responder chain of the key view, + // or else we can install a local monitor. The consequence of this heavy-handed approach is that + // we receive events for all controls, not just Dear ImGui widgets. If we had native controls in our + // window, we'd want to be much more careful than just ingesting the complete event stream, though we + // do make an effort to be good citizens by passing along events when Dear ImGui doesn't want to capture. + NSEventMask eventMask = NSEventMaskKeyDown | NSEventMaskKeyUp | NSEventMaskFlagsChanged | NSEventTypeScrollWheel; + [NSEvent addLocalMonitorForEventsMatchingMask:eventMask handler:^NSEvent * _Nullable(NSEvent *event) { + BOOL wantsCapture = ImGui_ImplOSX_HandleEvent(event, self.view); + if (event.type == NSEventTypeKeyDown && wantsCapture) { + return nil; + } else { + return event; + } + + }]; + + ImGui_ImplOSX_Init(); +#endif +} + +#if TARGET_OS_OSX + +- (void)mouseMoved:(NSEvent *)event { + ImGui_ImplOSX_HandleEvent(event, self.view); +} + +- (void)mouseDown:(NSEvent *)event { + ImGui_ImplOSX_HandleEvent(event, self.view); +} + +- (void)mouseUp:(NSEvent *)event { + ImGui_ImplOSX_HandleEvent(event, self.view); +} + +- (void)mouseDragged:(NSEvent *)event { + ImGui_ImplOSX_HandleEvent(event, self.view); +} + +- (void)scrollWheel:(NSEvent *)event { + ImGui_ImplOSX_HandleEvent(event, self.view); +} + +#elif TARGET_OS_IOS + +// This touch mapping is super cheesy/hacky. We treat any touch on the screen +// as if it were a depressed left mouse button, and we don't bother handling +// multitouch correctly at all. This causes the "cursor" to behave very erratically +// when there are multiple active touches. But for demo purposes, single-touch +// interaction actually works surprisingly well. +- (void)updateIOWithTouchEvent:(UIEvent *)event { + UITouch *anyTouch = event.allTouches.anyObject; + CGPoint touchLocation = [anyTouch locationInView:self.view]; + ImGuiIO &io = ImGui::GetIO(); + io.MousePos = ImVec2(touchLocation.x, touchLocation.y); + + BOOL hasActiveTouch = NO; + for (UITouch *touch in event.allTouches) { + if (touch.phase != UITouchPhaseEnded && touch.phase != UITouchPhaseCancelled) { + hasActiveTouch = YES; + break; + } + } + io.MouseDown[0] = hasActiveTouch; +} + +- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event { + [self updateIOWithTouchEvent:event]; +} + +- (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event { + [self updateIOWithTouchEvent:event]; +} + +- (void)touchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event { + [self updateIOWithTouchEvent:event]; +} + +- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event { + [self updateIOWithTouchEvent:event]; +} + +#endif + +@end + diff --git a/imgui-submodule/imgui/examples/example_apple_metal/Shared/main.m b/imgui-submodule/imgui/examples/example_apple_metal/Shared/main.m new file mode 100644 index 0000000..15938a9 --- /dev/null +++ b/imgui-submodule/imgui/examples/example_apple_metal/Shared/main.m @@ -0,0 +1,22 @@ +#import + +#if TARGET_OS_IPHONE + +#import +#import "AppDelegate.h" + +int main(int argc, char * argv[]) { + @autoreleasepool { + return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class])); + } +} + +#else + +#import + +int main(int argc, const char * argv[]) { + return NSApplicationMain(argc, argv); +} + +#endif diff --git a/imgui-submodule/imgui/examples/example_apple_metal/example_apple_metal.xcodeproj/project.pbxproj b/imgui-submodule/imgui/examples/example_apple_metal/example_apple_metal.xcodeproj/project.pbxproj new file mode 100644 index 0000000..f1c1049 --- /dev/null +++ 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+} +@end + +@implementation ImGuiExampleView + +-(void)animationTimerFired:(NSTimer*)timer +{ + [self setNeedsDisplay:YES]; +} + +-(void)prepareOpenGL +{ + [super prepareOpenGL]; + +#ifndef DEBUG + GLint swapInterval = 1; + [[self openGLContext] setValues:&swapInterval forParameter:NSOpenGLCPSwapInterval]; + if (swapInterval == 0) + NSLog(@"Error: Cannot set swap interval."); +#endif +} + +-(void)updateAndDrawDemoView +{ + // Start the Dear ImGui frame + ImGui_ImplOpenGL2_NewFrame(); + ImGui_ImplOSX_NewFrame(self); + ImGui::NewFrame(); + + // Global data for the demo + static bool show_demo_window = true; + static bool show_another_window = false; + static ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to created a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / ImGui::GetIO().Framerate, ImGui::GetIO().Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + ImGui::Render(); + [[self openGLContext] makeCurrentContext]; + + ImDrawData* draw_data = ImGui::GetDrawData(); + GLsizei width = (GLsizei)(draw_data->DisplaySize.x * draw_data->FramebufferScale.x); + GLsizei height = (GLsizei)(draw_data->DisplaySize.y * draw_data->FramebufferScale.y); + glViewport(0, 0, width, height); + + glClearColor(clear_color.x, clear_color.y, clear_color.z, clear_color.w); + glClear(GL_COLOR_BUFFER_BIT); + ImGui_ImplOpenGL2_RenderDrawData(draw_data); + + // Present + [[self openGLContext] flushBuffer]; + + if (!animationTimer) + animationTimer = [NSTimer scheduledTimerWithTimeInterval:0.017 target:self selector:@selector(animationTimerFired:) userInfo:nil repeats:YES]; +} + +-(void)reshape +{ + [[self openGLContext] update]; + [self updateAndDrawDemoView]; +} + +-(void)drawRect:(NSRect)bounds +{ + [self updateAndDrawDemoView]; +} + +-(BOOL)acceptsFirstResponder +{ + return (YES); +} + +-(BOOL)becomeFirstResponder +{ + return (YES); +} + +-(BOOL)resignFirstResponder +{ + return (YES); +} + +-(void)dealloc +{ + animationTimer = nil; +} + +// Forward Mouse/Keyboard events to dear imgui OSX back-end. It returns true when imgui is expecting to use the event. +-(void)keyUp:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self); } +-(void)keyDown:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self); } +-(void)flagsChanged:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self); } +-(void)mouseDown:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self); } +-(void)mouseUp:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self); } +-(void)mouseMoved:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self); } +-(void)mouseDragged:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self); } +-(void)scrollWheel:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self); } + +@end + +//----------------------------------------------------------------------------------- +// ImGuiExampleAppDelegate +//----------------------------------------------------------------------------------- + +@interface ImGuiExampleAppDelegate : NSObject +@property (nonatomic, readonly) NSWindow* window; +@end + +@implementation ImGuiExampleAppDelegate +@synthesize window = _window; + +-(BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)theApplication +{ + return YES; +} + +-(NSWindow*)window +{ + if (_window != nil) + return (_window); + + NSRect viewRect = NSMakeRect(100.0, 100.0, 100.0 + 1280.0, 100 + 720.0); + + _window = [[NSWindow alloc] initWithContentRect:viewRect styleMask:NSWindowStyleMaskTitled|NSWindowStyleMaskMiniaturizable|NSWindowStyleMaskResizable|NSWindowStyleMaskClosable backing:NSBackingStoreBuffered defer:YES]; + [_window setTitle:@"Dear ImGui OSX+OpenGL2 Example"]; + [_window setAcceptsMouseMovedEvents:YES]; + [_window setOpaque:YES]; + [_window makeKeyAndOrderFront:NSApp]; + + return (_window); +} + +-(void)setupMenu +{ + NSMenu* mainMenuBar = [[NSMenu alloc] init]; + NSMenu* appMenu; + NSMenuItem* menuItem; + + appMenu = [[NSMenu alloc] initWithTitle:@"Dear ImGui OSX+OpenGL2 Example"]; + menuItem = [appMenu addItemWithTitle:@"Quit Dear ImGui OSX+OpenGL2 Example" action:@selector(terminate:) keyEquivalent:@"q"]; + [menuItem setKeyEquivalentModifierMask:NSEventModifierFlagCommand]; + + menuItem = [[NSMenuItem alloc] init]; + [menuItem setSubmenu:appMenu]; + + [mainMenuBar addItem:menuItem]; + + appMenu = nil; + [NSApp setMainMenu:mainMenuBar]; +} + +-(void)dealloc +{ + _window = nil; +} + +-(void)applicationDidFinishLaunching:(NSNotification *)aNotification +{ + // Make the application a foreground application (else it won't receive keyboard events) + ProcessSerialNumber psn = {0, kCurrentProcess}; + TransformProcessType(&psn, kProcessTransformToForegroundApplication); + + // Menu + [self setupMenu]; + + NSOpenGLPixelFormatAttribute attrs[] = + { + NSOpenGLPFADoubleBuffer, + NSOpenGLPFADepthSize, 32, + 0 + }; + + NSOpenGLPixelFormat* format = [[NSOpenGLPixelFormat alloc] initWithAttributes:attrs]; + ImGuiExampleView* view = [[ImGuiExampleView alloc] initWithFrame:self.window.frame pixelFormat:format]; + format = nil; +#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1070 + if (floor(NSAppKitVersionNumber) > NSAppKitVersionNumber10_6) + [view setWantsBestResolutionOpenGLSurface:YES]; +#endif // MAC_OS_X_VERSION_MAX_ALLOWED >= 1070 + [self.window setContentView:view]; + + if ([view openGLContext] == nil) + NSLog(@"No OpenGL Context!"); + + // Setup Dear ImGui context + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + //io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + + // Setup Dear ImGui style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsClassic(); + + // Setup Platform/Renderer bindings + ImGui_ImplOSX_Init(); + ImGui_ImplOpenGL2_Init(); + + // Load Fonts + // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. + // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. + // - If the file cannot be loaded, the function will return NULL. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. + // - Read 'docs/FONTS.txt' for more instructions and details. + // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! + //io.Fonts->AddFontDefault(); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/ProggyTiny.ttf", 10.0f); + //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, NULL, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != NULL); +} + +@end + +int main(int argc, const char* argv[]) +{ + @autoreleasepool + { + NSApp = [NSApplication sharedApplication]; + ImGuiExampleAppDelegate* delegate = [[ImGuiExampleAppDelegate alloc] init]; + [[NSApplication sharedApplication] setDelegate:delegate]; + [NSApp run]; + } + return NSApplicationMain(argc, argv); +} diff --git a/imgui-submodule/imgui/examples/example_emscripten/README.md b/imgui-submodule/imgui/examples/example_emscripten/README.md new file mode 100644 index 0000000..dcb7c1a --- /dev/null +++ b/imgui-submodule/imgui/examples/example_emscripten/README.md @@ -0,0 +1,12 @@ + +# How to Build + +- You need to install Emscripten from https://emscripten.org/docs/getting_started/downloads.html, and have the environment variables set, as described in https://emscripten.org/docs/getting_started/downloads.html#installation-instructions + +- Depending on your configuration, in Windows you may need to run `emsdk/emsdk_env.bat` in your console to access the Emscripten command-line tools. + +- Then build using `make` while in the `example_emscripten/` directory. + +- Note that Emscripten 1.39.0 (October 2019) obsoleted the `BINARYEN_TRAP_MODE=clamp` compilation flag which was required with version older than 1.39.0 to avoid rendering artefacts. See [#2877](https://github.com/ocornut/imgui/issues/2877) for details. If you use an older version, uncomment this line in the Makefile: + +`#EMS += -s BINARYEN_TRAP_MODE=clamp` diff --git a/imgui-submodule/imgui/examples/example_emscripten/main.cpp b/imgui-submodule/imgui/examples/example_emscripten/main.cpp new file mode 100644 index 0000000..f0eb3a2 --- /dev/null +++ b/imgui-submodule/imgui/examples/example_emscripten/main.cpp @@ -0,0 +1,173 @@ +// dear imgui: standalone example application for Emscripten, using SDL2 + OpenGL3 +// This is mostly the same code as the SDL2 + OpenGL3 example, simply with the modifications needed to run on Emscripten. +// It is possible to combine both code into a single source file that will compile properly on Desktop and using Emscripten. +// See https://github.com/ocornut/imgui/pull/2492 as an example on how to do just that. +// +// If you are new to dear imgui, see examples/README.txt and documentation at the top of imgui.cpp. +// (Emscripten is a C++-to-javascript compiler, used to publish executables for the web. See https://emscripten.org/) + +#include "imgui.h" +#include "imgui_impl_sdl.h" +#include "imgui_impl_opengl3.h" +#include +#include +#include +#include + +// Emscripten requires to have full control over the main loop. We're going to store our SDL book-keeping variables globally. +// Having a single function that acts as a loop prevents us to store state in the stack of said function. So we need some location for this. +SDL_Window* g_Window = NULL; +SDL_GLContext g_GLContext = NULL; + +// For clarity, our main loop code is declared at the end. +void main_loop(void*); + +int main(int, char**) +{ + // Setup SDL + if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER | SDL_INIT_GAMECONTROLLER) != 0) + { + printf("Error: %s\n", SDL_GetError()); + return -1; + } + + // For the browser using Emscripten, we are going to use WebGL1 with GL ES2. See the Makefile. for requirement details. + // It is very likely the generated file won't work in many browsers. Firefox is the only sure bet, but I have successfully + // run this code on Chrome for Android for example. + const char* glsl_version = "#version 100"; + //const char* glsl_version = "#version 300 es"; + SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, 0); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_ES); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0); + + // Create window with graphics context + SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1); + SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24); + SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 8); + SDL_DisplayMode current; + SDL_GetCurrentDisplayMode(0, ¤t); + SDL_WindowFlags window_flags = (SDL_WindowFlags)(SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI); + g_Window = SDL_CreateWindow("Dear ImGui Emscripten example", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 1280, 720, window_flags); + g_GLContext = SDL_GL_CreateContext(g_Window); + if (!g_GLContext) + { + fprintf(stderr, "Failed to initialize WebGL context!\n"); + return 1; + } + SDL_GL_SetSwapInterval(1); // Enable vsync + + // Setup Dear ImGui context + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + //io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + //io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls + + // For an Emscripten build we are disabling file-system access, so let's not attempt to do a fopen() of the imgui.ini file. + // You may manually call LoadIniSettingsFromMemory() to load settings from your own storage. + io.IniFilename = NULL; + + // Setup Dear ImGui style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsClassic(); + + // Setup Platform/Renderer bindings + ImGui_ImplSDL2_InitForOpenGL(g_Window, g_GLContext); + ImGui_ImplOpenGL3_Init(glsl_version); + + // Load Fonts + // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. + // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. + // - If the file cannot be loaded, the function will return NULL. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. + // - Read 'docs/FONTS.txt' for more instructions and details. + // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! + // - Emscripten allows preloading a file or folder to be accessible at runtime. See Makefile for details. + //io.Fonts->AddFontDefault(); +#ifndef IMGUI_DISABLE_FILE_FUNCTIONS + io.Fonts->AddFontFromFileTTF("fonts/Roboto-Medium.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("fonts/Cousine-Regular.ttf", 15.0f); + //io.Fonts->AddFontFromFileTTF("fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("fonts/ProggyTiny.ttf", 10.0f); + //ImFont* font = io.Fonts->AddFontFromFileTTF("fonts/ArialUni.ttf", 18.0f, NULL, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != NULL); +#endif + + // This function call won't return, and will engage in an infinite loop, processing events from the browser, and dispatching them. + emscripten_set_main_loop_arg(main_loop, NULL, 0, true); +} + +void main_loop(void* arg) +{ + ImGuiIO& io = ImGui::GetIO(); + IM_UNUSED(arg); // We can pass this argument as the second parameter of emscripten_set_main_loop_arg(), but we don't use that. + + // Our state (make them static = more or less global) as a convenience to keep the example terse. + static bool show_demo_window = true; + static bool show_another_window = false; + static ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f); + + // Poll and handle events (inputs, window resize, etc.) + // You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. + // - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application. + // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. + // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. + SDL_Event event; + while (SDL_PollEvent(&event)) + { + ImGui_ImplSDL2_ProcessEvent(&event); + // Capture events here, based on io.WantCaptureMouse and io.WantCaptureKeyboard + } + + // Start the Dear ImGui frame + ImGui_ImplOpenGL3_NewFrame(); + ImGui_ImplSDL2_NewFrame(g_Window); + ImGui::NewFrame(); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to created a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / ImGui::GetIO().Framerate, ImGui::GetIO().Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + ImGui::Render(); + SDL_GL_MakeCurrent(g_Window, g_GLContext); + glViewport(0, 0, (int)io.DisplaySize.x, (int)io.DisplaySize.y); + glClearColor(clear_color.x, clear_color.y, clear_color.z, clear_color.w); + glClear(GL_COLOR_BUFFER_BIT); + ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData()); + SDL_GL_SwapWindow(g_Window); +} diff --git a/imgui-submodule/imgui/examples/example_emscripten/shell_minimal.html b/imgui-submodule/imgui/examples/example_emscripten/shell_minimal.html new file mode 100644 index 0000000..514385d --- /dev/null +++ b/imgui-submodule/imgui/examples/example_emscripten/shell_minimal.html @@ -0,0 +1,64 @@ + + + + + + Dear ImGui Emscripten example + + + + + + {{{ SCRIPT }}} + + diff --git a/imgui-submodule/imgui/examples/example_glfw_metal/main.mm b/imgui-submodule/imgui/examples/example_glfw_metal/main.mm new file mode 100644 index 0000000..d6f9ae3 --- /dev/null +++ b/imgui-submodule/imgui/examples/example_glfw_metal/main.mm @@ -0,0 +1,170 @@ +// dear imgui: standalone example application for GLFW + Metal, using programmable pipeline +// If you are new to dear imgui, see examples/README.txt and documentation at the top of imgui.cpp. +// (GLFW is a cross-platform general purpose library for handling windows, inputs, OpenGL/Vulkan/Metal graphics context creation, etc.) + +#include "imgui.h" +#include "imgui_impl_glfw.h" +#include "imgui_impl_metal.h" +#include + +#define GLFW_INCLUDE_NONE +#define GLFW_EXPOSE_NATIVE_COCOA +#include +#include + +#import +#import + +static void glfw_error_callback(int error, const char* description) +{ + fprintf(stderr, "Glfw Error %d: %s\n", error, description); +} + +int main(int, char**) +{ + // Setup Dear ImGui binding + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + //io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + //io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls + + // Setup style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsClassic(); + + // Load Fonts + // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. + // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. + // - If the file cannot be loaded, the function will return NULL. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. + // - Read 'docs/FONTS.txt' for more instructions and details. + // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! + //io.Fonts->AddFontDefault(); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/ProggyTiny.ttf", 10.0f); + //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, NULL, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != NULL); + + // Setup window + glfwSetErrorCallback(glfw_error_callback); + if (!glfwInit()) + return 1; + + // Create window with graphics context + glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API); + GLFWwindow* window = glfwCreateWindow(1280, 720, "Dear ImGui GLFW+Metal example", NULL, NULL); + if (window == NULL) + return 1; + + id device = MTLCreateSystemDefaultDevice();; + id commandQueue = [device newCommandQueue]; + + ImGui_ImplGlfw_InitForOpenGL(window, true); + ImGui_ImplMetal_Init(device); + + NSWindow *nswin = glfwGetCocoaWindow(window); + CAMetalLayer *layer = [CAMetalLayer layer]; + layer.device = device; + layer.pixelFormat = MTLPixelFormatBGRA8Unorm; + nswin.contentView.layer = layer; + nswin.contentView.wantsLayer = YES; + + MTLRenderPassDescriptor *renderPassDescriptor = [MTLRenderPassDescriptor new]; + + // Our state + bool show_demo_window = true; + bool show_another_window = false; + float clear_color[4] = {0.45f, 0.55f, 0.60f, 1.00f}; + + // Main loop + while (!glfwWindowShouldClose(window)) + { + @autoreleasepool + { + // Poll and handle events (inputs, window resize, etc.) + // You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. + // - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application. + // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. + // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. + glfwPollEvents(); + + int width, height; + glfwGetFramebufferSize(window, &width, &height); + layer.drawableSize = CGSizeMake(width, height); + id drawable = [layer nextDrawable]; + + id commandBuffer = [commandQueue commandBuffer]; + renderPassDescriptor.colorAttachments[0].clearColor = MTLClearColorMake(clear_color[0], clear_color[1], clear_color[2], clear_color[3]); + renderPassDescriptor.colorAttachments[0].texture = drawable.texture; + renderPassDescriptor.colorAttachments[0].loadAction = MTLLoadActionClear; + renderPassDescriptor.colorAttachments[0].storeAction = MTLStoreActionStore; + id renderEncoder = [commandBuffer renderCommandEncoderWithDescriptor:renderPassDescriptor]; + [renderEncoder pushDebugGroup:@"ImGui demo"]; + + // Start the Dear ImGui frame + ImGui_ImplMetal_NewFrame(renderPassDescriptor); + ImGui_ImplGlfw_NewFrame(); + ImGui::NewFrame(); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to created a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / ImGui::GetIO().Framerate, ImGui::GetIO().Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + ImGui::Render(); + ImGui_ImplMetal_RenderDrawData(ImGui::GetDrawData(), commandBuffer, renderEncoder); + + [renderEncoder popDebugGroup]; + [renderEncoder endEncoding]; + + [commandBuffer presentDrawable:drawable]; + [commandBuffer commit]; + } + } + + // Cleanup + ImGui_ImplMetal_Shutdown(); + ImGui_ImplGlfw_Shutdown(); + ImGui::DestroyContext(); + + glfwDestroyWindow(window); + glfwTerminate(); + + return 0; +} diff --git a/imgui-submodule/imgui/examples/example_glfw_opengl2/build_win32.bat b/imgui-submodule/imgui/examples/example_glfw_opengl2/build_win32.bat new file mode 100644 index 0000000..538d9a5 --- /dev/null +++ b/imgui-submodule/imgui/examples/example_glfw_opengl2/build_win32.bat @@ -0,0 +1,3 @@ +@REM Build for Visual Studio compiler. Run your copy of vcvars32.bat or vcvarsall.bat to setup command-line compiler. +mkdir Debug +cl /nologo /Zi /MD /I .. /I ..\.. /I ..\libs\glfw\include *.cpp ..\imgui_impl_opengl2.cpp ..\imgui_impl_glfw.cpp ..\..\imgui*.cpp /FeDebug/example_glfw_opengl2.exe /FoDebug/ /link /LIBPATH:..\libs\glfw\lib-vc2010-32 glfw3.lib opengl32.lib gdi32.lib shell32.lib diff --git a/imgui-submodule/imgui/examples/example_glfw_opengl2/main.cpp b/imgui-submodule/imgui/examples/example_glfw_opengl2/main.cpp new file mode 100644 index 0000000..a50b463 --- /dev/null +++ b/imgui-submodule/imgui/examples/example_glfw_opengl2/main.cpp @@ -0,0 +1,158 @@ +// dear imgui: standalone example application for GLFW + OpenGL2, using legacy fixed pipeline +// If you are new to dear imgui, see examples/README.txt and documentation at the top of imgui.cpp. +// (GLFW is a cross-platform general purpose library for handling windows, inputs, OpenGL/Vulkan/Metal graphics context creation, etc.) + +// **DO NOT USE THIS CODE IF YOUR CODE/ENGINE IS USING MODERN OPENGL (SHADERS, VBO, VAO, etc.)** +// **Prefer using the code in the example_glfw_opengl2/ folder** +// See imgui_impl_glfw.cpp for details. + +#include "imgui.h" +#include "imgui_impl_glfw.h" +#include "imgui_impl_opengl2.h" +#include +#ifdef __APPLE__ +#define GL_SILENCE_DEPRECATION +#endif +#include + +// [Win32] Our example includes a copy of glfw3.lib pre-compiled with VS2010 to maximize ease of testing and compatibility with old VS compilers. +// To link with VS2010-era libraries, VS2015+ requires linking with legacy_stdio_definitions.lib, which we do using this pragma. +// Your own project should not be affected, as you are likely to link with a newer binary of GLFW that is adequate for your version of Visual Studio. +#if defined(_MSC_VER) && (_MSC_VER >= 1900) && !defined(IMGUI_DISABLE_WIN32_FUNCTIONS) +#pragma comment(lib, "legacy_stdio_definitions") +#endif + +static void glfw_error_callback(int error, const char* description) +{ + fprintf(stderr, "Glfw Error %d: %s\n", error, description); +} + +int main(int, char**) +{ + // Setup window + glfwSetErrorCallback(glfw_error_callback); + if (!glfwInit()) + return 1; + GLFWwindow* window = glfwCreateWindow(1280, 720, "Dear ImGui GLFW+OpenGL2 example", NULL, NULL); + if (window == NULL) + return 1; + glfwMakeContextCurrent(window); + glfwSwapInterval(1); // Enable vsync + + // Setup Dear ImGui context + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + //io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + //io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls + + // Setup Dear ImGui style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsClassic(); + + // Setup Platform/Renderer bindings + ImGui_ImplGlfw_InitForOpenGL(window, true); + ImGui_ImplOpenGL2_Init(); + + // Load Fonts + // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. + // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. + // - If the file cannot be loaded, the function will return NULL. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. + // - Read 'docs/FONTS.txt' for more instructions and details. + // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! + //io.Fonts->AddFontDefault(); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/ProggyTiny.ttf", 10.0f); + //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, NULL, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != NULL); + + // Our state + bool show_demo_window = true; + bool show_another_window = false; + ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f); + + // Main loop + while (!glfwWindowShouldClose(window)) + { + // Poll and handle events (inputs, window resize, etc.) + // You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. + // - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application. + // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. + // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. + glfwPollEvents(); + + // Start the Dear ImGui frame + ImGui_ImplOpenGL2_NewFrame(); + ImGui_ImplGlfw_NewFrame(); + ImGui::NewFrame(); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to created a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / ImGui::GetIO().Framerate, ImGui::GetIO().Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + ImGui::Render(); + int display_w, display_h; + glfwGetFramebufferSize(window, &display_w, &display_h); + glViewport(0, 0, display_w, display_h); + glClearColor(clear_color.x, clear_color.y, clear_color.z, clear_color.w); + glClear(GL_COLOR_BUFFER_BIT); + + // If you are using this code with non-legacy OpenGL header/contexts (which you should not, prefer using imgui_impl_opengl3.cpp!!), + // you may need to backup/reset/restore current shader using the commented lines below. + //GLint last_program; + //glGetIntegerv(GL_CURRENT_PROGRAM, &last_program); + //glUseProgram(0); + ImGui_ImplOpenGL2_RenderDrawData(ImGui::GetDrawData()); + //glUseProgram(last_program); + + glfwMakeContextCurrent(window); + glfwSwapBuffers(window); + } + + // Cleanup + ImGui_ImplOpenGL2_Shutdown(); + ImGui_ImplGlfw_Shutdown(); + ImGui::DestroyContext(); + + glfwDestroyWindow(window); + glfwTerminate(); + + return 0; +} diff --git a/imgui-submodule/imgui/examples/example_glfw_opengl3/build_win32.bat b/imgui-submodule/imgui/examples/example_glfw_opengl3/build_win32.bat new file mode 100644 index 0000000..e5c15c5 --- /dev/null +++ b/imgui-submodule/imgui/examples/example_glfw_opengl3/build_win32.bat @@ -0,0 +1,3 @@ +@REM Build for Visual Studio compiler. Run your copy of vcvars32.bat or vcvarsall.bat to setup command-line compiler. +mkdir Debug +cl /nologo /Zi /MD /I .. /I ..\.. /I ..\libs\glfw\include /I ..\libs\gl3w *.cpp ..\imgui_impl_glfw.cpp ..\imgui_impl_opengl3.cpp ..\..\imgui*.cpp ..\libs\gl3w\GL\gl3w.c /FeDebug/example_glfw_opengl3.exe /FoDebug/ /link /LIBPATH:..\libs\glfw\lib-vc2010-32 glfw3.lib opengl32.lib gdi32.lib shell32.lib diff --git a/imgui-submodule/imgui/examples/example_glfw_opengl3/main.cpp b/imgui-submodule/imgui/examples/example_glfw_opengl3/main.cpp new file mode 100644 index 0000000..55b379d --- /dev/null +++ b/imgui-submodule/imgui/examples/example_glfw_opengl3/main.cpp @@ -0,0 +1,202 @@ +// dear imgui: standalone example application for GLFW + OpenGL 3, using programmable pipeline +// If you are new to dear imgui, see examples/README.txt and documentation at the top of imgui.cpp. +// (GLFW is a cross-platform general purpose library for handling windows, inputs, OpenGL/Vulkan/Metal graphics context creation, etc.) + +#include "imgui.h" +#include "imgui_impl_glfw.h" +#include "imgui_impl_opengl3.h" +#include + +// About Desktop OpenGL function loaders: +// Modern desktop OpenGL doesn't have a standard portable header file to load OpenGL function pointers. +// Helper libraries are often used for this purpose! Here we are supporting a few common ones (gl3w, glew, glad). +// You may use another loader/header of your choice (glext, glLoadGen, etc.), or chose to manually implement your own. +#if defined(IMGUI_IMPL_OPENGL_LOADER_GL3W) +#include // Initialize with gl3wInit() +#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLEW) +#include // Initialize with glewInit() +#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLAD) +#include // Initialize with gladLoadGL() +#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLBINDING) +#define GLFW_INCLUDE_NONE // GLFW including OpenGL headers causes ambiguity or multiple definition errors. +#include // Initialize with glbinding::initialize() +#include +using namespace gl; +#else +#include IMGUI_IMPL_OPENGL_LOADER_CUSTOM +#endif + +// Include glfw3.h after our OpenGL definitions +#include + +// [Win32] Our example includes a copy of glfw3.lib pre-compiled with VS2010 to maximize ease of testing and compatibility with old VS compilers. +// To link with VS2010-era libraries, VS2015+ requires linking with legacy_stdio_definitions.lib, which we do using this pragma. +// Your own project should not be affected, as you are likely to link with a newer binary of GLFW that is adequate for your version of Visual Studio. +#if defined(_MSC_VER) && (_MSC_VER >= 1900) && !defined(IMGUI_DISABLE_WIN32_FUNCTIONS) +#pragma comment(lib, "legacy_stdio_definitions") +#endif + +static void glfw_error_callback(int error, const char* description) +{ + fprintf(stderr, "Glfw Error %d: %s\n", error, description); +} + +int main(int, char**) +{ + // Setup window + glfwSetErrorCallback(glfw_error_callback); + if (!glfwInit()) + return 1; + + // Decide GL+GLSL versions +#if __APPLE__ + // GL 3.2 + GLSL 150 + const char* glsl_version = "#version 150"; + glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3); + glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2); + glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE); // 3.2+ only + glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE); // Required on Mac +#else + // GL 3.0 + GLSL 130 + const char* glsl_version = "#version 130"; + glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3); + glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0); + //glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE); // 3.2+ only + //glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE); // 3.0+ only +#endif + + // Create window with graphics context + GLFWwindow* window = glfwCreateWindow(1280, 720, "Dear ImGui GLFW+OpenGL3 example", NULL, NULL); + if (window == NULL) + return 1; + glfwMakeContextCurrent(window); + glfwSwapInterval(1); // Enable vsync + + // Initialize OpenGL loader +#if defined(IMGUI_IMPL_OPENGL_LOADER_GL3W) + bool err = gl3wInit() != 0; +#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLEW) + bool err = glewInit() != GLEW_OK; +#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLAD) + bool err = gladLoadGL() == 0; +#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLBINDING) + bool err = false; + glbinding::initialize([](const char* name) { return (glbinding::ProcAddress)glfwGetProcAddress(name); }); +#else + bool err = false; // If you use IMGUI_IMPL_OPENGL_LOADER_CUSTOM, your loader is likely to requires some form of initialization. +#endif + if (err) + { + fprintf(stderr, "Failed to initialize OpenGL loader!\n"); + return 1; + } + + // Setup Dear ImGui context + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + //io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + //io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls + + // Setup Dear ImGui style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsClassic(); + + // Setup Platform/Renderer bindings + ImGui_ImplGlfw_InitForOpenGL(window, true); + ImGui_ImplOpenGL3_Init(glsl_version); + + // Load Fonts + // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. + // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. + // - If the file cannot be loaded, the function will return NULL. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. + // - Read 'docs/FONTS.txt' for more instructions and details. + // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! + //io.Fonts->AddFontDefault(); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/ProggyTiny.ttf", 10.0f); + //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, NULL, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != NULL); + + // Our state + bool show_demo_window = true; + bool show_another_window = false; + ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f); + + // Main loop + while (!glfwWindowShouldClose(window)) + { + // Poll and handle events (inputs, window resize, etc.) + // You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. + // - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application. + // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. + // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. + glfwPollEvents(); + + // Start the Dear ImGui frame + ImGui_ImplOpenGL3_NewFrame(); + ImGui_ImplGlfw_NewFrame(); + ImGui::NewFrame(); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to created a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / ImGui::GetIO().Framerate, ImGui::GetIO().Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + ImGui::Render(); + int display_w, display_h; + glfwGetFramebufferSize(window, &display_w, &display_h); + glViewport(0, 0, display_w, display_h); + glClearColor(clear_color.x, clear_color.y, clear_color.z, clear_color.w); + glClear(GL_COLOR_BUFFER_BIT); + ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData()); + + glfwSwapBuffers(window); + } + + // Cleanup + ImGui_ImplOpenGL3_Shutdown(); + ImGui_ImplGlfw_Shutdown(); + ImGui::DestroyContext(); + + glfwDestroyWindow(window); + glfwTerminate(); + + return 0; +} diff --git a/imgui-submodule/imgui/examples/example_glfw_vulkan/CMakeLists.txt b/imgui-submodule/imgui/examples/example_glfw_vulkan/CMakeLists.txt new file mode 100644 index 0000000..68155ec --- /dev/null +++ b/imgui-submodule/imgui/examples/example_glfw_vulkan/CMakeLists.txt @@ -0,0 +1,41 @@ +# Example usage: +# mkdir build +# cd build +# cmake -g "Visual Studio 14 2015" .. + +cmake_minimum_required(VERSION 2.8) +project(imgui_example_glfw_vulkan C CXX) + +if(NOT CMAKE_BUILD_TYPE) + set(CMAKE_BUILD_TYPE Debug CACHE STRING "" FORCE) +endif() + +set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DVK_PROTOTYPES") +set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DVK_PROTOTYPES") + +# GLFW +set(GLFW_DIR ../../../glfw) # Set this to point to an up-to-date GLFW repo +option(GLFW_BUILD_EXAMPLES "Build the GLFW example programs" OFF) +option(GLFW_BUILD_TESTS "Build the GLFW test programs" OFF) +option(GLFW_BUILD_DOCS "Build the GLFW documentation" OFF) +option(GLFW_INSTALL "Generate installation target" OFF) +option(GLFW_DOCUMENT_INTERNALS "Include internals in documentation" OFF) +add_subdirectory(${GLFW_DIR} binary_dir EXCLUDE_FROM_ALL) +include_directories(${GLFW_DIR}/include) + +# Dear ImGui +set(IMGUI_DIR ../../) +include_directories(${IMGUI_DIR} ..) + +# Libraries +find_library(VULKAN_LIBRARY + NAMES vulkan vulkan-1) +set(LIBRARIES "glfw;${VULKAN_LIBRARY}") + +# Use vulkan headers from glfw: +include_directories(${GLFW_DIR}/deps) + +file(GLOB sources *.cpp) + +add_executable(example_glfw_vulkan ${sources} ${IMGUI_DIR}/examples/imgui_impl_glfw.cpp ${IMGUI_DIR}/examples/imgui_impl_vulkan.cpp ${IMGUI_DIR}/imgui.cpp ${IMGUI_DIR}/imgui_draw.cpp ${IMGUI_DIR}/imgui_demo.cpp ${IMGUI_DIR}/imgui_widgets.cpp) +target_link_libraries(example_glfw_vulkan ${LIBRARIES}) diff --git a/imgui-submodule/imgui/examples/example_glfw_vulkan/build_win32.bat b/imgui-submodule/imgui/examples/example_glfw_vulkan/build_win32.bat new file mode 100644 index 0000000..0d991b9 --- /dev/null +++ b/imgui-submodule/imgui/examples/example_glfw_vulkan/build_win32.bat @@ -0,0 +1,7 @@ +@REM Build for Visual Studio compiler. Run your copy of vcvars32.bat or vcvarsall.bat to setup command-line compiler. + +mkdir Debug +cl /nologo /Zi /MD /I .. /I ..\.. /I ..\libs\glfw\include /I %VULKAN_SDK%\include *.cpp ..\imgui_impl_vulkan.cpp ..\imgui_impl_glfw.cpp ..\..\imgui*.cpp /FeDebug/example_glfw_vulkan.exe /FoDebug/ /link /LIBPATH:..\libs\glfw\lib-vc2010-32 /libpath:%VULKAN_SDK%\lib32 glfw3.lib opengl32.lib gdi32.lib shell32.lib vulkan-1.lib + +mkdir Release +cl /nologo /Zi /MD /Ox /Oi /I .. /I ..\.. /I ..\libs\glfw\include /I %VULKAN_SDK%\include *.cpp ..\imgui_impl_vulkan.cpp ..\imgui_impl_glfw.cpp ..\..\imgui*.cpp /FeRelease/example_glfw_vulkan.exe /FoRelease/ /link /LIBPATH:..\libs\glfw\lib-vc2010-32 /libpath:%VULKAN_SDK%\lib32 glfw3.lib opengl32.lib gdi32.lib shell32.lib vulkan-1.lib diff --git a/imgui-submodule/imgui/examples/example_glfw_vulkan/build_win64.bat b/imgui-submodule/imgui/examples/example_glfw_vulkan/build_win64.bat new file mode 100644 index 0000000..ddedf59 --- /dev/null +++ b/imgui-submodule/imgui/examples/example_glfw_vulkan/build_win64.bat @@ -0,0 +1,7 @@ +@REM Build for Visual Studio compiler. Run your copy of amd64/vcvars32.bat to setup 64-bit command-line compiler. + +mkdir Debug +cl /nologo /Zi /MD /I .. /I ..\.. /I ..\libs\glfw\include /I %VULKAN_SDK%\include *.cpp ..\imgui_impl_vulkan.cpp ..\imgui_impl_glfw.cpp ..\..\imgui*.cpp /FeDebug/example_glfw_vulkan.exe /FoDebug/ /link /LIBPATH:..\libs\glfw\lib-vc2010-64 /libpath:%VULKAN_SDK%\lib glfw3.lib opengl32.lib gdi32.lib shell32.lib vulkan-1.lib + +mkdir Release +cl /nologo /Zi /MD /Ox /Oi /I .. /I ..\.. /I ..\libs\glfw\include /I %VULKAN_SDK%\include *.cpp ..\imgui_impl_vulkan.cpp ..\imgui_impl_glfw.cpp ..\..\imgui*.cpp /FeRelease/example_glfw_vulkan.exe /FoRelease/ /link /LIBPATH:..\libs\glfw\lib-vc2010-64 /libpath:%VULKAN_SDK%\lib glfw3.lib opengl32.lib gdi32.lib shell32.lib vulkan-1.lib diff --git a/imgui-submodule/imgui/examples/example_glfw_vulkan/gen_spv.sh b/imgui-submodule/imgui/examples/example_glfw_vulkan/gen_spv.sh new file mode 100755 index 0000000..e0d7f3b --- /dev/null +++ b/imgui-submodule/imgui/examples/example_glfw_vulkan/gen_spv.sh @@ -0,0 +1,3 @@ +#!/bin/bash +glslangValidator -V -x -o glsl_shader.frag.u32 glsl_shader.frag +glslangValidator -V -x -o glsl_shader.vert.u32 glsl_shader.vert diff --git a/imgui-submodule/imgui/examples/example_glfw_vulkan/glsl_shader.frag b/imgui-submodule/imgui/examples/example_glfw_vulkan/glsl_shader.frag new file mode 100644 index 0000000..ce7e6f7 --- /dev/null +++ b/imgui-submodule/imgui/examples/example_glfw_vulkan/glsl_shader.frag @@ -0,0 +1,14 @@ +#version 450 core +layout(location = 0) out vec4 fColor; + +layout(set=0, binding=0) uniform sampler2D sTexture; + +layout(location = 0) in struct { + vec4 Color; + vec2 UV; +} In; + +void main() +{ + fColor = In.Color * texture(sTexture, In.UV.st); +} diff --git a/imgui-submodule/imgui/examples/example_glfw_vulkan/glsl_shader.vert b/imgui-submodule/imgui/examples/example_glfw_vulkan/glsl_shader.vert new file mode 100644 index 0000000..9425365 --- /dev/null +++ b/imgui-submodule/imgui/examples/example_glfw_vulkan/glsl_shader.vert @@ -0,0 +1,25 @@ +#version 450 core +layout(location = 0) in vec2 aPos; +layout(location = 1) in vec2 aUV; +layout(location = 2) in vec4 aColor; + +layout(push_constant) uniform uPushConstant { + vec2 uScale; + vec2 uTranslate; +} pc; + +out gl_PerVertex { + vec4 gl_Position; +}; + +layout(location = 0) out struct { + vec4 Color; + vec2 UV; +} Out; + +void main() +{ + Out.Color = aColor; + Out.UV = aUV; + gl_Position = vec4(aPos * pc.uScale + pc.uTranslate, 0, 1); +} diff --git a/imgui-submodule/imgui/examples/example_glfw_vulkan/main.cpp b/imgui-submodule/imgui/examples/example_glfw_vulkan/main.cpp new file mode 100644 index 0000000..910d473 --- /dev/null +++ b/imgui-submodule/imgui/examples/example_glfw_vulkan/main.cpp @@ -0,0 +1,530 @@ +// dear imgui: standalone example application for Glfw + Vulkan +// If you are new to dear imgui, see examples/README.txt and documentation at the top of imgui.cpp. + +// Important note to the reader who wish to integrate imgui_impl_vulkan.cpp/.h in their own engine/app. +// - Common ImGui_ImplVulkan_XXX functions and structures are used to interface with imgui_impl_vulkan.cpp/.h. +// You will use those if you want to use this rendering back-end in your engine/app. +// - Helper ImGui_ImplVulkanH_XXX functions and structures are only used by this example (main.cpp) and by +// the back-end itself (imgui_impl_vulkan.cpp), but should PROBABLY NOT be used by your own engine/app code. +// Read comments in imgui_impl_vulkan.h. + +#include "imgui.h" +#include "imgui_impl_glfw.h" +#include "imgui_impl_vulkan.h" +#include // printf, fprintf +#include // abort +#define GLFW_INCLUDE_NONE +#define GLFW_INCLUDE_VULKAN +#include +#include + +// [Win32] Our example includes a copy of glfw3.lib pre-compiled with VS2010 to maximize ease of testing and compatibility with old VS compilers. +// To link with VS2010-era libraries, VS2015+ requires linking with legacy_stdio_definitions.lib, which we do using this pragma. +// Your own project should not be affected, as you are likely to link with a newer binary of GLFW that is adequate for your version of Visual Studio. +#if defined(_MSC_VER) && (_MSC_VER >= 1900) && !defined(IMGUI_DISABLE_WIN32_FUNCTIONS) +#pragma comment(lib, "legacy_stdio_definitions") +#endif + +//#define IMGUI_UNLIMITED_FRAME_RATE +#ifdef _DEBUG +#define IMGUI_VULKAN_DEBUG_REPORT +#endif + +static VkAllocationCallbacks* g_Allocator = NULL; +static VkInstance g_Instance = VK_NULL_HANDLE; +static VkPhysicalDevice g_PhysicalDevice = VK_NULL_HANDLE; +static VkDevice g_Device = VK_NULL_HANDLE; +static uint32_t g_QueueFamily = (uint32_t)-1; +static VkQueue g_Queue = VK_NULL_HANDLE; +static VkDebugReportCallbackEXT g_DebugReport = VK_NULL_HANDLE; +static VkPipelineCache g_PipelineCache = VK_NULL_HANDLE; +static VkDescriptorPool g_DescriptorPool = VK_NULL_HANDLE; + +static ImGui_ImplVulkanH_Window g_MainWindowData; +static int g_MinImageCount = 2; +static bool g_SwapChainRebuild = false; +static int g_SwapChainResizeWidth = 0; +static int g_SwapChainResizeHeight = 0; + +static void check_vk_result(VkResult err) +{ + if (err == 0) return; + printf("VkResult %d\n", err); + if (err < 0) + abort(); +} + +#ifdef IMGUI_VULKAN_DEBUG_REPORT +static VKAPI_ATTR VkBool32 VKAPI_CALL debug_report(VkDebugReportFlagsEXT flags, VkDebugReportObjectTypeEXT objectType, uint64_t object, size_t location, int32_t messageCode, const char* pLayerPrefix, const char* pMessage, void* pUserData) +{ + (void)flags; (void)object; (void)location; (void)messageCode; (void)pUserData; (void)pLayerPrefix; // Unused arguments + fprintf(stderr, "[vulkan] ObjectType: %i\nMessage: %s\n\n", objectType, pMessage); + return VK_FALSE; +} +#endif // IMGUI_VULKAN_DEBUG_REPORT + +static void SetupVulkan(const char** extensions, uint32_t extensions_count) +{ + VkResult err; + + // Create Vulkan Instance + { + VkInstanceCreateInfo create_info = {}; + create_info.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO; + create_info.enabledExtensionCount = extensions_count; + create_info.ppEnabledExtensionNames = extensions; + +#ifdef IMGUI_VULKAN_DEBUG_REPORT + // Enabling multiple validation layers grouped as LunarG standard validation + const char* layers[] = { "VK_LAYER_LUNARG_standard_validation" }; + create_info.enabledLayerCount = 1; + create_info.ppEnabledLayerNames = layers; + + // Enable debug report extension (we need additional storage, so we duplicate the user array to add our new extension to it) + const char** extensions_ext = (const char**)malloc(sizeof(const char*) * (extensions_count + 1)); + memcpy(extensions_ext, extensions, extensions_count * sizeof(const char*)); + extensions_ext[extensions_count] = "VK_EXT_debug_report"; + create_info.enabledExtensionCount = extensions_count + 1; + create_info.ppEnabledExtensionNames = extensions_ext; + + // Create Vulkan Instance + err = vkCreateInstance(&create_info, g_Allocator, &g_Instance); + check_vk_result(err); + free(extensions_ext); + + // Get the function pointer (required for any extensions) + auto vkCreateDebugReportCallbackEXT = (PFN_vkCreateDebugReportCallbackEXT)vkGetInstanceProcAddr(g_Instance, "vkCreateDebugReportCallbackEXT"); + IM_ASSERT(vkCreateDebugReportCallbackEXT != NULL); + + // Setup the debug report callback + VkDebugReportCallbackCreateInfoEXT debug_report_ci = {}; + debug_report_ci.sType = VK_STRUCTURE_TYPE_DEBUG_REPORT_CALLBACK_CREATE_INFO_EXT; + debug_report_ci.flags = VK_DEBUG_REPORT_ERROR_BIT_EXT | VK_DEBUG_REPORT_WARNING_BIT_EXT | VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT; + debug_report_ci.pfnCallback = debug_report; + debug_report_ci.pUserData = NULL; + err = vkCreateDebugReportCallbackEXT(g_Instance, &debug_report_ci, g_Allocator, &g_DebugReport); + check_vk_result(err); +#else + // Create Vulkan Instance without any debug feature + err = vkCreateInstance(&create_info, g_Allocator, &g_Instance); + check_vk_result(err); + IM_UNUSED(g_DebugReport); +#endif + } + + // Select GPU + { + uint32_t gpu_count; + err = vkEnumeratePhysicalDevices(g_Instance, &gpu_count, NULL); + check_vk_result(err); + IM_ASSERT(gpu_count > 0); + + VkPhysicalDevice* gpus = (VkPhysicalDevice*)malloc(sizeof(VkPhysicalDevice) * gpu_count); + err = vkEnumeratePhysicalDevices(g_Instance, &gpu_count, gpus); + check_vk_result(err); + + // If a number >1 of GPUs got reported, you should find the best fit GPU for your purpose + // e.g. VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU if available, or with the greatest memory available, etc. + // for sake of simplicity we'll just take the first one, assuming it has a graphics queue family. + g_PhysicalDevice = gpus[0]; + free(gpus); + } + + // Select graphics queue family + { + uint32_t count; + vkGetPhysicalDeviceQueueFamilyProperties(g_PhysicalDevice, &count, NULL); + VkQueueFamilyProperties* queues = (VkQueueFamilyProperties*)malloc(sizeof(VkQueueFamilyProperties) * count); + vkGetPhysicalDeviceQueueFamilyProperties(g_PhysicalDevice, &count, queues); + for (uint32_t i = 0; i < count; i++) + if (queues[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) + { + g_QueueFamily = i; + break; + } + free(queues); + IM_ASSERT(g_QueueFamily != (uint32_t)-1); + } + + // Create Logical Device (with 1 queue) + { + int device_extension_count = 1; + const char* device_extensions[] = { "VK_KHR_swapchain" }; + const float queue_priority[] = { 1.0f }; + VkDeviceQueueCreateInfo queue_info[1] = {}; + queue_info[0].sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO; + queue_info[0].queueFamilyIndex = g_QueueFamily; + queue_info[0].queueCount = 1; + queue_info[0].pQueuePriorities = queue_priority; + VkDeviceCreateInfo create_info = {}; + create_info.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO; + create_info.queueCreateInfoCount = sizeof(queue_info) / sizeof(queue_info[0]); + create_info.pQueueCreateInfos = queue_info; + create_info.enabledExtensionCount = device_extension_count; + create_info.ppEnabledExtensionNames = device_extensions; + err = vkCreateDevice(g_PhysicalDevice, &create_info, g_Allocator, &g_Device); + check_vk_result(err); + vkGetDeviceQueue(g_Device, g_QueueFamily, 0, &g_Queue); + } + + // Create Descriptor Pool + { + VkDescriptorPoolSize pool_sizes[] = + { + { VK_DESCRIPTOR_TYPE_SAMPLER, 1000 }, + { VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1000 }, + { VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE, 1000 }, + { VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, 1000 }, + { VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER, 1000 }, + { VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER, 1000 }, + { VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1000 }, + { VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, 1000 }, + { VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC, 1000 }, + { VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC, 1000 }, + { VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT, 1000 } + }; + VkDescriptorPoolCreateInfo pool_info = {}; + pool_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO; + pool_info.flags = VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT; + pool_info.maxSets = 1000 * IM_ARRAYSIZE(pool_sizes); + pool_info.poolSizeCount = (uint32_t)IM_ARRAYSIZE(pool_sizes); + pool_info.pPoolSizes = pool_sizes; + err = vkCreateDescriptorPool(g_Device, &pool_info, g_Allocator, &g_DescriptorPool); + check_vk_result(err); + } +} + +// All the ImGui_ImplVulkanH_XXX structures/functions are optional helpers used by the demo. +// Your real engine/app may not use them. +static void SetupVulkanWindow(ImGui_ImplVulkanH_Window* wd, VkSurfaceKHR surface, int width, int height) +{ + wd->Surface = surface; + + // Check for WSI support + VkBool32 res; + vkGetPhysicalDeviceSurfaceSupportKHR(g_PhysicalDevice, g_QueueFamily, wd->Surface, &res); + if (res != VK_TRUE) + { + fprintf(stderr, "Error no WSI support on physical device 0\n"); + exit(-1); + } + + // Select Surface Format + const VkFormat requestSurfaceImageFormat[] = { VK_FORMAT_B8G8R8A8_UNORM, VK_FORMAT_R8G8B8A8_UNORM, VK_FORMAT_B8G8R8_UNORM, VK_FORMAT_R8G8B8_UNORM }; + const VkColorSpaceKHR requestSurfaceColorSpace = VK_COLORSPACE_SRGB_NONLINEAR_KHR; + wd->SurfaceFormat = ImGui_ImplVulkanH_SelectSurfaceFormat(g_PhysicalDevice, wd->Surface, requestSurfaceImageFormat, (size_t)IM_ARRAYSIZE(requestSurfaceImageFormat), requestSurfaceColorSpace); + + // Select Present Mode +#ifdef IMGUI_UNLIMITED_FRAME_RATE + VkPresentModeKHR present_modes[] = { VK_PRESENT_MODE_MAILBOX_KHR, VK_PRESENT_MODE_IMMEDIATE_KHR, VK_PRESENT_MODE_FIFO_KHR }; +#else + VkPresentModeKHR present_modes[] = { VK_PRESENT_MODE_FIFO_KHR }; +#endif + wd->PresentMode = ImGui_ImplVulkanH_SelectPresentMode(g_PhysicalDevice, wd->Surface, &present_modes[0], IM_ARRAYSIZE(present_modes)); + //printf("[vulkan] Selected PresentMode = %d\n", wd->PresentMode); + + // Create SwapChain, RenderPass, Framebuffer, etc. + IM_ASSERT(g_MinImageCount >= 2); + ImGui_ImplVulkanH_CreateWindow(g_Instance, g_PhysicalDevice, g_Device, wd, g_QueueFamily, g_Allocator, width, height, g_MinImageCount); +} + +static void CleanupVulkan() +{ + vkDestroyDescriptorPool(g_Device, g_DescriptorPool, g_Allocator); + +#ifdef IMGUI_VULKAN_DEBUG_REPORT + // Remove the debug report callback + auto vkDestroyDebugReportCallbackEXT = (PFN_vkDestroyDebugReportCallbackEXT)vkGetInstanceProcAddr(g_Instance, "vkDestroyDebugReportCallbackEXT"); + vkDestroyDebugReportCallbackEXT(g_Instance, g_DebugReport, g_Allocator); +#endif // IMGUI_VULKAN_DEBUG_REPORT + + vkDestroyDevice(g_Device, g_Allocator); + vkDestroyInstance(g_Instance, g_Allocator); +} + +static void CleanupVulkanWindow() +{ + ImGui_ImplVulkanH_DestroyWindow(g_Instance, g_Device, &g_MainWindowData, g_Allocator); +} + +static void FrameRender(ImGui_ImplVulkanH_Window* wd) +{ + VkResult err; + + VkSemaphore image_acquired_semaphore = wd->FrameSemaphores[wd->SemaphoreIndex].ImageAcquiredSemaphore; + VkSemaphore render_complete_semaphore = wd->FrameSemaphores[wd->SemaphoreIndex].RenderCompleteSemaphore; + err = vkAcquireNextImageKHR(g_Device, wd->Swapchain, UINT64_MAX, image_acquired_semaphore, VK_NULL_HANDLE, &wd->FrameIndex); + check_vk_result(err); + + ImGui_ImplVulkanH_Frame* fd = &wd->Frames[wd->FrameIndex]; + { + err = vkWaitForFences(g_Device, 1, &fd->Fence, VK_TRUE, UINT64_MAX); // wait indefinitely instead of periodically checking + check_vk_result(err); + + err = vkResetFences(g_Device, 1, &fd->Fence); + check_vk_result(err); + } + { + err = vkResetCommandPool(g_Device, fd->CommandPool, 0); + check_vk_result(err); + VkCommandBufferBeginInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO; + info.flags |= VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT; + err = vkBeginCommandBuffer(fd->CommandBuffer, &info); + check_vk_result(err); + } + { + VkRenderPassBeginInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO; + info.renderPass = wd->RenderPass; + info.framebuffer = fd->Framebuffer; + info.renderArea.extent.width = wd->Width; + info.renderArea.extent.height = wd->Height; + info.clearValueCount = 1; + info.pClearValues = &wd->ClearValue; + vkCmdBeginRenderPass(fd->CommandBuffer, &info, VK_SUBPASS_CONTENTS_INLINE); + } + + // Record Imgui Draw Data and draw funcs into command buffer + ImGui_ImplVulkan_RenderDrawData(ImGui::GetDrawData(), fd->CommandBuffer); + + // Submit command buffer + vkCmdEndRenderPass(fd->CommandBuffer); + { + VkPipelineStageFlags wait_stage = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT; + VkSubmitInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO; + info.waitSemaphoreCount = 1; + info.pWaitSemaphores = &image_acquired_semaphore; + info.pWaitDstStageMask = &wait_stage; + info.commandBufferCount = 1; + info.pCommandBuffers = &fd->CommandBuffer; + info.signalSemaphoreCount = 1; + info.pSignalSemaphores = &render_complete_semaphore; + + err = vkEndCommandBuffer(fd->CommandBuffer); + check_vk_result(err); + err = vkQueueSubmit(g_Queue, 1, &info, fd->Fence); + check_vk_result(err); + } +} + +static void FramePresent(ImGui_ImplVulkanH_Window* wd) +{ + VkSemaphore render_complete_semaphore = wd->FrameSemaphores[wd->SemaphoreIndex].RenderCompleteSemaphore; + VkPresentInfoKHR info = {}; + info.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR; + info.waitSemaphoreCount = 1; + info.pWaitSemaphores = &render_complete_semaphore; + info.swapchainCount = 1; + info.pSwapchains = &wd->Swapchain; + info.pImageIndices = &wd->FrameIndex; + VkResult err = vkQueuePresentKHR(g_Queue, &info); + check_vk_result(err); + wd->SemaphoreIndex = (wd->SemaphoreIndex + 1) % wd->ImageCount; // Now we can use the next set of semaphores +} + +static void glfw_error_callback(int error, const char* description) +{ + fprintf(stderr, "Glfw Error %d: %s\n", error, description); +} + +static void glfw_resize_callback(GLFWwindow*, int w, int h) +{ + g_SwapChainRebuild = true; + g_SwapChainResizeWidth = w; + g_SwapChainResizeHeight = h; +} + +int main(int, char**) +{ + // Setup GLFW window + glfwSetErrorCallback(glfw_error_callback); + if (!glfwInit()) + return 1; + + glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API); + GLFWwindow* window = glfwCreateWindow(1280, 720, "Dear ImGui GLFW+Vulkan example", NULL, NULL); + + // Setup Vulkan + if (!glfwVulkanSupported()) + { + printf("GLFW: Vulkan Not Supported\n"); + return 1; + } + uint32_t extensions_count = 0; + const char** extensions = glfwGetRequiredInstanceExtensions(&extensions_count); + SetupVulkan(extensions, extensions_count); + + // Create Window Surface + VkSurfaceKHR surface; + VkResult err = glfwCreateWindowSurface(g_Instance, window, g_Allocator, &surface); + check_vk_result(err); + + // Create Framebuffers + int w, h; + glfwGetFramebufferSize(window, &w, &h); + glfwSetFramebufferSizeCallback(window, glfw_resize_callback); + ImGui_ImplVulkanH_Window* wd = &g_MainWindowData; + SetupVulkanWindow(wd, surface, w, h); + + // Setup Dear ImGui context + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + //io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + //io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls + + // Setup Dear ImGui style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsClassic(); + + // Setup Platform/Renderer bindings + ImGui_ImplGlfw_InitForVulkan(window, true); + ImGui_ImplVulkan_InitInfo init_info = {}; + init_info.Instance = g_Instance; + init_info.PhysicalDevice = g_PhysicalDevice; + init_info.Device = g_Device; + init_info.QueueFamily = g_QueueFamily; + init_info.Queue = g_Queue; + init_info.PipelineCache = g_PipelineCache; + init_info.DescriptorPool = g_DescriptorPool; + init_info.Allocator = g_Allocator; + init_info.MinImageCount = g_MinImageCount; + init_info.ImageCount = wd->ImageCount; + init_info.CheckVkResultFn = check_vk_result; + ImGui_ImplVulkan_Init(&init_info, wd->RenderPass); + + // Load Fonts + // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. + // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. + // - If the file cannot be loaded, the function will return NULL. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. + // - Read 'docs/FONTS.txt' for more instructions and details. + // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! + //io.Fonts->AddFontDefault(); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/ProggyTiny.ttf", 10.0f); + //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, NULL, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != NULL); + + // Upload Fonts + { + // Use any command queue + VkCommandPool command_pool = wd->Frames[wd->FrameIndex].CommandPool; + VkCommandBuffer command_buffer = wd->Frames[wd->FrameIndex].CommandBuffer; + + err = vkResetCommandPool(g_Device, command_pool, 0); + check_vk_result(err); + VkCommandBufferBeginInfo begin_info = {}; + begin_info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO; + begin_info.flags |= VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT; + err = vkBeginCommandBuffer(command_buffer, &begin_info); + check_vk_result(err); + + ImGui_ImplVulkan_CreateFontsTexture(command_buffer); + + VkSubmitInfo end_info = {}; + end_info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO; + end_info.commandBufferCount = 1; + end_info.pCommandBuffers = &command_buffer; + err = vkEndCommandBuffer(command_buffer); + check_vk_result(err); + err = vkQueueSubmit(g_Queue, 1, &end_info, VK_NULL_HANDLE); + check_vk_result(err); + + err = vkDeviceWaitIdle(g_Device); + check_vk_result(err); + ImGui_ImplVulkan_DestroyFontUploadObjects(); + } + + // Our state + bool show_demo_window = true; + bool show_another_window = false; + ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f); + + // Main loop + while (!glfwWindowShouldClose(window)) + { + // Poll and handle events (inputs, window resize, etc.) + // You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. + // - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application. + // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. + // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. + glfwPollEvents(); + + if (g_SwapChainRebuild) + { + g_SwapChainRebuild = false; + ImGui_ImplVulkan_SetMinImageCount(g_MinImageCount); + ImGui_ImplVulkanH_CreateWindow(g_Instance, g_PhysicalDevice, g_Device, &g_MainWindowData, g_QueueFamily, g_Allocator, g_SwapChainResizeWidth, g_SwapChainResizeHeight, g_MinImageCount); + g_MainWindowData.FrameIndex = 0; + } + + // Start the Dear ImGui frame + ImGui_ImplVulkan_NewFrame(); + ImGui_ImplGlfw_NewFrame(); + ImGui::NewFrame(); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to created a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / ImGui::GetIO().Framerate, ImGui::GetIO().Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + ImGui::Render(); + memcpy(&wd->ClearValue.color.float32[0], &clear_color, 4 * sizeof(float)); + FrameRender(wd); + + FramePresent(wd); + } + + // Cleanup + err = vkDeviceWaitIdle(g_Device); + check_vk_result(err); + ImGui_ImplVulkan_Shutdown(); + ImGui_ImplGlfw_Shutdown(); + ImGui::DestroyContext(); + + CleanupVulkanWindow(); + CleanupVulkan(); + + glfwDestroyWindow(window); + glfwTerminate(); + + return 0; +} diff --git a/imgui-submodule/imgui/examples/example_glut_opengl2/main.cpp b/imgui-submodule/imgui/examples/example_glut_opengl2/main.cpp new file mode 100644 index 0000000..d36c1f8 --- /dev/null +++ b/imgui-submodule/imgui/examples/example_glut_opengl2/main.cpp @@ -0,0 +1,146 @@ +// dear imgui: standalone example application for GLUT/FreeGLUT + OpenGL2, using legacy fixed pipeline +// If you are new to dear imgui, see examples/README.txt and documentation at the top of imgui.cpp. + +// !!! GLUT/FreeGLUT IS OBSOLETE SOFTWARE. Using GLUT is not recommended unless you really miss the 90's. !!! +// !!! If someone or something is teaching you GLUT in 2020, you are being abused. Please show some resistance. !!! +// !!! Nowadays, prefer using GLFW or SDL instead! + +#include "imgui.h" +#include "imgui_impl_glut.h" +#include "imgui_impl_opengl2.h" +#ifdef __APPLE__ + #include +#else + #include +#endif + +#ifdef _MSC_VER +#pragma warning (disable: 4505) // unreferenced local function has been removed +#endif + +// Our state +static bool show_demo_window = true; +static bool show_another_window = false; +static ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f); + +void my_display_code() +{ + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to created a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / ImGui::GetIO().Framerate, ImGui::GetIO().Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } +} + +void glut_display_func() +{ + // Start the Dear ImGui frame + ImGui_ImplOpenGL2_NewFrame(); + ImGui_ImplGLUT_NewFrame(); + + my_display_code(); + + // Rendering + ImGui::Render(); + ImGuiIO& io = ImGui::GetIO(); + glViewport(0, 0, (GLsizei)io.DisplaySize.x, (GLsizei)io.DisplaySize.y); + glClearColor(clear_color.x, clear_color.y, clear_color.z, clear_color.w); + glClear(GL_COLOR_BUFFER_BIT); + //glUseProgram(0); // You may want this if using this code in an OpenGL 3+ context where shaders may be bound, but prefer using the GL3+ code. + ImGui_ImplOpenGL2_RenderDrawData(ImGui::GetDrawData()); + + glutSwapBuffers(); + glutPostRedisplay(); +} + +// You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. +// - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application. +// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. +// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. + +int main(int argc, char** argv) +{ + // Create GLUT window + glutInit(&argc, argv); +#ifdef __FREEGLUT_EXT_H__ + glutSetOption(GLUT_ACTION_ON_WINDOW_CLOSE, GLUT_ACTION_GLUTMAINLOOP_RETURNS); +#endif + glutInitDisplayMode(GLUT_RGBA | GLUT_DOUBLE | GLUT_MULTISAMPLE); + glutInitWindowSize(1280, 720); + glutCreateWindow("Dear ImGui GLUT+OpenGL2 Example"); + + // Setup GLUT display function + // We will also call ImGui_ImplGLUT_InstallFuncs() to get all the other functions installed for us, + // otherwise it is possible to install our own functions and call the imgui_impl_glut.h functions ourselves. + glutDisplayFunc(glut_display_func); + + // Setup Dear ImGui context + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + //io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + + // Setup Dear ImGui style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsClassic(); + + // Setup Platform/Renderer bindings + ImGui_ImplGLUT_Init(); + ImGui_ImplGLUT_InstallFuncs(); + ImGui_ImplOpenGL2_Init(); + + // Load Fonts + // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. + // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. + // - If the file cannot be loaded, the function will return NULL. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. + // - Read 'docs/FONTS.txt' for more instructions and details. + // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! + //io.Fonts->AddFontDefault(); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/ProggyTiny.ttf", 10.0f); + //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, NULL, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != NULL); + + glutMainLoop(); + + // Cleanup + ImGui_ImplOpenGL2_Shutdown(); + ImGui_ImplGLUT_Shutdown(); + ImGui::DestroyContext(); + + return 0; +} diff --git a/imgui-submodule/imgui/examples/example_marmalade/data/app.icf b/imgui-submodule/imgui/examples/example_marmalade/data/app.icf new file mode 100644 index 0000000..fcd6585 --- /dev/null +++ b/imgui-submodule/imgui/examples/example_marmalade/data/app.icf @@ -0,0 +1,32 @@ +# This file is for configuration settings for your +# application. +# +# The syntax is similar to windows .ini files ie +# +# [GroupName] +# Setting = Value +# +# Which can be read by your application using +# e.g s3eConfigGetString("GroupName", "Setting", string) +# +# All settings must be documented in .config.txt files. +# New settings specific to this application should be +# documented in app.config.txt +# +# Some conditional operations are also permitted, see the +# S3E documentation for details. + +[S3E] +MemSize=6000000 +MemSizeDebug=6000000 +DispFixRot=FixedLandscape + +# emulate iphone 5 resolution, change these settings to emulate other display resolution +WinWidth=1136 +WinHeight=640 + +[GX] +DataCacheSize=131070 + +[Util] +#MemoryBreakpoint=1282 diff --git a/imgui-submodule/imgui/examples/example_marmalade/main.cpp b/imgui-submodule/imgui/examples/example_marmalade/main.cpp new file mode 100644 index 0000000..82435f2 --- /dev/null +++ b/imgui-submodule/imgui/examples/example_marmalade/main.cpp @@ -0,0 +1,123 @@ +// dear imgui: standalone example application for Marmalade +// If you are new to dear imgui, see examples/README.txt and documentation at the top of imgui.cpp. + +// Copyright (C) 2015 by Giovanni Zito +// This file is part of Dear ImGui + +#include "imgui.h" +#include "imgui_impl_marmalade.h" +#include + +#include +#include +#include + +int main(int, char**) +{ + IwGxInit(); + + // Setup Dear ImGui context + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + //io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + + // Setup Dear ImGui style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsClassic(); + + // Setup Platform/Renderer bindings + ImGui_Marmalade_Init(true); + + // Load Fonts + // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. + // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. + // - If the file cannot be loaded, the function will return NULL. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. + // - Read 'docs/FONTS.txt' for more instructions and details. + // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! + //io.Fonts->AddFontDefault(); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/ProggyTiny.ttf", 10.0f); + //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, NULL, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != NULL); + + // Our state + bool show_demo_window = true; + bool show_another_window = false; + ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f); + + // Main loop + while (true) + { + if (s3eDeviceCheckQuitRequest()) + break; + + // Poll and handle inputs + // You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. + // - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application. + // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. + // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. + s3eKeyboardUpdate(); + s3ePointerUpdate(); + + // Start the Dear ImGui frame + ImGui_Marmalade_NewFrame(); + ImGui::NewFrame(); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to created a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / ImGui::GetIO().Framerate, ImGui::GetIO().Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + ImGui::Render(); + IwGxSetColClear(clear_color.x * 255, clear_color.y * 255, clear_color.z * 255, clear_color.w * 255); + IwGxClear(); + ImGui_Marmalade_RenderDrawData(ImGui::GetDrawData()); + IwGxSwapBuffers(); + + s3eDeviceYield(0); + } + + // Cleanup + ImGui_Marmalade_Shutdown(); + ImGui::DestroyContext(); + IwGxTerminate(); + + return 0; +} diff --git a/imgui-submodule/imgui/examples/example_marmalade/marmalade_example.mkb b/imgui-submodule/imgui/examples/example_marmalade/marmalade_example.mkb new file mode 100644 index 0000000..34315b9 --- /dev/null +++ b/imgui-submodule/imgui/examples/example_marmalade/marmalade_example.mkb @@ -0,0 +1,46 @@ +#!/usr/bin/env mkb + +# ImGui - standalone example application for Marmalade +# Copyright (C) 2015 by Giovanni Zito +# This file is part of ImGui +# https://github.com/ocornut/imgui + +define IMGUI_DISABLE_INCLUDE_IMCONFIG_H +define IMGUI_DISABLE_WIN32_DEFAULT_CLIPBOARD_FUNCS +define IMGUI_DISABLE_WIN32_DEFAULT_IME_FUNCS +define _snprintf=snprintf + +options +{ + optimise-speed=1 +} + +includepaths +{ + .. + ../.. +} + +subprojects +{ + iwgx +} + +files +{ + (.) + ["imgui"] + ../../imgui.cpp + ../../imgui_demo.cpp + ../../imgui_draw.cpp + ../../imgui_widgets.cpp + ../../imconfig.h + ../../imgui.h + ../../imgui_internal.h + + ["imgui","Marmalade binding"] + ../imgui_impl_marmalade.h + ../imgui_impl_marmalade.cpp + main.cpp + +} diff --git a/imgui-submodule/imgui/examples/example_null/build_win32.bat b/imgui-submodule/imgui/examples/example_null/build_win32.bat new file mode 100644 index 0000000..38e7914 --- /dev/null +++ b/imgui-submodule/imgui/examples/example_null/build_win32.bat @@ -0,0 +1,3 @@ +@REM Build for Visual Studio compiler. Run your copy of vcvars32.bat or vcvarsall.bat to setup command-line compiler. +mkdir Debug +cl /nologo /Zi /MD /I ..\.. %* *.cpp ..\..\*.cpp /FeDebug/example_null.exe /FoDebug/ /link gdi32.lib shell32.lib diff --git a/imgui-submodule/imgui/examples/example_null/main.cpp b/imgui-submodule/imgui/examples/example_null/main.cpp new file mode 100644 index 0000000..aa2f6db --- /dev/null +++ b/imgui-submodule/imgui/examples/example_null/main.cpp @@ -0,0 +1,37 @@ +// dear imgui: null/dummy example application +// (compile and link imgui, create context, run headless with NO INPUTS, NO GRAPHICS OUTPUT) +// This is useful to test building, but you cannot interact with anything here! +#include "imgui.h" +#include + +int main(int, char**) +{ + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); + + // Build atlas + unsigned char* tex_pixels = NULL; + int tex_w, tex_h; + io.Fonts->GetTexDataAsRGBA32(&tex_pixels, &tex_w, &tex_h); + + for (int n = 0; n < 20; n++) + { + printf("NewFrame() %d\n", n); + io.DisplaySize = ImVec2(1920, 1080); + io.DeltaTime = 1.0f / 60.0f; + ImGui::NewFrame(); + + static float f = 0.0f; + ImGui::Text("Hello, world!"); + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / io.Framerate, io.Framerate); + ImGui::ShowDemoWindow(NULL); + + ImGui::Render(); + } + + printf("DestroyContext()\n"); + ImGui::DestroyContext(); + return 0; +} diff --git a/imgui-submodule/imgui/examples/example_sdl_directx11/build_win32.bat b/imgui-submodule/imgui/examples/example_sdl_directx11/build_win32.bat new file mode 100644 index 0000000..8fc702b --- /dev/null +++ b/imgui-submodule/imgui/examples/example_sdl_directx11/build_win32.bat @@ -0,0 +1,8 @@ +@REM Build for Visual Studio compiler. Run your copy of vcvars32.bat or vcvarsall.bat to setup command-line compiler. +set OUT_DIR=Debug +set OUT_EXE=example_sdl_directx11 +set INCLUDES=/I.. /I..\.. /I%SDL2_DIR%\include /I "%WindowsSdkDir%Include\um" /I "%WindowsSdkDir%Include\shared" /I "%DXSDK_DIR%Include" +set SOURCES=main.cpp ..\imgui_impl_sdl.cpp ..\imgui_impl_dx11.cpp ..\..\imgui*.cpp +set LIBS=/libpath:%SDL2_DIR%\lib\x86 SDL2.lib SDL2main.lib /LIBPATH:"%DXSDK_DIR%/Lib/x86" d3d11.lib d3dcompiler.lib +mkdir %OUT_DIR% +cl /nologo /Zi /MD %INCLUDES% %SOURCES% /Fe%OUT_DIR%/%OUT_EXE%.exe /Fo%OUT_DIR%/ /link %LIBS% /subsystem:console diff --git a/imgui-submodule/imgui/examples/example_sdl_directx11/main.cpp b/imgui-submodule/imgui/examples/example_sdl_directx11/main.cpp new file mode 100644 index 0000000..eadf8ff --- /dev/null +++ b/imgui-submodule/imgui/examples/example_sdl_directx11/main.cpp @@ -0,0 +1,228 @@ +// dear imgui: standalone example application for SDL2 + DirectX 11 +// If you are new to dear imgui, see examples/README.txt and documentation at the top of imgui.cpp. +// (SDL is a cross-platform general purpose library for handling windows, inputs, OpenGL/Vulkan/Metal graphics context creation, etc.) + +#include "imgui.h" +#include "imgui_impl_sdl.h" +#include "imgui_impl_dx11.h" +#include +#include +#include +#include + +// Data +static ID3D11Device* g_pd3dDevice = NULL; +static ID3D11DeviceContext* g_pd3dDeviceContext = NULL; +static IDXGISwapChain* g_pSwapChain = NULL; +static ID3D11RenderTargetView* g_mainRenderTargetView = NULL; + +// Forward declarations of helper functions +bool CreateDeviceD3D(HWND hWnd); +void CleanupDeviceD3D(); +void CreateRenderTarget(); +void CleanupRenderTarget(); + +// Main code +int main(int, char**) +{ + // Setup SDL + // (Some versions of SDL before <2.0.10 appears to have performance/stalling issues on a minority of Windows systems, + // depending on whether SDL_INIT_GAMECONTROLLER is enabled or disabled.. updating to latest version of SDL is recommended!) + if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER | SDL_INIT_GAMECONTROLLER) != 0) + { + printf("Error: %s\n", SDL_GetError()); + return -1; + } + + // Setup window + SDL_WindowFlags window_flags = (SDL_WindowFlags)(SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI); + SDL_Window* window = SDL_CreateWindow("Dear ImGui SDL2+DirectX11 example", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 1280, 720, window_flags); + SDL_SysWMinfo wmInfo; + SDL_VERSION(&wmInfo.version); + SDL_GetWindowWMInfo(window, &wmInfo); + HWND hwnd = (HWND)wmInfo.info.win.window; + + // Initialize Direct3D + if (!CreateDeviceD3D(hwnd)) + { + CleanupDeviceD3D(); + return 1; + } + + // Setup Dear ImGui context + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + //io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + //io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls + + // Setup Dear ImGui style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsClassic(); + + // Setup Platform/Renderer bindings + ImGui_ImplSDL2_InitForD3D(window); + ImGui_ImplDX11_Init(g_pd3dDevice, g_pd3dDeviceContext); + + // Load Fonts + // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. + // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. + // - If the file cannot be loaded, the function will return NULL. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. + // - Read 'docs/FONTS.txt' for more instructions and details. + // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! + //io.Fonts->AddFontDefault(); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/ProggyTiny.ttf", 10.0f); + //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, NULL, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != NULL); + + // Our state + bool show_demo_window = true; + bool show_another_window = false; + ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f); + + // Main loop + bool done = false; + while (!done) + { + // Poll and handle events (inputs, window resize, etc.) + // You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. + // - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application. + // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. + // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. + SDL_Event event; + while (SDL_PollEvent(&event)) + { + ImGui_ImplSDL2_ProcessEvent(&event); + if (event.type == SDL_QUIT) + done = true; + if (event.type == SDL_WINDOWEVENT && event.window.event == SDL_WINDOWEVENT_CLOSE && event.window.windowID == SDL_GetWindowID(window)) + done = true; + if (event.type == SDL_WINDOWEVENT && event.window.event == SDL_WINDOWEVENT_RESIZED && event.window.windowID == SDL_GetWindowID(window)) + { + // Release all outstanding references to the swap chain's buffers before resizing. + CleanupRenderTarget(); + g_pSwapChain->ResizeBuffers(0, 0, 0, DXGI_FORMAT_UNKNOWN, 0); + CreateRenderTarget(); + } + } + + // Start the Dear ImGui frame + ImGui_ImplDX11_NewFrame(); + ImGui_ImplSDL2_NewFrame(window); + ImGui::NewFrame(); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to created a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / ImGui::GetIO().Framerate, ImGui::GetIO().Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + ImGui::Render(); + g_pd3dDeviceContext->OMSetRenderTargets(1, &g_mainRenderTargetView, NULL); + g_pd3dDeviceContext->ClearRenderTargetView(g_mainRenderTargetView, (float*)&clear_color); + ImGui_ImplDX11_RenderDrawData(ImGui::GetDrawData()); + + g_pSwapChain->Present(1, 0); // Present with vsync + //g_pSwapChain->Present(0, 0); // Present without vsync + } + + // Cleanup + ImGui_ImplDX11_Shutdown(); + ImGui_ImplSDL2_Shutdown(); + ImGui::DestroyContext(); + + CleanupDeviceD3D(); + SDL_DestroyWindow(window); + SDL_Quit(); + + return 0; +} + +// Helper functions + +bool CreateDeviceD3D(HWND hWnd) +{ + // Setup swap chain + DXGI_SWAP_CHAIN_DESC sd; + ZeroMemory(&sd, sizeof(sd)); + sd.BufferCount = 2; + sd.BufferDesc.Width = 0; + sd.BufferDesc.Height = 0; + sd.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM; + sd.BufferDesc.RefreshRate.Numerator = 60; + sd.BufferDesc.RefreshRate.Denominator = 1; + sd.Flags = DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH; + sd.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT; + sd.OutputWindow = hWnd; + sd.SampleDesc.Count = 1; + sd.SampleDesc.Quality = 0; + sd.Windowed = TRUE; + sd.SwapEffect = DXGI_SWAP_EFFECT_DISCARD; + + UINT createDeviceFlags = 0; + //createDeviceFlags |= D3D11_CREATE_DEVICE_DEBUG; + D3D_FEATURE_LEVEL featureLevel; + const D3D_FEATURE_LEVEL featureLevelArray[2] = { D3D_FEATURE_LEVEL_11_0, D3D_FEATURE_LEVEL_10_0, }; + if (D3D11CreateDeviceAndSwapChain(NULL, D3D_DRIVER_TYPE_HARDWARE, NULL, createDeviceFlags, featureLevelArray, 2, D3D11_SDK_VERSION, &sd, &g_pSwapChain, &g_pd3dDevice, &featureLevel, &g_pd3dDeviceContext) != S_OK) + return false; + + CreateRenderTarget(); + return true; +} + +void CleanupDeviceD3D() +{ + CleanupRenderTarget(); + if (g_pSwapChain) { g_pSwapChain->Release(); g_pSwapChain = NULL; } + if (g_pd3dDeviceContext) { g_pd3dDeviceContext->Release(); g_pd3dDeviceContext = NULL; } + if (g_pd3dDevice) { g_pd3dDevice->Release(); g_pd3dDevice = NULL; } +} + +void CreateRenderTarget() +{ + ID3D11Texture2D* pBackBuffer; + g_pSwapChain->GetBuffer(0, IID_PPV_ARGS(&pBackBuffer)); + g_pd3dDevice->CreateRenderTargetView(pBackBuffer, NULL, &g_mainRenderTargetView); + pBackBuffer->Release(); +} + +void CleanupRenderTarget() +{ + if (g_mainRenderTargetView) { g_mainRenderTargetView->Release(); g_mainRenderTargetView = NULL; } +} diff --git a/imgui-submodule/imgui/examples/example_sdl_metal/main.mm b/imgui-submodule/imgui/examples/example_sdl_metal/main.mm new file mode 100644 index 0000000..3cb1ea4 --- /dev/null +++ b/imgui-submodule/imgui/examples/example_sdl_metal/main.mm @@ -0,0 +1,179 @@ +// Dear ImGui: standalone example application for SDL2 + Metal +// If you are new to dear imgui, see examples/README.txt and documentation at the top of imgui.cpp. +// (SDL is a cross-platform general purpose library for handling windows, inputs, OpenGL/Vulkan/Metal graphics context creation, etc.) + +#include "imgui.h" +#include "imgui_impl_sdl.h" +#include "imgui_impl_metal.h" +#include +#include + +#import +#import + +int main(int, char**) +{ + // Setup Dear ImGui binding + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + //io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + //io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls + + // Setup style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsClassic(); + + // Load Fonts + // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. + // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. + // - If the file cannot be loaded, the function will return NULL. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. + // - Read 'docs/FONTS.txt' for more instructions and details. + // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! + //io.Fonts->AddFontDefault(); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/ProggyTiny.ttf", 10.0f); + //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, NULL, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != NULL); + + // Setup SDL + // (Some versions of SDL before <2.0.10 appears to have performance/stalling issues on a minority of Windows systems, + // depending on whether SDL_INIT_GAMECONTROLLER is enabled or disabled.. updating to latest version of SDL is recommended!) + if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER | SDL_INIT_GAMECONTROLLER) != 0) + { + printf("Error: %s\n", SDL_GetError()); + return -1; + } + + // Inform SDL that we will be using metal for rendering. Without this hint initialization of metal renderer may fail. + SDL_SetHint(SDL_HINT_RENDER_DRIVER, "metal"); + + SDL_Window* window = SDL_CreateWindow("Dear ImGui SDL+Metal example", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 1280, 720, SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI); + if (window == NULL) + { + printf("Error creating window: %s\n", SDL_GetError()); + return -2; + } + + SDL_Renderer* renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC); + if (renderer == NULL) + { + printf("Error creating renderer: %s\n", SDL_GetError()); + return -3; + } + + CAMetalLayer* layer = (__bridge CAMetalLayer*)SDL_RenderGetMetalLayer(renderer); + layer.pixelFormat = MTLPixelFormatBGRA8Unorm; + ImGui_ImplMetal_Init(layer.device); + ImGui_ImplSDL2_InitForMetal(window); + + id commandQueue = [layer.device newCommandQueue]; + MTLRenderPassDescriptor* renderPassDescriptor = [MTLRenderPassDescriptor new]; + + // Our state + bool show_demo_window = true; + bool show_another_window = false; + float clear_color[4] = {0.45f, 0.55f, 0.60f, 1.00f}; + + // Main loop + bool done = false; + while (!done) + { + @autoreleasepool + { + // Poll and handle events (inputs, window resize, etc.) + // You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. + // - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application. + // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. + // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. + SDL_Event event; + while (SDL_PollEvent(&event)) + { + ImGui_ImplSDL2_ProcessEvent(&event); + if (event.type == SDL_QUIT) + done = true; + if (event.type == SDL_WINDOWEVENT && event.window.event == SDL_WINDOWEVENT_CLOSE && event.window.windowID == SDL_GetWindowID(window)) + done = true; + } + + int width, height; + SDL_GetRendererOutputSize(renderer, &width, &height); + layer.drawableSize = CGSizeMake(width, height); + id drawable = [layer nextDrawable]; + + id commandBuffer = [commandQueue commandBuffer]; + renderPassDescriptor.colorAttachments[0].clearColor = MTLClearColorMake(clear_color[0], clear_color[1], clear_color[2], clear_color[3]); + renderPassDescriptor.colorAttachments[0].texture = drawable.texture; + renderPassDescriptor.colorAttachments[0].loadAction = MTLLoadActionClear; + renderPassDescriptor.colorAttachments[0].storeAction = MTLStoreActionStore; + id renderEncoder = [commandBuffer renderCommandEncoderWithDescriptor:renderPassDescriptor]; + [renderEncoder pushDebugGroup:@"ImGui demo"]; + + // Start the Dear ImGui frame + ImGui_ImplMetal_NewFrame(renderPassDescriptor); + ImGui_ImplSDL2_NewFrame(window); + ImGui::NewFrame(); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to created a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / ImGui::GetIO().Framerate, ImGui::GetIO().Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + ImGui::Render(); + ImGui_ImplMetal_RenderDrawData(ImGui::GetDrawData(), commandBuffer, renderEncoder); + + [renderEncoder popDebugGroup]; + [renderEncoder endEncoding]; + + [commandBuffer presentDrawable:drawable]; + [commandBuffer commit]; + } + } + + // Cleanup + ImGui_ImplMetal_Shutdown(); + ImGui_ImplSDL2_Shutdown(); + ImGui::DestroyContext(); + + SDL_DestroyRenderer(renderer); + SDL_DestroyWindow(window); + SDL_Quit(); + + return 0; +} diff --git a/imgui-submodule/imgui/examples/example_sdl_opengl2/README.md b/imgui-submodule/imgui/examples/example_sdl_opengl2/README.md new file mode 100644 index 0000000..60a5e37 --- /dev/null +++ b/imgui-submodule/imgui/examples/example_sdl_opengl2/README.md @@ -0,0 +1,25 @@ + +# How to Build + +- On Windows with Visual Studio's CLI + +``` +set SDL2_DIR=path_to_your_sdl2_folder +cl /Zi /MD /I.. /I..\.. /I%SDL2_DIR%\include main.cpp ..\imgui_impl_sdl.cpp ..\imgui_impl_opengl2.cpp ..\..\imgui*.cpp /FeDebug/example_sdl_opengl2.exe /FoDebug/ /link /libpath:%SDL2_DIR%\lib\x86 SDL2.lib SDL2main.lib opengl32.lib /subsystem:console +# ^^ include paths ^^ source files ^^ output exe ^^ output dir ^^ libraries +# or for 64-bit: +cl /Zi /MD /I.. /I..\.. /I%SDL2_DIR%\include main.cpp ..\imgui_impl_sdl.cpp ..\imgui_impl_opengl2.cpp ..\..\imgui*.cpp /FeDebug/example_sdl_opengl2.exe /FoDebug/ /link /libpath:%SDL2_DIR%\lib\x64 SDL2.lib SDL2main.lib opengl32.lib /subsystem:console +``` + +- On Linux and similar Unixes + +``` +c++ `sdl2-config --cflags` -I .. -I ../.. main.cpp ../imgui_impl_sdl.cpp ../imgui_impl_opengl2.cpp ../../imgui*.cpp `sdl2-config --libs` -lGL +``` + +- On Mac OS X + +``` +brew install sdl2 +c++ `sdl2-config --cflags` -I .. -I ../.. main.cpp ../imgui_impl_sdl.cpp ../imgui_impl_opengl2.cpp ../../imgui*.cpp `sdl2-config --libs` -framework OpenGl +``` diff --git a/imgui-submodule/imgui/examples/example_sdl_opengl2/build_win32.bat b/imgui-submodule/imgui/examples/example_sdl_opengl2/build_win32.bat new file mode 100644 index 0000000..d209b2a --- /dev/null +++ b/imgui-submodule/imgui/examples/example_sdl_opengl2/build_win32.bat @@ -0,0 +1,8 @@ +@REM Build for Visual Studio compiler. Run your copy of vcvars32.bat or vcvarsall.bat to setup command-line compiler. +set OUT_DIR=Debug +set OUT_EXE=example_sdl_opengl2 +set INCLUDES=/I.. /I..\.. /I%SDL2_DIR%\include +set SOURCES=main.cpp ..\imgui_impl_sdl.cpp ..\imgui_impl_opengl2.cpp ..\..\imgui*.cpp +set LIBS=/libpath:%SDL2_DIR%\lib\x86 SDL2.lib SDL2main.lib opengl32.lib +mkdir %OUT_DIR% +cl /nologo /Zi /MD %INCLUDES% %SOURCES% /Fe%OUT_DIR%/%OUT_EXE%.exe /Fo%OUT_DIR%/ /link %LIBS% /subsystem:console diff --git a/imgui-submodule/imgui/examples/example_sdl_opengl2/main.cpp b/imgui-submodule/imgui/examples/example_sdl_opengl2/main.cpp new file mode 100644 index 0000000..ff54ec4 --- /dev/null +++ b/imgui-submodule/imgui/examples/example_sdl_opengl2/main.cpp @@ -0,0 +1,154 @@ +// dear imgui: standalone example application for SDL2 + OpenGL +// If you are new to dear imgui, see examples/README.txt and documentation at the top of imgui.cpp. +// (SDL is a cross-platform general purpose library for handling windows, inputs, OpenGL/Vulkan/Metal graphics context creation, etc.) + +// **DO NOT USE THIS CODE IF YOUR CODE/ENGINE IS USING MODERN OPENGL (SHADERS, VBO, VAO, etc.)** +// **Prefer using the code in the example_sdl_opengl3/ folder** +// See imgui_impl_sdl.cpp for details. + +#include "imgui.h" +#include "imgui_impl_sdl.h" +#include "imgui_impl_opengl2.h" +#include +#include +#include + +// Main code +int main(int, char**) +{ + // Setup SDL + // (Some versions of SDL before <2.0.10 appears to have performance/stalling issues on a minority of Windows systems, + // depending on whether SDL_INIT_GAMECONTROLLER is enabled or disabled.. updating to latest version of SDL is recommended!) + if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER | SDL_INIT_GAMECONTROLLER) != 0) + { + printf("Error: %s\n", SDL_GetError()); + return -1; + } + + // Setup window + SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1); + SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24); + SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 8); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 2); + SDL_WindowFlags window_flags = (SDL_WindowFlags)(SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI); + SDL_Window* window = SDL_CreateWindow("Dear ImGui SDL2+OpenGL example", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 1280, 720, window_flags); + SDL_GLContext gl_context = SDL_GL_CreateContext(window); + SDL_GL_MakeCurrent(window, gl_context); + SDL_GL_SetSwapInterval(1); // Enable vsync + + // Setup Dear ImGui context + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + //io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + //io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls + + // Setup Dear ImGui style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsClassic(); + + // Setup Platform/Renderer bindings + ImGui_ImplSDL2_InitForOpenGL(window, gl_context); + ImGui_ImplOpenGL2_Init(); + + // Load Fonts + // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. + // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. + // - If the file cannot be loaded, the function will return NULL. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. + // - Read 'docs/FONTS.txt' for more instructions and details. + // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! + //io.Fonts->AddFontDefault(); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/ProggyTiny.ttf", 10.0f); + //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, NULL, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != NULL); + + // Our state + bool show_demo_window = true; + bool show_another_window = false; + ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f); + + // Main loop + bool done = false; + while (!done) + { + // Poll and handle events (inputs, window resize, etc.) + // You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. + // - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application. + // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. + // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. + SDL_Event event; + while (SDL_PollEvent(&event)) + { + ImGui_ImplSDL2_ProcessEvent(&event); + if (event.type == SDL_QUIT) + done = true; + } + + // Start the Dear ImGui frame + ImGui_ImplOpenGL2_NewFrame(); + ImGui_ImplSDL2_NewFrame(window); + ImGui::NewFrame(); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to created a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / ImGui::GetIO().Framerate, ImGui::GetIO().Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + ImGui::Render(); + glViewport(0, 0, (int)io.DisplaySize.x, (int)io.DisplaySize.y); + glClearColor(clear_color.x, clear_color.y, clear_color.z, clear_color.w); + glClear(GL_COLOR_BUFFER_BIT); + //glUseProgram(0); // You may want this if using this code in an OpenGL 3+ context where shaders may be bound + ImGui_ImplOpenGL2_RenderDrawData(ImGui::GetDrawData()); + SDL_GL_SwapWindow(window); + } + + // Cleanup + ImGui_ImplOpenGL2_Shutdown(); + ImGui_ImplSDL2_Shutdown(); + ImGui::DestroyContext(); + + SDL_GL_DeleteContext(gl_context); + SDL_DestroyWindow(window); + SDL_Quit(); + + return 0; +} diff --git a/imgui-submodule/imgui/examples/example_sdl_opengl3/README.md b/imgui-submodule/imgui/examples/example_sdl_opengl3/README.md new file mode 100644 index 0000000..ec21fb7 --- /dev/null +++ b/imgui-submodule/imgui/examples/example_sdl_opengl3/README.md @@ -0,0 +1,25 @@ + +# How to Build + +- On Windows with Visual Studio's CLI + +``` +set SDL2_DIR=path_to_your_sdl2_folder +cl /Zi /MD /I.. /I..\.. /I%SDL2_DIR%\include /I..\libs\gl3w main.cpp ..\imgui_impl_sdl.cpp ..\imgui_impl_opengl3.cpp ..\..\imgui*.cpp ..\libs\gl3w\GL\gl3w.c /FeDebug/example_sdl_opengl3.exe /FoDebug/ /link /libpath:%SDL2_DIR%\lib\x86 SDL2.lib SDL2main.lib opengl32.lib /subsystem:console +# ^^ include paths ^^ source files ^^ output exe ^^ output dir ^^ libraries +# or for 64-bit: +cl /Zi /MD /I.. /I..\.. /I%SDL2_DIR%\include /I..\libs\gl3w main.cpp ..\imgui_impl_sdl.cpp ..\imgui_impl_opengl3.cpp ..\..\imgui*.cpp ..\libs\gl3w\GL\gl3w.c /FeDebug/example_sdl_opengl3.exe /FoDebug/ /link /libpath:%SDL2_DIR%\lib\x64 SDL2.lib SDL2main.lib opengl32.lib /subsystem:console +``` + +- On Linux and similar Unixes + +``` +c++ `sdl2-config --cflags` -I .. -I ../.. -I ../libs/gl3w main.cpp ../imgui_impl_sdl.cpp ../imgui_impl_opengl3.cpp ../../imgui*.cpp ../libs/gl3w/GL/gl3w.c `sdl2-config --libs` -lGL -ldl +``` + +- On Mac OS X + +``` +brew install sdl2 +c++ `sdl2-config --cflags` -I .. -I ../.. -I ../libs/gl3w main.cpp ../imgui_impl_sdl.cpp ../imgui_impl_opengl3.cpp ../../imgui*.cpp ../libs/gl3w/GL/gl3w.c `sdl2-config --libs` -framework OpenGl -framework CoreFoundation +``` diff --git a/imgui-submodule/imgui/examples/example_sdl_opengl3/build_win32.bat b/imgui-submodule/imgui/examples/example_sdl_opengl3/build_win32.bat new file mode 100644 index 0000000..ce10560 --- /dev/null +++ b/imgui-submodule/imgui/examples/example_sdl_opengl3/build_win32.bat @@ -0,0 +1,8 @@ +@REM Build for Visual Studio compiler. Run your copy of vcvars32.bat or vcvarsall.bat to setup command-line compiler. +set OUT_DIR=Debug +set OUT_EXE=example_sdl_opengl3 +set INCLUDES=/I.. /I..\.. /I%SDL2_DIR%\include /I..\libs\gl3w +set SOURCES=main.cpp ..\imgui_impl_sdl.cpp ..\imgui_impl_opengl3.cpp ..\..\imgui*.cpp ..\libs\gl3w\GL\gl3w.c +set LIBS=/libpath:%SDL2_DIR%\lib\x86 SDL2.lib SDL2main.lib opengl32.lib +mkdir %OUT_DIR% +cl /nologo /Zi /MD %INCLUDES% %SOURCES% /Fe%OUT_DIR%/%OUT_EXE%.exe /Fo%OUT_DIR%/ /link %LIBS% /subsystem:console diff --git a/imgui-submodule/imgui/examples/example_sdl_opengl3/main.cpp b/imgui-submodule/imgui/examples/example_sdl_opengl3/main.cpp new file mode 100644 index 0000000..20801a1 --- /dev/null +++ b/imgui-submodule/imgui/examples/example_sdl_opengl3/main.cpp @@ -0,0 +1,203 @@ +// dear imgui: standalone example application for SDL2 + OpenGL +// If you are new to dear imgui, see examples/README.txt and documentation at the top of imgui.cpp. +// (SDL is a cross-platform general purpose library for handling windows, inputs, OpenGL/Vulkan/Metal graphics context creation, etc.) +// (GL3W is a helper library to access OpenGL functions since there is no standard header to access modern OpenGL functions easily. Alternatives are GLEW, Glad, etc.) + +#include "imgui.h" +#include "imgui_impl_sdl.h" +#include "imgui_impl_opengl3.h" +#include +#include + +// About Desktop OpenGL function loaders: +// Modern desktop OpenGL doesn't have a standard portable header file to load OpenGL function pointers. +// Helper libraries are often used for this purpose! Here we are supporting a few common ones (gl3w, glew, glad). +// You may use another loader/header of your choice (glext, glLoadGen, etc.), or chose to manually implement your own. +#if defined(IMGUI_IMPL_OPENGL_LOADER_GL3W) +#include // Initialize with gl3wInit() +#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLEW) +#include // Initialize with glewInit() +#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLAD) +#include // Initialize with gladLoadGL() +#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLBINDING) +#include // Initialize with glbinding::initialize() +#include +using namespace gl; +#else +#include IMGUI_IMPL_OPENGL_LOADER_CUSTOM +#endif + +// Main code +int main(int, char**) +{ + // Setup SDL + // (Some versions of SDL before <2.0.10 appears to have performance/stalling issues on a minority of Windows systems, + // depending on whether SDL_INIT_GAMECONTROLLER is enabled or disabled.. updating to latest version of SDL is recommended!) + if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER | SDL_INIT_GAMECONTROLLER) != 0) + { + printf("Error: %s\n", SDL_GetError()); + return -1; + } + + // Decide GL+GLSL versions +#if __APPLE__ + // GL 3.2 Core + GLSL 150 + const char* glsl_version = "#version 150"; + SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, SDL_GL_CONTEXT_FORWARD_COMPATIBLE_FLAG); // Always required on Mac + SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 2); +#else + // GL 3.0 + GLSL 130 + const char* glsl_version = "#version 130"; + SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, 0); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0); +#endif + + // Create window with graphics context + SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1); + SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24); + SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 8); + SDL_WindowFlags window_flags = (SDL_WindowFlags)(SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI); + SDL_Window* window = SDL_CreateWindow("Dear ImGui SDL2+OpenGL3 example", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 1280, 720, window_flags); + SDL_GLContext gl_context = SDL_GL_CreateContext(window); + SDL_GL_MakeCurrent(window, gl_context); + SDL_GL_SetSwapInterval(1); // Enable vsync + + // Initialize OpenGL loader +#if defined(IMGUI_IMPL_OPENGL_LOADER_GL3W) + bool err = gl3wInit() != 0; +#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLEW) + bool err = glewInit() != GLEW_OK; +#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLAD) + bool err = gladLoadGL() == 0; +#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLBINDING) + bool err = false; + glbinding::initialize([](const char* name) { return (glbinding::ProcAddress)SDL_GL_GetProcAddress(name); }); +#else + bool err = false; // If you use IMGUI_IMPL_OPENGL_LOADER_CUSTOM, your loader is likely to requires some form of initialization. +#endif + if (err) + { + fprintf(stderr, "Failed to initialize OpenGL loader!\n"); + return 1; + } + + // Setup Dear ImGui context + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + //io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + //io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls + + // Setup Dear ImGui style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsClassic(); + + // Setup Platform/Renderer bindings + ImGui_ImplSDL2_InitForOpenGL(window, gl_context); + ImGui_ImplOpenGL3_Init(glsl_version); + + // Load Fonts + // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. + // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. + // - If the file cannot be loaded, the function will return NULL. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. + // - Read 'docs/FONTS.txt' for more instructions and details. + // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! + //io.Fonts->AddFontDefault(); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/ProggyTiny.ttf", 10.0f); + //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, NULL, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != NULL); + + // Our state + bool show_demo_window = true; + bool show_another_window = false; + ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f); + + // Main loop + bool done = false; + while (!done) + { + // Poll and handle events (inputs, window resize, etc.) + // You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. + // - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application. + // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. + // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. + SDL_Event event; + while (SDL_PollEvent(&event)) + { + ImGui_ImplSDL2_ProcessEvent(&event); + if (event.type == SDL_QUIT) + done = true; + if (event.type == SDL_WINDOWEVENT && event.window.event == SDL_WINDOWEVENT_CLOSE && event.window.windowID == SDL_GetWindowID(window)) + done = true; + } + + // Start the Dear ImGui frame + ImGui_ImplOpenGL3_NewFrame(); + ImGui_ImplSDL2_NewFrame(window); + ImGui::NewFrame(); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to created a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / ImGui::GetIO().Framerate, ImGui::GetIO().Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + ImGui::Render(); + glViewport(0, 0, (int)io.DisplaySize.x, (int)io.DisplaySize.y); + glClearColor(clear_color.x, clear_color.y, clear_color.z, clear_color.w); + glClear(GL_COLOR_BUFFER_BIT); + ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData()); + SDL_GL_SwapWindow(window); + } + + // Cleanup + ImGui_ImplOpenGL3_Shutdown(); + ImGui_ImplSDL2_Shutdown(); + ImGui::DestroyContext(); + + SDL_GL_DeleteContext(gl_context); + SDL_DestroyWindow(window); + SDL_Quit(); + + return 0; +} diff --git a/imgui-submodule/imgui/examples/example_sdl_vulkan/main.cpp b/imgui-submodule/imgui/examples/example_sdl_vulkan/main.cpp new file mode 100644 index 0000000..c4e529e --- /dev/null +++ b/imgui-submodule/imgui/examples/example_sdl_vulkan/main.cpp @@ -0,0 +1,527 @@ +// dear imgui: standalone example application for SDL2 + Vulkan +// If you are new to dear imgui, see examples/README.txt and documentation at the top of imgui.cpp. + +// Important note to the reader who wish to integrate imgui_impl_vulkan.cpp/.h in their own engine/app. +// - Common ImGui_ImplVulkan_XXX functions and structures are used to interface with imgui_impl_vulkan.cpp/.h. +// You will use those if you want to use this rendering back-end in your engine/app. +// - Helper ImGui_ImplVulkanH_XXX functions and structures are only used by this example (main.cpp) and by +// the back-end itself (imgui_impl_vulkan.cpp), but should PROBABLY NOT be used by your own engine/app code. +// Read comments in imgui_impl_vulkan.h. + +#include "imgui.h" +#include "imgui_impl_sdl.h" +#include "imgui_impl_vulkan.h" +#include // printf, fprintf +#include // abort +#include +#include +#include + +//#define IMGUI_UNLIMITED_FRAME_RATE +#ifdef _DEBUG +#define IMGUI_VULKAN_DEBUG_REPORT +#endif + +static VkAllocationCallbacks* g_Allocator = NULL; +static VkInstance g_Instance = VK_NULL_HANDLE; +static VkPhysicalDevice g_PhysicalDevice = VK_NULL_HANDLE; +static VkDevice g_Device = VK_NULL_HANDLE; +static uint32_t g_QueueFamily = (uint32_t)-1; +static VkQueue g_Queue = VK_NULL_HANDLE; +static VkDebugReportCallbackEXT g_DebugReport = VK_NULL_HANDLE; +static VkPipelineCache g_PipelineCache = VK_NULL_HANDLE; +static VkDescriptorPool g_DescriptorPool = VK_NULL_HANDLE; + +static ImGui_ImplVulkanH_Window g_MainWindowData; +static uint32_t g_MinImageCount = 2; +static bool g_SwapChainRebuild = false; +static int g_SwapChainResizeWidth = 0; +static int g_SwapChainResizeHeight = 0; + +static void check_vk_result(VkResult err) +{ + if (err == 0) return; + printf("VkResult %d\n", err); + if (err < 0) + abort(); +} + +#ifdef IMGUI_VULKAN_DEBUG_REPORT +static VKAPI_ATTR VkBool32 VKAPI_CALL debug_report(VkDebugReportFlagsEXT flags, VkDebugReportObjectTypeEXT objectType, uint64_t object, size_t location, int32_t messageCode, const char* pLayerPrefix, const char* pMessage, void* pUserData) +{ + (void)flags; (void)object; (void)location; (void)messageCode; (void)pUserData; (void)pLayerPrefix; // Unused arguments + fprintf(stderr, "[vulkan] ObjectType: %i\nMessage: %s\n\n", objectType, pMessage); + return VK_FALSE; +} +#endif // IMGUI_VULKAN_DEBUG_REPORT + +static void SetupVulkan(const char** extensions, uint32_t extensions_count) +{ + VkResult err; + + // Create Vulkan Instance + { + VkInstanceCreateInfo create_info = {}; + create_info.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO; + create_info.enabledExtensionCount = extensions_count; + create_info.ppEnabledExtensionNames = extensions; + +#ifdef IMGUI_VULKAN_DEBUG_REPORT + // Enabling multiple validation layers grouped as LunarG standard validation + const char* layers[] = { "VK_LAYER_LUNARG_standard_validation" }; + create_info.enabledLayerCount = 1; + create_info.ppEnabledLayerNames = layers; + + // Enable debug report extension (we need additional storage, so we duplicate the user array to add our new extension to it) + const char** extensions_ext = (const char**)malloc(sizeof(const char*) * (extensions_count + 1)); + memcpy(extensions_ext, extensions, extensions_count * sizeof(const char*)); + extensions_ext[extensions_count] = "VK_EXT_debug_report"; + create_info.enabledExtensionCount = extensions_count + 1; + create_info.ppEnabledExtensionNames = extensions_ext; + + // Create Vulkan Instance + err = vkCreateInstance(&create_info, g_Allocator, &g_Instance); + check_vk_result(err); + free(extensions_ext); + + // Get the function pointer (required for any extensions) + auto vkCreateDebugReportCallbackEXT = (PFN_vkCreateDebugReportCallbackEXT)vkGetInstanceProcAddr(g_Instance, "vkCreateDebugReportCallbackEXT"); + IM_ASSERT(vkCreateDebugReportCallbackEXT != NULL); + + // Setup the debug report callback + VkDebugReportCallbackCreateInfoEXT debug_report_ci = {}; + debug_report_ci.sType = VK_STRUCTURE_TYPE_DEBUG_REPORT_CALLBACK_CREATE_INFO_EXT; + debug_report_ci.flags = VK_DEBUG_REPORT_ERROR_BIT_EXT | VK_DEBUG_REPORT_WARNING_BIT_EXT | VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT; + debug_report_ci.pfnCallback = debug_report; + debug_report_ci.pUserData = NULL; + err = vkCreateDebugReportCallbackEXT(g_Instance, &debug_report_ci, g_Allocator, &g_DebugReport); + check_vk_result(err); +#else + // Create Vulkan Instance without any debug feature + err = vkCreateInstance(&create_info, g_Allocator, &g_Instance); + check_vk_result(err); + IM_UNUSED(g_DebugReport); +#endif + } + + // Select GPU + { + uint32_t gpu_count; + err = vkEnumeratePhysicalDevices(g_Instance, &gpu_count, NULL); + check_vk_result(err); + IM_ASSERT(gpu_count > 0); + + VkPhysicalDevice* gpus = (VkPhysicalDevice*)malloc(sizeof(VkPhysicalDevice) * gpu_count); + err = vkEnumeratePhysicalDevices(g_Instance, &gpu_count, gpus); + check_vk_result(err); + + // If a number >1 of GPUs got reported, you should find the best fit GPU for your purpose + // e.g. VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU if available, or with the greatest memory available, etc. + // for sake of simplicity we'll just take the first one, assuming it has a graphics queue family. + g_PhysicalDevice = gpus[0]; + free(gpus); + } + + // Select graphics queue family + { + uint32_t count; + vkGetPhysicalDeviceQueueFamilyProperties(g_PhysicalDevice, &count, NULL); + VkQueueFamilyProperties* queues = (VkQueueFamilyProperties*)malloc(sizeof(VkQueueFamilyProperties) * count); + vkGetPhysicalDeviceQueueFamilyProperties(g_PhysicalDevice, &count, queues); + for (uint32_t i = 0; i < count; i++) + if (queues[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) + { + g_QueueFamily = i; + break; + } + free(queues); + IM_ASSERT(g_QueueFamily != (uint32_t)-1); + } + + // Create Logical Device (with 1 queue) + { + int device_extension_count = 1; + const char* device_extensions[] = { "VK_KHR_swapchain" }; + const float queue_priority[] = { 1.0f }; + VkDeviceQueueCreateInfo queue_info[1] = {}; + queue_info[0].sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO; + queue_info[0].queueFamilyIndex = g_QueueFamily; + queue_info[0].queueCount = 1; + queue_info[0].pQueuePriorities = queue_priority; + VkDeviceCreateInfo create_info = {}; + create_info.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO; + create_info.queueCreateInfoCount = sizeof(queue_info) / sizeof(queue_info[0]); + create_info.pQueueCreateInfos = queue_info; + create_info.enabledExtensionCount = device_extension_count; + create_info.ppEnabledExtensionNames = device_extensions; + err = vkCreateDevice(g_PhysicalDevice, &create_info, g_Allocator, &g_Device); + check_vk_result(err); + vkGetDeviceQueue(g_Device, g_QueueFamily, 0, &g_Queue); + } + + // Create Descriptor Pool + { + VkDescriptorPoolSize pool_sizes[] = + { + { VK_DESCRIPTOR_TYPE_SAMPLER, 1000 }, + { VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1000 }, + { VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE, 1000 }, + { VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, 1000 }, + { VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER, 1000 }, + { VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER, 1000 }, + { VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1000 }, + { VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, 1000 }, + { VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC, 1000 }, + { VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC, 1000 }, + { VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT, 1000 } + }; + VkDescriptorPoolCreateInfo pool_info = {}; + pool_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO; + pool_info.flags = VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT; + pool_info.maxSets = 1000 * IM_ARRAYSIZE(pool_sizes); + pool_info.poolSizeCount = (uint32_t)IM_ARRAYSIZE(pool_sizes); + pool_info.pPoolSizes = pool_sizes; + err = vkCreateDescriptorPool(g_Device, &pool_info, g_Allocator, &g_DescriptorPool); + check_vk_result(err); + } +} + +// All the ImGui_ImplVulkanH_XXX structures/functions are optional helpers used by the demo. +// Your real engine/app may not use them. +static void SetupVulkanWindow(ImGui_ImplVulkanH_Window* wd, VkSurfaceKHR surface, int width, int height) +{ + wd->Surface = surface; + + // Check for WSI support + VkBool32 res; + vkGetPhysicalDeviceSurfaceSupportKHR(g_PhysicalDevice, g_QueueFamily, wd->Surface, &res); + if (res != VK_TRUE) + { + fprintf(stderr, "Error no WSI support on physical device 0\n"); + exit(-1); + } + + // Select Surface Format + const VkFormat requestSurfaceImageFormat[] = { VK_FORMAT_B8G8R8A8_UNORM, VK_FORMAT_R8G8B8A8_UNORM, VK_FORMAT_B8G8R8_UNORM, VK_FORMAT_R8G8B8_UNORM }; + const VkColorSpaceKHR requestSurfaceColorSpace = VK_COLORSPACE_SRGB_NONLINEAR_KHR; + wd->SurfaceFormat = ImGui_ImplVulkanH_SelectSurfaceFormat(g_PhysicalDevice, wd->Surface, requestSurfaceImageFormat, (size_t)IM_ARRAYSIZE(requestSurfaceImageFormat), requestSurfaceColorSpace); + + // Select Present Mode +#ifdef IMGUI_UNLIMITED_FRAME_RATE + VkPresentModeKHR present_modes[] = { VK_PRESENT_MODE_MAILBOX_KHR, VK_PRESENT_MODE_IMMEDIATE_KHR, VK_PRESENT_MODE_FIFO_KHR }; +#else + VkPresentModeKHR present_modes[] = { VK_PRESENT_MODE_FIFO_KHR }; +#endif + wd->PresentMode = ImGui_ImplVulkanH_SelectPresentMode(g_PhysicalDevice, wd->Surface, &present_modes[0], IM_ARRAYSIZE(present_modes)); + //printf("[vulkan] Selected PresentMode = %d\n", wd->PresentMode); + + // Create SwapChain, RenderPass, Framebuffer, etc. + IM_ASSERT(g_MinImageCount >= 2); + ImGui_ImplVulkanH_CreateWindow(g_Instance, g_PhysicalDevice, g_Device, wd, g_QueueFamily, g_Allocator, width, height, g_MinImageCount); +} + +static void CleanupVulkan() +{ + vkDestroyDescriptorPool(g_Device, g_DescriptorPool, g_Allocator); + +#ifdef IMGUI_VULKAN_DEBUG_REPORT + // Remove the debug report callback + auto vkDestroyDebugReportCallbackEXT = (PFN_vkDestroyDebugReportCallbackEXT)vkGetInstanceProcAddr(g_Instance, "vkDestroyDebugReportCallbackEXT"); + vkDestroyDebugReportCallbackEXT(g_Instance, g_DebugReport, g_Allocator); +#endif // IMGUI_VULKAN_DEBUG_REPORT + + vkDestroyDevice(g_Device, g_Allocator); + vkDestroyInstance(g_Instance, g_Allocator); +} + +static void CleanupVulkanWindow() +{ + ImGui_ImplVulkanH_DestroyWindow(g_Instance, g_Device, &g_MainWindowData, g_Allocator); +} + +static void FrameRender(ImGui_ImplVulkanH_Window* wd) +{ + VkResult err; + + VkSemaphore image_acquired_semaphore = wd->FrameSemaphores[wd->SemaphoreIndex].ImageAcquiredSemaphore; + VkSemaphore render_complete_semaphore = wd->FrameSemaphores[wd->SemaphoreIndex].RenderCompleteSemaphore; + err = vkAcquireNextImageKHR(g_Device, wd->Swapchain, UINT64_MAX, image_acquired_semaphore, VK_NULL_HANDLE, &wd->FrameIndex); + check_vk_result(err); + + ImGui_ImplVulkanH_Frame* fd = &wd->Frames[wd->FrameIndex]; + { + err = vkWaitForFences(g_Device, 1, &fd->Fence, VK_TRUE, UINT64_MAX); // wait indefinitely instead of periodically checking + check_vk_result(err); + + err = vkResetFences(g_Device, 1, &fd->Fence); + check_vk_result(err); + } + { + err = vkResetCommandPool(g_Device, fd->CommandPool, 0); + check_vk_result(err); + VkCommandBufferBeginInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO; + info.flags |= VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT; + err = vkBeginCommandBuffer(fd->CommandBuffer, &info); + check_vk_result(err); + } + { + VkRenderPassBeginInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO; + info.renderPass = wd->RenderPass; + info.framebuffer = fd->Framebuffer; + info.renderArea.extent.width = wd->Width; + info.renderArea.extent.height = wd->Height; + info.clearValueCount = 1; + info.pClearValues = &wd->ClearValue; + vkCmdBeginRenderPass(fd->CommandBuffer, &info, VK_SUBPASS_CONTENTS_INLINE); + } + + // Record Imgui Draw Data and draw funcs into command buffer + ImGui_ImplVulkan_RenderDrawData(ImGui::GetDrawData(), fd->CommandBuffer); + + // Submit command buffer + vkCmdEndRenderPass(fd->CommandBuffer); + { + VkPipelineStageFlags wait_stage = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT; + VkSubmitInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO; + info.waitSemaphoreCount = 1; + info.pWaitSemaphores = &image_acquired_semaphore; + info.pWaitDstStageMask = &wait_stage; + info.commandBufferCount = 1; + info.pCommandBuffers = &fd->CommandBuffer; + info.signalSemaphoreCount = 1; + info.pSignalSemaphores = &render_complete_semaphore; + + err = vkEndCommandBuffer(fd->CommandBuffer); + check_vk_result(err); + err = vkQueueSubmit(g_Queue, 1, &info, fd->Fence); + check_vk_result(err); + } +} + +static void FramePresent(ImGui_ImplVulkanH_Window* wd) +{ + VkSemaphore render_complete_semaphore = wd->FrameSemaphores[wd->SemaphoreIndex].RenderCompleteSemaphore; + VkPresentInfoKHR info = {}; + info.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR; + info.waitSemaphoreCount = 1; + info.pWaitSemaphores = &render_complete_semaphore; + info.swapchainCount = 1; + info.pSwapchains = &wd->Swapchain; + info.pImageIndices = &wd->FrameIndex; + VkResult err = vkQueuePresentKHR(g_Queue, &info); + check_vk_result(err); + wd->SemaphoreIndex = (wd->SemaphoreIndex + 1) % wd->ImageCount; // Now we can use the next set of semaphores +} + +int main(int, char**) +{ + // Setup SDL + if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER | SDL_INIT_GAMECONTROLLER) != 0) + { + printf("Error: %s\n", SDL_GetError()); + return -1; + } + + // Setup window + SDL_WindowFlags window_flags = (SDL_WindowFlags)(SDL_WINDOW_VULKAN | SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI); + SDL_Window* window = SDL_CreateWindow("Dear ImGui SDL2+Vulkan example", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 1280, 720, window_flags); + + // Setup Vulkan + uint32_t extensions_count = 0; + SDL_Vulkan_GetInstanceExtensions(window, &extensions_count, NULL); + const char** extensions = new const char*[extensions_count]; + SDL_Vulkan_GetInstanceExtensions(window, &extensions_count, extensions); + SetupVulkan(extensions, extensions_count); + delete[] extensions; + + // Create Window Surface + VkSurfaceKHR surface; + VkResult err; + if (SDL_Vulkan_CreateSurface(window, g_Instance, &surface) == 0) + { + printf("Failed to create Vulkan surface.\n"); + return 1; + } + + // Create Framebuffers + int w, h; + SDL_GetWindowSize(window, &w, &h); + ImGui_ImplVulkanH_Window* wd = &g_MainWindowData; + SetupVulkanWindow(wd, surface, w, h); + + // Setup Dear ImGui context + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + //io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + //io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls + + // Setup Dear ImGui style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsClassic(); + + // Setup Platform/Renderer bindings + ImGui_ImplSDL2_InitForVulkan(window); + ImGui_ImplVulkan_InitInfo init_info = {}; + init_info.Instance = g_Instance; + init_info.PhysicalDevice = g_PhysicalDevice; + init_info.Device = g_Device; + init_info.QueueFamily = g_QueueFamily; + init_info.Queue = g_Queue; + init_info.PipelineCache = g_PipelineCache; + init_info.DescriptorPool = g_DescriptorPool; + init_info.Allocator = g_Allocator; + init_info.MinImageCount = g_MinImageCount; + init_info.ImageCount = wd->ImageCount; + init_info.CheckVkResultFn = check_vk_result; + ImGui_ImplVulkan_Init(&init_info, wd->RenderPass); + + // Load Fonts + // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. + // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. + // - If the file cannot be loaded, the function will return NULL. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. + // - Read 'docs/FONTS.txt' for more instructions and details. + // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! + //io.Fonts->AddFontDefault(); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/ProggyTiny.ttf", 10.0f); + //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, NULL, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != NULL); + + // Upload Fonts + { + // Use any command queue + VkCommandPool command_pool = wd->Frames[wd->FrameIndex].CommandPool; + VkCommandBuffer command_buffer = wd->Frames[wd->FrameIndex].CommandBuffer; + + err = vkResetCommandPool(g_Device, command_pool, 0); + check_vk_result(err); + VkCommandBufferBeginInfo begin_info = {}; + begin_info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO; + begin_info.flags |= VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT; + err = vkBeginCommandBuffer(command_buffer, &begin_info); + check_vk_result(err); + + ImGui_ImplVulkan_CreateFontsTexture(command_buffer); + + VkSubmitInfo end_info = {}; + end_info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO; + end_info.commandBufferCount = 1; + end_info.pCommandBuffers = &command_buffer; + err = vkEndCommandBuffer(command_buffer); + check_vk_result(err); + err = vkQueueSubmit(g_Queue, 1, &end_info, VK_NULL_HANDLE); + check_vk_result(err); + + err = vkDeviceWaitIdle(g_Device); + check_vk_result(err); + ImGui_ImplVulkan_DestroyFontUploadObjects(); + } + + // Our state + bool show_demo_window = true; + bool show_another_window = false; + ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f); + + // Main loop + bool done = false; + while (!done) + { + // Poll and handle events (inputs, window resize, etc.) + // You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. + // - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application. + // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. + // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. + SDL_Event event; + while (SDL_PollEvent(&event)) + { + ImGui_ImplSDL2_ProcessEvent(&event); + if (event.type == SDL_QUIT) + done = true; + if (event.type == SDL_WINDOWEVENT && event.window.event == SDL_WINDOWEVENT_RESIZED && event.window.windowID == SDL_GetWindowID(window)) + { + g_SwapChainResizeWidth = (int)event.window.data1; + g_SwapChainResizeHeight = (int)event.window.data2; + g_SwapChainRebuild = true; + } + } + + if (g_SwapChainRebuild) + { + g_SwapChainRebuild = false; + ImGui_ImplVulkan_SetMinImageCount(g_MinImageCount); + ImGui_ImplVulkanH_CreateWindow(g_Instance, g_PhysicalDevice, g_Device, &g_MainWindowData, g_QueueFamily, g_Allocator, g_SwapChainResizeWidth, g_SwapChainResizeHeight, g_MinImageCount); + g_MainWindowData.FrameIndex = 0; + } + + // Start the Dear ImGui frame + ImGui_ImplVulkan_NewFrame(); + ImGui_ImplSDL2_NewFrame(window); + ImGui::NewFrame(); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to created a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / ImGui::GetIO().Framerate, ImGui::GetIO().Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + ImGui::Render(); + memcpy(&wd->ClearValue.color.float32[0], &clear_color, 4 * sizeof(float)); + FrameRender(wd); + + FramePresent(wd); + } + + // Cleanup + err = vkDeviceWaitIdle(g_Device); + check_vk_result(err); + ImGui_ImplVulkan_Shutdown(); + ImGui_ImplSDL2_Shutdown(); + ImGui::DestroyContext(); + + CleanupVulkanWindow(); + CleanupVulkan(); + + SDL_DestroyWindow(window); + SDL_Quit(); + + return 0; +} diff --git a/imgui-submodule/imgui/examples/example_win32_directx10/build_win32.bat b/imgui-submodule/imgui/examples/example_win32_directx10/build_win32.bat new file mode 100644 index 0000000..d79cb8f --- /dev/null +++ b/imgui-submodule/imgui/examples/example_win32_directx10/build_win32.bat @@ -0,0 +1,4 @@ +@REM Build for Visual Studio compiler. Run your copy of vcvars32.bat or vcvarsall.bat to setup command-line compiler. +mkdir Debug +cl /nologo /Zi /MD /I .. /I ..\.. /I "%WindowsSdkDir%Include\um" /I "%WindowsSdkDir%Include\shared" /I "%DXSDK_DIR%Include" /D UNICODE /D _UNICODE *.cpp ..\imgui_impl_win32.cpp ..\imgui_impl_dx10.cpp ..\..\imgui*.cpp /FeDebug/example_win32_directx10.exe /FoDebug/ /link /LIBPATH:"%DXSDK_DIR%/Lib/x86" d3d10.lib d3dcompiler.lib + diff --git a/imgui-submodule/imgui/examples/example_win32_directx10/main.cpp b/imgui-submodule/imgui/examples/example_win32_directx10/main.cpp new file mode 100644 index 0000000..41833cb --- /dev/null +++ b/imgui-submodule/imgui/examples/example_win32_directx10/main.cpp @@ -0,0 +1,238 @@ +// dear imgui: standalone example application for DirectX 10 +// If you are new to dear imgui, see examples/README.txt and documentation at the top of imgui.cpp. + +#include "imgui.h" +#include "imgui_impl_win32.h" +#include "imgui_impl_dx10.h" +#include +#include +#define DIRECTINPUT_VERSION 0x0800 +#include +#include + +// Data +static ID3D10Device* g_pd3dDevice = NULL; +static IDXGISwapChain* g_pSwapChain = NULL; +static ID3D10RenderTargetView* g_mainRenderTargetView = NULL; + +// Forward declarations of helper functions +bool CreateDeviceD3D(HWND hWnd); +void CleanupDeviceD3D(); +void CreateRenderTarget(); +void CleanupRenderTarget(); +LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam); + +// Main code +int main(int, char**) +{ + // Create application window + WNDCLASSEX wc = { sizeof(WNDCLASSEX), CS_CLASSDC, WndProc, 0L, 0L, GetModuleHandle(NULL), NULL, NULL, NULL, NULL, _T("ImGui Example"), NULL }; + ::RegisterClassEx(&wc); + HWND hwnd = ::CreateWindow(wc.lpszClassName, _T("Dear ImGui DirectX10 Example"), WS_OVERLAPPEDWINDOW, 100, 100, 1280, 800, NULL, NULL, wc.hInstance, NULL); + + // Initialize Direct3D + if (!CreateDeviceD3D(hwnd)) + { + CleanupDeviceD3D(); + ::UnregisterClass(wc.lpszClassName, wc.hInstance); + return 1; + } + + // Show the window + ::ShowWindow(hwnd, SW_SHOWDEFAULT); + ::UpdateWindow(hwnd); + + // Setup Dear ImGui context + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + //io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + //io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls + + // Setup Dear ImGui style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsClassic(); + + // Setup Platform/Renderer bindings + ImGui_ImplWin32_Init(hwnd); + ImGui_ImplDX10_Init(g_pd3dDevice); + + // Load Fonts + // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. + // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. + // - If the file cannot be loaded, the function will return NULL. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. + // - Read 'docs/FONTS.txt' for more instructions and details. + // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! + //io.Fonts->AddFontDefault(); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/ProggyTiny.ttf", 10.0f); + //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, NULL, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != NULL); + + // Our state + bool show_demo_window = true; + bool show_another_window = false; + ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f); + + // Main loop + MSG msg; + ZeroMemory(&msg, sizeof(msg)); + while (msg.message != WM_QUIT) + { + // Poll and handle messages (inputs, window resize, etc.) + // You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. + // - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application. + // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. + // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. + if (::PeekMessage(&msg, NULL, 0U, 0U, PM_REMOVE)) + { + ::TranslateMessage(&msg); + ::DispatchMessage(&msg); + continue; + } + + // Start the Dear ImGui frame + ImGui_ImplDX10_NewFrame(); + ImGui_ImplWin32_NewFrame(); + ImGui::NewFrame(); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to created a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / ImGui::GetIO().Framerate, ImGui::GetIO().Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + ImGui::Render(); + g_pd3dDevice->OMSetRenderTargets(1, &g_mainRenderTargetView, NULL); + g_pd3dDevice->ClearRenderTargetView(g_mainRenderTargetView, (float*)&clear_color); + ImGui_ImplDX10_RenderDrawData(ImGui::GetDrawData()); + + g_pSwapChain->Present(1, 0); // Present with vsync + //g_pSwapChain->Present(0, 0); // Present without vsync + } + + ImGui_ImplDX10_Shutdown(); + ImGui_ImplWin32_Shutdown(); + ImGui::DestroyContext(); + + CleanupDeviceD3D(); + ::DestroyWindow(hwnd); + ::UnregisterClass(wc.lpszClassName, wc.hInstance); + + return 0; +} + +// Helper functions + +bool CreateDeviceD3D(HWND hWnd) +{ + // Setup swap chain + DXGI_SWAP_CHAIN_DESC sd; + ZeroMemory(&sd, sizeof(sd)); + sd.BufferCount = 2; + sd.BufferDesc.Width = 0; + sd.BufferDesc.Height = 0; + sd.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM; + sd.BufferDesc.RefreshRate.Numerator = 60; + sd.BufferDesc.RefreshRate.Denominator = 1; + sd.Flags = DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH; + sd.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT; + sd.OutputWindow = hWnd; + sd.SampleDesc.Count = 1; + sd.SampleDesc.Quality = 0; + sd.Windowed = TRUE; + sd.SwapEffect = DXGI_SWAP_EFFECT_DISCARD; + + UINT createDeviceFlags = 0; + //createDeviceFlags |= D3D10_CREATE_DEVICE_DEBUG; + if (D3D10CreateDeviceAndSwapChain(NULL, D3D10_DRIVER_TYPE_HARDWARE, NULL, createDeviceFlags, D3D10_SDK_VERSION, &sd, &g_pSwapChain, &g_pd3dDevice) != S_OK) + return false; + + CreateRenderTarget(); + return true; +} + +void CleanupDeviceD3D() +{ + CleanupRenderTarget(); + if (g_pSwapChain) { g_pSwapChain->Release(); g_pSwapChain = NULL; } + if (g_pd3dDevice) { g_pd3dDevice->Release(); g_pd3dDevice = NULL; } +} + +void CreateRenderTarget() +{ + ID3D10Texture2D* pBackBuffer; + g_pSwapChain->GetBuffer(0, IID_PPV_ARGS(&pBackBuffer)); + g_pd3dDevice->CreateRenderTargetView(pBackBuffer, NULL, &g_mainRenderTargetView); + pBackBuffer->Release(); +} + +void CleanupRenderTarget() +{ + if (g_mainRenderTargetView) { g_mainRenderTargetView->Release(); g_mainRenderTargetView = NULL; } +} + +// Forward declare message handler from imgui_impl_win32.cpp +extern IMGUI_IMPL_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam); + +// Win32 message handler +LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) +{ + if (ImGui_ImplWin32_WndProcHandler(hWnd, msg, wParam, lParam)) + return true; + + switch (msg) + { + case WM_SIZE: + if (g_pd3dDevice != NULL && wParam != SIZE_MINIMIZED) + { + CleanupRenderTarget(); + g_pSwapChain->ResizeBuffers(0, (UINT)LOWORD(lParam), (UINT)HIWORD(lParam), DXGI_FORMAT_UNKNOWN, 0); + CreateRenderTarget(); + } + return 0; + case WM_SYSCOMMAND: + if ((wParam & 0xfff0) == SC_KEYMENU) // Disable ALT application menu + return 0; + break; + case WM_DESTROY: + ::PostQuitMessage(0); + return 0; + } + return ::DefWindowProc(hWnd, msg, wParam, lParam); +} diff --git a/imgui-submodule/imgui/examples/example_win32_directx11/build_win32.bat b/imgui-submodule/imgui/examples/example_win32_directx11/build_win32.bat new file mode 100644 index 0000000..05e6a6f --- /dev/null +++ b/imgui-submodule/imgui/examples/example_win32_directx11/build_win32.bat @@ -0,0 +1,4 @@ +@REM Build for Visual Studio compiler. Run your copy of vcvars32.bat or vcvarsall.bat to setup command-line compiler. +mkdir Debug +cl /nologo /Zi /MD /I .. /I ..\.. /I "%WindowsSdkDir%Include\um" /I "%WindowsSdkDir%Include\shared" /I "%DXSDK_DIR%Include" /D UNICODE /D _UNICODE *.cpp ..\imgui_impl_dx11.cpp ..\imgui_impl_win32.cpp ..\..\imgui*.cpp /FeDebug/example_win32_directx11.exe /FoDebug/ /link /LIBPATH:"%DXSDK_DIR%/Lib/x86" d3d11.lib d3dcompiler.lib + diff --git a/imgui-submodule/imgui/examples/example_win32_directx11/main.cpp b/imgui-submodule/imgui/examples/example_win32_directx11/main.cpp new file mode 100644 index 0000000..05de743 --- /dev/null +++ b/imgui-submodule/imgui/examples/example_win32_directx11/main.cpp @@ -0,0 +1,242 @@ +// dear imgui - standalone example application for DirectX 11 +// If you are new to dear imgui, see examples/README.txt and documentation at the top of imgui.cpp. + +#include "imgui.h" +#include "imgui_impl_win32.h" +#include "imgui_impl_dx11.h" +#include +#define DIRECTINPUT_VERSION 0x0800 +#include +#include + +// Data +static ID3D11Device* g_pd3dDevice = NULL; +static ID3D11DeviceContext* g_pd3dDeviceContext = NULL; +static IDXGISwapChain* g_pSwapChain = NULL; +static ID3D11RenderTargetView* g_mainRenderTargetView = NULL; + +// Forward declarations of helper functions +bool CreateDeviceD3D(HWND hWnd); +void CleanupDeviceD3D(); +void CreateRenderTarget(); +void CleanupRenderTarget(); +LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam); + +// Main code +int main(int, char**) +{ + // Create application window + WNDCLASSEX wc = { sizeof(WNDCLASSEX), CS_CLASSDC, WndProc, 0L, 0L, GetModuleHandle(NULL), NULL, NULL, NULL, NULL, _T("ImGui Example"), NULL }; + ::RegisterClassEx(&wc); + HWND hwnd = ::CreateWindow(wc.lpszClassName, _T("Dear ImGui DirectX11 Example"), WS_OVERLAPPEDWINDOW, 100, 100, 1280, 800, NULL, NULL, wc.hInstance, NULL); + + // Initialize Direct3D + if (!CreateDeviceD3D(hwnd)) + { + CleanupDeviceD3D(); + ::UnregisterClass(wc.lpszClassName, wc.hInstance); + return 1; + } + + // Show the window + ::ShowWindow(hwnd, SW_SHOWDEFAULT); + ::UpdateWindow(hwnd); + + // Setup Dear ImGui context + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + //io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + //io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls + + // Setup Dear ImGui style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsClassic(); + + // Setup Platform/Renderer bindings + ImGui_ImplWin32_Init(hwnd); + ImGui_ImplDX11_Init(g_pd3dDevice, g_pd3dDeviceContext); + + // Load Fonts + // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. + // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. + // - If the file cannot be loaded, the function will return NULL. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. + // - Read 'docs/FONTS.txt' for more instructions and details. + // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! + //io.Fonts->AddFontDefault(); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/ProggyTiny.ttf", 10.0f); + //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, NULL, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != NULL); + + // Our state + bool show_demo_window = true; + bool show_another_window = false; + ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f); + + // Main loop + MSG msg; + ZeroMemory(&msg, sizeof(msg)); + while (msg.message != WM_QUIT) + { + // Poll and handle messages (inputs, window resize, etc.) + // You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. + // - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application. + // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. + // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. + if (::PeekMessage(&msg, NULL, 0U, 0U, PM_REMOVE)) + { + ::TranslateMessage(&msg); + ::DispatchMessage(&msg); + continue; + } + + // Start the Dear ImGui frame + ImGui_ImplDX11_NewFrame(); + ImGui_ImplWin32_NewFrame(); + ImGui::NewFrame(); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to created a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / ImGui::GetIO().Framerate, ImGui::GetIO().Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + ImGui::Render(); + g_pd3dDeviceContext->OMSetRenderTargets(1, &g_mainRenderTargetView, NULL); + g_pd3dDeviceContext->ClearRenderTargetView(g_mainRenderTargetView, (float*)&clear_color); + ImGui_ImplDX11_RenderDrawData(ImGui::GetDrawData()); + + g_pSwapChain->Present(1, 0); // Present with vsync + //g_pSwapChain->Present(0, 0); // Present without vsync + } + + // Cleanup + ImGui_ImplDX11_Shutdown(); + ImGui_ImplWin32_Shutdown(); + ImGui::DestroyContext(); + + CleanupDeviceD3D(); + ::DestroyWindow(hwnd); + ::UnregisterClass(wc.lpszClassName, wc.hInstance); + + return 0; +} + +// Helper functions + +bool CreateDeviceD3D(HWND hWnd) +{ + // Setup swap chain + DXGI_SWAP_CHAIN_DESC sd; + ZeroMemory(&sd, sizeof(sd)); + sd.BufferCount = 2; + sd.BufferDesc.Width = 0; + sd.BufferDesc.Height = 0; + sd.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM; + sd.BufferDesc.RefreshRate.Numerator = 60; + sd.BufferDesc.RefreshRate.Denominator = 1; + sd.Flags = DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH; + sd.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT; + sd.OutputWindow = hWnd; + sd.SampleDesc.Count = 1; + sd.SampleDesc.Quality = 0; + sd.Windowed = TRUE; + sd.SwapEffect = DXGI_SWAP_EFFECT_DISCARD; + + UINT createDeviceFlags = 0; + //createDeviceFlags |= D3D11_CREATE_DEVICE_DEBUG; + D3D_FEATURE_LEVEL featureLevel; + const D3D_FEATURE_LEVEL featureLevelArray[2] = { D3D_FEATURE_LEVEL_11_0, D3D_FEATURE_LEVEL_10_0, }; + if (D3D11CreateDeviceAndSwapChain(NULL, D3D_DRIVER_TYPE_HARDWARE, NULL, createDeviceFlags, featureLevelArray, 2, D3D11_SDK_VERSION, &sd, &g_pSwapChain, &g_pd3dDevice, &featureLevel, &g_pd3dDeviceContext) != S_OK) + return false; + + CreateRenderTarget(); + return true; +} + +void CleanupDeviceD3D() +{ + CleanupRenderTarget(); + if (g_pSwapChain) { g_pSwapChain->Release(); g_pSwapChain = NULL; } + if (g_pd3dDeviceContext) { g_pd3dDeviceContext->Release(); g_pd3dDeviceContext = NULL; } + if (g_pd3dDevice) { g_pd3dDevice->Release(); g_pd3dDevice = NULL; } +} + +void CreateRenderTarget() +{ + ID3D11Texture2D* pBackBuffer; + g_pSwapChain->GetBuffer(0, IID_PPV_ARGS(&pBackBuffer)); + g_pd3dDevice->CreateRenderTargetView(pBackBuffer, NULL, &g_mainRenderTargetView); + pBackBuffer->Release(); +} + +void CleanupRenderTarget() +{ + if (g_mainRenderTargetView) { g_mainRenderTargetView->Release(); g_mainRenderTargetView = NULL; } +} + +// Forward declare message handler from imgui_impl_win32.cpp +extern IMGUI_IMPL_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam); + +// Win32 message handler +LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) +{ + if (ImGui_ImplWin32_WndProcHandler(hWnd, msg, wParam, lParam)) + return true; + + switch (msg) + { + case WM_SIZE: + if (g_pd3dDevice != NULL && wParam != SIZE_MINIMIZED) + { + CleanupRenderTarget(); + g_pSwapChain->ResizeBuffers(0, (UINT)LOWORD(lParam), (UINT)HIWORD(lParam), DXGI_FORMAT_UNKNOWN, 0); + CreateRenderTarget(); + } + return 0; + case WM_SYSCOMMAND: + if ((wParam & 0xfff0) == SC_KEYMENU) // Disable ALT application menu + return 0; + break; + case WM_DESTROY: + ::PostQuitMessage(0); + return 0; + } + return ::DefWindowProc(hWnd, msg, wParam, lParam); +} diff --git a/imgui-submodule/imgui/examples/example_win32_directx12/build_win32.bat b/imgui-submodule/imgui/examples/example_win32_directx12/build_win32.bat new file mode 100644 index 0000000..2cd7fcd --- /dev/null +++ b/imgui-submodule/imgui/examples/example_win32_directx12/build_win32.bat @@ -0,0 +1,4 @@ +@REM Build for Visual Studio compiler. Run your copy of vcvars32.bat or vcvarsall.bat to setup command-line compiler. +mkdir Debug +cl /nologo /Zi /MD /I .. /I ..\.. /I "%WindowsSdkDir%Include\um" /I "%WindowsSdkDir%Include\shared" /D UNICODE /D _UNICODE *.cpp ..\imgui_impl_dx12.cpp ..\imgui_impl_win32.cpp ..\..\imgui*.cpp /FeDebug/example_win32_directx12.exe /FoDebug/ /link d3d12.lib d3dcompiler.lib dxgi.lib + diff --git a/imgui-submodule/imgui/examples/example_win32_directx12/main.cpp b/imgui-submodule/imgui/examples/example_win32_directx12/main.cpp new file mode 100644 index 0000000..139dea6 --- /dev/null +++ b/imgui-submodule/imgui/examples/example_win32_directx12/main.cpp @@ -0,0 +1,460 @@ +// dear imgui: standalone example application for DirectX 12 +// If you are new to dear imgui, see examples/README.txt and documentation at the top of imgui.cpp. +// FIXME: 64-bit only for now! (Because sizeof(ImTextureId) == sizeof(void*)) + +#include "imgui.h" +#include "imgui_impl_win32.h" +#include "imgui_impl_dx12.h" +#include +#include +#include + +//#define DX12_ENABLE_DEBUG_LAYER + +#ifdef DX12_ENABLE_DEBUG_LAYER +#include +#pragma comment(lib, "dxguid.lib") +#endif + +struct FrameContext +{ + ID3D12CommandAllocator* CommandAllocator; + UINT64 FenceValue; +}; + +// Data +static int const NUM_FRAMES_IN_FLIGHT = 3; +static FrameContext g_frameContext[NUM_FRAMES_IN_FLIGHT] = {}; +static UINT g_frameIndex = 0; + +static int const NUM_BACK_BUFFERS = 3; +static ID3D12Device* g_pd3dDevice = NULL; +static ID3D12DescriptorHeap* g_pd3dRtvDescHeap = NULL; +static ID3D12DescriptorHeap* g_pd3dSrvDescHeap = NULL; +static ID3D12CommandQueue* g_pd3dCommandQueue = NULL; +static ID3D12GraphicsCommandList* g_pd3dCommandList = NULL; +static ID3D12Fence* g_fence = NULL; +static HANDLE g_fenceEvent = NULL; +static UINT64 g_fenceLastSignaledValue = 0; +static IDXGISwapChain3* g_pSwapChain = NULL; +static HANDLE g_hSwapChainWaitableObject = NULL; +static ID3D12Resource* g_mainRenderTargetResource[NUM_BACK_BUFFERS] = {}; +static D3D12_CPU_DESCRIPTOR_HANDLE g_mainRenderTargetDescriptor[NUM_BACK_BUFFERS] = {}; + +// Forward declarations of helper functions +bool CreateDeviceD3D(HWND hWnd); +void CleanupDeviceD3D(); +void CreateRenderTarget(); +void CleanupRenderTarget(); +void WaitForLastSubmittedFrame(); +FrameContext* WaitForNextFrameResources(); +void ResizeSwapChain(HWND hWnd, int width, int height); +LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam); + +// Main code +int main(int, char**) +{ + // Create application window + WNDCLASSEX wc = { sizeof(WNDCLASSEX), CS_CLASSDC, WndProc, 0L, 0L, GetModuleHandle(NULL), NULL, NULL, NULL, NULL, _T("ImGui Example"), NULL }; + ::RegisterClassEx(&wc); + HWND hwnd = ::CreateWindow(wc.lpszClassName, _T("Dear ImGui DirectX12 Example"), WS_OVERLAPPEDWINDOW, 100, 100, 1280, 800, NULL, NULL, wc.hInstance, NULL); + + // Initialize Direct3D + if (!CreateDeviceD3D(hwnd)) + { + CleanupDeviceD3D(); + ::UnregisterClass(wc.lpszClassName, wc.hInstance); + return 1; + } + + // Show the window + ::ShowWindow(hwnd, SW_SHOWDEFAULT); + ::UpdateWindow(hwnd); + + // Setup Dear ImGui context + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + //io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + //io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls + + // Setup Dear ImGui style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsClassic(); + + // Setup Platform/Renderer bindings + ImGui_ImplWin32_Init(hwnd); + ImGui_ImplDX12_Init(g_pd3dDevice, NUM_FRAMES_IN_FLIGHT, + DXGI_FORMAT_R8G8B8A8_UNORM, g_pd3dSrvDescHeap, + g_pd3dSrvDescHeap->GetCPUDescriptorHandleForHeapStart(), + g_pd3dSrvDescHeap->GetGPUDescriptorHandleForHeapStart()); + + // Load Fonts + // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. + // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. + // - If the file cannot be loaded, the function will return NULL. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. + // - Read 'docs/FONTS.txt' for more instructions and details. + // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! + //io.Fonts->AddFontDefault(); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/ProggyTiny.ttf", 10.0f); + //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, NULL, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != NULL); + + // Our state + bool show_demo_window = true; + bool show_another_window = false; + ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f); + + // Main loop + MSG msg; + ZeroMemory(&msg, sizeof(msg)); + while (msg.message != WM_QUIT) + { + // Poll and handle messages (inputs, window resize, etc.) + // You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. + // - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application. + // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. + // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. + if (::PeekMessage(&msg, NULL, 0U, 0U, PM_REMOVE)) + { + ::TranslateMessage(&msg); + ::DispatchMessage(&msg); + continue; + } + + // Start the Dear ImGui frame + ImGui_ImplDX12_NewFrame(); + ImGui_ImplWin32_NewFrame(); + ImGui::NewFrame(); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to created a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / ImGui::GetIO().Framerate, ImGui::GetIO().Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + FrameContext* frameCtxt = WaitForNextFrameResources(); + UINT backBufferIdx = g_pSwapChain->GetCurrentBackBufferIndex(); + frameCtxt->CommandAllocator->Reset(); + + D3D12_RESOURCE_BARRIER barrier = {}; + barrier.Type = D3D12_RESOURCE_BARRIER_TYPE_TRANSITION; + barrier.Flags = D3D12_RESOURCE_BARRIER_FLAG_NONE; + barrier.Transition.pResource = g_mainRenderTargetResource[backBufferIdx]; + barrier.Transition.Subresource = D3D12_RESOURCE_BARRIER_ALL_SUBRESOURCES; + barrier.Transition.StateBefore = D3D12_RESOURCE_STATE_PRESENT; + barrier.Transition.StateAfter = D3D12_RESOURCE_STATE_RENDER_TARGET; + + g_pd3dCommandList->Reset(frameCtxt->CommandAllocator, NULL); + g_pd3dCommandList->ResourceBarrier(1, &barrier); + g_pd3dCommandList->ClearRenderTargetView(g_mainRenderTargetDescriptor[backBufferIdx], (float*)&clear_color, 0, NULL); + g_pd3dCommandList->OMSetRenderTargets(1, &g_mainRenderTargetDescriptor[backBufferIdx], FALSE, NULL); + g_pd3dCommandList->SetDescriptorHeaps(1, &g_pd3dSrvDescHeap); + ImGui::Render(); + ImGui_ImplDX12_RenderDrawData(ImGui::GetDrawData(), g_pd3dCommandList); + barrier.Transition.StateBefore = D3D12_RESOURCE_STATE_RENDER_TARGET; + barrier.Transition.StateAfter = D3D12_RESOURCE_STATE_PRESENT; + g_pd3dCommandList->ResourceBarrier(1, &barrier); + g_pd3dCommandList->Close(); + + g_pd3dCommandQueue->ExecuteCommandLists(1, (ID3D12CommandList* const*)&g_pd3dCommandList); + + g_pSwapChain->Present(1, 0); // Present with vsync + //g_pSwapChain->Present(0, 0); // Present without vsync + + UINT64 fenceValue = g_fenceLastSignaledValue + 1; + g_pd3dCommandQueue->Signal(g_fence, fenceValue); + g_fenceLastSignaledValue = fenceValue; + frameCtxt->FenceValue = fenceValue; + } + + WaitForLastSubmittedFrame(); + ImGui_ImplDX12_Shutdown(); + ImGui_ImplWin32_Shutdown(); + ImGui::DestroyContext(); + + CleanupDeviceD3D(); + ::DestroyWindow(hwnd); + ::UnregisterClass(wc.lpszClassName, wc.hInstance); + + return 0; +} + +// Helper functions + +bool CreateDeviceD3D(HWND hWnd) +{ + // Setup swap chain + DXGI_SWAP_CHAIN_DESC1 sd; + { + ZeroMemory(&sd, sizeof(sd)); + sd.BufferCount = NUM_BACK_BUFFERS; + sd.Width = 0; + sd.Height = 0; + sd.Format = DXGI_FORMAT_R8G8B8A8_UNORM; + sd.Flags = DXGI_SWAP_CHAIN_FLAG_FRAME_LATENCY_WAITABLE_OBJECT; + sd.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT; + sd.SampleDesc.Count = 1; + sd.SampleDesc.Quality = 0; + sd.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD; + sd.AlphaMode = DXGI_ALPHA_MODE_UNSPECIFIED; + sd.Scaling = DXGI_SCALING_STRETCH; + sd.Stereo = FALSE; + } + +#ifdef DX12_ENABLE_DEBUG_LAYER + ID3D12Debug* pdx12Debug = NULL; + if (SUCCEEDED(D3D12GetDebugInterface(IID_PPV_ARGS(&pdx12Debug)))) + { + pdx12Debug->EnableDebugLayer(); + pdx12Debug->Release(); + } +#endif + + D3D_FEATURE_LEVEL featureLevel = D3D_FEATURE_LEVEL_11_0; + if (D3D12CreateDevice(NULL, featureLevel, IID_PPV_ARGS(&g_pd3dDevice)) != S_OK) + return false; + + { + D3D12_DESCRIPTOR_HEAP_DESC desc = {}; + desc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_RTV; + desc.NumDescriptors = NUM_BACK_BUFFERS; + desc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_NONE; + desc.NodeMask = 1; + if (g_pd3dDevice->CreateDescriptorHeap(&desc, IID_PPV_ARGS(&g_pd3dRtvDescHeap)) != S_OK) + return false; + + SIZE_T rtvDescriptorSize = g_pd3dDevice->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_RTV); + D3D12_CPU_DESCRIPTOR_HANDLE rtvHandle = g_pd3dRtvDescHeap->GetCPUDescriptorHandleForHeapStart(); + for (UINT i = 0; i < NUM_BACK_BUFFERS; i++) + { + g_mainRenderTargetDescriptor[i] = rtvHandle; + rtvHandle.ptr += rtvDescriptorSize; + } + } + + { + D3D12_DESCRIPTOR_HEAP_DESC desc = {}; + desc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV; + desc.NumDescriptors = 1; + desc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_SHADER_VISIBLE; + if (g_pd3dDevice->CreateDescriptorHeap(&desc, IID_PPV_ARGS(&g_pd3dSrvDescHeap)) != S_OK) + return false; + } + + { + D3D12_COMMAND_QUEUE_DESC desc = {}; + desc.Type = D3D12_COMMAND_LIST_TYPE_DIRECT; + desc.Flags = D3D12_COMMAND_QUEUE_FLAG_NONE; + desc.NodeMask = 1; + if (g_pd3dDevice->CreateCommandQueue(&desc, IID_PPV_ARGS(&g_pd3dCommandQueue)) != S_OK) + return false; + } + + for (UINT i = 0; i < NUM_FRAMES_IN_FLIGHT; i++) + if (g_pd3dDevice->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_DIRECT, IID_PPV_ARGS(&g_frameContext[i].CommandAllocator)) != S_OK) + return false; + + if (g_pd3dDevice->CreateCommandList(0, D3D12_COMMAND_LIST_TYPE_DIRECT, g_frameContext[0].CommandAllocator, NULL, IID_PPV_ARGS(&g_pd3dCommandList)) != S_OK || + g_pd3dCommandList->Close() != S_OK) + return false; + + if (g_pd3dDevice->CreateFence(0, D3D12_FENCE_FLAG_NONE, IID_PPV_ARGS(&g_fence)) != S_OK) + return false; + + g_fenceEvent = CreateEvent(NULL, FALSE, FALSE, NULL); + if (g_fenceEvent == NULL) + return false; + + { + IDXGIFactory4* dxgiFactory = NULL; + IDXGISwapChain1* swapChain1 = NULL; + if (CreateDXGIFactory1(IID_PPV_ARGS(&dxgiFactory)) != S_OK || + dxgiFactory->CreateSwapChainForHwnd(g_pd3dCommandQueue, hWnd, &sd, NULL, NULL, &swapChain1) != S_OK || + swapChain1->QueryInterface(IID_PPV_ARGS(&g_pSwapChain)) != S_OK) + return false; + swapChain1->Release(); + dxgiFactory->Release(); + g_pSwapChain->SetMaximumFrameLatency(NUM_BACK_BUFFERS); + g_hSwapChainWaitableObject = g_pSwapChain->GetFrameLatencyWaitableObject(); + } + + CreateRenderTarget(); + return true; +} + +void CleanupDeviceD3D() +{ + CleanupRenderTarget(); + if (g_pSwapChain) { g_pSwapChain->Release(); g_pSwapChain = NULL; } + if (g_hSwapChainWaitableObject != NULL) { CloseHandle(g_hSwapChainWaitableObject); } + for (UINT i = 0; i < NUM_FRAMES_IN_FLIGHT; i++) + if (g_frameContext[i].CommandAllocator) { g_frameContext[i].CommandAllocator->Release(); g_frameContext[i].CommandAllocator = NULL; } + if (g_pd3dCommandQueue) { g_pd3dCommandQueue->Release(); g_pd3dCommandQueue = NULL; } + if (g_pd3dCommandList) { g_pd3dCommandList->Release(); g_pd3dCommandList = NULL; } + if (g_pd3dRtvDescHeap) { g_pd3dRtvDescHeap->Release(); g_pd3dRtvDescHeap = NULL; } + if (g_pd3dSrvDescHeap) { g_pd3dSrvDescHeap->Release(); g_pd3dSrvDescHeap = NULL; } + if (g_fence) { g_fence->Release(); g_fence = NULL; } + if (g_fenceEvent) { CloseHandle(g_fenceEvent); g_fenceEvent = NULL; } + if (g_pd3dDevice) { g_pd3dDevice->Release(); g_pd3dDevice = NULL; } + +#ifdef DX12_ENABLE_DEBUG_LAYER + IDXGIDebug1* pDebug = NULL; + if (SUCCEEDED(DXGIGetDebugInterface1(0, IID_PPV_ARGS(&pDebug)))) + { + pDebug->ReportLiveObjects(DXGI_DEBUG_ALL, DXGI_DEBUG_RLO_SUMMARY); + pDebug->Release(); + } +#endif +} + +void CreateRenderTarget() +{ + for (UINT i = 0; i < NUM_BACK_BUFFERS; i++) + { + ID3D12Resource* pBackBuffer = NULL; + g_pSwapChain->GetBuffer(i, IID_PPV_ARGS(&pBackBuffer)); + g_pd3dDevice->CreateRenderTargetView(pBackBuffer, NULL, g_mainRenderTargetDescriptor[i]); + g_mainRenderTargetResource[i] = pBackBuffer; + } +} + +void CleanupRenderTarget() +{ + WaitForLastSubmittedFrame(); + + for (UINT i = 0; i < NUM_BACK_BUFFERS; i++) + if (g_mainRenderTargetResource[i]) { g_mainRenderTargetResource[i]->Release(); g_mainRenderTargetResource[i] = NULL; } +} + +void WaitForLastSubmittedFrame() +{ + FrameContext* frameCtxt = &g_frameContext[g_frameIndex % NUM_FRAMES_IN_FLIGHT]; + + UINT64 fenceValue = frameCtxt->FenceValue; + if (fenceValue == 0) + return; // No fence was signaled + + frameCtxt->FenceValue = 0; + if (g_fence->GetCompletedValue() >= fenceValue) + return; + + g_fence->SetEventOnCompletion(fenceValue, g_fenceEvent); + WaitForSingleObject(g_fenceEvent, INFINITE); +} + +FrameContext* WaitForNextFrameResources() +{ + UINT nextFrameIndex = g_frameIndex + 1; + g_frameIndex = nextFrameIndex; + + HANDLE waitableObjects[] = { g_hSwapChainWaitableObject, NULL }; + DWORD numWaitableObjects = 1; + + FrameContext* frameCtxt = &g_frameContext[nextFrameIndex % NUM_FRAMES_IN_FLIGHT]; + UINT64 fenceValue = frameCtxt->FenceValue; + if (fenceValue != 0) // means no fence was signaled + { + frameCtxt->FenceValue = 0; + g_fence->SetEventOnCompletion(fenceValue, g_fenceEvent); + waitableObjects[1] = g_fenceEvent; + numWaitableObjects = 2; + } + + WaitForMultipleObjects(numWaitableObjects, waitableObjects, TRUE, INFINITE); + + return frameCtxt; +} + +void ResizeSwapChain(HWND hWnd, int width, int height) +{ + DXGI_SWAP_CHAIN_DESC1 sd; + g_pSwapChain->GetDesc1(&sd); + sd.Width = width; + sd.Height = height; + + IDXGIFactory4* dxgiFactory = NULL; + g_pSwapChain->GetParent(IID_PPV_ARGS(&dxgiFactory)); + + g_pSwapChain->Release(); + CloseHandle(g_hSwapChainWaitableObject); + + IDXGISwapChain1* swapChain1 = NULL; + dxgiFactory->CreateSwapChainForHwnd(g_pd3dCommandQueue, hWnd, &sd, NULL, NULL, &swapChain1); + swapChain1->QueryInterface(IID_PPV_ARGS(&g_pSwapChain)); + swapChain1->Release(); + dxgiFactory->Release(); + + g_pSwapChain->SetMaximumFrameLatency(NUM_BACK_BUFFERS); + + g_hSwapChainWaitableObject = g_pSwapChain->GetFrameLatencyWaitableObject(); + assert(g_hSwapChainWaitableObject != NULL); +} + +// Forward declare message handler from imgui_impl_win32.cpp +extern IMGUI_IMPL_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam); + +// Win32 message handler +LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) +{ + if (ImGui_ImplWin32_WndProcHandler(hWnd, msg, wParam, lParam)) + return true; + + switch (msg) + { + case WM_SIZE: + if (g_pd3dDevice != NULL && wParam != SIZE_MINIMIZED) + { + ImGui_ImplDX12_InvalidateDeviceObjects(); + CleanupRenderTarget(); + ResizeSwapChain(hWnd, (UINT)LOWORD(lParam), (UINT)HIWORD(lParam)); + CreateRenderTarget(); + ImGui_ImplDX12_CreateDeviceObjects(); + } + return 0; + case WM_SYSCOMMAND: + if ((wParam & 0xfff0) == SC_KEYMENU) // Disable ALT application menu + return 0; + break; + case WM_DESTROY: + ::PostQuitMessage(0); + return 0; + } + return ::DefWindowProc(hWnd, msg, wParam, lParam); +} diff --git a/imgui-submodule/imgui/examples/example_win32_directx9/build_win32.bat b/imgui-submodule/imgui/examples/example_win32_directx9/build_win32.bat new file mode 100644 index 0000000..4db2765 --- /dev/null +++ b/imgui-submodule/imgui/examples/example_win32_directx9/build_win32.bat @@ -0,0 +1,3 @@ +@REM Build for Visual Studio compiler. Run your copy of vcvars32.bat or vcvarsall.bat to setup command-line compiler. +mkdir Debug +cl /nologo /Zi /MD /I .. /I ..\.. /I "%DXSDK_DIR%/Include" /D UNICODE /D _UNICODE *.cpp ..\imgui_impl_dx9.cpp ..\imgui_impl_win32.cpp ..\..\imgui*.cpp /FeDebug/example_win32_directx9.exe /FoDebug/ /link /LIBPATH:"%DXSDK_DIR%/Lib/x86" d3d9.lib diff --git a/imgui-submodule/imgui/examples/example_win32_directx9/main.cpp b/imgui-submodule/imgui/examples/example_win32_directx9/main.cpp new file mode 100644 index 0000000..3312362 --- /dev/null +++ b/imgui-submodule/imgui/examples/example_win32_directx9/main.cpp @@ -0,0 +1,233 @@ +// dear imgui: standalone example application for DirectX 9 +// If you are new to dear imgui, see examples/README.txt and documentation at the top of imgui.cpp. + +#include "imgui.h" +#include "imgui_impl_dx9.h" +#include "imgui_impl_win32.h" +#include +#define DIRECTINPUT_VERSION 0x0800 +#include +#include + +// Data +static LPDIRECT3D9 g_pD3D = NULL; +static LPDIRECT3DDEVICE9 g_pd3dDevice = NULL; +static D3DPRESENT_PARAMETERS g_d3dpp = {}; + +// Forward declarations of helper functions +bool CreateDeviceD3D(HWND hWnd); +void CleanupDeviceD3D(); +void ResetDevice(); +LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam); + +// Main code +int main(int, char**) +{ + // Create application window + WNDCLASSEX wc = { sizeof(WNDCLASSEX), CS_CLASSDC, WndProc, 0L, 0L, GetModuleHandle(NULL), NULL, NULL, NULL, NULL, _T("ImGui Example"), NULL }; + ::RegisterClassEx(&wc); + HWND hwnd = ::CreateWindow(wc.lpszClassName, _T("Dear ImGui DirectX9 Example"), WS_OVERLAPPEDWINDOW, 100, 100, 1280, 800, NULL, NULL, wc.hInstance, NULL); + + // Initialize Direct3D + if (!CreateDeviceD3D(hwnd)) + { + CleanupDeviceD3D(); + ::UnregisterClass(wc.lpszClassName, wc.hInstance); + return 1; + } + + // Show the window + ::ShowWindow(hwnd, SW_SHOWDEFAULT); + ::UpdateWindow(hwnd); + + // Setup Dear ImGui context + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + //io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + //io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls + + // Setup Dear ImGui style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsClassic(); + + // Setup Platform/Renderer bindings + ImGui_ImplWin32_Init(hwnd); + ImGui_ImplDX9_Init(g_pd3dDevice); + + // Load Fonts + // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. + // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. + // - If the file cannot be loaded, the function will return NULL. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). + // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. + // - Read 'docs/FONTS.txt' for more instructions and details. + // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! + //io.Fonts->AddFontDefault(); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f); + //io.Fonts->AddFontFromFileTTF("../../misc/fonts/ProggyTiny.ttf", 10.0f); + //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, NULL, io.Fonts->GetGlyphRangesJapanese()); + //IM_ASSERT(font != NULL); + + // Our state + bool show_demo_window = true; + bool show_another_window = false; + ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f); + + // Main loop + MSG msg; + ZeroMemory(&msg, sizeof(msg)); + while (msg.message != WM_QUIT) + { + // Poll and handle messages (inputs, window resize, etc.) + // You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. + // - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application. + // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. + // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. + if (::PeekMessage(&msg, NULL, 0U, 0U, PM_REMOVE)) + { + ::TranslateMessage(&msg); + ::DispatchMessage(&msg); + continue; + } + + // Start the Dear ImGui frame + ImGui_ImplDX9_NewFrame(); + ImGui_ImplWin32_NewFrame(); + ImGui::NewFrame(); + + // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). + if (show_demo_window) + ImGui::ShowDemoWindow(&show_demo_window); + + // 2. Show a simple window that we create ourselves. We use a Begin/End pair to created a named window. + { + static float f = 0.0f; + static int counter = 0; + + ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. + + ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) + ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state + ImGui::Checkbox("Another Window", &show_another_window); + + ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f + ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color + + if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) + counter++; + ImGui::SameLine(); + ImGui::Text("counter = %d", counter); + + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / ImGui::GetIO().Framerate, ImGui::GetIO().Framerate); + ImGui::End(); + } + + // 3. Show another simple window. + if (show_another_window) + { + ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) + ImGui::Text("Hello from another window!"); + if (ImGui::Button("Close Me")) + show_another_window = false; + ImGui::End(); + } + + // Rendering + ImGui::EndFrame(); + g_pd3dDevice->SetRenderState(D3DRS_ZENABLE, FALSE); + g_pd3dDevice->SetRenderState(D3DRS_ALPHABLENDENABLE, FALSE); + g_pd3dDevice->SetRenderState(D3DRS_SCISSORTESTENABLE, FALSE); + D3DCOLOR clear_col_dx = D3DCOLOR_RGBA((int)(clear_color.x*255.0f), (int)(clear_color.y*255.0f), (int)(clear_color.z*255.0f), (int)(clear_color.w*255.0f)); + g_pd3dDevice->Clear(0, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, clear_col_dx, 1.0f, 0); + if (g_pd3dDevice->BeginScene() >= 0) + { + ImGui::Render(); + ImGui_ImplDX9_RenderDrawData(ImGui::GetDrawData()); + g_pd3dDevice->EndScene(); + } + HRESULT result = g_pd3dDevice->Present(NULL, NULL, NULL, NULL); + + // Handle loss of D3D9 device + if (result == D3DERR_DEVICELOST && g_pd3dDevice->TestCooperativeLevel() == D3DERR_DEVICENOTRESET) + ResetDevice(); + } + + ImGui_ImplDX9_Shutdown(); + ImGui_ImplWin32_Shutdown(); + ImGui::DestroyContext(); + + CleanupDeviceD3D(); + ::DestroyWindow(hwnd); + ::UnregisterClass(wc.lpszClassName, wc.hInstance); + + return 0; +} + +// Helper functions + +bool CreateDeviceD3D(HWND hWnd) +{ + if ((g_pD3D = Direct3DCreate9(D3D_SDK_VERSION)) == NULL) + return false; + + // Create the D3DDevice + ZeroMemory(&g_d3dpp, sizeof(g_d3dpp)); + g_d3dpp.Windowed = TRUE; + g_d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD; + g_d3dpp.BackBufferFormat = D3DFMT_UNKNOWN; + g_d3dpp.EnableAutoDepthStencil = TRUE; + g_d3dpp.AutoDepthStencilFormat = D3DFMT_D16; + g_d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_ONE; // Present with vsync + //g_d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_IMMEDIATE; // Present without vsync, maximum unthrottled framerate + if (g_pD3D->CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, hWnd, D3DCREATE_HARDWARE_VERTEXPROCESSING, &g_d3dpp, &g_pd3dDevice) < 0) + return false; + + return true; +} + +void CleanupDeviceD3D() +{ + if (g_pd3dDevice) { g_pd3dDevice->Release(); g_pd3dDevice = NULL; } + if (g_pD3D) { g_pD3D->Release(); g_pD3D = NULL; } +} + +void ResetDevice() +{ + ImGui_ImplDX9_InvalidateDeviceObjects(); + HRESULT hr = g_pd3dDevice->Reset(&g_d3dpp); + if (hr == D3DERR_INVALIDCALL) + IM_ASSERT(0); + ImGui_ImplDX9_CreateDeviceObjects(); +} + +// Forward declare message handler from imgui_impl_win32.cpp +extern IMGUI_IMPL_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam); + +// Win32 message handler +LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) +{ + if (ImGui_ImplWin32_WndProcHandler(hWnd, msg, wParam, lParam)) + return true; + + switch (msg) + { + case WM_SIZE: + if (g_pd3dDevice != NULL && wParam != SIZE_MINIMIZED) + { + g_d3dpp.BackBufferWidth = LOWORD(lParam); + g_d3dpp.BackBufferHeight = HIWORD(lParam); + ResetDevice(); + } + return 0; + case WM_SYSCOMMAND: + if ((wParam & 0xfff0) == SC_KEYMENU) // Disable ALT application menu + return 0; + break; + case WM_DESTROY: + ::PostQuitMessage(0); + return 0; + } + return ::DefWindowProc(hWnd, msg, wParam, lParam); +} diff --git a/imgui-submodule/imgui/examples/imgui_impl_allegro5.cpp b/imgui-submodule/imgui/examples/imgui_impl_allegro5.cpp new file mode 100644 index 0000000..76f74a3 --- /dev/null +++ b/imgui-submodule/imgui/examples/imgui_impl_allegro5.cpp @@ -0,0 +1,427 @@ +// dear imgui: Renderer + Platform Binding for Allegro 5 +// (Info: Allegro 5 is a cross-platform general purpose library for handling windows, inputs, graphics, etc.) + +// Implemented features: +// [X] Renderer: User texture binding. Use 'ALLEGRO_BITMAP*' as ImTextureID. Read the FAQ about ImTextureID! +// [X] Platform: Clipboard support (from Allegro 5.1.12) +// [X] Platform: Mouse cursor shape and visibility. Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange'. +// Issues: +// [ ] Renderer: The renderer is suboptimal as we need to unindex our buffers and convert vertices manually. +// [ ] Platform: Missing gamepad support. + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui, Original Allegro 5 code by @birthggd + +// CHANGELOG +// (minor and older changes stripped away, please see git history for details) +// 2019-12-05: Inputs: Added support for ImGuiMouseCursor_NotAllowed mouse cursor. +// 2019-07-21: Inputs: Added mapping for ImGuiKey_KeyPadEnter. +// 2019-05-11: Inputs: Don't filter character value from ALLEGRO_EVENT_KEY_CHAR before calling AddInputCharacter(). +// 2019-04-30: Renderer: Added support for special ImDrawCallback_ResetRenderState callback to reset render state. +// 2018-11-30: Platform: Added touchscreen support. +// 2018-11-30: Misc: Setting up io.BackendPlatformName/io.BackendRendererName so they can be displayed in the About Window. +// 2018-06-13: Platform: Added clipboard support (from Allegro 5.1.12). +// 2018-06-13: Renderer: Use draw_data->DisplayPos and draw_data->DisplaySize to setup projection matrix and clipping rectangle. +// 2018-06-13: Renderer: Backup/restore transform and clipping rectangle. +// 2018-06-11: Misc: Setup io.BackendFlags ImGuiBackendFlags_HasMouseCursors flag + honor ImGuiConfigFlags_NoMouseCursorChange flag. +// 2018-04-18: Misc: Renamed file from imgui_impl_a5.cpp to imgui_impl_allegro5.cpp. +// 2018-04-18: Misc: Added support for 32-bit vertex indices to avoid conversion at runtime. Added imconfig_allegro5.h to enforce 32-bit indices when included from imgui.h. +// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback and exposed ImGui_ImplAllegro5_RenderDrawData() in the .h file so you can call it yourself. +// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. +// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. + +#include // uint64_t +#include // memcpy +#include "imgui.h" +#include "imgui_impl_allegro5.h" + +// Allegro +#include +#include +#ifdef _WIN32 +#include +#endif +#define ALLEGRO_HAS_CLIPBOARD (ALLEGRO_VERSION_INT >= ((5 << 24) | (1 << 16) | (12 << 8))) // Clipboard only supported from Allegro 5.1.12 + +// Visual Studio warnings +#ifdef _MSC_VER +#pragma warning (disable: 4127) // condition expression is constant +#endif + +// Data +static ALLEGRO_DISPLAY* g_Display = NULL; +static ALLEGRO_BITMAP* g_Texture = NULL; +static double g_Time = 0.0; +static ALLEGRO_MOUSE_CURSOR* g_MouseCursorInvisible = NULL; +static ALLEGRO_VERTEX_DECL* g_VertexDecl = NULL; +static char* g_ClipboardTextData = NULL; + +struct ImDrawVertAllegro +{ + ImVec2 pos; + ImVec2 uv; + ALLEGRO_COLOR col; +}; + +static void ImGui_ImplAllegro5_SetupRenderState(ImDrawData* draw_data) +{ + // Setup blending + al_set_blender(ALLEGRO_ADD, ALLEGRO_ALPHA, ALLEGRO_INVERSE_ALPHA); + + // Setup orthographic projection matrix + // Our visible imgui space lies from draw_data->DisplayPos (top left) to draw_data->DisplayPos+data_data->DisplaySize (bottom right). + { + float L = draw_data->DisplayPos.x; + float R = draw_data->DisplayPos.x + draw_data->DisplaySize.x; + float T = draw_data->DisplayPos.y; + float B = draw_data->DisplayPos.y + draw_data->DisplaySize.y; + ALLEGRO_TRANSFORM transform; + al_identity_transform(&transform); + al_use_transform(&transform); + al_orthographic_transform(&transform, L, T, 1.0f, R, B, -1.0f); + al_use_projection_transform(&transform); + } +} + +// Render function. +// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop) +void ImGui_ImplAllegro5_RenderDrawData(ImDrawData* draw_data) +{ + // Avoid rendering when minimized + if (draw_data->DisplaySize.x <= 0.0f || draw_data->DisplaySize.y <= 0.0f) + return; + + // Backup Allegro state that will be modified + ALLEGRO_TRANSFORM last_transform = *al_get_current_transform(); + ALLEGRO_TRANSFORM last_projection_transform = *al_get_current_projection_transform(); + int last_clip_x, last_clip_y, last_clip_w, last_clip_h; + al_get_clipping_rectangle(&last_clip_x, &last_clip_y, &last_clip_w, &last_clip_h); + int last_blender_op, last_blender_src, last_blender_dst; + al_get_blender(&last_blender_op, &last_blender_src, &last_blender_dst); + + // Setup desired render state + ImGui_ImplAllegro5_SetupRenderState(draw_data); + + // Render command lists + for (int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + + // Allegro's implementation of al_draw_indexed_prim() for DX9 is completely broken. Unindex our buffers ourselves. + // FIXME-OPT: Unfortunately Allegro doesn't support 32-bit packed colors so we have to convert them to 4 float as well.. + static ImVector vertices; + vertices.resize(cmd_list->IdxBuffer.Size); + for (int i = 0; i < cmd_list->IdxBuffer.Size; i++) + { + const ImDrawVert* src_v = &cmd_list->VtxBuffer[cmd_list->IdxBuffer[i]]; + ImDrawVertAllegro* dst_v = &vertices[i]; + dst_v->pos = src_v->pos; + dst_v->uv = src_v->uv; + unsigned char* c = (unsigned char*)&src_v->col; + dst_v->col = al_map_rgba(c[0], c[1], c[2], c[3]); + } + + const int* indices = NULL; + if (sizeof(ImDrawIdx) == 2) + { + // FIXME-OPT: Unfortunately Allegro doesn't support 16-bit indices.. You can '#define ImDrawIdx int' in imconfig.h to request Dear ImGui to output 32-bit indices. + // Otherwise, we convert them from 16-bit to 32-bit at runtime here, which works perfectly but is a little wasteful. + static ImVector indices_converted; + indices_converted.resize(cmd_list->IdxBuffer.Size); + for (int i = 0; i < cmd_list->IdxBuffer.Size; ++i) + indices_converted[i] = (int)cmd_list->IdxBuffer.Data[i]; + indices = indices_converted.Data; + } + else if (sizeof(ImDrawIdx) == 4) + { + indices = (const int*)cmd_list->IdxBuffer.Data; + } + + // Render command lists + int idx_offset = 0; + ImVec2 clip_off = draw_data->DisplayPos; + for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) + { + const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; + if (pcmd->UserCallback) + { + // User callback, registered via ImDrawList::AddCallback() + // (ImDrawCallback_ResetRenderState is a special callback value used by the user to request the renderer to reset render state.) + if (pcmd->UserCallback == ImDrawCallback_ResetRenderState) + ImGui_ImplAllegro5_SetupRenderState(draw_data); + else + pcmd->UserCallback(cmd_list, pcmd); + } + else + { + // Draw + ALLEGRO_BITMAP* texture = (ALLEGRO_BITMAP*)pcmd->TextureId; + al_set_clipping_rectangle(pcmd->ClipRect.x - clip_off.x, pcmd->ClipRect.y - clip_off.y, pcmd->ClipRect.z - pcmd->ClipRect.x, pcmd->ClipRect.w - pcmd->ClipRect.y); + al_draw_prim(&vertices[0], g_VertexDecl, texture, idx_offset, idx_offset + pcmd->ElemCount, ALLEGRO_PRIM_TRIANGLE_LIST); + } + idx_offset += pcmd->ElemCount; + } + } + + // Restore modified Allegro state + al_set_blender(last_blender_op, last_blender_src, last_blender_dst); + al_set_clipping_rectangle(last_clip_x, last_clip_y, last_clip_w, last_clip_h); + al_use_transform(&last_transform); + al_use_projection_transform(&last_projection_transform); +} + +bool ImGui_ImplAllegro5_CreateDeviceObjects() +{ + // Build texture atlas + ImGuiIO &io = ImGui::GetIO(); + unsigned char* pixels; + int width, height; + io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); + + // Create texture + int flags = al_get_new_bitmap_flags(); + int fmt = al_get_new_bitmap_format(); + al_set_new_bitmap_flags(ALLEGRO_MEMORY_BITMAP|ALLEGRO_MIN_LINEAR|ALLEGRO_MAG_LINEAR); + al_set_new_bitmap_format(ALLEGRO_PIXEL_FORMAT_ABGR_8888_LE); + ALLEGRO_BITMAP* img = al_create_bitmap(width, height); + al_set_new_bitmap_flags(flags); + al_set_new_bitmap_format(fmt); + if (!img) + return false; + + ALLEGRO_LOCKED_REGION *locked_img = al_lock_bitmap(img, al_get_bitmap_format(img), ALLEGRO_LOCK_WRITEONLY); + if (!locked_img) + { + al_destroy_bitmap(img); + return false; + } + memcpy(locked_img->data, pixels, sizeof(int)*width*height); + al_unlock_bitmap(img); + + // Convert software texture to hardware texture. + ALLEGRO_BITMAP* cloned_img = al_clone_bitmap(img); + al_destroy_bitmap(img); + if (!cloned_img) + return false; + + // Store our identifier + io.Fonts->TexID = (void*)cloned_img; + g_Texture = cloned_img; + + // Create an invisible mouse cursor + // Because al_hide_mouse_cursor() seems to mess up with the actual inputs.. + ALLEGRO_BITMAP* mouse_cursor = al_create_bitmap(8,8); + g_MouseCursorInvisible = al_create_mouse_cursor(mouse_cursor, 0, 0); + al_destroy_bitmap(mouse_cursor); + + return true; +} + +void ImGui_ImplAllegro5_InvalidateDeviceObjects() +{ + if (g_Texture) + { + al_destroy_bitmap(g_Texture); + ImGui::GetIO().Fonts->TexID = NULL; + g_Texture = NULL; + } + if (g_MouseCursorInvisible) + { + al_destroy_mouse_cursor(g_MouseCursorInvisible); + g_MouseCursorInvisible = NULL; + } +} + +#if ALLEGRO_HAS_CLIPBOARD +static const char* ImGui_ImplAllegro5_GetClipboardText(void*) +{ + if (g_ClipboardTextData) + al_free(g_ClipboardTextData); + g_ClipboardTextData = al_get_clipboard_text(g_Display); + return g_ClipboardTextData; +} + +static void ImGui_ImplAllegro5_SetClipboardText(void*, const char* text) +{ + al_set_clipboard_text(g_Display, text); +} +#endif + +bool ImGui_ImplAllegro5_Init(ALLEGRO_DISPLAY* display) +{ + g_Display = display; + + // Setup back-end capabilities flags + ImGuiIO& io = ImGui::GetIO(); + io.BackendFlags |= ImGuiBackendFlags_HasMouseCursors; // We can honor GetMouseCursor() values (optional) + io.BackendPlatformName = io.BackendRendererName = "imgui_impl_allegro5"; + + // Create custom vertex declaration. + // Unfortunately Allegro doesn't support 32-bit packed colors so we have to convert them to 4 floats. + // We still use a custom declaration to use 'ALLEGRO_PRIM_TEX_COORD' instead of 'ALLEGRO_PRIM_TEX_COORD_PIXEL' else we can't do a reliable conversion. + ALLEGRO_VERTEX_ELEMENT elems[] = + { + { ALLEGRO_PRIM_POSITION, ALLEGRO_PRIM_FLOAT_2, IM_OFFSETOF(ImDrawVertAllegro, pos) }, + { ALLEGRO_PRIM_TEX_COORD, ALLEGRO_PRIM_FLOAT_2, IM_OFFSETOF(ImDrawVertAllegro, uv) }, + { ALLEGRO_PRIM_COLOR_ATTR, 0, IM_OFFSETOF(ImDrawVertAllegro, col) }, + { 0, 0, 0 } + }; + g_VertexDecl = al_create_vertex_decl(elems, sizeof(ImDrawVertAllegro)); + + io.KeyMap[ImGuiKey_Tab] = ALLEGRO_KEY_TAB; + io.KeyMap[ImGuiKey_LeftArrow] = ALLEGRO_KEY_LEFT; + io.KeyMap[ImGuiKey_RightArrow] = ALLEGRO_KEY_RIGHT; + io.KeyMap[ImGuiKey_UpArrow] = ALLEGRO_KEY_UP; + io.KeyMap[ImGuiKey_DownArrow] = ALLEGRO_KEY_DOWN; + io.KeyMap[ImGuiKey_PageUp] = ALLEGRO_KEY_PGUP; + io.KeyMap[ImGuiKey_PageDown] = ALLEGRO_KEY_PGDN; + io.KeyMap[ImGuiKey_Home] = ALLEGRO_KEY_HOME; + io.KeyMap[ImGuiKey_End] = ALLEGRO_KEY_END; + io.KeyMap[ImGuiKey_Insert] = ALLEGRO_KEY_INSERT; + io.KeyMap[ImGuiKey_Delete] = ALLEGRO_KEY_DELETE; + io.KeyMap[ImGuiKey_Backspace] = ALLEGRO_KEY_BACKSPACE; + io.KeyMap[ImGuiKey_Space] = ALLEGRO_KEY_SPACE; + io.KeyMap[ImGuiKey_Enter] = ALLEGRO_KEY_ENTER; + io.KeyMap[ImGuiKey_Escape] = ALLEGRO_KEY_ESCAPE; + io.KeyMap[ImGuiKey_KeyPadEnter] = ALLEGRO_KEY_PAD_ENTER; + io.KeyMap[ImGuiKey_A] = ALLEGRO_KEY_A; + io.KeyMap[ImGuiKey_C] = ALLEGRO_KEY_C; + io.KeyMap[ImGuiKey_V] = ALLEGRO_KEY_V; + io.KeyMap[ImGuiKey_X] = ALLEGRO_KEY_X; + io.KeyMap[ImGuiKey_Y] = ALLEGRO_KEY_Y; + io.KeyMap[ImGuiKey_Z] = ALLEGRO_KEY_Z; + io.MousePos = ImVec2(-FLT_MAX, -FLT_MAX); + +#if ALLEGRO_HAS_CLIPBOARD + io.SetClipboardTextFn = ImGui_ImplAllegro5_SetClipboardText; + io.GetClipboardTextFn = ImGui_ImplAllegro5_GetClipboardText; + io.ClipboardUserData = NULL; +#endif + + return true; +} + +void ImGui_ImplAllegro5_Shutdown() +{ + ImGui_ImplAllegro5_InvalidateDeviceObjects(); + + g_Display = NULL; + g_Time = 0.0; + + if (g_VertexDecl) + al_destroy_vertex_decl(g_VertexDecl); + g_VertexDecl = NULL; + + if (g_ClipboardTextData) + al_free(g_ClipboardTextData); + g_ClipboardTextData = NULL; +} + +// You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. +// - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application. +// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. +// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. +bool ImGui_ImplAllegro5_ProcessEvent(ALLEGRO_EVENT *ev) +{ + ImGuiIO& io = ImGui::GetIO(); + + switch (ev->type) + { + case ALLEGRO_EVENT_MOUSE_AXES: + if (ev->mouse.display == g_Display) + { + io.MouseWheel += ev->mouse.dz; + io.MouseWheelH += ev->mouse.dw; + io.MousePos = ImVec2(ev->mouse.x, ev->mouse.y); + } + return true; + case ALLEGRO_EVENT_MOUSE_BUTTON_DOWN: + case ALLEGRO_EVENT_MOUSE_BUTTON_UP: + if (ev->mouse.display == g_Display && ev->mouse.button <= 5) + io.MouseDown[ev->mouse.button - 1] = (ev->type == ALLEGRO_EVENT_MOUSE_BUTTON_DOWN); + return true; + case ALLEGRO_EVENT_TOUCH_MOVE: + if (ev->touch.display == g_Display) + io.MousePos = ImVec2(ev->touch.x, ev->touch.y); + return true; + case ALLEGRO_EVENT_TOUCH_BEGIN: + case ALLEGRO_EVENT_TOUCH_END: + case ALLEGRO_EVENT_TOUCH_CANCEL: + if (ev->touch.display == g_Display && ev->touch.primary) + io.MouseDown[0] = (ev->type == ALLEGRO_EVENT_TOUCH_BEGIN); + return true; + case ALLEGRO_EVENT_MOUSE_LEAVE_DISPLAY: + if (ev->mouse.display == g_Display) + io.MousePos = ImVec2(-FLT_MAX, -FLT_MAX); + return true; + case ALLEGRO_EVENT_KEY_CHAR: + if (ev->keyboard.display == g_Display) + io.AddInputCharacter((unsigned int)ev->keyboard.unichar); + return true; + case ALLEGRO_EVENT_KEY_DOWN: + case ALLEGRO_EVENT_KEY_UP: + if (ev->keyboard.display == g_Display) + io.KeysDown[ev->keyboard.keycode] = (ev->type == ALLEGRO_EVENT_KEY_DOWN); + return true; + } + return false; +} + +static void ImGui_ImplAllegro5_UpdateMouseCursor() +{ + ImGuiIO& io = ImGui::GetIO(); + if (io.ConfigFlags & ImGuiConfigFlags_NoMouseCursorChange) + return; + + ImGuiMouseCursor imgui_cursor = ImGui::GetMouseCursor(); + if (io.MouseDrawCursor || imgui_cursor == ImGuiMouseCursor_None) + { + // Hide OS mouse cursor if imgui is drawing it or if it wants no cursor + al_set_mouse_cursor(g_Display, g_MouseCursorInvisible); + } + else + { + ALLEGRO_SYSTEM_MOUSE_CURSOR cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_DEFAULT; + switch (imgui_cursor) + { + case ImGuiMouseCursor_TextInput: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_EDIT; break; + case ImGuiMouseCursor_ResizeAll: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_MOVE; break; + case ImGuiMouseCursor_ResizeNS: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_N; break; + case ImGuiMouseCursor_ResizeEW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_E; break; + case ImGuiMouseCursor_ResizeNESW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NE; break; + case ImGuiMouseCursor_ResizeNWSE: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NW; break; + case ImGuiMouseCursor_NotAllowed: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_UNAVAILABLE; break; + } + al_set_system_mouse_cursor(g_Display, cursor_id); + } +} + +void ImGui_ImplAllegro5_NewFrame() +{ + if (!g_Texture) + ImGui_ImplAllegro5_CreateDeviceObjects(); + + ImGuiIO &io = ImGui::GetIO(); + + // Setup display size (every frame to accommodate for window resizing) + int w, h; + w = al_get_display_width(g_Display); + h = al_get_display_height(g_Display); + io.DisplaySize = ImVec2((float)w, (float)h); + + // Setup time step + double current_time = al_get_time(); + io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f/60.0f); + g_Time = current_time; + + // Setup inputs + ALLEGRO_KEYBOARD_STATE keys; + al_get_keyboard_state(&keys); + io.KeyCtrl = al_key_down(&keys, ALLEGRO_KEY_LCTRL) || al_key_down(&keys, ALLEGRO_KEY_RCTRL); + io.KeyShift = al_key_down(&keys, ALLEGRO_KEY_LSHIFT) || al_key_down(&keys, ALLEGRO_KEY_RSHIFT); + io.KeyAlt = al_key_down(&keys, ALLEGRO_KEY_ALT) || al_key_down(&keys, ALLEGRO_KEY_ALTGR); + io.KeySuper = al_key_down(&keys, ALLEGRO_KEY_LWIN) || al_key_down(&keys, ALLEGRO_KEY_RWIN); + + ImGui_ImplAllegro5_UpdateMouseCursor(); +} diff --git a/imgui-submodule/imgui/examples/imgui_impl_allegro5.h b/imgui-submodule/imgui/examples/imgui_impl_allegro5.h new file mode 100644 index 0000000..8b9a47d --- /dev/null +++ b/imgui-submodule/imgui/examples/imgui_impl_allegro5.h @@ -0,0 +1,29 @@ +// dear imgui: Renderer + Platform Binding for Allegro 5 +// (Info: Allegro 5 is a cross-platform general purpose library for handling windows, inputs, graphics, etc.) + +// Implemented features: +// [X] Renderer: User texture binding. Use 'ALLEGRO_BITMAP*' as ImTextureID. Read the FAQ about ImTextureID! +// [X] Platform: Clipboard support (from Allegro 5.1.12) +// [X] Platform: Mouse cursor shape and visibility. Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange'. +// Issues: +// [ ] Renderer: The renderer is suboptimal as we need to unindex our buffers and convert vertices manually. +// [ ] Platform: Missing gamepad support. + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui, Original Allegro 5 code by @birthggd + +#pragma once + +struct ALLEGRO_DISPLAY; +union ALLEGRO_EVENT; + +IMGUI_IMPL_API bool ImGui_ImplAllegro5_Init(ALLEGRO_DISPLAY* display); +IMGUI_IMPL_API void ImGui_ImplAllegro5_Shutdown(); +IMGUI_IMPL_API void ImGui_ImplAllegro5_NewFrame(); +IMGUI_IMPL_API void ImGui_ImplAllegro5_RenderDrawData(ImDrawData* draw_data); +IMGUI_IMPL_API bool ImGui_ImplAllegro5_ProcessEvent(ALLEGRO_EVENT* event); + +// Use if you want to reset your rendering device without losing ImGui state. +IMGUI_IMPL_API bool ImGui_ImplAllegro5_CreateDeviceObjects(); +IMGUI_IMPL_API void ImGui_ImplAllegro5_InvalidateDeviceObjects(); diff --git a/imgui-submodule/imgui/examples/imgui_impl_dx10.cpp b/imgui-submodule/imgui/examples/imgui_impl_dx10.cpp new file mode 100644 index 0000000..7eb4e5a --- /dev/null +++ b/imgui-submodule/imgui/examples/imgui_impl_dx10.cpp @@ -0,0 +1,529 @@ +// dear imgui: Renderer for DirectX10 +// This needs to be used along with a Platform Binding (e.g. Win32) + +// Implemented features: +// [X] Renderer: User texture binding. Use 'ID3D10ShaderResourceView*' as ImTextureID. Read the FAQ about ImTextureID! +// [X] Renderer: Support for large meshes (64k+ vertices) with 16-bit indices. + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +// CHANGELOG +// (minor and older changes stripped away, please see git history for details) +// 2019-07-21: DirectX10: Backup, clear and restore Geometry Shader is any is bound when calling ImGui_ImplDX10_RenderDrawData(). +// 2019-05-29: DirectX10: Added support for large mesh (64K+ vertices), enable ImGuiBackendFlags_RendererHasVtxOffset flag. +// 2019-04-30: DirectX10: Added support for special ImDrawCallback_ResetRenderState callback to reset render state. +// 2018-12-03: Misc: Added #pragma comment statement to automatically link with d3dcompiler.lib when using D3DCompile(). +// 2018-11-30: Misc: Setting up io.BackendRendererName so it can be displayed in the About Window. +// 2018-07-13: DirectX10: Fixed unreleased resources in Init and Shutdown functions. +// 2018-06-08: Misc: Extracted imgui_impl_dx10.cpp/.h away from the old combined DX10+Win32 example. +// 2018-06-08: DirectX10: Use draw_data->DisplayPos and draw_data->DisplaySize to setup projection matrix and clipping rectangle. +// 2018-04-09: Misc: Fixed erroneous call to io.Fonts->ClearInputData() + ClearTexData() that was left in DX10 example but removed in 1.47 (Nov 2015) on other back-ends. +// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback and exposed ImGui_ImplDX10_RenderDrawData() in the .h file so you can call it yourself. +// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. +// 2016-05-07: DirectX10: Disabling depth-write. + +#include "imgui.h" +#include "imgui_impl_dx10.h" + +// DirectX +#include +#include +#include +#include +#ifdef _MSC_VER +#pragma comment(lib, "d3dcompiler") // Automatically link with d3dcompiler.lib as we are using D3DCompile() below. +#endif + +// DirectX data +static ID3D10Device* g_pd3dDevice = NULL; +static IDXGIFactory* g_pFactory = NULL; +static ID3D10Buffer* g_pVB = NULL; +static ID3D10Buffer* g_pIB = NULL; +static ID3D10Blob* g_pVertexShaderBlob = NULL; +static ID3D10VertexShader* g_pVertexShader = NULL; +static ID3D10InputLayout* g_pInputLayout = NULL; +static ID3D10Buffer* g_pVertexConstantBuffer = NULL; +static ID3D10Blob* g_pPixelShaderBlob = NULL; +static ID3D10PixelShader* g_pPixelShader = NULL; +static ID3D10SamplerState* g_pFontSampler = NULL; +static ID3D10ShaderResourceView*g_pFontTextureView = NULL; +static ID3D10RasterizerState* g_pRasterizerState = NULL; +static ID3D10BlendState* g_pBlendState = NULL; +static ID3D10DepthStencilState* g_pDepthStencilState = NULL; +static int g_VertexBufferSize = 5000, g_IndexBufferSize = 10000; + +struct VERTEX_CONSTANT_BUFFER +{ + float mvp[4][4]; +}; + +static void ImGui_ImplDX10_SetupRenderState(ImDrawData* draw_data, ID3D10Device* ctx) +{ + // Setup viewport + D3D10_VIEWPORT vp; + memset(&vp, 0, sizeof(D3D10_VIEWPORT)); + vp.Width = (UINT)draw_data->DisplaySize.x; + vp.Height = (UINT)draw_data->DisplaySize.y; + vp.MinDepth = 0.0f; + vp.MaxDepth = 1.0f; + vp.TopLeftX = vp.TopLeftY = 0; + ctx->RSSetViewports(1, &vp); + + // Bind shader and vertex buffers + unsigned int stride = sizeof(ImDrawVert); + unsigned int offset = 0; + ctx->IASetInputLayout(g_pInputLayout); + ctx->IASetVertexBuffers(0, 1, &g_pVB, &stride, &offset); + ctx->IASetIndexBuffer(g_pIB, sizeof(ImDrawIdx) == 2 ? DXGI_FORMAT_R16_UINT : DXGI_FORMAT_R32_UINT, 0); + ctx->IASetPrimitiveTopology(D3D10_PRIMITIVE_TOPOLOGY_TRIANGLELIST); + ctx->VSSetShader(g_pVertexShader); + ctx->VSSetConstantBuffers(0, 1, &g_pVertexConstantBuffer); + ctx->PSSetShader(g_pPixelShader); + ctx->PSSetSamplers(0, 1, &g_pFontSampler); + ctx->GSSetShader(NULL); + + // Setup render state + const float blend_factor[4] = { 0.f, 0.f, 0.f, 0.f }; + ctx->OMSetBlendState(g_pBlendState, blend_factor, 0xffffffff); + ctx->OMSetDepthStencilState(g_pDepthStencilState, 0); + ctx->RSSetState(g_pRasterizerState); +} + +// Render function +// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop) +void ImGui_ImplDX10_RenderDrawData(ImDrawData* draw_data) +{ + // Avoid rendering when minimized + if (draw_data->DisplaySize.x <= 0.0f || draw_data->DisplaySize.y <= 0.0f) + return; + + ID3D10Device* ctx = g_pd3dDevice; + + // Create and grow vertex/index buffers if needed + if (!g_pVB || g_VertexBufferSize < draw_data->TotalVtxCount) + { + if (g_pVB) { g_pVB->Release(); g_pVB = NULL; } + g_VertexBufferSize = draw_data->TotalVtxCount + 5000; + D3D10_BUFFER_DESC desc; + memset(&desc, 0, sizeof(D3D10_BUFFER_DESC)); + desc.Usage = D3D10_USAGE_DYNAMIC; + desc.ByteWidth = g_VertexBufferSize * sizeof(ImDrawVert); + desc.BindFlags = D3D10_BIND_VERTEX_BUFFER; + desc.CPUAccessFlags = D3D10_CPU_ACCESS_WRITE; + desc.MiscFlags = 0; + if (ctx->CreateBuffer(&desc, NULL, &g_pVB) < 0) + return; + } + + if (!g_pIB || g_IndexBufferSize < draw_data->TotalIdxCount) + { + if (g_pIB) { g_pIB->Release(); g_pIB = NULL; } + g_IndexBufferSize = draw_data->TotalIdxCount + 10000; + D3D10_BUFFER_DESC desc; + memset(&desc, 0, sizeof(D3D10_BUFFER_DESC)); + desc.Usage = D3D10_USAGE_DYNAMIC; + desc.ByteWidth = g_IndexBufferSize * sizeof(ImDrawIdx); + desc.BindFlags = D3D10_BIND_INDEX_BUFFER; + desc.CPUAccessFlags = D3D10_CPU_ACCESS_WRITE; + if (ctx->CreateBuffer(&desc, NULL, &g_pIB) < 0) + return; + } + + // Copy and convert all vertices into a single contiguous buffer + ImDrawVert* vtx_dst = NULL; + ImDrawIdx* idx_dst = NULL; + g_pVB->Map(D3D10_MAP_WRITE_DISCARD, 0, (void**)&vtx_dst); + g_pIB->Map(D3D10_MAP_WRITE_DISCARD, 0, (void**)&idx_dst); + for (int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + memcpy(vtx_dst, cmd_list->VtxBuffer.Data, cmd_list->VtxBuffer.Size * sizeof(ImDrawVert)); + memcpy(idx_dst, cmd_list->IdxBuffer.Data, cmd_list->IdxBuffer.Size * sizeof(ImDrawIdx)); + vtx_dst += cmd_list->VtxBuffer.Size; + idx_dst += cmd_list->IdxBuffer.Size; + } + g_pVB->Unmap(); + g_pIB->Unmap(); + + // Setup orthographic projection matrix into our constant buffer + // Our visible imgui space lies from draw_data->DisplayPos (top left) to draw_data->DisplayPos+data_data->DisplaySize (bottom right). DisplayPos is (0,0) for single viewport apps. + { + void* mapped_resource; + if (g_pVertexConstantBuffer->Map(D3D10_MAP_WRITE_DISCARD, 0, &mapped_resource) != S_OK) + return; + VERTEX_CONSTANT_BUFFER* constant_buffer = (VERTEX_CONSTANT_BUFFER*)mapped_resource; + float L = draw_data->DisplayPos.x; + float R = draw_data->DisplayPos.x + draw_data->DisplaySize.x; + float T = draw_data->DisplayPos.y; + float B = draw_data->DisplayPos.y + draw_data->DisplaySize.y; + float mvp[4][4] = + { + { 2.0f/(R-L), 0.0f, 0.0f, 0.0f }, + { 0.0f, 2.0f/(T-B), 0.0f, 0.0f }, + { 0.0f, 0.0f, 0.5f, 0.0f }, + { (R+L)/(L-R), (T+B)/(B-T), 0.5f, 1.0f }, + }; + memcpy(&constant_buffer->mvp, mvp, sizeof(mvp)); + g_pVertexConstantBuffer->Unmap(); + } + + // Backup DX state that will be modified to restore it afterwards (unfortunately this is very ugly looking and verbose. Close your eyes!) + struct BACKUP_DX10_STATE + { + UINT ScissorRectsCount, ViewportsCount; + D3D10_RECT ScissorRects[D3D10_VIEWPORT_AND_SCISSORRECT_OBJECT_COUNT_PER_PIPELINE]; + D3D10_VIEWPORT Viewports[D3D10_VIEWPORT_AND_SCISSORRECT_OBJECT_COUNT_PER_PIPELINE]; + ID3D10RasterizerState* RS; + ID3D10BlendState* BlendState; + FLOAT BlendFactor[4]; + UINT SampleMask; + UINT StencilRef; + ID3D10DepthStencilState* DepthStencilState; + ID3D10ShaderResourceView* PSShaderResource; + ID3D10SamplerState* PSSampler; + ID3D10PixelShader* PS; + ID3D10VertexShader* VS; + ID3D10GeometryShader* GS; + D3D10_PRIMITIVE_TOPOLOGY PrimitiveTopology; + ID3D10Buffer* IndexBuffer, *VertexBuffer, *VSConstantBuffer; + UINT IndexBufferOffset, VertexBufferStride, VertexBufferOffset; + DXGI_FORMAT IndexBufferFormat; + ID3D10InputLayout* InputLayout; + }; + BACKUP_DX10_STATE old; + old.ScissorRectsCount = old.ViewportsCount = D3D10_VIEWPORT_AND_SCISSORRECT_OBJECT_COUNT_PER_PIPELINE; + ctx->RSGetScissorRects(&old.ScissorRectsCount, old.ScissorRects); + ctx->RSGetViewports(&old.ViewportsCount, old.Viewports); + ctx->RSGetState(&old.RS); + ctx->OMGetBlendState(&old.BlendState, old.BlendFactor, &old.SampleMask); + ctx->OMGetDepthStencilState(&old.DepthStencilState, &old.StencilRef); + ctx->PSGetShaderResources(0, 1, &old.PSShaderResource); + ctx->PSGetSamplers(0, 1, &old.PSSampler); + ctx->PSGetShader(&old.PS); + ctx->VSGetShader(&old.VS); + ctx->VSGetConstantBuffers(0, 1, &old.VSConstantBuffer); + ctx->GSGetShader(&old.GS); + ctx->IAGetPrimitiveTopology(&old.PrimitiveTopology); + ctx->IAGetIndexBuffer(&old.IndexBuffer, &old.IndexBufferFormat, &old.IndexBufferOffset); + ctx->IAGetVertexBuffers(0, 1, &old.VertexBuffer, &old.VertexBufferStride, &old.VertexBufferOffset); + ctx->IAGetInputLayout(&old.InputLayout); + + // Setup desired DX state + ImGui_ImplDX10_SetupRenderState(draw_data, ctx); + + // Render command lists + // (Because we merged all buffers into a single one, we maintain our own offset into them) + int global_vtx_offset = 0; + int global_idx_offset = 0; + ImVec2 clip_off = draw_data->DisplayPos; + for (int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) + { + const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; + if (pcmd->UserCallback) + { + // User callback, registered via ImDrawList::AddCallback() + // (ImDrawCallback_ResetRenderState is a special callback value used by the user to request the renderer to reset render state.) + if (pcmd->UserCallback == ImDrawCallback_ResetRenderState) + ImGui_ImplDX10_SetupRenderState(draw_data, ctx); + else + pcmd->UserCallback(cmd_list, pcmd); + } + else + { + // Apply scissor/clipping rectangle + const D3D10_RECT r = { (LONG)(pcmd->ClipRect.x - clip_off.x), (LONG)(pcmd->ClipRect.y - clip_off.y), (LONG)(pcmd->ClipRect.z - clip_off.x), (LONG)(pcmd->ClipRect.w - clip_off.y)}; + ctx->RSSetScissorRects(1, &r); + + // Bind texture, Draw + ID3D10ShaderResourceView* texture_srv = (ID3D10ShaderResourceView*)pcmd->TextureId; + ctx->PSSetShaderResources(0, 1, &texture_srv); + ctx->DrawIndexed(pcmd->ElemCount, pcmd->IdxOffset + global_idx_offset, pcmd->VtxOffset + global_vtx_offset); + } + } + global_idx_offset += cmd_list->IdxBuffer.Size; + global_vtx_offset += cmd_list->VtxBuffer.Size; + } + + // Restore modified DX state + ctx->RSSetScissorRects(old.ScissorRectsCount, old.ScissorRects); + ctx->RSSetViewports(old.ViewportsCount, old.Viewports); + ctx->RSSetState(old.RS); if (old.RS) old.RS->Release(); + ctx->OMSetBlendState(old.BlendState, old.BlendFactor, old.SampleMask); if (old.BlendState) old.BlendState->Release(); + ctx->OMSetDepthStencilState(old.DepthStencilState, old.StencilRef); if (old.DepthStencilState) old.DepthStencilState->Release(); + ctx->PSSetShaderResources(0, 1, &old.PSShaderResource); if (old.PSShaderResource) old.PSShaderResource->Release(); + ctx->PSSetSamplers(0, 1, &old.PSSampler); if (old.PSSampler) old.PSSampler->Release(); + ctx->PSSetShader(old.PS); if (old.PS) old.PS->Release(); + ctx->VSSetShader(old.VS); if (old.VS) old.VS->Release(); + ctx->GSSetShader(old.GS); if (old.GS) old.GS->Release(); + ctx->VSSetConstantBuffers(0, 1, &old.VSConstantBuffer); if (old.VSConstantBuffer) old.VSConstantBuffer->Release(); + ctx->IASetPrimitiveTopology(old.PrimitiveTopology); + ctx->IASetIndexBuffer(old.IndexBuffer, old.IndexBufferFormat, old.IndexBufferOffset); if (old.IndexBuffer) old.IndexBuffer->Release(); + ctx->IASetVertexBuffers(0, 1, &old.VertexBuffer, &old.VertexBufferStride, &old.VertexBufferOffset); if (old.VertexBuffer) old.VertexBuffer->Release(); + ctx->IASetInputLayout(old.InputLayout); if (old.InputLayout) old.InputLayout->Release(); +} + +static void ImGui_ImplDX10_CreateFontsTexture() +{ + // Build texture atlas + ImGuiIO& io = ImGui::GetIO(); + unsigned char* pixels; + int width, height; + io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); + + // Upload texture to graphics system + { + D3D10_TEXTURE2D_DESC desc; + ZeroMemory(&desc, sizeof(desc)); + desc.Width = width; + desc.Height = height; + desc.MipLevels = 1; + desc.ArraySize = 1; + desc.Format = DXGI_FORMAT_R8G8B8A8_UNORM; + desc.SampleDesc.Count = 1; + desc.Usage = D3D10_USAGE_DEFAULT; + desc.BindFlags = D3D10_BIND_SHADER_RESOURCE; + desc.CPUAccessFlags = 0; + + ID3D10Texture2D *pTexture = NULL; + D3D10_SUBRESOURCE_DATA subResource; + subResource.pSysMem = pixels; + subResource.SysMemPitch = desc.Width * 4; + subResource.SysMemSlicePitch = 0; + g_pd3dDevice->CreateTexture2D(&desc, &subResource, &pTexture); + + // Create texture view + D3D10_SHADER_RESOURCE_VIEW_DESC srv_desc; + ZeroMemory(&srv_desc, sizeof(srv_desc)); + srv_desc.Format = DXGI_FORMAT_R8G8B8A8_UNORM; + srv_desc.ViewDimension = D3D10_SRV_DIMENSION_TEXTURE2D; + srv_desc.Texture2D.MipLevels = desc.MipLevels; + srv_desc.Texture2D.MostDetailedMip = 0; + g_pd3dDevice->CreateShaderResourceView(pTexture, &srv_desc, &g_pFontTextureView); + pTexture->Release(); + } + + // Store our identifier + io.Fonts->TexID = (ImTextureID)g_pFontTextureView; + + // Create texture sampler + { + D3D10_SAMPLER_DESC desc; + ZeroMemory(&desc, sizeof(desc)); + desc.Filter = D3D10_FILTER_MIN_MAG_MIP_LINEAR; + desc.AddressU = D3D10_TEXTURE_ADDRESS_WRAP; + desc.AddressV = D3D10_TEXTURE_ADDRESS_WRAP; + desc.AddressW = D3D10_TEXTURE_ADDRESS_WRAP; + desc.MipLODBias = 0.f; + desc.ComparisonFunc = D3D10_COMPARISON_ALWAYS; + desc.MinLOD = 0.f; + desc.MaxLOD = 0.f; + g_pd3dDevice->CreateSamplerState(&desc, &g_pFontSampler); + } +} + +bool ImGui_ImplDX10_CreateDeviceObjects() +{ + if (!g_pd3dDevice) + return false; + if (g_pFontSampler) + ImGui_ImplDX10_InvalidateDeviceObjects(); + + // By using D3DCompile() from / d3dcompiler.lib, we introduce a dependency to a given version of d3dcompiler_XX.dll (see D3DCOMPILER_DLL_A) + // If you would like to use this DX10 sample code but remove this dependency you can: + // 1) compile once, save the compiled shader blobs into a file or source code and pass them to CreateVertexShader()/CreatePixelShader() [preferred solution] + // 2) use code to detect any version of the DLL and grab a pointer to D3DCompile from the DLL. + // See https://github.com/ocornut/imgui/pull/638 for sources and details. + + // Create the vertex shader + { + static const char* vertexShader = + "cbuffer vertexBuffer : register(b0) \ + {\ + float4x4 ProjectionMatrix; \ + };\ + struct VS_INPUT\ + {\ + float2 pos : POSITION;\ + float4 col : COLOR0;\ + float2 uv : TEXCOORD0;\ + };\ + \ + struct PS_INPUT\ + {\ + float4 pos : SV_POSITION;\ + float4 col : COLOR0;\ + float2 uv : TEXCOORD0;\ + };\ + \ + PS_INPUT main(VS_INPUT input)\ + {\ + PS_INPUT output;\ + output.pos = mul( ProjectionMatrix, float4(input.pos.xy, 0.f, 1.f));\ + output.col = input.col;\ + output.uv = input.uv;\ + return output;\ + }"; + + D3DCompile(vertexShader, strlen(vertexShader), NULL, NULL, NULL, "main", "vs_4_0", 0, 0, &g_pVertexShaderBlob, NULL); + if (g_pVertexShaderBlob == NULL) // NB: Pass ID3D10Blob* pErrorBlob to D3DCompile() to get error showing in (const char*)pErrorBlob->GetBufferPointer(). Make sure to Release() the blob! + return false; + if (g_pd3dDevice->CreateVertexShader((DWORD*)g_pVertexShaderBlob->GetBufferPointer(), g_pVertexShaderBlob->GetBufferSize(), &g_pVertexShader) != S_OK) + return false; + + // Create the input layout + D3D10_INPUT_ELEMENT_DESC local_layout[] = + { + { "POSITION", 0, DXGI_FORMAT_R32G32_FLOAT, 0, (size_t)(&((ImDrawVert*)0)->pos), D3D10_INPUT_PER_VERTEX_DATA, 0 }, + { "TEXCOORD", 0, DXGI_FORMAT_R32G32_FLOAT, 0, (size_t)(&((ImDrawVert*)0)->uv), D3D10_INPUT_PER_VERTEX_DATA, 0 }, + { "COLOR", 0, DXGI_FORMAT_R8G8B8A8_UNORM, 0, (size_t)(&((ImDrawVert*)0)->col), D3D10_INPUT_PER_VERTEX_DATA, 0 }, + }; + if (g_pd3dDevice->CreateInputLayout(local_layout, 3, g_pVertexShaderBlob->GetBufferPointer(), g_pVertexShaderBlob->GetBufferSize(), &g_pInputLayout) != S_OK) + return false; + + // Create the constant buffer + { + D3D10_BUFFER_DESC desc; + desc.ByteWidth = sizeof(VERTEX_CONSTANT_BUFFER); + desc.Usage = D3D10_USAGE_DYNAMIC; + desc.BindFlags = D3D10_BIND_CONSTANT_BUFFER; + desc.CPUAccessFlags = D3D10_CPU_ACCESS_WRITE; + desc.MiscFlags = 0; + g_pd3dDevice->CreateBuffer(&desc, NULL, &g_pVertexConstantBuffer); + } + } + + // Create the pixel shader + { + static const char* pixelShader = + "struct PS_INPUT\ + {\ + float4 pos : SV_POSITION;\ + float4 col : COLOR0;\ + float2 uv : TEXCOORD0;\ + };\ + sampler sampler0;\ + Texture2D texture0;\ + \ + float4 main(PS_INPUT input) : SV_Target\ + {\ + float4 out_col = input.col * texture0.Sample(sampler0, input.uv); \ + return out_col; \ + }"; + + D3DCompile(pixelShader, strlen(pixelShader), NULL, NULL, NULL, "main", "ps_4_0", 0, 0, &g_pPixelShaderBlob, NULL); + if (g_pPixelShaderBlob == NULL) // NB: Pass ID3D10Blob* pErrorBlob to D3DCompile() to get error showing in (const char*)pErrorBlob->GetBufferPointer(). Make sure to Release() the blob! + return false; + if (g_pd3dDevice->CreatePixelShader((DWORD*)g_pPixelShaderBlob->GetBufferPointer(), g_pPixelShaderBlob->GetBufferSize(), &g_pPixelShader) != S_OK) + return false; + } + + // Create the blending setup + { + D3D10_BLEND_DESC desc; + ZeroMemory(&desc, sizeof(desc)); + desc.AlphaToCoverageEnable = false; + desc.BlendEnable[0] = true; + desc.SrcBlend = D3D10_BLEND_SRC_ALPHA; + desc.DestBlend = D3D10_BLEND_INV_SRC_ALPHA; + desc.BlendOp = D3D10_BLEND_OP_ADD; + desc.SrcBlendAlpha = D3D10_BLEND_INV_SRC_ALPHA; + desc.DestBlendAlpha = D3D10_BLEND_ZERO; + desc.BlendOpAlpha = D3D10_BLEND_OP_ADD; + desc.RenderTargetWriteMask[0] = D3D10_COLOR_WRITE_ENABLE_ALL; + g_pd3dDevice->CreateBlendState(&desc, &g_pBlendState); + } + + // Create the rasterizer state + { + D3D10_RASTERIZER_DESC desc; + ZeroMemory(&desc, sizeof(desc)); + desc.FillMode = D3D10_FILL_SOLID; + desc.CullMode = D3D10_CULL_NONE; + desc.ScissorEnable = true; + desc.DepthClipEnable = true; + g_pd3dDevice->CreateRasterizerState(&desc, &g_pRasterizerState); + } + + // Create depth-stencil State + { + D3D10_DEPTH_STENCIL_DESC desc; + ZeroMemory(&desc, sizeof(desc)); + desc.DepthEnable = false; + desc.DepthWriteMask = D3D10_DEPTH_WRITE_MASK_ALL; + desc.DepthFunc = D3D10_COMPARISON_ALWAYS; + desc.StencilEnable = false; + desc.FrontFace.StencilFailOp = desc.FrontFace.StencilDepthFailOp = desc.FrontFace.StencilPassOp = D3D10_STENCIL_OP_KEEP; + desc.FrontFace.StencilFunc = D3D10_COMPARISON_ALWAYS; + desc.BackFace = desc.FrontFace; + g_pd3dDevice->CreateDepthStencilState(&desc, &g_pDepthStencilState); + } + + ImGui_ImplDX10_CreateFontsTexture(); + + return true; +} + +void ImGui_ImplDX10_InvalidateDeviceObjects() +{ + if (!g_pd3dDevice) + return; + + if (g_pFontSampler) { g_pFontSampler->Release(); g_pFontSampler = NULL; } + if (g_pFontTextureView) { g_pFontTextureView->Release(); g_pFontTextureView = NULL; ImGui::GetIO().Fonts->TexID = NULL; } // We copied g_pFontTextureView to io.Fonts->TexID so let's clear that as well. + if (g_pIB) { g_pIB->Release(); g_pIB = NULL; } + if (g_pVB) { g_pVB->Release(); g_pVB = NULL; } + + if (g_pBlendState) { g_pBlendState->Release(); g_pBlendState = NULL; } + if (g_pDepthStencilState) { g_pDepthStencilState->Release(); g_pDepthStencilState = NULL; } + if (g_pRasterizerState) { g_pRasterizerState->Release(); g_pRasterizerState = NULL; } + if (g_pPixelShader) { g_pPixelShader->Release(); g_pPixelShader = NULL; } + if (g_pPixelShaderBlob) { g_pPixelShaderBlob->Release(); g_pPixelShaderBlob = NULL; } + if (g_pVertexConstantBuffer) { g_pVertexConstantBuffer->Release(); g_pVertexConstantBuffer = NULL; } + if (g_pInputLayout) { g_pInputLayout->Release(); g_pInputLayout = NULL; } + if (g_pVertexShader) { g_pVertexShader->Release(); g_pVertexShader = NULL; } + if (g_pVertexShaderBlob) { g_pVertexShaderBlob->Release(); g_pVertexShaderBlob = NULL; } +} + +bool ImGui_ImplDX10_Init(ID3D10Device* device) +{ + // Setup back-end capabilities flags + ImGuiIO& io = ImGui::GetIO(); + io.BackendRendererName = "imgui_impl_dx10"; + io.BackendFlags |= ImGuiBackendFlags_RendererHasVtxOffset; // We can honor the ImDrawCmd::VtxOffset field, allowing for large meshes. + + // Get factory from device + IDXGIDevice* pDXGIDevice = NULL; + IDXGIAdapter* pDXGIAdapter = NULL; + IDXGIFactory* pFactory = NULL; + + if (device->QueryInterface(IID_PPV_ARGS(&pDXGIDevice)) == S_OK) + if (pDXGIDevice->GetParent(IID_PPV_ARGS(&pDXGIAdapter)) == S_OK) + if (pDXGIAdapter->GetParent(IID_PPV_ARGS(&pFactory)) == S_OK) + { + g_pd3dDevice = device; + g_pFactory = pFactory; + } + if (pDXGIDevice) pDXGIDevice->Release(); + if (pDXGIAdapter) pDXGIAdapter->Release(); + g_pd3dDevice->AddRef(); + + return true; +} + +void ImGui_ImplDX10_Shutdown() +{ + ImGui_ImplDX10_InvalidateDeviceObjects(); + if (g_pFactory) { g_pFactory->Release(); g_pFactory = NULL; } + if (g_pd3dDevice) { g_pd3dDevice->Release(); g_pd3dDevice = NULL; } +} + +void ImGui_ImplDX10_NewFrame() +{ + if (!g_pFontSampler) + ImGui_ImplDX10_CreateDeviceObjects(); +} diff --git a/imgui-submodule/imgui/examples/imgui_impl_dx10.h b/imgui-submodule/imgui/examples/imgui_impl_dx10.h new file mode 100644 index 0000000..85281d7 --- /dev/null +++ b/imgui-submodule/imgui/examples/imgui_impl_dx10.h @@ -0,0 +1,23 @@ +// dear imgui: Renderer for DirectX10 +// This needs to be used along with a Platform Binding (e.g. Win32) + +// Implemented features: +// [X] Renderer: User texture binding. Use 'ID3D10ShaderResourceView*' as ImTextureID. Read the FAQ about ImTextureID! +// [X] Renderer: Support for large meshes (64k+ vertices) with 16-bit indices. + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +#pragma once + +struct ID3D10Device; + +IMGUI_IMPL_API bool ImGui_ImplDX10_Init(ID3D10Device* device); +IMGUI_IMPL_API void ImGui_ImplDX10_Shutdown(); +IMGUI_IMPL_API void ImGui_ImplDX10_NewFrame(); +IMGUI_IMPL_API void ImGui_ImplDX10_RenderDrawData(ImDrawData* draw_data); + +// Use if you want to reset your rendering device without losing ImGui state. +IMGUI_IMPL_API void ImGui_ImplDX10_InvalidateDeviceObjects(); +IMGUI_IMPL_API bool ImGui_ImplDX10_CreateDeviceObjects(); diff --git a/imgui-submodule/imgui/examples/imgui_impl_dx11.cpp b/imgui-submodule/imgui/examples/imgui_impl_dx11.cpp new file mode 100644 index 0000000..97e17ff --- /dev/null +++ b/imgui-submodule/imgui/examples/imgui_impl_dx11.cpp @@ -0,0 +1,544 @@ +// dear imgui: Renderer for DirectX11 +// This needs to be used along with a Platform Binding (e.g. Win32) + +// Implemented features: +// [X] Renderer: User texture binding. Use 'ID3D11ShaderResourceView*' as ImTextureID. Read the FAQ about ImTextureID! +// [X] Renderer: Support for large meshes (64k+ vertices) with 16-bit indices. + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp +// https://github.com/ocornut/imgui + +// CHANGELOG +// (minor and older changes stripped away, please see git history for details) +// 2019-08-01: DirectX11: Fixed code querying the Geometry Shader state (would generally error with Debug layer enabled). +// 2019-07-21: DirectX11: Backup, clear and restore Geometry Shader is any is bound when calling ImGui_ImplDX10_RenderDrawData. Clearing Hull/Domain/Compute shaders without backup/restore. +// 2019-05-29: DirectX11: Added support for large mesh (64K+ vertices), enable ImGuiBackendFlags_RendererHasVtxOffset flag. +// 2019-04-30: DirectX11: Added support for special ImDrawCallback_ResetRenderState callback to reset render state. +// 2018-12-03: Misc: Added #pragma comment statement to automatically link with d3dcompiler.lib when using D3DCompile(). +// 2018-11-30: Misc: Setting up io.BackendRendererName so it can be displayed in the About Window. +// 2018-08-01: DirectX11: Querying for IDXGIFactory instead of IDXGIFactory1 to increase compatibility. +// 2018-07-13: DirectX11: Fixed unreleased resources in Init and Shutdown functions. +// 2018-06-08: Misc: Extracted imgui_impl_dx11.cpp/.h away from the old combined DX11+Win32 example. +// 2018-06-08: DirectX11: Use draw_data->DisplayPos and draw_data->DisplaySize to setup projection matrix and clipping rectangle. +// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback and exposed ImGui_ImplDX11_RenderDrawData() in the .h file so you can call it yourself. +// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. +// 2016-05-07: DirectX11: Disabling depth-write. + +#include "imgui.h" +#include "imgui_impl_dx11.h" + +// DirectX +#include +#include +#include +#ifdef _MSC_VER +#pragma comment(lib, "d3dcompiler") // Automatically link with d3dcompiler.lib as we are using D3DCompile() below. +#endif + +// DirectX data +static ID3D11Device* g_pd3dDevice = NULL; +static ID3D11DeviceContext* g_pd3dDeviceContext = NULL; +static IDXGIFactory* g_pFactory = NULL; +static ID3D11Buffer* g_pVB = NULL; +static ID3D11Buffer* g_pIB = NULL; +static ID3D10Blob* g_pVertexShaderBlob = NULL; +static ID3D11VertexShader* g_pVertexShader = NULL; +static ID3D11InputLayout* g_pInputLayout = NULL; +static ID3D11Buffer* g_pVertexConstantBuffer = NULL; +static ID3D10Blob* g_pPixelShaderBlob = NULL; +static ID3D11PixelShader* g_pPixelShader = NULL; +static ID3D11SamplerState* g_pFontSampler = NULL; +static ID3D11ShaderResourceView*g_pFontTextureView = NULL; +static ID3D11RasterizerState* g_pRasterizerState = NULL; +static ID3D11BlendState* g_pBlendState = NULL; +static ID3D11DepthStencilState* g_pDepthStencilState = NULL; +static int g_VertexBufferSize = 5000, g_IndexBufferSize = 10000; + +struct VERTEX_CONSTANT_BUFFER +{ + float mvp[4][4]; +}; + +static void ImGui_ImplDX11_SetupRenderState(ImDrawData* draw_data, ID3D11DeviceContext* ctx) +{ + // Setup viewport + D3D11_VIEWPORT vp; + memset(&vp, 0, sizeof(D3D11_VIEWPORT)); + vp.Width = draw_data->DisplaySize.x; + vp.Height = draw_data->DisplaySize.y; + vp.MinDepth = 0.0f; + vp.MaxDepth = 1.0f; + vp.TopLeftX = vp.TopLeftY = 0; + ctx->RSSetViewports(1, &vp); + + // Setup shader and vertex buffers + unsigned int stride = sizeof(ImDrawVert); + unsigned int offset = 0; + ctx->IASetInputLayout(g_pInputLayout); + ctx->IASetVertexBuffers(0, 1, &g_pVB, &stride, &offset); + ctx->IASetIndexBuffer(g_pIB, sizeof(ImDrawIdx) == 2 ? DXGI_FORMAT_R16_UINT : DXGI_FORMAT_R32_UINT, 0); + ctx->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST); + ctx->VSSetShader(g_pVertexShader, NULL, 0); + ctx->VSSetConstantBuffers(0, 1, &g_pVertexConstantBuffer); + ctx->PSSetShader(g_pPixelShader, NULL, 0); + ctx->PSSetSamplers(0, 1, &g_pFontSampler); + ctx->GSSetShader(NULL, NULL, 0); + ctx->HSSetShader(NULL, NULL, 0); // In theory we should backup and restore this as well.. very infrequently used.. + ctx->DSSetShader(NULL, NULL, 0); // In theory we should backup and restore this as well.. very infrequently used.. + ctx->CSSetShader(NULL, NULL, 0); // In theory we should backup and restore this as well.. very infrequently used.. + + // Setup blend state + const float blend_factor[4] = { 0.f, 0.f, 0.f, 0.f }; + ctx->OMSetBlendState(g_pBlendState, blend_factor, 0xffffffff); + ctx->OMSetDepthStencilState(g_pDepthStencilState, 0); + ctx->RSSetState(g_pRasterizerState); +} + +// Render function +// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop) +void ImGui_ImplDX11_RenderDrawData(ImDrawData* draw_data) +{ + // Avoid rendering when minimized + if (draw_data->DisplaySize.x <= 0.0f || draw_data->DisplaySize.y <= 0.0f) + return; + + ID3D11DeviceContext* ctx = g_pd3dDeviceContext; + + // Create and grow vertex/index buffers if needed + if (!g_pVB || g_VertexBufferSize < draw_data->TotalVtxCount) + { + if (g_pVB) { g_pVB->Release(); g_pVB = NULL; } + g_VertexBufferSize = draw_data->TotalVtxCount + 5000; + D3D11_BUFFER_DESC desc; + memset(&desc, 0, sizeof(D3D11_BUFFER_DESC)); + desc.Usage = D3D11_USAGE_DYNAMIC; + desc.ByteWidth = g_VertexBufferSize * sizeof(ImDrawVert); + desc.BindFlags = D3D11_BIND_VERTEX_BUFFER; + desc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE; + desc.MiscFlags = 0; + if (g_pd3dDevice->CreateBuffer(&desc, NULL, &g_pVB) < 0) + return; + } + if (!g_pIB || g_IndexBufferSize < draw_data->TotalIdxCount) + { + if (g_pIB) { g_pIB->Release(); g_pIB = NULL; } + g_IndexBufferSize = draw_data->TotalIdxCount + 10000; + D3D11_BUFFER_DESC desc; + memset(&desc, 0, sizeof(D3D11_BUFFER_DESC)); + desc.Usage = D3D11_USAGE_DYNAMIC; + desc.ByteWidth = g_IndexBufferSize * sizeof(ImDrawIdx); + desc.BindFlags = D3D11_BIND_INDEX_BUFFER; + desc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE; + if (g_pd3dDevice->CreateBuffer(&desc, NULL, &g_pIB) < 0) + return; + } + + // Upload vertex/index data into a single contiguous GPU buffer + D3D11_MAPPED_SUBRESOURCE vtx_resource, idx_resource; + if (ctx->Map(g_pVB, 0, D3D11_MAP_WRITE_DISCARD, 0, &vtx_resource) != S_OK) + return; + if (ctx->Map(g_pIB, 0, D3D11_MAP_WRITE_DISCARD, 0, &idx_resource) != S_OK) + return; + ImDrawVert* vtx_dst = (ImDrawVert*)vtx_resource.pData; + ImDrawIdx* idx_dst = (ImDrawIdx*)idx_resource.pData; + for (int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + memcpy(vtx_dst, cmd_list->VtxBuffer.Data, cmd_list->VtxBuffer.Size * sizeof(ImDrawVert)); + memcpy(idx_dst, cmd_list->IdxBuffer.Data, cmd_list->IdxBuffer.Size * sizeof(ImDrawIdx)); + vtx_dst += cmd_list->VtxBuffer.Size; + idx_dst += cmd_list->IdxBuffer.Size; + } + ctx->Unmap(g_pVB, 0); + ctx->Unmap(g_pIB, 0); + + // Setup orthographic projection matrix into our constant buffer + // Our visible imgui space lies from draw_data->DisplayPos (top left) to draw_data->DisplayPos+data_data->DisplaySize (bottom right). DisplayPos is (0,0) for single viewport apps. + { + D3D11_MAPPED_SUBRESOURCE mapped_resource; + if (ctx->Map(g_pVertexConstantBuffer, 0, D3D11_MAP_WRITE_DISCARD, 0, &mapped_resource) != S_OK) + return; + VERTEX_CONSTANT_BUFFER* constant_buffer = (VERTEX_CONSTANT_BUFFER*)mapped_resource.pData; + float L = draw_data->DisplayPos.x; + float R = draw_data->DisplayPos.x + draw_data->DisplaySize.x; + float T = draw_data->DisplayPos.y; + float B = draw_data->DisplayPos.y + draw_data->DisplaySize.y; + float mvp[4][4] = + { + { 2.0f/(R-L), 0.0f, 0.0f, 0.0f }, + { 0.0f, 2.0f/(T-B), 0.0f, 0.0f }, + { 0.0f, 0.0f, 0.5f, 0.0f }, + { (R+L)/(L-R), (T+B)/(B-T), 0.5f, 1.0f }, + }; + memcpy(&constant_buffer->mvp, mvp, sizeof(mvp)); + ctx->Unmap(g_pVertexConstantBuffer, 0); + } + + // Backup DX state that will be modified to restore it afterwards (unfortunately this is very ugly looking and verbose. Close your eyes!) + struct BACKUP_DX11_STATE + { + UINT ScissorRectsCount, ViewportsCount; + D3D11_RECT ScissorRects[D3D11_VIEWPORT_AND_SCISSORRECT_OBJECT_COUNT_PER_PIPELINE]; + D3D11_VIEWPORT Viewports[D3D11_VIEWPORT_AND_SCISSORRECT_OBJECT_COUNT_PER_PIPELINE]; + ID3D11RasterizerState* RS; + ID3D11BlendState* BlendState; + FLOAT BlendFactor[4]; + UINT SampleMask; + UINT StencilRef; + ID3D11DepthStencilState* DepthStencilState; + ID3D11ShaderResourceView* PSShaderResource; + ID3D11SamplerState* PSSampler; + ID3D11PixelShader* PS; + ID3D11VertexShader* VS; + ID3D11GeometryShader* GS; + UINT PSInstancesCount, VSInstancesCount, GSInstancesCount; + ID3D11ClassInstance *PSInstances[256], *VSInstances[256], *GSInstances[256]; // 256 is max according to PSSetShader documentation + D3D11_PRIMITIVE_TOPOLOGY PrimitiveTopology; + ID3D11Buffer* IndexBuffer, *VertexBuffer, *VSConstantBuffer; + UINT IndexBufferOffset, VertexBufferStride, VertexBufferOffset; + DXGI_FORMAT IndexBufferFormat; + ID3D11InputLayout* InputLayout; + }; + BACKUP_DX11_STATE old; + old.ScissorRectsCount = old.ViewportsCount = D3D11_VIEWPORT_AND_SCISSORRECT_OBJECT_COUNT_PER_PIPELINE; + ctx->RSGetScissorRects(&old.ScissorRectsCount, old.ScissorRects); + ctx->RSGetViewports(&old.ViewportsCount, old.Viewports); + ctx->RSGetState(&old.RS); + ctx->OMGetBlendState(&old.BlendState, old.BlendFactor, &old.SampleMask); + ctx->OMGetDepthStencilState(&old.DepthStencilState, &old.StencilRef); + ctx->PSGetShaderResources(0, 1, &old.PSShaderResource); + ctx->PSGetSamplers(0, 1, &old.PSSampler); + old.PSInstancesCount = old.VSInstancesCount = old.GSInstancesCount = 256; + ctx->PSGetShader(&old.PS, old.PSInstances, &old.PSInstancesCount); + ctx->VSGetShader(&old.VS, old.VSInstances, &old.VSInstancesCount); + ctx->VSGetConstantBuffers(0, 1, &old.VSConstantBuffer); + ctx->GSGetShader(&old.GS, old.GSInstances, &old.GSInstancesCount); + + ctx->IAGetPrimitiveTopology(&old.PrimitiveTopology); + ctx->IAGetIndexBuffer(&old.IndexBuffer, &old.IndexBufferFormat, &old.IndexBufferOffset); + ctx->IAGetVertexBuffers(0, 1, &old.VertexBuffer, &old.VertexBufferStride, &old.VertexBufferOffset); + ctx->IAGetInputLayout(&old.InputLayout); + + // Setup desired DX state + ImGui_ImplDX11_SetupRenderState(draw_data, ctx); + + // Render command lists + // (Because we merged all buffers into a single one, we maintain our own offset into them) + int global_idx_offset = 0; + int global_vtx_offset = 0; + ImVec2 clip_off = draw_data->DisplayPos; + for (int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) + { + const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; + if (pcmd->UserCallback != NULL) + { + // User callback, registered via ImDrawList::AddCallback() + // (ImDrawCallback_ResetRenderState is a special callback value used by the user to request the renderer to reset render state.) + if (pcmd->UserCallback == ImDrawCallback_ResetRenderState) + ImGui_ImplDX11_SetupRenderState(draw_data, ctx); + else + pcmd->UserCallback(cmd_list, pcmd); + } + else + { + // Apply scissor/clipping rectangle + const D3D11_RECT r = { (LONG)(pcmd->ClipRect.x - clip_off.x), (LONG)(pcmd->ClipRect.y - clip_off.y), (LONG)(pcmd->ClipRect.z - clip_off.x), (LONG)(pcmd->ClipRect.w - clip_off.y) }; + ctx->RSSetScissorRects(1, &r); + + // Bind texture, Draw + ID3D11ShaderResourceView* texture_srv = (ID3D11ShaderResourceView*)pcmd->TextureId; + ctx->PSSetShaderResources(0, 1, &texture_srv); + ctx->DrawIndexed(pcmd->ElemCount, pcmd->IdxOffset + global_idx_offset, pcmd->VtxOffset + global_vtx_offset); + } + } + global_idx_offset += cmd_list->IdxBuffer.Size; + global_vtx_offset += cmd_list->VtxBuffer.Size; + } + + // Restore modified DX state + ctx->RSSetScissorRects(old.ScissorRectsCount, old.ScissorRects); + ctx->RSSetViewports(old.ViewportsCount, old.Viewports); + ctx->RSSetState(old.RS); if (old.RS) old.RS->Release(); + ctx->OMSetBlendState(old.BlendState, old.BlendFactor, old.SampleMask); if (old.BlendState) old.BlendState->Release(); + ctx->OMSetDepthStencilState(old.DepthStencilState, old.StencilRef); if (old.DepthStencilState) old.DepthStencilState->Release(); + ctx->PSSetShaderResources(0, 1, &old.PSShaderResource); if (old.PSShaderResource) old.PSShaderResource->Release(); + ctx->PSSetSamplers(0, 1, &old.PSSampler); if (old.PSSampler) old.PSSampler->Release(); + ctx->PSSetShader(old.PS, old.PSInstances, old.PSInstancesCount); if (old.PS) old.PS->Release(); + for (UINT i = 0; i < old.PSInstancesCount; i++) if (old.PSInstances[i]) old.PSInstances[i]->Release(); + ctx->VSSetShader(old.VS, old.VSInstances, old.VSInstancesCount); if (old.VS) old.VS->Release(); + ctx->VSSetConstantBuffers(0, 1, &old.VSConstantBuffer); if (old.VSConstantBuffer) old.VSConstantBuffer->Release(); + ctx->GSSetShader(old.GS, old.GSInstances, old.GSInstancesCount); if (old.GS) old.GS->Release(); + for (UINT i = 0; i < old.VSInstancesCount; i++) if (old.VSInstances[i]) old.VSInstances[i]->Release(); + ctx->IASetPrimitiveTopology(old.PrimitiveTopology); + ctx->IASetIndexBuffer(old.IndexBuffer, old.IndexBufferFormat, old.IndexBufferOffset); if (old.IndexBuffer) old.IndexBuffer->Release(); + ctx->IASetVertexBuffers(0, 1, &old.VertexBuffer, &old.VertexBufferStride, &old.VertexBufferOffset); if (old.VertexBuffer) old.VertexBuffer->Release(); + ctx->IASetInputLayout(old.InputLayout); if (old.InputLayout) old.InputLayout->Release(); +} + +static void ImGui_ImplDX11_CreateFontsTexture() +{ + // Build texture atlas + ImGuiIO& io = ImGui::GetIO(); + unsigned char* pixels; + int width, height; + io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); + + // Upload texture to graphics system + { + D3D11_TEXTURE2D_DESC desc; + ZeroMemory(&desc, sizeof(desc)); + desc.Width = width; + desc.Height = height; + desc.MipLevels = 1; + desc.ArraySize = 1; + desc.Format = DXGI_FORMAT_R8G8B8A8_UNORM; + desc.SampleDesc.Count = 1; + desc.Usage = D3D11_USAGE_DEFAULT; + desc.BindFlags = D3D11_BIND_SHADER_RESOURCE; + desc.CPUAccessFlags = 0; + + ID3D11Texture2D *pTexture = NULL; + D3D11_SUBRESOURCE_DATA subResource; + subResource.pSysMem = pixels; + subResource.SysMemPitch = desc.Width * 4; + subResource.SysMemSlicePitch = 0; + g_pd3dDevice->CreateTexture2D(&desc, &subResource, &pTexture); + + // Create texture view + D3D11_SHADER_RESOURCE_VIEW_DESC srvDesc; + ZeroMemory(&srvDesc, sizeof(srvDesc)); + srvDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM; + srvDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2D; + srvDesc.Texture2D.MipLevels = desc.MipLevels; + srvDesc.Texture2D.MostDetailedMip = 0; + g_pd3dDevice->CreateShaderResourceView(pTexture, &srvDesc, &g_pFontTextureView); + pTexture->Release(); + } + + // Store our identifier + io.Fonts->TexID = (ImTextureID)g_pFontTextureView; + + // Create texture sampler + { + D3D11_SAMPLER_DESC desc; + ZeroMemory(&desc, sizeof(desc)); + desc.Filter = D3D11_FILTER_MIN_MAG_MIP_LINEAR; + desc.AddressU = D3D11_TEXTURE_ADDRESS_WRAP; + desc.AddressV = D3D11_TEXTURE_ADDRESS_WRAP; + desc.AddressW = D3D11_TEXTURE_ADDRESS_WRAP; + desc.MipLODBias = 0.f; + desc.ComparisonFunc = D3D11_COMPARISON_ALWAYS; + desc.MinLOD = 0.f; + desc.MaxLOD = 0.f; + g_pd3dDevice->CreateSamplerState(&desc, &g_pFontSampler); + } +} + +bool ImGui_ImplDX11_CreateDeviceObjects() +{ + if (!g_pd3dDevice) + return false; + if (g_pFontSampler) + ImGui_ImplDX11_InvalidateDeviceObjects(); + + // By using D3DCompile() from / d3dcompiler.lib, we introduce a dependency to a given version of d3dcompiler_XX.dll (see D3DCOMPILER_DLL_A) + // If you would like to use this DX11 sample code but remove this dependency you can: + // 1) compile once, save the compiled shader blobs into a file or source code and pass them to CreateVertexShader()/CreatePixelShader() [preferred solution] + // 2) use code to detect any version of the DLL and grab a pointer to D3DCompile from the DLL. + // See https://github.com/ocornut/imgui/pull/638 for sources and details. + + // Create the vertex shader + { + static const char* vertexShader = + "cbuffer vertexBuffer : register(b0) \ + {\ + float4x4 ProjectionMatrix; \ + };\ + struct VS_INPUT\ + {\ + float2 pos : POSITION;\ + float4 col : COLOR0;\ + float2 uv : TEXCOORD0;\ + };\ + \ + struct PS_INPUT\ + {\ + float4 pos : SV_POSITION;\ + float4 col : COLOR0;\ + float2 uv : TEXCOORD0;\ + };\ + \ + PS_INPUT main(VS_INPUT input)\ + {\ + PS_INPUT output;\ + output.pos = mul( ProjectionMatrix, float4(input.pos.xy, 0.f, 1.f));\ + output.col = input.col;\ + output.uv = input.uv;\ + return output;\ + }"; + + D3DCompile(vertexShader, strlen(vertexShader), NULL, NULL, NULL, "main", "vs_4_0", 0, 0, &g_pVertexShaderBlob, NULL); + if (g_pVertexShaderBlob == NULL) // NB: Pass ID3D10Blob* pErrorBlob to D3DCompile() to get error showing in (const char*)pErrorBlob->GetBufferPointer(). Make sure to Release() the blob! + return false; + if (g_pd3dDevice->CreateVertexShader((DWORD*)g_pVertexShaderBlob->GetBufferPointer(), g_pVertexShaderBlob->GetBufferSize(), NULL, &g_pVertexShader) != S_OK) + return false; + + // Create the input layout + D3D11_INPUT_ELEMENT_DESC local_layout[] = + { + { "POSITION", 0, DXGI_FORMAT_R32G32_FLOAT, 0, (size_t)(&((ImDrawVert*)0)->pos), D3D11_INPUT_PER_VERTEX_DATA, 0 }, + { "TEXCOORD", 0, DXGI_FORMAT_R32G32_FLOAT, 0, (size_t)(&((ImDrawVert*)0)->uv), D3D11_INPUT_PER_VERTEX_DATA, 0 }, + { "COLOR", 0, DXGI_FORMAT_R8G8B8A8_UNORM, 0, (size_t)(&((ImDrawVert*)0)->col), D3D11_INPUT_PER_VERTEX_DATA, 0 }, + }; + if (g_pd3dDevice->CreateInputLayout(local_layout, 3, g_pVertexShaderBlob->GetBufferPointer(), g_pVertexShaderBlob->GetBufferSize(), &g_pInputLayout) != S_OK) + return false; + + // Create the constant buffer + { + D3D11_BUFFER_DESC desc; + desc.ByteWidth = sizeof(VERTEX_CONSTANT_BUFFER); + desc.Usage = D3D11_USAGE_DYNAMIC; + desc.BindFlags = D3D11_BIND_CONSTANT_BUFFER; + desc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE; + desc.MiscFlags = 0; + g_pd3dDevice->CreateBuffer(&desc, NULL, &g_pVertexConstantBuffer); + } + } + + // Create the pixel shader + { + static const char* pixelShader = + "struct PS_INPUT\ + {\ + float4 pos : SV_POSITION;\ + float4 col : COLOR0;\ + float2 uv : TEXCOORD0;\ + };\ + sampler sampler0;\ + Texture2D texture0;\ + \ + float4 main(PS_INPUT input) : SV_Target\ + {\ + float4 out_col = input.col * texture0.Sample(sampler0, input.uv); \ + return out_col; \ + }"; + + D3DCompile(pixelShader, strlen(pixelShader), NULL, NULL, NULL, "main", "ps_4_0", 0, 0, &g_pPixelShaderBlob, NULL); + if (g_pPixelShaderBlob == NULL) // NB: Pass ID3D10Blob* pErrorBlob to D3DCompile() to get error showing in (const char*)pErrorBlob->GetBufferPointer(). Make sure to Release() the blob! + return false; + if (g_pd3dDevice->CreatePixelShader((DWORD*)g_pPixelShaderBlob->GetBufferPointer(), g_pPixelShaderBlob->GetBufferSize(), NULL, &g_pPixelShader) != S_OK) + return false; + } + + // Create the blending setup + { + D3D11_BLEND_DESC desc; + ZeroMemory(&desc, sizeof(desc)); + desc.AlphaToCoverageEnable = false; + desc.RenderTarget[0].BlendEnable = true; + desc.RenderTarget[0].SrcBlend = D3D11_BLEND_SRC_ALPHA; + desc.RenderTarget[0].DestBlend = D3D11_BLEND_INV_SRC_ALPHA; + desc.RenderTarget[0].BlendOp = D3D11_BLEND_OP_ADD; + desc.RenderTarget[0].SrcBlendAlpha = D3D11_BLEND_INV_SRC_ALPHA; + desc.RenderTarget[0].DestBlendAlpha = D3D11_BLEND_ZERO; + desc.RenderTarget[0].BlendOpAlpha = D3D11_BLEND_OP_ADD; + desc.RenderTarget[0].RenderTargetWriteMask = D3D11_COLOR_WRITE_ENABLE_ALL; + g_pd3dDevice->CreateBlendState(&desc, &g_pBlendState); + } + + // Create the rasterizer state + { + D3D11_RASTERIZER_DESC desc; + ZeroMemory(&desc, sizeof(desc)); + desc.FillMode = D3D11_FILL_SOLID; + desc.CullMode = D3D11_CULL_NONE; + desc.ScissorEnable = true; + desc.DepthClipEnable = true; + g_pd3dDevice->CreateRasterizerState(&desc, &g_pRasterizerState); + } + + // Create depth-stencil State + { + D3D11_DEPTH_STENCIL_DESC desc; + ZeroMemory(&desc, sizeof(desc)); + desc.DepthEnable = false; + desc.DepthWriteMask = D3D11_DEPTH_WRITE_MASK_ALL; + desc.DepthFunc = D3D11_COMPARISON_ALWAYS; + desc.StencilEnable = false; + desc.FrontFace.StencilFailOp = desc.FrontFace.StencilDepthFailOp = desc.FrontFace.StencilPassOp = D3D11_STENCIL_OP_KEEP; + desc.FrontFace.StencilFunc = D3D11_COMPARISON_ALWAYS; + desc.BackFace = desc.FrontFace; + g_pd3dDevice->CreateDepthStencilState(&desc, &g_pDepthStencilState); + } + + ImGui_ImplDX11_CreateFontsTexture(); + + return true; +} + +void ImGui_ImplDX11_InvalidateDeviceObjects() +{ + if (!g_pd3dDevice) + return; + + if (g_pFontSampler) { g_pFontSampler->Release(); g_pFontSampler = NULL; } + if (g_pFontTextureView) { g_pFontTextureView->Release(); g_pFontTextureView = NULL; ImGui::GetIO().Fonts->TexID = NULL; } // We copied g_pFontTextureView to io.Fonts->TexID so let's clear that as well. + if (g_pIB) { g_pIB->Release(); g_pIB = NULL; } + if (g_pVB) { g_pVB->Release(); g_pVB = NULL; } + + if (g_pBlendState) { g_pBlendState->Release(); g_pBlendState = NULL; } + if (g_pDepthStencilState) { g_pDepthStencilState->Release(); g_pDepthStencilState = NULL; } + if (g_pRasterizerState) { g_pRasterizerState->Release(); g_pRasterizerState = NULL; } + if (g_pPixelShader) { g_pPixelShader->Release(); g_pPixelShader = NULL; } + if (g_pPixelShaderBlob) { g_pPixelShaderBlob->Release(); g_pPixelShaderBlob = NULL; } + if (g_pVertexConstantBuffer) { g_pVertexConstantBuffer->Release(); g_pVertexConstantBuffer = NULL; } + if (g_pInputLayout) { g_pInputLayout->Release(); g_pInputLayout = NULL; } + if (g_pVertexShader) { g_pVertexShader->Release(); g_pVertexShader = NULL; } + if (g_pVertexShaderBlob) { g_pVertexShaderBlob->Release(); g_pVertexShaderBlob = NULL; } +} + +bool ImGui_ImplDX11_Init(ID3D11Device* device, ID3D11DeviceContext* device_context) +{ + // Setup back-end capabilities flags + ImGuiIO& io = ImGui::GetIO(); + io.BackendRendererName = "imgui_impl_dx11"; + io.BackendFlags |= ImGuiBackendFlags_RendererHasVtxOffset; // We can honor the ImDrawCmd::VtxOffset field, allowing for large meshes. + + // Get factory from device + IDXGIDevice* pDXGIDevice = NULL; + IDXGIAdapter* pDXGIAdapter = NULL; + IDXGIFactory* pFactory = NULL; + + if (device->QueryInterface(IID_PPV_ARGS(&pDXGIDevice)) == S_OK) + if (pDXGIDevice->GetParent(IID_PPV_ARGS(&pDXGIAdapter)) == S_OK) + if (pDXGIAdapter->GetParent(IID_PPV_ARGS(&pFactory)) == S_OK) + { + g_pd3dDevice = device; + g_pd3dDeviceContext = device_context; + g_pFactory = pFactory; + } + if (pDXGIDevice) pDXGIDevice->Release(); + if (pDXGIAdapter) pDXGIAdapter->Release(); + g_pd3dDevice->AddRef(); + g_pd3dDeviceContext->AddRef(); + + return true; +} + +void ImGui_ImplDX11_Shutdown() +{ + ImGui_ImplDX11_InvalidateDeviceObjects(); + if (g_pFactory) { g_pFactory->Release(); g_pFactory = NULL; } + if (g_pd3dDevice) { g_pd3dDevice->Release(); g_pd3dDevice = NULL; } + if (g_pd3dDeviceContext) { g_pd3dDeviceContext->Release(); g_pd3dDeviceContext = NULL; } +} + +void ImGui_ImplDX11_NewFrame() +{ + if (!g_pFontSampler) + ImGui_ImplDX11_CreateDeviceObjects(); +} diff --git a/imgui-submodule/imgui/examples/imgui_impl_dx11.h b/imgui-submodule/imgui/examples/imgui_impl_dx11.h new file mode 100644 index 0000000..c54d437 --- /dev/null +++ b/imgui-submodule/imgui/examples/imgui_impl_dx11.h @@ -0,0 +1,24 @@ +// dear imgui: Renderer for DirectX11 +// This needs to be used along with a Platform Binding (e.g. Win32) + +// Implemented features: +// [X] Renderer: User texture binding. Use 'ID3D11ShaderResourceView*' as ImTextureID. Read the FAQ about ImTextureID! +// [X] Renderer: Support for large meshes (64k+ vertices) with 16-bit indices. + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +#pragma once + +struct ID3D11Device; +struct ID3D11DeviceContext; + +IMGUI_IMPL_API bool ImGui_ImplDX11_Init(ID3D11Device* device, ID3D11DeviceContext* device_context); +IMGUI_IMPL_API void ImGui_ImplDX11_Shutdown(); +IMGUI_IMPL_API void ImGui_ImplDX11_NewFrame(); +IMGUI_IMPL_API void ImGui_ImplDX11_RenderDrawData(ImDrawData* draw_data); + +// Use if you want to reset your rendering device without losing ImGui state. +IMGUI_IMPL_API void ImGui_ImplDX11_InvalidateDeviceObjects(); +IMGUI_IMPL_API bool ImGui_ImplDX11_CreateDeviceObjects(); diff --git a/imgui-submodule/imgui/examples/imgui_impl_dx12.cpp b/imgui-submodule/imgui/examples/imgui_impl_dx12.cpp new file mode 100644 index 0000000..e7bb5e9 --- /dev/null +++ b/imgui-submodule/imgui/examples/imgui_impl_dx12.cpp @@ -0,0 +1,662 @@ +// dear imgui: Renderer for DirectX12 +// This needs to be used along with a Platform Binding (e.g. Win32) + +// Implemented features: +// [X] Renderer: User texture binding. Use 'D3D12_GPU_DESCRIPTOR_HANDLE' as ImTextureID. Read the FAQ about ImTextureID! +// [X] Renderer: Support for large meshes (64k+ vertices) with 16-bit indices. +// Issues: +// [ ] 64-bit only for now! (Because sizeof(ImTextureId) == sizeof(void*)). See github.com/ocornut/imgui/pull/301 + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +// CHANGELOG +// (minor and older changes stripped away, please see git history for details) +// 2019-10-18: DirectX12: *BREAKING CHANGE* Added extra ID3D12DescriptorHeap parameter to ImGui_ImplDX12_Init() function. +// 2019-05-29: DirectX12: Added support for large mesh (64K+ vertices), enable ImGuiBackendFlags_RendererHasVtxOffset flag. +// 2019-04-30: DirectX12: Added support for special ImDrawCallback_ResetRenderState callback to reset render state. +// 2019-03-29: Misc: Various minor tidying up. +// 2018-12-03: Misc: Added #pragma comment statement to automatically link with d3dcompiler.lib when using D3DCompile(). +// 2018-11-30: Misc: Setting up io.BackendRendererName so it can be displayed in the About Window. +// 2018-06-12: DirectX12: Moved the ID3D12GraphicsCommandList* parameter from NewFrame() to RenderDrawData(). +// 2018-06-08: Misc: Extracted imgui_impl_dx12.cpp/.h away from the old combined DX12+Win32 example. +// 2018-06-08: DirectX12: Use draw_data->DisplayPos and draw_data->DisplaySize to setup projection matrix and clipping rectangle (to ease support for future multi-viewport). +// 2018-02-22: Merged into master with all Win32 code synchronized to other examples. + +#include "imgui.h" +#include "imgui_impl_dx12.h" + +// DirectX +#include +#include +#include +#ifdef _MSC_VER +#pragma comment(lib, "d3dcompiler") // Automatically link with d3dcompiler.lib as we are using D3DCompile() below. +#endif + +// DirectX data +static ID3D12Device* g_pd3dDevice = NULL; +static ID3D10Blob* g_pVertexShaderBlob = NULL; +static ID3D10Blob* g_pPixelShaderBlob = NULL; +static ID3D12RootSignature* g_pRootSignature = NULL; +static ID3D12PipelineState* g_pPipelineState = NULL; +static DXGI_FORMAT g_RTVFormat = DXGI_FORMAT_UNKNOWN; +static ID3D12Resource* g_pFontTextureResource = NULL; +static D3D12_CPU_DESCRIPTOR_HANDLE g_hFontSrvCpuDescHandle = {}; +static D3D12_GPU_DESCRIPTOR_HANDLE g_hFontSrvGpuDescHandle = {}; + +struct FrameResources +{ + ID3D12Resource* IndexBuffer; + ID3D12Resource* VertexBuffer; + int IndexBufferSize; + int VertexBufferSize; +}; +static FrameResources* g_pFrameResources = NULL; +static UINT g_numFramesInFlight = 0; +static UINT g_frameIndex = UINT_MAX; + +template +static void SafeRelease(T*& res) +{ + if (res) + res->Release(); + res = NULL; +} + +struct VERTEX_CONSTANT_BUFFER +{ + float mvp[4][4]; +}; + +static void ImGui_ImplDX12_SetupRenderState(ImDrawData* draw_data, ID3D12GraphicsCommandList* ctx, FrameResources* fr) +{ + // Setup orthographic projection matrix into our constant buffer + // Our visible imgui space lies from draw_data->DisplayPos (top left) to draw_data->DisplayPos+data_data->DisplaySize (bottom right). + VERTEX_CONSTANT_BUFFER vertex_constant_buffer; + { + float L = draw_data->DisplayPos.x; + float R = draw_data->DisplayPos.x + draw_data->DisplaySize.x; + float T = draw_data->DisplayPos.y; + float B = draw_data->DisplayPos.y + draw_data->DisplaySize.y; + float mvp[4][4] = + { + { 2.0f/(R-L), 0.0f, 0.0f, 0.0f }, + { 0.0f, 2.0f/(T-B), 0.0f, 0.0f }, + { 0.0f, 0.0f, 0.5f, 0.0f }, + { (R+L)/(L-R), (T+B)/(B-T), 0.5f, 1.0f }, + }; + memcpy(&vertex_constant_buffer.mvp, mvp, sizeof(mvp)); + } + + // Setup viewport + D3D12_VIEWPORT vp; + memset(&vp, 0, sizeof(D3D12_VIEWPORT)); + vp.Width = draw_data->DisplaySize.x; + vp.Height = draw_data->DisplaySize.y; + vp.MinDepth = 0.0f; + vp.MaxDepth = 1.0f; + vp.TopLeftX = vp.TopLeftY = 0.0f; + ctx->RSSetViewports(1, &vp); + + // Bind shader and vertex buffers + unsigned int stride = sizeof(ImDrawVert); + unsigned int offset = 0; + D3D12_VERTEX_BUFFER_VIEW vbv; + memset(&vbv, 0, sizeof(D3D12_VERTEX_BUFFER_VIEW)); + vbv.BufferLocation = fr->VertexBuffer->GetGPUVirtualAddress() + offset; + vbv.SizeInBytes = fr->VertexBufferSize * stride; + vbv.StrideInBytes = stride; + ctx->IASetVertexBuffers(0, 1, &vbv); + D3D12_INDEX_BUFFER_VIEW ibv; + memset(&ibv, 0, sizeof(D3D12_INDEX_BUFFER_VIEW)); + ibv.BufferLocation = fr->IndexBuffer->GetGPUVirtualAddress(); + ibv.SizeInBytes = fr->IndexBufferSize * sizeof(ImDrawIdx); + ibv.Format = sizeof(ImDrawIdx) == 2 ? DXGI_FORMAT_R16_UINT : DXGI_FORMAT_R32_UINT; + ctx->IASetIndexBuffer(&ibv); + ctx->IASetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST); + ctx->SetPipelineState(g_pPipelineState); + ctx->SetGraphicsRootSignature(g_pRootSignature); + ctx->SetGraphicsRoot32BitConstants(0, 16, &vertex_constant_buffer, 0); + + // Setup blend factor + const float blend_factor[4] = { 0.f, 0.f, 0.f, 0.f }; + ctx->OMSetBlendFactor(blend_factor); +} + +// Render function +// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop) +void ImGui_ImplDX12_RenderDrawData(ImDrawData* draw_data, ID3D12GraphicsCommandList* ctx) +{ + // Avoid rendering when minimized + if (draw_data->DisplaySize.x <= 0.0f || draw_data->DisplaySize.y <= 0.0f) + return; + + // FIXME: I'm assuming that this only gets called once per frame! + // If not, we can't just re-allocate the IB or VB, we'll have to do a proper allocator. + g_frameIndex = g_frameIndex + 1; + FrameResources* fr = &g_pFrameResources[g_frameIndex % g_numFramesInFlight]; + + // Create and grow vertex/index buffers if needed + if (fr->VertexBuffer == NULL || fr->VertexBufferSize < draw_data->TotalVtxCount) + { + SafeRelease(fr->VertexBuffer); + fr->VertexBufferSize = draw_data->TotalVtxCount + 5000; + D3D12_HEAP_PROPERTIES props; + memset(&props, 0, sizeof(D3D12_HEAP_PROPERTIES)); + props.Type = D3D12_HEAP_TYPE_UPLOAD; + props.CPUPageProperty = D3D12_CPU_PAGE_PROPERTY_UNKNOWN; + props.MemoryPoolPreference = D3D12_MEMORY_POOL_UNKNOWN; + D3D12_RESOURCE_DESC desc; + memset(&desc, 0, sizeof(D3D12_RESOURCE_DESC)); + desc.Dimension = D3D12_RESOURCE_DIMENSION_BUFFER; + desc.Width = fr->VertexBufferSize * sizeof(ImDrawVert); + desc.Height = 1; + desc.DepthOrArraySize = 1; + desc.MipLevels = 1; + desc.Format = DXGI_FORMAT_UNKNOWN; + desc.SampleDesc.Count = 1; + desc.Layout = D3D12_TEXTURE_LAYOUT_ROW_MAJOR; + desc.Flags = D3D12_RESOURCE_FLAG_NONE; + if (g_pd3dDevice->CreateCommittedResource(&props, D3D12_HEAP_FLAG_NONE, &desc, D3D12_RESOURCE_STATE_GENERIC_READ, NULL, IID_PPV_ARGS(&fr->VertexBuffer)) < 0) + return; + } + if (fr->IndexBuffer == NULL || fr->IndexBufferSize < draw_data->TotalIdxCount) + { + SafeRelease(fr->IndexBuffer); + fr->IndexBufferSize = draw_data->TotalIdxCount + 10000; + D3D12_HEAP_PROPERTIES props; + memset(&props, 0, sizeof(D3D12_HEAP_PROPERTIES)); + props.Type = D3D12_HEAP_TYPE_UPLOAD; + props.CPUPageProperty = D3D12_CPU_PAGE_PROPERTY_UNKNOWN; + props.MemoryPoolPreference = D3D12_MEMORY_POOL_UNKNOWN; + D3D12_RESOURCE_DESC desc; + memset(&desc, 0, sizeof(D3D12_RESOURCE_DESC)); + desc.Dimension = D3D12_RESOURCE_DIMENSION_BUFFER; + desc.Width = fr->IndexBufferSize * sizeof(ImDrawIdx); + desc.Height = 1; + desc.DepthOrArraySize = 1; + desc.MipLevels = 1; + desc.Format = DXGI_FORMAT_UNKNOWN; + desc.SampleDesc.Count = 1; + desc.Layout = D3D12_TEXTURE_LAYOUT_ROW_MAJOR; + desc.Flags = D3D12_RESOURCE_FLAG_NONE; + if (g_pd3dDevice->CreateCommittedResource(&props, D3D12_HEAP_FLAG_NONE, &desc, D3D12_RESOURCE_STATE_GENERIC_READ, NULL, IID_PPV_ARGS(&fr->IndexBuffer)) < 0) + return; + } + + // Upload vertex/index data into a single contiguous GPU buffer + void* vtx_resource, *idx_resource; + D3D12_RANGE range; + memset(&range, 0, sizeof(D3D12_RANGE)); + if (fr->VertexBuffer->Map(0, &range, &vtx_resource) != S_OK) + return; + if (fr->IndexBuffer->Map(0, &range, &idx_resource) != S_OK) + return; + ImDrawVert* vtx_dst = (ImDrawVert*)vtx_resource; + ImDrawIdx* idx_dst = (ImDrawIdx*)idx_resource; + for (int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + memcpy(vtx_dst, cmd_list->VtxBuffer.Data, cmd_list->VtxBuffer.Size * sizeof(ImDrawVert)); + memcpy(idx_dst, cmd_list->IdxBuffer.Data, cmd_list->IdxBuffer.Size * sizeof(ImDrawIdx)); + vtx_dst += cmd_list->VtxBuffer.Size; + idx_dst += cmd_list->IdxBuffer.Size; + } + fr->VertexBuffer->Unmap(0, &range); + fr->IndexBuffer->Unmap(0, &range); + + // Setup desired DX state + ImGui_ImplDX12_SetupRenderState(draw_data, ctx, fr); + + // Render command lists + // (Because we merged all buffers into a single one, we maintain our own offset into them) + int global_vtx_offset = 0; + int global_idx_offset = 0; + ImVec2 clip_off = draw_data->DisplayPos; + for (int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) + { + const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; + if (pcmd->UserCallback != NULL) + { + // User callback, registered via ImDrawList::AddCallback() + // (ImDrawCallback_ResetRenderState is a special callback value used by the user to request the renderer to reset render state.) + if (pcmd->UserCallback == ImDrawCallback_ResetRenderState) + ImGui_ImplDX12_SetupRenderState(draw_data, ctx, fr); + else + pcmd->UserCallback(cmd_list, pcmd); + } + else + { + // Apply Scissor, Bind texture, Draw + const D3D12_RECT r = { (LONG)(pcmd->ClipRect.x - clip_off.x), (LONG)(pcmd->ClipRect.y - clip_off.y), (LONG)(pcmd->ClipRect.z - clip_off.x), (LONG)(pcmd->ClipRect.w - clip_off.y) }; + ctx->SetGraphicsRootDescriptorTable(1, *(D3D12_GPU_DESCRIPTOR_HANDLE*)&pcmd->TextureId); + ctx->RSSetScissorRects(1, &r); + ctx->DrawIndexedInstanced(pcmd->ElemCount, 1, pcmd->IdxOffset + global_idx_offset, pcmd->VtxOffset + global_vtx_offset, 0); + } + } + global_idx_offset += cmd_list->IdxBuffer.Size; + global_vtx_offset += cmd_list->VtxBuffer.Size; + } +} + +static void ImGui_ImplDX12_CreateFontsTexture() +{ + // Build texture atlas + ImGuiIO& io = ImGui::GetIO(); + unsigned char* pixels; + int width, height; + io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); + + // Upload texture to graphics system + { + D3D12_HEAP_PROPERTIES props; + memset(&props, 0, sizeof(D3D12_HEAP_PROPERTIES)); + props.Type = D3D12_HEAP_TYPE_DEFAULT; + props.CPUPageProperty = D3D12_CPU_PAGE_PROPERTY_UNKNOWN; + props.MemoryPoolPreference = D3D12_MEMORY_POOL_UNKNOWN; + + D3D12_RESOURCE_DESC desc; + ZeroMemory(&desc, sizeof(desc)); + desc.Dimension = D3D12_RESOURCE_DIMENSION_TEXTURE2D; + desc.Alignment = 0; + desc.Width = width; + desc.Height = height; + desc.DepthOrArraySize = 1; + desc.MipLevels = 1; + desc.Format = DXGI_FORMAT_R8G8B8A8_UNORM; + desc.SampleDesc.Count = 1; + desc.SampleDesc.Quality = 0; + desc.Layout = D3D12_TEXTURE_LAYOUT_UNKNOWN; + desc.Flags = D3D12_RESOURCE_FLAG_NONE; + + ID3D12Resource* pTexture = NULL; + g_pd3dDevice->CreateCommittedResource(&props, D3D12_HEAP_FLAG_NONE, &desc, + D3D12_RESOURCE_STATE_COPY_DEST, NULL, IID_PPV_ARGS(&pTexture)); + + UINT uploadPitch = (width * 4 + D3D12_TEXTURE_DATA_PITCH_ALIGNMENT - 1u) & ~(D3D12_TEXTURE_DATA_PITCH_ALIGNMENT - 1u); + UINT uploadSize = height * uploadPitch; + desc.Dimension = D3D12_RESOURCE_DIMENSION_BUFFER; + desc.Alignment = 0; + desc.Width = uploadSize; + desc.Height = 1; + desc.DepthOrArraySize = 1; + desc.MipLevels = 1; + desc.Format = DXGI_FORMAT_UNKNOWN; + desc.SampleDesc.Count = 1; + desc.SampleDesc.Quality = 0; + desc.Layout = D3D12_TEXTURE_LAYOUT_ROW_MAJOR; + desc.Flags = D3D12_RESOURCE_FLAG_NONE; + + props.Type = D3D12_HEAP_TYPE_UPLOAD; + props.CPUPageProperty = D3D12_CPU_PAGE_PROPERTY_UNKNOWN; + props.MemoryPoolPreference = D3D12_MEMORY_POOL_UNKNOWN; + + ID3D12Resource* uploadBuffer = NULL; + HRESULT hr = g_pd3dDevice->CreateCommittedResource(&props, D3D12_HEAP_FLAG_NONE, &desc, + D3D12_RESOURCE_STATE_GENERIC_READ, NULL, IID_PPV_ARGS(&uploadBuffer)); + IM_ASSERT(SUCCEEDED(hr)); + + void* mapped = NULL; + D3D12_RANGE range = { 0, uploadSize }; + hr = uploadBuffer->Map(0, &range, &mapped); + IM_ASSERT(SUCCEEDED(hr)); + for (int y = 0; y < height; y++) + memcpy((void*) ((uintptr_t) mapped + y * uploadPitch), pixels + y * width * 4, width * 4); + uploadBuffer->Unmap(0, &range); + + D3D12_TEXTURE_COPY_LOCATION srcLocation = {}; + srcLocation.pResource = uploadBuffer; + srcLocation.Type = D3D12_TEXTURE_COPY_TYPE_PLACED_FOOTPRINT; + srcLocation.PlacedFootprint.Footprint.Format = DXGI_FORMAT_R8G8B8A8_UNORM; + srcLocation.PlacedFootprint.Footprint.Width = width; + srcLocation.PlacedFootprint.Footprint.Height = height; + srcLocation.PlacedFootprint.Footprint.Depth = 1; + srcLocation.PlacedFootprint.Footprint.RowPitch = uploadPitch; + + D3D12_TEXTURE_COPY_LOCATION dstLocation = {}; + dstLocation.pResource = pTexture; + dstLocation.Type = D3D12_TEXTURE_COPY_TYPE_SUBRESOURCE_INDEX; + dstLocation.SubresourceIndex = 0; + + D3D12_RESOURCE_BARRIER barrier = {}; + barrier.Type = D3D12_RESOURCE_BARRIER_TYPE_TRANSITION; + barrier.Flags = D3D12_RESOURCE_BARRIER_FLAG_NONE; + barrier.Transition.pResource = pTexture; + barrier.Transition.Subresource = D3D12_RESOURCE_BARRIER_ALL_SUBRESOURCES; + barrier.Transition.StateBefore = D3D12_RESOURCE_STATE_COPY_DEST; + barrier.Transition.StateAfter = D3D12_RESOURCE_STATE_PIXEL_SHADER_RESOURCE; + + ID3D12Fence* fence = NULL; + hr = g_pd3dDevice->CreateFence(0, D3D12_FENCE_FLAG_NONE, IID_PPV_ARGS(&fence)); + IM_ASSERT(SUCCEEDED(hr)); + + HANDLE event = CreateEvent(0, 0, 0, 0); + IM_ASSERT(event != NULL); + + D3D12_COMMAND_QUEUE_DESC queueDesc = {}; + queueDesc.Type = D3D12_COMMAND_LIST_TYPE_DIRECT; + queueDesc.Flags = D3D12_COMMAND_QUEUE_FLAG_NONE; + queueDesc.NodeMask = 1; + + ID3D12CommandQueue* cmdQueue = NULL; + hr = g_pd3dDevice->CreateCommandQueue(&queueDesc, IID_PPV_ARGS(&cmdQueue)); + IM_ASSERT(SUCCEEDED(hr)); + + ID3D12CommandAllocator* cmdAlloc = NULL; + hr = g_pd3dDevice->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_DIRECT, IID_PPV_ARGS(&cmdAlloc)); + IM_ASSERT(SUCCEEDED(hr)); + + ID3D12GraphicsCommandList* cmdList = NULL; + hr = g_pd3dDevice->CreateCommandList(0, D3D12_COMMAND_LIST_TYPE_DIRECT, cmdAlloc, NULL, IID_PPV_ARGS(&cmdList)); + IM_ASSERT(SUCCEEDED(hr)); + + cmdList->CopyTextureRegion(&dstLocation, 0, 0, 0, &srcLocation, NULL); + cmdList->ResourceBarrier(1, &barrier); + + hr = cmdList->Close(); + IM_ASSERT(SUCCEEDED(hr)); + + cmdQueue->ExecuteCommandLists(1, (ID3D12CommandList* const*) &cmdList); + hr = cmdQueue->Signal(fence, 1); + IM_ASSERT(SUCCEEDED(hr)); + + fence->SetEventOnCompletion(1, event); + WaitForSingleObject(event, INFINITE); + + cmdList->Release(); + cmdAlloc->Release(); + cmdQueue->Release(); + CloseHandle(event); + fence->Release(); + uploadBuffer->Release(); + + // Create texture view + D3D12_SHADER_RESOURCE_VIEW_DESC srvDesc; + ZeroMemory(&srvDesc, sizeof(srvDesc)); + srvDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM; + srvDesc.ViewDimension = D3D12_SRV_DIMENSION_TEXTURE2D; + srvDesc.Texture2D.MipLevels = desc.MipLevels; + srvDesc.Texture2D.MostDetailedMip = 0; + srvDesc.Shader4ComponentMapping = D3D12_DEFAULT_SHADER_4_COMPONENT_MAPPING; + g_pd3dDevice->CreateShaderResourceView(pTexture, &srvDesc, g_hFontSrvCpuDescHandle); + SafeRelease(g_pFontTextureResource); + g_pFontTextureResource = pTexture; + } + + // Store our identifier + static_assert(sizeof(ImTextureID) >= sizeof(g_hFontSrvGpuDescHandle.ptr), "Can't pack descriptor handle into TexID, 32-bit not supported yet."); + io.Fonts->TexID = (ImTextureID)g_hFontSrvGpuDescHandle.ptr; +} + +bool ImGui_ImplDX12_CreateDeviceObjects() +{ + if (!g_pd3dDevice) + return false; + if (g_pPipelineState) + ImGui_ImplDX12_InvalidateDeviceObjects(); + + // Create the root signature + { + D3D12_DESCRIPTOR_RANGE descRange = {}; + descRange.RangeType = D3D12_DESCRIPTOR_RANGE_TYPE_SRV; + descRange.NumDescriptors = 1; + descRange.BaseShaderRegister = 0; + descRange.RegisterSpace = 0; + descRange.OffsetInDescriptorsFromTableStart = 0; + + D3D12_ROOT_PARAMETER param[2] = {}; + + param[0].ParameterType = D3D12_ROOT_PARAMETER_TYPE_32BIT_CONSTANTS; + param[0].Constants.ShaderRegister = 0; + param[0].Constants.RegisterSpace = 0; + param[0].Constants.Num32BitValues = 16; + param[0].ShaderVisibility = D3D12_SHADER_VISIBILITY_VERTEX; + + param[1].ParameterType = D3D12_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE; + param[1].DescriptorTable.NumDescriptorRanges = 1; + param[1].DescriptorTable.pDescriptorRanges = &descRange; + param[1].ShaderVisibility = D3D12_SHADER_VISIBILITY_PIXEL; + + D3D12_STATIC_SAMPLER_DESC staticSampler = {}; + staticSampler.Filter = D3D12_FILTER_MIN_MAG_MIP_LINEAR; + staticSampler.AddressU = D3D12_TEXTURE_ADDRESS_MODE_WRAP; + staticSampler.AddressV = D3D12_TEXTURE_ADDRESS_MODE_WRAP; + staticSampler.AddressW = D3D12_TEXTURE_ADDRESS_MODE_WRAP; + staticSampler.MipLODBias = 0.f; + staticSampler.MaxAnisotropy = 0; + staticSampler.ComparisonFunc = D3D12_COMPARISON_FUNC_ALWAYS; + staticSampler.BorderColor = D3D12_STATIC_BORDER_COLOR_TRANSPARENT_BLACK; + staticSampler.MinLOD = 0.f; + staticSampler.MaxLOD = 0.f; + staticSampler.ShaderRegister = 0; + staticSampler.RegisterSpace = 0; + staticSampler.ShaderVisibility = D3D12_SHADER_VISIBILITY_PIXEL; + + D3D12_ROOT_SIGNATURE_DESC desc = {}; + desc.NumParameters = _countof(param); + desc.pParameters = param; + desc.NumStaticSamplers = 1; + desc.pStaticSamplers = &staticSampler; + desc.Flags = + D3D12_ROOT_SIGNATURE_FLAG_ALLOW_INPUT_ASSEMBLER_INPUT_LAYOUT | + D3D12_ROOT_SIGNATURE_FLAG_DENY_HULL_SHADER_ROOT_ACCESS | + D3D12_ROOT_SIGNATURE_FLAG_DENY_DOMAIN_SHADER_ROOT_ACCESS | + D3D12_ROOT_SIGNATURE_FLAG_DENY_GEOMETRY_SHADER_ROOT_ACCESS; + + ID3DBlob* blob = NULL; + if (D3D12SerializeRootSignature(&desc, D3D_ROOT_SIGNATURE_VERSION_1, &blob, NULL) != S_OK) + return false; + + g_pd3dDevice->CreateRootSignature(0, blob->GetBufferPointer(), blob->GetBufferSize(), IID_PPV_ARGS(&g_pRootSignature)); + blob->Release(); + } + + // By using D3DCompile() from / d3dcompiler.lib, we introduce a dependency to a given version of d3dcompiler_XX.dll (see D3DCOMPILER_DLL_A) + // If you would like to use this DX12 sample code but remove this dependency you can: + // 1) compile once, save the compiled shader blobs into a file or source code and pass them to CreateVertexShader()/CreatePixelShader() [preferred solution] + // 2) use code to detect any version of the DLL and grab a pointer to D3DCompile from the DLL. + // See https://github.com/ocornut/imgui/pull/638 for sources and details. + + D3D12_GRAPHICS_PIPELINE_STATE_DESC psoDesc; + memset(&psoDesc, 0, sizeof(D3D12_GRAPHICS_PIPELINE_STATE_DESC)); + psoDesc.NodeMask = 1; + psoDesc.PrimitiveTopologyType = D3D12_PRIMITIVE_TOPOLOGY_TYPE_TRIANGLE; + psoDesc.pRootSignature = g_pRootSignature; + psoDesc.SampleMask = UINT_MAX; + psoDesc.NumRenderTargets = 1; + psoDesc.RTVFormats[0] = g_RTVFormat; + psoDesc.SampleDesc.Count = 1; + psoDesc.Flags = D3D12_PIPELINE_STATE_FLAG_NONE; + + // Create the vertex shader + { + static const char* vertexShader = + "cbuffer vertexBuffer : register(b0) \ + {\ + float4x4 ProjectionMatrix; \ + };\ + struct VS_INPUT\ + {\ + float2 pos : POSITION;\ + float4 col : COLOR0;\ + float2 uv : TEXCOORD0;\ + };\ + \ + struct PS_INPUT\ + {\ + float4 pos : SV_POSITION;\ + float4 col : COLOR0;\ + float2 uv : TEXCOORD0;\ + };\ + \ + PS_INPUT main(VS_INPUT input)\ + {\ + PS_INPUT output;\ + output.pos = mul( ProjectionMatrix, float4(input.pos.xy, 0.f, 1.f));\ + output.col = input.col;\ + output.uv = input.uv;\ + return output;\ + }"; + + D3DCompile(vertexShader, strlen(vertexShader), NULL, NULL, NULL, "main", "vs_5_0", 0, 0, &g_pVertexShaderBlob, NULL); + if (g_pVertexShaderBlob == NULL) // NB: Pass ID3D10Blob* pErrorBlob to D3DCompile() to get error showing in (const char*)pErrorBlob->GetBufferPointer(). Make sure to Release() the blob! + return false; + psoDesc.VS = { g_pVertexShaderBlob->GetBufferPointer(), g_pVertexShaderBlob->GetBufferSize() }; + + // Create the input layout + static D3D12_INPUT_ELEMENT_DESC local_layout[] = { + { "POSITION", 0, DXGI_FORMAT_R32G32_FLOAT, 0, (UINT)IM_OFFSETOF(ImDrawVert, pos), D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA, 0 }, + { "TEXCOORD", 0, DXGI_FORMAT_R32G32_FLOAT, 0, (UINT)IM_OFFSETOF(ImDrawVert, uv), D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA, 0 }, + { "COLOR", 0, DXGI_FORMAT_R8G8B8A8_UNORM, 0, (UINT)IM_OFFSETOF(ImDrawVert, col), D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA, 0 }, + }; + psoDesc.InputLayout = { local_layout, 3 }; + } + + // Create the pixel shader + { + static const char* pixelShader = + "struct PS_INPUT\ + {\ + float4 pos : SV_POSITION;\ + float4 col : COLOR0;\ + float2 uv : TEXCOORD0;\ + };\ + SamplerState sampler0 : register(s0);\ + Texture2D texture0 : register(t0);\ + \ + float4 main(PS_INPUT input) : SV_Target\ + {\ + float4 out_col = input.col * texture0.Sample(sampler0, input.uv); \ + return out_col; \ + }"; + + D3DCompile(pixelShader, strlen(pixelShader), NULL, NULL, NULL, "main", "ps_5_0", 0, 0, &g_pPixelShaderBlob, NULL); + if (g_pPixelShaderBlob == NULL) // NB: Pass ID3D10Blob* pErrorBlob to D3DCompile() to get error showing in (const char*)pErrorBlob->GetBufferPointer(). Make sure to Release() the blob! + return false; + psoDesc.PS = { g_pPixelShaderBlob->GetBufferPointer(), g_pPixelShaderBlob->GetBufferSize() }; + } + + // Create the blending setup + { + D3D12_BLEND_DESC& desc = psoDesc.BlendState; + desc.AlphaToCoverageEnable = false; + desc.RenderTarget[0].BlendEnable = true; + desc.RenderTarget[0].SrcBlend = D3D12_BLEND_SRC_ALPHA; + desc.RenderTarget[0].DestBlend = D3D12_BLEND_INV_SRC_ALPHA; + desc.RenderTarget[0].BlendOp = D3D12_BLEND_OP_ADD; + desc.RenderTarget[0].SrcBlendAlpha = D3D12_BLEND_INV_SRC_ALPHA; + desc.RenderTarget[0].DestBlendAlpha = D3D12_BLEND_ZERO; + desc.RenderTarget[0].BlendOpAlpha = D3D12_BLEND_OP_ADD; + desc.RenderTarget[0].RenderTargetWriteMask = D3D12_COLOR_WRITE_ENABLE_ALL; + } + + // Create the rasterizer state + { + D3D12_RASTERIZER_DESC& desc = psoDesc.RasterizerState; + desc.FillMode = D3D12_FILL_MODE_SOLID; + desc.CullMode = D3D12_CULL_MODE_NONE; + desc.FrontCounterClockwise = FALSE; + desc.DepthBias = D3D12_DEFAULT_DEPTH_BIAS; + desc.DepthBiasClamp = D3D12_DEFAULT_DEPTH_BIAS_CLAMP; + desc.SlopeScaledDepthBias = D3D12_DEFAULT_SLOPE_SCALED_DEPTH_BIAS; + desc.DepthClipEnable = true; + desc.MultisampleEnable = FALSE; + desc.AntialiasedLineEnable = FALSE; + desc.ForcedSampleCount = 0; + desc.ConservativeRaster = D3D12_CONSERVATIVE_RASTERIZATION_MODE_OFF; + } + + // Create depth-stencil State + { + D3D12_DEPTH_STENCIL_DESC& desc = psoDesc.DepthStencilState; + desc.DepthEnable = false; + desc.DepthWriteMask = D3D12_DEPTH_WRITE_MASK_ALL; + desc.DepthFunc = D3D12_COMPARISON_FUNC_ALWAYS; + desc.StencilEnable = false; + desc.FrontFace.StencilFailOp = desc.FrontFace.StencilDepthFailOp = desc.FrontFace.StencilPassOp = D3D12_STENCIL_OP_KEEP; + desc.FrontFace.StencilFunc = D3D12_COMPARISON_FUNC_ALWAYS; + desc.BackFace = desc.FrontFace; + } + + if (g_pd3dDevice->CreateGraphicsPipelineState(&psoDesc, IID_PPV_ARGS(&g_pPipelineState)) != S_OK) + return false; + + ImGui_ImplDX12_CreateFontsTexture(); + + return true; +} + +void ImGui_ImplDX12_InvalidateDeviceObjects() +{ + if (!g_pd3dDevice) + return; + + SafeRelease(g_pVertexShaderBlob); + SafeRelease(g_pPixelShaderBlob); + SafeRelease(g_pRootSignature); + SafeRelease(g_pPipelineState); + SafeRelease(g_pFontTextureResource); + + ImGuiIO& io = ImGui::GetIO(); + io.Fonts->TexID = NULL; // We copied g_pFontTextureView to io.Fonts->TexID so let's clear that as well. + + for (UINT i = 0; i < g_numFramesInFlight; i++) + { + FrameResources* fr = &g_pFrameResources[i]; + SafeRelease(fr->IndexBuffer); + SafeRelease(fr->VertexBuffer); + } +} + +bool ImGui_ImplDX12_Init(ID3D12Device* device, int num_frames_in_flight, DXGI_FORMAT rtv_format, ID3D12DescriptorHeap* cbv_srv_heap, + D3D12_CPU_DESCRIPTOR_HANDLE font_srv_cpu_desc_handle, D3D12_GPU_DESCRIPTOR_HANDLE font_srv_gpu_desc_handle) +{ + // Setup back-end capabilities flags + ImGuiIO& io = ImGui::GetIO(); + io.BackendRendererName = "imgui_impl_dx12"; + io.BackendFlags |= ImGuiBackendFlags_RendererHasVtxOffset; // We can honor the ImDrawCmd::VtxOffset field, allowing for large meshes. + + g_pd3dDevice = device; + g_RTVFormat = rtv_format; + g_hFontSrvCpuDescHandle = font_srv_cpu_desc_handle; + g_hFontSrvGpuDescHandle = font_srv_gpu_desc_handle; + g_pFrameResources = new FrameResources[num_frames_in_flight]; + g_numFramesInFlight = num_frames_in_flight; + g_frameIndex = UINT_MAX; + IM_UNUSED(cbv_srv_heap); // Unused in master branch (will be used by multi-viewports) + + // Create buffers with a default size (they will later be grown as needed) + for (int i = 0; i < num_frames_in_flight; i++) + { + FrameResources* fr = &g_pFrameResources[i]; + fr->IndexBuffer = NULL; + fr->VertexBuffer = NULL; + fr->IndexBufferSize = 10000; + fr->VertexBufferSize = 5000; + } + + return true; +} + +void ImGui_ImplDX12_Shutdown() +{ + ImGui_ImplDX12_InvalidateDeviceObjects(); + delete[] g_pFrameResources; + g_pFrameResources = NULL; + g_pd3dDevice = NULL; + g_hFontSrvCpuDescHandle.ptr = 0; + g_hFontSrvGpuDescHandle.ptr = 0; + g_numFramesInFlight = 0; + g_frameIndex = UINT_MAX; +} + +void ImGui_ImplDX12_NewFrame() +{ + if (!g_pPipelineState) + ImGui_ImplDX12_CreateDeviceObjects(); +} diff --git a/imgui-submodule/imgui/examples/imgui_impl_dx12.h b/imgui-submodule/imgui/examples/imgui_impl_dx12.h new file mode 100644 index 0000000..8f307dc --- /dev/null +++ b/imgui-submodule/imgui/examples/imgui_impl_dx12.h @@ -0,0 +1,35 @@ +// dear imgui: Renderer for DirectX12 +// This needs to be used along with a Platform Binding (e.g. Win32) + +// Implemented features: +// [X] Renderer: User texture binding. Use 'D3D12_GPU_DESCRIPTOR_HANDLE' as ImTextureID. Read the FAQ about ImTextureID! +// [X] Renderer: Support for large meshes (64k+ vertices) with 16-bit indices. +// Issues: +// [ ] 64-bit only for now! (Because sizeof(ImTextureId) == sizeof(void*)). See github.com/ocornut/imgui/pull/301 + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +#pragma once + +enum DXGI_FORMAT; +struct ID3D12Device; +struct ID3D12DescriptorHeap; +struct ID3D12GraphicsCommandList; +struct D3D12_CPU_DESCRIPTOR_HANDLE; +struct D3D12_GPU_DESCRIPTOR_HANDLE; + +// cmd_list is the command list that the implementation will use to render imgui draw lists. +// Before calling the render function, caller must prepare cmd_list by resetting it and setting the appropriate +// render target and descriptor heap that contains font_srv_cpu_desc_handle/font_srv_gpu_desc_handle. +// font_srv_cpu_desc_handle and font_srv_gpu_desc_handle are handles to a single SRV descriptor to use for the internal font texture. +IMGUI_IMPL_API bool ImGui_ImplDX12_Init(ID3D12Device* device, int num_frames_in_flight, DXGI_FORMAT rtv_format, ID3D12DescriptorHeap* cbv_srv_heap, + D3D12_CPU_DESCRIPTOR_HANDLE font_srv_cpu_desc_handle, D3D12_GPU_DESCRIPTOR_HANDLE font_srv_gpu_desc_handle); +IMGUI_IMPL_API void ImGui_ImplDX12_Shutdown(); +IMGUI_IMPL_API void ImGui_ImplDX12_NewFrame(); +IMGUI_IMPL_API void ImGui_ImplDX12_RenderDrawData(ImDrawData* draw_data, ID3D12GraphicsCommandList* graphics_command_list); + +// Use if you want to reset your rendering device without losing ImGui state. +IMGUI_IMPL_API void ImGui_ImplDX12_InvalidateDeviceObjects(); +IMGUI_IMPL_API bool ImGui_ImplDX12_CreateDeviceObjects(); diff --git a/imgui-submodule/imgui/examples/imgui_impl_dx9.cpp b/imgui-submodule/imgui/examples/imgui_impl_dx9.cpp new file mode 100644 index 0000000..03114aa --- /dev/null +++ b/imgui-submodule/imgui/examples/imgui_impl_dx9.cpp @@ -0,0 +1,284 @@ +// dear imgui: Renderer for DirectX9 +// This needs to be used along with a Platform Binding (e.g. Win32) + +// Implemented features: +// [X] Renderer: User texture binding. Use 'LPDIRECT3DTEXTURE9' as ImTextureID. Read the FAQ about ImTextureID! +// [X] Renderer: Support for large meshes (64k+ vertices) with 16-bit indices. + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +// CHANGELOG +// (minor and older changes stripped away, please see git history for details) +// 2019-05-29: DirectX9: Added support for large mesh (64K+ vertices), enable ImGuiBackendFlags_RendererHasVtxOffset flag. +// 2019-04-30: DirectX9: Added support for special ImDrawCallback_ResetRenderState callback to reset render state. +// 2019-03-29: Misc: Fixed erroneous assert in ImGui_ImplDX9_InvalidateDeviceObjects(). +// 2019-01-16: Misc: Disabled fog before drawing UI's. Fixes issue #2288. +// 2018-11-30: Misc: Setting up io.BackendRendererName so it can be displayed in the About Window. +// 2018-06-08: Misc: Extracted imgui_impl_dx9.cpp/.h away from the old combined DX9+Win32 example. +// 2018-06-08: DirectX9: Use draw_data->DisplayPos and draw_data->DisplaySize to setup projection matrix and clipping rectangle. +// 2018-05-07: Render: Saving/restoring Transform because they don't seem to be included in the StateBlock. Setting shading mode to Gouraud. +// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback and exposed ImGui_ImplDX9_RenderDrawData() in the .h file so you can call it yourself. +// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. + +#include "imgui.h" +#include "imgui_impl_dx9.h" + +// DirectX +#include +#define DIRECTINPUT_VERSION 0x0800 +#include + +// DirectX data +static LPDIRECT3DDEVICE9 g_pd3dDevice = NULL; +static LPDIRECT3DVERTEXBUFFER9 g_pVB = NULL; +static LPDIRECT3DINDEXBUFFER9 g_pIB = NULL; +static LPDIRECT3DTEXTURE9 g_FontTexture = NULL; +static int g_VertexBufferSize = 5000, g_IndexBufferSize = 10000; + +struct CUSTOMVERTEX +{ + float pos[3]; + D3DCOLOR col; + float uv[2]; +}; +#define D3DFVF_CUSTOMVERTEX (D3DFVF_XYZ|D3DFVF_DIFFUSE|D3DFVF_TEX1) + +static void ImGui_ImplDX9_SetupRenderState(ImDrawData* draw_data) +{ + // Setup viewport + D3DVIEWPORT9 vp; + vp.X = vp.Y = 0; + vp.Width = (DWORD)draw_data->DisplaySize.x; + vp.Height = (DWORD)draw_data->DisplaySize.y; + vp.MinZ = 0.0f; + vp.MaxZ = 1.0f; + g_pd3dDevice->SetViewport(&vp); + + // Setup render state: fixed-pipeline, alpha-blending, no face culling, no depth testing, shade mode (for gradient) + g_pd3dDevice->SetPixelShader(NULL); + g_pd3dDevice->SetVertexShader(NULL); + g_pd3dDevice->SetRenderState(D3DRS_CULLMODE, D3DCULL_NONE); + g_pd3dDevice->SetRenderState(D3DRS_LIGHTING, FALSE); + g_pd3dDevice->SetRenderState(D3DRS_ZENABLE, FALSE); + g_pd3dDevice->SetRenderState(D3DRS_ALPHABLENDENABLE, TRUE); + g_pd3dDevice->SetRenderState(D3DRS_ALPHATESTENABLE, FALSE); + g_pd3dDevice->SetRenderState(D3DRS_BLENDOP, D3DBLENDOP_ADD); + g_pd3dDevice->SetRenderState(D3DRS_SRCBLEND, D3DBLEND_SRCALPHA); + g_pd3dDevice->SetRenderState(D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA); + g_pd3dDevice->SetRenderState(D3DRS_SCISSORTESTENABLE, TRUE); + g_pd3dDevice->SetRenderState(D3DRS_SHADEMODE, D3DSHADE_GOURAUD); + g_pd3dDevice->SetRenderState(D3DRS_FOGENABLE, FALSE); + g_pd3dDevice->SetTextureStageState(0, D3DTSS_COLOROP, D3DTOP_MODULATE); + g_pd3dDevice->SetTextureStageState(0, D3DTSS_COLORARG1, D3DTA_TEXTURE); + g_pd3dDevice->SetTextureStageState(0, D3DTSS_COLORARG2, D3DTA_DIFFUSE); + g_pd3dDevice->SetTextureStageState(0, D3DTSS_ALPHAOP, D3DTOP_MODULATE); + g_pd3dDevice->SetTextureStageState(0, D3DTSS_ALPHAARG1, D3DTA_TEXTURE); + g_pd3dDevice->SetTextureStageState(0, D3DTSS_ALPHAARG2, D3DTA_DIFFUSE); + g_pd3dDevice->SetSamplerState(0, D3DSAMP_MINFILTER, D3DTEXF_LINEAR); + g_pd3dDevice->SetSamplerState(0, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR); + + // Setup orthographic projection matrix + // Our visible imgui space lies from draw_data->DisplayPos (top left) to draw_data->DisplayPos+data_data->DisplaySize (bottom right). DisplayPos is (0,0) for single viewport apps. + // Being agnostic of whether or can be used, we aren't relying on D3DXMatrixIdentity()/D3DXMatrixOrthoOffCenterLH() or DirectX::XMMatrixIdentity()/DirectX::XMMatrixOrthographicOffCenterLH() + { + float L = draw_data->DisplayPos.x + 0.5f; + float R = draw_data->DisplayPos.x + draw_data->DisplaySize.x + 0.5f; + float T = draw_data->DisplayPos.y + 0.5f; + float B = draw_data->DisplayPos.y + draw_data->DisplaySize.y + 0.5f; + D3DMATRIX mat_identity = { { { 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f } } }; + D3DMATRIX mat_projection = + { { { + 2.0f/(R-L), 0.0f, 0.0f, 0.0f, + 0.0f, 2.0f/(T-B), 0.0f, 0.0f, + 0.0f, 0.0f, 0.5f, 0.0f, + (L+R)/(L-R), (T+B)/(B-T), 0.5f, 1.0f + } } }; + g_pd3dDevice->SetTransform(D3DTS_WORLD, &mat_identity); + g_pd3dDevice->SetTransform(D3DTS_VIEW, &mat_identity); + g_pd3dDevice->SetTransform(D3DTS_PROJECTION, &mat_projection); + } +} + +// Render function. +// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop) +void ImGui_ImplDX9_RenderDrawData(ImDrawData* draw_data) +{ + // Avoid rendering when minimized + if (draw_data->DisplaySize.x <= 0.0f || draw_data->DisplaySize.y <= 0.0f) + return; + + // Create and grow buffers if needed + if (!g_pVB || g_VertexBufferSize < draw_data->TotalVtxCount) + { + if (g_pVB) { g_pVB->Release(); g_pVB = NULL; } + g_VertexBufferSize = draw_data->TotalVtxCount + 5000; + if (g_pd3dDevice->CreateVertexBuffer(g_VertexBufferSize * sizeof(CUSTOMVERTEX), D3DUSAGE_DYNAMIC | D3DUSAGE_WRITEONLY, D3DFVF_CUSTOMVERTEX, D3DPOOL_DEFAULT, &g_pVB, NULL) < 0) + return; + } + if (!g_pIB || g_IndexBufferSize < draw_data->TotalIdxCount) + { + if (g_pIB) { g_pIB->Release(); g_pIB = NULL; } + g_IndexBufferSize = draw_data->TotalIdxCount + 10000; + if (g_pd3dDevice->CreateIndexBuffer(g_IndexBufferSize * sizeof(ImDrawIdx), D3DUSAGE_DYNAMIC | D3DUSAGE_WRITEONLY, sizeof(ImDrawIdx) == 2 ? D3DFMT_INDEX16 : D3DFMT_INDEX32, D3DPOOL_DEFAULT, &g_pIB, NULL) < 0) + return; + } + + // Backup the DX9 state + IDirect3DStateBlock9* d3d9_state_block = NULL; + if (g_pd3dDevice->CreateStateBlock(D3DSBT_ALL, &d3d9_state_block) < 0) + return; + + // Backup the DX9 transform (DX9 documentation suggests that it is included in the StateBlock but it doesn't appear to) + D3DMATRIX last_world, last_view, last_projection; + g_pd3dDevice->GetTransform(D3DTS_WORLD, &last_world); + g_pd3dDevice->GetTransform(D3DTS_VIEW, &last_view); + g_pd3dDevice->GetTransform(D3DTS_PROJECTION, &last_projection); + + // Copy and convert all vertices into a single contiguous buffer, convert colors to DX9 default format. + // FIXME-OPT: This is a waste of resource, the ideal is to use imconfig.h and + // 1) to avoid repacking colors: #define IMGUI_USE_BGRA_PACKED_COLOR + // 2) to avoid repacking vertices: #define IMGUI_OVERRIDE_DRAWVERT_STRUCT_LAYOUT struct ImDrawVert { ImVec2 pos; float z; ImU32 col; ImVec2 uv; } + CUSTOMVERTEX* vtx_dst; + ImDrawIdx* idx_dst; + if (g_pVB->Lock(0, (UINT)(draw_data->TotalVtxCount * sizeof(CUSTOMVERTEX)), (void**)&vtx_dst, D3DLOCK_DISCARD) < 0) + return; + if (g_pIB->Lock(0, (UINT)(draw_data->TotalIdxCount * sizeof(ImDrawIdx)), (void**)&idx_dst, D3DLOCK_DISCARD) < 0) + return; + for (int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + const ImDrawVert* vtx_src = cmd_list->VtxBuffer.Data; + for (int i = 0; i < cmd_list->VtxBuffer.Size; i++) + { + vtx_dst->pos[0] = vtx_src->pos.x; + vtx_dst->pos[1] = vtx_src->pos.y; + vtx_dst->pos[2] = 0.0f; + vtx_dst->col = (vtx_src->col & 0xFF00FF00) | ((vtx_src->col & 0xFF0000) >> 16) | ((vtx_src->col & 0xFF) << 16); // RGBA --> ARGB for DirectX9 + vtx_dst->uv[0] = vtx_src->uv.x; + vtx_dst->uv[1] = vtx_src->uv.y; + vtx_dst++; + vtx_src++; + } + memcpy(idx_dst, cmd_list->IdxBuffer.Data, cmd_list->IdxBuffer.Size * sizeof(ImDrawIdx)); + idx_dst += cmd_list->IdxBuffer.Size; + } + g_pVB->Unlock(); + g_pIB->Unlock(); + g_pd3dDevice->SetStreamSource(0, g_pVB, 0, sizeof(CUSTOMVERTEX)); + g_pd3dDevice->SetIndices(g_pIB); + g_pd3dDevice->SetFVF(D3DFVF_CUSTOMVERTEX); + + // Setup desired DX state + ImGui_ImplDX9_SetupRenderState(draw_data); + + // Render command lists + // (Because we merged all buffers into a single one, we maintain our own offset into them) + int global_vtx_offset = 0; + int global_idx_offset = 0; + ImVec2 clip_off = draw_data->DisplayPos; + for (int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) + { + const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; + if (pcmd->UserCallback != NULL) + { + // User callback, registered via ImDrawList::AddCallback() + // (ImDrawCallback_ResetRenderState is a special callback value used by the user to request the renderer to reset render state.) + if (pcmd->UserCallback == ImDrawCallback_ResetRenderState) + ImGui_ImplDX9_SetupRenderState(draw_data); + else + pcmd->UserCallback(cmd_list, pcmd); + } + else + { + const RECT r = { (LONG)(pcmd->ClipRect.x - clip_off.x), (LONG)(pcmd->ClipRect.y - clip_off.y), (LONG)(pcmd->ClipRect.z - clip_off.x), (LONG)(pcmd->ClipRect.w - clip_off.y) }; + const LPDIRECT3DTEXTURE9 texture = (LPDIRECT3DTEXTURE9)pcmd->TextureId; + g_pd3dDevice->SetTexture(0, texture); + g_pd3dDevice->SetScissorRect(&r); + g_pd3dDevice->DrawIndexedPrimitive(D3DPT_TRIANGLELIST, pcmd->VtxOffset + global_vtx_offset, 0, (UINT)cmd_list->VtxBuffer.Size, pcmd->IdxOffset + global_idx_offset, pcmd->ElemCount/3); + } + } + global_idx_offset += cmd_list->IdxBuffer.Size; + global_vtx_offset += cmd_list->VtxBuffer.Size; + } + + // Restore the DX9 transform + g_pd3dDevice->SetTransform(D3DTS_WORLD, &last_world); + g_pd3dDevice->SetTransform(D3DTS_VIEW, &last_view); + g_pd3dDevice->SetTransform(D3DTS_PROJECTION, &last_projection); + + // Restore the DX9 state + d3d9_state_block->Apply(); + d3d9_state_block->Release(); +} + +bool ImGui_ImplDX9_Init(IDirect3DDevice9* device) +{ + // Setup back-end capabilities flags + ImGuiIO& io = ImGui::GetIO(); + io.BackendRendererName = "imgui_impl_dx9"; + io.BackendFlags |= ImGuiBackendFlags_RendererHasVtxOffset; // We can honor the ImDrawCmd::VtxOffset field, allowing for large meshes. + + g_pd3dDevice = device; + g_pd3dDevice->AddRef(); + return true; +} + +void ImGui_ImplDX9_Shutdown() +{ + ImGui_ImplDX9_InvalidateDeviceObjects(); + if (g_pd3dDevice) { g_pd3dDevice->Release(); g_pd3dDevice = NULL; } +} + +static bool ImGui_ImplDX9_CreateFontsTexture() +{ + // Build texture atlas + ImGuiIO& io = ImGui::GetIO(); + unsigned char* pixels; + int width, height, bytes_per_pixel; + io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height, &bytes_per_pixel); + + // Upload texture to graphics system + g_FontTexture = NULL; + if (g_pd3dDevice->CreateTexture(width, height, 1, D3DUSAGE_DYNAMIC, D3DFMT_A8R8G8B8, D3DPOOL_DEFAULT, &g_FontTexture, NULL) < 0) + return false; + D3DLOCKED_RECT tex_locked_rect; + if (g_FontTexture->LockRect(0, &tex_locked_rect, NULL, 0) != D3D_OK) + return false; + for (int y = 0; y < height; y++) + memcpy((unsigned char *)tex_locked_rect.pBits + tex_locked_rect.Pitch * y, pixels + (width * bytes_per_pixel) * y, (width * bytes_per_pixel)); + g_FontTexture->UnlockRect(0); + + // Store our identifier + io.Fonts->TexID = (ImTextureID)g_FontTexture; + + return true; +} + +bool ImGui_ImplDX9_CreateDeviceObjects() +{ + if (!g_pd3dDevice) + return false; + if (!ImGui_ImplDX9_CreateFontsTexture()) + return false; + return true; +} + +void ImGui_ImplDX9_InvalidateDeviceObjects() +{ + if (!g_pd3dDevice) + return; + if (g_pVB) { g_pVB->Release(); g_pVB = NULL; } + if (g_pIB) { g_pIB->Release(); g_pIB = NULL; } + if (g_FontTexture) { g_FontTexture->Release(); g_FontTexture = NULL; ImGui::GetIO().Fonts->TexID = NULL; } // We copied g_pFontTextureView to io.Fonts->TexID so let's clear that as well. +} + +void ImGui_ImplDX9_NewFrame() +{ + if (!g_FontTexture) + ImGui_ImplDX9_CreateDeviceObjects(); +} diff --git a/imgui-submodule/imgui/examples/imgui_impl_dx9.h b/imgui-submodule/imgui/examples/imgui_impl_dx9.h new file mode 100644 index 0000000..b36e95b --- /dev/null +++ b/imgui-submodule/imgui/examples/imgui_impl_dx9.h @@ -0,0 +1,23 @@ +// dear imgui: Renderer for DirectX9 +// This needs to be used along with a Platform Binding (e.g. Win32) + +// Implemented features: +// [X] Renderer: User texture binding. Use 'LPDIRECT3DTEXTURE9' as ImTextureID. Read the FAQ about ImTextureID! +// [X] Renderer: Support for large meshes (64k+ vertices) with 16-bit indices. + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +#pragma once + +struct IDirect3DDevice9; + +IMGUI_IMPL_API bool ImGui_ImplDX9_Init(IDirect3DDevice9* device); +IMGUI_IMPL_API void ImGui_ImplDX9_Shutdown(); +IMGUI_IMPL_API void ImGui_ImplDX9_NewFrame(); +IMGUI_IMPL_API void ImGui_ImplDX9_RenderDrawData(ImDrawData* draw_data); + +// Use if you want to reset your rendering device without losing ImGui state. +IMGUI_IMPL_API bool ImGui_ImplDX9_CreateDeviceObjects(); +IMGUI_IMPL_API void ImGui_ImplDX9_InvalidateDeviceObjects(); diff --git a/imgui-submodule/imgui/examples/imgui_impl_glfw.cpp b/imgui-submodule/imgui/examples/imgui_impl_glfw.cpp new file mode 100644 index 0000000..c496232 --- /dev/null +++ b/imgui-submodule/imgui/examples/imgui_impl_glfw.cpp @@ -0,0 +1,369 @@ +// dear imgui: Platform Binding for GLFW +// This needs to be used along with a Renderer (e.g. OpenGL3, Vulkan..) +// (Info: GLFW is a cross-platform general purpose library for handling windows, inputs, OpenGL/Vulkan graphics context creation, etc.) +// (Requires: GLFW 3.1+) + +// Implemented features: +// [X] Platform: Clipboard support. +// [X] Platform: Gamepad support. Enable with 'io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad'. +// [X] Platform: Mouse cursor shape and visibility. Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange' (note: the resizing cursors requires GLFW 3.4+). +// [X] Platform: Keyboard arrays indexed using GLFW_KEY_* codes, e.g. ImGui::IsKeyPressed(GLFW_KEY_SPACE). + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +// CHANGELOG +// (minor and older changes stripped away, please see git history for details) +// 2020-01-17: Inputs: Disable error callback while assigning mouse cursors because some X11 setup don't have them and it generates errors. +// 2019-12-05: Inputs: Added support for new mouse cursors added in GLFW 3.4+ (resizing cursors, not allowed cursor). +// 2019-10-18: Misc: Previously installed user callbacks are now restored on shutdown. +// 2019-07-21: Inputs: Added mapping for ImGuiKey_KeyPadEnter. +// 2019-05-11: Inputs: Don't filter value from character callback before calling AddInputCharacter(). +// 2019-03-12: Misc: Preserve DisplayFramebufferScale when main window is minimized. +// 2018-11-30: Misc: Setting up io.BackendPlatformName so it can be displayed in the About Window. +// 2018-11-07: Inputs: When installing our GLFW callbacks, we save user's previously installed ones - if any - and chain call them. +// 2018-08-01: Inputs: Workaround for Emscripten which doesn't seem to handle focus related calls. +// 2018-06-29: Inputs: Added support for the ImGuiMouseCursor_Hand cursor. +// 2018-06-08: Misc: Extracted imgui_impl_glfw.cpp/.h away from the old combined GLFW+OpenGL/Vulkan examples. +// 2018-03-20: Misc: Setup io.BackendFlags ImGuiBackendFlags_HasMouseCursors flag + honor ImGuiConfigFlags_NoMouseCursorChange flag. +// 2018-02-20: Inputs: Added support for mouse cursors (ImGui::GetMouseCursor() value, passed to glfwSetCursor()). +// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. +// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. +// 2018-01-25: Inputs: Added gamepad support if ImGuiConfigFlags_NavEnableGamepad is set. +// 2018-01-25: Inputs: Honoring the io.WantSetMousePos by repositioning the mouse (when using navigation and ImGuiConfigFlags_NavMoveMouse is set). +// 2018-01-20: Inputs: Added Horizontal Mouse Wheel support. +// 2018-01-18: Inputs: Added mapping for ImGuiKey_Insert. +// 2017-08-25: Inputs: MousePos set to -FLT_MAX,-FLT_MAX when mouse is unavailable/missing (instead of -1,-1). +// 2016-10-15: Misc: Added a void* user_data parameter to Clipboard function handlers. + +#include "imgui.h" +#include "imgui_impl_glfw.h" + +// GLFW +#include +#ifdef _WIN32 +#undef APIENTRY +#define GLFW_EXPOSE_NATIVE_WIN32 +#include // for glfwGetWin32Window +#endif +#define GLFW_HAS_WINDOW_TOPMOST (GLFW_VERSION_MAJOR * 1000 + GLFW_VERSION_MINOR * 100 >= 3200) // 3.2+ GLFW_FLOATING +#define GLFW_HAS_WINDOW_HOVERED (GLFW_VERSION_MAJOR * 1000 + GLFW_VERSION_MINOR * 100 >= 3300) // 3.3+ GLFW_HOVERED +#define GLFW_HAS_WINDOW_ALPHA (GLFW_VERSION_MAJOR * 1000 + GLFW_VERSION_MINOR * 100 >= 3300) // 3.3+ glfwSetWindowOpacity +#define GLFW_HAS_PER_MONITOR_DPI (GLFW_VERSION_MAJOR * 1000 + GLFW_VERSION_MINOR * 100 >= 3300) // 3.3+ glfwGetMonitorContentScale +#define GLFW_HAS_VULKAN (GLFW_VERSION_MAJOR * 1000 + GLFW_VERSION_MINOR * 100 >= 3200) // 3.2+ glfwCreateWindowSurface +#ifdef GLFW_RESIZE_NESW_CURSOR // let's be nice to people who pulled GLFW between 2019-04-16 (3.4 define) and 2019-11-29 (cursors defines) // FIXME: Remove when GLFW 3.4 is released? +#define GLFW_HAS_NEW_CURSORS (GLFW_VERSION_MAJOR * 1000 + GLFW_VERSION_MINOR * 100 >= 3400) // 3.4+ GLFW_RESIZE_ALL_CURSOR, GLFW_RESIZE_NESW_CURSOR, GLFW_RESIZE_NWSE_CURSOR, GLFW_NOT_ALLOWED_CURSOR +#else +#define GLFW_HAS_NEW_CURSORS (0) +#endif + +// Data +enum GlfwClientApi +{ + GlfwClientApi_Unknown, + GlfwClientApi_OpenGL, + GlfwClientApi_Vulkan +}; +static GLFWwindow* g_Window = NULL; // Main window +static GlfwClientApi g_ClientApi = GlfwClientApi_Unknown; +static double g_Time = 0.0; +static bool g_MouseJustPressed[5] = { false, false, false, false, false }; +static GLFWcursor* g_MouseCursors[ImGuiMouseCursor_COUNT] = {}; +static bool g_InstalledCallbacks = false; + +// Chain GLFW callbacks: our callbacks will call the user's previously installed callbacks, if any. +static GLFWmousebuttonfun g_PrevUserCallbackMousebutton = NULL; +static GLFWscrollfun g_PrevUserCallbackScroll = NULL; +static GLFWkeyfun g_PrevUserCallbackKey = NULL; +static GLFWcharfun g_PrevUserCallbackChar = NULL; + +static const char* ImGui_ImplGlfw_GetClipboardText(void* user_data) +{ + return glfwGetClipboardString((GLFWwindow*)user_data); +} + +static void ImGui_ImplGlfw_SetClipboardText(void* user_data, const char* text) +{ + glfwSetClipboardString((GLFWwindow*)user_data, text); +} + +void ImGui_ImplGlfw_MouseButtonCallback(GLFWwindow* window, int button, int action, int mods) +{ + if (g_PrevUserCallbackMousebutton != NULL) + g_PrevUserCallbackMousebutton(window, button, action, mods); + + if (action == GLFW_PRESS && button >= 0 && button < IM_ARRAYSIZE(g_MouseJustPressed)) + g_MouseJustPressed[button] = true; +} + +void ImGui_ImplGlfw_ScrollCallback(GLFWwindow* window, double xoffset, double yoffset) +{ + if (g_PrevUserCallbackScroll != NULL) + g_PrevUserCallbackScroll(window, xoffset, yoffset); + + ImGuiIO& io = ImGui::GetIO(); + io.MouseWheelH += (float)xoffset; + io.MouseWheel += (float)yoffset; +} + +void ImGui_ImplGlfw_KeyCallback(GLFWwindow* window, int key, int scancode, int action, int mods) +{ + if (g_PrevUserCallbackKey != NULL) + g_PrevUserCallbackKey(window, key, scancode, action, mods); + + ImGuiIO& io = ImGui::GetIO(); + if (action == GLFW_PRESS) + io.KeysDown[key] = true; + if (action == GLFW_RELEASE) + io.KeysDown[key] = false; + + // Modifiers are not reliable across systems + io.KeyCtrl = io.KeysDown[GLFW_KEY_LEFT_CONTROL] || io.KeysDown[GLFW_KEY_RIGHT_CONTROL]; + io.KeyShift = io.KeysDown[GLFW_KEY_LEFT_SHIFT] || io.KeysDown[GLFW_KEY_RIGHT_SHIFT]; + io.KeyAlt = io.KeysDown[GLFW_KEY_LEFT_ALT] || io.KeysDown[GLFW_KEY_RIGHT_ALT]; +#ifdef _WIN32 + io.KeySuper = false; +#else + io.KeySuper = io.KeysDown[GLFW_KEY_LEFT_SUPER] || io.KeysDown[GLFW_KEY_RIGHT_SUPER]; +#endif +} + +void ImGui_ImplGlfw_CharCallback(GLFWwindow* window, unsigned int c) +{ + if (g_PrevUserCallbackChar != NULL) + g_PrevUserCallbackChar(window, c); + + ImGuiIO& io = ImGui::GetIO(); + io.AddInputCharacter(c); +} + +static bool ImGui_ImplGlfw_Init(GLFWwindow* window, bool install_callbacks, GlfwClientApi client_api) +{ + g_Window = window; + g_Time = 0.0; + + // Setup back-end capabilities flags + ImGuiIO& io = ImGui::GetIO(); + io.BackendFlags |= ImGuiBackendFlags_HasMouseCursors; // We can honor GetMouseCursor() values (optional) + io.BackendFlags |= ImGuiBackendFlags_HasSetMousePos; // We can honor io.WantSetMousePos requests (optional, rarely used) + io.BackendPlatformName = "imgui_impl_glfw"; + + // Keyboard mapping. ImGui will use those indices to peek into the io.KeysDown[] array. + io.KeyMap[ImGuiKey_Tab] = GLFW_KEY_TAB; + io.KeyMap[ImGuiKey_LeftArrow] = GLFW_KEY_LEFT; + io.KeyMap[ImGuiKey_RightArrow] = GLFW_KEY_RIGHT; + io.KeyMap[ImGuiKey_UpArrow] = GLFW_KEY_UP; + io.KeyMap[ImGuiKey_DownArrow] = GLFW_KEY_DOWN; + io.KeyMap[ImGuiKey_PageUp] = GLFW_KEY_PAGE_UP; + io.KeyMap[ImGuiKey_PageDown] = GLFW_KEY_PAGE_DOWN; + io.KeyMap[ImGuiKey_Home] = GLFW_KEY_HOME; + io.KeyMap[ImGuiKey_End] = GLFW_KEY_END; + io.KeyMap[ImGuiKey_Insert] = GLFW_KEY_INSERT; + io.KeyMap[ImGuiKey_Delete] = GLFW_KEY_DELETE; + io.KeyMap[ImGuiKey_Backspace] = GLFW_KEY_BACKSPACE; + io.KeyMap[ImGuiKey_Space] = GLFW_KEY_SPACE; + io.KeyMap[ImGuiKey_Enter] = GLFW_KEY_ENTER; + io.KeyMap[ImGuiKey_Escape] = GLFW_KEY_ESCAPE; + io.KeyMap[ImGuiKey_KeyPadEnter] = GLFW_KEY_KP_ENTER; + io.KeyMap[ImGuiKey_A] = GLFW_KEY_A; + io.KeyMap[ImGuiKey_C] = GLFW_KEY_C; + io.KeyMap[ImGuiKey_V] = GLFW_KEY_V; + io.KeyMap[ImGuiKey_X] = GLFW_KEY_X; + io.KeyMap[ImGuiKey_Y] = GLFW_KEY_Y; + io.KeyMap[ImGuiKey_Z] = GLFW_KEY_Z; + + io.SetClipboardTextFn = ImGui_ImplGlfw_SetClipboardText; + io.GetClipboardTextFn = ImGui_ImplGlfw_GetClipboardText; + io.ClipboardUserData = g_Window; +#if defined(_WIN32) + io.ImeWindowHandle = (void*)glfwGetWin32Window(g_Window); +#endif + + // Create mouse cursors + // (By design, on X11 cursors are user configurable and some cursors may be missing. When a cursor doesn't exist, + // GLFW will emit an error which will often be printed by the app, so we temporarily disable error reporting. + // Missing cursors will return NULL and our _UpdateMouseCursor() function will use the Arrow cursor instead.) + GLFWerrorfun prev_error_callback = glfwSetErrorCallback(NULL); + g_MouseCursors[ImGuiMouseCursor_Arrow] = glfwCreateStandardCursor(GLFW_ARROW_CURSOR); + g_MouseCursors[ImGuiMouseCursor_TextInput] = glfwCreateStandardCursor(GLFW_IBEAM_CURSOR); + g_MouseCursors[ImGuiMouseCursor_ResizeNS] = glfwCreateStandardCursor(GLFW_VRESIZE_CURSOR); + g_MouseCursors[ImGuiMouseCursor_ResizeEW] = glfwCreateStandardCursor(GLFW_HRESIZE_CURSOR); + g_MouseCursors[ImGuiMouseCursor_Hand] = glfwCreateStandardCursor(GLFW_HAND_CURSOR); +#if GLFW_HAS_NEW_CURSORS + g_MouseCursors[ImGuiMouseCursor_ResizeAll] = glfwCreateStandardCursor(GLFW_RESIZE_ALL_CURSOR); + g_MouseCursors[ImGuiMouseCursor_ResizeNESW] = glfwCreateStandardCursor(GLFW_RESIZE_NESW_CURSOR); + g_MouseCursors[ImGuiMouseCursor_ResizeNWSE] = glfwCreateStandardCursor(GLFW_RESIZE_NWSE_CURSOR); + g_MouseCursors[ImGuiMouseCursor_NotAllowed] = glfwCreateStandardCursor(GLFW_NOT_ALLOWED_CURSOR); +#else + g_MouseCursors[ImGuiMouseCursor_ResizeAll] = glfwCreateStandardCursor(GLFW_ARROW_CURSOR); + g_MouseCursors[ImGuiMouseCursor_ResizeNESW] = glfwCreateStandardCursor(GLFW_ARROW_CURSOR); + g_MouseCursors[ImGuiMouseCursor_ResizeNWSE] = glfwCreateStandardCursor(GLFW_ARROW_CURSOR); + g_MouseCursors[ImGuiMouseCursor_NotAllowed] = glfwCreateStandardCursor(GLFW_ARROW_CURSOR); +#endif + glfwSetErrorCallback(prev_error_callback); + + // Chain GLFW callbacks: our callbacks will call the user's previously installed callbacks, if any. + g_PrevUserCallbackMousebutton = NULL; + g_PrevUserCallbackScroll = NULL; + g_PrevUserCallbackKey = NULL; + g_PrevUserCallbackChar = NULL; + if (install_callbacks) + { + g_InstalledCallbacks = true; + g_PrevUserCallbackMousebutton = glfwSetMouseButtonCallback(window, ImGui_ImplGlfw_MouseButtonCallback); + g_PrevUserCallbackScroll = glfwSetScrollCallback(window, ImGui_ImplGlfw_ScrollCallback); + g_PrevUserCallbackKey = glfwSetKeyCallback(window, ImGui_ImplGlfw_KeyCallback); + g_PrevUserCallbackChar = glfwSetCharCallback(window, ImGui_ImplGlfw_CharCallback); + } + + g_ClientApi = client_api; + return true; +} + +bool ImGui_ImplGlfw_InitForOpenGL(GLFWwindow* window, bool install_callbacks) +{ + return ImGui_ImplGlfw_Init(window, install_callbacks, GlfwClientApi_OpenGL); +} + +bool ImGui_ImplGlfw_InitForVulkan(GLFWwindow* window, bool install_callbacks) +{ + return ImGui_ImplGlfw_Init(window, install_callbacks, GlfwClientApi_Vulkan); +} + +void ImGui_ImplGlfw_Shutdown() +{ + if (g_InstalledCallbacks) + { + glfwSetMouseButtonCallback(g_Window, g_PrevUserCallbackMousebutton); + glfwSetScrollCallback(g_Window, g_PrevUserCallbackScroll); + glfwSetKeyCallback(g_Window, g_PrevUserCallbackKey); + glfwSetCharCallback(g_Window, g_PrevUserCallbackChar); + g_InstalledCallbacks = false; + } + + for (ImGuiMouseCursor cursor_n = 0; cursor_n < ImGuiMouseCursor_COUNT; cursor_n++) + { + glfwDestroyCursor(g_MouseCursors[cursor_n]); + g_MouseCursors[cursor_n] = NULL; + } + g_ClientApi = GlfwClientApi_Unknown; +} + +static void ImGui_ImplGlfw_UpdateMousePosAndButtons() +{ + // Update buttons + ImGuiIO& io = ImGui::GetIO(); + for (int i = 0; i < IM_ARRAYSIZE(io.MouseDown); i++) + { + // If a mouse press event came, always pass it as "mouse held this frame", so we don't miss click-release events that are shorter than 1 frame. + io.MouseDown[i] = g_MouseJustPressed[i] || glfwGetMouseButton(g_Window, i) != 0; + g_MouseJustPressed[i] = false; + } + + // Update mouse position + const ImVec2 mouse_pos_backup = io.MousePos; + io.MousePos = ImVec2(-FLT_MAX, -FLT_MAX); +#ifdef __EMSCRIPTEN__ + const bool focused = true; // Emscripten +#else + const bool focused = glfwGetWindowAttrib(g_Window, GLFW_FOCUSED) != 0; +#endif + if (focused) + { + if (io.WantSetMousePos) + { + glfwSetCursorPos(g_Window, (double)mouse_pos_backup.x, (double)mouse_pos_backup.y); + } + else + { + double mouse_x, mouse_y; + glfwGetCursorPos(g_Window, &mouse_x, &mouse_y); + io.MousePos = ImVec2((float)mouse_x, (float)mouse_y); + } + } +} + +static void ImGui_ImplGlfw_UpdateMouseCursor() +{ + ImGuiIO& io = ImGui::GetIO(); + if ((io.ConfigFlags & ImGuiConfigFlags_NoMouseCursorChange) || glfwGetInputMode(g_Window, GLFW_CURSOR) == GLFW_CURSOR_DISABLED) + return; + + ImGuiMouseCursor imgui_cursor = ImGui::GetMouseCursor(); + if (imgui_cursor == ImGuiMouseCursor_None || io.MouseDrawCursor) + { + // Hide OS mouse cursor if imgui is drawing it or if it wants no cursor + glfwSetInputMode(g_Window, GLFW_CURSOR, GLFW_CURSOR_HIDDEN); + } + else + { + // Show OS mouse cursor + // FIXME-PLATFORM: Unfocused windows seems to fail changing the mouse cursor with GLFW 3.2, but 3.3 works here. + glfwSetCursor(g_Window, g_MouseCursors[imgui_cursor] ? g_MouseCursors[imgui_cursor] : g_MouseCursors[ImGuiMouseCursor_Arrow]); + glfwSetInputMode(g_Window, GLFW_CURSOR, GLFW_CURSOR_NORMAL); + } +} + +static void ImGui_ImplGlfw_UpdateGamepads() +{ + ImGuiIO& io = ImGui::GetIO(); + memset(io.NavInputs, 0, sizeof(io.NavInputs)); + if ((io.ConfigFlags & ImGuiConfigFlags_NavEnableGamepad) == 0) + return; + + // Update gamepad inputs + #define MAP_BUTTON(NAV_NO, BUTTON_NO) { if (buttons_count > BUTTON_NO && buttons[BUTTON_NO] == GLFW_PRESS) io.NavInputs[NAV_NO] = 1.0f; } + #define MAP_ANALOG(NAV_NO, AXIS_NO, V0, V1) { float v = (axes_count > AXIS_NO) ? axes[AXIS_NO] : V0; v = (v - V0) / (V1 - V0); if (v > 1.0f) v = 1.0f; if (io.NavInputs[NAV_NO] < v) io.NavInputs[NAV_NO] = v; } + int axes_count = 0, buttons_count = 0; + const float* axes = glfwGetJoystickAxes(GLFW_JOYSTICK_1, &axes_count); + const unsigned char* buttons = glfwGetJoystickButtons(GLFW_JOYSTICK_1, &buttons_count); + MAP_BUTTON(ImGuiNavInput_Activate, 0); // Cross / A + MAP_BUTTON(ImGuiNavInput_Cancel, 1); // Circle / B + MAP_BUTTON(ImGuiNavInput_Menu, 2); // Square / X + MAP_BUTTON(ImGuiNavInput_Input, 3); // Triangle / Y + MAP_BUTTON(ImGuiNavInput_DpadLeft, 13); // D-Pad Left + MAP_BUTTON(ImGuiNavInput_DpadRight, 11); // D-Pad Right + MAP_BUTTON(ImGuiNavInput_DpadUp, 10); // D-Pad Up + MAP_BUTTON(ImGuiNavInput_DpadDown, 12); // D-Pad Down + MAP_BUTTON(ImGuiNavInput_FocusPrev, 4); // L1 / LB + MAP_BUTTON(ImGuiNavInput_FocusNext, 5); // R1 / RB + MAP_BUTTON(ImGuiNavInput_TweakSlow, 4); // L1 / LB + MAP_BUTTON(ImGuiNavInput_TweakFast, 5); // R1 / RB + MAP_ANALOG(ImGuiNavInput_LStickLeft, 0, -0.3f, -0.9f); + MAP_ANALOG(ImGuiNavInput_LStickRight,0, +0.3f, +0.9f); + MAP_ANALOG(ImGuiNavInput_LStickUp, 1, +0.3f, +0.9f); + MAP_ANALOG(ImGuiNavInput_LStickDown, 1, -0.3f, -0.9f); + #undef MAP_BUTTON + #undef MAP_ANALOG + if (axes_count > 0 && buttons_count > 0) + io.BackendFlags |= ImGuiBackendFlags_HasGamepad; + else + io.BackendFlags &= ~ImGuiBackendFlags_HasGamepad; +} + +void ImGui_ImplGlfw_NewFrame() +{ + ImGuiIO& io = ImGui::GetIO(); + IM_ASSERT(io.Fonts->IsBuilt() && "Font atlas not built! It is generally built by the renderer back-end. Missing call to renderer _NewFrame() function? e.g. ImGui_ImplOpenGL3_NewFrame()."); + + // Setup display size (every frame to accommodate for window resizing) + int w, h; + int display_w, display_h; + glfwGetWindowSize(g_Window, &w, &h); + glfwGetFramebufferSize(g_Window, &display_w, &display_h); + io.DisplaySize = ImVec2((float)w, (float)h); + if (w > 0 && h > 0) + io.DisplayFramebufferScale = ImVec2((float)display_w / w, (float)display_h / h); + + // Setup time step + double current_time = glfwGetTime(); + io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f/60.0f); + g_Time = current_time; + + ImGui_ImplGlfw_UpdateMousePosAndButtons(); + ImGui_ImplGlfw_UpdateMouseCursor(); + + // Update game controllers (if enabled and available) + ImGui_ImplGlfw_UpdateGamepads(); +} diff --git a/imgui-submodule/imgui/examples/imgui_impl_glfw.h b/imgui-submodule/imgui/examples/imgui_impl_glfw.h new file mode 100644 index 0000000..a86790b --- /dev/null +++ b/imgui-submodule/imgui/examples/imgui_impl_glfw.h @@ -0,0 +1,34 @@ +// dear imgui: Platform Binding for GLFW +// This needs to be used along with a Renderer (e.g. OpenGL3, Vulkan..) +// (Info: GLFW is a cross-platform general purpose library for handling windows, inputs, OpenGL/Vulkan graphics context creation, etc.) + +// Implemented features: +// [X] Platform: Clipboard support. +// [X] Platform: Gamepad support. Enable with 'io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad'. +// [x] Platform: Mouse cursor shape and visibility. Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange'. FIXME: 3 cursors types are missing from GLFW. +// [X] Platform: Keyboard arrays indexed using GLFW_KEY_* codes, e.g. ImGui::IsKeyPressed(GLFW_KEY_SPACE). + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +// About GLSL version: +// The 'glsl_version' initialization parameter defaults to "#version 150" if NULL. +// Only override if your GL version doesn't handle this GLSL version. Keep NULL if unsure! + +#pragma once + +struct GLFWwindow; + +IMGUI_IMPL_API bool ImGui_ImplGlfw_InitForOpenGL(GLFWwindow* window, bool install_callbacks); +IMGUI_IMPL_API bool ImGui_ImplGlfw_InitForVulkan(GLFWwindow* window, bool install_callbacks); +IMGUI_IMPL_API void ImGui_ImplGlfw_Shutdown(); +IMGUI_IMPL_API void ImGui_ImplGlfw_NewFrame(); + +// GLFW callbacks +// - When calling Init with 'install_callbacks=true': GLFW callbacks will be installed for you. They will call user's previously installed callbacks, if any. +// - When calling Init with 'install_callbacks=false': GLFW callbacks won't be installed. You will need to call those function yourself from your own GLFW callbacks. +IMGUI_IMPL_API void ImGui_ImplGlfw_MouseButtonCallback(GLFWwindow* window, int button, int action, int mods); +IMGUI_IMPL_API void ImGui_ImplGlfw_ScrollCallback(GLFWwindow* window, double xoffset, double yoffset); +IMGUI_IMPL_API void ImGui_ImplGlfw_KeyCallback(GLFWwindow* window, int key, int scancode, int action, int mods); +IMGUI_IMPL_API void ImGui_ImplGlfw_CharCallback(GLFWwindow* window, unsigned int c); diff --git a/imgui-submodule/imgui/examples/imgui_impl_glut.cpp b/imgui-submodule/imgui/examples/imgui_impl_glut.cpp new file mode 100644 index 0000000..3c17bbf --- /dev/null +++ b/imgui-submodule/imgui/examples/imgui_impl_glut.cpp @@ -0,0 +1,216 @@ +// dear imgui: Platform Binding for GLUT/FreeGLUT +// This needs to be used along with a Renderer (e.g. OpenGL2) + +// !!! GLUT/FreeGLUT IS OBSOLETE SOFTWARE. Using GLUT is not recommended unless you really miss the 90's. !!! +// !!! If someone or something is teaching you GLUT in 2020, you are being abused. Please show some resistance. !!! +// !!! Nowadays, prefer using GLFW or SDL instead! + +// Issues: +// [ ] Platform: GLUT is unable to distinguish e.g. Backspace from CTRL+H or TAB from CTRL+I +// [ ] Platform: Missing mouse cursor shape/visibility support. +// [ ] Platform: Missing clipboard support (not supported by Glut). +// [ ] Platform: Missing gamepad support. + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +// CHANGELOG +// (minor and older changes stripped away, please see git history for details) +// 2019-04-03: Misc: Renamed imgui_impl_freeglut.cpp/.h to imgui_impl_glut.cpp/.h. +// 2019-03-25: Misc: Made io.DeltaTime always above zero. +// 2018-11-30: Misc: Setting up io.BackendPlatformName so it can be displayed in the About Window. +// 2018-03-22: Added GLUT Platform binding. + +#include "imgui.h" +#include "imgui_impl_glut.h" +#ifdef __APPLE__ + #include +#else + #include +#endif + +#ifdef _MSC_VER +#pragma warning (disable: 4505) // unreferenced local function has been removed (stb stuff) +#endif + +static int g_Time = 0; // Current time, in milliseconds + +bool ImGui_ImplGLUT_Init() +{ + ImGuiIO& io = ImGui::GetIO(); + +#ifdef FREEGLUT + io.BackendPlatformName ="imgui_impl_glut (freeglut)"; +#else + io.BackendPlatformName ="imgui_impl_glut"; +#endif + + g_Time = 0; + + // Glut has 1 function for characters and one for "special keys". We map the characters in the 0..255 range and the keys above. + io.KeyMap[ImGuiKey_Tab] = '\t'; // == 9 == CTRL+I + io.KeyMap[ImGuiKey_LeftArrow] = 256 + GLUT_KEY_LEFT; + io.KeyMap[ImGuiKey_RightArrow] = 256 + GLUT_KEY_RIGHT; + io.KeyMap[ImGuiKey_UpArrow] = 256 + GLUT_KEY_UP; + io.KeyMap[ImGuiKey_DownArrow] = 256 + GLUT_KEY_DOWN; + io.KeyMap[ImGuiKey_PageUp] = 256 + GLUT_KEY_PAGE_UP; + io.KeyMap[ImGuiKey_PageDown] = 256 + GLUT_KEY_PAGE_DOWN; + io.KeyMap[ImGuiKey_Home] = 256 + GLUT_KEY_HOME; + io.KeyMap[ImGuiKey_End] = 256 + GLUT_KEY_END; + io.KeyMap[ImGuiKey_Insert] = 256 + GLUT_KEY_INSERT; + io.KeyMap[ImGuiKey_Delete] = 127; + io.KeyMap[ImGuiKey_Backspace] = 8; // == CTRL+H + io.KeyMap[ImGuiKey_Space] = ' '; + io.KeyMap[ImGuiKey_Enter] = 13; // == CTRL+M + io.KeyMap[ImGuiKey_Escape] = 27; + io.KeyMap[ImGuiKey_KeyPadEnter] = 13; // == CTRL+M + io.KeyMap[ImGuiKey_A] = 'A'; + io.KeyMap[ImGuiKey_C] = 'C'; + io.KeyMap[ImGuiKey_V] = 'V'; + io.KeyMap[ImGuiKey_X] = 'X'; + io.KeyMap[ImGuiKey_Y] = 'Y'; + io.KeyMap[ImGuiKey_Z] = 'Z'; + + return true; +} + +void ImGui_ImplGLUT_InstallFuncs() +{ + glutReshapeFunc(ImGui_ImplGLUT_ReshapeFunc); + glutMotionFunc(ImGui_ImplGLUT_MotionFunc); + glutPassiveMotionFunc(ImGui_ImplGLUT_MotionFunc); + glutMouseFunc(ImGui_ImplGLUT_MouseFunc); +#ifdef __FREEGLUT_EXT_H__ + glutMouseWheelFunc(ImGui_ImplGLUT_MouseWheelFunc); +#endif + glutKeyboardFunc(ImGui_ImplGLUT_KeyboardFunc); + glutKeyboardUpFunc(ImGui_ImplGLUT_KeyboardUpFunc); + glutSpecialFunc(ImGui_ImplGLUT_SpecialFunc); + glutSpecialUpFunc(ImGui_ImplGLUT_SpecialUpFunc); +} + +void ImGui_ImplGLUT_Shutdown() +{ +} + +void ImGui_ImplGLUT_NewFrame() +{ + // Setup time step + ImGuiIO& io = ImGui::GetIO(); + int current_time = glutGet(GLUT_ELAPSED_TIME); + int delta_time_ms = (current_time - g_Time); + if (delta_time_ms <= 0) + delta_time_ms = 1; + io.DeltaTime = delta_time_ms / 1000.0f; + g_Time = current_time; + + // Start the frame + ImGui::NewFrame(); +} + +static void ImGui_ImplGLUT_UpdateKeyboardMods() +{ + ImGuiIO& io = ImGui::GetIO(); + int mods = glutGetModifiers(); + io.KeyCtrl = (mods & GLUT_ACTIVE_CTRL) != 0; + io.KeyShift = (mods & GLUT_ACTIVE_SHIFT) != 0; + io.KeyAlt = (mods & GLUT_ACTIVE_ALT) != 0; +} + +void ImGui_ImplGLUT_KeyboardFunc(unsigned char c, int x, int y) +{ + // Send character to imgui + //printf("char_down_func %d '%c'\n", c, c); + ImGuiIO& io = ImGui::GetIO(); + if (c >= 32) + io.AddInputCharacter((unsigned int)c); + + // Store letters in KeysDown[] array as both uppercase and lowercase + Handle GLUT translating CTRL+A..CTRL+Z as 1..26. + // This is a hacky mess but GLUT is unable to distinguish e.g. a TAB key from CTRL+I so this is probably the best we can do here. + if (c >= 1 && c <= 26) + io.KeysDown[c] = io.KeysDown[c - 1 + 'a'] = io.KeysDown[c - 1 + 'A'] = true; + else if (c >= 'a' && c <= 'z') + io.KeysDown[c] = io.KeysDown[c - 'a' + 'A'] = true; + else if (c >= 'A' && c <= 'Z') + io.KeysDown[c] = io.KeysDown[c - 'A' + 'a'] = true; + else + io.KeysDown[c] = true; + ImGui_ImplGLUT_UpdateKeyboardMods(); + (void)x; (void)y; // Unused +} + +void ImGui_ImplGLUT_KeyboardUpFunc(unsigned char c, int x, int y) +{ + //printf("char_up_func %d '%c'\n", c, c); + ImGuiIO& io = ImGui::GetIO(); + if (c >= 1 && c <= 26) + io.KeysDown[c] = io.KeysDown[c - 1 + 'a'] = io.KeysDown[c - 1 + 'A'] = false; + else if (c >= 'a' && c <= 'z') + io.KeysDown[c] = io.KeysDown[c - 'a' + 'A'] = false; + else if (c >= 'A' && c <= 'Z') + io.KeysDown[c] = io.KeysDown[c - 'A' + 'a'] = false; + else + io.KeysDown[c] = false; + ImGui_ImplGLUT_UpdateKeyboardMods(); + (void)x; (void)y; // Unused +} + +void ImGui_ImplGLUT_SpecialFunc(int key, int x, int y) +{ + //printf("key_down_func %d\n", key); + ImGuiIO& io = ImGui::GetIO(); + if (key + 256 < IM_ARRAYSIZE(io.KeysDown)) + io.KeysDown[key + 256] = true; + ImGui_ImplGLUT_UpdateKeyboardMods(); + (void)x; (void)y; // Unused +} + +void ImGui_ImplGLUT_SpecialUpFunc(int key, int x, int y) +{ + //printf("key_up_func %d\n", key); + ImGuiIO& io = ImGui::GetIO(); + if (key + 256 < IM_ARRAYSIZE(io.KeysDown)) + io.KeysDown[key + 256] = false; + ImGui_ImplGLUT_UpdateKeyboardMods(); + (void)x; (void)y; // Unused +} + +void ImGui_ImplGLUT_MouseFunc(int glut_button, int state, int x, int y) +{ + ImGuiIO& io = ImGui::GetIO(); + io.MousePos = ImVec2((float)x, (float)y); + int button = -1; + if (glut_button == GLUT_LEFT_BUTTON) button = 0; + if (glut_button == GLUT_RIGHT_BUTTON) button = 1; + if (glut_button == GLUT_MIDDLE_BUTTON) button = 2; + if (button != -1 && state == GLUT_DOWN) + io.MouseDown[button] = true; + if (button != -1 && state == GLUT_UP) + io.MouseDown[button] = false; +} + +#ifdef __FREEGLUT_EXT_H__ +void ImGui_ImplGLUT_MouseWheelFunc(int button, int dir, int x, int y) +{ + ImGuiIO& io = ImGui::GetIO(); + io.MousePos = ImVec2((float)x, (float)y); + if (dir > 0) + io.MouseWheel += 1.0; + else if (dir < 0) + io.MouseWheel -= 1.0; + (void)button; // Unused +} +#endif + +void ImGui_ImplGLUT_ReshapeFunc(int w, int h) +{ + ImGuiIO& io = ImGui::GetIO(); + io.DisplaySize = ImVec2((float)w, (float)h); +} + +void ImGui_ImplGLUT_MotionFunc(int x, int y) +{ + ImGuiIO& io = ImGui::GetIO(); + io.MousePos = ImVec2((float)x, (float)y); +} diff --git a/imgui-submodule/imgui/examples/imgui_impl_glut.h b/imgui-submodule/imgui/examples/imgui_impl_glut.h new file mode 100644 index 0000000..0c56120 --- /dev/null +++ b/imgui-submodule/imgui/examples/imgui_impl_glut.h @@ -0,0 +1,35 @@ +// dear imgui: Platform Binding for GLUT/FreeGLUT +// This needs to be used along with a Renderer (e.g. OpenGL2) + +// !!! GLUT/FreeGLUT IS OBSOLETE SOFTWARE. Using GLUT is not recommended unless you really miss the 90's. !!! +// !!! If someone or something is teaching you GLUT in 2020, you are being abused. Please show some resistance. !!! +// !!! Nowadays, prefer using GLFW or SDL instead! + +// Issues: +// [ ] Platform: GLUT is unable to distinguish e.g. Backspace from CTRL+H or TAB from CTRL+I +// [ ] Platform: Missing mouse cursor shape/visibility support. +// [ ] Platform: Missing clipboard support (not supported by Glut). +// [ ] Platform: Missing gamepad support. + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +#pragma once + +IMGUI_IMPL_API bool ImGui_ImplGLUT_Init(); +IMGUI_IMPL_API void ImGui_ImplGLUT_InstallFuncs(); +IMGUI_IMPL_API void ImGui_ImplGLUT_Shutdown(); +IMGUI_IMPL_API void ImGui_ImplGLUT_NewFrame(); + +// You can call ImGui_ImplGLUT_InstallFuncs() to get all those functions installed automatically, +// or call them yourself from your own GLUT handlers. We are using the same weird names as GLUT for consistency.. +//---------------------------------------- GLUT name --------------------------------------------- Decent Name --------- +IMGUI_IMPL_API void ImGui_ImplGLUT_ReshapeFunc(int w, int h); // ~ ResizeFunc +IMGUI_IMPL_API void ImGui_ImplGLUT_MotionFunc(int x, int y); // ~ MouseMoveFunc +IMGUI_IMPL_API void ImGui_ImplGLUT_MouseFunc(int button, int state, int x, int y); // ~ MouseButtonFunc +IMGUI_IMPL_API void ImGui_ImplGLUT_MouseWheelFunc(int button, int dir, int x, int y); // ~ MouseWheelFunc +IMGUI_IMPL_API void ImGui_ImplGLUT_KeyboardFunc(unsigned char c, int x, int y); // ~ CharPressedFunc +IMGUI_IMPL_API void ImGui_ImplGLUT_KeyboardUpFunc(unsigned char c, int x, int y); // ~ CharReleasedFunc +IMGUI_IMPL_API void ImGui_ImplGLUT_SpecialFunc(int key, int x, int y); // ~ KeyPressedFunc +IMGUI_IMPL_API void ImGui_ImplGLUT_SpecialUpFunc(int key, int x, int y); // ~ KeyReleasedFunc diff --git a/imgui-submodule/imgui/examples/imgui_impl_marmalade.cpp b/imgui-submodule/imgui/examples/imgui_impl_marmalade.cpp new file mode 100644 index 0000000..0675c6b --- /dev/null +++ b/imgui-submodule/imgui/examples/imgui_impl_marmalade.cpp @@ -0,0 +1,316 @@ +// dear imgui: Renderer + Platform Binding for Marmalade + IwGx +// Marmalade code: Copyright (C) 2015 by Giovanni Zito (this file is part of Dear ImGui) + +// Implemented features: +// [X] Renderer: User texture binding. Use 'CIwTexture*' as ImTextureID. Read the FAQ about ImTextureID! +// Missing features: +// [ ] Renderer: Clipping rectangles are not honored. + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +// CHANGELOG +// (minor and older changes stripped away, please see git history for details) +// 2019-07-21: Inputs: Added mapping for ImGuiKey_KeyPadEnter. +// 2019-05-11: Inputs: Don't filter value from character callback before calling AddInputCharacter(). +// 2018-11-30: Misc: Setting up io.BackendPlatformName/io.BackendRendererName so they can be displayed in the About Window. +// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback and exposed ImGui_Marmalade_RenderDrawData() in the .h file so you can call it yourself. +// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. +// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. + +#include "imgui.h" +#include "imgui_impl_marmalade.h" + +#include +#include +#include +#include +#include + +// Data +static double g_Time = 0.0f; +static bool g_MousePressed[3] = { false, false, false }; +static CIwTexture* g_FontTexture = NULL; +static char* g_ClipboardText = NULL; +static bool g_osdKeyboardEnabled = false; + +// use this setting to scale the interface - e.g. on device you could use 2 or 3 scale factor +static ImVec2 g_RenderScale = ImVec2(1.0f,1.0f); + +// Render function. +// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop) +void ImGui_Marmalade_RenderDrawData(ImDrawData* draw_data) +{ + // Avoid rendering when minimized + if (draw_data->DisplaySize.x <= 0.0f || draw_data->DisplaySize.y <= 0.0f) + return; + + // Render command lists + for (int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + const ImDrawIdx* idx_buffer = cmd_list->IdxBuffer.Data; + const int nVert = cmd_list->VtxBuffer.Size; + CIwFVec2* pVertStream = IW_GX_ALLOC(CIwFVec2, nVert); + CIwFVec2* pUVStream = IW_GX_ALLOC(CIwFVec2, nVert); + CIwColour* pColStream = IW_GX_ALLOC(CIwColour, nVert); + + for (int i = 0; i < nVert; i++) + { + // FIXME-OPT: optimize multiplication on GPU using vertex shader/projection matrix. + pVertStream[i].x = cmd_list->VtxBuffer[i].pos.x * g_RenderScale.x; + pVertStream[i].y = cmd_list->VtxBuffer[i].pos.y * g_RenderScale.y; + pUVStream[i].x = cmd_list->VtxBuffer[i].uv.x; + pUVStream[i].y = cmd_list->VtxBuffer[i].uv.y; + pColStream[i] = cmd_list->VtxBuffer[i].col; + } + + IwGxSetVertStreamScreenSpace(pVertStream, nVert); + IwGxSetUVStream(pUVStream); + IwGxSetColStream(pColStream, nVert); + IwGxSetNormStream(0); + + for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) + { + const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; + if (pcmd->UserCallback) + { + pcmd->UserCallback(cmd_list, pcmd); + } + else + { + // FIXME: Not honoring ClipRect fields. + CIwMaterial* pCurrentMaterial = IW_GX_ALLOC_MATERIAL(); + pCurrentMaterial->SetShadeMode(CIwMaterial::SHADE_FLAT); + pCurrentMaterial->SetCullMode(CIwMaterial::CULL_NONE); + pCurrentMaterial->SetFiltering(false); + pCurrentMaterial->SetAlphaMode(CIwMaterial::ALPHA_BLEND); + pCurrentMaterial->SetDepthWriteMode(CIwMaterial::DEPTH_WRITE_NORMAL); + pCurrentMaterial->SetAlphaTestMode(CIwMaterial::ALPHATEST_DISABLED); + pCurrentMaterial->SetTexture((CIwTexture*)pcmd->TextureId); + IwGxSetMaterial(pCurrentMaterial); + IwGxDrawPrims(IW_GX_TRI_LIST, (uint16*)idx_buffer, pcmd->ElemCount); + } + idx_buffer += pcmd->ElemCount; + } + IwGxFlush(); + } + + // TODO: restore modified state (i.e. mvp matrix) +} + +static const char* ImGui_Marmalade_GetClipboardText(void* /*user_data*/) +{ + if (!s3eClipboardAvailable()) + return NULL; + + if (int size = s3eClipboardGetText(NULL, 0)) + { + if (g_ClipboardText) + delete[] g_ClipboardText; + g_ClipboardText = new char[size]; + g_ClipboardText[0] = '\0'; + s3eClipboardGetText(g_ClipboardText, size); + } + + return g_ClipboardText; +} + +static void ImGui_Marmalade_SetClipboardText(void* /*user_data*/, const char* text) +{ + if (s3eClipboardAvailable()) + s3eClipboardSetText(text); +} + +int32 ImGui_Marmalade_PointerButtonEventCallback(void* system_data, void* user_data) +{ + // pEvent->m_Button is of type s3ePointerButton and indicates which mouse + // button was pressed. For touchscreen this should always have the value + // S3E_POINTER_BUTTON_SELECT + s3ePointerEvent* pEvent = (s3ePointerEvent*)system_data; + + if (pEvent->m_Pressed == 1) + { + if (pEvent->m_Button == S3E_POINTER_BUTTON_LEFTMOUSE) + g_MousePressed[0] = true; + if (pEvent->m_Button == S3E_POINTER_BUTTON_RIGHTMOUSE) + g_MousePressed[1] = true; + if (pEvent->m_Button == S3E_POINTER_BUTTON_MIDDLEMOUSE) + g_MousePressed[2] = true; + if (pEvent->m_Button == S3E_POINTER_BUTTON_MOUSEWHEELUP) + io.MouseWheel += pEvent->m_y; + if (pEvent->m_Button == S3E_POINTER_BUTTON_MOUSEWHEELDOWN) + io.MouseWheel += pEvent->m_y; + } + + return 0; +} + +int32 ImGui_Marmalade_KeyCallback(void* system_data, void* user_data) +{ + ImGuiIO& io = ImGui::GetIO(); + s3eKeyboardEvent* e = (s3eKeyboardEvent*)system_data; + if (e->m_Pressed == 1) + io.KeysDown[e->m_Key] = true; + if (e->m_Pressed == 0) + io.KeysDown[e->m_Key] = false; + + io.KeyCtrl = s3eKeyboardGetState(s3eKeyLeftControl) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightControl) == S3E_KEY_STATE_DOWN; + io.KeyShift = s3eKeyboardGetState(s3eKeyLeftShift) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightShift) == S3E_KEY_STATE_DOWN; + io.KeyAlt = s3eKeyboardGetState(s3eKeyLeftAlt) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightAlt) == S3E_KEY_STATE_DOWN; + io.KeySuper = s3eKeyboardGetState(s3eKeyLeftWindows) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightWindows) == S3E_KEY_STATE_DOWN; + + return 0; +} + +int32 ImGui_Marmalade_CharCallback(void* system_data, void* user_data) +{ + ImGuiIO& io = ImGui::GetIO(); + s3eKeyboardCharEvent* e = (s3eKeyboardCharEvent*)system_data; + io.AddInputCharacter((unsigned int)e->m_Char); + + return 0; +} + +bool ImGui_Marmalade_CreateDeviceObjects() +{ + // Build texture atlas + ImGuiIO& io = ImGui::GetIO(); + unsigned char* pixels; + int width, height; + io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); + + // Upload texture to graphics system + g_FontTexture = new CIwTexture(); + g_FontTexture->SetModifiable(true); + CIwImage& image = g_FontTexture->GetImage(); + image.SetFormat(CIwImage::ARGB_8888); + image.SetWidth(width); + image.SetHeight(height); + image.SetBuffers(); // allocates and own buffers + image.ReadTexels(pixels); + g_FontTexture->SetMipMapping(false); + g_FontTexture->SetFiltering(false); + g_FontTexture->Upload(); + + // Store our identifier + io.Fonts->TexID = (ImTextureID)g_FontTexture; + + return true; +} + +void ImGui_Marmalade_InvalidateDeviceObjects() +{ + if (g_ClipboardText) + { + delete[] g_ClipboardText; + g_ClipboardText = NULL; + } + + if (g_FontTexture) + { + delete g_FontTexture; + ImGui::GetIO().Fonts->TexID = 0; + g_FontTexture = NULL; + } +} + +bool ImGui_Marmalade_Init(bool install_callbacks) +{ + ImGuiIO& io = ImGui::GetIO(); + io.BackendPlatformName = io.BackendRendererName = "imgui_impl_marmalade"; + + io.KeyMap[ImGuiKey_Tab] = s3eKeyTab; // Keyboard mapping. ImGui will use those indices to peek into the io.KeysDown[] array. + io.KeyMap[ImGuiKey_LeftArrow] = s3eKeyLeft; + io.KeyMap[ImGuiKey_RightArrow] = s3eKeyRight; + io.KeyMap[ImGuiKey_UpArrow] = s3eKeyUp; + io.KeyMap[ImGuiKey_DownArrow] = s3eKeyDown; + io.KeyMap[ImGuiKey_PageUp] = s3eKeyPageUp; + io.KeyMap[ImGuiKey_PageDown] = s3eKeyPageDown; + io.KeyMap[ImGuiKey_Home] = s3eKeyHome; + io.KeyMap[ImGuiKey_End] = s3eKeyEnd; + io.KeyMap[ImGuiKey_Insert] = s3eKeyInsert; + io.KeyMap[ImGuiKey_Delete] = s3eKeyDelete; + io.KeyMap[ImGuiKey_Backspace] = s3eKeyBackspace; + io.KeyMap[ImGuiKey_Space] = s3eKeySpace; + io.KeyMap[ImGuiKey_Enter] = s3eKeyEnter; + io.KeyMap[ImGuiKey_Escape] = s3eKeyEsc; + io.KeyMap[ImGuiKey_KeyPadEnter] = s3eKeyNumPadEnter; + io.KeyMap[ImGuiKey_A] = s3eKeyA; + io.KeyMap[ImGuiKey_C] = s3eKeyC; + io.KeyMap[ImGuiKey_V] = s3eKeyV; + io.KeyMap[ImGuiKey_X] = s3eKeyX; + io.KeyMap[ImGuiKey_Y] = s3eKeyY; + io.KeyMap[ImGuiKey_Z] = s3eKeyZ; + + io.SetClipboardTextFn = ImGui_Marmalade_SetClipboardText; + io.GetClipboardTextFn = ImGui_Marmalade_GetClipboardText; + + if (install_callbacks) + { + s3ePointerRegister(S3E_POINTER_BUTTON_EVENT, ImGui_Marmalade_PointerButtonEventCallback, 0); + s3eKeyboardRegister(S3E_KEYBOARD_KEY_EVENT, ImGui_Marmalade_KeyCallback, 0); + s3eKeyboardRegister(S3E_KEYBOARD_CHAR_EVENT, ImGui_Marmalade_CharCallback, 0); + } + + return true; +} + +void ImGui_Marmalade_Shutdown() +{ + ImGui_Marmalade_InvalidateDeviceObjects(); +} + +void ImGui_Marmalade_NewFrame() +{ + if (!g_FontTexture) + ImGui_Marmalade_CreateDeviceObjects(); + + ImGuiIO& io = ImGui::GetIO(); + + // Setup display size (every frame to accommodate for window resizing) + int w = IwGxGetScreenWidth(), h = IwGxGetScreenHeight(); + io.DisplaySize = ImVec2((float)w, (float)h); + // For retina display or other situations where window coordinates are different from framebuffer coordinates. User storage only, presently not used by ImGui. + io.DisplayFramebufferScale = g_scale; + + // Setup time step + double current_time = s3eTimerGetUST() / 1000.0f; + io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f/60.0f); + g_Time = current_time; + + double mouse_x, mouse_y; + mouse_x = s3ePointerGetX(); + mouse_y = s3ePointerGetY(); + io.MousePos = ImVec2((float)mouse_x/g_scale.x, (float)mouse_y/g_scale.y); // Mouse position (set to -FLT_MAX,-FLT_MAX if no mouse / on another screen, etc.) + + for (int i = 0; i < 3; i++) + { + io.MouseDown[i] = g_MousePressed[i] || s3ePointerGetState((s3ePointerButton)i) != S3E_POINTER_STATE_UP; // If a mouse press event came, always pass it as "mouse held this frame", so we don't miss click-release events that are shorter than 1 frame. + g_MousePressed[i] = false; + } + + // TODO: Hide OS mouse cursor if ImGui is drawing it + // s3ePointerSetInt(S3E_POINTER_HIDE_CURSOR,(io.MouseDrawCursor ? 0 : 1)); + + // Show/hide OSD keyboard + if (io.WantTextInput) + { + // Some text input widget is active? + if (!g_osdKeyboardEnabled) + { + g_osdKeyboardEnabled = true; + s3eKeyboardSetInt(S3E_KEYBOARD_GET_CHAR, 1); // show OSD keyboard + } + } + else + { + // No text input widget is active + if (g_osdKeyboardEnabled) + { + g_osdKeyboardEnabled = false; + s3eKeyboardSetInt(S3E_KEYBOARD_GET_CHAR, 0); // hide OSD keyboard + } + } +} diff --git a/imgui-submodule/imgui/examples/imgui_impl_marmalade.h b/imgui-submodule/imgui/examples/imgui_impl_marmalade.h new file mode 100644 index 0000000..01fbd0d --- /dev/null +++ b/imgui-submodule/imgui/examples/imgui_impl_marmalade.h @@ -0,0 +1,26 @@ +// dear imgui: Renderer + Platform Binding for Marmalade + IwGx +// Marmalade code: Copyright (C) 2015 by Giovanni Zito (this file is part of Dear ImGui) + +// Implemented features: +// [X] Renderer: User texture binding. Use 'CIwTexture*' as ImTextureID. Read the FAQ about ImTextureID! + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +#pragma once + +IMGUI_IMPL_API bool ImGui_Marmalade_Init(bool install_callbacks); +IMGUI_IMPL_API void ImGui_Marmalade_Shutdown(); +IMGUI_IMPL_API void ImGui_Marmalade_NewFrame(); +IMGUI_IMPL_API void ImGui_Marmalade_RenderDrawData(ImDrawData* draw_data); + +// Use if you want to reset your rendering device without losing ImGui state. +IMGUI_IMPL_API void ImGui_Marmalade_InvalidateDeviceObjects(); +IMGUI_IMPL_API bool ImGui_Marmalade_CreateDeviceObjects(); + +// Callbacks (installed by default if you enable 'install_callbacks' during initialization) +// You can also handle inputs yourself and use those as a reference. +IMGUI_IMPL_API int32 ImGui_Marmalade_PointerButtonEventCallback(void* system_data, void* user_data); +IMGUI_IMPL_API int32 ImGui_Marmalade_KeyCallback(void* system_data, void* user_data); +IMGUI_IMPL_API int32 ImGui_Marmalade_CharCallback(void* system_data, void* user_data); diff --git a/imgui-submodule/imgui/examples/imgui_impl_metal.h b/imgui-submodule/imgui/examples/imgui_impl_metal.h new file mode 100644 index 0000000..f09a115 --- /dev/null +++ b/imgui-submodule/imgui/examples/imgui_impl_metal.h @@ -0,0 +1,26 @@ +// dear imgui: Renderer for Metal +// This needs to be used along with a Platform Binding (e.g. OSX) + +// Implemented features: +// [X] Renderer: User texture binding. Use 'MTLTexture' as ImTextureID. Read the FAQ about ImTextureID! +// [X] Renderer: Support for large meshes (64k+ vertices) with 16-bit indices. + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +@class MTLRenderPassDescriptor; +@protocol MTLDevice, MTLCommandBuffer, MTLRenderCommandEncoder; + +IMGUI_IMPL_API bool ImGui_ImplMetal_Init(id device); +IMGUI_IMPL_API void ImGui_ImplMetal_Shutdown(); +IMGUI_IMPL_API void ImGui_ImplMetal_NewFrame(MTLRenderPassDescriptor *renderPassDescriptor); +IMGUI_IMPL_API void ImGui_ImplMetal_RenderDrawData(ImDrawData* draw_data, + id commandBuffer, + id commandEncoder); + +// Called by Init/NewFrame/Shutdown +IMGUI_IMPL_API bool ImGui_ImplMetal_CreateFontsTexture(id device); +IMGUI_IMPL_API void ImGui_ImplMetal_DestroyFontsTexture(); +IMGUI_IMPL_API bool ImGui_ImplMetal_CreateDeviceObjects(id device); +IMGUI_IMPL_API void ImGui_ImplMetal_DestroyDeviceObjects(); diff --git a/imgui-submodule/imgui/examples/imgui_impl_metal.mm b/imgui-submodule/imgui/examples/imgui_impl_metal.mm new file mode 100644 index 0000000..7cdda73 --- /dev/null +++ b/imgui-submodule/imgui/examples/imgui_impl_metal.mm @@ -0,0 +1,550 @@ +// dear imgui: Renderer for Metal +// This needs to be used along with a Platform Binding (e.g. OSX) + +// Implemented features: +// [X] Renderer: User texture binding. Use 'MTLTexture' as ImTextureID. Read the FAQ about ImTextureID! +// [X] Renderer: Support for large meshes (64k+ vertices) with 16-bit indices. + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +// CHANGELOG +// (minor and older changes stripped away, please see git history for details) +// 2019-05-29: Metal: Added support for large mesh (64K+ vertices), enable ImGuiBackendFlags_RendererHasVtxOffset flag. +// 2019-04-30: Metal: Added support for special ImDrawCallback_ResetRenderState callback to reset render state. +// 2019-02-11: Metal: Projecting clipping rectangles correctly using draw_data->FramebufferScale to allow multi-viewports for retina display. +// 2018-11-30: Misc: Setting up io.BackendRendererName so it can be displayed in the About Window. +// 2018-07-05: Metal: Added new Metal backend implementation. + +#include "imgui.h" +#include "imgui_impl_metal.h" + +#import +// #import // Not supported in XCode 9.2. Maybe a macro to detect the SDK version can be used (something like #if MACOS_SDK >= 10.13 ...) +#import + +#pragma mark - Support classes + +// A wrapper around a MTLBuffer object that knows the last time it was reused +@interface MetalBuffer : NSObject +@property (nonatomic, strong) id buffer; +@property (nonatomic, assign) NSTimeInterval lastReuseTime; +- (instancetype)initWithBuffer:(id)buffer; +@end + +// An object that encapsulates the data necessary to uniquely identify a +// render pipeline state. These are used as cache keys. +@interface FramebufferDescriptor : NSObject +@property (nonatomic, assign) unsigned long sampleCount; +@property (nonatomic, assign) MTLPixelFormat colorPixelFormat; +@property (nonatomic, assign) MTLPixelFormat depthPixelFormat; +@property (nonatomic, assign) MTLPixelFormat stencilPixelFormat; +- (instancetype)initWithRenderPassDescriptor:(MTLRenderPassDescriptor *)renderPassDescriptor; +@end + +// A singleton that stores long-lived objects that are needed by the Metal +// renderer backend. Stores the render pipeline state cache and the default +// font texture, and manages the reusable buffer cache. +@interface MetalContext : NSObject +@property (nonatomic, strong) id depthStencilState; +@property (nonatomic, strong) FramebufferDescriptor *framebufferDescriptor; // framebuffer descriptor for current frame; transient +@property (nonatomic, strong) NSMutableDictionary *renderPipelineStateCache; // pipeline cache; keyed on framebuffer descriptors +@property (nonatomic, strong, nullable) id fontTexture; +@property (nonatomic, strong) NSMutableArray *bufferCache; +@property (nonatomic, assign) NSTimeInterval lastBufferCachePurge; +- (void)makeDeviceObjectsWithDevice:(id)device; +- (void)makeFontTextureWithDevice:(id)device; +- (MetalBuffer *)dequeueReusableBufferOfLength:(NSUInteger)length device:(id)device; +- (void)enqueueReusableBuffer:(MetalBuffer *)buffer; +- (id)renderPipelineStateForFrameAndDevice:(id)device; +- (void)emptyRenderPipelineStateCache; +- (void)setupRenderState:(ImDrawData *)drawData + commandBuffer:(id)commandBuffer + commandEncoder:(id)commandEncoder + renderPipelineState:(id)renderPipelineState + vertexBuffer:(MetalBuffer *)vertexBuffer + vertexBufferOffset:(size_t)vertexBufferOffset; +- (void)renderDrawData:(ImDrawData *)drawData + commandBuffer:(id)commandBuffer + commandEncoder:(id)commandEncoder; +@end + +static MetalContext *g_sharedMetalContext = nil; + +#pragma mark - ImGui API implementation + +bool ImGui_ImplMetal_Init(id device) +{ + ImGuiIO& io = ImGui::GetIO(); + io.BackendRendererName = "imgui_impl_metal"; + io.BackendFlags |= ImGuiBackendFlags_RendererHasVtxOffset; // We can honor the ImDrawCmd::VtxOffset field, allowing for large meshes. + + static dispatch_once_t onceToken; + dispatch_once(&onceToken, ^{ + g_sharedMetalContext = [[MetalContext alloc] init]; + }); + + ImGui_ImplMetal_CreateDeviceObjects(device); + + return true; +} + +void ImGui_ImplMetal_Shutdown() +{ + ImGui_ImplMetal_DestroyDeviceObjects(); +} + +void ImGui_ImplMetal_NewFrame(MTLRenderPassDescriptor *renderPassDescriptor) +{ + IM_ASSERT(g_sharedMetalContext != nil && "No Metal context. Did you call ImGui_ImplMetal_Init() ?"); + + g_sharedMetalContext.framebufferDescriptor = [[FramebufferDescriptor alloc] initWithRenderPassDescriptor:renderPassDescriptor]; +} + +// Metal Render function. +void ImGui_ImplMetal_RenderDrawData(ImDrawData* draw_data, id commandBuffer, id commandEncoder) +{ + [g_sharedMetalContext renderDrawData:draw_data commandBuffer:commandBuffer commandEncoder:commandEncoder]; +} + +bool ImGui_ImplMetal_CreateFontsTexture(id device) +{ + [g_sharedMetalContext makeFontTextureWithDevice:device]; + + ImGuiIO& io = ImGui::GetIO(); + io.Fonts->TexID = (__bridge void *)g_sharedMetalContext.fontTexture; // ImTextureID == void* + + return (g_sharedMetalContext.fontTexture != nil); +} + +void ImGui_ImplMetal_DestroyFontsTexture() +{ + ImGuiIO& io = ImGui::GetIO(); + g_sharedMetalContext.fontTexture = nil; + io.Fonts->TexID = nullptr; +} + +bool ImGui_ImplMetal_CreateDeviceObjects(id device) +{ + [g_sharedMetalContext makeDeviceObjectsWithDevice:device]; + + ImGui_ImplMetal_CreateFontsTexture(device); + + return true; +} + +void ImGui_ImplMetal_DestroyDeviceObjects() +{ + ImGui_ImplMetal_DestroyFontsTexture(); + [g_sharedMetalContext emptyRenderPipelineStateCache]; +} + +#pragma mark - MetalBuffer implementation + +@implementation MetalBuffer +- (instancetype)initWithBuffer:(id)buffer +{ + if ((self = [super init])) + { + _buffer = buffer; + _lastReuseTime = [NSDate date].timeIntervalSince1970; + } + return self; +} +@end + +#pragma mark - FramebufferDescriptor implementation + +@implementation FramebufferDescriptor +- (instancetype)initWithRenderPassDescriptor:(MTLRenderPassDescriptor *)renderPassDescriptor +{ + if ((self = [super init])) + { + _sampleCount = renderPassDescriptor.colorAttachments[0].texture.sampleCount; + _colorPixelFormat = renderPassDescriptor.colorAttachments[0].texture.pixelFormat; + _depthPixelFormat = renderPassDescriptor.depthAttachment.texture.pixelFormat; + _stencilPixelFormat = renderPassDescriptor.stencilAttachment.texture.pixelFormat; + } + return self; +} + +- (nonnull id)copyWithZone:(nullable NSZone *)zone +{ + FramebufferDescriptor *copy = [[FramebufferDescriptor allocWithZone:zone] init]; + copy.sampleCount = self.sampleCount; + copy.colorPixelFormat = self.colorPixelFormat; + copy.depthPixelFormat = self.depthPixelFormat; + copy.stencilPixelFormat = self.stencilPixelFormat; + return copy; +} + +- (NSUInteger)hash +{ + NSUInteger sc = _sampleCount & 0x3; + NSUInteger cf = _colorPixelFormat & 0x3FF; + NSUInteger df = _depthPixelFormat & 0x3FF; + NSUInteger sf = _stencilPixelFormat & 0x3FF; + NSUInteger hash = (sf << 22) | (df << 12) | (cf << 2) | sc; + return hash; +} + +- (BOOL)isEqual:(id)object +{ + FramebufferDescriptor *other = object; + if (![other isKindOfClass:[FramebufferDescriptor class]]) + return NO; + return other.sampleCount == self.sampleCount && + other.colorPixelFormat == self.colorPixelFormat && + other.depthPixelFormat == self.depthPixelFormat && + other.stencilPixelFormat == self.stencilPixelFormat; +} + +@end + +#pragma mark - MetalContext implementation + +@implementation MetalContext +- (instancetype)init { + if ((self = [super init])) + { + _renderPipelineStateCache = [NSMutableDictionary dictionary]; + _bufferCache = [NSMutableArray array]; + _lastBufferCachePurge = [NSDate date].timeIntervalSince1970; + } + return self; +} + +- (void)makeDeviceObjectsWithDevice:(id)device +{ + MTLDepthStencilDescriptor *depthStencilDescriptor = [[MTLDepthStencilDescriptor alloc] init]; + depthStencilDescriptor.depthWriteEnabled = NO; + depthStencilDescriptor.depthCompareFunction = MTLCompareFunctionAlways; + self.depthStencilState = [device newDepthStencilStateWithDescriptor:depthStencilDescriptor]; +} + +// We are retrieving and uploading the font atlas as a 4-channels RGBA texture here. +// In theory we could call GetTexDataAsAlpha8() and upload a 1-channel texture to save on memory access bandwidth. +// However, using a shader designed for 1-channel texture would make it less obvious to use the ImTextureID facility to render users own textures. +// You can make that change in your implementation. +- (void)makeFontTextureWithDevice:(id)device +{ + ImGuiIO &io = ImGui::GetIO(); + unsigned char* pixels; + int width, height; + io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); + MTLTextureDescriptor *textureDescriptor = [MTLTextureDescriptor texture2DDescriptorWithPixelFormat:MTLPixelFormatRGBA8Unorm + width:width + height:height + mipmapped:NO]; + textureDescriptor.usage = MTLTextureUsageShaderRead; +#if TARGET_OS_OSX + textureDescriptor.storageMode = MTLStorageModeManaged; +#else + textureDescriptor.storageMode = MTLStorageModeShared; +#endif + id texture = [device newTextureWithDescriptor:textureDescriptor]; + [texture replaceRegion:MTLRegionMake2D(0, 0, width, height) mipmapLevel:0 withBytes:pixels bytesPerRow:width * 4]; + self.fontTexture = texture; +} + +- (MetalBuffer *)dequeueReusableBufferOfLength:(NSUInteger)length device:(id)device +{ + NSTimeInterval now = [NSDate date].timeIntervalSince1970; + + // Purge old buffers that haven't been useful for a while + if (now - self.lastBufferCachePurge > 1.0) + { + NSMutableArray *survivors = [NSMutableArray array]; + for (MetalBuffer *candidate in self.bufferCache) + { + if (candidate.lastReuseTime > self.lastBufferCachePurge) + { + [survivors addObject:candidate]; + } + } + self.bufferCache = [survivors mutableCopy]; + self.lastBufferCachePurge = now; + } + + // See if we have a buffer we can reuse + MetalBuffer *bestCandidate = nil; + for (MetalBuffer *candidate in self.bufferCache) + if (candidate.buffer.length >= length && (bestCandidate == nil || bestCandidate.lastReuseTime > candidate.lastReuseTime)) + bestCandidate = candidate; + + if (bestCandidate != nil) + { + [self.bufferCache removeObject:bestCandidate]; + bestCandidate.lastReuseTime = now; + return bestCandidate; + } + + // No luck; make a new buffer + id backing = [device newBufferWithLength:length options:MTLResourceStorageModeShared]; + return [[MetalBuffer alloc] initWithBuffer:backing]; +} + +- (void)enqueueReusableBuffer:(MetalBuffer *)buffer +{ + [self.bufferCache addObject:buffer]; +} + +- (_Nullable id)renderPipelineStateForFrameAndDevice:(id)device +{ + // Try to retrieve a render pipeline state that is compatible with the framebuffer config for this frame + // The hit rate for this cache should be very near 100%. + id renderPipelineState = self.renderPipelineStateCache[self.framebufferDescriptor]; + + if (renderPipelineState == nil) + { + // No luck; make a new render pipeline state + renderPipelineState = [self _renderPipelineStateForFramebufferDescriptor:self.framebufferDescriptor device:device]; + // Cache render pipeline state for later reuse + self.renderPipelineStateCache[self.framebufferDescriptor] = renderPipelineState; + } + + return renderPipelineState; +} + +- (id)_renderPipelineStateForFramebufferDescriptor:(FramebufferDescriptor *)descriptor device:(id)device +{ + NSError *error = nil; + + NSString *shaderSource = @"" + "#include \n" + "using namespace metal;\n" + "\n" + "struct Uniforms {\n" + " float4x4 projectionMatrix;\n" + "};\n" + "\n" + "struct VertexIn {\n" + " float2 position [[attribute(0)]];\n" + " float2 texCoords [[attribute(1)]];\n" + " uchar4 color [[attribute(2)]];\n" + "};\n" + "\n" + "struct VertexOut {\n" + " float4 position [[position]];\n" + " float2 texCoords;\n" + " float4 color;\n" + "};\n" + "\n" + "vertex VertexOut vertex_main(VertexIn in [[stage_in]],\n" + " constant Uniforms &uniforms [[buffer(1)]]) {\n" + " VertexOut out;\n" + " out.position = uniforms.projectionMatrix * float4(in.position, 0, 1);\n" + " out.texCoords = in.texCoords;\n" + " out.color = float4(in.color) / float4(255.0);\n" + " return out;\n" + "}\n" + "\n" + "fragment half4 fragment_main(VertexOut in [[stage_in]],\n" + " texture2d texture [[texture(0)]]) {\n" + " constexpr sampler linearSampler(coord::normalized, min_filter::linear, mag_filter::linear, mip_filter::linear);\n" + " half4 texColor = texture.sample(linearSampler, in.texCoords);\n" + " return half4(in.color) * texColor;\n" + "}\n"; + + id library = [device newLibraryWithSource:shaderSource options:nil error:&error]; + if (library == nil) + { + NSLog(@"Error: failed to create Metal library: %@", error); + return nil; + } + + id vertexFunction = [library newFunctionWithName:@"vertex_main"]; + id fragmentFunction = [library newFunctionWithName:@"fragment_main"]; + + if (vertexFunction == nil || fragmentFunction == nil) + { + NSLog(@"Error: failed to find Metal shader functions in library: %@", error); + return nil; + } + + MTLVertexDescriptor *vertexDescriptor = [MTLVertexDescriptor vertexDescriptor]; + vertexDescriptor.attributes[0].offset = IM_OFFSETOF(ImDrawVert, pos); + vertexDescriptor.attributes[0].format = MTLVertexFormatFloat2; // position + vertexDescriptor.attributes[0].bufferIndex = 0; + vertexDescriptor.attributes[1].offset = IM_OFFSETOF(ImDrawVert, uv); + vertexDescriptor.attributes[1].format = MTLVertexFormatFloat2; // texCoords + vertexDescriptor.attributes[1].bufferIndex = 0; + vertexDescriptor.attributes[2].offset = IM_OFFSETOF(ImDrawVert, col); + vertexDescriptor.attributes[2].format = MTLVertexFormatUChar4; // color + vertexDescriptor.attributes[2].bufferIndex = 0; + vertexDescriptor.layouts[0].stepRate = 1; + vertexDescriptor.layouts[0].stepFunction = MTLVertexStepFunctionPerVertex; + vertexDescriptor.layouts[0].stride = sizeof(ImDrawVert); + + MTLRenderPipelineDescriptor *pipelineDescriptor = [[MTLRenderPipelineDescriptor alloc] init]; + pipelineDescriptor.vertexFunction = vertexFunction; + pipelineDescriptor.fragmentFunction = fragmentFunction; + pipelineDescriptor.vertexDescriptor = vertexDescriptor; + pipelineDescriptor.sampleCount = self.framebufferDescriptor.sampleCount; + pipelineDescriptor.colorAttachments[0].pixelFormat = self.framebufferDescriptor.colorPixelFormat; + pipelineDescriptor.colorAttachments[0].blendingEnabled = YES; + pipelineDescriptor.colorAttachments[0].rgbBlendOperation = MTLBlendOperationAdd; + pipelineDescriptor.colorAttachments[0].alphaBlendOperation = MTLBlendOperationAdd; + pipelineDescriptor.colorAttachments[0].sourceRGBBlendFactor = MTLBlendFactorSourceAlpha; + pipelineDescriptor.colorAttachments[0].sourceAlphaBlendFactor = MTLBlendFactorSourceAlpha; + pipelineDescriptor.colorAttachments[0].destinationRGBBlendFactor = MTLBlendFactorOneMinusSourceAlpha; + pipelineDescriptor.colorAttachments[0].destinationAlphaBlendFactor = MTLBlendFactorOneMinusSourceAlpha; + pipelineDescriptor.depthAttachmentPixelFormat = self.framebufferDescriptor.depthPixelFormat; + pipelineDescriptor.stencilAttachmentPixelFormat = self.framebufferDescriptor.stencilPixelFormat; + + id renderPipelineState = [device newRenderPipelineStateWithDescriptor:pipelineDescriptor error:&error]; + if (error != nil) + { + NSLog(@"Error: failed to create Metal pipeline state: %@", error); + } + + return renderPipelineState; +} + +- (void)emptyRenderPipelineStateCache +{ + [self.renderPipelineStateCache removeAllObjects]; +} + +- (void)setupRenderState:(ImDrawData *)drawData + commandBuffer:(id)commandBuffer + commandEncoder:(id)commandEncoder + renderPipelineState:(id)renderPipelineState + vertexBuffer:(MetalBuffer *)vertexBuffer + vertexBufferOffset:(size_t)vertexBufferOffset +{ + [commandEncoder setCullMode:MTLCullModeNone]; + [commandEncoder setDepthStencilState:g_sharedMetalContext.depthStencilState]; + + // Setup viewport, orthographic projection matrix + // Our visible imgui space lies from draw_data->DisplayPos (top left) to + // draw_data->DisplayPos+data_data->DisplaySize (bottom right). DisplayMin is typically (0,0) for single viewport apps. + MTLViewport viewport = + { + .originX = 0.0, + .originY = 0.0, + .width = (double)(drawData->DisplaySize.x * drawData->FramebufferScale.x), + .height = (double)(drawData->DisplaySize.y * drawData->FramebufferScale.y), + .znear = 0.0, + .zfar = 1.0 + }; + [commandEncoder setViewport:viewport]; + + float L = drawData->DisplayPos.x; + float R = drawData->DisplayPos.x + drawData->DisplaySize.x; + float T = drawData->DisplayPos.y; + float B = drawData->DisplayPos.y + drawData->DisplaySize.y; + float N = viewport.znear; + float F = viewport.zfar; + const float ortho_projection[4][4] = + { + { 2.0f/(R-L), 0.0f, 0.0f, 0.0f }, + { 0.0f, 2.0f/(T-B), 0.0f, 0.0f }, + { 0.0f, 0.0f, 1/(F-N), 0.0f }, + { (R+L)/(L-R), (T+B)/(B-T), N/(F-N), 1.0f }, + }; + [commandEncoder setVertexBytes:&ortho_projection length:sizeof(ortho_projection) atIndex:1]; + + [commandEncoder setRenderPipelineState:renderPipelineState]; + + [commandEncoder setVertexBuffer:vertexBuffer.buffer offset:0 atIndex:0]; + [commandEncoder setVertexBufferOffset:vertexBufferOffset atIndex:0]; +} + +- (void)renderDrawData:(ImDrawData *)drawData + commandBuffer:(id)commandBuffer + commandEncoder:(id)commandEncoder +{ + // Avoid rendering when minimized, scale coordinates for retina displays (screen coordinates != framebuffer coordinates) + int fb_width = (int)(drawData->DisplaySize.x * drawData->FramebufferScale.x); + int fb_height = (int)(drawData->DisplaySize.y * drawData->FramebufferScale.y); + if (fb_width <= 0 || fb_height <= 0 || drawData->CmdListsCount == 0) + return; + + id renderPipelineState = [self renderPipelineStateForFrameAndDevice:commandBuffer.device]; + + size_t vertexBufferLength = drawData->TotalVtxCount * sizeof(ImDrawVert); + size_t indexBufferLength = drawData->TotalIdxCount * sizeof(ImDrawIdx); + MetalBuffer* vertexBuffer = [self dequeueReusableBufferOfLength:vertexBufferLength device:commandBuffer.device]; + MetalBuffer* indexBuffer = [self dequeueReusableBufferOfLength:indexBufferLength device:commandBuffer.device]; + + [self setupRenderState:drawData commandBuffer:commandBuffer commandEncoder:commandEncoder renderPipelineState:renderPipelineState vertexBuffer:vertexBuffer vertexBufferOffset:0]; + + // Will project scissor/clipping rectangles into framebuffer space + ImVec2 clip_off = drawData->DisplayPos; // (0,0) unless using multi-viewports + ImVec2 clip_scale = drawData->FramebufferScale; // (1,1) unless using retina display which are often (2,2) + + // Render command lists + size_t vertexBufferOffset = 0; + size_t indexBufferOffset = 0; + for (int n = 0; n < drawData->CmdListsCount; n++) + { + const ImDrawList* cmd_list = drawData->CmdLists[n]; + + memcpy((char *)vertexBuffer.buffer.contents + vertexBufferOffset, cmd_list->VtxBuffer.Data, cmd_list->VtxBuffer.Size * sizeof(ImDrawVert)); + memcpy((char *)indexBuffer.buffer.contents + indexBufferOffset, cmd_list->IdxBuffer.Data, cmd_list->IdxBuffer.Size * sizeof(ImDrawIdx)); + + for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) + { + const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; + if (pcmd->UserCallback) + { + // User callback, registered via ImDrawList::AddCallback() + // (ImDrawCallback_ResetRenderState is a special callback value used by the user to request the renderer to reset render state.) + if (pcmd->UserCallback == ImDrawCallback_ResetRenderState) + [self setupRenderState:drawData commandBuffer:commandBuffer commandEncoder:commandEncoder renderPipelineState:renderPipelineState vertexBuffer:vertexBuffer vertexBufferOffset:vertexBufferOffset]; + else + pcmd->UserCallback(cmd_list, pcmd); + } + else + { + // Project scissor/clipping rectangles into framebuffer space + ImVec4 clip_rect; + clip_rect.x = (pcmd->ClipRect.x - clip_off.x) * clip_scale.x; + clip_rect.y = (pcmd->ClipRect.y - clip_off.y) * clip_scale.y; + clip_rect.z = (pcmd->ClipRect.z - clip_off.x) * clip_scale.x; + clip_rect.w = (pcmd->ClipRect.w - clip_off.y) * clip_scale.y; + + if (clip_rect.x < fb_width && clip_rect.y < fb_height && clip_rect.z >= 0.0f && clip_rect.w >= 0.0f) + { + // Apply scissor/clipping rectangle + MTLScissorRect scissorRect = + { + .x = NSUInteger(clip_rect.x), + .y = NSUInteger(clip_rect.y), + .width = NSUInteger(clip_rect.z - clip_rect.x), + .height = NSUInteger(clip_rect.w - clip_rect.y) + }; + [commandEncoder setScissorRect:scissorRect]; + + + // Bind texture, Draw + if (pcmd->TextureId != NULL) + [commandEncoder setFragmentTexture:(__bridge id)(pcmd->TextureId) atIndex:0]; + + [commandEncoder setVertexBufferOffset:(vertexBufferOffset + pcmd->VtxOffset * sizeof(ImDrawVert)) atIndex:0]; + [commandEncoder drawIndexedPrimitives:MTLPrimitiveTypeTriangle + indexCount:pcmd->ElemCount + indexType:sizeof(ImDrawIdx) == 2 ? MTLIndexTypeUInt16 : MTLIndexTypeUInt32 + indexBuffer:indexBuffer.buffer + indexBufferOffset:indexBufferOffset + pcmd->IdxOffset * sizeof(ImDrawIdx)]; + } + } + } + + vertexBufferOffset += cmd_list->VtxBuffer.Size * sizeof(ImDrawVert); + indexBufferOffset += cmd_list->IdxBuffer.Size * sizeof(ImDrawIdx); + } + + __weak id weakSelf = self; + [commandBuffer addCompletedHandler:^(id) + { + dispatch_async(dispatch_get_main_queue(), ^{ + [weakSelf enqueueReusableBuffer:vertexBuffer]; + [weakSelf enqueueReusableBuffer:indexBuffer]; + }); + }]; +} + +@end diff --git a/imgui-submodule/imgui/examples/imgui_impl_opengl2.cpp b/imgui-submodule/imgui/examples/imgui_impl_opengl2.cpp new file mode 100644 index 0000000..b062697 --- /dev/null +++ b/imgui-submodule/imgui/examples/imgui_impl_opengl2.cpp @@ -0,0 +1,248 @@ +// dear imgui: Renderer for OpenGL2 (legacy OpenGL, fixed pipeline) +// This needs to be used along with a Platform Binding (e.g. GLFW, SDL, Win32, custom..) + +// Implemented features: +// [X] Renderer: User texture binding. Use 'GLuint' OpenGL texture identifier as void*/ImTextureID. Read the FAQ about ImTextureID! + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +// **DO NOT USE THIS CODE IF YOUR CODE/ENGINE IS USING MODERN OPENGL (SHADERS, VBO, VAO, etc.)** +// **Prefer using the code in imgui_impl_opengl3.cpp** +// This code is mostly provided as a reference to learn how ImGui integration works, because it is shorter to read. +// If your code is using GL3+ context or any semi modern OpenGL calls, using this is likely to make everything more +// complicated, will require your code to reset every single OpenGL attributes to their initial state, and might +// confuse your GPU driver. +// The GL2 code is unable to reset attributes or even call e.g. "glUseProgram(0)" because they don't exist in that API. + +// CHANGELOG +// (minor and older changes stripped away, please see git history for details) +// 2020-01-23: OpenGL: Explicitly backup, setup and restore GL_TEXTURE_ENV to increase compatibility with legacy OpenGL applications. +// 2019-04-30: OpenGL: Added support for special ImDrawCallback_ResetRenderState callback to reset render state. +// 2019-02-11: OpenGL: Projecting clipping rectangles correctly using draw_data->FramebufferScale to allow multi-viewports for retina display. +// 2018-11-30: Misc: Setting up io.BackendRendererName so it can be displayed in the About Window. +// 2018-08-03: OpenGL: Disabling/restoring GL_LIGHTING and GL_COLOR_MATERIAL to increase compatibility with legacy OpenGL applications. +// 2018-06-08: Misc: Extracted imgui_impl_opengl2.cpp/.h away from the old combined GLFW/SDL+OpenGL2 examples. +// 2018-06-08: OpenGL: Use draw_data->DisplayPos and draw_data->DisplaySize to setup projection matrix and clipping rectangle. +// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback and exposed ImGui_ImplOpenGL2_RenderDrawData() in the .h file so you can call it yourself. +// 2017-09-01: OpenGL: Save and restore current polygon mode. +// 2016-09-10: OpenGL: Uploading font texture as RGBA32 to increase compatibility with users shaders (not ideal). +// 2016-09-05: OpenGL: Fixed save and restore of current scissor rectangle. + +#include "imgui.h" +#include "imgui_impl_opengl2.h" +#if defined(_MSC_VER) && _MSC_VER <= 1500 // MSVC 2008 or earlier +#include // intptr_t +#else +#include // intptr_t +#endif + +// Include OpenGL header (without an OpenGL loader) requires a bit of fiddling +#if defined(_WIN32) && !defined(APIENTRY) +#define APIENTRY __stdcall // It is customary to use APIENTRY for OpenGL function pointer declarations on all platforms. Additionally, the Windows OpenGL header needs APIENTRY. +#endif +#if defined(_WIN32) && !defined(WINGDIAPI) +#define WINGDIAPI __declspec(dllimport) // Some Windows OpenGL headers need this +#endif +#if defined(__APPLE__) +#define GL_SILENCE_DEPRECATION +#include +#else +#include +#endif + +// OpenGL Data +static GLuint g_FontTexture = 0; + +// Functions +bool ImGui_ImplOpenGL2_Init() +{ + // Setup back-end capabilities flags + ImGuiIO& io = ImGui::GetIO(); + io.BackendRendererName = "imgui_impl_opengl2"; + return true; +} + +void ImGui_ImplOpenGL2_Shutdown() +{ + ImGui_ImplOpenGL2_DestroyDeviceObjects(); +} + +void ImGui_ImplOpenGL2_NewFrame() +{ + if (!g_FontTexture) + ImGui_ImplOpenGL2_CreateDeviceObjects(); +} + +static void ImGui_ImplOpenGL2_SetupRenderState(ImDrawData* draw_data, int fb_width, int fb_height) +{ + // Setup render state: alpha-blending enabled, no face culling, no depth testing, scissor enabled, vertex/texcoord/color pointers, polygon fill. + glEnable(GL_BLEND); + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + glDisable(GL_CULL_FACE); + glDisable(GL_DEPTH_TEST); + glDisable(GL_LIGHTING); + glDisable(GL_COLOR_MATERIAL); + glEnable(GL_SCISSOR_TEST); + glEnableClientState(GL_VERTEX_ARRAY); + glEnableClientState(GL_TEXTURE_COORD_ARRAY); + glEnableClientState(GL_COLOR_ARRAY); + glEnable(GL_TEXTURE_2D); + glPolygonMode(GL_FRONT_AND_BACK, GL_FILL); + glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); + + // If you are using this code with non-legacy OpenGL header/contexts (which you should not, prefer using imgui_impl_opengl3.cpp!!), + // you may need to backup/reset/restore current shader using the lines below. DO NOT MODIFY THIS FILE! Add the code in your calling function: + // GLint last_program; + // glGetIntegerv(GL_CURRENT_PROGRAM, &last_program); + // glUseProgram(0); + // ImGui_ImplOpenGL2_RenderDrawData(...); + // glUseProgram(last_program) + + // Setup viewport, orthographic projection matrix + // Our visible imgui space lies from draw_data->DisplayPos (top left) to draw_data->DisplayPos+data_data->DisplaySize (bottom right). DisplayPos is (0,0) for single viewport apps. + glViewport(0, 0, (GLsizei)fb_width, (GLsizei)fb_height); + glMatrixMode(GL_PROJECTION); + glPushMatrix(); + glLoadIdentity(); + glOrtho(draw_data->DisplayPos.x, draw_data->DisplayPos.x + draw_data->DisplaySize.x, draw_data->DisplayPos.y + draw_data->DisplaySize.y, draw_data->DisplayPos.y, -1.0f, +1.0f); + glMatrixMode(GL_MODELVIEW); + glPushMatrix(); + glLoadIdentity(); +} + +// OpenGL2 Render function. +// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop) +// Note that this implementation is little overcomplicated because we are saving/setting up/restoring every OpenGL state explicitly, in order to be able to run within any OpenGL engine that doesn't do so. +void ImGui_ImplOpenGL2_RenderDrawData(ImDrawData* draw_data) +{ + // Avoid rendering when minimized, scale coordinates for retina displays (screen coordinates != framebuffer coordinates) + int fb_width = (int)(draw_data->DisplaySize.x * draw_data->FramebufferScale.x); + int fb_height = (int)(draw_data->DisplaySize.y * draw_data->FramebufferScale.y); + if (fb_width == 0 || fb_height == 0) + return; + + // Backup GL state + GLint last_texture; glGetIntegerv(GL_TEXTURE_BINDING_2D, &last_texture); + GLint last_polygon_mode[2]; glGetIntegerv(GL_POLYGON_MODE, last_polygon_mode); + GLint last_viewport[4]; glGetIntegerv(GL_VIEWPORT, last_viewport); + GLint last_scissor_box[4]; glGetIntegerv(GL_SCISSOR_BOX, last_scissor_box); + GLint last_tex_env_mode; glGetTexEnviv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, &last_tex_env_mode); + glPushAttrib(GL_ENABLE_BIT | GL_COLOR_BUFFER_BIT | GL_TRANSFORM_BIT); + + // Setup desired GL state + ImGui_ImplOpenGL2_SetupRenderState(draw_data, fb_width, fb_height); + + // Will project scissor/clipping rectangles into framebuffer space + ImVec2 clip_off = draw_data->DisplayPos; // (0,0) unless using multi-viewports + ImVec2 clip_scale = draw_data->FramebufferScale; // (1,1) unless using retina display which are often (2,2) + + // Render command lists + for (int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + const ImDrawVert* vtx_buffer = cmd_list->VtxBuffer.Data; + const ImDrawIdx* idx_buffer = cmd_list->IdxBuffer.Data; + glVertexPointer(2, GL_FLOAT, sizeof(ImDrawVert), (const GLvoid*)((const char*)vtx_buffer + IM_OFFSETOF(ImDrawVert, pos))); + glTexCoordPointer(2, GL_FLOAT, sizeof(ImDrawVert), (const GLvoid*)((const char*)vtx_buffer + IM_OFFSETOF(ImDrawVert, uv))); + glColorPointer(4, GL_UNSIGNED_BYTE, sizeof(ImDrawVert), (const GLvoid*)((const char*)vtx_buffer + IM_OFFSETOF(ImDrawVert, col))); + + for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) + { + const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; + if (pcmd->UserCallback) + { + // User callback, registered via ImDrawList::AddCallback() + // (ImDrawCallback_ResetRenderState is a special callback value used by the user to request the renderer to reset render state.) + if (pcmd->UserCallback == ImDrawCallback_ResetRenderState) + ImGui_ImplOpenGL2_SetupRenderState(draw_data, fb_width, fb_height); + else + pcmd->UserCallback(cmd_list, pcmd); + } + else + { + // Project scissor/clipping rectangles into framebuffer space + ImVec4 clip_rect; + clip_rect.x = (pcmd->ClipRect.x - clip_off.x) * clip_scale.x; + clip_rect.y = (pcmd->ClipRect.y - clip_off.y) * clip_scale.y; + clip_rect.z = (pcmd->ClipRect.z - clip_off.x) * clip_scale.x; + clip_rect.w = (pcmd->ClipRect.w - clip_off.y) * clip_scale.y; + + if (clip_rect.x < fb_width && clip_rect.y < fb_height && clip_rect.z >= 0.0f && clip_rect.w >= 0.0f) + { + // Apply scissor/clipping rectangle + glScissor((int)clip_rect.x, (int)(fb_height - clip_rect.w), (int)(clip_rect.z - clip_rect.x), (int)(clip_rect.w - clip_rect.y)); + + // Bind texture, Draw + glBindTexture(GL_TEXTURE_2D, (GLuint)(intptr_t)pcmd->TextureId); + glDrawElements(GL_TRIANGLES, (GLsizei)pcmd->ElemCount, sizeof(ImDrawIdx) == 2 ? GL_UNSIGNED_SHORT : GL_UNSIGNED_INT, idx_buffer); + } + } + idx_buffer += pcmd->ElemCount; + } + } + + // Restore modified GL state + glDisableClientState(GL_COLOR_ARRAY); + glDisableClientState(GL_TEXTURE_COORD_ARRAY); + glDisableClientState(GL_VERTEX_ARRAY); + glBindTexture(GL_TEXTURE_2D, (GLuint)last_texture); + glMatrixMode(GL_MODELVIEW); + glPopMatrix(); + glMatrixMode(GL_PROJECTION); + glPopMatrix(); + glPopAttrib(); + glPolygonMode(GL_FRONT, (GLenum)last_polygon_mode[0]); glPolygonMode(GL_BACK, (GLenum)last_polygon_mode[1]); + glViewport(last_viewport[0], last_viewport[1], (GLsizei)last_viewport[2], (GLsizei)last_viewport[3]); + glScissor(last_scissor_box[0], last_scissor_box[1], (GLsizei)last_scissor_box[2], (GLsizei)last_scissor_box[3]); + glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, last_tex_env_mode); +} + +bool ImGui_ImplOpenGL2_CreateFontsTexture() +{ + // Build texture atlas + ImGuiIO& io = ImGui::GetIO(); + unsigned char* pixels; + int width, height; + io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); // Load as RGBA 32-bit (75% of the memory is wasted, but default font is so small) because it is more likely to be compatible with user's existing shaders. If your ImTextureId represent a higher-level concept than just a GL texture id, consider calling GetTexDataAsAlpha8() instead to save on GPU memory. + + // Upload texture to graphics system + GLint last_texture; + glGetIntegerv(GL_TEXTURE_BINDING_2D, &last_texture); + glGenTextures(1, &g_FontTexture); + glBindTexture(GL_TEXTURE_2D, g_FontTexture); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + glPixelStorei(GL_UNPACK_ROW_LENGTH, 0); + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, pixels); + + // Store our identifier + io.Fonts->TexID = (ImTextureID)(intptr_t)g_FontTexture; + + // Restore state + glBindTexture(GL_TEXTURE_2D, last_texture); + + return true; +} + +void ImGui_ImplOpenGL2_DestroyFontsTexture() +{ + if (g_FontTexture) + { + ImGuiIO& io = ImGui::GetIO(); + glDeleteTextures(1, &g_FontTexture); + io.Fonts->TexID = 0; + g_FontTexture = 0; + } +} + +bool ImGui_ImplOpenGL2_CreateDeviceObjects() +{ + return ImGui_ImplOpenGL2_CreateFontsTexture(); +} + +void ImGui_ImplOpenGL2_DestroyDeviceObjects() +{ + ImGui_ImplOpenGL2_DestroyFontsTexture(); +} diff --git a/imgui-submodule/imgui/examples/imgui_impl_opengl2.h b/imgui-submodule/imgui/examples/imgui_impl_opengl2.h new file mode 100644 index 0000000..009052d --- /dev/null +++ b/imgui-submodule/imgui/examples/imgui_impl_opengl2.h @@ -0,0 +1,30 @@ +// dear imgui: Renderer for OpenGL2 (legacy OpenGL, fixed pipeline) +// This needs to be used along with a Platform Binding (e.g. GLFW, SDL, Win32, custom..) + +// Implemented features: +// [X] Renderer: User texture binding. Use 'GLuint' OpenGL texture identifier as void*/ImTextureID. Read the FAQ about ImTextureID! + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +// **DO NOT USE THIS CODE IF YOUR CODE/ENGINE IS USING MODERN OPENGL (SHADERS, VBO, VAO, etc.)** +// **Prefer using the code in imgui_impl_opengl3.cpp** +// This code is mostly provided as a reference to learn how ImGui integration works, because it is shorter to read. +// If your code is using GL3+ context or any semi modern OpenGL calls, using this is likely to make everything more +// complicated, will require your code to reset every single OpenGL attributes to their initial state, and might +// confuse your GPU driver. +// The GL2 code is unable to reset attributes or even call e.g. "glUseProgram(0)" because they don't exist in that API. + +#pragma once + +IMGUI_IMPL_API bool ImGui_ImplOpenGL2_Init(); +IMGUI_IMPL_API void ImGui_ImplOpenGL2_Shutdown(); +IMGUI_IMPL_API void ImGui_ImplOpenGL2_NewFrame(); +IMGUI_IMPL_API void ImGui_ImplOpenGL2_RenderDrawData(ImDrawData* draw_data); + +// Called by Init/NewFrame/Shutdown +IMGUI_IMPL_API bool ImGui_ImplOpenGL2_CreateFontsTexture(); +IMGUI_IMPL_API void ImGui_ImplOpenGL2_DestroyFontsTexture(); +IMGUI_IMPL_API bool ImGui_ImplOpenGL2_CreateDeviceObjects(); +IMGUI_IMPL_API void ImGui_ImplOpenGL2_DestroyDeviceObjects(); diff --git a/imgui-submodule/imgui/examples/imgui_impl_opengl3.cpp b/imgui-submodule/imgui/examples/imgui_impl_opengl3.cpp new file mode 100644 index 0000000..f94bd0d --- /dev/null +++ b/imgui-submodule/imgui/examples/imgui_impl_opengl3.cpp @@ -0,0 +1,679 @@ +// dear imgui: Renderer for modern OpenGL with shaders / programmatic pipeline +// - Desktop GL: 2.x 3.x 4.x +// - Embedded GL: ES 2.0 (WebGL 1.0), ES 3.0 (WebGL 2.0) +// This needs to be used along with a Platform Binding (e.g. GLFW, SDL, Win32, custom..) + +// Implemented features: +// [X] Renderer: User texture binding. Use 'GLuint' OpenGL texture identifier as void*/ImTextureID. Read the FAQ about ImTextureID! +// [x] Renderer: Desktop GL only: Support for large meshes (64k+ vertices) with 16-bit indices. + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +// CHANGELOG +// (minor and older changes stripped away, please see git history for details) +// 2020-01-07: OpenGL: Added support for glbindings OpenGL loader. +// 2019-10-25: OpenGL: Using a combination of GL define and runtime GL version to decide whether to use glDrawElementsBaseVertex(). Fix building with pre-3.2 GL loaders. +// 2019-09-22: OpenGL: Detect default GL loader using __has_include compiler facility. +// 2019-09-16: OpenGL: Tweak initialization code to allow application calling ImGui_ImplOpenGL3_CreateFontsTexture() before the first NewFrame() call. +// 2019-05-29: OpenGL: Desktop GL only: Added support for large mesh (64K+ vertices), enable ImGuiBackendFlags_RendererHasVtxOffset flag. +// 2019-04-30: OpenGL: Added support for special ImDrawCallback_ResetRenderState callback to reset render state. +// 2019-03-29: OpenGL: Not calling glBindBuffer more than necessary in the render loop. +// 2019-03-15: OpenGL: Added a dummy GL call + comments in ImGui_ImplOpenGL3_Init() to detect uninitialized GL function loaders early. +// 2019-03-03: OpenGL: Fix support for ES 2.0 (WebGL 1.0). +// 2019-02-20: OpenGL: Fix for OSX not supporting OpenGL 4.5, we don't try to read GL_CLIP_ORIGIN even if defined by the headers/loader. +// 2019-02-11: OpenGL: Projecting clipping rectangles correctly using draw_data->FramebufferScale to allow multi-viewports for retina display. +// 2019-02-01: OpenGL: Using GLSL 410 shaders for any version over 410 (e.g. 430, 450). +// 2018-11-30: Misc: Setting up io.BackendRendererName so it can be displayed in the About Window. +// 2018-11-13: OpenGL: Support for GL 4.5's glClipControl(GL_UPPER_LEFT) / GL_CLIP_ORIGIN. +// 2018-08-29: OpenGL: Added support for more OpenGL loaders: glew and glad, with comments indicative that any loader can be used. +// 2018-08-09: OpenGL: Default to OpenGL ES 3 on iOS and Android. GLSL version default to "#version 300 ES". +// 2018-07-30: OpenGL: Support for GLSL 300 ES and 410 core. Fixes for Emscripten compilation. +// 2018-07-10: OpenGL: Support for more GLSL versions (based on the GLSL version string). Added error output when shaders fail to compile/link. +// 2018-06-08: Misc: Extracted imgui_impl_opengl3.cpp/.h away from the old combined GLFW/SDL+OpenGL3 examples. +// 2018-06-08: OpenGL: Use draw_data->DisplayPos and draw_data->DisplaySize to setup projection matrix and clipping rectangle. +// 2018-05-25: OpenGL: Removed unnecessary backup/restore of GL_ELEMENT_ARRAY_BUFFER_BINDING since this is part of the VAO state. +// 2018-05-14: OpenGL: Making the call to glBindSampler() optional so 3.2 context won't fail if the function is a NULL pointer. +// 2018-03-06: OpenGL: Added const char* glsl_version parameter to ImGui_ImplOpenGL3_Init() so user can override the GLSL version e.g. "#version 150". +// 2018-02-23: OpenGL: Create the VAO in the render function so the setup can more easily be used with multiple shared GL context. +// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback and exposed ImGui_ImplSdlGL3_RenderDrawData() in the .h file so you can call it yourself. +// 2018-01-07: OpenGL: Changed GLSL shader version from 330 to 150. +// 2017-09-01: OpenGL: Save and restore current bound sampler. Save and restore current polygon mode. +// 2017-05-01: OpenGL: Fixed save and restore of current blend func state. +// 2017-05-01: OpenGL: Fixed save and restore of current GL_ACTIVE_TEXTURE. +// 2016-09-05: OpenGL: Fixed save and restore of current scissor rectangle. +// 2016-07-29: OpenGL: Explicitly setting GL_UNPACK_ROW_LENGTH to reduce issues because SDL changes it. (#752) + +//---------------------------------------- +// OpenGL GLSL GLSL +// version version string +//---------------------------------------- +// 2.0 110 "#version 110" +// 2.1 120 "#version 120" +// 3.0 130 "#version 130" +// 3.1 140 "#version 140" +// 3.2 150 "#version 150" +// 3.3 330 "#version 330 core" +// 4.0 400 "#version 400 core" +// 4.1 410 "#version 410 core" +// 4.2 420 "#version 410 core" +// 4.3 430 "#version 430 core" +// ES 2.0 100 "#version 100" = WebGL 1.0 +// ES 3.0 300 "#version 300 es" = WebGL 2.0 +//---------------------------------------- + +#if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS) +#define _CRT_SECURE_NO_WARNINGS +#endif + +#include "imgui.h" +#include "imgui_impl_opengl3.h" +#include +#if defined(_MSC_VER) && _MSC_VER <= 1500 // MSVC 2008 or earlier +#include // intptr_t +#else +#include // intptr_t +#endif +#if defined(__APPLE__) +#include "TargetConditionals.h" +#endif + +// Auto-enable GLES on matching platforms +#if !defined(IMGUI_IMPL_OPENGL_ES2) && !defined(IMGUI_IMPL_OPENGL_ES3) +#if (defined(__APPLE__) && (TARGET_OS_IOS || TARGET_OS_TV)) || (defined(__ANDROID__)) +#define IMGUI_IMPL_OPENGL_ES3 // iOS, Android -> GL ES 3, "#version 300 es" +#undef IMGUI_IMPL_OPENGL_LOADER_GL3W +#undef IMGUI_IMPL_OPENGL_LOADER_GLEW +#undef IMGUI_IMPL_OPENGL_LOADER_GLAD +#undef IMGUI_IMPL_OPENGL_LOADER_GLBINDING +#undef IMGUI_IMPL_OPENGL_LOADER_CUSTOM +#elif defined(__EMSCRIPTEN__) +#define IMGUI_IMPL_OPENGL_ES2 // Emscripten -> GL ES 2, "#version 100" +#undef IMGUI_IMPL_OPENGL_LOADER_GL3W +#undef IMGUI_IMPL_OPENGL_LOADER_GLEW +#undef IMGUI_IMPL_OPENGL_LOADER_GLAD +#undef IMGUI_IMPL_OPENGL_LOADER_GLBINDING +#undef IMGUI_IMPL_OPENGL_LOADER_CUSTOM +#endif +#endif + +// GL includes +#if defined(IMGUI_IMPL_OPENGL_ES2) +#include +#elif defined(IMGUI_IMPL_OPENGL_ES3) +#if (defined(__APPLE__) && (TARGET_OS_IOS || TARGET_OS_TV)) +#include // Use GL ES 3 +#else +#include // Use GL ES 3 +#endif +#else +// About Desktop OpenGL function loaders: +// Modern desktop OpenGL doesn't have a standard portable header file to load OpenGL function pointers. +// Helper libraries are often used for this purpose! Here we are supporting a few common ones (gl3w, glew, glad). +// You may use another loader/header of your choice (glext, glLoadGen, etc.), or chose to manually implement your own. +#if defined(IMGUI_IMPL_OPENGL_LOADER_GL3W) +#include // Needs to be initialized with gl3wInit() in user's code +#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLEW) +//#include // Needs to be initialized with glewInit() in user's code +#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLAD) +#include // Needs to be initialized with gladLoadGL() in user's code +#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLBINDING) +#include // Initialize with glbinding::initialize() +#include +using namespace gl; +#else +#include IMGUI_IMPL_OPENGL_LOADER_CUSTOM +#endif +#endif + +#include + +// Desktop GL 3.2+ has glDrawElementsBaseVertex() which GL ES and WebGL don't have. +#if defined(IMGUI_IMPL_OPENGL_ES2) || defined(IMGUI_IMPL_OPENGL_ES3) || !defined(GL_VERSION_3_2) +#define IMGUI_IMPL_OPENGL_MAY_HAVE_VTX_OFFSET 0 +#else +#define IMGUI_IMPL_OPENGL_MAY_HAVE_VTX_OFFSET 1 +#endif + +// OpenGL Data +static GLuint g_GlVersion = 0; // Extracted at runtime using GL_MAJOR_VERSION, GL_MINOR_VERSION queries. +static char g_GlslVersionString[32] = ""; // Specified by user or detected based on compile time GL settings. +static GLuint g_FontTexture = 0; +static GLuint g_ShaderHandle = 0, g_VertHandle = 0, g_FragHandle = 0; +static int g_AttribLocationTex = 0, g_AttribLocationProjMtx = 0; // Uniforms location +static int g_AttribLocationVtxPos = 0, g_AttribLocationVtxUV = 0, g_AttribLocationVtxColor = 0; // Vertex attributes location +static unsigned int g_VboHandle = 0, g_ElementsHandle = 0; + +// Functions +bool ImGui_ImplOpenGL3_Init(const char* glsl_version) +{ + // Query for GL version +#if !defined(IMGUI_IMPL_OPENGL_ES2) + GLint major, minor; + glGetIntegerv(GL_MAJOR_VERSION, &major); + glGetIntegerv(GL_MINOR_VERSION, &minor); + g_GlVersion = major * 1000 + minor; +#else + g_GlVersion = 2000; // GLES 2 +#endif + + // Setup back-end capabilities flags + ImGuiIO& io = ImGui::GetIO(); + io.BackendRendererName = "imgui_impl_opengl3"; +#if IMGUI_IMPL_OPENGL_MAY_HAVE_VTX_OFFSET + if (g_GlVersion >= 3200) + io.BackendFlags |= ImGuiBackendFlags_RendererHasVtxOffset; // We can honor the ImDrawCmd::VtxOffset field, allowing for large meshes. +#endif + + // Store GLSL version string so we can refer to it later in case we recreate shaders. + // Note: GLSL version is NOT the same as GL version. Leave this to NULL if unsure. +#if defined(IMGUI_IMPL_OPENGL_ES2) + if (glsl_version == NULL) + glsl_version = "#version 100"; +#elif defined(IMGUI_IMPL_OPENGL_ES3) + if (glsl_version == NULL) + glsl_version = "#version 300 es"; +#else + if (glsl_version == NULL) + glsl_version = "#version 130"; +#endif + IM_ASSERT((int)strlen(glsl_version) + 2 < IM_ARRAYSIZE(g_GlslVersionString)); + strcpy(g_GlslVersionString, glsl_version); + strcat(g_GlslVersionString, "\n"); + + // Dummy construct to make it easily visible in the IDE and debugger which GL loader has been selected. + // The code actually never uses the 'gl_loader' variable! It is only here so you can read it! + // If auto-detection fails or doesn't select the same GL loader file as used by your application, + // you are likely to get a crash below. + // You can explicitly select a loader by using '#define IMGUI_IMPL_OPENGL_LOADER_XXX' in imconfig.h or compiler command-line. + const char* gl_loader = "Unknown"; + IM_UNUSED(gl_loader); +#if defined(IMGUI_IMPL_OPENGL_LOADER_GL3W) + gl_loader = "GL3W"; +#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLEW) + gl_loader = "GLEW"; +#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLAD) + gl_loader = "GLAD"; +#elif defined(IMGUI_IMPL_OPENGL_LOADER_GLBINDING) + gl_loader = "glbinding"; +#else // IMGUI_IMPL_OPENGL_LOADER_CUSTOM + gl_loader = "Custom"; +#endif + + // Make a dummy GL call (we don't actually need the result) + // IF YOU GET A CRASH HERE: it probably means that you haven't initialized the OpenGL function loader used by this code. + // Desktop OpenGL 3/4 need a function loader. See the IMGUI_IMPL_OPENGL_LOADER_xxx explanation above. + GLint current_texture; + glGetIntegerv(GL_TEXTURE_BINDING_2D, ¤t_texture); + + return true; +} + +void ImGui_ImplOpenGL3_Shutdown() +{ + ImGui_ImplOpenGL3_DestroyDeviceObjects(); +} + +void ImGui_ImplOpenGL3_NewFrame() +{ + if (!g_ShaderHandle) + ImGui_ImplOpenGL3_CreateDeviceObjects(); +} + +static void ImGui_ImplOpenGL3_SetupRenderState(ImDrawData* draw_data, int fb_width, int fb_height, GLuint vertex_array_object) +{ + // Setup render state: alpha-blending enabled, no face culling, no depth testing, scissor enabled, polygon fill + glEnable(GL_BLEND); + glBlendEquation(GL_FUNC_ADD); + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + glDisable(GL_CULL_FACE); + glDisable(GL_DEPTH_TEST); + glEnable(GL_SCISSOR_TEST); +#ifdef GL_POLYGON_MODE + glPolygonMode(GL_FRONT_AND_BACK, GL_FILL); +#endif + + // Setup viewport, orthographic projection matrix + // Our visible imgui space lies from draw_data->DisplayPos (top left) to draw_data->DisplayPos+data_data->DisplaySize (bottom right). DisplayPos is (0,0) for single viewport apps. + glViewport(0, 0, (GLsizei)fb_width, (GLsizei)fb_height); + float L = draw_data->DisplayPos.x; + float R = draw_data->DisplayPos.x + draw_data->DisplaySize.x; + float T = draw_data->DisplayPos.y; + float B = draw_data->DisplayPos.y + draw_data->DisplaySize.y; + const float ortho_projection[4][4] = + { + { 2.0f/(R-L), 0.0f, 0.0f, 0.0f }, + { 0.0f, 2.0f/(T-B), 0.0f, 0.0f }, + { 0.0f, 0.0f, -1.0f, 0.0f }, + { (R+L)/(L-R), (T+B)/(B-T), 0.0f, 1.0f }, + }; + glUseProgram(g_ShaderHandle); + glUniform1i(g_AttribLocationTex, 0); + glUniformMatrix4fv(g_AttribLocationProjMtx, 1, GL_FALSE, &ortho_projection[0][0]); +#ifdef GL_SAMPLER_BINDING + glBindSampler(0, 0); // We use combined texture/sampler state. Applications using GL 3.3 may set that otherwise. +#endif + + (void)vertex_array_object; +#ifndef IMGUI_IMPL_OPENGL_ES2 + glBindVertexArray(vertex_array_object); +#endif + + // Bind vertex/index buffers and setup attributes for ImDrawVert + glBindBuffer(GL_ARRAY_BUFFER, g_VboHandle); + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, g_ElementsHandle); + glEnableVertexAttribArray(g_AttribLocationVtxPos); + glEnableVertexAttribArray(g_AttribLocationVtxUV); + glEnableVertexAttribArray(g_AttribLocationVtxColor); + glVertexAttribPointer(g_AttribLocationVtxPos, 2, GL_FLOAT, GL_FALSE, sizeof(ImDrawVert), (GLvoid*)IM_OFFSETOF(ImDrawVert, pos)); + glVertexAttribPointer(g_AttribLocationVtxUV, 2, GL_FLOAT, GL_FALSE, sizeof(ImDrawVert), (GLvoid*)IM_OFFSETOF(ImDrawVert, uv)); + glVertexAttribPointer(g_AttribLocationVtxColor, 4, GL_UNSIGNED_BYTE, GL_TRUE, sizeof(ImDrawVert), (GLvoid*)IM_OFFSETOF(ImDrawVert, col)); +} + +// OpenGL3 Render function. +// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop) +// Note that this implementation is little overcomplicated because we are saving/setting up/restoring every OpenGL state explicitly, in order to be able to run within any OpenGL engine that doesn't do so. +void ImGui_ImplOpenGL3_RenderDrawData(ImDrawData* draw_data) +{ + // Avoid rendering when minimized, scale coordinates for retina displays (screen coordinates != framebuffer coordinates) + int fb_width = (int)(draw_data->DisplaySize.x * draw_data->FramebufferScale.x); + int fb_height = (int)(draw_data->DisplaySize.y * draw_data->FramebufferScale.y); + if (fb_width <= 0 || fb_height <= 0) + return; + + // Backup GL state + GLenum last_active_texture; glGetIntegerv(GL_ACTIVE_TEXTURE, (GLint*)&last_active_texture); + glActiveTexture(GL_TEXTURE0); + GLint last_program; glGetIntegerv(GL_CURRENT_PROGRAM, &last_program); + GLint last_texture; glGetIntegerv(GL_TEXTURE_BINDING_2D, &last_texture); +#ifdef GL_SAMPLER_BINDING + GLint last_sampler; glGetIntegerv(GL_SAMPLER_BINDING, &last_sampler); +#endif + GLint last_array_buffer; glGetIntegerv(GL_ARRAY_BUFFER_BINDING, &last_array_buffer); +#ifndef IMGUI_IMPL_OPENGL_ES2 + GLint last_vertex_array_object; glGetIntegerv(GL_VERTEX_ARRAY_BINDING, &last_vertex_array_object); +#endif +#ifdef GL_POLYGON_MODE + GLint last_polygon_mode[2]; glGetIntegerv(GL_POLYGON_MODE, last_polygon_mode); +#endif + GLint last_viewport[4]; glGetIntegerv(GL_VIEWPORT, last_viewport); + GLint last_scissor_box[4]; glGetIntegerv(GL_SCISSOR_BOX, last_scissor_box); + GLenum last_blend_src_rgb; glGetIntegerv(GL_BLEND_SRC_RGB, (GLint*)&last_blend_src_rgb); + GLenum last_blend_dst_rgb; glGetIntegerv(GL_BLEND_DST_RGB, (GLint*)&last_blend_dst_rgb); + GLenum last_blend_src_alpha; glGetIntegerv(GL_BLEND_SRC_ALPHA, (GLint*)&last_blend_src_alpha); + GLenum last_blend_dst_alpha; glGetIntegerv(GL_BLEND_DST_ALPHA, (GLint*)&last_blend_dst_alpha); + GLenum last_blend_equation_rgb; glGetIntegerv(GL_BLEND_EQUATION_RGB, (GLint*)&last_blend_equation_rgb); + GLenum last_blend_equation_alpha; glGetIntegerv(GL_BLEND_EQUATION_ALPHA, (GLint*)&last_blend_equation_alpha); + GLboolean last_enable_blend = glIsEnabled(GL_BLEND); + GLboolean last_enable_cull_face = glIsEnabled(GL_CULL_FACE); + GLboolean last_enable_depth_test = glIsEnabled(GL_DEPTH_TEST); + GLboolean last_enable_scissor_test = glIsEnabled(GL_SCISSOR_TEST); + bool clip_origin_lower_left = true; +#if defined(GL_CLIP_ORIGIN) && !defined(__APPLE__) + GLenum last_clip_origin = 0; glGetIntegerv(GL_CLIP_ORIGIN, (GLint*)&last_clip_origin); // Support for GL 4.5's glClipControl(GL_UPPER_LEFT) + if (last_clip_origin == GL_UPPER_LEFT) + clip_origin_lower_left = false; +#endif + + // Setup desired GL state + // Recreate the VAO every time (this is to easily allow multiple GL contexts to be rendered to. VAO are not shared among GL contexts) + // The renderer would actually work without any VAO bound, but then our VertexAttrib calls would overwrite the default one currently bound. + GLuint vertex_array_object = 0; +#ifndef IMGUI_IMPL_OPENGL_ES2 + glGenVertexArrays(1, &vertex_array_object); +#endif + ImGui_ImplOpenGL3_SetupRenderState(draw_data, fb_width, fb_height, vertex_array_object); + + // Will project scissor/clipping rectangles into framebuffer space + ImVec2 clip_off = draw_data->DisplayPos; // (0,0) unless using multi-viewports + ImVec2 clip_scale = draw_data->FramebufferScale; // (1,1) unless using retina display which are often (2,2) + + // Render command lists + for (int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + + // Upload vertex/index buffers + glBufferData(GL_ARRAY_BUFFER, (GLsizeiptr)cmd_list->VtxBuffer.Size * sizeof(ImDrawVert), (const GLvoid*)cmd_list->VtxBuffer.Data, GL_STREAM_DRAW); + glBufferData(GL_ELEMENT_ARRAY_BUFFER, (GLsizeiptr)cmd_list->IdxBuffer.Size * sizeof(ImDrawIdx), (const GLvoid*)cmd_list->IdxBuffer.Data, GL_STREAM_DRAW); + + for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) + { + const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; + if (pcmd->UserCallback != NULL) + { + // User callback, registered via ImDrawList::AddCallback() + // (ImDrawCallback_ResetRenderState is a special callback value used by the user to request the renderer to reset render state.) + if (pcmd->UserCallback == ImDrawCallback_ResetRenderState) + ImGui_ImplOpenGL3_SetupRenderState(draw_data, fb_width, fb_height, vertex_array_object); + else + pcmd->UserCallback(cmd_list, pcmd); + } + else + { + // Project scissor/clipping rectangles into framebuffer space + ImVec4 clip_rect; + clip_rect.x = (pcmd->ClipRect.x - clip_off.x) * clip_scale.x; + clip_rect.y = (pcmd->ClipRect.y - clip_off.y) * clip_scale.y; + clip_rect.z = (pcmd->ClipRect.z - clip_off.x) * clip_scale.x; + clip_rect.w = (pcmd->ClipRect.w - clip_off.y) * clip_scale.y; + + if (clip_rect.x < fb_width && clip_rect.y < fb_height && clip_rect.z >= 0.0f && clip_rect.w >= 0.0f) + { + // Apply scissor/clipping rectangle + if (clip_origin_lower_left) + glScissor((int)clip_rect.x, (int)(fb_height - clip_rect.w), (int)(clip_rect.z - clip_rect.x), (int)(clip_rect.w - clip_rect.y)); + else + glScissor((int)clip_rect.x, (int)clip_rect.y, (int)clip_rect.z, (int)clip_rect.w); // Support for GL 4.5 rarely used glClipControl(GL_UPPER_LEFT) + + // Bind texture, Draw + glBindTexture(GL_TEXTURE_2D, (GLuint)(intptr_t)pcmd->TextureId); +#if IMGUI_IMPL_OPENGL_MAY_HAVE_VTX_OFFSET + if (g_GlVersion >= 3200) + glDrawElementsBaseVertex(GL_TRIANGLES, (GLsizei)pcmd->ElemCount, sizeof(ImDrawIdx) == 2 ? GL_UNSIGNED_SHORT : GL_UNSIGNED_INT, (void*)(intptr_t)(pcmd->IdxOffset * sizeof(ImDrawIdx)), (GLint)pcmd->VtxOffset); + else +#endif + glDrawElements(GL_TRIANGLES, (GLsizei)pcmd->ElemCount, sizeof(ImDrawIdx) == 2 ? GL_UNSIGNED_SHORT : GL_UNSIGNED_INT, (void*)(intptr_t)(pcmd->IdxOffset * sizeof(ImDrawIdx))); + } + } + } + } + + // Destroy the temporary VAO +#ifndef IMGUI_IMPL_OPENGL_ES2 + glDeleteVertexArrays(1, &vertex_array_object); +#endif + + // Restore modified GL state + glUseProgram(last_program); + glBindTexture(GL_TEXTURE_2D, last_texture); +#ifdef GL_SAMPLER_BINDING + glBindSampler(0, last_sampler); +#endif + glActiveTexture(last_active_texture); +#ifndef IMGUI_IMPL_OPENGL_ES2 + glBindVertexArray(last_vertex_array_object); +#endif + glBindBuffer(GL_ARRAY_BUFFER, last_array_buffer); + glBlendEquationSeparate(last_blend_equation_rgb, last_blend_equation_alpha); + glBlendFuncSeparate(last_blend_src_rgb, last_blend_dst_rgb, last_blend_src_alpha, last_blend_dst_alpha); + if (last_enable_blend) glEnable(GL_BLEND); else glDisable(GL_BLEND); + if (last_enable_cull_face) glEnable(GL_CULL_FACE); else glDisable(GL_CULL_FACE); + if (last_enable_depth_test) glEnable(GL_DEPTH_TEST); else glDisable(GL_DEPTH_TEST); + if (last_enable_scissor_test) glEnable(GL_SCISSOR_TEST); else glDisable(GL_SCISSOR_TEST); +#ifdef GL_POLYGON_MODE + glPolygonMode(GL_FRONT_AND_BACK, (GLenum)last_polygon_mode[0]); +#endif + glViewport(last_viewport[0], last_viewport[1], (GLsizei)last_viewport[2], (GLsizei)last_viewport[3]); + glScissor(last_scissor_box[0], last_scissor_box[1], (GLsizei)last_scissor_box[2], (GLsizei)last_scissor_box[3]); +} + +bool ImGui_ImplOpenGL3_CreateFontsTexture() +{ + // Build texture atlas + ImGuiIO& io = ImGui::GetIO(); + unsigned char* pixels; + int width, height; + io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); // Load as RGBA 32-bit (75% of the memory is wasted, but default font is so small) because it is more likely to be compatible with user's existing shaders. If your ImTextureId represent a higher-level concept than just a GL texture id, consider calling GetTexDataAsAlpha8() instead to save on GPU memory. + + // Upload texture to graphics system + GLint last_texture; + glGetIntegerv(GL_TEXTURE_BINDING_2D, &last_texture); + glGenTextures(1, &g_FontTexture); + glBindTexture(GL_TEXTURE_2D, g_FontTexture); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); +#ifdef GL_UNPACK_ROW_LENGTH + glPixelStorei(GL_UNPACK_ROW_LENGTH, 0); +#endif + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, pixels); + + // Store our identifier + io.Fonts->TexID = (ImTextureID)(intptr_t)g_FontTexture; + + // Restore state + glBindTexture(GL_TEXTURE_2D, last_texture); + + return true; +} + +void ImGui_ImplOpenGL3_DestroyFontsTexture() +{ + if (g_FontTexture) + { + ImGuiIO& io = ImGui::GetIO(); + glDeleteTextures(1, &g_FontTexture); + io.Fonts->TexID = 0; + g_FontTexture = 0; + } +} + +// If you get an error please report on github. You may try different GL context version or GLSL version. See GL<>GLSL version table at the top of this file. +static bool CheckShader(GLuint handle, const char* desc) +{ + GLint status = 0, log_length = 0; + glGetShaderiv(handle, GL_COMPILE_STATUS, &status); + glGetShaderiv(handle, GL_INFO_LOG_LENGTH, &log_length); + if ((GLboolean)status == GL_FALSE) + fprintf(stderr, "ERROR: ImGui_ImplOpenGL3_CreateDeviceObjects: failed to compile %s!\n", desc); + if (log_length > 1) + { + ImVector buf; + buf.resize((int)(log_length + 1)); + glGetShaderInfoLog(handle, log_length, NULL, (GLchar*)buf.begin()); + fprintf(stderr, "%s\n", buf.begin()); + } + return (GLboolean)status == GL_TRUE; +} + +// If you get an error please report on GitHub. You may try different GL context version or GLSL version. +static bool CheckProgram(GLuint handle, const char* desc) +{ + GLint status = 0, log_length = 0; + glGetProgramiv(handle, GL_LINK_STATUS, &status); + glGetProgramiv(handle, GL_INFO_LOG_LENGTH, &log_length); + if ((GLboolean)status == GL_FALSE) + fprintf(stderr, "ERROR: ImGui_ImplOpenGL3_CreateDeviceObjects: failed to link %s! (with GLSL '%s')\n", desc, g_GlslVersionString); + if (log_length > 1) + { + ImVector buf; + buf.resize((int)(log_length + 1)); + glGetProgramInfoLog(handle, log_length, NULL, (GLchar*)buf.begin()); + fprintf(stderr, "%s\n", buf.begin()); + } + return (GLboolean)status == GL_TRUE; +} + +bool ImGui_ImplOpenGL3_CreateDeviceObjects() +{ + // Backup GL state + GLint last_texture, last_array_buffer; + glGetIntegerv(GL_TEXTURE_BINDING_2D, &last_texture); + glGetIntegerv(GL_ARRAY_BUFFER_BINDING, &last_array_buffer); +#ifndef IMGUI_IMPL_OPENGL_ES2 + GLint last_vertex_array; + glGetIntegerv(GL_VERTEX_ARRAY_BINDING, &last_vertex_array); +#endif + + // Parse GLSL version string + int glsl_version = 130; + sscanf(g_GlslVersionString, "#version %d", &glsl_version); + + const GLchar* vertex_shader_glsl_120 = + "uniform mat4 ProjMtx;\n" + "attribute vec2 Position;\n" + "attribute vec2 UV;\n" + "attribute vec4 Color;\n" + "varying vec2 Frag_UV;\n" + "varying vec4 Frag_Color;\n" + "void main()\n" + "{\n" + " Frag_UV = UV;\n" + " Frag_Color = Color;\n" + " gl_Position = ProjMtx * vec4(Position.xy,0,1);\n" + "}\n"; + + const GLchar* vertex_shader_glsl_130 = + "uniform mat4 ProjMtx;\n" + "in vec2 Position;\n" + "in vec2 UV;\n" + "in vec4 Color;\n" + "out vec2 Frag_UV;\n" + "out vec4 Frag_Color;\n" + "void main()\n" + "{\n" + " Frag_UV = UV;\n" + " Frag_Color = Color;\n" + " gl_Position = ProjMtx * vec4(Position.xy,0,1);\n" + "}\n"; + + const GLchar* vertex_shader_glsl_300_es = + "precision mediump float;\n" + "layout (location = 0) in vec2 Position;\n" + "layout (location = 1) in vec2 UV;\n" + "layout (location = 2) in vec4 Color;\n" + "uniform mat4 ProjMtx;\n" + "out vec2 Frag_UV;\n" + "out vec4 Frag_Color;\n" + "void main()\n" + "{\n" + " Frag_UV = UV;\n" + " Frag_Color = Color;\n" + " gl_Position = ProjMtx * vec4(Position.xy,0,1);\n" + "}\n"; + + const GLchar* vertex_shader_glsl_410_core = + "layout (location = 0) in vec2 Position;\n" + "layout (location = 1) in vec2 UV;\n" + "layout (location = 2) in vec4 Color;\n" + "uniform mat4 ProjMtx;\n" + "out vec2 Frag_UV;\n" + "out vec4 Frag_Color;\n" + "void main()\n" + "{\n" + " Frag_UV = UV;\n" + " Frag_Color = Color;\n" + " gl_Position = ProjMtx * vec4(Position.xy,0,1);\n" + "}\n"; + + const GLchar* fragment_shader_glsl_120 = + "#ifdef GL_ES\n" + " precision mediump float;\n" + "#endif\n" + "uniform sampler2D Texture;\n" + "varying vec2 Frag_UV;\n" + "varying vec4 Frag_Color;\n" + "void main()\n" + "{\n" + " gl_FragColor = Frag_Color * texture2D(Texture, Frag_UV.st);\n" + "}\n"; + + const GLchar* fragment_shader_glsl_130 = + "uniform sampler2D Texture;\n" + "in vec2 Frag_UV;\n" + "in vec4 Frag_Color;\n" + "out vec4 Out_Color;\n" + "void main()\n" + "{\n" + " Out_Color = Frag_Color * texture(Texture, Frag_UV.st);\n" + "}\n"; + + const GLchar* fragment_shader_glsl_300_es = + "precision mediump float;\n" + "uniform sampler2D Texture;\n" + "in vec2 Frag_UV;\n" + "in vec4 Frag_Color;\n" + "layout (location = 0) out vec4 Out_Color;\n" + "void main()\n" + "{\n" + " Out_Color = Frag_Color * texture(Texture, Frag_UV.st);\n" + "}\n"; + + const GLchar* fragment_shader_glsl_410_core = + "in vec2 Frag_UV;\n" + "in vec4 Frag_Color;\n" + "uniform sampler2D Texture;\n" + "layout (location = 0) out vec4 Out_Color;\n" + "void main()\n" + "{\n" + " Out_Color = Frag_Color * texture(Texture, Frag_UV.st);\n" + "}\n"; + + // Select shaders matching our GLSL versions + const GLchar* vertex_shader = NULL; + const GLchar* fragment_shader = NULL; + if (glsl_version < 130) + { + vertex_shader = vertex_shader_glsl_120; + fragment_shader = fragment_shader_glsl_120; + } + else if (glsl_version >= 410) + { + vertex_shader = vertex_shader_glsl_410_core; + fragment_shader = fragment_shader_glsl_410_core; + } + else if (glsl_version == 300) + { + vertex_shader = vertex_shader_glsl_300_es; + fragment_shader = fragment_shader_glsl_300_es; + } + else + { + vertex_shader = vertex_shader_glsl_130; + fragment_shader = fragment_shader_glsl_130; + } + + // Create shaders + const GLchar* vertex_shader_with_version[2] = { g_GlslVersionString, vertex_shader }; + g_VertHandle = glCreateShader(GL_VERTEX_SHADER); + glShaderSource(g_VertHandle, 2, vertex_shader_with_version, NULL); + glCompileShader(g_VertHandle); + CheckShader(g_VertHandle, "vertex shader"); + + const GLchar* fragment_shader_with_version[2] = { g_GlslVersionString, fragment_shader }; + g_FragHandle = glCreateShader(GL_FRAGMENT_SHADER); + glShaderSource(g_FragHandle, 2, fragment_shader_with_version, NULL); + glCompileShader(g_FragHandle); + CheckShader(g_FragHandle, "fragment shader"); + + g_ShaderHandle = glCreateProgram(); + glAttachShader(g_ShaderHandle, g_VertHandle); + glAttachShader(g_ShaderHandle, g_FragHandle); + glLinkProgram(g_ShaderHandle); + CheckProgram(g_ShaderHandle, "shader program"); + + g_AttribLocationTex = glGetUniformLocation(g_ShaderHandle, "Texture"); + g_AttribLocationProjMtx = glGetUniformLocation(g_ShaderHandle, "ProjMtx"); + g_AttribLocationVtxPos = glGetAttribLocation(g_ShaderHandle, "Position"); + g_AttribLocationVtxUV = glGetAttribLocation(g_ShaderHandle, "UV"); + g_AttribLocationVtxColor = glGetAttribLocation(g_ShaderHandle, "Color"); + + // Create buffers + glGenBuffers(1, &g_VboHandle); + glGenBuffers(1, &g_ElementsHandle); + + ImGui_ImplOpenGL3_CreateFontsTexture(); + + // Restore modified GL state + glBindTexture(GL_TEXTURE_2D, last_texture); + glBindBuffer(GL_ARRAY_BUFFER, last_array_buffer); +#ifndef IMGUI_IMPL_OPENGL_ES2 + glBindVertexArray(last_vertex_array); +#endif + + return true; +} + +void ImGui_ImplOpenGL3_DestroyDeviceObjects() +{ + if (g_VboHandle) { glDeleteBuffers(1, &g_VboHandle); g_VboHandle = 0; } + if (g_ElementsHandle) { glDeleteBuffers(1, &g_ElementsHandle); g_ElementsHandle = 0; } + if (g_ShaderHandle && g_VertHandle) { glDetachShader(g_ShaderHandle, g_VertHandle); } + if (g_ShaderHandle && g_FragHandle) { glDetachShader(g_ShaderHandle, g_FragHandle); } + if (g_VertHandle) { glDeleteShader(g_VertHandle); g_VertHandle = 0; } + if (g_FragHandle) { glDeleteShader(g_FragHandle); g_FragHandle = 0; } + if (g_ShaderHandle) { glDeleteProgram(g_ShaderHandle); g_ShaderHandle = 0; } + + ImGui_ImplOpenGL3_DestroyFontsTexture(); +} diff --git a/imgui-submodule/imgui/examples/imgui_impl_opengl3.h b/imgui-submodule/imgui/examples/imgui_impl_opengl3.h new file mode 100644 index 0000000..98cefe7 --- /dev/null +++ b/imgui-submodule/imgui/examples/imgui_impl_opengl3.h @@ -0,0 +1,67 @@ +// dear imgui: Renderer for modern OpenGL with shaders / programmatic pipeline +// - Desktop GL: 2.x 3.x 4.x +// - Embedded GL: ES 2.0 (WebGL 1.0), ES 3.0 (WebGL 2.0) +// This needs to be used along with a Platform Binding (e.g. GLFW, SDL, Win32, custom..) + +// Implemented features: +// [X] Renderer: User texture binding. Use 'GLuint' OpenGL texture identifier as void*/ImTextureID. Read the FAQ about ImTextureID! +// [x] Renderer: Desktop GL only: Support for large meshes (64k+ vertices) with 16-bit indices. + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +// About Desktop OpenGL function loaders: +// Modern desktop OpenGL doesn't have a standard portable header file to load OpenGL function pointers. +// Helper libraries are often used for this purpose! Here we are supporting a few common ones (gl3w, glew, glad). +// You may use another loader/header of your choice (glext, glLoadGen, etc.), or chose to manually implement your own. + +// About GLSL version: +// The 'glsl_version' initialization parameter should be NULL (default) or a "#version XXX" string. +// On computer platform the GLSL version default to "#version 130". On OpenGL ES 3 platform it defaults to "#version 300 es" +// Only override if your GL version doesn't handle this GLSL version. See GLSL version table at the top of imgui_impl_opengl3.cpp. + +#pragma once + +// Backend API +IMGUI_IMPL_API bool ImGui_ImplOpenGL3_Init(const char* glsl_version = NULL); +IMGUI_IMPL_API void ImGui_ImplOpenGL3_Shutdown(); +IMGUI_IMPL_API void ImGui_ImplOpenGL3_NewFrame(); +IMGUI_IMPL_API void ImGui_ImplOpenGL3_RenderDrawData(ImDrawData* draw_data); + +// (Optional) Called by Init/NewFrame/Shutdown +IMGUI_IMPL_API bool ImGui_ImplOpenGL3_CreateFontsTexture(); +IMGUI_IMPL_API void ImGui_ImplOpenGL3_DestroyFontsTexture(); +IMGUI_IMPL_API bool ImGui_ImplOpenGL3_CreateDeviceObjects(); +IMGUI_IMPL_API void ImGui_ImplOpenGL3_DestroyDeviceObjects(); + +// Specific OpenGL versions +//#define IMGUI_IMPL_OPENGL_ES2 // Auto-detected on Emscripten +//#define IMGUI_IMPL_OPENGL_ES3 // Auto-detected on iOS/Android + +// Desktop OpenGL: attempt to detect default GL loader based on available header files. +// If auto-detection fails or doesn't select the same GL loader file as used by your application, +// you are likely to get a crash in ImGui_ImplOpenGL3_Init(). +// You can explicitly select a loader by using '#define IMGUI_IMPL_OPENGL_LOADER_XXX' in imconfig.h or compiler command-line. +#if !defined(IMGUI_IMPL_OPENGL_LOADER_GL3W) \ + && !defined(IMGUI_IMPL_OPENGL_LOADER_GLEW) \ + && !defined(IMGUI_IMPL_OPENGL_LOADER_GLAD) \ + && !defined(IMGUI_IMPL_OPENGL_LOADER_GLBINDING) \ + && !defined(IMGUI_IMPL_OPENGL_LOADER_CUSTOM) + #if defined(__has_include) + #if __has_include() + #define IMGUI_IMPL_OPENGL_LOADER_GLEW + #elif __has_include() + #define IMGUI_IMPL_OPENGL_LOADER_GLAD + #elif __has_include() + #define IMGUI_IMPL_OPENGL_LOADER_GL3W + #elif __has_include() + #define IMGUI_IMPL_OPENGL_LOADER_GLBINDING + #else + #error "Cannot detect OpenGL loader!" + #endif + #else + #define IMGUI_IMPL_OPENGL_LOADER_GL3W // Default to GL3W + #endif +#endif + diff --git a/imgui-submodule/imgui/examples/imgui_impl_osx.h b/imgui-submodule/imgui/examples/imgui_impl_osx.h new file mode 100644 index 0000000..fe066ee --- /dev/null +++ b/imgui-submodule/imgui/examples/imgui_impl_osx.h @@ -0,0 +1,17 @@ +// dear imgui: Platform Binding for OSX / Cocoa +// This needs to be used along with a Renderer (e.g. OpenGL2, OpenGL3, Vulkan, Metal..) +// [ALPHA] Early bindings, not well tested. If you want a portable application, prefer using the GLFW or SDL platform bindings on Mac. + +// Implemented features: +// [X] Platform: Mouse cursor shape and visibility. Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange'. +// [X] Platform: OSX clipboard is supported within core Dear ImGui (no specific code in this back-end). +// Issues: +// [ ] Platform: Keys are all generally very broken. Best using [event keycode] and not [event characters].. + +@class NSEvent; +@class NSView; + +IMGUI_API bool ImGui_ImplOSX_Init(); +IMGUI_API void ImGui_ImplOSX_Shutdown(); +IMGUI_API void ImGui_ImplOSX_NewFrame(NSView *_Nullable view); +IMGUI_API bool ImGui_ImplOSX_HandleEvent(NSEvent *_Nonnull event, NSView *_Nullable view); diff --git a/imgui-submodule/imgui/examples/imgui_impl_osx.mm b/imgui-submodule/imgui/examples/imgui_impl_osx.mm new file mode 100644 index 0000000..54b23d0 --- /dev/null +++ b/imgui-submodule/imgui/examples/imgui_impl_osx.mm @@ -0,0 +1,307 @@ +// dear imgui: Platform Binding for OSX / Cocoa +// This needs to be used along with a Renderer (e.g. OpenGL2, OpenGL3, Vulkan, Metal..) +// [ALPHA] Early bindings, not well tested. If you want a portable application, prefer using the GLFW or SDL platform bindings on Mac. + +// Implemented features: +// [X] Platform: Mouse cursor shape and visibility. Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange'. +// [X] Platform: OSX clipboard is supported within core Dear ImGui (no specific code in this back-end). +// Issues: +// [ ] Platform: Keys are all generally very broken. Best using [event keycode] and not [event characters].. + +#include "imgui.h" +#include "imgui_impl_osx.h" +#import + +// CHANGELOG +// (minor and older changes stripped away, please see git history for details) +// 2019-12-05: Inputs: Added support for ImGuiMouseCursor_NotAllowed mouse cursor. +// 2019-10-11: Inputs: Fix using Backspace key. +// 2019-07-21: Re-added clipboard handlers as they are not enabled by default in core imgui.cpp (reverted 2019-05-18 change). +// 2019-05-28: Inputs: Added mouse cursor shape and visibility support. +// 2019-05-18: Misc: Removed clipboard handlers as they are now supported by core imgui.cpp. +// 2019-05-11: Inputs: Don't filter character values before calling AddInputCharacter() apart from 0xF700..0xFFFF range. +// 2018-11-30: Misc: Setting up io.BackendPlatformName so it can be displayed in the About Window. +// 2018-07-07: Initial version. + +// Data +static CFAbsoluteTime g_Time = 0.0; +static NSCursor* g_MouseCursors[ImGuiMouseCursor_COUNT] = {}; +static bool g_MouseCursorHidden = false; + +// Undocumented methods for creating cursors. +@interface NSCursor() ++ (id)_windowResizeNorthWestSouthEastCursor; ++ (id)_windowResizeNorthEastSouthWestCursor; ++ (id)_windowResizeNorthSouthCursor; ++ (id)_windowResizeEastWestCursor; +@end + +// Functions +bool ImGui_ImplOSX_Init() +{ + ImGuiIO& io = ImGui::GetIO(); + + // Setup back-end capabilities flags + io.BackendFlags |= ImGuiBackendFlags_HasMouseCursors; // We can honor GetMouseCursor() values (optional) + //io.BackendFlags |= ImGuiBackendFlags_HasSetMousePos; // We can honor io.WantSetMousePos requests (optional, rarely used) + //io.BackendFlags |= ImGuiBackendFlags_PlatformHasViewports; // We can create multi-viewports on the Platform side (optional) + //io.BackendFlags |= ImGuiBackendFlags_HasMouseHoveredViewport; // We can set io.MouseHoveredViewport correctly (optional, not easy) + io.BackendPlatformName = "imgui_impl_osx"; + + // Keyboard mapping. Dear ImGui will use those indices to peek into the io.KeyDown[] array. + const int offset_for_function_keys = 256 - 0xF700; + io.KeyMap[ImGuiKey_Tab] = '\t'; + io.KeyMap[ImGuiKey_LeftArrow] = NSLeftArrowFunctionKey + offset_for_function_keys; + io.KeyMap[ImGuiKey_RightArrow] = NSRightArrowFunctionKey + offset_for_function_keys; + io.KeyMap[ImGuiKey_UpArrow] = NSUpArrowFunctionKey + offset_for_function_keys; + io.KeyMap[ImGuiKey_DownArrow] = NSDownArrowFunctionKey + offset_for_function_keys; + io.KeyMap[ImGuiKey_PageUp] = NSPageUpFunctionKey + offset_for_function_keys; + io.KeyMap[ImGuiKey_PageDown] = NSPageDownFunctionKey + offset_for_function_keys; + io.KeyMap[ImGuiKey_Home] = NSHomeFunctionKey + offset_for_function_keys; + io.KeyMap[ImGuiKey_End] = NSEndFunctionKey + offset_for_function_keys; + io.KeyMap[ImGuiKey_Insert] = NSInsertFunctionKey + offset_for_function_keys; + io.KeyMap[ImGuiKey_Delete] = NSDeleteFunctionKey + offset_for_function_keys; + io.KeyMap[ImGuiKey_Backspace] = 127; + io.KeyMap[ImGuiKey_Space] = 32; + io.KeyMap[ImGuiKey_Enter] = 13; + io.KeyMap[ImGuiKey_Escape] = 27; + io.KeyMap[ImGuiKey_KeyPadEnter] = 13; + io.KeyMap[ImGuiKey_A] = 'A'; + io.KeyMap[ImGuiKey_C] = 'C'; + io.KeyMap[ImGuiKey_V] = 'V'; + io.KeyMap[ImGuiKey_X] = 'X'; + io.KeyMap[ImGuiKey_Y] = 'Y'; + io.KeyMap[ImGuiKey_Z] = 'Z'; + + // Load cursors. Some of them are undocumented. + g_MouseCursorHidden = false; + g_MouseCursors[ImGuiMouseCursor_Arrow] = [NSCursor arrowCursor]; + g_MouseCursors[ImGuiMouseCursor_TextInput] = [NSCursor IBeamCursor]; + g_MouseCursors[ImGuiMouseCursor_ResizeAll] = [NSCursor closedHandCursor]; + g_MouseCursors[ImGuiMouseCursor_Hand] = [NSCursor pointingHandCursor]; + g_MouseCursors[ImGuiMouseCursor_NotAllowed] = [NSCursor operationNotAllowedCursor]; + g_MouseCursors[ImGuiMouseCursor_ResizeNS] = [NSCursor respondsToSelector:@selector(_windowResizeNorthSouthCursor)] ? [NSCursor _windowResizeNorthSouthCursor] : [NSCursor resizeUpDownCursor]; + g_MouseCursors[ImGuiMouseCursor_ResizeEW] = [NSCursor respondsToSelector:@selector(_windowResizeEastWestCursor)] ? [NSCursor _windowResizeEastWestCursor] : [NSCursor resizeLeftRightCursor]; + g_MouseCursors[ImGuiMouseCursor_ResizeNESW] = [NSCursor respondsToSelector:@selector(_windowResizeNorthEastSouthWestCursor)] ? [NSCursor _windowResizeNorthEastSouthWestCursor] : [NSCursor closedHandCursor]; + g_MouseCursors[ImGuiMouseCursor_ResizeNWSE] = [NSCursor respondsToSelector:@selector(_windowResizeNorthWestSouthEastCursor)] ? [NSCursor _windowResizeNorthWestSouthEastCursor] : [NSCursor closedHandCursor]; + + // Note that imgui.cpp also include default OSX clipboard handlers which can be enabled + // by adding '#define IMGUI_ENABLE_OSX_DEFAULT_CLIPBOARD_FUNCTIONS' in imconfig.h and adding '-framework ApplicationServices' to your linker command-line. + // Since we are already in ObjC land here, it is easy for us to add a clipboard handler using the NSPasteboard api. + io.SetClipboardTextFn = [](void*, const char* str) -> void + { + NSPasteboard* pasteboard = [NSPasteboard generalPasteboard]; + [pasteboard declareTypes:[NSArray arrayWithObject:NSPasteboardTypeString] owner:nil]; + [pasteboard setString:[NSString stringWithUTF8String:str] forType:NSPasteboardTypeString]; + }; + + io.GetClipboardTextFn = [](void*) -> const char* + { + NSPasteboard* pasteboard = [NSPasteboard generalPasteboard]; + NSString* available = [pasteboard availableTypeFromArray: [NSArray arrayWithObject:NSPasteboardTypeString]]; + if (![available isEqualToString:NSPasteboardTypeString]) + return NULL; + + NSString* string = [pasteboard stringForType:NSPasteboardTypeString]; + if (string == nil) + return NULL; + + const char* string_c = (const char*)[string UTF8String]; + size_t string_len = strlen(string_c); + static ImVector s_clipboard; + s_clipboard.resize((int)string_len + 1); + strcpy(s_clipboard.Data, string_c); + return s_clipboard.Data; + }; + + return true; +} + +void ImGui_ImplOSX_Shutdown() +{ +} + +static void ImGui_ImplOSX_UpdateMouseCursor() +{ + ImGuiIO& io = ImGui::GetIO(); + if (io.ConfigFlags & ImGuiConfigFlags_NoMouseCursorChange) + return; + + ImGuiMouseCursor imgui_cursor = ImGui::GetMouseCursor(); + if (io.MouseDrawCursor || imgui_cursor == ImGuiMouseCursor_None) + { + // Hide OS mouse cursor if imgui is drawing it or if it wants no cursor + if (!g_MouseCursorHidden) + { + g_MouseCursorHidden = true; + [NSCursor hide]; + } + } + else + { + // Show OS mouse cursor + [g_MouseCursors[g_MouseCursors[imgui_cursor] ? imgui_cursor : ImGuiMouseCursor_Arrow] set]; + if (g_MouseCursorHidden) + { + g_MouseCursorHidden = false; + [NSCursor unhide]; + } + } +} + +void ImGui_ImplOSX_NewFrame(NSView* view) +{ + // Setup display size + ImGuiIO& io = ImGui::GetIO(); + if (view) + { + const float dpi = [view.window backingScaleFactor]; + io.DisplaySize = ImVec2((float)view.bounds.size.width, (float)view.bounds.size.height); + io.DisplayFramebufferScale = ImVec2(dpi, dpi); + } + + // Setup time step + if (g_Time == 0.0) + g_Time = CFAbsoluteTimeGetCurrent(); + CFAbsoluteTime current_time = CFAbsoluteTimeGetCurrent(); + io.DeltaTime = current_time - g_Time; + g_Time = current_time; + + ImGui_ImplOSX_UpdateMouseCursor(); +} + +static int mapCharacterToKey(int c) +{ + if (c >= 'a' && c <= 'z') + return c - 'a' + 'A'; + if (c == 25) // SHIFT+TAB -> TAB + return 9; + if (c >= 0 && c < 256) + return c; + if (c >= 0xF700 && c < 0xF700 + 256) + return c - 0xF700 + 256; + return -1; +} + +static void resetKeys() +{ + ImGuiIO& io = ImGui::GetIO(); + for (int n = 0; n < IM_ARRAYSIZE(io.KeysDown); n++) + io.KeysDown[n] = false; +} + +bool ImGui_ImplOSX_HandleEvent(NSEvent* event, NSView* view) +{ + ImGuiIO& io = ImGui::GetIO(); + + if (event.type == NSEventTypeLeftMouseDown || event.type == NSEventTypeRightMouseDown || event.type == NSEventTypeOtherMouseDown) + { + int button = (int)[event buttonNumber]; + if (button >= 0 && button < IM_ARRAYSIZE(io.MouseDown)) + io.MouseDown[button] = true; + return io.WantCaptureMouse; + } + + if (event.type == NSEventTypeLeftMouseUp || event.type == NSEventTypeRightMouseUp || event.type == NSEventTypeOtherMouseUp) + { + int button = (int)[event buttonNumber]; + if (button >= 0 && button < IM_ARRAYSIZE(io.MouseDown)) + io.MouseDown[button] = false; + return io.WantCaptureMouse; + } + + if (event.type == NSEventTypeMouseMoved || event.type == NSEventTypeLeftMouseDragged) + { + NSPoint mousePoint = event.locationInWindow; + mousePoint = [view convertPoint:mousePoint fromView:nil]; + mousePoint = NSMakePoint(mousePoint.x, view.bounds.size.height - mousePoint.y); + io.MousePos = ImVec2(mousePoint.x, mousePoint.y); + } + + if (event.type == NSEventTypeScrollWheel) + { + double wheel_dx = 0.0; + double wheel_dy = 0.0; + + #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1070 + if (floor(NSAppKitVersionNumber) > NSAppKitVersionNumber10_6) + { + wheel_dx = [event scrollingDeltaX]; + wheel_dy = [event scrollingDeltaY]; + if ([event hasPreciseScrollingDeltas]) + { + wheel_dx *= 0.1; + wheel_dy *= 0.1; + } + } + else + #endif // MAC_OS_X_VERSION_MAX_ALLOWED + { + wheel_dx = [event deltaX]; + wheel_dy = [event deltaY]; + } + + if (fabs(wheel_dx) > 0.0) + io.MouseWheelH += wheel_dx * 0.1f; + if (fabs(wheel_dy) > 0.0) + io.MouseWheel += wheel_dy * 0.1f; + return io.WantCaptureMouse; + } + + // FIXME: All the key handling is wrong and broken. Refer to GLFW's cocoa_init.mm and cocoa_window.mm. + if (event.type == NSEventTypeKeyDown) + { + NSString* str = [event characters]; + int len = (int)[str length]; + for (int i = 0; i < len; i++) + { + int c = [str characterAtIndex:i]; + if (!io.KeyCtrl && !(c >= 0xF700 && c <= 0xFFFF) && c != 127) + io.AddInputCharacter((unsigned int)c); + + // We must reset in case we're pressing a sequence of special keys while keeping the command pressed + int key = mapCharacterToKey(c); + if (key != -1 && key < 256 && !io.KeyCtrl) + resetKeys(); + if (key != -1) + io.KeysDown[key] = true; + } + return io.WantCaptureKeyboard; + } + + if (event.type == NSEventTypeKeyUp) + { + NSString* str = [event characters]; + int len = (int)[str length]; + for (int i = 0; i < len; i++) + { + int c = [str characterAtIndex:i]; + int key = mapCharacterToKey(c); + if (key != -1) + io.KeysDown[key] = false; + } + return io.WantCaptureKeyboard; + } + + if (event.type == NSEventTypeFlagsChanged) + { + ImGuiIO& io = ImGui::GetIO(); + unsigned int flags = [event modifierFlags] & NSEventModifierFlagDeviceIndependentFlagsMask; + + bool oldKeyCtrl = io.KeyCtrl; + bool oldKeyShift = io.KeyShift; + bool oldKeyAlt = io.KeyAlt; + bool oldKeySuper = io.KeySuper; + io.KeyCtrl = flags & NSEventModifierFlagControl; + io.KeyShift = flags & NSEventModifierFlagShift; + io.KeyAlt = flags & NSEventModifierFlagOption; + io.KeySuper = flags & NSEventModifierFlagCommand; + + // We must reset them as we will not receive any keyUp event if they where pressed with a modifier + if ((oldKeyShift && !io.KeyShift) || (oldKeyCtrl && !io.KeyCtrl) || (oldKeyAlt && !io.KeyAlt) || (oldKeySuper && !io.KeySuper)) + resetKeys(); + return io.WantCaptureKeyboard; + } + + return false; +} diff --git a/imgui-submodule/imgui/examples/imgui_impl_sdl.cpp b/imgui-submodule/imgui/examples/imgui_impl_sdl.cpp new file mode 100644 index 0000000..9fd2cc4 --- /dev/null +++ b/imgui-submodule/imgui/examples/imgui_impl_sdl.cpp @@ -0,0 +1,367 @@ +// dear imgui: Platform Binding for SDL2 +// This needs to be used along with a Renderer (e.g. DirectX11, OpenGL3, Vulkan..) +// (Info: SDL2 is a cross-platform general purpose library for handling windows, inputs, graphics context creation, etc.) +// (Requires: SDL 2.0. Prefer SDL 2.0.4+ for full feature support.) + +// Implemented features: +// [X] Platform: Mouse cursor shape and visibility. Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange'. +// [X] Platform: Clipboard support. +// [X] Platform: Keyboard arrays indexed using SDL_SCANCODE_* codes, e.g. ImGui::IsKeyPressed(SDL_SCANCODE_SPACE). +// [X] Platform: Gamepad support. Enabled with 'io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad'. +// Missing features: +// [ ] Platform: SDL2 handling of IME under Windows appears to be broken and it explicitly disable the regular Windows IME. You can restore Windows IME by compiling SDL with SDL_DISABLE_WINDOWS_IME. + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +// CHANGELOG +// (minor and older changes stripped away, please see git history for details) +// 2020-02-20: Inputs: Fixed mapping for ImGuiKey_KeyPadEnter (using SDL_SCANCODE_KP_ENTER instead of SDL_SCANCODE_RETURN2). +// 2019-12-17: Inputs: On Wayland, use SDL_GetMouseState (because there is no global mouse state). +// 2019-12-05: Inputs: Added support for ImGuiMouseCursor_NotAllowed mouse cursor. +// 2019-07-21: Inputs: Added mapping for ImGuiKey_KeyPadEnter. +// 2019-04-23: Inputs: Added support for SDL_GameController (if ImGuiConfigFlags_NavEnableGamepad is set by user application). +// 2019-03-12: Misc: Preserve DisplayFramebufferScale when main window is minimized. +// 2018-12-21: Inputs: Workaround for Android/iOS which don't seem to handle focus related calls. +// 2018-11-30: Misc: Setting up io.BackendPlatformName so it can be displayed in the About Window. +// 2018-11-14: Changed the signature of ImGui_ImplSDL2_ProcessEvent() to take a 'const SDL_Event*'. +// 2018-08-01: Inputs: Workaround for Emscripten which doesn't seem to handle focus related calls. +// 2018-06-29: Inputs: Added support for the ImGuiMouseCursor_Hand cursor. +// 2018-06-08: Misc: Extracted imgui_impl_sdl.cpp/.h away from the old combined SDL2+OpenGL/Vulkan examples. +// 2018-06-08: Misc: ImGui_ImplSDL2_InitForOpenGL() now takes a SDL_GLContext parameter. +// 2018-05-09: Misc: Fixed clipboard paste memory leak (we didn't call SDL_FreeMemory on the data returned by SDL_GetClipboardText). +// 2018-03-20: Misc: Setup io.BackendFlags ImGuiBackendFlags_HasMouseCursors flag + honor ImGuiConfigFlags_NoMouseCursorChange flag. +// 2018-02-16: Inputs: Added support for mouse cursors, honoring ImGui::GetMouseCursor() value. +// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. +// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. +// 2018-02-05: Misc: Using SDL_GetPerformanceCounter() instead of SDL_GetTicks() to be able to handle very high framerate (1000+ FPS). +// 2018-02-05: Inputs: Keyboard mapping is using scancodes everywhere instead of a confusing mixture of keycodes and scancodes. +// 2018-01-20: Inputs: Added Horizontal Mouse Wheel support. +// 2018-01-19: Inputs: When available (SDL 2.0.4+) using SDL_CaptureMouse() to retrieve coordinates outside of client area when dragging. Otherwise (SDL 2.0.3 and before) testing for SDL_WINDOW_INPUT_FOCUS instead of SDL_WINDOW_MOUSE_FOCUS. +// 2018-01-18: Inputs: Added mapping for ImGuiKey_Insert. +// 2017-08-25: Inputs: MousePos set to -FLT_MAX,-FLT_MAX when mouse is unavailable/missing (instead of -1,-1). +// 2016-10-15: Misc: Added a void* user_data parameter to Clipboard function handlers. + +#include "imgui.h" +#include "imgui_impl_sdl.h" + +// SDL +#include +#include +#if defined(__APPLE__) +#include "TargetConditionals.h" +#endif + +#define SDL_HAS_CAPTURE_AND_GLOBAL_MOUSE SDL_VERSION_ATLEAST(2,0,4) +#define SDL_HAS_VULKAN SDL_VERSION_ATLEAST(2,0,6) + +// Data +static SDL_Window* g_Window = NULL; +static Uint64 g_Time = 0; +static bool g_MousePressed[3] = { false, false, false }; +static SDL_Cursor* g_MouseCursors[ImGuiMouseCursor_COUNT] = {}; +static char* g_ClipboardTextData = NULL; +static bool g_MouseCanUseGlobalState = true; + +static const char* ImGui_ImplSDL2_GetClipboardText(void*) +{ + if (g_ClipboardTextData) + SDL_free(g_ClipboardTextData); + g_ClipboardTextData = SDL_GetClipboardText(); + return g_ClipboardTextData; +} + +static void ImGui_ImplSDL2_SetClipboardText(void*, const char* text) +{ + SDL_SetClipboardText(text); +} + +// You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. +// - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application. +// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. +// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. +// If you have multiple SDL events and some of them are not meant to be used by dear imgui, you may need to filter events based on their windowID field. +bool ImGui_ImplSDL2_ProcessEvent(const SDL_Event* event) +{ + ImGuiIO& io = ImGui::GetIO(); + switch (event->type) + { + case SDL_MOUSEWHEEL: + { + if (event->wheel.x > 0) io.MouseWheelH += 1; + if (event->wheel.x < 0) io.MouseWheelH -= 1; + if (event->wheel.y > 0) io.MouseWheel += 1; + if (event->wheel.y < 0) io.MouseWheel -= 1; + return true; + } + case SDL_MOUSEBUTTONDOWN: + { + if (event->button.button == SDL_BUTTON_LEFT) g_MousePressed[0] = true; + if (event->button.button == SDL_BUTTON_RIGHT) g_MousePressed[1] = true; + if (event->button.button == SDL_BUTTON_MIDDLE) g_MousePressed[2] = true; + return true; + } + case SDL_TEXTINPUT: + { + io.AddInputCharactersUTF8(event->text.text); + return true; + } + case SDL_KEYDOWN: + case SDL_KEYUP: + { + int key = event->key.keysym.scancode; + IM_ASSERT(key >= 0 && key < IM_ARRAYSIZE(io.KeysDown)); + io.KeysDown[key] = (event->type == SDL_KEYDOWN); + io.KeyShift = ((SDL_GetModState() & KMOD_SHIFT) != 0); + io.KeyCtrl = ((SDL_GetModState() & KMOD_CTRL) != 0); + io.KeyAlt = ((SDL_GetModState() & KMOD_ALT) != 0); +#ifdef _WIN32 + io.KeySuper = false; +#else + io.KeySuper = ((SDL_GetModState() & KMOD_GUI) != 0); +#endif + return true; + } + } + return false; +} + +static bool ImGui_ImplSDL2_Init(SDL_Window* window) +{ + g_Window = window; + + // Setup back-end capabilities flags + ImGuiIO& io = ImGui::GetIO(); + io.BackendFlags |= ImGuiBackendFlags_HasMouseCursors; // We can honor GetMouseCursor() values (optional) + io.BackendFlags |= ImGuiBackendFlags_HasSetMousePos; // We can honor io.WantSetMousePos requests (optional, rarely used) + io.BackendPlatformName = "imgui_impl_sdl"; + + // Keyboard mapping. ImGui will use those indices to peek into the io.KeysDown[] array. + io.KeyMap[ImGuiKey_Tab] = SDL_SCANCODE_TAB; + io.KeyMap[ImGuiKey_LeftArrow] = SDL_SCANCODE_LEFT; + io.KeyMap[ImGuiKey_RightArrow] = SDL_SCANCODE_RIGHT; + io.KeyMap[ImGuiKey_UpArrow] = SDL_SCANCODE_UP; + io.KeyMap[ImGuiKey_DownArrow] = SDL_SCANCODE_DOWN; + io.KeyMap[ImGuiKey_PageUp] = SDL_SCANCODE_PAGEUP; + io.KeyMap[ImGuiKey_PageDown] = SDL_SCANCODE_PAGEDOWN; + io.KeyMap[ImGuiKey_Home] = SDL_SCANCODE_HOME; + io.KeyMap[ImGuiKey_End] = SDL_SCANCODE_END; + io.KeyMap[ImGuiKey_Insert] = SDL_SCANCODE_INSERT; + io.KeyMap[ImGuiKey_Delete] = SDL_SCANCODE_DELETE; + io.KeyMap[ImGuiKey_Backspace] = SDL_SCANCODE_BACKSPACE; + io.KeyMap[ImGuiKey_Space] = SDL_SCANCODE_SPACE; + io.KeyMap[ImGuiKey_Enter] = SDL_SCANCODE_RETURN; + io.KeyMap[ImGuiKey_Escape] = SDL_SCANCODE_ESCAPE; + io.KeyMap[ImGuiKey_KeyPadEnter] = SDL_SCANCODE_KP_ENTER; + io.KeyMap[ImGuiKey_A] = SDL_SCANCODE_A; + io.KeyMap[ImGuiKey_C] = SDL_SCANCODE_C; + io.KeyMap[ImGuiKey_V] = SDL_SCANCODE_V; + io.KeyMap[ImGuiKey_X] = SDL_SCANCODE_X; + io.KeyMap[ImGuiKey_Y] = SDL_SCANCODE_Y; + io.KeyMap[ImGuiKey_Z] = SDL_SCANCODE_Z; + + io.SetClipboardTextFn = ImGui_ImplSDL2_SetClipboardText; + io.GetClipboardTextFn = ImGui_ImplSDL2_GetClipboardText; + io.ClipboardUserData = NULL; + + // Load mouse cursors + g_MouseCursors[ImGuiMouseCursor_Arrow] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_ARROW); + g_MouseCursors[ImGuiMouseCursor_TextInput] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_IBEAM); + g_MouseCursors[ImGuiMouseCursor_ResizeAll] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_SIZEALL); + g_MouseCursors[ImGuiMouseCursor_ResizeNS] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_SIZENS); + g_MouseCursors[ImGuiMouseCursor_ResizeEW] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_SIZEWE); + g_MouseCursors[ImGuiMouseCursor_ResizeNESW] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_SIZENESW); + g_MouseCursors[ImGuiMouseCursor_ResizeNWSE] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_SIZENWSE); + g_MouseCursors[ImGuiMouseCursor_Hand] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_HAND); + g_MouseCursors[ImGuiMouseCursor_NotAllowed] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_NO); + + // Check and store if we are on Wayland + g_MouseCanUseGlobalState = strncmp(SDL_GetCurrentVideoDriver(), "wayland", 7) != 0; + +#ifdef _WIN32 + SDL_SysWMinfo wmInfo; + SDL_VERSION(&wmInfo.version); + SDL_GetWindowWMInfo(window, &wmInfo); + io.ImeWindowHandle = wmInfo.info.win.window; +#else + (void)window; +#endif + + return true; +} + +bool ImGui_ImplSDL2_InitForOpenGL(SDL_Window* window, void* sdl_gl_context) +{ + (void)sdl_gl_context; // Viewport branch will need this. + return ImGui_ImplSDL2_Init(window); +} + +bool ImGui_ImplSDL2_InitForVulkan(SDL_Window* window) +{ +#if !SDL_HAS_VULKAN + IM_ASSERT(0 && "Unsupported"); +#endif + return ImGui_ImplSDL2_Init(window); +} + +bool ImGui_ImplSDL2_InitForD3D(SDL_Window* window) +{ +#if !defined(_WIN32) + IM_ASSERT(0 && "Unsupported"); +#endif + return ImGui_ImplSDL2_Init(window); +} + +bool ImGui_ImplSDL2_InitForMetal(SDL_Window* window) +{ + return ImGui_ImplSDL2_Init(window); +} + +void ImGui_ImplSDL2_Shutdown() +{ + g_Window = NULL; + + // Destroy last known clipboard data + if (g_ClipboardTextData) + SDL_free(g_ClipboardTextData); + g_ClipboardTextData = NULL; + + // Destroy SDL mouse cursors + for (ImGuiMouseCursor cursor_n = 0; cursor_n < ImGuiMouseCursor_COUNT; cursor_n++) + SDL_FreeCursor(g_MouseCursors[cursor_n]); + memset(g_MouseCursors, 0, sizeof(g_MouseCursors)); +} + +static void ImGui_ImplSDL2_UpdateMousePosAndButtons() +{ + ImGuiIO& io = ImGui::GetIO(); + + // Set OS mouse position if requested (rarely used, only when ImGuiConfigFlags_NavEnableSetMousePos is enabled by user) + if (io.WantSetMousePos) + SDL_WarpMouseInWindow(g_Window, (int)io.MousePos.x, (int)io.MousePos.y); + else + io.MousePos = ImVec2(-FLT_MAX, -FLT_MAX); + + int mx, my; + Uint32 mouse_buttons = SDL_GetMouseState(&mx, &my); + io.MouseDown[0] = g_MousePressed[0] || (mouse_buttons & SDL_BUTTON(SDL_BUTTON_LEFT)) != 0; // If a mouse press event came, always pass it as "mouse held this frame", so we don't miss click-release events that are shorter than 1 frame. + io.MouseDown[1] = g_MousePressed[1] || (mouse_buttons & SDL_BUTTON(SDL_BUTTON_RIGHT)) != 0; + io.MouseDown[2] = g_MousePressed[2] || (mouse_buttons & SDL_BUTTON(SDL_BUTTON_MIDDLE)) != 0; + g_MousePressed[0] = g_MousePressed[1] = g_MousePressed[2] = false; + +#if SDL_HAS_CAPTURE_AND_GLOBAL_MOUSE && !defined(__EMSCRIPTEN__) && !defined(__ANDROID__) && !(defined(__APPLE__) && TARGET_OS_IOS) + SDL_Window* focused_window = SDL_GetKeyboardFocus(); + if (g_Window == focused_window) + { + if (g_MouseCanUseGlobalState) + { + // SDL_GetMouseState() gives mouse position seemingly based on the last window entered/focused(?) + // The creation of a new windows at runtime and SDL_CaptureMouse both seems to severely mess up with that, so we retrieve that position globally. + // Won't use this workaround when on Wayland, as there is no global mouse position. + int wx, wy; + SDL_GetWindowPosition(focused_window, &wx, &wy); + SDL_GetGlobalMouseState(&mx, &my); + mx -= wx; + my -= wy; + } + io.MousePos = ImVec2((float)mx, (float)my); + } + + // SDL_CaptureMouse() let the OS know e.g. that our imgui drag outside the SDL window boundaries shouldn't e.g. trigger the OS window resize cursor. + // The function is only supported from SDL 2.0.4 (released Jan 2016) + bool any_mouse_button_down = ImGui::IsAnyMouseDown(); + SDL_CaptureMouse(any_mouse_button_down ? SDL_TRUE : SDL_FALSE); +#else + if (SDL_GetWindowFlags(g_Window) & SDL_WINDOW_INPUT_FOCUS) + io.MousePos = ImVec2((float)mx, (float)my); +#endif +} + +static void ImGui_ImplSDL2_UpdateMouseCursor() +{ + ImGuiIO& io = ImGui::GetIO(); + if (io.ConfigFlags & ImGuiConfigFlags_NoMouseCursorChange) + return; + + ImGuiMouseCursor imgui_cursor = ImGui::GetMouseCursor(); + if (io.MouseDrawCursor || imgui_cursor == ImGuiMouseCursor_None) + { + // Hide OS mouse cursor if imgui is drawing it or if it wants no cursor + SDL_ShowCursor(SDL_FALSE); + } + else + { + // Show OS mouse cursor + SDL_SetCursor(g_MouseCursors[imgui_cursor] ? g_MouseCursors[imgui_cursor] : g_MouseCursors[ImGuiMouseCursor_Arrow]); + SDL_ShowCursor(SDL_TRUE); + } +} + +static void ImGui_ImplSDL2_UpdateGamepads() +{ + ImGuiIO& io = ImGui::GetIO(); + memset(io.NavInputs, 0, sizeof(io.NavInputs)); + if ((io.ConfigFlags & ImGuiConfigFlags_NavEnableGamepad) == 0) + return; + + // Get gamepad + SDL_GameController* game_controller = SDL_GameControllerOpen(0); + if (!game_controller) + { + io.BackendFlags &= ~ImGuiBackendFlags_HasGamepad; + return; + } + + // Update gamepad inputs + #define MAP_BUTTON(NAV_NO, BUTTON_NO) { io.NavInputs[NAV_NO] = (SDL_GameControllerGetButton(game_controller, BUTTON_NO) != 0) ? 1.0f : 0.0f; } + #define MAP_ANALOG(NAV_NO, AXIS_NO, V0, V1) { float vn = (float)(SDL_GameControllerGetAxis(game_controller, AXIS_NO) - V0) / (float)(V1 - V0); if (vn > 1.0f) vn = 1.0f; if (vn > 0.0f && io.NavInputs[NAV_NO] < vn) io.NavInputs[NAV_NO] = vn; } + const int thumb_dead_zone = 8000; // SDL_gamecontroller.h suggests using this value. + MAP_BUTTON(ImGuiNavInput_Activate, SDL_CONTROLLER_BUTTON_A); // Cross / A + MAP_BUTTON(ImGuiNavInput_Cancel, SDL_CONTROLLER_BUTTON_B); // Circle / B + MAP_BUTTON(ImGuiNavInput_Menu, SDL_CONTROLLER_BUTTON_X); // Square / X + MAP_BUTTON(ImGuiNavInput_Input, SDL_CONTROLLER_BUTTON_Y); // Triangle / Y + MAP_BUTTON(ImGuiNavInput_DpadLeft, SDL_CONTROLLER_BUTTON_DPAD_LEFT); // D-Pad Left + MAP_BUTTON(ImGuiNavInput_DpadRight, SDL_CONTROLLER_BUTTON_DPAD_RIGHT); // D-Pad Right + MAP_BUTTON(ImGuiNavInput_DpadUp, SDL_CONTROLLER_BUTTON_DPAD_UP); // D-Pad Up + MAP_BUTTON(ImGuiNavInput_DpadDown, SDL_CONTROLLER_BUTTON_DPAD_DOWN); // D-Pad Down + MAP_BUTTON(ImGuiNavInput_FocusPrev, SDL_CONTROLLER_BUTTON_LEFTSHOULDER); // L1 / LB + MAP_BUTTON(ImGuiNavInput_FocusNext, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER); // R1 / RB + MAP_BUTTON(ImGuiNavInput_TweakSlow, SDL_CONTROLLER_BUTTON_LEFTSHOULDER); // L1 / LB + MAP_BUTTON(ImGuiNavInput_TweakFast, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER); // R1 / RB + MAP_ANALOG(ImGuiNavInput_LStickLeft, SDL_CONTROLLER_AXIS_LEFTX, -thumb_dead_zone, -32768); + MAP_ANALOG(ImGuiNavInput_LStickRight, SDL_CONTROLLER_AXIS_LEFTX, +thumb_dead_zone, +32767); + MAP_ANALOG(ImGuiNavInput_LStickUp, SDL_CONTROLLER_AXIS_LEFTY, -thumb_dead_zone, -32767); + MAP_ANALOG(ImGuiNavInput_LStickDown, SDL_CONTROLLER_AXIS_LEFTY, +thumb_dead_zone, +32767); + + io.BackendFlags |= ImGuiBackendFlags_HasGamepad; + #undef MAP_BUTTON + #undef MAP_ANALOG +} + +void ImGui_ImplSDL2_NewFrame(SDL_Window* window) +{ + ImGuiIO& io = ImGui::GetIO(); + IM_ASSERT(io.Fonts->IsBuilt() && "Font atlas not built! It is generally built by the renderer back-end. Missing call to renderer _NewFrame() function? e.g. ImGui_ImplOpenGL3_NewFrame()."); + + // Setup display size (every frame to accommodate for window resizing) + int w, h; + int display_w, display_h; + SDL_GetWindowSize(window, &w, &h); + SDL_GL_GetDrawableSize(window, &display_w, &display_h); + io.DisplaySize = ImVec2((float)w, (float)h); + if (w > 0 && h > 0) + io.DisplayFramebufferScale = ImVec2((float)display_w / w, (float)display_h / h); + + // Setup time step (we don't use SDL_GetTicks() because it is using millisecond resolution) + static Uint64 frequency = SDL_GetPerformanceFrequency(); + Uint64 current_time = SDL_GetPerformanceCounter(); + io.DeltaTime = g_Time > 0 ? (float)((double)(current_time - g_Time) / frequency) : (float)(1.0f / 60.0f); + g_Time = current_time; + + ImGui_ImplSDL2_UpdateMousePosAndButtons(); + ImGui_ImplSDL2_UpdateMouseCursor(); + + // Update game controllers (if enabled and available) + ImGui_ImplSDL2_UpdateGamepads(); +} diff --git a/imgui-submodule/imgui/examples/imgui_impl_sdl.h b/imgui-submodule/imgui/examples/imgui_impl_sdl.h new file mode 100644 index 0000000..a672ca8 --- /dev/null +++ b/imgui-submodule/imgui/examples/imgui_impl_sdl.h @@ -0,0 +1,28 @@ +// dear imgui: Platform Binding for SDL2 +// This needs to be used along with a Renderer (e.g. DirectX11, OpenGL3, Vulkan..) +// (Info: SDL2 is a cross-platform general purpose library for handling windows, inputs, graphics context creation, etc.) + +// Implemented features: +// [X] Platform: Mouse cursor shape and visibility. Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange'. +// [X] Platform: Clipboard support. +// [X] Platform: Keyboard arrays indexed using SDL_SCANCODE_* codes, e.g. ImGui::IsKeyPressed(SDL_SCANCODE_SPACE). +// [X] Platform: Gamepad support. Enabled with 'io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad'. +// Missing features: +// [ ] Platform: SDL2 handling of IME under Windows appears to be broken and it explicitly disable the regular Windows IME. You can restore Windows IME by compiling SDL with SDL_DISABLE_WINDOWS_IME. + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +#pragma once + +struct SDL_Window; +typedef union SDL_Event SDL_Event; + +IMGUI_IMPL_API bool ImGui_ImplSDL2_InitForOpenGL(SDL_Window* window, void* sdl_gl_context); +IMGUI_IMPL_API bool ImGui_ImplSDL2_InitForVulkan(SDL_Window* window); +IMGUI_IMPL_API bool ImGui_ImplSDL2_InitForD3D(SDL_Window* window); +IMGUI_IMPL_API bool ImGui_ImplSDL2_InitForMetal(SDL_Window* window); +IMGUI_IMPL_API void ImGui_ImplSDL2_Shutdown(); +IMGUI_IMPL_API void ImGui_ImplSDL2_NewFrame(SDL_Window* window); +IMGUI_IMPL_API bool ImGui_ImplSDL2_ProcessEvent(const SDL_Event* event); diff --git a/imgui-submodule/imgui/examples/imgui_impl_vulkan.cpp b/imgui-submodule/imgui/examples/imgui_impl_vulkan.cpp new file mode 100644 index 0000000..095a7f2 --- /dev/null +++ b/imgui-submodule/imgui/examples/imgui_impl_vulkan.cpp @@ -0,0 +1,1222 @@ +// dear imgui: Renderer for Vulkan +// This needs to be used along with a Platform Binding (e.g. GLFW, SDL, Win32, custom..) + +// Implemented features: +// [X] Renderer: Support for large meshes (64k+ vertices) with 16-bit indices. +// Missing features: +// [ ] Renderer: User texture binding. Changes of ImTextureID aren't supported by this binding! See https://github.com/ocornut/imgui/pull/914 + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +// The aim of imgui_impl_vulkan.h/.cpp is to be usable in your engine without any modification. +// IF YOU FEEL YOU NEED TO MAKE ANY CHANGE TO THIS CODE, please share them and your feedback at https://github.com/ocornut/imgui/ + +// Important note to the reader who wish to integrate imgui_impl_vulkan.cpp/.h in their own engine/app. +// - Common ImGui_ImplVulkan_XXX functions and structures are used to interface with imgui_impl_vulkan.cpp/.h. +// You will use those if you want to use this rendering back-end in your engine/app. +// - Helper ImGui_ImplVulkanH_XXX functions and structures are only used by this example (main.cpp) and by +// the back-end itself (imgui_impl_vulkan.cpp), but should PROBABLY NOT be used by your own engine/app code. +// Read comments in imgui_impl_vulkan.h. + +// CHANGELOG +// (minor and older changes stripped away, please see git history for details) +// 2019-08-01: Vulkan: Added support for specifying multisample count. Set ImGui_ImplVulkan_InitInfo::MSAASamples to one of the VkSampleCountFlagBits values to use, default is non-multisampled as before. +// 2019-05-29: Vulkan: Added support for large mesh (64K+ vertices), enable ImGuiBackendFlags_RendererHasVtxOffset flag. +// 2019-04-30: Vulkan: Added support for special ImDrawCallback_ResetRenderState callback to reset render state. +// 2019-04-04: *BREAKING CHANGE*: Vulkan: Added ImageCount/MinImageCount fields in ImGui_ImplVulkan_InitInfo, required for initialization (was previously a hard #define IMGUI_VK_QUEUED_FRAMES 2). Added ImGui_ImplVulkan_SetMinImageCount(). +// 2019-04-04: Vulkan: Added VkInstance argument to ImGui_ImplVulkanH_CreateWindow() optional helper. +// 2019-04-04: Vulkan: Avoid passing negative coordinates to vkCmdSetScissor, which debug validation layers do not like. +// 2019-04-01: Vulkan: Support for 32-bit index buffer (#define ImDrawIdx unsigned int). +// 2019-02-16: Vulkan: Viewport and clipping rectangles correctly using draw_data->FramebufferScale to allow retina display. +// 2018-11-30: Misc: Setting up io.BackendRendererName so it can be displayed in the About Window. +// 2018-08-25: Vulkan: Fixed mishandled VkSurfaceCapabilitiesKHR::maxImageCount=0 case. +// 2018-06-22: Inverted the parameters to ImGui_ImplVulkan_RenderDrawData() to be consistent with other bindings. +// 2018-06-08: Misc: Extracted imgui_impl_vulkan.cpp/.h away from the old combined GLFW+Vulkan example. +// 2018-06-08: Vulkan: Use draw_data->DisplayPos and draw_data->DisplaySize to setup projection matrix and clipping rectangle. +// 2018-03-03: Vulkan: Various refactor, created a couple of ImGui_ImplVulkanH_XXX helper that the example can use and that viewport support will use. +// 2018-03-01: Vulkan: Renamed ImGui_ImplVulkan_Init_Info to ImGui_ImplVulkan_InitInfo and fields to match more closely Vulkan terminology. +// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback, ImGui_ImplVulkan_Render() calls ImGui_ImplVulkan_RenderDrawData() itself. +// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. +// 2017-05-15: Vulkan: Fix scissor offset being negative. Fix new Vulkan validation warnings. Set required depth member for buffer image copy. +// 2016-11-13: Vulkan: Fix validation layer warnings and errors and redeclare gl_PerVertex. +// 2016-10-18: Vulkan: Add location decorators & change to use structs as in/out in glsl, update embedded spv (produced with glslangValidator -x). Null the released resources. +// 2016-08-27: Vulkan: Fix Vulkan example for use when a depth buffer is active. + +#include "imgui.h" +#include "imgui_impl_vulkan.h" +#include + +// Reusable buffers used for rendering 1 current in-flight frame, for ImGui_ImplVulkan_RenderDrawData() +// [Please zero-clear before use!] +struct ImGui_ImplVulkanH_FrameRenderBuffers +{ + VkDeviceMemory VertexBufferMemory; + VkDeviceMemory IndexBufferMemory; + VkDeviceSize VertexBufferSize; + VkDeviceSize IndexBufferSize; + VkBuffer VertexBuffer; + VkBuffer IndexBuffer; +}; + +// Each viewport will hold 1 ImGui_ImplVulkanH_WindowRenderBuffers +// [Please zero-clear before use!] +struct ImGui_ImplVulkanH_WindowRenderBuffers +{ + uint32_t Index; + uint32_t Count; + ImGui_ImplVulkanH_FrameRenderBuffers* FrameRenderBuffers; +}; + +// Vulkan data +static ImGui_ImplVulkan_InitInfo g_VulkanInitInfo = {}; +static VkRenderPass g_RenderPass = VK_NULL_HANDLE; +static VkDeviceSize g_BufferMemoryAlignment = 256; +static VkPipelineCreateFlags g_PipelineCreateFlags = 0x00; +static VkDescriptorSetLayout g_DescriptorSetLayout = VK_NULL_HANDLE; +static VkPipelineLayout g_PipelineLayout = VK_NULL_HANDLE; +static VkDescriptorSet g_DescriptorSet = VK_NULL_HANDLE; +static VkPipeline g_Pipeline = VK_NULL_HANDLE; + +// Font data +static VkSampler g_FontSampler = VK_NULL_HANDLE; +static VkDeviceMemory g_FontMemory = VK_NULL_HANDLE; +static VkImage g_FontImage = VK_NULL_HANDLE; +static VkImageView g_FontView = VK_NULL_HANDLE; +static VkDeviceMemory g_UploadBufferMemory = VK_NULL_HANDLE; +static VkBuffer g_UploadBuffer = VK_NULL_HANDLE; + +// Render buffers +static ImGui_ImplVulkanH_WindowRenderBuffers g_MainWindowRenderBuffers; + +// Forward Declarations +bool ImGui_ImplVulkan_CreateDeviceObjects(); +void ImGui_ImplVulkan_DestroyDeviceObjects(); +void ImGui_ImplVulkanH_DestroyFrame(VkDevice device, ImGui_ImplVulkanH_Frame* fd, const VkAllocationCallbacks* allocator); +void ImGui_ImplVulkanH_DestroyFrameSemaphores(VkDevice device, ImGui_ImplVulkanH_FrameSemaphores* fsd, const VkAllocationCallbacks* allocator); +void ImGui_ImplVulkanH_DestroyFrameRenderBuffers(VkDevice device, ImGui_ImplVulkanH_FrameRenderBuffers* buffers, const VkAllocationCallbacks* allocator); +void ImGui_ImplVulkanH_DestroyWindowRenderBuffers(VkDevice device, ImGui_ImplVulkanH_WindowRenderBuffers* buffers, const VkAllocationCallbacks* allocator); +void ImGui_ImplVulkanH_CreateWindowSwapChain(VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_Window* wd, const VkAllocationCallbacks* allocator, int w, int h, uint32_t min_image_count); +void ImGui_ImplVulkanH_CreateWindowCommandBuffers(VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_Window* wd, uint32_t queue_family, const VkAllocationCallbacks* allocator); + +//----------------------------------------------------------------------------- +// SHADERS +//----------------------------------------------------------------------------- + +// glsl_shader.vert, compiled with: +// # glslangValidator -V -x -o glsl_shader.vert.u32 glsl_shader.vert +/* +#version 450 core +layout(location = 0) in vec2 aPos; +layout(location = 1) in vec2 aUV; +layout(location = 2) in vec4 aColor; +layout(push_constant) uniform uPushConstant { vec2 uScale; vec2 uTranslate; } pc; + +out gl_PerVertex { vec4 gl_Position; }; +layout(location = 0) out struct { vec4 Color; vec2 UV; } Out; + +void main() +{ + Out.Color = aColor; + Out.UV = aUV; + gl_Position = vec4(aPos * pc.uScale + pc.uTranslate, 0, 1); +} +*/ +static uint32_t __glsl_shader_vert_spv[] = +{ + 0x07230203,0x00010000,0x00080001,0x0000002e,0x00000000,0x00020011,0x00000001,0x0006000b, + 0x00000001,0x4c534c47,0x6474732e,0x3035342e,0x00000000,0x0003000e,0x00000000,0x00000001, + 0x000a000f,0x00000000,0x00000004,0x6e69616d,0x00000000,0x0000000b,0x0000000f,0x00000015, + 0x0000001b,0x0000001c,0x00030003,0x00000002,0x000001c2,0x00040005,0x00000004,0x6e69616d, + 0x00000000,0x00030005,0x00000009,0x00000000,0x00050006,0x00000009,0x00000000,0x6f6c6f43, + 0x00000072,0x00040006,0x00000009,0x00000001,0x00005655,0x00030005,0x0000000b,0x0074754f, + 0x00040005,0x0000000f,0x6c6f4361,0x0000726f,0x00030005,0x00000015,0x00565561,0x00060005, + 0x00000019,0x505f6c67,0x65567265,0x78657472,0x00000000,0x00060006,0x00000019,0x00000000, + 0x505f6c67,0x7469736f,0x006e6f69,0x00030005,0x0000001b,0x00000000,0x00040005,0x0000001c, + 0x736f5061,0x00000000,0x00060005,0x0000001e,0x73755075,0x6e6f4368,0x6e617473,0x00000074, + 0x00050006,0x0000001e,0x00000000,0x61635375,0x0000656c,0x00060006,0x0000001e,0x00000001, + 0x61725475,0x616c736e,0x00006574,0x00030005,0x00000020,0x00006370,0x00040047,0x0000000b, + 0x0000001e,0x00000000,0x00040047,0x0000000f,0x0000001e,0x00000002,0x00040047,0x00000015, + 0x0000001e,0x00000001,0x00050048,0x00000019,0x00000000,0x0000000b,0x00000000,0x00030047, + 0x00000019,0x00000002,0x00040047,0x0000001c,0x0000001e,0x00000000,0x00050048,0x0000001e, + 0x00000000,0x00000023,0x00000000,0x00050048,0x0000001e,0x00000001,0x00000023,0x00000008, + 0x00030047,0x0000001e,0x00000002,0x00020013,0x00000002,0x00030021,0x00000003,0x00000002, + 0x00030016,0x00000006,0x00000020,0x00040017,0x00000007,0x00000006,0x00000004,0x00040017, + 0x00000008,0x00000006,0x00000002,0x0004001e,0x00000009,0x00000007,0x00000008,0x00040020, + 0x0000000a,0x00000003,0x00000009,0x0004003b,0x0000000a,0x0000000b,0x00000003,0x00040015, + 0x0000000c,0x00000020,0x00000001,0x0004002b,0x0000000c,0x0000000d,0x00000000,0x00040020, + 0x0000000e,0x00000001,0x00000007,0x0004003b,0x0000000e,0x0000000f,0x00000001,0x00040020, + 0x00000011,0x00000003,0x00000007,0x0004002b,0x0000000c,0x00000013,0x00000001,0x00040020, + 0x00000014,0x00000001,0x00000008,0x0004003b,0x00000014,0x00000015,0x00000001,0x00040020, + 0x00000017,0x00000003,0x00000008,0x0003001e,0x00000019,0x00000007,0x00040020,0x0000001a, + 0x00000003,0x00000019,0x0004003b,0x0000001a,0x0000001b,0x00000003,0x0004003b,0x00000014, + 0x0000001c,0x00000001,0x0004001e,0x0000001e,0x00000008,0x00000008,0x00040020,0x0000001f, + 0x00000009,0x0000001e,0x0004003b,0x0000001f,0x00000020,0x00000009,0x00040020,0x00000021, + 0x00000009,0x00000008,0x0004002b,0x00000006,0x00000028,0x00000000,0x0004002b,0x00000006, + 0x00000029,0x3f800000,0x00050036,0x00000002,0x00000004,0x00000000,0x00000003,0x000200f8, + 0x00000005,0x0004003d,0x00000007,0x00000010,0x0000000f,0x00050041,0x00000011,0x00000012, + 0x0000000b,0x0000000d,0x0003003e,0x00000012,0x00000010,0x0004003d,0x00000008,0x00000016, + 0x00000015,0x00050041,0x00000017,0x00000018,0x0000000b,0x00000013,0x0003003e,0x00000018, + 0x00000016,0x0004003d,0x00000008,0x0000001d,0x0000001c,0x00050041,0x00000021,0x00000022, + 0x00000020,0x0000000d,0x0004003d,0x00000008,0x00000023,0x00000022,0x00050085,0x00000008, + 0x00000024,0x0000001d,0x00000023,0x00050041,0x00000021,0x00000025,0x00000020,0x00000013, + 0x0004003d,0x00000008,0x00000026,0x00000025,0x00050081,0x00000008,0x00000027,0x00000024, + 0x00000026,0x00050051,0x00000006,0x0000002a,0x00000027,0x00000000,0x00050051,0x00000006, + 0x0000002b,0x00000027,0x00000001,0x00070050,0x00000007,0x0000002c,0x0000002a,0x0000002b, + 0x00000028,0x00000029,0x00050041,0x00000011,0x0000002d,0x0000001b,0x0000000d,0x0003003e, + 0x0000002d,0x0000002c,0x000100fd,0x00010038 +}; + +// glsl_shader.frag, compiled with: +// # glslangValidator -V -x -o glsl_shader.frag.u32 glsl_shader.frag +/* +#version 450 core +layout(location = 0) out vec4 fColor; +layout(set=0, binding=0) uniform sampler2D sTexture; +layout(location = 0) in struct { vec4 Color; vec2 UV; } In; +void main() +{ + fColor = In.Color * texture(sTexture, In.UV.st); +} +*/ +static uint32_t __glsl_shader_frag_spv[] = +{ + 0x07230203,0x00010000,0x00080001,0x0000001e,0x00000000,0x00020011,0x00000001,0x0006000b, + 0x00000001,0x4c534c47,0x6474732e,0x3035342e,0x00000000,0x0003000e,0x00000000,0x00000001, + 0x0007000f,0x00000004,0x00000004,0x6e69616d,0x00000000,0x00000009,0x0000000d,0x00030010, + 0x00000004,0x00000007,0x00030003,0x00000002,0x000001c2,0x00040005,0x00000004,0x6e69616d, + 0x00000000,0x00040005,0x00000009,0x6c6f4366,0x0000726f,0x00030005,0x0000000b,0x00000000, + 0x00050006,0x0000000b,0x00000000,0x6f6c6f43,0x00000072,0x00040006,0x0000000b,0x00000001, + 0x00005655,0x00030005,0x0000000d,0x00006e49,0x00050005,0x00000016,0x78655473,0x65727574, + 0x00000000,0x00040047,0x00000009,0x0000001e,0x00000000,0x00040047,0x0000000d,0x0000001e, + 0x00000000,0x00040047,0x00000016,0x00000022,0x00000000,0x00040047,0x00000016,0x00000021, + 0x00000000,0x00020013,0x00000002,0x00030021,0x00000003,0x00000002,0x00030016,0x00000006, + 0x00000020,0x00040017,0x00000007,0x00000006,0x00000004,0x00040020,0x00000008,0x00000003, + 0x00000007,0x0004003b,0x00000008,0x00000009,0x00000003,0x00040017,0x0000000a,0x00000006, + 0x00000002,0x0004001e,0x0000000b,0x00000007,0x0000000a,0x00040020,0x0000000c,0x00000001, + 0x0000000b,0x0004003b,0x0000000c,0x0000000d,0x00000001,0x00040015,0x0000000e,0x00000020, + 0x00000001,0x0004002b,0x0000000e,0x0000000f,0x00000000,0x00040020,0x00000010,0x00000001, + 0x00000007,0x00090019,0x00000013,0x00000006,0x00000001,0x00000000,0x00000000,0x00000000, + 0x00000001,0x00000000,0x0003001b,0x00000014,0x00000013,0x00040020,0x00000015,0x00000000, + 0x00000014,0x0004003b,0x00000015,0x00000016,0x00000000,0x0004002b,0x0000000e,0x00000018, + 0x00000001,0x00040020,0x00000019,0x00000001,0x0000000a,0x00050036,0x00000002,0x00000004, + 0x00000000,0x00000003,0x000200f8,0x00000005,0x00050041,0x00000010,0x00000011,0x0000000d, + 0x0000000f,0x0004003d,0x00000007,0x00000012,0x00000011,0x0004003d,0x00000014,0x00000017, + 0x00000016,0x00050041,0x00000019,0x0000001a,0x0000000d,0x00000018,0x0004003d,0x0000000a, + 0x0000001b,0x0000001a,0x00050057,0x00000007,0x0000001c,0x00000017,0x0000001b,0x00050085, + 0x00000007,0x0000001d,0x00000012,0x0000001c,0x0003003e,0x00000009,0x0000001d,0x000100fd, + 0x00010038 +}; + +//----------------------------------------------------------------------------- +// FUNCTIONS +//----------------------------------------------------------------------------- + +static uint32_t ImGui_ImplVulkan_MemoryType(VkMemoryPropertyFlags properties, uint32_t type_bits) +{ + ImGui_ImplVulkan_InitInfo* v = &g_VulkanInitInfo; + VkPhysicalDeviceMemoryProperties prop; + vkGetPhysicalDeviceMemoryProperties(v->PhysicalDevice, &prop); + for (uint32_t i = 0; i < prop.memoryTypeCount; i++) + if ((prop.memoryTypes[i].propertyFlags & properties) == properties && type_bits & (1<CheckVkResultFn) + v->CheckVkResultFn(err); +} + +static void CreateOrResizeBuffer(VkBuffer& buffer, VkDeviceMemory& buffer_memory, VkDeviceSize& p_buffer_size, size_t new_size, VkBufferUsageFlagBits usage) +{ + ImGui_ImplVulkan_InitInfo* v = &g_VulkanInitInfo; + VkResult err; + if (buffer != VK_NULL_HANDLE) + vkDestroyBuffer(v->Device, buffer, v->Allocator); + if (buffer_memory != VK_NULL_HANDLE) + vkFreeMemory(v->Device, buffer_memory, v->Allocator); + + VkDeviceSize vertex_buffer_size_aligned = ((new_size - 1) / g_BufferMemoryAlignment + 1) * g_BufferMemoryAlignment; + VkBufferCreateInfo buffer_info = {}; + buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; + buffer_info.size = vertex_buffer_size_aligned; + buffer_info.usage = usage; + buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; + err = vkCreateBuffer(v->Device, &buffer_info, v->Allocator, &buffer); + check_vk_result(err); + + VkMemoryRequirements req; + vkGetBufferMemoryRequirements(v->Device, buffer, &req); + g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment; + VkMemoryAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; + alloc_info.allocationSize = req.size; + alloc_info.memoryTypeIndex = ImGui_ImplVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); + err = vkAllocateMemory(v->Device, &alloc_info, v->Allocator, &buffer_memory); + check_vk_result(err); + + err = vkBindBufferMemory(v->Device, buffer, buffer_memory, 0); + check_vk_result(err); + p_buffer_size = new_size; +} + +static void ImGui_ImplVulkan_SetupRenderState(ImDrawData* draw_data, VkCommandBuffer command_buffer, ImGui_ImplVulkanH_FrameRenderBuffers* rb, int fb_width, int fb_height) +{ + // Bind pipeline and descriptor sets: + { + vkCmdBindPipeline(command_buffer, VK_PIPELINE_BIND_POINT_GRAPHICS, g_Pipeline); + VkDescriptorSet desc_set[1] = { g_DescriptorSet }; + vkCmdBindDescriptorSets(command_buffer, VK_PIPELINE_BIND_POINT_GRAPHICS, g_PipelineLayout, 0, 1, desc_set, 0, NULL); + } + + // Bind Vertex And Index Buffer: + { + VkBuffer vertex_buffers[1] = { rb->VertexBuffer }; + VkDeviceSize vertex_offset[1] = { 0 }; + vkCmdBindVertexBuffers(command_buffer, 0, 1, vertex_buffers, vertex_offset); + vkCmdBindIndexBuffer(command_buffer, rb->IndexBuffer, 0, sizeof(ImDrawIdx) == 2 ? VK_INDEX_TYPE_UINT16 : VK_INDEX_TYPE_UINT32); + } + + // Setup viewport: + { + VkViewport viewport; + viewport.x = 0; + viewport.y = 0; + viewport.width = (float)fb_width; + viewport.height = (float)fb_height; + viewport.minDepth = 0.0f; + viewport.maxDepth = 1.0f; + vkCmdSetViewport(command_buffer, 0, 1, &viewport); + } + + // Setup scale and translation: + // Our visible imgui space lies from draw_data->DisplayPps (top left) to draw_data->DisplayPos+data_data->DisplaySize (bottom right). DisplayPos is (0,0) for single viewport apps. + { + float scale[2]; + scale[0] = 2.0f / draw_data->DisplaySize.x; + scale[1] = 2.0f / draw_data->DisplaySize.y; + float translate[2]; + translate[0] = -1.0f - draw_data->DisplayPos.x * scale[0]; + translate[1] = -1.0f - draw_data->DisplayPos.y * scale[1]; + vkCmdPushConstants(command_buffer, g_PipelineLayout, VK_SHADER_STAGE_VERTEX_BIT, sizeof(float) * 0, sizeof(float) * 2, scale); + vkCmdPushConstants(command_buffer, g_PipelineLayout, VK_SHADER_STAGE_VERTEX_BIT, sizeof(float) * 2, sizeof(float) * 2, translate); + } +} + +// Render function +// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop) +void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer command_buffer) +{ + // Avoid rendering when minimized, scale coordinates for retina displays (screen coordinates != framebuffer coordinates) + int fb_width = (int)(draw_data->DisplaySize.x * draw_data->FramebufferScale.x); + int fb_height = (int)(draw_data->DisplaySize.y * draw_data->FramebufferScale.y); + if (fb_width <= 0 || fb_height <= 0 || draw_data->TotalVtxCount == 0) + return; + + ImGui_ImplVulkan_InitInfo* v = &g_VulkanInitInfo; + + // Allocate array to store enough vertex/index buffers + ImGui_ImplVulkanH_WindowRenderBuffers* wrb = &g_MainWindowRenderBuffers; + if (wrb->FrameRenderBuffers == NULL) + { + wrb->Index = 0; + wrb->Count = v->ImageCount; + wrb->FrameRenderBuffers = (ImGui_ImplVulkanH_FrameRenderBuffers*)IM_ALLOC(sizeof(ImGui_ImplVulkanH_FrameRenderBuffers) * wrb->Count); + memset(wrb->FrameRenderBuffers, 0, sizeof(ImGui_ImplVulkanH_FrameRenderBuffers) * wrb->Count); + } + IM_ASSERT(wrb->Count == v->ImageCount); + wrb->Index = (wrb->Index + 1) % wrb->Count; + ImGui_ImplVulkanH_FrameRenderBuffers* rb = &wrb->FrameRenderBuffers[wrb->Index]; + + VkResult err; + + // Create or resize the vertex/index buffers + size_t vertex_size = draw_data->TotalVtxCount * sizeof(ImDrawVert); + size_t index_size = draw_data->TotalIdxCount * sizeof(ImDrawIdx); + if (rb->VertexBuffer == VK_NULL_HANDLE || rb->VertexBufferSize < vertex_size) + CreateOrResizeBuffer(rb->VertexBuffer, rb->VertexBufferMemory, rb->VertexBufferSize, vertex_size, VK_BUFFER_USAGE_VERTEX_BUFFER_BIT); + if (rb->IndexBuffer == VK_NULL_HANDLE || rb->IndexBufferSize < index_size) + CreateOrResizeBuffer(rb->IndexBuffer, rb->IndexBufferMemory, rb->IndexBufferSize, index_size, VK_BUFFER_USAGE_INDEX_BUFFER_BIT); + + // Upload vertex/index data into a single contiguous GPU buffer + { + ImDrawVert* vtx_dst = NULL; + ImDrawIdx* idx_dst = NULL; + err = vkMapMemory(v->Device, rb->VertexBufferMemory, 0, vertex_size, 0, (void**)(&vtx_dst)); + check_vk_result(err); + err = vkMapMemory(v->Device, rb->IndexBufferMemory, 0, index_size, 0, (void**)(&idx_dst)); + check_vk_result(err); + for (int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + memcpy(vtx_dst, cmd_list->VtxBuffer.Data, cmd_list->VtxBuffer.Size * sizeof(ImDrawVert)); + memcpy(idx_dst, cmd_list->IdxBuffer.Data, cmd_list->IdxBuffer.Size * sizeof(ImDrawIdx)); + vtx_dst += cmd_list->VtxBuffer.Size; + idx_dst += cmd_list->IdxBuffer.Size; + } + VkMappedMemoryRange range[2] = {}; + range[0].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; + range[0].memory = rb->VertexBufferMemory; + range[0].size = VK_WHOLE_SIZE; + range[1].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; + range[1].memory = rb->IndexBufferMemory; + range[1].size = VK_WHOLE_SIZE; + err = vkFlushMappedMemoryRanges(v->Device, 2, range); + check_vk_result(err); + vkUnmapMemory(v->Device, rb->VertexBufferMemory); + vkUnmapMemory(v->Device, rb->IndexBufferMemory); + } + + // Setup desired Vulkan state + ImGui_ImplVulkan_SetupRenderState(draw_data, command_buffer, rb, fb_width, fb_height); + + // Will project scissor/clipping rectangles into framebuffer space + ImVec2 clip_off = draw_data->DisplayPos; // (0,0) unless using multi-viewports + ImVec2 clip_scale = draw_data->FramebufferScale; // (1,1) unless using retina display which are often (2,2) + + // Render command lists + // (Because we merged all buffers into a single one, we maintain our own offset into them) + int global_vtx_offset = 0; + int global_idx_offset = 0; + for (int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) + { + const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; + if (pcmd->UserCallback != NULL) + { + // User callback, registered via ImDrawList::AddCallback() + // (ImDrawCallback_ResetRenderState is a special callback value used by the user to request the renderer to reset render state.) + if (pcmd->UserCallback == ImDrawCallback_ResetRenderState) + ImGui_ImplVulkan_SetupRenderState(draw_data, command_buffer, rb, fb_width, fb_height); + else + pcmd->UserCallback(cmd_list, pcmd); + } + else + { + // Project scissor/clipping rectangles into framebuffer space + ImVec4 clip_rect; + clip_rect.x = (pcmd->ClipRect.x - clip_off.x) * clip_scale.x; + clip_rect.y = (pcmd->ClipRect.y - clip_off.y) * clip_scale.y; + clip_rect.z = (pcmd->ClipRect.z - clip_off.x) * clip_scale.x; + clip_rect.w = (pcmd->ClipRect.w - clip_off.y) * clip_scale.y; + + if (clip_rect.x < fb_width && clip_rect.y < fb_height && clip_rect.z >= 0.0f && clip_rect.w >= 0.0f) + { + // Negative offsets are illegal for vkCmdSetScissor + if (clip_rect.x < 0.0f) + clip_rect.x = 0.0f; + if (clip_rect.y < 0.0f) + clip_rect.y = 0.0f; + + // Apply scissor/clipping rectangle + VkRect2D scissor; + scissor.offset.x = (int32_t)(clip_rect.x); + scissor.offset.y = (int32_t)(clip_rect.y); + scissor.extent.width = (uint32_t)(clip_rect.z - clip_rect.x); + scissor.extent.height = (uint32_t)(clip_rect.w - clip_rect.y); + vkCmdSetScissor(command_buffer, 0, 1, &scissor); + + // Draw + vkCmdDrawIndexed(command_buffer, pcmd->ElemCount, 1, pcmd->IdxOffset + global_idx_offset, pcmd->VtxOffset + global_vtx_offset, 0); + } + } + } + global_idx_offset += cmd_list->IdxBuffer.Size; + global_vtx_offset += cmd_list->VtxBuffer.Size; + } +} + +bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer) +{ + ImGui_ImplVulkan_InitInfo* v = &g_VulkanInitInfo; + ImGuiIO& io = ImGui::GetIO(); + + unsigned char* pixels; + int width, height; + io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); + size_t upload_size = width*height*4*sizeof(char); + + VkResult err; + + // Create the Image: + { + VkImageCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO; + info.imageType = VK_IMAGE_TYPE_2D; + info.format = VK_FORMAT_R8G8B8A8_UNORM; + info.extent.width = width; + info.extent.height = height; + info.extent.depth = 1; + info.mipLevels = 1; + info.arrayLayers = 1; + info.samples = VK_SAMPLE_COUNT_1_BIT; + info.tiling = VK_IMAGE_TILING_OPTIMAL; + info.usage = VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT; + info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; + info.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED; + err = vkCreateImage(v->Device, &info, v->Allocator, &g_FontImage); + check_vk_result(err); + VkMemoryRequirements req; + vkGetImageMemoryRequirements(v->Device, g_FontImage, &req); + VkMemoryAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; + alloc_info.allocationSize = req.size; + alloc_info.memoryTypeIndex = ImGui_ImplVulkan_MemoryType(VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, req.memoryTypeBits); + err = vkAllocateMemory(v->Device, &alloc_info, v->Allocator, &g_FontMemory); + check_vk_result(err); + err = vkBindImageMemory(v->Device, g_FontImage, g_FontMemory, 0); + check_vk_result(err); + } + + // Create the Image View: + { + VkImageViewCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO; + info.image = g_FontImage; + info.viewType = VK_IMAGE_VIEW_TYPE_2D; + info.format = VK_FORMAT_R8G8B8A8_UNORM; + info.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + info.subresourceRange.levelCount = 1; + info.subresourceRange.layerCount = 1; + err = vkCreateImageView(v->Device, &info, v->Allocator, &g_FontView); + check_vk_result(err); + } + + // Update the Descriptor Set: + { + VkDescriptorImageInfo desc_image[1] = {}; + desc_image[0].sampler = g_FontSampler; + desc_image[0].imageView = g_FontView; + desc_image[0].imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; + VkWriteDescriptorSet write_desc[1] = {}; + write_desc[0].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET; + write_desc[0].dstSet = g_DescriptorSet; + write_desc[0].descriptorCount = 1; + write_desc[0].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; + write_desc[0].pImageInfo = desc_image; + vkUpdateDescriptorSets(v->Device, 1, write_desc, 0, NULL); + } + + // Create the Upload Buffer: + { + VkBufferCreateInfo buffer_info = {}; + buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; + buffer_info.size = upload_size; + buffer_info.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT; + buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; + err = vkCreateBuffer(v->Device, &buffer_info, v->Allocator, &g_UploadBuffer); + check_vk_result(err); + VkMemoryRequirements req; + vkGetBufferMemoryRequirements(v->Device, g_UploadBuffer, &req); + g_BufferMemoryAlignment = (g_BufferMemoryAlignment > req.alignment) ? g_BufferMemoryAlignment : req.alignment; + VkMemoryAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; + alloc_info.allocationSize = req.size; + alloc_info.memoryTypeIndex = ImGui_ImplVulkan_MemoryType(VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, req.memoryTypeBits); + err = vkAllocateMemory(v->Device, &alloc_info, v->Allocator, &g_UploadBufferMemory); + check_vk_result(err); + err = vkBindBufferMemory(v->Device, g_UploadBuffer, g_UploadBufferMemory, 0); + check_vk_result(err); + } + + // Upload to Buffer: + { + char* map = NULL; + err = vkMapMemory(v->Device, g_UploadBufferMemory, 0, upload_size, 0, (void**)(&map)); + check_vk_result(err); + memcpy(map, pixels, upload_size); + VkMappedMemoryRange range[1] = {}; + range[0].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; + range[0].memory = g_UploadBufferMemory; + range[0].size = upload_size; + err = vkFlushMappedMemoryRanges(v->Device, 1, range); + check_vk_result(err); + vkUnmapMemory(v->Device, g_UploadBufferMemory); + } + + // Copy to Image: + { + VkImageMemoryBarrier copy_barrier[1] = {}; + copy_barrier[0].sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; + copy_barrier[0].dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT; + copy_barrier[0].oldLayout = VK_IMAGE_LAYOUT_UNDEFINED; + copy_barrier[0].newLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL; + copy_barrier[0].srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + copy_barrier[0].dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + copy_barrier[0].image = g_FontImage; + copy_barrier[0].subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + copy_barrier[0].subresourceRange.levelCount = 1; + copy_barrier[0].subresourceRange.layerCount = 1; + vkCmdPipelineBarrier(command_buffer, VK_PIPELINE_STAGE_HOST_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, 0, 0, NULL, 0, NULL, 1, copy_barrier); + + VkBufferImageCopy region = {}; + region.imageSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + region.imageSubresource.layerCount = 1; + region.imageExtent.width = width; + region.imageExtent.height = height; + region.imageExtent.depth = 1; + vkCmdCopyBufferToImage(command_buffer, g_UploadBuffer, g_FontImage, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, ®ion); + + VkImageMemoryBarrier use_barrier[1] = {}; + use_barrier[0].sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; + use_barrier[0].srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT; + use_barrier[0].dstAccessMask = VK_ACCESS_SHADER_READ_BIT; + use_barrier[0].oldLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL; + use_barrier[0].newLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; + use_barrier[0].srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + use_barrier[0].dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; + use_barrier[0].image = g_FontImage; + use_barrier[0].subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; + use_barrier[0].subresourceRange.levelCount = 1; + use_barrier[0].subresourceRange.layerCount = 1; + vkCmdPipelineBarrier(command_buffer, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, 0, 0, NULL, 0, NULL, 1, use_barrier); + } + + // Store our identifier + io.Fonts->TexID = (ImTextureID)(intptr_t)g_FontImage; + + return true; +} + +bool ImGui_ImplVulkan_CreateDeviceObjects() +{ + ImGui_ImplVulkan_InitInfo* v = &g_VulkanInitInfo; + VkResult err; + VkShaderModule vert_module; + VkShaderModule frag_module; + + // Create The Shader Modules: + { + VkShaderModuleCreateInfo vert_info = {}; + vert_info.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO; + vert_info.codeSize = sizeof(__glsl_shader_vert_spv); + vert_info.pCode = (uint32_t*)__glsl_shader_vert_spv; + err = vkCreateShaderModule(v->Device, &vert_info, v->Allocator, &vert_module); + check_vk_result(err); + VkShaderModuleCreateInfo frag_info = {}; + frag_info.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO; + frag_info.codeSize = sizeof(__glsl_shader_frag_spv); + frag_info.pCode = (uint32_t*)__glsl_shader_frag_spv; + err = vkCreateShaderModule(v->Device, &frag_info, v->Allocator, &frag_module); + check_vk_result(err); + } + + if (!g_FontSampler) + { + VkSamplerCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO; + info.magFilter = VK_FILTER_LINEAR; + info.minFilter = VK_FILTER_LINEAR; + info.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR; + info.addressModeU = VK_SAMPLER_ADDRESS_MODE_REPEAT; + info.addressModeV = VK_SAMPLER_ADDRESS_MODE_REPEAT; + info.addressModeW = VK_SAMPLER_ADDRESS_MODE_REPEAT; + info.minLod = -1000; + info.maxLod = 1000; + info.maxAnisotropy = 1.0f; + err = vkCreateSampler(v->Device, &info, v->Allocator, &g_FontSampler); + check_vk_result(err); + } + + if (!g_DescriptorSetLayout) + { + VkSampler sampler[1] = {g_FontSampler}; + VkDescriptorSetLayoutBinding binding[1] = {}; + binding[0].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; + binding[0].descriptorCount = 1; + binding[0].stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT; + binding[0].pImmutableSamplers = sampler; + VkDescriptorSetLayoutCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO; + info.bindingCount = 1; + info.pBindings = binding; + err = vkCreateDescriptorSetLayout(v->Device, &info, v->Allocator, &g_DescriptorSetLayout); + check_vk_result(err); + } + + // Create Descriptor Set: + { + VkDescriptorSetAllocateInfo alloc_info = {}; + alloc_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO; + alloc_info.descriptorPool = v->DescriptorPool; + alloc_info.descriptorSetCount = 1; + alloc_info.pSetLayouts = &g_DescriptorSetLayout; + err = vkAllocateDescriptorSets(v->Device, &alloc_info, &g_DescriptorSet); + check_vk_result(err); + } + + if (!g_PipelineLayout) + { + // Constants: we are using 'vec2 offset' and 'vec2 scale' instead of a full 3d projection matrix + VkPushConstantRange push_constants[1] = {}; + push_constants[0].stageFlags = VK_SHADER_STAGE_VERTEX_BIT; + push_constants[0].offset = sizeof(float) * 0; + push_constants[0].size = sizeof(float) * 4; + VkDescriptorSetLayout set_layout[1] = { g_DescriptorSetLayout }; + VkPipelineLayoutCreateInfo layout_info = {}; + layout_info.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO; + layout_info.setLayoutCount = 1; + layout_info.pSetLayouts = set_layout; + layout_info.pushConstantRangeCount = 1; + layout_info.pPushConstantRanges = push_constants; + err = vkCreatePipelineLayout(v->Device, &layout_info, v->Allocator, &g_PipelineLayout); + check_vk_result(err); + } + + VkPipelineShaderStageCreateInfo stage[2] = {}; + stage[0].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO; + stage[0].stage = VK_SHADER_STAGE_VERTEX_BIT; + stage[0].module = vert_module; + stage[0].pName = "main"; + stage[1].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO; + stage[1].stage = VK_SHADER_STAGE_FRAGMENT_BIT; + stage[1].module = frag_module; + stage[1].pName = "main"; + + VkVertexInputBindingDescription binding_desc[1] = {}; + binding_desc[0].stride = sizeof(ImDrawVert); + binding_desc[0].inputRate = VK_VERTEX_INPUT_RATE_VERTEX; + + VkVertexInputAttributeDescription attribute_desc[3] = {}; + attribute_desc[0].location = 0; + attribute_desc[0].binding = binding_desc[0].binding; + attribute_desc[0].format = VK_FORMAT_R32G32_SFLOAT; + attribute_desc[0].offset = IM_OFFSETOF(ImDrawVert, pos); + attribute_desc[1].location = 1; + attribute_desc[1].binding = binding_desc[0].binding; + attribute_desc[1].format = VK_FORMAT_R32G32_SFLOAT; + attribute_desc[1].offset = IM_OFFSETOF(ImDrawVert, uv); + attribute_desc[2].location = 2; + attribute_desc[2].binding = binding_desc[0].binding; + attribute_desc[2].format = VK_FORMAT_R8G8B8A8_UNORM; + attribute_desc[2].offset = IM_OFFSETOF(ImDrawVert, col); + + VkPipelineVertexInputStateCreateInfo vertex_info = {}; + vertex_info.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO; + vertex_info.vertexBindingDescriptionCount = 1; + vertex_info.pVertexBindingDescriptions = binding_desc; + vertex_info.vertexAttributeDescriptionCount = 3; + vertex_info.pVertexAttributeDescriptions = attribute_desc; + + VkPipelineInputAssemblyStateCreateInfo ia_info = {}; + ia_info.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO; + ia_info.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST; + + VkPipelineViewportStateCreateInfo viewport_info = {}; + viewport_info.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO; + viewport_info.viewportCount = 1; + viewport_info.scissorCount = 1; + + VkPipelineRasterizationStateCreateInfo raster_info = {}; + raster_info.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO; + raster_info.polygonMode = VK_POLYGON_MODE_FILL; + raster_info.cullMode = VK_CULL_MODE_NONE; + raster_info.frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE; + raster_info.lineWidth = 1.0f; + + VkPipelineMultisampleStateCreateInfo ms_info = {}; + ms_info.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO; + if (v->MSAASamples != 0) + ms_info.rasterizationSamples = v->MSAASamples; + else + ms_info.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT; + + VkPipelineColorBlendAttachmentState color_attachment[1] = {}; + color_attachment[0].blendEnable = VK_TRUE; + color_attachment[0].srcColorBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA; + color_attachment[0].dstColorBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA; + color_attachment[0].colorBlendOp = VK_BLEND_OP_ADD; + color_attachment[0].srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA; + color_attachment[0].dstAlphaBlendFactor = VK_BLEND_FACTOR_ZERO; + color_attachment[0].alphaBlendOp = VK_BLEND_OP_ADD; + color_attachment[0].colorWriteMask = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT; + + VkPipelineDepthStencilStateCreateInfo depth_info = {}; + depth_info.sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO; + + VkPipelineColorBlendStateCreateInfo blend_info = {}; + blend_info.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO; + blend_info.attachmentCount = 1; + blend_info.pAttachments = color_attachment; + + VkDynamicState dynamic_states[2] = { VK_DYNAMIC_STATE_VIEWPORT, VK_DYNAMIC_STATE_SCISSOR }; + VkPipelineDynamicStateCreateInfo dynamic_state = {}; + dynamic_state.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO; + dynamic_state.dynamicStateCount = (uint32_t)IM_ARRAYSIZE(dynamic_states); + dynamic_state.pDynamicStates = dynamic_states; + + VkGraphicsPipelineCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO; + info.flags = g_PipelineCreateFlags; + info.stageCount = 2; + info.pStages = stage; + info.pVertexInputState = &vertex_info; + info.pInputAssemblyState = &ia_info; + info.pViewportState = &viewport_info; + info.pRasterizationState = &raster_info; + info.pMultisampleState = &ms_info; + info.pDepthStencilState = &depth_info; + info.pColorBlendState = &blend_info; + info.pDynamicState = &dynamic_state; + info.layout = g_PipelineLayout; + info.renderPass = g_RenderPass; + err = vkCreateGraphicsPipelines(v->Device, v->PipelineCache, 1, &info, v->Allocator, &g_Pipeline); + check_vk_result(err); + + vkDestroyShaderModule(v->Device, vert_module, v->Allocator); + vkDestroyShaderModule(v->Device, frag_module, v->Allocator); + + return true; +} + +void ImGui_ImplVulkan_DestroyFontUploadObjects() +{ + ImGui_ImplVulkan_InitInfo* v = &g_VulkanInitInfo; + if (g_UploadBuffer) + { + vkDestroyBuffer(v->Device, g_UploadBuffer, v->Allocator); + g_UploadBuffer = VK_NULL_HANDLE; + } + if (g_UploadBufferMemory) + { + vkFreeMemory(v->Device, g_UploadBufferMemory, v->Allocator); + g_UploadBufferMemory = VK_NULL_HANDLE; + } +} + +void ImGui_ImplVulkan_DestroyDeviceObjects() +{ + ImGui_ImplVulkan_InitInfo* v = &g_VulkanInitInfo; + ImGui_ImplVulkanH_DestroyWindowRenderBuffers(v->Device, &g_MainWindowRenderBuffers, v->Allocator); + ImGui_ImplVulkan_DestroyFontUploadObjects(); + + if (g_FontView) { vkDestroyImageView(v->Device, g_FontView, v->Allocator); g_FontView = VK_NULL_HANDLE; } + if (g_FontImage) { vkDestroyImage(v->Device, g_FontImage, v->Allocator); g_FontImage = VK_NULL_HANDLE; } + if (g_FontMemory) { vkFreeMemory(v->Device, g_FontMemory, v->Allocator); g_FontMemory = VK_NULL_HANDLE; } + if (g_FontSampler) { vkDestroySampler(v->Device, g_FontSampler, v->Allocator); g_FontSampler = VK_NULL_HANDLE; } + if (g_DescriptorSetLayout) { vkDestroyDescriptorSetLayout(v->Device, g_DescriptorSetLayout, v->Allocator); g_DescriptorSetLayout = VK_NULL_HANDLE; } + if (g_PipelineLayout) { vkDestroyPipelineLayout(v->Device, g_PipelineLayout, v->Allocator); g_PipelineLayout = VK_NULL_HANDLE; } + if (g_Pipeline) { vkDestroyPipeline(v->Device, g_Pipeline, v->Allocator); g_Pipeline = VK_NULL_HANDLE; } +} + +bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass render_pass) +{ + // Setup back-end capabilities flags + ImGuiIO& io = ImGui::GetIO(); + io.BackendRendererName = "imgui_impl_vulkan"; + io.BackendFlags |= ImGuiBackendFlags_RendererHasVtxOffset; // We can honor the ImDrawCmd::VtxOffset field, allowing for large meshes. + + IM_ASSERT(info->Instance != VK_NULL_HANDLE); + IM_ASSERT(info->PhysicalDevice != VK_NULL_HANDLE); + IM_ASSERT(info->Device != VK_NULL_HANDLE); + IM_ASSERT(info->Queue != VK_NULL_HANDLE); + IM_ASSERT(info->DescriptorPool != VK_NULL_HANDLE); + IM_ASSERT(info->MinImageCount >= 2); + IM_ASSERT(info->ImageCount >= info->MinImageCount); + IM_ASSERT(render_pass != VK_NULL_HANDLE); + + g_VulkanInitInfo = *info; + g_RenderPass = render_pass; + ImGui_ImplVulkan_CreateDeviceObjects(); + + return true; +} + +void ImGui_ImplVulkan_Shutdown() +{ + ImGui_ImplVulkan_DestroyDeviceObjects(); +} + +void ImGui_ImplVulkan_NewFrame() +{ +} + +void ImGui_ImplVulkan_SetMinImageCount(uint32_t min_image_count) +{ + IM_ASSERT(min_image_count >= 2); + if (g_VulkanInitInfo.MinImageCount == min_image_count) + return; + + ImGui_ImplVulkan_InitInfo* v = &g_VulkanInitInfo; + VkResult err = vkDeviceWaitIdle(v->Device); + check_vk_result(err); + ImGui_ImplVulkanH_DestroyWindowRenderBuffers(v->Device, &g_MainWindowRenderBuffers, v->Allocator); + g_VulkanInitInfo.MinImageCount = min_image_count; +} + + +//------------------------------------------------------------------------- +// Internal / Miscellaneous Vulkan Helpers +// (Used by example's main.cpp. Used by multi-viewport features. PROBABLY NOT used by your own app.) +//------------------------------------------------------------------------- +// You probably do NOT need to use or care about those functions. +// Those functions only exist because: +// 1) they facilitate the readability and maintenance of the multiple main.cpp examples files. +// 2) the upcoming multi-viewport feature will need them internally. +// Generally we avoid exposing any kind of superfluous high-level helpers in the bindings, +// but it is too much code to duplicate everywhere so we exceptionally expose them. +// +// Your engine/app will likely _already_ have code to setup all that stuff (swap chain, render pass, frame buffers, etc.). +// You may read this code to learn about Vulkan, but it is recommended you use you own custom tailored code to do equivalent work. +// (The ImGui_ImplVulkanH_XXX functions do not interact with any of the state used by the regular ImGui_ImplVulkan_XXX functions) +//------------------------------------------------------------------------- + +VkSurfaceFormatKHR ImGui_ImplVulkanH_SelectSurfaceFormat(VkPhysicalDevice physical_device, VkSurfaceKHR surface, const VkFormat* request_formats, int request_formats_count, VkColorSpaceKHR request_color_space) +{ + IM_ASSERT(request_formats != NULL); + IM_ASSERT(request_formats_count > 0); + + // Per Spec Format and View Format are expected to be the same unless VK_IMAGE_CREATE_MUTABLE_BIT was set at image creation + // Assuming that the default behavior is without setting this bit, there is no need for separate Swapchain image and image view format + // Additionally several new color spaces were introduced with Vulkan Spec v1.0.40, + // hence we must make sure that a format with the mostly available color space, VK_COLOR_SPACE_SRGB_NONLINEAR_KHR, is found and used. + uint32_t avail_count; + vkGetPhysicalDeviceSurfaceFormatsKHR(physical_device, surface, &avail_count, NULL); + ImVector avail_format; + avail_format.resize((int)avail_count); + vkGetPhysicalDeviceSurfaceFormatsKHR(physical_device, surface, &avail_count, avail_format.Data); + + // First check if only one format, VK_FORMAT_UNDEFINED, is available, which would imply that any format is available + if (avail_count == 1) + { + if (avail_format[0].format == VK_FORMAT_UNDEFINED) + { + VkSurfaceFormatKHR ret; + ret.format = request_formats[0]; + ret.colorSpace = request_color_space; + return ret; + } + else + { + // No point in searching another format + return avail_format[0]; + } + } + else + { + // Request several formats, the first found will be used + for (int request_i = 0; request_i < request_formats_count; request_i++) + for (uint32_t avail_i = 0; avail_i < avail_count; avail_i++) + if (avail_format[avail_i].format == request_formats[request_i] && avail_format[avail_i].colorSpace == request_color_space) + return avail_format[avail_i]; + + // If none of the requested image formats could be found, use the first available + return avail_format[0]; + } +} + +VkPresentModeKHR ImGui_ImplVulkanH_SelectPresentMode(VkPhysicalDevice physical_device, VkSurfaceKHR surface, const VkPresentModeKHR* request_modes, int request_modes_count) +{ + IM_ASSERT(request_modes != NULL); + IM_ASSERT(request_modes_count > 0); + + // Request a certain mode and confirm that it is available. If not use VK_PRESENT_MODE_FIFO_KHR which is mandatory + uint32_t avail_count = 0; + vkGetPhysicalDeviceSurfacePresentModesKHR(physical_device, surface, &avail_count, NULL); + ImVector avail_modes; + avail_modes.resize((int)avail_count); + vkGetPhysicalDeviceSurfacePresentModesKHR(physical_device, surface, &avail_count, avail_modes.Data); + //for (uint32_t avail_i = 0; avail_i < avail_count; avail_i++) + // printf("[vulkan] avail_modes[%d] = %d\n", avail_i, avail_modes[avail_i]); + + for (int request_i = 0; request_i < request_modes_count; request_i++) + for (uint32_t avail_i = 0; avail_i < avail_count; avail_i++) + if (request_modes[request_i] == avail_modes[avail_i]) + return request_modes[request_i]; + + return VK_PRESENT_MODE_FIFO_KHR; // Always available +} + +void ImGui_ImplVulkanH_CreateWindowCommandBuffers(VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_Window* wd, uint32_t queue_family, const VkAllocationCallbacks* allocator) +{ + IM_ASSERT(physical_device != VK_NULL_HANDLE && device != VK_NULL_HANDLE); + (void)physical_device; + (void)allocator; + + // Create Command Buffers + VkResult err; + for (uint32_t i = 0; i < wd->ImageCount; i++) + { + ImGui_ImplVulkanH_Frame* fd = &wd->Frames[i]; + ImGui_ImplVulkanH_FrameSemaphores* fsd = &wd->FrameSemaphores[i]; + { + VkCommandPoolCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO; + info.flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT; + info.queueFamilyIndex = queue_family; + err = vkCreateCommandPool(device, &info, allocator, &fd->CommandPool); + check_vk_result(err); + } + { + VkCommandBufferAllocateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO; + info.commandPool = fd->CommandPool; + info.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY; + info.commandBufferCount = 1; + err = vkAllocateCommandBuffers(device, &info, &fd->CommandBuffer); + check_vk_result(err); + } + { + VkFenceCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO; + info.flags = VK_FENCE_CREATE_SIGNALED_BIT; + err = vkCreateFence(device, &info, allocator, &fd->Fence); + check_vk_result(err); + } + { + VkSemaphoreCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO; + err = vkCreateSemaphore(device, &info, allocator, &fsd->ImageAcquiredSemaphore); + check_vk_result(err); + err = vkCreateSemaphore(device, &info, allocator, &fsd->RenderCompleteSemaphore); + check_vk_result(err); + } + } +} + +int ImGui_ImplVulkanH_GetMinImageCountFromPresentMode(VkPresentModeKHR present_mode) +{ + if (present_mode == VK_PRESENT_MODE_MAILBOX_KHR) + return 3; + if (present_mode == VK_PRESENT_MODE_FIFO_KHR || present_mode == VK_PRESENT_MODE_FIFO_RELAXED_KHR) + return 2; + if (present_mode == VK_PRESENT_MODE_IMMEDIATE_KHR) + return 1; + IM_ASSERT(0); + return 1; +} + +// Also destroy old swap chain and in-flight frames data, if any. +void ImGui_ImplVulkanH_CreateWindowSwapChain(VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_Window* wd, const VkAllocationCallbacks* allocator, int w, int h, uint32_t min_image_count) +{ + VkResult err; + VkSwapchainKHR old_swapchain = wd->Swapchain; + err = vkDeviceWaitIdle(device); + check_vk_result(err); + + // We don't use ImGui_ImplVulkanH_DestroyWindow() because we want to preserve the old swapchain to create the new one. + // Destroy old Framebuffer + for (uint32_t i = 0; i < wd->ImageCount; i++) + { + ImGui_ImplVulkanH_DestroyFrame(device, &wd->Frames[i], allocator); + ImGui_ImplVulkanH_DestroyFrameSemaphores(device, &wd->FrameSemaphores[i], allocator); + } + IM_FREE(wd->Frames); + IM_FREE(wd->FrameSemaphores); + wd->Frames = NULL; + wd->FrameSemaphores = NULL; + wd->ImageCount = 0; + if (wd->RenderPass) + vkDestroyRenderPass(device, wd->RenderPass, allocator); + + // If min image count was not specified, request different count of images dependent on selected present mode + if (min_image_count == 0) + min_image_count = ImGui_ImplVulkanH_GetMinImageCountFromPresentMode(wd->PresentMode); + + // Create Swapchain + { + VkSwapchainCreateInfoKHR info = {}; + info.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR; + info.surface = wd->Surface; + info.minImageCount = min_image_count; + info.imageFormat = wd->SurfaceFormat.format; + info.imageColorSpace = wd->SurfaceFormat.colorSpace; + info.imageArrayLayers = 1; + info.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT; + info.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE; // Assume that graphics family == present family + info.preTransform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR; + info.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR; + info.presentMode = wd->PresentMode; + info.clipped = VK_TRUE; + info.oldSwapchain = old_swapchain; + VkSurfaceCapabilitiesKHR cap; + err = vkGetPhysicalDeviceSurfaceCapabilitiesKHR(physical_device, wd->Surface, &cap); + check_vk_result(err); + if (info.minImageCount < cap.minImageCount) + info.minImageCount = cap.minImageCount; + else if (cap.maxImageCount != 0 && info.minImageCount > cap.maxImageCount) + info.minImageCount = cap.maxImageCount; + + if (cap.currentExtent.width == 0xffffffff) + { + info.imageExtent.width = wd->Width = w; + info.imageExtent.height = wd->Height = h; + } + else + { + info.imageExtent.width = wd->Width = cap.currentExtent.width; + info.imageExtent.height = wd->Height = cap.currentExtent.height; + } + err = vkCreateSwapchainKHR(device, &info, allocator, &wd->Swapchain); + check_vk_result(err); + err = vkGetSwapchainImagesKHR(device, wd->Swapchain, &wd->ImageCount, NULL); + check_vk_result(err); + VkImage backbuffers[16] = {}; + IM_ASSERT(wd->ImageCount >= min_image_count); + IM_ASSERT(wd->ImageCount < IM_ARRAYSIZE(backbuffers)); + err = vkGetSwapchainImagesKHR(device, wd->Swapchain, &wd->ImageCount, backbuffers); + check_vk_result(err); + + IM_ASSERT(wd->Frames == NULL); + wd->Frames = (ImGui_ImplVulkanH_Frame*)IM_ALLOC(sizeof(ImGui_ImplVulkanH_Frame) * wd->ImageCount); + wd->FrameSemaphores = (ImGui_ImplVulkanH_FrameSemaphores*)IM_ALLOC(sizeof(ImGui_ImplVulkanH_FrameSemaphores) * wd->ImageCount); + memset(wd->Frames, 0, sizeof(wd->Frames[0]) * wd->ImageCount); + memset(wd->FrameSemaphores, 0, sizeof(wd->FrameSemaphores[0]) * wd->ImageCount); + for (uint32_t i = 0; i < wd->ImageCount; i++) + wd->Frames[i].Backbuffer = backbuffers[i]; + } + if (old_swapchain) + vkDestroySwapchainKHR(device, old_swapchain, allocator); + + // Create the Render Pass + { + VkAttachmentDescription attachment = {}; + attachment.format = wd->SurfaceFormat.format; + attachment.samples = VK_SAMPLE_COUNT_1_BIT; + attachment.loadOp = wd->ClearEnable ? VK_ATTACHMENT_LOAD_OP_CLEAR : VK_ATTACHMENT_LOAD_OP_DONT_CARE; + attachment.storeOp = VK_ATTACHMENT_STORE_OP_STORE; + attachment.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE; + attachment.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE; + attachment.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED; + attachment.finalLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR; + VkAttachmentReference color_attachment = {}; + color_attachment.attachment = 0; + color_attachment.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL; + VkSubpassDescription subpass = {}; + subpass.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS; + subpass.colorAttachmentCount = 1; + subpass.pColorAttachments = &color_attachment; + VkSubpassDependency dependency = {}; + dependency.srcSubpass = VK_SUBPASS_EXTERNAL; + dependency.dstSubpass = 0; + dependency.srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT; + dependency.dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT; + dependency.srcAccessMask = 0; + dependency.dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT; + VkRenderPassCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO; + info.attachmentCount = 1; + info.pAttachments = &attachment; + info.subpassCount = 1; + info.pSubpasses = &subpass; + info.dependencyCount = 1; + info.pDependencies = &dependency; + err = vkCreateRenderPass(device, &info, allocator, &wd->RenderPass); + check_vk_result(err); + } + + // Create The Image Views + { + VkImageViewCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO; + info.viewType = VK_IMAGE_VIEW_TYPE_2D; + info.format = wd->SurfaceFormat.format; + info.components.r = VK_COMPONENT_SWIZZLE_R; + info.components.g = VK_COMPONENT_SWIZZLE_G; + info.components.b = VK_COMPONENT_SWIZZLE_B; + info.components.a = VK_COMPONENT_SWIZZLE_A; + VkImageSubresourceRange image_range = { VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1 }; + info.subresourceRange = image_range; + for (uint32_t i = 0; i < wd->ImageCount; i++) + { + ImGui_ImplVulkanH_Frame* fd = &wd->Frames[i]; + info.image = fd->Backbuffer; + err = vkCreateImageView(device, &info, allocator, &fd->BackbufferView); + check_vk_result(err); + } + } + + // Create Framebuffer + { + VkImageView attachment[1]; + VkFramebufferCreateInfo info = {}; + info.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO; + info.renderPass = wd->RenderPass; + info.attachmentCount = 1; + info.pAttachments = attachment; + info.width = wd->Width; + info.height = wd->Height; + info.layers = 1; + for (uint32_t i = 0; i < wd->ImageCount; i++) + { + ImGui_ImplVulkanH_Frame* fd = &wd->Frames[i]; + attachment[0] = fd->BackbufferView; + err = vkCreateFramebuffer(device, &info, allocator, &fd->Framebuffer); + check_vk_result(err); + } + } +} + +void ImGui_ImplVulkanH_CreateWindow(VkInstance instance, VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_Window* wd, uint32_t queue_family, const VkAllocationCallbacks* allocator, int width, int height, uint32_t min_image_count) +{ + (void)instance; + ImGui_ImplVulkanH_CreateWindowSwapChain(physical_device, device, wd, allocator, width, height, min_image_count); + ImGui_ImplVulkanH_CreateWindowCommandBuffers(physical_device, device, wd, queue_family, allocator); +} + +void ImGui_ImplVulkanH_DestroyWindow(VkInstance instance, VkDevice device, ImGui_ImplVulkanH_Window* wd, const VkAllocationCallbacks* allocator) +{ + vkDeviceWaitIdle(device); // FIXME: We could wait on the Queue if we had the queue in wd-> (otherwise VulkanH functions can't use globals) + //vkQueueWaitIdle(g_Queue); + + for (uint32_t i = 0; i < wd->ImageCount; i++) + { + ImGui_ImplVulkanH_DestroyFrame(device, &wd->Frames[i], allocator); + ImGui_ImplVulkanH_DestroyFrameSemaphores(device, &wd->FrameSemaphores[i], allocator); + } + IM_FREE(wd->Frames); + IM_FREE(wd->FrameSemaphores); + wd->Frames = NULL; + wd->FrameSemaphores = NULL; + vkDestroyRenderPass(device, wd->RenderPass, allocator); + vkDestroySwapchainKHR(device, wd->Swapchain, allocator); + vkDestroySurfaceKHR(instance, wd->Surface, allocator); + + *wd = ImGui_ImplVulkanH_Window(); +} + +void ImGui_ImplVulkanH_DestroyFrame(VkDevice device, ImGui_ImplVulkanH_Frame* fd, const VkAllocationCallbacks* allocator) +{ + vkDestroyFence(device, fd->Fence, allocator); + vkFreeCommandBuffers(device, fd->CommandPool, 1, &fd->CommandBuffer); + vkDestroyCommandPool(device, fd->CommandPool, allocator); + fd->Fence = VK_NULL_HANDLE; + fd->CommandBuffer = VK_NULL_HANDLE; + fd->CommandPool = VK_NULL_HANDLE; + + vkDestroyImageView(device, fd->BackbufferView, allocator); + vkDestroyFramebuffer(device, fd->Framebuffer, allocator); +} + +void ImGui_ImplVulkanH_DestroyFrameSemaphores(VkDevice device, ImGui_ImplVulkanH_FrameSemaphores* fsd, const VkAllocationCallbacks* allocator) +{ + vkDestroySemaphore(device, fsd->ImageAcquiredSemaphore, allocator); + vkDestroySemaphore(device, fsd->RenderCompleteSemaphore, allocator); + fsd->ImageAcquiredSemaphore = fsd->RenderCompleteSemaphore = VK_NULL_HANDLE; +} + +void ImGui_ImplVulkanH_DestroyFrameRenderBuffers(VkDevice device, ImGui_ImplVulkanH_FrameRenderBuffers* buffers, const VkAllocationCallbacks* allocator) +{ + if (buffers->VertexBuffer) { vkDestroyBuffer(device, buffers->VertexBuffer, allocator); buffers->VertexBuffer = VK_NULL_HANDLE; } + if (buffers->VertexBufferMemory) { vkFreeMemory(device, buffers->VertexBufferMemory, allocator); buffers->VertexBufferMemory = VK_NULL_HANDLE; } + if (buffers->IndexBuffer) { vkDestroyBuffer(device, buffers->IndexBuffer, allocator); buffers->IndexBuffer = VK_NULL_HANDLE; } + if (buffers->IndexBufferMemory) { vkFreeMemory(device, buffers->IndexBufferMemory, allocator); buffers->IndexBufferMemory = VK_NULL_HANDLE; } + buffers->VertexBufferSize = 0; + buffers->IndexBufferSize = 0; +} + +void ImGui_ImplVulkanH_DestroyWindowRenderBuffers(VkDevice device, ImGui_ImplVulkanH_WindowRenderBuffers* buffers, const VkAllocationCallbacks* allocator) +{ + for (uint32_t n = 0; n < buffers->Count; n++) + ImGui_ImplVulkanH_DestroyFrameRenderBuffers(device, &buffers->FrameRenderBuffers[n], allocator); + IM_FREE(buffers->FrameRenderBuffers); + buffers->FrameRenderBuffers = NULL; + buffers->Index = 0; + buffers->Count = 0; +} diff --git a/imgui-submodule/imgui/examples/imgui_impl_vulkan.h b/imgui-submodule/imgui/examples/imgui_impl_vulkan.h new file mode 100644 index 0000000..a74cdb5 --- /dev/null +++ b/imgui-submodule/imgui/examples/imgui_impl_vulkan.h @@ -0,0 +1,126 @@ +// dear imgui: Renderer for Vulkan +// This needs to be used along with a Platform Binding (e.g. GLFW, SDL, Win32, custom..) + +// Implemented features: +// [X] Renderer: Support for large meshes (64k+ vertices) with 16-bit indices. +// Missing features: +// [ ] Renderer: User texture binding. Changes of ImTextureID aren't supported by this binding! See https://github.com/ocornut/imgui/pull/914 + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +// The aim of imgui_impl_vulkan.h/.cpp is to be usable in your engine without any modification. +// IF YOU FEEL YOU NEED TO MAKE ANY CHANGE TO THIS CODE, please share them and your feedback at https://github.com/ocornut/imgui/ + +// Important note to the reader who wish to integrate imgui_impl_vulkan.cpp/.h in their own engine/app. +// - Common ImGui_ImplVulkan_XXX functions and structures are used to interface with imgui_impl_vulkan.cpp/.h. +// You will use those if you want to use this rendering back-end in your engine/app. +// - Helper ImGui_ImplVulkanH_XXX functions and structures are only used by this example (main.cpp) and by +// the back-end itself (imgui_impl_vulkan.cpp), but should PROBABLY NOT be used by your own engine/app code. +// Read comments in imgui_impl_vulkan.h. + +#pragma once + +#include + +// Initialization data, for ImGui_ImplVulkan_Init() +// [Please zero-clear before use!] +struct ImGui_ImplVulkan_InitInfo +{ + VkInstance Instance; + VkPhysicalDevice PhysicalDevice; + VkDevice Device; + uint32_t QueueFamily; + VkQueue Queue; + VkPipelineCache PipelineCache; + VkDescriptorPool DescriptorPool; + uint32_t MinImageCount; // >= 2 + uint32_t ImageCount; // >= MinImageCount + VkSampleCountFlagBits MSAASamples; // >= VK_SAMPLE_COUNT_1_BIT + const VkAllocationCallbacks* Allocator; + void (*CheckVkResultFn)(VkResult err); +}; + +// Called by user code +IMGUI_IMPL_API bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass render_pass); +IMGUI_IMPL_API void ImGui_ImplVulkan_Shutdown(); +IMGUI_IMPL_API void ImGui_ImplVulkan_NewFrame(); +IMGUI_IMPL_API void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer command_buffer); +IMGUI_IMPL_API bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer); +IMGUI_IMPL_API void ImGui_ImplVulkan_DestroyFontUploadObjects(); +IMGUI_IMPL_API void ImGui_ImplVulkan_SetMinImageCount(uint32_t min_image_count); // To override MinImageCount after initialization (e.g. if swap chain is recreated) + + +//------------------------------------------------------------------------- +// Internal / Miscellaneous Vulkan Helpers +// (Used by example's main.cpp. Used by multi-viewport features. PROBABLY NOT used by your own engine/app.) +//------------------------------------------------------------------------- +// You probably do NOT need to use or care about those functions. +// Those functions only exist because: +// 1) they facilitate the readability and maintenance of the multiple main.cpp examples files. +// 2) the upcoming multi-viewport feature will need them internally. +// Generally we avoid exposing any kind of superfluous high-level helpers in the bindings, +// but it is too much code to duplicate everywhere so we exceptionally expose them. +// +// Your engine/app will likely _already_ have code to setup all that stuff (swap chain, render pass, frame buffers, etc.). +// You may read this code to learn about Vulkan, but it is recommended you use you own custom tailored code to do equivalent work. +// (The ImGui_ImplVulkanH_XXX functions do not interact with any of the state used by the regular ImGui_ImplVulkan_XXX functions) +//------------------------------------------------------------------------- + +struct ImGui_ImplVulkanH_Frame; +struct ImGui_ImplVulkanH_Window; + +// Helpers +IMGUI_IMPL_API void ImGui_ImplVulkanH_CreateWindow(VkInstance instance, VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_Window* wnd, uint32_t queue_family, const VkAllocationCallbacks* allocator, int w, int h, uint32_t min_image_count); +IMGUI_IMPL_API void ImGui_ImplVulkanH_DestroyWindow(VkInstance instance, VkDevice device, ImGui_ImplVulkanH_Window* wnd, const VkAllocationCallbacks* allocator); +IMGUI_IMPL_API VkSurfaceFormatKHR ImGui_ImplVulkanH_SelectSurfaceFormat(VkPhysicalDevice physical_device, VkSurfaceKHR surface, const VkFormat* request_formats, int request_formats_count, VkColorSpaceKHR request_color_space); +IMGUI_IMPL_API VkPresentModeKHR ImGui_ImplVulkanH_SelectPresentMode(VkPhysicalDevice physical_device, VkSurfaceKHR surface, const VkPresentModeKHR* request_modes, int request_modes_count); +IMGUI_IMPL_API int ImGui_ImplVulkanH_GetMinImageCountFromPresentMode(VkPresentModeKHR present_mode); + +// Helper structure to hold the data needed by one rendering frame +// (Used by example's main.cpp. Used by multi-viewport features. Probably NOT used by your own engine/app.) +// [Please zero-clear before use!] +struct ImGui_ImplVulkanH_Frame +{ + VkCommandPool CommandPool; + VkCommandBuffer CommandBuffer; + VkFence Fence; + VkImage Backbuffer; + VkImageView BackbufferView; + VkFramebuffer Framebuffer; +}; + +struct ImGui_ImplVulkanH_FrameSemaphores +{ + VkSemaphore ImageAcquiredSemaphore; + VkSemaphore RenderCompleteSemaphore; +}; + +// Helper structure to hold the data needed by one rendering context into one OS window +// (Used by example's main.cpp. Used by multi-viewport features. Probably NOT used by your own engine/app.) +struct ImGui_ImplVulkanH_Window +{ + int Width; + int Height; + VkSwapchainKHR Swapchain; + VkSurfaceKHR Surface; + VkSurfaceFormatKHR SurfaceFormat; + VkPresentModeKHR PresentMode; + VkRenderPass RenderPass; + bool ClearEnable; + VkClearValue ClearValue; + uint32_t FrameIndex; // Current frame being rendered to (0 <= FrameIndex < FrameInFlightCount) + uint32_t ImageCount; // Number of simultaneous in-flight frames (returned by vkGetSwapchainImagesKHR, usually derived from min_image_count) + uint32_t SemaphoreIndex; // Current set of swapchain wait semaphores we're using (needs to be distinct from per frame data) + ImGui_ImplVulkanH_Frame* Frames; + ImGui_ImplVulkanH_FrameSemaphores* FrameSemaphores; + + ImGui_ImplVulkanH_Window() + { + memset(this, 0, sizeof(*this)); + PresentMode = VK_PRESENT_MODE_MAX_ENUM_KHR; + ClearEnable = true; + } +}; + diff --git a/imgui-submodule/imgui/examples/imgui_impl_win32.cpp b/imgui-submodule/imgui/examples/imgui_impl_win32.cpp new file mode 100644 index 0000000..f8868ce --- /dev/null +++ b/imgui-submodule/imgui/examples/imgui_impl_win32.cpp @@ -0,0 +1,441 @@ +// dear imgui: Platform Binding for Windows (standard windows API for 32 and 64 bits applications) +// This needs to be used along with a Renderer (e.g. DirectX11, OpenGL3, Vulkan..) + +// Implemented features: +// [X] Platform: Clipboard support (for Win32 this is actually part of core dear imgui) +// [X] Platform: Mouse cursor shape and visibility. Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange'. +// [X] Platform: Keyboard arrays indexed using VK_* Virtual Key Codes, e.g. ImGui::IsKeyPressed(VK_SPACE). +// [X] Platform: Gamepad support. Enabled with 'io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad'. + +#include "imgui.h" +#include "imgui_impl_win32.h" +#ifndef WIN32_LEAN_AND_MEAN +#define WIN32_LEAN_AND_MEAN +#endif +#include +#include + +// Using XInput library for gamepad (with recent Windows SDK this may leads to executables which won't run on Windows 7) +#ifndef IMGUI_IMPL_WIN32_DISABLE_GAMEPAD +#include +#else +#define IMGUI_IMPL_WIN32_DISABLE_LINKING_XINPUT +#endif +#if defined(_MSC_VER) && !defined(IMGUI_IMPL_WIN32_DISABLE_LINKING_XINPUT) +#pragma comment(lib, "xinput") +//#pragma comment(lib, "Xinput9_1_0") +#endif + +// CHANGELOG +// (minor and older changes stripped away, please see git history for details) +// 2020-03-03: Inputs: Calling AddInputCharacterUTF16() to support surrogate pairs leading to codepoint >= 0x10000 (for more complete CJK inputs) +// 2020-02-17: Added ImGui_ImplWin32_EnableDpiAwareness(), ImGui_ImplWin32_GetDpiScaleForHwnd(), ImGui_ImplWin32_GetDpiScaleForMonitor() helper functions. +// 2020-01-14: Inputs: Added support for #define IMGUI_IMPL_WIN32_DISABLE_GAMEPAD/IMGUI_IMPL_WIN32_DISABLE_LINKING_XINPUT. +// 2019-12-05: Inputs: Added support for ImGuiMouseCursor_NotAllowed mouse cursor. +// 2019-05-11: Inputs: Don't filter value from WM_CHAR before calling AddInputCharacter(). +// 2019-01-17: Misc: Using GetForegroundWindow()+IsChild() instead of GetActiveWindow() to be compatible with windows created in a different thread or parent. +// 2019-01-17: Inputs: Added support for mouse buttons 4 and 5 via WM_XBUTTON* messages. +// 2019-01-15: Inputs: Added support for XInput gamepads (if ImGuiConfigFlags_NavEnableGamepad is set by user application). +// 2018-11-30: Misc: Setting up io.BackendPlatformName so it can be displayed in the About Window. +// 2018-06-29: Inputs: Added support for the ImGuiMouseCursor_Hand cursor. +// 2018-06-10: Inputs: Fixed handling of mouse wheel messages to support fine position messages (typically sent by track-pads). +// 2018-06-08: Misc: Extracted imgui_impl_win32.cpp/.h away from the old combined DX9/DX10/DX11/DX12 examples. +// 2018-03-20: Misc: Setup io.BackendFlags ImGuiBackendFlags_HasMouseCursors and ImGuiBackendFlags_HasSetMousePos flags + honor ImGuiConfigFlags_NoMouseCursorChange flag. +// 2018-02-20: Inputs: Added support for mouse cursors (ImGui::GetMouseCursor() value and WM_SETCURSOR message handling). +// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. +// 2018-02-06: Inputs: Honoring the io.WantSetMousePos by repositioning the mouse (when using navigation and ImGuiConfigFlags_NavMoveMouse is set). +// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. +// 2018-01-20: Inputs: Added Horizontal Mouse Wheel support. +// 2018-01-08: Inputs: Added mapping for ImGuiKey_Insert. +// 2018-01-05: Inputs: Added WM_LBUTTONDBLCLK double-click handlers for window classes with the CS_DBLCLKS flag. +// 2017-10-23: Inputs: Added WM_SYSKEYDOWN / WM_SYSKEYUP handlers so e.g. the VK_MENU key can be read. +// 2017-10-23: Inputs: Using Win32 ::SetCapture/::GetCapture() to retrieve mouse positions outside the client area when dragging. +// 2016-11-12: Inputs: Only call Win32 ::SetCursor(NULL) when io.MouseDrawCursor is set. + +// Win32 Data +static HWND g_hWnd = NULL; +static INT64 g_Time = 0; +static INT64 g_TicksPerSecond = 0; +static ImGuiMouseCursor g_LastMouseCursor = ImGuiMouseCursor_COUNT; +static bool g_HasGamepad = false; +static bool g_WantUpdateHasGamepad = true; + +// Functions +bool ImGui_ImplWin32_Init(void* hwnd) +{ + if (!::QueryPerformanceFrequency((LARGE_INTEGER *)&g_TicksPerSecond)) + return false; + if (!::QueryPerformanceCounter((LARGE_INTEGER *)&g_Time)) + return false; + + // Setup back-end capabilities flags + g_hWnd = (HWND)hwnd; + ImGuiIO& io = ImGui::GetIO(); + io.BackendFlags |= ImGuiBackendFlags_HasMouseCursors; // We can honor GetMouseCursor() values (optional) + io.BackendFlags |= ImGuiBackendFlags_HasSetMousePos; // We can honor io.WantSetMousePos requests (optional, rarely used) + io.BackendPlatformName = "imgui_impl_win32"; + io.ImeWindowHandle = hwnd; + + // Keyboard mapping. ImGui will use those indices to peek into the io.KeysDown[] array that we will update during the application lifetime. + io.KeyMap[ImGuiKey_Tab] = VK_TAB; + io.KeyMap[ImGuiKey_LeftArrow] = VK_LEFT; + io.KeyMap[ImGuiKey_RightArrow] = VK_RIGHT; + io.KeyMap[ImGuiKey_UpArrow] = VK_UP; + io.KeyMap[ImGuiKey_DownArrow] = VK_DOWN; + io.KeyMap[ImGuiKey_PageUp] = VK_PRIOR; + io.KeyMap[ImGuiKey_PageDown] = VK_NEXT; + io.KeyMap[ImGuiKey_Home] = VK_HOME; + io.KeyMap[ImGuiKey_End] = VK_END; + io.KeyMap[ImGuiKey_Insert] = VK_INSERT; + io.KeyMap[ImGuiKey_Delete] = VK_DELETE; + io.KeyMap[ImGuiKey_Backspace] = VK_BACK; + io.KeyMap[ImGuiKey_Space] = VK_SPACE; + io.KeyMap[ImGuiKey_Enter] = VK_RETURN; + io.KeyMap[ImGuiKey_Escape] = VK_ESCAPE; + io.KeyMap[ImGuiKey_KeyPadEnter] = VK_RETURN; + io.KeyMap[ImGuiKey_A] = 'A'; + io.KeyMap[ImGuiKey_C] = 'C'; + io.KeyMap[ImGuiKey_V] = 'V'; + io.KeyMap[ImGuiKey_X] = 'X'; + io.KeyMap[ImGuiKey_Y] = 'Y'; + io.KeyMap[ImGuiKey_Z] = 'Z'; + + return true; +} + +void ImGui_ImplWin32_Shutdown() +{ + g_hWnd = (HWND)0; +} + +static bool ImGui_ImplWin32_UpdateMouseCursor() +{ + ImGuiIO& io = ImGui::GetIO(); + if (io.ConfigFlags & ImGuiConfigFlags_NoMouseCursorChange) + return false; + + ImGuiMouseCursor imgui_cursor = ImGui::GetMouseCursor(); + if (imgui_cursor == ImGuiMouseCursor_None || io.MouseDrawCursor) + { + // Hide OS mouse cursor if imgui is drawing it or if it wants no cursor + ::SetCursor(NULL); + } + else + { + // Show OS mouse cursor + LPTSTR win32_cursor = IDC_ARROW; + switch (imgui_cursor) + { + case ImGuiMouseCursor_Arrow: win32_cursor = IDC_ARROW; break; + case ImGuiMouseCursor_TextInput: win32_cursor = IDC_IBEAM; break; + case ImGuiMouseCursor_ResizeAll: win32_cursor = IDC_SIZEALL; break; + case ImGuiMouseCursor_ResizeEW: win32_cursor = IDC_SIZEWE; break; + case ImGuiMouseCursor_ResizeNS: win32_cursor = IDC_SIZENS; break; + case ImGuiMouseCursor_ResizeNESW: win32_cursor = IDC_SIZENESW; break; + case ImGuiMouseCursor_ResizeNWSE: win32_cursor = IDC_SIZENWSE; break; + case ImGuiMouseCursor_Hand: win32_cursor = IDC_HAND; break; + case ImGuiMouseCursor_NotAllowed: win32_cursor = IDC_NO; break; + } + ::SetCursor(::LoadCursor(NULL, win32_cursor)); + } + return true; +} + +static void ImGui_ImplWin32_UpdateMousePos() +{ + ImGuiIO& io = ImGui::GetIO(); + + // Set OS mouse position if requested (rarely used, only when ImGuiConfigFlags_NavEnableSetMousePos is enabled by user) + if (io.WantSetMousePos) + { + POINT pos = { (int)io.MousePos.x, (int)io.MousePos.y }; + ::ClientToScreen(g_hWnd, &pos); + ::SetCursorPos(pos.x, pos.y); + } + + // Set mouse position + io.MousePos = ImVec2(-FLT_MAX, -FLT_MAX); + POINT pos; + if (HWND active_window = ::GetForegroundWindow()) + if (active_window == g_hWnd || ::IsChild(active_window, g_hWnd)) + if (::GetCursorPos(&pos) && ::ScreenToClient(g_hWnd, &pos)) + io.MousePos = ImVec2((float)pos.x, (float)pos.y); +} + +// Gamepad navigation mapping +static void ImGui_ImplWin32_UpdateGamepads() +{ +#ifndef IMGUI_IMPL_WIN32_DISABLE_GAMEPAD + ImGuiIO& io = ImGui::GetIO(); + memset(io.NavInputs, 0, sizeof(io.NavInputs)); + if ((io.ConfigFlags & ImGuiConfigFlags_NavEnableGamepad) == 0) + return; + + // Calling XInputGetState() every frame on disconnected gamepads is unfortunately too slow. + // Instead we refresh gamepad availability by calling XInputGetCapabilities() _only_ after receiving WM_DEVICECHANGE. + if (g_WantUpdateHasGamepad) + { + XINPUT_CAPABILITIES caps; + g_HasGamepad = (XInputGetCapabilities(0, XINPUT_FLAG_GAMEPAD, &caps) == ERROR_SUCCESS); + g_WantUpdateHasGamepad = false; + } + + XINPUT_STATE xinput_state; + io.BackendFlags &= ~ImGuiBackendFlags_HasGamepad; + if (g_HasGamepad && XInputGetState(0, &xinput_state) == ERROR_SUCCESS) + { + const XINPUT_GAMEPAD& gamepad = xinput_state.Gamepad; + io.BackendFlags |= ImGuiBackendFlags_HasGamepad; + + #define MAP_BUTTON(NAV_NO, BUTTON_ENUM) { io.NavInputs[NAV_NO] = (gamepad.wButtons & BUTTON_ENUM) ? 1.0f : 0.0f; } + #define MAP_ANALOG(NAV_NO, VALUE, V0, V1) { float vn = (float)(VALUE - V0) / (float)(V1 - V0); if (vn > 1.0f) vn = 1.0f; if (vn > 0.0f && io.NavInputs[NAV_NO] < vn) io.NavInputs[NAV_NO] = vn; } + MAP_BUTTON(ImGuiNavInput_Activate, XINPUT_GAMEPAD_A); // Cross / A + MAP_BUTTON(ImGuiNavInput_Cancel, XINPUT_GAMEPAD_B); // Circle / B + MAP_BUTTON(ImGuiNavInput_Menu, XINPUT_GAMEPAD_X); // Square / X + MAP_BUTTON(ImGuiNavInput_Input, XINPUT_GAMEPAD_Y); // Triangle / Y + MAP_BUTTON(ImGuiNavInput_DpadLeft, XINPUT_GAMEPAD_DPAD_LEFT); // D-Pad Left + MAP_BUTTON(ImGuiNavInput_DpadRight, XINPUT_GAMEPAD_DPAD_RIGHT); // D-Pad Right + MAP_BUTTON(ImGuiNavInput_DpadUp, XINPUT_GAMEPAD_DPAD_UP); // D-Pad Up + MAP_BUTTON(ImGuiNavInput_DpadDown, XINPUT_GAMEPAD_DPAD_DOWN); // D-Pad Down + MAP_BUTTON(ImGuiNavInput_FocusPrev, XINPUT_GAMEPAD_LEFT_SHOULDER); // L1 / LB + MAP_BUTTON(ImGuiNavInput_FocusNext, XINPUT_GAMEPAD_RIGHT_SHOULDER); // R1 / RB + MAP_BUTTON(ImGuiNavInput_TweakSlow, XINPUT_GAMEPAD_LEFT_SHOULDER); // L1 / LB + MAP_BUTTON(ImGuiNavInput_TweakFast, XINPUT_GAMEPAD_RIGHT_SHOULDER); // R1 / RB + MAP_ANALOG(ImGuiNavInput_LStickLeft, gamepad.sThumbLX, -XINPUT_GAMEPAD_LEFT_THUMB_DEADZONE, -32768); + MAP_ANALOG(ImGuiNavInput_LStickRight, gamepad.sThumbLX, +XINPUT_GAMEPAD_LEFT_THUMB_DEADZONE, +32767); + MAP_ANALOG(ImGuiNavInput_LStickUp, gamepad.sThumbLY, +XINPUT_GAMEPAD_LEFT_THUMB_DEADZONE, +32767); + MAP_ANALOG(ImGuiNavInput_LStickDown, gamepad.sThumbLY, -XINPUT_GAMEPAD_LEFT_THUMB_DEADZONE, -32767); + #undef MAP_BUTTON + #undef MAP_ANALOG + } +#endif // #ifndef IMGUI_IMPL_WIN32_DISABLE_GAMEPAD +} + +void ImGui_ImplWin32_NewFrame() +{ + ImGuiIO& io = ImGui::GetIO(); + IM_ASSERT(io.Fonts->IsBuilt() && "Font atlas not built! It is generally built by the renderer back-end. Missing call to renderer _NewFrame() function? e.g. ImGui_ImplOpenGL3_NewFrame()."); + + // Setup display size (every frame to accommodate for window resizing) + RECT rect; + ::GetClientRect(g_hWnd, &rect); + io.DisplaySize = ImVec2((float)(rect.right - rect.left), (float)(rect.bottom - rect.top)); + + // Setup time step + INT64 current_time; + ::QueryPerformanceCounter((LARGE_INTEGER *)¤t_time); + io.DeltaTime = (float)(current_time - g_Time) / g_TicksPerSecond; + g_Time = current_time; + + // Read keyboard modifiers inputs + io.KeyCtrl = (::GetKeyState(VK_CONTROL) & 0x8000) != 0; + io.KeyShift = (::GetKeyState(VK_SHIFT) & 0x8000) != 0; + io.KeyAlt = (::GetKeyState(VK_MENU) & 0x8000) != 0; + io.KeySuper = false; + // io.KeysDown[], io.MousePos, io.MouseDown[], io.MouseWheel: filled by the WndProc handler below. + + // Update OS mouse position + ImGui_ImplWin32_UpdateMousePos(); + + // Update OS mouse cursor with the cursor requested by imgui + ImGuiMouseCursor mouse_cursor = io.MouseDrawCursor ? ImGuiMouseCursor_None : ImGui::GetMouseCursor(); + if (g_LastMouseCursor != mouse_cursor) + { + g_LastMouseCursor = mouse_cursor; + ImGui_ImplWin32_UpdateMouseCursor(); + } + + // Update game controllers (if enabled and available) + ImGui_ImplWin32_UpdateGamepads(); +} + +// Allow compilation with old Windows SDK. MinGW doesn't have default _WIN32_WINNT/WINVER versions. +#ifndef WM_MOUSEHWHEEL +#define WM_MOUSEHWHEEL 0x020E +#endif +#ifndef DBT_DEVNODES_CHANGED +#define DBT_DEVNODES_CHANGED 0x0007 +#endif + +// Win32 message handler (process Win32 mouse/keyboard inputs, etc.) +// Call from your application's message handler. +// When implementing your own back-end, you can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if Dear ImGui wants to use your inputs. +// - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application. +// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. +// Generally you may always pass all inputs to Dear ImGui, and hide them from your application based on those two flags. +// PS: In this Win32 handler, we use the capture API (GetCapture/SetCapture/ReleaseCapture) to be able to read mouse coordinates when dragging mouse outside of our window bounds. +// PS: We treat DBLCLK messages as regular mouse down messages, so this code will work on windows classes that have the CS_DBLCLKS flag set. Our own example app code doesn't set this flag. +#if 0 +// Copy this line into your .cpp file to forward declare the function. +extern IMGUI_IMPL_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam); +#endif +IMGUI_IMPL_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) +{ + if (ImGui::GetCurrentContext() == NULL) + return 0; + + ImGuiIO& io = ImGui::GetIO(); + switch (msg) + { + case WM_LBUTTONDOWN: case WM_LBUTTONDBLCLK: + case WM_RBUTTONDOWN: case WM_RBUTTONDBLCLK: + case WM_MBUTTONDOWN: case WM_MBUTTONDBLCLK: + case WM_XBUTTONDOWN: case WM_XBUTTONDBLCLK: + { + int button = 0; + if (msg == WM_LBUTTONDOWN || msg == WM_LBUTTONDBLCLK) { button = 0; } + if (msg == WM_RBUTTONDOWN || msg == WM_RBUTTONDBLCLK) { button = 1; } + if (msg == WM_MBUTTONDOWN || msg == WM_MBUTTONDBLCLK) { button = 2; } + if (msg == WM_XBUTTONDOWN || msg == WM_XBUTTONDBLCLK) { button = (GET_XBUTTON_WPARAM(wParam) == XBUTTON1) ? 3 : 4; } + if (!ImGui::IsAnyMouseDown() && ::GetCapture() == NULL) + ::SetCapture(hwnd); + io.MouseDown[button] = true; + return 0; + } + case WM_LBUTTONUP: + case WM_RBUTTONUP: + case WM_MBUTTONUP: + case WM_XBUTTONUP: + { + int button = 0; + if (msg == WM_LBUTTONUP) { button = 0; } + if (msg == WM_RBUTTONUP) { button = 1; } + if (msg == WM_MBUTTONUP) { button = 2; } + if (msg == WM_XBUTTONUP) { button = (GET_XBUTTON_WPARAM(wParam) == XBUTTON1) ? 3 : 4; } + io.MouseDown[button] = false; + if (!ImGui::IsAnyMouseDown() && ::GetCapture() == hwnd) + ::ReleaseCapture(); + return 0; + } + case WM_MOUSEWHEEL: + io.MouseWheel += (float)GET_WHEEL_DELTA_WPARAM(wParam) / (float)WHEEL_DELTA; + return 0; + case WM_MOUSEHWHEEL: + io.MouseWheelH += (float)GET_WHEEL_DELTA_WPARAM(wParam) / (float)WHEEL_DELTA; + return 0; + case WM_KEYDOWN: + case WM_SYSKEYDOWN: + if (wParam < 256) + io.KeysDown[wParam] = 1; + return 0; + case WM_KEYUP: + case WM_SYSKEYUP: + if (wParam < 256) + io.KeysDown[wParam] = 0; + return 0; + case WM_CHAR: + // You can also use ToAscii()+GetKeyboardState() to retrieve characters. + if (wParam > 0 && wParam < 0x10000) + io.AddInputCharacterUTF16((unsigned short)wParam); + return 0; + case WM_SETCURSOR: + if (LOWORD(lParam) == HTCLIENT && ImGui_ImplWin32_UpdateMouseCursor()) + return 1; + return 0; + case WM_DEVICECHANGE: + if ((UINT)wParam == DBT_DEVNODES_CHANGED) + g_WantUpdateHasGamepad = true; + return 0; + } + return 0; +} + + +//-------------------------------------------------------------------------------------------------------- +// DPI-related helpers (optional) +//-------------------------------------------------------------------------------------------------------- +// - Use to enable DPI awareness without having to create an application manifest. +// - Your own app may already do this via a manifest or explicit calls. This is mostly useful for our examples/ apps. +// - In theory we could call simple functions from Windows SDK such as SetProcessDPIAware(), SetProcessDpiAwareness(), etc. +// but most of the functions provided by Microsoft require Windows 8.1/10+ SDK at compile time and Windows 8/10+ at runtime, +// neither we want to require the user to have. So we dynamically select and load those functions to avoid dependencies. +//--------------------------------------------------------------------------------------------------------- +// This is the scheme successfully used by GLFW (from which we borrowed some of the code) and other apps aiming to be highly portable. +// ImGui_ImplWin32_EnableDpiAwareness() is just a helper called by main.cpp, we don't call it automatically. +// If you are trying to implement your own back-end for your own engine, you may ignore that noise. +//--------------------------------------------------------------------------------------------------------- + +// Implement some of the functions and types normally declared in recent Windows SDK. +#if !defined(_versionhelpers_H_INCLUDED_) && !defined(_INC_VERSIONHELPERS) +static BOOL IsWindowsVersionOrGreater(WORD major, WORD minor, WORD sp) +{ + OSVERSIONINFOEXW osvi = { sizeof(osvi), major, minor, 0, 0, { 0 }, sp }; + DWORD mask = VER_MAJORVERSION | VER_MINORVERSION | VER_SERVICEPACKMAJOR; + ULONGLONG cond = ::VerSetConditionMask(0, VER_MAJORVERSION, VER_GREATER_EQUAL); + cond = ::VerSetConditionMask(cond, VER_MINORVERSION, VER_GREATER_EQUAL); + cond = ::VerSetConditionMask(cond, VER_SERVICEPACKMAJOR, VER_GREATER_EQUAL); + return ::VerifyVersionInfoW(&osvi, mask, cond); +} +#define IsWindows8Point1OrGreater() IsWindowsVersionOrGreater(HIBYTE(0x0602), LOBYTE(0x0602), 0) // _WIN32_WINNT_WINBLUE +#endif + +#ifndef DPI_ENUMS_DECLARED +typedef enum { PROCESS_DPI_UNAWARE = 0, PROCESS_SYSTEM_DPI_AWARE = 1, PROCESS_PER_MONITOR_DPI_AWARE = 2 } PROCESS_DPI_AWARENESS; +typedef enum { MDT_EFFECTIVE_DPI = 0, MDT_ANGULAR_DPI = 1, MDT_RAW_DPI = 2, MDT_DEFAULT = MDT_EFFECTIVE_DPI } MONITOR_DPI_TYPE; +#endif +#ifndef _DPI_AWARENESS_CONTEXTS_ +DECLARE_HANDLE(DPI_AWARENESS_CONTEXT); +#define DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE (DPI_AWARENESS_CONTEXT)-3 +#endif +#ifndef DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2 +#define DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2 (DPI_AWARENESS_CONTEXT)-4 +#endif +typedef HRESULT(WINAPI* PFN_SetProcessDpiAwareness)(PROCESS_DPI_AWARENESS); // Shcore.lib + dll, Windows 8.1+ +typedef HRESULT(WINAPI* PFN_GetDpiForMonitor)(HMONITOR, MONITOR_DPI_TYPE, UINT*, UINT*); // Shcore.lib + dll, Windows 8.1+ +typedef DPI_AWARENESS_CONTEXT(WINAPI* PFN_SetThreadDpiAwarenessContext)(DPI_AWARENESS_CONTEXT); // User32.lib + dll, Windows 10 v1607+ (Creators Update) + +// Helper function to enable DPI awareness without setting up a manifest +void ImGui_ImplWin32_EnableDpiAwareness() +{ + // if (IsWindows10OrGreater()) // This needs a manifest to succeed. Instead we try to grab the function pointer! + { + static HINSTANCE user32_dll = ::LoadLibraryA("user32.dll"); // Reference counted per-process + if (PFN_SetThreadDpiAwarenessContext SetThreadDpiAwarenessContextFn = (PFN_SetThreadDpiAwarenessContext)::GetProcAddress(user32_dll, "SetThreadDpiAwarenessContext")) + { + SetThreadDpiAwarenessContextFn(DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2); + return; + } + } + if (IsWindows8Point1OrGreater()) + { + static HINSTANCE shcore_dll = ::LoadLibraryA("shcore.dll"); // Reference counted per-process + if (PFN_SetProcessDpiAwareness SetProcessDpiAwarenessFn = (PFN_SetProcessDpiAwareness)::GetProcAddress(shcore_dll, "SetProcessDpiAwareness")) + { + SetProcessDpiAwarenessFn(PROCESS_PER_MONITOR_DPI_AWARE); + return; + } + } + SetProcessDPIAware(); +} + +#ifdef _MSC_VER +#pragma comment(lib, "gdi32") // Link with gdi32.lib for GetDeviceCaps() +#endif + +float ImGui_ImplWin32_GetDpiScaleForMonitor(void* monitor) +{ + UINT xdpi = 96, ydpi = 96; + if (IsWindows8Point1OrGreater()) + { + static HINSTANCE shcore_dll = ::LoadLibraryA("shcore.dll"); // Reference counted per-process + if (PFN_GetDpiForMonitor GetDpiForMonitorFn = (PFN_GetDpiForMonitor)::GetProcAddress(shcore_dll, "GetDpiForMonitor")) + GetDpiForMonitorFn((HMONITOR)monitor, MDT_EFFECTIVE_DPI, &xdpi, &ydpi); + } + else + { + const HDC dc = ::GetDC(NULL); + xdpi = ::GetDeviceCaps(dc, LOGPIXELSX); + ydpi = ::GetDeviceCaps(dc, LOGPIXELSY); + ::ReleaseDC(NULL, dc); + } + IM_ASSERT(xdpi == ydpi); // Please contact me if you hit this assert! + return xdpi / 96.0f; +} + +float ImGui_ImplWin32_GetDpiScaleForHwnd(void* hwnd) +{ + HMONITOR monitor = ::MonitorFromWindow((HWND)hwnd, MONITOR_DEFAULTTONEAREST); + return ImGui_ImplWin32_GetDpiScaleForMonitor(monitor); +} + +//--------------------------------------------------------------------------------------------------------- diff --git a/imgui-submodule/imgui/examples/imgui_impl_win32.h b/imgui-submodule/imgui/examples/imgui_impl_win32.h new file mode 100644 index 0000000..daadf31 --- /dev/null +++ b/imgui-submodule/imgui/examples/imgui_impl_win32.h @@ -0,0 +1,35 @@ +// dear imgui: Platform Binding for Windows (standard windows API for 32 and 64 bits applications) +// This needs to be used along with a Renderer (e.g. DirectX11, OpenGL3, Vulkan..) + +// Implemented features: +// [X] Platform: Clipboard support (for Win32 this is actually part of core dear imgui) +// [X] Platform: Mouse cursor shape and visibility. Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange'. +// [X] Platform: Keyboard arrays indexed using VK_* Virtual Key Codes, e.g. ImGui::IsKeyPressed(VK_SPACE). +// [X] Platform: Gamepad support. Enabled with 'io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad'. + +#pragma once + +IMGUI_IMPL_API bool ImGui_ImplWin32_Init(void* hwnd); +IMGUI_IMPL_API void ImGui_ImplWin32_Shutdown(); +IMGUI_IMPL_API void ImGui_ImplWin32_NewFrame(); + +// Configuration: Disable gamepad support or linking with xinput.lib +//#define IMGUI_IMPL_WIN32_DISABLE_GAMEPAD +//#define IMGUI_IMPL_WIN32_DISABLE_LINKING_XINPUT + +// Win32 message handler +// - Intentionally commented out in a '#if 0' block to avoid dragging dependencies on +// - You can COPY this line into your .cpp code to forward declare the function. +#if 0 +extern IMGUI_IMPL_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam); +#endif + +// DPI-related helpers (optional) +// - Use to enable DPI awareness without having to create an application manifest. +// - Your own app may already do this via a manifest or explicit calls. This is mostly useful for our examples/ apps. +// - In theory we could call simple functions from Windows SDK such as SetProcessDPIAware(), SetProcessDpiAwareness(), etc. +// but most of the functions provided by Microsoft require Windows 8.1/10+ SDK at compile time and Windows 8/10+ at runtime, +// neither we want to require the user to have. So we dynamically select and load those functions to avoid dependencies. +IMGUI_IMPL_API void ImGui_ImplWin32_EnableDpiAwareness(); +IMGUI_IMPL_API float ImGui_ImplWin32_GetDpiScaleForHwnd(void* hwnd); // HWND hwnd +IMGUI_IMPL_API float ImGui_ImplWin32_GetDpiScaleForMonitor(void* monitor); // HMONITOR monitor diff --git a/imgui-submodule/imgui/examples/libs/gl3w/GL/gl3w.c b/imgui-submodule/imgui/examples/libs/gl3w/GL/gl3w.c new file mode 100644 index 0000000..464e017 --- /dev/null +++ b/imgui-submodule/imgui/examples/libs/gl3w/GL/gl3w.c @@ -0,0 +1,1344 @@ +#include + +#ifdef _MSC_VER +#pragma warning (disable: 4055) // warning C4055: 'type cast' : from data pointer 'void *' to function pointer +#pragma warning (disable: 4152) // warning C4152: nonstandard extension, function/data pointer conversion in expression +#endif + +#ifdef _WIN32 +#define WIN32_LEAN_AND_MEAN 1 +#include + +static HMODULE libgl; + +static void open_libgl(void) +{ + libgl = LoadLibraryA("opengl32.dll"); +} + +static void close_libgl(void) +{ + FreeLibrary(libgl); +} + +static void *get_proc(const char *proc) +{ + void *res; + + res = wglGetProcAddress(proc); + if (!res) + res = GetProcAddress(libgl, proc); + return res; +} +#elif defined(__APPLE__) || defined(__APPLE_CC__) +#include + +CFBundleRef bundle; +CFURLRef bundleURL; + +static void open_libgl(void) +{ + bundleURL = CFURLCreateWithFileSystemPath(kCFAllocatorDefault, + CFSTR("/System/Library/Frameworks/OpenGL.framework"), + kCFURLPOSIXPathStyle, true); + + bundle = CFBundleCreate(kCFAllocatorDefault, bundleURL); + assert(bundle != NULL); +} + +static void close_libgl(void) +{ + CFRelease(bundle); + CFRelease(bundleURL); +} + +static void *get_proc(const char *proc) +{ + void *res; + + CFStringRef procname = CFStringCreateWithCString(kCFAllocatorDefault, proc, + kCFStringEncodingASCII); + res = CFBundleGetFunctionPointerForName(bundle, procname); + CFRelease(procname); + return res; +} +#else +#include +#include + +static void *libgl; + +static void open_libgl(void) +{ + libgl = dlopen("libGL.so.1", RTLD_LAZY | RTLD_GLOBAL); +} + +static void close_libgl(void) +{ + dlclose(libgl); +} + +static void *get_proc(const char *proc) +{ + void *res; + + res = (void*)glXGetProcAddress((const GLubyte *) proc); + if (!res) + res = dlsym(libgl, proc); + return res; +} +#endif + +static struct { + int major, minor; +} version; + +static int parse_version(void) +{ + if (!glGetIntegerv) + return -1; + + glGetIntegerv(GL_MAJOR_VERSION, &version.major); + glGetIntegerv(GL_MINOR_VERSION, &version.minor); + + if (version.major < 3) + return -1; + return 0; +} + +static void load_procs(void); + +int gl3wInit(void) +{ + open_libgl(); + load_procs(); + close_libgl(); + return parse_version(); +} + +int gl3wIsSupported(int major, int minor) +{ + if (major < 3) + return 0; + if (version.major == major) + return version.minor >= minor; + return version.major >= major; +} + +void *gl3wGetProcAddress(const char *proc) +{ + return get_proc(proc); +} + +PFNGLCULLFACEPROC gl3wCullFace; +PFNGLFRONTFACEPROC gl3wFrontFace; +PFNGLHINTPROC gl3wHint; +PFNGLLINEWIDTHPROC gl3wLineWidth; +PFNGLPOINTSIZEPROC gl3wPointSize; +PFNGLPOLYGONMODEPROC gl3wPolygonMode; +PFNGLSCISSORPROC gl3wScissor; +PFNGLTEXPARAMETERFPROC gl3wTexParameterf; +PFNGLTEXPARAMETERFVPROC gl3wTexParameterfv; +PFNGLTEXPARAMETERIPROC gl3wTexParameteri; +PFNGLTEXPARAMETERIVPROC gl3wTexParameteriv; +PFNGLTEXIMAGE1DPROC gl3wTexImage1D; +PFNGLTEXIMAGE2DPROC gl3wTexImage2D; +PFNGLDRAWBUFFERPROC gl3wDrawBuffer; +PFNGLCLEARPROC gl3wClear; +PFNGLCLEARCOLORPROC gl3wClearColor; +PFNGLCLEARSTENCILPROC gl3wClearStencil; +PFNGLCLEARDEPTHPROC gl3wClearDepth; +PFNGLSTENCILMASKPROC gl3wStencilMask; +PFNGLCOLORMASKPROC gl3wColorMask; +PFNGLDEPTHMASKPROC gl3wDepthMask; +PFNGLDISABLEPROC gl3wDisable; +PFNGLENABLEPROC gl3wEnable; +PFNGLFINISHPROC gl3wFinish; +PFNGLFLUSHPROC gl3wFlush; +PFNGLBLENDFUNCPROC gl3wBlendFunc; +PFNGLLOGICOPPROC gl3wLogicOp; +PFNGLSTENCILFUNCPROC gl3wStencilFunc; +PFNGLSTENCILOPPROC gl3wStencilOp; +PFNGLDEPTHFUNCPROC gl3wDepthFunc; +PFNGLPIXELSTOREFPROC gl3wPixelStoref; +PFNGLPIXELSTOREIPROC gl3wPixelStorei; +PFNGLREADBUFFERPROC gl3wReadBuffer; +PFNGLREADPIXELSPROC gl3wReadPixels; +PFNGLGETBOOLEANVPROC gl3wGetBooleanv; +PFNGLGETDOUBLEVPROC gl3wGetDoublev; +PFNGLGETERRORPROC gl3wGetError; +PFNGLGETFLOATVPROC gl3wGetFloatv; +PFNGLGETINTEGERVPROC gl3wGetIntegerv; +PFNGLGETSTRINGPROC gl3wGetString; +PFNGLGETTEXIMAGEPROC gl3wGetTexImage; +PFNGLGETTEXPARAMETERFVPROC gl3wGetTexParameterfv; +PFNGLGETTEXPARAMETERIVPROC gl3wGetTexParameteriv; +PFNGLGETTEXLEVELPARAMETERFVPROC gl3wGetTexLevelParameterfv; +PFNGLGETTEXLEVELPARAMETERIVPROC gl3wGetTexLevelParameteriv; +PFNGLISENABLEDPROC gl3wIsEnabled; +PFNGLDEPTHRANGEPROC gl3wDepthRange; +PFNGLVIEWPORTPROC gl3wViewport; +PFNGLDRAWARRAYSPROC gl3wDrawArrays; +PFNGLDRAWELEMENTSPROC gl3wDrawElements; +PFNGLGETPOINTERVPROC gl3wGetPointerv; +PFNGLPOLYGONOFFSETPROC gl3wPolygonOffset; +PFNGLCOPYTEXIMAGE1DPROC gl3wCopyTexImage1D; +PFNGLCOPYTEXIMAGE2DPROC gl3wCopyTexImage2D; +PFNGLCOPYTEXSUBIMAGE1DPROC gl3wCopyTexSubImage1D; +PFNGLCOPYTEXSUBIMAGE2DPROC gl3wCopyTexSubImage2D; +PFNGLTEXSUBIMAGE1DPROC gl3wTexSubImage1D; +PFNGLTEXSUBIMAGE2DPROC gl3wTexSubImage2D; +PFNGLBINDTEXTUREPROC gl3wBindTexture; +PFNGLDELETETEXTURESPROC gl3wDeleteTextures; +PFNGLGENTEXTURESPROC gl3wGenTextures; +PFNGLISTEXTUREPROC gl3wIsTexture; +PFNGLBLENDCOLORPROC gl3wBlendColor; +PFNGLBLENDEQUATIONPROC gl3wBlendEquation; +PFNGLDRAWRANGEELEMENTSPROC gl3wDrawRangeElements; +PFNGLTEXIMAGE3DPROC gl3wTexImage3D; +PFNGLTEXSUBIMAGE3DPROC gl3wTexSubImage3D; +PFNGLCOPYTEXSUBIMAGE3DPROC gl3wCopyTexSubImage3D; +PFNGLACTIVETEXTUREPROC gl3wActiveTexture; +PFNGLSAMPLECOVERAGEPROC gl3wSampleCoverage; +PFNGLCOMPRESSEDTEXIMAGE3DPROC gl3wCompressedTexImage3D; +PFNGLCOMPRESSEDTEXIMAGE2DPROC gl3wCompressedTexImage2D; +PFNGLCOMPRESSEDTEXIMAGE1DPROC gl3wCompressedTexImage1D; +PFNGLCOMPRESSEDTEXSUBIMAGE3DPROC gl3wCompressedTexSubImage3D; +PFNGLCOMPRESSEDTEXSUBIMAGE2DPROC gl3wCompressedTexSubImage2D; +PFNGLCOMPRESSEDTEXSUBIMAGE1DPROC gl3wCompressedTexSubImage1D; +PFNGLGETCOMPRESSEDTEXIMAGEPROC gl3wGetCompressedTexImage; +PFNGLBLENDFUNCSEPARATEPROC gl3wBlendFuncSeparate; +PFNGLMULTIDRAWARRAYSPROC gl3wMultiDrawArrays; +PFNGLMULTIDRAWELEMENTSPROC gl3wMultiDrawElements; +PFNGLPOINTPARAMETERFPROC gl3wPointParameterf; +PFNGLPOINTPARAMETERFVPROC gl3wPointParameterfv; +PFNGLPOINTPARAMETERIPROC gl3wPointParameteri; +PFNGLPOINTPARAMETERIVPROC gl3wPointParameteriv; +PFNGLGENQUERIESPROC gl3wGenQueries; +PFNGLDELETEQUERIESPROC gl3wDeleteQueries; +PFNGLISQUERYPROC gl3wIsQuery; +PFNGLBEGINQUERYPROC gl3wBeginQuery; +PFNGLENDQUERYPROC gl3wEndQuery; +PFNGLGETQUERYIVPROC gl3wGetQueryiv; +PFNGLGETQUERYOBJECTIVPROC gl3wGetQueryObjectiv; +PFNGLGETQUERYOBJECTUIVPROC gl3wGetQueryObjectuiv; +PFNGLBINDBUFFERPROC gl3wBindBuffer; +PFNGLDELETEBUFFERSPROC gl3wDeleteBuffers; +PFNGLGENBUFFERSPROC gl3wGenBuffers; +PFNGLISBUFFERPROC gl3wIsBuffer; +PFNGLBUFFERDATAPROC gl3wBufferData; +PFNGLBUFFERSUBDATAPROC gl3wBufferSubData; +PFNGLGETBUFFERSUBDATAPROC gl3wGetBufferSubData; +PFNGLMAPBUFFERPROC gl3wMapBuffer; +PFNGLUNMAPBUFFERPROC gl3wUnmapBuffer; +PFNGLGETBUFFERPARAMETERIVPROC gl3wGetBufferParameteriv; +PFNGLGETBUFFERPOINTERVPROC gl3wGetBufferPointerv; +PFNGLBLENDEQUATIONSEPARATEPROC gl3wBlendEquationSeparate; +PFNGLDRAWBUFFERSPROC gl3wDrawBuffers; +PFNGLSTENCILOPSEPARATEPROC gl3wStencilOpSeparate; +PFNGLSTENCILFUNCSEPARATEPROC gl3wStencilFuncSeparate; +PFNGLSTENCILMASKSEPARATEPROC gl3wStencilMaskSeparate; +PFNGLATTACHSHADERPROC gl3wAttachShader; +PFNGLBINDATTRIBLOCATIONPROC gl3wBindAttribLocation; +PFNGLCOMPILESHADERPROC gl3wCompileShader; +PFNGLCREATEPROGRAMPROC gl3wCreateProgram; +PFNGLCREATESHADERPROC gl3wCreateShader; +PFNGLDELETEPROGRAMPROC gl3wDeleteProgram; +PFNGLDELETESHADERPROC gl3wDeleteShader; +PFNGLDETACHSHADERPROC gl3wDetachShader; +PFNGLDISABLEVERTEXATTRIBARRAYPROC gl3wDisableVertexAttribArray; +PFNGLENABLEVERTEXATTRIBARRAYPROC gl3wEnableVertexAttribArray; +PFNGLGETACTIVEATTRIBPROC gl3wGetActiveAttrib; +PFNGLGETACTIVEUNIFORMPROC gl3wGetActiveUniform; +PFNGLGETATTACHEDSHADERSPROC gl3wGetAttachedShaders; +PFNGLGETATTRIBLOCATIONPROC gl3wGetAttribLocation; +PFNGLGETPROGRAMIVPROC gl3wGetProgramiv; +PFNGLGETPROGRAMINFOLOGPROC gl3wGetProgramInfoLog; +PFNGLGETSHADERIVPROC gl3wGetShaderiv; +PFNGLGETSHADERINFOLOGPROC gl3wGetShaderInfoLog; +PFNGLGETSHADERSOURCEPROC gl3wGetShaderSource; +PFNGLGETUNIFORMLOCATIONPROC gl3wGetUniformLocation; +PFNGLGETUNIFORMFVPROC gl3wGetUniformfv; +PFNGLGETUNIFORMIVPROC gl3wGetUniformiv; +PFNGLGETVERTEXATTRIBDVPROC gl3wGetVertexAttribdv; +PFNGLGETVERTEXATTRIBFVPROC gl3wGetVertexAttribfv; +PFNGLGETVERTEXATTRIBIVPROC gl3wGetVertexAttribiv; +PFNGLGETVERTEXATTRIBPOINTERVPROC gl3wGetVertexAttribPointerv; +PFNGLISPROGRAMPROC gl3wIsProgram; +PFNGLISSHADERPROC gl3wIsShader; +PFNGLLINKPROGRAMPROC gl3wLinkProgram; +PFNGLSHADERSOURCEPROC gl3wShaderSource; +PFNGLUSEPROGRAMPROC gl3wUseProgram; +PFNGLUNIFORM1FPROC gl3wUniform1f; +PFNGLUNIFORM2FPROC gl3wUniform2f; +PFNGLUNIFORM3FPROC gl3wUniform3f; +PFNGLUNIFORM4FPROC gl3wUniform4f; +PFNGLUNIFORM1IPROC gl3wUniform1i; +PFNGLUNIFORM2IPROC gl3wUniform2i; +PFNGLUNIFORM3IPROC gl3wUniform3i; +PFNGLUNIFORM4IPROC gl3wUniform4i; +PFNGLUNIFORM1FVPROC gl3wUniform1fv; +PFNGLUNIFORM2FVPROC gl3wUniform2fv; +PFNGLUNIFORM3FVPROC gl3wUniform3fv; +PFNGLUNIFORM4FVPROC gl3wUniform4fv; +PFNGLUNIFORM1IVPROC gl3wUniform1iv; +PFNGLUNIFORM2IVPROC gl3wUniform2iv; +PFNGLUNIFORM3IVPROC gl3wUniform3iv; +PFNGLUNIFORM4IVPROC gl3wUniform4iv; +PFNGLUNIFORMMATRIX2FVPROC gl3wUniformMatrix2fv; +PFNGLUNIFORMMATRIX3FVPROC gl3wUniformMatrix3fv; +PFNGLUNIFORMMATRIX4FVPROC gl3wUniformMatrix4fv; +PFNGLVALIDATEPROGRAMPROC gl3wValidateProgram; +PFNGLVERTEXATTRIB1DPROC gl3wVertexAttrib1d; +PFNGLVERTEXATTRIB1DVPROC gl3wVertexAttrib1dv; +PFNGLVERTEXATTRIB1FPROC gl3wVertexAttrib1f; +PFNGLVERTEXATTRIB1FVPROC gl3wVertexAttrib1fv; +PFNGLVERTEXATTRIB1SPROC gl3wVertexAttrib1s; +PFNGLVERTEXATTRIB1SVPROC gl3wVertexAttrib1sv; +PFNGLVERTEXATTRIB2DPROC gl3wVertexAttrib2d; +PFNGLVERTEXATTRIB2DVPROC gl3wVertexAttrib2dv; +PFNGLVERTEXATTRIB2FPROC gl3wVertexAttrib2f; +PFNGLVERTEXATTRIB2FVPROC gl3wVertexAttrib2fv; +PFNGLVERTEXATTRIB2SPROC gl3wVertexAttrib2s; +PFNGLVERTEXATTRIB2SVPROC gl3wVertexAttrib2sv; +PFNGLVERTEXATTRIB3DPROC gl3wVertexAttrib3d; +PFNGLVERTEXATTRIB3DVPROC gl3wVertexAttrib3dv; +PFNGLVERTEXATTRIB3FPROC gl3wVertexAttrib3f; +PFNGLVERTEXATTRIB3FVPROC gl3wVertexAttrib3fv; +PFNGLVERTEXATTRIB3SPROC gl3wVertexAttrib3s; +PFNGLVERTEXATTRIB3SVPROC gl3wVertexAttrib3sv; +PFNGLVERTEXATTRIB4NBVPROC gl3wVertexAttrib4Nbv; +PFNGLVERTEXATTRIB4NIVPROC gl3wVertexAttrib4Niv; +PFNGLVERTEXATTRIB4NSVPROC gl3wVertexAttrib4Nsv; +PFNGLVERTEXATTRIB4NUBPROC gl3wVertexAttrib4Nub; +PFNGLVERTEXATTRIB4NUBVPROC gl3wVertexAttrib4Nubv; +PFNGLVERTEXATTRIB4NUIVPROC gl3wVertexAttrib4Nuiv; +PFNGLVERTEXATTRIB4NUSVPROC gl3wVertexAttrib4Nusv; +PFNGLVERTEXATTRIB4BVPROC gl3wVertexAttrib4bv; +PFNGLVERTEXATTRIB4DPROC gl3wVertexAttrib4d; +PFNGLVERTEXATTRIB4DVPROC gl3wVertexAttrib4dv; +PFNGLVERTEXATTRIB4FPROC gl3wVertexAttrib4f; +PFNGLVERTEXATTRIB4FVPROC gl3wVertexAttrib4fv; +PFNGLVERTEXATTRIB4IVPROC gl3wVertexAttrib4iv; +PFNGLVERTEXATTRIB4SPROC gl3wVertexAttrib4s; +PFNGLVERTEXATTRIB4SVPROC gl3wVertexAttrib4sv; +PFNGLVERTEXATTRIB4UBVPROC gl3wVertexAttrib4ubv; +PFNGLVERTEXATTRIB4UIVPROC gl3wVertexAttrib4uiv; +PFNGLVERTEXATTRIB4USVPROC gl3wVertexAttrib4usv; +PFNGLVERTEXATTRIBPOINTERPROC gl3wVertexAttribPointer; +PFNGLUNIFORMMATRIX2X3FVPROC gl3wUniformMatrix2x3fv; +PFNGLUNIFORMMATRIX3X2FVPROC gl3wUniformMatrix3x2fv; +PFNGLUNIFORMMATRIX2X4FVPROC gl3wUniformMatrix2x4fv; +PFNGLUNIFORMMATRIX4X2FVPROC gl3wUniformMatrix4x2fv; +PFNGLUNIFORMMATRIX3X4FVPROC gl3wUniformMatrix3x4fv; +PFNGLUNIFORMMATRIX4X3FVPROC gl3wUniformMatrix4x3fv; +PFNGLCOLORMASKIPROC gl3wColorMaski; +PFNGLGETBOOLEANI_VPROC gl3wGetBooleani_v; +PFNGLGETINTEGERI_VPROC gl3wGetIntegeri_v; +PFNGLENABLEIPROC gl3wEnablei; +PFNGLDISABLEIPROC gl3wDisablei; +PFNGLISENABLEDIPROC gl3wIsEnabledi; +PFNGLBEGINTRANSFORMFEEDBACKPROC gl3wBeginTransformFeedback; +PFNGLENDTRANSFORMFEEDBACKPROC gl3wEndTransformFeedback; +PFNGLBINDBUFFERRANGEPROC gl3wBindBufferRange; +PFNGLBINDBUFFERBASEPROC gl3wBindBufferBase; +PFNGLTRANSFORMFEEDBACKVARYINGSPROC gl3wTransformFeedbackVaryings; +PFNGLGETTRANSFORMFEEDBACKVARYINGPROC gl3wGetTransformFeedbackVarying; +PFNGLCLAMPCOLORPROC gl3wClampColor; +PFNGLBEGINCONDITIONALRENDERPROC gl3wBeginConditionalRender; +PFNGLENDCONDITIONALRENDERPROC gl3wEndConditionalRender; +PFNGLVERTEXATTRIBIPOINTERPROC gl3wVertexAttribIPointer; +PFNGLGETVERTEXATTRIBIIVPROC gl3wGetVertexAttribIiv; +PFNGLGETVERTEXATTRIBIUIVPROC gl3wGetVertexAttribIuiv; +PFNGLVERTEXATTRIBI1IPROC gl3wVertexAttribI1i; +PFNGLVERTEXATTRIBI2IPROC gl3wVertexAttribI2i; +PFNGLVERTEXATTRIBI3IPROC gl3wVertexAttribI3i; +PFNGLVERTEXATTRIBI4IPROC gl3wVertexAttribI4i; +PFNGLVERTEXATTRIBI1UIPROC gl3wVertexAttribI1ui; +PFNGLVERTEXATTRIBI2UIPROC gl3wVertexAttribI2ui; +PFNGLVERTEXATTRIBI3UIPROC gl3wVertexAttribI3ui; +PFNGLVERTEXATTRIBI4UIPROC gl3wVertexAttribI4ui; +PFNGLVERTEXATTRIBI1IVPROC gl3wVertexAttribI1iv; +PFNGLVERTEXATTRIBI2IVPROC gl3wVertexAttribI2iv; +PFNGLVERTEXATTRIBI3IVPROC gl3wVertexAttribI3iv; +PFNGLVERTEXATTRIBI4IVPROC gl3wVertexAttribI4iv; +PFNGLVERTEXATTRIBI1UIVPROC gl3wVertexAttribI1uiv; +PFNGLVERTEXATTRIBI2UIVPROC gl3wVertexAttribI2uiv; +PFNGLVERTEXATTRIBI3UIVPROC gl3wVertexAttribI3uiv; +PFNGLVERTEXATTRIBI4UIVPROC gl3wVertexAttribI4uiv; +PFNGLVERTEXATTRIBI4BVPROC gl3wVertexAttribI4bv; +PFNGLVERTEXATTRIBI4SVPROC gl3wVertexAttribI4sv; +PFNGLVERTEXATTRIBI4UBVPROC gl3wVertexAttribI4ubv; +PFNGLVERTEXATTRIBI4USVPROC gl3wVertexAttribI4usv; +PFNGLGETUNIFORMUIVPROC gl3wGetUniformuiv; +PFNGLBINDFRAGDATALOCATIONPROC gl3wBindFragDataLocation; +PFNGLGETFRAGDATALOCATIONPROC gl3wGetFragDataLocation; +PFNGLUNIFORM1UIPROC gl3wUniform1ui; +PFNGLUNIFORM2UIPROC gl3wUniform2ui; +PFNGLUNIFORM3UIPROC gl3wUniform3ui; +PFNGLUNIFORM4UIPROC gl3wUniform4ui; +PFNGLUNIFORM1UIVPROC gl3wUniform1uiv; +PFNGLUNIFORM2UIVPROC gl3wUniform2uiv; +PFNGLUNIFORM3UIVPROC gl3wUniform3uiv; +PFNGLUNIFORM4UIVPROC gl3wUniform4uiv; +PFNGLTEXPARAMETERIIVPROC gl3wTexParameterIiv; +PFNGLTEXPARAMETERIUIVPROC gl3wTexParameterIuiv; +PFNGLGETTEXPARAMETERIIVPROC gl3wGetTexParameterIiv; +PFNGLGETTEXPARAMETERIUIVPROC gl3wGetTexParameterIuiv; +PFNGLCLEARBUFFERIVPROC gl3wClearBufferiv; +PFNGLCLEARBUFFERUIVPROC gl3wClearBufferuiv; +PFNGLCLEARBUFFERFVPROC gl3wClearBufferfv; +PFNGLCLEARBUFFERFIPROC gl3wClearBufferfi; +PFNGLGETSTRINGIPROC gl3wGetStringi; +PFNGLDRAWARRAYSINSTANCEDPROC gl3wDrawArraysInstanced; +PFNGLDRAWELEMENTSINSTANCEDPROC gl3wDrawElementsInstanced; +PFNGLTEXBUFFERPROC gl3wTexBuffer; +PFNGLPRIMITIVERESTARTINDEXPROC gl3wPrimitiveRestartIndex; +PFNGLGETINTEGER64I_VPROC gl3wGetInteger64i_v; +PFNGLGETBUFFERPARAMETERI64VPROC gl3wGetBufferParameteri64v; +PFNGLFRAMEBUFFERTEXTUREPROC gl3wFramebufferTexture; +PFNGLVERTEXATTRIBDIVISORPROC gl3wVertexAttribDivisor; +PFNGLMINSAMPLESHADINGPROC gl3wMinSampleShading; +PFNGLBLENDEQUATIONIPROC gl3wBlendEquationi; +PFNGLBLENDEQUATIONSEPARATEIPROC gl3wBlendEquationSeparatei; +PFNGLBLENDFUNCIPROC gl3wBlendFunci; +PFNGLBLENDFUNCSEPARATEIPROC gl3wBlendFuncSeparatei; +PFNGLISRENDERBUFFERPROC gl3wIsRenderbuffer; +PFNGLBINDRENDERBUFFERPROC gl3wBindRenderbuffer; +PFNGLDELETERENDERBUFFERSPROC gl3wDeleteRenderbuffers; +PFNGLGENRENDERBUFFERSPROC gl3wGenRenderbuffers; +PFNGLRENDERBUFFERSTORAGEPROC gl3wRenderbufferStorage; +PFNGLGETRENDERBUFFERPARAMETERIVPROC gl3wGetRenderbufferParameteriv; +PFNGLISFRAMEBUFFERPROC gl3wIsFramebuffer; +PFNGLBINDFRAMEBUFFERPROC gl3wBindFramebuffer; +PFNGLDELETEFRAMEBUFFERSPROC gl3wDeleteFramebuffers; +PFNGLGENFRAMEBUFFERSPROC gl3wGenFramebuffers; +PFNGLCHECKFRAMEBUFFERSTATUSPROC gl3wCheckFramebufferStatus; +PFNGLFRAMEBUFFERTEXTURE1DPROC gl3wFramebufferTexture1D; +PFNGLFRAMEBUFFERTEXTURE2DPROC gl3wFramebufferTexture2D; +PFNGLFRAMEBUFFERTEXTURE3DPROC gl3wFramebufferTexture3D; +PFNGLFRAMEBUFFERRENDERBUFFERPROC gl3wFramebufferRenderbuffer; +PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC gl3wGetFramebufferAttachmentParameteriv; +PFNGLGENERATEMIPMAPPROC gl3wGenerateMipmap; +PFNGLBLITFRAMEBUFFERPROC gl3wBlitFramebuffer; +PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC gl3wRenderbufferStorageMultisample; +PFNGLFRAMEBUFFERTEXTURELAYERPROC gl3wFramebufferTextureLayer; +PFNGLMAPBUFFERRANGEPROC gl3wMapBufferRange; +PFNGLFLUSHMAPPEDBUFFERRANGEPROC gl3wFlushMappedBufferRange; +PFNGLBINDVERTEXARRAYPROC gl3wBindVertexArray; +PFNGLDELETEVERTEXARRAYSPROC gl3wDeleteVertexArrays; +PFNGLGENVERTEXARRAYSPROC gl3wGenVertexArrays; +PFNGLISVERTEXARRAYPROC gl3wIsVertexArray; +PFNGLGETUNIFORMINDICESPROC gl3wGetUniformIndices; +PFNGLGETACTIVEUNIFORMSIVPROC gl3wGetActiveUniformsiv; +PFNGLGETACTIVEUNIFORMNAMEPROC gl3wGetActiveUniformName; +PFNGLGETUNIFORMBLOCKINDEXPROC gl3wGetUniformBlockIndex; +PFNGLGETACTIVEUNIFORMBLOCKIVPROC gl3wGetActiveUniformBlockiv; +PFNGLGETACTIVEUNIFORMBLOCKNAMEPROC gl3wGetActiveUniformBlockName; +PFNGLUNIFORMBLOCKBINDINGPROC gl3wUniformBlockBinding; +PFNGLCOPYBUFFERSUBDATAPROC gl3wCopyBufferSubData; +PFNGLDRAWELEMENTSBASEVERTEXPROC gl3wDrawElementsBaseVertex; +PFNGLDRAWRANGEELEMENTSBASEVERTEXPROC gl3wDrawRangeElementsBaseVertex; +PFNGLDRAWELEMENTSINSTANCEDBASEVERTEXPROC gl3wDrawElementsInstancedBaseVertex; +PFNGLMULTIDRAWELEMENTSBASEVERTEXPROC gl3wMultiDrawElementsBaseVertex; +PFNGLPROVOKINGVERTEXPROC gl3wProvokingVertex; +PFNGLFENCESYNCPROC gl3wFenceSync; +PFNGLISSYNCPROC gl3wIsSync; +PFNGLDELETESYNCPROC gl3wDeleteSync; +PFNGLCLIENTWAITSYNCPROC gl3wClientWaitSync; +PFNGLWAITSYNCPROC gl3wWaitSync; +PFNGLGETINTEGER64VPROC gl3wGetInteger64v; +PFNGLGETSYNCIVPROC gl3wGetSynciv; +PFNGLTEXIMAGE2DMULTISAMPLEPROC gl3wTexImage2DMultisample; +PFNGLTEXIMAGE3DMULTISAMPLEPROC gl3wTexImage3DMultisample; +PFNGLGETMULTISAMPLEFVPROC gl3wGetMultisamplefv; +PFNGLSAMPLEMASKIPROC gl3wSampleMaski; +PFNGLBLENDEQUATIONIARBPROC gl3wBlendEquationiARB; +PFNGLBLENDEQUATIONSEPARATEIARBPROC gl3wBlendEquationSeparateiARB; +PFNGLBLENDFUNCIARBPROC gl3wBlendFunciARB; +PFNGLBLENDFUNCSEPARATEIARBPROC gl3wBlendFuncSeparateiARB; +PFNGLMINSAMPLESHADINGARBPROC gl3wMinSampleShadingARB; +PFNGLNAMEDSTRINGARBPROC gl3wNamedStringARB; +PFNGLDELETENAMEDSTRINGARBPROC gl3wDeleteNamedStringARB; +PFNGLCOMPILESHADERINCLUDEARBPROC gl3wCompileShaderIncludeARB; +PFNGLISNAMEDSTRINGARBPROC gl3wIsNamedStringARB; +PFNGLGETNAMEDSTRINGARBPROC gl3wGetNamedStringARB; +PFNGLGETNAMEDSTRINGIVARBPROC gl3wGetNamedStringivARB; +PFNGLBINDFRAGDATALOCATIONINDEXEDPROC gl3wBindFragDataLocationIndexed; +PFNGLGETFRAGDATAINDEXPROC gl3wGetFragDataIndex; +PFNGLGENSAMPLERSPROC gl3wGenSamplers; +PFNGLDELETESAMPLERSPROC gl3wDeleteSamplers; +PFNGLISSAMPLERPROC gl3wIsSampler; +PFNGLBINDSAMPLERPROC gl3wBindSampler; +PFNGLSAMPLERPARAMETERIPROC gl3wSamplerParameteri; +PFNGLSAMPLERPARAMETERIVPROC gl3wSamplerParameteriv; +PFNGLSAMPLERPARAMETERFPROC gl3wSamplerParameterf; +PFNGLSAMPLERPARAMETERFVPROC gl3wSamplerParameterfv; +PFNGLSAMPLERPARAMETERIIVPROC gl3wSamplerParameterIiv; +PFNGLSAMPLERPARAMETERIUIVPROC gl3wSamplerParameterIuiv; +PFNGLGETSAMPLERPARAMETERIVPROC gl3wGetSamplerParameteriv; +PFNGLGETSAMPLERPARAMETERIIVPROC gl3wGetSamplerParameterIiv; +PFNGLGETSAMPLERPARAMETERFVPROC gl3wGetSamplerParameterfv; +PFNGLGETSAMPLERPARAMETERIUIVPROC gl3wGetSamplerParameterIuiv; +PFNGLQUERYCOUNTERPROC gl3wQueryCounter; +PFNGLGETQUERYOBJECTI64VPROC gl3wGetQueryObjecti64v; +PFNGLGETQUERYOBJECTUI64VPROC gl3wGetQueryObjectui64v; +PFNGLVERTEXP2UIPROC gl3wVertexP2ui; +PFNGLVERTEXP2UIVPROC gl3wVertexP2uiv; +PFNGLVERTEXP3UIPROC gl3wVertexP3ui; +PFNGLVERTEXP3UIVPROC gl3wVertexP3uiv; +PFNGLVERTEXP4UIPROC gl3wVertexP4ui; +PFNGLVERTEXP4UIVPROC gl3wVertexP4uiv; +PFNGLTEXCOORDP1UIPROC gl3wTexCoordP1ui; +PFNGLTEXCOORDP1UIVPROC gl3wTexCoordP1uiv; +PFNGLTEXCOORDP2UIPROC gl3wTexCoordP2ui; +PFNGLTEXCOORDP2UIVPROC gl3wTexCoordP2uiv; +PFNGLTEXCOORDP3UIPROC gl3wTexCoordP3ui; +PFNGLTEXCOORDP3UIVPROC gl3wTexCoordP3uiv; +PFNGLTEXCOORDP4UIPROC gl3wTexCoordP4ui; +PFNGLTEXCOORDP4UIVPROC gl3wTexCoordP4uiv; +PFNGLMULTITEXCOORDP1UIPROC gl3wMultiTexCoordP1ui; +PFNGLMULTITEXCOORDP1UIVPROC gl3wMultiTexCoordP1uiv; +PFNGLMULTITEXCOORDP2UIPROC gl3wMultiTexCoordP2ui; +PFNGLMULTITEXCOORDP2UIVPROC gl3wMultiTexCoordP2uiv; +PFNGLMULTITEXCOORDP3UIPROC gl3wMultiTexCoordP3ui; +PFNGLMULTITEXCOORDP3UIVPROC gl3wMultiTexCoordP3uiv; +PFNGLMULTITEXCOORDP4UIPROC gl3wMultiTexCoordP4ui; +PFNGLMULTITEXCOORDP4UIVPROC gl3wMultiTexCoordP4uiv; +PFNGLNORMALP3UIPROC gl3wNormalP3ui; +PFNGLNORMALP3UIVPROC gl3wNormalP3uiv; +PFNGLCOLORP3UIPROC gl3wColorP3ui; +PFNGLCOLORP3UIVPROC gl3wColorP3uiv; +PFNGLCOLORP4UIPROC gl3wColorP4ui; +PFNGLCOLORP4UIVPROC gl3wColorP4uiv; +PFNGLSECONDARYCOLORP3UIPROC gl3wSecondaryColorP3ui; +PFNGLSECONDARYCOLORP3UIVPROC gl3wSecondaryColorP3uiv; +PFNGLVERTEXATTRIBP1UIPROC gl3wVertexAttribP1ui; +PFNGLVERTEXATTRIBP1UIVPROC gl3wVertexAttribP1uiv; +PFNGLVERTEXATTRIBP2UIPROC gl3wVertexAttribP2ui; +PFNGLVERTEXATTRIBP2UIVPROC gl3wVertexAttribP2uiv; +PFNGLVERTEXATTRIBP3UIPROC gl3wVertexAttribP3ui; +PFNGLVERTEXATTRIBP3UIVPROC gl3wVertexAttribP3uiv; +PFNGLVERTEXATTRIBP4UIPROC gl3wVertexAttribP4ui; +PFNGLVERTEXATTRIBP4UIVPROC gl3wVertexAttribP4uiv; +PFNGLDRAWARRAYSINDIRECTPROC gl3wDrawArraysIndirect; +PFNGLDRAWELEMENTSINDIRECTPROC gl3wDrawElementsIndirect; +PFNGLUNIFORM1DPROC gl3wUniform1d; +PFNGLUNIFORM2DPROC gl3wUniform2d; +PFNGLUNIFORM3DPROC gl3wUniform3d; +PFNGLUNIFORM4DPROC gl3wUniform4d; +PFNGLUNIFORM1DVPROC gl3wUniform1dv; +PFNGLUNIFORM2DVPROC gl3wUniform2dv; +PFNGLUNIFORM3DVPROC gl3wUniform3dv; +PFNGLUNIFORM4DVPROC gl3wUniform4dv; +PFNGLUNIFORMMATRIX2DVPROC gl3wUniformMatrix2dv; +PFNGLUNIFORMMATRIX3DVPROC gl3wUniformMatrix3dv; +PFNGLUNIFORMMATRIX4DVPROC gl3wUniformMatrix4dv; +PFNGLUNIFORMMATRIX2X3DVPROC gl3wUniformMatrix2x3dv; +PFNGLUNIFORMMATRIX2X4DVPROC gl3wUniformMatrix2x4dv; +PFNGLUNIFORMMATRIX3X2DVPROC gl3wUniformMatrix3x2dv; +PFNGLUNIFORMMATRIX3X4DVPROC gl3wUniformMatrix3x4dv; +PFNGLUNIFORMMATRIX4X2DVPROC gl3wUniformMatrix4x2dv; +PFNGLUNIFORMMATRIX4X3DVPROC gl3wUniformMatrix4x3dv; +PFNGLGETUNIFORMDVPROC gl3wGetUniformdv; +PFNGLGETSUBROUTINEUNIFORMLOCATIONPROC gl3wGetSubroutineUniformLocation; +PFNGLGETSUBROUTINEINDEXPROC gl3wGetSubroutineIndex; +PFNGLGETACTIVESUBROUTINEUNIFORMIVPROC gl3wGetActiveSubroutineUniformiv; +PFNGLGETACTIVESUBROUTINEUNIFORMNAMEPROC gl3wGetActiveSubroutineUniformName; +PFNGLGETACTIVESUBROUTINENAMEPROC gl3wGetActiveSubroutineName; +PFNGLUNIFORMSUBROUTINESUIVPROC gl3wUniformSubroutinesuiv; +PFNGLGETUNIFORMSUBROUTINEUIVPROC gl3wGetUniformSubroutineuiv; +PFNGLGETPROGRAMSTAGEIVPROC gl3wGetProgramStageiv; +PFNGLPATCHPARAMETERIPROC gl3wPatchParameteri; +PFNGLPATCHPARAMETERFVPROC gl3wPatchParameterfv; +PFNGLBINDTRANSFORMFEEDBACKPROC gl3wBindTransformFeedback; +PFNGLDELETETRANSFORMFEEDBACKSPROC gl3wDeleteTransformFeedbacks; +PFNGLGENTRANSFORMFEEDBACKSPROC gl3wGenTransformFeedbacks; +PFNGLISTRANSFORMFEEDBACKPROC gl3wIsTransformFeedback; +PFNGLPAUSETRANSFORMFEEDBACKPROC gl3wPauseTransformFeedback; +PFNGLRESUMETRANSFORMFEEDBACKPROC gl3wResumeTransformFeedback; +PFNGLDRAWTRANSFORMFEEDBACKPROC gl3wDrawTransformFeedback; +PFNGLDRAWTRANSFORMFEEDBACKSTREAMPROC gl3wDrawTransformFeedbackStream; +PFNGLBEGINQUERYINDEXEDPROC gl3wBeginQueryIndexed; +PFNGLENDQUERYINDEXEDPROC gl3wEndQueryIndexed; +PFNGLGETQUERYINDEXEDIVPROC gl3wGetQueryIndexediv; +PFNGLRELEASESHADERCOMPILERPROC gl3wReleaseShaderCompiler; +PFNGLSHADERBINARYPROC gl3wShaderBinary; +PFNGLGETSHADERPRECISIONFORMATPROC gl3wGetShaderPrecisionFormat; +PFNGLDEPTHRANGEFPROC gl3wDepthRangef; +PFNGLCLEARDEPTHFPROC gl3wClearDepthf; +PFNGLGETPROGRAMBINARYPROC gl3wGetProgramBinary; +PFNGLPROGRAMBINARYPROC gl3wProgramBinary; +PFNGLPROGRAMPARAMETERIPROC gl3wProgramParameteri; +PFNGLUSEPROGRAMSTAGESPROC gl3wUseProgramStages; +PFNGLACTIVESHADERPROGRAMPROC gl3wActiveShaderProgram; +PFNGLCREATESHADERPROGRAMVPROC gl3wCreateShaderProgramv; +PFNGLBINDPROGRAMPIPELINEPROC gl3wBindProgramPipeline; +PFNGLDELETEPROGRAMPIPELINESPROC gl3wDeleteProgramPipelines; +PFNGLGENPROGRAMPIPELINESPROC gl3wGenProgramPipelines; +PFNGLISPROGRAMPIPELINEPROC gl3wIsProgramPipeline; +PFNGLGETPROGRAMPIPELINEIVPROC gl3wGetProgramPipelineiv; +PFNGLPROGRAMUNIFORM1IPROC gl3wProgramUniform1i; +PFNGLPROGRAMUNIFORM1IVPROC gl3wProgramUniform1iv; +PFNGLPROGRAMUNIFORM1FPROC gl3wProgramUniform1f; +PFNGLPROGRAMUNIFORM1FVPROC gl3wProgramUniform1fv; +PFNGLPROGRAMUNIFORM1DPROC gl3wProgramUniform1d; +PFNGLPROGRAMUNIFORM1DVPROC gl3wProgramUniform1dv; +PFNGLPROGRAMUNIFORM1UIPROC gl3wProgramUniform1ui; +PFNGLPROGRAMUNIFORM1UIVPROC gl3wProgramUniform1uiv; +PFNGLPROGRAMUNIFORM2IPROC gl3wProgramUniform2i; +PFNGLPROGRAMUNIFORM2IVPROC gl3wProgramUniform2iv; +PFNGLPROGRAMUNIFORM2FPROC gl3wProgramUniform2f; +PFNGLPROGRAMUNIFORM2FVPROC gl3wProgramUniform2fv; +PFNGLPROGRAMUNIFORM2DPROC gl3wProgramUniform2d; +PFNGLPROGRAMUNIFORM2DVPROC gl3wProgramUniform2dv; +PFNGLPROGRAMUNIFORM2UIPROC gl3wProgramUniform2ui; +PFNGLPROGRAMUNIFORM2UIVPROC gl3wProgramUniform2uiv; +PFNGLPROGRAMUNIFORM3IPROC gl3wProgramUniform3i; +PFNGLPROGRAMUNIFORM3IVPROC gl3wProgramUniform3iv; +PFNGLPROGRAMUNIFORM3FPROC gl3wProgramUniform3f; +PFNGLPROGRAMUNIFORM3FVPROC gl3wProgramUniform3fv; +PFNGLPROGRAMUNIFORM3DPROC gl3wProgramUniform3d; +PFNGLPROGRAMUNIFORM3DVPROC gl3wProgramUniform3dv; +PFNGLPROGRAMUNIFORM3UIPROC gl3wProgramUniform3ui; +PFNGLPROGRAMUNIFORM3UIVPROC gl3wProgramUniform3uiv; +PFNGLPROGRAMUNIFORM4IPROC gl3wProgramUniform4i; +PFNGLPROGRAMUNIFORM4IVPROC gl3wProgramUniform4iv; +PFNGLPROGRAMUNIFORM4FPROC gl3wProgramUniform4f; +PFNGLPROGRAMUNIFORM4FVPROC gl3wProgramUniform4fv; +PFNGLPROGRAMUNIFORM4DPROC gl3wProgramUniform4d; +PFNGLPROGRAMUNIFORM4DVPROC gl3wProgramUniform4dv; +PFNGLPROGRAMUNIFORM4UIPROC gl3wProgramUniform4ui; +PFNGLPROGRAMUNIFORM4UIVPROC gl3wProgramUniform4uiv; +PFNGLPROGRAMUNIFORMMATRIX2FVPROC gl3wProgramUniformMatrix2fv; +PFNGLPROGRAMUNIFORMMATRIX3FVPROC gl3wProgramUniformMatrix3fv; +PFNGLPROGRAMUNIFORMMATRIX4FVPROC gl3wProgramUniformMatrix4fv; +PFNGLPROGRAMUNIFORMMATRIX2DVPROC gl3wProgramUniformMatrix2dv; +PFNGLPROGRAMUNIFORMMATRIX3DVPROC gl3wProgramUniformMatrix3dv; +PFNGLPROGRAMUNIFORMMATRIX4DVPROC gl3wProgramUniformMatrix4dv; +PFNGLPROGRAMUNIFORMMATRIX2X3FVPROC gl3wProgramUniformMatrix2x3fv; +PFNGLPROGRAMUNIFORMMATRIX3X2FVPROC gl3wProgramUniformMatrix3x2fv; +PFNGLPROGRAMUNIFORMMATRIX2X4FVPROC gl3wProgramUniformMatrix2x4fv; +PFNGLPROGRAMUNIFORMMATRIX4X2FVPROC gl3wProgramUniformMatrix4x2fv; +PFNGLPROGRAMUNIFORMMATRIX3X4FVPROC gl3wProgramUniformMatrix3x4fv; +PFNGLPROGRAMUNIFORMMATRIX4X3FVPROC gl3wProgramUniformMatrix4x3fv; +PFNGLPROGRAMUNIFORMMATRIX2X3DVPROC gl3wProgramUniformMatrix2x3dv; +PFNGLPROGRAMUNIFORMMATRIX3X2DVPROC gl3wProgramUniformMatrix3x2dv; +PFNGLPROGRAMUNIFORMMATRIX2X4DVPROC gl3wProgramUniformMatrix2x4dv; +PFNGLPROGRAMUNIFORMMATRIX4X2DVPROC gl3wProgramUniformMatrix4x2dv; +PFNGLPROGRAMUNIFORMMATRIX3X4DVPROC gl3wProgramUniformMatrix3x4dv; +PFNGLPROGRAMUNIFORMMATRIX4X3DVPROC gl3wProgramUniformMatrix4x3dv; +PFNGLVALIDATEPROGRAMPIPELINEPROC gl3wValidateProgramPipeline; +PFNGLGETPROGRAMPIPELINEINFOLOGPROC gl3wGetProgramPipelineInfoLog; +PFNGLVERTEXATTRIBL1DPROC gl3wVertexAttribL1d; +PFNGLVERTEXATTRIBL2DPROC gl3wVertexAttribL2d; +PFNGLVERTEXATTRIBL3DPROC gl3wVertexAttribL3d; +PFNGLVERTEXATTRIBL4DPROC gl3wVertexAttribL4d; +PFNGLVERTEXATTRIBL1DVPROC gl3wVertexAttribL1dv; +PFNGLVERTEXATTRIBL2DVPROC gl3wVertexAttribL2dv; +PFNGLVERTEXATTRIBL3DVPROC gl3wVertexAttribL3dv; +PFNGLVERTEXATTRIBL4DVPROC gl3wVertexAttribL4dv; +PFNGLVERTEXATTRIBLPOINTERPROC gl3wVertexAttribLPointer; +PFNGLGETVERTEXATTRIBLDVPROC gl3wGetVertexAttribLdv; +PFNGLVIEWPORTARRAYVPROC gl3wViewportArrayv; +PFNGLVIEWPORTINDEXEDFPROC gl3wViewportIndexedf; +PFNGLVIEWPORTINDEXEDFVPROC gl3wViewportIndexedfv; +PFNGLSCISSORARRAYVPROC gl3wScissorArrayv; +PFNGLSCISSORINDEXEDPROC gl3wScissorIndexed; +PFNGLSCISSORINDEXEDVPROC gl3wScissorIndexedv; +PFNGLDEPTHRANGEARRAYVPROC gl3wDepthRangeArrayv; +PFNGLDEPTHRANGEINDEXEDPROC gl3wDepthRangeIndexed; +PFNGLGETFLOATI_VPROC gl3wGetFloati_v; +PFNGLGETDOUBLEI_VPROC gl3wGetDoublei_v; +PFNGLCREATESYNCFROMCLEVENTARBPROC gl3wCreateSyncFromCLeventARB; +PFNGLDEBUGMESSAGECONTROLARBPROC gl3wDebugMessageControlARB; +PFNGLDEBUGMESSAGEINSERTARBPROC gl3wDebugMessageInsertARB; +PFNGLDEBUGMESSAGECALLBACKARBPROC gl3wDebugMessageCallbackARB; +PFNGLGETDEBUGMESSAGELOGARBPROC gl3wGetDebugMessageLogARB; +PFNGLGETGRAPHICSRESETSTATUSARBPROC gl3wGetGraphicsResetStatusARB; +PFNGLGETNTEXIMAGEARBPROC gl3wGetnTexImageARB; +PFNGLREADNPIXELSARBPROC gl3wReadnPixelsARB; +PFNGLGETNCOMPRESSEDTEXIMAGEARBPROC gl3wGetnCompressedTexImageARB; +PFNGLGETNUNIFORMFVARBPROC gl3wGetnUniformfvARB; +PFNGLGETNUNIFORMIVARBPROC gl3wGetnUniformivARB; +PFNGLGETNUNIFORMUIVARBPROC gl3wGetnUniformuivARB; +PFNGLGETNUNIFORMDVARBPROC gl3wGetnUniformdvARB; +PFNGLDRAWARRAYSINSTANCEDBASEINSTANCEPROC gl3wDrawArraysInstancedBaseInstance; +PFNGLDRAWELEMENTSINSTANCEDBASEINSTANCEPROC gl3wDrawElementsInstancedBaseInstance; +PFNGLDRAWELEMENTSINSTANCEDBASEVERTEXBASEINSTANCEPROC gl3wDrawElementsInstancedBaseVertexBaseInstance; +PFNGLDRAWTRANSFORMFEEDBACKINSTANCEDPROC gl3wDrawTransformFeedbackInstanced; +PFNGLDRAWTRANSFORMFEEDBACKSTREAMINSTANCEDPROC gl3wDrawTransformFeedbackStreamInstanced; +PFNGLGETINTERNALFORMATIVPROC gl3wGetInternalformativ; +PFNGLGETACTIVEATOMICCOUNTERBUFFERIVPROC gl3wGetActiveAtomicCounterBufferiv; +PFNGLBINDIMAGETEXTUREPROC gl3wBindImageTexture; +PFNGLMEMORYBARRIERPROC gl3wMemoryBarrier; +PFNGLTEXSTORAGE1DPROC gl3wTexStorage1D; +PFNGLTEXSTORAGE2DPROC gl3wTexStorage2D; +PFNGLTEXSTORAGE3DPROC gl3wTexStorage3D; +PFNGLTEXTURESTORAGE1DEXTPROC gl3wTextureStorage1DEXT; +PFNGLTEXTURESTORAGE2DEXTPROC gl3wTextureStorage2DEXT; +PFNGLTEXTURESTORAGE3DEXTPROC gl3wTextureStorage3DEXT; +PFNGLDEBUGMESSAGECONTROLPROC gl3wDebugMessageControl; +PFNGLDEBUGMESSAGEINSERTPROC gl3wDebugMessageInsert; +PFNGLDEBUGMESSAGECALLBACKPROC gl3wDebugMessageCallback; +PFNGLGETDEBUGMESSAGELOGPROC gl3wGetDebugMessageLog; +PFNGLPUSHDEBUGGROUPPROC gl3wPushDebugGroup; +PFNGLPOPDEBUGGROUPPROC gl3wPopDebugGroup; +PFNGLOBJECTLABELPROC gl3wObjectLabel; +PFNGLGETOBJECTLABELPROC gl3wGetObjectLabel; +PFNGLOBJECTPTRLABELPROC gl3wObjectPtrLabel; +PFNGLGETOBJECTPTRLABELPROC gl3wGetObjectPtrLabel; +PFNGLCLEARBUFFERDATAPROC gl3wClearBufferData; +PFNGLCLEARBUFFERSUBDATAPROC gl3wClearBufferSubData; +PFNGLCLEARNAMEDBUFFERDATAEXTPROC gl3wClearNamedBufferDataEXT; +PFNGLCLEARNAMEDBUFFERSUBDATAEXTPROC gl3wClearNamedBufferSubDataEXT; +PFNGLDISPATCHCOMPUTEPROC gl3wDispatchCompute; +PFNGLDISPATCHCOMPUTEINDIRECTPROC gl3wDispatchComputeIndirect; +PFNGLCOPYIMAGESUBDATAPROC gl3wCopyImageSubData; +PFNGLTEXTUREVIEWPROC gl3wTextureView; +PFNGLBINDVERTEXBUFFERPROC gl3wBindVertexBuffer; +PFNGLVERTEXATTRIBFORMATPROC gl3wVertexAttribFormat; +PFNGLVERTEXATTRIBIFORMATPROC gl3wVertexAttribIFormat; +PFNGLVERTEXATTRIBLFORMATPROC gl3wVertexAttribLFormat; +PFNGLVERTEXATTRIBBINDINGPROC gl3wVertexAttribBinding; +PFNGLVERTEXBINDINGDIVISORPROC gl3wVertexBindingDivisor; +PFNGLVERTEXARRAYBINDVERTEXBUFFEREXTPROC gl3wVertexArrayBindVertexBufferEXT; +PFNGLVERTEXARRAYVERTEXATTRIBFORMATEXTPROC gl3wVertexArrayVertexAttribFormatEXT; +PFNGLVERTEXARRAYVERTEXATTRIBIFORMATEXTPROC gl3wVertexArrayVertexAttribIFormatEXT; +PFNGLVERTEXARRAYVERTEXATTRIBLFORMATEXTPROC gl3wVertexArrayVertexAttribLFormatEXT; +PFNGLVERTEXARRAYVERTEXATTRIBBINDINGEXTPROC gl3wVertexArrayVertexAttribBindingEXT; +PFNGLVERTEXARRAYVERTEXBINDINGDIVISOREXTPROC gl3wVertexArrayVertexBindingDivisorEXT; +PFNGLFRAMEBUFFERPARAMETERIPROC gl3wFramebufferParameteri; +PFNGLGETFRAMEBUFFERPARAMETERIVPROC gl3wGetFramebufferParameteriv; +PFNGLNAMEDFRAMEBUFFERPARAMETERIEXTPROC gl3wNamedFramebufferParameteriEXT; +PFNGLGETNAMEDFRAMEBUFFERPARAMETERIVEXTPROC gl3wGetNamedFramebufferParameterivEXT; +PFNGLGETINTERNALFORMATI64VPROC gl3wGetInternalformati64v; +PFNGLINVALIDATETEXSUBIMAGEPROC gl3wInvalidateTexSubImage; +PFNGLINVALIDATETEXIMAGEPROC gl3wInvalidateTexImage; +PFNGLINVALIDATEBUFFERSUBDATAPROC gl3wInvalidateBufferSubData; +PFNGLINVALIDATEBUFFERDATAPROC gl3wInvalidateBufferData; +PFNGLINVALIDATEFRAMEBUFFERPROC gl3wInvalidateFramebuffer; +PFNGLINVALIDATESUBFRAMEBUFFERPROC gl3wInvalidateSubFramebuffer; +PFNGLMULTIDRAWARRAYSINDIRECTPROC gl3wMultiDrawArraysIndirect; +PFNGLMULTIDRAWELEMENTSINDIRECTPROC gl3wMultiDrawElementsIndirect; +PFNGLGETPROGRAMINTERFACEIVPROC gl3wGetProgramInterfaceiv; +PFNGLGETPROGRAMRESOURCEINDEXPROC gl3wGetProgramResourceIndex; +PFNGLGETPROGRAMRESOURCENAMEPROC gl3wGetProgramResourceName; +PFNGLGETPROGRAMRESOURCEIVPROC gl3wGetProgramResourceiv; +PFNGLGETPROGRAMRESOURCELOCATIONPROC gl3wGetProgramResourceLocation; +PFNGLGETPROGRAMRESOURCELOCATIONINDEXPROC gl3wGetProgramResourceLocationIndex; +PFNGLSHADERSTORAGEBLOCKBINDINGPROC gl3wShaderStorageBlockBinding; +PFNGLTEXBUFFERRANGEPROC gl3wTexBufferRange; +PFNGLTEXTUREBUFFERRANGEEXTPROC gl3wTextureBufferRangeEXT; +PFNGLTEXSTORAGE2DMULTISAMPLEPROC gl3wTexStorage2DMultisample; +PFNGLTEXSTORAGE3DMULTISAMPLEPROC gl3wTexStorage3DMultisample; +PFNGLTEXTURESTORAGE2DMULTISAMPLEEXTPROC gl3wTextureStorage2DMultisampleEXT; +PFNGLTEXTURESTORAGE3DMULTISAMPLEEXTPROC gl3wTextureStorage3DMultisampleEXT; + +static void load_procs(void) +{ + gl3wCullFace = (PFNGLCULLFACEPROC) get_proc("glCullFace"); + gl3wFrontFace = (PFNGLFRONTFACEPROC) get_proc("glFrontFace"); + gl3wHint = (PFNGLHINTPROC) get_proc("glHint"); + gl3wLineWidth = (PFNGLLINEWIDTHPROC) get_proc("glLineWidth"); + gl3wPointSize = (PFNGLPOINTSIZEPROC) get_proc("glPointSize"); + gl3wPolygonMode = (PFNGLPOLYGONMODEPROC) get_proc("glPolygonMode"); + gl3wScissor = (PFNGLSCISSORPROC) get_proc("glScissor"); + gl3wTexParameterf = (PFNGLTEXPARAMETERFPROC) get_proc("glTexParameterf"); + gl3wTexParameterfv = (PFNGLTEXPARAMETERFVPROC) get_proc("glTexParameterfv"); + gl3wTexParameteri = (PFNGLTEXPARAMETERIPROC) get_proc("glTexParameteri"); + gl3wTexParameteriv = (PFNGLTEXPARAMETERIVPROC) get_proc("glTexParameteriv"); + gl3wTexImage1D = (PFNGLTEXIMAGE1DPROC) get_proc("glTexImage1D"); + gl3wTexImage2D = (PFNGLTEXIMAGE2DPROC) get_proc("glTexImage2D"); + gl3wDrawBuffer = (PFNGLDRAWBUFFERPROC) get_proc("glDrawBuffer"); + gl3wClear = (PFNGLCLEARPROC) get_proc("glClear"); + gl3wClearColor = (PFNGLCLEARCOLORPROC) get_proc("glClearColor"); + gl3wClearStencil = (PFNGLCLEARSTENCILPROC) get_proc("glClearStencil"); + gl3wClearDepth = (PFNGLCLEARDEPTHPROC) get_proc("glClearDepth"); + gl3wStencilMask = (PFNGLSTENCILMASKPROC) get_proc("glStencilMask"); + gl3wColorMask = (PFNGLCOLORMASKPROC) get_proc("glColorMask"); + gl3wDepthMask = (PFNGLDEPTHMASKPROC) get_proc("glDepthMask"); + gl3wDisable = (PFNGLDISABLEPROC) get_proc("glDisable"); + gl3wEnable = (PFNGLENABLEPROC) get_proc("glEnable"); + gl3wFinish = (PFNGLFINISHPROC) get_proc("glFinish"); + gl3wFlush = (PFNGLFLUSHPROC) get_proc("glFlush"); + gl3wBlendFunc = (PFNGLBLENDFUNCPROC) get_proc("glBlendFunc"); + gl3wLogicOp = (PFNGLLOGICOPPROC) get_proc("glLogicOp"); + gl3wStencilFunc = (PFNGLSTENCILFUNCPROC) get_proc("glStencilFunc"); + gl3wStencilOp = (PFNGLSTENCILOPPROC) get_proc("glStencilOp"); + gl3wDepthFunc = (PFNGLDEPTHFUNCPROC) get_proc("glDepthFunc"); + gl3wPixelStoref = (PFNGLPIXELSTOREFPROC) get_proc("glPixelStoref"); + gl3wPixelStorei = (PFNGLPIXELSTOREIPROC) get_proc("glPixelStorei"); + gl3wReadBuffer = (PFNGLREADBUFFERPROC) get_proc("glReadBuffer"); + gl3wReadPixels = (PFNGLREADPIXELSPROC) get_proc("glReadPixels"); + gl3wGetBooleanv = (PFNGLGETBOOLEANVPROC) get_proc("glGetBooleanv"); + gl3wGetDoublev = (PFNGLGETDOUBLEVPROC) get_proc("glGetDoublev"); + gl3wGetError = (PFNGLGETERRORPROC) get_proc("glGetError"); + gl3wGetFloatv = (PFNGLGETFLOATVPROC) get_proc("glGetFloatv"); + gl3wGetIntegerv = (PFNGLGETINTEGERVPROC) get_proc("glGetIntegerv"); + gl3wGetString = (PFNGLGETSTRINGPROC) get_proc("glGetString"); + gl3wGetTexImage = (PFNGLGETTEXIMAGEPROC) get_proc("glGetTexImage"); + gl3wGetTexParameterfv = (PFNGLGETTEXPARAMETERFVPROC) get_proc("glGetTexParameterfv"); + gl3wGetTexParameteriv = (PFNGLGETTEXPARAMETERIVPROC) get_proc("glGetTexParameteriv"); + gl3wGetTexLevelParameterfv = (PFNGLGETTEXLEVELPARAMETERFVPROC) get_proc("glGetTexLevelParameterfv"); + gl3wGetTexLevelParameteriv = (PFNGLGETTEXLEVELPARAMETERIVPROC) get_proc("glGetTexLevelParameteriv"); + gl3wIsEnabled = (PFNGLISENABLEDPROC) get_proc("glIsEnabled"); + gl3wDepthRange = (PFNGLDEPTHRANGEPROC) get_proc("glDepthRange"); + gl3wViewport = (PFNGLVIEWPORTPROC) get_proc("glViewport"); + gl3wDrawArrays = (PFNGLDRAWARRAYSPROC) get_proc("glDrawArrays"); + gl3wDrawElements = (PFNGLDRAWELEMENTSPROC) get_proc("glDrawElements"); + gl3wGetPointerv = (PFNGLGETPOINTERVPROC) get_proc("glGetPointerv"); + gl3wPolygonOffset = (PFNGLPOLYGONOFFSETPROC) get_proc("glPolygonOffset"); + gl3wCopyTexImage1D = (PFNGLCOPYTEXIMAGE1DPROC) get_proc("glCopyTexImage1D"); + gl3wCopyTexImage2D = (PFNGLCOPYTEXIMAGE2DPROC) get_proc("glCopyTexImage2D"); + gl3wCopyTexSubImage1D = (PFNGLCOPYTEXSUBIMAGE1DPROC) get_proc("glCopyTexSubImage1D"); + gl3wCopyTexSubImage2D = (PFNGLCOPYTEXSUBIMAGE2DPROC) get_proc("glCopyTexSubImage2D"); + gl3wTexSubImage1D = (PFNGLTEXSUBIMAGE1DPROC) get_proc("glTexSubImage1D"); + gl3wTexSubImage2D = (PFNGLTEXSUBIMAGE2DPROC) get_proc("glTexSubImage2D"); + gl3wBindTexture = (PFNGLBINDTEXTUREPROC) get_proc("glBindTexture"); + gl3wDeleteTextures = (PFNGLDELETETEXTURESPROC) get_proc("glDeleteTextures"); + gl3wGenTextures = (PFNGLGENTEXTURESPROC) get_proc("glGenTextures"); + gl3wIsTexture = (PFNGLISTEXTUREPROC) get_proc("glIsTexture"); + gl3wBlendColor = (PFNGLBLENDCOLORPROC) get_proc("glBlendColor"); + gl3wBlendEquation = (PFNGLBLENDEQUATIONPROC) get_proc("glBlendEquation"); + gl3wDrawRangeElements = (PFNGLDRAWRANGEELEMENTSPROC) get_proc("glDrawRangeElements"); + gl3wTexImage3D = (PFNGLTEXIMAGE3DPROC) get_proc("glTexImage3D"); + gl3wTexSubImage3D = (PFNGLTEXSUBIMAGE3DPROC) get_proc("glTexSubImage3D"); + gl3wCopyTexSubImage3D = (PFNGLCOPYTEXSUBIMAGE3DPROC) get_proc("glCopyTexSubImage3D"); + gl3wActiveTexture = (PFNGLACTIVETEXTUREPROC) get_proc("glActiveTexture"); + gl3wSampleCoverage = (PFNGLSAMPLECOVERAGEPROC) get_proc("glSampleCoverage"); + gl3wCompressedTexImage3D = (PFNGLCOMPRESSEDTEXIMAGE3DPROC) get_proc("glCompressedTexImage3D"); + gl3wCompressedTexImage2D = (PFNGLCOMPRESSEDTEXIMAGE2DPROC) get_proc("glCompressedTexImage2D"); + gl3wCompressedTexImage1D = (PFNGLCOMPRESSEDTEXIMAGE1DPROC) get_proc("glCompressedTexImage1D"); + gl3wCompressedTexSubImage3D = (PFNGLCOMPRESSEDTEXSUBIMAGE3DPROC) get_proc("glCompressedTexSubImage3D"); + gl3wCompressedTexSubImage2D = (PFNGLCOMPRESSEDTEXSUBIMAGE2DPROC) get_proc("glCompressedTexSubImage2D"); + gl3wCompressedTexSubImage1D = (PFNGLCOMPRESSEDTEXSUBIMAGE1DPROC) get_proc("glCompressedTexSubImage1D"); + gl3wGetCompressedTexImage = (PFNGLGETCOMPRESSEDTEXIMAGEPROC) get_proc("glGetCompressedTexImage"); + gl3wBlendFuncSeparate = (PFNGLBLENDFUNCSEPARATEPROC) get_proc("glBlendFuncSeparate"); + gl3wMultiDrawArrays = (PFNGLMULTIDRAWARRAYSPROC) get_proc("glMultiDrawArrays"); + gl3wMultiDrawElements = (PFNGLMULTIDRAWELEMENTSPROC) get_proc("glMultiDrawElements"); + gl3wPointParameterf = (PFNGLPOINTPARAMETERFPROC) get_proc("glPointParameterf"); + gl3wPointParameterfv = (PFNGLPOINTPARAMETERFVPROC) get_proc("glPointParameterfv"); + gl3wPointParameteri = (PFNGLPOINTPARAMETERIPROC) get_proc("glPointParameteri"); + gl3wPointParameteriv = (PFNGLPOINTPARAMETERIVPROC) get_proc("glPointParameteriv"); + gl3wGenQueries = (PFNGLGENQUERIESPROC) get_proc("glGenQueries"); + gl3wDeleteQueries = (PFNGLDELETEQUERIESPROC) get_proc("glDeleteQueries"); + gl3wIsQuery = (PFNGLISQUERYPROC) get_proc("glIsQuery"); + gl3wBeginQuery = (PFNGLBEGINQUERYPROC) get_proc("glBeginQuery"); + gl3wEndQuery = (PFNGLENDQUERYPROC) get_proc("glEndQuery"); + gl3wGetQueryiv = (PFNGLGETQUERYIVPROC) get_proc("glGetQueryiv"); + gl3wGetQueryObjectiv = (PFNGLGETQUERYOBJECTIVPROC) get_proc("glGetQueryObjectiv"); + gl3wGetQueryObjectuiv = (PFNGLGETQUERYOBJECTUIVPROC) get_proc("glGetQueryObjectuiv"); + gl3wBindBuffer = (PFNGLBINDBUFFERPROC) get_proc("glBindBuffer"); + gl3wDeleteBuffers = (PFNGLDELETEBUFFERSPROC) get_proc("glDeleteBuffers"); + gl3wGenBuffers = (PFNGLGENBUFFERSPROC) get_proc("glGenBuffers"); + gl3wIsBuffer = (PFNGLISBUFFERPROC) get_proc("glIsBuffer"); + gl3wBufferData = (PFNGLBUFFERDATAPROC) get_proc("glBufferData"); + gl3wBufferSubData = (PFNGLBUFFERSUBDATAPROC) get_proc("glBufferSubData"); + gl3wGetBufferSubData = (PFNGLGETBUFFERSUBDATAPROC) get_proc("glGetBufferSubData"); + gl3wMapBuffer = (PFNGLMAPBUFFERPROC) get_proc("glMapBuffer"); + gl3wUnmapBuffer = (PFNGLUNMAPBUFFERPROC) get_proc("glUnmapBuffer"); + gl3wGetBufferParameteriv = (PFNGLGETBUFFERPARAMETERIVPROC) get_proc("glGetBufferParameteriv"); + gl3wGetBufferPointerv = (PFNGLGETBUFFERPOINTERVPROC) get_proc("glGetBufferPointerv"); + gl3wBlendEquationSeparate = (PFNGLBLENDEQUATIONSEPARATEPROC) get_proc("glBlendEquationSeparate"); + gl3wDrawBuffers = (PFNGLDRAWBUFFERSPROC) get_proc("glDrawBuffers"); + gl3wStencilOpSeparate = (PFNGLSTENCILOPSEPARATEPROC) get_proc("glStencilOpSeparate"); + gl3wStencilFuncSeparate = (PFNGLSTENCILFUNCSEPARATEPROC) get_proc("glStencilFuncSeparate"); + gl3wStencilMaskSeparate = (PFNGLSTENCILMASKSEPARATEPROC) get_proc("glStencilMaskSeparate"); + gl3wAttachShader = (PFNGLATTACHSHADERPROC) get_proc("glAttachShader"); + gl3wBindAttribLocation = (PFNGLBINDATTRIBLOCATIONPROC) get_proc("glBindAttribLocation"); + gl3wCompileShader = (PFNGLCOMPILESHADERPROC) get_proc("glCompileShader"); + gl3wCreateProgram = (PFNGLCREATEPROGRAMPROC) get_proc("glCreateProgram"); + gl3wCreateShader = (PFNGLCREATESHADERPROC) get_proc("glCreateShader"); + gl3wDeleteProgram = (PFNGLDELETEPROGRAMPROC) get_proc("glDeleteProgram"); + gl3wDeleteShader = (PFNGLDELETESHADERPROC) get_proc("glDeleteShader"); + gl3wDetachShader = (PFNGLDETACHSHADERPROC) get_proc("glDetachShader"); + gl3wDisableVertexAttribArray = (PFNGLDISABLEVERTEXATTRIBARRAYPROC) get_proc("glDisableVertexAttribArray"); + gl3wEnableVertexAttribArray = (PFNGLENABLEVERTEXATTRIBARRAYPROC) get_proc("glEnableVertexAttribArray"); + gl3wGetActiveAttrib = (PFNGLGETACTIVEATTRIBPROC) get_proc("glGetActiveAttrib"); + gl3wGetActiveUniform = (PFNGLGETACTIVEUNIFORMPROC) get_proc("glGetActiveUniform"); + gl3wGetAttachedShaders = (PFNGLGETATTACHEDSHADERSPROC) get_proc("glGetAttachedShaders"); + gl3wGetAttribLocation = (PFNGLGETATTRIBLOCATIONPROC) get_proc("glGetAttribLocation"); + gl3wGetProgramiv = (PFNGLGETPROGRAMIVPROC) get_proc("glGetProgramiv"); + gl3wGetProgramInfoLog = (PFNGLGETPROGRAMINFOLOGPROC) get_proc("glGetProgramInfoLog"); + gl3wGetShaderiv = (PFNGLGETSHADERIVPROC) get_proc("glGetShaderiv"); + gl3wGetShaderInfoLog = (PFNGLGETSHADERINFOLOGPROC) get_proc("glGetShaderInfoLog"); + gl3wGetShaderSource = (PFNGLGETSHADERSOURCEPROC) get_proc("glGetShaderSource"); + gl3wGetUniformLocation = (PFNGLGETUNIFORMLOCATIONPROC) get_proc("glGetUniformLocation"); + gl3wGetUniformfv = (PFNGLGETUNIFORMFVPROC) get_proc("glGetUniformfv"); + gl3wGetUniformiv = (PFNGLGETUNIFORMIVPROC) get_proc("glGetUniformiv"); + gl3wGetVertexAttribdv = (PFNGLGETVERTEXATTRIBDVPROC) get_proc("glGetVertexAttribdv"); + gl3wGetVertexAttribfv = (PFNGLGETVERTEXATTRIBFVPROC) get_proc("glGetVertexAttribfv"); + gl3wGetVertexAttribiv = (PFNGLGETVERTEXATTRIBIVPROC) get_proc("glGetVertexAttribiv"); + gl3wGetVertexAttribPointerv = (PFNGLGETVERTEXATTRIBPOINTERVPROC) get_proc("glGetVertexAttribPointerv"); + gl3wIsProgram = (PFNGLISPROGRAMPROC) get_proc("glIsProgram"); + gl3wIsShader = (PFNGLISSHADERPROC) get_proc("glIsShader"); + gl3wLinkProgram = (PFNGLLINKPROGRAMPROC) get_proc("glLinkProgram"); + gl3wShaderSource = (PFNGLSHADERSOURCEPROC) get_proc("glShaderSource"); + gl3wUseProgram = (PFNGLUSEPROGRAMPROC) get_proc("glUseProgram"); + gl3wUniform1f = (PFNGLUNIFORM1FPROC) get_proc("glUniform1f"); + gl3wUniform2f = (PFNGLUNIFORM2FPROC) get_proc("glUniform2f"); + gl3wUniform3f = (PFNGLUNIFORM3FPROC) get_proc("glUniform3f"); + gl3wUniform4f = (PFNGLUNIFORM4FPROC) get_proc("glUniform4f"); + gl3wUniform1i = (PFNGLUNIFORM1IPROC) get_proc("glUniform1i"); + gl3wUniform2i = (PFNGLUNIFORM2IPROC) get_proc("glUniform2i"); + gl3wUniform3i = (PFNGLUNIFORM3IPROC) get_proc("glUniform3i"); + gl3wUniform4i = (PFNGLUNIFORM4IPROC) get_proc("glUniform4i"); + gl3wUniform1fv = (PFNGLUNIFORM1FVPROC) get_proc("glUniform1fv"); + gl3wUniform2fv = (PFNGLUNIFORM2FVPROC) get_proc("glUniform2fv"); + gl3wUniform3fv = (PFNGLUNIFORM3FVPROC) get_proc("glUniform3fv"); + gl3wUniform4fv = (PFNGLUNIFORM4FVPROC) get_proc("glUniform4fv"); + gl3wUniform1iv = (PFNGLUNIFORM1IVPROC) get_proc("glUniform1iv"); + gl3wUniform2iv = (PFNGLUNIFORM2IVPROC) get_proc("glUniform2iv"); + gl3wUniform3iv = (PFNGLUNIFORM3IVPROC) get_proc("glUniform3iv"); + gl3wUniform4iv = (PFNGLUNIFORM4IVPROC) get_proc("glUniform4iv"); + gl3wUniformMatrix2fv = (PFNGLUNIFORMMATRIX2FVPROC) get_proc("glUniformMatrix2fv"); + gl3wUniformMatrix3fv = (PFNGLUNIFORMMATRIX3FVPROC) get_proc("glUniformMatrix3fv"); + gl3wUniformMatrix4fv = (PFNGLUNIFORMMATRIX4FVPROC) get_proc("glUniformMatrix4fv"); + gl3wValidateProgram = (PFNGLVALIDATEPROGRAMPROC) get_proc("glValidateProgram"); + gl3wVertexAttrib1d = (PFNGLVERTEXATTRIB1DPROC) get_proc("glVertexAttrib1d"); + gl3wVertexAttrib1dv = (PFNGLVERTEXATTRIB1DVPROC) get_proc("glVertexAttrib1dv"); + gl3wVertexAttrib1f = (PFNGLVERTEXATTRIB1FPROC) get_proc("glVertexAttrib1f"); + gl3wVertexAttrib1fv = (PFNGLVERTEXATTRIB1FVPROC) get_proc("glVertexAttrib1fv"); + gl3wVertexAttrib1s = (PFNGLVERTEXATTRIB1SPROC) get_proc("glVertexAttrib1s"); + gl3wVertexAttrib1sv = (PFNGLVERTEXATTRIB1SVPROC) get_proc("glVertexAttrib1sv"); + gl3wVertexAttrib2d = (PFNGLVERTEXATTRIB2DPROC) get_proc("glVertexAttrib2d"); + gl3wVertexAttrib2dv = (PFNGLVERTEXATTRIB2DVPROC) get_proc("glVertexAttrib2dv"); + gl3wVertexAttrib2f = (PFNGLVERTEXATTRIB2FPROC) get_proc("glVertexAttrib2f"); + gl3wVertexAttrib2fv = (PFNGLVERTEXATTRIB2FVPROC) get_proc("glVertexAttrib2fv"); + gl3wVertexAttrib2s = (PFNGLVERTEXATTRIB2SPROC) get_proc("glVertexAttrib2s"); + gl3wVertexAttrib2sv = (PFNGLVERTEXATTRIB2SVPROC) get_proc("glVertexAttrib2sv"); + gl3wVertexAttrib3d = (PFNGLVERTEXATTRIB3DPROC) get_proc("glVertexAttrib3d"); + gl3wVertexAttrib3dv = (PFNGLVERTEXATTRIB3DVPROC) get_proc("glVertexAttrib3dv"); + gl3wVertexAttrib3f = (PFNGLVERTEXATTRIB3FPROC) get_proc("glVertexAttrib3f"); + gl3wVertexAttrib3fv = (PFNGLVERTEXATTRIB3FVPROC) get_proc("glVertexAttrib3fv"); + gl3wVertexAttrib3s = (PFNGLVERTEXATTRIB3SPROC) get_proc("glVertexAttrib3s"); + gl3wVertexAttrib3sv = (PFNGLVERTEXATTRIB3SVPROC) get_proc("glVertexAttrib3sv"); + gl3wVertexAttrib4Nbv = (PFNGLVERTEXATTRIB4NBVPROC) get_proc("glVertexAttrib4Nbv"); + gl3wVertexAttrib4Niv = (PFNGLVERTEXATTRIB4NIVPROC) get_proc("glVertexAttrib4Niv"); + gl3wVertexAttrib4Nsv = (PFNGLVERTEXATTRIB4NSVPROC) get_proc("glVertexAttrib4Nsv"); + gl3wVertexAttrib4Nub = (PFNGLVERTEXATTRIB4NUBPROC) get_proc("glVertexAttrib4Nub"); + gl3wVertexAttrib4Nubv = (PFNGLVERTEXATTRIB4NUBVPROC) get_proc("glVertexAttrib4Nubv"); + gl3wVertexAttrib4Nuiv = (PFNGLVERTEXATTRIB4NUIVPROC) get_proc("glVertexAttrib4Nuiv"); + gl3wVertexAttrib4Nusv = (PFNGLVERTEXATTRIB4NUSVPROC) get_proc("glVertexAttrib4Nusv"); + gl3wVertexAttrib4bv = (PFNGLVERTEXATTRIB4BVPROC) get_proc("glVertexAttrib4bv"); + gl3wVertexAttrib4d = (PFNGLVERTEXATTRIB4DPROC) get_proc("glVertexAttrib4d"); + gl3wVertexAttrib4dv = (PFNGLVERTEXATTRIB4DVPROC) get_proc("glVertexAttrib4dv"); + gl3wVertexAttrib4f = (PFNGLVERTEXATTRIB4FPROC) get_proc("glVertexAttrib4f"); + gl3wVertexAttrib4fv = (PFNGLVERTEXATTRIB4FVPROC) get_proc("glVertexAttrib4fv"); + gl3wVertexAttrib4iv = (PFNGLVERTEXATTRIB4IVPROC) get_proc("glVertexAttrib4iv"); + gl3wVertexAttrib4s = (PFNGLVERTEXATTRIB4SPROC) get_proc("glVertexAttrib4s"); + gl3wVertexAttrib4sv = (PFNGLVERTEXATTRIB4SVPROC) get_proc("glVertexAttrib4sv"); + gl3wVertexAttrib4ubv = (PFNGLVERTEXATTRIB4UBVPROC) get_proc("glVertexAttrib4ubv"); + gl3wVertexAttrib4uiv = (PFNGLVERTEXATTRIB4UIVPROC) get_proc("glVertexAttrib4uiv"); + gl3wVertexAttrib4usv = (PFNGLVERTEXATTRIB4USVPROC) get_proc("glVertexAttrib4usv"); + gl3wVertexAttribPointer = (PFNGLVERTEXATTRIBPOINTERPROC) get_proc("glVertexAttribPointer"); + gl3wUniformMatrix2x3fv = (PFNGLUNIFORMMATRIX2X3FVPROC) get_proc("glUniformMatrix2x3fv"); + gl3wUniformMatrix3x2fv = (PFNGLUNIFORMMATRIX3X2FVPROC) get_proc("glUniformMatrix3x2fv"); + gl3wUniformMatrix2x4fv = (PFNGLUNIFORMMATRIX2X4FVPROC) get_proc("glUniformMatrix2x4fv"); + gl3wUniformMatrix4x2fv = (PFNGLUNIFORMMATRIX4X2FVPROC) get_proc("glUniformMatrix4x2fv"); + gl3wUniformMatrix3x4fv = (PFNGLUNIFORMMATRIX3X4FVPROC) get_proc("glUniformMatrix3x4fv"); + gl3wUniformMatrix4x3fv = (PFNGLUNIFORMMATRIX4X3FVPROC) get_proc("glUniformMatrix4x3fv"); + gl3wColorMaski = (PFNGLCOLORMASKIPROC) get_proc("glColorMaski"); + gl3wGetBooleani_v = (PFNGLGETBOOLEANI_VPROC) get_proc("glGetBooleani_v"); + gl3wGetIntegeri_v = (PFNGLGETINTEGERI_VPROC) get_proc("glGetIntegeri_v"); + gl3wEnablei = (PFNGLENABLEIPROC) get_proc("glEnablei"); + gl3wDisablei = (PFNGLDISABLEIPROC) get_proc("glDisablei"); + gl3wIsEnabledi = (PFNGLISENABLEDIPROC) get_proc("glIsEnabledi"); + gl3wBeginTransformFeedback = (PFNGLBEGINTRANSFORMFEEDBACKPROC) get_proc("glBeginTransformFeedback"); + gl3wEndTransformFeedback = (PFNGLENDTRANSFORMFEEDBACKPROC) get_proc("glEndTransformFeedback"); + gl3wBindBufferRange = (PFNGLBINDBUFFERRANGEPROC) get_proc("glBindBufferRange"); + gl3wBindBufferBase = (PFNGLBINDBUFFERBASEPROC) get_proc("glBindBufferBase"); + gl3wTransformFeedbackVaryings = (PFNGLTRANSFORMFEEDBACKVARYINGSPROC) get_proc("glTransformFeedbackVaryings"); + gl3wGetTransformFeedbackVarying = (PFNGLGETTRANSFORMFEEDBACKVARYINGPROC) get_proc("glGetTransformFeedbackVarying"); + gl3wClampColor = (PFNGLCLAMPCOLORPROC) get_proc("glClampColor"); + gl3wBeginConditionalRender = (PFNGLBEGINCONDITIONALRENDERPROC) get_proc("glBeginConditionalRender"); + gl3wEndConditionalRender = (PFNGLENDCONDITIONALRENDERPROC) get_proc("glEndConditionalRender"); + gl3wVertexAttribIPointer = (PFNGLVERTEXATTRIBIPOINTERPROC) get_proc("glVertexAttribIPointer"); + gl3wGetVertexAttribIiv = (PFNGLGETVERTEXATTRIBIIVPROC) get_proc("glGetVertexAttribIiv"); + gl3wGetVertexAttribIuiv = (PFNGLGETVERTEXATTRIBIUIVPROC) get_proc("glGetVertexAttribIuiv"); + gl3wVertexAttribI1i = (PFNGLVERTEXATTRIBI1IPROC) get_proc("glVertexAttribI1i"); + gl3wVertexAttribI2i = (PFNGLVERTEXATTRIBI2IPROC) get_proc("glVertexAttribI2i"); + gl3wVertexAttribI3i = (PFNGLVERTEXATTRIBI3IPROC) get_proc("glVertexAttribI3i"); + gl3wVertexAttribI4i = (PFNGLVERTEXATTRIBI4IPROC) get_proc("glVertexAttribI4i"); + gl3wVertexAttribI1ui = (PFNGLVERTEXATTRIBI1UIPROC) get_proc("glVertexAttribI1ui"); + gl3wVertexAttribI2ui = (PFNGLVERTEXATTRIBI2UIPROC) get_proc("glVertexAttribI2ui"); + gl3wVertexAttribI3ui = (PFNGLVERTEXATTRIBI3UIPROC) get_proc("glVertexAttribI3ui"); + gl3wVertexAttribI4ui = (PFNGLVERTEXATTRIBI4UIPROC) get_proc("glVertexAttribI4ui"); + gl3wVertexAttribI1iv = (PFNGLVERTEXATTRIBI1IVPROC) get_proc("glVertexAttribI1iv"); + gl3wVertexAttribI2iv = (PFNGLVERTEXATTRIBI2IVPROC) get_proc("glVertexAttribI2iv"); + gl3wVertexAttribI3iv = (PFNGLVERTEXATTRIBI3IVPROC) get_proc("glVertexAttribI3iv"); + gl3wVertexAttribI4iv = (PFNGLVERTEXATTRIBI4IVPROC) get_proc("glVertexAttribI4iv"); + gl3wVertexAttribI1uiv = (PFNGLVERTEXATTRIBI1UIVPROC) get_proc("glVertexAttribI1uiv"); + gl3wVertexAttribI2uiv = (PFNGLVERTEXATTRIBI2UIVPROC) get_proc("glVertexAttribI2uiv"); + gl3wVertexAttribI3uiv = (PFNGLVERTEXATTRIBI3UIVPROC) get_proc("glVertexAttribI3uiv"); + gl3wVertexAttribI4uiv = (PFNGLVERTEXATTRIBI4UIVPROC) get_proc("glVertexAttribI4uiv"); + gl3wVertexAttribI4bv = (PFNGLVERTEXATTRIBI4BVPROC) get_proc("glVertexAttribI4bv"); + gl3wVertexAttribI4sv = (PFNGLVERTEXATTRIBI4SVPROC) get_proc("glVertexAttribI4sv"); + gl3wVertexAttribI4ubv = (PFNGLVERTEXATTRIBI4UBVPROC) get_proc("glVertexAttribI4ubv"); + gl3wVertexAttribI4usv = (PFNGLVERTEXATTRIBI4USVPROC) get_proc("glVertexAttribI4usv"); + gl3wGetUniformuiv = (PFNGLGETUNIFORMUIVPROC) get_proc("glGetUniformuiv"); + gl3wBindFragDataLocation = (PFNGLBINDFRAGDATALOCATIONPROC) get_proc("glBindFragDataLocation"); + gl3wGetFragDataLocation = (PFNGLGETFRAGDATALOCATIONPROC) get_proc("glGetFragDataLocation"); + gl3wUniform1ui = (PFNGLUNIFORM1UIPROC) get_proc("glUniform1ui"); + gl3wUniform2ui = (PFNGLUNIFORM2UIPROC) get_proc("glUniform2ui"); + gl3wUniform3ui = (PFNGLUNIFORM3UIPROC) get_proc("glUniform3ui"); + gl3wUniform4ui = (PFNGLUNIFORM4UIPROC) get_proc("glUniform4ui"); + gl3wUniform1uiv = (PFNGLUNIFORM1UIVPROC) get_proc("glUniform1uiv"); + gl3wUniform2uiv = (PFNGLUNIFORM2UIVPROC) get_proc("glUniform2uiv"); + gl3wUniform3uiv = (PFNGLUNIFORM3UIVPROC) get_proc("glUniform3uiv"); + gl3wUniform4uiv = (PFNGLUNIFORM4UIVPROC) get_proc("glUniform4uiv"); + gl3wTexParameterIiv = (PFNGLTEXPARAMETERIIVPROC) get_proc("glTexParameterIiv"); + gl3wTexParameterIuiv = (PFNGLTEXPARAMETERIUIVPROC) get_proc("glTexParameterIuiv"); + gl3wGetTexParameterIiv = (PFNGLGETTEXPARAMETERIIVPROC) get_proc("glGetTexParameterIiv"); + gl3wGetTexParameterIuiv = (PFNGLGETTEXPARAMETERIUIVPROC) get_proc("glGetTexParameterIuiv"); + gl3wClearBufferiv = (PFNGLCLEARBUFFERIVPROC) get_proc("glClearBufferiv"); + gl3wClearBufferuiv = (PFNGLCLEARBUFFERUIVPROC) get_proc("glClearBufferuiv"); + gl3wClearBufferfv = (PFNGLCLEARBUFFERFVPROC) get_proc("glClearBufferfv"); + gl3wClearBufferfi = (PFNGLCLEARBUFFERFIPROC) get_proc("glClearBufferfi"); + gl3wGetStringi = (PFNGLGETSTRINGIPROC) get_proc("glGetStringi"); + gl3wDrawArraysInstanced = (PFNGLDRAWARRAYSINSTANCEDPROC) get_proc("glDrawArraysInstanced"); + gl3wDrawElementsInstanced = (PFNGLDRAWELEMENTSINSTANCEDPROC) get_proc("glDrawElementsInstanced"); + gl3wTexBuffer = (PFNGLTEXBUFFERPROC) get_proc("glTexBuffer"); + gl3wPrimitiveRestartIndex = (PFNGLPRIMITIVERESTARTINDEXPROC) get_proc("glPrimitiveRestartIndex"); + gl3wGetInteger64i_v = (PFNGLGETINTEGER64I_VPROC) get_proc("glGetInteger64i_v"); + gl3wGetBufferParameteri64v = (PFNGLGETBUFFERPARAMETERI64VPROC) get_proc("glGetBufferParameteri64v"); + gl3wFramebufferTexture = (PFNGLFRAMEBUFFERTEXTUREPROC) get_proc("glFramebufferTexture"); + gl3wVertexAttribDivisor = (PFNGLVERTEXATTRIBDIVISORPROC) get_proc("glVertexAttribDivisor"); + gl3wMinSampleShading = (PFNGLMINSAMPLESHADINGPROC) get_proc("glMinSampleShading"); + gl3wBlendEquationi = (PFNGLBLENDEQUATIONIPROC) get_proc("glBlendEquationi"); + gl3wBlendEquationSeparatei = (PFNGLBLENDEQUATIONSEPARATEIPROC) get_proc("glBlendEquationSeparatei"); + gl3wBlendFunci = (PFNGLBLENDFUNCIPROC) get_proc("glBlendFunci"); + gl3wBlendFuncSeparatei = (PFNGLBLENDFUNCSEPARATEIPROC) get_proc("glBlendFuncSeparatei"); + gl3wIsRenderbuffer = (PFNGLISRENDERBUFFERPROC) get_proc("glIsRenderbuffer"); + gl3wBindRenderbuffer = (PFNGLBINDRENDERBUFFERPROC) get_proc("glBindRenderbuffer"); + gl3wDeleteRenderbuffers = (PFNGLDELETERENDERBUFFERSPROC) get_proc("glDeleteRenderbuffers"); + gl3wGenRenderbuffers = (PFNGLGENRENDERBUFFERSPROC) get_proc("glGenRenderbuffers"); + gl3wRenderbufferStorage = (PFNGLRENDERBUFFERSTORAGEPROC) get_proc("glRenderbufferStorage"); + gl3wGetRenderbufferParameteriv = (PFNGLGETRENDERBUFFERPARAMETERIVPROC) get_proc("glGetRenderbufferParameteriv"); + gl3wIsFramebuffer = (PFNGLISFRAMEBUFFERPROC) get_proc("glIsFramebuffer"); + gl3wBindFramebuffer = (PFNGLBINDFRAMEBUFFERPROC) get_proc("glBindFramebuffer"); + gl3wDeleteFramebuffers = (PFNGLDELETEFRAMEBUFFERSPROC) get_proc("glDeleteFramebuffers"); + gl3wGenFramebuffers = (PFNGLGENFRAMEBUFFERSPROC) get_proc("glGenFramebuffers"); + gl3wCheckFramebufferStatus = (PFNGLCHECKFRAMEBUFFERSTATUSPROC) get_proc("glCheckFramebufferStatus"); + gl3wFramebufferTexture1D = (PFNGLFRAMEBUFFERTEXTURE1DPROC) get_proc("glFramebufferTexture1D"); + gl3wFramebufferTexture2D = (PFNGLFRAMEBUFFERTEXTURE2DPROC) get_proc("glFramebufferTexture2D"); + gl3wFramebufferTexture3D = (PFNGLFRAMEBUFFERTEXTURE3DPROC) get_proc("glFramebufferTexture3D"); + gl3wFramebufferRenderbuffer = (PFNGLFRAMEBUFFERRENDERBUFFERPROC) get_proc("glFramebufferRenderbuffer"); + gl3wGetFramebufferAttachmentParameteriv = (PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC) get_proc("glGetFramebufferAttachmentParameteriv"); + gl3wGenerateMipmap = (PFNGLGENERATEMIPMAPPROC) get_proc("glGenerateMipmap"); + gl3wBlitFramebuffer = (PFNGLBLITFRAMEBUFFERPROC) get_proc("glBlitFramebuffer"); + gl3wRenderbufferStorageMultisample = (PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC) get_proc("glRenderbufferStorageMultisample"); + gl3wFramebufferTextureLayer = (PFNGLFRAMEBUFFERTEXTURELAYERPROC) get_proc("glFramebufferTextureLayer"); + gl3wMapBufferRange = (PFNGLMAPBUFFERRANGEPROC) get_proc("glMapBufferRange"); + gl3wFlushMappedBufferRange = (PFNGLFLUSHMAPPEDBUFFERRANGEPROC) get_proc("glFlushMappedBufferRange"); + gl3wBindVertexArray = (PFNGLBINDVERTEXARRAYPROC) get_proc("glBindVertexArray"); + gl3wDeleteVertexArrays = (PFNGLDELETEVERTEXARRAYSPROC) get_proc("glDeleteVertexArrays"); + gl3wGenVertexArrays = (PFNGLGENVERTEXARRAYSPROC) get_proc("glGenVertexArrays"); + gl3wIsVertexArray = (PFNGLISVERTEXARRAYPROC) get_proc("glIsVertexArray"); + gl3wGetUniformIndices = (PFNGLGETUNIFORMINDICESPROC) get_proc("glGetUniformIndices"); + gl3wGetActiveUniformsiv = (PFNGLGETACTIVEUNIFORMSIVPROC) get_proc("glGetActiveUniformsiv"); + gl3wGetActiveUniformName = (PFNGLGETACTIVEUNIFORMNAMEPROC) get_proc("glGetActiveUniformName"); + gl3wGetUniformBlockIndex = (PFNGLGETUNIFORMBLOCKINDEXPROC) get_proc("glGetUniformBlockIndex"); + gl3wGetActiveUniformBlockiv = (PFNGLGETACTIVEUNIFORMBLOCKIVPROC) get_proc("glGetActiveUniformBlockiv"); + gl3wGetActiveUniformBlockName = (PFNGLGETACTIVEUNIFORMBLOCKNAMEPROC) get_proc("glGetActiveUniformBlockName"); + gl3wUniformBlockBinding = (PFNGLUNIFORMBLOCKBINDINGPROC) get_proc("glUniformBlockBinding"); + gl3wCopyBufferSubData = (PFNGLCOPYBUFFERSUBDATAPROC) get_proc("glCopyBufferSubData"); + gl3wDrawElementsBaseVertex = (PFNGLDRAWELEMENTSBASEVERTEXPROC) get_proc("glDrawElementsBaseVertex"); + gl3wDrawRangeElementsBaseVertex = (PFNGLDRAWRANGEELEMENTSBASEVERTEXPROC) get_proc("glDrawRangeElementsBaseVertex"); + gl3wDrawElementsInstancedBaseVertex = (PFNGLDRAWELEMENTSINSTANCEDBASEVERTEXPROC) get_proc("glDrawElementsInstancedBaseVertex"); + gl3wMultiDrawElementsBaseVertex = (PFNGLMULTIDRAWELEMENTSBASEVERTEXPROC) get_proc("glMultiDrawElementsBaseVertex"); + gl3wProvokingVertex = (PFNGLPROVOKINGVERTEXPROC) get_proc("glProvokingVertex"); + gl3wFenceSync = (PFNGLFENCESYNCPROC) get_proc("glFenceSync"); + gl3wIsSync = (PFNGLISSYNCPROC) get_proc("glIsSync"); + gl3wDeleteSync = (PFNGLDELETESYNCPROC) get_proc("glDeleteSync"); + gl3wClientWaitSync = (PFNGLCLIENTWAITSYNCPROC) get_proc("glClientWaitSync"); + gl3wWaitSync = (PFNGLWAITSYNCPROC) get_proc("glWaitSync"); + gl3wGetInteger64v = (PFNGLGETINTEGER64VPROC) get_proc("glGetInteger64v"); + gl3wGetSynciv = (PFNGLGETSYNCIVPROC) get_proc("glGetSynciv"); + gl3wTexImage2DMultisample = (PFNGLTEXIMAGE2DMULTISAMPLEPROC) get_proc("glTexImage2DMultisample"); + gl3wTexImage3DMultisample = (PFNGLTEXIMAGE3DMULTISAMPLEPROC) get_proc("glTexImage3DMultisample"); + gl3wGetMultisamplefv = (PFNGLGETMULTISAMPLEFVPROC) get_proc("glGetMultisamplefv"); + gl3wSampleMaski = (PFNGLSAMPLEMASKIPROC) get_proc("glSampleMaski"); + gl3wBlendEquationiARB = (PFNGLBLENDEQUATIONIARBPROC) get_proc("glBlendEquationiARB"); + gl3wBlendEquationSeparateiARB = (PFNGLBLENDEQUATIONSEPARATEIARBPROC) get_proc("glBlendEquationSeparateiARB"); + gl3wBlendFunciARB = (PFNGLBLENDFUNCIARBPROC) get_proc("glBlendFunciARB"); + gl3wBlendFuncSeparateiARB = (PFNGLBLENDFUNCSEPARATEIARBPROC) get_proc("glBlendFuncSeparateiARB"); + gl3wMinSampleShadingARB = (PFNGLMINSAMPLESHADINGARBPROC) get_proc("glMinSampleShadingARB"); + gl3wNamedStringARB = (PFNGLNAMEDSTRINGARBPROC) get_proc("glNamedStringARB"); + gl3wDeleteNamedStringARB = (PFNGLDELETENAMEDSTRINGARBPROC) get_proc("glDeleteNamedStringARB"); + gl3wCompileShaderIncludeARB = (PFNGLCOMPILESHADERINCLUDEARBPROC) get_proc("glCompileShaderIncludeARB"); + gl3wIsNamedStringARB = (PFNGLISNAMEDSTRINGARBPROC) get_proc("glIsNamedStringARB"); + gl3wGetNamedStringARB = (PFNGLGETNAMEDSTRINGARBPROC) get_proc("glGetNamedStringARB"); + gl3wGetNamedStringivARB = (PFNGLGETNAMEDSTRINGIVARBPROC) get_proc("glGetNamedStringivARB"); + gl3wBindFragDataLocationIndexed = (PFNGLBINDFRAGDATALOCATIONINDEXEDPROC) get_proc("glBindFragDataLocationIndexed"); + gl3wGetFragDataIndex = (PFNGLGETFRAGDATAINDEXPROC) get_proc("glGetFragDataIndex"); + gl3wGenSamplers = (PFNGLGENSAMPLERSPROC) get_proc("glGenSamplers"); + gl3wDeleteSamplers = (PFNGLDELETESAMPLERSPROC) get_proc("glDeleteSamplers"); + gl3wIsSampler = (PFNGLISSAMPLERPROC) get_proc("glIsSampler"); + gl3wBindSampler = (PFNGLBINDSAMPLERPROC) get_proc("glBindSampler"); + gl3wSamplerParameteri = (PFNGLSAMPLERPARAMETERIPROC) get_proc("glSamplerParameteri"); + gl3wSamplerParameteriv = (PFNGLSAMPLERPARAMETERIVPROC) get_proc("glSamplerParameteriv"); + gl3wSamplerParameterf = (PFNGLSAMPLERPARAMETERFPROC) get_proc("glSamplerParameterf"); + gl3wSamplerParameterfv = (PFNGLSAMPLERPARAMETERFVPROC) get_proc("glSamplerParameterfv"); + gl3wSamplerParameterIiv = (PFNGLSAMPLERPARAMETERIIVPROC) get_proc("glSamplerParameterIiv"); + gl3wSamplerParameterIuiv = (PFNGLSAMPLERPARAMETERIUIVPROC) get_proc("glSamplerParameterIuiv"); + gl3wGetSamplerParameteriv = (PFNGLGETSAMPLERPARAMETERIVPROC) get_proc("glGetSamplerParameteriv"); + gl3wGetSamplerParameterIiv = (PFNGLGETSAMPLERPARAMETERIIVPROC) get_proc("glGetSamplerParameterIiv"); + gl3wGetSamplerParameterfv = (PFNGLGETSAMPLERPARAMETERFVPROC) get_proc("glGetSamplerParameterfv"); + gl3wGetSamplerParameterIuiv = (PFNGLGETSAMPLERPARAMETERIUIVPROC) get_proc("glGetSamplerParameterIuiv"); + gl3wQueryCounter = (PFNGLQUERYCOUNTERPROC) get_proc("glQueryCounter"); + gl3wGetQueryObjecti64v = (PFNGLGETQUERYOBJECTI64VPROC) get_proc("glGetQueryObjecti64v"); + gl3wGetQueryObjectui64v = (PFNGLGETQUERYOBJECTUI64VPROC) get_proc("glGetQueryObjectui64v"); + gl3wVertexP2ui = (PFNGLVERTEXP2UIPROC) get_proc("glVertexP2ui"); + gl3wVertexP2uiv = (PFNGLVERTEXP2UIVPROC) get_proc("glVertexP2uiv"); + gl3wVertexP3ui = (PFNGLVERTEXP3UIPROC) get_proc("glVertexP3ui"); + gl3wVertexP3uiv = (PFNGLVERTEXP3UIVPROC) get_proc("glVertexP3uiv"); + gl3wVertexP4ui = (PFNGLVERTEXP4UIPROC) get_proc("glVertexP4ui"); + gl3wVertexP4uiv = (PFNGLVERTEXP4UIVPROC) get_proc("glVertexP4uiv"); + gl3wTexCoordP1ui = (PFNGLTEXCOORDP1UIPROC) get_proc("glTexCoordP1ui"); + gl3wTexCoordP1uiv = (PFNGLTEXCOORDP1UIVPROC) get_proc("glTexCoordP1uiv"); + gl3wTexCoordP2ui = (PFNGLTEXCOORDP2UIPROC) get_proc("glTexCoordP2ui"); + gl3wTexCoordP2uiv = (PFNGLTEXCOORDP2UIVPROC) get_proc("glTexCoordP2uiv"); + gl3wTexCoordP3ui = (PFNGLTEXCOORDP3UIPROC) get_proc("glTexCoordP3ui"); + gl3wTexCoordP3uiv = (PFNGLTEXCOORDP3UIVPROC) get_proc("glTexCoordP3uiv"); + gl3wTexCoordP4ui = (PFNGLTEXCOORDP4UIPROC) get_proc("glTexCoordP4ui"); + gl3wTexCoordP4uiv = (PFNGLTEXCOORDP4UIVPROC) get_proc("glTexCoordP4uiv"); + gl3wMultiTexCoordP1ui = (PFNGLMULTITEXCOORDP1UIPROC) get_proc("glMultiTexCoordP1ui"); + gl3wMultiTexCoordP1uiv = (PFNGLMULTITEXCOORDP1UIVPROC) get_proc("glMultiTexCoordP1uiv"); + gl3wMultiTexCoordP2ui = (PFNGLMULTITEXCOORDP2UIPROC) get_proc("glMultiTexCoordP2ui"); + gl3wMultiTexCoordP2uiv = (PFNGLMULTITEXCOORDP2UIVPROC) get_proc("glMultiTexCoordP2uiv"); + gl3wMultiTexCoordP3ui = (PFNGLMULTITEXCOORDP3UIPROC) get_proc("glMultiTexCoordP3ui"); + gl3wMultiTexCoordP3uiv = (PFNGLMULTITEXCOORDP3UIVPROC) get_proc("glMultiTexCoordP3uiv"); + gl3wMultiTexCoordP4ui = (PFNGLMULTITEXCOORDP4UIPROC) get_proc("glMultiTexCoordP4ui"); + gl3wMultiTexCoordP4uiv = (PFNGLMULTITEXCOORDP4UIVPROC) get_proc("glMultiTexCoordP4uiv"); + gl3wNormalP3ui = (PFNGLNORMALP3UIPROC) get_proc("glNormalP3ui"); + gl3wNormalP3uiv = (PFNGLNORMALP3UIVPROC) get_proc("glNormalP3uiv"); + gl3wColorP3ui = (PFNGLCOLORP3UIPROC) get_proc("glColorP3ui"); + gl3wColorP3uiv = (PFNGLCOLORP3UIVPROC) get_proc("glColorP3uiv"); + gl3wColorP4ui = (PFNGLCOLORP4UIPROC) get_proc("glColorP4ui"); + gl3wColorP4uiv = (PFNGLCOLORP4UIVPROC) get_proc("glColorP4uiv"); + gl3wSecondaryColorP3ui = (PFNGLSECONDARYCOLORP3UIPROC) get_proc("glSecondaryColorP3ui"); + gl3wSecondaryColorP3uiv = (PFNGLSECONDARYCOLORP3UIVPROC) get_proc("glSecondaryColorP3uiv"); + gl3wVertexAttribP1ui = (PFNGLVERTEXATTRIBP1UIPROC) get_proc("glVertexAttribP1ui"); + gl3wVertexAttribP1uiv = (PFNGLVERTEXATTRIBP1UIVPROC) get_proc("glVertexAttribP1uiv"); + gl3wVertexAttribP2ui = (PFNGLVERTEXATTRIBP2UIPROC) get_proc("glVertexAttribP2ui"); + gl3wVertexAttribP2uiv = (PFNGLVERTEXATTRIBP2UIVPROC) get_proc("glVertexAttribP2uiv"); + gl3wVertexAttribP3ui = (PFNGLVERTEXATTRIBP3UIPROC) get_proc("glVertexAttribP3ui"); + gl3wVertexAttribP3uiv = (PFNGLVERTEXATTRIBP3UIVPROC) get_proc("glVertexAttribP3uiv"); + gl3wVertexAttribP4ui = (PFNGLVERTEXATTRIBP4UIPROC) get_proc("glVertexAttribP4ui"); + gl3wVertexAttribP4uiv = (PFNGLVERTEXATTRIBP4UIVPROC) get_proc("glVertexAttribP4uiv"); + gl3wDrawArraysIndirect = (PFNGLDRAWARRAYSINDIRECTPROC) get_proc("glDrawArraysIndirect"); + gl3wDrawElementsIndirect = (PFNGLDRAWELEMENTSINDIRECTPROC) get_proc("glDrawElementsIndirect"); + gl3wUniform1d = (PFNGLUNIFORM1DPROC) get_proc("glUniform1d"); + gl3wUniform2d = (PFNGLUNIFORM2DPROC) get_proc("glUniform2d"); + gl3wUniform3d = (PFNGLUNIFORM3DPROC) get_proc("glUniform3d"); + gl3wUniform4d = (PFNGLUNIFORM4DPROC) get_proc("glUniform4d"); + gl3wUniform1dv = (PFNGLUNIFORM1DVPROC) get_proc("glUniform1dv"); + gl3wUniform2dv = (PFNGLUNIFORM2DVPROC) get_proc("glUniform2dv"); + gl3wUniform3dv = (PFNGLUNIFORM3DVPROC) get_proc("glUniform3dv"); + gl3wUniform4dv = (PFNGLUNIFORM4DVPROC) get_proc("glUniform4dv"); + gl3wUniformMatrix2dv = (PFNGLUNIFORMMATRIX2DVPROC) get_proc("glUniformMatrix2dv"); + gl3wUniformMatrix3dv = (PFNGLUNIFORMMATRIX3DVPROC) get_proc("glUniformMatrix3dv"); + gl3wUniformMatrix4dv = (PFNGLUNIFORMMATRIX4DVPROC) get_proc("glUniformMatrix4dv"); + gl3wUniformMatrix2x3dv = (PFNGLUNIFORMMATRIX2X3DVPROC) get_proc("glUniformMatrix2x3dv"); + gl3wUniformMatrix2x4dv = (PFNGLUNIFORMMATRIX2X4DVPROC) get_proc("glUniformMatrix2x4dv"); + gl3wUniformMatrix3x2dv = (PFNGLUNIFORMMATRIX3X2DVPROC) get_proc("glUniformMatrix3x2dv"); + gl3wUniformMatrix3x4dv = (PFNGLUNIFORMMATRIX3X4DVPROC) get_proc("glUniformMatrix3x4dv"); + gl3wUniformMatrix4x2dv = (PFNGLUNIFORMMATRIX4X2DVPROC) get_proc("glUniformMatrix4x2dv"); + gl3wUniformMatrix4x3dv = (PFNGLUNIFORMMATRIX4X3DVPROC) get_proc("glUniformMatrix4x3dv"); + gl3wGetUniformdv = (PFNGLGETUNIFORMDVPROC) get_proc("glGetUniformdv"); + gl3wGetSubroutineUniformLocation = (PFNGLGETSUBROUTINEUNIFORMLOCATIONPROC) get_proc("glGetSubroutineUniformLocation"); + gl3wGetSubroutineIndex = (PFNGLGETSUBROUTINEINDEXPROC) get_proc("glGetSubroutineIndex"); + gl3wGetActiveSubroutineUniformiv = (PFNGLGETACTIVESUBROUTINEUNIFORMIVPROC) get_proc("glGetActiveSubroutineUniformiv"); + gl3wGetActiveSubroutineUniformName = (PFNGLGETACTIVESUBROUTINEUNIFORMNAMEPROC) get_proc("glGetActiveSubroutineUniformName"); + gl3wGetActiveSubroutineName = (PFNGLGETACTIVESUBROUTINENAMEPROC) get_proc("glGetActiveSubroutineName"); + gl3wUniformSubroutinesuiv = (PFNGLUNIFORMSUBROUTINESUIVPROC) get_proc("glUniformSubroutinesuiv"); + gl3wGetUniformSubroutineuiv = (PFNGLGETUNIFORMSUBROUTINEUIVPROC) get_proc("glGetUniformSubroutineuiv"); + gl3wGetProgramStageiv = (PFNGLGETPROGRAMSTAGEIVPROC) get_proc("glGetProgramStageiv"); + gl3wPatchParameteri = (PFNGLPATCHPARAMETERIPROC) get_proc("glPatchParameteri"); + gl3wPatchParameterfv = (PFNGLPATCHPARAMETERFVPROC) get_proc("glPatchParameterfv"); + gl3wBindTransformFeedback = (PFNGLBINDTRANSFORMFEEDBACKPROC) get_proc("glBindTransformFeedback"); + gl3wDeleteTransformFeedbacks = (PFNGLDELETETRANSFORMFEEDBACKSPROC) get_proc("glDeleteTransformFeedbacks"); + gl3wGenTransformFeedbacks = (PFNGLGENTRANSFORMFEEDBACKSPROC) get_proc("glGenTransformFeedbacks"); + gl3wIsTransformFeedback = (PFNGLISTRANSFORMFEEDBACKPROC) get_proc("glIsTransformFeedback"); + gl3wPauseTransformFeedback = (PFNGLPAUSETRANSFORMFEEDBACKPROC) get_proc("glPauseTransformFeedback"); + gl3wResumeTransformFeedback = (PFNGLRESUMETRANSFORMFEEDBACKPROC) get_proc("glResumeTransformFeedback"); + gl3wDrawTransformFeedback = (PFNGLDRAWTRANSFORMFEEDBACKPROC) get_proc("glDrawTransformFeedback"); + gl3wDrawTransformFeedbackStream = (PFNGLDRAWTRANSFORMFEEDBACKSTREAMPROC) get_proc("glDrawTransformFeedbackStream"); + gl3wBeginQueryIndexed = (PFNGLBEGINQUERYINDEXEDPROC) get_proc("glBeginQueryIndexed"); + gl3wEndQueryIndexed = (PFNGLENDQUERYINDEXEDPROC) get_proc("glEndQueryIndexed"); + gl3wGetQueryIndexediv = (PFNGLGETQUERYINDEXEDIVPROC) get_proc("glGetQueryIndexediv"); + gl3wReleaseShaderCompiler = (PFNGLRELEASESHADERCOMPILERPROC) get_proc("glReleaseShaderCompiler"); + gl3wShaderBinary = (PFNGLSHADERBINARYPROC) get_proc("glShaderBinary"); + gl3wGetShaderPrecisionFormat = (PFNGLGETSHADERPRECISIONFORMATPROC) get_proc("glGetShaderPrecisionFormat"); + gl3wDepthRangef = (PFNGLDEPTHRANGEFPROC) get_proc("glDepthRangef"); + gl3wClearDepthf = (PFNGLCLEARDEPTHFPROC) get_proc("glClearDepthf"); + gl3wGetProgramBinary = (PFNGLGETPROGRAMBINARYPROC) get_proc("glGetProgramBinary"); + gl3wProgramBinary = (PFNGLPROGRAMBINARYPROC) get_proc("glProgramBinary"); + gl3wProgramParameteri = (PFNGLPROGRAMPARAMETERIPROC) get_proc("glProgramParameteri"); + gl3wUseProgramStages = (PFNGLUSEPROGRAMSTAGESPROC) get_proc("glUseProgramStages"); + gl3wActiveShaderProgram = (PFNGLACTIVESHADERPROGRAMPROC) get_proc("glActiveShaderProgram"); + gl3wCreateShaderProgramv = (PFNGLCREATESHADERPROGRAMVPROC) get_proc("glCreateShaderProgramv"); + gl3wBindProgramPipeline = (PFNGLBINDPROGRAMPIPELINEPROC) get_proc("glBindProgramPipeline"); + gl3wDeleteProgramPipelines = (PFNGLDELETEPROGRAMPIPELINESPROC) get_proc("glDeleteProgramPipelines"); + gl3wGenProgramPipelines = (PFNGLGENPROGRAMPIPELINESPROC) get_proc("glGenProgramPipelines"); + gl3wIsProgramPipeline = (PFNGLISPROGRAMPIPELINEPROC) get_proc("glIsProgramPipeline"); + gl3wGetProgramPipelineiv = (PFNGLGETPROGRAMPIPELINEIVPROC) get_proc("glGetProgramPipelineiv"); + gl3wProgramUniform1i = (PFNGLPROGRAMUNIFORM1IPROC) get_proc("glProgramUniform1i"); + gl3wProgramUniform1iv = (PFNGLPROGRAMUNIFORM1IVPROC) get_proc("glProgramUniform1iv"); + gl3wProgramUniform1f = (PFNGLPROGRAMUNIFORM1FPROC) get_proc("glProgramUniform1f"); + gl3wProgramUniform1fv = (PFNGLPROGRAMUNIFORM1FVPROC) get_proc("glProgramUniform1fv"); + gl3wProgramUniform1d = (PFNGLPROGRAMUNIFORM1DPROC) get_proc("glProgramUniform1d"); + gl3wProgramUniform1dv = (PFNGLPROGRAMUNIFORM1DVPROC) get_proc("glProgramUniform1dv"); + gl3wProgramUniform1ui = (PFNGLPROGRAMUNIFORM1UIPROC) get_proc("glProgramUniform1ui"); + gl3wProgramUniform1uiv = (PFNGLPROGRAMUNIFORM1UIVPROC) get_proc("glProgramUniform1uiv"); + gl3wProgramUniform2i = (PFNGLPROGRAMUNIFORM2IPROC) get_proc("glProgramUniform2i"); + gl3wProgramUniform2iv = (PFNGLPROGRAMUNIFORM2IVPROC) get_proc("glProgramUniform2iv"); + gl3wProgramUniform2f = (PFNGLPROGRAMUNIFORM2FPROC) get_proc("glProgramUniform2f"); + gl3wProgramUniform2fv = (PFNGLPROGRAMUNIFORM2FVPROC) get_proc("glProgramUniform2fv"); + gl3wProgramUniform2d = (PFNGLPROGRAMUNIFORM2DPROC) get_proc("glProgramUniform2d"); + gl3wProgramUniform2dv = (PFNGLPROGRAMUNIFORM2DVPROC) get_proc("glProgramUniform2dv"); + gl3wProgramUniform2ui = (PFNGLPROGRAMUNIFORM2UIPROC) get_proc("glProgramUniform2ui"); + gl3wProgramUniform2uiv = (PFNGLPROGRAMUNIFORM2UIVPROC) get_proc("glProgramUniform2uiv"); + gl3wProgramUniform3i = (PFNGLPROGRAMUNIFORM3IPROC) get_proc("glProgramUniform3i"); + gl3wProgramUniform3iv = (PFNGLPROGRAMUNIFORM3IVPROC) get_proc("glProgramUniform3iv"); + gl3wProgramUniform3f = (PFNGLPROGRAMUNIFORM3FPROC) get_proc("glProgramUniform3f"); + gl3wProgramUniform3fv = (PFNGLPROGRAMUNIFORM3FVPROC) get_proc("glProgramUniform3fv"); + gl3wProgramUniform3d = (PFNGLPROGRAMUNIFORM3DPROC) get_proc("glProgramUniform3d"); + gl3wProgramUniform3dv = (PFNGLPROGRAMUNIFORM3DVPROC) get_proc("glProgramUniform3dv"); + gl3wProgramUniform3ui = (PFNGLPROGRAMUNIFORM3UIPROC) get_proc("glProgramUniform3ui"); + gl3wProgramUniform3uiv = (PFNGLPROGRAMUNIFORM3UIVPROC) get_proc("glProgramUniform3uiv"); + gl3wProgramUniform4i = (PFNGLPROGRAMUNIFORM4IPROC) get_proc("glProgramUniform4i"); + gl3wProgramUniform4iv = (PFNGLPROGRAMUNIFORM4IVPROC) get_proc("glProgramUniform4iv"); + gl3wProgramUniform4f = (PFNGLPROGRAMUNIFORM4FPROC) get_proc("glProgramUniform4f"); + gl3wProgramUniform4fv = (PFNGLPROGRAMUNIFORM4FVPROC) get_proc("glProgramUniform4fv"); + gl3wProgramUniform4d = (PFNGLPROGRAMUNIFORM4DPROC) get_proc("glProgramUniform4d"); + gl3wProgramUniform4dv = (PFNGLPROGRAMUNIFORM4DVPROC) get_proc("glProgramUniform4dv"); + gl3wProgramUniform4ui = (PFNGLPROGRAMUNIFORM4UIPROC) get_proc("glProgramUniform4ui"); + gl3wProgramUniform4uiv = (PFNGLPROGRAMUNIFORM4UIVPROC) get_proc("glProgramUniform4uiv"); + gl3wProgramUniformMatrix2fv = (PFNGLPROGRAMUNIFORMMATRIX2FVPROC) get_proc("glProgramUniformMatrix2fv"); + gl3wProgramUniformMatrix3fv = (PFNGLPROGRAMUNIFORMMATRIX3FVPROC) get_proc("glProgramUniformMatrix3fv"); + gl3wProgramUniformMatrix4fv = (PFNGLPROGRAMUNIFORMMATRIX4FVPROC) get_proc("glProgramUniformMatrix4fv"); + gl3wProgramUniformMatrix2dv = (PFNGLPROGRAMUNIFORMMATRIX2DVPROC) get_proc("glProgramUniformMatrix2dv"); + gl3wProgramUniformMatrix3dv = (PFNGLPROGRAMUNIFORMMATRIX3DVPROC) get_proc("glProgramUniformMatrix3dv"); + gl3wProgramUniformMatrix4dv = (PFNGLPROGRAMUNIFORMMATRIX4DVPROC) get_proc("glProgramUniformMatrix4dv"); + gl3wProgramUniformMatrix2x3fv = (PFNGLPROGRAMUNIFORMMATRIX2X3FVPROC) get_proc("glProgramUniformMatrix2x3fv"); + gl3wProgramUniformMatrix3x2fv = (PFNGLPROGRAMUNIFORMMATRIX3X2FVPROC) get_proc("glProgramUniformMatrix3x2fv"); + gl3wProgramUniformMatrix2x4fv = (PFNGLPROGRAMUNIFORMMATRIX2X4FVPROC) get_proc("glProgramUniformMatrix2x4fv"); + gl3wProgramUniformMatrix4x2fv = (PFNGLPROGRAMUNIFORMMATRIX4X2FVPROC) get_proc("glProgramUniformMatrix4x2fv"); + gl3wProgramUniformMatrix3x4fv = (PFNGLPROGRAMUNIFORMMATRIX3X4FVPROC) get_proc("glProgramUniformMatrix3x4fv"); + gl3wProgramUniformMatrix4x3fv = (PFNGLPROGRAMUNIFORMMATRIX4X3FVPROC) get_proc("glProgramUniformMatrix4x3fv"); + gl3wProgramUniformMatrix2x3dv = (PFNGLPROGRAMUNIFORMMATRIX2X3DVPROC) get_proc("glProgramUniformMatrix2x3dv"); + gl3wProgramUniformMatrix3x2dv = (PFNGLPROGRAMUNIFORMMATRIX3X2DVPROC) get_proc("glProgramUniformMatrix3x2dv"); + gl3wProgramUniformMatrix2x4dv = (PFNGLPROGRAMUNIFORMMATRIX2X4DVPROC) get_proc("glProgramUniformMatrix2x4dv"); + gl3wProgramUniformMatrix4x2dv = (PFNGLPROGRAMUNIFORMMATRIX4X2DVPROC) get_proc("glProgramUniformMatrix4x2dv"); + gl3wProgramUniformMatrix3x4dv = (PFNGLPROGRAMUNIFORMMATRIX3X4DVPROC) get_proc("glProgramUniformMatrix3x4dv"); + gl3wProgramUniformMatrix4x3dv = (PFNGLPROGRAMUNIFORMMATRIX4X3DVPROC) get_proc("glProgramUniformMatrix4x3dv"); + gl3wValidateProgramPipeline = (PFNGLVALIDATEPROGRAMPIPELINEPROC) get_proc("glValidateProgramPipeline"); + gl3wGetProgramPipelineInfoLog = (PFNGLGETPROGRAMPIPELINEINFOLOGPROC) get_proc("glGetProgramPipelineInfoLog"); + gl3wVertexAttribL1d = (PFNGLVERTEXATTRIBL1DPROC) get_proc("glVertexAttribL1d"); + gl3wVertexAttribL2d = (PFNGLVERTEXATTRIBL2DPROC) get_proc("glVertexAttribL2d"); + gl3wVertexAttribL3d = (PFNGLVERTEXATTRIBL3DPROC) get_proc("glVertexAttribL3d"); + gl3wVertexAttribL4d = (PFNGLVERTEXATTRIBL4DPROC) get_proc("glVertexAttribL4d"); + gl3wVertexAttribL1dv = (PFNGLVERTEXATTRIBL1DVPROC) get_proc("glVertexAttribL1dv"); + gl3wVertexAttribL2dv = (PFNGLVERTEXATTRIBL2DVPROC) get_proc("glVertexAttribL2dv"); + gl3wVertexAttribL3dv = (PFNGLVERTEXATTRIBL3DVPROC) get_proc("glVertexAttribL3dv"); + gl3wVertexAttribL4dv = (PFNGLVERTEXATTRIBL4DVPROC) get_proc("glVertexAttribL4dv"); + gl3wVertexAttribLPointer = (PFNGLVERTEXATTRIBLPOINTERPROC) get_proc("glVertexAttribLPointer"); + gl3wGetVertexAttribLdv = (PFNGLGETVERTEXATTRIBLDVPROC) get_proc("glGetVertexAttribLdv"); + gl3wViewportArrayv = (PFNGLVIEWPORTARRAYVPROC) get_proc("glViewportArrayv"); + gl3wViewportIndexedf = (PFNGLVIEWPORTINDEXEDFPROC) get_proc("glViewportIndexedf"); + gl3wViewportIndexedfv = (PFNGLVIEWPORTINDEXEDFVPROC) get_proc("glViewportIndexedfv"); + gl3wScissorArrayv = (PFNGLSCISSORARRAYVPROC) get_proc("glScissorArrayv"); + gl3wScissorIndexed = (PFNGLSCISSORINDEXEDPROC) get_proc("glScissorIndexed"); + gl3wScissorIndexedv = (PFNGLSCISSORINDEXEDVPROC) get_proc("glScissorIndexedv"); + gl3wDepthRangeArrayv = (PFNGLDEPTHRANGEARRAYVPROC) get_proc("glDepthRangeArrayv"); + gl3wDepthRangeIndexed = (PFNGLDEPTHRANGEINDEXEDPROC) get_proc("glDepthRangeIndexed"); + gl3wGetFloati_v = (PFNGLGETFLOATI_VPROC) get_proc("glGetFloati_v"); + gl3wGetDoublei_v = (PFNGLGETDOUBLEI_VPROC) get_proc("glGetDoublei_v"); + gl3wCreateSyncFromCLeventARB = (PFNGLCREATESYNCFROMCLEVENTARBPROC) get_proc("glCreateSyncFromCLeventARB"); + gl3wDebugMessageControlARB = (PFNGLDEBUGMESSAGECONTROLARBPROC) get_proc("glDebugMessageControlARB"); + gl3wDebugMessageInsertARB = (PFNGLDEBUGMESSAGEINSERTARBPROC) get_proc("glDebugMessageInsertARB"); + gl3wDebugMessageCallbackARB = (PFNGLDEBUGMESSAGECALLBACKARBPROC) get_proc("glDebugMessageCallbackARB"); + gl3wGetDebugMessageLogARB = (PFNGLGETDEBUGMESSAGELOGARBPROC) get_proc("glGetDebugMessageLogARB"); + gl3wGetGraphicsResetStatusARB = (PFNGLGETGRAPHICSRESETSTATUSARBPROC) get_proc("glGetGraphicsResetStatusARB"); + gl3wGetnTexImageARB = (PFNGLGETNTEXIMAGEARBPROC) get_proc("glGetnTexImageARB"); + gl3wReadnPixelsARB = (PFNGLREADNPIXELSARBPROC) get_proc("glReadnPixelsARB"); + gl3wGetnCompressedTexImageARB = (PFNGLGETNCOMPRESSEDTEXIMAGEARBPROC) get_proc("glGetnCompressedTexImageARB"); + gl3wGetnUniformfvARB = (PFNGLGETNUNIFORMFVARBPROC) get_proc("glGetnUniformfvARB"); + gl3wGetnUniformivARB = (PFNGLGETNUNIFORMIVARBPROC) get_proc("glGetnUniformivARB"); + gl3wGetnUniformuivARB = (PFNGLGETNUNIFORMUIVARBPROC) get_proc("glGetnUniformuivARB"); + gl3wGetnUniformdvARB = (PFNGLGETNUNIFORMDVARBPROC) get_proc("glGetnUniformdvARB"); + gl3wDrawArraysInstancedBaseInstance = (PFNGLDRAWARRAYSINSTANCEDBASEINSTANCEPROC) get_proc("glDrawArraysInstancedBaseInstance"); + gl3wDrawElementsInstancedBaseInstance = (PFNGLDRAWELEMENTSINSTANCEDBASEINSTANCEPROC) get_proc("glDrawElementsInstancedBaseInstance"); + gl3wDrawElementsInstancedBaseVertexBaseInstance = (PFNGLDRAWELEMENTSINSTANCEDBASEVERTEXBASEINSTANCEPROC) get_proc("glDrawElementsInstancedBaseVertexBaseInstance"); + gl3wDrawTransformFeedbackInstanced = (PFNGLDRAWTRANSFORMFEEDBACKINSTANCEDPROC) get_proc("glDrawTransformFeedbackInstanced"); + gl3wDrawTransformFeedbackStreamInstanced = (PFNGLDRAWTRANSFORMFEEDBACKSTREAMINSTANCEDPROC) get_proc("glDrawTransformFeedbackStreamInstanced"); + gl3wGetInternalformativ = (PFNGLGETINTERNALFORMATIVPROC) get_proc("glGetInternalformativ"); + gl3wGetActiveAtomicCounterBufferiv = (PFNGLGETACTIVEATOMICCOUNTERBUFFERIVPROC) get_proc("glGetActiveAtomicCounterBufferiv"); + gl3wBindImageTexture = (PFNGLBINDIMAGETEXTUREPROC) get_proc("glBindImageTexture"); + gl3wMemoryBarrier = (PFNGLMEMORYBARRIERPROC) get_proc("glMemoryBarrier"); + gl3wTexStorage1D = (PFNGLTEXSTORAGE1DPROC) get_proc("glTexStorage1D"); + gl3wTexStorage2D = (PFNGLTEXSTORAGE2DPROC) get_proc("glTexStorage2D"); + gl3wTexStorage3D = (PFNGLTEXSTORAGE3DPROC) get_proc("glTexStorage3D"); + gl3wTextureStorage1DEXT = (PFNGLTEXTURESTORAGE1DEXTPROC) get_proc("glTextureStorage1DEXT"); + gl3wTextureStorage2DEXT = (PFNGLTEXTURESTORAGE2DEXTPROC) get_proc("glTextureStorage2DEXT"); + gl3wTextureStorage3DEXT = (PFNGLTEXTURESTORAGE3DEXTPROC) get_proc("glTextureStorage3DEXT"); + gl3wDebugMessageControl = (PFNGLDEBUGMESSAGECONTROLPROC) get_proc("glDebugMessageControl"); + gl3wDebugMessageInsert = (PFNGLDEBUGMESSAGEINSERTPROC) get_proc("glDebugMessageInsert"); + gl3wDebugMessageCallback = (PFNGLDEBUGMESSAGECALLBACKPROC) get_proc("glDebugMessageCallback"); + gl3wGetDebugMessageLog = (PFNGLGETDEBUGMESSAGELOGPROC) get_proc("glGetDebugMessageLog"); + gl3wPushDebugGroup = (PFNGLPUSHDEBUGGROUPPROC) get_proc("glPushDebugGroup"); + gl3wPopDebugGroup = (PFNGLPOPDEBUGGROUPPROC) get_proc("glPopDebugGroup"); + gl3wObjectLabel = (PFNGLOBJECTLABELPROC) get_proc("glObjectLabel"); + gl3wGetObjectLabel = (PFNGLGETOBJECTLABELPROC) get_proc("glGetObjectLabel"); + gl3wObjectPtrLabel = (PFNGLOBJECTPTRLABELPROC) get_proc("glObjectPtrLabel"); + gl3wGetObjectPtrLabel = (PFNGLGETOBJECTPTRLABELPROC) get_proc("glGetObjectPtrLabel"); + gl3wClearBufferData = (PFNGLCLEARBUFFERDATAPROC) get_proc("glClearBufferData"); + gl3wClearBufferSubData = (PFNGLCLEARBUFFERSUBDATAPROC) get_proc("glClearBufferSubData"); + gl3wClearNamedBufferDataEXT = (PFNGLCLEARNAMEDBUFFERDATAEXTPROC) get_proc("glClearNamedBufferDataEXT"); + gl3wClearNamedBufferSubDataEXT = (PFNGLCLEARNAMEDBUFFERSUBDATAEXTPROC) get_proc("glClearNamedBufferSubDataEXT"); + gl3wDispatchCompute = (PFNGLDISPATCHCOMPUTEPROC) get_proc("glDispatchCompute"); + gl3wDispatchComputeIndirect = (PFNGLDISPATCHCOMPUTEINDIRECTPROC) get_proc("glDispatchComputeIndirect"); + gl3wCopyImageSubData = (PFNGLCOPYIMAGESUBDATAPROC) get_proc("glCopyImageSubData"); + gl3wTextureView = (PFNGLTEXTUREVIEWPROC) get_proc("glTextureView"); + gl3wBindVertexBuffer = (PFNGLBINDVERTEXBUFFERPROC) get_proc("glBindVertexBuffer"); + gl3wVertexAttribFormat = (PFNGLVERTEXATTRIBFORMATPROC) get_proc("glVertexAttribFormat"); + gl3wVertexAttribIFormat = (PFNGLVERTEXATTRIBIFORMATPROC) get_proc("glVertexAttribIFormat"); + gl3wVertexAttribLFormat = (PFNGLVERTEXATTRIBLFORMATPROC) get_proc("glVertexAttribLFormat"); + gl3wVertexAttribBinding = (PFNGLVERTEXATTRIBBINDINGPROC) get_proc("glVertexAttribBinding"); + gl3wVertexBindingDivisor = (PFNGLVERTEXBINDINGDIVISORPROC) get_proc("glVertexBindingDivisor"); + gl3wVertexArrayBindVertexBufferEXT = (PFNGLVERTEXARRAYBINDVERTEXBUFFEREXTPROC) get_proc("glVertexArrayBindVertexBufferEXT"); + gl3wVertexArrayVertexAttribFormatEXT = (PFNGLVERTEXARRAYVERTEXATTRIBFORMATEXTPROC) get_proc("glVertexArrayVertexAttribFormatEXT"); + gl3wVertexArrayVertexAttribIFormatEXT = (PFNGLVERTEXARRAYVERTEXATTRIBIFORMATEXTPROC) get_proc("glVertexArrayVertexAttribIFormatEXT"); + gl3wVertexArrayVertexAttribLFormatEXT = (PFNGLVERTEXARRAYVERTEXATTRIBLFORMATEXTPROC) get_proc("glVertexArrayVertexAttribLFormatEXT"); + gl3wVertexArrayVertexAttribBindingEXT = (PFNGLVERTEXARRAYVERTEXATTRIBBINDINGEXTPROC) get_proc("glVertexArrayVertexAttribBindingEXT"); + gl3wVertexArrayVertexBindingDivisorEXT = (PFNGLVERTEXARRAYVERTEXBINDINGDIVISOREXTPROC) get_proc("glVertexArrayVertexBindingDivisorEXT"); + gl3wFramebufferParameteri = (PFNGLFRAMEBUFFERPARAMETERIPROC) get_proc("glFramebufferParameteri"); + gl3wGetFramebufferParameteriv = (PFNGLGETFRAMEBUFFERPARAMETERIVPROC) get_proc("glGetFramebufferParameteriv"); + gl3wNamedFramebufferParameteriEXT = (PFNGLNAMEDFRAMEBUFFERPARAMETERIEXTPROC) get_proc("glNamedFramebufferParameteriEXT"); + gl3wGetNamedFramebufferParameterivEXT = (PFNGLGETNAMEDFRAMEBUFFERPARAMETERIVEXTPROC) get_proc("glGetNamedFramebufferParameterivEXT"); + gl3wGetInternalformati64v = (PFNGLGETINTERNALFORMATI64VPROC) get_proc("glGetInternalformati64v"); + gl3wInvalidateTexSubImage = (PFNGLINVALIDATETEXSUBIMAGEPROC) get_proc("glInvalidateTexSubImage"); + gl3wInvalidateTexImage = (PFNGLINVALIDATETEXIMAGEPROC) get_proc("glInvalidateTexImage"); + gl3wInvalidateBufferSubData = (PFNGLINVALIDATEBUFFERSUBDATAPROC) get_proc("glInvalidateBufferSubData"); + gl3wInvalidateBufferData = (PFNGLINVALIDATEBUFFERDATAPROC) get_proc("glInvalidateBufferData"); + gl3wInvalidateFramebuffer = (PFNGLINVALIDATEFRAMEBUFFERPROC) get_proc("glInvalidateFramebuffer"); + gl3wInvalidateSubFramebuffer = (PFNGLINVALIDATESUBFRAMEBUFFERPROC) get_proc("glInvalidateSubFramebuffer"); + gl3wMultiDrawArraysIndirect = (PFNGLMULTIDRAWARRAYSINDIRECTPROC) get_proc("glMultiDrawArraysIndirect"); + gl3wMultiDrawElementsIndirect = (PFNGLMULTIDRAWELEMENTSINDIRECTPROC) get_proc("glMultiDrawElementsIndirect"); + gl3wGetProgramInterfaceiv = (PFNGLGETPROGRAMINTERFACEIVPROC) get_proc("glGetProgramInterfaceiv"); + gl3wGetProgramResourceIndex = (PFNGLGETPROGRAMRESOURCEINDEXPROC) get_proc("glGetProgramResourceIndex"); + gl3wGetProgramResourceName = (PFNGLGETPROGRAMRESOURCENAMEPROC) get_proc("glGetProgramResourceName"); + gl3wGetProgramResourceiv = (PFNGLGETPROGRAMRESOURCEIVPROC) get_proc("glGetProgramResourceiv"); + gl3wGetProgramResourceLocation = (PFNGLGETPROGRAMRESOURCELOCATIONPROC) get_proc("glGetProgramResourceLocation"); + gl3wGetProgramResourceLocationIndex = (PFNGLGETPROGRAMRESOURCELOCATIONINDEXPROC) get_proc("glGetProgramResourceLocationIndex"); + gl3wShaderStorageBlockBinding = (PFNGLSHADERSTORAGEBLOCKBINDINGPROC) get_proc("glShaderStorageBlockBinding"); + gl3wTexBufferRange = (PFNGLTEXBUFFERRANGEPROC) get_proc("glTexBufferRange"); + gl3wTextureBufferRangeEXT = (PFNGLTEXTUREBUFFERRANGEEXTPROC) get_proc("glTextureBufferRangeEXT"); + gl3wTexStorage2DMultisample = (PFNGLTEXSTORAGE2DMULTISAMPLEPROC) get_proc("glTexStorage2DMultisample"); + gl3wTexStorage3DMultisample = (PFNGLTEXSTORAGE3DMULTISAMPLEPROC) get_proc("glTexStorage3DMultisample"); + gl3wTextureStorage2DMultisampleEXT = (PFNGLTEXTURESTORAGE2DMULTISAMPLEEXTPROC) get_proc("glTextureStorage2DMultisampleEXT"); + gl3wTextureStorage3DMultisampleEXT = (PFNGLTEXTURESTORAGE3DMULTISAMPLEEXTPROC) get_proc("glTextureStorage3DMultisampleEXT"); +} diff --git a/imgui-submodule/imgui/examples/libs/gl3w/GL/gl3w.h b/imgui-submodule/imgui/examples/libs/gl3w/GL/gl3w.h new file mode 100644 index 0000000..ee563f8 --- /dev/null +++ b/imgui-submodule/imgui/examples/libs/gl3w/GL/gl3w.h @@ -0,0 +1,1234 @@ +#ifndef __gl3w_h_ +#define __gl3w_h_ + +#include + +#ifndef __gl_h_ +#define __gl_h_ +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +/* gl3w api */ +int gl3wInit(void); +int gl3wIsSupported(int major, int minor); +void *gl3wGetProcAddress(const char *proc); + +/* OpenGL functions */ +extern PFNGLCULLFACEPROC gl3wCullFace; +extern PFNGLFRONTFACEPROC gl3wFrontFace; +extern PFNGLHINTPROC gl3wHint; +extern PFNGLLINEWIDTHPROC gl3wLineWidth; +extern PFNGLPOINTSIZEPROC gl3wPointSize; +extern PFNGLPOLYGONMODEPROC gl3wPolygonMode; +extern PFNGLSCISSORPROC gl3wScissor; +extern PFNGLTEXPARAMETERFPROC gl3wTexParameterf; +extern PFNGLTEXPARAMETERFVPROC gl3wTexParameterfv; +extern PFNGLTEXPARAMETERIPROC gl3wTexParameteri; +extern PFNGLTEXPARAMETERIVPROC gl3wTexParameteriv; +extern PFNGLTEXIMAGE1DPROC gl3wTexImage1D; +extern PFNGLTEXIMAGE2DPROC gl3wTexImage2D; +extern PFNGLDRAWBUFFERPROC gl3wDrawBuffer; +extern PFNGLCLEARPROC gl3wClear; +extern PFNGLCLEARCOLORPROC gl3wClearColor; +extern PFNGLCLEARSTENCILPROC gl3wClearStencil; +extern PFNGLCLEARDEPTHPROC gl3wClearDepth; +extern PFNGLSTENCILMASKPROC gl3wStencilMask; +extern PFNGLCOLORMASKPROC gl3wColorMask; +extern PFNGLDEPTHMASKPROC gl3wDepthMask; +extern PFNGLDISABLEPROC gl3wDisable; +extern PFNGLENABLEPROC gl3wEnable; +extern PFNGLFINISHPROC gl3wFinish; +extern PFNGLFLUSHPROC gl3wFlush; +extern PFNGLBLENDFUNCPROC gl3wBlendFunc; +extern PFNGLLOGICOPPROC gl3wLogicOp; +extern PFNGLSTENCILFUNCPROC gl3wStencilFunc; +extern PFNGLSTENCILOPPROC gl3wStencilOp; +extern PFNGLDEPTHFUNCPROC gl3wDepthFunc; +extern PFNGLPIXELSTOREFPROC gl3wPixelStoref; +extern PFNGLPIXELSTOREIPROC gl3wPixelStorei; +extern PFNGLREADBUFFERPROC gl3wReadBuffer; +extern PFNGLREADPIXELSPROC gl3wReadPixels; +extern PFNGLGETBOOLEANVPROC gl3wGetBooleanv; +extern PFNGLGETDOUBLEVPROC gl3wGetDoublev; +extern PFNGLGETERRORPROC gl3wGetError; +extern PFNGLGETFLOATVPROC gl3wGetFloatv; +extern PFNGLGETINTEGERVPROC gl3wGetIntegerv; +extern PFNGLGETSTRINGPROC gl3wGetString; +extern PFNGLGETTEXIMAGEPROC gl3wGetTexImage; +extern PFNGLGETTEXPARAMETERFVPROC gl3wGetTexParameterfv; +extern PFNGLGETTEXPARAMETERIVPROC gl3wGetTexParameteriv; +extern PFNGLGETTEXLEVELPARAMETERFVPROC gl3wGetTexLevelParameterfv; +extern PFNGLGETTEXLEVELPARAMETERIVPROC gl3wGetTexLevelParameteriv; +extern PFNGLISENABLEDPROC gl3wIsEnabled; +extern PFNGLDEPTHRANGEPROC gl3wDepthRange; +extern PFNGLVIEWPORTPROC gl3wViewport; +extern PFNGLDRAWARRAYSPROC gl3wDrawArrays; +extern PFNGLDRAWELEMENTSPROC gl3wDrawElements; +extern PFNGLGETPOINTERVPROC gl3wGetPointerv; +extern PFNGLPOLYGONOFFSETPROC gl3wPolygonOffset; +extern PFNGLCOPYTEXIMAGE1DPROC gl3wCopyTexImage1D; +extern PFNGLCOPYTEXIMAGE2DPROC gl3wCopyTexImage2D; +extern PFNGLCOPYTEXSUBIMAGE1DPROC gl3wCopyTexSubImage1D; +extern PFNGLCOPYTEXSUBIMAGE2DPROC gl3wCopyTexSubImage2D; +extern PFNGLTEXSUBIMAGE1DPROC gl3wTexSubImage1D; +extern PFNGLTEXSUBIMAGE2DPROC gl3wTexSubImage2D; +extern PFNGLBINDTEXTUREPROC gl3wBindTexture; +extern PFNGLDELETETEXTURESPROC gl3wDeleteTextures; +extern PFNGLGENTEXTURESPROC gl3wGenTextures; +extern PFNGLISTEXTUREPROC gl3wIsTexture; +extern PFNGLBLENDCOLORPROC gl3wBlendColor; +extern PFNGLBLENDEQUATIONPROC gl3wBlendEquation; +extern PFNGLDRAWRANGEELEMENTSPROC gl3wDrawRangeElements; +extern PFNGLTEXIMAGE3DPROC gl3wTexImage3D; +extern PFNGLTEXSUBIMAGE3DPROC gl3wTexSubImage3D; +extern PFNGLCOPYTEXSUBIMAGE3DPROC gl3wCopyTexSubImage3D; +extern PFNGLACTIVETEXTUREPROC gl3wActiveTexture; +extern PFNGLSAMPLECOVERAGEPROC gl3wSampleCoverage; +extern PFNGLCOMPRESSEDTEXIMAGE3DPROC gl3wCompressedTexImage3D; +extern PFNGLCOMPRESSEDTEXIMAGE2DPROC gl3wCompressedTexImage2D; +extern PFNGLCOMPRESSEDTEXIMAGE1DPROC gl3wCompressedTexImage1D; +extern PFNGLCOMPRESSEDTEXSUBIMAGE3DPROC gl3wCompressedTexSubImage3D; +extern PFNGLCOMPRESSEDTEXSUBIMAGE2DPROC gl3wCompressedTexSubImage2D; +extern PFNGLCOMPRESSEDTEXSUBIMAGE1DPROC gl3wCompressedTexSubImage1D; +extern PFNGLGETCOMPRESSEDTEXIMAGEPROC gl3wGetCompressedTexImage; +extern PFNGLBLENDFUNCSEPARATEPROC gl3wBlendFuncSeparate; +extern PFNGLMULTIDRAWARRAYSPROC gl3wMultiDrawArrays; +extern PFNGLMULTIDRAWELEMENTSPROC gl3wMultiDrawElements; +extern PFNGLPOINTPARAMETERFPROC gl3wPointParameterf; +extern PFNGLPOINTPARAMETERFVPROC gl3wPointParameterfv; +extern PFNGLPOINTPARAMETERIPROC gl3wPointParameteri; +extern PFNGLPOINTPARAMETERIVPROC gl3wPointParameteriv; +extern PFNGLGENQUERIESPROC gl3wGenQueries; +extern PFNGLDELETEQUERIESPROC gl3wDeleteQueries; +extern PFNGLISQUERYPROC gl3wIsQuery; +extern PFNGLBEGINQUERYPROC gl3wBeginQuery; +extern PFNGLENDQUERYPROC gl3wEndQuery; +extern PFNGLGETQUERYIVPROC gl3wGetQueryiv; +extern PFNGLGETQUERYOBJECTIVPROC gl3wGetQueryObjectiv; +extern PFNGLGETQUERYOBJECTUIVPROC gl3wGetQueryObjectuiv; +extern PFNGLBINDBUFFERPROC gl3wBindBuffer; +extern PFNGLDELETEBUFFERSPROC gl3wDeleteBuffers; +extern PFNGLGENBUFFERSPROC gl3wGenBuffers; +extern PFNGLISBUFFERPROC gl3wIsBuffer; +extern PFNGLBUFFERDATAPROC gl3wBufferData; +extern PFNGLBUFFERSUBDATAPROC gl3wBufferSubData; +extern PFNGLGETBUFFERSUBDATAPROC gl3wGetBufferSubData; +extern PFNGLMAPBUFFERPROC gl3wMapBuffer; +extern PFNGLUNMAPBUFFERPROC gl3wUnmapBuffer; +extern PFNGLGETBUFFERPARAMETERIVPROC gl3wGetBufferParameteriv; +extern PFNGLGETBUFFERPOINTERVPROC gl3wGetBufferPointerv; +extern PFNGLBLENDEQUATIONSEPARATEPROC gl3wBlendEquationSeparate; +extern PFNGLDRAWBUFFERSPROC gl3wDrawBuffers; +extern PFNGLSTENCILOPSEPARATEPROC gl3wStencilOpSeparate; +extern PFNGLSTENCILFUNCSEPARATEPROC gl3wStencilFuncSeparate; +extern PFNGLSTENCILMASKSEPARATEPROC gl3wStencilMaskSeparate; +extern PFNGLATTACHSHADERPROC gl3wAttachShader; +extern PFNGLBINDATTRIBLOCATIONPROC gl3wBindAttribLocation; +extern PFNGLCOMPILESHADERPROC gl3wCompileShader; +extern PFNGLCREATEPROGRAMPROC gl3wCreateProgram; +extern PFNGLCREATESHADERPROC gl3wCreateShader; +extern PFNGLDELETEPROGRAMPROC gl3wDeleteProgram; +extern PFNGLDELETESHADERPROC gl3wDeleteShader; +extern PFNGLDETACHSHADERPROC gl3wDetachShader; +extern PFNGLDISABLEVERTEXATTRIBARRAYPROC gl3wDisableVertexAttribArray; +extern PFNGLENABLEVERTEXATTRIBARRAYPROC gl3wEnableVertexAttribArray; +extern PFNGLGETACTIVEATTRIBPROC gl3wGetActiveAttrib; +extern PFNGLGETACTIVEUNIFORMPROC gl3wGetActiveUniform; +extern PFNGLGETATTACHEDSHADERSPROC gl3wGetAttachedShaders; +extern PFNGLGETATTRIBLOCATIONPROC gl3wGetAttribLocation; +extern PFNGLGETPROGRAMIVPROC gl3wGetProgramiv; +extern PFNGLGETPROGRAMINFOLOGPROC gl3wGetProgramInfoLog; +extern PFNGLGETSHADERIVPROC gl3wGetShaderiv; +extern PFNGLGETSHADERINFOLOGPROC gl3wGetShaderInfoLog; +extern PFNGLGETSHADERSOURCEPROC gl3wGetShaderSource; +extern PFNGLGETUNIFORMLOCATIONPROC gl3wGetUniformLocation; +extern PFNGLGETUNIFORMFVPROC gl3wGetUniformfv; +extern PFNGLGETUNIFORMIVPROC gl3wGetUniformiv; +extern PFNGLGETVERTEXATTRIBDVPROC gl3wGetVertexAttribdv; +extern PFNGLGETVERTEXATTRIBFVPROC gl3wGetVertexAttribfv; +extern PFNGLGETVERTEXATTRIBIVPROC gl3wGetVertexAttribiv; +extern PFNGLGETVERTEXATTRIBPOINTERVPROC gl3wGetVertexAttribPointerv; +extern PFNGLISPROGRAMPROC gl3wIsProgram; +extern PFNGLISSHADERPROC gl3wIsShader; +extern PFNGLLINKPROGRAMPROC gl3wLinkProgram; +extern PFNGLSHADERSOURCEPROC gl3wShaderSource; +extern PFNGLUSEPROGRAMPROC gl3wUseProgram; +extern PFNGLUNIFORM1FPROC gl3wUniform1f; +extern PFNGLUNIFORM2FPROC gl3wUniform2f; +extern PFNGLUNIFORM3FPROC gl3wUniform3f; +extern PFNGLUNIFORM4FPROC gl3wUniform4f; +extern PFNGLUNIFORM1IPROC gl3wUniform1i; +extern PFNGLUNIFORM2IPROC gl3wUniform2i; +extern PFNGLUNIFORM3IPROC gl3wUniform3i; +extern PFNGLUNIFORM4IPROC gl3wUniform4i; +extern PFNGLUNIFORM1FVPROC gl3wUniform1fv; +extern PFNGLUNIFORM2FVPROC gl3wUniform2fv; +extern PFNGLUNIFORM3FVPROC gl3wUniform3fv; +extern PFNGLUNIFORM4FVPROC gl3wUniform4fv; +extern PFNGLUNIFORM1IVPROC gl3wUniform1iv; +extern PFNGLUNIFORM2IVPROC gl3wUniform2iv; +extern PFNGLUNIFORM3IVPROC gl3wUniform3iv; +extern PFNGLUNIFORM4IVPROC gl3wUniform4iv; +extern PFNGLUNIFORMMATRIX2FVPROC gl3wUniformMatrix2fv; +extern PFNGLUNIFORMMATRIX3FVPROC gl3wUniformMatrix3fv; +extern PFNGLUNIFORMMATRIX4FVPROC gl3wUniformMatrix4fv; +extern PFNGLVALIDATEPROGRAMPROC gl3wValidateProgram; +extern PFNGLVERTEXATTRIB1DPROC gl3wVertexAttrib1d; +extern PFNGLVERTEXATTRIB1DVPROC gl3wVertexAttrib1dv; +extern PFNGLVERTEXATTRIB1FPROC gl3wVertexAttrib1f; +extern PFNGLVERTEXATTRIB1FVPROC gl3wVertexAttrib1fv; +extern PFNGLVERTEXATTRIB1SPROC gl3wVertexAttrib1s; +extern PFNGLVERTEXATTRIB1SVPROC gl3wVertexAttrib1sv; +extern PFNGLVERTEXATTRIB2DPROC gl3wVertexAttrib2d; +extern PFNGLVERTEXATTRIB2DVPROC gl3wVertexAttrib2dv; +extern PFNGLVERTEXATTRIB2FPROC gl3wVertexAttrib2f; +extern PFNGLVERTEXATTRIB2FVPROC gl3wVertexAttrib2fv; +extern PFNGLVERTEXATTRIB2SPROC gl3wVertexAttrib2s; +extern PFNGLVERTEXATTRIB2SVPROC gl3wVertexAttrib2sv; +extern PFNGLVERTEXATTRIB3DPROC gl3wVertexAttrib3d; +extern PFNGLVERTEXATTRIB3DVPROC gl3wVertexAttrib3dv; +extern PFNGLVERTEXATTRIB3FPROC gl3wVertexAttrib3f; +extern PFNGLVERTEXATTRIB3FVPROC gl3wVertexAttrib3fv; +extern PFNGLVERTEXATTRIB3SPROC gl3wVertexAttrib3s; +extern PFNGLVERTEXATTRIB3SVPROC gl3wVertexAttrib3sv; +extern PFNGLVERTEXATTRIB4NBVPROC gl3wVertexAttrib4Nbv; +extern PFNGLVERTEXATTRIB4NIVPROC gl3wVertexAttrib4Niv; +extern PFNGLVERTEXATTRIB4NSVPROC gl3wVertexAttrib4Nsv; +extern PFNGLVERTEXATTRIB4NUBPROC gl3wVertexAttrib4Nub; +extern PFNGLVERTEXATTRIB4NUBVPROC gl3wVertexAttrib4Nubv; +extern PFNGLVERTEXATTRIB4NUIVPROC gl3wVertexAttrib4Nuiv; +extern PFNGLVERTEXATTRIB4NUSVPROC gl3wVertexAttrib4Nusv; +extern PFNGLVERTEXATTRIB4BVPROC gl3wVertexAttrib4bv; +extern PFNGLVERTEXATTRIB4DPROC gl3wVertexAttrib4d; +extern PFNGLVERTEXATTRIB4DVPROC gl3wVertexAttrib4dv; +extern PFNGLVERTEXATTRIB4FPROC gl3wVertexAttrib4f; +extern PFNGLVERTEXATTRIB4FVPROC gl3wVertexAttrib4fv; +extern PFNGLVERTEXATTRIB4IVPROC gl3wVertexAttrib4iv; +extern PFNGLVERTEXATTRIB4SPROC gl3wVertexAttrib4s; +extern PFNGLVERTEXATTRIB4SVPROC gl3wVertexAttrib4sv; +extern PFNGLVERTEXATTRIB4UBVPROC gl3wVertexAttrib4ubv; +extern PFNGLVERTEXATTRIB4UIVPROC gl3wVertexAttrib4uiv; +extern PFNGLVERTEXATTRIB4USVPROC gl3wVertexAttrib4usv; +extern PFNGLVERTEXATTRIBPOINTERPROC gl3wVertexAttribPointer; +extern PFNGLUNIFORMMATRIX2X3FVPROC gl3wUniformMatrix2x3fv; +extern PFNGLUNIFORMMATRIX3X2FVPROC gl3wUniformMatrix3x2fv; +extern PFNGLUNIFORMMATRIX2X4FVPROC gl3wUniformMatrix2x4fv; +extern PFNGLUNIFORMMATRIX4X2FVPROC gl3wUniformMatrix4x2fv; +extern PFNGLUNIFORMMATRIX3X4FVPROC gl3wUniformMatrix3x4fv; +extern PFNGLUNIFORMMATRIX4X3FVPROC gl3wUniformMatrix4x3fv; +extern PFNGLCOLORMASKIPROC gl3wColorMaski; +extern PFNGLGETBOOLEANI_VPROC gl3wGetBooleani_v; +extern PFNGLGETINTEGERI_VPROC gl3wGetIntegeri_v; +extern PFNGLENABLEIPROC gl3wEnablei; +extern PFNGLDISABLEIPROC gl3wDisablei; +extern PFNGLISENABLEDIPROC gl3wIsEnabledi; +extern PFNGLBEGINTRANSFORMFEEDBACKPROC gl3wBeginTransformFeedback; +extern PFNGLENDTRANSFORMFEEDBACKPROC gl3wEndTransformFeedback; +extern PFNGLBINDBUFFERRANGEPROC gl3wBindBufferRange; +extern PFNGLBINDBUFFERBASEPROC gl3wBindBufferBase; +extern PFNGLTRANSFORMFEEDBACKVARYINGSPROC gl3wTransformFeedbackVaryings; +extern PFNGLGETTRANSFORMFEEDBACKVARYINGPROC gl3wGetTransformFeedbackVarying; +extern PFNGLCLAMPCOLORPROC gl3wClampColor; +extern PFNGLBEGINCONDITIONALRENDERPROC gl3wBeginConditionalRender; +extern PFNGLENDCONDITIONALRENDERPROC gl3wEndConditionalRender; +extern PFNGLVERTEXATTRIBIPOINTERPROC gl3wVertexAttribIPointer; +extern PFNGLGETVERTEXATTRIBIIVPROC gl3wGetVertexAttribIiv; +extern PFNGLGETVERTEXATTRIBIUIVPROC gl3wGetVertexAttribIuiv; +extern PFNGLVERTEXATTRIBI1IPROC gl3wVertexAttribI1i; +extern PFNGLVERTEXATTRIBI2IPROC gl3wVertexAttribI2i; +extern PFNGLVERTEXATTRIBI3IPROC gl3wVertexAttribI3i; +extern PFNGLVERTEXATTRIBI4IPROC gl3wVertexAttribI4i; +extern PFNGLVERTEXATTRIBI1UIPROC gl3wVertexAttribI1ui; +extern PFNGLVERTEXATTRIBI2UIPROC gl3wVertexAttribI2ui; +extern PFNGLVERTEXATTRIBI3UIPROC gl3wVertexAttribI3ui; +extern PFNGLVERTEXATTRIBI4UIPROC gl3wVertexAttribI4ui; +extern PFNGLVERTEXATTRIBI1IVPROC gl3wVertexAttribI1iv; +extern PFNGLVERTEXATTRIBI2IVPROC gl3wVertexAttribI2iv; +extern PFNGLVERTEXATTRIBI3IVPROC gl3wVertexAttribI3iv; +extern PFNGLVERTEXATTRIBI4IVPROC gl3wVertexAttribI4iv; +extern PFNGLVERTEXATTRIBI1UIVPROC gl3wVertexAttribI1uiv; +extern PFNGLVERTEXATTRIBI2UIVPROC gl3wVertexAttribI2uiv; +extern PFNGLVERTEXATTRIBI3UIVPROC gl3wVertexAttribI3uiv; +extern PFNGLVERTEXATTRIBI4UIVPROC gl3wVertexAttribI4uiv; +extern PFNGLVERTEXATTRIBI4BVPROC gl3wVertexAttribI4bv; +extern PFNGLVERTEXATTRIBI4SVPROC gl3wVertexAttribI4sv; +extern PFNGLVERTEXATTRIBI4UBVPROC gl3wVertexAttribI4ubv; +extern PFNGLVERTEXATTRIBI4USVPROC gl3wVertexAttribI4usv; +extern PFNGLGETUNIFORMUIVPROC gl3wGetUniformuiv; +extern PFNGLBINDFRAGDATALOCATIONPROC gl3wBindFragDataLocation; +extern PFNGLGETFRAGDATALOCATIONPROC gl3wGetFragDataLocation; +extern PFNGLUNIFORM1UIPROC gl3wUniform1ui; +extern PFNGLUNIFORM2UIPROC gl3wUniform2ui; +extern PFNGLUNIFORM3UIPROC gl3wUniform3ui; +extern PFNGLUNIFORM4UIPROC gl3wUniform4ui; +extern PFNGLUNIFORM1UIVPROC gl3wUniform1uiv; +extern PFNGLUNIFORM2UIVPROC gl3wUniform2uiv; +extern PFNGLUNIFORM3UIVPROC gl3wUniform3uiv; +extern PFNGLUNIFORM4UIVPROC gl3wUniform4uiv; +extern PFNGLTEXPARAMETERIIVPROC gl3wTexParameterIiv; +extern PFNGLTEXPARAMETERIUIVPROC gl3wTexParameterIuiv; +extern PFNGLGETTEXPARAMETERIIVPROC gl3wGetTexParameterIiv; +extern PFNGLGETTEXPARAMETERIUIVPROC gl3wGetTexParameterIuiv; +extern PFNGLCLEARBUFFERIVPROC gl3wClearBufferiv; +extern PFNGLCLEARBUFFERUIVPROC gl3wClearBufferuiv; +extern PFNGLCLEARBUFFERFVPROC gl3wClearBufferfv; +extern PFNGLCLEARBUFFERFIPROC gl3wClearBufferfi; +extern PFNGLGETSTRINGIPROC gl3wGetStringi; +extern PFNGLDRAWARRAYSINSTANCEDPROC gl3wDrawArraysInstanced; +extern PFNGLDRAWELEMENTSINSTANCEDPROC gl3wDrawElementsInstanced; +extern PFNGLTEXBUFFERPROC gl3wTexBuffer; +extern PFNGLPRIMITIVERESTARTINDEXPROC gl3wPrimitiveRestartIndex; +extern PFNGLGETINTEGER64I_VPROC gl3wGetInteger64i_v; +extern PFNGLGETBUFFERPARAMETERI64VPROC gl3wGetBufferParameteri64v; +extern PFNGLFRAMEBUFFERTEXTUREPROC gl3wFramebufferTexture; +extern PFNGLVERTEXATTRIBDIVISORPROC gl3wVertexAttribDivisor; +extern PFNGLMINSAMPLESHADINGPROC gl3wMinSampleShading; +extern PFNGLBLENDEQUATIONIPROC gl3wBlendEquationi; +extern PFNGLBLENDEQUATIONSEPARATEIPROC gl3wBlendEquationSeparatei; +extern PFNGLBLENDFUNCIPROC gl3wBlendFunci; +extern PFNGLBLENDFUNCSEPARATEIPROC gl3wBlendFuncSeparatei; +extern PFNGLISRENDERBUFFERPROC gl3wIsRenderbuffer; +extern PFNGLBINDRENDERBUFFERPROC gl3wBindRenderbuffer; +extern PFNGLDELETERENDERBUFFERSPROC gl3wDeleteRenderbuffers; +extern PFNGLGENRENDERBUFFERSPROC gl3wGenRenderbuffers; +extern PFNGLRENDERBUFFERSTORAGEPROC gl3wRenderbufferStorage; +extern PFNGLGETRENDERBUFFERPARAMETERIVPROC gl3wGetRenderbufferParameteriv; +extern PFNGLISFRAMEBUFFERPROC gl3wIsFramebuffer; +extern PFNGLBINDFRAMEBUFFERPROC gl3wBindFramebuffer; +extern PFNGLDELETEFRAMEBUFFERSPROC gl3wDeleteFramebuffers; +extern PFNGLGENFRAMEBUFFERSPROC gl3wGenFramebuffers; +extern PFNGLCHECKFRAMEBUFFERSTATUSPROC gl3wCheckFramebufferStatus; +extern PFNGLFRAMEBUFFERTEXTURE1DPROC gl3wFramebufferTexture1D; +extern PFNGLFRAMEBUFFERTEXTURE2DPROC gl3wFramebufferTexture2D; +extern PFNGLFRAMEBUFFERTEXTURE3DPROC gl3wFramebufferTexture3D; +extern PFNGLFRAMEBUFFERRENDERBUFFERPROC gl3wFramebufferRenderbuffer; +extern PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC gl3wGetFramebufferAttachmentParameteriv; +extern PFNGLGENERATEMIPMAPPROC gl3wGenerateMipmap; +extern PFNGLBLITFRAMEBUFFERPROC gl3wBlitFramebuffer; +extern PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC gl3wRenderbufferStorageMultisample; +extern PFNGLFRAMEBUFFERTEXTURELAYERPROC gl3wFramebufferTextureLayer; +extern PFNGLMAPBUFFERRANGEPROC gl3wMapBufferRange; +extern PFNGLFLUSHMAPPEDBUFFERRANGEPROC gl3wFlushMappedBufferRange; +extern PFNGLBINDVERTEXARRAYPROC gl3wBindVertexArray; +extern PFNGLDELETEVERTEXARRAYSPROC gl3wDeleteVertexArrays; +extern PFNGLGENVERTEXARRAYSPROC gl3wGenVertexArrays; +extern PFNGLISVERTEXARRAYPROC gl3wIsVertexArray; +extern PFNGLGETUNIFORMINDICESPROC gl3wGetUniformIndices; +extern PFNGLGETACTIVEUNIFORMSIVPROC gl3wGetActiveUniformsiv; +extern PFNGLGETACTIVEUNIFORMNAMEPROC gl3wGetActiveUniformName; +extern PFNGLGETUNIFORMBLOCKINDEXPROC gl3wGetUniformBlockIndex; +extern PFNGLGETACTIVEUNIFORMBLOCKIVPROC gl3wGetActiveUniformBlockiv; +extern PFNGLGETACTIVEUNIFORMBLOCKNAMEPROC gl3wGetActiveUniformBlockName; +extern PFNGLUNIFORMBLOCKBINDINGPROC gl3wUniformBlockBinding; +extern PFNGLCOPYBUFFERSUBDATAPROC gl3wCopyBufferSubData; +extern PFNGLDRAWELEMENTSBASEVERTEXPROC gl3wDrawElementsBaseVertex; +extern PFNGLDRAWRANGEELEMENTSBASEVERTEXPROC gl3wDrawRangeElementsBaseVertex; +extern PFNGLDRAWELEMENTSINSTANCEDBASEVERTEXPROC gl3wDrawElementsInstancedBaseVertex; +extern PFNGLMULTIDRAWELEMENTSBASEVERTEXPROC gl3wMultiDrawElementsBaseVertex; +extern PFNGLPROVOKINGVERTEXPROC gl3wProvokingVertex; +extern PFNGLFENCESYNCPROC gl3wFenceSync; +extern PFNGLISSYNCPROC gl3wIsSync; +extern PFNGLDELETESYNCPROC gl3wDeleteSync; +extern PFNGLCLIENTWAITSYNCPROC gl3wClientWaitSync; +extern PFNGLWAITSYNCPROC gl3wWaitSync; +extern PFNGLGETINTEGER64VPROC gl3wGetInteger64v; +extern PFNGLGETSYNCIVPROC gl3wGetSynciv; +extern PFNGLTEXIMAGE2DMULTISAMPLEPROC gl3wTexImage2DMultisample; +extern PFNGLTEXIMAGE3DMULTISAMPLEPROC gl3wTexImage3DMultisample; +extern PFNGLGETMULTISAMPLEFVPROC gl3wGetMultisamplefv; +extern PFNGLSAMPLEMASKIPROC gl3wSampleMaski; +extern PFNGLBLENDEQUATIONIARBPROC gl3wBlendEquationiARB; +extern PFNGLBLENDEQUATIONSEPARATEIARBPROC gl3wBlendEquationSeparateiARB; +extern PFNGLBLENDFUNCIARBPROC gl3wBlendFunciARB; +extern PFNGLBLENDFUNCSEPARATEIARBPROC gl3wBlendFuncSeparateiARB; +extern PFNGLMINSAMPLESHADINGARBPROC gl3wMinSampleShadingARB; +extern PFNGLNAMEDSTRINGARBPROC gl3wNamedStringARB; +extern PFNGLDELETENAMEDSTRINGARBPROC gl3wDeleteNamedStringARB; +extern PFNGLCOMPILESHADERINCLUDEARBPROC gl3wCompileShaderIncludeARB; +extern PFNGLISNAMEDSTRINGARBPROC gl3wIsNamedStringARB; +extern PFNGLGETNAMEDSTRINGARBPROC gl3wGetNamedStringARB; +extern PFNGLGETNAMEDSTRINGIVARBPROC gl3wGetNamedStringivARB; +extern PFNGLBINDFRAGDATALOCATIONINDEXEDPROC gl3wBindFragDataLocationIndexed; +extern PFNGLGETFRAGDATAINDEXPROC gl3wGetFragDataIndex; +extern PFNGLGENSAMPLERSPROC gl3wGenSamplers; +extern PFNGLDELETESAMPLERSPROC gl3wDeleteSamplers; +extern PFNGLISSAMPLERPROC gl3wIsSampler; +extern PFNGLBINDSAMPLERPROC gl3wBindSampler; +extern PFNGLSAMPLERPARAMETERIPROC gl3wSamplerParameteri; +extern PFNGLSAMPLERPARAMETERIVPROC gl3wSamplerParameteriv; +extern PFNGLSAMPLERPARAMETERFPROC gl3wSamplerParameterf; +extern PFNGLSAMPLERPARAMETERFVPROC gl3wSamplerParameterfv; +extern PFNGLSAMPLERPARAMETERIIVPROC gl3wSamplerParameterIiv; +extern PFNGLSAMPLERPARAMETERIUIVPROC gl3wSamplerParameterIuiv; +extern PFNGLGETSAMPLERPARAMETERIVPROC gl3wGetSamplerParameteriv; +extern PFNGLGETSAMPLERPARAMETERIIVPROC gl3wGetSamplerParameterIiv; +extern PFNGLGETSAMPLERPARAMETERFVPROC gl3wGetSamplerParameterfv; +extern PFNGLGETSAMPLERPARAMETERIUIVPROC gl3wGetSamplerParameterIuiv; +extern PFNGLQUERYCOUNTERPROC gl3wQueryCounter; +extern PFNGLGETQUERYOBJECTI64VPROC gl3wGetQueryObjecti64v; +extern PFNGLGETQUERYOBJECTUI64VPROC gl3wGetQueryObjectui64v; +extern PFNGLVERTEXP2UIPROC gl3wVertexP2ui; +extern PFNGLVERTEXP2UIVPROC gl3wVertexP2uiv; +extern PFNGLVERTEXP3UIPROC gl3wVertexP3ui; +extern PFNGLVERTEXP3UIVPROC gl3wVertexP3uiv; +extern PFNGLVERTEXP4UIPROC gl3wVertexP4ui; +extern PFNGLVERTEXP4UIVPROC gl3wVertexP4uiv; +extern PFNGLTEXCOORDP1UIPROC gl3wTexCoordP1ui; +extern PFNGLTEXCOORDP1UIVPROC gl3wTexCoordP1uiv; +extern PFNGLTEXCOORDP2UIPROC gl3wTexCoordP2ui; +extern PFNGLTEXCOORDP2UIVPROC gl3wTexCoordP2uiv; +extern PFNGLTEXCOORDP3UIPROC gl3wTexCoordP3ui; +extern PFNGLTEXCOORDP3UIVPROC gl3wTexCoordP3uiv; +extern PFNGLTEXCOORDP4UIPROC gl3wTexCoordP4ui; +extern PFNGLTEXCOORDP4UIVPROC gl3wTexCoordP4uiv; +extern PFNGLMULTITEXCOORDP1UIPROC gl3wMultiTexCoordP1ui; +extern PFNGLMULTITEXCOORDP1UIVPROC gl3wMultiTexCoordP1uiv; +extern PFNGLMULTITEXCOORDP2UIPROC gl3wMultiTexCoordP2ui; +extern PFNGLMULTITEXCOORDP2UIVPROC gl3wMultiTexCoordP2uiv; +extern PFNGLMULTITEXCOORDP3UIPROC gl3wMultiTexCoordP3ui; +extern PFNGLMULTITEXCOORDP3UIVPROC gl3wMultiTexCoordP3uiv; +extern PFNGLMULTITEXCOORDP4UIPROC gl3wMultiTexCoordP4ui; +extern PFNGLMULTITEXCOORDP4UIVPROC gl3wMultiTexCoordP4uiv; +extern PFNGLNORMALP3UIPROC gl3wNormalP3ui; +extern PFNGLNORMALP3UIVPROC gl3wNormalP3uiv; +extern PFNGLCOLORP3UIPROC gl3wColorP3ui; +extern PFNGLCOLORP3UIVPROC gl3wColorP3uiv; +extern PFNGLCOLORP4UIPROC gl3wColorP4ui; +extern PFNGLCOLORP4UIVPROC gl3wColorP4uiv; +extern PFNGLSECONDARYCOLORP3UIPROC gl3wSecondaryColorP3ui; +extern PFNGLSECONDARYCOLORP3UIVPROC gl3wSecondaryColorP3uiv; +extern PFNGLVERTEXATTRIBP1UIPROC gl3wVertexAttribP1ui; +extern PFNGLVERTEXATTRIBP1UIVPROC gl3wVertexAttribP1uiv; +extern PFNGLVERTEXATTRIBP2UIPROC gl3wVertexAttribP2ui; +extern PFNGLVERTEXATTRIBP2UIVPROC gl3wVertexAttribP2uiv; +extern PFNGLVERTEXATTRIBP3UIPROC gl3wVertexAttribP3ui; +extern PFNGLVERTEXATTRIBP3UIVPROC gl3wVertexAttribP3uiv; +extern PFNGLVERTEXATTRIBP4UIPROC gl3wVertexAttribP4ui; +extern PFNGLVERTEXATTRIBP4UIVPROC gl3wVertexAttribP4uiv; +extern PFNGLDRAWARRAYSINDIRECTPROC gl3wDrawArraysIndirect; +extern PFNGLDRAWELEMENTSINDIRECTPROC gl3wDrawElementsIndirect; +extern PFNGLUNIFORM1DPROC gl3wUniform1d; +extern PFNGLUNIFORM2DPROC gl3wUniform2d; +extern PFNGLUNIFORM3DPROC gl3wUniform3d; +extern PFNGLUNIFORM4DPROC gl3wUniform4d; +extern PFNGLUNIFORM1DVPROC gl3wUniform1dv; +extern PFNGLUNIFORM2DVPROC gl3wUniform2dv; +extern PFNGLUNIFORM3DVPROC gl3wUniform3dv; +extern PFNGLUNIFORM4DVPROC gl3wUniform4dv; +extern PFNGLUNIFORMMATRIX2DVPROC gl3wUniformMatrix2dv; +extern PFNGLUNIFORMMATRIX3DVPROC gl3wUniformMatrix3dv; +extern PFNGLUNIFORMMATRIX4DVPROC gl3wUniformMatrix4dv; +extern PFNGLUNIFORMMATRIX2X3DVPROC gl3wUniformMatrix2x3dv; +extern PFNGLUNIFORMMATRIX2X4DVPROC gl3wUniformMatrix2x4dv; +extern PFNGLUNIFORMMATRIX3X2DVPROC gl3wUniformMatrix3x2dv; +extern PFNGLUNIFORMMATRIX3X4DVPROC gl3wUniformMatrix3x4dv; +extern PFNGLUNIFORMMATRIX4X2DVPROC gl3wUniformMatrix4x2dv; +extern PFNGLUNIFORMMATRIX4X3DVPROC gl3wUniformMatrix4x3dv; +extern PFNGLGETUNIFORMDVPROC gl3wGetUniformdv; +extern PFNGLGETSUBROUTINEUNIFORMLOCATIONPROC gl3wGetSubroutineUniformLocation; +extern PFNGLGETSUBROUTINEINDEXPROC gl3wGetSubroutineIndex; +extern PFNGLGETACTIVESUBROUTINEUNIFORMIVPROC gl3wGetActiveSubroutineUniformiv; +extern PFNGLGETACTIVESUBROUTINEUNIFORMNAMEPROC gl3wGetActiveSubroutineUniformName; +extern PFNGLGETACTIVESUBROUTINENAMEPROC gl3wGetActiveSubroutineName; +extern PFNGLUNIFORMSUBROUTINESUIVPROC gl3wUniformSubroutinesuiv; +extern PFNGLGETUNIFORMSUBROUTINEUIVPROC gl3wGetUniformSubroutineuiv; +extern PFNGLGETPROGRAMSTAGEIVPROC gl3wGetProgramStageiv; +extern PFNGLPATCHPARAMETERIPROC gl3wPatchParameteri; +extern PFNGLPATCHPARAMETERFVPROC gl3wPatchParameterfv; +extern PFNGLBINDTRANSFORMFEEDBACKPROC gl3wBindTransformFeedback; +extern PFNGLDELETETRANSFORMFEEDBACKSPROC gl3wDeleteTransformFeedbacks; +extern PFNGLGENTRANSFORMFEEDBACKSPROC gl3wGenTransformFeedbacks; +extern PFNGLISTRANSFORMFEEDBACKPROC gl3wIsTransformFeedback; +extern PFNGLPAUSETRANSFORMFEEDBACKPROC gl3wPauseTransformFeedback; +extern PFNGLRESUMETRANSFORMFEEDBACKPROC gl3wResumeTransformFeedback; +extern PFNGLDRAWTRANSFORMFEEDBACKPROC gl3wDrawTransformFeedback; +extern PFNGLDRAWTRANSFORMFEEDBACKSTREAMPROC gl3wDrawTransformFeedbackStream; +extern PFNGLBEGINQUERYINDEXEDPROC gl3wBeginQueryIndexed; +extern PFNGLENDQUERYINDEXEDPROC gl3wEndQueryIndexed; +extern PFNGLGETQUERYINDEXEDIVPROC gl3wGetQueryIndexediv; +extern PFNGLRELEASESHADERCOMPILERPROC gl3wReleaseShaderCompiler; +extern PFNGLSHADERBINARYPROC gl3wShaderBinary; +extern PFNGLGETSHADERPRECISIONFORMATPROC gl3wGetShaderPrecisionFormat; +extern PFNGLDEPTHRANGEFPROC gl3wDepthRangef; +extern PFNGLCLEARDEPTHFPROC gl3wClearDepthf; +extern PFNGLGETPROGRAMBINARYPROC gl3wGetProgramBinary; +extern PFNGLPROGRAMBINARYPROC gl3wProgramBinary; +extern PFNGLPROGRAMPARAMETERIPROC gl3wProgramParameteri; +extern PFNGLUSEPROGRAMSTAGESPROC gl3wUseProgramStages; +extern PFNGLACTIVESHADERPROGRAMPROC gl3wActiveShaderProgram; +extern PFNGLCREATESHADERPROGRAMVPROC gl3wCreateShaderProgramv; +extern PFNGLBINDPROGRAMPIPELINEPROC gl3wBindProgramPipeline; +extern PFNGLDELETEPROGRAMPIPELINESPROC gl3wDeleteProgramPipelines; +extern PFNGLGENPROGRAMPIPELINESPROC gl3wGenProgramPipelines; +extern PFNGLISPROGRAMPIPELINEPROC gl3wIsProgramPipeline; +extern PFNGLGETPROGRAMPIPELINEIVPROC gl3wGetProgramPipelineiv; +extern PFNGLPROGRAMUNIFORM1IPROC gl3wProgramUniform1i; +extern PFNGLPROGRAMUNIFORM1IVPROC gl3wProgramUniform1iv; +extern PFNGLPROGRAMUNIFORM1FPROC gl3wProgramUniform1f; +extern PFNGLPROGRAMUNIFORM1FVPROC gl3wProgramUniform1fv; +extern PFNGLPROGRAMUNIFORM1DPROC gl3wProgramUniform1d; +extern PFNGLPROGRAMUNIFORM1DVPROC gl3wProgramUniform1dv; +extern PFNGLPROGRAMUNIFORM1UIPROC gl3wProgramUniform1ui; +extern PFNGLPROGRAMUNIFORM1UIVPROC gl3wProgramUniform1uiv; +extern PFNGLPROGRAMUNIFORM2IPROC gl3wProgramUniform2i; +extern PFNGLPROGRAMUNIFORM2IVPROC gl3wProgramUniform2iv; +extern PFNGLPROGRAMUNIFORM2FPROC gl3wProgramUniform2f; +extern PFNGLPROGRAMUNIFORM2FVPROC gl3wProgramUniform2fv; +extern PFNGLPROGRAMUNIFORM2DPROC gl3wProgramUniform2d; +extern PFNGLPROGRAMUNIFORM2DVPROC gl3wProgramUniform2dv; +extern PFNGLPROGRAMUNIFORM2UIPROC gl3wProgramUniform2ui; +extern PFNGLPROGRAMUNIFORM2UIVPROC gl3wProgramUniform2uiv; +extern PFNGLPROGRAMUNIFORM3IPROC gl3wProgramUniform3i; +extern PFNGLPROGRAMUNIFORM3IVPROC gl3wProgramUniform3iv; +extern PFNGLPROGRAMUNIFORM3FPROC gl3wProgramUniform3f; +extern PFNGLPROGRAMUNIFORM3FVPROC gl3wProgramUniform3fv; +extern PFNGLPROGRAMUNIFORM3DPROC gl3wProgramUniform3d; +extern PFNGLPROGRAMUNIFORM3DVPROC gl3wProgramUniform3dv; +extern PFNGLPROGRAMUNIFORM3UIPROC gl3wProgramUniform3ui; +extern PFNGLPROGRAMUNIFORM3UIVPROC gl3wProgramUniform3uiv; +extern PFNGLPROGRAMUNIFORM4IPROC gl3wProgramUniform4i; +extern PFNGLPROGRAMUNIFORM4IVPROC gl3wProgramUniform4iv; +extern PFNGLPROGRAMUNIFORM4FPROC gl3wProgramUniform4f; +extern PFNGLPROGRAMUNIFORM4FVPROC gl3wProgramUniform4fv; +extern PFNGLPROGRAMUNIFORM4DPROC gl3wProgramUniform4d; +extern PFNGLPROGRAMUNIFORM4DVPROC gl3wProgramUniform4dv; +extern PFNGLPROGRAMUNIFORM4UIPROC gl3wProgramUniform4ui; +extern PFNGLPROGRAMUNIFORM4UIVPROC gl3wProgramUniform4uiv; +extern PFNGLPROGRAMUNIFORMMATRIX2FVPROC gl3wProgramUniformMatrix2fv; +extern PFNGLPROGRAMUNIFORMMATRIX3FVPROC gl3wProgramUniformMatrix3fv; +extern PFNGLPROGRAMUNIFORMMATRIX4FVPROC gl3wProgramUniformMatrix4fv; +extern PFNGLPROGRAMUNIFORMMATRIX2DVPROC gl3wProgramUniformMatrix2dv; +extern PFNGLPROGRAMUNIFORMMATRIX3DVPROC gl3wProgramUniformMatrix3dv; +extern PFNGLPROGRAMUNIFORMMATRIX4DVPROC gl3wProgramUniformMatrix4dv; +extern PFNGLPROGRAMUNIFORMMATRIX2X3FVPROC gl3wProgramUniformMatrix2x3fv; +extern PFNGLPROGRAMUNIFORMMATRIX3X2FVPROC gl3wProgramUniformMatrix3x2fv; +extern PFNGLPROGRAMUNIFORMMATRIX2X4FVPROC gl3wProgramUniformMatrix2x4fv; +extern PFNGLPROGRAMUNIFORMMATRIX4X2FVPROC gl3wProgramUniformMatrix4x2fv; +extern PFNGLPROGRAMUNIFORMMATRIX3X4FVPROC gl3wProgramUniformMatrix3x4fv; +extern PFNGLPROGRAMUNIFORMMATRIX4X3FVPROC gl3wProgramUniformMatrix4x3fv; +extern PFNGLPROGRAMUNIFORMMATRIX2X3DVPROC gl3wProgramUniformMatrix2x3dv; +extern PFNGLPROGRAMUNIFORMMATRIX3X2DVPROC gl3wProgramUniformMatrix3x2dv; +extern PFNGLPROGRAMUNIFORMMATRIX2X4DVPROC gl3wProgramUniformMatrix2x4dv; +extern PFNGLPROGRAMUNIFORMMATRIX4X2DVPROC gl3wProgramUniformMatrix4x2dv; +extern PFNGLPROGRAMUNIFORMMATRIX3X4DVPROC gl3wProgramUniformMatrix3x4dv; +extern PFNGLPROGRAMUNIFORMMATRIX4X3DVPROC gl3wProgramUniformMatrix4x3dv; +extern PFNGLVALIDATEPROGRAMPIPELINEPROC gl3wValidateProgramPipeline; +extern PFNGLGETPROGRAMPIPELINEINFOLOGPROC gl3wGetProgramPipelineInfoLog; +extern PFNGLVERTEXATTRIBL1DPROC gl3wVertexAttribL1d; +extern PFNGLVERTEXATTRIBL2DPROC gl3wVertexAttribL2d; +extern PFNGLVERTEXATTRIBL3DPROC gl3wVertexAttribL3d; +extern PFNGLVERTEXATTRIBL4DPROC gl3wVertexAttribL4d; +extern PFNGLVERTEXATTRIBL1DVPROC gl3wVertexAttribL1dv; +extern PFNGLVERTEXATTRIBL2DVPROC gl3wVertexAttribL2dv; +extern PFNGLVERTEXATTRIBL3DVPROC gl3wVertexAttribL3dv; +extern PFNGLVERTEXATTRIBL4DVPROC gl3wVertexAttribL4dv; +extern PFNGLVERTEXATTRIBLPOINTERPROC gl3wVertexAttribLPointer; +extern PFNGLGETVERTEXATTRIBLDVPROC gl3wGetVertexAttribLdv; +extern PFNGLVIEWPORTARRAYVPROC gl3wViewportArrayv; +extern PFNGLVIEWPORTINDEXEDFPROC gl3wViewportIndexedf; +extern PFNGLVIEWPORTINDEXEDFVPROC gl3wViewportIndexedfv; +extern PFNGLSCISSORARRAYVPROC gl3wScissorArrayv; +extern PFNGLSCISSORINDEXEDPROC gl3wScissorIndexed; +extern PFNGLSCISSORINDEXEDVPROC gl3wScissorIndexedv; +extern PFNGLDEPTHRANGEARRAYVPROC gl3wDepthRangeArrayv; +extern PFNGLDEPTHRANGEINDEXEDPROC gl3wDepthRangeIndexed; +extern PFNGLGETFLOATI_VPROC gl3wGetFloati_v; +extern PFNGLGETDOUBLEI_VPROC gl3wGetDoublei_v; +extern PFNGLCREATESYNCFROMCLEVENTARBPROC gl3wCreateSyncFromCLeventARB; +extern PFNGLDEBUGMESSAGECONTROLARBPROC gl3wDebugMessageControlARB; +extern PFNGLDEBUGMESSAGEINSERTARBPROC gl3wDebugMessageInsertARB; +extern PFNGLDEBUGMESSAGECALLBACKARBPROC gl3wDebugMessageCallbackARB; +extern PFNGLGETDEBUGMESSAGELOGARBPROC gl3wGetDebugMessageLogARB; +extern PFNGLGETGRAPHICSRESETSTATUSARBPROC gl3wGetGraphicsResetStatusARB; +extern PFNGLGETNTEXIMAGEARBPROC gl3wGetnTexImageARB; +extern PFNGLREADNPIXELSARBPROC gl3wReadnPixelsARB; +extern PFNGLGETNCOMPRESSEDTEXIMAGEARBPROC gl3wGetnCompressedTexImageARB; +extern PFNGLGETNUNIFORMFVARBPROC gl3wGetnUniformfvARB; +extern PFNGLGETNUNIFORMIVARBPROC gl3wGetnUniformivARB; +extern PFNGLGETNUNIFORMUIVARBPROC gl3wGetnUniformuivARB; +extern PFNGLGETNUNIFORMDVARBPROC gl3wGetnUniformdvARB; +extern PFNGLDRAWARRAYSINSTANCEDBASEINSTANCEPROC gl3wDrawArraysInstancedBaseInstance; +extern PFNGLDRAWELEMENTSINSTANCEDBASEINSTANCEPROC gl3wDrawElementsInstancedBaseInstance; +extern PFNGLDRAWELEMENTSINSTANCEDBASEVERTEXBASEINSTANCEPROC gl3wDrawElementsInstancedBaseVertexBaseInstance; +extern PFNGLDRAWTRANSFORMFEEDBACKINSTANCEDPROC gl3wDrawTransformFeedbackInstanced; +extern PFNGLDRAWTRANSFORMFEEDBACKSTREAMINSTANCEDPROC gl3wDrawTransformFeedbackStreamInstanced; +extern PFNGLGETINTERNALFORMATIVPROC gl3wGetInternalformativ; +extern PFNGLGETACTIVEATOMICCOUNTERBUFFERIVPROC gl3wGetActiveAtomicCounterBufferiv; +extern PFNGLBINDIMAGETEXTUREPROC gl3wBindImageTexture; +extern PFNGLMEMORYBARRIERPROC gl3wMemoryBarrier; +extern PFNGLTEXSTORAGE1DPROC gl3wTexStorage1D; +extern PFNGLTEXSTORAGE2DPROC gl3wTexStorage2D; +extern PFNGLTEXSTORAGE3DPROC gl3wTexStorage3D; +extern PFNGLTEXTURESTORAGE1DEXTPROC gl3wTextureStorage1DEXT; +extern PFNGLTEXTURESTORAGE2DEXTPROC gl3wTextureStorage2DEXT; +extern PFNGLTEXTURESTORAGE3DEXTPROC gl3wTextureStorage3DEXT; +extern PFNGLDEBUGMESSAGECONTROLPROC gl3wDebugMessageControl; +extern PFNGLDEBUGMESSAGEINSERTPROC gl3wDebugMessageInsert; +extern PFNGLDEBUGMESSAGECALLBACKPROC gl3wDebugMessageCallback; +extern PFNGLGETDEBUGMESSAGELOGPROC gl3wGetDebugMessageLog; +extern PFNGLPUSHDEBUGGROUPPROC gl3wPushDebugGroup; +extern PFNGLPOPDEBUGGROUPPROC gl3wPopDebugGroup; +extern PFNGLOBJECTLABELPROC gl3wObjectLabel; +extern PFNGLGETOBJECTLABELPROC gl3wGetObjectLabel; +extern PFNGLOBJECTPTRLABELPROC gl3wObjectPtrLabel; +extern PFNGLGETOBJECTPTRLABELPROC gl3wGetObjectPtrLabel; +extern PFNGLCLEARBUFFERDATAPROC gl3wClearBufferData; +extern PFNGLCLEARBUFFERSUBDATAPROC gl3wClearBufferSubData; +extern PFNGLCLEARNAMEDBUFFERDATAEXTPROC gl3wClearNamedBufferDataEXT; +extern PFNGLCLEARNAMEDBUFFERSUBDATAEXTPROC gl3wClearNamedBufferSubDataEXT; +extern PFNGLDISPATCHCOMPUTEPROC gl3wDispatchCompute; +extern PFNGLDISPATCHCOMPUTEINDIRECTPROC gl3wDispatchComputeIndirect; +extern PFNGLCOPYIMAGESUBDATAPROC gl3wCopyImageSubData; +extern PFNGLTEXTUREVIEWPROC gl3wTextureView; +extern PFNGLBINDVERTEXBUFFERPROC gl3wBindVertexBuffer; +extern PFNGLVERTEXATTRIBFORMATPROC gl3wVertexAttribFormat; +extern PFNGLVERTEXATTRIBIFORMATPROC gl3wVertexAttribIFormat; +extern PFNGLVERTEXATTRIBLFORMATPROC gl3wVertexAttribLFormat; +extern PFNGLVERTEXATTRIBBINDINGPROC gl3wVertexAttribBinding; +extern PFNGLVERTEXBINDINGDIVISORPROC gl3wVertexBindingDivisor; +extern PFNGLVERTEXARRAYBINDVERTEXBUFFEREXTPROC gl3wVertexArrayBindVertexBufferEXT; +extern PFNGLVERTEXARRAYVERTEXATTRIBFORMATEXTPROC gl3wVertexArrayVertexAttribFormatEXT; +extern PFNGLVERTEXARRAYVERTEXATTRIBIFORMATEXTPROC gl3wVertexArrayVertexAttribIFormatEXT; +extern PFNGLVERTEXARRAYVERTEXATTRIBLFORMATEXTPROC gl3wVertexArrayVertexAttribLFormatEXT; +extern PFNGLVERTEXARRAYVERTEXATTRIBBINDINGEXTPROC gl3wVertexArrayVertexAttribBindingEXT; +extern PFNGLVERTEXARRAYVERTEXBINDINGDIVISOREXTPROC gl3wVertexArrayVertexBindingDivisorEXT; +extern PFNGLFRAMEBUFFERPARAMETERIPROC gl3wFramebufferParameteri; +extern PFNGLGETFRAMEBUFFERPARAMETERIVPROC gl3wGetFramebufferParameteriv; +extern PFNGLNAMEDFRAMEBUFFERPARAMETERIEXTPROC gl3wNamedFramebufferParameteriEXT; +extern PFNGLGETNAMEDFRAMEBUFFERPARAMETERIVEXTPROC gl3wGetNamedFramebufferParameterivEXT; +extern PFNGLGETINTERNALFORMATI64VPROC gl3wGetInternalformati64v; +extern PFNGLINVALIDATETEXSUBIMAGEPROC gl3wInvalidateTexSubImage; +extern PFNGLINVALIDATETEXIMAGEPROC gl3wInvalidateTexImage; +extern PFNGLINVALIDATEBUFFERSUBDATAPROC gl3wInvalidateBufferSubData; +extern PFNGLINVALIDATEBUFFERDATAPROC gl3wInvalidateBufferData; +extern PFNGLINVALIDATEFRAMEBUFFERPROC gl3wInvalidateFramebuffer; +extern PFNGLINVALIDATESUBFRAMEBUFFERPROC gl3wInvalidateSubFramebuffer; +extern PFNGLMULTIDRAWARRAYSINDIRECTPROC gl3wMultiDrawArraysIndirect; +extern PFNGLMULTIDRAWELEMENTSINDIRECTPROC gl3wMultiDrawElementsIndirect; +extern PFNGLGETPROGRAMINTERFACEIVPROC gl3wGetProgramInterfaceiv; +extern PFNGLGETPROGRAMRESOURCEINDEXPROC gl3wGetProgramResourceIndex; +extern PFNGLGETPROGRAMRESOURCENAMEPROC gl3wGetProgramResourceName; +extern PFNGLGETPROGRAMRESOURCEIVPROC gl3wGetProgramResourceiv; +extern PFNGLGETPROGRAMRESOURCELOCATIONPROC gl3wGetProgramResourceLocation; +extern PFNGLGETPROGRAMRESOURCELOCATIONINDEXPROC gl3wGetProgramResourceLocationIndex; +extern PFNGLSHADERSTORAGEBLOCKBINDINGPROC gl3wShaderStorageBlockBinding; +extern PFNGLTEXBUFFERRANGEPROC gl3wTexBufferRange; +extern PFNGLTEXTUREBUFFERRANGEEXTPROC gl3wTextureBufferRangeEXT; +extern PFNGLTEXSTORAGE2DMULTISAMPLEPROC gl3wTexStorage2DMultisample; +extern PFNGLTEXSTORAGE3DMULTISAMPLEPROC gl3wTexStorage3DMultisample; +extern PFNGLTEXTURESTORAGE2DMULTISAMPLEEXTPROC gl3wTextureStorage2DMultisampleEXT; +extern PFNGLTEXTURESTORAGE3DMULTISAMPLEEXTPROC gl3wTextureStorage3DMultisampleEXT; + +#define glCullFace gl3wCullFace +#define glFrontFace gl3wFrontFace +#define glHint gl3wHint +#define glLineWidth gl3wLineWidth +#define glPointSize gl3wPointSize +#define glPolygonMode gl3wPolygonMode +#define glScissor gl3wScissor +#define glTexParameterf gl3wTexParameterf +#define glTexParameterfv gl3wTexParameterfv +#define glTexParameteri gl3wTexParameteri +#define glTexParameteriv gl3wTexParameteriv +#define glTexImage1D gl3wTexImage1D +#define glTexImage2D gl3wTexImage2D +#define glDrawBuffer gl3wDrawBuffer +#define glClear gl3wClear +#define glClearColor gl3wClearColor +#define glClearStencil gl3wClearStencil +#define glClearDepth gl3wClearDepth +#define glStencilMask gl3wStencilMask +#define glColorMask gl3wColorMask +#define glDepthMask gl3wDepthMask +#define glDisable gl3wDisable +#define glEnable gl3wEnable +#define glFinish gl3wFinish +#define glFlush gl3wFlush +#define glBlendFunc gl3wBlendFunc +#define glLogicOp gl3wLogicOp +#define glStencilFunc gl3wStencilFunc +#define glStencilOp gl3wStencilOp +#define glDepthFunc gl3wDepthFunc +#define glPixelStoref gl3wPixelStoref +#define glPixelStorei gl3wPixelStorei +#define glReadBuffer gl3wReadBuffer +#define glReadPixels gl3wReadPixels +#define glGetBooleanv gl3wGetBooleanv +#define glGetDoublev gl3wGetDoublev +#define glGetError gl3wGetError +#define glGetFloatv gl3wGetFloatv +#define glGetIntegerv gl3wGetIntegerv +#define glGetString gl3wGetString +#define glGetTexImage gl3wGetTexImage +#define glGetTexParameterfv gl3wGetTexParameterfv +#define glGetTexParameteriv gl3wGetTexParameteriv +#define glGetTexLevelParameterfv gl3wGetTexLevelParameterfv +#define glGetTexLevelParameteriv gl3wGetTexLevelParameteriv +#define glIsEnabled gl3wIsEnabled +#define glDepthRange gl3wDepthRange +#define glViewport gl3wViewport +#define glDrawArrays gl3wDrawArrays +#define glDrawElements gl3wDrawElements +#define glGetPointerv gl3wGetPointerv +#define glPolygonOffset gl3wPolygonOffset +#define glCopyTexImage1D gl3wCopyTexImage1D +#define glCopyTexImage2D gl3wCopyTexImage2D +#define glCopyTexSubImage1D gl3wCopyTexSubImage1D +#define glCopyTexSubImage2D gl3wCopyTexSubImage2D +#define glTexSubImage1D gl3wTexSubImage1D +#define glTexSubImage2D gl3wTexSubImage2D +#define glBindTexture gl3wBindTexture +#define glDeleteTextures gl3wDeleteTextures +#define glGenTextures gl3wGenTextures +#define glIsTexture gl3wIsTexture +#define glBlendColor gl3wBlendColor +#define glBlendEquation gl3wBlendEquation +#define glDrawRangeElements gl3wDrawRangeElements +#define glTexImage3D gl3wTexImage3D +#define glTexSubImage3D gl3wTexSubImage3D +#define glCopyTexSubImage3D gl3wCopyTexSubImage3D +#define glActiveTexture gl3wActiveTexture +#define glSampleCoverage gl3wSampleCoverage +#define glCompressedTexImage3D gl3wCompressedTexImage3D +#define glCompressedTexImage2D gl3wCompressedTexImage2D +#define glCompressedTexImage1D gl3wCompressedTexImage1D +#define glCompressedTexSubImage3D gl3wCompressedTexSubImage3D +#define glCompressedTexSubImage2D gl3wCompressedTexSubImage2D +#define glCompressedTexSubImage1D gl3wCompressedTexSubImage1D +#define glGetCompressedTexImage gl3wGetCompressedTexImage +#define glBlendFuncSeparate gl3wBlendFuncSeparate +#define glMultiDrawArrays gl3wMultiDrawArrays +#define glMultiDrawElements gl3wMultiDrawElements +#define glPointParameterf gl3wPointParameterf +#define glPointParameterfv gl3wPointParameterfv +#define glPointParameteri gl3wPointParameteri +#define glPointParameteriv gl3wPointParameteriv +#define glGenQueries gl3wGenQueries +#define glDeleteQueries gl3wDeleteQueries +#define glIsQuery gl3wIsQuery +#define glBeginQuery gl3wBeginQuery +#define glEndQuery gl3wEndQuery +#define glGetQueryiv gl3wGetQueryiv +#define glGetQueryObjectiv gl3wGetQueryObjectiv +#define glGetQueryObjectuiv gl3wGetQueryObjectuiv +#define glBindBuffer gl3wBindBuffer +#define glDeleteBuffers gl3wDeleteBuffers +#define glGenBuffers gl3wGenBuffers +#define glIsBuffer gl3wIsBuffer +#define glBufferData gl3wBufferData +#define glBufferSubData gl3wBufferSubData +#define glGetBufferSubData gl3wGetBufferSubData +#define glMapBuffer gl3wMapBuffer +#define glUnmapBuffer gl3wUnmapBuffer +#define glGetBufferParameteriv gl3wGetBufferParameteriv +#define glGetBufferPointerv gl3wGetBufferPointerv +#define glBlendEquationSeparate gl3wBlendEquationSeparate +#define glDrawBuffers gl3wDrawBuffers +#define glStencilOpSeparate gl3wStencilOpSeparate +#define glStencilFuncSeparate gl3wStencilFuncSeparate +#define glStencilMaskSeparate gl3wStencilMaskSeparate +#define glAttachShader gl3wAttachShader +#define glBindAttribLocation gl3wBindAttribLocation +#define glCompileShader gl3wCompileShader +#define glCreateProgram gl3wCreateProgram +#define glCreateShader gl3wCreateShader +#define glDeleteProgram gl3wDeleteProgram +#define glDeleteShader gl3wDeleteShader +#define glDetachShader gl3wDetachShader +#define glDisableVertexAttribArray gl3wDisableVertexAttribArray +#define glEnableVertexAttribArray gl3wEnableVertexAttribArray +#define glGetActiveAttrib gl3wGetActiveAttrib +#define glGetActiveUniform gl3wGetActiveUniform +#define glGetAttachedShaders gl3wGetAttachedShaders +#define glGetAttribLocation gl3wGetAttribLocation +#define glGetProgramiv gl3wGetProgramiv +#define glGetProgramInfoLog gl3wGetProgramInfoLog +#define glGetShaderiv gl3wGetShaderiv +#define glGetShaderInfoLog gl3wGetShaderInfoLog +#define glGetShaderSource gl3wGetShaderSource +#define glGetUniformLocation gl3wGetUniformLocation +#define glGetUniformfv gl3wGetUniformfv +#define glGetUniformiv gl3wGetUniformiv +#define glGetVertexAttribdv gl3wGetVertexAttribdv +#define glGetVertexAttribfv gl3wGetVertexAttribfv +#define glGetVertexAttribiv gl3wGetVertexAttribiv +#define glGetVertexAttribPointerv gl3wGetVertexAttribPointerv +#define glIsProgram gl3wIsProgram +#define glIsShader gl3wIsShader +#define glLinkProgram gl3wLinkProgram +#define glShaderSource gl3wShaderSource +#define glUseProgram gl3wUseProgram +#define glUniform1f gl3wUniform1f +#define glUniform2f gl3wUniform2f +#define glUniform3f gl3wUniform3f +#define glUniform4f gl3wUniform4f +#define glUniform1i gl3wUniform1i +#define glUniform2i gl3wUniform2i +#define glUniform3i gl3wUniform3i +#define glUniform4i gl3wUniform4i +#define glUniform1fv gl3wUniform1fv +#define glUniform2fv gl3wUniform2fv +#define glUniform3fv gl3wUniform3fv +#define glUniform4fv gl3wUniform4fv +#define glUniform1iv gl3wUniform1iv +#define glUniform2iv gl3wUniform2iv +#define glUniform3iv gl3wUniform3iv +#define glUniform4iv gl3wUniform4iv +#define glUniformMatrix2fv gl3wUniformMatrix2fv +#define glUniformMatrix3fv gl3wUniformMatrix3fv +#define glUniformMatrix4fv gl3wUniformMatrix4fv +#define glValidateProgram gl3wValidateProgram +#define glVertexAttrib1d gl3wVertexAttrib1d +#define glVertexAttrib1dv gl3wVertexAttrib1dv +#define glVertexAttrib1f gl3wVertexAttrib1f +#define glVertexAttrib1fv gl3wVertexAttrib1fv +#define glVertexAttrib1s gl3wVertexAttrib1s +#define glVertexAttrib1sv gl3wVertexAttrib1sv +#define glVertexAttrib2d gl3wVertexAttrib2d +#define glVertexAttrib2dv gl3wVertexAttrib2dv +#define glVertexAttrib2f gl3wVertexAttrib2f +#define glVertexAttrib2fv gl3wVertexAttrib2fv +#define glVertexAttrib2s gl3wVertexAttrib2s +#define glVertexAttrib2sv gl3wVertexAttrib2sv +#define glVertexAttrib3d gl3wVertexAttrib3d +#define glVertexAttrib3dv gl3wVertexAttrib3dv +#define glVertexAttrib3f gl3wVertexAttrib3f +#define glVertexAttrib3fv gl3wVertexAttrib3fv +#define glVertexAttrib3s gl3wVertexAttrib3s +#define glVertexAttrib3sv gl3wVertexAttrib3sv +#define glVertexAttrib4Nbv gl3wVertexAttrib4Nbv +#define glVertexAttrib4Niv gl3wVertexAttrib4Niv +#define glVertexAttrib4Nsv gl3wVertexAttrib4Nsv +#define glVertexAttrib4Nub gl3wVertexAttrib4Nub +#define glVertexAttrib4Nubv gl3wVertexAttrib4Nubv +#define glVertexAttrib4Nuiv gl3wVertexAttrib4Nuiv +#define glVertexAttrib4Nusv gl3wVertexAttrib4Nusv +#define glVertexAttrib4bv gl3wVertexAttrib4bv +#define glVertexAttrib4d gl3wVertexAttrib4d +#define glVertexAttrib4dv gl3wVertexAttrib4dv +#define glVertexAttrib4f gl3wVertexAttrib4f +#define glVertexAttrib4fv gl3wVertexAttrib4fv +#define glVertexAttrib4iv gl3wVertexAttrib4iv +#define glVertexAttrib4s gl3wVertexAttrib4s +#define glVertexAttrib4sv gl3wVertexAttrib4sv +#define glVertexAttrib4ubv gl3wVertexAttrib4ubv +#define glVertexAttrib4uiv gl3wVertexAttrib4uiv +#define glVertexAttrib4usv gl3wVertexAttrib4usv +#define glVertexAttribPointer gl3wVertexAttribPointer +#define glUniformMatrix2x3fv gl3wUniformMatrix2x3fv +#define glUniformMatrix3x2fv gl3wUniformMatrix3x2fv +#define glUniformMatrix2x4fv gl3wUniformMatrix2x4fv +#define glUniformMatrix4x2fv gl3wUniformMatrix4x2fv +#define glUniformMatrix3x4fv gl3wUniformMatrix3x4fv +#define glUniformMatrix4x3fv gl3wUniformMatrix4x3fv +#define glColorMaski gl3wColorMaski +#define glGetBooleani_v gl3wGetBooleani_v +#define glGetIntegeri_v gl3wGetIntegeri_v +#define glEnablei gl3wEnablei +#define glDisablei gl3wDisablei +#define glIsEnabledi gl3wIsEnabledi +#define glBeginTransformFeedback gl3wBeginTransformFeedback +#define glEndTransformFeedback gl3wEndTransformFeedback +#define glBindBufferRange gl3wBindBufferRange +#define glBindBufferBase gl3wBindBufferBase +#define glTransformFeedbackVaryings gl3wTransformFeedbackVaryings +#define glGetTransformFeedbackVarying gl3wGetTransformFeedbackVarying +#define glClampColor gl3wClampColor +#define glBeginConditionalRender gl3wBeginConditionalRender +#define glEndConditionalRender gl3wEndConditionalRender +#define glVertexAttribIPointer gl3wVertexAttribIPointer +#define glGetVertexAttribIiv gl3wGetVertexAttribIiv +#define glGetVertexAttribIuiv gl3wGetVertexAttribIuiv +#define glVertexAttribI1i gl3wVertexAttribI1i +#define glVertexAttribI2i gl3wVertexAttribI2i +#define glVertexAttribI3i gl3wVertexAttribI3i +#define glVertexAttribI4i gl3wVertexAttribI4i +#define glVertexAttribI1ui gl3wVertexAttribI1ui +#define glVertexAttribI2ui gl3wVertexAttribI2ui +#define glVertexAttribI3ui gl3wVertexAttribI3ui +#define glVertexAttribI4ui gl3wVertexAttribI4ui +#define glVertexAttribI1iv gl3wVertexAttribI1iv +#define glVertexAttribI2iv gl3wVertexAttribI2iv +#define glVertexAttribI3iv gl3wVertexAttribI3iv +#define glVertexAttribI4iv gl3wVertexAttribI4iv +#define glVertexAttribI1uiv gl3wVertexAttribI1uiv +#define glVertexAttribI2uiv gl3wVertexAttribI2uiv +#define glVertexAttribI3uiv gl3wVertexAttribI3uiv +#define glVertexAttribI4uiv gl3wVertexAttribI4uiv +#define glVertexAttribI4bv gl3wVertexAttribI4bv +#define glVertexAttribI4sv gl3wVertexAttribI4sv +#define glVertexAttribI4ubv gl3wVertexAttribI4ubv +#define glVertexAttribI4usv gl3wVertexAttribI4usv +#define glGetUniformuiv gl3wGetUniformuiv +#define glBindFragDataLocation gl3wBindFragDataLocation +#define glGetFragDataLocation gl3wGetFragDataLocation +#define glUniform1ui gl3wUniform1ui +#define glUniform2ui gl3wUniform2ui +#define glUniform3ui gl3wUniform3ui +#define glUniform4ui gl3wUniform4ui +#define glUniform1uiv gl3wUniform1uiv +#define glUniform2uiv gl3wUniform2uiv +#define glUniform3uiv gl3wUniform3uiv +#define glUniform4uiv gl3wUniform4uiv +#define glTexParameterIiv gl3wTexParameterIiv +#define glTexParameterIuiv gl3wTexParameterIuiv +#define glGetTexParameterIiv gl3wGetTexParameterIiv +#define glGetTexParameterIuiv gl3wGetTexParameterIuiv +#define glClearBufferiv gl3wClearBufferiv +#define glClearBufferuiv gl3wClearBufferuiv +#define glClearBufferfv gl3wClearBufferfv +#define glClearBufferfi gl3wClearBufferfi +#define glGetStringi gl3wGetStringi +#define glDrawArraysInstanced gl3wDrawArraysInstanced +#define glDrawElementsInstanced gl3wDrawElementsInstanced +#define glTexBuffer gl3wTexBuffer +#define glPrimitiveRestartIndex gl3wPrimitiveRestartIndex +#define glGetInteger64i_v gl3wGetInteger64i_v +#define glGetBufferParameteri64v gl3wGetBufferParameteri64v +#define glFramebufferTexture gl3wFramebufferTexture +#define glVertexAttribDivisor gl3wVertexAttribDivisor +#define glMinSampleShading gl3wMinSampleShading +#define glBlendEquationi gl3wBlendEquationi +#define glBlendEquationSeparatei gl3wBlendEquationSeparatei +#define glBlendFunci gl3wBlendFunci +#define glBlendFuncSeparatei gl3wBlendFuncSeparatei +#define glIsRenderbuffer gl3wIsRenderbuffer +#define glBindRenderbuffer gl3wBindRenderbuffer +#define glDeleteRenderbuffers gl3wDeleteRenderbuffers +#define glGenRenderbuffers gl3wGenRenderbuffers +#define glRenderbufferStorage gl3wRenderbufferStorage +#define glGetRenderbufferParameteriv gl3wGetRenderbufferParameteriv +#define glIsFramebuffer gl3wIsFramebuffer +#define glBindFramebuffer gl3wBindFramebuffer +#define glDeleteFramebuffers gl3wDeleteFramebuffers +#define glGenFramebuffers gl3wGenFramebuffers +#define glCheckFramebufferStatus gl3wCheckFramebufferStatus +#define glFramebufferTexture1D gl3wFramebufferTexture1D +#define glFramebufferTexture2D gl3wFramebufferTexture2D +#define glFramebufferTexture3D gl3wFramebufferTexture3D +#define glFramebufferRenderbuffer gl3wFramebufferRenderbuffer +#define glGetFramebufferAttachmentParameteriv gl3wGetFramebufferAttachmentParameteriv +#define glGenerateMipmap gl3wGenerateMipmap +#define glBlitFramebuffer gl3wBlitFramebuffer +#define glRenderbufferStorageMultisample gl3wRenderbufferStorageMultisample +#define glFramebufferTextureLayer gl3wFramebufferTextureLayer +#define glMapBufferRange gl3wMapBufferRange +#define glFlushMappedBufferRange gl3wFlushMappedBufferRange +#define glBindVertexArray gl3wBindVertexArray +#define glDeleteVertexArrays gl3wDeleteVertexArrays +#define glGenVertexArrays gl3wGenVertexArrays +#define glIsVertexArray gl3wIsVertexArray +#define glGetUniformIndices gl3wGetUniformIndices +#define glGetActiveUniformsiv gl3wGetActiveUniformsiv +#define glGetActiveUniformName gl3wGetActiveUniformName +#define glGetUniformBlockIndex gl3wGetUniformBlockIndex +#define glGetActiveUniformBlockiv gl3wGetActiveUniformBlockiv +#define glGetActiveUniformBlockName gl3wGetActiveUniformBlockName +#define glUniformBlockBinding gl3wUniformBlockBinding +#define glCopyBufferSubData gl3wCopyBufferSubData +#define glDrawElementsBaseVertex gl3wDrawElementsBaseVertex +#define glDrawRangeElementsBaseVertex gl3wDrawRangeElementsBaseVertex +#define glDrawElementsInstancedBaseVertex gl3wDrawElementsInstancedBaseVertex +#define glMultiDrawElementsBaseVertex gl3wMultiDrawElementsBaseVertex +#define glProvokingVertex gl3wProvokingVertex +#define glFenceSync gl3wFenceSync +#define glIsSync gl3wIsSync +#define glDeleteSync gl3wDeleteSync +#define glClientWaitSync gl3wClientWaitSync +#define glWaitSync gl3wWaitSync +#define glGetInteger64v gl3wGetInteger64v +#define glGetSynciv gl3wGetSynciv +#define glTexImage2DMultisample gl3wTexImage2DMultisample +#define glTexImage3DMultisample gl3wTexImage3DMultisample +#define glGetMultisamplefv gl3wGetMultisamplefv +#define glSampleMaski gl3wSampleMaski +#define glBlendEquationiARB gl3wBlendEquationiARB +#define glBlendEquationSeparateiARB gl3wBlendEquationSeparateiARB +#define glBlendFunciARB gl3wBlendFunciARB +#define glBlendFuncSeparateiARB gl3wBlendFuncSeparateiARB +#define glMinSampleShadingARB gl3wMinSampleShadingARB +#define glNamedStringARB gl3wNamedStringARB +#define glDeleteNamedStringARB gl3wDeleteNamedStringARB +#define glCompileShaderIncludeARB gl3wCompileShaderIncludeARB +#define glIsNamedStringARB gl3wIsNamedStringARB +#define glGetNamedStringARB gl3wGetNamedStringARB +#define glGetNamedStringivARB gl3wGetNamedStringivARB +#define glBindFragDataLocationIndexed gl3wBindFragDataLocationIndexed +#define glGetFragDataIndex gl3wGetFragDataIndex +#define glGenSamplers gl3wGenSamplers +#define glDeleteSamplers gl3wDeleteSamplers +#define glIsSampler gl3wIsSampler +#define glBindSampler gl3wBindSampler +#define glSamplerParameteri gl3wSamplerParameteri +#define glSamplerParameteriv gl3wSamplerParameteriv +#define glSamplerParameterf gl3wSamplerParameterf +#define glSamplerParameterfv gl3wSamplerParameterfv +#define glSamplerParameterIiv gl3wSamplerParameterIiv +#define glSamplerParameterIuiv gl3wSamplerParameterIuiv +#define glGetSamplerParameteriv gl3wGetSamplerParameteriv +#define glGetSamplerParameterIiv gl3wGetSamplerParameterIiv +#define glGetSamplerParameterfv gl3wGetSamplerParameterfv +#define glGetSamplerParameterIuiv gl3wGetSamplerParameterIuiv +#define glQueryCounter gl3wQueryCounter +#define glGetQueryObjecti64v gl3wGetQueryObjecti64v +#define glGetQueryObjectui64v gl3wGetQueryObjectui64v +#define glVertexP2ui gl3wVertexP2ui +#define glVertexP2uiv gl3wVertexP2uiv +#define glVertexP3ui gl3wVertexP3ui +#define glVertexP3uiv gl3wVertexP3uiv +#define glVertexP4ui gl3wVertexP4ui +#define glVertexP4uiv gl3wVertexP4uiv +#define glTexCoordP1ui gl3wTexCoordP1ui +#define glTexCoordP1uiv gl3wTexCoordP1uiv +#define glTexCoordP2ui gl3wTexCoordP2ui +#define glTexCoordP2uiv gl3wTexCoordP2uiv +#define glTexCoordP3ui gl3wTexCoordP3ui +#define glTexCoordP3uiv gl3wTexCoordP3uiv +#define glTexCoordP4ui gl3wTexCoordP4ui +#define glTexCoordP4uiv gl3wTexCoordP4uiv +#define glMultiTexCoordP1ui gl3wMultiTexCoordP1ui +#define glMultiTexCoordP1uiv gl3wMultiTexCoordP1uiv +#define glMultiTexCoordP2ui gl3wMultiTexCoordP2ui +#define glMultiTexCoordP2uiv gl3wMultiTexCoordP2uiv +#define glMultiTexCoordP3ui gl3wMultiTexCoordP3ui +#define glMultiTexCoordP3uiv gl3wMultiTexCoordP3uiv +#define glMultiTexCoordP4ui gl3wMultiTexCoordP4ui +#define glMultiTexCoordP4uiv gl3wMultiTexCoordP4uiv +#define glNormalP3ui gl3wNormalP3ui +#define glNormalP3uiv gl3wNormalP3uiv +#define glColorP3ui gl3wColorP3ui +#define glColorP3uiv gl3wColorP3uiv +#define glColorP4ui gl3wColorP4ui +#define glColorP4uiv gl3wColorP4uiv +#define glSecondaryColorP3ui gl3wSecondaryColorP3ui +#define glSecondaryColorP3uiv gl3wSecondaryColorP3uiv +#define glVertexAttribP1ui gl3wVertexAttribP1ui +#define glVertexAttribP1uiv gl3wVertexAttribP1uiv +#define glVertexAttribP2ui gl3wVertexAttribP2ui +#define glVertexAttribP2uiv gl3wVertexAttribP2uiv +#define glVertexAttribP3ui gl3wVertexAttribP3ui +#define glVertexAttribP3uiv gl3wVertexAttribP3uiv +#define glVertexAttribP4ui gl3wVertexAttribP4ui +#define glVertexAttribP4uiv gl3wVertexAttribP4uiv +#define glDrawArraysIndirect gl3wDrawArraysIndirect +#define glDrawElementsIndirect gl3wDrawElementsIndirect +#define glUniform1d gl3wUniform1d +#define glUniform2d gl3wUniform2d +#define glUniform3d gl3wUniform3d +#define glUniform4d gl3wUniform4d +#define glUniform1dv gl3wUniform1dv +#define glUniform2dv gl3wUniform2dv +#define glUniform3dv gl3wUniform3dv +#define glUniform4dv gl3wUniform4dv +#define glUniformMatrix2dv gl3wUniformMatrix2dv +#define glUniformMatrix3dv gl3wUniformMatrix3dv +#define glUniformMatrix4dv gl3wUniformMatrix4dv +#define glUniformMatrix2x3dv gl3wUniformMatrix2x3dv +#define glUniformMatrix2x4dv gl3wUniformMatrix2x4dv +#define glUniformMatrix3x2dv gl3wUniformMatrix3x2dv +#define glUniformMatrix3x4dv gl3wUniformMatrix3x4dv +#define glUniformMatrix4x2dv gl3wUniformMatrix4x2dv +#define glUniformMatrix4x3dv gl3wUniformMatrix4x3dv +#define glGetUniformdv gl3wGetUniformdv +#define glGetSubroutineUniformLocation gl3wGetSubroutineUniformLocation +#define glGetSubroutineIndex gl3wGetSubroutineIndex +#define glGetActiveSubroutineUniformiv gl3wGetActiveSubroutineUniformiv +#define glGetActiveSubroutineUniformName gl3wGetActiveSubroutineUniformName +#define glGetActiveSubroutineName gl3wGetActiveSubroutineName +#define glUniformSubroutinesuiv gl3wUniformSubroutinesuiv +#define glGetUniformSubroutineuiv gl3wGetUniformSubroutineuiv +#define glGetProgramStageiv gl3wGetProgramStageiv +#define glPatchParameteri gl3wPatchParameteri +#define glPatchParameterfv gl3wPatchParameterfv +#define glBindTransformFeedback gl3wBindTransformFeedback +#define glDeleteTransformFeedbacks gl3wDeleteTransformFeedbacks +#define glGenTransformFeedbacks gl3wGenTransformFeedbacks +#define glIsTransformFeedback gl3wIsTransformFeedback +#define glPauseTransformFeedback gl3wPauseTransformFeedback +#define glResumeTransformFeedback gl3wResumeTransformFeedback +#define glDrawTransformFeedback gl3wDrawTransformFeedback +#define glDrawTransformFeedbackStream gl3wDrawTransformFeedbackStream +#define glBeginQueryIndexed gl3wBeginQueryIndexed +#define glEndQueryIndexed gl3wEndQueryIndexed +#define glGetQueryIndexediv gl3wGetQueryIndexediv +#define glReleaseShaderCompiler gl3wReleaseShaderCompiler +#define glShaderBinary gl3wShaderBinary +#define glGetShaderPrecisionFormat gl3wGetShaderPrecisionFormat +#define glDepthRangef gl3wDepthRangef +#define glClearDepthf gl3wClearDepthf +#define glGetProgramBinary gl3wGetProgramBinary +#define glProgramBinary gl3wProgramBinary +#define glProgramParameteri gl3wProgramParameteri +#define glUseProgramStages gl3wUseProgramStages +#define glActiveShaderProgram gl3wActiveShaderProgram +#define glCreateShaderProgramv gl3wCreateShaderProgramv +#define glBindProgramPipeline gl3wBindProgramPipeline +#define glDeleteProgramPipelines gl3wDeleteProgramPipelines +#define glGenProgramPipelines gl3wGenProgramPipelines +#define glIsProgramPipeline gl3wIsProgramPipeline +#define glGetProgramPipelineiv gl3wGetProgramPipelineiv +#define glProgramUniform1i gl3wProgramUniform1i +#define glProgramUniform1iv gl3wProgramUniform1iv +#define glProgramUniform1f gl3wProgramUniform1f +#define glProgramUniform1fv gl3wProgramUniform1fv +#define glProgramUniform1d gl3wProgramUniform1d +#define glProgramUniform1dv gl3wProgramUniform1dv +#define glProgramUniform1ui gl3wProgramUniform1ui +#define glProgramUniform1uiv gl3wProgramUniform1uiv +#define glProgramUniform2i gl3wProgramUniform2i +#define glProgramUniform2iv gl3wProgramUniform2iv +#define glProgramUniform2f gl3wProgramUniform2f +#define glProgramUniform2fv gl3wProgramUniform2fv +#define glProgramUniform2d gl3wProgramUniform2d +#define glProgramUniform2dv gl3wProgramUniform2dv +#define glProgramUniform2ui gl3wProgramUniform2ui +#define glProgramUniform2uiv gl3wProgramUniform2uiv +#define glProgramUniform3i gl3wProgramUniform3i +#define glProgramUniform3iv gl3wProgramUniform3iv +#define glProgramUniform3f gl3wProgramUniform3f +#define glProgramUniform3fv gl3wProgramUniform3fv +#define glProgramUniform3d gl3wProgramUniform3d +#define glProgramUniform3dv gl3wProgramUniform3dv +#define glProgramUniform3ui gl3wProgramUniform3ui +#define glProgramUniform3uiv gl3wProgramUniform3uiv +#define glProgramUniform4i gl3wProgramUniform4i +#define glProgramUniform4iv gl3wProgramUniform4iv +#define glProgramUniform4f gl3wProgramUniform4f +#define glProgramUniform4fv gl3wProgramUniform4fv +#define glProgramUniform4d gl3wProgramUniform4d +#define glProgramUniform4dv gl3wProgramUniform4dv +#define glProgramUniform4ui gl3wProgramUniform4ui +#define glProgramUniform4uiv gl3wProgramUniform4uiv +#define glProgramUniformMatrix2fv gl3wProgramUniformMatrix2fv +#define glProgramUniformMatrix3fv gl3wProgramUniformMatrix3fv +#define glProgramUniformMatrix4fv gl3wProgramUniformMatrix4fv +#define glProgramUniformMatrix2dv gl3wProgramUniformMatrix2dv +#define glProgramUniformMatrix3dv gl3wProgramUniformMatrix3dv +#define glProgramUniformMatrix4dv gl3wProgramUniformMatrix4dv +#define glProgramUniformMatrix2x3fv gl3wProgramUniformMatrix2x3fv +#define glProgramUniformMatrix3x2fv gl3wProgramUniformMatrix3x2fv +#define glProgramUniformMatrix2x4fv gl3wProgramUniformMatrix2x4fv +#define glProgramUniformMatrix4x2fv gl3wProgramUniformMatrix4x2fv +#define glProgramUniformMatrix3x4fv gl3wProgramUniformMatrix3x4fv +#define glProgramUniformMatrix4x3fv gl3wProgramUniformMatrix4x3fv +#define glProgramUniformMatrix2x3dv gl3wProgramUniformMatrix2x3dv +#define glProgramUniformMatrix3x2dv gl3wProgramUniformMatrix3x2dv +#define glProgramUniformMatrix2x4dv gl3wProgramUniformMatrix2x4dv +#define glProgramUniformMatrix4x2dv gl3wProgramUniformMatrix4x2dv +#define glProgramUniformMatrix3x4dv gl3wProgramUniformMatrix3x4dv +#define glProgramUniformMatrix4x3dv gl3wProgramUniformMatrix4x3dv +#define glValidateProgramPipeline gl3wValidateProgramPipeline +#define glGetProgramPipelineInfoLog gl3wGetProgramPipelineInfoLog +#define glVertexAttribL1d gl3wVertexAttribL1d +#define glVertexAttribL2d gl3wVertexAttribL2d +#define glVertexAttribL3d gl3wVertexAttribL3d +#define glVertexAttribL4d gl3wVertexAttribL4d +#define glVertexAttribL1dv gl3wVertexAttribL1dv +#define glVertexAttribL2dv gl3wVertexAttribL2dv +#define glVertexAttribL3dv gl3wVertexAttribL3dv +#define glVertexAttribL4dv gl3wVertexAttribL4dv +#define glVertexAttribLPointer gl3wVertexAttribLPointer +#define glGetVertexAttribLdv gl3wGetVertexAttribLdv +#define glViewportArrayv gl3wViewportArrayv +#define glViewportIndexedf gl3wViewportIndexedf +#define glViewportIndexedfv gl3wViewportIndexedfv +#define glScissorArrayv gl3wScissorArrayv +#define glScissorIndexed gl3wScissorIndexed +#define glScissorIndexedv gl3wScissorIndexedv +#define glDepthRangeArrayv gl3wDepthRangeArrayv +#define glDepthRangeIndexed gl3wDepthRangeIndexed +#define glGetFloati_v gl3wGetFloati_v +#define glGetDoublei_v gl3wGetDoublei_v +#define glCreateSyncFromCLeventARB gl3wCreateSyncFromCLeventARB +#define glDebugMessageControlARB gl3wDebugMessageControlARB +#define glDebugMessageInsertARB gl3wDebugMessageInsertARB +#define glDebugMessageCallbackARB gl3wDebugMessageCallbackARB +#define glGetDebugMessageLogARB gl3wGetDebugMessageLogARB +#define glGetGraphicsResetStatusARB gl3wGetGraphicsResetStatusARB +#define glGetnTexImageARB gl3wGetnTexImageARB +#define glReadnPixelsARB gl3wReadnPixelsARB +#define glGetnCompressedTexImageARB gl3wGetnCompressedTexImageARB +#define glGetnUniformfvARB gl3wGetnUniformfvARB +#define glGetnUniformivARB gl3wGetnUniformivARB +#define glGetnUniformuivARB gl3wGetnUniformuivARB +#define glGetnUniformdvARB gl3wGetnUniformdvARB +#define glDrawArraysInstancedBaseInstance gl3wDrawArraysInstancedBaseInstance +#define glDrawElementsInstancedBaseInstance gl3wDrawElementsInstancedBaseInstance +#define glDrawElementsInstancedBaseVertexBaseInstance gl3wDrawElementsInstancedBaseVertexBaseInstance +#define glDrawTransformFeedbackInstanced gl3wDrawTransformFeedbackInstanced +#define glDrawTransformFeedbackStreamInstanced gl3wDrawTransformFeedbackStreamInstanced +#define glGetInternalformativ gl3wGetInternalformativ +#define glGetActiveAtomicCounterBufferiv gl3wGetActiveAtomicCounterBufferiv +#define glBindImageTexture gl3wBindImageTexture +#define glMemoryBarrier gl3wMemoryBarrier +#define glTexStorage1D gl3wTexStorage1D +#define glTexStorage2D gl3wTexStorage2D +#define glTexStorage3D gl3wTexStorage3D +#define glTextureStorage1DEXT gl3wTextureStorage1DEXT +#define glTextureStorage2DEXT gl3wTextureStorage2DEXT +#define glTextureStorage3DEXT gl3wTextureStorage3DEXT +#define glDebugMessageControl gl3wDebugMessageControl +#define glDebugMessageInsert gl3wDebugMessageInsert +#define glDebugMessageCallback gl3wDebugMessageCallback +#define glGetDebugMessageLog gl3wGetDebugMessageLog +#define glPushDebugGroup gl3wPushDebugGroup +#define glPopDebugGroup gl3wPopDebugGroup +#define glObjectLabel gl3wObjectLabel +#define glGetObjectLabel gl3wGetObjectLabel +#define glObjectPtrLabel gl3wObjectPtrLabel +#define glGetObjectPtrLabel gl3wGetObjectPtrLabel +#define glClearBufferData gl3wClearBufferData +#define glClearBufferSubData gl3wClearBufferSubData +#define glClearNamedBufferDataEXT gl3wClearNamedBufferDataEXT +#define glClearNamedBufferSubDataEXT gl3wClearNamedBufferSubDataEXT +#define glDispatchCompute gl3wDispatchCompute +#define glDispatchComputeIndirect gl3wDispatchComputeIndirect +#define glCopyImageSubData gl3wCopyImageSubData +#define glTextureView gl3wTextureView +#define glBindVertexBuffer gl3wBindVertexBuffer +#define glVertexAttribFormat gl3wVertexAttribFormat +#define glVertexAttribIFormat gl3wVertexAttribIFormat +#define glVertexAttribLFormat gl3wVertexAttribLFormat +#define glVertexAttribBinding gl3wVertexAttribBinding +#define glVertexBindingDivisor gl3wVertexBindingDivisor +#define glVertexArrayBindVertexBufferEXT gl3wVertexArrayBindVertexBufferEXT +#define glVertexArrayVertexAttribFormatEXT gl3wVertexArrayVertexAttribFormatEXT +#define glVertexArrayVertexAttribIFormatEXT gl3wVertexArrayVertexAttribIFormatEXT +#define glVertexArrayVertexAttribLFormatEXT gl3wVertexArrayVertexAttribLFormatEXT +#define glVertexArrayVertexAttribBindingEXT gl3wVertexArrayVertexAttribBindingEXT +#define glVertexArrayVertexBindingDivisorEXT gl3wVertexArrayVertexBindingDivisorEXT +#define glFramebufferParameteri gl3wFramebufferParameteri +#define glGetFramebufferParameteriv gl3wGetFramebufferParameteriv +#define glNamedFramebufferParameteriEXT gl3wNamedFramebufferParameteriEXT +#define glGetNamedFramebufferParameterivEXT gl3wGetNamedFramebufferParameterivEXT +#define glGetInternalformati64v gl3wGetInternalformati64v +#define glInvalidateTexSubImage gl3wInvalidateTexSubImage +#define glInvalidateTexImage gl3wInvalidateTexImage +#define glInvalidateBufferSubData gl3wInvalidateBufferSubData +#define glInvalidateBufferData gl3wInvalidateBufferData +#define glInvalidateFramebuffer gl3wInvalidateFramebuffer +#define glInvalidateSubFramebuffer gl3wInvalidateSubFramebuffer +#define glMultiDrawArraysIndirect gl3wMultiDrawArraysIndirect +#define glMultiDrawElementsIndirect gl3wMultiDrawElementsIndirect +#define glGetProgramInterfaceiv gl3wGetProgramInterfaceiv +#define glGetProgramResourceIndex gl3wGetProgramResourceIndex +#define glGetProgramResourceName gl3wGetProgramResourceName +#define glGetProgramResourceiv gl3wGetProgramResourceiv +#define glGetProgramResourceLocation gl3wGetProgramResourceLocation +#define glGetProgramResourceLocationIndex gl3wGetProgramResourceLocationIndex +#define glShaderStorageBlockBinding gl3wShaderStorageBlockBinding +#define glTexBufferRange gl3wTexBufferRange +#define glTextureBufferRangeEXT gl3wTextureBufferRangeEXT +#define glTexStorage2DMultisample gl3wTexStorage2DMultisample +#define glTexStorage3DMultisample gl3wTexStorage3DMultisample +#define glTextureStorage2DMultisampleEXT gl3wTextureStorage2DMultisampleEXT +#define glTextureStorage3DMultisampleEXT gl3wTextureStorage3DMultisampleEXT + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/imgui-submodule/imgui/examples/libs/gl3w/GL/glcorearb.h b/imgui-submodule/imgui/examples/libs/gl3w/GL/glcorearb.h new file mode 100644 index 0000000..07cb03e --- /dev/null +++ b/imgui-submodule/imgui/examples/libs/gl3w/GL/glcorearb.h @@ -0,0 +1,4533 @@ +#ifndef __glcorearb_h_ +#define __glcorearb_h_ + +#ifdef __cplusplus +extern "C" { +#endif + +/* +** Copyright (c) 2007-2012 The Khronos Group Inc. +** +** Permission is hereby granted, free of charge, to any person obtaining a +** copy of this software and/or associated documentation files (the +** "Materials"), to deal in the Materials without restriction, including +** without limitation the rights to use, copy, modify, merge, publish, +** distribute, sublicense, and/or sell copies of the Materials, and to +** permit persons to whom the Materials are furnished to do so, subject to +** the following conditions: +** +** The above copyright notice and this permission notice shall be included +** in all copies or substantial portions of the Materials. +** +** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY +** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, +** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS. +*/ + +/* glcorearb.h replaces gl3.h. It is for use with OpenGL core + * profile implementations. + * + * glcorearb.h last updated on $Date: 2012-09-19 19:02:24 -0700 (Wed, 19 Sep 2012) $ + * + * RELEASE NOTES - 2012/09/19 + * + * glcorearb.h should be placed in the same directory as gl.h and + * included as + * ''. + * + * glcorearb.h includes only APIs in the latest OpenGL core profile + * implementation together with APIs in newer ARB extensions which can be + * can be supported by the core profile. It does not, and never will + * include functionality removed from the core profile, such as + * fixed-function vertex and fragment processing. + * + * It is not possible to #include both and either of + * or in the same source file. + * + * Feedback can be given by registering for the Khronos Bugzilla + * (www.khronos.org/bugzilla) and filing issues there under product + * "OpenGL", category "Registry". + */ + +/* Function declaration macros - to move into glplatform.h */ + +#if defined(_WIN32) && !defined(APIENTRY) && !defined(__CYGWIN__) && !defined(__SCITECH_SNAP__) +#define WIN32_LEAN_AND_MEAN 1 +#include +#endif + +#ifndef APIENTRY +#define APIENTRY +#endif +#ifndef APIENTRYP +#define APIENTRYP APIENTRY * +#endif +#ifndef GLAPI +#define GLAPI extern +#endif + +/* Base GL types */ + +typedef unsigned int GLenum; +typedef unsigned char GLboolean; +typedef unsigned int GLbitfield; +typedef signed char GLbyte; +typedef short GLshort; +typedef int GLint; +typedef int GLsizei; +typedef unsigned char GLubyte; +typedef unsigned short GLushort; +typedef unsigned int GLuint; +typedef unsigned short GLhalf; +typedef float GLfloat; +typedef float GLclampf; +typedef double GLdouble; +typedef double GLclampd; +typedef void GLvoid; + +/*************************************************************/ + +#ifndef GL_VERSION_1_1 +/* AttribMask */ +#define GL_DEPTH_BUFFER_BIT 0x00000100 +#define GL_STENCIL_BUFFER_BIT 0x00000400 +#define GL_COLOR_BUFFER_BIT 0x00004000 +/* Boolean */ +#define GL_FALSE 0 +#define GL_TRUE 1 +/* BeginMode */ +#define GL_POINTS 0x0000 +#define GL_LINES 0x0001 +#define GL_LINE_LOOP 0x0002 +#define GL_LINE_STRIP 0x0003 +#define GL_TRIANGLES 0x0004 +#define GL_TRIANGLE_STRIP 0x0005 +#define GL_TRIANGLE_FAN 0x0006 +#define GL_QUADS 0x0007 +/* AlphaFunction */ +#define GL_NEVER 0x0200 +#define GL_LESS 0x0201 +#define GL_EQUAL 0x0202 +#define GL_LEQUAL 0x0203 +#define GL_GREATER 0x0204 +#define GL_NOTEQUAL 0x0205 +#define GL_GEQUAL 0x0206 +#define GL_ALWAYS 0x0207 +/* BlendingFactorDest */ +#define GL_ZERO 0 +#define GL_ONE 1 +#define GL_SRC_COLOR 0x0300 +#define GL_ONE_MINUS_SRC_COLOR 0x0301 +#define GL_SRC_ALPHA 0x0302 +#define GL_ONE_MINUS_SRC_ALPHA 0x0303 +#define GL_DST_ALPHA 0x0304 +#define GL_ONE_MINUS_DST_ALPHA 0x0305 +/* BlendingFactorSrc */ +#define GL_DST_COLOR 0x0306 +#define GL_ONE_MINUS_DST_COLOR 0x0307 +#define GL_SRC_ALPHA_SATURATE 0x0308 +/* DrawBufferMode */ +#define GL_NONE 0 +#define GL_FRONT_LEFT 0x0400 +#define GL_FRONT_RIGHT 0x0401 +#define GL_BACK_LEFT 0x0402 +#define GL_BACK_RIGHT 0x0403 +#define GL_FRONT 0x0404 +#define GL_BACK 0x0405 +#define GL_LEFT 0x0406 +#define GL_RIGHT 0x0407 +#define GL_FRONT_AND_BACK 0x0408 +/* ErrorCode */ +#define GL_NO_ERROR 0 +#define GL_INVALID_ENUM 0x0500 +#define GL_INVALID_VALUE 0x0501 +#define GL_INVALID_OPERATION 0x0502 +#define GL_OUT_OF_MEMORY 0x0505 +/* FrontFaceDirection */ +#define GL_CW 0x0900 +#define GL_CCW 0x0901 +/* GetPName */ +#define GL_POINT_SIZE 0x0B11 +#define GL_POINT_SIZE_RANGE 0x0B12 +#define GL_POINT_SIZE_GRANULARITY 0x0B13 +#define GL_LINE_SMOOTH 0x0B20 +#define GL_LINE_WIDTH 0x0B21 +#define GL_LINE_WIDTH_RANGE 0x0B22 +#define GL_LINE_WIDTH_GRANULARITY 0x0B23 +#define GL_POLYGON_MODE 0x0B40 +#define GL_POLYGON_SMOOTH 0x0B41 +#define GL_CULL_FACE 0x0B44 +#define GL_CULL_FACE_MODE 0x0B45 +#define GL_FRONT_FACE 0x0B46 +#define GL_DEPTH_RANGE 0x0B70 +#define GL_DEPTH_TEST 0x0B71 +#define GL_DEPTH_WRITEMASK 0x0B72 +#define GL_DEPTH_CLEAR_VALUE 0x0B73 +#define GL_DEPTH_FUNC 0x0B74 +#define GL_STENCIL_TEST 0x0B90 +#define GL_STENCIL_CLEAR_VALUE 0x0B91 +#define GL_STENCIL_FUNC 0x0B92 +#define GL_STENCIL_VALUE_MASK 0x0B93 +#define GL_STENCIL_FAIL 0x0B94 +#define GL_STENCIL_PASS_DEPTH_FAIL 0x0B95 +#define GL_STENCIL_PASS_DEPTH_PASS 0x0B96 +#define GL_STENCIL_REF 0x0B97 +#define GL_STENCIL_WRITEMASK 0x0B98 +#define GL_VIEWPORT 0x0BA2 +#define GL_DITHER 0x0BD0 +#define GL_BLEND_DST 0x0BE0 +#define GL_BLEND_SRC 0x0BE1 +#define GL_BLEND 0x0BE2 +#define GL_LOGIC_OP_MODE 0x0BF0 +#define GL_COLOR_LOGIC_OP 0x0BF2 +#define GL_DRAW_BUFFER 0x0C01 +#define GL_READ_BUFFER 0x0C02 +#define GL_SCISSOR_BOX 0x0C10 +#define GL_SCISSOR_TEST 0x0C11 +#define GL_COLOR_CLEAR_VALUE 0x0C22 +#define GL_COLOR_WRITEMASK 0x0C23 +#define GL_DOUBLEBUFFER 0x0C32 +#define GL_STEREO 0x0C33 +#define GL_LINE_SMOOTH_HINT 0x0C52 +#define GL_POLYGON_SMOOTH_HINT 0x0C53 +#define GL_UNPACK_SWAP_BYTES 0x0CF0 +#define GL_UNPACK_LSB_FIRST 0x0CF1 +#define GL_UNPACK_ROW_LENGTH 0x0CF2 +#define GL_UNPACK_SKIP_ROWS 0x0CF3 +#define GL_UNPACK_SKIP_PIXELS 0x0CF4 +#define GL_UNPACK_ALIGNMENT 0x0CF5 +#define GL_PACK_SWAP_BYTES 0x0D00 +#define GL_PACK_LSB_FIRST 0x0D01 +#define GL_PACK_ROW_LENGTH 0x0D02 +#define GL_PACK_SKIP_ROWS 0x0D03 +#define GL_PACK_SKIP_PIXELS 0x0D04 +#define GL_PACK_ALIGNMENT 0x0D05 +#define GL_MAX_TEXTURE_SIZE 0x0D33 +#define GL_MAX_VIEWPORT_DIMS 0x0D3A +#define GL_SUBPIXEL_BITS 0x0D50 +#define GL_TEXTURE_1D 0x0DE0 +#define GL_TEXTURE_2D 0x0DE1 +#define GL_POLYGON_OFFSET_UNITS 0x2A00 +#define GL_POLYGON_OFFSET_POINT 0x2A01 +#define GL_POLYGON_OFFSET_LINE 0x2A02 +#define GL_POLYGON_OFFSET_FILL 0x8037 +#define GL_POLYGON_OFFSET_FACTOR 0x8038 +#define GL_TEXTURE_BINDING_1D 0x8068 +#define GL_TEXTURE_BINDING_2D 0x8069 +/* GetTextureParameter */ +#define GL_TEXTURE_WIDTH 0x1000 +#define GL_TEXTURE_HEIGHT 0x1001 +#define GL_TEXTURE_INTERNAL_FORMAT 0x1003 +#define GL_TEXTURE_BORDER_COLOR 0x1004 +#define GL_TEXTURE_RED_SIZE 0x805C +#define GL_TEXTURE_GREEN_SIZE 0x805D +#define GL_TEXTURE_BLUE_SIZE 0x805E +#define GL_TEXTURE_ALPHA_SIZE 0x805F +/* HintMode */ +#define GL_DONT_CARE 0x1100 +#define GL_FASTEST 0x1101 +#define GL_NICEST 0x1102 +/* DataType */ +#define GL_BYTE 0x1400 +#define GL_UNSIGNED_BYTE 0x1401 +#define GL_SHORT 0x1402 +#define GL_UNSIGNED_SHORT 0x1403 +#define GL_INT 0x1404 +#define GL_UNSIGNED_INT 0x1405 +#define GL_FLOAT 0x1406 +#define GL_DOUBLE 0x140A +/* ErrorCode */ +#define GL_STACK_OVERFLOW 0x0503 +#define GL_STACK_UNDERFLOW 0x0504 +/* LogicOp */ +#define GL_CLEAR 0x1500 +#define GL_AND 0x1501 +#define GL_AND_REVERSE 0x1502 +#define GL_COPY 0x1503 +#define GL_AND_INVERTED 0x1504 +#define GL_NOOP 0x1505 +#define GL_XOR 0x1506 +#define GL_OR 0x1507 +#define GL_NOR 0x1508 +#define GL_EQUIV 0x1509 +#define GL_INVERT 0x150A +#define GL_OR_REVERSE 0x150B +#define GL_COPY_INVERTED 0x150C +#define GL_OR_INVERTED 0x150D +#define GL_NAND 0x150E +#define GL_SET 0x150F +/* MatrixMode (for gl3.h, FBO attachment type) */ +#define GL_TEXTURE 0x1702 +/* PixelCopyType */ +#define GL_COLOR 0x1800 +#define GL_DEPTH 0x1801 +#define GL_STENCIL 0x1802 +/* PixelFormat */ +#define GL_STENCIL_INDEX 0x1901 +#define GL_DEPTH_COMPONENT 0x1902 +#define GL_RED 0x1903 +#define GL_GREEN 0x1904 +#define GL_BLUE 0x1905 +#define GL_ALPHA 0x1906 +#define GL_RGB 0x1907 +#define GL_RGBA 0x1908 +/* PolygonMode */ +#define GL_POINT 0x1B00 +#define GL_LINE 0x1B01 +#define GL_FILL 0x1B02 +/* StencilOp */ +#define GL_KEEP 0x1E00 +#define GL_REPLACE 0x1E01 +#define GL_INCR 0x1E02 +#define GL_DECR 0x1E03 +/* StringName */ +#define GL_VENDOR 0x1F00 +#define GL_RENDERER 0x1F01 +#define GL_VERSION 0x1F02 +#define GL_EXTENSIONS 0x1F03 +/* TextureMagFilter */ +#define GL_NEAREST 0x2600 +#define GL_LINEAR 0x2601 +/* TextureMinFilter */ +#define GL_NEAREST_MIPMAP_NEAREST 0x2700 +#define GL_LINEAR_MIPMAP_NEAREST 0x2701 +#define GL_NEAREST_MIPMAP_LINEAR 0x2702 +#define GL_LINEAR_MIPMAP_LINEAR 0x2703 +/* TextureParameterName */ +#define GL_TEXTURE_MAG_FILTER 0x2800 +#define GL_TEXTURE_MIN_FILTER 0x2801 +#define GL_TEXTURE_WRAP_S 0x2802 +#define GL_TEXTURE_WRAP_T 0x2803 +/* TextureTarget */ +#define GL_PROXY_TEXTURE_1D 0x8063 +#define GL_PROXY_TEXTURE_2D 0x8064 +/* TextureWrapMode */ +#define GL_REPEAT 0x2901 +/* PixelInternalFormat */ +#define GL_R3_G3_B2 0x2A10 +#define GL_RGB4 0x804F +#define GL_RGB5 0x8050 +#define GL_RGB8 0x8051 +#define GL_RGB10 0x8052 +#define GL_RGB12 0x8053 +#define GL_RGB16 0x8054 +#define GL_RGBA2 0x8055 +#define GL_RGBA4 0x8056 +#define GL_RGB5_A1 0x8057 +#define GL_RGBA8 0x8058 +#define GL_RGB10_A2 0x8059 +#define GL_RGBA12 0x805A +#define GL_RGBA16 0x805B +#endif + +#ifndef GL_VERSION_1_2 +#define GL_UNSIGNED_BYTE_3_3_2 0x8032 +#define GL_UNSIGNED_SHORT_4_4_4_4 0x8033 +#define GL_UNSIGNED_SHORT_5_5_5_1 0x8034 +#define GL_UNSIGNED_INT_8_8_8_8 0x8035 +#define GL_UNSIGNED_INT_10_10_10_2 0x8036 +#define GL_TEXTURE_BINDING_3D 0x806A +#define GL_PACK_SKIP_IMAGES 0x806B +#define GL_PACK_IMAGE_HEIGHT 0x806C +#define GL_UNPACK_SKIP_IMAGES 0x806D +#define GL_UNPACK_IMAGE_HEIGHT 0x806E +#define GL_TEXTURE_3D 0x806F +#define GL_PROXY_TEXTURE_3D 0x8070 +#define GL_TEXTURE_DEPTH 0x8071 +#define GL_TEXTURE_WRAP_R 0x8072 +#define GL_MAX_3D_TEXTURE_SIZE 0x8073 +#define GL_UNSIGNED_BYTE_2_3_3_REV 0x8362 +#define GL_UNSIGNED_SHORT_5_6_5 0x8363 +#define GL_UNSIGNED_SHORT_5_6_5_REV 0x8364 +#define GL_UNSIGNED_SHORT_4_4_4_4_REV 0x8365 +#define GL_UNSIGNED_SHORT_1_5_5_5_REV 0x8366 +#define GL_UNSIGNED_INT_8_8_8_8_REV 0x8367 +#define GL_UNSIGNED_INT_2_10_10_10_REV 0x8368 +#define GL_BGR 0x80E0 +#define GL_BGRA 0x80E1 +#define GL_MAX_ELEMENTS_VERTICES 0x80E8 +#define GL_MAX_ELEMENTS_INDICES 0x80E9 +#define GL_CLAMP_TO_EDGE 0x812F +#define GL_TEXTURE_MIN_LOD 0x813A +#define GL_TEXTURE_MAX_LOD 0x813B +#define GL_TEXTURE_BASE_LEVEL 0x813C +#define GL_TEXTURE_MAX_LEVEL 0x813D +#define GL_SMOOTH_POINT_SIZE_RANGE 0x0B12 +#define GL_SMOOTH_POINT_SIZE_GRANULARITY 0x0B13 +#define GL_SMOOTH_LINE_WIDTH_RANGE 0x0B22 +#define GL_SMOOTH_LINE_WIDTH_GRANULARITY 0x0B23 +#define GL_ALIASED_LINE_WIDTH_RANGE 0x846E +#endif + +#ifndef GL_ARB_imaging +#define GL_CONSTANT_COLOR 0x8001 +#define GL_ONE_MINUS_CONSTANT_COLOR 0x8002 +#define GL_CONSTANT_ALPHA 0x8003 +#define GL_ONE_MINUS_CONSTANT_ALPHA 0x8004 +#define GL_BLEND_COLOR 0x8005 +#define GL_FUNC_ADD 0x8006 +#define GL_MIN 0x8007 +#define GL_MAX 0x8008 +#define GL_BLEND_EQUATION 0x8009 +#define GL_FUNC_SUBTRACT 0x800A +#define GL_FUNC_REVERSE_SUBTRACT 0x800B +#endif + +#ifndef GL_VERSION_1_3 +#define GL_TEXTURE0 0x84C0 +#define GL_TEXTURE1 0x84C1 +#define GL_TEXTURE2 0x84C2 +#define GL_TEXTURE3 0x84C3 +#define GL_TEXTURE4 0x84C4 +#define GL_TEXTURE5 0x84C5 +#define GL_TEXTURE6 0x84C6 +#define GL_TEXTURE7 0x84C7 +#define GL_TEXTURE8 0x84C8 +#define GL_TEXTURE9 0x84C9 +#define GL_TEXTURE10 0x84CA +#define GL_TEXTURE11 0x84CB +#define GL_TEXTURE12 0x84CC +#define GL_TEXTURE13 0x84CD +#define GL_TEXTURE14 0x84CE +#define GL_TEXTURE15 0x84CF +#define GL_TEXTURE16 0x84D0 +#define GL_TEXTURE17 0x84D1 +#define GL_TEXTURE18 0x84D2 +#define GL_TEXTURE19 0x84D3 +#define GL_TEXTURE20 0x84D4 +#define GL_TEXTURE21 0x84D5 +#define GL_TEXTURE22 0x84D6 +#define GL_TEXTURE23 0x84D7 +#define GL_TEXTURE24 0x84D8 +#define GL_TEXTURE25 0x84D9 +#define GL_TEXTURE26 0x84DA +#define GL_TEXTURE27 0x84DB +#define GL_TEXTURE28 0x84DC +#define GL_TEXTURE29 0x84DD +#define GL_TEXTURE30 0x84DE +#define GL_TEXTURE31 0x84DF +#define GL_ACTIVE_TEXTURE 0x84E0 +#define GL_MULTISAMPLE 0x809D +#define GL_SAMPLE_ALPHA_TO_COVERAGE 0x809E +#define GL_SAMPLE_ALPHA_TO_ONE 0x809F +#define GL_SAMPLE_COVERAGE 0x80A0 +#define GL_SAMPLE_BUFFERS 0x80A8 +#define GL_SAMPLES 0x80A9 +#define GL_SAMPLE_COVERAGE_VALUE 0x80AA +#define GL_SAMPLE_COVERAGE_INVERT 0x80AB +#define GL_TEXTURE_CUBE_MAP 0x8513 +#define GL_TEXTURE_BINDING_CUBE_MAP 0x8514 +#define GL_TEXTURE_CUBE_MAP_POSITIVE_X 0x8515 +#define GL_TEXTURE_CUBE_MAP_NEGATIVE_X 0x8516 +#define GL_TEXTURE_CUBE_MAP_POSITIVE_Y 0x8517 +#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Y 0x8518 +#define GL_TEXTURE_CUBE_MAP_POSITIVE_Z 0x8519 +#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Z 0x851A +#define GL_PROXY_TEXTURE_CUBE_MAP 0x851B +#define GL_MAX_CUBE_MAP_TEXTURE_SIZE 0x851C +#define GL_COMPRESSED_RGB 0x84ED +#define GL_COMPRESSED_RGBA 0x84EE +#define GL_TEXTURE_COMPRESSION_HINT 0x84EF +#define GL_TEXTURE_COMPRESSED_IMAGE_SIZE 0x86A0 +#define GL_TEXTURE_COMPRESSED 0x86A1 +#define GL_NUM_COMPRESSED_TEXTURE_FORMATS 0x86A2 +#define GL_COMPRESSED_TEXTURE_FORMATS 0x86A3 +#define GL_CLAMP_TO_BORDER 0x812D +#endif + +#ifndef GL_VERSION_1_4 +#define GL_BLEND_DST_RGB 0x80C8 +#define GL_BLEND_SRC_RGB 0x80C9 +#define GL_BLEND_DST_ALPHA 0x80CA +#define GL_BLEND_SRC_ALPHA 0x80CB +#define GL_POINT_FADE_THRESHOLD_SIZE 0x8128 +#define GL_DEPTH_COMPONENT16 0x81A5 +#define GL_DEPTH_COMPONENT24 0x81A6 +#define GL_DEPTH_COMPONENT32 0x81A7 +#define GL_MIRRORED_REPEAT 0x8370 +#define GL_MAX_TEXTURE_LOD_BIAS 0x84FD +#define GL_TEXTURE_LOD_BIAS 0x8501 +#define GL_INCR_WRAP 0x8507 +#define GL_DECR_WRAP 0x8508 +#define GL_TEXTURE_DEPTH_SIZE 0x884A +#define GL_TEXTURE_COMPARE_MODE 0x884C +#define GL_TEXTURE_COMPARE_FUNC 0x884D +#endif + +#ifndef GL_VERSION_1_5 +#define GL_BUFFER_SIZE 0x8764 +#define GL_BUFFER_USAGE 0x8765 +#define GL_QUERY_COUNTER_BITS 0x8864 +#define GL_CURRENT_QUERY 0x8865 +#define GL_QUERY_RESULT 0x8866 +#define GL_QUERY_RESULT_AVAILABLE 0x8867 +#define GL_ARRAY_BUFFER 0x8892 +#define GL_ELEMENT_ARRAY_BUFFER 0x8893 +#define GL_ARRAY_BUFFER_BINDING 0x8894 +#define GL_ELEMENT_ARRAY_BUFFER_BINDING 0x8895 +#define GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING 0x889F +#define GL_READ_ONLY 0x88B8 +#define GL_WRITE_ONLY 0x88B9 +#define GL_READ_WRITE 0x88BA +#define GL_BUFFER_ACCESS 0x88BB +#define GL_BUFFER_MAPPED 0x88BC +#define GL_BUFFER_MAP_POINTER 0x88BD +#define GL_STREAM_DRAW 0x88E0 +#define GL_STREAM_READ 0x88E1 +#define GL_STREAM_COPY 0x88E2 +#define GL_STATIC_DRAW 0x88E4 +#define GL_STATIC_READ 0x88E5 +#define GL_STATIC_COPY 0x88E6 +#define GL_DYNAMIC_DRAW 0x88E8 +#define GL_DYNAMIC_READ 0x88E9 +#define GL_DYNAMIC_COPY 0x88EA +#define GL_SAMPLES_PASSED 0x8914 +#define GL_SRC1_ALPHA 0x8589 +#endif + +#ifndef GL_VERSION_2_0 +#define GL_BLEND_EQUATION_RGB 0x8009 +#define GL_VERTEX_ATTRIB_ARRAY_ENABLED 0x8622 +#define GL_VERTEX_ATTRIB_ARRAY_SIZE 0x8623 +#define GL_VERTEX_ATTRIB_ARRAY_STRIDE 0x8624 +#define GL_VERTEX_ATTRIB_ARRAY_TYPE 0x8625 +#define GL_CURRENT_VERTEX_ATTRIB 0x8626 +#define GL_VERTEX_PROGRAM_POINT_SIZE 0x8642 +#define GL_VERTEX_ATTRIB_ARRAY_POINTER 0x8645 +#define GL_STENCIL_BACK_FUNC 0x8800 +#define GL_STENCIL_BACK_FAIL 0x8801 +#define GL_STENCIL_BACK_PASS_DEPTH_FAIL 0x8802 +#define GL_STENCIL_BACK_PASS_DEPTH_PASS 0x8803 +#define GL_MAX_DRAW_BUFFERS 0x8824 +#define GL_DRAW_BUFFER0 0x8825 +#define GL_DRAW_BUFFER1 0x8826 +#define GL_DRAW_BUFFER2 0x8827 +#define GL_DRAW_BUFFER3 0x8828 +#define GL_DRAW_BUFFER4 0x8829 +#define GL_DRAW_BUFFER5 0x882A +#define GL_DRAW_BUFFER6 0x882B +#define GL_DRAW_BUFFER7 0x882C +#define GL_DRAW_BUFFER8 0x882D +#define GL_DRAW_BUFFER9 0x882E +#define GL_DRAW_BUFFER10 0x882F +#define GL_DRAW_BUFFER11 0x8830 +#define GL_DRAW_BUFFER12 0x8831 +#define GL_DRAW_BUFFER13 0x8832 +#define GL_DRAW_BUFFER14 0x8833 +#define GL_DRAW_BUFFER15 0x8834 +#define GL_BLEND_EQUATION_ALPHA 0x883D +#define GL_MAX_VERTEX_ATTRIBS 0x8869 +#define GL_VERTEX_ATTRIB_ARRAY_NORMALIZED 0x886A +#define GL_MAX_TEXTURE_IMAGE_UNITS 0x8872 +#define GL_FRAGMENT_SHADER 0x8B30 +#define GL_VERTEX_SHADER 0x8B31 +#define GL_MAX_FRAGMENT_UNIFORM_COMPONENTS 0x8B49 +#define GL_MAX_VERTEX_UNIFORM_COMPONENTS 0x8B4A +#define GL_MAX_VARYING_FLOATS 0x8B4B +#define GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS 0x8B4C +#define GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS 0x8B4D +#define GL_SHADER_TYPE 0x8B4F +#define GL_FLOAT_VEC2 0x8B50 +#define GL_FLOAT_VEC3 0x8B51 +#define GL_FLOAT_VEC4 0x8B52 +#define GL_INT_VEC2 0x8B53 +#define GL_INT_VEC3 0x8B54 +#define GL_INT_VEC4 0x8B55 +#define GL_BOOL 0x8B56 +#define GL_BOOL_VEC2 0x8B57 +#define GL_BOOL_VEC3 0x8B58 +#define GL_BOOL_VEC4 0x8B59 +#define GL_FLOAT_MAT2 0x8B5A +#define GL_FLOAT_MAT3 0x8B5B +#define GL_FLOAT_MAT4 0x8B5C +#define GL_SAMPLER_1D 0x8B5D +#define GL_SAMPLER_2D 0x8B5E +#define GL_SAMPLER_3D 0x8B5F +#define GL_SAMPLER_CUBE 0x8B60 +#define GL_SAMPLER_1D_SHADOW 0x8B61 +#define GL_SAMPLER_2D_SHADOW 0x8B62 +#define GL_DELETE_STATUS 0x8B80 +#define GL_COMPILE_STATUS 0x8B81 +#define GL_LINK_STATUS 0x8B82 +#define GL_VALIDATE_STATUS 0x8B83 +#define GL_INFO_LOG_LENGTH 0x8B84 +#define GL_ATTACHED_SHADERS 0x8B85 +#define GL_ACTIVE_UNIFORMS 0x8B86 +#define GL_ACTIVE_UNIFORM_MAX_LENGTH 0x8B87 +#define GL_SHADER_SOURCE_LENGTH 0x8B88 +#define GL_ACTIVE_ATTRIBUTES 0x8B89 +#define GL_ACTIVE_ATTRIBUTE_MAX_LENGTH 0x8B8A +#define GL_FRAGMENT_SHADER_DERIVATIVE_HINT 0x8B8B +#define GL_SHADING_LANGUAGE_VERSION 0x8B8C +#define GL_CURRENT_PROGRAM 0x8B8D +#define GL_POINT_SPRITE_COORD_ORIGIN 0x8CA0 +#define GL_LOWER_LEFT 0x8CA1 +#define GL_UPPER_LEFT 0x8CA2 +#define GL_STENCIL_BACK_REF 0x8CA3 +#define GL_STENCIL_BACK_VALUE_MASK 0x8CA4 +#define GL_STENCIL_BACK_WRITEMASK 0x8CA5 +#endif + +#ifndef GL_VERSION_2_1 +#define GL_PIXEL_PACK_BUFFER 0x88EB +#define GL_PIXEL_UNPACK_BUFFER 0x88EC +#define GL_PIXEL_PACK_BUFFER_BINDING 0x88ED +#define GL_PIXEL_UNPACK_BUFFER_BINDING 0x88EF +#define GL_FLOAT_MAT2x3 0x8B65 +#define GL_FLOAT_MAT2x4 0x8B66 +#define GL_FLOAT_MAT3x2 0x8B67 +#define GL_FLOAT_MAT3x4 0x8B68 +#define GL_FLOAT_MAT4x2 0x8B69 +#define GL_FLOAT_MAT4x3 0x8B6A +#define GL_SRGB 0x8C40 +#define GL_SRGB8 0x8C41 +#define GL_SRGB_ALPHA 0x8C42 +#define GL_SRGB8_ALPHA8 0x8C43 +#define GL_COMPRESSED_SRGB 0x8C48 +#define GL_COMPRESSED_SRGB_ALPHA 0x8C49 +#endif + +#ifndef GL_VERSION_3_0 +#define GL_COMPARE_REF_TO_TEXTURE 0x884E +#define GL_CLIP_DISTANCE0 0x3000 +#define GL_CLIP_DISTANCE1 0x3001 +#define GL_CLIP_DISTANCE2 0x3002 +#define GL_CLIP_DISTANCE3 0x3003 +#define GL_CLIP_DISTANCE4 0x3004 +#define GL_CLIP_DISTANCE5 0x3005 +#define GL_CLIP_DISTANCE6 0x3006 +#define GL_CLIP_DISTANCE7 0x3007 +#define GL_MAX_CLIP_DISTANCES 0x0D32 +#define GL_MAJOR_VERSION 0x821B +#define GL_MINOR_VERSION 0x821C +#define GL_NUM_EXTENSIONS 0x821D +#define GL_CONTEXT_FLAGS 0x821E +#define GL_COMPRESSED_RED 0x8225 +#define GL_COMPRESSED_RG 0x8226 +#define GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT 0x0001 +#define GL_RGBA32F 0x8814 +#define GL_RGB32F 0x8815 +#define GL_RGBA16F 0x881A +#define GL_RGB16F 0x881B +#define GL_VERTEX_ATTRIB_ARRAY_INTEGER 0x88FD +#define GL_MAX_ARRAY_TEXTURE_LAYERS 0x88FF +#define GL_MIN_PROGRAM_TEXEL_OFFSET 0x8904 +#define GL_MAX_PROGRAM_TEXEL_OFFSET 0x8905 +#define GL_CLAMP_READ_COLOR 0x891C +#define GL_FIXED_ONLY 0x891D +#define GL_MAX_VARYING_COMPONENTS 0x8B4B +#define GL_TEXTURE_1D_ARRAY 0x8C18 +#define GL_PROXY_TEXTURE_1D_ARRAY 0x8C19 +#define GL_TEXTURE_2D_ARRAY 0x8C1A +#define GL_PROXY_TEXTURE_2D_ARRAY 0x8C1B +#define GL_TEXTURE_BINDING_1D_ARRAY 0x8C1C +#define GL_TEXTURE_BINDING_2D_ARRAY 0x8C1D +#define GL_R11F_G11F_B10F 0x8C3A +#define GL_UNSIGNED_INT_10F_11F_11F_REV 0x8C3B +#define GL_RGB9_E5 0x8C3D +#define GL_UNSIGNED_INT_5_9_9_9_REV 0x8C3E +#define GL_TEXTURE_SHARED_SIZE 0x8C3F +#define GL_TRANSFORM_FEEDBACK_VARYING_MAX_LENGTH 0x8C76 +#define GL_TRANSFORM_FEEDBACK_BUFFER_MODE 0x8C7F +#define GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS 0x8C80 +#define GL_TRANSFORM_FEEDBACK_VARYINGS 0x8C83 +#define GL_TRANSFORM_FEEDBACK_BUFFER_START 0x8C84 +#define GL_TRANSFORM_FEEDBACK_BUFFER_SIZE 0x8C85 +#define GL_PRIMITIVES_GENERATED 0x8C87 +#define GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN 0x8C88 +#define GL_RASTERIZER_DISCARD 0x8C89 +#define GL_MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS 0x8C8A +#define GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS 0x8C8B +#define GL_INTERLEAVED_ATTRIBS 0x8C8C +#define GL_SEPARATE_ATTRIBS 0x8C8D +#define GL_TRANSFORM_FEEDBACK_BUFFER 0x8C8E +#define GL_TRANSFORM_FEEDBACK_BUFFER_BINDING 0x8C8F +#define GL_RGBA32UI 0x8D70 +#define GL_RGB32UI 0x8D71 +#define GL_RGBA16UI 0x8D76 +#define GL_RGB16UI 0x8D77 +#define GL_RGBA8UI 0x8D7C +#define GL_RGB8UI 0x8D7D +#define GL_RGBA32I 0x8D82 +#define GL_RGB32I 0x8D83 +#define GL_RGBA16I 0x8D88 +#define GL_RGB16I 0x8D89 +#define GL_RGBA8I 0x8D8E +#define GL_RGB8I 0x8D8F +#define GL_RED_INTEGER 0x8D94 +#define GL_GREEN_INTEGER 0x8D95 +#define GL_BLUE_INTEGER 0x8D96 +#define GL_RGB_INTEGER 0x8D98 +#define GL_RGBA_INTEGER 0x8D99 +#define GL_BGR_INTEGER 0x8D9A +#define GL_BGRA_INTEGER 0x8D9B +#define GL_SAMPLER_1D_ARRAY 0x8DC0 +#define GL_SAMPLER_2D_ARRAY 0x8DC1 +#define GL_SAMPLER_1D_ARRAY_SHADOW 0x8DC3 +#define GL_SAMPLER_2D_ARRAY_SHADOW 0x8DC4 +#define GL_SAMPLER_CUBE_SHADOW 0x8DC5 +#define GL_UNSIGNED_INT_VEC2 0x8DC6 +#define GL_UNSIGNED_INT_VEC3 0x8DC7 +#define GL_UNSIGNED_INT_VEC4 0x8DC8 +#define GL_INT_SAMPLER_1D 0x8DC9 +#define GL_INT_SAMPLER_2D 0x8DCA +#define GL_INT_SAMPLER_3D 0x8DCB +#define GL_INT_SAMPLER_CUBE 0x8DCC +#define GL_INT_SAMPLER_1D_ARRAY 0x8DCE +#define GL_INT_SAMPLER_2D_ARRAY 0x8DCF +#define GL_UNSIGNED_INT_SAMPLER_1D 0x8DD1 +#define GL_UNSIGNED_INT_SAMPLER_2D 0x8DD2 +#define GL_UNSIGNED_INT_SAMPLER_3D 0x8DD3 +#define GL_UNSIGNED_INT_SAMPLER_CUBE 0x8DD4 +#define GL_UNSIGNED_INT_SAMPLER_1D_ARRAY 0x8DD6 +#define GL_UNSIGNED_INT_SAMPLER_2D_ARRAY 0x8DD7 +#define GL_QUERY_WAIT 0x8E13 +#define GL_QUERY_NO_WAIT 0x8E14 +#define GL_QUERY_BY_REGION_WAIT 0x8E15 +#define GL_QUERY_BY_REGION_NO_WAIT 0x8E16 +#define GL_BUFFER_ACCESS_FLAGS 0x911F +#define GL_BUFFER_MAP_LENGTH 0x9120 +#define GL_BUFFER_MAP_OFFSET 0x9121 +/* Reuse tokens from ARB_depth_buffer_float */ +/* reuse GL_DEPTH_COMPONENT32F */ +/* reuse GL_DEPTH32F_STENCIL8 */ +/* reuse GL_FLOAT_32_UNSIGNED_INT_24_8_REV */ +/* Reuse tokens from ARB_framebuffer_object */ +/* reuse GL_INVALID_FRAMEBUFFER_OPERATION */ +/* reuse GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING */ +/* reuse GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE */ +/* reuse GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE */ +/* reuse GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE */ +/* reuse GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE */ +/* reuse GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE */ +/* reuse GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE */ +/* reuse GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE */ +/* reuse GL_FRAMEBUFFER_DEFAULT */ +/* reuse GL_FRAMEBUFFER_UNDEFINED */ +/* reuse GL_DEPTH_STENCIL_ATTACHMENT */ +/* reuse GL_INDEX */ +/* reuse GL_MAX_RENDERBUFFER_SIZE */ +/* reuse GL_DEPTH_STENCIL */ +/* reuse GL_UNSIGNED_INT_24_8 */ +/* reuse GL_DEPTH24_STENCIL8 */ +/* reuse GL_TEXTURE_STENCIL_SIZE */ +/* reuse GL_TEXTURE_RED_TYPE */ +/* reuse GL_TEXTURE_GREEN_TYPE */ +/* reuse GL_TEXTURE_BLUE_TYPE */ +/* reuse GL_TEXTURE_ALPHA_TYPE */ +/* reuse GL_TEXTURE_DEPTH_TYPE */ +/* reuse GL_UNSIGNED_NORMALIZED */ +/* reuse GL_FRAMEBUFFER_BINDING */ +/* reuse GL_DRAW_FRAMEBUFFER_BINDING */ +/* reuse GL_RENDERBUFFER_BINDING */ +/* reuse GL_READ_FRAMEBUFFER */ +/* reuse GL_DRAW_FRAMEBUFFER */ +/* reuse GL_READ_FRAMEBUFFER_BINDING */ +/* reuse GL_RENDERBUFFER_SAMPLES */ +/* reuse GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE */ +/* reuse GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME */ +/* reuse GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL */ +/* reuse GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE */ +/* reuse GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER */ +/* reuse GL_FRAMEBUFFER_COMPLETE */ +/* reuse GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT */ +/* reuse GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT */ +/* reuse GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER */ +/* reuse GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER */ +/* reuse GL_FRAMEBUFFER_UNSUPPORTED */ +/* reuse GL_MAX_COLOR_ATTACHMENTS */ +/* reuse GL_COLOR_ATTACHMENT0 */ +/* reuse GL_COLOR_ATTACHMENT1 */ +/* reuse GL_COLOR_ATTACHMENT2 */ +/* reuse GL_COLOR_ATTACHMENT3 */ +/* reuse GL_COLOR_ATTACHMENT4 */ +/* reuse GL_COLOR_ATTACHMENT5 */ +/* reuse GL_COLOR_ATTACHMENT6 */ +/* reuse GL_COLOR_ATTACHMENT7 */ +/* reuse GL_COLOR_ATTACHMENT8 */ +/* reuse GL_COLOR_ATTACHMENT9 */ +/* reuse GL_COLOR_ATTACHMENT10 */ +/* reuse GL_COLOR_ATTACHMENT11 */ +/* reuse GL_COLOR_ATTACHMENT12 */ +/* reuse GL_COLOR_ATTACHMENT13 */ +/* reuse GL_COLOR_ATTACHMENT14 */ +/* reuse GL_COLOR_ATTACHMENT15 */ +/* reuse GL_DEPTH_ATTACHMENT */ +/* reuse GL_STENCIL_ATTACHMENT */ +/* reuse GL_FRAMEBUFFER */ +/* reuse GL_RENDERBUFFER */ +/* reuse GL_RENDERBUFFER_WIDTH */ +/* reuse GL_RENDERBUFFER_HEIGHT */ +/* reuse GL_RENDERBUFFER_INTERNAL_FORMAT */ +/* reuse GL_STENCIL_INDEX1 */ +/* reuse GL_STENCIL_INDEX4 */ +/* reuse GL_STENCIL_INDEX8 */ +/* reuse GL_STENCIL_INDEX16 */ +/* reuse GL_RENDERBUFFER_RED_SIZE */ +/* reuse GL_RENDERBUFFER_GREEN_SIZE */ +/* reuse GL_RENDERBUFFER_BLUE_SIZE */ +/* reuse GL_RENDERBUFFER_ALPHA_SIZE */ +/* reuse GL_RENDERBUFFER_DEPTH_SIZE */ +/* reuse GL_RENDERBUFFER_STENCIL_SIZE */ +/* reuse GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE */ +/* reuse GL_MAX_SAMPLES */ +/* Reuse tokens from ARB_framebuffer_sRGB */ +/* reuse GL_FRAMEBUFFER_SRGB */ +/* Reuse tokens from ARB_half_float_vertex */ +/* reuse GL_HALF_FLOAT */ +/* Reuse tokens from ARB_map_buffer_range */ +/* reuse GL_MAP_READ_BIT */ +/* reuse GL_MAP_WRITE_BIT */ +/* reuse GL_MAP_INVALIDATE_RANGE_BIT */ +/* reuse GL_MAP_INVALIDATE_BUFFER_BIT */ +/* reuse GL_MAP_FLUSH_EXPLICIT_BIT */ +/* reuse GL_MAP_UNSYNCHRONIZED_BIT */ +/* Reuse tokens from ARB_texture_compression_rgtc */ +/* reuse GL_COMPRESSED_RED_RGTC1 */ +/* reuse GL_COMPRESSED_SIGNED_RED_RGTC1 */ +/* reuse GL_COMPRESSED_RG_RGTC2 */ +/* reuse GL_COMPRESSED_SIGNED_RG_RGTC2 */ +/* Reuse tokens from ARB_texture_rg */ +/* reuse GL_RG */ +/* reuse GL_RG_INTEGER */ +/* reuse GL_R8 */ +/* reuse GL_R16 */ +/* reuse GL_RG8 */ +/* reuse GL_RG16 */ +/* reuse GL_R16F */ +/* reuse GL_R32F */ +/* reuse GL_RG16F */ +/* reuse GL_RG32F */ +/* reuse GL_R8I */ +/* reuse GL_R8UI */ +/* reuse GL_R16I */ +/* reuse GL_R16UI */ +/* reuse GL_R32I */ +/* reuse GL_R32UI */ +/* reuse GL_RG8I */ +/* reuse GL_RG8UI */ +/* reuse GL_RG16I */ +/* reuse GL_RG16UI */ +/* reuse GL_RG32I */ +/* reuse GL_RG32UI */ +/* Reuse tokens from ARB_vertex_array_object */ +/* reuse GL_VERTEX_ARRAY_BINDING */ +#endif + +#ifndef GL_VERSION_3_1 +#define GL_SAMPLER_2D_RECT 0x8B63 +#define GL_SAMPLER_2D_RECT_SHADOW 0x8B64 +#define GL_SAMPLER_BUFFER 0x8DC2 +#define GL_INT_SAMPLER_2D_RECT 0x8DCD +#define GL_INT_SAMPLER_BUFFER 0x8DD0 +#define GL_UNSIGNED_INT_SAMPLER_2D_RECT 0x8DD5 +#define GL_UNSIGNED_INT_SAMPLER_BUFFER 0x8DD8 +#define GL_TEXTURE_BUFFER 0x8C2A +#define GL_MAX_TEXTURE_BUFFER_SIZE 0x8C2B +#define GL_TEXTURE_BINDING_BUFFER 0x8C2C +#define GL_TEXTURE_BUFFER_DATA_STORE_BINDING 0x8C2D +#define GL_TEXTURE_RECTANGLE 0x84F5 +#define GL_TEXTURE_BINDING_RECTANGLE 0x84F6 +#define GL_PROXY_TEXTURE_RECTANGLE 0x84F7 +#define GL_MAX_RECTANGLE_TEXTURE_SIZE 0x84F8 +#define GL_RED_SNORM 0x8F90 +#define GL_RG_SNORM 0x8F91 +#define GL_RGB_SNORM 0x8F92 +#define GL_RGBA_SNORM 0x8F93 +#define GL_R8_SNORM 0x8F94 +#define GL_RG8_SNORM 0x8F95 +#define GL_RGB8_SNORM 0x8F96 +#define GL_RGBA8_SNORM 0x8F97 +#define GL_R16_SNORM 0x8F98 +#define GL_RG16_SNORM 0x8F99 +#define GL_RGB16_SNORM 0x8F9A +#define GL_RGBA16_SNORM 0x8F9B +#define GL_SIGNED_NORMALIZED 0x8F9C +#define GL_PRIMITIVE_RESTART 0x8F9D +#define GL_PRIMITIVE_RESTART_INDEX 0x8F9E +/* Reuse tokens from ARB_copy_buffer */ +/* reuse GL_COPY_READ_BUFFER */ +/* reuse GL_COPY_WRITE_BUFFER */ +/* Reuse tokens from ARB_draw_instanced (none) */ +/* Reuse tokens from ARB_uniform_buffer_object */ +/* reuse GL_UNIFORM_BUFFER */ +/* reuse GL_UNIFORM_BUFFER_BINDING */ +/* reuse GL_UNIFORM_BUFFER_START */ +/* reuse GL_UNIFORM_BUFFER_SIZE */ +/* reuse GL_MAX_VERTEX_UNIFORM_BLOCKS */ +/* reuse GL_MAX_FRAGMENT_UNIFORM_BLOCKS */ +/* reuse GL_MAX_COMBINED_UNIFORM_BLOCKS */ +/* reuse GL_MAX_UNIFORM_BUFFER_BINDINGS */ +/* reuse GL_MAX_UNIFORM_BLOCK_SIZE */ +/* reuse GL_MAX_COMBINED_VERTEX_UNIFORM_COMPONENTS */ +/* reuse GL_MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS */ +/* reuse GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT */ +/* reuse GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH */ +/* reuse GL_ACTIVE_UNIFORM_BLOCKS */ +/* reuse GL_UNIFORM_TYPE */ +/* reuse GL_UNIFORM_SIZE */ +/* reuse GL_UNIFORM_NAME_LENGTH */ +/* reuse GL_UNIFORM_BLOCK_INDEX */ +/* reuse GL_UNIFORM_OFFSET */ +/* reuse GL_UNIFORM_ARRAY_STRIDE */ +/* reuse GL_UNIFORM_MATRIX_STRIDE */ +/* reuse GL_UNIFORM_IS_ROW_MAJOR */ +/* reuse GL_UNIFORM_BLOCK_BINDING */ +/* reuse GL_UNIFORM_BLOCK_DATA_SIZE */ +/* reuse GL_UNIFORM_BLOCK_NAME_LENGTH */ +/* reuse GL_UNIFORM_BLOCK_ACTIVE_UNIFORMS */ +/* reuse GL_UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES */ +/* reuse GL_UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER */ +/* reuse GL_UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER */ +/* reuse GL_INVALID_INDEX */ +#endif + +#ifndef GL_VERSION_3_2 +#define GL_CONTEXT_CORE_PROFILE_BIT 0x00000001 +#define GL_CONTEXT_COMPATIBILITY_PROFILE_BIT 0x00000002 +#define GL_LINES_ADJACENCY 0x000A +#define GL_LINE_STRIP_ADJACENCY 0x000B +#define GL_TRIANGLES_ADJACENCY 0x000C +#define GL_TRIANGLE_STRIP_ADJACENCY 0x000D +#define GL_PROGRAM_POINT_SIZE 0x8642 +#define GL_MAX_GEOMETRY_TEXTURE_IMAGE_UNITS 0x8C29 +#define GL_FRAMEBUFFER_ATTACHMENT_LAYERED 0x8DA7 +#define GL_FRAMEBUFFER_INCOMPLETE_LAYER_TARGETS 0x8DA8 +#define GL_GEOMETRY_SHADER 0x8DD9 +#define GL_GEOMETRY_VERTICES_OUT 0x8916 +#define GL_GEOMETRY_INPUT_TYPE 0x8917 +#define GL_GEOMETRY_OUTPUT_TYPE 0x8918 +#define GL_MAX_GEOMETRY_UNIFORM_COMPONENTS 0x8DDF +#define GL_MAX_GEOMETRY_OUTPUT_VERTICES 0x8DE0 +#define GL_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS 0x8DE1 +#define GL_MAX_VERTEX_OUTPUT_COMPONENTS 0x9122 +#define GL_MAX_GEOMETRY_INPUT_COMPONENTS 0x9123 +#define GL_MAX_GEOMETRY_OUTPUT_COMPONENTS 0x9124 +#define GL_MAX_FRAGMENT_INPUT_COMPONENTS 0x9125 +#define GL_CONTEXT_PROFILE_MASK 0x9126 +/* reuse GL_MAX_VARYING_COMPONENTS */ +/* reuse GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER */ +/* Reuse tokens from ARB_depth_clamp */ +/* reuse GL_DEPTH_CLAMP */ +/* Reuse tokens from ARB_draw_elements_base_vertex (none) */ +/* Reuse tokens from ARB_fragment_coord_conventions (none) */ +/* Reuse tokens from ARB_provoking_vertex */ +/* reuse GL_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION */ +/* reuse GL_FIRST_VERTEX_CONVENTION */ +/* reuse GL_LAST_VERTEX_CONVENTION */ +/* reuse GL_PROVOKING_VERTEX */ +/* Reuse tokens from ARB_seamless_cube_map */ +/* reuse GL_TEXTURE_CUBE_MAP_SEAMLESS */ +/* Reuse tokens from ARB_sync */ +/* reuse GL_MAX_SERVER_WAIT_TIMEOUT */ +/* reuse GL_OBJECT_TYPE */ +/* reuse GL_SYNC_CONDITION */ +/* reuse GL_SYNC_STATUS */ +/* reuse GL_SYNC_FLAGS */ +/* reuse GL_SYNC_FENCE */ +/* reuse GL_SYNC_GPU_COMMANDS_COMPLETE */ +/* reuse GL_UNSIGNALED */ +/* reuse GL_SIGNALED */ +/* reuse GL_ALREADY_SIGNALED */ +/* reuse GL_TIMEOUT_EXPIRED */ +/* reuse GL_CONDITION_SATISFIED */ +/* reuse GL_WAIT_FAILED */ +/* reuse GL_TIMEOUT_IGNORED */ +/* reuse GL_SYNC_FLUSH_COMMANDS_BIT */ +/* reuse GL_TIMEOUT_IGNORED */ +/* Reuse tokens from ARB_texture_multisample */ +/* reuse GL_SAMPLE_POSITION */ +/* reuse GL_SAMPLE_MASK */ +/* reuse GL_SAMPLE_MASK_VALUE */ +/* reuse GL_MAX_SAMPLE_MASK_WORDS */ +/* reuse GL_TEXTURE_2D_MULTISAMPLE */ +/* reuse GL_PROXY_TEXTURE_2D_MULTISAMPLE */ +/* reuse GL_TEXTURE_2D_MULTISAMPLE_ARRAY */ +/* reuse GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY */ +/* reuse GL_TEXTURE_BINDING_2D_MULTISAMPLE */ +/* reuse GL_TEXTURE_BINDING_2D_MULTISAMPLE_ARRAY */ +/* reuse GL_TEXTURE_SAMPLES */ +/* reuse GL_TEXTURE_FIXED_SAMPLE_LOCATIONS */ +/* reuse GL_SAMPLER_2D_MULTISAMPLE */ +/* reuse GL_INT_SAMPLER_2D_MULTISAMPLE */ +/* reuse GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE */ +/* reuse GL_SAMPLER_2D_MULTISAMPLE_ARRAY */ +/* reuse GL_INT_SAMPLER_2D_MULTISAMPLE_ARRAY */ +/* reuse GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE_ARRAY */ +/* reuse GL_MAX_COLOR_TEXTURE_SAMPLES */ +/* reuse GL_MAX_DEPTH_TEXTURE_SAMPLES */ +/* reuse GL_MAX_INTEGER_SAMPLES */ +/* Don't need to reuse tokens from ARB_vertex_array_bgra since they're already in 1.2 core */ +#endif + +#ifndef GL_VERSION_3_3 +#define GL_VERTEX_ATTRIB_ARRAY_DIVISOR 0x88FE +/* Reuse tokens from ARB_blend_func_extended */ +/* reuse GL_SRC1_COLOR */ +/* reuse GL_ONE_MINUS_SRC1_COLOR */ +/* reuse GL_ONE_MINUS_SRC1_ALPHA */ +/* reuse GL_MAX_DUAL_SOURCE_DRAW_BUFFERS */ +/* Reuse tokens from ARB_explicit_attrib_location (none) */ +/* Reuse tokens from ARB_occlusion_query2 */ +/* reuse GL_ANY_SAMPLES_PASSED */ +/* Reuse tokens from ARB_sampler_objects */ +/* reuse GL_SAMPLER_BINDING */ +/* Reuse tokens from ARB_shader_bit_encoding (none) */ +/* Reuse tokens from ARB_texture_rgb10_a2ui */ +/* reuse GL_RGB10_A2UI */ +/* Reuse tokens from ARB_texture_swizzle */ +/* reuse GL_TEXTURE_SWIZZLE_R */ +/* reuse GL_TEXTURE_SWIZZLE_G */ +/* reuse GL_TEXTURE_SWIZZLE_B */ +/* reuse GL_TEXTURE_SWIZZLE_A */ +/* reuse GL_TEXTURE_SWIZZLE_RGBA */ +/* Reuse tokens from ARB_timer_query */ +/* reuse GL_TIME_ELAPSED */ +/* reuse GL_TIMESTAMP */ +/* Reuse tokens from ARB_vertex_type_2_10_10_10_rev */ +/* reuse GL_INT_2_10_10_10_REV */ +#endif + +#ifndef GL_VERSION_4_0 +#define GL_SAMPLE_SHADING 0x8C36 +#define GL_MIN_SAMPLE_SHADING_VALUE 0x8C37 +#define GL_MIN_PROGRAM_TEXTURE_GATHER_OFFSET 0x8E5E +#define GL_MAX_PROGRAM_TEXTURE_GATHER_OFFSET 0x8E5F +#define GL_TEXTURE_CUBE_MAP_ARRAY 0x9009 +#define GL_TEXTURE_BINDING_CUBE_MAP_ARRAY 0x900A +#define GL_PROXY_TEXTURE_CUBE_MAP_ARRAY 0x900B +#define GL_SAMPLER_CUBE_MAP_ARRAY 0x900C +#define GL_SAMPLER_CUBE_MAP_ARRAY_SHADOW 0x900D +#define GL_INT_SAMPLER_CUBE_MAP_ARRAY 0x900E +#define GL_UNSIGNED_INT_SAMPLER_CUBE_MAP_ARRAY 0x900F +/* Reuse tokens from ARB_texture_query_lod (none) */ +/* Reuse tokens from ARB_draw_buffers_blend (none) */ +/* Reuse tokens from ARB_draw_indirect */ +/* reuse GL_DRAW_INDIRECT_BUFFER */ +/* reuse GL_DRAW_INDIRECT_BUFFER_BINDING */ +/* Reuse tokens from ARB_gpu_shader5 */ +/* reuse GL_GEOMETRY_SHADER_INVOCATIONS */ +/* reuse GL_MAX_GEOMETRY_SHADER_INVOCATIONS */ +/* reuse GL_MIN_FRAGMENT_INTERPOLATION_OFFSET */ +/* reuse GL_MAX_FRAGMENT_INTERPOLATION_OFFSET */ +/* reuse GL_FRAGMENT_INTERPOLATION_OFFSET_BITS */ +/* reuse GL_MAX_VERTEX_STREAMS */ +/* Reuse tokens from ARB_gpu_shader_fp64 */ +/* reuse GL_DOUBLE_VEC2 */ +/* reuse GL_DOUBLE_VEC3 */ +/* reuse GL_DOUBLE_VEC4 */ +/* reuse GL_DOUBLE_MAT2 */ +/* reuse GL_DOUBLE_MAT3 */ +/* reuse GL_DOUBLE_MAT4 */ +/* reuse GL_DOUBLE_MAT2x3 */ +/* reuse GL_DOUBLE_MAT2x4 */ +/* reuse GL_DOUBLE_MAT3x2 */ +/* reuse GL_DOUBLE_MAT3x4 */ +/* reuse GL_DOUBLE_MAT4x2 */ +/* reuse GL_DOUBLE_MAT4x3 */ +/* Reuse tokens from ARB_shader_subroutine */ +/* reuse GL_ACTIVE_SUBROUTINES */ +/* reuse GL_ACTIVE_SUBROUTINE_UNIFORMS */ +/* reuse GL_ACTIVE_SUBROUTINE_UNIFORM_LOCATIONS */ +/* reuse GL_ACTIVE_SUBROUTINE_MAX_LENGTH */ +/* reuse GL_ACTIVE_SUBROUTINE_UNIFORM_MAX_LENGTH */ +/* reuse GL_MAX_SUBROUTINES */ +/* reuse GL_MAX_SUBROUTINE_UNIFORM_LOCATIONS */ +/* reuse GL_NUM_COMPATIBLE_SUBROUTINES */ +/* reuse GL_COMPATIBLE_SUBROUTINES */ +/* Reuse tokens from ARB_tessellation_shader */ +/* reuse GL_PATCHES */ +/* reuse GL_PATCH_VERTICES */ +/* reuse GL_PATCH_DEFAULT_INNER_LEVEL */ +/* reuse GL_PATCH_DEFAULT_OUTER_LEVEL */ +/* reuse GL_TESS_CONTROL_OUTPUT_VERTICES */ +/* reuse GL_TESS_GEN_MODE */ +/* reuse GL_TESS_GEN_SPACING */ +/* reuse GL_TESS_GEN_VERTEX_ORDER */ +/* reuse GL_TESS_GEN_POINT_MODE */ +/* reuse GL_ISOLINES */ +/* reuse GL_FRACTIONAL_ODD */ +/* reuse GL_FRACTIONAL_EVEN */ +/* reuse GL_MAX_PATCH_VERTICES */ +/* reuse GL_MAX_TESS_GEN_LEVEL */ +/* reuse GL_MAX_TESS_CONTROL_UNIFORM_COMPONENTS */ +/* reuse GL_MAX_TESS_EVALUATION_UNIFORM_COMPONENTS */ +/* reuse GL_MAX_TESS_CONTROL_TEXTURE_IMAGE_UNITS */ +/* reuse GL_MAX_TESS_EVALUATION_TEXTURE_IMAGE_UNITS */ +/* reuse GL_MAX_TESS_CONTROL_OUTPUT_COMPONENTS */ +/* reuse GL_MAX_TESS_PATCH_COMPONENTS */ +/* reuse GL_MAX_TESS_CONTROL_TOTAL_OUTPUT_COMPONENTS */ +/* reuse GL_MAX_TESS_EVALUATION_OUTPUT_COMPONENTS */ +/* reuse GL_MAX_TESS_CONTROL_UNIFORM_BLOCKS */ +/* reuse GL_MAX_TESS_EVALUATION_UNIFORM_BLOCKS */ +/* reuse GL_MAX_TESS_CONTROL_INPUT_COMPONENTS */ +/* reuse GL_MAX_TESS_EVALUATION_INPUT_COMPONENTS */ +/* reuse GL_MAX_COMBINED_TESS_CONTROL_UNIFORM_COMPONENTS */ +/* reuse GL_MAX_COMBINED_TESS_EVALUATION_UNIFORM_COMPONENTS */ +/* reuse GL_UNIFORM_BLOCK_REFERENCED_BY_TESS_CONTROL_SHADER */ +/* reuse GL_UNIFORM_BLOCK_REFERENCED_BY_TESS_EVALUATION_SHADER */ +/* reuse GL_TESS_EVALUATION_SHADER */ +/* reuse GL_TESS_CONTROL_SHADER */ +/* Reuse tokens from ARB_texture_buffer_object_rgb32 (none) */ +/* Reuse tokens from ARB_transform_feedback2 */ +/* reuse GL_TRANSFORM_FEEDBACK */ +/* reuse GL_TRANSFORM_FEEDBACK_BUFFER_PAUSED */ +/* reuse GL_TRANSFORM_FEEDBACK_BUFFER_ACTIVE */ +/* reuse GL_TRANSFORM_FEEDBACK_BINDING */ +/* Reuse tokens from ARB_transform_feedback3 */ +/* reuse GL_MAX_TRANSFORM_FEEDBACK_BUFFERS */ +/* reuse GL_MAX_VERTEX_STREAMS */ +#endif + +#ifndef GL_VERSION_4_1 +/* Reuse tokens from ARB_ES2_compatibility */ +/* reuse GL_FIXED */ +/* reuse GL_IMPLEMENTATION_COLOR_READ_TYPE */ +/* reuse GL_IMPLEMENTATION_COLOR_READ_FORMAT */ +/* reuse GL_LOW_FLOAT */ +/* reuse GL_MEDIUM_FLOAT */ +/* reuse GL_HIGH_FLOAT */ +/* reuse GL_LOW_INT */ +/* reuse GL_MEDIUM_INT */ +/* reuse GL_HIGH_INT */ +/* reuse GL_SHADER_COMPILER */ +/* reuse GL_SHADER_BINARY_FORMATS */ +/* reuse GL_NUM_SHADER_BINARY_FORMATS */ +/* reuse GL_MAX_VERTEX_UNIFORM_VECTORS */ +/* reuse GL_MAX_VARYING_VECTORS */ +/* reuse GL_MAX_FRAGMENT_UNIFORM_VECTORS */ +/* reuse GL_RGB565 */ +/* Reuse tokens from ARB_get_program_binary */ +/* reuse GL_PROGRAM_BINARY_RETRIEVABLE_HINT */ +/* reuse GL_PROGRAM_BINARY_LENGTH */ +/* reuse GL_NUM_PROGRAM_BINARY_FORMATS */ +/* reuse GL_PROGRAM_BINARY_FORMATS */ +/* Reuse tokens from ARB_separate_shader_objects */ +/* reuse GL_VERTEX_SHADER_BIT */ +/* reuse GL_FRAGMENT_SHADER_BIT */ +/* reuse GL_GEOMETRY_SHADER_BIT */ +/* reuse GL_TESS_CONTROL_SHADER_BIT */ +/* reuse GL_TESS_EVALUATION_SHADER_BIT */ +/* reuse GL_ALL_SHADER_BITS */ +/* reuse GL_PROGRAM_SEPARABLE */ +/* reuse GL_ACTIVE_PROGRAM */ +/* reuse GL_PROGRAM_PIPELINE_BINDING */ +/* Reuse tokens from ARB_shader_precision (none) */ +/* Reuse tokens from ARB_vertex_attrib_64bit - all are in GL 3.0 and 4.0 already */ +/* Reuse tokens from ARB_viewport_array - some are in GL 1.1 and ARB_provoking_vertex already */ +/* reuse GL_MAX_VIEWPORTS */ +/* reuse GL_VIEWPORT_SUBPIXEL_BITS */ +/* reuse GL_VIEWPORT_BOUNDS_RANGE */ +/* reuse GL_LAYER_PROVOKING_VERTEX */ +/* reuse GL_VIEWPORT_INDEX_PROVOKING_VERTEX */ +/* reuse GL_UNDEFINED_VERTEX */ +#endif + +#ifndef GL_VERSION_4_2 +/* Reuse tokens from ARB_base_instance (none) */ +/* Reuse tokens from ARB_shading_language_420pack (none) */ +/* Reuse tokens from ARB_transform_feedback_instanced (none) */ +/* Reuse tokens from ARB_compressed_texture_pixel_storage */ +/* reuse GL_UNPACK_COMPRESSED_BLOCK_WIDTH */ +/* reuse GL_UNPACK_COMPRESSED_BLOCK_HEIGHT */ +/* reuse GL_UNPACK_COMPRESSED_BLOCK_DEPTH */ +/* reuse GL_UNPACK_COMPRESSED_BLOCK_SIZE */ +/* reuse GL_PACK_COMPRESSED_BLOCK_WIDTH */ +/* reuse GL_PACK_COMPRESSED_BLOCK_HEIGHT */ +/* reuse GL_PACK_COMPRESSED_BLOCK_DEPTH */ +/* reuse GL_PACK_COMPRESSED_BLOCK_SIZE */ +/* Reuse tokens from ARB_conservative_depth (none) */ +/* Reuse tokens from ARB_internalformat_query */ +/* reuse GL_NUM_SAMPLE_COUNTS */ +/* Reuse tokens from ARB_map_buffer_alignment */ +/* reuse GL_MIN_MAP_BUFFER_ALIGNMENT */ +/* Reuse tokens from ARB_shader_atomic_counters */ +/* reuse GL_ATOMIC_COUNTER_BUFFER */ +/* reuse GL_ATOMIC_COUNTER_BUFFER_BINDING */ +/* reuse GL_ATOMIC_COUNTER_BUFFER_START */ +/* reuse GL_ATOMIC_COUNTER_BUFFER_SIZE */ +/* reuse GL_ATOMIC_COUNTER_BUFFER_DATA_SIZE */ +/* reuse GL_ATOMIC_COUNTER_BUFFER_ACTIVE_ATOMIC_COUNTERS */ +/* reuse GL_ATOMIC_COUNTER_BUFFER_ACTIVE_ATOMIC_COUNTER_INDICES */ +/* reuse GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_VERTEX_SHADER */ +/* reuse GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_TESS_CONTROL_SHADER */ +/* reuse GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_TESS_EVALUATION_SHADER */ +/* reuse GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_GEOMETRY_SHADER */ +/* reuse GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_FRAGMENT_SHADER */ +/* reuse GL_MAX_VERTEX_ATOMIC_COUNTER_BUFFERS */ +/* reuse GL_MAX_TESS_CONTROL_ATOMIC_COUNTER_BUFFERS */ +/* reuse GL_MAX_TESS_EVALUATION_ATOMIC_COUNTER_BUFFERS */ +/* reuse GL_MAX_GEOMETRY_ATOMIC_COUNTER_BUFFERS */ +/* reuse GL_MAX_FRAGMENT_ATOMIC_COUNTER_BUFFERS */ +/* reuse GL_MAX_COMBINED_ATOMIC_COUNTER_BUFFERS */ +/* reuse GL_MAX_VERTEX_ATOMIC_COUNTERS */ +/* reuse GL_MAX_TESS_CONTROL_ATOMIC_COUNTERS */ +/* reuse GL_MAX_TESS_EVALUATION_ATOMIC_COUNTERS */ +/* reuse GL_MAX_GEOMETRY_ATOMIC_COUNTERS */ +/* reuse GL_MAX_FRAGMENT_ATOMIC_COUNTERS */ +/* reuse GL_MAX_COMBINED_ATOMIC_COUNTERS */ +/* reuse GL_MAX_ATOMIC_COUNTER_BUFFER_SIZE */ +/* reuse GL_MAX_ATOMIC_COUNTER_BUFFER_BINDINGS */ +/* reuse GL_ACTIVE_ATOMIC_COUNTER_BUFFERS */ +/* reuse GL_UNIFORM_ATOMIC_COUNTER_BUFFER_INDEX */ +/* reuse GL_UNSIGNED_INT_ATOMIC_COUNTER */ +/* Reuse tokens from ARB_shader_image_load_store */ +/* reuse GL_VERTEX_ATTRIB_ARRAY_BARRIER_BIT */ +/* reuse GL_ELEMENT_ARRAY_BARRIER_BIT */ +/* reuse GL_UNIFORM_BARRIER_BIT */ +/* reuse GL_TEXTURE_FETCH_BARRIER_BIT */ +/* reuse GL_SHADER_IMAGE_ACCESS_BARRIER_BIT */ +/* reuse GL_COMMAND_BARRIER_BIT */ +/* reuse GL_PIXEL_BUFFER_BARRIER_BIT */ +/* reuse GL_TEXTURE_UPDATE_BARRIER_BIT */ +/* reuse GL_BUFFER_UPDATE_BARRIER_BIT */ +/* reuse GL_FRAMEBUFFER_BARRIER_BIT */ +/* reuse GL_TRANSFORM_FEEDBACK_BARRIER_BIT */ +/* reuse GL_ATOMIC_COUNTER_BARRIER_BIT */ +/* reuse GL_ALL_BARRIER_BITS */ +/* reuse GL_MAX_IMAGE_UNITS */ +/* reuse GL_MAX_COMBINED_IMAGE_UNITS_AND_FRAGMENT_OUTPUTS */ +/* reuse GL_IMAGE_BINDING_NAME */ +/* reuse GL_IMAGE_BINDING_LEVEL */ +/* reuse GL_IMAGE_BINDING_LAYERED */ +/* reuse GL_IMAGE_BINDING_LAYER */ +/* reuse GL_IMAGE_BINDING_ACCESS */ +/* reuse GL_IMAGE_1D */ +/* reuse GL_IMAGE_2D */ +/* reuse GL_IMAGE_3D */ +/* reuse GL_IMAGE_2D_RECT */ +/* reuse GL_IMAGE_CUBE */ +/* reuse GL_IMAGE_BUFFER */ +/* reuse GL_IMAGE_1D_ARRAY */ +/* reuse GL_IMAGE_2D_ARRAY */ +/* reuse GL_IMAGE_CUBE_MAP_ARRAY */ +/* reuse GL_IMAGE_2D_MULTISAMPLE */ +/* reuse GL_IMAGE_2D_MULTISAMPLE_ARRAY */ +/* reuse GL_INT_IMAGE_1D */ +/* reuse GL_INT_IMAGE_2D */ +/* reuse GL_INT_IMAGE_3D */ +/* reuse GL_INT_IMAGE_2D_RECT */ +/* reuse GL_INT_IMAGE_CUBE */ +/* reuse GL_INT_IMAGE_BUFFER */ +/* reuse GL_INT_IMAGE_1D_ARRAY */ +/* reuse GL_INT_IMAGE_2D_ARRAY */ +/* reuse GL_INT_IMAGE_CUBE_MAP_ARRAY */ +/* reuse GL_INT_IMAGE_2D_MULTISAMPLE */ +/* reuse GL_INT_IMAGE_2D_MULTISAMPLE_ARRAY */ +/* reuse GL_UNSIGNED_INT_IMAGE_1D */ +/* reuse GL_UNSIGNED_INT_IMAGE_2D */ +/* reuse GL_UNSIGNED_INT_IMAGE_3D */ +/* reuse GL_UNSIGNED_INT_IMAGE_2D_RECT */ +/* reuse GL_UNSIGNED_INT_IMAGE_CUBE */ +/* reuse GL_UNSIGNED_INT_IMAGE_BUFFER */ +/* reuse GL_UNSIGNED_INT_IMAGE_1D_ARRAY */ +/* reuse GL_UNSIGNED_INT_IMAGE_2D_ARRAY */ +/* reuse GL_UNSIGNED_INT_IMAGE_CUBE_MAP_ARRAY */ +/* reuse GL_UNSIGNED_INT_IMAGE_2D_MULTISAMPLE */ +/* reuse GL_UNSIGNED_INT_IMAGE_2D_MULTISAMPLE_ARRAY */ +/* reuse GL_MAX_IMAGE_SAMPLES */ +/* reuse GL_IMAGE_BINDING_FORMAT */ +/* reuse GL_IMAGE_FORMAT_COMPATIBILITY_TYPE */ +/* reuse GL_IMAGE_FORMAT_COMPATIBILITY_BY_SIZE */ +/* reuse GL_IMAGE_FORMAT_COMPATIBILITY_BY_CLASS */ +/* reuse GL_MAX_VERTEX_IMAGE_UNIFORMS */ +/* reuse GL_MAX_TESS_CONTROL_IMAGE_UNIFORMS */ +/* reuse GL_MAX_TESS_EVALUATION_IMAGE_UNIFORMS */ +/* reuse GL_MAX_GEOMETRY_IMAGE_UNIFORMS */ +/* reuse GL_MAX_FRAGMENT_IMAGE_UNIFORMS */ +/* reuse GL_MAX_COMBINED_IMAGE_UNIFORMS */ +/* Reuse tokens from ARB_shading_language_packing (none) */ +/* Reuse tokens from ARB_texture_storage */ +/* reuse GL_TEXTURE_IMMUTABLE_FORMAT */ +#endif + +#ifndef GL_VERSION_4_3 +#define GL_NUM_SHADING_LANGUAGE_VERSIONS 0x82E9 +#define GL_VERTEX_ATTRIB_ARRAY_LONG 0x874E +/* Reuse tokens from ARB_arrays_of_arrays (none, GLSL only) */ +/* Reuse tokens from ARB_fragment_layer_viewport (none, GLSL only) */ +/* Reuse tokens from ARB_shader_image_size (none, GLSL only) */ +/* Reuse tokens from ARB_ES3_compatibility */ +/* reuse GL_COMPRESSED_RGB8_ETC2 */ +/* reuse GL_COMPRESSED_SRGB8_ETC2 */ +/* reuse GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 */ +/* reuse GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2 */ +/* reuse GL_COMPRESSED_RGBA8_ETC2_EAC */ +/* reuse GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC */ +/* reuse GL_COMPRESSED_R11_EAC */ +/* reuse GL_COMPRESSED_SIGNED_R11_EAC */ +/* reuse GL_COMPRESSED_RG11_EAC */ +/* reuse GL_COMPRESSED_SIGNED_RG11_EAC */ +/* reuse GL_PRIMITIVE_RESTART_FIXED_INDEX */ +/* reuse GL_ANY_SAMPLES_PASSED_CONSERVATIVE */ +/* reuse GL_MAX_ELEMENT_INDEX */ +/* Reuse tokens from ARB_clear_buffer_object (none) */ +/* Reuse tokens from ARB_compute_shader */ +/* reuse GL_COMPUTE_SHADER */ +/* reuse GL_MAX_COMPUTE_UNIFORM_BLOCKS */ +/* reuse GL_MAX_COMPUTE_TEXTURE_IMAGE_UNITS */ +/* reuse GL_MAX_COMPUTE_IMAGE_UNIFORMS */ +/* reuse GL_MAX_COMPUTE_SHARED_MEMORY_SIZE */ +/* reuse GL_MAX_COMPUTE_UNIFORM_COMPONENTS */ +/* reuse GL_MAX_COMPUTE_ATOMIC_COUNTER_BUFFERS */ +/* reuse GL_MAX_COMPUTE_ATOMIC_COUNTERS */ +/* reuse GL_MAX_COMBINED_COMPUTE_UNIFORM_COMPONENTS */ +/* reuse GL_MAX_COMPUTE_LOCAL_INVOCATIONS */ +/* reuse GL_MAX_COMPUTE_WORK_GROUP_COUNT */ +/* reuse GL_MAX_COMPUTE_WORK_GROUP_SIZE */ +/* reuse GL_COMPUTE_LOCAL_WORK_SIZE */ +/* reuse GL_UNIFORM_BLOCK_REFERENCED_BY_COMPUTE_SHADER */ +/* reuse GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_COMPUTE_SHADER */ +/* reuse GL_DISPATCH_INDIRECT_BUFFER */ +/* reuse GL_DISPATCH_INDIRECT_BUFFER_BINDING */ +/* Reuse tokens from ARB_copy_image (none) */ +/* Reuse tokens from KHR_debug */ +/* reuse GL_DEBUG_OUTPUT_SYNCHRONOUS */ +/* reuse GL_DEBUG_NEXT_LOGGED_MESSAGE_LENGTH */ +/* reuse GL_DEBUG_CALLBACK_FUNCTION */ +/* reuse GL_DEBUG_CALLBACK_USER_PARAM */ +/* reuse GL_DEBUG_SOURCE_API */ +/* reuse GL_DEBUG_SOURCE_WINDOW_SYSTEM */ +/* reuse GL_DEBUG_SOURCE_SHADER_COMPILER */ +/* reuse GL_DEBUG_SOURCE_THIRD_PARTY */ +/* reuse GL_DEBUG_SOURCE_APPLICATION */ +/* reuse GL_DEBUG_SOURCE_OTHER */ +/* reuse GL_DEBUG_TYPE_ERROR */ +/* reuse GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR */ +/* reuse GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR */ +/* reuse GL_DEBUG_TYPE_PORTABILITY */ +/* reuse GL_DEBUG_TYPE_PERFORMANCE */ +/* reuse GL_DEBUG_TYPE_OTHER */ +/* reuse GL_MAX_DEBUG_MESSAGE_LENGTH */ +/* reuse GL_MAX_DEBUG_LOGGED_MESSAGES */ +/* reuse GL_DEBUG_LOGGED_MESSAGES */ +/* reuse GL_DEBUG_SEVERITY_HIGH */ +/* reuse GL_DEBUG_SEVERITY_MEDIUM */ +/* reuse GL_DEBUG_SEVERITY_LOW */ +/* reuse GL_DEBUG_TYPE_MARKER */ +/* reuse GL_DEBUG_TYPE_PUSH_GROUP */ +/* reuse GL_DEBUG_TYPE_POP_GROUP */ +/* reuse GL_DEBUG_SEVERITY_NOTIFICATION */ +/* reuse GL_MAX_DEBUG_GROUP_STACK_DEPTH */ +/* reuse GL_DEBUG_GROUP_STACK_DEPTH */ +/* reuse GL_BUFFER */ +/* reuse GL_SHADER */ +/* reuse GL_PROGRAM */ +/* reuse GL_QUERY */ +/* reuse GL_PROGRAM_PIPELINE */ +/* reuse GL_SAMPLER */ +/* reuse GL_DISPLAY_LIST */ +/* reuse GL_MAX_LABEL_LENGTH */ +/* reuse GL_DEBUG_OUTPUT */ +/* reuse GL_CONTEXT_FLAG_DEBUG_BIT */ +/* reuse GL_STACK_UNDERFLOW */ +/* reuse GL_STACK_OVERFLOW */ +/* Reuse tokens from ARB_explicit_uniform_location */ +/* reuse GL_MAX_UNIFORM_LOCATIONS */ +/* Reuse tokens from ARB_framebuffer_no_attachments */ +/* reuse GL_FRAMEBUFFER_DEFAULT_WIDTH */ +/* reuse GL_FRAMEBUFFER_DEFAULT_HEIGHT */ +/* reuse GL_FRAMEBUFFER_DEFAULT_LAYERS */ +/* reuse GL_FRAMEBUFFER_DEFAULT_SAMPLES */ +/* reuse GL_FRAMEBUFFER_DEFAULT_FIXED_SAMPLE_LOCATIONS */ +/* reuse GL_MAX_FRAMEBUFFER_WIDTH */ +/* reuse GL_MAX_FRAMEBUFFER_HEIGHT */ +/* reuse GL_MAX_FRAMEBUFFER_LAYERS */ +/* reuse GL_MAX_FRAMEBUFFER_SAMPLES */ +/* Reuse tokens from ARB_internalformat_query2 */ +/* reuse GL_INTERNALFORMAT_SUPPORTED */ +/* reuse GL_INTERNALFORMAT_PREFERRED */ +/* reuse GL_INTERNALFORMAT_RED_SIZE */ +/* reuse GL_INTERNALFORMAT_GREEN_SIZE */ +/* reuse GL_INTERNALFORMAT_BLUE_SIZE */ +/* reuse GL_INTERNALFORMAT_ALPHA_SIZE */ +/* reuse GL_INTERNALFORMAT_DEPTH_SIZE */ +/* reuse GL_INTERNALFORMAT_STENCIL_SIZE */ +/* reuse GL_INTERNALFORMAT_SHARED_SIZE */ +/* reuse GL_INTERNALFORMAT_RED_TYPE */ +/* reuse GL_INTERNALFORMAT_GREEN_TYPE */ +/* reuse GL_INTERNALFORMAT_BLUE_TYPE */ +/* reuse GL_INTERNALFORMAT_ALPHA_TYPE */ +/* reuse GL_INTERNALFORMAT_DEPTH_TYPE */ +/* reuse GL_INTERNALFORMAT_STENCIL_TYPE */ +/* reuse GL_MAX_WIDTH */ +/* reuse GL_MAX_HEIGHT */ +/* reuse GL_MAX_DEPTH */ +/* reuse GL_MAX_LAYERS */ +/* reuse GL_MAX_COMBINED_DIMENSIONS */ +/* reuse GL_COLOR_COMPONENTS */ +/* reuse GL_DEPTH_COMPONENTS */ +/* reuse GL_STENCIL_COMPONENTS */ +/* reuse GL_COLOR_RENDERABLE */ +/* reuse GL_DEPTH_RENDERABLE */ +/* reuse GL_STENCIL_RENDERABLE */ +/* reuse GL_FRAMEBUFFER_RENDERABLE */ +/* reuse GL_FRAMEBUFFER_RENDERABLE_LAYERED */ +/* reuse GL_FRAMEBUFFER_BLEND */ +/* reuse GL_READ_PIXELS */ +/* reuse GL_READ_PIXELS_FORMAT */ +/* reuse GL_READ_PIXELS_TYPE */ +/* reuse GL_TEXTURE_IMAGE_FORMAT */ +/* reuse GL_TEXTURE_IMAGE_TYPE */ +/* reuse GL_GET_TEXTURE_IMAGE_FORMAT */ +/* reuse GL_GET_TEXTURE_IMAGE_TYPE */ +/* reuse GL_MIPMAP */ +/* reuse GL_MANUAL_GENERATE_MIPMAP */ +/* reuse GL_AUTO_GENERATE_MIPMAP */ +/* reuse GL_COLOR_ENCODING */ +/* reuse GL_SRGB_READ */ +/* reuse GL_SRGB_WRITE */ +/* reuse GL_FILTER */ +/* reuse GL_VERTEX_TEXTURE */ +/* reuse GL_TESS_CONTROL_TEXTURE */ +/* reuse GL_TESS_EVALUATION_TEXTURE */ +/* reuse GL_GEOMETRY_TEXTURE */ +/* reuse GL_FRAGMENT_TEXTURE */ +/* reuse GL_COMPUTE_TEXTURE */ +/* reuse GL_TEXTURE_SHADOW */ +/* reuse GL_TEXTURE_GATHER */ +/* reuse GL_TEXTURE_GATHER_SHADOW */ +/* reuse GL_SHADER_IMAGE_LOAD */ +/* reuse GL_SHADER_IMAGE_STORE */ +/* reuse GL_SHADER_IMAGE_ATOMIC */ +/* reuse GL_IMAGE_TEXEL_SIZE */ +/* reuse GL_IMAGE_COMPATIBILITY_CLASS */ +/* reuse GL_IMAGE_PIXEL_FORMAT */ +/* reuse GL_IMAGE_PIXEL_TYPE */ +/* reuse GL_SIMULTANEOUS_TEXTURE_AND_DEPTH_TEST */ +/* reuse GL_SIMULTANEOUS_TEXTURE_AND_STENCIL_TEST */ +/* reuse GL_SIMULTANEOUS_TEXTURE_AND_DEPTH_WRITE */ +/* reuse GL_SIMULTANEOUS_TEXTURE_AND_STENCIL_WRITE */ +/* reuse GL_TEXTURE_COMPRESSED_BLOCK_WIDTH */ +/* reuse GL_TEXTURE_COMPRESSED_BLOCK_HEIGHT */ +/* reuse GL_TEXTURE_COMPRESSED_BLOCK_SIZE */ +/* reuse GL_CLEAR_BUFFER */ +/* reuse GL_TEXTURE_VIEW */ +/* reuse GL_VIEW_COMPATIBILITY_CLASS */ +/* reuse GL_FULL_SUPPORT */ +/* reuse GL_CAVEAT_SUPPORT */ +/* reuse GL_IMAGE_CLASS_4_X_32 */ +/* reuse GL_IMAGE_CLASS_2_X_32 */ +/* reuse GL_IMAGE_CLASS_1_X_32 */ +/* reuse GL_IMAGE_CLASS_4_X_16 */ +/* reuse GL_IMAGE_CLASS_2_X_16 */ +/* reuse GL_IMAGE_CLASS_1_X_16 */ +/* reuse GL_IMAGE_CLASS_4_X_8 */ +/* reuse GL_IMAGE_CLASS_2_X_8 */ +/* reuse GL_IMAGE_CLASS_1_X_8 */ +/* reuse GL_IMAGE_CLASS_11_11_10 */ +/* reuse GL_IMAGE_CLASS_10_10_10_2 */ +/* reuse GL_VIEW_CLASS_128_BITS */ +/* reuse GL_VIEW_CLASS_96_BITS */ +/* reuse GL_VIEW_CLASS_64_BITS */ +/* reuse GL_VIEW_CLASS_48_BITS */ +/* reuse GL_VIEW_CLASS_32_BITS */ +/* reuse GL_VIEW_CLASS_24_BITS */ +/* reuse GL_VIEW_CLASS_16_BITS */ +/* reuse GL_VIEW_CLASS_8_BITS */ +/* reuse GL_VIEW_CLASS_S3TC_DXT1_RGB */ +/* reuse GL_VIEW_CLASS_S3TC_DXT1_RGBA */ +/* reuse GL_VIEW_CLASS_S3TC_DXT3_RGBA */ +/* reuse GL_VIEW_CLASS_S3TC_DXT5_RGBA */ +/* reuse GL_VIEW_CLASS_RGTC1_RED */ +/* reuse GL_VIEW_CLASS_RGTC2_RG */ +/* reuse GL_VIEW_CLASS_BPTC_UNORM */ +/* reuse GL_VIEW_CLASS_BPTC_FLOAT */ +/* Reuse tokens from ARB_invalidate_subdata (none) */ +/* Reuse tokens from ARB_multi_draw_indirect (none) */ +/* Reuse tokens from ARB_program_interface_query */ +/* reuse GL_UNIFORM */ +/* reuse GL_UNIFORM_BLOCK */ +/* reuse GL_PROGRAM_INPUT */ +/* reuse GL_PROGRAM_OUTPUT */ +/* reuse GL_BUFFER_VARIABLE */ +/* reuse GL_SHADER_STORAGE_BLOCK */ +/* reuse GL_VERTEX_SUBROUTINE */ +/* reuse GL_TESS_CONTROL_SUBROUTINE */ +/* reuse GL_TESS_EVALUATION_SUBROUTINE */ +/* reuse GL_GEOMETRY_SUBROUTINE */ +/* reuse GL_FRAGMENT_SUBROUTINE */ +/* reuse GL_COMPUTE_SUBROUTINE */ +/* reuse GL_VERTEX_SUBROUTINE_UNIFORM */ +/* reuse GL_TESS_CONTROL_SUBROUTINE_UNIFORM */ +/* reuse GL_TESS_EVALUATION_SUBROUTINE_UNIFORM */ +/* reuse GL_GEOMETRY_SUBROUTINE_UNIFORM */ +/* reuse GL_FRAGMENT_SUBROUTINE_UNIFORM */ +/* reuse GL_COMPUTE_SUBROUTINE_UNIFORM */ +/* reuse GL_TRANSFORM_FEEDBACK_VARYING */ +/* reuse GL_ACTIVE_RESOURCES */ +/* reuse GL_MAX_NAME_LENGTH */ +/* reuse GL_MAX_NUM_ACTIVE_VARIABLES */ +/* reuse GL_MAX_NUM_COMPATIBLE_SUBROUTINES */ +/* reuse GL_NAME_LENGTH */ +/* reuse GL_TYPE */ +/* reuse GL_ARRAY_SIZE */ +/* reuse GL_OFFSET */ +/* reuse GL_BLOCK_INDEX */ +/* reuse GL_ARRAY_STRIDE */ +/* reuse GL_MATRIX_STRIDE */ +/* reuse GL_IS_ROW_MAJOR */ +/* reuse GL_ATOMIC_COUNTER_BUFFER_INDEX */ +/* reuse GL_BUFFER_BINDING */ +/* reuse GL_BUFFER_DATA_SIZE */ +/* reuse GL_NUM_ACTIVE_VARIABLES */ +/* reuse GL_ACTIVE_VARIABLES */ +/* reuse GL_REFERENCED_BY_VERTEX_SHADER */ +/* reuse GL_REFERENCED_BY_TESS_CONTROL_SHADER */ +/* reuse GL_REFERENCED_BY_TESS_EVALUATION_SHADER */ +/* reuse GL_REFERENCED_BY_GEOMETRY_SHADER */ +/* reuse GL_REFERENCED_BY_FRAGMENT_SHADER */ +/* reuse GL_REFERENCED_BY_COMPUTE_SHADER */ +/* reuse GL_TOP_LEVEL_ARRAY_SIZE */ +/* reuse GL_TOP_LEVEL_ARRAY_STRIDE */ +/* reuse GL_LOCATION */ +/* reuse GL_LOCATION_INDEX */ +/* reuse GL_IS_PER_PATCH */ +/* Reuse tokens from ARB_robust_buffer_access_behavior (none) */ +/* Reuse tokens from ARB_shader_storage_buffer_object */ +/* reuse GL_SHADER_STORAGE_BUFFER */ +/* reuse GL_SHADER_STORAGE_BUFFER_BINDING */ +/* reuse GL_SHADER_STORAGE_BUFFER_START */ +/* reuse GL_SHADER_STORAGE_BUFFER_SIZE */ +/* reuse GL_MAX_VERTEX_SHADER_STORAGE_BLOCKS */ +/* reuse GL_MAX_GEOMETRY_SHADER_STORAGE_BLOCKS */ +/* reuse GL_MAX_TESS_CONTROL_SHADER_STORAGE_BLOCKS */ +/* reuse GL_MAX_TESS_EVALUATION_SHADER_STORAGE_BLOCKS */ +/* reuse GL_MAX_FRAGMENT_SHADER_STORAGE_BLOCKS */ +/* reuse GL_MAX_COMPUTE_SHADER_STORAGE_BLOCKS */ +/* reuse GL_MAX_COMBINED_SHADER_STORAGE_BLOCKS */ +/* reuse GL_MAX_SHADER_STORAGE_BUFFER_BINDINGS */ +/* reuse GL_MAX_SHADER_STORAGE_BLOCK_SIZE */ +/* reuse GL_SHADER_STORAGE_BUFFER_OFFSET_ALIGNMENT */ +/* reuse GL_SHADER_STORAGE_BARRIER_BIT */ +/* reuse GL_MAX_COMBINED_SHADER_OUTPUT_RESOURCES */ +/* Reuse tokens from ARB_stencil_texturing */ +/* reuse GL_DEPTH_STENCIL_TEXTURE_MODE */ +/* Reuse tokens from ARB_texture_buffer_range */ +/* reuse GL_TEXTURE_BUFFER_OFFSET */ +/* reuse GL_TEXTURE_BUFFER_SIZE */ +/* reuse GL_TEXTURE_BUFFER_OFFSET_ALIGNMENT */ +/* Reuse tokens from ARB_texture_query_levels (none) */ +/* Reuse tokens from ARB_texture_storage_multisample (none) */ +/* Reuse tokens from ARB_texture_view */ +/* reuse GL_TEXTURE_VIEW_MIN_LEVEL */ +/* reuse GL_TEXTURE_VIEW_NUM_LEVELS */ +/* reuse GL_TEXTURE_VIEW_MIN_LAYER */ +/* reuse GL_TEXTURE_VIEW_NUM_LAYERS */ +/* reuse GL_TEXTURE_IMMUTABLE_LEVELS */ +/* Reuse tokens from ARB_vertex_attrib_binding */ +/* reuse GL_VERTEX_ATTRIB_BINDING */ +/* reuse GL_VERTEX_ATTRIB_RELATIVE_OFFSET */ +/* reuse GL_VERTEX_BINDING_DIVISOR */ +/* reuse GL_VERTEX_BINDING_OFFSET */ +/* reuse GL_VERTEX_BINDING_STRIDE */ +/* reuse GL_MAX_VERTEX_ATTRIB_RELATIVE_OFFSET */ +/* reuse GL_MAX_VERTEX_ATTRIB_BINDINGS */ +#endif + +#ifndef GL_ARB_depth_buffer_float +#define GL_DEPTH_COMPONENT32F 0x8CAC +#define GL_DEPTH32F_STENCIL8 0x8CAD +#define GL_FLOAT_32_UNSIGNED_INT_24_8_REV 0x8DAD +#endif + +#ifndef GL_ARB_framebuffer_object +#define GL_INVALID_FRAMEBUFFER_OPERATION 0x0506 +#define GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING 0x8210 +#define GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE 0x8211 +#define GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE 0x8212 +#define GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE 0x8213 +#define GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE 0x8214 +#define GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE 0x8215 +#define GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE 0x8216 +#define GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE 0x8217 +#define GL_FRAMEBUFFER_DEFAULT 0x8218 +#define GL_FRAMEBUFFER_UNDEFINED 0x8219 +#define GL_DEPTH_STENCIL_ATTACHMENT 0x821A +#define GL_MAX_RENDERBUFFER_SIZE 0x84E8 +#define GL_DEPTH_STENCIL 0x84F9 +#define GL_UNSIGNED_INT_24_8 0x84FA +#define GL_DEPTH24_STENCIL8 0x88F0 +#define GL_TEXTURE_STENCIL_SIZE 0x88F1 +#define GL_TEXTURE_RED_TYPE 0x8C10 +#define GL_TEXTURE_GREEN_TYPE 0x8C11 +#define GL_TEXTURE_BLUE_TYPE 0x8C12 +#define GL_TEXTURE_ALPHA_TYPE 0x8C13 +#define GL_TEXTURE_DEPTH_TYPE 0x8C16 +#define GL_UNSIGNED_NORMALIZED 0x8C17 +#define GL_FRAMEBUFFER_BINDING 0x8CA6 +#define GL_DRAW_FRAMEBUFFER_BINDING GL_FRAMEBUFFER_BINDING +#define GL_RENDERBUFFER_BINDING 0x8CA7 +#define GL_READ_FRAMEBUFFER 0x8CA8 +#define GL_DRAW_FRAMEBUFFER 0x8CA9 +#define GL_READ_FRAMEBUFFER_BINDING 0x8CAA +#define GL_RENDERBUFFER_SAMPLES 0x8CAB +#define GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE 0x8CD0 +#define GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME 0x8CD1 +#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL 0x8CD2 +#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE 0x8CD3 +#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER 0x8CD4 +#define GL_FRAMEBUFFER_COMPLETE 0x8CD5 +#define GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT 0x8CD6 +#define GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT 0x8CD7 +#define GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER 0x8CDB +#define GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER 0x8CDC +#define GL_FRAMEBUFFER_UNSUPPORTED 0x8CDD +#define GL_MAX_COLOR_ATTACHMENTS 0x8CDF +#define GL_COLOR_ATTACHMENT0 0x8CE0 +#define GL_COLOR_ATTACHMENT1 0x8CE1 +#define GL_COLOR_ATTACHMENT2 0x8CE2 +#define GL_COLOR_ATTACHMENT3 0x8CE3 +#define GL_COLOR_ATTACHMENT4 0x8CE4 +#define GL_COLOR_ATTACHMENT5 0x8CE5 +#define GL_COLOR_ATTACHMENT6 0x8CE6 +#define GL_COLOR_ATTACHMENT7 0x8CE7 +#define GL_COLOR_ATTACHMENT8 0x8CE8 +#define GL_COLOR_ATTACHMENT9 0x8CE9 +#define GL_COLOR_ATTACHMENT10 0x8CEA +#define GL_COLOR_ATTACHMENT11 0x8CEB +#define GL_COLOR_ATTACHMENT12 0x8CEC +#define GL_COLOR_ATTACHMENT13 0x8CED +#define GL_COLOR_ATTACHMENT14 0x8CEE +#define GL_COLOR_ATTACHMENT15 0x8CEF +#define GL_DEPTH_ATTACHMENT 0x8D00 +#define GL_STENCIL_ATTACHMENT 0x8D20 +#define GL_FRAMEBUFFER 0x8D40 +#define GL_RENDERBUFFER 0x8D41 +#define GL_RENDERBUFFER_WIDTH 0x8D42 +#define GL_RENDERBUFFER_HEIGHT 0x8D43 +#define GL_RENDERBUFFER_INTERNAL_FORMAT 0x8D44 +#define GL_STENCIL_INDEX1 0x8D46 +#define GL_STENCIL_INDEX4 0x8D47 +#define GL_STENCIL_INDEX8 0x8D48 +#define GL_STENCIL_INDEX16 0x8D49 +#define GL_RENDERBUFFER_RED_SIZE 0x8D50 +#define GL_RENDERBUFFER_GREEN_SIZE 0x8D51 +#define GL_RENDERBUFFER_BLUE_SIZE 0x8D52 +#define GL_RENDERBUFFER_ALPHA_SIZE 0x8D53 +#define GL_RENDERBUFFER_DEPTH_SIZE 0x8D54 +#define GL_RENDERBUFFER_STENCIL_SIZE 0x8D55 +#define GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE 0x8D56 +#define GL_MAX_SAMPLES 0x8D57 +#endif + +#ifndef GL_ARB_framebuffer_sRGB +#define GL_FRAMEBUFFER_SRGB 0x8DB9 +#endif + +#ifndef GL_ARB_half_float_vertex +#define GL_HALF_FLOAT 0x140B +#endif + +#ifndef GL_ARB_map_buffer_range +#define GL_MAP_READ_BIT 0x0001 +#define GL_MAP_WRITE_BIT 0x0002 +#define GL_MAP_INVALIDATE_RANGE_BIT 0x0004 +#define GL_MAP_INVALIDATE_BUFFER_BIT 0x0008 +#define GL_MAP_FLUSH_EXPLICIT_BIT 0x0010 +#define GL_MAP_UNSYNCHRONIZED_BIT 0x0020 +#endif + +#ifndef GL_ARB_texture_compression_rgtc +#define GL_COMPRESSED_RED_RGTC1 0x8DBB +#define GL_COMPRESSED_SIGNED_RED_RGTC1 0x8DBC +#define GL_COMPRESSED_RG_RGTC2 0x8DBD +#define GL_COMPRESSED_SIGNED_RG_RGTC2 0x8DBE +#endif + +#ifndef GL_ARB_texture_rg +#define GL_RG 0x8227 +#define GL_RG_INTEGER 0x8228 +#define GL_R8 0x8229 +#define GL_R16 0x822A +#define GL_RG8 0x822B +#define GL_RG16 0x822C +#define GL_R16F 0x822D +#define GL_R32F 0x822E +#define GL_RG16F 0x822F +#define GL_RG32F 0x8230 +#define GL_R8I 0x8231 +#define GL_R8UI 0x8232 +#define GL_R16I 0x8233 +#define GL_R16UI 0x8234 +#define GL_R32I 0x8235 +#define GL_R32UI 0x8236 +#define GL_RG8I 0x8237 +#define GL_RG8UI 0x8238 +#define GL_RG16I 0x8239 +#define GL_RG16UI 0x823A +#define GL_RG32I 0x823B +#define GL_RG32UI 0x823C +#endif + +#ifndef GL_ARB_vertex_array_object +#define GL_VERTEX_ARRAY_BINDING 0x85B5 +#endif + +#ifndef GL_ARB_uniform_buffer_object +#define GL_UNIFORM_BUFFER 0x8A11 +#define GL_UNIFORM_BUFFER_BINDING 0x8A28 +#define GL_UNIFORM_BUFFER_START 0x8A29 +#define GL_UNIFORM_BUFFER_SIZE 0x8A2A +#define GL_MAX_VERTEX_UNIFORM_BLOCKS 0x8A2B +#define GL_MAX_GEOMETRY_UNIFORM_BLOCKS 0x8A2C +#define GL_MAX_FRAGMENT_UNIFORM_BLOCKS 0x8A2D +#define GL_MAX_COMBINED_UNIFORM_BLOCKS 0x8A2E +#define GL_MAX_UNIFORM_BUFFER_BINDINGS 0x8A2F +#define GL_MAX_UNIFORM_BLOCK_SIZE 0x8A30 +#define GL_MAX_COMBINED_VERTEX_UNIFORM_COMPONENTS 0x8A31 +#define GL_MAX_COMBINED_GEOMETRY_UNIFORM_COMPONENTS 0x8A32 +#define GL_MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS 0x8A33 +#define GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT 0x8A34 +#define GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH 0x8A35 +#define GL_ACTIVE_UNIFORM_BLOCKS 0x8A36 +#define GL_UNIFORM_TYPE 0x8A37 +#define GL_UNIFORM_SIZE 0x8A38 +#define GL_UNIFORM_NAME_LENGTH 0x8A39 +#define GL_UNIFORM_BLOCK_INDEX 0x8A3A +#define GL_UNIFORM_OFFSET 0x8A3B +#define GL_UNIFORM_ARRAY_STRIDE 0x8A3C +#define GL_UNIFORM_MATRIX_STRIDE 0x8A3D +#define GL_UNIFORM_IS_ROW_MAJOR 0x8A3E +#define GL_UNIFORM_BLOCK_BINDING 0x8A3F +#define GL_UNIFORM_BLOCK_DATA_SIZE 0x8A40 +#define GL_UNIFORM_BLOCK_NAME_LENGTH 0x8A41 +#define GL_UNIFORM_BLOCK_ACTIVE_UNIFORMS 0x8A42 +#define GL_UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES 0x8A43 +#define GL_UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER 0x8A44 +#define GL_UNIFORM_BLOCK_REFERENCED_BY_GEOMETRY_SHADER 0x8A45 +#define GL_UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER 0x8A46 +#define GL_INVALID_INDEX 0xFFFFFFFFu +#endif + +#ifndef GL_ARB_copy_buffer +#define GL_COPY_READ_BUFFER_BINDING 0x8F36 +#define GL_COPY_READ_BUFFER GL_COPY_READ_BUFFER_BINDING +#define GL_COPY_WRITE_BUFFER_BINDING 0x8F37 +#define GL_COPY_WRITE_BUFFER GL_COPY_WRITE_BUFFER_BINDING +#endif + +#ifndef GL_ARB_depth_clamp +#define GL_DEPTH_CLAMP 0x864F +#endif + +#ifndef GL_ARB_draw_elements_base_vertex +#endif + +#ifndef GL_ARB_fragment_coord_conventions +#endif + +#ifndef GL_ARB_provoking_vertex +#define GL_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION 0x8E4C +#define GL_FIRST_VERTEX_CONVENTION 0x8E4D +#define GL_LAST_VERTEX_CONVENTION 0x8E4E +#define GL_PROVOKING_VERTEX 0x8E4F +#endif + +#ifndef GL_ARB_seamless_cube_map +#define GL_TEXTURE_CUBE_MAP_SEAMLESS 0x884F +#endif + +#ifndef GL_ARB_sync +#define GL_MAX_SERVER_WAIT_TIMEOUT 0x9111 +#define GL_OBJECT_TYPE 0x9112 +#define GL_SYNC_CONDITION 0x9113 +#define GL_SYNC_STATUS 0x9114 +#define GL_SYNC_FLAGS 0x9115 +#define GL_SYNC_FENCE 0x9116 +#define GL_SYNC_GPU_COMMANDS_COMPLETE 0x9117 +#define GL_UNSIGNALED 0x9118 +#define GL_SIGNALED 0x9119 +#define GL_ALREADY_SIGNALED 0x911A +#define GL_TIMEOUT_EXPIRED 0x911B +#define GL_CONDITION_SATISFIED 0x911C +#define GL_WAIT_FAILED 0x911D +#define GL_SYNC_FLUSH_COMMANDS_BIT 0x00000001 +#define GL_TIMEOUT_IGNORED 0xFFFFFFFFFFFFFFFFull +#endif + +#ifndef GL_ARB_texture_multisample +#define GL_SAMPLE_POSITION 0x8E50 +#define GL_SAMPLE_MASK 0x8E51 +#define GL_SAMPLE_MASK_VALUE 0x8E52 +#define GL_MAX_SAMPLE_MASK_WORDS 0x8E59 +#define GL_TEXTURE_2D_MULTISAMPLE 0x9100 +#define GL_PROXY_TEXTURE_2D_MULTISAMPLE 0x9101 +#define GL_TEXTURE_2D_MULTISAMPLE_ARRAY 0x9102 +#define GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY 0x9103 +#define GL_TEXTURE_BINDING_2D_MULTISAMPLE 0x9104 +#define GL_TEXTURE_BINDING_2D_MULTISAMPLE_ARRAY 0x9105 +#define GL_TEXTURE_SAMPLES 0x9106 +#define GL_TEXTURE_FIXED_SAMPLE_LOCATIONS 0x9107 +#define GL_SAMPLER_2D_MULTISAMPLE 0x9108 +#define GL_INT_SAMPLER_2D_MULTISAMPLE 0x9109 +#define GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE 0x910A +#define GL_SAMPLER_2D_MULTISAMPLE_ARRAY 0x910B +#define GL_INT_SAMPLER_2D_MULTISAMPLE_ARRAY 0x910C +#define GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE_ARRAY 0x910D +#define GL_MAX_COLOR_TEXTURE_SAMPLES 0x910E +#define GL_MAX_DEPTH_TEXTURE_SAMPLES 0x910F +#define GL_MAX_INTEGER_SAMPLES 0x9110 +#endif + +#ifndef GL_ARB_vertex_array_bgra +/* reuse GL_BGRA */ +#endif + +#ifndef GL_ARB_draw_buffers_blend +#endif + +#ifndef GL_ARB_sample_shading +#define GL_SAMPLE_SHADING_ARB 0x8C36 +#define GL_MIN_SAMPLE_SHADING_VALUE_ARB 0x8C37 +#endif + +#ifndef GL_ARB_texture_cube_map_array +#define GL_TEXTURE_CUBE_MAP_ARRAY_ARB 0x9009 +#define GL_TEXTURE_BINDING_CUBE_MAP_ARRAY_ARB 0x900A +#define GL_PROXY_TEXTURE_CUBE_MAP_ARRAY_ARB 0x900B +#define GL_SAMPLER_CUBE_MAP_ARRAY_ARB 0x900C +#define GL_SAMPLER_CUBE_MAP_ARRAY_SHADOW_ARB 0x900D +#define GL_INT_SAMPLER_CUBE_MAP_ARRAY_ARB 0x900E +#define GL_UNSIGNED_INT_SAMPLER_CUBE_MAP_ARRAY_ARB 0x900F +#endif + +#ifndef GL_ARB_texture_gather +#define GL_MIN_PROGRAM_TEXTURE_GATHER_OFFSET_ARB 0x8E5E +#define GL_MAX_PROGRAM_TEXTURE_GATHER_OFFSET_ARB 0x8E5F +#define GL_MAX_PROGRAM_TEXTURE_GATHER_COMPONENTS_ARB 0x8F9F +#endif + +#ifndef GL_ARB_texture_query_lod +#endif + +#ifndef GL_ARB_shading_language_include +#define GL_SHADER_INCLUDE_ARB 0x8DAE +#define GL_NAMED_STRING_LENGTH_ARB 0x8DE9 +#define GL_NAMED_STRING_TYPE_ARB 0x8DEA +#endif + +#ifndef GL_ARB_texture_compression_bptc +#define GL_COMPRESSED_RGBA_BPTC_UNORM_ARB 0x8E8C +#define GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM_ARB 0x8E8D +#define GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_ARB 0x8E8E +#define GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_ARB 0x8E8F +#endif + +#ifndef GL_ARB_blend_func_extended +#define GL_SRC1_COLOR 0x88F9 +/* reuse GL_SRC1_ALPHA */ +#define GL_ONE_MINUS_SRC1_COLOR 0x88FA +#define GL_ONE_MINUS_SRC1_ALPHA 0x88FB +#define GL_MAX_DUAL_SOURCE_DRAW_BUFFERS 0x88FC +#endif + +#ifndef GL_ARB_explicit_attrib_location +#endif + +#ifndef GL_ARB_occlusion_query2 +#define GL_ANY_SAMPLES_PASSED 0x8C2F +#endif + +#ifndef GL_ARB_sampler_objects +#define GL_SAMPLER_BINDING 0x8919 +#endif + +#ifndef GL_ARB_shader_bit_encoding +#endif + +#ifndef GL_ARB_texture_rgb10_a2ui +#define GL_RGB10_A2UI 0x906F +#endif + +#ifndef GL_ARB_texture_swizzle +#define GL_TEXTURE_SWIZZLE_R 0x8E42 +#define GL_TEXTURE_SWIZZLE_G 0x8E43 +#define GL_TEXTURE_SWIZZLE_B 0x8E44 +#define GL_TEXTURE_SWIZZLE_A 0x8E45 +#define GL_TEXTURE_SWIZZLE_RGBA 0x8E46 +#endif + +#ifndef GL_ARB_timer_query +#define GL_TIME_ELAPSED 0x88BF +#define GL_TIMESTAMP 0x8E28 +#endif + +#ifndef GL_ARB_vertex_type_2_10_10_10_rev +/* reuse GL_UNSIGNED_INT_2_10_10_10_REV */ +#define GL_INT_2_10_10_10_REV 0x8D9F +#endif + +#ifndef GL_ARB_draw_indirect +#define GL_DRAW_INDIRECT_BUFFER 0x8F3F +#define GL_DRAW_INDIRECT_BUFFER_BINDING 0x8F43 +#endif + +#ifndef GL_ARB_gpu_shader5 +#define GL_GEOMETRY_SHADER_INVOCATIONS 0x887F +#define GL_MAX_GEOMETRY_SHADER_INVOCATIONS 0x8E5A +#define GL_MIN_FRAGMENT_INTERPOLATION_OFFSET 0x8E5B +#define GL_MAX_FRAGMENT_INTERPOLATION_OFFSET 0x8E5C +#define GL_FRAGMENT_INTERPOLATION_OFFSET_BITS 0x8E5D +/* reuse GL_MAX_VERTEX_STREAMS */ +#endif + +#ifndef GL_ARB_gpu_shader_fp64 +/* reuse GL_DOUBLE */ +#define GL_DOUBLE_VEC2 0x8FFC +#define GL_DOUBLE_VEC3 0x8FFD +#define GL_DOUBLE_VEC4 0x8FFE +#define GL_DOUBLE_MAT2 0x8F46 +#define GL_DOUBLE_MAT3 0x8F47 +#define GL_DOUBLE_MAT4 0x8F48 +#define GL_DOUBLE_MAT2x3 0x8F49 +#define GL_DOUBLE_MAT2x4 0x8F4A +#define GL_DOUBLE_MAT3x2 0x8F4B +#define GL_DOUBLE_MAT3x4 0x8F4C +#define GL_DOUBLE_MAT4x2 0x8F4D +#define GL_DOUBLE_MAT4x3 0x8F4E +#endif + +#ifndef GL_ARB_shader_subroutine +#define GL_ACTIVE_SUBROUTINES 0x8DE5 +#define GL_ACTIVE_SUBROUTINE_UNIFORMS 0x8DE6 +#define GL_ACTIVE_SUBROUTINE_UNIFORM_LOCATIONS 0x8E47 +#define GL_ACTIVE_SUBROUTINE_MAX_LENGTH 0x8E48 +#define GL_ACTIVE_SUBROUTINE_UNIFORM_MAX_LENGTH 0x8E49 +#define GL_MAX_SUBROUTINES 0x8DE7 +#define GL_MAX_SUBROUTINE_UNIFORM_LOCATIONS 0x8DE8 +#define GL_NUM_COMPATIBLE_SUBROUTINES 0x8E4A +#define GL_COMPATIBLE_SUBROUTINES 0x8E4B +/* reuse GL_UNIFORM_SIZE */ +/* reuse GL_UNIFORM_NAME_LENGTH */ +#endif + +#ifndef GL_ARB_tessellation_shader +#define GL_PATCHES 0x000E +#define GL_PATCH_VERTICES 0x8E72 +#define GL_PATCH_DEFAULT_INNER_LEVEL 0x8E73 +#define GL_PATCH_DEFAULT_OUTER_LEVEL 0x8E74 +#define GL_TESS_CONTROL_OUTPUT_VERTICES 0x8E75 +#define GL_TESS_GEN_MODE 0x8E76 +#define GL_TESS_GEN_SPACING 0x8E77 +#define GL_TESS_GEN_VERTEX_ORDER 0x8E78 +#define GL_TESS_GEN_POINT_MODE 0x8E79 +/* reuse GL_TRIANGLES */ +/* reuse GL_QUADS */ +#define GL_ISOLINES 0x8E7A +/* reuse GL_EQUAL */ +#define GL_FRACTIONAL_ODD 0x8E7B +#define GL_FRACTIONAL_EVEN 0x8E7C +/* reuse GL_CCW */ +/* reuse GL_CW */ +#define GL_MAX_PATCH_VERTICES 0x8E7D +#define GL_MAX_TESS_GEN_LEVEL 0x8E7E +#define GL_MAX_TESS_CONTROL_UNIFORM_COMPONENTS 0x8E7F +#define GL_MAX_TESS_EVALUATION_UNIFORM_COMPONENTS 0x8E80 +#define GL_MAX_TESS_CONTROL_TEXTURE_IMAGE_UNITS 0x8E81 +#define GL_MAX_TESS_EVALUATION_TEXTURE_IMAGE_UNITS 0x8E82 +#define GL_MAX_TESS_CONTROL_OUTPUT_COMPONENTS 0x8E83 +#define GL_MAX_TESS_PATCH_COMPONENTS 0x8E84 +#define GL_MAX_TESS_CONTROL_TOTAL_OUTPUT_COMPONENTS 0x8E85 +#define GL_MAX_TESS_EVALUATION_OUTPUT_COMPONENTS 0x8E86 +#define GL_MAX_TESS_CONTROL_UNIFORM_BLOCKS 0x8E89 +#define GL_MAX_TESS_EVALUATION_UNIFORM_BLOCKS 0x8E8A +#define GL_MAX_TESS_CONTROL_INPUT_COMPONENTS 0x886C +#define GL_MAX_TESS_EVALUATION_INPUT_COMPONENTS 0x886D +#define GL_MAX_COMBINED_TESS_CONTROL_UNIFORM_COMPONENTS 0x8E1E +#define GL_MAX_COMBINED_TESS_EVALUATION_UNIFORM_COMPONENTS 0x8E1F +#define GL_UNIFORM_BLOCK_REFERENCED_BY_TESS_CONTROL_SHADER 0x84F0 +#define GL_UNIFORM_BLOCK_REFERENCED_BY_TESS_EVALUATION_SHADER 0x84F1 +#define GL_TESS_EVALUATION_SHADER 0x8E87 +#define GL_TESS_CONTROL_SHADER 0x8E88 +#endif + +#ifndef GL_ARB_texture_buffer_object_rgb32 +/* reuse GL_RGB32F */ +/* reuse GL_RGB32UI */ +/* reuse GL_RGB32I */ +#endif + +#ifndef GL_ARB_transform_feedback2 +#define GL_TRANSFORM_FEEDBACK 0x8E22 +#define GL_TRANSFORM_FEEDBACK_PAUSED 0x8E23 +#define GL_TRANSFORM_FEEDBACK_BUFFER_PAUSED GL_TRANSFORM_FEEDBACK_PAUSED +#define GL_TRANSFORM_FEEDBACK_ACTIVE 0x8E24 +#define GL_TRANSFORM_FEEDBACK_BUFFER_ACTIVE GL_TRANSFORM_FEEDBACK_ACTIVE +#define GL_TRANSFORM_FEEDBACK_BINDING 0x8E25 +#endif + +#ifndef GL_ARB_transform_feedback3 +#define GL_MAX_TRANSFORM_FEEDBACK_BUFFERS 0x8E70 +#define GL_MAX_VERTEX_STREAMS 0x8E71 +#endif + +#ifndef GL_ARB_ES2_compatibility +#define GL_FIXED 0x140C +#define GL_IMPLEMENTATION_COLOR_READ_TYPE 0x8B9A +#define GL_IMPLEMENTATION_COLOR_READ_FORMAT 0x8B9B +#define GL_LOW_FLOAT 0x8DF0 +#define GL_MEDIUM_FLOAT 0x8DF1 +#define GL_HIGH_FLOAT 0x8DF2 +#define GL_LOW_INT 0x8DF3 +#define GL_MEDIUM_INT 0x8DF4 +#define GL_HIGH_INT 0x8DF5 +#define GL_SHADER_COMPILER 0x8DFA +#define GL_SHADER_BINARY_FORMATS 0x8DF8 +#define GL_NUM_SHADER_BINARY_FORMATS 0x8DF9 +#define GL_MAX_VERTEX_UNIFORM_VECTORS 0x8DFB +#define GL_MAX_VARYING_VECTORS 0x8DFC +#define GL_MAX_FRAGMENT_UNIFORM_VECTORS 0x8DFD +#define GL_RGB565 0x8D62 +#endif + +#ifndef GL_ARB_get_program_binary +#define GL_PROGRAM_BINARY_RETRIEVABLE_HINT 0x8257 +#define GL_PROGRAM_BINARY_LENGTH 0x8741 +#define GL_NUM_PROGRAM_BINARY_FORMATS 0x87FE +#define GL_PROGRAM_BINARY_FORMATS 0x87FF +#endif + +#ifndef GL_ARB_separate_shader_objects +#define GL_VERTEX_SHADER_BIT 0x00000001 +#define GL_FRAGMENT_SHADER_BIT 0x00000002 +#define GL_GEOMETRY_SHADER_BIT 0x00000004 +#define GL_TESS_CONTROL_SHADER_BIT 0x00000008 +#define GL_TESS_EVALUATION_SHADER_BIT 0x00000010 +#define GL_ALL_SHADER_BITS 0xFFFFFFFF +#define GL_PROGRAM_SEPARABLE 0x8258 +#define GL_ACTIVE_PROGRAM 0x8259 +#define GL_PROGRAM_PIPELINE_BINDING 0x825A +#endif + +#ifndef GL_ARB_shader_precision +#endif + +#ifndef GL_ARB_vertex_attrib_64bit +/* reuse GL_RGB32I */ +/* reuse GL_DOUBLE_VEC2 */ +/* reuse GL_DOUBLE_VEC3 */ +/* reuse GL_DOUBLE_VEC4 */ +/* reuse GL_DOUBLE_MAT2 */ +/* reuse GL_DOUBLE_MAT3 */ +/* reuse GL_DOUBLE_MAT4 */ +/* reuse GL_DOUBLE_MAT2x3 */ +/* reuse GL_DOUBLE_MAT2x4 */ +/* reuse GL_DOUBLE_MAT3x2 */ +/* reuse GL_DOUBLE_MAT3x4 */ +/* reuse GL_DOUBLE_MAT4x2 */ +/* reuse GL_DOUBLE_MAT4x3 */ +#endif + +#ifndef GL_ARB_viewport_array +/* reuse GL_SCISSOR_BOX */ +/* reuse GL_VIEWPORT */ +/* reuse GL_DEPTH_RANGE */ +/* reuse GL_SCISSOR_TEST */ +#define GL_MAX_VIEWPORTS 0x825B +#define GL_VIEWPORT_SUBPIXEL_BITS 0x825C +#define GL_VIEWPORT_BOUNDS_RANGE 0x825D +#define GL_LAYER_PROVOKING_VERTEX 0x825E +#define GL_VIEWPORT_INDEX_PROVOKING_VERTEX 0x825F +#define GL_UNDEFINED_VERTEX 0x8260 +/* reuse GL_FIRST_VERTEX_CONVENTION */ +/* reuse GL_LAST_VERTEX_CONVENTION */ +/* reuse GL_PROVOKING_VERTEX */ +#endif + +#ifndef GL_ARB_cl_event +#define GL_SYNC_CL_EVENT_ARB 0x8240 +#define GL_SYNC_CL_EVENT_COMPLETE_ARB 0x8241 +#endif + +#ifndef GL_ARB_debug_output +#define GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB 0x8242 +#define GL_DEBUG_NEXT_LOGGED_MESSAGE_LENGTH_ARB 0x8243 +#define GL_DEBUG_CALLBACK_FUNCTION_ARB 0x8244 +#define GL_DEBUG_CALLBACK_USER_PARAM_ARB 0x8245 +#define GL_DEBUG_SOURCE_API_ARB 0x8246 +#define GL_DEBUG_SOURCE_WINDOW_SYSTEM_ARB 0x8247 +#define GL_DEBUG_SOURCE_SHADER_COMPILER_ARB 0x8248 +#define GL_DEBUG_SOURCE_THIRD_PARTY_ARB 0x8249 +#define GL_DEBUG_SOURCE_APPLICATION_ARB 0x824A +#define GL_DEBUG_SOURCE_OTHER_ARB 0x824B +#define GL_DEBUG_TYPE_ERROR_ARB 0x824C +#define GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR_ARB 0x824D +#define GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR_ARB 0x824E +#define GL_DEBUG_TYPE_PORTABILITY_ARB 0x824F +#define GL_DEBUG_TYPE_PERFORMANCE_ARB 0x8250 +#define GL_DEBUG_TYPE_OTHER_ARB 0x8251 +#define GL_MAX_DEBUG_MESSAGE_LENGTH_ARB 0x9143 +#define GL_MAX_DEBUG_LOGGED_MESSAGES_ARB 0x9144 +#define GL_DEBUG_LOGGED_MESSAGES_ARB 0x9145 +#define GL_DEBUG_SEVERITY_HIGH_ARB 0x9146 +#define GL_DEBUG_SEVERITY_MEDIUM_ARB 0x9147 +#define GL_DEBUG_SEVERITY_LOW_ARB 0x9148 +#endif + +#ifndef GL_ARB_robustness +/* reuse GL_NO_ERROR */ +#define GL_CONTEXT_FLAG_ROBUST_ACCESS_BIT_ARB 0x00000004 +#define GL_LOSE_CONTEXT_ON_RESET_ARB 0x8252 +#define GL_GUILTY_CONTEXT_RESET_ARB 0x8253 +#define GL_INNOCENT_CONTEXT_RESET_ARB 0x8254 +#define GL_UNKNOWN_CONTEXT_RESET_ARB 0x8255 +#define GL_RESET_NOTIFICATION_STRATEGY_ARB 0x8256 +#define GL_NO_RESET_NOTIFICATION_ARB 0x8261 +#endif + +#ifndef GL_ARB_shader_stencil_export +#endif + +#ifndef GL_ARB_base_instance +#endif + +#ifndef GL_ARB_shading_language_420pack +#endif + +#ifndef GL_ARB_transform_feedback_instanced +#endif + +#ifndef GL_ARB_compressed_texture_pixel_storage +#define GL_UNPACK_COMPRESSED_BLOCK_WIDTH 0x9127 +#define GL_UNPACK_COMPRESSED_BLOCK_HEIGHT 0x9128 +#define GL_UNPACK_COMPRESSED_BLOCK_DEPTH 0x9129 +#define GL_UNPACK_COMPRESSED_BLOCK_SIZE 0x912A +#define GL_PACK_COMPRESSED_BLOCK_WIDTH 0x912B +#define GL_PACK_COMPRESSED_BLOCK_HEIGHT 0x912C +#define GL_PACK_COMPRESSED_BLOCK_DEPTH 0x912D +#define GL_PACK_COMPRESSED_BLOCK_SIZE 0x912E +#endif + +#ifndef GL_ARB_conservative_depth +#endif + +#ifndef GL_ARB_internalformat_query +#define GL_NUM_SAMPLE_COUNTS 0x9380 +#endif + +#ifndef GL_ARB_map_buffer_alignment +#define GL_MIN_MAP_BUFFER_ALIGNMENT 0x90BC +#endif + +#ifndef GL_ARB_shader_atomic_counters +#define GL_ATOMIC_COUNTER_BUFFER 0x92C0 +#define GL_ATOMIC_COUNTER_BUFFER_BINDING 0x92C1 +#define GL_ATOMIC_COUNTER_BUFFER_START 0x92C2 +#define GL_ATOMIC_COUNTER_BUFFER_SIZE 0x92C3 +#define GL_ATOMIC_COUNTER_BUFFER_DATA_SIZE 0x92C4 +#define GL_ATOMIC_COUNTER_BUFFER_ACTIVE_ATOMIC_COUNTERS 0x92C5 +#define GL_ATOMIC_COUNTER_BUFFER_ACTIVE_ATOMIC_COUNTER_INDICES 0x92C6 +#define GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_VERTEX_SHADER 0x92C7 +#define GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_TESS_CONTROL_SHADER 0x92C8 +#define GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_TESS_EVALUATION_SHADER 0x92C9 +#define GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_GEOMETRY_SHADER 0x92CA +#define GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_FRAGMENT_SHADER 0x92CB +#define GL_MAX_VERTEX_ATOMIC_COUNTER_BUFFERS 0x92CC +#define GL_MAX_TESS_CONTROL_ATOMIC_COUNTER_BUFFERS 0x92CD +#define GL_MAX_TESS_EVALUATION_ATOMIC_COUNTER_BUFFERS 0x92CE +#define GL_MAX_GEOMETRY_ATOMIC_COUNTER_BUFFERS 0x92CF +#define GL_MAX_FRAGMENT_ATOMIC_COUNTER_BUFFERS 0x92D0 +#define GL_MAX_COMBINED_ATOMIC_COUNTER_BUFFERS 0x92D1 +#define GL_MAX_VERTEX_ATOMIC_COUNTERS 0x92D2 +#define GL_MAX_TESS_CONTROL_ATOMIC_COUNTERS 0x92D3 +#define GL_MAX_TESS_EVALUATION_ATOMIC_COUNTERS 0x92D4 +#define GL_MAX_GEOMETRY_ATOMIC_COUNTERS 0x92D5 +#define GL_MAX_FRAGMENT_ATOMIC_COUNTERS 0x92D6 +#define GL_MAX_COMBINED_ATOMIC_COUNTERS 0x92D7 +#define GL_MAX_ATOMIC_COUNTER_BUFFER_SIZE 0x92D8 +#define GL_MAX_ATOMIC_COUNTER_BUFFER_BINDINGS 0x92DC +#define GL_ACTIVE_ATOMIC_COUNTER_BUFFERS 0x92D9 +#define GL_UNIFORM_ATOMIC_COUNTER_BUFFER_INDEX 0x92DA +#define GL_UNSIGNED_INT_ATOMIC_COUNTER 0x92DB +#endif + +#ifndef GL_ARB_shader_image_load_store +#define GL_VERTEX_ATTRIB_ARRAY_BARRIER_BIT 0x00000001 +#define GL_ELEMENT_ARRAY_BARRIER_BIT 0x00000002 +#define GL_UNIFORM_BARRIER_BIT 0x00000004 +#define GL_TEXTURE_FETCH_BARRIER_BIT 0x00000008 +#define GL_SHADER_IMAGE_ACCESS_BARRIER_BIT 0x00000020 +#define GL_COMMAND_BARRIER_BIT 0x00000040 +#define GL_PIXEL_BUFFER_BARRIER_BIT 0x00000080 +#define GL_TEXTURE_UPDATE_BARRIER_BIT 0x00000100 +#define GL_BUFFER_UPDATE_BARRIER_BIT 0x00000200 +#define GL_FRAMEBUFFER_BARRIER_BIT 0x00000400 +#define GL_TRANSFORM_FEEDBACK_BARRIER_BIT 0x00000800 +#define GL_ATOMIC_COUNTER_BARRIER_BIT 0x00001000 +#define GL_ALL_BARRIER_BITS 0xFFFFFFFF +#define GL_MAX_IMAGE_UNITS 0x8F38 +#define GL_MAX_COMBINED_IMAGE_UNITS_AND_FRAGMENT_OUTPUTS 0x8F39 +#define GL_IMAGE_BINDING_NAME 0x8F3A +#define GL_IMAGE_BINDING_LEVEL 0x8F3B +#define GL_IMAGE_BINDING_LAYERED 0x8F3C +#define GL_IMAGE_BINDING_LAYER 0x8F3D +#define GL_IMAGE_BINDING_ACCESS 0x8F3E +#define GL_IMAGE_1D 0x904C +#define GL_IMAGE_2D 0x904D +#define GL_IMAGE_3D 0x904E +#define GL_IMAGE_2D_RECT 0x904F +#define GL_IMAGE_CUBE 0x9050 +#define GL_IMAGE_BUFFER 0x9051 +#define GL_IMAGE_1D_ARRAY 0x9052 +#define GL_IMAGE_2D_ARRAY 0x9053 +#define GL_IMAGE_CUBE_MAP_ARRAY 0x9054 +#define GL_IMAGE_2D_MULTISAMPLE 0x9055 +#define GL_IMAGE_2D_MULTISAMPLE_ARRAY 0x9056 +#define GL_INT_IMAGE_1D 0x9057 +#define GL_INT_IMAGE_2D 0x9058 +#define GL_INT_IMAGE_3D 0x9059 +#define GL_INT_IMAGE_2D_RECT 0x905A +#define GL_INT_IMAGE_CUBE 0x905B +#define GL_INT_IMAGE_BUFFER 0x905C +#define GL_INT_IMAGE_1D_ARRAY 0x905D +#define GL_INT_IMAGE_2D_ARRAY 0x905E +#define GL_INT_IMAGE_CUBE_MAP_ARRAY 0x905F +#define GL_INT_IMAGE_2D_MULTISAMPLE 0x9060 +#define GL_INT_IMAGE_2D_MULTISAMPLE_ARRAY 0x9061 +#define GL_UNSIGNED_INT_IMAGE_1D 0x9062 +#define GL_UNSIGNED_INT_IMAGE_2D 0x9063 +#define GL_UNSIGNED_INT_IMAGE_3D 0x9064 +#define GL_UNSIGNED_INT_IMAGE_2D_RECT 0x9065 +#define GL_UNSIGNED_INT_IMAGE_CUBE 0x9066 +#define GL_UNSIGNED_INT_IMAGE_BUFFER 0x9067 +#define GL_UNSIGNED_INT_IMAGE_1D_ARRAY 0x9068 +#define GL_UNSIGNED_INT_IMAGE_2D_ARRAY 0x9069 +#define GL_UNSIGNED_INT_IMAGE_CUBE_MAP_ARRAY 0x906A +#define GL_UNSIGNED_INT_IMAGE_2D_MULTISAMPLE 0x906B +#define GL_UNSIGNED_INT_IMAGE_2D_MULTISAMPLE_ARRAY 0x906C +#define GL_MAX_IMAGE_SAMPLES 0x906D +#define GL_IMAGE_BINDING_FORMAT 0x906E +#define GL_IMAGE_FORMAT_COMPATIBILITY_TYPE 0x90C7 +#define GL_IMAGE_FORMAT_COMPATIBILITY_BY_SIZE 0x90C8 +#define GL_IMAGE_FORMAT_COMPATIBILITY_BY_CLASS 0x90C9 +#define GL_MAX_VERTEX_IMAGE_UNIFORMS 0x90CA +#define GL_MAX_TESS_CONTROL_IMAGE_UNIFORMS 0x90CB +#define GL_MAX_TESS_EVALUATION_IMAGE_UNIFORMS 0x90CC +#define GL_MAX_GEOMETRY_IMAGE_UNIFORMS 0x90CD +#define GL_MAX_FRAGMENT_IMAGE_UNIFORMS 0x90CE +#define GL_MAX_COMBINED_IMAGE_UNIFORMS 0x90CF +#endif + +#ifndef GL_ARB_shading_language_packing +#endif + +#ifndef GL_ARB_texture_storage +#define GL_TEXTURE_IMMUTABLE_FORMAT 0x912F +#endif + +#ifndef GL_KHR_texture_compression_astc_ldr +#define GL_COMPRESSED_RGBA_ASTC_4x4_KHR 0x93B0 +#define GL_COMPRESSED_RGBA_ASTC_5x4_KHR 0x93B1 +#define GL_COMPRESSED_RGBA_ASTC_5x5_KHR 0x93B2 +#define GL_COMPRESSED_RGBA_ASTC_6x5_KHR 0x93B3 +#define GL_COMPRESSED_RGBA_ASTC_6x6_KHR 0x93B4 +#define GL_COMPRESSED_RGBA_ASTC_8x5_KHR 0x93B5 +#define GL_COMPRESSED_RGBA_ASTC_8x6_KHR 0x93B6 +#define GL_COMPRESSED_RGBA_ASTC_8x8_KHR 0x93B7 +#define GL_COMPRESSED_RGBA_ASTC_10x5_KHR 0x93B8 +#define GL_COMPRESSED_RGBA_ASTC_10x6_KHR 0x93B9 +#define GL_COMPRESSED_RGBA_ASTC_10x8_KHR 0x93BA +#define GL_COMPRESSED_RGBA_ASTC_10x10_KHR 0x93BB +#define GL_COMPRESSED_RGBA_ASTC_12x10_KHR 0x93BC +#define GL_COMPRESSED_RGBA_ASTC_12x12_KHR 0x93BD +#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR 0x93D0 +#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR 0x93D1 +#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR 0x93D2 +#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR 0x93D3 +#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR 0x93D4 +#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR 0x93D5 +#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR 0x93D6 +#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR 0x93D7 +#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR 0x93D8 +#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR 0x93D9 +#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR 0x93DA +#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR 0x93DB +#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR 0x93DC +#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR 0x93DD +#endif + +#ifndef GL_KHR_debug +#define GL_DEBUG_OUTPUT_SYNCHRONOUS 0x8242 +#define GL_DEBUG_NEXT_LOGGED_MESSAGE_LENGTH 0x8243 +#define GL_DEBUG_CALLBACK_FUNCTION 0x8244 +#define GL_DEBUG_CALLBACK_USER_PARAM 0x8245 +#define GL_DEBUG_SOURCE_API 0x8246 +#define GL_DEBUG_SOURCE_WINDOW_SYSTEM 0x8247 +#define GL_DEBUG_SOURCE_SHADER_COMPILER 0x8248 +#define GL_DEBUG_SOURCE_THIRD_PARTY 0x8249 +#define GL_DEBUG_SOURCE_APPLICATION 0x824A +#define GL_DEBUG_SOURCE_OTHER 0x824B +#define GL_DEBUG_TYPE_ERROR 0x824C +#define GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR 0x824D +#define GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR 0x824E +#define GL_DEBUG_TYPE_PORTABILITY 0x824F +#define GL_DEBUG_TYPE_PERFORMANCE 0x8250 +#define GL_DEBUG_TYPE_OTHER 0x8251 +#define GL_DEBUG_TYPE_MARKER 0x8268 +#define GL_DEBUG_TYPE_PUSH_GROUP 0x8269 +#define GL_DEBUG_TYPE_POP_GROUP 0x826A +#define GL_DEBUG_SEVERITY_NOTIFICATION 0x826B +#define GL_MAX_DEBUG_GROUP_STACK_DEPTH 0x826C +#define GL_DEBUG_GROUP_STACK_DEPTH 0x826D +#define GL_BUFFER 0x82E0 +#define GL_SHADER 0x82E1 +#define GL_PROGRAM 0x82E2 +#define GL_QUERY 0x82E3 +#define GL_PROGRAM_PIPELINE 0x82E4 +#define GL_SAMPLER 0x82E6 +#define GL_DISPLAY_LIST 0x82E7 +/* DISPLAY_LIST used in compatibility profile only */ +#define GL_MAX_LABEL_LENGTH 0x82E8 +#define GL_MAX_DEBUG_MESSAGE_LENGTH 0x9143 +#define GL_MAX_DEBUG_LOGGED_MESSAGES 0x9144 +#define GL_DEBUG_LOGGED_MESSAGES 0x9145 +#define GL_DEBUG_SEVERITY_HIGH 0x9146 +#define GL_DEBUG_SEVERITY_MEDIUM 0x9147 +#define GL_DEBUG_SEVERITY_LOW 0x9148 +#define GL_DEBUG_OUTPUT 0x92E0 +#define GL_CONTEXT_FLAG_DEBUG_BIT 0x00000002 +/* reuse GL_STACK_UNDERFLOW */ +/* reuse GL_STACK_OVERFLOW */ +#endif + +#ifndef GL_ARB_arrays_of_arrays +#endif + +#ifndef GL_ARB_clear_buffer_object +#endif + +#ifndef GL_ARB_compute_shader +#define GL_COMPUTE_SHADER 0x91B9 +#define GL_MAX_COMPUTE_UNIFORM_BLOCKS 0x91BB +#define GL_MAX_COMPUTE_TEXTURE_IMAGE_UNITS 0x91BC +#define GL_MAX_COMPUTE_IMAGE_UNIFORMS 0x91BD +#define GL_MAX_COMPUTE_SHARED_MEMORY_SIZE 0x8262 +#define GL_MAX_COMPUTE_UNIFORM_COMPONENTS 0x8263 +#define GL_MAX_COMPUTE_ATOMIC_COUNTER_BUFFERS 0x8264 +#define GL_MAX_COMPUTE_ATOMIC_COUNTERS 0x8265 +#define GL_MAX_COMBINED_COMPUTE_UNIFORM_COMPONENTS 0x8266 +#define GL_MAX_COMPUTE_LOCAL_INVOCATIONS 0x90EB +#define GL_MAX_COMPUTE_WORK_GROUP_COUNT 0x91BE +#define GL_MAX_COMPUTE_WORK_GROUP_SIZE 0x91BF +#define GL_COMPUTE_LOCAL_WORK_SIZE 0x8267 +#define GL_UNIFORM_BLOCK_REFERENCED_BY_COMPUTE_SHADER 0x90EC +#define GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_COMPUTE_SHADER 0x90ED +#define GL_DISPATCH_INDIRECT_BUFFER 0x90EE +#define GL_DISPATCH_INDIRECT_BUFFER_BINDING 0x90EF +#define GL_COMPUTE_SHADER_BIT 0x00000020 +#endif + +#ifndef GL_ARB_copy_image +#endif + +#ifndef GL_ARB_texture_view +#define GL_TEXTURE_VIEW_MIN_LEVEL 0x82DB +#define GL_TEXTURE_VIEW_NUM_LEVELS 0x82DC +#define GL_TEXTURE_VIEW_MIN_LAYER 0x82DD +#define GL_TEXTURE_VIEW_NUM_LAYERS 0x82DE +#define GL_TEXTURE_IMMUTABLE_LEVELS 0x82DF +#endif + +#ifndef GL_ARB_vertex_attrib_binding +#define GL_VERTEX_ATTRIB_BINDING 0x82D4 +#define GL_VERTEX_ATTRIB_RELATIVE_OFFSET 0x82D5 +#define GL_VERTEX_BINDING_DIVISOR 0x82D6 +#define GL_VERTEX_BINDING_OFFSET 0x82D7 +#define GL_VERTEX_BINDING_STRIDE 0x82D8 +#define GL_MAX_VERTEX_ATTRIB_RELATIVE_OFFSET 0x82D9 +#define GL_MAX_VERTEX_ATTRIB_BINDINGS 0x82DA +#endif + +#ifndef GL_ARB_robustness_isolation +#endif + +#ifndef GL_ARB_ES3_compatibility +#define GL_COMPRESSED_RGB8_ETC2 0x9274 +#define GL_COMPRESSED_SRGB8_ETC2 0x9275 +#define GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 0x9276 +#define GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2 0x9277 +#define GL_COMPRESSED_RGBA8_ETC2_EAC 0x9278 +#define GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC 0x9279 +#define GL_COMPRESSED_R11_EAC 0x9270 +#define GL_COMPRESSED_SIGNED_R11_EAC 0x9271 +#define GL_COMPRESSED_RG11_EAC 0x9272 +#define GL_COMPRESSED_SIGNED_RG11_EAC 0x9273 +#define GL_PRIMITIVE_RESTART_FIXED_INDEX 0x8D69 +#define GL_ANY_SAMPLES_PASSED_CONSERVATIVE 0x8D6A +#define GL_MAX_ELEMENT_INDEX 0x8D6B +#endif + +#ifndef GL_ARB_explicit_uniform_location +#define GL_MAX_UNIFORM_LOCATIONS 0x826E +#endif + +#ifndef GL_ARB_fragment_layer_viewport +#endif + +#ifndef GL_ARB_framebuffer_no_attachments +#define GL_FRAMEBUFFER_DEFAULT_WIDTH 0x9310 +#define GL_FRAMEBUFFER_DEFAULT_HEIGHT 0x9311 +#define GL_FRAMEBUFFER_DEFAULT_LAYERS 0x9312 +#define GL_FRAMEBUFFER_DEFAULT_SAMPLES 0x9313 +#define GL_FRAMEBUFFER_DEFAULT_FIXED_SAMPLE_LOCATIONS 0x9314 +#define GL_MAX_FRAMEBUFFER_WIDTH 0x9315 +#define GL_MAX_FRAMEBUFFER_HEIGHT 0x9316 +#define GL_MAX_FRAMEBUFFER_LAYERS 0x9317 +#define GL_MAX_FRAMEBUFFER_SAMPLES 0x9318 +#endif + +#ifndef GL_ARB_internalformat_query2 +/* reuse GL_IMAGE_FORMAT_COMPATIBILITY_TYPE */ +/* reuse GL_NUM_SAMPLE_COUNTS */ +/* reuse GL_RENDERBUFFER */ +/* reuse GL_SAMPLES */ +/* reuse GL_TEXTURE_1D */ +/* reuse GL_TEXTURE_1D_ARRAY */ +/* reuse GL_TEXTURE_2D */ +/* reuse GL_TEXTURE_2D_ARRAY */ +/* reuse GL_TEXTURE_3D */ +/* reuse GL_TEXTURE_CUBE_MAP */ +/* reuse GL_TEXTURE_CUBE_MAP_ARRAY */ +/* reuse GL_TEXTURE_RECTANGLE */ +/* reuse GL_TEXTURE_BUFFER */ +/* reuse GL_TEXTURE_2D_MULTISAMPLE */ +/* reuse GL_TEXTURE_2D_MULTISAMPLE_ARRAY */ +/* reuse GL_TEXTURE_COMPRESSED */ +#define GL_INTERNALFORMAT_SUPPORTED 0x826F +#define GL_INTERNALFORMAT_PREFERRED 0x8270 +#define GL_INTERNALFORMAT_RED_SIZE 0x8271 +#define GL_INTERNALFORMAT_GREEN_SIZE 0x8272 +#define GL_INTERNALFORMAT_BLUE_SIZE 0x8273 +#define GL_INTERNALFORMAT_ALPHA_SIZE 0x8274 +#define GL_INTERNALFORMAT_DEPTH_SIZE 0x8275 +#define GL_INTERNALFORMAT_STENCIL_SIZE 0x8276 +#define GL_INTERNALFORMAT_SHARED_SIZE 0x8277 +#define GL_INTERNALFORMAT_RED_TYPE 0x8278 +#define GL_INTERNALFORMAT_GREEN_TYPE 0x8279 +#define GL_INTERNALFORMAT_BLUE_TYPE 0x827A +#define GL_INTERNALFORMAT_ALPHA_TYPE 0x827B +#define GL_INTERNALFORMAT_DEPTH_TYPE 0x827C +#define GL_INTERNALFORMAT_STENCIL_TYPE 0x827D +#define GL_MAX_WIDTH 0x827E +#define GL_MAX_HEIGHT 0x827F +#define GL_MAX_DEPTH 0x8280 +#define GL_MAX_LAYERS 0x8281 +#define GL_MAX_COMBINED_DIMENSIONS 0x8282 +#define GL_COLOR_COMPONENTS 0x8283 +#define GL_DEPTH_COMPONENTS 0x8284 +#define GL_STENCIL_COMPONENTS 0x8285 +#define GL_COLOR_RENDERABLE 0x8286 +#define GL_DEPTH_RENDERABLE 0x8287 +#define GL_STENCIL_RENDERABLE 0x8288 +#define GL_FRAMEBUFFER_RENDERABLE 0x8289 +#define GL_FRAMEBUFFER_RENDERABLE_LAYERED 0x828A +#define GL_FRAMEBUFFER_BLEND 0x828B +#define GL_READ_PIXELS 0x828C +#define GL_READ_PIXELS_FORMAT 0x828D +#define GL_READ_PIXELS_TYPE 0x828E +#define GL_TEXTURE_IMAGE_FORMAT 0x828F +#define GL_TEXTURE_IMAGE_TYPE 0x8290 +#define GL_GET_TEXTURE_IMAGE_FORMAT 0x8291 +#define GL_GET_TEXTURE_IMAGE_TYPE 0x8292 +#define GL_MIPMAP 0x8293 +#define GL_MANUAL_GENERATE_MIPMAP 0x8294 +#define GL_AUTO_GENERATE_MIPMAP 0x8295 +#define GL_COLOR_ENCODING 0x8296 +#define GL_SRGB_READ 0x8297 +#define GL_SRGB_WRITE 0x8298 +#define GL_SRGB_DECODE_ARB 0x8299 +#define GL_FILTER 0x829A +#define GL_VERTEX_TEXTURE 0x829B +#define GL_TESS_CONTROL_TEXTURE 0x829C +#define GL_TESS_EVALUATION_TEXTURE 0x829D +#define GL_GEOMETRY_TEXTURE 0x829E +#define GL_FRAGMENT_TEXTURE 0x829F +#define GL_COMPUTE_TEXTURE 0x82A0 +#define GL_TEXTURE_SHADOW 0x82A1 +#define GL_TEXTURE_GATHER 0x82A2 +#define GL_TEXTURE_GATHER_SHADOW 0x82A3 +#define GL_SHADER_IMAGE_LOAD 0x82A4 +#define GL_SHADER_IMAGE_STORE 0x82A5 +#define GL_SHADER_IMAGE_ATOMIC 0x82A6 +#define GL_IMAGE_TEXEL_SIZE 0x82A7 +#define GL_IMAGE_COMPATIBILITY_CLASS 0x82A8 +#define GL_IMAGE_PIXEL_FORMAT 0x82A9 +#define GL_IMAGE_PIXEL_TYPE 0x82AA +#define GL_SIMULTANEOUS_TEXTURE_AND_DEPTH_TEST 0x82AC +#define GL_SIMULTANEOUS_TEXTURE_AND_STENCIL_TEST 0x82AD +#define GL_SIMULTANEOUS_TEXTURE_AND_DEPTH_WRITE 0x82AE +#define GL_SIMULTANEOUS_TEXTURE_AND_STENCIL_WRITE 0x82AF +#define GL_TEXTURE_COMPRESSED_BLOCK_WIDTH 0x82B1 +#define GL_TEXTURE_COMPRESSED_BLOCK_HEIGHT 0x82B2 +#define GL_TEXTURE_COMPRESSED_BLOCK_SIZE 0x82B3 +#define GL_CLEAR_BUFFER 0x82B4 +#define GL_TEXTURE_VIEW 0x82B5 +#define GL_VIEW_COMPATIBILITY_CLASS 0x82B6 +#define GL_FULL_SUPPORT 0x82B7 +#define GL_CAVEAT_SUPPORT 0x82B8 +#define GL_IMAGE_CLASS_4_X_32 0x82B9 +#define GL_IMAGE_CLASS_2_X_32 0x82BA +#define GL_IMAGE_CLASS_1_X_32 0x82BB +#define GL_IMAGE_CLASS_4_X_16 0x82BC +#define GL_IMAGE_CLASS_2_X_16 0x82BD +#define GL_IMAGE_CLASS_1_X_16 0x82BE +#define GL_IMAGE_CLASS_4_X_8 0x82BF +#define GL_IMAGE_CLASS_2_X_8 0x82C0 +#define GL_IMAGE_CLASS_1_X_8 0x82C1 +#define GL_IMAGE_CLASS_11_11_10 0x82C2 +#define GL_IMAGE_CLASS_10_10_10_2 0x82C3 +#define GL_VIEW_CLASS_128_BITS 0x82C4 +#define GL_VIEW_CLASS_96_BITS 0x82C5 +#define GL_VIEW_CLASS_64_BITS 0x82C6 +#define GL_VIEW_CLASS_48_BITS 0x82C7 +#define GL_VIEW_CLASS_32_BITS 0x82C8 +#define GL_VIEW_CLASS_24_BITS 0x82C9 +#define GL_VIEW_CLASS_16_BITS 0x82CA +#define GL_VIEW_CLASS_8_BITS 0x82CB +#define GL_VIEW_CLASS_S3TC_DXT1_RGB 0x82CC +#define GL_VIEW_CLASS_S3TC_DXT1_RGBA 0x82CD +#define GL_VIEW_CLASS_S3TC_DXT3_RGBA 0x82CE +#define GL_VIEW_CLASS_S3TC_DXT5_RGBA 0x82CF +#define GL_VIEW_CLASS_RGTC1_RED 0x82D0 +#define GL_VIEW_CLASS_RGTC2_RG 0x82D1 +#define GL_VIEW_CLASS_BPTC_UNORM 0x82D2 +#define GL_VIEW_CLASS_BPTC_FLOAT 0x82D3 +#endif + +#ifndef GL_ARB_invalidate_subdata +#endif + +#ifndef GL_ARB_multi_draw_indirect +#endif + +#ifndef GL_ARB_program_interface_query +#define GL_UNIFORM 0x92E1 +#define GL_UNIFORM_BLOCK 0x92E2 +#define GL_PROGRAM_INPUT 0x92E3 +#define GL_PROGRAM_OUTPUT 0x92E4 +#define GL_BUFFER_VARIABLE 0x92E5 +#define GL_SHADER_STORAGE_BLOCK 0x92E6 +/* reuse GL_ATOMIC_COUNTER_BUFFER */ +#define GL_VERTEX_SUBROUTINE 0x92E8 +#define GL_TESS_CONTROL_SUBROUTINE 0x92E9 +#define GL_TESS_EVALUATION_SUBROUTINE 0x92EA +#define GL_GEOMETRY_SUBROUTINE 0x92EB +#define GL_FRAGMENT_SUBROUTINE 0x92EC +#define GL_COMPUTE_SUBROUTINE 0x92ED +#define GL_VERTEX_SUBROUTINE_UNIFORM 0x92EE +#define GL_TESS_CONTROL_SUBROUTINE_UNIFORM 0x92EF +#define GL_TESS_EVALUATION_SUBROUTINE_UNIFORM 0x92F0 +#define GL_GEOMETRY_SUBROUTINE_UNIFORM 0x92F1 +#define GL_FRAGMENT_SUBROUTINE_UNIFORM 0x92F2 +#define GL_COMPUTE_SUBROUTINE_UNIFORM 0x92F3 +#define GL_TRANSFORM_FEEDBACK_VARYING 0x92F4 +#define GL_ACTIVE_RESOURCES 0x92F5 +#define GL_MAX_NAME_LENGTH 0x92F6 +#define GL_MAX_NUM_ACTIVE_VARIABLES 0x92F7 +#define GL_MAX_NUM_COMPATIBLE_SUBROUTINES 0x92F8 +#define GL_NAME_LENGTH 0x92F9 +#define GL_TYPE 0x92FA +#define GL_ARRAY_SIZE 0x92FB +#define GL_OFFSET 0x92FC +#define GL_BLOCK_INDEX 0x92FD +#define GL_ARRAY_STRIDE 0x92FE +#define GL_MATRIX_STRIDE 0x92FF +#define GL_IS_ROW_MAJOR 0x9300 +#define GL_ATOMIC_COUNTER_BUFFER_INDEX 0x9301 +#define GL_BUFFER_BINDING 0x9302 +#define GL_BUFFER_DATA_SIZE 0x9303 +#define GL_NUM_ACTIVE_VARIABLES 0x9304 +#define GL_ACTIVE_VARIABLES 0x9305 +#define GL_REFERENCED_BY_VERTEX_SHADER 0x9306 +#define GL_REFERENCED_BY_TESS_CONTROL_SHADER 0x9307 +#define GL_REFERENCED_BY_TESS_EVALUATION_SHADER 0x9308 +#define GL_REFERENCED_BY_GEOMETRY_SHADER 0x9309 +#define GL_REFERENCED_BY_FRAGMENT_SHADER 0x930A +#define GL_REFERENCED_BY_COMPUTE_SHADER 0x930B +#define GL_TOP_LEVEL_ARRAY_SIZE 0x930C +#define GL_TOP_LEVEL_ARRAY_STRIDE 0x930D +#define GL_LOCATION 0x930E +#define GL_LOCATION_INDEX 0x930F +#define GL_IS_PER_PATCH 0x92E7 +/* reuse GL_NUM_COMPATIBLE_SUBROUTINES */ +/* reuse GL_COMPATIBLE_SUBROUTINES */ +#endif + +#ifndef GL_ARB_robust_buffer_access_behavior +#endif + +#ifndef GL_ARB_shader_image_size +#endif + +#ifndef GL_ARB_shader_storage_buffer_object +#define GL_SHADER_STORAGE_BUFFER 0x90D2 +#define GL_SHADER_STORAGE_BUFFER_BINDING 0x90D3 +#define GL_SHADER_STORAGE_BUFFER_START 0x90D4 +#define GL_SHADER_STORAGE_BUFFER_SIZE 0x90D5 +#define GL_MAX_VERTEX_SHADER_STORAGE_BLOCKS 0x90D6 +#define GL_MAX_GEOMETRY_SHADER_STORAGE_BLOCKS 0x90D7 +#define GL_MAX_TESS_CONTROL_SHADER_STORAGE_BLOCKS 0x90D8 +#define GL_MAX_TESS_EVALUATION_SHADER_STORAGE_BLOCKS 0x90D9 +#define GL_MAX_FRAGMENT_SHADER_STORAGE_BLOCKS 0x90DA +#define GL_MAX_COMPUTE_SHADER_STORAGE_BLOCKS 0x90DB +#define GL_MAX_COMBINED_SHADER_STORAGE_BLOCKS 0x90DC +#define GL_MAX_SHADER_STORAGE_BUFFER_BINDINGS 0x90DD +#define GL_MAX_SHADER_STORAGE_BLOCK_SIZE 0x90DE +#define GL_SHADER_STORAGE_BUFFER_OFFSET_ALIGNMENT 0x90DF +#define GL_SHADER_STORAGE_BARRIER_BIT 0x2000 +#define GL_MAX_COMBINED_SHADER_OUTPUT_RESOURCES GL_MAX_COMBINED_IMAGE_UNITS_AND_FRAGMENT_OUTPUTS +/* reuse GL_MAX_COMBINED_IMAGE_UNITS_AND_FRAGMENT_OUTPUTS */ +#endif + +#ifndef GL_ARB_stencil_texturing +#define GL_DEPTH_STENCIL_TEXTURE_MODE 0x90EA +#endif + +#ifndef GL_ARB_texture_buffer_range +#define GL_TEXTURE_BUFFER_OFFSET 0x919D +#define GL_TEXTURE_BUFFER_SIZE 0x919E +#define GL_TEXTURE_BUFFER_OFFSET_ALIGNMENT 0x919F +#endif + +#ifndef GL_ARB_texture_query_levels +#endif + +#ifndef GL_ARB_texture_storage_multisample +#endif + + +/*************************************************************/ + +#include +#ifndef GL_VERSION_2_0 +/* GL type for program/shader text */ +typedef char GLchar; +#endif + +#ifndef GL_VERSION_1_5 +/* GL types for handling large vertex buffer objects */ +typedef ptrdiff_t GLintptr; +typedef ptrdiff_t GLsizeiptr; +#endif + +#ifndef GL_ARB_vertex_buffer_object +/* GL types for handling large vertex buffer objects */ +typedef ptrdiff_t GLintptrARB; +typedef ptrdiff_t GLsizeiptrARB; +#endif + +#ifndef GL_ARB_shader_objects +/* GL types for program/shader text and shader object handles */ +typedef char GLcharARB; +typedef unsigned int GLhandleARB; +#endif + +/* GL type for "half" precision (s10e5) float data in host memory */ +#ifndef GL_ARB_half_float_pixel +typedef unsigned short GLhalfARB; +#endif + +#ifndef GL_NV_half_float +typedef unsigned short GLhalfNV; +#endif + +#ifndef GLEXT_64_TYPES_DEFINED +/* This code block is duplicated in glxext.h, so must be protected */ +#define GLEXT_64_TYPES_DEFINED +/* Define int32_t, int64_t, and uint64_t types for UST/MSC */ +/* (as used in the GL_EXT_timer_query extension). */ +#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L +#include +#elif defined(__sun__) || defined(__digital__) +#include +#if defined(__STDC__) +#if defined(__arch64__) || defined(_LP64) +typedef long int int64_t; +typedef unsigned long int uint64_t; +#else +typedef long long int int64_t; +typedef unsigned long long int uint64_t; +#endif /* __arch64__ */ +#endif /* __STDC__ */ +#elif defined( __VMS ) || defined(__sgi) +#include +#elif defined(__SCO__) || defined(__USLC__) +#include +#elif defined(__UNIXOS2__) || defined(__SOL64__) +typedef long int int32_t; +typedef long long int int64_t; +typedef unsigned long long int uint64_t; +#elif defined(_WIN32) && defined(__GNUC__) +#include +#elif defined(_WIN32) +typedef __int32 int32_t; +typedef __int64 int64_t; +typedef unsigned __int64 uint64_t; +#else +/* Fallback if nothing above works */ +#include +#endif +#endif + +#ifndef GL_EXT_timer_query +typedef int64_t GLint64EXT; +typedef uint64_t GLuint64EXT; +#endif + +#ifndef GL_ARB_sync +typedef int64_t GLint64; +typedef uint64_t GLuint64; +typedef struct __GLsync *GLsync; +#endif + +#ifndef GL_ARB_cl_event +/* These incomplete types let us declare types compatible with OpenCL's cl_context and cl_event */ +struct _cl_context; +struct _cl_event; +#endif + +#ifndef GL_ARB_debug_output +typedef void (APIENTRY *GLDEBUGPROCARB)(GLenum source,GLenum type,GLuint id,GLenum severity,GLsizei length,const GLchar *message,GLvoid *userParam); +#endif + +#ifndef GL_AMD_debug_output +typedef void (APIENTRY *GLDEBUGPROCAMD)(GLuint id,GLenum category,GLenum severity,GLsizei length,const GLchar *message,GLvoid *userParam); +#endif + +#ifndef GL_KHR_debug +typedef void (APIENTRY *GLDEBUGPROC)(GLenum source,GLenum type,GLuint id,GLenum severity,GLsizei length,const GLchar *message,GLvoid *userParam); +#endif + +#ifndef GL_NV_vdpau_interop +typedef GLintptr GLvdpauSurfaceNV; +#endif + +#ifndef GL_VERSION_1_0 +#define GL_VERSION_1_0 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glCullFace (GLenum mode); +GLAPI void APIENTRY glFrontFace (GLenum mode); +GLAPI void APIENTRY glHint (GLenum target, GLenum mode); +GLAPI void APIENTRY glLineWidth (GLfloat width); +GLAPI void APIENTRY glPointSize (GLfloat size); +GLAPI void APIENTRY glPolygonMode (GLenum face, GLenum mode); +GLAPI void APIENTRY glScissor (GLint x, GLint y, GLsizei width, GLsizei height); +GLAPI void APIENTRY glTexParameterf (GLenum target, GLenum pname, GLfloat param); +GLAPI void APIENTRY glTexParameterfv (GLenum target, GLenum pname, const GLfloat *params); +GLAPI void APIENTRY glTexParameteri (GLenum target, GLenum pname, GLint param); +GLAPI void APIENTRY glTexParameteriv (GLenum target, GLenum pname, const GLint *params); +GLAPI void APIENTRY glTexImage1D (GLenum target, GLint level, GLint internalformat, GLsizei width, GLint border, GLenum format, GLenum type, const GLvoid *pixels); +GLAPI void APIENTRY glTexImage2D (GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid *pixels); +GLAPI void APIENTRY glDrawBuffer (GLenum mode); +GLAPI void APIENTRY glClear (GLbitfield mask); +GLAPI void APIENTRY glClearColor (GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha); +GLAPI void APIENTRY glClearStencil (GLint s); +GLAPI void APIENTRY glClearDepth (GLdouble depth); +GLAPI void APIENTRY glStencilMask (GLuint mask); +GLAPI void APIENTRY glColorMask (GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha); +GLAPI void APIENTRY glDepthMask (GLboolean flag); +GLAPI void APIENTRY glDisable (GLenum cap); +GLAPI void APIENTRY glEnable (GLenum cap); +GLAPI void APIENTRY glFinish (void); +GLAPI void APIENTRY glFlush (void); +GLAPI void APIENTRY glBlendFunc (GLenum sfactor, GLenum dfactor); +GLAPI void APIENTRY glLogicOp (GLenum opcode); +GLAPI void APIENTRY glStencilFunc (GLenum func, GLint ref, GLuint mask); +GLAPI void APIENTRY glStencilOp (GLenum fail, GLenum zfail, GLenum zpass); +GLAPI void APIENTRY glDepthFunc (GLenum func); +GLAPI void APIENTRY glPixelStoref (GLenum pname, GLfloat param); +GLAPI void APIENTRY glPixelStorei (GLenum pname, GLint param); +GLAPI void APIENTRY glReadBuffer (GLenum mode); +GLAPI void APIENTRY glReadPixels (GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid *pixels); +GLAPI void APIENTRY glGetBooleanv (GLenum pname, GLboolean *params); +GLAPI void APIENTRY glGetDoublev (GLenum pname, GLdouble *params); +GLAPI GLenum APIENTRY glGetError (void); +GLAPI void APIENTRY glGetFloatv (GLenum pname, GLfloat *params); +GLAPI void APIENTRY glGetIntegerv (GLenum pname, GLint *params); +GLAPI const GLubyte * APIENTRY glGetString (GLenum name); +GLAPI void APIENTRY glGetTexImage (GLenum target, GLint level, GLenum format, GLenum type, GLvoid *pixels); +GLAPI void APIENTRY glGetTexParameterfv (GLenum target, GLenum pname, GLfloat *params); +GLAPI void APIENTRY glGetTexParameteriv (GLenum target, GLenum pname, GLint *params); +GLAPI void APIENTRY glGetTexLevelParameterfv (GLenum target, GLint level, GLenum pname, GLfloat *params); +GLAPI void APIENTRY glGetTexLevelParameteriv (GLenum target, GLint level, GLenum pname, GLint *params); +GLAPI GLboolean APIENTRY glIsEnabled (GLenum cap); +GLAPI void APIENTRY glDepthRange (GLdouble near, GLdouble far); +GLAPI void APIENTRY glViewport (GLint x, GLint y, GLsizei width, GLsizei height); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLCULLFACEPROC) (GLenum mode); +typedef void (APIENTRYP PFNGLFRONTFACEPROC) (GLenum mode); +typedef void (APIENTRYP PFNGLHINTPROC) (GLenum target, GLenum mode); +typedef void (APIENTRYP PFNGLLINEWIDTHPROC) (GLfloat width); +typedef void (APIENTRYP PFNGLPOINTSIZEPROC) (GLfloat size); +typedef void (APIENTRYP PFNGLPOLYGONMODEPROC) (GLenum face, GLenum mode); +typedef void (APIENTRYP PFNGLSCISSORPROC) (GLint x, GLint y, GLsizei width, GLsizei height); +typedef void (APIENTRYP PFNGLTEXPARAMETERFPROC) (GLenum target, GLenum pname, GLfloat param); +typedef void (APIENTRYP PFNGLTEXPARAMETERFVPROC) (GLenum target, GLenum pname, const GLfloat *params); +typedef void (APIENTRYP PFNGLTEXPARAMETERIPROC) (GLenum target, GLenum pname, GLint param); +typedef void (APIENTRYP PFNGLTEXPARAMETERIVPROC) (GLenum target, GLenum pname, const GLint *params); +typedef void (APIENTRYP PFNGLTEXIMAGE1DPROC) (GLenum target, GLint level, GLint internalformat, GLsizei width, GLint border, GLenum format, GLenum type, const GLvoid *pixels); +typedef void (APIENTRYP PFNGLTEXIMAGE2DPROC) (GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid *pixels); +typedef void (APIENTRYP PFNGLDRAWBUFFERPROC) (GLenum mode); +typedef void (APIENTRYP PFNGLCLEARPROC) (GLbitfield mask); +typedef void (APIENTRYP PFNGLCLEARCOLORPROC) (GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha); +typedef void (APIENTRYP PFNGLCLEARSTENCILPROC) (GLint s); +typedef void (APIENTRYP PFNGLCLEARDEPTHPROC) (GLdouble depth); +typedef void (APIENTRYP PFNGLSTENCILMASKPROC) (GLuint mask); +typedef void (APIENTRYP PFNGLCOLORMASKPROC) (GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha); +typedef void (APIENTRYP PFNGLDEPTHMASKPROC) (GLboolean flag); +typedef void (APIENTRYP PFNGLDISABLEPROC) (GLenum cap); +typedef void (APIENTRYP PFNGLENABLEPROC) (GLenum cap); +typedef void (APIENTRYP PFNGLFINISHPROC) (void); +typedef void (APIENTRYP PFNGLFLUSHPROC) (void); +typedef void (APIENTRYP PFNGLBLENDFUNCPROC) (GLenum sfactor, GLenum dfactor); +typedef void (APIENTRYP PFNGLLOGICOPPROC) (GLenum opcode); +typedef void (APIENTRYP PFNGLSTENCILFUNCPROC) (GLenum func, GLint ref, GLuint mask); +typedef void (APIENTRYP PFNGLSTENCILOPPROC) (GLenum fail, GLenum zfail, GLenum zpass); +typedef void (APIENTRYP PFNGLDEPTHFUNCPROC) (GLenum func); +typedef void (APIENTRYP PFNGLPIXELSTOREFPROC) (GLenum pname, GLfloat param); +typedef void (APIENTRYP PFNGLPIXELSTOREIPROC) (GLenum pname, GLint param); +typedef void (APIENTRYP PFNGLREADBUFFERPROC) (GLenum mode); +typedef void (APIENTRYP PFNGLREADPIXELSPROC) (GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid *pixels); +typedef void (APIENTRYP PFNGLGETBOOLEANVPROC) (GLenum pname, GLboolean *params); +typedef void (APIENTRYP PFNGLGETDOUBLEVPROC) (GLenum pname, GLdouble *params); +typedef GLenum (APIENTRYP PFNGLGETERRORPROC) (void); +typedef void (APIENTRYP PFNGLGETFLOATVPROC) (GLenum pname, GLfloat *params); +typedef void (APIENTRYP PFNGLGETINTEGERVPROC) (GLenum pname, GLint *params); +typedef const GLubyte * (APIENTRYP PFNGLGETSTRINGPROC) (GLenum name); +typedef void (APIENTRYP PFNGLGETTEXIMAGEPROC) (GLenum target, GLint level, GLenum format, GLenum type, GLvoid *pixels); +typedef void (APIENTRYP PFNGLGETTEXPARAMETERFVPROC) (GLenum target, GLenum pname, GLfloat *params); +typedef void (APIENTRYP PFNGLGETTEXPARAMETERIVPROC) (GLenum target, GLenum pname, GLint *params); +typedef void (APIENTRYP PFNGLGETTEXLEVELPARAMETERFVPROC) (GLenum target, GLint level, GLenum pname, GLfloat *params); +typedef void (APIENTRYP PFNGLGETTEXLEVELPARAMETERIVPROC) (GLenum target, GLint level, GLenum pname, GLint *params); +typedef GLboolean (APIENTRYP PFNGLISENABLEDPROC) (GLenum cap); +typedef void (APIENTRYP PFNGLDEPTHRANGEPROC) (GLdouble near, GLdouble far); +typedef void (APIENTRYP PFNGLVIEWPORTPROC) (GLint x, GLint y, GLsizei width, GLsizei height); +#endif + +#ifndef GL_VERSION_1_1 +#define GL_VERSION_1_1 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glDrawArrays (GLenum mode, GLint first, GLsizei count); +GLAPI void APIENTRY glDrawElements (GLenum mode, GLsizei count, GLenum type, const GLvoid *indices); +GLAPI void APIENTRY glGetPointerv (GLenum pname, GLvoid* *params); +GLAPI void APIENTRY glPolygonOffset (GLfloat factor, GLfloat units); +GLAPI void APIENTRY glCopyTexImage1D (GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLint border); +GLAPI void APIENTRY glCopyTexImage2D (GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border); +GLAPI void APIENTRY glCopyTexSubImage1D (GLenum target, GLint level, GLint xoffset, GLint x, GLint y, GLsizei width); +GLAPI void APIENTRY glCopyTexSubImage2D (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height); +GLAPI void APIENTRY glTexSubImage1D (GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLenum type, const GLvoid *pixels); +GLAPI void APIENTRY glTexSubImage2D (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *pixels); +GLAPI void APIENTRY glBindTexture (GLenum target, GLuint texture); +GLAPI void APIENTRY glDeleteTextures (GLsizei n, const GLuint *textures); +GLAPI void APIENTRY glGenTextures (GLsizei n, GLuint *textures); +GLAPI GLboolean APIENTRY glIsTexture (GLuint texture); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLDRAWARRAYSPROC) (GLenum mode, GLint first, GLsizei count); +typedef void (APIENTRYP PFNGLDRAWELEMENTSPROC) (GLenum mode, GLsizei count, GLenum type, const GLvoid *indices); +typedef void (APIENTRYP PFNGLGETPOINTERVPROC) (GLenum pname, GLvoid* *params); +typedef void (APIENTRYP PFNGLPOLYGONOFFSETPROC) (GLfloat factor, GLfloat units); +typedef void (APIENTRYP PFNGLCOPYTEXIMAGE1DPROC) (GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLint border); +typedef void (APIENTRYP PFNGLCOPYTEXIMAGE2DPROC) (GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border); +typedef void (APIENTRYP PFNGLCOPYTEXSUBIMAGE1DPROC) (GLenum target, GLint level, GLint xoffset, GLint x, GLint y, GLsizei width); +typedef void (APIENTRYP PFNGLCOPYTEXSUBIMAGE2DPROC) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height); +typedef void (APIENTRYP PFNGLTEXSUBIMAGE1DPROC) (GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLenum type, const GLvoid *pixels); +typedef void (APIENTRYP PFNGLTEXSUBIMAGE2DPROC) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *pixels); +typedef void (APIENTRYP PFNGLBINDTEXTUREPROC) (GLenum target, GLuint texture); +typedef void (APIENTRYP PFNGLDELETETEXTURESPROC) (GLsizei n, const GLuint *textures); +typedef void (APIENTRYP PFNGLGENTEXTURESPROC) (GLsizei n, GLuint *textures); +typedef GLboolean (APIENTRYP PFNGLISTEXTUREPROC) (GLuint texture); +#endif + +#ifndef GL_VERSION_1_2 +#define GL_VERSION_1_2 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glBlendColor (GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha); +GLAPI void APIENTRY glBlendEquation (GLenum mode); +GLAPI void APIENTRY glDrawRangeElements (GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices); +GLAPI void APIENTRY glTexImage3D (GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const GLvoid *pixels); +GLAPI void APIENTRY glTexSubImage3D (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const GLvoid *pixels); +GLAPI void APIENTRY glCopyTexSubImage3D (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLBLENDCOLORPROC) (GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha); +typedef void (APIENTRYP PFNGLBLENDEQUATIONPROC) (GLenum mode); +typedef void (APIENTRYP PFNGLDRAWRANGEELEMENTSPROC) (GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices); +typedef void (APIENTRYP PFNGLTEXIMAGE3DPROC) (GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const GLvoid *pixels); +typedef void (APIENTRYP PFNGLTEXSUBIMAGE3DPROC) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const GLvoid *pixels); +typedef void (APIENTRYP PFNGLCOPYTEXSUBIMAGE3DPROC) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height); +#endif + +#ifndef GL_VERSION_1_3 +#define GL_VERSION_1_3 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glActiveTexture (GLenum texture); +GLAPI void APIENTRY glSampleCoverage (GLfloat value, GLboolean invert); +GLAPI void APIENTRY glCompressedTexImage3D (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLsizei imageSize, const GLvoid *data); +GLAPI void APIENTRY glCompressedTexImage2D (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const GLvoid *data); +GLAPI void APIENTRY glCompressedTexImage1D (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLint border, GLsizei imageSize, const GLvoid *data); +GLAPI void APIENTRY glCompressedTexSubImage3D (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const GLvoid *data); +GLAPI void APIENTRY glCompressedTexSubImage2D (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const GLvoid *data); +GLAPI void APIENTRY glCompressedTexSubImage1D (GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLsizei imageSize, const GLvoid *data); +GLAPI void APIENTRY glGetCompressedTexImage (GLenum target, GLint level, GLvoid *img); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLACTIVETEXTUREPROC) (GLenum texture); +typedef void (APIENTRYP PFNGLSAMPLECOVERAGEPROC) (GLfloat value, GLboolean invert); +typedef void (APIENTRYP PFNGLCOMPRESSEDTEXIMAGE3DPROC) (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLsizei imageSize, const GLvoid *data); +typedef void (APIENTRYP PFNGLCOMPRESSEDTEXIMAGE2DPROC) (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const GLvoid *data); +typedef void (APIENTRYP PFNGLCOMPRESSEDTEXIMAGE1DPROC) (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLint border, GLsizei imageSize, const GLvoid *data); +typedef void (APIENTRYP PFNGLCOMPRESSEDTEXSUBIMAGE3DPROC) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const GLvoid *data); +typedef void (APIENTRYP PFNGLCOMPRESSEDTEXSUBIMAGE2DPROC) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const GLvoid *data); +typedef void (APIENTRYP PFNGLCOMPRESSEDTEXSUBIMAGE1DPROC) (GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLsizei imageSize, const GLvoid *data); +typedef void (APIENTRYP PFNGLGETCOMPRESSEDTEXIMAGEPROC) (GLenum target, GLint level, GLvoid *img); +#endif + +#ifndef GL_VERSION_1_4 +#define GL_VERSION_1_4 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glBlendFuncSeparate (GLenum sfactorRGB, GLenum dfactorRGB, GLenum sfactorAlpha, GLenum dfactorAlpha); +GLAPI void APIENTRY glMultiDrawArrays (GLenum mode, const GLint *first, const GLsizei *count, GLsizei drawcount); +GLAPI void APIENTRY glMultiDrawElements (GLenum mode, const GLsizei *count, GLenum type, const GLvoid* const *indices, GLsizei drawcount); +GLAPI void APIENTRY glPointParameterf (GLenum pname, GLfloat param); +GLAPI void APIENTRY glPointParameterfv (GLenum pname, const GLfloat *params); +GLAPI void APIENTRY glPointParameteri (GLenum pname, GLint param); +GLAPI void APIENTRY glPointParameteriv (GLenum pname, const GLint *params); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLBLENDFUNCSEPARATEPROC) (GLenum sfactorRGB, GLenum dfactorRGB, GLenum sfactorAlpha, GLenum dfactorAlpha); +typedef void (APIENTRYP PFNGLMULTIDRAWARRAYSPROC) (GLenum mode, const GLint *first, const GLsizei *count, GLsizei drawcount); +typedef void (APIENTRYP PFNGLMULTIDRAWELEMENTSPROC) (GLenum mode, const GLsizei *count, GLenum type, const GLvoid* const *indices, GLsizei drawcount); +typedef void (APIENTRYP PFNGLPOINTPARAMETERFPROC) (GLenum pname, GLfloat param); +typedef void (APIENTRYP PFNGLPOINTPARAMETERFVPROC) (GLenum pname, const GLfloat *params); +typedef void (APIENTRYP PFNGLPOINTPARAMETERIPROC) (GLenum pname, GLint param); +typedef void (APIENTRYP PFNGLPOINTPARAMETERIVPROC) (GLenum pname, const GLint *params); +#endif + +#ifndef GL_VERSION_1_5 +#define GL_VERSION_1_5 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glGenQueries (GLsizei n, GLuint *ids); +GLAPI void APIENTRY glDeleteQueries (GLsizei n, const GLuint *ids); +GLAPI GLboolean APIENTRY glIsQuery (GLuint id); +GLAPI void APIENTRY glBeginQuery (GLenum target, GLuint id); +GLAPI void APIENTRY glEndQuery (GLenum target); +GLAPI void APIENTRY glGetQueryiv (GLenum target, GLenum pname, GLint *params); +GLAPI void APIENTRY glGetQueryObjectiv (GLuint id, GLenum pname, GLint *params); +GLAPI void APIENTRY glGetQueryObjectuiv (GLuint id, GLenum pname, GLuint *params); +GLAPI void APIENTRY glBindBuffer (GLenum target, GLuint buffer); +GLAPI void APIENTRY glDeleteBuffers (GLsizei n, const GLuint *buffers); +GLAPI void APIENTRY glGenBuffers (GLsizei n, GLuint *buffers); +GLAPI GLboolean APIENTRY glIsBuffer (GLuint buffer); +GLAPI void APIENTRY glBufferData (GLenum target, GLsizeiptr size, const GLvoid *data, GLenum usage); +GLAPI void APIENTRY glBufferSubData (GLenum target, GLintptr offset, GLsizeiptr size, const GLvoid *data); +GLAPI void APIENTRY glGetBufferSubData (GLenum target, GLintptr offset, GLsizeiptr size, GLvoid *data); +GLAPI GLvoid* APIENTRY glMapBuffer (GLenum target, GLenum access); +GLAPI GLboolean APIENTRY glUnmapBuffer (GLenum target); +GLAPI void APIENTRY glGetBufferParameteriv (GLenum target, GLenum pname, GLint *params); +GLAPI void APIENTRY glGetBufferPointerv (GLenum target, GLenum pname, GLvoid* *params); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLGENQUERIESPROC) (GLsizei n, GLuint *ids); +typedef void (APIENTRYP PFNGLDELETEQUERIESPROC) (GLsizei n, const GLuint *ids); +typedef GLboolean (APIENTRYP PFNGLISQUERYPROC) (GLuint id); +typedef void (APIENTRYP PFNGLBEGINQUERYPROC) (GLenum target, GLuint id); +typedef void (APIENTRYP PFNGLENDQUERYPROC) (GLenum target); +typedef void (APIENTRYP PFNGLGETQUERYIVPROC) (GLenum target, GLenum pname, GLint *params); +typedef void (APIENTRYP PFNGLGETQUERYOBJECTIVPROC) (GLuint id, GLenum pname, GLint *params); +typedef void (APIENTRYP PFNGLGETQUERYOBJECTUIVPROC) (GLuint id, GLenum pname, GLuint *params); +typedef void (APIENTRYP PFNGLBINDBUFFERPROC) (GLenum target, GLuint buffer); +typedef void (APIENTRYP PFNGLDELETEBUFFERSPROC) (GLsizei n, const GLuint *buffers); +typedef void (APIENTRYP PFNGLGENBUFFERSPROC) (GLsizei n, GLuint *buffers); +typedef GLboolean (APIENTRYP PFNGLISBUFFERPROC) (GLuint buffer); +typedef void (APIENTRYP PFNGLBUFFERDATAPROC) (GLenum target, GLsizeiptr size, const GLvoid *data, GLenum usage); +typedef void (APIENTRYP PFNGLBUFFERSUBDATAPROC) (GLenum target, GLintptr offset, GLsizeiptr size, const GLvoid *data); +typedef void (APIENTRYP PFNGLGETBUFFERSUBDATAPROC) (GLenum target, GLintptr offset, GLsizeiptr size, GLvoid *data); +typedef GLvoid* (APIENTRYP PFNGLMAPBUFFERPROC) (GLenum target, GLenum access); +typedef GLboolean (APIENTRYP PFNGLUNMAPBUFFERPROC) (GLenum target); +typedef void (APIENTRYP PFNGLGETBUFFERPARAMETERIVPROC) (GLenum target, GLenum pname, GLint *params); +typedef void (APIENTRYP PFNGLGETBUFFERPOINTERVPROC) (GLenum target, GLenum pname, GLvoid* *params); +#endif + +#ifndef GL_VERSION_2_0 +#define GL_VERSION_2_0 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glBlendEquationSeparate (GLenum modeRGB, GLenum modeAlpha); +GLAPI void APIENTRY glDrawBuffers (GLsizei n, const GLenum *bufs); +GLAPI void APIENTRY glStencilOpSeparate (GLenum face, GLenum sfail, GLenum dpfail, GLenum dppass); +GLAPI void APIENTRY glStencilFuncSeparate (GLenum face, GLenum func, GLint ref, GLuint mask); +GLAPI void APIENTRY glStencilMaskSeparate (GLenum face, GLuint mask); +GLAPI void APIENTRY glAttachShader (GLuint program, GLuint shader); +GLAPI void APIENTRY glBindAttribLocation (GLuint program, GLuint index, const GLchar *name); +GLAPI void APIENTRY glCompileShader (GLuint shader); +GLAPI GLuint APIENTRY glCreateProgram (void); +GLAPI GLuint APIENTRY glCreateShader (GLenum type); +GLAPI void APIENTRY glDeleteProgram (GLuint program); +GLAPI void APIENTRY glDeleteShader (GLuint shader); +GLAPI void APIENTRY glDetachShader (GLuint program, GLuint shader); +GLAPI void APIENTRY glDisableVertexAttribArray (GLuint index); +GLAPI void APIENTRY glEnableVertexAttribArray (GLuint index); +GLAPI void APIENTRY glGetActiveAttrib (GLuint program, GLuint index, GLsizei bufSize, GLsizei *length, GLint *size, GLenum *type, GLchar *name); +GLAPI void APIENTRY glGetActiveUniform (GLuint program, GLuint index, GLsizei bufSize, GLsizei *length, GLint *size, GLenum *type, GLchar *name); +GLAPI void APIENTRY glGetAttachedShaders (GLuint program, GLsizei maxCount, GLsizei *count, GLuint *obj); +GLAPI GLint APIENTRY glGetAttribLocation (GLuint program, const GLchar *name); +GLAPI void APIENTRY glGetProgramiv (GLuint program, GLenum pname, GLint *params); +GLAPI void APIENTRY glGetProgramInfoLog (GLuint program, GLsizei bufSize, GLsizei *length, GLchar *infoLog); +GLAPI void APIENTRY glGetShaderiv (GLuint shader, GLenum pname, GLint *params); +GLAPI void APIENTRY glGetShaderInfoLog (GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *infoLog); +GLAPI void APIENTRY glGetShaderSource (GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *source); +GLAPI GLint APIENTRY glGetUniformLocation (GLuint program, const GLchar *name); +GLAPI void APIENTRY glGetUniformfv (GLuint program, GLint location, GLfloat *params); +GLAPI void APIENTRY glGetUniformiv (GLuint program, GLint location, GLint *params); +GLAPI void APIENTRY glGetVertexAttribdv (GLuint index, GLenum pname, GLdouble *params); +GLAPI void APIENTRY glGetVertexAttribfv (GLuint index, GLenum pname, GLfloat *params); +GLAPI void APIENTRY glGetVertexAttribiv (GLuint index, GLenum pname, GLint *params); +GLAPI void APIENTRY glGetVertexAttribPointerv (GLuint index, GLenum pname, GLvoid* *pointer); +GLAPI GLboolean APIENTRY glIsProgram (GLuint program); +GLAPI GLboolean APIENTRY glIsShader (GLuint shader); +GLAPI void APIENTRY glLinkProgram (GLuint program); +GLAPI void APIENTRY glShaderSource (GLuint shader, GLsizei count, const GLchar* const *string, const GLint *length); +GLAPI void APIENTRY glUseProgram (GLuint program); +GLAPI void APIENTRY glUniform1f (GLint location, GLfloat v0); +GLAPI void APIENTRY glUniform2f (GLint location, GLfloat v0, GLfloat v1); +GLAPI void APIENTRY glUniform3f (GLint location, GLfloat v0, GLfloat v1, GLfloat v2); +GLAPI void APIENTRY glUniform4f (GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3); +GLAPI void APIENTRY glUniform1i (GLint location, GLint v0); +GLAPI void APIENTRY glUniform2i (GLint location, GLint v0, GLint v1); +GLAPI void APIENTRY glUniform3i (GLint location, GLint v0, GLint v1, GLint v2); +GLAPI void APIENTRY glUniform4i (GLint location, GLint v0, GLint v1, GLint v2, GLint v3); +GLAPI void APIENTRY glUniform1fv (GLint location, GLsizei count, const GLfloat *value); +GLAPI void APIENTRY glUniform2fv (GLint location, GLsizei count, const GLfloat *value); +GLAPI void APIENTRY glUniform3fv (GLint location, GLsizei count, const GLfloat *value); +GLAPI void APIENTRY glUniform4fv (GLint location, GLsizei count, const GLfloat *value); +GLAPI void APIENTRY glUniform1iv (GLint location, GLsizei count, const GLint *value); +GLAPI void APIENTRY glUniform2iv (GLint location, GLsizei count, const GLint *value); +GLAPI void APIENTRY glUniform3iv (GLint location, GLsizei count, const GLint *value); +GLAPI void APIENTRY glUniform4iv (GLint location, GLsizei count, const GLint *value); +GLAPI void APIENTRY glUniformMatrix2fv (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +GLAPI void APIENTRY glUniformMatrix3fv (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +GLAPI void APIENTRY glUniformMatrix4fv (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +GLAPI void APIENTRY glValidateProgram (GLuint program); +GLAPI void APIENTRY glVertexAttrib1d (GLuint index, GLdouble x); +GLAPI void APIENTRY glVertexAttrib1dv (GLuint index, const GLdouble *v); +GLAPI void APIENTRY glVertexAttrib1f (GLuint index, GLfloat x); +GLAPI void APIENTRY glVertexAttrib1fv (GLuint index, const GLfloat *v); +GLAPI void APIENTRY glVertexAttrib1s (GLuint index, GLshort x); +GLAPI void APIENTRY glVertexAttrib1sv (GLuint index, const GLshort *v); +GLAPI void APIENTRY glVertexAttrib2d (GLuint index, GLdouble x, GLdouble y); +GLAPI void APIENTRY glVertexAttrib2dv (GLuint index, const GLdouble *v); +GLAPI void APIENTRY glVertexAttrib2f (GLuint index, GLfloat x, GLfloat y); +GLAPI void APIENTRY glVertexAttrib2fv (GLuint index, const GLfloat *v); +GLAPI void APIENTRY glVertexAttrib2s (GLuint index, GLshort x, GLshort y); +GLAPI void APIENTRY glVertexAttrib2sv (GLuint index, const GLshort *v); +GLAPI void APIENTRY glVertexAttrib3d (GLuint index, GLdouble x, GLdouble y, GLdouble z); +GLAPI void APIENTRY glVertexAttrib3dv (GLuint index, const GLdouble *v); +GLAPI void APIENTRY glVertexAttrib3f (GLuint index, GLfloat x, GLfloat y, GLfloat z); +GLAPI void APIENTRY glVertexAttrib3fv (GLuint index, const GLfloat *v); +GLAPI void APIENTRY glVertexAttrib3s (GLuint index, GLshort x, GLshort y, GLshort z); +GLAPI void APIENTRY glVertexAttrib3sv (GLuint index, const GLshort *v); +GLAPI void APIENTRY glVertexAttrib4Nbv (GLuint index, const GLbyte *v); +GLAPI void APIENTRY glVertexAttrib4Niv (GLuint index, const GLint *v); +GLAPI void APIENTRY glVertexAttrib4Nsv (GLuint index, const GLshort *v); +GLAPI void APIENTRY glVertexAttrib4Nub (GLuint index, GLubyte x, GLubyte y, GLubyte z, GLubyte w); +GLAPI void APIENTRY glVertexAttrib4Nubv (GLuint index, const GLubyte *v); +GLAPI void APIENTRY glVertexAttrib4Nuiv (GLuint index, const GLuint *v); +GLAPI void APIENTRY glVertexAttrib4Nusv (GLuint index, const GLushort *v); +GLAPI void APIENTRY glVertexAttrib4bv (GLuint index, const GLbyte *v); +GLAPI void APIENTRY glVertexAttrib4d (GLuint index, GLdouble x, GLdouble y, GLdouble z, GLdouble w); +GLAPI void APIENTRY glVertexAttrib4dv (GLuint index, const GLdouble *v); +GLAPI void APIENTRY glVertexAttrib4f (GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w); +GLAPI void APIENTRY glVertexAttrib4fv (GLuint index, const GLfloat *v); +GLAPI void APIENTRY glVertexAttrib4iv (GLuint index, const GLint *v); +GLAPI void APIENTRY glVertexAttrib4s (GLuint index, GLshort x, GLshort y, GLshort z, GLshort w); +GLAPI void APIENTRY glVertexAttrib4sv (GLuint index, const GLshort *v); +GLAPI void APIENTRY glVertexAttrib4ubv (GLuint index, const GLubyte *v); +GLAPI void APIENTRY glVertexAttrib4uiv (GLuint index, const GLuint *v); +GLAPI void APIENTRY glVertexAttrib4usv (GLuint index, const GLushort *v); +GLAPI void APIENTRY glVertexAttribPointer (GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid *pointer); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLBLENDEQUATIONSEPARATEPROC) (GLenum modeRGB, GLenum modeAlpha); +typedef void (APIENTRYP PFNGLDRAWBUFFERSPROC) (GLsizei n, const GLenum *bufs); +typedef void (APIENTRYP PFNGLSTENCILOPSEPARATEPROC) (GLenum face, GLenum sfail, GLenum dpfail, GLenum dppass); +typedef void (APIENTRYP PFNGLSTENCILFUNCSEPARATEPROC) (GLenum face, GLenum func, GLint ref, GLuint mask); +typedef void (APIENTRYP PFNGLSTENCILMASKSEPARATEPROC) (GLenum face, GLuint mask); +typedef void (APIENTRYP PFNGLATTACHSHADERPROC) (GLuint program, GLuint shader); +typedef void (APIENTRYP PFNGLBINDATTRIBLOCATIONPROC) (GLuint program, GLuint index, const GLchar *name); +typedef void (APIENTRYP PFNGLCOMPILESHADERPROC) (GLuint shader); +typedef GLuint (APIENTRYP PFNGLCREATEPROGRAMPROC) (void); +typedef GLuint (APIENTRYP PFNGLCREATESHADERPROC) (GLenum type); +typedef void (APIENTRYP PFNGLDELETEPROGRAMPROC) (GLuint program); +typedef void (APIENTRYP PFNGLDELETESHADERPROC) (GLuint shader); +typedef void (APIENTRYP PFNGLDETACHSHADERPROC) (GLuint program, GLuint shader); +typedef void (APIENTRYP PFNGLDISABLEVERTEXATTRIBARRAYPROC) (GLuint index); +typedef void (APIENTRYP PFNGLENABLEVERTEXATTRIBARRAYPROC) (GLuint index); +typedef void (APIENTRYP PFNGLGETACTIVEATTRIBPROC) (GLuint program, GLuint index, GLsizei bufSize, GLsizei *length, GLint *size, GLenum *type, GLchar *name); +typedef void (APIENTRYP PFNGLGETACTIVEUNIFORMPROC) (GLuint program, GLuint index, GLsizei bufSize, GLsizei *length, GLint *size, GLenum *type, GLchar *name); +typedef void (APIENTRYP PFNGLGETATTACHEDSHADERSPROC) (GLuint program, GLsizei maxCount, GLsizei *count, GLuint *obj); +typedef GLint (APIENTRYP PFNGLGETATTRIBLOCATIONPROC) (GLuint program, const GLchar *name); +typedef void (APIENTRYP PFNGLGETPROGRAMIVPROC) (GLuint program, GLenum pname, GLint *params); +typedef void (APIENTRYP PFNGLGETPROGRAMINFOLOGPROC) (GLuint program, GLsizei bufSize, GLsizei *length, GLchar *infoLog); +typedef void (APIENTRYP PFNGLGETSHADERIVPROC) (GLuint shader, GLenum pname, GLint *params); +typedef void (APIENTRYP PFNGLGETSHADERINFOLOGPROC) (GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *infoLog); +typedef void (APIENTRYP PFNGLGETSHADERSOURCEPROC) (GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *source); +typedef GLint (APIENTRYP PFNGLGETUNIFORMLOCATIONPROC) (GLuint program, const GLchar *name); +typedef void (APIENTRYP PFNGLGETUNIFORMFVPROC) (GLuint program, GLint location, GLfloat *params); +typedef void (APIENTRYP PFNGLGETUNIFORMIVPROC) (GLuint program, GLint location, GLint *params); +typedef void (APIENTRYP PFNGLGETVERTEXATTRIBDVPROC) (GLuint index, GLenum pname, GLdouble *params); +typedef void (APIENTRYP PFNGLGETVERTEXATTRIBFVPROC) (GLuint index, GLenum pname, GLfloat *params); +typedef void (APIENTRYP PFNGLGETVERTEXATTRIBIVPROC) (GLuint index, GLenum pname, GLint *params); +typedef void (APIENTRYP PFNGLGETVERTEXATTRIBPOINTERVPROC) (GLuint index, GLenum pname, GLvoid* *pointer); +typedef GLboolean (APIENTRYP PFNGLISPROGRAMPROC) (GLuint program); +typedef GLboolean (APIENTRYP PFNGLISSHADERPROC) (GLuint shader); +typedef void (APIENTRYP PFNGLLINKPROGRAMPROC) (GLuint program); +typedef void (APIENTRYP PFNGLSHADERSOURCEPROC) (GLuint shader, GLsizei count, const GLchar* const *string, const GLint *length); +typedef void (APIENTRYP PFNGLUSEPROGRAMPROC) (GLuint program); +typedef void (APIENTRYP PFNGLUNIFORM1FPROC) (GLint location, GLfloat v0); +typedef void (APIENTRYP PFNGLUNIFORM2FPROC) (GLint location, GLfloat v0, GLfloat v1); +typedef void (APIENTRYP PFNGLUNIFORM3FPROC) (GLint location, GLfloat v0, GLfloat v1, GLfloat v2); +typedef void (APIENTRYP PFNGLUNIFORM4FPROC) (GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3); +typedef void (APIENTRYP PFNGLUNIFORM1IPROC) (GLint location, GLint v0); +typedef void (APIENTRYP PFNGLUNIFORM2IPROC) (GLint location, GLint v0, GLint v1); +typedef void (APIENTRYP PFNGLUNIFORM3IPROC) (GLint location, GLint v0, GLint v1, GLint v2); +typedef void (APIENTRYP PFNGLUNIFORM4IPROC) (GLint location, GLint v0, GLint v1, GLint v2, GLint v3); +typedef void (APIENTRYP PFNGLUNIFORM1FVPROC) (GLint location, GLsizei count, const GLfloat *value); +typedef void (APIENTRYP PFNGLUNIFORM2FVPROC) (GLint location, GLsizei count, const GLfloat *value); +typedef void (APIENTRYP PFNGLUNIFORM3FVPROC) (GLint location, GLsizei count, const GLfloat *value); +typedef void (APIENTRYP PFNGLUNIFORM4FVPROC) (GLint location, GLsizei count, const GLfloat *value); +typedef void (APIENTRYP PFNGLUNIFORM1IVPROC) (GLint location, GLsizei count, const GLint *value); +typedef void (APIENTRYP PFNGLUNIFORM2IVPROC) (GLint location, GLsizei count, const GLint *value); +typedef void (APIENTRYP PFNGLUNIFORM3IVPROC) (GLint location, GLsizei count, const GLint *value); +typedef void (APIENTRYP PFNGLUNIFORM4IVPROC) (GLint location, GLsizei count, const GLint *value); +typedef void (APIENTRYP PFNGLUNIFORMMATRIX2FVPROC) (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +typedef void (APIENTRYP PFNGLUNIFORMMATRIX3FVPROC) (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +typedef void (APIENTRYP PFNGLUNIFORMMATRIX4FVPROC) (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +typedef void (APIENTRYP PFNGLVALIDATEPROGRAMPROC) (GLuint program); +typedef void (APIENTRYP PFNGLVERTEXATTRIB1DPROC) (GLuint index, GLdouble x); +typedef void (APIENTRYP PFNGLVERTEXATTRIB1DVPROC) (GLuint index, const GLdouble *v); +typedef void (APIENTRYP PFNGLVERTEXATTRIB1FPROC) (GLuint index, GLfloat x); +typedef void (APIENTRYP PFNGLVERTEXATTRIB1FVPROC) (GLuint index, const GLfloat *v); +typedef void (APIENTRYP PFNGLVERTEXATTRIB1SPROC) (GLuint index, GLshort x); +typedef void (APIENTRYP PFNGLVERTEXATTRIB1SVPROC) (GLuint index, const GLshort *v); +typedef void (APIENTRYP PFNGLVERTEXATTRIB2DPROC) (GLuint index, GLdouble x, GLdouble y); +typedef void (APIENTRYP PFNGLVERTEXATTRIB2DVPROC) (GLuint index, const GLdouble *v); +typedef void (APIENTRYP PFNGLVERTEXATTRIB2FPROC) (GLuint index, GLfloat x, GLfloat y); +typedef void (APIENTRYP PFNGLVERTEXATTRIB2FVPROC) (GLuint index, const GLfloat *v); +typedef void (APIENTRYP PFNGLVERTEXATTRIB2SPROC) (GLuint index, GLshort x, GLshort y); +typedef void (APIENTRYP PFNGLVERTEXATTRIB2SVPROC) (GLuint index, const GLshort *v); +typedef void (APIENTRYP PFNGLVERTEXATTRIB3DPROC) (GLuint index, GLdouble x, GLdouble y, GLdouble z); +typedef void (APIENTRYP PFNGLVERTEXATTRIB3DVPROC) (GLuint index, const GLdouble *v); +typedef void (APIENTRYP PFNGLVERTEXATTRIB3FPROC) (GLuint index, GLfloat x, GLfloat y, GLfloat z); +typedef void (APIENTRYP PFNGLVERTEXATTRIB3FVPROC) (GLuint index, const GLfloat *v); +typedef void (APIENTRYP PFNGLVERTEXATTRIB3SPROC) (GLuint index, GLshort x, GLshort y, GLshort z); +typedef void (APIENTRYP PFNGLVERTEXATTRIB3SVPROC) (GLuint index, const GLshort *v); +typedef void (APIENTRYP PFNGLVERTEXATTRIB4NBVPROC) (GLuint index, const GLbyte *v); +typedef void (APIENTRYP PFNGLVERTEXATTRIB4NIVPROC) (GLuint index, const GLint *v); +typedef void (APIENTRYP PFNGLVERTEXATTRIB4NSVPROC) (GLuint index, const GLshort *v); +typedef void (APIENTRYP PFNGLVERTEXATTRIB4NUBPROC) (GLuint index, GLubyte x, GLubyte y, GLubyte z, GLubyte w); +typedef void (APIENTRYP PFNGLVERTEXATTRIB4NUBVPROC) (GLuint index, const GLubyte *v); +typedef void (APIENTRYP PFNGLVERTEXATTRIB4NUIVPROC) (GLuint index, const GLuint *v); +typedef void (APIENTRYP PFNGLVERTEXATTRIB4NUSVPROC) (GLuint index, const GLushort *v); +typedef void (APIENTRYP PFNGLVERTEXATTRIB4BVPROC) (GLuint index, const GLbyte *v); +typedef void (APIENTRYP PFNGLVERTEXATTRIB4DPROC) (GLuint index, GLdouble x, GLdouble y, GLdouble z, GLdouble w); +typedef void (APIENTRYP PFNGLVERTEXATTRIB4DVPROC) (GLuint index, const GLdouble *v); +typedef void (APIENTRYP PFNGLVERTEXATTRIB4FPROC) (GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w); +typedef void (APIENTRYP PFNGLVERTEXATTRIB4FVPROC) (GLuint index, const GLfloat *v); +typedef void (APIENTRYP PFNGLVERTEXATTRIB4IVPROC) (GLuint index, const GLint *v); +typedef void (APIENTRYP PFNGLVERTEXATTRIB4SPROC) (GLuint index, GLshort x, GLshort y, GLshort z, GLshort w); +typedef void (APIENTRYP PFNGLVERTEXATTRIB4SVPROC) (GLuint index, const GLshort *v); +typedef void (APIENTRYP PFNGLVERTEXATTRIB4UBVPROC) (GLuint index, const GLubyte *v); +typedef void (APIENTRYP PFNGLVERTEXATTRIB4UIVPROC) (GLuint index, const GLuint *v); +typedef void (APIENTRYP PFNGLVERTEXATTRIB4USVPROC) (GLuint index, const GLushort *v); +typedef void (APIENTRYP PFNGLVERTEXATTRIBPOINTERPROC) (GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid *pointer); +#endif + +#ifndef GL_VERSION_2_1 +#define GL_VERSION_2_1 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glUniformMatrix2x3fv (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +GLAPI void APIENTRY glUniformMatrix3x2fv (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +GLAPI void APIENTRY glUniformMatrix2x4fv (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +GLAPI void APIENTRY glUniformMatrix4x2fv (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +GLAPI void APIENTRY glUniformMatrix3x4fv (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +GLAPI void APIENTRY glUniformMatrix4x3fv (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLUNIFORMMATRIX2X3FVPROC) (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +typedef void (APIENTRYP PFNGLUNIFORMMATRIX3X2FVPROC) (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +typedef void (APIENTRYP PFNGLUNIFORMMATRIX2X4FVPROC) (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +typedef void (APIENTRYP PFNGLUNIFORMMATRIX4X2FVPROC) (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +typedef void (APIENTRYP PFNGLUNIFORMMATRIX3X4FVPROC) (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +typedef void (APIENTRYP PFNGLUNIFORMMATRIX4X3FVPROC) (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +#endif + +#ifndef GL_VERSION_3_0 +#define GL_VERSION_3_0 1 +/* OpenGL 3.0 also reuses entry points from these extensions: */ +/* ARB_framebuffer_object */ +/* ARB_map_buffer_range */ +/* ARB_vertex_array_object */ +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glColorMaski (GLuint index, GLboolean r, GLboolean g, GLboolean b, GLboolean a); +GLAPI void APIENTRY glGetBooleani_v (GLenum target, GLuint index, GLboolean *data); +GLAPI void APIENTRY glGetIntegeri_v (GLenum target, GLuint index, GLint *data); +GLAPI void APIENTRY glEnablei (GLenum target, GLuint index); +GLAPI void APIENTRY glDisablei (GLenum target, GLuint index); +GLAPI GLboolean APIENTRY glIsEnabledi (GLenum target, GLuint index); +GLAPI void APIENTRY glBeginTransformFeedback (GLenum primitiveMode); +GLAPI void APIENTRY glEndTransformFeedback (void); +GLAPI void APIENTRY glBindBufferRange (GLenum target, GLuint index, GLuint buffer, GLintptr offset, GLsizeiptr size); +GLAPI void APIENTRY glBindBufferBase (GLenum target, GLuint index, GLuint buffer); +GLAPI void APIENTRY glTransformFeedbackVaryings (GLuint program, GLsizei count, const GLchar* const *varyings, GLenum bufferMode); +GLAPI void APIENTRY glGetTransformFeedbackVarying (GLuint program, GLuint index, GLsizei bufSize, GLsizei *length, GLsizei *size, GLenum *type, GLchar *name); +GLAPI void APIENTRY glClampColor (GLenum target, GLenum clamp); +GLAPI void APIENTRY glBeginConditionalRender (GLuint id, GLenum mode); +GLAPI void APIENTRY glEndConditionalRender (void); +GLAPI void APIENTRY glVertexAttribIPointer (GLuint index, GLint size, GLenum type, GLsizei stride, const GLvoid *pointer); +GLAPI void APIENTRY glGetVertexAttribIiv (GLuint index, GLenum pname, GLint *params); +GLAPI void APIENTRY glGetVertexAttribIuiv (GLuint index, GLenum pname, GLuint *params); +GLAPI void APIENTRY glVertexAttribI1i (GLuint index, GLint x); +GLAPI void APIENTRY glVertexAttribI2i (GLuint index, GLint x, GLint y); +GLAPI void APIENTRY glVertexAttribI3i (GLuint index, GLint x, GLint y, GLint z); +GLAPI void APIENTRY glVertexAttribI4i (GLuint index, GLint x, GLint y, GLint z, GLint w); +GLAPI void APIENTRY glVertexAttribI1ui (GLuint index, GLuint x); +GLAPI void APIENTRY glVertexAttribI2ui (GLuint index, GLuint x, GLuint y); +GLAPI void APIENTRY glVertexAttribI3ui (GLuint index, GLuint x, GLuint y, GLuint z); +GLAPI void APIENTRY glVertexAttribI4ui (GLuint index, GLuint x, GLuint y, GLuint z, GLuint w); +GLAPI void APIENTRY glVertexAttribI1iv (GLuint index, const GLint *v); +GLAPI void APIENTRY glVertexAttribI2iv (GLuint index, const GLint *v); +GLAPI void APIENTRY glVertexAttribI3iv (GLuint index, const GLint *v); +GLAPI void APIENTRY glVertexAttribI4iv (GLuint index, const GLint *v); +GLAPI void APIENTRY glVertexAttribI1uiv (GLuint index, const GLuint *v); +GLAPI void APIENTRY glVertexAttribI2uiv (GLuint index, const GLuint *v); +GLAPI void APIENTRY glVertexAttribI3uiv (GLuint index, const GLuint *v); +GLAPI void APIENTRY glVertexAttribI4uiv (GLuint index, const GLuint *v); +GLAPI void APIENTRY glVertexAttribI4bv (GLuint index, const GLbyte *v); +GLAPI void APIENTRY glVertexAttribI4sv (GLuint index, const GLshort *v); +GLAPI void APIENTRY glVertexAttribI4ubv (GLuint index, const GLubyte *v); +GLAPI void APIENTRY glVertexAttribI4usv (GLuint index, const GLushort *v); +GLAPI void APIENTRY glGetUniformuiv (GLuint program, GLint location, GLuint *params); +GLAPI void APIENTRY glBindFragDataLocation (GLuint program, GLuint color, const GLchar *name); +GLAPI GLint APIENTRY glGetFragDataLocation (GLuint program, const GLchar *name); +GLAPI void APIENTRY glUniform1ui (GLint location, GLuint v0); +GLAPI void APIENTRY glUniform2ui (GLint location, GLuint v0, GLuint v1); +GLAPI void APIENTRY glUniform3ui (GLint location, GLuint v0, GLuint v1, GLuint v2); +GLAPI void APIENTRY glUniform4ui (GLint location, GLuint v0, GLuint v1, GLuint v2, GLuint v3); +GLAPI void APIENTRY glUniform1uiv (GLint location, GLsizei count, const GLuint *value); +GLAPI void APIENTRY glUniform2uiv (GLint location, GLsizei count, const GLuint *value); +GLAPI void APIENTRY glUniform3uiv (GLint location, GLsizei count, const GLuint *value); +GLAPI void APIENTRY glUniform4uiv (GLint location, GLsizei count, const GLuint *value); +GLAPI void APIENTRY glTexParameterIiv (GLenum target, GLenum pname, const GLint *params); +GLAPI void APIENTRY glTexParameterIuiv (GLenum target, GLenum pname, const GLuint *params); +GLAPI void APIENTRY glGetTexParameterIiv (GLenum target, GLenum pname, GLint *params); +GLAPI void APIENTRY glGetTexParameterIuiv (GLenum target, GLenum pname, GLuint *params); +GLAPI void APIENTRY glClearBufferiv (GLenum buffer, GLint drawbuffer, const GLint *value); +GLAPI void APIENTRY glClearBufferuiv (GLenum buffer, GLint drawbuffer, const GLuint *value); +GLAPI void APIENTRY glClearBufferfv (GLenum buffer, GLint drawbuffer, const GLfloat *value); +GLAPI void APIENTRY glClearBufferfi (GLenum buffer, GLint drawbuffer, GLfloat depth, GLint stencil); +GLAPI const GLubyte * APIENTRY glGetStringi (GLenum name, GLuint index); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLCOLORMASKIPROC) (GLuint index, GLboolean r, GLboolean g, GLboolean b, GLboolean a); +typedef void (APIENTRYP PFNGLGETBOOLEANI_VPROC) (GLenum target, GLuint index, GLboolean *data); +typedef void (APIENTRYP PFNGLGETINTEGERI_VPROC) (GLenum target, GLuint index, GLint *data); +typedef void (APIENTRYP PFNGLENABLEIPROC) (GLenum target, GLuint index); +typedef void (APIENTRYP PFNGLDISABLEIPROC) (GLenum target, GLuint index); +typedef GLboolean (APIENTRYP PFNGLISENABLEDIPROC) (GLenum target, GLuint index); +typedef void (APIENTRYP PFNGLBEGINTRANSFORMFEEDBACKPROC) (GLenum primitiveMode); +typedef void (APIENTRYP PFNGLENDTRANSFORMFEEDBACKPROC) (void); +typedef void (APIENTRYP PFNGLBINDBUFFERRANGEPROC) (GLenum target, GLuint index, GLuint buffer, GLintptr offset, GLsizeiptr size); +typedef void (APIENTRYP PFNGLBINDBUFFERBASEPROC) (GLenum target, GLuint index, GLuint buffer); +typedef void (APIENTRYP PFNGLTRANSFORMFEEDBACKVARYINGSPROC) (GLuint program, GLsizei count, const GLchar* const *varyings, GLenum bufferMode); +typedef void (APIENTRYP PFNGLGETTRANSFORMFEEDBACKVARYINGPROC) (GLuint program, GLuint index, GLsizei bufSize, GLsizei *length, GLsizei *size, GLenum *type, GLchar *name); +typedef void (APIENTRYP PFNGLCLAMPCOLORPROC) (GLenum target, GLenum clamp); +typedef void (APIENTRYP PFNGLBEGINCONDITIONALRENDERPROC) (GLuint id, GLenum mode); +typedef void (APIENTRYP PFNGLENDCONDITIONALRENDERPROC) (void); +typedef void (APIENTRYP PFNGLVERTEXATTRIBIPOINTERPROC) (GLuint index, GLint size, GLenum type, GLsizei stride, const GLvoid *pointer); +typedef void (APIENTRYP PFNGLGETVERTEXATTRIBIIVPROC) (GLuint index, GLenum pname, GLint *params); +typedef void (APIENTRYP PFNGLGETVERTEXATTRIBIUIVPROC) (GLuint index, GLenum pname, GLuint *params); +typedef void (APIENTRYP PFNGLVERTEXATTRIBI1IPROC) (GLuint index, GLint x); +typedef void (APIENTRYP PFNGLVERTEXATTRIBI2IPROC) (GLuint index, GLint x, GLint y); +typedef void (APIENTRYP PFNGLVERTEXATTRIBI3IPROC) (GLuint index, GLint x, GLint y, GLint z); +typedef void (APIENTRYP PFNGLVERTEXATTRIBI4IPROC) (GLuint index, GLint x, GLint y, GLint z, GLint w); +typedef void (APIENTRYP PFNGLVERTEXATTRIBI1UIPROC) (GLuint index, GLuint x); +typedef void (APIENTRYP PFNGLVERTEXATTRIBI2UIPROC) (GLuint index, GLuint x, GLuint y); +typedef void (APIENTRYP PFNGLVERTEXATTRIBI3UIPROC) (GLuint index, GLuint x, GLuint y, GLuint z); +typedef void (APIENTRYP PFNGLVERTEXATTRIBI4UIPROC) (GLuint index, GLuint x, GLuint y, GLuint z, GLuint w); +typedef void (APIENTRYP PFNGLVERTEXATTRIBI1IVPROC) (GLuint index, const GLint *v); +typedef void (APIENTRYP PFNGLVERTEXATTRIBI2IVPROC) (GLuint index, const GLint *v); +typedef void (APIENTRYP PFNGLVERTEXATTRIBI3IVPROC) (GLuint index, const GLint *v); +typedef void (APIENTRYP PFNGLVERTEXATTRIBI4IVPROC) (GLuint index, const GLint *v); +typedef void (APIENTRYP PFNGLVERTEXATTRIBI1UIVPROC) (GLuint index, const GLuint *v); +typedef void (APIENTRYP PFNGLVERTEXATTRIBI2UIVPROC) (GLuint index, const GLuint *v); +typedef void (APIENTRYP PFNGLVERTEXATTRIBI3UIVPROC) (GLuint index, const GLuint *v); +typedef void (APIENTRYP PFNGLVERTEXATTRIBI4UIVPROC) (GLuint index, const GLuint *v); +typedef void (APIENTRYP PFNGLVERTEXATTRIBI4BVPROC) (GLuint index, const GLbyte *v); +typedef void (APIENTRYP PFNGLVERTEXATTRIBI4SVPROC) (GLuint index, const GLshort *v); +typedef void (APIENTRYP PFNGLVERTEXATTRIBI4UBVPROC) (GLuint index, const GLubyte *v); +typedef void (APIENTRYP PFNGLVERTEXATTRIBI4USVPROC) (GLuint index, const GLushort *v); +typedef void (APIENTRYP PFNGLGETUNIFORMUIVPROC) (GLuint program, GLint location, GLuint *params); +typedef void (APIENTRYP PFNGLBINDFRAGDATALOCATIONPROC) (GLuint program, GLuint color, const GLchar *name); +typedef GLint (APIENTRYP PFNGLGETFRAGDATALOCATIONPROC) (GLuint program, const GLchar *name); +typedef void (APIENTRYP PFNGLUNIFORM1UIPROC) (GLint location, GLuint v0); +typedef void (APIENTRYP PFNGLUNIFORM2UIPROC) (GLint location, GLuint v0, GLuint v1); +typedef void (APIENTRYP PFNGLUNIFORM3UIPROC) (GLint location, GLuint v0, GLuint v1, GLuint v2); +typedef void (APIENTRYP PFNGLUNIFORM4UIPROC) (GLint location, GLuint v0, GLuint v1, GLuint v2, GLuint v3); +typedef void (APIENTRYP PFNGLUNIFORM1UIVPROC) (GLint location, GLsizei count, const GLuint *value); +typedef void (APIENTRYP PFNGLUNIFORM2UIVPROC) (GLint location, GLsizei count, const GLuint *value); +typedef void (APIENTRYP PFNGLUNIFORM3UIVPROC) (GLint location, GLsizei count, const GLuint *value); +typedef void (APIENTRYP PFNGLUNIFORM4UIVPROC) (GLint location, GLsizei count, const GLuint *value); +typedef void (APIENTRYP PFNGLTEXPARAMETERIIVPROC) (GLenum target, GLenum pname, const GLint *params); +typedef void (APIENTRYP PFNGLTEXPARAMETERIUIVPROC) (GLenum target, GLenum pname, const GLuint *params); +typedef void (APIENTRYP PFNGLGETTEXPARAMETERIIVPROC) (GLenum target, GLenum pname, GLint *params); +typedef void (APIENTRYP PFNGLGETTEXPARAMETERIUIVPROC) (GLenum target, GLenum pname, GLuint *params); +typedef void (APIENTRYP PFNGLCLEARBUFFERIVPROC) (GLenum buffer, GLint drawbuffer, const GLint *value); +typedef void (APIENTRYP PFNGLCLEARBUFFERUIVPROC) (GLenum buffer, GLint drawbuffer, const GLuint *value); +typedef void (APIENTRYP PFNGLCLEARBUFFERFVPROC) (GLenum buffer, GLint drawbuffer, const GLfloat *value); +typedef void (APIENTRYP PFNGLCLEARBUFFERFIPROC) (GLenum buffer, GLint drawbuffer, GLfloat depth, GLint stencil); +typedef const GLubyte * (APIENTRYP PFNGLGETSTRINGIPROC) (GLenum name, GLuint index); +#endif + +#ifndef GL_VERSION_3_1 +#define GL_VERSION_3_1 1 +/* OpenGL 3.1 also reuses entry points from these extensions: */ +/* ARB_copy_buffer */ +/* ARB_uniform_buffer_object */ +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glDrawArraysInstanced (GLenum mode, GLint first, GLsizei count, GLsizei instancecount); +GLAPI void APIENTRY glDrawElementsInstanced (GLenum mode, GLsizei count, GLenum type, const GLvoid *indices, GLsizei instancecount); +GLAPI void APIENTRY glTexBuffer (GLenum target, GLenum internalformat, GLuint buffer); +GLAPI void APIENTRY glPrimitiveRestartIndex (GLuint index); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLDRAWARRAYSINSTANCEDPROC) (GLenum mode, GLint first, GLsizei count, GLsizei instancecount); +typedef void (APIENTRYP PFNGLDRAWELEMENTSINSTANCEDPROC) (GLenum mode, GLsizei count, GLenum type, const GLvoid *indices, GLsizei instancecount); +typedef void (APIENTRYP PFNGLTEXBUFFERPROC) (GLenum target, GLenum internalformat, GLuint buffer); +typedef void (APIENTRYP PFNGLPRIMITIVERESTARTINDEXPROC) (GLuint index); +#endif + +#ifndef GL_VERSION_3_2 +#define GL_VERSION_3_2 1 +/* OpenGL 3.2 also reuses entry points from these extensions: */ +/* ARB_draw_elements_base_vertex */ +/* ARB_provoking_vertex */ +/* ARB_sync */ +/* ARB_texture_multisample */ +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glGetInteger64i_v (GLenum target, GLuint index, GLint64 *data); +GLAPI void APIENTRY glGetBufferParameteri64v (GLenum target, GLenum pname, GLint64 *params); +GLAPI void APIENTRY glFramebufferTexture (GLenum target, GLenum attachment, GLuint texture, GLint level); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLGETINTEGER64I_VPROC) (GLenum target, GLuint index, GLint64 *data); +typedef void (APIENTRYP PFNGLGETBUFFERPARAMETERI64VPROC) (GLenum target, GLenum pname, GLint64 *params); +typedef void (APIENTRYP PFNGLFRAMEBUFFERTEXTUREPROC) (GLenum target, GLenum attachment, GLuint texture, GLint level); +#endif + +#ifndef GL_VERSION_3_3 +#define GL_VERSION_3_3 1 +/* OpenGL 3.3 also reuses entry points from these extensions: */ +/* ARB_blend_func_extended */ +/* ARB_sampler_objects */ +/* ARB_explicit_attrib_location, but it has none */ +/* ARB_occlusion_query2 (no entry points) */ +/* ARB_shader_bit_encoding (no entry points) */ +/* ARB_texture_rgb10_a2ui (no entry points) */ +/* ARB_texture_swizzle (no entry points) */ +/* ARB_timer_query */ +/* ARB_vertex_type_2_10_10_10_rev */ +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glVertexAttribDivisor (GLuint index, GLuint divisor); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLVERTEXATTRIBDIVISORPROC) (GLuint index, GLuint divisor); +#endif + +#ifndef GL_VERSION_4_0 +#define GL_VERSION_4_0 1 +/* OpenGL 4.0 also reuses entry points from these extensions: */ +/* ARB_texture_query_lod (no entry points) */ +/* ARB_draw_indirect */ +/* ARB_gpu_shader5 (no entry points) */ +/* ARB_gpu_shader_fp64 */ +/* ARB_shader_subroutine */ +/* ARB_tessellation_shader */ +/* ARB_texture_buffer_object_rgb32 (no entry points) */ +/* ARB_texture_cube_map_array (no entry points) */ +/* ARB_texture_gather (no entry points) */ +/* ARB_transform_feedback2 */ +/* ARB_transform_feedback3 */ +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glMinSampleShading (GLfloat value); +GLAPI void APIENTRY glBlendEquationi (GLuint buf, GLenum mode); +GLAPI void APIENTRY glBlendEquationSeparatei (GLuint buf, GLenum modeRGB, GLenum modeAlpha); +GLAPI void APIENTRY glBlendFunci (GLuint buf, GLenum src, GLenum dst); +GLAPI void APIENTRY glBlendFuncSeparatei (GLuint buf, GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum dstAlpha); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLMINSAMPLESHADINGPROC) (GLfloat value); +typedef void (APIENTRYP PFNGLBLENDEQUATIONIPROC) (GLuint buf, GLenum mode); +typedef void (APIENTRYP PFNGLBLENDEQUATIONSEPARATEIPROC) (GLuint buf, GLenum modeRGB, GLenum modeAlpha); +typedef void (APIENTRYP PFNGLBLENDFUNCIPROC) (GLuint buf, GLenum src, GLenum dst); +typedef void (APIENTRYP PFNGLBLENDFUNCSEPARATEIPROC) (GLuint buf, GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum dstAlpha); +#endif + +#ifndef GL_VERSION_4_1 +#define GL_VERSION_4_1 1 +/* OpenGL 4.1 reuses entry points from these extensions: */ +/* ARB_ES2_compatibility */ +/* ARB_get_program_binary */ +/* ARB_separate_shader_objects */ +/* ARB_shader_precision (no entry points) */ +/* ARB_vertex_attrib_64bit */ +/* ARB_viewport_array */ +#endif + +#ifndef GL_VERSION_4_2 +#define GL_VERSION_4_2 1 +/* OpenGL 4.2 reuses entry points from these extensions: */ +/* ARB_base_instance */ +/* ARB_shading_language_420pack (no entry points) */ +/* ARB_transform_feedback_instanced */ +/* ARB_compressed_texture_pixel_storage (no entry points) */ +/* ARB_conservative_depth (no entry points) */ +/* ARB_internalformat_query */ +/* ARB_map_buffer_alignment (no entry points) */ +/* ARB_shader_atomic_counters */ +/* ARB_shader_image_load_store */ +/* ARB_shading_language_packing (no entry points) */ +/* ARB_texture_storage */ +#endif + +#ifndef GL_VERSION_4_3 +#define GL_VERSION_4_3 1 +/* OpenGL 4.3 reuses entry points from these extensions: */ +/* ARB_arrays_of_arrays (no entry points, GLSL only) */ +/* ARB_fragment_layer_viewport (no entry points, GLSL only) */ +/* ARB_shader_image_size (no entry points, GLSL only) */ +/* ARB_ES3_compatibility (no entry points) */ +/* ARB_clear_buffer_object */ +/* ARB_compute_shader */ +/* ARB_copy_image */ +/* KHR_debug (includes ARB_debug_output commands promoted to KHR without suffixes) */ +/* ARB_explicit_uniform_location (no entry points) */ +/* ARB_framebuffer_no_attachments */ +/* ARB_internalformat_query2 */ +/* ARB_invalidate_subdata */ +/* ARB_multi_draw_indirect */ +/* ARB_program_interface_query */ +/* ARB_robust_buffer_access_behavior (no entry points) */ +/* ARB_shader_storage_buffer_object */ +/* ARB_stencil_texturing (no entry points) */ +/* ARB_texture_buffer_range */ +/* ARB_texture_query_levels (no entry points) */ +/* ARB_texture_storage_multisample */ +/* ARB_texture_view */ +/* ARB_vertex_attrib_binding */ +#endif + +#ifndef GL_ARB_depth_buffer_float +#define GL_ARB_depth_buffer_float 1 +#endif + +#ifndef GL_ARB_framebuffer_object +#define GL_ARB_framebuffer_object 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI GLboolean APIENTRY glIsRenderbuffer (GLuint renderbuffer); +GLAPI void APIENTRY glBindRenderbuffer (GLenum target, GLuint renderbuffer); +GLAPI void APIENTRY glDeleteRenderbuffers (GLsizei n, const GLuint *renderbuffers); +GLAPI void APIENTRY glGenRenderbuffers (GLsizei n, GLuint *renderbuffers); +GLAPI void APIENTRY glRenderbufferStorage (GLenum target, GLenum internalformat, GLsizei width, GLsizei height); +GLAPI void APIENTRY glGetRenderbufferParameteriv (GLenum target, GLenum pname, GLint *params); +GLAPI GLboolean APIENTRY glIsFramebuffer (GLuint framebuffer); +GLAPI void APIENTRY glBindFramebuffer (GLenum target, GLuint framebuffer); +GLAPI void APIENTRY glDeleteFramebuffers (GLsizei n, const GLuint *framebuffers); +GLAPI void APIENTRY glGenFramebuffers (GLsizei n, GLuint *framebuffers); +GLAPI GLenum APIENTRY glCheckFramebufferStatus (GLenum target); +GLAPI void APIENTRY glFramebufferTexture1D (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level); +GLAPI void APIENTRY glFramebufferTexture2D (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level); +GLAPI void APIENTRY glFramebufferTexture3D (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLint zoffset); +GLAPI void APIENTRY glFramebufferRenderbuffer (GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer); +GLAPI void APIENTRY glGetFramebufferAttachmentParameteriv (GLenum target, GLenum attachment, GLenum pname, GLint *params); +GLAPI void APIENTRY glGenerateMipmap (GLenum target); +GLAPI void APIENTRY glBlitFramebuffer (GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter); +GLAPI void APIENTRY glRenderbufferStorageMultisample (GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height); +GLAPI void APIENTRY glFramebufferTextureLayer (GLenum target, GLenum attachment, GLuint texture, GLint level, GLint layer); +#endif /* GLCOREARB_PROTOTYPES */ +typedef GLboolean (APIENTRYP PFNGLISRENDERBUFFERPROC) (GLuint renderbuffer); +typedef void (APIENTRYP PFNGLBINDRENDERBUFFERPROC) (GLenum target, GLuint renderbuffer); +typedef void (APIENTRYP PFNGLDELETERENDERBUFFERSPROC) (GLsizei n, const GLuint *renderbuffers); +typedef void (APIENTRYP PFNGLGENRENDERBUFFERSPROC) (GLsizei n, GLuint *renderbuffers); +typedef void (APIENTRYP PFNGLRENDERBUFFERSTORAGEPROC) (GLenum target, GLenum internalformat, GLsizei width, GLsizei height); +typedef void (APIENTRYP PFNGLGETRENDERBUFFERPARAMETERIVPROC) (GLenum target, GLenum pname, GLint *params); +typedef GLboolean (APIENTRYP PFNGLISFRAMEBUFFERPROC) (GLuint framebuffer); +typedef void (APIENTRYP PFNGLBINDFRAMEBUFFERPROC) (GLenum target, GLuint framebuffer); +typedef void (APIENTRYP PFNGLDELETEFRAMEBUFFERSPROC) (GLsizei n, const GLuint *framebuffers); +typedef void (APIENTRYP PFNGLGENFRAMEBUFFERSPROC) (GLsizei n, GLuint *framebuffers); +typedef GLenum (APIENTRYP PFNGLCHECKFRAMEBUFFERSTATUSPROC) (GLenum target); +typedef void (APIENTRYP PFNGLFRAMEBUFFERTEXTURE1DPROC) (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level); +typedef void (APIENTRYP PFNGLFRAMEBUFFERTEXTURE2DPROC) (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level); +typedef void (APIENTRYP PFNGLFRAMEBUFFERTEXTURE3DPROC) (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLint zoffset); +typedef void (APIENTRYP PFNGLFRAMEBUFFERRENDERBUFFERPROC) (GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer); +typedef void (APIENTRYP PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC) (GLenum target, GLenum attachment, GLenum pname, GLint *params); +typedef void (APIENTRYP PFNGLGENERATEMIPMAPPROC) (GLenum target); +typedef void (APIENTRYP PFNGLBLITFRAMEBUFFERPROC) (GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter); +typedef void (APIENTRYP PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC) (GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height); +typedef void (APIENTRYP PFNGLFRAMEBUFFERTEXTURELAYERPROC) (GLenum target, GLenum attachment, GLuint texture, GLint level, GLint layer); +#endif + +#ifndef GL_ARB_framebuffer_sRGB +#define GL_ARB_framebuffer_sRGB 1 +#endif + +#ifndef GL_ARB_half_float_vertex +#define GL_ARB_half_float_vertex 1 +#endif + +#ifndef GL_ARB_map_buffer_range +#define GL_ARB_map_buffer_range 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI GLvoid* APIENTRY glMapBufferRange (GLenum target, GLintptr offset, GLsizeiptr length, GLbitfield access); +GLAPI void APIENTRY glFlushMappedBufferRange (GLenum target, GLintptr offset, GLsizeiptr length); +#endif /* GLCOREARB_PROTOTYPES */ +typedef GLvoid* (APIENTRYP PFNGLMAPBUFFERRANGEPROC) (GLenum target, GLintptr offset, GLsizeiptr length, GLbitfield access); +typedef void (APIENTRYP PFNGLFLUSHMAPPEDBUFFERRANGEPROC) (GLenum target, GLintptr offset, GLsizeiptr length); +#endif + +#ifndef GL_ARB_texture_compression_rgtc +#define GL_ARB_texture_compression_rgtc 1 +#endif + +#ifndef GL_ARB_texture_rg +#define GL_ARB_texture_rg 1 +#endif + +#ifndef GL_ARB_vertex_array_object +#define GL_ARB_vertex_array_object 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glBindVertexArray (GLuint array); +GLAPI void APIENTRY glDeleteVertexArrays (GLsizei n, const GLuint *arrays); +GLAPI void APIENTRY glGenVertexArrays (GLsizei n, GLuint *arrays); +GLAPI GLboolean APIENTRY glIsVertexArray (GLuint array); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLBINDVERTEXARRAYPROC) (GLuint array); +typedef void (APIENTRYP PFNGLDELETEVERTEXARRAYSPROC) (GLsizei n, const GLuint *arrays); +typedef void (APIENTRYP PFNGLGENVERTEXARRAYSPROC) (GLsizei n, GLuint *arrays); +typedef GLboolean (APIENTRYP PFNGLISVERTEXARRAYPROC) (GLuint array); +#endif + +#ifndef GL_ARB_uniform_buffer_object +#define GL_ARB_uniform_buffer_object 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glGetUniformIndices (GLuint program, GLsizei uniformCount, const GLchar* const *uniformNames, GLuint *uniformIndices); +GLAPI void APIENTRY glGetActiveUniformsiv (GLuint program, GLsizei uniformCount, const GLuint *uniformIndices, GLenum pname, GLint *params); +GLAPI void APIENTRY glGetActiveUniformName (GLuint program, GLuint uniformIndex, GLsizei bufSize, GLsizei *length, GLchar *uniformName); +GLAPI GLuint APIENTRY glGetUniformBlockIndex (GLuint program, const GLchar *uniformBlockName); +GLAPI void APIENTRY glGetActiveUniformBlockiv (GLuint program, GLuint uniformBlockIndex, GLenum pname, GLint *params); +GLAPI void APIENTRY glGetActiveUniformBlockName (GLuint program, GLuint uniformBlockIndex, GLsizei bufSize, GLsizei *length, GLchar *uniformBlockName); +GLAPI void APIENTRY glUniformBlockBinding (GLuint program, GLuint uniformBlockIndex, GLuint uniformBlockBinding); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLGETUNIFORMINDICESPROC) (GLuint program, GLsizei uniformCount, const GLchar* const *uniformNames, GLuint *uniformIndices); +typedef void (APIENTRYP PFNGLGETACTIVEUNIFORMSIVPROC) (GLuint program, GLsizei uniformCount, const GLuint *uniformIndices, GLenum pname, GLint *params); +typedef void (APIENTRYP PFNGLGETACTIVEUNIFORMNAMEPROC) (GLuint program, GLuint uniformIndex, GLsizei bufSize, GLsizei *length, GLchar *uniformName); +typedef GLuint (APIENTRYP PFNGLGETUNIFORMBLOCKINDEXPROC) (GLuint program, const GLchar *uniformBlockName); +typedef void (APIENTRYP PFNGLGETACTIVEUNIFORMBLOCKIVPROC) (GLuint program, GLuint uniformBlockIndex, GLenum pname, GLint *params); +typedef void (APIENTRYP PFNGLGETACTIVEUNIFORMBLOCKNAMEPROC) (GLuint program, GLuint uniformBlockIndex, GLsizei bufSize, GLsizei *length, GLchar *uniformBlockName); +typedef void (APIENTRYP PFNGLUNIFORMBLOCKBINDINGPROC) (GLuint program, GLuint uniformBlockIndex, GLuint uniformBlockBinding); +#endif + +#ifndef GL_ARB_copy_buffer +#define GL_ARB_copy_buffer 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glCopyBufferSubData (GLenum readTarget, GLenum writeTarget, GLintptr readOffset, GLintptr writeOffset, GLsizeiptr size); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLCOPYBUFFERSUBDATAPROC) (GLenum readTarget, GLenum writeTarget, GLintptr readOffset, GLintptr writeOffset, GLsizeiptr size); +#endif + +#ifndef GL_ARB_depth_clamp +#define GL_ARB_depth_clamp 1 +#endif + +#ifndef GL_ARB_draw_elements_base_vertex +#define GL_ARB_draw_elements_base_vertex 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glDrawElementsBaseVertex (GLenum mode, GLsizei count, GLenum type, const GLvoid *indices, GLint basevertex); +GLAPI void APIENTRY glDrawRangeElementsBaseVertex (GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices, GLint basevertex); +GLAPI void APIENTRY glDrawElementsInstancedBaseVertex (GLenum mode, GLsizei count, GLenum type, const GLvoid *indices, GLsizei instancecount, GLint basevertex); +GLAPI void APIENTRY glMultiDrawElementsBaseVertex (GLenum mode, const GLsizei *count, GLenum type, const GLvoid* const *indices, GLsizei drawcount, const GLint *basevertex); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLDRAWELEMENTSBASEVERTEXPROC) (GLenum mode, GLsizei count, GLenum type, const GLvoid *indices, GLint basevertex); +typedef void (APIENTRYP PFNGLDRAWRANGEELEMENTSBASEVERTEXPROC) (GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices, GLint basevertex); +typedef void (APIENTRYP PFNGLDRAWELEMENTSINSTANCEDBASEVERTEXPROC) (GLenum mode, GLsizei count, GLenum type, const GLvoid *indices, GLsizei instancecount, GLint basevertex); +typedef void (APIENTRYP PFNGLMULTIDRAWELEMENTSBASEVERTEXPROC) (GLenum mode, const GLsizei *count, GLenum type, const GLvoid* const *indices, GLsizei drawcount, const GLint *basevertex); +#endif + +#ifndef GL_ARB_fragment_coord_conventions +#define GL_ARB_fragment_coord_conventions 1 +#endif + +#ifndef GL_ARB_provoking_vertex +#define GL_ARB_provoking_vertex 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glProvokingVertex (GLenum mode); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLPROVOKINGVERTEXPROC) (GLenum mode); +#endif + +#ifndef GL_ARB_seamless_cube_map +#define GL_ARB_seamless_cube_map 1 +#endif + +#ifndef GL_ARB_sync +#define GL_ARB_sync 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI GLsync APIENTRY glFenceSync (GLenum condition, GLbitfield flags); +GLAPI GLboolean APIENTRY glIsSync (GLsync sync); +GLAPI void APIENTRY glDeleteSync (GLsync sync); +GLAPI GLenum APIENTRY glClientWaitSync (GLsync sync, GLbitfield flags, GLuint64 timeout); +GLAPI void APIENTRY glWaitSync (GLsync sync, GLbitfield flags, GLuint64 timeout); +GLAPI void APIENTRY glGetInteger64v (GLenum pname, GLint64 *params); +GLAPI void APIENTRY glGetSynciv (GLsync sync, GLenum pname, GLsizei bufSize, GLsizei *length, GLint *values); +#endif /* GLCOREARB_PROTOTYPES */ +typedef GLsync (APIENTRYP PFNGLFENCESYNCPROC) (GLenum condition, GLbitfield flags); +typedef GLboolean (APIENTRYP PFNGLISSYNCPROC) (GLsync sync); +typedef void (APIENTRYP PFNGLDELETESYNCPROC) (GLsync sync); +typedef GLenum (APIENTRYP PFNGLCLIENTWAITSYNCPROC) (GLsync sync, GLbitfield flags, GLuint64 timeout); +typedef void (APIENTRYP PFNGLWAITSYNCPROC) (GLsync sync, GLbitfield flags, GLuint64 timeout); +typedef void (APIENTRYP PFNGLGETINTEGER64VPROC) (GLenum pname, GLint64 *params); +typedef void (APIENTRYP PFNGLGETSYNCIVPROC) (GLsync sync, GLenum pname, GLsizei bufSize, GLsizei *length, GLint *values); +#endif + +#ifndef GL_ARB_texture_multisample +#define GL_ARB_texture_multisample 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glTexImage2DMultisample (GLenum target, GLsizei samples, GLint internalformat, GLsizei width, GLsizei height, GLboolean fixedsamplelocations); +GLAPI void APIENTRY glTexImage3DMultisample (GLenum target, GLsizei samples, GLint internalformat, GLsizei width, GLsizei height, GLsizei depth, GLboolean fixedsamplelocations); +GLAPI void APIENTRY glGetMultisamplefv (GLenum pname, GLuint index, GLfloat *val); +GLAPI void APIENTRY glSampleMaski (GLuint index, GLbitfield mask); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLTEXIMAGE2DMULTISAMPLEPROC) (GLenum target, GLsizei samples, GLint internalformat, GLsizei width, GLsizei height, GLboolean fixedsamplelocations); +typedef void (APIENTRYP PFNGLTEXIMAGE3DMULTISAMPLEPROC) (GLenum target, GLsizei samples, GLint internalformat, GLsizei width, GLsizei height, GLsizei depth, GLboolean fixedsamplelocations); +typedef void (APIENTRYP PFNGLGETMULTISAMPLEFVPROC) (GLenum pname, GLuint index, GLfloat *val); +typedef void (APIENTRYP PFNGLSAMPLEMASKIPROC) (GLuint index, GLbitfield mask); +#endif + +#ifndef GL_ARB_vertex_array_bgra +#define GL_ARB_vertex_array_bgra 1 +#endif + +#ifndef GL_ARB_draw_buffers_blend +#define GL_ARB_draw_buffers_blend 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glBlendEquationiARB (GLuint buf, GLenum mode); +GLAPI void APIENTRY glBlendEquationSeparateiARB (GLuint buf, GLenum modeRGB, GLenum modeAlpha); +GLAPI void APIENTRY glBlendFunciARB (GLuint buf, GLenum src, GLenum dst); +GLAPI void APIENTRY glBlendFuncSeparateiARB (GLuint buf, GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum dstAlpha); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLBLENDEQUATIONIARBPROC) (GLuint buf, GLenum mode); +typedef void (APIENTRYP PFNGLBLENDEQUATIONSEPARATEIARBPROC) (GLuint buf, GLenum modeRGB, GLenum modeAlpha); +typedef void (APIENTRYP PFNGLBLENDFUNCIARBPROC) (GLuint buf, GLenum src, GLenum dst); +typedef void (APIENTRYP PFNGLBLENDFUNCSEPARATEIARBPROC) (GLuint buf, GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum dstAlpha); +#endif + +#ifndef GL_ARB_sample_shading +#define GL_ARB_sample_shading 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glMinSampleShadingARB (GLfloat value); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLMINSAMPLESHADINGARBPROC) (GLfloat value); +#endif + +#ifndef GL_ARB_texture_cube_map_array +#define GL_ARB_texture_cube_map_array 1 +#endif + +#ifndef GL_ARB_texture_gather +#define GL_ARB_texture_gather 1 +#endif + +#ifndef GL_ARB_texture_query_lod +#define GL_ARB_texture_query_lod 1 +#endif + +#ifndef GL_ARB_shading_language_include +#define GL_ARB_shading_language_include 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glNamedStringARB (GLenum type, GLint namelen, const GLchar *name, GLint stringlen, const GLchar *string); +GLAPI void APIENTRY glDeleteNamedStringARB (GLint namelen, const GLchar *name); +GLAPI void APIENTRY glCompileShaderIncludeARB (GLuint shader, GLsizei count, const GLchar* *path, const GLint *length); +GLAPI GLboolean APIENTRY glIsNamedStringARB (GLint namelen, const GLchar *name); +GLAPI void APIENTRY glGetNamedStringARB (GLint namelen, const GLchar *name, GLsizei bufSize, GLint *stringlen, GLchar *string); +GLAPI void APIENTRY glGetNamedStringivARB (GLint namelen, const GLchar *name, GLenum pname, GLint *params); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLNAMEDSTRINGARBPROC) (GLenum type, GLint namelen, const GLchar *name, GLint stringlen, const GLchar *string); +typedef void (APIENTRYP PFNGLDELETENAMEDSTRINGARBPROC) (GLint namelen, const GLchar *name); +typedef void (APIENTRYP PFNGLCOMPILESHADERINCLUDEARBPROC) (GLuint shader, GLsizei count, const GLchar* *path, const GLint *length); +typedef GLboolean (APIENTRYP PFNGLISNAMEDSTRINGARBPROC) (GLint namelen, const GLchar *name); +typedef void (APIENTRYP PFNGLGETNAMEDSTRINGARBPROC) (GLint namelen, const GLchar *name, GLsizei bufSize, GLint *stringlen, GLchar *string); +typedef void (APIENTRYP PFNGLGETNAMEDSTRINGIVARBPROC) (GLint namelen, const GLchar *name, GLenum pname, GLint *params); +#endif + +#ifndef GL_ARB_texture_compression_bptc +#define GL_ARB_texture_compression_bptc 1 +#endif + +#ifndef GL_ARB_blend_func_extended +#define GL_ARB_blend_func_extended 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glBindFragDataLocationIndexed (GLuint program, GLuint colorNumber, GLuint index, const GLchar *name); +GLAPI GLint APIENTRY glGetFragDataIndex (GLuint program, const GLchar *name); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLBINDFRAGDATALOCATIONINDEXEDPROC) (GLuint program, GLuint colorNumber, GLuint index, const GLchar *name); +typedef GLint (APIENTRYP PFNGLGETFRAGDATAINDEXPROC) (GLuint program, const GLchar *name); +#endif + +#ifndef GL_ARB_explicit_attrib_location +#define GL_ARB_explicit_attrib_location 1 +#endif + +#ifndef GL_ARB_occlusion_query2 +#define GL_ARB_occlusion_query2 1 +#endif + +#ifndef GL_ARB_sampler_objects +#define GL_ARB_sampler_objects 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glGenSamplers (GLsizei count, GLuint *samplers); +GLAPI void APIENTRY glDeleteSamplers (GLsizei count, const GLuint *samplers); +GLAPI GLboolean APIENTRY glIsSampler (GLuint sampler); +GLAPI void APIENTRY glBindSampler (GLuint unit, GLuint sampler); +GLAPI void APIENTRY glSamplerParameteri (GLuint sampler, GLenum pname, GLint param); +GLAPI void APIENTRY glSamplerParameteriv (GLuint sampler, GLenum pname, const GLint *param); +GLAPI void APIENTRY glSamplerParameterf (GLuint sampler, GLenum pname, GLfloat param); +GLAPI void APIENTRY glSamplerParameterfv (GLuint sampler, GLenum pname, const GLfloat *param); +GLAPI void APIENTRY glSamplerParameterIiv (GLuint sampler, GLenum pname, const GLint *param); +GLAPI void APIENTRY glSamplerParameterIuiv (GLuint sampler, GLenum pname, const GLuint *param); +GLAPI void APIENTRY glGetSamplerParameteriv (GLuint sampler, GLenum pname, GLint *params); +GLAPI void APIENTRY glGetSamplerParameterIiv (GLuint sampler, GLenum pname, GLint *params); +GLAPI void APIENTRY glGetSamplerParameterfv (GLuint sampler, GLenum pname, GLfloat *params); +GLAPI void APIENTRY glGetSamplerParameterIuiv (GLuint sampler, GLenum pname, GLuint *params); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLGENSAMPLERSPROC) (GLsizei count, GLuint *samplers); +typedef void (APIENTRYP PFNGLDELETESAMPLERSPROC) (GLsizei count, const GLuint *samplers); +typedef GLboolean (APIENTRYP PFNGLISSAMPLERPROC) (GLuint sampler); +typedef void (APIENTRYP PFNGLBINDSAMPLERPROC) (GLuint unit, GLuint sampler); +typedef void (APIENTRYP PFNGLSAMPLERPARAMETERIPROC) (GLuint sampler, GLenum pname, GLint param); +typedef void (APIENTRYP PFNGLSAMPLERPARAMETERIVPROC) (GLuint sampler, GLenum pname, const GLint *param); +typedef void (APIENTRYP PFNGLSAMPLERPARAMETERFPROC) (GLuint sampler, GLenum pname, GLfloat param); +typedef void (APIENTRYP PFNGLSAMPLERPARAMETERFVPROC) (GLuint sampler, GLenum pname, const GLfloat *param); +typedef void (APIENTRYP PFNGLSAMPLERPARAMETERIIVPROC) (GLuint sampler, GLenum pname, const GLint *param); +typedef void (APIENTRYP PFNGLSAMPLERPARAMETERIUIVPROC) (GLuint sampler, GLenum pname, const GLuint *param); +typedef void (APIENTRYP PFNGLGETSAMPLERPARAMETERIVPROC) (GLuint sampler, GLenum pname, GLint *params); +typedef void (APIENTRYP PFNGLGETSAMPLERPARAMETERIIVPROC) (GLuint sampler, GLenum pname, GLint *params); +typedef void (APIENTRYP PFNGLGETSAMPLERPARAMETERFVPROC) (GLuint sampler, GLenum pname, GLfloat *params); +typedef void (APIENTRYP PFNGLGETSAMPLERPARAMETERIUIVPROC) (GLuint sampler, GLenum pname, GLuint *params); +#endif + +#ifndef GL_ARB_shader_bit_encoding +#define GL_ARB_shader_bit_encoding 1 +#endif + +#ifndef GL_ARB_texture_rgb10_a2ui +#define GL_ARB_texture_rgb10_a2ui 1 +#endif + +#ifndef GL_ARB_texture_swizzle +#define GL_ARB_texture_swizzle 1 +#endif + +#ifndef GL_ARB_timer_query +#define GL_ARB_timer_query 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glQueryCounter (GLuint id, GLenum target); +GLAPI void APIENTRY glGetQueryObjecti64v (GLuint id, GLenum pname, GLint64 *params); +GLAPI void APIENTRY glGetQueryObjectui64v (GLuint id, GLenum pname, GLuint64 *params); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLQUERYCOUNTERPROC) (GLuint id, GLenum target); +typedef void (APIENTRYP PFNGLGETQUERYOBJECTI64VPROC) (GLuint id, GLenum pname, GLint64 *params); +typedef void (APIENTRYP PFNGLGETQUERYOBJECTUI64VPROC) (GLuint id, GLenum pname, GLuint64 *params); +#endif + +#ifndef GL_ARB_vertex_type_2_10_10_10_rev +#define GL_ARB_vertex_type_2_10_10_10_rev 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glVertexP2ui (GLenum type, GLuint value); +GLAPI void APIENTRY glVertexP2uiv (GLenum type, const GLuint *value); +GLAPI void APIENTRY glVertexP3ui (GLenum type, GLuint value); +GLAPI void APIENTRY glVertexP3uiv (GLenum type, const GLuint *value); +GLAPI void APIENTRY glVertexP4ui (GLenum type, GLuint value); +GLAPI void APIENTRY glVertexP4uiv (GLenum type, const GLuint *value); +GLAPI void APIENTRY glTexCoordP1ui (GLenum type, GLuint coords); +GLAPI void APIENTRY glTexCoordP1uiv (GLenum type, const GLuint *coords); +GLAPI void APIENTRY glTexCoordP2ui (GLenum type, GLuint coords); +GLAPI void APIENTRY glTexCoordP2uiv (GLenum type, const GLuint *coords); +GLAPI void APIENTRY glTexCoordP3ui (GLenum type, GLuint coords); +GLAPI void APIENTRY glTexCoordP3uiv (GLenum type, const GLuint *coords); +GLAPI void APIENTRY glTexCoordP4ui (GLenum type, GLuint coords); +GLAPI void APIENTRY glTexCoordP4uiv (GLenum type, const GLuint *coords); +GLAPI void APIENTRY glMultiTexCoordP1ui (GLenum texture, GLenum type, GLuint coords); +GLAPI void APIENTRY glMultiTexCoordP1uiv (GLenum texture, GLenum type, const GLuint *coords); +GLAPI void APIENTRY glMultiTexCoordP2ui (GLenum texture, GLenum type, GLuint coords); +GLAPI void APIENTRY glMultiTexCoordP2uiv (GLenum texture, GLenum type, const GLuint *coords); +GLAPI void APIENTRY glMultiTexCoordP3ui (GLenum texture, GLenum type, GLuint coords); +GLAPI void APIENTRY glMultiTexCoordP3uiv (GLenum texture, GLenum type, const GLuint *coords); +GLAPI void APIENTRY glMultiTexCoordP4ui (GLenum texture, GLenum type, GLuint coords); +GLAPI void APIENTRY glMultiTexCoordP4uiv (GLenum texture, GLenum type, const GLuint *coords); +GLAPI void APIENTRY glNormalP3ui (GLenum type, GLuint coords); +GLAPI void APIENTRY glNormalP3uiv (GLenum type, const GLuint *coords); +GLAPI void APIENTRY glColorP3ui (GLenum type, GLuint color); +GLAPI void APIENTRY glColorP3uiv (GLenum type, const GLuint *color); +GLAPI void APIENTRY glColorP4ui (GLenum type, GLuint color); +GLAPI void APIENTRY glColorP4uiv (GLenum type, const GLuint *color); +GLAPI void APIENTRY glSecondaryColorP3ui (GLenum type, GLuint color); +GLAPI void APIENTRY glSecondaryColorP3uiv (GLenum type, const GLuint *color); +GLAPI void APIENTRY glVertexAttribP1ui (GLuint index, GLenum type, GLboolean normalized, GLuint value); +GLAPI void APIENTRY glVertexAttribP1uiv (GLuint index, GLenum type, GLboolean normalized, const GLuint *value); +GLAPI void APIENTRY glVertexAttribP2ui (GLuint index, GLenum type, GLboolean normalized, GLuint value); +GLAPI void APIENTRY glVertexAttribP2uiv (GLuint index, GLenum type, GLboolean normalized, const GLuint *value); +GLAPI void APIENTRY glVertexAttribP3ui (GLuint index, GLenum type, GLboolean normalized, GLuint value); +GLAPI void APIENTRY glVertexAttribP3uiv (GLuint index, GLenum type, GLboolean normalized, const GLuint *value); +GLAPI void APIENTRY glVertexAttribP4ui (GLuint index, GLenum type, GLboolean normalized, GLuint value); +GLAPI void APIENTRY glVertexAttribP4uiv (GLuint index, GLenum type, GLboolean normalized, const GLuint *value); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLVERTEXP2UIPROC) (GLenum type, GLuint value); +typedef void (APIENTRYP PFNGLVERTEXP2UIVPROC) (GLenum type, const GLuint *value); +typedef void (APIENTRYP PFNGLVERTEXP3UIPROC) (GLenum type, GLuint value); +typedef void (APIENTRYP PFNGLVERTEXP3UIVPROC) (GLenum type, const GLuint *value); +typedef void (APIENTRYP PFNGLVERTEXP4UIPROC) (GLenum type, GLuint value); +typedef void (APIENTRYP PFNGLVERTEXP4UIVPROC) (GLenum type, const GLuint *value); +typedef void (APIENTRYP PFNGLTEXCOORDP1UIPROC) (GLenum type, GLuint coords); +typedef void (APIENTRYP PFNGLTEXCOORDP1UIVPROC) (GLenum type, const GLuint *coords); +typedef void (APIENTRYP PFNGLTEXCOORDP2UIPROC) (GLenum type, GLuint coords); +typedef void (APIENTRYP PFNGLTEXCOORDP2UIVPROC) (GLenum type, const GLuint *coords); +typedef void (APIENTRYP PFNGLTEXCOORDP3UIPROC) (GLenum type, GLuint coords); +typedef void (APIENTRYP PFNGLTEXCOORDP3UIVPROC) (GLenum type, const GLuint *coords); +typedef void (APIENTRYP PFNGLTEXCOORDP4UIPROC) (GLenum type, GLuint coords); +typedef void (APIENTRYP PFNGLTEXCOORDP4UIVPROC) (GLenum type, const GLuint *coords); +typedef void (APIENTRYP PFNGLMULTITEXCOORDP1UIPROC) (GLenum texture, GLenum type, GLuint coords); +typedef void (APIENTRYP PFNGLMULTITEXCOORDP1UIVPROC) (GLenum texture, GLenum type, const GLuint *coords); +typedef void (APIENTRYP PFNGLMULTITEXCOORDP2UIPROC) (GLenum texture, GLenum type, GLuint coords); +typedef void (APIENTRYP PFNGLMULTITEXCOORDP2UIVPROC) (GLenum texture, GLenum type, const GLuint *coords); +typedef void (APIENTRYP PFNGLMULTITEXCOORDP3UIPROC) (GLenum texture, GLenum type, GLuint coords); +typedef void (APIENTRYP PFNGLMULTITEXCOORDP3UIVPROC) (GLenum texture, GLenum type, const GLuint *coords); +typedef void (APIENTRYP PFNGLMULTITEXCOORDP4UIPROC) (GLenum texture, GLenum type, GLuint coords); +typedef void (APIENTRYP PFNGLMULTITEXCOORDP4UIVPROC) (GLenum texture, GLenum type, const GLuint *coords); +typedef void (APIENTRYP PFNGLNORMALP3UIPROC) (GLenum type, GLuint coords); +typedef void (APIENTRYP PFNGLNORMALP3UIVPROC) (GLenum type, const GLuint *coords); +typedef void (APIENTRYP PFNGLCOLORP3UIPROC) (GLenum type, GLuint color); +typedef void (APIENTRYP PFNGLCOLORP3UIVPROC) (GLenum type, const GLuint *color); +typedef void (APIENTRYP PFNGLCOLORP4UIPROC) (GLenum type, GLuint color); +typedef void (APIENTRYP PFNGLCOLORP4UIVPROC) (GLenum type, const GLuint *color); +typedef void (APIENTRYP PFNGLSECONDARYCOLORP3UIPROC) (GLenum type, GLuint color); +typedef void (APIENTRYP PFNGLSECONDARYCOLORP3UIVPROC) (GLenum type, const GLuint *color); +typedef void (APIENTRYP PFNGLVERTEXATTRIBP1UIPROC) (GLuint index, GLenum type, GLboolean normalized, GLuint value); +typedef void (APIENTRYP PFNGLVERTEXATTRIBP1UIVPROC) (GLuint index, GLenum type, GLboolean normalized, const GLuint *value); +typedef void (APIENTRYP PFNGLVERTEXATTRIBP2UIPROC) (GLuint index, GLenum type, GLboolean normalized, GLuint value); +typedef void (APIENTRYP PFNGLVERTEXATTRIBP2UIVPROC) (GLuint index, GLenum type, GLboolean normalized, const GLuint *value); +typedef void (APIENTRYP PFNGLVERTEXATTRIBP3UIPROC) (GLuint index, GLenum type, GLboolean normalized, GLuint value); +typedef void (APIENTRYP PFNGLVERTEXATTRIBP3UIVPROC) (GLuint index, GLenum type, GLboolean normalized, const GLuint *value); +typedef void (APIENTRYP PFNGLVERTEXATTRIBP4UIPROC) (GLuint index, GLenum type, GLboolean normalized, GLuint value); +typedef void (APIENTRYP PFNGLVERTEXATTRIBP4UIVPROC) (GLuint index, GLenum type, GLboolean normalized, const GLuint *value); +#endif + +#ifndef GL_ARB_draw_indirect +#define GL_ARB_draw_indirect 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glDrawArraysIndirect (GLenum mode, const GLvoid *indirect); +GLAPI void APIENTRY glDrawElementsIndirect (GLenum mode, GLenum type, const GLvoid *indirect); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLDRAWARRAYSINDIRECTPROC) (GLenum mode, const GLvoid *indirect); +typedef void (APIENTRYP PFNGLDRAWELEMENTSINDIRECTPROC) (GLenum mode, GLenum type, const GLvoid *indirect); +#endif + +#ifndef GL_ARB_gpu_shader5 +#define GL_ARB_gpu_shader5 1 +#endif + +#ifndef GL_ARB_gpu_shader_fp64 +#define GL_ARB_gpu_shader_fp64 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glUniform1d (GLint location, GLdouble x); +GLAPI void APIENTRY glUniform2d (GLint location, GLdouble x, GLdouble y); +GLAPI void APIENTRY glUniform3d (GLint location, GLdouble x, GLdouble y, GLdouble z); +GLAPI void APIENTRY glUniform4d (GLint location, GLdouble x, GLdouble y, GLdouble z, GLdouble w); +GLAPI void APIENTRY glUniform1dv (GLint location, GLsizei count, const GLdouble *value); +GLAPI void APIENTRY glUniform2dv (GLint location, GLsizei count, const GLdouble *value); +GLAPI void APIENTRY glUniform3dv (GLint location, GLsizei count, const GLdouble *value); +GLAPI void APIENTRY glUniform4dv (GLint location, GLsizei count, const GLdouble *value); +GLAPI void APIENTRY glUniformMatrix2dv (GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +GLAPI void APIENTRY glUniformMatrix3dv (GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +GLAPI void APIENTRY glUniformMatrix4dv (GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +GLAPI void APIENTRY glUniformMatrix2x3dv (GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +GLAPI void APIENTRY glUniformMatrix2x4dv (GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +GLAPI void APIENTRY glUniformMatrix3x2dv (GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +GLAPI void APIENTRY glUniformMatrix3x4dv (GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +GLAPI void APIENTRY glUniformMatrix4x2dv (GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +GLAPI void APIENTRY glUniformMatrix4x3dv (GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +GLAPI void APIENTRY glGetUniformdv (GLuint program, GLint location, GLdouble *params); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLUNIFORM1DPROC) (GLint location, GLdouble x); +typedef void (APIENTRYP PFNGLUNIFORM2DPROC) (GLint location, GLdouble x, GLdouble y); +typedef void (APIENTRYP PFNGLUNIFORM3DPROC) (GLint location, GLdouble x, GLdouble y, GLdouble z); +typedef void (APIENTRYP PFNGLUNIFORM4DPROC) (GLint location, GLdouble x, GLdouble y, GLdouble z, GLdouble w); +typedef void (APIENTRYP PFNGLUNIFORM1DVPROC) (GLint location, GLsizei count, const GLdouble *value); +typedef void (APIENTRYP PFNGLUNIFORM2DVPROC) (GLint location, GLsizei count, const GLdouble *value); +typedef void (APIENTRYP PFNGLUNIFORM3DVPROC) (GLint location, GLsizei count, const GLdouble *value); +typedef void (APIENTRYP PFNGLUNIFORM4DVPROC) (GLint location, GLsizei count, const GLdouble *value); +typedef void (APIENTRYP PFNGLUNIFORMMATRIX2DVPROC) (GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +typedef void (APIENTRYP PFNGLUNIFORMMATRIX3DVPROC) (GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +typedef void (APIENTRYP PFNGLUNIFORMMATRIX4DVPROC) (GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +typedef void (APIENTRYP PFNGLUNIFORMMATRIX2X3DVPROC) (GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +typedef void (APIENTRYP PFNGLUNIFORMMATRIX2X4DVPROC) (GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +typedef void (APIENTRYP PFNGLUNIFORMMATRIX3X2DVPROC) (GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +typedef void (APIENTRYP PFNGLUNIFORMMATRIX3X4DVPROC) (GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +typedef void (APIENTRYP PFNGLUNIFORMMATRIX4X2DVPROC) (GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +typedef void (APIENTRYP PFNGLUNIFORMMATRIX4X3DVPROC) (GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +typedef void (APIENTRYP PFNGLGETUNIFORMDVPROC) (GLuint program, GLint location, GLdouble *params); +#endif + +#ifndef GL_ARB_shader_subroutine +#define GL_ARB_shader_subroutine 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI GLint APIENTRY glGetSubroutineUniformLocation (GLuint program, GLenum shadertype, const GLchar *name); +GLAPI GLuint APIENTRY glGetSubroutineIndex (GLuint program, GLenum shadertype, const GLchar *name); +GLAPI void APIENTRY glGetActiveSubroutineUniformiv (GLuint program, GLenum shadertype, GLuint index, GLenum pname, GLint *values); +GLAPI void APIENTRY glGetActiveSubroutineUniformName (GLuint program, GLenum shadertype, GLuint index, GLsizei bufsize, GLsizei *length, GLchar *name); +GLAPI void APIENTRY glGetActiveSubroutineName (GLuint program, GLenum shadertype, GLuint index, GLsizei bufsize, GLsizei *length, GLchar *name); +GLAPI void APIENTRY glUniformSubroutinesuiv (GLenum shadertype, GLsizei count, const GLuint *indices); +GLAPI void APIENTRY glGetUniformSubroutineuiv (GLenum shadertype, GLint location, GLuint *params); +GLAPI void APIENTRY glGetProgramStageiv (GLuint program, GLenum shadertype, GLenum pname, GLint *values); +#endif /* GLCOREARB_PROTOTYPES */ +typedef GLint (APIENTRYP PFNGLGETSUBROUTINEUNIFORMLOCATIONPROC) (GLuint program, GLenum shadertype, const GLchar *name); +typedef GLuint (APIENTRYP PFNGLGETSUBROUTINEINDEXPROC) (GLuint program, GLenum shadertype, const GLchar *name); +typedef void (APIENTRYP PFNGLGETACTIVESUBROUTINEUNIFORMIVPROC) (GLuint program, GLenum shadertype, GLuint index, GLenum pname, GLint *values); +typedef void (APIENTRYP PFNGLGETACTIVESUBROUTINEUNIFORMNAMEPROC) (GLuint program, GLenum shadertype, GLuint index, GLsizei bufsize, GLsizei *length, GLchar *name); +typedef void (APIENTRYP PFNGLGETACTIVESUBROUTINENAMEPROC) (GLuint program, GLenum shadertype, GLuint index, GLsizei bufsize, GLsizei *length, GLchar *name); +typedef void (APIENTRYP PFNGLUNIFORMSUBROUTINESUIVPROC) (GLenum shadertype, GLsizei count, const GLuint *indices); +typedef void (APIENTRYP PFNGLGETUNIFORMSUBROUTINEUIVPROC) (GLenum shadertype, GLint location, GLuint *params); +typedef void (APIENTRYP PFNGLGETPROGRAMSTAGEIVPROC) (GLuint program, GLenum shadertype, GLenum pname, GLint *values); +#endif + +#ifndef GL_ARB_tessellation_shader +#define GL_ARB_tessellation_shader 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glPatchParameteri (GLenum pname, GLint value); +GLAPI void APIENTRY glPatchParameterfv (GLenum pname, const GLfloat *values); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLPATCHPARAMETERIPROC) (GLenum pname, GLint value); +typedef void (APIENTRYP PFNGLPATCHPARAMETERFVPROC) (GLenum pname, const GLfloat *values); +#endif + +#ifndef GL_ARB_texture_buffer_object_rgb32 +#define GL_ARB_texture_buffer_object_rgb32 1 +#endif + +#ifndef GL_ARB_transform_feedback2 +#define GL_ARB_transform_feedback2 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glBindTransformFeedback (GLenum target, GLuint id); +GLAPI void APIENTRY glDeleteTransformFeedbacks (GLsizei n, const GLuint *ids); +GLAPI void APIENTRY glGenTransformFeedbacks (GLsizei n, GLuint *ids); +GLAPI GLboolean APIENTRY glIsTransformFeedback (GLuint id); +GLAPI void APIENTRY glPauseTransformFeedback (void); +GLAPI void APIENTRY glResumeTransformFeedback (void); +GLAPI void APIENTRY glDrawTransformFeedback (GLenum mode, GLuint id); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLBINDTRANSFORMFEEDBACKPROC) (GLenum target, GLuint id); +typedef void (APIENTRYP PFNGLDELETETRANSFORMFEEDBACKSPROC) (GLsizei n, const GLuint *ids); +typedef void (APIENTRYP PFNGLGENTRANSFORMFEEDBACKSPROC) (GLsizei n, GLuint *ids); +typedef GLboolean (APIENTRYP PFNGLISTRANSFORMFEEDBACKPROC) (GLuint id); +typedef void (APIENTRYP PFNGLPAUSETRANSFORMFEEDBACKPROC) (void); +typedef void (APIENTRYP PFNGLRESUMETRANSFORMFEEDBACKPROC) (void); +typedef void (APIENTRYP PFNGLDRAWTRANSFORMFEEDBACKPROC) (GLenum mode, GLuint id); +#endif + +#ifndef GL_ARB_transform_feedback3 +#define GL_ARB_transform_feedback3 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glDrawTransformFeedbackStream (GLenum mode, GLuint id, GLuint stream); +GLAPI void APIENTRY glBeginQueryIndexed (GLenum target, GLuint index, GLuint id); +GLAPI void APIENTRY glEndQueryIndexed (GLenum target, GLuint index); +GLAPI void APIENTRY glGetQueryIndexediv (GLenum target, GLuint index, GLenum pname, GLint *params); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLDRAWTRANSFORMFEEDBACKSTREAMPROC) (GLenum mode, GLuint id, GLuint stream); +typedef void (APIENTRYP PFNGLBEGINQUERYINDEXEDPROC) (GLenum target, GLuint index, GLuint id); +typedef void (APIENTRYP PFNGLENDQUERYINDEXEDPROC) (GLenum target, GLuint index); +typedef void (APIENTRYP PFNGLGETQUERYINDEXEDIVPROC) (GLenum target, GLuint index, GLenum pname, GLint *params); +#endif + +#ifndef GL_ARB_ES2_compatibility +#define GL_ARB_ES2_compatibility 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glReleaseShaderCompiler (void); +GLAPI void APIENTRY glShaderBinary (GLsizei count, const GLuint *shaders, GLenum binaryformat, const GLvoid *binary, GLsizei length); +GLAPI void APIENTRY glGetShaderPrecisionFormat (GLenum shadertype, GLenum precisiontype, GLint *range, GLint *precision); +GLAPI void APIENTRY glDepthRangef (GLfloat n, GLfloat f); +GLAPI void APIENTRY glClearDepthf (GLfloat d); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLRELEASESHADERCOMPILERPROC) (void); +typedef void (APIENTRYP PFNGLSHADERBINARYPROC) (GLsizei count, const GLuint *shaders, GLenum binaryformat, const GLvoid *binary, GLsizei length); +typedef void (APIENTRYP PFNGLGETSHADERPRECISIONFORMATPROC) (GLenum shadertype, GLenum precisiontype, GLint *range, GLint *precision); +typedef void (APIENTRYP PFNGLDEPTHRANGEFPROC) (GLfloat n, GLfloat f); +typedef void (APIENTRYP PFNGLCLEARDEPTHFPROC) (GLfloat d); +#endif + +#ifndef GL_ARB_get_program_binary +#define GL_ARB_get_program_binary 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glGetProgramBinary (GLuint program, GLsizei bufSize, GLsizei *length, GLenum *binaryFormat, GLvoid *binary); +GLAPI void APIENTRY glProgramBinary (GLuint program, GLenum binaryFormat, const GLvoid *binary, GLsizei length); +GLAPI void APIENTRY glProgramParameteri (GLuint program, GLenum pname, GLint value); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLGETPROGRAMBINARYPROC) (GLuint program, GLsizei bufSize, GLsizei *length, GLenum *binaryFormat, GLvoid *binary); +typedef void (APIENTRYP PFNGLPROGRAMBINARYPROC) (GLuint program, GLenum binaryFormat, const GLvoid *binary, GLsizei length); +typedef void (APIENTRYP PFNGLPROGRAMPARAMETERIPROC) (GLuint program, GLenum pname, GLint value); +#endif + +#ifndef GL_ARB_separate_shader_objects +#define GL_ARB_separate_shader_objects 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glUseProgramStages (GLuint pipeline, GLbitfield stages, GLuint program); +GLAPI void APIENTRY glActiveShaderProgram (GLuint pipeline, GLuint program); +GLAPI GLuint APIENTRY glCreateShaderProgramv (GLenum type, GLsizei count, const GLchar* const *strings); +GLAPI void APIENTRY glBindProgramPipeline (GLuint pipeline); +GLAPI void APIENTRY glDeleteProgramPipelines (GLsizei n, const GLuint *pipelines); +GLAPI void APIENTRY glGenProgramPipelines (GLsizei n, GLuint *pipelines); +GLAPI GLboolean APIENTRY glIsProgramPipeline (GLuint pipeline); +GLAPI void APIENTRY glGetProgramPipelineiv (GLuint pipeline, GLenum pname, GLint *params); +GLAPI void APIENTRY glProgramUniform1i (GLuint program, GLint location, GLint v0); +GLAPI void APIENTRY glProgramUniform1iv (GLuint program, GLint location, GLsizei count, const GLint *value); +GLAPI void APIENTRY glProgramUniform1f (GLuint program, GLint location, GLfloat v0); +GLAPI void APIENTRY glProgramUniform1fv (GLuint program, GLint location, GLsizei count, const GLfloat *value); +GLAPI void APIENTRY glProgramUniform1d (GLuint program, GLint location, GLdouble v0); +GLAPI void APIENTRY glProgramUniform1dv (GLuint program, GLint location, GLsizei count, const GLdouble *value); +GLAPI void APIENTRY glProgramUniform1ui (GLuint program, GLint location, GLuint v0); +GLAPI void APIENTRY glProgramUniform1uiv (GLuint program, GLint location, GLsizei count, const GLuint *value); +GLAPI void APIENTRY glProgramUniform2i (GLuint program, GLint location, GLint v0, GLint v1); +GLAPI void APIENTRY glProgramUniform2iv (GLuint program, GLint location, GLsizei count, const GLint *value); +GLAPI void APIENTRY glProgramUniform2f (GLuint program, GLint location, GLfloat v0, GLfloat v1); +GLAPI void APIENTRY glProgramUniform2fv (GLuint program, GLint location, GLsizei count, const GLfloat *value); +GLAPI void APIENTRY glProgramUniform2d (GLuint program, GLint location, GLdouble v0, GLdouble v1); +GLAPI void APIENTRY glProgramUniform2dv (GLuint program, GLint location, GLsizei count, const GLdouble *value); +GLAPI void APIENTRY glProgramUniform2ui (GLuint program, GLint location, GLuint v0, GLuint v1); +GLAPI void APIENTRY glProgramUniform2uiv (GLuint program, GLint location, GLsizei count, const GLuint *value); +GLAPI void APIENTRY glProgramUniform3i (GLuint program, GLint location, GLint v0, GLint v1, GLint v2); +GLAPI void APIENTRY glProgramUniform3iv (GLuint program, GLint location, GLsizei count, const GLint *value); +GLAPI void APIENTRY glProgramUniform3f (GLuint program, GLint location, GLfloat v0, GLfloat v1, GLfloat v2); +GLAPI void APIENTRY glProgramUniform3fv (GLuint program, GLint location, GLsizei count, const GLfloat *value); +GLAPI void APIENTRY glProgramUniform3d (GLuint program, GLint location, GLdouble v0, GLdouble v1, GLdouble v2); +GLAPI void APIENTRY glProgramUniform3dv (GLuint program, GLint location, GLsizei count, const GLdouble *value); +GLAPI void APIENTRY glProgramUniform3ui (GLuint program, GLint location, GLuint v0, GLuint v1, GLuint v2); +GLAPI void APIENTRY glProgramUniform3uiv (GLuint program, GLint location, GLsizei count, const GLuint *value); +GLAPI void APIENTRY glProgramUniform4i (GLuint program, GLint location, GLint v0, GLint v1, GLint v2, GLint v3); +GLAPI void APIENTRY glProgramUniform4iv (GLuint program, GLint location, GLsizei count, const GLint *value); +GLAPI void APIENTRY glProgramUniform4f (GLuint program, GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3); +GLAPI void APIENTRY glProgramUniform4fv (GLuint program, GLint location, GLsizei count, const GLfloat *value); +GLAPI void APIENTRY glProgramUniform4d (GLuint program, GLint location, GLdouble v0, GLdouble v1, GLdouble v2, GLdouble v3); +GLAPI void APIENTRY glProgramUniform4dv (GLuint program, GLint location, GLsizei count, const GLdouble *value); +GLAPI void APIENTRY glProgramUniform4ui (GLuint program, GLint location, GLuint v0, GLuint v1, GLuint v2, GLuint v3); +GLAPI void APIENTRY glProgramUniform4uiv (GLuint program, GLint location, GLsizei count, const GLuint *value); +GLAPI void APIENTRY glProgramUniformMatrix2fv (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +GLAPI void APIENTRY glProgramUniformMatrix3fv (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +GLAPI void APIENTRY glProgramUniformMatrix4fv (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +GLAPI void APIENTRY glProgramUniformMatrix2dv (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +GLAPI void APIENTRY glProgramUniformMatrix3dv (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +GLAPI void APIENTRY glProgramUniformMatrix4dv (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +GLAPI void APIENTRY glProgramUniformMatrix2x3fv (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +GLAPI void APIENTRY glProgramUniformMatrix3x2fv (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +GLAPI void APIENTRY glProgramUniformMatrix2x4fv (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +GLAPI void APIENTRY glProgramUniformMatrix4x2fv (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +GLAPI void APIENTRY glProgramUniformMatrix3x4fv (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +GLAPI void APIENTRY glProgramUniformMatrix4x3fv (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +GLAPI void APIENTRY glProgramUniformMatrix2x3dv (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +GLAPI void APIENTRY glProgramUniformMatrix3x2dv (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +GLAPI void APIENTRY glProgramUniformMatrix2x4dv (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +GLAPI void APIENTRY glProgramUniformMatrix4x2dv (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +GLAPI void APIENTRY glProgramUniformMatrix3x4dv (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +GLAPI void APIENTRY glProgramUniformMatrix4x3dv (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +GLAPI void APIENTRY glValidateProgramPipeline (GLuint pipeline); +GLAPI void APIENTRY glGetProgramPipelineInfoLog (GLuint pipeline, GLsizei bufSize, GLsizei *length, GLchar *infoLog); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLUSEPROGRAMSTAGESPROC) (GLuint pipeline, GLbitfield stages, GLuint program); +typedef void (APIENTRYP PFNGLACTIVESHADERPROGRAMPROC) (GLuint pipeline, GLuint program); +typedef GLuint (APIENTRYP PFNGLCREATESHADERPROGRAMVPROC) (GLenum type, GLsizei count, const GLchar* const *strings); +typedef void (APIENTRYP PFNGLBINDPROGRAMPIPELINEPROC) (GLuint pipeline); +typedef void (APIENTRYP PFNGLDELETEPROGRAMPIPELINESPROC) (GLsizei n, const GLuint *pipelines); +typedef void (APIENTRYP PFNGLGENPROGRAMPIPELINESPROC) (GLsizei n, GLuint *pipelines); +typedef GLboolean (APIENTRYP PFNGLISPROGRAMPIPELINEPROC) (GLuint pipeline); +typedef void (APIENTRYP PFNGLGETPROGRAMPIPELINEIVPROC) (GLuint pipeline, GLenum pname, GLint *params); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORM1IPROC) (GLuint program, GLint location, GLint v0); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORM1IVPROC) (GLuint program, GLint location, GLsizei count, const GLint *value); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORM1FPROC) (GLuint program, GLint location, GLfloat v0); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORM1FVPROC) (GLuint program, GLint location, GLsizei count, const GLfloat *value); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORM1DPROC) (GLuint program, GLint location, GLdouble v0); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORM1DVPROC) (GLuint program, GLint location, GLsizei count, const GLdouble *value); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORM1UIPROC) (GLuint program, GLint location, GLuint v0); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORM1UIVPROC) (GLuint program, GLint location, GLsizei count, const GLuint *value); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORM2IPROC) (GLuint program, GLint location, GLint v0, GLint v1); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORM2IVPROC) (GLuint program, GLint location, GLsizei count, const GLint *value); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORM2FPROC) (GLuint program, GLint location, GLfloat v0, GLfloat v1); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORM2FVPROC) (GLuint program, GLint location, GLsizei count, const GLfloat *value); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORM2DPROC) (GLuint program, GLint location, GLdouble v0, GLdouble v1); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORM2DVPROC) (GLuint program, GLint location, GLsizei count, const GLdouble *value); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORM2UIPROC) (GLuint program, GLint location, GLuint v0, GLuint v1); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORM2UIVPROC) (GLuint program, GLint location, GLsizei count, const GLuint *value); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORM3IPROC) (GLuint program, GLint location, GLint v0, GLint v1, GLint v2); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORM3IVPROC) (GLuint program, GLint location, GLsizei count, const GLint *value); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORM3FPROC) (GLuint program, GLint location, GLfloat v0, GLfloat v1, GLfloat v2); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORM3FVPROC) (GLuint program, GLint location, GLsizei count, const GLfloat *value); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORM3DPROC) (GLuint program, GLint location, GLdouble v0, GLdouble v1, GLdouble v2); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORM3DVPROC) (GLuint program, GLint location, GLsizei count, const GLdouble *value); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORM3UIPROC) (GLuint program, GLint location, GLuint v0, GLuint v1, GLuint v2); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORM3UIVPROC) (GLuint program, GLint location, GLsizei count, const GLuint *value); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORM4IPROC) (GLuint program, GLint location, GLint v0, GLint v1, GLint v2, GLint v3); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORM4IVPROC) (GLuint program, GLint location, GLsizei count, const GLint *value); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORM4FPROC) (GLuint program, GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORM4FVPROC) (GLuint program, GLint location, GLsizei count, const GLfloat *value); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORM4DPROC) (GLuint program, GLint location, GLdouble v0, GLdouble v1, GLdouble v2, GLdouble v3); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORM4DVPROC) (GLuint program, GLint location, GLsizei count, const GLdouble *value); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORM4UIPROC) (GLuint program, GLint location, GLuint v0, GLuint v1, GLuint v2, GLuint v3); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORM4UIVPROC) (GLuint program, GLint location, GLsizei count, const GLuint *value); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORMMATRIX2FVPROC) (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORMMATRIX3FVPROC) (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORMMATRIX4FVPROC) (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORMMATRIX2DVPROC) (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORMMATRIX3DVPROC) (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORMMATRIX4DVPROC) (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORMMATRIX2X3FVPROC) (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORMMATRIX3X2FVPROC) (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORMMATRIX2X4FVPROC) (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORMMATRIX4X2FVPROC) (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORMMATRIX3X4FVPROC) (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORMMATRIX4X3FVPROC) (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORMMATRIX2X3DVPROC) (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORMMATRIX3X2DVPROC) (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORMMATRIX2X4DVPROC) (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORMMATRIX4X2DVPROC) (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORMMATRIX3X4DVPROC) (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +typedef void (APIENTRYP PFNGLPROGRAMUNIFORMMATRIX4X3DVPROC) (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLdouble *value); +typedef void (APIENTRYP PFNGLVALIDATEPROGRAMPIPELINEPROC) (GLuint pipeline); +typedef void (APIENTRYP PFNGLGETPROGRAMPIPELINEINFOLOGPROC) (GLuint pipeline, GLsizei bufSize, GLsizei *length, GLchar *infoLog); +#endif + +#ifndef GL_ARB_vertex_attrib_64bit +#define GL_ARB_vertex_attrib_64bit 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glVertexAttribL1d (GLuint index, GLdouble x); +GLAPI void APIENTRY glVertexAttribL2d (GLuint index, GLdouble x, GLdouble y); +GLAPI void APIENTRY glVertexAttribL3d (GLuint index, GLdouble x, GLdouble y, GLdouble z); +GLAPI void APIENTRY glVertexAttribL4d (GLuint index, GLdouble x, GLdouble y, GLdouble z, GLdouble w); +GLAPI void APIENTRY glVertexAttribL1dv (GLuint index, const GLdouble *v); +GLAPI void APIENTRY glVertexAttribL2dv (GLuint index, const GLdouble *v); +GLAPI void APIENTRY glVertexAttribL3dv (GLuint index, const GLdouble *v); +GLAPI void APIENTRY glVertexAttribL4dv (GLuint index, const GLdouble *v); +GLAPI void APIENTRY glVertexAttribLPointer (GLuint index, GLint size, GLenum type, GLsizei stride, const GLvoid *pointer); +GLAPI void APIENTRY glGetVertexAttribLdv (GLuint index, GLenum pname, GLdouble *params); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLVERTEXATTRIBL1DPROC) (GLuint index, GLdouble x); +typedef void (APIENTRYP PFNGLVERTEXATTRIBL2DPROC) (GLuint index, GLdouble x, GLdouble y); +typedef void (APIENTRYP PFNGLVERTEXATTRIBL3DPROC) (GLuint index, GLdouble x, GLdouble y, GLdouble z); +typedef void (APIENTRYP PFNGLVERTEXATTRIBL4DPROC) (GLuint index, GLdouble x, GLdouble y, GLdouble z, GLdouble w); +typedef void (APIENTRYP PFNGLVERTEXATTRIBL1DVPROC) (GLuint index, const GLdouble *v); +typedef void (APIENTRYP PFNGLVERTEXATTRIBL2DVPROC) (GLuint index, const GLdouble *v); +typedef void (APIENTRYP PFNGLVERTEXATTRIBL3DVPROC) (GLuint index, const GLdouble *v); +typedef void (APIENTRYP PFNGLVERTEXATTRIBL4DVPROC) (GLuint index, const GLdouble *v); +typedef void (APIENTRYP PFNGLVERTEXATTRIBLPOINTERPROC) (GLuint index, GLint size, GLenum type, GLsizei stride, const GLvoid *pointer); +typedef void (APIENTRYP PFNGLGETVERTEXATTRIBLDVPROC) (GLuint index, GLenum pname, GLdouble *params); +#endif + +#ifndef GL_ARB_viewport_array +#define GL_ARB_viewport_array 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glViewportArrayv (GLuint first, GLsizei count, const GLfloat *v); +GLAPI void APIENTRY glViewportIndexedf (GLuint index, GLfloat x, GLfloat y, GLfloat w, GLfloat h); +GLAPI void APIENTRY glViewportIndexedfv (GLuint index, const GLfloat *v); +GLAPI void APIENTRY glScissorArrayv (GLuint first, GLsizei count, const GLint *v); +GLAPI void APIENTRY glScissorIndexed (GLuint index, GLint left, GLint bottom, GLsizei width, GLsizei height); +GLAPI void APIENTRY glScissorIndexedv (GLuint index, const GLint *v); +GLAPI void APIENTRY glDepthRangeArrayv (GLuint first, GLsizei count, const GLdouble *v); +GLAPI void APIENTRY glDepthRangeIndexed (GLuint index, GLdouble n, GLdouble f); +GLAPI void APIENTRY glGetFloati_v (GLenum target, GLuint index, GLfloat *data); +GLAPI void APIENTRY glGetDoublei_v (GLenum target, GLuint index, GLdouble *data); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLVIEWPORTARRAYVPROC) (GLuint first, GLsizei count, const GLfloat *v); +typedef void (APIENTRYP PFNGLVIEWPORTINDEXEDFPROC) (GLuint index, GLfloat x, GLfloat y, GLfloat w, GLfloat h); +typedef void (APIENTRYP PFNGLVIEWPORTINDEXEDFVPROC) (GLuint index, const GLfloat *v); +typedef void (APIENTRYP PFNGLSCISSORARRAYVPROC) (GLuint first, GLsizei count, const GLint *v); +typedef void (APIENTRYP PFNGLSCISSORINDEXEDPROC) (GLuint index, GLint left, GLint bottom, GLsizei width, GLsizei height); +typedef void (APIENTRYP PFNGLSCISSORINDEXEDVPROC) (GLuint index, const GLint *v); +typedef void (APIENTRYP PFNGLDEPTHRANGEARRAYVPROC) (GLuint first, GLsizei count, const GLdouble *v); +typedef void (APIENTRYP PFNGLDEPTHRANGEINDEXEDPROC) (GLuint index, GLdouble n, GLdouble f); +typedef void (APIENTRYP PFNGLGETFLOATI_VPROC) (GLenum target, GLuint index, GLfloat *data); +typedef void (APIENTRYP PFNGLGETDOUBLEI_VPROC) (GLenum target, GLuint index, GLdouble *data); +#endif + +#ifndef GL_ARB_cl_event +#define GL_ARB_cl_event 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI GLsync APIENTRY glCreateSyncFromCLeventARB (struct _cl_context * context, struct _cl_event * event, GLbitfield flags); +#endif /* GLCOREARB_PROTOTYPES */ +typedef GLsync (APIENTRYP PFNGLCREATESYNCFROMCLEVENTARBPROC) (struct _cl_context * context, struct _cl_event * event, GLbitfield flags); +#endif + +#ifndef GL_ARB_debug_output +#define GL_ARB_debug_output 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glDebugMessageControlARB (GLenum source, GLenum type, GLenum severity, GLsizei count, const GLuint *ids, GLboolean enabled); +GLAPI void APIENTRY glDebugMessageInsertARB (GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar *buf); +GLAPI void APIENTRY glDebugMessageCallbackARB (GLDEBUGPROCARB callback, const GLvoid *userParam); +GLAPI GLuint APIENTRY glGetDebugMessageLogARB (GLuint count, GLsizei bufsize, GLenum *sources, GLenum *types, GLuint *ids, GLenum *severities, GLsizei *lengths, GLchar *messageLog); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLDEBUGMESSAGECONTROLARBPROC) (GLenum source, GLenum type, GLenum severity, GLsizei count, const GLuint *ids, GLboolean enabled); +typedef void (APIENTRYP PFNGLDEBUGMESSAGEINSERTARBPROC) (GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar *buf); +typedef void (APIENTRYP PFNGLDEBUGMESSAGECALLBACKARBPROC) (GLDEBUGPROCARB callback, const GLvoid *userParam); +typedef GLuint (APIENTRYP PFNGLGETDEBUGMESSAGELOGARBPROC) (GLuint count, GLsizei bufsize, GLenum *sources, GLenum *types, GLuint *ids, GLenum *severities, GLsizei *lengths, GLchar *messageLog); +#endif + +#ifndef GL_ARB_robustness +#define GL_ARB_robustness 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI GLenum APIENTRY glGetGraphicsResetStatusARB (void); +GLAPI void APIENTRY glGetnTexImageARB (GLenum target, GLint level, GLenum format, GLenum type, GLsizei bufSize, GLvoid *img); +GLAPI void APIENTRY glReadnPixelsARB (GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLsizei bufSize, GLvoid *data); +GLAPI void APIENTRY glGetnCompressedTexImageARB (GLenum target, GLint lod, GLsizei bufSize, GLvoid *img); +GLAPI void APIENTRY glGetnUniformfvARB (GLuint program, GLint location, GLsizei bufSize, GLfloat *params); +GLAPI void APIENTRY glGetnUniformivARB (GLuint program, GLint location, GLsizei bufSize, GLint *params); +GLAPI void APIENTRY glGetnUniformuivARB (GLuint program, GLint location, GLsizei bufSize, GLuint *params); +GLAPI void APIENTRY glGetnUniformdvARB (GLuint program, GLint location, GLsizei bufSize, GLdouble *params); +#endif /* GLCOREARB_PROTOTYPES */ +typedef GLenum (APIENTRYP PFNGLGETGRAPHICSRESETSTATUSARBPROC) (void); +typedef void (APIENTRYP PFNGLGETNTEXIMAGEARBPROC) (GLenum target, GLint level, GLenum format, GLenum type, GLsizei bufSize, GLvoid *img); +typedef void (APIENTRYP PFNGLREADNPIXELSARBPROC) (GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLsizei bufSize, GLvoid *data); +typedef void (APIENTRYP PFNGLGETNCOMPRESSEDTEXIMAGEARBPROC) (GLenum target, GLint lod, GLsizei bufSize, GLvoid *img); +typedef void (APIENTRYP PFNGLGETNUNIFORMFVARBPROC) (GLuint program, GLint location, GLsizei bufSize, GLfloat *params); +typedef void (APIENTRYP PFNGLGETNUNIFORMIVARBPROC) (GLuint program, GLint location, GLsizei bufSize, GLint *params); +typedef void (APIENTRYP PFNGLGETNUNIFORMUIVARBPROC) (GLuint program, GLint location, GLsizei bufSize, GLuint *params); +typedef void (APIENTRYP PFNGLGETNUNIFORMDVARBPROC) (GLuint program, GLint location, GLsizei bufSize, GLdouble *params); +#endif + +#ifndef GL_ARB_shader_stencil_export +#define GL_ARB_shader_stencil_export 1 +#endif + +#ifndef GL_ARB_base_instance +#define GL_ARB_base_instance 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glDrawArraysInstancedBaseInstance (GLenum mode, GLint first, GLsizei count, GLsizei instancecount, GLuint baseinstance); +GLAPI void APIENTRY glDrawElementsInstancedBaseInstance (GLenum mode, GLsizei count, GLenum type, const void *indices, GLsizei instancecount, GLuint baseinstance); +GLAPI void APIENTRY glDrawElementsInstancedBaseVertexBaseInstance (GLenum mode, GLsizei count, GLenum type, const void *indices, GLsizei instancecount, GLint basevertex, GLuint baseinstance); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLDRAWARRAYSINSTANCEDBASEINSTANCEPROC) (GLenum mode, GLint first, GLsizei count, GLsizei instancecount, GLuint baseinstance); +typedef void (APIENTRYP PFNGLDRAWELEMENTSINSTANCEDBASEINSTANCEPROC) (GLenum mode, GLsizei count, GLenum type, const void *indices, GLsizei instancecount, GLuint baseinstance); +typedef void (APIENTRYP PFNGLDRAWELEMENTSINSTANCEDBASEVERTEXBASEINSTANCEPROC) (GLenum mode, GLsizei count, GLenum type, const void *indices, GLsizei instancecount, GLint basevertex, GLuint baseinstance); +#endif + +#ifndef GL_ARB_shading_language_420pack +#define GL_ARB_shading_language_420pack 1 +#endif + +#ifndef GL_ARB_transform_feedback_instanced +#define GL_ARB_transform_feedback_instanced 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glDrawTransformFeedbackInstanced (GLenum mode, GLuint id, GLsizei instancecount); +GLAPI void APIENTRY glDrawTransformFeedbackStreamInstanced (GLenum mode, GLuint id, GLuint stream, GLsizei instancecount); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLDRAWTRANSFORMFEEDBACKINSTANCEDPROC) (GLenum mode, GLuint id, GLsizei instancecount); +typedef void (APIENTRYP PFNGLDRAWTRANSFORMFEEDBACKSTREAMINSTANCEDPROC) (GLenum mode, GLuint id, GLuint stream, GLsizei instancecount); +#endif + +#ifndef GL_ARB_compressed_texture_pixel_storage +#define GL_ARB_compressed_texture_pixel_storage 1 +#endif + +#ifndef GL_ARB_conservative_depth +#define GL_ARB_conservative_depth 1 +#endif + +#ifndef GL_ARB_internalformat_query +#define GL_ARB_internalformat_query 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glGetInternalformativ (GLenum target, GLenum internalformat, GLenum pname, GLsizei bufSize, GLint *params); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLGETINTERNALFORMATIVPROC) (GLenum target, GLenum internalformat, GLenum pname, GLsizei bufSize, GLint *params); +#endif + +#ifndef GL_ARB_map_buffer_alignment +#define GL_ARB_map_buffer_alignment 1 +#endif + +#ifndef GL_ARB_shader_atomic_counters +#define GL_ARB_shader_atomic_counters 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glGetActiveAtomicCounterBufferiv (GLuint program, GLuint bufferIndex, GLenum pname, GLint *params); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLGETACTIVEATOMICCOUNTERBUFFERIVPROC) (GLuint program, GLuint bufferIndex, GLenum pname, GLint *params); +#endif + +#ifndef GL_ARB_shader_image_load_store +#define GL_ARB_shader_image_load_store 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glBindImageTexture (GLuint unit, GLuint texture, GLint level, GLboolean layered, GLint layer, GLenum access, GLenum format); +GLAPI void APIENTRY glMemoryBarrier (GLbitfield barriers); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLBINDIMAGETEXTUREPROC) (GLuint unit, GLuint texture, GLint level, GLboolean layered, GLint layer, GLenum access, GLenum format); +typedef void (APIENTRYP PFNGLMEMORYBARRIERPROC) (GLbitfield barriers); +#endif + +#ifndef GL_ARB_shading_language_packing +#define GL_ARB_shading_language_packing 1 +#endif + +#ifndef GL_ARB_texture_storage +#define GL_ARB_texture_storage 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glTexStorage1D (GLenum target, GLsizei levels, GLenum internalformat, GLsizei width); +GLAPI void APIENTRY glTexStorage2D (GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height); +GLAPI void APIENTRY glTexStorage3D (GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth); +GLAPI void APIENTRY glTextureStorage1DEXT (GLuint texture, GLenum target, GLsizei levels, GLenum internalformat, GLsizei width); +GLAPI void APIENTRY glTextureStorage2DEXT (GLuint texture, GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height); +GLAPI void APIENTRY glTextureStorage3DEXT (GLuint texture, GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLTEXSTORAGE1DPROC) (GLenum target, GLsizei levels, GLenum internalformat, GLsizei width); +typedef void (APIENTRYP PFNGLTEXSTORAGE2DPROC) (GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height); +typedef void (APIENTRYP PFNGLTEXSTORAGE3DPROC) (GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth); +typedef void (APIENTRYP PFNGLTEXTURESTORAGE1DEXTPROC) (GLuint texture, GLenum target, GLsizei levels, GLenum internalformat, GLsizei width); +typedef void (APIENTRYP PFNGLTEXTURESTORAGE2DEXTPROC) (GLuint texture, GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height); +typedef void (APIENTRYP PFNGLTEXTURESTORAGE3DEXTPROC) (GLuint texture, GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth); +#endif + +#ifndef GL_KHR_texture_compression_astc_ldr +#define GL_KHR_texture_compression_astc_ldr 1 +#endif + +#ifndef GL_KHR_debug +#define GL_KHR_debug 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glDebugMessageControl (GLenum source, GLenum type, GLenum severity, GLsizei count, const GLuint *ids, GLboolean enabled); +GLAPI void APIENTRY glDebugMessageInsert (GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar *buf); +GLAPI void APIENTRY glDebugMessageCallback (GLDEBUGPROC callback, const void *userParam); +GLAPI GLuint APIENTRY glGetDebugMessageLog (GLuint count, GLsizei bufsize, GLenum *sources, GLenum *types, GLuint *ids, GLenum *severities, GLsizei *lengths, GLchar *messageLog); +GLAPI void APIENTRY glPushDebugGroup (GLenum source, GLuint id, GLsizei length, const GLchar *message); +GLAPI void APIENTRY glPopDebugGroup (void); +GLAPI void APIENTRY glObjectLabel (GLenum identifier, GLuint name, GLsizei length, const GLchar *label); +GLAPI void APIENTRY glGetObjectLabel (GLenum identifier, GLuint name, GLsizei bufSize, GLsizei *length, GLchar *label); +GLAPI void APIENTRY glObjectPtrLabel (const void *ptr, GLsizei length, const GLchar *label); +GLAPI void APIENTRY glGetObjectPtrLabel (const void *ptr, GLsizei bufSize, GLsizei *length, GLchar *label); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLDEBUGMESSAGECONTROLPROC) (GLenum source, GLenum type, GLenum severity, GLsizei count, const GLuint *ids, GLboolean enabled); +typedef void (APIENTRYP PFNGLDEBUGMESSAGEINSERTPROC) (GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar *buf); +typedef void (APIENTRYP PFNGLDEBUGMESSAGECALLBACKPROC) (GLDEBUGPROC callback, const void *userParam); +typedef GLuint (APIENTRYP PFNGLGETDEBUGMESSAGELOGPROC) (GLuint count, GLsizei bufsize, GLenum *sources, GLenum *types, GLuint *ids, GLenum *severities, GLsizei *lengths, GLchar *messageLog); +typedef void (APIENTRYP PFNGLPUSHDEBUGGROUPPROC) (GLenum source, GLuint id, GLsizei length, const GLchar *message); +typedef void (APIENTRYP PFNGLPOPDEBUGGROUPPROC) (void); +typedef void (APIENTRYP PFNGLOBJECTLABELPROC) (GLenum identifier, GLuint name, GLsizei length, const GLchar *label); +typedef void (APIENTRYP PFNGLGETOBJECTLABELPROC) (GLenum identifier, GLuint name, GLsizei bufSize, GLsizei *length, GLchar *label); +typedef void (APIENTRYP PFNGLOBJECTPTRLABELPROC) (const void *ptr, GLsizei length, const GLchar *label); +typedef void (APIENTRYP PFNGLGETOBJECTPTRLABELPROC) (const void *ptr, GLsizei bufSize, GLsizei *length, GLchar *label); +#endif + +#ifndef GL_ARB_arrays_of_arrays +#define GL_ARB_arrays_of_arrays 1 +#endif + +#ifndef GL_ARB_clear_buffer_object +#define GL_ARB_clear_buffer_object 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glClearBufferData (GLenum target, GLenum internalformat, GLenum format, GLenum type, const void *data); +GLAPI void APIENTRY glClearBufferSubData (GLenum target, GLenum internalformat, GLintptr offset, GLsizeiptr size, GLenum format, GLenum type, const void *data); +GLAPI void APIENTRY glClearNamedBufferDataEXT (GLuint buffer, GLenum internalformat, GLenum format, GLenum type, const void *data); +GLAPI void APIENTRY glClearNamedBufferSubDataEXT (GLuint buffer, GLenum internalformat, GLenum format, GLenum type, GLsizeiptr offset, GLsizeiptr size, const void *data); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLCLEARBUFFERDATAPROC) (GLenum target, GLenum internalformat, GLenum format, GLenum type, const void *data); +typedef void (APIENTRYP PFNGLCLEARBUFFERSUBDATAPROC) (GLenum target, GLenum internalformat, GLintptr offset, GLsizeiptr size, GLenum format, GLenum type, const void *data); +typedef void (APIENTRYP PFNGLCLEARNAMEDBUFFERDATAEXTPROC) (GLuint buffer, GLenum internalformat, GLenum format, GLenum type, const void *data); +typedef void (APIENTRYP PFNGLCLEARNAMEDBUFFERSUBDATAEXTPROC) (GLuint buffer, GLenum internalformat, GLenum format, GLenum type, GLsizeiptr offset, GLsizeiptr size, const void *data); +#endif + +#ifndef GL_ARB_compute_shader +#define GL_ARB_compute_shader 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glDispatchCompute (GLuint num_groups_x, GLuint num_groups_y, GLuint num_groups_z); +GLAPI void APIENTRY glDispatchComputeIndirect (GLintptr indirect); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLDISPATCHCOMPUTEPROC) (GLuint num_groups_x, GLuint num_groups_y, GLuint num_groups_z); +typedef void (APIENTRYP PFNGLDISPATCHCOMPUTEINDIRECTPROC) (GLintptr indirect); +#endif + +#ifndef GL_ARB_copy_image +#define GL_ARB_copy_image 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glCopyImageSubData (GLuint srcName, GLenum srcTarget, GLint srcLevel, GLint srcX, GLint srcY, GLint srcZ, GLuint dstName, GLenum dstTarget, GLint dstLevel, GLint dstX, GLint dstY, GLint dstZ, GLsizei srcWidth, GLsizei srcHeight, GLsizei srcDepth); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLCOPYIMAGESUBDATAPROC) (GLuint srcName, GLenum srcTarget, GLint srcLevel, GLint srcX, GLint srcY, GLint srcZ, GLuint dstName, GLenum dstTarget, GLint dstLevel, GLint dstX, GLint dstY, GLint dstZ, GLsizei srcWidth, GLsizei srcHeight, GLsizei srcDepth); +#endif + +#ifndef GL_ARB_texture_view +#define GL_ARB_texture_view 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glTextureView (GLuint texture, GLenum target, GLuint origtexture, GLenum internalformat, GLuint minlevel, GLuint numlevels, GLuint minlayer, GLuint numlayers); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLTEXTUREVIEWPROC) (GLuint texture, GLenum target, GLuint origtexture, GLenum internalformat, GLuint minlevel, GLuint numlevels, GLuint minlayer, GLuint numlayers); +#endif + +#ifndef GL_ARB_vertex_attrib_binding +#define GL_ARB_vertex_attrib_binding 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glBindVertexBuffer (GLuint bindingindex, GLuint buffer, GLintptr offset, GLsizei stride); +GLAPI void APIENTRY glVertexAttribFormat (GLuint attribindex, GLint size, GLenum type, GLboolean normalized, GLuint relativeoffset); +GLAPI void APIENTRY glVertexAttribIFormat (GLuint attribindex, GLint size, GLenum type, GLuint relativeoffset); +GLAPI void APIENTRY glVertexAttribLFormat (GLuint attribindex, GLint size, GLenum type, GLuint relativeoffset); +GLAPI void APIENTRY glVertexAttribBinding (GLuint attribindex, GLuint bindingindex); +GLAPI void APIENTRY glVertexBindingDivisor (GLuint bindingindex, GLuint divisor); +GLAPI void APIENTRY glVertexArrayBindVertexBufferEXT (GLuint vaobj, GLuint bindingindex, GLuint buffer, GLintptr offset, GLsizei stride); +GLAPI void APIENTRY glVertexArrayVertexAttribFormatEXT (GLuint vaobj, GLuint attribindex, GLint size, GLenum type, GLboolean normalized, GLuint relativeoffset); +GLAPI void APIENTRY glVertexArrayVertexAttribIFormatEXT (GLuint vaobj, GLuint attribindex, GLint size, GLenum type, GLuint relativeoffset); +GLAPI void APIENTRY glVertexArrayVertexAttribLFormatEXT (GLuint vaobj, GLuint attribindex, GLint size, GLenum type, GLuint relativeoffset); +GLAPI void APIENTRY glVertexArrayVertexAttribBindingEXT (GLuint vaobj, GLuint attribindex, GLuint bindingindex); +GLAPI void APIENTRY glVertexArrayVertexBindingDivisorEXT (GLuint vaobj, GLuint bindingindex, GLuint divisor); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLBINDVERTEXBUFFERPROC) (GLuint bindingindex, GLuint buffer, GLintptr offset, GLsizei stride); +typedef void (APIENTRYP PFNGLVERTEXATTRIBFORMATPROC) (GLuint attribindex, GLint size, GLenum type, GLboolean normalized, GLuint relativeoffset); +typedef void (APIENTRYP PFNGLVERTEXATTRIBIFORMATPROC) (GLuint attribindex, GLint size, GLenum type, GLuint relativeoffset); +typedef void (APIENTRYP PFNGLVERTEXATTRIBLFORMATPROC) (GLuint attribindex, GLint size, GLenum type, GLuint relativeoffset); +typedef void (APIENTRYP PFNGLVERTEXATTRIBBINDINGPROC) (GLuint attribindex, GLuint bindingindex); +typedef void (APIENTRYP PFNGLVERTEXBINDINGDIVISORPROC) (GLuint bindingindex, GLuint divisor); +typedef void (APIENTRYP PFNGLVERTEXARRAYBINDVERTEXBUFFEREXTPROC) (GLuint vaobj, GLuint bindingindex, GLuint buffer, GLintptr offset, GLsizei stride); +typedef void (APIENTRYP PFNGLVERTEXARRAYVERTEXATTRIBFORMATEXTPROC) (GLuint vaobj, GLuint attribindex, GLint size, GLenum type, GLboolean normalized, GLuint relativeoffset); +typedef void (APIENTRYP PFNGLVERTEXARRAYVERTEXATTRIBIFORMATEXTPROC) (GLuint vaobj, GLuint attribindex, GLint size, GLenum type, GLuint relativeoffset); +typedef void (APIENTRYP PFNGLVERTEXARRAYVERTEXATTRIBLFORMATEXTPROC) (GLuint vaobj, GLuint attribindex, GLint size, GLenum type, GLuint relativeoffset); +typedef void (APIENTRYP PFNGLVERTEXARRAYVERTEXATTRIBBINDINGEXTPROC) (GLuint vaobj, GLuint attribindex, GLuint bindingindex); +typedef void (APIENTRYP PFNGLVERTEXARRAYVERTEXBINDINGDIVISOREXTPROC) (GLuint vaobj, GLuint bindingindex, GLuint divisor); +#endif + +#ifndef GL_ARB_robustness_isolation +#define GL_ARB_robustness_isolation 1 +#endif + +#ifndef GL_ARB_ES3_compatibility +#define GL_ARB_ES3_compatibility 1 +#endif + +#ifndef GL_ARB_explicit_uniform_location +#define GL_ARB_explicit_uniform_location 1 +#endif + +#ifndef GL_ARB_fragment_layer_viewport +#define GL_ARB_fragment_layer_viewport 1 +#endif + +#ifndef GL_ARB_framebuffer_no_attachments +#define GL_ARB_framebuffer_no_attachments 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glFramebufferParameteri (GLenum target, GLenum pname, GLint param); +GLAPI void APIENTRY glGetFramebufferParameteriv (GLenum target, GLenum pname, GLint *params); +GLAPI void APIENTRY glNamedFramebufferParameteriEXT (GLuint framebuffer, GLenum pname, GLint param); +GLAPI void APIENTRY glGetNamedFramebufferParameterivEXT (GLuint framebuffer, GLenum pname, GLint *params); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLFRAMEBUFFERPARAMETERIPROC) (GLenum target, GLenum pname, GLint param); +typedef void (APIENTRYP PFNGLGETFRAMEBUFFERPARAMETERIVPROC) (GLenum target, GLenum pname, GLint *params); +typedef void (APIENTRYP PFNGLNAMEDFRAMEBUFFERPARAMETERIEXTPROC) (GLuint framebuffer, GLenum pname, GLint param); +typedef void (APIENTRYP PFNGLGETNAMEDFRAMEBUFFERPARAMETERIVEXTPROC) (GLuint framebuffer, GLenum pname, GLint *params); +#endif + +#ifndef GL_ARB_internalformat_query2 +#define GL_ARB_internalformat_query2 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glGetInternalformati64v (GLenum target, GLenum internalformat, GLenum pname, GLsizei bufSize, GLint64 *params); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLGETINTERNALFORMATI64VPROC) (GLenum target, GLenum internalformat, GLenum pname, GLsizei bufSize, GLint64 *params); +#endif + +#ifndef GL_ARB_invalidate_subdata +#define GL_ARB_invalidate_subdata 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glInvalidateTexSubImage (GLuint texture, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth); +GLAPI void APIENTRY glInvalidateTexImage (GLuint texture, GLint level); +GLAPI void APIENTRY glInvalidateBufferSubData (GLuint buffer, GLintptr offset, GLsizeiptr length); +GLAPI void APIENTRY glInvalidateBufferData (GLuint buffer); +GLAPI void APIENTRY glInvalidateFramebuffer (GLenum target, GLsizei numAttachments, const GLenum *attachments); +GLAPI void APIENTRY glInvalidateSubFramebuffer (GLenum target, GLsizei numAttachments, const GLenum *attachments, GLint x, GLint y, GLsizei width, GLsizei height); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLINVALIDATETEXSUBIMAGEPROC) (GLuint texture, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth); +typedef void (APIENTRYP PFNGLINVALIDATETEXIMAGEPROC) (GLuint texture, GLint level); +typedef void (APIENTRYP PFNGLINVALIDATEBUFFERSUBDATAPROC) (GLuint buffer, GLintptr offset, GLsizeiptr length); +typedef void (APIENTRYP PFNGLINVALIDATEBUFFERDATAPROC) (GLuint buffer); +typedef void (APIENTRYP PFNGLINVALIDATEFRAMEBUFFERPROC) (GLenum target, GLsizei numAttachments, const GLenum *attachments); +typedef void (APIENTRYP PFNGLINVALIDATESUBFRAMEBUFFERPROC) (GLenum target, GLsizei numAttachments, const GLenum *attachments, GLint x, GLint y, GLsizei width, GLsizei height); +#endif + +#ifndef GL_ARB_multi_draw_indirect +#define GL_ARB_multi_draw_indirect 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glMultiDrawArraysIndirect (GLenum mode, const void *indirect, GLsizei drawcount, GLsizei stride); +GLAPI void APIENTRY glMultiDrawElementsIndirect (GLenum mode, GLenum type, const void *indirect, GLsizei drawcount, GLsizei stride); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLMULTIDRAWARRAYSINDIRECTPROC) (GLenum mode, const void *indirect, GLsizei drawcount, GLsizei stride); +typedef void (APIENTRYP PFNGLMULTIDRAWELEMENTSINDIRECTPROC) (GLenum mode, GLenum type, const void *indirect, GLsizei drawcount, GLsizei stride); +#endif + +#ifndef GL_ARB_program_interface_query +#define GL_ARB_program_interface_query 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glGetProgramInterfaceiv (GLuint program, GLenum programInterface, GLenum pname, GLint *params); +GLAPI GLuint APIENTRY glGetProgramResourceIndex (GLuint program, GLenum programInterface, const GLchar *name); +GLAPI void APIENTRY glGetProgramResourceName (GLuint program, GLenum programInterface, GLuint index, GLsizei bufSize, GLsizei *length, GLchar *name); +GLAPI void APIENTRY glGetProgramResourceiv (GLuint program, GLenum programInterface, GLuint index, GLsizei propCount, const GLenum *props, GLsizei bufSize, GLsizei *length, GLint *params); +GLAPI GLint APIENTRY glGetProgramResourceLocation (GLuint program, GLenum programInterface, const GLchar *name); +GLAPI GLint APIENTRY glGetProgramResourceLocationIndex (GLuint program, GLenum programInterface, const GLchar *name); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLGETPROGRAMINTERFACEIVPROC) (GLuint program, GLenum programInterface, GLenum pname, GLint *params); +typedef GLuint (APIENTRYP PFNGLGETPROGRAMRESOURCEINDEXPROC) (GLuint program, GLenum programInterface, const GLchar *name); +typedef void (APIENTRYP PFNGLGETPROGRAMRESOURCENAMEPROC) (GLuint program, GLenum programInterface, GLuint index, GLsizei bufSize, GLsizei *length, GLchar *name); +typedef void (APIENTRYP PFNGLGETPROGRAMRESOURCEIVPROC) (GLuint program, GLenum programInterface, GLuint index, GLsizei propCount, const GLenum *props, GLsizei bufSize, GLsizei *length, GLint *params); +typedef GLint (APIENTRYP PFNGLGETPROGRAMRESOURCELOCATIONPROC) (GLuint program, GLenum programInterface, const GLchar *name); +typedef GLint (APIENTRYP PFNGLGETPROGRAMRESOURCELOCATIONINDEXPROC) (GLuint program, GLenum programInterface, const GLchar *name); +#endif + +#ifndef GL_ARB_robust_buffer_access_behavior +#define GL_ARB_robust_buffer_access_behavior 1 +#endif + +#ifndef GL_ARB_shader_image_size +#define GL_ARB_shader_image_size 1 +#endif + +#ifndef GL_ARB_shader_storage_buffer_object +#define GL_ARB_shader_storage_buffer_object 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glShaderStorageBlockBinding (GLuint program, GLuint storageBlockIndex, GLuint storageBlockBinding); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLSHADERSTORAGEBLOCKBINDINGPROC) (GLuint program, GLuint storageBlockIndex, GLuint storageBlockBinding); +#endif + +#ifndef GL_ARB_stencil_texturing +#define GL_ARB_stencil_texturing 1 +#endif + +#ifndef GL_ARB_texture_buffer_range +#define GL_ARB_texture_buffer_range 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glTexBufferRange (GLenum target, GLenum internalformat, GLuint buffer, GLintptr offset, GLsizeiptr size); +GLAPI void APIENTRY glTextureBufferRangeEXT (GLuint texture, GLenum target, GLenum internalformat, GLuint buffer, GLintptr offset, GLsizeiptr size); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLTEXBUFFERRANGEPROC) (GLenum target, GLenum internalformat, GLuint buffer, GLintptr offset, GLsizeiptr size); +typedef void (APIENTRYP PFNGLTEXTUREBUFFERRANGEEXTPROC) (GLuint texture, GLenum target, GLenum internalformat, GLuint buffer, GLintptr offset, GLsizeiptr size); +#endif + +#ifndef GL_ARB_texture_query_levels +#define GL_ARB_texture_query_levels 1 +#endif + +#ifndef GL_ARB_texture_storage_multisample +#define GL_ARB_texture_storage_multisample 1 +#ifdef GLCOREARB_PROTOTYPES +GLAPI void APIENTRY glTexStorage2DMultisample (GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height, GLboolean fixedsamplelocations); +GLAPI void APIENTRY glTexStorage3DMultisample (GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLboolean fixedsamplelocations); +GLAPI void APIENTRY glTextureStorage2DMultisampleEXT (GLuint texture, GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height, GLboolean fixedsamplelocations); +GLAPI void APIENTRY glTextureStorage3DMultisampleEXT (GLuint texture, GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLboolean fixedsamplelocations); +#endif /* GLCOREARB_PROTOTYPES */ +typedef void (APIENTRYP PFNGLTEXSTORAGE2DMULTISAMPLEPROC) (GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height, GLboolean fixedsamplelocations); +typedef void (APIENTRYP PFNGLTEXSTORAGE3DMULTISAMPLEPROC) (GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLboolean fixedsamplelocations); +typedef void (APIENTRYP PFNGLTEXTURESTORAGE2DMULTISAMPLEEXTPROC) (GLuint texture, GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height, GLboolean fixedsamplelocations); +typedef void (APIENTRYP PFNGLTEXTURESTORAGE3DMULTISAMPLEEXTPROC) (GLuint texture, GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLboolean fixedsamplelocations); +#endif + + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/imgui-submodule/imgui/examples/libs/glfw/COPYING.txt b/imgui-submodule/imgui/examples/libs/glfw/COPYING.txt new file mode 100644 index 0000000..b30c701 --- /dev/null +++ b/imgui-submodule/imgui/examples/libs/glfw/COPYING.txt @@ -0,0 +1,22 @@ +Copyright (c) 2002-2006 Marcus Geelnard +Copyright (c) 2006-2010 Camilla Berglund + +This software is provided 'as-is', without any express or implied +warranty. In no event will the authors be held liable for any damages +arising from the use of this software. + +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it +freely, subject to the following restrictions: + +1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would + be appreciated but is not required. + +2. Altered source versions must be plainly marked as such, and must not + be misrepresented as being the original software. + +3. This notice may not be removed or altered from any source + distribution. + diff --git a/imgui-submodule/imgui/examples/libs/glfw/include/GLFW/glfw3.h b/imgui-submodule/imgui/examples/libs/glfw/include/GLFW/glfw3.h new file mode 100644 index 0000000..f8ca3d6 --- /dev/null +++ b/imgui-submodule/imgui/examples/libs/glfw/include/GLFW/glfw3.h @@ -0,0 +1,4227 @@ +/************************************************************************* + * GLFW 3.2 - www.glfw.org + * A library for OpenGL, window and input + *------------------------------------------------------------------------ + * Copyright (c) 2002-2006 Marcus Geelnard + * Copyright (c) 2006-2010 Camilla Berglund + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would + * be appreciated but is not required. + * + * 2. Altered source versions must be plainly marked as such, and must not + * be misrepresented as being the original software. + * + * 3. This notice may not be removed or altered from any source + * distribution. + * + *************************************************************************/ + +#ifndef _glfw3_h_ +#define _glfw3_h_ + +#ifdef __cplusplus +extern "C" { +#endif + + +/************************************************************************* + * Doxygen documentation + *************************************************************************/ + +/*! @file glfw3.h + * @brief The header of the GLFW 3 API. + * + * This is the header file of the GLFW 3 API. It defines all its types and + * declares all its functions. + * + * For more information about how to use this file, see @ref build_include. + */ +/*! @defgroup context Context reference + * + * This is the reference documentation for OpenGL and OpenGL ES context related + * functions. For more task-oriented information, see the @ref context_guide. + */ +/*! @defgroup vulkan Vulkan reference + * + * This is the reference documentation for Vulkan related functions and types. + * For more task-oriented information, see the @ref vulkan_guide. + */ +/*! @defgroup init Initialization, version and error reference + * + * This is the reference documentation for initialization and termination of + * the library, version management and error handling. For more task-oriented + * information, see the @ref intro_guide. + */ +/*! @defgroup input Input reference + * + * This is the reference documentation for input related functions and types. + * For more task-oriented information, see the @ref input_guide. + */ +/*! @defgroup monitor Monitor reference + * + * This is the reference documentation for monitor related functions and types. + * For more task-oriented information, see the @ref monitor_guide. + */ +/*! @defgroup window Window reference + * + * This is the reference documentation for window related functions and types, + * including creation, deletion and event polling. For more task-oriented + * information, see the @ref window_guide. + */ + + +/************************************************************************* + * Compiler- and platform-specific preprocessor work + *************************************************************************/ + +/* If we are we on Windows, we want a single define for it. + */ +#if !defined(_WIN32) && (defined(__WIN32__) || defined(WIN32) || defined(__MINGW32__)) + #define _WIN32 +#endif /* _WIN32 */ + +/* It is customary to use APIENTRY for OpenGL function pointer declarations on + * all platforms. Additionally, the Windows OpenGL header needs APIENTRY. + */ +#ifndef APIENTRY + #ifdef _WIN32 + #define APIENTRY __stdcall + #else + #define APIENTRY + #endif +#endif /* APIENTRY */ + +/* Some Windows OpenGL headers need this. + */ +#if !defined(WINGDIAPI) && defined(_WIN32) + #define WINGDIAPI __declspec(dllimport) + #define GLFW_WINGDIAPI_DEFINED +#endif /* WINGDIAPI */ + +/* Some Windows GLU headers need this. + */ +#if !defined(CALLBACK) && defined(_WIN32) + #define CALLBACK __stdcall + #define GLFW_CALLBACK_DEFINED +#endif /* CALLBACK */ + +/* Most Windows GLU headers need wchar_t. + * The OS X OpenGL header blocks the definition of ptrdiff_t by glext.h. + * Include it unconditionally to avoid surprising side-effects. + */ +#include +#include + +/* Include the chosen client API headers. + */ +#if defined(__APPLE__) + #if defined(GLFW_INCLUDE_GLCOREARB) + #include + #if defined(GLFW_INCLUDE_GLEXT) + #include + #endif + #elif !defined(GLFW_INCLUDE_NONE) + #if !defined(GLFW_INCLUDE_GLEXT) + #define GL_GLEXT_LEGACY + #endif + #include + #endif + #if defined(GLFW_INCLUDE_GLU) + #include + #endif +#else + #if defined(GLFW_INCLUDE_GLCOREARB) + #include + #elif defined(GLFW_INCLUDE_ES1) + #include + #if defined(GLFW_INCLUDE_GLEXT) + #include + #endif + #elif defined(GLFW_INCLUDE_ES2) + #include + #if defined(GLFW_INCLUDE_GLEXT) + #include + #endif + #elif defined(GLFW_INCLUDE_ES3) + #include + #if defined(GLFW_INCLUDE_GLEXT) + #include + #endif + #elif defined(GLFW_INCLUDE_ES31) + #include + #if defined(GLFW_INCLUDE_GLEXT) + #include + #endif + #elif defined(GLFW_INCLUDE_VULKAN) + #include + #elif !defined(GLFW_INCLUDE_NONE) + #include + #if defined(GLFW_INCLUDE_GLEXT) + #include + #endif + #endif + #if defined(GLFW_INCLUDE_GLU) + #include + #endif +#endif + +#if defined(GLFW_DLL) && defined(_GLFW_BUILD_DLL) + /* GLFW_DLL must be defined by applications that are linking against the DLL + * version of the GLFW library. _GLFW_BUILD_DLL is defined by the GLFW + * configuration header when compiling the DLL version of the library. + */ + #error "You must not have both GLFW_DLL and _GLFW_BUILD_DLL defined" +#endif + +/* GLFWAPI is used to declare public API functions for export + * from the DLL / shared library / dynamic library. + */ +#if defined(_WIN32) && defined(_GLFW_BUILD_DLL) + /* We are building GLFW as a Win32 DLL */ + #define GLFWAPI __declspec(dllexport) +#elif defined(_WIN32) && defined(GLFW_DLL) + /* We are calling GLFW as a Win32 DLL */ + #define GLFWAPI __declspec(dllimport) +#elif defined(__GNUC__) && defined(_GLFW_BUILD_DLL) + /* We are building GLFW as a shared / dynamic library */ + #define GLFWAPI __attribute__((visibility("default"))) +#else + /* We are building or calling GLFW as a static library */ + #define GLFWAPI +#endif + + +/************************************************************************* + * GLFW API tokens + *************************************************************************/ + +/*! @name GLFW version macros + * @{ */ +/*! @brief The major version number of the GLFW library. + * + * This is incremented when the API is changed in non-compatible ways. + * @ingroup init + */ +#define GLFW_VERSION_MAJOR 3 +/*! @brief The minor version number of the GLFW library. + * + * This is incremented when features are added to the API but it remains + * backward-compatible. + * @ingroup init + */ +#define GLFW_VERSION_MINOR 2 +/*! @brief The revision number of the GLFW library. + * + * This is incremented when a bug fix release is made that does not contain any + * API changes. + * @ingroup init + */ +#define GLFW_VERSION_REVISION 0 +/*! @} */ + +/*! @name Boolean values + * @{ */ +/*! @brief One. + * + * One. Seriously. You don't _need_ to use this symbol in your code. It's + * just semantic sugar for the number 1. You can use `1` or `true` or `_True` + * or `GL_TRUE` or whatever you want. + */ +#define GLFW_TRUE 1 +/*! @brief Zero. + * + * Zero. Seriously. You don't _need_ to use this symbol in your code. It's + * just just semantic sugar for the number 0. You can use `0` or `false` or + * `_False` or `GL_FALSE` or whatever you want. + */ +#define GLFW_FALSE 0 +/*! @} */ + +/*! @name Key and button actions + * @{ */ +/*! @brief The key or mouse button was released. + * + * The key or mouse button was released. + * + * @ingroup input + */ +#define GLFW_RELEASE 0 +/*! @brief The key or mouse button was pressed. + * + * The key or mouse button was pressed. + * + * @ingroup input + */ +#define GLFW_PRESS 1 +/*! @brief The key was held down until it repeated. + * + * The key was held down until it repeated. + * + * @ingroup input + */ +#define GLFW_REPEAT 2 +/*! @} */ + +/*! @defgroup keys Keyboard keys + * + * See [key input](@ref input_key) for how these are used. + * + * These key codes are inspired by the _USB HID Usage Tables v1.12_ (p. 53-60), + * but re-arranged to map to 7-bit ASCII for printable keys (function keys are + * put in the 256+ range). + * + * The naming of the key codes follow these rules: + * - The US keyboard layout is used + * - Names of printable alpha-numeric characters are used (e.g. "A", "R", + * "3", etc.) + * - For non-alphanumeric characters, Unicode:ish names are used (e.g. + * "COMMA", "LEFT_SQUARE_BRACKET", etc.). Note that some names do not + * correspond to the Unicode standard (usually for brevity) + * - Keys that lack a clear US mapping are named "WORLD_x" + * - For non-printable keys, custom names are used (e.g. "F4", + * "BACKSPACE", etc.) + * + * @ingroup input + * @{ + */ + +/* The unknown key */ +#define GLFW_KEY_UNKNOWN -1 + +/* Printable keys */ +#define GLFW_KEY_SPACE 32 +#define GLFW_KEY_APOSTROPHE 39 /* ' */ +#define GLFW_KEY_COMMA 44 /* , */ +#define GLFW_KEY_MINUS 45 /* - */ +#define GLFW_KEY_PERIOD 46 /* . */ +#define GLFW_KEY_SLASH 47 /* / */ +#define GLFW_KEY_0 48 +#define GLFW_KEY_1 49 +#define GLFW_KEY_2 50 +#define GLFW_KEY_3 51 +#define GLFW_KEY_4 52 +#define GLFW_KEY_5 53 +#define GLFW_KEY_6 54 +#define GLFW_KEY_7 55 +#define GLFW_KEY_8 56 +#define GLFW_KEY_9 57 +#define GLFW_KEY_SEMICOLON 59 /* ; */ +#define GLFW_KEY_EQUAL 61 /* = */ +#define GLFW_KEY_A 65 +#define GLFW_KEY_B 66 +#define GLFW_KEY_C 67 +#define GLFW_KEY_D 68 +#define GLFW_KEY_E 69 +#define GLFW_KEY_F 70 +#define GLFW_KEY_G 71 +#define GLFW_KEY_H 72 +#define GLFW_KEY_I 73 +#define GLFW_KEY_J 74 +#define GLFW_KEY_K 75 +#define GLFW_KEY_L 76 +#define GLFW_KEY_M 77 +#define GLFW_KEY_N 78 +#define GLFW_KEY_O 79 +#define GLFW_KEY_P 80 +#define GLFW_KEY_Q 81 +#define GLFW_KEY_R 82 +#define GLFW_KEY_S 83 +#define GLFW_KEY_T 84 +#define GLFW_KEY_U 85 +#define GLFW_KEY_V 86 +#define GLFW_KEY_W 87 +#define GLFW_KEY_X 88 +#define GLFW_KEY_Y 89 +#define GLFW_KEY_Z 90 +#define GLFW_KEY_LEFT_BRACKET 91 /* [ */ +#define GLFW_KEY_BACKSLASH 92 /* \ */ +#define GLFW_KEY_RIGHT_BRACKET 93 /* ] */ +#define GLFW_KEY_GRAVE_ACCENT 96 /* ` */ +#define GLFW_KEY_WORLD_1 161 /* non-US #1 */ +#define GLFW_KEY_WORLD_2 162 /* non-US #2 */ + +/* Function keys */ +#define GLFW_KEY_ESCAPE 256 +#define GLFW_KEY_ENTER 257 +#define GLFW_KEY_TAB 258 +#define GLFW_KEY_BACKSPACE 259 +#define GLFW_KEY_INSERT 260 +#define GLFW_KEY_DELETE 261 +#define GLFW_KEY_RIGHT 262 +#define GLFW_KEY_LEFT 263 +#define GLFW_KEY_DOWN 264 +#define GLFW_KEY_UP 265 +#define GLFW_KEY_PAGE_UP 266 +#define GLFW_KEY_PAGE_DOWN 267 +#define GLFW_KEY_HOME 268 +#define GLFW_KEY_END 269 +#define GLFW_KEY_CAPS_LOCK 280 +#define GLFW_KEY_SCROLL_LOCK 281 +#define GLFW_KEY_NUM_LOCK 282 +#define GLFW_KEY_PRINT_SCREEN 283 +#define GLFW_KEY_PAUSE 284 +#define GLFW_KEY_F1 290 +#define GLFW_KEY_F2 291 +#define GLFW_KEY_F3 292 +#define GLFW_KEY_F4 293 +#define GLFW_KEY_F5 294 +#define GLFW_KEY_F6 295 +#define GLFW_KEY_F7 296 +#define GLFW_KEY_F8 297 +#define GLFW_KEY_F9 298 +#define GLFW_KEY_F10 299 +#define GLFW_KEY_F11 300 +#define GLFW_KEY_F12 301 +#define GLFW_KEY_F13 302 +#define GLFW_KEY_F14 303 +#define GLFW_KEY_F15 304 +#define GLFW_KEY_F16 305 +#define GLFW_KEY_F17 306 +#define GLFW_KEY_F18 307 +#define GLFW_KEY_F19 308 +#define GLFW_KEY_F20 309 +#define GLFW_KEY_F21 310 +#define GLFW_KEY_F22 311 +#define GLFW_KEY_F23 312 +#define GLFW_KEY_F24 313 +#define GLFW_KEY_F25 314 +#define GLFW_KEY_KP_0 320 +#define GLFW_KEY_KP_1 321 +#define GLFW_KEY_KP_2 322 +#define GLFW_KEY_KP_3 323 +#define GLFW_KEY_KP_4 324 +#define GLFW_KEY_KP_5 325 +#define GLFW_KEY_KP_6 326 +#define GLFW_KEY_KP_7 327 +#define GLFW_KEY_KP_8 328 +#define GLFW_KEY_KP_9 329 +#define GLFW_KEY_KP_DECIMAL 330 +#define GLFW_KEY_KP_DIVIDE 331 +#define GLFW_KEY_KP_MULTIPLY 332 +#define GLFW_KEY_KP_SUBTRACT 333 +#define GLFW_KEY_KP_ADD 334 +#define GLFW_KEY_KP_ENTER 335 +#define GLFW_KEY_KP_EQUAL 336 +#define GLFW_KEY_LEFT_SHIFT 340 +#define GLFW_KEY_LEFT_CONTROL 341 +#define GLFW_KEY_LEFT_ALT 342 +#define GLFW_KEY_LEFT_SUPER 343 +#define GLFW_KEY_RIGHT_SHIFT 344 +#define GLFW_KEY_RIGHT_CONTROL 345 +#define GLFW_KEY_RIGHT_ALT 346 +#define GLFW_KEY_RIGHT_SUPER 347 +#define GLFW_KEY_MENU 348 + +#define GLFW_KEY_LAST GLFW_KEY_MENU + +/*! @} */ + +/*! @defgroup mods Modifier key flags + * + * See [key input](@ref input_key) for how these are used. + * + * @ingroup input + * @{ */ + +/*! @brief If this bit is set one or more Shift keys were held down. + */ +#define GLFW_MOD_SHIFT 0x0001 +/*! @brief If this bit is set one or more Control keys were held down. + */ +#define GLFW_MOD_CONTROL 0x0002 +/*! @brief If this bit is set one or more Alt keys were held down. + */ +#define GLFW_MOD_ALT 0x0004 +/*! @brief If this bit is set one or more Super keys were held down. + */ +#define GLFW_MOD_SUPER 0x0008 + +/*! @} */ + +/*! @defgroup buttons Mouse buttons + * + * See [mouse button input](@ref input_mouse_button) for how these are used. + * + * @ingroup input + * @{ */ +#define GLFW_MOUSE_BUTTON_1 0 +#define GLFW_MOUSE_BUTTON_2 1 +#define GLFW_MOUSE_BUTTON_3 2 +#define GLFW_MOUSE_BUTTON_4 3 +#define GLFW_MOUSE_BUTTON_5 4 +#define GLFW_MOUSE_BUTTON_6 5 +#define GLFW_MOUSE_BUTTON_7 6 +#define GLFW_MOUSE_BUTTON_8 7 +#define GLFW_MOUSE_BUTTON_LAST GLFW_MOUSE_BUTTON_8 +#define GLFW_MOUSE_BUTTON_LEFT GLFW_MOUSE_BUTTON_1 +#define GLFW_MOUSE_BUTTON_RIGHT GLFW_MOUSE_BUTTON_2 +#define GLFW_MOUSE_BUTTON_MIDDLE GLFW_MOUSE_BUTTON_3 +/*! @} */ + +/*! @defgroup joysticks Joysticks + * + * See [joystick input](@ref joystick) for how these are used. + * + * @ingroup input + * @{ */ +#define GLFW_JOYSTICK_1 0 +#define GLFW_JOYSTICK_2 1 +#define GLFW_JOYSTICK_3 2 +#define GLFW_JOYSTICK_4 3 +#define GLFW_JOYSTICK_5 4 +#define GLFW_JOYSTICK_6 5 +#define GLFW_JOYSTICK_7 6 +#define GLFW_JOYSTICK_8 7 +#define GLFW_JOYSTICK_9 8 +#define GLFW_JOYSTICK_10 9 +#define GLFW_JOYSTICK_11 10 +#define GLFW_JOYSTICK_12 11 +#define GLFW_JOYSTICK_13 12 +#define GLFW_JOYSTICK_14 13 +#define GLFW_JOYSTICK_15 14 +#define GLFW_JOYSTICK_16 15 +#define GLFW_JOYSTICK_LAST GLFW_JOYSTICK_16 +/*! @} */ + +/*! @defgroup errors Error codes + * + * See [error handling](@ref error_handling) for how these are used. + * + * @ingroup init + * @{ */ +/*! @brief GLFW has not been initialized. + * + * This occurs if a GLFW function was called that must not be called unless the + * library is [initialized](@ref intro_init). + * + * @analysis Application programmer error. Initialize GLFW before calling any + * function that requires initialization. + */ +#define GLFW_NOT_INITIALIZED 0x00010001 +/*! @brief No context is current for this thread. + * + * This occurs if a GLFW function was called that needs and operates on the + * current OpenGL or OpenGL ES context but no context is current on the calling + * thread. One such function is @ref glfwSwapInterval. + * + * @analysis Application programmer error. Ensure a context is current before + * calling functions that require a current context. + */ +#define GLFW_NO_CURRENT_CONTEXT 0x00010002 +/*! @brief One of the arguments to the function was an invalid enum value. + * + * One of the arguments to the function was an invalid enum value, for example + * requesting [GLFW_RED_BITS](@ref window_hints_fb) with @ref + * glfwGetWindowAttrib. + * + * @analysis Application programmer error. Fix the offending call. + */ +#define GLFW_INVALID_ENUM 0x00010003 +/*! @brief One of the arguments to the function was an invalid value. + * + * One of the arguments to the function was an invalid value, for example + * requesting a non-existent OpenGL or OpenGL ES version like 2.7. + * + * Requesting a valid but unavailable OpenGL or OpenGL ES version will instead + * result in a @ref GLFW_VERSION_UNAVAILABLE error. + * + * @analysis Application programmer error. Fix the offending call. + */ +#define GLFW_INVALID_VALUE 0x00010004 +/*! @brief A memory allocation failed. + * + * A memory allocation failed. + * + * @analysis A bug in GLFW or the underlying operating system. Report the bug + * to our [issue tracker](https://github.com/glfw/glfw/issues). + */ +#define GLFW_OUT_OF_MEMORY 0x00010005 +/*! @brief GLFW could not find support for the requested API on the system. + * + * GLFW could not find support for the requested API on the system. + * + * @analysis The installed graphics driver does not support the requested + * API, or does not support it via the chosen context creation backend. + * Below are a few examples. + * + * @par + * Some pre-installed Windows graphics drivers do not support OpenGL. AMD only + * supports OpenGL ES via EGL, while Nvidia and Intel only support it via + * a WGL or GLX extension. OS X does not provide OpenGL ES at all. The Mesa + * EGL, OpenGL and OpenGL ES libraries do not interface with the Nvidia binary + * driver. Older graphics drivers do not support Vulkan. + */ +#define GLFW_API_UNAVAILABLE 0x00010006 +/*! @brief The requested OpenGL or OpenGL ES version is not available. + * + * The requested OpenGL or OpenGL ES version (including any requested context + * or framebuffer hints) is not available on this machine. + * + * @analysis The machine does not support your requirements. If your + * application is sufficiently flexible, downgrade your requirements and try + * again. Otherwise, inform the user that their machine does not match your + * requirements. + * + * @par + * Future invalid OpenGL and OpenGL ES versions, for example OpenGL 4.8 if 5.0 + * comes out before the 4.x series gets that far, also fail with this error and + * not @ref GLFW_INVALID_VALUE, because GLFW cannot know what future versions + * will exist. + */ +#define GLFW_VERSION_UNAVAILABLE 0x00010007 +/*! @brief A platform-specific error occurred that does not match any of the + * more specific categories. + * + * A platform-specific error occurred that does not match any of the more + * specific categories. + * + * @analysis A bug or configuration error in GLFW, the underlying operating + * system or its drivers, or a lack of required resources. Report the issue to + * our [issue tracker](https://github.com/glfw/glfw/issues). + */ +#define GLFW_PLATFORM_ERROR 0x00010008 +/*! @brief The requested format is not supported or available. + * + * If emitted during window creation, the requested pixel format is not + * supported. + * + * If emitted when querying the clipboard, the contents of the clipboard could + * not be converted to the requested format. + * + * @analysis If emitted during window creation, one or more + * [hard constraints](@ref window_hints_hard) did not match any of the + * available pixel formats. If your application is sufficiently flexible, + * downgrade your requirements and try again. Otherwise, inform the user that + * their machine does not match your requirements. + * + * @par + * If emitted when querying the clipboard, ignore the error or report it to + * the user, as appropriate. + */ +#define GLFW_FORMAT_UNAVAILABLE 0x00010009 +/*! @brief The specified window does not have an OpenGL or OpenGL ES context. + * + * A window that does not have an OpenGL or OpenGL ES context was passed to + * a function that requires it to have one. + * + * @analysis Application programmer error. Fix the offending call. + */ +#define GLFW_NO_WINDOW_CONTEXT 0x0001000A +/*! @} */ + +#define GLFW_FOCUSED 0x00020001 +#define GLFW_ICONIFIED 0x00020002 +#define GLFW_RESIZABLE 0x00020003 +#define GLFW_VISIBLE 0x00020004 +#define GLFW_DECORATED 0x00020005 +#define GLFW_AUTO_ICONIFY 0x00020006 +#define GLFW_FLOATING 0x00020007 +#define GLFW_MAXIMIZED 0x00020008 + +#define GLFW_RED_BITS 0x00021001 +#define GLFW_GREEN_BITS 0x00021002 +#define GLFW_BLUE_BITS 0x00021003 +#define GLFW_ALPHA_BITS 0x00021004 +#define GLFW_DEPTH_BITS 0x00021005 +#define GLFW_STENCIL_BITS 0x00021006 +#define GLFW_ACCUM_RED_BITS 0x00021007 +#define GLFW_ACCUM_GREEN_BITS 0x00021008 +#define GLFW_ACCUM_BLUE_BITS 0x00021009 +#define GLFW_ACCUM_ALPHA_BITS 0x0002100A +#define GLFW_AUX_BUFFERS 0x0002100B +#define GLFW_STEREO 0x0002100C +#define GLFW_SAMPLES 0x0002100D +#define GLFW_SRGB_CAPABLE 0x0002100E +#define GLFW_REFRESH_RATE 0x0002100F +#define GLFW_DOUBLEBUFFER 0x00021010 + +#define GLFW_CLIENT_API 0x00022001 +#define GLFW_CONTEXT_VERSION_MAJOR 0x00022002 +#define GLFW_CONTEXT_VERSION_MINOR 0x00022003 +#define GLFW_CONTEXT_REVISION 0x00022004 +#define GLFW_CONTEXT_ROBUSTNESS 0x00022005 +#define GLFW_OPENGL_FORWARD_COMPAT 0x00022006 +#define GLFW_OPENGL_DEBUG_CONTEXT 0x00022007 +#define GLFW_OPENGL_PROFILE 0x00022008 +#define GLFW_CONTEXT_RELEASE_BEHAVIOR 0x00022009 +#define GLFW_CONTEXT_NO_ERROR 0x0002200A + +#define GLFW_NO_API 0 +#define GLFW_OPENGL_API 0x00030001 +#define GLFW_OPENGL_ES_API 0x00030002 + +#define GLFW_NO_ROBUSTNESS 0 +#define GLFW_NO_RESET_NOTIFICATION 0x00031001 +#define GLFW_LOSE_CONTEXT_ON_RESET 0x00031002 + +#define GLFW_OPENGL_ANY_PROFILE 0 +#define GLFW_OPENGL_CORE_PROFILE 0x00032001 +#define GLFW_OPENGL_COMPAT_PROFILE 0x00032002 + +#define GLFW_CURSOR 0x00033001 +#define GLFW_STICKY_KEYS 0x00033002 +#define GLFW_STICKY_MOUSE_BUTTONS 0x00033003 + +#define GLFW_CURSOR_NORMAL 0x00034001 +#define GLFW_CURSOR_HIDDEN 0x00034002 +#define GLFW_CURSOR_DISABLED 0x00034003 + +#define GLFW_ANY_RELEASE_BEHAVIOR 0 +#define GLFW_RELEASE_BEHAVIOR_FLUSH 0x00035001 +#define GLFW_RELEASE_BEHAVIOR_NONE 0x00035002 + +/*! @defgroup shapes Standard cursor shapes + * + * See [standard cursor creation](@ref cursor_standard) for how these are used. + * + * @ingroup input + * @{ */ + +/*! @brief The regular arrow cursor shape. + * + * The regular arrow cursor. + */ +#define GLFW_ARROW_CURSOR 0x00036001 +/*! @brief The text input I-beam cursor shape. + * + * The text input I-beam cursor shape. + */ +#define GLFW_IBEAM_CURSOR 0x00036002 +/*! @brief The crosshair shape. + * + * The crosshair shape. + */ +#define GLFW_CROSSHAIR_CURSOR 0x00036003 +/*! @brief The hand shape. + * + * The hand shape. + */ +#define GLFW_HAND_CURSOR 0x00036004 +/*! @brief The horizontal resize arrow shape. + * + * The horizontal resize arrow shape. + */ +#define GLFW_HRESIZE_CURSOR 0x00036005 +/*! @brief The vertical resize arrow shape. + * + * The vertical resize arrow shape. + */ +#define GLFW_VRESIZE_CURSOR 0x00036006 +/*! @} */ + +#define GLFW_CONNECTED 0x00040001 +#define GLFW_DISCONNECTED 0x00040002 + +#define GLFW_DONT_CARE -1 + + +/************************************************************************* + * GLFW API types + *************************************************************************/ + +/*! @brief Client API function pointer type. + * + * Generic function pointer used for returning client API function pointers + * without forcing a cast from a regular pointer. + * + * @sa @ref context_glext + * @sa glfwGetProcAddress + * + * @since Added in version 3.0. + + * @ingroup context + */ +typedef void (*GLFWglproc)(void); + +/*! @brief Vulkan API function pointer type. + * + * Generic function pointer used for returning Vulkan API function pointers + * without forcing a cast from a regular pointer. + * + * @sa @ref vulkan_proc + * @sa glfwGetInstanceProcAddress + * + * @since Added in version 3.2. + * + * @ingroup vulkan + */ +typedef void (*GLFWvkproc)(void); + +/*! @brief Opaque monitor object. + * + * Opaque monitor object. + * + * @see @ref monitor_object + * + * @since Added in version 3.0. + * + * @ingroup monitor + */ +typedef struct GLFWmonitor GLFWmonitor; + +/*! @brief Opaque window object. + * + * Opaque window object. + * + * @see @ref window_object + * + * @since Added in version 3.0. + * + * @ingroup window + */ +typedef struct GLFWwindow GLFWwindow; + +/*! @brief Opaque cursor object. + * + * Opaque cursor object. + * + * @see @ref cursor_object + * + * @since Added in version 3.1. + * + * @ingroup cursor + */ +typedef struct GLFWcursor GLFWcursor; + +/*! @brief The function signature for error callbacks. + * + * This is the function signature for error callback functions. + * + * @param[in] error An [error code](@ref errors). + * @param[in] description A UTF-8 encoded string describing the error. + * + * @sa @ref error_handling + * @sa glfwSetErrorCallback + * + * @since Added in version 3.0. + * + * @ingroup init + */ +typedef void (* GLFWerrorfun)(int,const char*); + +/*! @brief The function signature for window position callbacks. + * + * This is the function signature for window position callback functions. + * + * @param[in] window The window that was moved. + * @param[in] xpos The new x-coordinate, in screen coordinates, of the + * upper-left corner of the client area of the window. + * @param[in] ypos The new y-coordinate, in screen coordinates, of the + * upper-left corner of the client area of the window. + * + * @sa @ref window_pos + * @sa glfwSetWindowPosCallback + * + * @since Added in version 3.0. + * + * @ingroup window + */ +typedef void (* GLFWwindowposfun)(GLFWwindow*,int,int); + +/*! @brief The function signature for window resize callbacks. + * + * This is the function signature for window size callback functions. + * + * @param[in] window The window that was resized. + * @param[in] width The new width, in screen coordinates, of the window. + * @param[in] height The new height, in screen coordinates, of the window. + * + * @sa @ref window_size + * @sa glfwSetWindowSizeCallback + * + * @since Added in version 1.0. + * @glfw3 Added window handle parameter. + * + * @ingroup window + */ +typedef void (* GLFWwindowsizefun)(GLFWwindow*,int,int); + +/*! @brief The function signature for window close callbacks. + * + * This is the function signature for window close callback functions. + * + * @param[in] window The window that the user attempted to close. + * + * @sa @ref window_close + * @sa glfwSetWindowCloseCallback + * + * @since Added in version 2.5. + * @glfw3 Added window handle parameter. + * + * @ingroup window + */ +typedef void (* GLFWwindowclosefun)(GLFWwindow*); + +/*! @brief The function signature for window content refresh callbacks. + * + * This is the function signature for window refresh callback functions. + * + * @param[in] window The window whose content needs to be refreshed. + * + * @sa @ref window_refresh + * @sa glfwSetWindowRefreshCallback + * + * @since Added in version 2.5. + * @glfw3 Added window handle parameter. + * + * @ingroup window + */ +typedef void (* GLFWwindowrefreshfun)(GLFWwindow*); + +/*! @brief The function signature for window focus/defocus callbacks. + * + * This is the function signature for window focus callback functions. + * + * @param[in] window The window that gained or lost input focus. + * @param[in] focused `GLFW_TRUE` if the window was given input focus, or + * `GLFW_FALSE` if it lost it. + * + * @sa @ref window_focus + * @sa glfwSetWindowFocusCallback + * + * @since Added in version 3.0. + * + * @ingroup window + */ +typedef void (* GLFWwindowfocusfun)(GLFWwindow*,int); + +/*! @brief The function signature for window iconify/restore callbacks. + * + * This is the function signature for window iconify/restore callback + * functions. + * + * @param[in] window The window that was iconified or restored. + * @param[in] iconified `GLFW_TRUE` if the window was iconified, or + * `GLFW_FALSE` if it was restored. + * + * @sa @ref window_iconify + * @sa glfwSetWindowIconifyCallback + * + * @since Added in version 3.0. + * + * @ingroup window + */ +typedef void (* GLFWwindowiconifyfun)(GLFWwindow*,int); + +/*! @brief The function signature for framebuffer resize callbacks. + * + * This is the function signature for framebuffer resize callback + * functions. + * + * @param[in] window The window whose framebuffer was resized. + * @param[in] width The new width, in pixels, of the framebuffer. + * @param[in] height The new height, in pixels, of the framebuffer. + * + * @sa @ref window_fbsize + * @sa glfwSetFramebufferSizeCallback + * + * @since Added in version 3.0. + * + * @ingroup window + */ +typedef void (* GLFWframebuffersizefun)(GLFWwindow*,int,int); + +/*! @brief The function signature for mouse button callbacks. + * + * This is the function signature for mouse button callback functions. + * + * @param[in] window The window that received the event. + * @param[in] button The [mouse button](@ref buttons) that was pressed or + * released. + * @param[in] action One of `GLFW_PRESS` or `GLFW_RELEASE`. + * @param[in] mods Bit field describing which [modifier keys](@ref mods) were + * held down. + * + * @sa @ref input_mouse_button + * @sa glfwSetMouseButtonCallback + * + * @since Added in version 1.0. + * @glfw3 Added window handle and modifier mask parameters. + * + * @ingroup input + */ +typedef void (* GLFWmousebuttonfun)(GLFWwindow*,int,int,int); + +/*! @brief The function signature for cursor position callbacks. + * + * This is the function signature for cursor position callback functions. + * + * @param[in] window The window that received the event. + * @param[in] xpos The new cursor x-coordinate, relative to the left edge of + * the client area. + * @param[in] ypos The new cursor y-coordinate, relative to the top edge of the + * client area. + * + * @sa @ref cursor_pos + * @sa glfwSetCursorPosCallback + * + * @since Added in version 3.0. Replaces `GLFWmouseposfun`. + * + * @ingroup input + */ +typedef void (* GLFWcursorposfun)(GLFWwindow*,double,double); + +/*! @brief The function signature for cursor enter/leave callbacks. + * + * This is the function signature for cursor enter/leave callback functions. + * + * @param[in] window The window that received the event. + * @param[in] entered `GLFW_TRUE` if the cursor entered the window's client + * area, or `GLFW_FALSE` if it left it. + * + * @sa @ref cursor_enter + * @sa glfwSetCursorEnterCallback + * + * @since Added in version 3.0. + * + * @ingroup input + */ +typedef void (* GLFWcursorenterfun)(GLFWwindow*,int); + +/*! @brief The function signature for scroll callbacks. + * + * This is the function signature for scroll callback functions. + * + * @param[in] window The window that received the event. + * @param[in] xoffset The scroll offset along the x-axis. + * @param[in] yoffset The scroll offset along the y-axis. + * + * @sa @ref scrolling + * @sa glfwSetScrollCallback + * + * @since Added in version 3.0. Replaces `GLFWmousewheelfun`. + * + * @ingroup input + */ +typedef void (* GLFWscrollfun)(GLFWwindow*,double,double); + +/*! @brief The function signature for keyboard key callbacks. + * + * This is the function signature for keyboard key callback functions. + * + * @param[in] window The window that received the event. + * @param[in] key The [keyboard key](@ref keys) that was pressed or released. + * @param[in] scancode The system-specific scancode of the key. + * @param[in] action `GLFW_PRESS`, `GLFW_RELEASE` or `GLFW_REPEAT`. + * @param[in] mods Bit field describing which [modifier keys](@ref mods) were + * held down. + * + * @sa @ref input_key + * @sa glfwSetKeyCallback + * + * @since Added in version 1.0. + * @glfw3 Added window handle, scancode and modifier mask parameters. + * + * @ingroup input + */ +typedef void (* GLFWkeyfun)(GLFWwindow*,int,int,int,int); + +/*! @brief The function signature for Unicode character callbacks. + * + * This is the function signature for Unicode character callback functions. + * + * @param[in] window The window that received the event. + * @param[in] codepoint The Unicode code point of the character. + * + * @sa @ref input_char + * @sa glfwSetCharCallback + * + * @since Added in version 2.4. + * @glfw3 Added window handle parameter. + * + * @ingroup input + */ +typedef void (* GLFWcharfun)(GLFWwindow*,unsigned int); + +/*! @brief The function signature for Unicode character with modifiers + * callbacks. + * + * This is the function signature for Unicode character with modifiers callback + * functions. It is called for each input character, regardless of what + * modifier keys are held down. + * + * @param[in] window The window that received the event. + * @param[in] codepoint The Unicode code point of the character. + * @param[in] mods Bit field describing which [modifier keys](@ref mods) were + * held down. + * + * @sa @ref input_char + * @sa glfwSetCharModsCallback + * + * @since Added in version 3.1. + * + * @ingroup input + */ +typedef void (* GLFWcharmodsfun)(GLFWwindow*,unsigned int,int); + +/*! @brief The function signature for file drop callbacks. + * + * This is the function signature for file drop callbacks. + * + * @param[in] window The window that received the event. + * @param[in] count The number of dropped files. + * @param[in] paths The UTF-8 encoded file and/or directory path names. + * + * @sa @ref path_drop + * @sa glfwSetDropCallback + * + * @since Added in version 3.1. + * + * @ingroup input + */ +typedef void (* GLFWdropfun)(GLFWwindow*,int,const char**); + +/*! @brief The function signature for monitor configuration callbacks. + * + * This is the function signature for monitor configuration callback functions. + * + * @param[in] monitor The monitor that was connected or disconnected. + * @param[in] event One of `GLFW_CONNECTED` or `GLFW_DISCONNECTED`. + * + * @sa @ref monitor_event + * @sa glfwSetMonitorCallback + * + * @since Added in version 3.0. + * + * @ingroup monitor + */ +typedef void (* GLFWmonitorfun)(GLFWmonitor*,int); + +/*! @brief The function signature for joystick configuration callbacks. + * + * This is the function signature for joystick configuration callback + * functions. + * + * @param[in] joy The joystick that was connected or disconnected. + * @param[in] event One of `GLFW_CONNECTED` or `GLFW_DISCONNECTED`. + * + * @sa @ref joystick_event + * @sa glfwSetJoystickCallback + * + * @since Added in version 3.2. + * + * @ingroup input + */ +typedef void (* GLFWjoystickfun)(int,int); + +/*! @brief Video mode type. + * + * This describes a single video mode. + * + * @sa @ref monitor_modes + * @sa glfwGetVideoMode glfwGetVideoModes + * + * @since Added in version 1.0. + * @glfw3 Added refresh rate member. + * + * @ingroup monitor + */ +typedef struct GLFWvidmode +{ + /*! The width, in screen coordinates, of the video mode. + */ + int width; + /*! The height, in screen coordinates, of the video mode. + */ + int height; + /*! The bit depth of the red channel of the video mode. + */ + int redBits; + /*! The bit depth of the green channel of the video mode. + */ + int greenBits; + /*! The bit depth of the blue channel of the video mode. + */ + int blueBits; + /*! The refresh rate, in Hz, of the video mode. + */ + int refreshRate; +} GLFWvidmode; + +/*! @brief Gamma ramp. + * + * This describes the gamma ramp for a monitor. + * + * @sa @ref monitor_gamma + * @sa glfwGetGammaRamp glfwSetGammaRamp + * + * @since Added in version 3.0. + * + * @ingroup monitor + */ +typedef struct GLFWgammaramp +{ + /*! An array of value describing the response of the red channel. + */ + unsigned short* red; + /*! An array of value describing the response of the green channel. + */ + unsigned short* green; + /*! An array of value describing the response of the blue channel. + */ + unsigned short* blue; + /*! The number of elements in each array. + */ + unsigned int size; +} GLFWgammaramp; + +/*! @brief Image data. + * + * @sa @ref cursor_custom + * + * @since Added in version 2.1. + * @glfw3 Removed format and bytes-per-pixel members. + */ +typedef struct GLFWimage +{ + /*! The width, in pixels, of this image. + */ + int width; + /*! The height, in pixels, of this image. + */ + int height; + /*! The pixel data of this image, arranged left-to-right, top-to-bottom. + */ + unsigned char* pixels; +} GLFWimage; + + +/************************************************************************* + * GLFW API functions + *************************************************************************/ + +/*! @brief Initializes the GLFW library. + * + * This function initializes the GLFW library. Before most GLFW functions can + * be used, GLFW must be initialized, and before an application terminates GLFW + * should be terminated in order to free any resources allocated during or + * after initialization. + * + * If this function fails, it calls @ref glfwTerminate before returning. If it + * succeeds, you should call @ref glfwTerminate before the application exits. + * + * Additional calls to this function after successful initialization but before + * termination will return `GLFW_TRUE` immediately. + * + * @return `GLFW_TRUE` if successful, or `GLFW_FALSE` if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_PLATFORM_ERROR. + * + * @remark @osx This function will change the current directory of the + * application to the `Contents/Resources` subdirectory of the application's + * bundle, if present. This can be disabled with a + * [compile-time option](@ref compile_options_osx). + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref intro_init + * @sa glfwTerminate + * + * @since Added in version 1.0. + * + * @ingroup init + */ +GLFWAPI int glfwInit(void); + +/*! @brief Terminates the GLFW library. + * + * This function destroys all remaining windows and cursors, restores any + * modified gamma ramps and frees any other allocated resources. Once this + * function is called, you must again call @ref glfwInit successfully before + * you will be able to use most GLFW functions. + * + * If GLFW has been successfully initialized, this function should be called + * before the application exits. If initialization fails, there is no need to + * call this function, as it is called by @ref glfwInit before it returns + * failure. + * + * @errors Possible errors include @ref GLFW_PLATFORM_ERROR. + * + * @remark This function may be called before @ref glfwInit. + * + * @warning The contexts of any remaining windows must not be current on any + * other thread when this function is called. + * + * @reentrancy This function must not be called from a callback. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref intro_init + * @sa glfwInit + * + * @since Added in version 1.0. + * + * @ingroup init + */ +GLFWAPI void glfwTerminate(void); + +/*! @brief Retrieves the version of the GLFW library. + * + * This function retrieves the major, minor and revision numbers of the GLFW + * library. It is intended for when you are using GLFW as a shared library and + * want to ensure that you are using the minimum required version. + * + * Any or all of the version arguments may be `NULL`. + * + * @param[out] major Where to store the major version number, or `NULL`. + * @param[out] minor Where to store the minor version number, or `NULL`. + * @param[out] rev Where to store the revision number, or `NULL`. + * + * @errors None. + * + * @remark This function may be called before @ref glfwInit. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref intro_version + * @sa glfwGetVersionString + * + * @since Added in version 1.0. + * + * @ingroup init + */ +GLFWAPI void glfwGetVersion(int* major, int* minor, int* rev); + +/*! @brief Returns a string describing the compile-time configuration. + * + * This function returns the compile-time generated + * [version string](@ref intro_version_string) of the GLFW library binary. It + * describes the version, platform, compiler and any platform-specific + * compile-time options. It should not be confused with the OpenGL or OpenGL + * ES version string, queried with `glGetString`. + * + * __Do not use the version string__ to parse the GLFW library version. The + * @ref glfwGetVersion function provides the version of the running library + * binary in numerical format. + * + * @return The ASCII encoded GLFW version string. + * + * @errors None. + * + * @remark This function may be called before @ref glfwInit. + * + * @pointer_lifetime The returned string is static and compile-time generated. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref intro_version + * @sa glfwGetVersion + * + * @since Added in version 3.0. + * + * @ingroup init + */ +GLFWAPI const char* glfwGetVersionString(void); + +/*! @brief Sets the error callback. + * + * This function sets the error callback, which is called with an error code + * and a human-readable description each time a GLFW error occurs. + * + * The error callback is called on the thread where the error occurred. If you + * are using GLFW from multiple threads, your error callback needs to be + * written accordingly. + * + * Because the description string may have been generated specifically for that + * error, it is not guaranteed to be valid after the callback has returned. If + * you wish to use it after the callback returns, you need to make a copy. + * + * Once set, the error callback remains set even after the library has been + * terminated. + * + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set. + * + * @errors None. + * + * @remark This function may be called before @ref glfwInit. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref error_handling + * + * @since Added in version 3.0. + * + * @ingroup init + */ +GLFWAPI GLFWerrorfun glfwSetErrorCallback(GLFWerrorfun cbfun); + +/*! @brief Returns the currently connected monitors. + * + * This function returns an array of handles for all currently connected + * monitors. The primary monitor is always first in the returned array. If no + * monitors were found, this function returns `NULL`. + * + * @param[out] count Where to store the number of monitors in the returned + * array. This is set to zero if an error occurred. + * @return An array of monitor handles, or `NULL` if no monitors were found or + * if an [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @pointer_lifetime The returned array is allocated and freed by GLFW. You + * should not free it yourself. It is guaranteed to be valid only until the + * monitor configuration changes or the library is terminated. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref monitor_monitors + * @sa @ref monitor_event + * @sa glfwGetPrimaryMonitor + * + * @since Added in version 3.0. + * + * @ingroup monitor + */ +GLFWAPI GLFWmonitor** glfwGetMonitors(int* count); + +/*! @brief Returns the primary monitor. + * + * This function returns the primary monitor. This is usually the monitor + * where elements like the task bar or global menu bar are located. + * + * @return The primary monitor, or `NULL` if no monitors were found or if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @remark The primary monitor is always first in the array returned by @ref + * glfwGetMonitors. + * + * @sa @ref monitor_monitors + * @sa glfwGetMonitors + * + * @since Added in version 3.0. + * + * @ingroup monitor + */ +GLFWAPI GLFWmonitor* glfwGetPrimaryMonitor(void); + +/*! @brief Returns the position of the monitor's viewport on the virtual screen. + * + * This function returns the position, in screen coordinates, of the upper-left + * corner of the specified monitor. + * + * Any or all of the position arguments may be `NULL`. If an error occurs, all + * non-`NULL` position arguments will be set to zero. + * + * @param[in] monitor The monitor to query. + * @param[out] xpos Where to store the monitor x-coordinate, or `NULL`. + * @param[out] ypos Where to store the monitor y-coordinate, or `NULL`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref monitor_properties + * + * @since Added in version 3.0. + * + * @ingroup monitor + */ +GLFWAPI void glfwGetMonitorPos(GLFWmonitor* monitor, int* xpos, int* ypos); + +/*! @brief Returns the physical size of the monitor. + * + * This function returns the size, in millimetres, of the display area of the + * specified monitor. + * + * Some systems do not provide accurate monitor size information, either + * because the monitor + * [EDID](https://en.wikipedia.org/wiki/Extended_display_identification_data) + * data is incorrect or because the driver does not report it accurately. + * + * Any or all of the size arguments may be `NULL`. If an error occurs, all + * non-`NULL` size arguments will be set to zero. + * + * @param[in] monitor The monitor to query. + * @param[out] widthMM Where to store the width, in millimetres, of the + * monitor's display area, or `NULL`. + * @param[out] heightMM Where to store the height, in millimetres, of the + * monitor's display area, or `NULL`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @remark @win32 calculates the returned physical size from the + * current resolution and system DPI instead of querying the monitor EDID data. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref monitor_properties + * + * @since Added in version 3.0. + * + * @ingroup monitor + */ +GLFWAPI void glfwGetMonitorPhysicalSize(GLFWmonitor* monitor, int* widthMM, int* heightMM); + +/*! @brief Returns the name of the specified monitor. + * + * This function returns a human-readable name, encoded as UTF-8, of the + * specified monitor. The name typically reflects the make and model of the + * monitor and is not guaranteed to be unique among the connected monitors. + * + * @param[in] monitor The monitor to query. + * @return The UTF-8 encoded name of the monitor, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @pointer_lifetime The returned string is allocated and freed by GLFW. You + * should not free it yourself. It is valid until the specified monitor is + * disconnected or the library is terminated. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref monitor_properties + * + * @since Added in version 3.0. + * + * @ingroup monitor + */ +GLFWAPI const char* glfwGetMonitorName(GLFWmonitor* monitor); + +/*! @brief Sets the monitor configuration callback. + * + * This function sets the monitor configuration callback, or removes the + * currently set callback. This is called when a monitor is connected to or + * disconnected from the system. + * + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref monitor_event + * + * @since Added in version 3.0. + * + * @ingroup monitor + */ +GLFWAPI GLFWmonitorfun glfwSetMonitorCallback(GLFWmonitorfun cbfun); + +/*! @brief Returns the available video modes for the specified monitor. + * + * This function returns an array of all video modes supported by the specified + * monitor. The returned array is sorted in ascending order, first by color + * bit depth (the sum of all channel depths) and then by resolution area (the + * product of width and height). + * + * @param[in] monitor The monitor to query. + * @param[out] count Where to store the number of video modes in the returned + * array. This is set to zero if an error occurred. + * @return An array of video modes, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @pointer_lifetime The returned array is allocated and freed by GLFW. You + * should not free it yourself. It is valid until the specified monitor is + * disconnected, this function is called again for that monitor or the library + * is terminated. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref monitor_modes + * @sa glfwGetVideoMode + * + * @since Added in version 1.0. + * @glfw3 Changed to return an array of modes for a specific monitor. + * + * @ingroup monitor + */ +GLFWAPI const GLFWvidmode* glfwGetVideoModes(GLFWmonitor* monitor, int* count); + +/*! @brief Returns the current mode of the specified monitor. + * + * This function returns the current video mode of the specified monitor. If + * you have created a full screen window for that monitor, the return value + * will depend on whether that window is iconified. + * + * @param[in] monitor The monitor to query. + * @return The current mode of the monitor, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @pointer_lifetime The returned array is allocated and freed by GLFW. You + * should not free it yourself. It is valid until the specified monitor is + * disconnected or the library is terminated. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref monitor_modes + * @sa glfwGetVideoModes + * + * @since Added in version 3.0. Replaces `glfwGetDesktopMode`. + * + * @ingroup monitor + */ +GLFWAPI const GLFWvidmode* glfwGetVideoMode(GLFWmonitor* monitor); + +/*! @brief Generates a gamma ramp and sets it for the specified monitor. + * + * This function generates a 256-element gamma ramp from the specified exponent + * and then calls @ref glfwSetGammaRamp with it. The value must be a finite + * number greater than zero. + * + * @param[in] monitor The monitor whose gamma ramp to set. + * @param[in] gamma The desired exponent. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_INVALID_VALUE and @ref GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref monitor_gamma + * + * @since Added in version 3.0. + * + * @ingroup monitor + */ +GLFWAPI void glfwSetGamma(GLFWmonitor* monitor, float gamma); + +/*! @brief Returns the current gamma ramp for the specified monitor. + * + * This function returns the current gamma ramp of the specified monitor. + * + * @param[in] monitor The monitor to query. + * @return The current gamma ramp, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @pointer_lifetime The returned structure and its arrays are allocated and + * freed by GLFW. You should not free them yourself. They are valid until the + * specified monitor is disconnected, this function is called again for that + * monitor or the library is terminated. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref monitor_gamma + * + * @since Added in version 3.0. + * + * @ingroup monitor + */ +GLFWAPI const GLFWgammaramp* glfwGetGammaRamp(GLFWmonitor* monitor); + +/*! @brief Sets the current gamma ramp for the specified monitor. + * + * This function sets the current gamma ramp for the specified monitor. The + * original gamma ramp for that monitor is saved by GLFW the first time this + * function is called and is restored by @ref glfwTerminate. + * + * @param[in] monitor The monitor whose gamma ramp to set. + * @param[in] ramp The gamma ramp to use. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @remark Gamma ramp sizes other than 256 are not supported by all platforms + * or graphics hardware. + * + * @remark @win32 The gamma ramp size must be 256. + * + * @pointer_lifetime The specified gamma ramp is copied before this function + * returns. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref monitor_gamma + * + * @since Added in version 3.0. + * + * @ingroup monitor + */ +GLFWAPI void glfwSetGammaRamp(GLFWmonitor* monitor, const GLFWgammaramp* ramp); + +/*! @brief Resets all window hints to their default values. + * + * This function resets all window hints to their + * [default values](@ref window_hints_values). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_hints + * @sa glfwWindowHint + * + * @since Added in version 3.0. + * + * @ingroup window + */ +GLFWAPI void glfwDefaultWindowHints(void); + +/*! @brief Sets the specified window hint to the desired value. + * + * This function sets hints for the next call to @ref glfwCreateWindow. The + * hints, once set, retain their values until changed by a call to @ref + * glfwWindowHint or @ref glfwDefaultWindowHints, or until the library is + * terminated. + * + * This function does not check whether the specified hint values are valid. + * If you set hints to invalid values this will instead be reported by the next + * call to @ref glfwCreateWindow. + * + * @param[in] hint The [window hint](@ref window_hints) to set. + * @param[in] value The new value of the window hint. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_INVALID_ENUM. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_hints + * @sa glfwDefaultWindowHints + * + * @since Added in version 3.0. Replaces `glfwOpenWindowHint`. + * + * @ingroup window + */ +GLFWAPI void glfwWindowHint(int hint, int value); + +/*! @brief Creates a window and its associated context. + * + * This function creates a window and its associated OpenGL or OpenGL ES + * context. Most of the options controlling how the window and its context + * should be created are specified with [window hints](@ref window_hints). + * + * Successful creation does not change which context is current. Before you + * can use the newly created context, you need to + * [make it current](@ref context_current). For information about the `share` + * parameter, see @ref context_sharing. + * + * The created window, framebuffer and context may differ from what you + * requested, as not all parameters and hints are + * [hard constraints](@ref window_hints_hard). This includes the size of the + * window, especially for full screen windows. To query the actual attributes + * of the created window, framebuffer and context, see @ref + * glfwGetWindowAttrib, @ref glfwGetWindowSize and @ref glfwGetFramebufferSize. + * + * To create a full screen window, you need to specify the monitor the window + * will cover. If no monitor is specified, the window will be windowed mode. + * Unless you have a way for the user to choose a specific monitor, it is + * recommended that you pick the primary monitor. For more information on how + * to query connected monitors, see @ref monitor_monitors. + * + * For full screen windows, the specified size becomes the resolution of the + * window's _desired video mode_. As long as a full screen window is not + * iconified, the supported video mode most closely matching the desired video + * mode is set for the specified monitor. For more information about full + * screen windows, including the creation of so called _windowed full screen_ + * or _borderless full screen_ windows, see @ref window_windowed_full_screen. + * + * By default, newly created windows use the placement recommended by the + * window system. To create the window at a specific position, make it + * initially invisible using the [GLFW_VISIBLE](@ref window_hints_wnd) window + * hint, set its [position](@ref window_pos) and then [show](@ref window_hide) + * it. + * + * As long as at least one full screen window is not iconified, the screensaver + * is prohibited from starting. + * + * Window systems put limits on window sizes. Very large or very small window + * dimensions may be overridden by the window system on creation. Check the + * actual [size](@ref window_size) after creation. + * + * The [swap interval](@ref buffer_swap) is not set during window creation and + * the initial value may vary depending on driver settings and defaults. + * + * @param[in] width The desired width, in screen coordinates, of the window. + * This must be greater than zero. + * @param[in] height The desired height, in screen coordinates, of the window. + * This must be greater than zero. + * @param[in] title The initial, UTF-8 encoded window title. + * @param[in] monitor The monitor to use for full screen mode, or `NULL` for + * windowed mode. + * @param[in] share The window whose context to share resources with, or `NULL` + * to not share resources. + * @return The handle of the created window, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_INVALID_ENUM, @ref GLFW_INVALID_VALUE, @ref GLFW_API_UNAVAILABLE, @ref + * GLFW_VERSION_UNAVAILABLE, @ref GLFW_FORMAT_UNAVAILABLE and @ref + * GLFW_PLATFORM_ERROR. + * + * @remark @win32 Window creation will fail if the Microsoft GDI software + * OpenGL implementation is the only one available. + * + * @remark @win32 If the executable has an icon resource named `GLFW_ICON,` + * it will be set as the icon for the window. If no such icon is present, the + * `IDI_WINLOGO` icon will be used instead. + * + * @remark @win32 The context to share resources with must not be current on + * any other thread. + * + * @remark @osx The GLFW window has no icon, as it is not a document + * window, but the dock icon will be the same as the application bundle's icon. + * For more information on bundles, see the + * [Bundle Programming Guide](https://developer.apple.com/library/mac/documentation/CoreFoundation/Conceptual/CFBundles/) + * in the Mac Developer Library. + * + * @remark @osx The first time a window is created the menu bar is populated + * with common commands like Hide, Quit and About. The About entry opens + * a minimal about dialog with information from the application's bundle. The + * menu bar can be disabled with a + * [compile-time option](@ref compile_options_osx). + * + * @remark @osx On OS X 10.10 and later the window frame will not be rendered + * at full resolution on Retina displays unless the `NSHighResolutionCapable` + * key is enabled in the application bundle's `Info.plist`. For more + * information, see + * [High Resolution Guidelines for OS X](https://developer.apple.com/library/mac/documentation/GraphicsAnimation/Conceptual/HighResolutionOSX/Explained/Explained.html) + * in the Mac Developer Library. The GLFW test and example programs use + * a custom `Info.plist` template for this, which can be found as + * `CMake/MacOSXBundleInfo.plist.in` in the source tree. + * + * @remark @x11 There is no mechanism for setting the window icon yet. + * + * @remark @x11 Some window managers will not respect the placement of + * initially hidden windows. + * + * @remark @x11 Due to the asynchronous nature of X11, it may take a moment for + * a window to reach its requested state. This means you may not be able to + * query the final size, position or other attributes directly after window + * creation. + * + * @reentrancy This function must not be called from a callback. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_creation + * @sa glfwDestroyWindow + * + * @since Added in version 3.0. Replaces `glfwOpenWindow`. + * + * @ingroup window + */ +GLFWAPI GLFWwindow* glfwCreateWindow(int width, int height, const char* title, GLFWmonitor* monitor, GLFWwindow* share); + +/*! @brief Destroys the specified window and its context. + * + * This function destroys the specified window and its context. On calling + * this function, no further callbacks will be called for that window. + * + * If the context of the specified window is current on the main thread, it is + * detached before being destroyed. + * + * @param[in] window The window to destroy. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @note The context of the specified window must not be current on any other + * thread when this function is called. + * + * @reentrancy This function must not be called from a callback. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_creation + * @sa glfwCreateWindow + * + * @since Added in version 3.0. Replaces `glfwCloseWindow`. + * + * @ingroup window + */ +GLFWAPI void glfwDestroyWindow(GLFWwindow* window); + +/*! @brief Checks the close flag of the specified window. + * + * This function returns the value of the close flag of the specified window. + * + * @param[in] window The window to query. + * @return The value of the close flag. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @sa @ref window_close + * + * @since Added in version 3.0. + * + * @ingroup window + */ +GLFWAPI int glfwWindowShouldClose(GLFWwindow* window); + +/*! @brief Sets the close flag of the specified window. + * + * This function sets the value of the close flag of the specified window. + * This can be used to override the user's attempt to close the window, or + * to signal that it should be closed. + * + * @param[in] window The window whose flag to change. + * @param[in] value The new value. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @sa @ref window_close + * + * @since Added in version 3.0. + * + * @ingroup window + */ +GLFWAPI void glfwSetWindowShouldClose(GLFWwindow* window, int value); + +/*! @brief Sets the title of the specified window. + * + * This function sets the window title, encoded as UTF-8, of the specified + * window. + * + * @param[in] window The window whose title to change. + * @param[in] title The UTF-8 encoded window title. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @remark @osx The window title will not be updated until the next time you + * process events. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_title + * + * @since Added in version 1.0. + * @glfw3 Added window handle parameter. + * + * @ingroup window + */ +GLFWAPI void glfwSetWindowTitle(GLFWwindow* window, const char* title); + +/*! @brief Sets the icon for the specified window. + * + * This function sets the icon of the specified window. If passed an array of + * candidate images, those of or closest to the sizes desired by the system are + * selected. If no images are specified, the window reverts to its default + * icon. + * + * The desired image sizes varies depending on platform and system settings. + * The selected images will be rescaled as needed. Good sizes include 16x16, + * 32x32 and 48x48. + * + * @param[in] window The window whose icon to set. + * @param[in] count The number of images in the specified array, or zero to + * revert to the default window icon. + * @param[in] images The images to create the icon from. This is ignored if + * count is zero. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @pointer_lifetime The specified image data is copied before this function + * returns. + * + * @remark @osx The GLFW window has no icon, as it is not a document + * window, but the dock icon will be the same as the application bundle's icon. + * For more information on bundles, see the + * [Bundle Programming Guide](https://developer.apple.com/library/mac/documentation/CoreFoundation/Conceptual/CFBundles/) + * in the Mac Developer Library. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_icon + * + * @since Added in version 3.2. + * + * @ingroup window + */ +GLFWAPI void glfwSetWindowIcon(GLFWwindow* window, int count, const GLFWimage* images); + +/*! @brief Retrieves the position of the client area of the specified window. + * + * This function retrieves the position, in screen coordinates, of the + * upper-left corner of the client area of the specified window. + * + * Any or all of the position arguments may be `NULL`. If an error occurs, all + * non-`NULL` position arguments will be set to zero. + * + * @param[in] window The window to query. + * @param[out] xpos Where to store the x-coordinate of the upper-left corner of + * the client area, or `NULL`. + * @param[out] ypos Where to store the y-coordinate of the upper-left corner of + * the client area, or `NULL`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_pos + * @sa glfwSetWindowPos + * + * @since Added in version 3.0. + * + * @ingroup window + */ +GLFWAPI void glfwGetWindowPos(GLFWwindow* window, int* xpos, int* ypos); + +/*! @brief Sets the position of the client area of the specified window. + * + * This function sets the position, in screen coordinates, of the upper-left + * corner of the client area of the specified windowed mode window. If the + * window is a full screen window, this function does nothing. + * + * __Do not use this function__ to move an already visible window unless you + * have very good reasons for doing so, as it will confuse and annoy the user. + * + * The window manager may put limits on what positions are allowed. GLFW + * cannot and should not override these limits. + * + * @param[in] window The window to query. + * @param[in] xpos The x-coordinate of the upper-left corner of the client area. + * @param[in] ypos The y-coordinate of the upper-left corner of the client area. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_pos + * @sa glfwGetWindowPos + * + * @since Added in version 1.0. + * @glfw3 Added window handle parameter. + * + * @ingroup window + */ +GLFWAPI void glfwSetWindowPos(GLFWwindow* window, int xpos, int ypos); + +/*! @brief Retrieves the size of the client area of the specified window. + * + * This function retrieves the size, in screen coordinates, of the client area + * of the specified window. If you wish to retrieve the size of the + * framebuffer of the window in pixels, see @ref glfwGetFramebufferSize. + * + * Any or all of the size arguments may be `NULL`. If an error occurs, all + * non-`NULL` size arguments will be set to zero. + * + * @param[in] window The window whose size to retrieve. + * @param[out] width Where to store the width, in screen coordinates, of the + * client area, or `NULL`. + * @param[out] height Where to store the height, in screen coordinates, of the + * client area, or `NULL`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_size + * @sa glfwSetWindowSize + * + * @since Added in version 1.0. + * @glfw3 Added window handle parameter. + * + * @ingroup window + */ +GLFWAPI void glfwGetWindowSize(GLFWwindow* window, int* width, int* height); + +/*! @brief Sets the size limits of the specified window. + * + * This function sets the size limits of the client area of the specified + * window. If the window is full screen, the size limits only take effect if + * once it is made windowed. If the window is not resizable, this function + * does nothing. + * + * The size limits are applied immediately to a windowed mode window and may + * cause it to be resized. + * + * @param[in] window The window to set limits for. + * @param[in] minwidth The minimum width, in screen coordinates, of the client + * area, or `GLFW_DONT_CARE`. + * @param[in] minheight The minimum height, in screen coordinates, of the + * client area, or `GLFW_DONT_CARE`. + * @param[in] maxwidth The maximum width, in screen coordinates, of the client + * area, or `GLFW_DONT_CARE`. + * @param[in] maxheight The maximum height, in screen coordinates, of the + * client area, or `GLFW_DONT_CARE`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @remark If you set size limits and an aspect ratio that conflict, the + * results are undefined. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_sizelimits + * @sa glfwSetWindowAspectRatio + * + * @since Added in version 3.2. + * + * @ingroup window + */ +GLFWAPI void glfwSetWindowSizeLimits(GLFWwindow* window, int minwidth, int minheight, int maxwidth, int maxheight); + +/*! @brief Sets the aspect ratio of the specified window. + * + * This function sets the required aspect ratio of the client area of the + * specified window. If the window is full screen, the aspect ratio only takes + * effect once it is made windowed. If the window is not resizable, this + * function does nothing. + * + * The aspect ratio is specified as a numerator and a denominator and both + * values must be greater than zero. For example, the common 16:9 aspect ratio + * is specified as 16 and 9, respectively. + * + * If the numerator and denominator is set to `GLFW_DONT_CARE` then the aspect + * ratio limit is disabled. + * + * The aspect ratio is applied immediately to a windowed mode window and may + * cause it to be resized. + * + * @param[in] window The window to set limits for. + * @param[in] numer The numerator of the desired aspect ratio, or + * `GLFW_DONT_CARE`. + * @param[in] denom The denominator of the desired aspect ratio, or + * `GLFW_DONT_CARE`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_INVALID_VALUE and @ref GLFW_PLATFORM_ERROR. + * + * @remark If you set size limits and an aspect ratio that conflict, the + * results are undefined. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_sizelimits + * @sa glfwSetWindowSizeLimits + * + * @since Added in version 3.2. + * + * @ingroup window + */ +GLFWAPI void glfwSetWindowAspectRatio(GLFWwindow* window, int numer, int denom); + +/*! @brief Sets the size of the client area of the specified window. + * + * This function sets the size, in screen coordinates, of the client area of + * the specified window. + * + * For full screen windows, this function updates the resolution of its desired + * video mode and switches to the video mode closest to it, without affecting + * the window's context. As the context is unaffected, the bit depths of the + * framebuffer remain unchanged. + * + * If you wish to update the refresh rate of the desired video mode in addition + * to its resolution, see @ref glfwSetWindowMonitor. + * + * The window manager may put limits on what sizes are allowed. GLFW cannot + * and should not override these limits. + * + * @param[in] window The window to resize. + * @param[in] width The desired width, in screen coordinates, of the window + * client area. + * @param[in] height The desired height, in screen coordinates, of the window + * client area. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_size + * @sa glfwGetWindowSize + * @sa glfwSetWindowMonitor + * + * @since Added in version 1.0. + * @glfw3 Added window handle parameter. + * + * @ingroup window + */ +GLFWAPI void glfwSetWindowSize(GLFWwindow* window, int width, int height); + +/*! @brief Retrieves the size of the framebuffer of the specified window. + * + * This function retrieves the size, in pixels, of the framebuffer of the + * specified window. If you wish to retrieve the size of the window in screen + * coordinates, see @ref glfwGetWindowSize. + * + * Any or all of the size arguments may be `NULL`. If an error occurs, all + * non-`NULL` size arguments will be set to zero. + * + * @param[in] window The window whose framebuffer to query. + * @param[out] width Where to store the width, in pixels, of the framebuffer, + * or `NULL`. + * @param[out] height Where to store the height, in pixels, of the framebuffer, + * or `NULL`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_fbsize + * @sa glfwSetFramebufferSizeCallback + * + * @since Added in version 3.0. + * + * @ingroup window + */ +GLFWAPI void glfwGetFramebufferSize(GLFWwindow* window, int* width, int* height); + +/*! @brief Retrieves the size of the frame of the window. + * + * This function retrieves the size, in screen coordinates, of each edge of the + * frame of the specified window. This size includes the title bar, if the + * window has one. The size of the frame may vary depending on the + * [window-related hints](@ref window_hints_wnd) used to create it. + * + * Because this function retrieves the size of each window frame edge and not + * the offset along a particular coordinate axis, the retrieved values will + * always be zero or positive. + * + * Any or all of the size arguments may be `NULL`. If an error occurs, all + * non-`NULL` size arguments will be set to zero. + * + * @param[in] window The window whose frame size to query. + * @param[out] left Where to store the size, in screen coordinates, of the left + * edge of the window frame, or `NULL`. + * @param[out] top Where to store the size, in screen coordinates, of the top + * edge of the window frame, or `NULL`. + * @param[out] right Where to store the size, in screen coordinates, of the + * right edge of the window frame, or `NULL`. + * @param[out] bottom Where to store the size, in screen coordinates, of the + * bottom edge of the window frame, or `NULL`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_size + * + * @since Added in version 3.1. + * + * @ingroup window + */ +GLFWAPI void glfwGetWindowFrameSize(GLFWwindow* window, int* left, int* top, int* right, int* bottom); + +/*! @brief Iconifies the specified window. + * + * This function iconifies (minimizes) the specified window if it was + * previously restored. If the window is already iconified, this function does + * nothing. + * + * If the specified window is a full screen window, the original monitor + * resolution is restored until the window is restored. + * + * @param[in] window The window to iconify. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_iconify + * @sa glfwRestoreWindow + * @sa glfwMaximizeWindow + * + * @since Added in version 2.1. + * @glfw3 Added window handle parameter. + * + * @ingroup window + */ +GLFWAPI void glfwIconifyWindow(GLFWwindow* window); + +/*! @brief Restores the specified window. + * + * This function restores the specified window if it was previously iconified + * (minimized) or maximized. If the window is already restored, this function + * does nothing. + * + * If the specified window is a full screen window, the resolution chosen for + * the window is restored on the selected monitor. + * + * @param[in] window The window to restore. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_iconify + * @sa glfwIconifyWindow + * @sa glfwMaximizeWindow + * + * @since Added in version 2.1. + * @glfw3 Added window handle parameter. + * + * @ingroup window + */ +GLFWAPI void glfwRestoreWindow(GLFWwindow* window); + +/*! @brief Maximizes the specified window. + * + * This function maximizes the specified window if it was previously not + * maximized. If the window is already maximized, this function does nothing. + * + * If the specified window is a full screen window, this function does nothing. + * + * @param[in] window The window to maximize. + * + * @par Thread Safety + * This function may only be called from the main thread. + * + * @sa @ref window_iconify + * @sa glfwIconifyWindow + * @sa glfwRestoreWindow + * + * @since Added in GLFW 3.2. + * + * @ingroup window + */ +GLFWAPI void glfwMaximizeWindow(GLFWwindow* window); + +/*! @brief Makes the specified window visible. + * + * This function makes the specified window visible if it was previously + * hidden. If the window is already visible or is in full screen mode, this + * function does nothing. + * + * @param[in] window The window to make visible. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_hide + * @sa glfwHideWindow + * + * @since Added in version 3.0. + * + * @ingroup window + */ +GLFWAPI void glfwShowWindow(GLFWwindow* window); + +/*! @brief Hides the specified window. + * + * This function hides the specified window if it was previously visible. If + * the window is already hidden or is in full screen mode, this function does + * nothing. + * + * @param[in] window The window to hide. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_hide + * @sa glfwShowWindow + * + * @since Added in version 3.0. + * + * @ingroup window + */ +GLFWAPI void glfwHideWindow(GLFWwindow* window); + +/*! @brief Brings the specified window to front and sets input focus. + * + * This function brings the specified window to front and sets input focus. + * The window should already be visible and not iconified. + * + * By default, both windowed and full screen mode windows are focused when + * initially created. Set the [GLFW_FOCUSED](@ref window_hints_wnd) to disable + * this behavior. + * + * __Do not use this function__ to steal focus from other applications unless + * you are certain that is what the user wants. Focus stealing can be + * extremely disruptive. + * + * @param[in] window The window to give input focus. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_focus + * + * @since Added in version 3.2. + * + * @ingroup window + */ +GLFWAPI void glfwFocusWindow(GLFWwindow* window); + +/*! @brief Returns the monitor that the window uses for full screen mode. + * + * This function returns the handle of the monitor that the specified window is + * in full screen on. + * + * @param[in] window The window to query. + * @return The monitor, or `NULL` if the window is in windowed mode or an error + * occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_monitor + * @sa glfwSetWindowMonitor + * + * @since Added in version 3.0. + * + * @ingroup window + */ +GLFWAPI GLFWmonitor* glfwGetWindowMonitor(GLFWwindow* window); + +/*! @brief Sets the mode, monitor, video mode and placement of a window. + * + * This function sets the monitor that the window uses for full screen mode or, + * if the monitor is `NULL`, makes it windowed mode. + * + * When setting a monitor, this function updates the width, height and refresh + * rate of the desired video mode and switches to the video mode closest to it. + * The window position is ignored when setting a monitor. + * + * When the monitor is `NULL`, the position, width and height are used to + * place the window client area. The refresh rate is ignored when no monitor + * is specified. + * + * If you only wish to update the resolution of a full screen window or the + * size of a windowed mode window, see @ref glfwSetWindowSize. + * + * When a window transitions from full screen to windowed mode, this function + * restores any previous window settings such as whether it is decorated, + * floating, resizable, has size or aspect ratio limits, etc.. + * + * @param[in] window The window whose monitor, size or video mode to set. + * @param[in] monitor The desired monitor, or `NULL` to set windowed mode. + * @param[in] xpos The desired x-coordinate of the upper-left corner of the + * client area. + * @param[in] ypos The desired y-coordinate of the upper-left corner of the + * client area. + * @param[in] width The desired with, in screen coordinates, of the client area + * or video mode. + * @param[in] height The desired height, in screen coordinates, of the client + * area or video mode. + * @param[in] refreshRate The desired refresh rate, in Hz, of the video mode. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_monitor + * @sa @ref window_full_screen + * @sa glfwGetWindowMonitor + * @sa glfwSetWindowSize + * + * @since Added in version 3.2. + * + * @ingroup window + */ +GLFWAPI void glfwSetWindowMonitor(GLFWwindow* window, GLFWmonitor* monitor, int xpos, int ypos, int width, int height, int refreshRate); + +/*! @brief Returns an attribute of the specified window. + * + * This function returns the value of an attribute of the specified window or + * its OpenGL or OpenGL ES context. + * + * @param[in] window The window to query. + * @param[in] attrib The [window attribute](@ref window_attribs) whose value to + * return. + * @return The value of the attribute, or zero if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_INVALID_ENUM and @ref GLFW_PLATFORM_ERROR. + * + * @remark Framebuffer related hints are not window attributes. See @ref + * window_attribs_fb for more information. + * + * @remark Zero is a valid value for many window and context related + * attributes so you cannot use a return value of zero as an indication of + * errors. However, this function should not fail as long as it is passed + * valid arguments and the library has been [initialized](@ref intro_init). + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_attribs + * + * @since Added in version 3.0. Replaces `glfwGetWindowParam` and + * `glfwGetGLVersion`. + * + * @ingroup window + */ +GLFWAPI int glfwGetWindowAttrib(GLFWwindow* window, int attrib); + +/*! @brief Sets the user pointer of the specified window. + * + * This function sets the user-defined pointer of the specified window. The + * current value is retained until the window is destroyed. The initial value + * is `NULL`. + * + * @param[in] window The window whose pointer to set. + * @param[in] pointer The new value. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @sa @ref window_userptr + * @sa glfwGetWindowUserPointer + * + * @since Added in version 3.0. + * + * @ingroup window + */ +GLFWAPI void glfwSetWindowUserPointer(GLFWwindow* window, void* pointer); + +/*! @brief Returns the user pointer of the specified window. + * + * This function returns the current value of the user-defined pointer of the + * specified window. The initial value is `NULL`. + * + * @param[in] window The window whose pointer to return. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @sa @ref window_userptr + * @sa glfwSetWindowUserPointer + * + * @since Added in version 3.0. + * + * @ingroup window + */ +GLFWAPI void* glfwGetWindowUserPointer(GLFWwindow* window); + +/*! @brief Sets the position callback for the specified window. + * + * This function sets the position callback of the specified window, which is + * called when the window is moved. The callback is provided with the screen + * position of the upper-left corner of the client area of the window. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_pos + * + * @since Added in version 3.0. + * + * @ingroup window + */ +GLFWAPI GLFWwindowposfun glfwSetWindowPosCallback(GLFWwindow* window, GLFWwindowposfun cbfun); + +/*! @brief Sets the size callback for the specified window. + * + * This function sets the size callback of the specified window, which is + * called when the window is resized. The callback is provided with the size, + * in screen coordinates, of the client area of the window. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_size + * + * @since Added in version 1.0. + * @glfw3 Added window handle parameter and return value. + * + * @ingroup window + */ +GLFWAPI GLFWwindowsizefun glfwSetWindowSizeCallback(GLFWwindow* window, GLFWwindowsizefun cbfun); + +/*! @brief Sets the close callback for the specified window. + * + * This function sets the close callback of the specified window, which is + * called when the user attempts to close the window, for example by clicking + * the close widget in the title bar. + * + * The close flag is set before this callback is called, but you can modify it + * at any time with @ref glfwSetWindowShouldClose. + * + * The close callback is not triggered by @ref glfwDestroyWindow. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @remark @osx Selecting Quit from the application menu will trigger the close + * callback for all windows. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_close + * + * @since Added in version 2.5. + * @glfw3 Added window handle parameter and return value. + * + * @ingroup window + */ +GLFWAPI GLFWwindowclosefun glfwSetWindowCloseCallback(GLFWwindow* window, GLFWwindowclosefun cbfun); + +/*! @brief Sets the refresh callback for the specified window. + * + * This function sets the refresh callback of the specified window, which is + * called when the client area of the window needs to be redrawn, for example + * if the window has been exposed after having been covered by another window. + * + * On compositing window systems such as Aero, Compiz or Aqua, where the window + * contents are saved off-screen, this callback may be called only very + * infrequently or never at all. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_refresh + * + * @since Added in version 2.5. + * @glfw3 Added window handle parameter and return value. + * + * @ingroup window + */ +GLFWAPI GLFWwindowrefreshfun glfwSetWindowRefreshCallback(GLFWwindow* window, GLFWwindowrefreshfun cbfun); + +/*! @brief Sets the focus callback for the specified window. + * + * This function sets the focus callback of the specified window, which is + * called when the window gains or loses input focus. + * + * After the focus callback is called for a window that lost input focus, + * synthetic key and mouse button release events will be generated for all such + * that had been pressed. For more information, see @ref glfwSetKeyCallback + * and @ref glfwSetMouseButtonCallback. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_focus + * + * @since Added in version 3.0. + * + * @ingroup window + */ +GLFWAPI GLFWwindowfocusfun glfwSetWindowFocusCallback(GLFWwindow* window, GLFWwindowfocusfun cbfun); + +/*! @brief Sets the iconify callback for the specified window. + * + * This function sets the iconification callback of the specified window, which + * is called when the window is iconified or restored. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_iconify + * + * @since Added in version 3.0. + * + * @ingroup window + */ +GLFWAPI GLFWwindowiconifyfun glfwSetWindowIconifyCallback(GLFWwindow* window, GLFWwindowiconifyfun cbfun); + +/*! @brief Sets the framebuffer resize callback for the specified window. + * + * This function sets the framebuffer resize callback of the specified window, + * which is called when the framebuffer of the specified window is resized. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref window_fbsize + * + * @since Added in version 3.0. + * + * @ingroup window + */ +GLFWAPI GLFWframebuffersizefun glfwSetFramebufferSizeCallback(GLFWwindow* window, GLFWframebuffersizefun cbfun); + +/*! @brief Processes all pending events. + * + * This function processes only those events that are already in the event + * queue and then returns immediately. Processing events will cause the window + * and input callbacks associated with those events to be called. + * + * On some platforms, a window move, resize or menu operation will cause event + * processing to block. This is due to how event processing is designed on + * those platforms. You can use the + * [window refresh callback](@ref window_refresh) to redraw the contents of + * your window when necessary during such operations. + * + * On some platforms, certain events are sent directly to the application + * without going through the event queue, causing callbacks to be called + * outside of a call to one of the event processing functions. + * + * Event processing is not required for joystick input to work. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @reentrancy This function must not be called from a callback. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref events + * @sa glfwWaitEvents + * @sa glfwWaitEventsTimeout + * + * @since Added in version 1.0. + * + * @ingroup window + */ +GLFWAPI void glfwPollEvents(void); + +/*! @brief Waits until events are queued and processes them. + * + * This function puts the calling thread to sleep until at least one event is + * available in the event queue. Once one or more events are available, + * it behaves exactly like @ref glfwPollEvents, i.e. the events in the queue + * are processed and the function then returns immediately. Processing events + * will cause the window and input callbacks associated with those events to be + * called. + * + * Since not all events are associated with callbacks, this function may return + * without a callback having been called even if you are monitoring all + * callbacks. + * + * On some platforms, a window move, resize or menu operation will cause event + * processing to block. This is due to how event processing is designed on + * those platforms. You can use the + * [window refresh callback](@ref window_refresh) to redraw the contents of + * your window when necessary during such operations. + * + * On some platforms, certain callbacks may be called outside of a call to one + * of the event processing functions. + * + * If no windows exist, this function returns immediately. For synchronization + * of threads in applications that do not create windows, use your threading + * library of choice. + * + * Event processing is not required for joystick input to work. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @reentrancy This function must not be called from a callback. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref events + * @sa glfwPollEvents + * @sa glfwWaitEventsTimeout + * + * @since Added in version 2.5. + * + * @ingroup window + */ +GLFWAPI void glfwWaitEvents(void); + +/*! @brief Waits with timeout until events are queued and processes them. + * + * This function puts the calling thread to sleep until at least one event is + * available in the event queue, or until the specified timeout is reached. If + * one or more events are available, it behaves exactly like @ref + * glfwPollEvents, i.e. the events in the queue are processed and the function + * then returns immediately. Processing events will cause the window and input + * callbacks associated with those events to be called. + * + * The timeout value must be a positive finite number. + * + * Since not all events are associated with callbacks, this function may return + * without a callback having been called even if you are monitoring all + * callbacks. + * + * On some platforms, a window move, resize or menu operation will cause event + * processing to block. This is due to how event processing is designed on + * those platforms. You can use the + * [window refresh callback](@ref window_refresh) to redraw the contents of + * your window when necessary during such operations. + * + * On some platforms, certain callbacks may be called outside of a call to one + * of the event processing functions. + * + * If no windows exist, this function returns immediately. For synchronization + * of threads in applications that do not create windows, use your threading + * library of choice. + * + * Event processing is not required for joystick input to work. + * + * @param[in] timeout The maximum amount of time, in seconds, to wait. + * + * @reentrancy This function must not be called from a callback. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref events + * @sa glfwPollEvents + * @sa glfwWaitEvents + * + * @since Added in version 3.2. + * + * @ingroup window + */ +GLFWAPI void glfwWaitEventsTimeout(double timeout); + +/*! @brief Posts an empty event to the event queue. + * + * This function posts an empty event from the current thread to the event + * queue, causing @ref glfwWaitEvents to return. + * + * If no windows exist, this function returns immediately. For synchronization + * of threads in applications that do not create windows, use your threading + * library of choice. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref events + * @sa glfwWaitEvents + * + * @since Added in version 3.1. + * + * @ingroup window + */ +GLFWAPI void glfwPostEmptyEvent(void); + +/*! @brief Returns the value of an input option for the specified window. + * + * This function returns the value of an input option for the specified window. + * The mode must be one of `GLFW_CURSOR`, `GLFW_STICKY_KEYS` or + * `GLFW_STICKY_MOUSE_BUTTONS`. + * + * @param[in] window The window to query. + * @param[in] mode One of `GLFW_CURSOR`, `GLFW_STICKY_KEYS` or + * `GLFW_STICKY_MOUSE_BUTTONS`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_INVALID_ENUM. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa glfwSetInputMode + * + * @since Added in version 3.0. + * + * @ingroup input + */ +GLFWAPI int glfwGetInputMode(GLFWwindow* window, int mode); + +/*! @brief Sets an input option for the specified window. + * + * This function sets an input mode option for the specified window. The mode + * must be one of `GLFW_CURSOR`, `GLFW_STICKY_KEYS` or + * `GLFW_STICKY_MOUSE_BUTTONS`. + * + * If the mode is `GLFW_CURSOR`, the value must be one of the following cursor + * modes: + * - `GLFW_CURSOR_NORMAL` makes the cursor visible and behaving normally. + * - `GLFW_CURSOR_HIDDEN` makes the cursor invisible when it is over the client + * area of the window but does not restrict the cursor from leaving. + * - `GLFW_CURSOR_DISABLED` hides and grabs the cursor, providing virtual + * and unlimited cursor movement. This is useful for implementing for + * example 3D camera controls. + * + * If the mode is `GLFW_STICKY_KEYS`, the value must be either `GLFW_TRUE` to + * enable sticky keys, or `GLFW_FALSE` to disable it. If sticky keys are + * enabled, a key press will ensure that @ref glfwGetKey returns `GLFW_PRESS` + * the next time it is called even if the key had been released before the + * call. This is useful when you are only interested in whether keys have been + * pressed but not when or in which order. + * + * If the mode is `GLFW_STICKY_MOUSE_BUTTONS`, the value must be either + * `GLFW_TRUE` to enable sticky mouse buttons, or `GLFW_FALSE` to disable it. + * If sticky mouse buttons are enabled, a mouse button press will ensure that + * @ref glfwGetMouseButton returns `GLFW_PRESS` the next time it is called even + * if the mouse button had been released before the call. This is useful when + * you are only interested in whether mouse buttons have been pressed but not + * when or in which order. + * + * @param[in] window The window whose input mode to set. + * @param[in] mode One of `GLFW_CURSOR`, `GLFW_STICKY_KEYS` or + * `GLFW_STICKY_MOUSE_BUTTONS`. + * @param[in] value The new value of the specified input mode. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_INVALID_ENUM and @ref GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa glfwGetInputMode + * + * @since Added in version 3.0. Replaces `glfwEnable` and `glfwDisable`. + * + * @ingroup input + */ +GLFWAPI void glfwSetInputMode(GLFWwindow* window, int mode, int value); + +/*! @brief Returns the localized name of the specified printable key. + * + * This function returns the localized name of the specified printable key. + * This is intended for displaying key bindings to the user. + * + * If the key is `GLFW_KEY_UNKNOWN`, the scancode is used instead, otherwise + * the scancode is ignored. If a non-printable key or (if the key is + * `GLFW_KEY_UNKNOWN`) a scancode that maps to a non-printable key is + * specified, this function returns `NULL`. + * + * This behavior allows you to pass in the arguments passed to the + * [key callback](@ref input_key) without modification. + * + * The printable keys are: + * - `GLFW_KEY_APOSTROPHE` + * - `GLFW_KEY_COMMA` + * - `GLFW_KEY_MINUS` + * - `GLFW_KEY_PERIOD` + * - `GLFW_KEY_SLASH` + * - `GLFW_KEY_SEMICOLON` + * - `GLFW_KEY_EQUAL` + * - `GLFW_KEY_LEFT_BRACKET` + * - `GLFW_KEY_RIGHT_BRACKET` + * - `GLFW_KEY_BACKSLASH` + * - `GLFW_KEY_WORLD_1` + * - `GLFW_KEY_WORLD_2` + * - `GLFW_KEY_0` to `GLFW_KEY_9` + * - `GLFW_KEY_A` to `GLFW_KEY_Z` + * - `GLFW_KEY_KP_0` to `GLFW_KEY_KP_9` + * - `GLFW_KEY_KP_DECIMAL` + * - `GLFW_KEY_KP_DIVIDE` + * - `GLFW_KEY_KP_MULTIPLY` + * - `GLFW_KEY_KP_SUBTRACT` + * - `GLFW_KEY_KP_ADD` + * - `GLFW_KEY_KP_EQUAL` + * + * @param[in] key The key to query, or `GLFW_KEY_UNKNOWN`. + * @param[in] scancode The scancode of the key to query. + * @return The localized name of the key, or `NULL`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @pointer_lifetime The returned string is allocated and freed by GLFW. You + * should not free it yourself. It is valid until the next call to @ref + * glfwGetKeyName, or until the library is terminated. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref input_key_name + * + * @since Added in version 3.2. + * + * @ingroup input + */ +GLFWAPI const char* glfwGetKeyName(int key, int scancode); + +/*! @brief Returns the last reported state of a keyboard key for the specified + * window. + * + * This function returns the last state reported for the specified key to the + * specified window. The returned state is one of `GLFW_PRESS` or + * `GLFW_RELEASE`. The higher-level action `GLFW_REPEAT` is only reported to + * the key callback. + * + * If the `GLFW_STICKY_KEYS` input mode is enabled, this function returns + * `GLFW_PRESS` the first time you call it for a key that was pressed, even if + * that key has already been released. + * + * The key functions deal with physical keys, with [key tokens](@ref keys) + * named after their use on the standard US keyboard layout. If you want to + * input text, use the Unicode character callback instead. + * + * The [modifier key bit masks](@ref mods) are not key tokens and cannot be + * used with this function. + * + * __Do not use this function__ to implement [text input](@ref input_char). + * + * @param[in] window The desired window. + * @param[in] key The desired [keyboard key](@ref keys). `GLFW_KEY_UNKNOWN` is + * not a valid key for this function. + * @return One of `GLFW_PRESS` or `GLFW_RELEASE`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_INVALID_ENUM. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref input_key + * + * @since Added in version 1.0. + * @glfw3 Added window handle parameter. + * + * @ingroup input + */ +GLFWAPI int glfwGetKey(GLFWwindow* window, int key); + +/*! @brief Returns the last reported state of a mouse button for the specified + * window. + * + * This function returns the last state reported for the specified mouse button + * to the specified window. The returned state is one of `GLFW_PRESS` or + * `GLFW_RELEASE`. + * + * If the `GLFW_STICKY_MOUSE_BUTTONS` input mode is enabled, this function + * `GLFW_PRESS` the first time you call it for a mouse button that was pressed, + * even if that mouse button has already been released. + * + * @param[in] window The desired window. + * @param[in] button The desired [mouse button](@ref buttons). + * @return One of `GLFW_PRESS` or `GLFW_RELEASE`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_INVALID_ENUM. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref input_mouse_button + * + * @since Added in version 1.0. + * @glfw3 Added window handle parameter. + * + * @ingroup input + */ +GLFWAPI int glfwGetMouseButton(GLFWwindow* window, int button); + +/*! @brief Retrieves the position of the cursor relative to the client area of + * the window. + * + * This function returns the position of the cursor, in screen coordinates, + * relative to the upper-left corner of the client area of the specified + * window. + * + * If the cursor is disabled (with `GLFW_CURSOR_DISABLED`) then the cursor + * position is unbounded and limited only by the minimum and maximum values of + * a `double`. + * + * The coordinate can be converted to their integer equivalents with the + * `floor` function. Casting directly to an integer type works for positive + * coordinates, but fails for negative ones. + * + * Any or all of the position arguments may be `NULL`. If an error occurs, all + * non-`NULL` position arguments will be set to zero. + * + * @param[in] window The desired window. + * @param[out] xpos Where to store the cursor x-coordinate, relative to the + * left edge of the client area, or `NULL`. + * @param[out] ypos Where to store the cursor y-coordinate, relative to the to + * top edge of the client area, or `NULL`. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref cursor_pos + * @sa glfwSetCursorPos + * + * @since Added in version 3.0. Replaces `glfwGetMousePos`. + * + * @ingroup input + */ +GLFWAPI void glfwGetCursorPos(GLFWwindow* window, double* xpos, double* ypos); + +/*! @brief Sets the position of the cursor, relative to the client area of the + * window. + * + * This function sets the position, in screen coordinates, of the cursor + * relative to the upper-left corner of the client area of the specified + * window. The window must have input focus. If the window does not have + * input focus when this function is called, it fails silently. + * + * __Do not use this function__ to implement things like camera controls. GLFW + * already provides the `GLFW_CURSOR_DISABLED` cursor mode that hides the + * cursor, transparently re-centers it and provides unconstrained cursor + * motion. See @ref glfwSetInputMode for more information. + * + * If the cursor mode is `GLFW_CURSOR_DISABLED` then the cursor position is + * unconstrained and limited only by the minimum and maximum values of + * a `double`. + * + * @param[in] window The desired window. + * @param[in] xpos The desired x-coordinate, relative to the left edge of the + * client area. + * @param[in] ypos The desired y-coordinate, relative to the top edge of the + * client area. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @remark @x11 Due to the asynchronous nature of X11, it may take a moment for + * the window focus event to arrive. This means you may not be able to set the + * cursor position directly after window creation. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref cursor_pos + * @sa glfwGetCursorPos + * + * @since Added in version 3.0. Replaces `glfwSetMousePos`. + * + * @ingroup input + */ +GLFWAPI void glfwSetCursorPos(GLFWwindow* window, double xpos, double ypos); + +/*! @brief Creates a custom cursor. + * + * Creates a new custom cursor image that can be set for a window with @ref + * glfwSetCursor. The cursor can be destroyed with @ref glfwDestroyCursor. + * Any remaining cursors are destroyed by @ref glfwTerminate. + * + * The pixels are 32-bit, little-endian, non-premultiplied RGBA, i.e. eight + * bits per channel. They are arranged canonically as packed sequential rows, + * starting from the top-left corner. + * + * The cursor hotspot is specified in pixels, relative to the upper-left corner + * of the cursor image. Like all other coordinate systems in GLFW, the X-axis + * points to the right and the Y-axis points down. + * + * @param[in] image The desired cursor image. + * @param[in] xhot The desired x-coordinate, in pixels, of the cursor hotspot. + * @param[in] yhot The desired y-coordinate, in pixels, of the cursor hotspot. + * @return The handle of the created cursor, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @pointer_lifetime The specified image data is copied before this function + * returns. + * + * @reentrancy This function must not be called from a callback. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref cursor_object + * @sa glfwDestroyCursor + * @sa glfwCreateStandardCursor + * + * @since Added in version 3.1. + * + * @ingroup input + */ +GLFWAPI GLFWcursor* glfwCreateCursor(const GLFWimage* image, int xhot, int yhot); + +/*! @brief Creates a cursor with a standard shape. + * + * Returns a cursor with a [standard shape](@ref shapes), that can be set for + * a window with @ref glfwSetCursor. + * + * @param[in] shape One of the [standard shapes](@ref shapes). + * @return A new cursor ready to use or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_INVALID_ENUM and @ref GLFW_PLATFORM_ERROR. + * + * @reentrancy This function must not be called from a callback. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref cursor_object + * @sa glfwCreateCursor + * + * @since Added in version 3.1. + * + * @ingroup input + */ +GLFWAPI GLFWcursor* glfwCreateStandardCursor(int shape); + +/*! @brief Destroys a cursor. + * + * This function destroys a cursor previously created with @ref + * glfwCreateCursor. Any remaining cursors will be destroyed by @ref + * glfwTerminate. + * + * @param[in] cursor The cursor object to destroy. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @reentrancy This function must not be called from a callback. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref cursor_object + * @sa glfwCreateCursor + * + * @since Added in version 3.1. + * + * @ingroup input + */ +GLFWAPI void glfwDestroyCursor(GLFWcursor* cursor); + +/*! @brief Sets the cursor for the window. + * + * This function sets the cursor image to be used when the cursor is over the + * client area of the specified window. The set cursor will only be visible + * when the [cursor mode](@ref cursor_mode) of the window is + * `GLFW_CURSOR_NORMAL`. + * + * On some platforms, the set cursor may not be visible unless the window also + * has input focus. + * + * @param[in] window The window to set the cursor for. + * @param[in] cursor The cursor to set, or `NULL` to switch back to the default + * arrow cursor. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref cursor_object + * + * @since Added in version 3.1. + * + * @ingroup input + */ +GLFWAPI void glfwSetCursor(GLFWwindow* window, GLFWcursor* cursor); + +/*! @brief Sets the key callback. + * + * This function sets the key callback of the specified window, which is called + * when a key is pressed, repeated or released. + * + * The key functions deal with physical keys, with layout independent + * [key tokens](@ref keys) named after their values in the standard US keyboard + * layout. If you want to input text, use the + * [character callback](@ref glfwSetCharCallback) instead. + * + * When a window loses input focus, it will generate synthetic key release + * events for all pressed keys. You can tell these events from user-generated + * events by the fact that the synthetic ones are generated after the focus + * loss event has been processed, i.e. after the + * [window focus callback](@ref glfwSetWindowFocusCallback) has been called. + * + * The scancode of a key is specific to that platform or sometimes even to that + * machine. Scancodes are intended to allow users to bind keys that don't have + * a GLFW key token. Such keys have `key` set to `GLFW_KEY_UNKNOWN`, their + * state is not saved and so it cannot be queried with @ref glfwGetKey. + * + * Sometimes GLFW needs to generate synthetic key events, in which case the + * scancode may be zero. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new key callback, or `NULL` to remove the currently + * set callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref input_key + * + * @since Added in version 1.0. + * @glfw3 Added window handle parameter and return value. + * + * @ingroup input + */ +GLFWAPI GLFWkeyfun glfwSetKeyCallback(GLFWwindow* window, GLFWkeyfun cbfun); + +/*! @brief Sets the Unicode character callback. + * + * This function sets the character callback of the specified window, which is + * called when a Unicode character is input. + * + * The character callback is intended for Unicode text input. As it deals with + * characters, it is keyboard layout dependent, whereas the + * [key callback](@ref glfwSetKeyCallback) is not. Characters do not map 1:1 + * to physical keys, as a key may produce zero, one or more characters. If you + * want to know whether a specific physical key was pressed or released, see + * the key callback instead. + * + * The character callback behaves as system text input normally does and will + * not be called if modifier keys are held down that would prevent normal text + * input on that platform, for example a Super (Command) key on OS X or Alt key + * on Windows. There is a + * [character with modifiers callback](@ref glfwSetCharModsCallback) that + * receives these events. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref input_char + * + * @since Added in version 2.4. + * @glfw3 Added window handle parameter and return value. + * + * @ingroup input + */ +GLFWAPI GLFWcharfun glfwSetCharCallback(GLFWwindow* window, GLFWcharfun cbfun); + +/*! @brief Sets the Unicode character with modifiers callback. + * + * This function sets the character with modifiers callback of the specified + * window, which is called when a Unicode character is input regardless of what + * modifier keys are used. + * + * The character with modifiers callback is intended for implementing custom + * Unicode character input. For regular Unicode text input, see the + * [character callback](@ref glfwSetCharCallback). Like the character + * callback, the character with modifiers callback deals with characters and is + * keyboard layout dependent. Characters do not map 1:1 to physical keys, as + * a key may produce zero, one or more characters. If you want to know whether + * a specific physical key was pressed or released, see the + * [key callback](@ref glfwSetKeyCallback) instead. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or an + * error occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref input_char + * + * @since Added in version 3.1. + * + * @ingroup input + */ +GLFWAPI GLFWcharmodsfun glfwSetCharModsCallback(GLFWwindow* window, GLFWcharmodsfun cbfun); + +/*! @brief Sets the mouse button callback. + * + * This function sets the mouse button callback of the specified window, which + * is called when a mouse button is pressed or released. + * + * When a window loses input focus, it will generate synthetic mouse button + * release events for all pressed mouse buttons. You can tell these events + * from user-generated events by the fact that the synthetic ones are generated + * after the focus loss event has been processed, i.e. after the + * [window focus callback](@ref glfwSetWindowFocusCallback) has been called. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref input_mouse_button + * + * @since Added in version 1.0. + * @glfw3 Added window handle parameter and return value. + * + * @ingroup input + */ +GLFWAPI GLFWmousebuttonfun glfwSetMouseButtonCallback(GLFWwindow* window, GLFWmousebuttonfun cbfun); + +/*! @brief Sets the cursor position callback. + * + * This function sets the cursor position callback of the specified window, + * which is called when the cursor is moved. The callback is provided with the + * position, in screen coordinates, relative to the upper-left corner of the + * client area of the window. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref cursor_pos + * + * @since Added in version 3.0. Replaces `glfwSetMousePosCallback`. + * + * @ingroup input + */ +GLFWAPI GLFWcursorposfun glfwSetCursorPosCallback(GLFWwindow* window, GLFWcursorposfun cbfun); + +/*! @brief Sets the cursor enter/exit callback. + * + * This function sets the cursor boundary crossing callback of the specified + * window, which is called when the cursor enters or leaves the client area of + * the window. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref cursor_enter + * + * @since Added in version 3.0. + * + * @ingroup input + */ +GLFWAPI GLFWcursorenterfun glfwSetCursorEnterCallback(GLFWwindow* window, GLFWcursorenterfun cbfun); + +/*! @brief Sets the scroll callback. + * + * This function sets the scroll callback of the specified window, which is + * called when a scrolling device is used, such as a mouse wheel or scrolling + * area of a touchpad. + * + * The scroll callback receives all scrolling input, like that from a mouse + * wheel or a touchpad scrolling area. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new scroll callback, or `NULL` to remove the currently + * set callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref scrolling + * + * @since Added in version 3.0. Replaces `glfwSetMouseWheelCallback`. + * + * @ingroup input + */ +GLFWAPI GLFWscrollfun glfwSetScrollCallback(GLFWwindow* window, GLFWscrollfun cbfun); + +/*! @brief Sets the file drop callback. + * + * This function sets the file drop callback of the specified window, which is + * called when one or more dragged files are dropped on the window. + * + * Because the path array and its strings may have been generated specifically + * for that event, they are not guaranteed to be valid after the callback has + * returned. If you wish to use them after the callback returns, you need to + * make a deep copy. + * + * @param[in] window The window whose callback to set. + * @param[in] cbfun The new file drop callback, or `NULL` to remove the + * currently set callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref path_drop + * + * @since Added in version 3.1. + * + * @ingroup input + */ +GLFWAPI GLFWdropfun glfwSetDropCallback(GLFWwindow* window, GLFWdropfun cbfun); + +/*! @brief Returns whether the specified joystick is present. + * + * This function returns whether the specified joystick is present. + * + * @param[in] joy The [joystick](@ref joysticks) to query. + * @return `GLFW_TRUE` if the joystick is present, or `GLFW_FALSE` otherwise. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_INVALID_ENUM and @ref GLFW_PLATFORM_ERROR. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref joystick + * + * @since Added in version 3.0. Replaces `glfwGetJoystickParam`. + * + * @ingroup input + */ +GLFWAPI int glfwJoystickPresent(int joy); + +/*! @brief Returns the values of all axes of the specified joystick. + * + * This function returns the values of all axes of the specified joystick. + * Each element in the array is a value between -1.0 and 1.0. + * + * Querying a joystick slot with no device present is not an error, but will + * cause this function to return `NULL`. Call @ref glfwJoystickPresent to + * check device presence. + * + * @param[in] joy The [joystick](@ref joysticks) to query. + * @param[out] count Where to store the number of axis values in the returned + * array. This is set to zero if an error occurred. + * @return An array of axis values, or `NULL` if the joystick is not present. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_INVALID_ENUM and @ref GLFW_PLATFORM_ERROR. + * + * @pointer_lifetime The returned array is allocated and freed by GLFW. You + * should not free it yourself. It is valid until the specified joystick is + * disconnected, this function is called again for that joystick or the library + * is terminated. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref joystick_axis + * + * @since Added in version 3.0. Replaces `glfwGetJoystickPos`. + * + * @ingroup input + */ +GLFWAPI const float* glfwGetJoystickAxes(int joy, int* count); + +/*! @brief Returns the state of all buttons of the specified joystick. + * + * This function returns the state of all buttons of the specified joystick. + * Each element in the array is either `GLFW_PRESS` or `GLFW_RELEASE`. + * + * Querying a joystick slot with no device present is not an error, but will + * cause this function to return `NULL`. Call @ref glfwJoystickPresent to + * check device presence. + * + * @param[in] joy The [joystick](@ref joysticks) to query. + * @param[out] count Where to store the number of button states in the returned + * array. This is set to zero if an error occurred. + * @return An array of button states, or `NULL` if the joystick is not present. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_INVALID_ENUM and @ref GLFW_PLATFORM_ERROR. + * + * @pointer_lifetime The returned array is allocated and freed by GLFW. You + * should not free it yourself. It is valid until the specified joystick is + * disconnected, this function is called again for that joystick or the library + * is terminated. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref joystick_button + * + * @since Added in version 2.2. + * @glfw3 Changed to return a dynamic array. + * + * @ingroup input + */ +GLFWAPI const unsigned char* glfwGetJoystickButtons(int joy, int* count); + +/*! @brief Returns the name of the specified joystick. + * + * This function returns the name, encoded as UTF-8, of the specified joystick. + * The returned string is allocated and freed by GLFW. You should not free it + * yourself. + * + * Querying a joystick slot with no device present is not an error, but will + * cause this function to return `NULL`. Call @ref glfwJoystickPresent to + * check device presence. + * + * @param[in] joy The [joystick](@ref joysticks) to query. + * @return The UTF-8 encoded name of the joystick, or `NULL` if the joystick + * is not present. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_INVALID_ENUM and @ref GLFW_PLATFORM_ERROR. + * + * @pointer_lifetime The returned string is allocated and freed by GLFW. You + * should not free it yourself. It is valid until the specified joystick is + * disconnected, this function is called again for that joystick or the library + * is terminated. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref joystick_name + * + * @since Added in version 3.0. + * + * @ingroup input + */ +GLFWAPI const char* glfwGetJoystickName(int joy); + +/*! @brief Sets the joystick configuration callback. + * + * This function sets the joystick configuration callback, or removes the + * currently set callback. This is called when a joystick is connected to or + * disconnected from the system. + * + * @param[in] cbfun The new callback, or `NULL` to remove the currently set + * callback. + * @return The previously set callback, or `NULL` if no callback was set or the + * library had not been [initialized](@ref intro_init). + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref joystick_event + * + * @since Added in version 3.2. + * + * @ingroup input + */ +GLFWAPI GLFWjoystickfun glfwSetJoystickCallback(GLFWjoystickfun cbfun); + +/*! @brief Sets the clipboard to the specified string. + * + * This function sets the system clipboard to the specified, UTF-8 encoded + * string. + * + * @param[in] window The window that will own the clipboard contents. + * @param[in] string A UTF-8 encoded string. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @pointer_lifetime The specified string is copied before this function + * returns. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref clipboard + * @sa glfwGetClipboardString + * + * @since Added in version 3.0. + * + * @ingroup input + */ +GLFWAPI void glfwSetClipboardString(GLFWwindow* window, const char* string); + +/*! @brief Returns the contents of the clipboard as a string. + * + * This function returns the contents of the system clipboard, if it contains + * or is convertible to a UTF-8 encoded string. If the clipboard is empty or + * if its contents cannot be converted, `NULL` is returned and a @ref + * GLFW_FORMAT_UNAVAILABLE error is generated. + * + * @param[in] window The window that will request the clipboard contents. + * @return The contents of the clipboard as a UTF-8 encoded string, or `NULL` + * if an [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_PLATFORM_ERROR. + * + * @pointer_lifetime The returned string is allocated and freed by GLFW. You + * should not free it yourself. It is valid until the next call to @ref + * glfwGetClipboardString or @ref glfwSetClipboardString, or until the library + * is terminated. + * + * @thread_safety This function must only be called from the main thread. + * + * @sa @ref clipboard + * @sa glfwSetClipboardString + * + * @since Added in version 3.0. + * + * @ingroup input + */ +GLFWAPI const char* glfwGetClipboardString(GLFWwindow* window); + +/*! @brief Returns the value of the GLFW timer. + * + * This function returns the value of the GLFW timer. Unless the timer has + * been set using @ref glfwSetTime, the timer measures time elapsed since GLFW + * was initialized. + * + * The resolution of the timer is system dependent, but is usually on the order + * of a few micro- or nanoseconds. It uses the highest-resolution monotonic + * time source on each supported platform. + * + * @return The current value, in seconds, or zero if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function may be called from any thread. Reading of the + * internal timer offset is not atomic. + * + * @sa @ref time + * + * @since Added in version 1.0. + * + * @ingroup input + */ +GLFWAPI double glfwGetTime(void); + +/*! @brief Sets the GLFW timer. + * + * This function sets the value of the GLFW timer. It then continues to count + * up from that value. The value must be a positive finite number less than + * or equal to 18446744073.0, which is approximately 584.5 years. + * + * @param[in] time The new value, in seconds. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_INVALID_VALUE. + * + * @remark The upper limit of the timer is calculated as + * floor((264 - 1) / 109) and is due to implementations + * storing nanoseconds in 64 bits. The limit may be increased in the future. + * + * @thread_safety This function may be called from any thread. Writing of the + * internal timer offset is not atomic. + * + * @sa @ref time + * + * @since Added in version 2.2. + * + * @ingroup input + */ +GLFWAPI void glfwSetTime(double time); + +/*! @brief Returns the current value of the raw timer. + * + * This function returns the current value of the raw timer, measured in + * 1 / frequency seconds. To get the frequency, call @ref + * glfwGetTimerFrequency. + * + * @return The value of the timer, or zero if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref time + * @sa glfwGetTimerFrequency + * + * @since Added in version 3.2. + * + * @ingroup input + */ +GLFWAPI uint64_t glfwGetTimerValue(void); + +/*! @brief Returns the frequency, in Hz, of the raw timer. + * + * This function returns the frequency, in Hz, of the raw timer. + * + * @return The frequency of the timer, in Hz, or zero if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref time + * @sa glfwGetTimerValue + * + * @since Added in version 3.2. + * + * @ingroup input + */ +GLFWAPI uint64_t glfwGetTimerFrequency(void); + +/*! @brief Makes the context of the specified window current for the calling + * thread. + * + * This function makes the OpenGL or OpenGL ES context of the specified window + * current on the calling thread. A context can only be made current on + * a single thread at a time and each thread can have only a single current + * context at a time. + * + * By default, making a context non-current implicitly forces a pipeline flush. + * On machines that support `GL_KHR_context_flush_control`, you can control + * whether a context performs this flush by setting the + * [GLFW_CONTEXT_RELEASE_BEHAVIOR](@ref window_hints_ctx) window hint. + * + * The specified window must have an OpenGL or OpenGL ES context. Specifying + * a window without a context will generate a @ref GLFW_NO_WINDOW_CONTEXT + * error. + * + * @param[in] window The window whose context to make current, or `NULL` to + * detach the current context. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_NO_WINDOW_CONTEXT and @ref GLFW_PLATFORM_ERROR. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref context_current + * @sa glfwGetCurrentContext + * + * @since Added in version 3.0. + * + * @ingroup context + */ +GLFWAPI void glfwMakeContextCurrent(GLFWwindow* window); + +/*! @brief Returns the window whose context is current on the calling thread. + * + * This function returns the window whose OpenGL or OpenGL ES context is + * current on the calling thread. + * + * @return The window whose context is current, or `NULL` if no window's + * context is current. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref context_current + * @sa glfwMakeContextCurrent + * + * @since Added in version 3.0. + * + * @ingroup context + */ +GLFWAPI GLFWwindow* glfwGetCurrentContext(void); + +/*! @brief Swaps the front and back buffers of the specified window. + * + * This function swaps the front and back buffers of the specified window when + * rendering with OpenGL or OpenGL ES. If the swap interval is greater than + * zero, the GPU driver waits the specified number of screen updates before + * swapping the buffers. + * + * The specified window must have an OpenGL or OpenGL ES context. Specifying + * a window without a context will generate a @ref GLFW_NO_WINDOW_CONTEXT + * error. + * + * This function does not apply to Vulkan. If you are rendering with Vulkan, + * see `vkQueuePresentKHR` instead. + * + * @param[in] window The window whose buffers to swap. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_NO_WINDOW_CONTEXT and @ref GLFW_PLATFORM_ERROR. + * + * @remark __EGL:__ The context of the specified window must be current on the + * calling thread. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref buffer_swap + * @sa glfwSwapInterval + * + * @since Added in version 1.0. + * @glfw3 Added window handle parameter. + * + * @ingroup window + */ +GLFWAPI void glfwSwapBuffers(GLFWwindow* window); + +/*! @brief Sets the swap interval for the current context. + * + * This function sets the swap interval for the current OpenGL or OpenGL ES + * context, i.e. the number of screen updates to wait from the time @ref + * glfwSwapBuffers was called before swapping the buffers and returning. This + * is sometimes called _vertical synchronization_, _vertical retrace + * synchronization_ or just _vsync_. + * + * Contexts that support either of the `WGL_EXT_swap_control_tear` and + * `GLX_EXT_swap_control_tear` extensions also accept negative swap intervals, + * which allow the driver to swap even if a frame arrives a little bit late. + * You can check for the presence of these extensions using @ref + * glfwExtensionSupported. For more information about swap tearing, see the + * extension specifications. + * + * A context must be current on the calling thread. Calling this function + * without a current context will cause a @ref GLFW_NO_CURRENT_CONTEXT error. + * + * This function does not apply to Vulkan. If you are rendering with Vulkan, + * see the present mode of your swapchain instead. + * + * @param[in] interval The minimum number of screen updates to wait for + * until the buffers are swapped by @ref glfwSwapBuffers. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_NO_CURRENT_CONTEXT and @ref GLFW_PLATFORM_ERROR. + * + * @remark This function is not called during context creation, leaving the + * swap interval set to whatever is the default on that platform. This is done + * because some swap interval extensions used by GLFW do not allow the swap + * interval to be reset to zero once it has been set to a non-zero value. + * + * @remark Some GPU drivers do not honor the requested swap interval, either + * because of a user setting that overrides the application's request or due to + * bugs in the driver. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref buffer_swap + * @sa glfwSwapBuffers + * + * @since Added in version 1.0. + * + * @ingroup context + */ +GLFWAPI void glfwSwapInterval(int interval); + +/*! @brief Returns whether the specified extension is available. + * + * This function returns whether the specified + * [API extension](@ref context_glext) is supported by the current OpenGL or + * OpenGL ES context. It searches both for client API extension and context + * creation API extensions. + * + * A context must be current on the calling thread. Calling this function + * without a current context will cause a @ref GLFW_NO_CURRENT_CONTEXT error. + * + * As this functions retrieves and searches one or more extension strings each + * call, it is recommended that you cache its results if it is going to be used + * frequently. The extension strings will not change during the lifetime of + * a context, so there is no danger in doing this. + * + * This function does not apply to Vulkan. If you are using Vulkan, see @ref + * glfwGetRequiredInstanceExtensions, `vkEnumerateInstanceExtensionProperties` + * and `vkEnumerateDeviceExtensionProperties` instead. + * + * @param[in] extension The ASCII encoded name of the extension. + * @return `GLFW_TRUE` if the extension is available, or `GLFW_FALSE` + * otherwise. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_NO_CURRENT_CONTEXT, @ref GLFW_INVALID_VALUE and @ref + * GLFW_PLATFORM_ERROR. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref context_glext + * @sa glfwGetProcAddress + * + * @since Added in version 1.0. + * + * @ingroup context + */ +GLFWAPI int glfwExtensionSupported(const char* extension); + +/*! @brief Returns the address of the specified function for the current + * context. + * + * This function returns the address of the specified OpenGL or OpenGL ES + * [core or extension function](@ref context_glext), if it is supported + * by the current context. + * + * A context must be current on the calling thread. Calling this function + * without a current context will cause a @ref GLFW_NO_CURRENT_CONTEXT error. + * + * This function does not apply to Vulkan. If you are rendering with Vulkan, + * see @ref glfwGetInstanceProcAddress, `vkGetInstanceProcAddr` and + * `vkGetDeviceProcAddr` instead. + * + * @param[in] procname The ASCII encoded name of the function. + * @return The address of the function, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_NO_CURRENT_CONTEXT and @ref GLFW_PLATFORM_ERROR. + * + * @remark The address of a given function is not guaranteed to be the same + * between contexts. + * + * @remark This function may return a non-`NULL` address despite the + * associated version or extension not being available. Always check the + * context version or extension string first. + * + * @pointer_lifetime The returned function pointer is valid until the context + * is destroyed or the library is terminated. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref context_glext + * @sa glfwExtensionSupported + * + * @since Added in version 1.0. + * + * @ingroup context + */ +GLFWAPI GLFWglproc glfwGetProcAddress(const char* procname); + +/*! @brief Returns whether the Vulkan loader has been found. + * + * This function returns whether the Vulkan loader has been found. This check + * is performed by @ref glfwInit. + * + * The availability of a Vulkan loader does not by itself guarantee that window + * surface creation or even device creation is possible. Call @ref + * glfwGetRequiredInstanceExtensions to check whether the extensions necessary + * for Vulkan surface creation are available and @ref + * glfwGetPhysicalDevicePresentationSupport to check whether a queue family of + * a physical device supports image presentation. + * + * @return `GLFW_TRUE` if Vulkan is available, or `GLFW_FALSE` otherwise. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref vulkan_support + * + * @since Added in version 3.2. + * + * @ingroup vulkan + */ +GLFWAPI int glfwVulkanSupported(void); + +/*! @brief Returns the Vulkan instance extensions required by GLFW. + * + * This function returns an array of names of Vulkan instance extensions required + * by GLFW for creating Vulkan surfaces for GLFW windows. If successful, the + * list will always contains `VK_KHR_surface`, so if you don't require any + * additional extensions you can pass this list directly to the + * `VkInstanceCreateInfo` struct. + * + * If Vulkan is not available on the machine, this function returns `NULL` and + * generates a @ref GLFW_API_UNAVAILABLE error. Call @ref glfwVulkanSupported + * to check whether Vulkan is available. + * + * If Vulkan is available but no set of extensions allowing window surface + * creation was found, this function returns `NULL`. You may still use Vulkan + * for off-screen rendering and compute work. + * + * @param[out] count Where to store the number of extensions in the returned + * array. This is set to zero if an error occurred. + * @return An array of ASCII encoded extension names, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_API_UNAVAILABLE. + * + * @remarks Additional extensions may be required by future versions of GLFW. + * You should check if any extensions you wish to enable are already in the + * returned array, as it is an error to specify an extension more than once in + * the `VkInstanceCreateInfo` struct. + * + * @pointer_lifetime The returned array is allocated and freed by GLFW. You + * should not free it yourself. It is guaranteed to be valid only until the + * library is terminated. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref vulkan_ext + * @sa glfwCreateWindowSurface + * + * @since Added in version 3.2. + * + * @ingroup vulkan + */ +GLFWAPI const char** glfwGetRequiredInstanceExtensions(uint32_t* count); + +#if defined(VK_VERSION_1_0) + +/*! @brief Returns the address of the specified Vulkan instance function. + * + * This function returns the address of the specified Vulkan core or extension + * function for the specified instance. If instance is set to `NULL` it can + * return any function exported from the Vulkan loader, including at least the + * following functions: + * + * - `vkEnumerateInstanceExtensionProperties` + * - `vkEnumerateInstanceLayerProperties` + * - `vkCreateInstance` + * - `vkGetInstanceProcAddr` + * + * If Vulkan is not available on the machine, this function returns `NULL` and + * generates a @ref GLFW_API_UNAVAILABLE error. Call @ref glfwVulkanSupported + * to check whether Vulkan is available. + * + * This function is equivalent to calling `vkGetInstanceProcAddr` with + * a platform-specific query of the Vulkan loader as a fallback. + * + * @param[in] instance The Vulkan instance to query, or `NULL` to retrieve + * functions related to instance creation. + * @param[in] procname The ASCII encoded name of the function. + * @return The address of the function, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref + * GLFW_API_UNAVAILABLE. + * + * @pointer_lifetime The returned function pointer is valid until the library + * is terminated. + * + * @thread_safety This function may be called from any thread. + * + * @sa @ref vulkan_proc + * + * @since Added in version 3.2. + * + * @ingroup vulkan + */ +GLFWAPI GLFWvkproc glfwGetInstanceProcAddress(VkInstance instance, const char* procname); + +/*! @brief Returns whether the specified queue family can present images. + * + * This function returns whether the specified queue family of the specified + * physical device supports presentation to the platform GLFW was built for. + * + * If Vulkan or the required window surface creation instance extensions are + * not available on the machine, or if the specified instance was not created + * with the required extensions, this function returns `GLFW_FALSE` and + * generates a @ref GLFW_API_UNAVAILABLE error. Call @ref glfwVulkanSupported + * to check whether Vulkan is available and @ref + * glfwGetRequiredInstanceExtensions to check what instance extensions are + * required. + * + * @param[in] instance The instance that the physical device belongs to. + * @param[in] device The physical device that the queue family belongs to. + * @param[in] queuefamily The index of the queue family to query. + * @return `GLFW_TRUE` if the queue family supports presentation, or + * `GLFW_FALSE` otherwise. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_API_UNAVAILABLE and @ref GLFW_PLATFORM_ERROR. + * + * @thread_safety This function may be called from any thread. For + * synchronization details of Vulkan objects, see the Vulkan specification. + * + * @sa @ref vulkan_present + * + * @since Added in version 3.2. + * + * @ingroup vulkan + */ +GLFWAPI int glfwGetPhysicalDevicePresentationSupport(VkInstance instance, VkPhysicalDevice device, uint32_t queuefamily); + +/*! @brief Creates a Vulkan surface for the specified window. + * + * This function creates a Vulkan surface for the specified window. + * + * If the Vulkan loader was not found at initialization, this function returns + * `VK_ERROR_INITIALIZATION_FAILED` and generates a @ref GLFW_API_UNAVAILABLE + * error. Call @ref glfwVulkanSupported to check whether the Vulkan loader was + * found. + * + * If the required window surface creation instance extensions are not + * available or if the specified instance was not created with these extensions + * enabled, this function returns `VK_ERROR_EXTENSION_NOT_PRESENT` and + * generates a @ref GLFW_API_UNAVAILABLE error. Call @ref + * glfwGetRequiredInstanceExtensions to check what instance extensions are + * required. + * + * The window surface must be destroyed before the specified Vulkan instance. + * It is the responsibility of the caller to destroy the window surface. GLFW + * does not destroy it for you. Call `vkDestroySurfaceKHR` to destroy the + * surface. + * + * @param[in] instance The Vulkan instance to create the surface in. + * @param[in] window The window to create the surface for. + * @param[in] allocator The allocator to use, or `NULL` to use the default + * allocator. + * @param[out] surface Where to store the handle of the surface. This is set + * to `VK_NULL_HANDLE` if an error occurred. + * @return `VK_SUCCESS` if successful, or a Vulkan error code if an + * [error](@ref error_handling) occurred. + * + * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref + * GLFW_API_UNAVAILABLE and @ref GLFW_PLATFORM_ERROR. + * + * @remarks If an error occurs before the creation call is made, GLFW returns + * the Vulkan error code most appropriate for the error. Appropriate use of + * @ref glfwVulkanSupported and @ref glfwGetRequiredInstanceExtensions should + * eliminate almost all occurrences of these errors. + * + * @thread_safety This function may be called from any thread. For + * synchronization details of Vulkan objects, see the Vulkan specification. + * + * @sa @ref vulkan_surface + * @sa glfwGetRequiredInstanceExtensions + * + * @since Added in version 3.2. + * + * @ingroup vulkan + */ +GLFWAPI VkResult glfwCreateWindowSurface(VkInstance instance, GLFWwindow* window, const VkAllocationCallbacks* allocator, VkSurfaceKHR* surface); + +#endif /*VK_VERSION_1_0*/ + + +/************************************************************************* + * Global definition cleanup + *************************************************************************/ + +/* ------------------- BEGIN SYSTEM/COMPILER SPECIFIC -------------------- */ + +#ifdef GLFW_WINGDIAPI_DEFINED + #undef WINGDIAPI + #undef GLFW_WINGDIAPI_DEFINED +#endif + +#ifdef GLFW_CALLBACK_DEFINED + #undef CALLBACK + #undef GLFW_CALLBACK_DEFINED +#endif + +/* -------------------- END SYSTEM/COMPILER SPECIFIC --------------------- */ + + +#ifdef __cplusplus +} +#endif + +#endif /* _glfw3_h_ */ + diff --git a/imgui-submodule/imgui/examples/libs/glfw/include/GLFW/glfw3native.h b/imgui-submodule/imgui/examples/libs/glfw/include/GLFW/glfw3native.h new file mode 100644 index 0000000..9fa955e --- /dev/null +++ b/imgui-submodule/imgui/examples/libs/glfw/include/GLFW/glfw3native.h @@ -0,0 +1,456 @@ +/************************************************************************* + * GLFW 3.2 - www.glfw.org + * A library for OpenGL, window and input + *------------------------------------------------------------------------ + * Copyright (c) 2002-2006 Marcus Geelnard + * Copyright (c) 2006-2010 Camilla Berglund + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would + * be appreciated but is not required. + * + * 2. Altered source versions must be plainly marked as such, and must not + * be misrepresented as being the original software. + * + * 3. This notice may not be removed or altered from any source + * distribution. + * + *************************************************************************/ + +#ifndef _glfw3_native_h_ +#define _glfw3_native_h_ + +#ifdef __cplusplus +extern "C" { +#endif + + +/************************************************************************* + * Doxygen documentation + *************************************************************************/ + +/*! @file glfw3native.h + * @brief The header of the native access functions. + * + * This is the header file of the native access functions. See @ref native for + * more information. + */ +/*! @defgroup native Native access + * + * **By using the native access functions you assert that you know what you're + * doing and how to fix problems caused by using them. If you don't, you + * shouldn't be using them.** + * + * Before the inclusion of @ref glfw3native.h, you may define exactly one + * window system API macro and zero or more context creation API macros. + * + * The chosen backends must match those the library was compiled for. Failure + * to do this will cause a link-time error. + * + * The available window API macros are: + * * `GLFW_EXPOSE_NATIVE_WIN32` + * * `GLFW_EXPOSE_NATIVE_COCOA` + * * `GLFW_EXPOSE_NATIVE_X11` + * * `GLFW_EXPOSE_NATIVE_WAYLAND` + * * `GLFW_EXPOSE_NATIVE_MIR` + * + * The available context API macros are: + * * `GLFW_EXPOSE_NATIVE_WGL` + * * `GLFW_EXPOSE_NATIVE_NSGL` + * * `GLFW_EXPOSE_NATIVE_GLX` + * * `GLFW_EXPOSE_NATIVE_EGL` + * + * These macros select which of the native access functions that are declared + * and which platform-specific headers to include. It is then up your (by + * definition platform-specific) code to handle which of these should be + * defined. + */ + + +/************************************************************************* + * System headers and types + *************************************************************************/ + +#if defined(GLFW_EXPOSE_NATIVE_WIN32) + // This is a workaround for the fact that glfw3.h needs to export APIENTRY (for + // example to allow applications to correctly declare a GL_ARB_debug_output + // callback) but windows.h assumes no one will define APIENTRY before it does + #undef APIENTRY + #include +#elif defined(GLFW_EXPOSE_NATIVE_COCOA) + #include + #if defined(__OBJC__) + #import + #else + typedef void* id; + #endif +#elif defined(GLFW_EXPOSE_NATIVE_X11) + #include + #include +#elif defined(GLFW_EXPOSE_NATIVE_WAYLAND) + #include +#elif defined(GLFW_EXPOSE_NATIVE_MIR) + #include +#endif + +#if defined(GLFW_EXPOSE_NATIVE_WGL) + /* WGL is declared by windows.h */ +#endif +#if defined(GLFW_EXPOSE_NATIVE_NSGL) + /* NSGL is declared by Cocoa.h */ +#endif +#if defined(GLFW_EXPOSE_NATIVE_GLX) + #include +#endif +#if defined(GLFW_EXPOSE_NATIVE_EGL) + #include +#endif + + +/************************************************************************* + * Functions + *************************************************************************/ + +#if defined(GLFW_EXPOSE_NATIVE_WIN32) +/*! @brief Returns the adapter device name of the specified monitor. + * + * @return The UTF-8 encoded adapter device name (for example `\\.\DISPLAY1`) + * of the specified monitor, or `NULL` if an [error](@ref error_handling) + * occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.1. + * + * @ingroup native + */ +GLFWAPI const char* glfwGetWin32Adapter(GLFWmonitor* monitor); + +/*! @brief Returns the display device name of the specified monitor. + * + * @return The UTF-8 encoded display device name (for example + * `\\.\DISPLAY1\Monitor0`) of the specified monitor, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.1. + * + * @ingroup native + */ +GLFWAPI const char* glfwGetWin32Monitor(GLFWmonitor* monitor); + +/*! @brief Returns the `HWND` of the specified window. + * + * @return The `HWND` of the specified window, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.0. + * + * @ingroup native + */ +GLFWAPI HWND glfwGetWin32Window(GLFWwindow* window); +#endif + +#if defined(GLFW_EXPOSE_NATIVE_WGL) +/*! @brief Returns the `HGLRC` of the specified window. + * + * @return The `HGLRC` of the specified window, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.0. + * + * @ingroup native + */ +GLFWAPI HGLRC glfwGetWGLContext(GLFWwindow* window); +#endif + +#if defined(GLFW_EXPOSE_NATIVE_COCOA) +/*! @brief Returns the `CGDirectDisplayID` of the specified monitor. + * + * @return The `CGDirectDisplayID` of the specified monitor, or + * `kCGNullDirectDisplay` if an [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.1. + * + * @ingroup native + */ +GLFWAPI CGDirectDisplayID glfwGetCocoaMonitor(GLFWmonitor* monitor); + +/*! @brief Returns the `NSWindow` of the specified window. + * + * @return The `NSWindow` of the specified window, or `nil` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.0. + * + * @ingroup native + */ +GLFWAPI id glfwGetCocoaWindow(GLFWwindow* window); +#endif + +#if defined(GLFW_EXPOSE_NATIVE_NSGL) +/*! @brief Returns the `NSOpenGLContext` of the specified window. + * + * @return The `NSOpenGLContext` of the specified window, or `nil` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.0. + * + * @ingroup native + */ +GLFWAPI id glfwGetNSGLContext(GLFWwindow* window); +#endif + +#if defined(GLFW_EXPOSE_NATIVE_X11) +/*! @brief Returns the `Display` used by GLFW. + * + * @return The `Display` used by GLFW, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.0. + * + * @ingroup native + */ +GLFWAPI Display* glfwGetX11Display(void); + +/*! @brief Returns the `RRCrtc` of the specified monitor. + * + * @return The `RRCrtc` of the specified monitor, or `None` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.1. + * + * @ingroup native + */ +GLFWAPI RRCrtc glfwGetX11Adapter(GLFWmonitor* monitor); + +/*! @brief Returns the `RROutput` of the specified monitor. + * + * @return The `RROutput` of the specified monitor, or `None` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.1. + * + * @ingroup native + */ +GLFWAPI RROutput glfwGetX11Monitor(GLFWmonitor* monitor); + +/*! @brief Returns the `Window` of the specified window. + * + * @return The `Window` of the specified window, or `None` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.0. + * + * @ingroup native + */ +GLFWAPI Window glfwGetX11Window(GLFWwindow* window); +#endif + +#if defined(GLFW_EXPOSE_NATIVE_GLX) +/*! @brief Returns the `GLXContext` of the specified window. + * + * @return The `GLXContext` of the specified window, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.0. + * + * @ingroup native + */ +GLFWAPI GLXContext glfwGetGLXContext(GLFWwindow* window); + +/*! @brief Returns the `GLXWindow` of the specified window. + * + * @return The `GLXWindow` of the specified window, or `None` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.2. + * + * @ingroup native + */ +GLFWAPI GLXWindow glfwGetGLXWindow(GLFWwindow* window); +#endif + +#if defined(GLFW_EXPOSE_NATIVE_WAYLAND) +/*! @brief Returns the `struct wl_display*` used by GLFW. + * + * @return The `struct wl_display*` used by GLFW, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.2. + * + * @ingroup native + */ +GLFWAPI struct wl_display* glfwGetWaylandDisplay(void); + +/*! @brief Returns the `struct wl_output*` of the specified monitor. + * + * @return The `struct wl_output*` of the specified monitor, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.2. + * + * @ingroup native + */ +GLFWAPI struct wl_output* glfwGetWaylandMonitor(GLFWmonitor* monitor); + +/*! @brief Returns the main `struct wl_surface*` of the specified window. + * + * @return The main `struct wl_surface*` of the specified window, or `NULL` if + * an [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.2. + * + * @ingroup native + */ +GLFWAPI struct wl_surface* glfwGetWaylandWindow(GLFWwindow* window); +#endif + +#if defined(GLFW_EXPOSE_NATIVE_MIR) +/*! @brief Returns the `MirConnection*` used by GLFW. + * + * @return The `MirConnection*` used by GLFW, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.2. + * + * @ingroup native + */ +GLFWAPI MirConnection* glfwGetMirDisplay(void); + +/*! @brief Returns the Mir output ID of the specified monitor. + * + * @return The Mir output ID of the specified monitor, or zero if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.2. + * + * @ingroup native + */ +GLFWAPI int glfwGetMirMonitor(GLFWmonitor* monitor); + +/*! @brief Returns the `MirSurface*` of the specified window. + * + * @return The `MirSurface*` of the specified window, or `NULL` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.2. + * + * @ingroup native + */ +GLFWAPI MirSurface* glfwGetMirWindow(GLFWwindow* window); +#endif + +#if defined(GLFW_EXPOSE_NATIVE_EGL) +/*! @brief Returns the `EGLDisplay` used by GLFW. + * + * @return The `EGLDisplay` used by GLFW, or `EGL_NO_DISPLAY` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.0. + * + * @ingroup native + */ +GLFWAPI EGLDisplay glfwGetEGLDisplay(void); + +/*! @brief Returns the `EGLContext` of the specified window. + * + * @return The `EGLContext` of the specified window, or `EGL_NO_CONTEXT` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.0. + * + * @ingroup native + */ +GLFWAPI EGLContext glfwGetEGLContext(GLFWwindow* window); + +/*! @brief Returns the `EGLSurface` of the specified window. + * + * @return The `EGLSurface` of the specified window, or `EGL_NO_SURFACE` if an + * [error](@ref error_handling) occurred. + * + * @thread_safety This function may be called from any thread. Access is not + * synchronized. + * + * @since Added in version 3.0. + * + * @ingroup native + */ +GLFWAPI EGLSurface glfwGetEGLSurface(GLFWwindow* window); +#endif + +#ifdef __cplusplus +} +#endif + +#endif /* _glfw3_native_h_ */ + diff --git a/imgui-submodule/imgui/examples/libs/glfw/lib-vc2010-32/glfw3.lib b/imgui-submodule/imgui/examples/libs/glfw/lib-vc2010-32/glfw3.lib new file mode 100644 index 0000000000000000000000000000000000000000..348abecfa98d6cfad9db67127eab8d5c72473539 GIT binary patch literal 187376 zcmeFa3t(Jzl|OzblT6c+k^lh;6bMjW7E0PArJ>YJ<~@^nHE9wMN=Wl)Cgepj(+5(Z zJ1sB{K}CG6_^9l<_*x&hi0f)w%346sst9#?h%T;W+tn_zQk5nD&pF@k{oZ@$5zssQo^!tM^F80^J?F~q@t%Qq&bzF}dM&MQXk6ad(0F-+6<;e~mtJ1Kd>O;n z&(k#9gPL~7d;U7_-8Gu_|8A8Awx;iCdAEO)X4CKR)0%CzcVf9_`)j%%xKp#e9rurS zX}13#-6f|!p#9a|!CI~4Pkkru(n|gs?~jGGl0Vk{)fcsrzpT5dsmtx`s&%=X{y@YP zjRoV*jq8Wp<9*%9KKJNIvTsweX;E{tQ!@x-{^npP8jTU5r*EjQ2%+2Q^R+};y#5Fg z`umdc@zI{<-rn)Pi3zJnk24sI#^NrIhbY@Nc8>+&@%V=BA@5adtfXG2D-sI@qMo3$ 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literal 0 HcmV?d00001 diff --git a/imgui-submodule/imgui/examples/libs/usynergy/README.txt b/imgui-submodule/imgui/examples/libs/usynergy/README.txt new file mode 100644 index 0000000..c86b909 --- /dev/null +++ b/imgui-submodule/imgui/examples/libs/usynergy/README.txt @@ -0,0 +1,8 @@ + +uSynergy client -- Implementation for the embedded Synergy client library +version 1.0.0, July 7th, 2012 +Copyright (c) 2012 Alex Evans + +This is a copy of the files once found at: + https://github.com/symless/synergy-core/tree/790d108a56ada9caad8e56ff777d444485a69da9/src/micro + diff --git a/imgui-submodule/imgui/examples/libs/usynergy/uSynergy.c b/imgui-submodule/imgui/examples/libs/usynergy/uSynergy.c new file mode 100644 index 0000000..8dce47b --- /dev/null +++ b/imgui-submodule/imgui/examples/libs/usynergy/uSynergy.c @@ -0,0 +1,636 @@ +/* +uSynergy client -- Implementation for the embedded Synergy client library + version 1.0.0, July 7th, 2012 + +Copyright (c) 2012 Alex Evans + +This software is provided 'as-is', without any express or implied +warranty. In no event will the authors be held liable for any damages +arising from the use of this software. + +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it +freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + + 3. This notice may not be removed or altered from any source + distribution. +*/ +#include "uSynergy.h" +#include +#include + + + +//--------------------------------------------------------------------------------------------------------------------- +// Internal helpers +//--------------------------------------------------------------------------------------------------------------------- + + + +/** +@brief Read 16 bit integer in network byte order and convert to native byte order +**/ +static int16_t sNetToNative16(const unsigned char *value) +{ +#ifdef USYNERGY_LITTLE_ENDIAN + return value[1] | (value[0] << 8); +#else + return value[0] | (value[1] << 8); +#endif +} + + + +/** +@brief Read 32 bit integer in network byte order and convert to native byte order +**/ +static int32_t sNetToNative32(const unsigned char *value) +{ +#ifdef USYNERGY_LITTLE_ENDIAN + return value[3] | (value[2] << 8) | (value[1] << 16) | (value[0] << 24); +#else + return value[0] | (value[1] << 8) | (value[2] << 16) | (value[3] << 24); +#endif +} + + + +/** +@brief Trace text to client +**/ +static void sTrace(uSynergyContext *context, const char* text) +{ + // Don't trace if we don't have a trace function + if (context->m_traceFunc != 0L) + context->m_traceFunc(context->m_cookie, text); +} + + + +/** +@brief Add string to reply packet +**/ +static void sAddString(uSynergyContext *context, const char *string) +{ + size_t len = strlen(string); + memcpy(context->m_replyCur, string, len); + context->m_replyCur += len; +} + + + +/** +@brief Add uint8 to reply packet +**/ +static void sAddUInt8(uSynergyContext *context, uint8_t value) +{ + *context->m_replyCur++ = value; +} + + + +/** +@brief Add uint16 to reply packet +**/ +static void sAddUInt16(uSynergyContext *context, uint16_t value) +{ + uint8_t *reply = context->m_replyCur; + *reply++ = (uint8_t)(value >> 8); + *reply++ = (uint8_t)value; + context->m_replyCur = reply; +} + + + +/** +@brief Add uint32 to reply packet +**/ +static void sAddUInt32(uSynergyContext *context, uint32_t value) +{ + uint8_t *reply = context->m_replyCur; + *reply++ = (uint8_t)(value >> 24); + *reply++ = (uint8_t)(value >> 16); + *reply++ = (uint8_t)(value >> 8); + *reply++ = (uint8_t)value; + context->m_replyCur = reply; +} + + + +/** +@brief Send reply packet +**/ +static uSynergyBool sSendReply(uSynergyContext *context) +{ + // Set header size + uint8_t *reply_buf = context->m_replyBuffer; + uint32_t reply_len = (uint32_t)(context->m_replyCur - reply_buf); /* Total size of reply */ + uint32_t body_len = reply_len - 4; /* Size of body */ + uSynergyBool ret; + reply_buf[0] = (uint8_t)(body_len >> 24); + reply_buf[1] = (uint8_t)(body_len >> 16); + reply_buf[2] = (uint8_t)(body_len >> 8); + reply_buf[3] = (uint8_t)body_len; + + // Send reply + ret = context->m_sendFunc(context->m_cookie, context->m_replyBuffer, reply_len); + + // Reset reply buffer write pointer + context->m_replyCur = context->m_replyBuffer+4; + return ret; +} + + + +/** +@brief Call mouse callback after a mouse event +**/ +static void sSendMouseCallback(uSynergyContext *context) +{ + // Skip if no callback is installed + if (context->m_mouseCallback == 0L) + return; + + // Send callback + context->m_mouseCallback(context->m_cookie, context->m_mouseX, context->m_mouseY, context->m_mouseWheelX, + context->m_mouseWheelY, context->m_mouseButtonLeft, context->m_mouseButtonRight, context->m_mouseButtonMiddle); +} + + + +/** +@brief Send keyboard callback when a key has been pressed or released +**/ +static void sSendKeyboardCallback(uSynergyContext *context, uint16_t key, uint16_t modifiers, uSynergyBool down, uSynergyBool repeat) +{ + // Skip if no callback is installed + if (context->m_keyboardCallback == 0L) + return; + + // Send callback + context->m_keyboardCallback(context->m_cookie, key, modifiers, down, repeat); +} + + + +/** +@brief Send joystick callback +**/ +static void sSendJoystickCallback(uSynergyContext *context, uint8_t joyNum) +{ + int8_t *sticks; + + // Skip if no callback is installed + if (context->m_joystickCallback == 0L) + return; + + // Send callback + sticks = context->m_joystickSticks[joyNum]; + context->m_joystickCallback(context->m_cookie, joyNum, context->m_joystickButtons[joyNum], sticks[0], sticks[1], sticks[2], sticks[3]); +} + + + +/** +@brief Parse a single client message, update state, send callbacks and send replies +**/ +#define USYNERGY_IS_PACKET(pkt_id) memcmp(message+4, pkt_id, 4)==0 +static void sProcessMessage(uSynergyContext *context, const uint8_t *message) +{ + // We have a packet! + if (memcmp(message+4, "Synergy", 7)==0) + { + // Welcome message + // kMsgHello = "Synergy%2i%2i" + // kMsgHelloBack = "Synergy%2i%2i%s" + sAddString(context, "Synergy"); + sAddUInt16(context, USYNERGY_PROTOCOL_MAJOR); + sAddUInt16(context, USYNERGY_PROTOCOL_MINOR); + sAddUInt32(context, (uint32_t)strlen(context->m_clientName)); + sAddString(context, context->m_clientName); + if (!sSendReply(context)) + { + // Send reply failed, let's try to reconnect + sTrace(context, "SendReply failed, trying to reconnect in a second"); + context->m_connected = USYNERGY_FALSE; + context->m_sleepFunc(context->m_cookie, 1000); + } + else + { + // Let's assume we're connected + char buffer[256+1]; + sprintf(buffer, "Connected as client \"%s\"", context->m_clientName); + sTrace(context, buffer); + context->m_hasReceivedHello = USYNERGY_TRUE; + } + return; + } + else if (USYNERGY_IS_PACKET("QINF")) + { + // Screen info. Reply with DINF + // kMsgQInfo = "QINF" + // kMsgDInfo = "DINF%2i%2i%2i%2i%2i%2i%2i" + uint16_t x = 0, y = 0, warp = 0; + sAddString(context, "DINF"); + sAddUInt16(context, x); + sAddUInt16(context, y); + sAddUInt16(context, context->m_clientWidth); + sAddUInt16(context, context->m_clientHeight); + sAddUInt16(context, warp); + sAddUInt16(context, 0); // mx? + sAddUInt16(context, 0); // my? + sSendReply(context); + return; + } + else if (USYNERGY_IS_PACKET("CIAK")) + { + // Do nothing? + // kMsgCInfoAck = "CIAK" + return; + } + else if (USYNERGY_IS_PACKET("CROP")) + { + // Do nothing? + // kMsgCResetOptions = "CROP" + return; + } + else if (USYNERGY_IS_PACKET("CINN")) + { + // Screen enter. Reply with CNOP + // kMsgCEnter = "CINN%2i%2i%4i%2i" + + // Obtain the Synergy sequence number + context->m_sequenceNumber = sNetToNative32(message + 12); + context->m_isCaptured = USYNERGY_TRUE; + + // Call callback + if (context->m_screenActiveCallback != 0L) + context->m_screenActiveCallback(context->m_cookie, USYNERGY_TRUE); + } + else if (USYNERGY_IS_PACKET("COUT")) + { + // Screen leave + // kMsgCLeave = "COUT" + context->m_isCaptured = USYNERGY_FALSE; + + // Call callback + if (context->m_screenActiveCallback != 0L) + context->m_screenActiveCallback(context->m_cookie, USYNERGY_FALSE); + } + else if (USYNERGY_IS_PACKET("DMDN")) + { + // Mouse down + // kMsgDMouseDown = "DMDN%1i" + char btn = message[8]-1; + if (btn==2) + context->m_mouseButtonRight = USYNERGY_TRUE; + else if (btn==1) + context->m_mouseButtonMiddle = USYNERGY_TRUE; + else + context->m_mouseButtonLeft = USYNERGY_TRUE; + sSendMouseCallback(context); + } + else if (USYNERGY_IS_PACKET("DMUP")) + { + // Mouse up + // kMsgDMouseUp = "DMUP%1i" + char btn = message[8]-1; + if (btn==2) + context->m_mouseButtonRight = USYNERGY_FALSE; + else if (btn==1) + context->m_mouseButtonMiddle = USYNERGY_FALSE; + else + context->m_mouseButtonLeft = USYNERGY_FALSE; + sSendMouseCallback(context); + } + else if (USYNERGY_IS_PACKET("DMMV")) + { + // Mouse move. Reply with CNOP + // kMsgDMouseMove = "DMMV%2i%2i" + context->m_mouseX = sNetToNative16(message+8); + context->m_mouseY = sNetToNative16(message+10); + sSendMouseCallback(context); + } + else if (USYNERGY_IS_PACKET("DMWM")) + { + // Mouse wheel + // kMsgDMouseWheel = "DMWM%2i%2i" + // kMsgDMouseWheel1_0 = "DMWM%2i" + context->m_mouseWheelX += sNetToNative16(message+8); + context->m_mouseWheelY += sNetToNative16(message+10); + sSendMouseCallback(context); + } + else if (USYNERGY_IS_PACKET("DKDN")) + { + // Key down + // kMsgDKeyDown = "DKDN%2i%2i%2i" + // kMsgDKeyDown1_0 = "DKDN%2i%2i" + //uint16_t id = sNetToNative16(message+8); + uint16_t mod = sNetToNative16(message+10); + uint16_t key = sNetToNative16(message+12); + sSendKeyboardCallback(context, key, mod, USYNERGY_TRUE, USYNERGY_FALSE); + } + else if (USYNERGY_IS_PACKET("DKRP")) + { + // Key repeat + // kMsgDKeyRepeat = "DKRP%2i%2i%2i%2i" + // kMsgDKeyRepeat1_0 = "DKRP%2i%2i%2i" + uint16_t mod = sNetToNative16(message+10); +// uint16_t count = sNetToNative16(message+12); + uint16_t key = sNetToNative16(message+14); + sSendKeyboardCallback(context, key, mod, USYNERGY_TRUE, USYNERGY_TRUE); + } + else if (USYNERGY_IS_PACKET("DKUP")) + { + // Key up + // kMsgDKeyUp = "DKUP%2i%2i%2i" + // kMsgDKeyUp1_0 = "DKUP%2i%2i" + //uint16 id=Endian::sNetToNative(sbuf[4]); + uint16_t mod = sNetToNative16(message+10); + uint16_t key = sNetToNative16(message+12); + sSendKeyboardCallback(context, key, mod, USYNERGY_FALSE, USYNERGY_FALSE); + } + else if (USYNERGY_IS_PACKET("DGBT")) + { + // Joystick buttons + // kMsgDGameButtons = "DGBT%1i%2i"; + uint8_t joy_num = message[8]; + if (joy_numm_joystickButtons[joy_num] = (message[9] << 8) | message[10]; + sSendJoystickCallback(context, joy_num); + } + } + else if (USYNERGY_IS_PACKET("DGST")) + { + // Joystick sticks + // kMsgDGameSticks = "DGST%1i%1i%1i%1i%1i"; + uint8_t joy_num = message[8]; + if (joy_numm_joystickSticks[joy_num], message+9, 4); + sSendJoystickCallback(context, joy_num); + } + } + else if (USYNERGY_IS_PACKET("DSOP")) + { + // Set options + // kMsgDSetOptions = "DSOP%4I" + } + else if (USYNERGY_IS_PACKET("CALV")) + { + // Keepalive, reply with CALV and then CNOP + // kMsgCKeepAlive = "CALV" + sAddString(context, "CALV"); + sSendReply(context); + // now reply with CNOP + } + else if (USYNERGY_IS_PACKET("DCLP")) + { + // Clipboard message + // kMsgDClipboard = "DCLP%1i%4i%s" + // + // The clipboard message contains: + // 1 uint32: The size of the message + // 4 chars: The identifier ("DCLP") + // 1 uint8: The clipboard index + // 1 uint32: The sequence number. It's zero, because this message is always coming from the server? + // 1 uint32: The total size of the remaining 'string' (as per the Synergy %s string format (which is 1 uint32 for size followed by a char buffer (not necessarily null terminated)). + // 1 uint32: The number of formats present in the message + // And then 'number of formats' times the following: + // 1 uint32: The format of the clipboard data + // 1 uint32: The size n of the clipboard data + // n uint8: The clipboard data + const uint8_t * parse_msg = message+17; + uint32_t num_formats = sNetToNative32(parse_msg); + parse_msg += 4; + for (; num_formats; num_formats--) + { + // Parse clipboard format header + uint32_t format = sNetToNative32(parse_msg); + uint32_t size = sNetToNative32(parse_msg+4); + parse_msg += 8; + + // Call callback + if (context->m_clipboardCallback) + context->m_clipboardCallback(context->m_cookie, format, parse_msg, size); + + parse_msg += size; + } + } + else + { + // Unknown packet, could be any of these + // kMsgCNoop = "CNOP" + // kMsgCClose = "CBYE" + // kMsgCClipboard = "CCLP%1i%4i" + // kMsgCScreenSaver = "CSEC%1i" + // kMsgDKeyRepeat = "DKRP%2i%2i%2i%2i" + // kMsgDKeyRepeat1_0 = "DKRP%2i%2i%2i" + // kMsgDMouseRelMove = "DMRM%2i%2i" + // kMsgEIncompatible = "EICV%2i%2i" + // kMsgEBusy = "EBSY" + // kMsgEUnknown = "EUNK" + // kMsgEBad = "EBAD" + char buffer[64]; + sprintf(buffer, "Unknown packet '%c%c%c%c'", message[4], message[5], message[6], message[7]); + sTrace(context, buffer); + return; + } + + // Reply with CNOP maybe? + sAddString(context, "CNOP"); + sSendReply(context); +} +#undef USYNERGY_IS_PACKET + + + +/** +@brief Mark context as being disconnected +**/ +static void sSetDisconnected(uSynergyContext *context) +{ + context->m_connected = USYNERGY_FALSE; + context->m_hasReceivedHello = USYNERGY_FALSE; + context->m_isCaptured = USYNERGY_FALSE; + context->m_replyCur = context->m_replyBuffer + 4; + context->m_sequenceNumber = 0; +} + + + +/** +@brief Update a connected context +**/ +static void sUpdateContext(uSynergyContext *context) +{ + /* Receive data (blocking) */ + int receive_size = USYNERGY_RECEIVE_BUFFER_SIZE - context->m_receiveOfs; + int num_received = 0; + int packlen = 0; + if (context->m_receiveFunc(context->m_cookie, context->m_receiveBuffer + context->m_receiveOfs, receive_size, &num_received) == USYNERGY_FALSE) + { + /* Receive failed, let's try to reconnect */ + char buffer[128]; + sprintf(buffer, "Receive failed (%d bytes asked, %d bytes received), trying to reconnect in a second", receive_size, num_received); + sTrace(context, buffer); + sSetDisconnected(context); + context->m_sleepFunc(context->m_cookie, 1000); + return; + } + context->m_receiveOfs += num_received; + + /* If we didn't receive any data then we're probably still polling to get connected and + therefore not getting any data back. To avoid overloading the system with a Synergy + thread that would hammer on polling, we let it rest for a bit if there's no data. */ + if (num_received == 0) + context->m_sleepFunc(context->m_cookie, 500); + + /* Check for timeouts */ + if (context->m_hasReceivedHello) + { + uint32_t cur_time = context->m_getTimeFunc(); + if (num_received == 0) + { + /* Timeout after 2 secs of inactivity (we received no CALV) */ + if ((cur_time - context->m_lastMessageTime) > USYNERGY_IDLE_TIMEOUT) + sSetDisconnected(context); + } + else + context->m_lastMessageTime = cur_time; + } + + /* Eat packets */ + for (;;) + { + /* Grab packet length and bail out if the packet goes beyond the end of the buffer */ + packlen = sNetToNative32(context->m_receiveBuffer); + if (packlen+4 > context->m_receiveOfs) + break; + + /* Process message */ + sProcessMessage(context, context->m_receiveBuffer); + + /* Move packet to front of buffer */ + memmove(context->m_receiveBuffer, context->m_receiveBuffer+packlen+4, context->m_receiveOfs-packlen-4); + context->m_receiveOfs -= packlen+4; + } + + /* Throw away over-sized packets */ + if (packlen > USYNERGY_RECEIVE_BUFFER_SIZE) + { + /* Oversized packet, ditch tail end */ + char buffer[128]; + sprintf(buffer, "Oversized packet: '%c%c%c%c' (length %d)", context->m_receiveBuffer[4], context->m_receiveBuffer[5], context->m_receiveBuffer[6], context->m_receiveBuffer[7], packlen); + sTrace(context, buffer); + num_received = context->m_receiveOfs-4; // 4 bytes for the size field + while (num_received != packlen) + { + int buffer_left = packlen - num_received; + int to_receive = buffer_left < USYNERGY_RECEIVE_BUFFER_SIZE ? buffer_left : USYNERGY_RECEIVE_BUFFER_SIZE; + int ditch_received = 0; + if (context->m_receiveFunc(context->m_cookie, context->m_receiveBuffer, to_receive, &ditch_received) == USYNERGY_FALSE) + { + /* Receive failed, let's try to reconnect */ + sTrace(context, "Receive failed, trying to reconnect in a second"); + sSetDisconnected(context); + context->m_sleepFunc(context->m_cookie, 1000); + break; + } + else + { + num_received += ditch_received; + } + } + context->m_receiveOfs = 0; + } +} + + +//--------------------------------------------------------------------------------------------------------------------- +// Public interface +//--------------------------------------------------------------------------------------------------------------------- + + + +/** +@brief Initialize uSynergy context +**/ +void uSynergyInit(uSynergyContext *context) +{ + /* Zero memory */ + memset(context, 0, sizeof(uSynergyContext)); + + /* Initialize to default state */ + sSetDisconnected(context); +} + + +/** +@brief Update uSynergy +**/ +void uSynergyUpdate(uSynergyContext *context) +{ + if (context->m_connected) + { + /* Update context, receive data, call callbacks */ + sUpdateContext(context); + } + else + { + /* Try to connect */ + if (context->m_connectFunc(context->m_cookie)) + context->m_connected = USYNERGY_TRUE; + } +} + + + +/** +@brief Send clipboard data +**/ +void uSynergySendClipboard(uSynergyContext *context, const char *text) +{ + // Calculate maximum size that will fit in a reply packet + uint32_t overhead_size = 4 + /* Message size */ + 4 + /* Message ID */ + 1 + /* Clipboard index */ + 4 + /* Sequence number */ + 4 + /* Rest of message size (because it's a Synergy string from here on) */ + 4 + /* Number of clipboard formats */ + 4 + /* Clipboard format */ + 4; /* Clipboard data length */ + uint32_t max_length = USYNERGY_REPLY_BUFFER_SIZE - overhead_size; + + // Clip text to max length + uint32_t text_length = (uint32_t)strlen(text); + if (text_length > max_length) + { + char buffer[128]; + sprintf(buffer, "Clipboard buffer too small, clipboard truncated at %d characters", max_length); + sTrace(context, buffer); + text_length = max_length; + } + + // Assemble packet + sAddString(context, "DCLP"); + sAddUInt8(context, 0); /* Clipboard index */ + sAddUInt32(context, context->m_sequenceNumber); + sAddUInt32(context, 4+4+4+text_length); /* Rest of message size: numFormats, format, length, data */ + sAddUInt32(context, 1); /* Number of formats (only text for now) */ + sAddUInt32(context, USYNERGY_CLIPBOARD_FORMAT_TEXT); + sAddUInt32(context, text_length); + sAddString(context, text); + sSendReply(context); +} diff --git a/imgui-submodule/imgui/examples/libs/usynergy/uSynergy.h b/imgui-submodule/imgui/examples/libs/usynergy/uSynergy.h new file mode 100644 index 0000000..cedc387 --- /dev/null +++ b/imgui-submodule/imgui/examples/libs/usynergy/uSynergy.h @@ -0,0 +1,420 @@ +/* +uSynergy client -- Interface for the embedded Synergy client library + version 1.0.0, July 7th, 2012 + +Copyright (C) 2012 Synergy Si Ltd. +Copyright (c) 2012 Alex Evans + +This software is provided 'as-is', without any express or implied +warranty. In no event will the authors be held liable for any damages +arising from the use of this software. + +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it +freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + + 3. This notice may not be removed or altered from any source + distribution. +*/ +#include + +#ifdef __cplusplus +extern "C" { +#endif + + + +//--------------------------------------------------------------------------------------------------------------------- +// Configuration +//--------------------------------------------------------------------------------------------------------------------- + + + +/** +@brief Determine endianness +**/ +#if defined(USYNERGY_LITTLE_ENDIAN) && defined(USYNERGY_BIG_ENDIAN) + /* Ambiguous: both endians specified */ + #error "Can't define both USYNERGY_LITTLE_ENDIAN and USYNERGY_BIG_ENDIAN" +#elif !defined(USYNERGY_LITTLE_ENDIAN) && !defined(USYNERGY_BIG_ENDIAN) + /* Attempt to auto detect */ + #if defined(__LITTLE_ENDIAN__) || defined(LITTLE_ENDIAN) || (_BYTE_ORDER == _LITTLE_ENDIAN) + #define USYNERGY_LITTLE_ENDIAN + #elif defined(__BIG_ENDIAN__) || defined(BIG_ENDIAN) || (_BYTE_ORDER == _BIG_ENDIAN) + #define USYNERGY_BIG_ENDIAN + #else + #error "Can't detect endian-nes, please defined either USYNERGY_LITTLE_ENDIAN or USYNERGY_BIG_ENDIAN"; + #endif +#else + /* User-specified endian-nes, nothing to do for us */ +#endif + + + +//--------------------------------------------------------------------------------------------------------------------- +// Types and Constants +//--------------------------------------------------------------------------------------------------------------------- + + + +/** +@brief Boolean type +**/ +typedef int uSynergyBool; +#define USYNERGY_FALSE 0 /* False value */ +#define USYNERGY_TRUE 1 /* True value */ + + +/** +@brief User context type + +The uSynergyCookie type is an opaque type that is used by uSynergy to communicate to the client. It is passed along to +callback functions as context. +**/ +typedef struct { int ignored; } * uSynergyCookie; + + + +/** +@brief Clipboard types +**/ +enum uSynergyClipboardFormat +{ + USYNERGY_CLIPBOARD_FORMAT_TEXT = 0, /* Text format, UTF-8, newline is LF */ + USYNERGY_CLIPBOARD_FORMAT_BITMAP = 1, /* Bitmap format, BMP 24/32bpp, BI_RGB */ + USYNERGY_CLIPBOARD_FORMAT_HTML = 2, /* HTML format, HTML fragment, UTF-8, newline is LF */ +}; + + + +/** +@brief Constants and limits +**/ +#define USYNERGY_NUM_JOYSTICKS 4 /* Maximum number of supported joysticks */ + +#define USYNERGY_PROTOCOL_MAJOR 1 /* Major protocol version */ +#define USYNERGY_PROTOCOL_MINOR 4 /* Minor protocol version */ + +#define USYNERGY_IDLE_TIMEOUT 2000 /* Timeout in milliseconds before reconnecting */ + +#define USYNERGY_TRACE_BUFFER_SIZE 1024 /* Maximum length of traced message */ +#define USYNERGY_REPLY_BUFFER_SIZE 1024 /* Maximum size of a reply packet */ +#define USYNERGY_RECEIVE_BUFFER_SIZE 4096 /* Maximum size of an incoming packet */ + + + +/** +@brief Keyboard constants +**/ +#define USYNERGY_MODIFIER_SHIFT 0x0001 /* Shift key modifier */ +#define USYNERGY_MODIFIER_CTRL 0x0002 /* Ctrl key modifier */ +#define USYNERGY_MODIFIER_ALT 0x0004 /* Alt key modifier */ +#define USYNERGY_MODIFIER_META 0x0008 /* Meta key modifier */ +#define USYNERGY_MODIFIER_WIN 0x0010 /* Windows key modifier */ +#define USYNERGY_MODIFIER_ALT_GR 0x0020 /* AltGr key modifier */ +#define USYNERGY_MODIFIER_LEVEL5LOCK 0x0040 /* Level5Lock key modifier */ +#define USYNERGY_MODIFIER_CAPSLOCK 0x1000 /* CapsLock key modifier */ +#define USYNERGY_MODIFIER_NUMLOCK 0x2000 /* NumLock key modifier */ +#define USYNERGY_MODIFIER_SCROLLOCK 0x4000 /* ScrollLock key modifier */ + + + + +//--------------------------------------------------------------------------------------------------------------------- +// Functions and Callbacks +//--------------------------------------------------------------------------------------------------------------------- + + + +/** +@brief Connect function + +This function is called when uSynergy needs to connect to the host. It doesn't imply a network implementation or +destination address, that must all be handled on the user side. The function should return USYNERGY_TRUE if a +connection was established or USYNERGY_FALSE if it could not connect. + +When network errors occur (e.g. uSynergySend or uSynergyReceive fail) then the connect call will be called again +so the implementation of the function must close any old connections and clean up resources before retrying. + +@param cookie Cookie supplied in the Synergy context +**/ +typedef uSynergyBool (*uSynergyConnectFunc)(uSynergyCookie cookie); + + + +/** +@brief Send function + +This function is called when uSynergy needs to send something over the default connection. It should return +USYNERGY_TRUE if sending succeeded and USYNERGY_FALSE otherwise. This function should block until the send +operation is completed. + +@param cookie Cookie supplied in the Synergy context +@param buffer Address of buffer to send +@param length Length of buffer to send +**/ +typedef uSynergyBool (*uSynergySendFunc)(uSynergyCookie cookie, const uint8_t *buffer, int length); + + + +/** +@brief Receive function + +This function is called when uSynergy needs to receive data from the default connection. It should return +USYNERGY_TRUE if receiving data succeeded and USYNERGY_FALSE otherwise. This function should block until data +has been received and wait for data to become available. If @a outLength is set to 0 upon completion it is +assumed that the connection is alive, but still in a connecting state and needs time to settle. + +@param cookie Cookie supplied in the Synergy context +@param buffer Address of buffer to receive data into +@param maxLength Maximum amount of bytes to write into the receive buffer +@param outLength Address of integer that receives the actual amount of bytes written into @a buffer +**/ +typedef uSynergyBool (*uSynergyReceiveFunc)(uSynergyCookie cookie, uint8_t *buffer, int maxLength, int* outLength); + + + +/** +@brief Thread sleep function + +This function is called when uSynergy wants to suspend operation for a while before retrying an operation. It +is mostly used when a socket times out or disconnect occurs to prevent uSynergy from continuously hammering a +network connection in case the network is down. + +@param cookie Cookie supplied in the Synergy context +@param timeMs Time to sleep the current thread (in milliseconds) +**/ +typedef void (*uSynergySleepFunc)(uSynergyCookie cookie, int timeMs); + + + +/** +@brief Get time function + +This function is called when uSynergy needs to know the current time. This is used to determine when timeouts +have occured. The time base should be a cyclic millisecond time value. + +@returns Time value in milliseconds +**/ +typedef uint32_t (*uSynergyGetTimeFunc)(); + + + +/** +@brief Trace function + +This function is called when uSynergy wants to trace something. It is optional to show these messages, but they +are often useful when debugging. uSynergy only traces major events like connecting and disconnecting. Usually +only a single trace is shown when the connection is established and no more trace are called. + +@param cookie Cookie supplied in the Synergy context +@param text Text to be traced +**/ +typedef void (*uSynergyTraceFunc)(uSynergyCookie cookie, const char *text); + + + +/** +@brief Screen active callback + +This callback is called when Synergy makes the screen active or inactive. This +callback is usually sent when the mouse enters or leaves the screen. + +@param cookie Cookie supplied in the Synergy context +@param active Activation flag, 1 if the screen has become active, 0 if the screen has become inactive +**/ +typedef void (*uSynergyScreenActiveCallback)(uSynergyCookie cookie, uSynergyBool active); + + + +/** +@brief Mouse callback + +This callback is called when a mouse events happens. The mouse X and Y position, +wheel and button state is communicated in the message. It's up to the user to +interpret if this is a mouse up, down, double-click or other message. + +@param cookie Cookie supplied in the Synergy context +@param x Mouse X position +@param y Mouse Y position +@param wheelX Mouse wheel X position +@param wheelY Mouse wheel Y position +@param buttonLeft Left button pressed status, 0 for released, 1 for pressed +@param buttonMiddle Middle button pressed status, 0 for released, 1 for pressed +@param buttonRight Right button pressed status, 0 for released, 1 for pressed +**/ +typedef void (*uSynergyMouseCallback)(uSynergyCookie cookie, uint16_t x, uint16_t y, int16_t wheelX, int16_t wheelY, uSynergyBool buttonLeft, uSynergyBool buttonRight, uSynergyBool buttonMiddle); + + + +/** +@brief Key event callback + +This callback is called when a key is pressed or released. + +@param cookie Cookie supplied in the Synergy context +@param key Key code of key that was pressed or released +@param modifiers Status of modifier keys (alt, shift, etc.) +@param down Down or up status, 1 is key is pressed down, 0 if key is released (up) +@param repeat Repeat flag, 1 if the key is down because the key is repeating, 0 if the key is initially pressed by the user +**/ +typedef void (*uSynergyKeyboardCallback)(uSynergyCookie cookie, uint16_t key, uint16_t modifiers, uSynergyBool down, uSynergyBool repeat); + + + +/** +@brief Joystick event callback + +This callback is called when a joystick stick or button changes. It is possible that multiple callbacks are +fired when different sticks or buttons change as these are individual messages in the packet stream. Each +callback will contain all the valid state for the different axes and buttons. The last callback received will +represent the most current joystick state. + +@param cookie Cookie supplied in the Synergy context +@param joyNum Joystick number, always in the range [0 ... USYNERGY_NUM_JOYSTICKS> +@param buttons Button pressed mask +@param leftStickX Left stick X position, in range [-127 ... 127] +@param leftStickY Left stick Y position, in range [-127 ... 127] +@param rightStickX Right stick X position, in range [-127 ... 127] +@param rightStickY Right stick Y position, in range [-127 ... 127] +**/ +typedef void (*uSynergyJoystickCallback)(uSynergyCookie cookie, uint8_t joyNum, uint16_t buttons, int8_t leftStickX, int8_t leftStickY, int8_t rightStickX, int8_t rightStickY); + + + +/** +@brief Clipboard event callback + +This callback is called when something is placed on the clipboard. Multiple callbacks may be fired for +multiple clipboard formats if they are supported. The data provided is read-only and may not be modified +by the application. + +@param cookie Cookie supplied in the Synergy context +@param format Clipboard format +@param data Memory area containing the clipboard raw data +@param size Size of clipboard data +**/ +typedef void (*uSynergyClipboardCallback)(uSynergyCookie cookie, enum uSynergyClipboardFormat format, const uint8_t *data, uint32_t size); + + + +//--------------------------------------------------------------------------------------------------------------------- +// Context +//--------------------------------------------------------------------------------------------------------------------- + + + +/** +@brief uSynergy context +**/ +typedef struct +{ + /* Mandatory configuration data, filled in by client */ + uSynergyConnectFunc m_connectFunc; /* Connect function */ + uSynergySendFunc m_sendFunc; /* Send data function */ + uSynergyReceiveFunc m_receiveFunc; /* Receive data function */ + uSynergySleepFunc m_sleepFunc; /* Thread sleep function */ + uSynergyGetTimeFunc m_getTimeFunc; /* Get current time function */ + const char* m_clientName; /* Name of Synergy Screen / Client */ + uint16_t m_clientWidth; /* Width of screen */ + uint16_t m_clientHeight; /* Height of screen */ + + /* Optional configuration data, filled in by client */ + uSynergyCookie m_cookie; /* Cookie pointer passed to callback functions (can be NULL) */ + uSynergyTraceFunc m_traceFunc; /* Function for tracing status (can be NULL) */ + uSynergyScreenActiveCallback m_screenActiveCallback; /* Callback for entering and leaving screen */ + uSynergyMouseCallback m_mouseCallback; /* Callback for mouse events */ + uSynergyKeyboardCallback m_keyboardCallback; /* Callback for keyboard events */ + uSynergyJoystickCallback m_joystickCallback; /* Callback for joystick events */ + uSynergyClipboardCallback m_clipboardCallback; /* Callback for clipboard events */ + + /* State data, used internall by client, initialized by uSynergyInit() */ + uSynergyBool m_connected; /* Is our socket connected? */ + uSynergyBool m_hasReceivedHello; /* Have we received a 'Hello' from the server? */ + uSynergyBool m_isCaptured; /* Is Synergy active (i.e. this client is receiving input messages?) */ + uint32_t m_lastMessageTime; /* Time at which last message was received */ + uint32_t m_sequenceNumber; /* Packet sequence number */ + uint8_t m_receiveBuffer[USYNERGY_RECEIVE_BUFFER_SIZE]; /* Receive buffer */ + int m_receiveOfs; /* Receive buffer offset */ + uint8_t m_replyBuffer[USYNERGY_REPLY_BUFFER_SIZE]; /* Reply buffer */ + uint8_t* m_replyCur; /* Write offset into reply buffer */ + uint16_t m_mouseX; /* Mouse X position */ + uint16_t m_mouseY; /* Mouse Y position */ + int16_t m_mouseWheelX; /* Mouse wheel X position */ + int16_t m_mouseWheelY; /* Mouse wheel Y position */ + uSynergyBool m_mouseButtonLeft; /* Mouse left button */ + uSynergyBool m_mouseButtonRight; /* Mouse right button */ + uSynergyBool m_mouseButtonMiddle; /* Mouse middle button */ + int8_t m_joystickSticks[USYNERGY_NUM_JOYSTICKS][4]; /* Joystick stick position in 2 axes for 2 sticks */ + uint16_t m_joystickButtons[USYNERGY_NUM_JOYSTICKS]; /* Joystick button state */ +} uSynergyContext; + + + +//--------------------------------------------------------------------------------------------------------------------- +// Interface +//--------------------------------------------------------------------------------------------------------------------- + + + +/** +@brief Initialize uSynergy context + +This function initializes @a context for use. Call this function directly after +creating the context, before filling in any configuration data in it. Not calling +this function will cause undefined behavior. + +@param context Context to be initialized +**/ +extern void uSynergyInit(uSynergyContext *context); + + + +/** +@brief Update uSynergy + +This function updates uSynergy and does the bulk of the work. It does connection management, +receiving data, reconnecting after errors or timeouts and so on. It assumes that networking +operations are blocking and it can suspend the current thread if it needs to wait. It is +best practice to call uSynergyUpdate from a background thread so it is responsive. + +Because uSynergy relies mostly on blocking calls it will mostly stay in thread sleep state +waiting for system mutexes and won't eat much memory. + +uSynergyUpdate doesn't do any memory allocations or have any side effects beyond those of +the callbacks it calls. + +@param context Context to be updated +**/ +extern void uSynergyUpdate(uSynergyContext *context); + + + +/** +@brief Send clipboard data + +This function sets new clipboard data and sends it to the server. Use this function if +your client cuts or copies data onto the clipboard that it needs to share with the +server. + +Currently there is only support for plaintext, but HTML and image data could be +supported with some effort. + +@param context Context to send clipboard data to +@param text Text to set to the clipboard +**/ +extern void uSynergySendClipboard(uSynergyContext *context, const char *text); + + + +#ifdef __cplusplus +}; +#endif diff --git a/imgui-submodule/imgui/examples/opengl-playground b/imgui-submodule/imgui/examples/opengl-playground new file mode 100755 index 0000000000000000000000000000000000000000..7e74f1cdd41fb4adfb7f12447eaaefffa35d5712 GIT binary patch literal 1167632 zcma%E30O?u`@b_yHKj6bT7+pqi%6oBWlAYq5?MnjM3(H8FfEj92}y|-(jp3xL`jyS zgk;H*Bw4Z)QCa@)nfJ`|{J!&;=lQ=+pE-9vz4M;;yyrdVo_pusJ6oJ4j%Bl0G7J?N zW)#DMZ3}0%h!IfUtz4CEF^qt*VYQOy$NqizgO7b~rVq=L0#U;Z-P4YQevMHbyN|fI-6hw;R@_#=ks_#oT(f=8V()|V6 z6PN${ITD+Irz)b)1-$=nndgS)ggID>KS!*Q&qX~){iv4zmJ)6=;&>7t3Cd{mBuhv5 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zKVa`Zy@&tK`|zQ-r3`RzHW}jjDISG?ZpicXS*Ux}xiOrcQId4tm!F@(UA_nZf3Mx` z>-LMke!6%HzZ-vk0e^f9|NHfSZNK>IFUBw9_wO(M-o)SW`fu6w{`y++{qp+T`24@W z``xKO|Ks1M7x?R!*7fg?*nK{3ul{lmzx)vX_v=r#^b>#mhdt2Xg$phmT+H+Ua~5zi>_ceqaAd{moxL`J?(xf4*Pu^Zz}&{+52N^B2FQ*Zb@5 z{9wAC*Ob@)0p8;fIX?OMoQ=d@NuTkj-2dOlhw=K?>^gt_B#A5heA0gR*FVDF@%ptl z^!fh!XJ7k)aCN8S*ZG@&Qe6M7Z;_fh9e@2{`78ZXj{jYJ#OK?rJDu<7_5S*eukq9L z^IG~&x%s>+%y{>$78@@#Rf>{%1a>-~3s; xH^m@*-p;>xx_#`t&VOcI-J!qyV}Fuforth between your math types and ImVec2/ImVec4. +// This will be inlined as part of ImVec2 and ImVec4 class declarations. +/* +#define IM_VEC2_CLASS_EXTRA \ + ImVec2(const MyVec2& f) { x = f.x; y = f.y; } \ + operator MyVec2() const { return MyVec2(x,y); } + +#define IM_VEC4_CLASS_EXTRA \ + ImVec4(const MyVec4& f) { x = f.x; y = f.y; z = f.z; w = f.w; } \ + operator MyVec4() const { return MyVec4(x,y,z,w); } +*/ + +//---- Use 32-bit vertex indices (default is 16-bit) is one way to allow large meshes with more than 64K vertices. +// Your renderer back-end will need to support it (most example renderer back-ends support both 16/32-bit indices). +// Another way to allow large meshes while keeping 16-bit indices is to handle ImDrawCmd::VtxOffset in your renderer. +// Read about ImGuiBackendFlags_RendererHasVtxOffset for details. +//#define ImDrawIdx unsigned int + +//---- Use 32-bit for ImWchar (default is 16-bit) to support full unicode code points. +//#define ImWchar ImWchar32 + +//---- Override ImDrawCallback signature (will need to modify renderer back-ends accordingly) +//struct ImDrawList; +//struct ImDrawCmd; +//typedef void (*MyImDrawCallback)(const ImDrawList* draw_list, const ImDrawCmd* cmd, void* my_renderer_user_data); +//#define ImDrawCallback MyImDrawCallback + +//---- Debug Tools: Macro to break in Debugger +// (use 'Metrics->Tools->Item Picker' to pick widgets with the mouse and break into them for easy debugging.) +//#define IM_DEBUG_BREAK IM_ASSERT(0) +//#define IM_DEBUG_BREAK __debugbreak() + +//---- Debug Tools: Have the Item Picker break in the ItemAdd() function instead of ItemHoverable(), +// (which comes earlier in the code, will catch a few extra items, allow picking items other than Hovered one.) +// This adds a small runtime cost which is why it is not enabled by default. +//#define IMGUI_DEBUG_TOOL_ITEM_PICKER_EX + +//---- Debug Tools: Enable slower asserts +//#define IMGUI_DEBUG_PARANOID + +//---- Tip: You can add extra functions within the ImGui:: namespace, here or in your own headers files. +/* +namespace ImGui +{ + void MyFunction(const char* name, const MyMatrix44& v); +} +*/ diff --git a/imgui-submodule/imgui/imgui.cpp b/imgui-submodule/imgui/imgui.cpp new file mode 100644 index 0000000..9d344ae --- /dev/null +++ b/imgui-submodule/imgui/imgui.cpp @@ -0,0 +1,10375 @@ +// dear imgui, v1.76 WIP +// (main code and documentation) + +// Help: +// - Read FAQ at http://dearimgui.org/faq +// - Newcomers, read 'Programmer guide' below for notes on how to setup Dear ImGui in your codebase. +// - Call and read ImGui::ShowDemoWindow() in imgui_demo.cpp for demo code. All applications in examples/ are doing that. + +// Resources: +// - FAQ http://dearimgui.org/faq +// - Homepage & latest https://github.com/ocornut/imgui +// - Releases & changelog https://github.com/ocornut/imgui/releases +// - Gallery https://github.com/ocornut/imgui/issues/2847 (please post your screenshots/video there!) +// - Glossary https://github.com/ocornut/imgui/wiki/Glossary +// - Wiki https://github.com/ocornut/imgui/wiki +// - Issues & support https://github.com/ocornut/imgui/issues + +// Developed by Omar Cornut and every direct or indirect contributors to the GitHub. +// See LICENSE.txt for copyright and licensing details (standard MIT License). +// This library is free but I need your support to sustain development and maintenance. +// Businesses: you can support continued development via invoiced technical support, maintenance and sponsoring contracts. Please reach out to "contact AT dearimgui.org". +// Individuals: you can support continued development via donations. See docs/README or web page. + +// It is recommended that you don't modify imgui.cpp! It will become difficult for you to update the library. +// Note that 'ImGui::' being a namespace, you can add functions into the namespace from your own source files, without +// modifying imgui.h or imgui.cpp. You may include imgui_internal.h to access internal data structures, but it doesn't +// come with any guarantee of forward compatibility. Discussing your changes on the GitHub Issue Tracker may lead you +// to a better solution or official support for them. + +/* + +Index of this file: + +DOCUMENTATION + +- MISSION STATEMENT +- END-USER GUIDE +- PROGRAMMER GUIDE + - READ FIRST + - HOW TO UPDATE TO A NEWER VERSION OF DEAR IMGUI + - GETTING STARTED WITH INTEGRATING DEAR IMGUI IN YOUR CODE/ENGINE + - HOW A SIMPLE APPLICATION MAY LOOK LIKE (2 variations) + - HOW A SIMPLE RENDERING FUNCTION MAY LOOK LIKE + - USING GAMEPAD/KEYBOARD NAVIGATION CONTROLS +- API BREAKING CHANGES (read me when you update!) +- FREQUENTLY ASKED QUESTIONS (FAQ) + - Read all answers online: https://www.dearimgui.org/faq, or in docs/FAQ.md (with a Markdown viewer) + +CODE +(search for "[SECTION]" in the code to find them) + +// [SECTION] INCLUDES +// [SECTION] FORWARD DECLARATIONS +// [SECTION] CONTEXT AND MEMORY ALLOCATORS +// [SECTION] USER FACING STRUCTURES (ImGuiStyle, ImGuiIO) +// [SECTION] MISC HELPERS/UTILITIES (Geometry functions) +// [SECTION] MISC HELPERS/UTILITIES (String, Format, Hash functions) +// [SECTION] MISC HELPERS/UTILITIES (File functions) +// [SECTION] MISC HELPERS/UTILITIES (ImText* functions) +// [SECTION] MISC HELPERS/UTILITIES (Color functions) +// [SECTION] ImGuiStorage +// [SECTION] ImGuiTextFilter +// [SECTION] ImGuiTextBuffer +// [SECTION] ImGuiListClipper +// [SECTION] STYLING +// [SECTION] RENDER HELPERS +// [SECTION] MAIN CODE (most of the code! lots of stuff, needs tidying up!) +// [SECTION] ERROR CHECKING +// [SECTION] LAYOUT +// [SECTION] SCROLLING +// [SECTION] TOOLTIPS +// [SECTION] POPUPS +// [SECTION] KEYBOARD/GAMEPAD NAVIGATION +// [SECTION] DRAG AND DROP +// [SECTION] LOGGING/CAPTURING +// [SECTION] SETTINGS +// [SECTION] PLATFORM DEPENDENT HELPERS +// [SECTION] METRICS/DEBUG WINDOW + +*/ + +//----------------------------------------------------------------------------- +// DOCUMENTATION +//----------------------------------------------------------------------------- + +/* + + MISSION STATEMENT + ================= + + - Easy to use to create code-driven and data-driven tools. + - Easy to use to create ad hoc short-lived tools and long-lived, more elaborate tools. + - Easy to hack and improve. + - Minimize screen real-estate usage. + - Minimize setup and maintenance. + - Minimize state storage on user side. + - Portable, minimize dependencies, run on target (consoles, phones, etc.). + - Efficient runtime and memory consumption (NB- we do allocate when "growing" content e.g. creating a window,. + opening a tree node for the first time, etc. but a typical frame should not allocate anything). + + Designed for developers and content-creators, not the typical end-user! Some of the weaknesses includes: + - Doesn't look fancy, doesn't animate. + - Limited layout features, intricate layouts are typically crafted in code. + + + END-USER GUIDE + ============== + + - Double-click on title bar to collapse window. + - Click upper right corner to close a window, available when 'bool* p_open' is passed to ImGui::Begin(). + - Click and drag on lower right corner to resize window (double-click to auto fit window to its contents). + - Click and drag on any empty space to move window. + - TAB/SHIFT+TAB to cycle through keyboard editable fields. + - CTRL+Click on a slider or drag box to input value as text. + - Use mouse wheel to scroll. + - Text editor: + - Hold SHIFT or use mouse to select text. + - CTRL+Left/Right to word jump. + - CTRL+Shift+Left/Right to select words. + - CTRL+A our Double-Click to select all. + - CTRL+X,CTRL+C,CTRL+V to use OS clipboard/ + - CTRL+Z,CTRL+Y to undo/redo. + - ESCAPE to revert text to its original value. + - You can apply arithmetic operators +,*,/ on numerical values. Use +- to subtract (because - would set a negative value!) + - Controls are automatically adjusted for OSX to match standard OSX text editing operations. + - General Keyboard controls: enable with ImGuiConfigFlags_NavEnableKeyboard. + - General Gamepad controls: enable with ImGuiConfigFlags_NavEnableGamepad. See suggested mappings in imgui.h ImGuiNavInput_ + download PNG/PSD at http://goo.gl/9LgVZW + + + PROGRAMMER GUIDE + ================ + + READ FIRST + ---------- + - Remember to read the FAQ (https://www.dearimgui.org/faq) + - Your code creates the UI, if your code doesn't run the UI is gone! The UI can be highly dynamic, there are no construction + or destruction steps, less superfluous data retention on your side, less state duplication, less state synchronization, less bugs. + - Call and read ImGui::ShowDemoWindow() for demo code demonstrating most features. + - The library is designed to be built from sources. Avoid pre-compiled binaries and packaged versions. See imconfig.h to configure your build. + - Dear ImGui is an implementation of the IMGUI paradigm (immediate-mode graphical user interface, a term coined by Casey Muratori). + You can learn about IMGUI principles at http://www.johno.se/book/imgui.html, http://mollyrocket.com/861 & more links docs/README.md. + - Dear ImGui is a "single pass" rasterizing implementation of the IMGUI paradigm, aimed at ease of use and high-performances. + For every application frame your UI code will be called only once. This is in contrast to e.g. Unity's own implementation of an IMGUI, + where the UI code is called multiple times ("multiple passes") from a single entry point. There are pros and cons to both approaches. + - Our origin are on the top-left. In axis aligned bounding boxes, Min = top-left, Max = bottom-right. + - This codebase is also optimized to yield decent performances with typical "Debug" builds settings. + - Please make sure you have asserts enabled (IM_ASSERT redirects to assert() by default, but can be redirected). + If you get an assert, read the messages and comments around the assert. + - C++: this is a very C-ish codebase: we don't rely on C++11, we don't include any C++ headers, and ImGui:: is a namespace. + - C++: ImVec2/ImVec4 do not expose math operators by default, because it is expected that you use your own math types. + See FAQ "How can I use my own math types instead of ImVec2/ImVec4?" for details about setting up imconfig.h for that. + However, imgui_internal.h can optionally export math operators for ImVec2/ImVec4, which we use in this codebase. + - C++: pay attention that ImVector<> manipulates plain-old-data and does not honor construction/destruction (avoid using it in your code!). + + HOW TO UPDATE TO A NEWER VERSION OF DEAR IMGUI + ---------------------------------------------- + - Overwrite all the sources files except for imconfig.h (if you have made modification to your copy of imconfig.h) + - Or maintain your own branch where you have imconfig.h modified. + - Read the "API BREAKING CHANGES" section (below). This is where we list occasional API breaking changes. + If a function/type has been renamed / or marked obsolete, try to fix the name in your code before it is permanently removed + from the public API. If you have a problem with a missing function/symbols, search for its name in the code, there will + likely be a comment about it. Please report any issue to the GitHub page! + - Try to keep your copy of dear imgui reasonably up to date. + + GETTING STARTED WITH INTEGRATING DEAR IMGUI IN YOUR CODE/ENGINE + --------------------------------------------------------------- + - Run and study the examples and demo in imgui_demo.cpp to get acquainted with the library. + - In the majority of cases you should be able to use unmodified back-ends files available in the examples/ folder. + - Add the Dear ImGui source files to your projects or using your preferred build system. + It is recommended you build and statically link the .cpp files as part of your project and NOT as shared library (DLL). + - You can later customize the imconfig.h file to tweak some compile-time behavior, such as integrating Dear ImGui types with your own maths types. + - When using Dear ImGui, your programming IDE is your friend: follow the declaration of variables, functions and types to find comments about them. + - Dear ImGui never touches or knows about your GPU state. The only function that knows about GPU is the draw function that you provide. + Effectively it means you can create widgets at any time in your code, regardless of considerations of being in "update" vs "render" + phases of your own application. All rendering information are stored into command-lists that you will retrieve after calling ImGui::Render(). + - Refer to the bindings and demo applications in the examples/ folder for instruction on how to setup your code. + - If you are running over a standard OS with a common graphics API, you should be able to use unmodified imgui_impl_*** files from the examples/ folder. + + HOW A SIMPLE APPLICATION MAY LOOK LIKE + -------------------------------------- + EXHIBIT 1: USING THE EXAMPLE BINDINGS (imgui_impl_XXX.cpp files from the examples/ folder). + + // Application init: create a dear imgui context, setup some options, load fonts + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); + // TODO: Set optional io.ConfigFlags values, e.g. 'io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard' to enable keyboard controls. + // TODO: Fill optional fields of the io structure later. + // TODO: Load TTF/OTF fonts if you don't want to use the default font. + + // Initialize helper Platform and Renderer bindings (here we are using imgui_impl_win32.cpp and imgui_impl_dx11.cpp) + ImGui_ImplWin32_Init(hwnd); + ImGui_ImplDX11_Init(g_pd3dDevice, g_pd3dDeviceContext); + + // Application main loop + while (true) + { + // Feed inputs to dear imgui, start new frame + ImGui_ImplDX11_NewFrame(); + ImGui_ImplWin32_NewFrame(); + ImGui::NewFrame(); + + // Any application code here + ImGui::Text("Hello, world!"); + + // Render dear imgui into screen + ImGui::Render(); + ImGui_ImplDX11_RenderDrawData(ImGui::GetDrawData()); + g_pSwapChain->Present(1, 0); + } + + // Shutdown + ImGui_ImplDX11_Shutdown(); + ImGui_ImplWin32_Shutdown(); + ImGui::DestroyContext(); + + EXHIBIT 2: IMPLEMENTING CUSTOM BINDING / CUSTOM ENGINE + + // Application init: create a dear imgui context, setup some options, load fonts + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); + // TODO: Set optional io.ConfigFlags values, e.g. 'io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard' to enable keyboard controls. + // TODO: Fill optional fields of the io structure later. + // TODO: Load TTF/OTF fonts if you don't want to use the default font. + + // Build and load the texture atlas into a texture + // (In the examples/ app this is usually done within the ImGui_ImplXXX_Init() function from one of the demo Renderer) + int width, height; + unsigned char* pixels = NULL; + io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); + + // At this point you've got the texture data and you need to upload that your your graphic system: + // After we have created the texture, store its pointer/identifier (_in whichever format your engine uses_) in 'io.Fonts->TexID'. + // This will be passed back to your via the renderer. Basically ImTextureID == void*. Read FAQ for details about ImTextureID. + MyTexture* texture = MyEngine::CreateTextureFromMemoryPixels(pixels, width, height, TEXTURE_TYPE_RGBA32) + io.Fonts->TexID = (void*)texture; + + // Application main loop + while (true) + { + // Setup low-level inputs, e.g. on Win32: calling GetKeyboardState(), or write to those fields from your Windows message handlers, etc. + // (In the examples/ app this is usually done within the ImGui_ImplXXX_NewFrame() function from one of the demo Platform bindings) + io.DeltaTime = 1.0f/60.0f; // set the time elapsed since the previous frame (in seconds) + io.DisplaySize.x = 1920.0f; // set the current display width + io.DisplaySize.y = 1280.0f; // set the current display height here + io.MousePos = my_mouse_pos; // set the mouse position + io.MouseDown[0] = my_mouse_buttons[0]; // set the mouse button states + io.MouseDown[1] = my_mouse_buttons[1]; + + // Call NewFrame(), after this point you can use ImGui::* functions anytime + // (So you want to try calling NewFrame() as early as you can in your mainloop to be able to use Dear ImGui everywhere) + ImGui::NewFrame(); + + // Most of your application code here + ImGui::Text("Hello, world!"); + MyGameUpdate(); // may use any Dear ImGui functions, e.g. ImGui::Begin("My window"); ImGui::Text("Hello, world!"); ImGui::End(); + MyGameRender(); // may use any Dear ImGui functions as well! + + // Render dear imgui, swap buffers + // (You want to try calling EndFrame/Render as late as you can, to be able to use Dear ImGui in your own game rendering code) + ImGui::EndFrame(); + ImGui::Render(); + ImDrawData* draw_data = ImGui::GetDrawData(); + MyImGuiRenderFunction(draw_data); + SwapBuffers(); + } + + // Shutdown + ImGui::DestroyContext(); + + HOW A SIMPLE RENDERING FUNCTION MAY LOOK LIKE + --------------------------------------------- + void void MyImGuiRenderFunction(ImDrawData* draw_data) + { + // TODO: Setup render state: alpha-blending enabled, no face culling, no depth testing, scissor enabled + // TODO: Setup viewport covering draw_data->DisplayPos to draw_data->DisplayPos + draw_data->DisplaySize + // TODO: Setup orthographic projection matrix cover draw_data->DisplayPos to draw_data->DisplayPos + draw_data->DisplaySize + // TODO: Setup shader: vertex { float2 pos, float2 uv, u32 color }, fragment shader sample color from 1 texture, multiply by vertex color. + for (int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + const ImDrawVert* vtx_buffer = cmd_list->VtxBuffer.Data; // vertex buffer generated by Dear ImGui + const ImDrawIdx* idx_buffer = cmd_list->IdxBuffer.Data; // index buffer generated by Dear ImGui + for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) + { + const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; + if (pcmd->UserCallback) + { + pcmd->UserCallback(cmd_list, pcmd); + } + else + { + // The texture for the draw call is specified by pcmd->TextureId. + // The vast majority of draw calls will use the Dear ImGui texture atlas, which value you have set yourself during initialization. + MyEngineBindTexture((MyTexture*)pcmd->TextureId); + + // We are using scissoring to clip some objects. All low-level graphics API should supports it. + // - If your engine doesn't support scissoring yet, you may ignore this at first. You will get some small glitches + // (some elements visible outside their bounds) but you can fix that once everything else works! + // - Clipping coordinates are provided in imgui coordinates space (from draw_data->DisplayPos to draw_data->DisplayPos + draw_data->DisplaySize) + // In a single viewport application, draw_data->DisplayPos will always be (0,0) and draw_data->DisplaySize will always be == io.DisplaySize. + // However, in the interest of supporting multi-viewport applications in the future (see 'viewport' branch on github), + // always subtract draw_data->DisplayPos from clipping bounds to convert them to your viewport space. + // - Note that pcmd->ClipRect contains Min+Max bounds. Some graphics API may use Min+Max, other may use Min+Size (size being Max-Min) + ImVec2 pos = draw_data->DisplayPos; + MyEngineScissor((int)(pcmd->ClipRect.x - pos.x), (int)(pcmd->ClipRect.y - pos.y), (int)(pcmd->ClipRect.z - pos.x), (int)(pcmd->ClipRect.w - pos.y)); + + // Render 'pcmd->ElemCount/3' indexed triangles. + // By default the indices ImDrawIdx are 16-bit, you can change them to 32-bit in imconfig.h if your engine doesn't support 16-bit indices. + MyEngineDrawIndexedTriangles(pcmd->ElemCount, sizeof(ImDrawIdx) == 2 ? GL_UNSIGNED_SHORT : GL_UNSIGNED_INT, idx_buffer, vtx_buffer); + } + idx_buffer += pcmd->ElemCount; + } + } + } + + - The examples/ folders contains many actual implementation of the pseudo-codes above. + - When calling NewFrame(), the 'io.WantCaptureMouse', 'io.WantCaptureKeyboard' and 'io.WantTextInput' flags are updated. + They tell you if Dear ImGui intends to use your inputs. When a flag is set you want to hide the corresponding inputs from the + rest of your application. In every cases you need to pass on the inputs to Dear ImGui. + - Refer to the FAQ for more information. Amusingly, it is called a FAQ because people frequently run into the same issues! + + USING GAMEPAD/KEYBOARD NAVIGATION CONTROLS + ------------------------------------------ + - The gamepad/keyboard navigation is fairly functional and keeps being improved. + - Gamepad support is particularly useful to use Dear ImGui on a console system (e.g. PS4, Switch, XB1) without a mouse! + - You can ask questions and report issues at https://github.com/ocornut/imgui/issues/787 + - The initial focus was to support game controllers, but keyboard is becoming increasingly and decently usable. + - Keyboard: + - Set io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard to enable. + NewFrame() will automatically fill io.NavInputs[] based on your io.KeysDown[] + io.KeyMap[] arrays. + - When keyboard navigation is active (io.NavActive + ImGuiConfigFlags_NavEnableKeyboard), the io.WantCaptureKeyboard flag + will be set. For more advanced uses, you may want to read from: + - io.NavActive: true when a window is focused and it doesn't have the ImGuiWindowFlags_NoNavInputs flag set. + - io.NavVisible: true when the navigation cursor is visible (and usually goes false when mouse is used). + - or query focus information with e.g. IsWindowFocused(ImGuiFocusedFlags_AnyWindow), IsItemFocused() etc. functions. + Please reach out if you think the game vs navigation input sharing could be improved. + - Gamepad: + - Set io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad to enable. + - Backend: Set io.BackendFlags |= ImGuiBackendFlags_HasGamepad + fill the io.NavInputs[] fields before calling NewFrame(). + Note that io.NavInputs[] is cleared by EndFrame(). + - See 'enum ImGuiNavInput_' in imgui.h for a description of inputs. For each entry of io.NavInputs[], set the following values: + 0.0f= not held. 1.0f= fully held. Pass intermediate 0.0f..1.0f values for analog triggers/sticks. + - We uses a simple >0.0f test for activation testing, and won't attempt to test for a dead-zone. + Your code will probably need to transform your raw inputs (such as e.g. remapping your 0.2..0.9 raw input range to 0.0..1.0 imgui range, etc.). + - You can download PNG/PSD files depicting the gamepad controls for common controllers at: http://goo.gl/9LgVZW. + - If you need to share inputs between your game and the imgui parts, the easiest approach is to go all-or-nothing, with a buttons combo + to toggle the target. Please reach out if you think the game vs navigation input sharing could be improved. + - Mouse: + - PS4 users: Consider emulating a mouse cursor with DualShock4 touch pad or a spare analog stick as a mouse-emulation fallback. + - Consoles/Tablet/Phone users: Consider using a Synergy 1.x server (on your PC) + uSynergy.c (on your console/tablet/phone app) to share your PC mouse/keyboard. + - On a TV/console system where readability may be lower or mouse inputs may be awkward, you may want to set the ImGuiConfigFlags_NavEnableSetMousePos flag. + Enabling ImGuiConfigFlags_NavEnableSetMousePos + ImGuiBackendFlags_HasSetMousePos instructs dear imgui to move your mouse cursor along with navigation movements. + When enabled, the NewFrame() function may alter 'io.MousePos' and set 'io.WantSetMousePos' to notify you that it wants the mouse cursor to be moved. + When that happens your back-end NEEDS to move the OS or underlying mouse cursor on the next frame. Some of the binding in examples/ do that. + (If you set the NavEnableSetMousePos flag but don't honor 'io.WantSetMousePos' properly, imgui will misbehave as it will see your mouse as moving back and forth!) + (In a setup when you may not have easy control over the mouse cursor, e.g. uSynergy.c doesn't expose moving remote mouse cursor, you may want + to set a boolean to ignore your other external mouse positions until the external source is moved again.) + + + API BREAKING CHANGES + ==================== + + Occasionally introducing changes that are breaking the API. We try to make the breakage minor and easy to fix. + Below is a change-log of API breaking changes only. If you are using one of the functions listed, expect to have to fix some code. + When you are not sure about a old symbol or function name, try using the Search/Find function of your IDE to look for comments or references in all imgui files. + You can read releases logs https://github.com/ocornut/imgui/releases for more details. + + - 2020/01/22 (1.75) - ImDrawList::AddCircle()/AddCircleFilled() functions don't accept negative radius any more. + - 2019/12/17 (1.75) - made Columns() limited to 64 columns by asserting above that limit. While the current code technically supports it, future code may not so we're putting the restriction ahead. + - 2019/12/13 (1.75) - [imgui_internal.h] changed ImRect() default constructor initializes all fields to 0.0f instead of (FLT_MAX,FLT_MAX,-FLT_MAX,-FLT_MAX). If you used ImRect::Add() to create bounding boxes by adding multiple points into it, you may need to fix your initial value. + - 2019/12/08 (1.75) - removed redirecting functions/enums that were marked obsolete in 1.53 (December 2017): + - ShowTestWindow() -> use ShowDemoWindow() + - IsRootWindowFocused() -> use IsWindowFocused(ImGuiFocusedFlags_RootWindow) + - IsRootWindowOrAnyChildFocused() -> use IsWindowFocused(ImGuiFocusedFlags_RootAndChildWindows) + - SetNextWindowContentWidth(w) -> use SetNextWindowContentSize(ImVec2(w, 0.0f) + - GetItemsLineHeightWithSpacing() -> use GetFrameHeightWithSpacing() + - ImGuiCol_ChildWindowBg -> use ImGuiCol_ChildBg + - ImGuiStyleVar_ChildWindowRounding -> use ImGuiStyleVar_ChildRounding + - ImGuiTreeNodeFlags_AllowOverlapMode -> use ImGuiTreeNodeFlags_AllowItemOverlap + - IMGUI_DISABLE_TEST_WINDOWS -> use IMGUI_DISABLE_DEMO_WINDOWS + - 2019/12/08 (1.75) - obsoleted calling ImDrawList::PrimReserve() with a negative count (which was the vaguely documented and rarely if ever used). Instead we added an explicit PrimUnreserve() API. + - 2019/12/06 (1.75) - removed implicit default parameter to IsMouseDragging(int button = 0) to be consistent with other mouse functions (none of the other functions have it). + - 2019/11/21 (1.74) - ImFontAtlas::AddCustomRectRegular() now requires an ID larger than 0x110000 (instead of 0x10000) to conform with supporting Unicode planes 1-16 in a future update. ID below 0x110000 will now assert. + - 2019/11/19 (1.74) - renamed IMGUI_DISABLE_FORMAT_STRING_FUNCTIONS to IMGUI_DISABLE_DEFAULT_FORMAT_FUNCTIONS for consistency. + - 2019/11/19 (1.74) - renamed IMGUI_DISABLE_MATH_FUNCTIONS to IMGUI_DISABLE_DEFAULT_MATH_FUNCTIONS for consistency. + - 2019/10/22 (1.74) - removed redirecting functions/enums that were marked obsolete in 1.52 (October 2017): + - Begin() [old 5 args version] -> use Begin() [3 args], use SetNextWindowSize() SetNextWindowBgAlpha() if needed + - IsRootWindowOrAnyChildHovered() -> use IsWindowHovered(ImGuiHoveredFlags_RootAndChildWindows) + - AlignFirstTextHeightToWidgets() -> use AlignTextToFramePadding() + - SetNextWindowPosCenter() -> use SetNextWindowPos() with a pivot of (0.5f, 0.5f) + - ImFont::Glyph -> use ImFontGlyph + - 2019/10/14 (1.74) - inputs: Fixed a miscalculation in the keyboard/mouse "typematic" repeat delay/rate calculation, used by keys and e.g. repeating mouse buttons as well as the GetKeyPressedAmount() function. + if you were using a non-default value for io.KeyRepeatRate (previous default was 0.250), you can add +io.KeyRepeatDelay to it to compensate for the fix. + The function was triggering on: 0.0 and (delay+rate*N) where (N>=1). Fixed formula responds to (N>=0). Effectively it made io.KeyRepeatRate behave like it was set to (io.KeyRepeatRate + io.KeyRepeatDelay). + If you never altered io.KeyRepeatRate nor used GetKeyPressedAmount() this won't affect you. + - 2019/07/15 (1.72) - removed TreeAdvanceToLabelPos() which is rarely used and only does SetCursorPosX(GetCursorPosX() + GetTreeNodeToLabelSpacing()). Kept redirection function (will obsolete). + - 2019/07/12 (1.72) - renamed ImFontAtlas::CustomRect to ImFontAtlasCustomRect. Kept redirection typedef (will obsolete). + - 2019/06/14 (1.72) - removed redirecting functions/enums names that were marked obsolete in 1.51 (June 2017): ImGuiCol_Column*, ImGuiSetCond_*, IsItemHoveredRect(), IsPosHoveringAnyWindow(), IsMouseHoveringAnyWindow(), IsMouseHoveringWindow(), IMGUI_ONCE_UPON_A_FRAME. Grep this log for details and new names, or see how they were implemented until 1.71. + - 2019/06/07 (1.71) - rendering of child window outer decorations (bg color, border, scrollbars) is now performed as part of the parent window. If you have + overlapping child windows in a same parent, and relied on their relative z-order to be mapped to their submission order, this will affect your rendering. + This optimization is disabled if the parent window has no visual output, because it appears to be the most common situation leading to the creation of overlapping child windows. + Please reach out if you are affected. + - 2019/05/13 (1.71) - renamed SetNextTreeNodeOpen() to SetNextItemOpen(). Kept inline redirection function (will obsolete). + - 2019/05/11 (1.71) - changed io.AddInputCharacter(unsigned short c) signature to io.AddInputCharacter(unsigned int c). + - 2019/04/29 (1.70) - improved ImDrawList thick strokes (>1.0f) preserving correct thickness up to 90 degrees angles (e.g. rectangles). If you have custom rendering using thick lines, they will appear thicker now. + - 2019/04/29 (1.70) - removed GetContentRegionAvailWidth(), use GetContentRegionAvail().x instead. Kept inline redirection function (will obsolete). + - 2019/03/04 (1.69) - renamed GetOverlayDrawList() to GetForegroundDrawList(). Kept redirection function (will obsolete). + - 2019/02/26 (1.69) - renamed ImGuiColorEditFlags_RGB/ImGuiColorEditFlags_HSV/ImGuiColorEditFlags_HEX to ImGuiColorEditFlags_DisplayRGB/ImGuiColorEditFlags_DisplayHSV/ImGuiColorEditFlags_DisplayHex. Kept redirection enums (will obsolete). + - 2019/02/14 (1.68) - made it illegal/assert when io.DisplayTime == 0.0f (with an exception for the first frame). If for some reason your time step calculation gives you a zero value, replace it with a dummy small value! + - 2019/02/01 (1.68) - removed io.DisplayVisibleMin/DisplayVisibleMax (which were marked obsolete and removed from viewport/docking branch already). + - 2019/01/06 (1.67) - renamed io.InputCharacters[], marked internal as was always intended. Please don't access directly, and use AddInputCharacter() instead! + - 2019/01/06 (1.67) - renamed ImFontAtlas::GlyphRangesBuilder to ImFontGlyphRangesBuilder. Kept redirection typedef (will obsolete). + - 2018/12/20 (1.67) - made it illegal to call Begin("") with an empty string. This somehow half-worked before but had various undesirable side-effects. + - 2018/12/10 (1.67) - renamed io.ConfigResizeWindowsFromEdges to io.ConfigWindowsResizeFromEdges as we are doing a large pass on configuration flags. + - 2018/10/12 (1.66) - renamed misc/stl/imgui_stl.* to misc/cpp/imgui_stdlib.* in prevision for other C++ helper files. + - 2018/09/28 (1.66) - renamed SetScrollHere() to SetScrollHereY(). Kept redirection function (will obsolete). + - 2018/09/06 (1.65) - renamed stb_truetype.h to imstb_truetype.h, stb_textedit.h to imstb_textedit.h, and stb_rect_pack.h to imstb_rectpack.h. + If you were conveniently using the imgui copy of those STB headers in your project you will have to update your include paths. + - 2018/09/05 (1.65) - renamed io.OptCursorBlink/io.ConfigCursorBlink to io.ConfigInputTextCursorBlink. (#1427) + - 2018/08/31 (1.64) - added imgui_widgets.cpp file, extracted and moved widgets code out of imgui.cpp into imgui_widgets.cpp. Re-ordered some of the code remaining in imgui.cpp. + NONE OF THE FUNCTIONS HAVE CHANGED. THE CODE IS SEMANTICALLY 100% IDENTICAL, BUT _EVERY_ FUNCTION HAS BEEN MOVED. + Because of this, any local modifications to imgui.cpp will likely conflict when you update. Read docs/CHANGELOG.txt for suggestions. + - 2018/08/22 (1.63) - renamed IsItemDeactivatedAfterChange() to IsItemDeactivatedAfterEdit() for consistency with new IsItemEdited() API. Kept redirection function (will obsolete soonish as IsItemDeactivatedAfterChange() is very recent). + - 2018/08/21 (1.63) - renamed ImGuiTextEditCallback to ImGuiInputTextCallback, ImGuiTextEditCallbackData to ImGuiInputTextCallbackData for consistency. Kept redirection types (will obsolete). + - 2018/08/21 (1.63) - removed ImGuiInputTextCallbackData::ReadOnly since it is a duplication of (ImGuiInputTextCallbackData::Flags & ImGuiInputTextFlags_ReadOnly). + - 2018/08/01 (1.63) - removed per-window ImGuiWindowFlags_ResizeFromAnySide beta flag in favor of a global io.ConfigResizeWindowsFromEdges [update 1.67 renamed to ConfigWindowsResizeFromEdges] to enable the feature. + - 2018/08/01 (1.63) - renamed io.OptCursorBlink to io.ConfigCursorBlink [-> io.ConfigInputTextCursorBlink in 1.65], io.OptMacOSXBehaviors to ConfigMacOSXBehaviors for consistency. + - 2018/07/22 (1.63) - changed ImGui::GetTime() return value from float to double to avoid accumulating floating point imprecisions over time. + - 2018/07/08 (1.63) - style: renamed ImGuiCol_ModalWindowDarkening to ImGuiCol_ModalWindowDimBg for consistency with other features. Kept redirection enum (will obsolete). + - 2018/06/08 (1.62) - examples: the imgui_impl_xxx files have been split to separate platform (Win32, Glfw, SDL2, etc.) from renderer (DX11, OpenGL, Vulkan, etc.). + old bindings will still work as is, however prefer using the separated bindings as they will be updated to support multi-viewports. + when adopting new bindings follow the main.cpp code of your preferred examples/ folder to know which functions to call. + in particular, note that old bindings called ImGui::NewFrame() at the end of their ImGui_ImplXXXX_NewFrame() function. + - 2018/06/06 (1.62) - renamed GetGlyphRangesChinese() to GetGlyphRangesChineseFull() to distinguish other variants and discourage using the full set. + - 2018/06/06 (1.62) - TreeNodeEx()/TreeNodeBehavior(): the ImGuiTreeNodeFlags_CollapsingHeader helper now include the ImGuiTreeNodeFlags_NoTreePushOnOpen flag. See Changelog for details. + - 2018/05/03 (1.61) - DragInt(): the default compile-time format string has been changed from "%.0f" to "%d", as we are not using integers internally any more. + If you used DragInt() with custom format strings, make sure you change them to use %d or an integer-compatible format. + To honor backward-compatibility, the DragInt() code will currently parse and modify format strings to replace %*f with %d, giving time to users to upgrade their code. + If you have IMGUI_DISABLE_OBSOLETE_FUNCTIONS enabled, the code will instead assert! You may run a reg-exp search on your codebase for e.g. "DragInt.*%f" to help you find them. + - 2018/04/28 (1.61) - obsoleted InputFloat() functions taking an optional "int decimal_precision" in favor of an equivalent and more flexible "const char* format", + consistent with other functions. Kept redirection functions (will obsolete). + - 2018/04/09 (1.61) - IM_DELETE() helper function added in 1.60 doesn't clear the input _pointer_ reference, more consistent with expectation and allows passing r-value. + - 2018/03/20 (1.60) - renamed io.WantMoveMouse to io.WantSetMousePos for consistency and ease of understanding (was added in 1.52, _not_ used by core and only honored by some binding ahead of merging the Nav branch). + - 2018/03/12 (1.60) - removed ImGuiCol_CloseButton, ImGuiCol_CloseButtonActive, ImGuiCol_CloseButtonHovered as the closing cross uses regular button colors now. + - 2018/03/08 (1.60) - changed ImFont::DisplayOffset.y to default to 0 instead of +1. Fixed rounding of Ascent/Descent to match TrueType renderer. If you were adding or subtracting to ImFont::DisplayOffset check if your fonts are correctly aligned vertically. + - 2018/03/03 (1.60) - renamed ImGuiStyleVar_Count_ to ImGuiStyleVar_COUNT and ImGuiMouseCursor_Count_ to ImGuiMouseCursor_COUNT for consistency with other public enums. + - 2018/02/18 (1.60) - BeginDragDropSource(): temporarily removed the optional mouse_button=0 parameter because it is not really usable in many situations at the moment. + - 2018/02/16 (1.60) - obsoleted the io.RenderDrawListsFn callback, you can call your graphics engine render function after ImGui::Render(). Use ImGui::GetDrawData() to retrieve the ImDrawData* to display. + - 2018/02/07 (1.60) - reorganized context handling to be more explicit, + - YOU NOW NEED TO CALL ImGui::CreateContext() AT THE BEGINNING OF YOUR APP, AND CALL ImGui::DestroyContext() AT THE END. + - removed Shutdown() function, as DestroyContext() serve this purpose. + - you may pass a ImFontAtlas* pointer to CreateContext() to share a font atlas between contexts. Otherwise CreateContext() will create its own font atlas instance. + - removed allocator parameters from CreateContext(), they are now setup with SetAllocatorFunctions(), and shared by all contexts. + - removed the default global context and font atlas instance, which were confusing for users of DLL reloading and users of multiple contexts. + - 2018/01/31 (1.60) - moved sample TTF files from extra_fonts/ to misc/fonts/. If you loaded files directly from the imgui repo you may need to update your paths. + - 2018/01/11 (1.60) - obsoleted IsAnyWindowHovered() in favor of IsWindowHovered(ImGuiHoveredFlags_AnyWindow). Kept redirection function (will obsolete). + - 2018/01/11 (1.60) - obsoleted IsAnyWindowFocused() in favor of IsWindowFocused(ImGuiFocusedFlags_AnyWindow). Kept redirection function (will obsolete). + - 2018/01/03 (1.60) - renamed ImGuiSizeConstraintCallback to ImGuiSizeCallback, ImGuiSizeConstraintCallbackData to ImGuiSizeCallbackData. + - 2017/12/29 (1.60) - removed CalcItemRectClosestPoint() which was weird and not really used by anyone except demo code. If you need it it's easy to replicate on your side. + - 2017/12/24 (1.53) - renamed the emblematic ShowTestWindow() function to ShowDemoWindow(). Kept redirection function (will obsolete). + - 2017/12/21 (1.53) - ImDrawList: renamed style.AntiAliasedShapes to style.AntiAliasedFill for consistency and as a way to explicitly break code that manipulate those flag at runtime. You can now manipulate ImDrawList::Flags + - 2017/12/21 (1.53) - ImDrawList: removed 'bool anti_aliased = true' final parameter of ImDrawList::AddPolyline() and ImDrawList::AddConvexPolyFilled(). Prefer manipulating ImDrawList::Flags if you need to toggle them during the frame. + - 2017/12/14 (1.53) - using the ImGuiWindowFlags_NoScrollWithMouse flag on a child window forwards the mouse wheel event to the parent window, unless either ImGuiWindowFlags_NoInputs or ImGuiWindowFlags_NoScrollbar are also set. + - 2017/12/13 (1.53) - renamed GetItemsLineHeightWithSpacing() to GetFrameHeightWithSpacing(). Kept redirection function (will obsolete). + - 2017/12/13 (1.53) - obsoleted IsRootWindowFocused() in favor of using IsWindowFocused(ImGuiFocusedFlags_RootWindow). Kept redirection function (will obsolete). + - obsoleted IsRootWindowOrAnyChildFocused() in favor of using IsWindowFocused(ImGuiFocusedFlags_RootAndChildWindows). Kept redirection function (will obsolete). + - 2017/12/12 (1.53) - renamed ImGuiTreeNodeFlags_AllowOverlapMode to ImGuiTreeNodeFlags_AllowItemOverlap. Kept redirection enum (will obsolete). + - 2017/12/10 (1.53) - removed SetNextWindowContentWidth(), prefer using SetNextWindowContentSize(). Kept redirection function (will obsolete). + - 2017/11/27 (1.53) - renamed ImGuiTextBuffer::append() helper to appendf(), appendv() to appendfv(). If you copied the 'Log' demo in your code, it uses appendv() so that needs to be renamed. + - 2017/11/18 (1.53) - Style, Begin: removed ImGuiWindowFlags_ShowBorders window flag. Borders are now fully set up in the ImGuiStyle structure (see e.g. style.FrameBorderSize, style.WindowBorderSize). Use ImGui::ShowStyleEditor() to look them up. + Please note that the style system will keep evolving (hopefully stabilizing in Q1 2018), and so custom styles will probably subtly break over time. It is recommended you use the StyleColorsClassic(), StyleColorsDark(), StyleColorsLight() functions. + - 2017/11/18 (1.53) - Style: removed ImGuiCol_ComboBg in favor of combo boxes using ImGuiCol_PopupBg for consistency. + - 2017/11/18 (1.53) - Style: renamed ImGuiCol_ChildWindowBg to ImGuiCol_ChildBg. + - 2017/11/18 (1.53) - Style: renamed style.ChildWindowRounding to style.ChildRounding, ImGuiStyleVar_ChildWindowRounding to ImGuiStyleVar_ChildRounding. + - 2017/11/02 (1.53) - obsoleted IsRootWindowOrAnyChildHovered() in favor of using IsWindowHovered(ImGuiHoveredFlags_RootAndChildWindows); + - 2017/10/24 (1.52) - renamed IMGUI_DISABLE_WIN32_DEFAULT_CLIPBOARD_FUNCS/IMGUI_DISABLE_WIN32_DEFAULT_IME_FUNCS to IMGUI_DISABLE_WIN32_DEFAULT_CLIPBOARD_FUNCTIONS/IMGUI_DISABLE_WIN32_DEFAULT_IME_FUNCTIONS for consistency. + - 2017/10/20 (1.52) - changed IsWindowHovered() default parameters behavior to return false if an item is active in another window (e.g. click-dragging item from another window to this window). You can use the newly introduced IsWindowHovered() flags to requests this specific behavior if you need it. + - 2017/10/20 (1.52) - marked IsItemHoveredRect()/IsMouseHoveringWindow() as obsolete, in favor of using the newly introduced flags for IsItemHovered() and IsWindowHovered(). See https://github.com/ocornut/imgui/issues/1382 for details. + removed the IsItemRectHovered()/IsWindowRectHovered() names introduced in 1.51 since they were merely more consistent names for the two functions we are now obsoleting. + IsItemHoveredRect() --> IsItemHovered(ImGuiHoveredFlags_RectOnly) + IsMouseHoveringAnyWindow() --> IsWindowHovered(ImGuiHoveredFlags_AnyWindow) + IsMouseHoveringWindow() --> IsWindowHovered(ImGuiHoveredFlags_AllowWhenBlockedByPopup | ImGuiHoveredFlags_AllowWhenBlockedByActiveItem) [weird, old behavior] + - 2017/10/17 (1.52) - marked the old 5-parameters version of Begin() as obsolete (still available). Use SetNextWindowSize()+Begin() instead! + - 2017/10/11 (1.52) - renamed AlignFirstTextHeightToWidgets() to AlignTextToFramePadding(). Kept inline redirection function (will obsolete). + - 2017/09/26 (1.52) - renamed ImFont::Glyph to ImFontGlyph. Kept redirection typedef (will obsolete). + - 2017/09/25 (1.52) - removed SetNextWindowPosCenter() because SetNextWindowPos() now has the optional pivot information to do the same and more. Kept redirection function (will obsolete). + - 2017/08/25 (1.52) - io.MousePos needs to be set to ImVec2(-FLT_MAX,-FLT_MAX) when mouse is unavailable/missing. Previously ImVec2(-1,-1) was enough but we now accept negative mouse coordinates. In your binding if you need to support unavailable mouse, make sure to replace "io.MousePos = ImVec2(-1,-1)" with "io.MousePos = ImVec2(-FLT_MAX,-FLT_MAX)". + - 2017/08/22 (1.51) - renamed IsItemHoveredRect() to IsItemRectHovered(). Kept inline redirection function (will obsolete). -> (1.52) use IsItemHovered(ImGuiHoveredFlags_RectOnly)! + - renamed IsMouseHoveringAnyWindow() to IsAnyWindowHovered() for consistency. Kept inline redirection function (will obsolete). + - renamed IsMouseHoveringWindow() to IsWindowRectHovered() for consistency. Kept inline redirection function (will obsolete). + - 2017/08/20 (1.51) - renamed GetStyleColName() to GetStyleColorName() for consistency. + - 2017/08/20 (1.51) - added PushStyleColor(ImGuiCol idx, ImU32 col) overload, which _might_ cause an "ambiguous call" compilation error if you are using ImColor() with implicit cast. Cast to ImU32 or ImVec4 explicily to fix. + - 2017/08/15 (1.51) - marked the weird IMGUI_ONCE_UPON_A_FRAME helper macro as obsolete. prefer using the more explicit ImGuiOnceUponAFrame type. + - 2017/08/15 (1.51) - changed parameter order for BeginPopupContextWindow() from (const char*,int buttons,bool also_over_items) to (const char*,int buttons,bool also_over_items). Note that most calls relied on default parameters completely. + - 2017/08/13 (1.51) - renamed ImGuiCol_Column to ImGuiCol_Separator, ImGuiCol_ColumnHovered to ImGuiCol_SeparatorHovered, ImGuiCol_ColumnActive to ImGuiCol_SeparatorActive. Kept redirection enums (will obsolete). + - 2017/08/11 (1.51) - renamed ImGuiSetCond_Always to ImGuiCond_Always, ImGuiSetCond_Once to ImGuiCond_Once, ImGuiSetCond_FirstUseEver to ImGuiCond_FirstUseEver, ImGuiSetCond_Appearing to ImGuiCond_Appearing. Kept redirection enums (will obsolete). + - 2017/08/09 (1.51) - removed ValueColor() helpers, they are equivalent to calling Text(label) + SameLine() + ColorButton(). + - 2017/08/08 (1.51) - removed ColorEditMode() and ImGuiColorEditMode in favor of ImGuiColorEditFlags and parameters to the various Color*() functions. The SetColorEditOptions() allows to initialize default but the user can still change them with right-click context menu. + - changed prototype of 'ColorEdit4(const char* label, float col[4], bool show_alpha = true)' to 'ColorEdit4(const char* label, float col[4], ImGuiColorEditFlags flags = 0)', where passing flags = 0x01 is a safe no-op (hello dodgy backward compatibility!). - check and run the demo window, under "Color/Picker Widgets", to understand the various new options. + - changed prototype of rarely used 'ColorButton(ImVec4 col, bool small_height = false, bool outline_border = true)' to 'ColorButton(const char* desc_id, ImVec4 col, ImGuiColorEditFlags flags = 0, ImVec2 size = ImVec2(0,0))' + - 2017/07/20 (1.51) - removed IsPosHoveringAnyWindow(ImVec2), which was partly broken and misleading. ASSERT + redirect user to io.WantCaptureMouse + - 2017/05/26 (1.50) - removed ImFontConfig::MergeGlyphCenterV in favor of a more multipurpose ImFontConfig::GlyphOffset. + - 2017/05/01 (1.50) - renamed ImDrawList::PathFill() (rarely used directly) to ImDrawList::PathFillConvex() for clarity. + - 2016/11/06 (1.50) - BeginChild(const char*) now applies the stack id to the provided label, consistently with other functions as it should always have been. It shouldn't affect you unless (extremely unlikely) you were appending multiple times to a same child from different locations of the stack id. If that's the case, generate an id with GetId() and use it instead of passing string to BeginChild(). + - 2016/10/15 (1.50) - avoid 'void* user_data' parameter to io.SetClipboardTextFn/io.GetClipboardTextFn pointers. We pass io.ClipboardUserData to it. + - 2016/09/25 (1.50) - style.WindowTitleAlign is now a ImVec2 (ImGuiAlign enum was removed). set to (0.5f,0.5f) for horizontal+vertical centering, (0.0f,0.0f) for upper-left, etc. + - 2016/07/30 (1.50) - SameLine(x) with x>0.0f is now relative to left of column/group if any, and not always to left of window. This was sort of always the intent and hopefully breakage should be minimal. + - 2016/05/12 (1.49) - title bar (using ImGuiCol_TitleBg/ImGuiCol_TitleBgActive colors) isn't rendered over a window background (ImGuiCol_WindowBg color) anymore. + If your TitleBg/TitleBgActive alpha was 1.0f or you are using the default theme it will not affect you, otherwise if <1.0f you need tweak your custom theme to readjust for the fact that we don't draw a WindowBg background behind the title bar. + This helper function will convert an old TitleBg/TitleBgActive color into a new one with the same visual output, given the OLD color and the OLD WindowBg color: + ImVec4 ConvertTitleBgCol(const ImVec4& win_bg_col, const ImVec4& title_bg_col) { float new_a = 1.0f - ((1.0f - win_bg_col.w) * (1.0f - title_bg_col.w)), k = title_bg_col.w / new_a; return ImVec4((win_bg_col.x * win_bg_col.w + title_bg_col.x) * k, (win_bg_col.y * win_bg_col.w + title_bg_col.y) * k, (win_bg_col.z * win_bg_col.w + title_bg_col.z) * k, new_a); } + If this is confusing, pick the RGB value from title bar from an old screenshot and apply this as TitleBg/TitleBgActive. Or you may just create TitleBgActive from a tweaked TitleBg color. + - 2016/05/07 (1.49) - removed confusing set of GetInternalState(), GetInternalStateSize(), SetInternalState() functions. Now using CreateContext(), DestroyContext(), GetCurrentContext(), SetCurrentContext(). + - 2016/05/02 (1.49) - renamed SetNextTreeNodeOpened() to SetNextTreeNodeOpen(), no redirection. + - 2016/05/01 (1.49) - obsoleted old signature of CollapsingHeader(const char* label, const char* str_id = NULL, bool display_frame = true, bool default_open = false) as extra parameters were badly designed and rarely used. You can replace the "default_open = true" flag in new API with CollapsingHeader(label, ImGuiTreeNodeFlags_DefaultOpen). + - 2016/04/26 (1.49) - changed ImDrawList::PushClipRect(ImVec4 rect) to ImDrawList::PushClipRect(Imvec2 min,ImVec2 max,bool intersect_with_current_clip_rect=false). Note that higher-level ImGui::PushClipRect() is preferable because it will clip at logic/widget level, whereas ImDrawList::PushClipRect() only affect your renderer. + - 2016/04/03 (1.48) - removed style.WindowFillAlphaDefault setting which was redundant. Bake default BG alpha inside style.Colors[ImGuiCol_WindowBg] and all other Bg color values. (ref github issue #337). + - 2016/04/03 (1.48) - renamed ImGuiCol_TooltipBg to ImGuiCol_PopupBg, used by popups/menus and tooltips. popups/menus were previously using ImGuiCol_WindowBg. (ref github issue #337) + - 2016/03/21 (1.48) - renamed GetWindowFont() to GetFont(), GetWindowFontSize() to GetFontSize(). Kept inline redirection function (will obsolete). + - 2016/03/02 (1.48) - InputText() completion/history/always callbacks: if you modify the text buffer manually (without using DeleteChars()/InsertChars() helper) you need to maintain the BufTextLen field. added an assert. + - 2016/01/23 (1.48) - fixed not honoring exact width passed to PushItemWidth(), previously it would add extra FramePadding.x*2 over that width. if you had manual pixel-perfect alignment in place it might affect you. + - 2015/12/27 (1.48) - fixed ImDrawList::AddRect() which used to render a rectangle 1 px too large on each axis. + - 2015/12/04 (1.47) - renamed Color() helpers to ValueColor() - dangerously named, rarely used and probably to be made obsolete. + - 2015/08/29 (1.45) - with the addition of horizontal scrollbar we made various fixes to inconsistencies with dealing with cursor position. + GetCursorPos()/SetCursorPos() functions now include the scrolled amount. It shouldn't affect the majority of users, but take note that SetCursorPosX(100.0f) puts you at +100 from the starting x position which may include scrolling, not at +100 from the window left side. + GetContentRegionMax()/GetWindowContentRegionMin()/GetWindowContentRegionMax() functions allow include the scrolled amount. Typically those were used in cases where no scrolling would happen so it may not be a problem, but watch out! + - 2015/08/29 (1.45) - renamed style.ScrollbarWidth to style.ScrollbarSize + - 2015/08/05 (1.44) - split imgui.cpp into extra files: imgui_demo.cpp imgui_draw.cpp imgui_internal.h that you need to add to your project. + - 2015/07/18 (1.44) - fixed angles in ImDrawList::PathArcTo(), PathArcToFast() (introduced in 1.43) being off by an extra PI for no justifiable reason + - 2015/07/14 (1.43) - add new ImFontAtlas::AddFont() API. For the old AddFont***, moved the 'font_no' parameter of ImFontAtlas::AddFont** functions to the ImFontConfig structure. + you need to render your textured triangles with bilinear filtering to benefit from sub-pixel positioning of text. + - 2015/07/08 (1.43) - switched rendering data to use indexed rendering. this is saving a fair amount of CPU/GPU and enables us to get anti-aliasing for a marginal cost. + this necessary change will break your rendering function! the fix should be very easy. sorry for that :( + - if you are using a vanilla copy of one of the imgui_impl_XXXX.cpp provided in the example, you just need to update your copy and you can ignore the rest. + - the signature of the io.RenderDrawListsFn handler has changed! + old: ImGui_XXXX_RenderDrawLists(ImDrawList** const cmd_lists, int cmd_lists_count) + new: ImGui_XXXX_RenderDrawLists(ImDrawData* draw_data). + parameters: 'cmd_lists' becomes 'draw_data->CmdLists', 'cmd_lists_count' becomes 'draw_data->CmdListsCount' + ImDrawList: 'commands' becomes 'CmdBuffer', 'vtx_buffer' becomes 'VtxBuffer', 'IdxBuffer' is new. + ImDrawCmd: 'vtx_count' becomes 'ElemCount', 'clip_rect' becomes 'ClipRect', 'user_callback' becomes 'UserCallback', 'texture_id' becomes 'TextureId'. + - each ImDrawList now contains both a vertex buffer and an index buffer. For each command, render ElemCount/3 triangles using indices from the index buffer. + - if you REALLY cannot render indexed primitives, you can call the draw_data->DeIndexAllBuffers() method to de-index the buffers. This is slow and a waste of CPU/GPU. Prefer using indexed rendering! + - refer to code in the examples/ folder or ask on the GitHub if you are unsure of how to upgrade. please upgrade! + - 2015/07/10 (1.43) - changed SameLine() parameters from int to float. + - 2015/07/02 (1.42) - renamed SetScrollPosHere() to SetScrollFromCursorPos(). Kept inline redirection function (will obsolete). + - 2015/07/02 (1.42) - renamed GetScrollPosY() to GetScrollY(). Necessary to reduce confusion along with other scrolling functions, because positions (e.g. cursor position) are not equivalent to scrolling amount. + - 2015/06/14 (1.41) - changed ImageButton() default bg_col parameter from (0,0,0,1) (black) to (0,0,0,0) (transparent) - makes a difference when texture have transparence + - 2015/06/14 (1.41) - changed Selectable() API from (label, selected, size) to (label, selected, flags, size). Size override should have been rarely be used. Sorry! + - 2015/05/31 (1.40) - renamed GetWindowCollapsed() to IsWindowCollapsed() for consistency. Kept inline redirection function (will obsolete). + - 2015/05/31 (1.40) - renamed IsRectClipped() to IsRectVisible() for consistency. Note that return value is opposite! Kept inline redirection function (will obsolete). + - 2015/05/27 (1.40) - removed the third 'repeat_if_held' parameter from Button() - sorry! it was rarely used and inconsistent. Use PushButtonRepeat(true) / PopButtonRepeat() to enable repeat on desired buttons. + - 2015/05/11 (1.40) - changed BeginPopup() API, takes a string identifier instead of a bool. ImGui needs to manage the open/closed state of popups. Call OpenPopup() to actually set the "open" state of a popup. BeginPopup() returns true if the popup is opened. + - 2015/05/03 (1.40) - removed style.AutoFitPadding, using style.WindowPadding makes more sense (the default values were already the same). + - 2015/04/13 (1.38) - renamed IsClipped() to IsRectClipped(). Kept inline redirection function until 1.50. + - 2015/04/09 (1.38) - renamed ImDrawList::AddArc() to ImDrawList::AddArcFast() for compatibility with future API + - 2015/04/03 (1.38) - removed ImGuiCol_CheckHovered, ImGuiCol_CheckActive, replaced with the more general ImGuiCol_FrameBgHovered, ImGuiCol_FrameBgActive. + - 2014/04/03 (1.38) - removed support for passing -FLT_MAX..+FLT_MAX as the range for a SliderFloat(). Use DragFloat() or Inputfloat() instead. + - 2015/03/17 (1.36) - renamed GetItemBoxMin()/GetItemBoxMax()/IsMouseHoveringBox() to GetItemRectMin()/GetItemRectMax()/IsMouseHoveringRect(). Kept inline redirection function until 1.50. + - 2015/03/15 (1.36) - renamed style.TreeNodeSpacing to style.IndentSpacing, ImGuiStyleVar_TreeNodeSpacing to ImGuiStyleVar_IndentSpacing + - 2015/03/13 (1.36) - renamed GetWindowIsFocused() to IsWindowFocused(). Kept inline redirection function until 1.50. + - 2015/03/08 (1.35) - renamed style.ScrollBarWidth to style.ScrollbarWidth (casing) + - 2015/02/27 (1.34) - renamed OpenNextNode(bool) to SetNextTreeNodeOpened(bool, ImGuiSetCond). Kept inline redirection function until 1.50. + - 2015/02/27 (1.34) - renamed ImGuiSetCondition_*** to ImGuiSetCond_***, and _FirstUseThisSession becomes _Once. + - 2015/02/11 (1.32) - changed text input callback ImGuiTextEditCallback return type from void-->int. reserved for future use, return 0 for now. + - 2015/02/10 (1.32) - renamed GetItemWidth() to CalcItemWidth() to clarify its evolving behavior + - 2015/02/08 (1.31) - renamed GetTextLineSpacing() to GetTextLineHeightWithSpacing() + - 2015/02/01 (1.31) - removed IO.MemReallocFn (unused) + - 2015/01/19 (1.30) - renamed ImGuiStorage::GetIntPtr()/GetFloatPtr() to GetIntRef()/GetIntRef() because Ptr was conflicting with actual pointer storage functions. + - 2015/01/11 (1.30) - big font/image API change! now loads TTF file. allow for multiple fonts. no need for a PNG loader. + - 2015/01/11 (1.30) - removed GetDefaultFontData(). uses io.Fonts->GetTextureData*() API to retrieve uncompressed pixels. + - old: const void* png_data; unsigned int png_size; ImGui::GetDefaultFontData(NULL, NULL, &png_data, &png_size); [..Upload texture to GPU..]; + - new: unsigned char* pixels; int width, height; io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); [..Upload texture to GPU..]; io.Fonts->TexId = YourTexIdentifier; + you now have more flexibility to load multiple TTF fonts and manage the texture buffer for internal needs. It is now recommended that you sample the font texture with bilinear interpolation. + - 2015/01/11 (1.30) - added texture identifier in ImDrawCmd passed to your render function (we can now render images). make sure to set io.Fonts->TexID. + - 2015/01/11 (1.30) - removed IO.PixelCenterOffset (unnecessary, can be handled in user projection matrix) + - 2015/01/11 (1.30) - removed ImGui::IsItemFocused() in favor of ImGui::IsItemActive() which handles all widgets + - 2014/12/10 (1.18) - removed SetNewWindowDefaultPos() in favor of new generic API SetNextWindowPos(pos, ImGuiSetCondition_FirstUseEver) + - 2014/11/28 (1.17) - moved IO.Font*** options to inside the IO.Font-> structure (FontYOffset, FontTexUvForWhite, FontBaseScale, FontFallbackGlyph) + - 2014/11/26 (1.17) - reworked syntax of IMGUI_ONCE_UPON_A_FRAME helper macro to increase compiler compatibility + - 2014/11/07 (1.15) - renamed IsHovered() to IsItemHovered() + - 2014/10/02 (1.14) - renamed IMGUI_INCLUDE_IMGUI_USER_CPP to IMGUI_INCLUDE_IMGUI_USER_INL and imgui_user.cpp to imgui_user.inl (more IDE friendly) + - 2014/09/25 (1.13) - removed 'text_end' parameter from IO.SetClipboardTextFn (the string is now always zero-terminated for simplicity) + - 2014/09/24 (1.12) - renamed SetFontScale() to SetWindowFontScale() + - 2014/09/24 (1.12) - moved IM_MALLOC/IM_REALLOC/IM_FREE preprocessor defines to IO.MemAllocFn/IO.MemReallocFn/IO.MemFreeFn + - 2014/08/30 (1.09) - removed IO.FontHeight (now computed automatically) + - 2014/08/30 (1.09) - moved IMGUI_FONT_TEX_UV_FOR_WHITE preprocessor define to IO.FontTexUvForWhite + - 2014/08/28 (1.09) - changed the behavior of IO.PixelCenterOffset following various rendering fixes + + + FREQUENTLY ASKED QUESTIONS (FAQ) + ================================ + + Read all answers online: https://www.dearimgui.org/faq, or in docs/FAQ.md (with a Markdown viewer) + Some answers are copied down here to facilitate searching in code. + + Q&A: Basics + =========== + + Q: Where is the documentation? + A: This library is poorly documented at the moment and expects of the user to be acquainted with C/C++. + - Run the examples/ and explore them. + - See demo code in imgui_demo.cpp and particularly the ImGui::ShowDemoWindow() function. + - The demo covers most features of Dear ImGui, so you can read the code and see its output. + - See documentation and comments at the top of imgui.cpp + effectively imgui.h. + - Dozens of standalone example applications using e.g. OpenGL/DirectX are provided in the + examples/ folder to explain how to integrate Dear ImGui with your own engine/application. + - The Wiki (https://github.com/ocornut/imgui/wiki) has many resources and links. + - The Glossary (https://github.com/ocornut/imgui/wiki/Glossary) page also may be useful. + - Your programming IDE is your friend, find the type or function declaration to find comments + associated to it. + + Q: What is this library called? + Q: Which version should I get? + >> This library is called "Dear ImGui", please don't call it "ImGui" :) + >> See https://www.dearimgui.org/faq + + Q&A: Integration + ================ + + Q: How can I tell whether to dispatch mouse/keyboard to Dear ImGui or to my application? + A: You should read the 'io.WantCaptureMouse', 'io.WantCaptureKeyboard' and 'io.WantTextInput' flags! + >> See https://www.dearimgui.org/faq for fully detailed answer. You really want to read this. + + Q. How can I enable keyboard controls? + Q: How can I use this without a mouse, without a keyboard or without a screen? (gamepad, input share, remote display) + Q: I integrated Dear ImGui in my engine and the text or lines are blurry.. + Q: I integrated Dear ImGui in my engine and some elements are clipping or disappearing when I move windows around.. + >> See https://www.dearimgui.org/faq + + Q&A: Usage + ---------- + + Q: Why are multiple widgets reacting when I interact with a single one? + Q: How can I have multiple widgets with the same label or with an empty label? + A: A primer on labels and the ID Stack... + + Dear ImGui internally need to uniquely identify UI elements. + Elements that are typically not clickable (such as calls to the Text functions) don't need an ID. + Interactive widgets (such as calls to Button buttons) need a unique ID. + Unique ID are used internally to track active widgets and occasionally associate state to widgets. + Unique ID are implicitly built from the hash of multiple elements that identify the "path" to the UI element. + + - Unique ID are often derived from a string label: + + Button("OK"); // Label = "OK", ID = hash of (..., "OK") + Button("Cancel"); // Label = "Cancel", ID = hash of (..., "Cancel") + + - ID are uniquely scoped within windows, tree nodes, etc. which all pushes to the ID stack. Having + two buttons labeled "OK" in different windows or different tree locations is fine. + We used "..." above to signify whatever was already pushed to the ID stack previously: + + Begin("MyWindow"); + Button("OK"); // Label = "OK", ID = hash of ("MyWindow", "OK") + End(); + Begin("MyOtherWindow"); + Button("OK"); // Label = "OK", ID = hash of ("MyOtherWindow", "OK") + End(); + + - If you have a same ID twice in the same location, you'll have a conflict: + + Button("OK"); + Button("OK"); // ID collision! Interacting with either button will trigger the first one. + + Fear not! this is easy to solve and there are many ways to solve it! + + - Solving ID conflict in a simple/local context: + When passing a label you can optionally specify extra ID information within string itself. + Use "##" to pass a complement to the ID that won't be visible to the end-user. + This helps solving the simple collision cases when you know e.g. at compilation time which items + are going to be created: + + Begin("MyWindow"); + Button("Play"); // Label = "Play", ID = hash of ("MyWindow", "Play") + Button("Play##foo1"); // Label = "Play", ID = hash of ("MyWindow", "Play##foo1") // Different from above + Button("Play##foo2"); // Label = "Play", ID = hash of ("MyWindow", "Play##foo2") // Different from above + End(); + + - If you want to completely hide the label, but still need an ID: + + Checkbox("##On", &b); // Label = "", ID = hash of (..., "##On") // No visible label, just a checkbox! + + - Occasionally/rarely you might want change a label while preserving a constant ID. This allows + you to animate labels. For example you may want to include varying information in a window title bar, + but windows are uniquely identified by their ID. Use "###" to pass a label that isn't part of ID: + + Button("Hello###ID"); // Label = "Hello", ID = hash of (..., "###ID") + Button("World###ID"); // Label = "World", ID = hash of (..., "###ID") // Same as above, even though the label looks different + + sprintf(buf, "My game (%f FPS)###MyGame", fps); + Begin(buf); // Variable title, ID = hash of "MyGame" + + - Solving ID conflict in a more general manner: + Use PushID() / PopID() to create scopes and manipulate the ID stack, as to avoid ID conflicts + within the same window. This is the most convenient way of distinguishing ID when iterating and + creating many UI elements programmatically. + You can push a pointer, a string or an integer value into the ID stack. + Remember that ID are formed from the concatenation of _everything_ pushed into the ID stack. + At each level of the stack we store the seed used for items at this level of the ID stack. + + Begin("Window"); + for (int i = 0; i < 100; i++) + { + PushID(i); // Push i to the id tack + Button("Click"); // Label = "Click", ID = hash of ("Window", i, "Click") + PopID(); + } + for (int i = 0; i < 100; i++) + { + MyObject* obj = Objects[i]; + PushID(obj); + Button("Click"); // Label = "Click", ID = hash of ("Window", obj pointer, "Click") + PopID(); + } + for (int i = 0; i < 100; i++) + { + MyObject* obj = Objects[i]; + PushID(obj->Name); + Button("Click"); // Label = "Click", ID = hash of ("Window", obj->Name, "Click") + PopID(); + } + End(); + + - You can stack multiple prefixes into the ID stack: + + Button("Click"); // Label = "Click", ID = hash of (..., "Click") + PushID("node"); + Button("Click"); // Label = "Click", ID = hash of (..., "node", "Click") + PushID(my_ptr); + Button("Click"); // Label = "Click", ID = hash of (..., "node", my_ptr, "Click") + PopID(); + PopID(); + + - Tree nodes implicitly creates a scope for you by calling PushID(). + + Button("Click"); // Label = "Click", ID = hash of (..., "Click") + if (TreeNode("node")) // <-- this function call will do a PushID() for you (unless instructed not to, with a special flag) + { + Button("Click"); // Label = "Click", ID = hash of (..., "node", "Click") + TreePop(); + } + + - When working with trees, ID are used to preserve the open/close state of each tree node. + Depending on your use cases you may want to use strings, indices or pointers as ID. + e.g. when following a single pointer that may change over time, using a static string as ID + will preserve your node open/closed state when the targeted object change. + e.g. when displaying a list of objects, using indices or pointers as ID will preserve the + node open/closed state differently. See what makes more sense in your situation! + + Q: How can I display an image? What is ImTextureID, how does it works? + >> See https://www.dearimgui.org/faq and https://github.com/ocornut/imgui/wiki/Image-Loading-and-Displaying-Examples + + Q: How can I use my own math types instead of ImVec2/ImVec4? + Q: How can I interact with standard C++ types (such as std::string and std::vector)? + Q: How can I display custom shapes? (using low-level ImDrawList API) + >> See https://www.dearimgui.org/faq + + Q&A: Fonts, Text + ================ + + Q: How can I load a different font than the default? + Q: How can I easily use icons in my application? + Q: How can I load multiple fonts? + Q: How can I display and input non-Latin characters such as Chinese, Japanese, Korean, Cyrillic? + >> See https://www.dearimgui.org/faq and docs/FONTS.txt + + Q&A: Concerns + ============= + + Q: Who uses Dear ImGui? + Q: Can you create elaborate/serious tools with Dear ImGui? + Q: Can you reskin the look of Dear ImGui? + Q: Why using C++ (as opposed to C)? + >> See https://www.dearimgui.org/faq + + Q&A: Community + ============== + + Q: How can I help? + A: - Businesses: please reach out to "contact AT dearimgui.org" if you work in a place using Dear ImGui! + We can discuss ways for your company to fund development via invoiced technical support, maintenance or sponsoring contacts. + This is among the most useful thing you can do for Dear ImGui. With increased funding we can hire more people working on this project. + - Individuals: you can support continued development via PayPal donations. See README. + - If you are experienced with Dear ImGui and C++, look at the github issues, look at the Wiki, read docs/TODO.txt + and see how you want to help and can help! + - Disclose your usage of Dear ImGui via a dev blog post, a tweet, a screenshot, a mention somewhere etc. + You may post screenshot or links in the gallery threads (github.com/ocornut/imgui/issues/2847). Visuals are ideal as they inspire other programmers. + But even without visuals, disclosing your use of dear imgui help the library grow credibility, and help other teams and programmers with taking decisions. + - If you have issues or if you need to hack into the library, even if you don't expect any support it is useful that you share your issues (on github or privately). + +*/ + +//------------------------------------------------------------------------- +// [SECTION] INCLUDES +//------------------------------------------------------------------------- + +#if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS) +#define _CRT_SECURE_NO_WARNINGS +#endif + +#include "imgui.h" +#ifndef IMGUI_DISABLE + +#ifndef IMGUI_DEFINE_MATH_OPERATORS +#define IMGUI_DEFINE_MATH_OPERATORS +#endif +#include "imgui_internal.h" + +// System includes +#include // toupper +#include // vsnprintf, sscanf, printf +#if defined(_MSC_VER) && _MSC_VER <= 1500 // MSVC 2008 or earlier +#include // intptr_t +#else +#include // intptr_t +#endif + +// [Windows] OS specific includes (optional) +#if defined(_WIN32) && defined(IMGUI_DISABLE_DEFAULT_FILE_FUNCTIONS) && defined(IMGUI_DISABLE_WIN32_DEFAULT_CLIPBOARD_FUNCTIONS) && defined(IMGUI_DISABLE_WIN32_DEFAULT_IME_FUNCTIONS) && !defined(IMGUI_DISABLE_WIN32_FUNCTIONS) +#define IMGUI_DISABLE_WIN32_FUNCTIONS +#endif +#if defined(_WIN32) && !defined(IMGUI_DISABLE_WIN32_FUNCTIONS) +#ifndef WIN32_LEAN_AND_MEAN +#define WIN32_LEAN_AND_MEAN +#endif +#ifndef NOMINMAX +#define NOMINMAX +#endif +#ifndef __MINGW32__ +#include // _wfopen, OpenClipboard +#else +#include +#endif +#if defined(WINAPI_FAMILY) && (WINAPI_FAMILY == WINAPI_FAMILY_APP) // UWP doesn't have all Win32 functions +#define IMGUI_DISABLE_WIN32_DEFAULT_CLIPBOARD_FUNCTIONS +#define IMGUI_DISABLE_WIN32_DEFAULT_IME_FUNCTIONS +#endif +#endif + +// [Apple] OS specific includes +#if defined(__APPLE__) +#include +#endif + +// Visual Studio warnings +#ifdef _MSC_VER +#pragma warning (disable: 4127) // condition expression is constant +#pragma warning (disable: 4996) // 'This function or variable may be unsafe': strcpy, strdup, sprintf, vsnprintf, sscanf, fopen +#if defined(_MSC_VER) && _MSC_VER >= 1922 // MSVC 2019 16.2 or later +#pragma warning (disable: 5054) // operator '|': deprecated between enumerations of different types +#endif +#endif + +// Clang/GCC warnings with -Weverything +#if defined(__clang__) +#pragma clang diagnostic ignored "-Wunknown-pragmas" // warning : unknown warning group '-Wformat-pedantic *' // not all warnings are known by all clang versions.. so ignoring warnings triggers new warnings on some configuration. great! +#pragma clang diagnostic ignored "-Wold-style-cast" // warning : use of old-style cast // yes, they are more terse. +#pragma clang diagnostic ignored "-Wfloat-equal" // warning : comparing floating point with == or != is unsafe // storing and comparing against same constants (typically 0.0f) is ok. +#pragma clang diagnostic ignored "-Wformat-nonliteral" // warning : format string is not a string literal // passing non-literal to vsnformat(). yes, user passing incorrect format strings can crash the code. +#pragma clang diagnostic ignored "-Wexit-time-destructors" // warning : declaration requires an exit-time destructor // exit-time destruction order is undefined. if MemFree() leads to users code that has been disabled before exit it might cause problems. ImGui coding style welcomes static/globals. +#pragma clang diagnostic ignored "-Wglobal-constructors" // warning : declaration requires a global destructor // similar to above, not sure what the exact difference is. +#pragma clang diagnostic ignored "-Wsign-conversion" // warning : implicit conversion changes signedness // +#pragma clang diagnostic ignored "-Wformat-pedantic" // warning : format specifies type 'void *' but the argument has type 'xxxx *' // unreasonable, would lead to casting every %p arg to void*. probably enabled by -pedantic. +#pragma clang diagnostic ignored "-Wint-to-void-pointer-cast" // warning : cast to 'void *' from smaller integer type 'int' +#if __has_warning("-Wzero-as-null-pointer-constant") +#pragma clang diagnostic ignored "-Wzero-as-null-pointer-constant" // warning : zero as null pointer constant // some standard header variations use #define NULL 0 +#endif +#if __has_warning("-Wdouble-promotion") +#pragma clang diagnostic ignored "-Wdouble-promotion" // warning: implicit conversion from 'float' to 'double' when passing argument to function // using printf() is a misery with this as C++ va_arg ellipsis changes float to double. +#endif +#elif defined(__GNUC__) +// We disable -Wpragmas because GCC doesn't provide an has_warning equivalent and some forks/patches may not following the warning/version association. +#pragma GCC diagnostic ignored "-Wpragmas" // warning: unknown option after '#pragma GCC diagnostic' kind +#pragma GCC diagnostic ignored "-Wunused-function" // warning: 'xxxx' defined but not used +#pragma GCC diagnostic ignored "-Wint-to-pointer-cast" // warning: cast to pointer from integer of different size +#pragma GCC diagnostic ignored "-Wformat" // warning: format '%p' expects argument of type 'void*', but argument 6 has type 'ImGuiWindow*' +#pragma GCC diagnostic ignored "-Wdouble-promotion" // warning: implicit conversion from 'float' to 'double' when passing argument to function +#pragma GCC diagnostic ignored "-Wconversion" // warning: conversion to 'xxxx' from 'xxxx' may alter its value +#pragma GCC diagnostic ignored "-Wformat-nonliteral" // warning: format not a string literal, format string not checked +#pragma GCC diagnostic ignored "-Wstrict-overflow" // warning: assuming signed overflow does not occur when assuming that (X - c) > X is always false +#pragma GCC diagnostic ignored "-Wclass-memaccess" // [__GNUC__ >= 8] warning: 'memset/memcpy' clearing/writing an object of type 'xxxx' with no trivial copy-assignment; use assignment or value-initialization instead +#endif + +// Debug options +#define IMGUI_DEBUG_NAV_SCORING 0 // Display navigation scoring preview when hovering items. Display last moving direction matches when holding CTRL +#define IMGUI_DEBUG_NAV_RECTS 0 // Display the reference navigation rectangle for each window +#define IMGUI_DEBUG_INI_SETTINGS 0 // Save additional comments in .ini file (particularly helps for Docking, but makes saving slower) + +// When using CTRL+TAB (or Gamepad Square+L/R) we delay the visual a little in order to reduce visual noise doing a fast switch. +static const float NAV_WINDOWING_HIGHLIGHT_DELAY = 0.20f; // Time before the highlight and screen dimming starts fading in +static const float NAV_WINDOWING_LIST_APPEAR_DELAY = 0.15f; // Time before the window list starts to appear + +// Window resizing from edges (when io.ConfigWindowsResizeFromEdges = true and ImGuiBackendFlags_HasMouseCursors is set in io.BackendFlags by back-end) +static const float WINDOWS_RESIZE_FROM_EDGES_HALF_THICKNESS = 4.0f; // Extend outside and inside windows. Affect FindHoveredWindow(). +static const float WINDOWS_RESIZE_FROM_EDGES_FEEDBACK_TIMER = 0.04f; // Reduce visual noise by only highlighting the border after a certain time. +static const float WINDOWS_MOUSE_WHEEL_SCROLL_LOCK_TIMER = 2.00f; // Lock scrolled window (so it doesn't pick child windows that are scrolling through) for a certaint time, unless mouse moved. + +//------------------------------------------------------------------------- +// [SECTION] FORWARD DECLARATIONS +//------------------------------------------------------------------------- + +static void SetCurrentWindow(ImGuiWindow* window); +static void FindHoveredWindow(); +static ImGuiWindow* CreateNewWindow(const char* name, ImVec2 size, ImGuiWindowFlags flags); +static ImVec2 CalcNextScrollFromScrollTargetAndClamp(ImGuiWindow* window, bool snap_on_edges); + +static void AddDrawListToDrawData(ImVector* out_list, ImDrawList* draw_list); +static void AddWindowToSortBuffer(ImVector* out_sorted_windows, ImGuiWindow* window); + +static ImRect GetViewportRect(); + +// Settings +static void* WindowSettingsHandler_ReadOpen(ImGuiContext*, ImGuiSettingsHandler*, const char* name); +static void WindowSettingsHandler_ReadLine(ImGuiContext*, ImGuiSettingsHandler*, void* entry, const char* line); +static void WindowSettingsHandler_WriteAll(ImGuiContext*, ImGuiSettingsHandler*, ImGuiTextBuffer* buf); + +// Platform Dependents default implementation for IO functions +static const char* GetClipboardTextFn_DefaultImpl(void* user_data); +static void SetClipboardTextFn_DefaultImpl(void* user_data, const char* text); +static void ImeSetInputScreenPosFn_DefaultImpl(int x, int y); + +namespace ImGui +{ +// Navigation +static void NavUpdate(); +static void NavUpdateWindowing(); +static void NavUpdateWindowingOverlay(); +static void NavUpdateMoveResult(); +static float NavUpdatePageUpPageDown(); +static inline void NavUpdateAnyRequestFlag(); +static bool NavScoreItem(ImGuiNavMoveResult* result, ImRect cand); +static void NavProcessItem(ImGuiWindow* window, const ImRect& nav_bb, ImGuiID id); +static ImVec2 NavCalcPreferredRefPos(); +static void NavSaveLastChildNavWindowIntoParent(ImGuiWindow* nav_window); +static ImGuiWindow* NavRestoreLastChildNavWindow(ImGuiWindow* window); +static int FindWindowFocusIndex(ImGuiWindow* window); + +// Error Checking +static void ErrorCheckNewFrameSanityChecks(); +static void ErrorCheckEndFrameSanityChecks(); +static void ErrorCheckBeginEndCompareStacksSize(ImGuiWindow* window, bool write); + +// Misc +static void UpdateSettings(); +static void UpdateMouseInputs(); +static void UpdateMouseWheel(); +static void UpdateTabFocus(); +static void UpdateDebugToolItemPicker(); +static bool UpdateWindowManualResize(ImGuiWindow* window, const ImVec2& size_auto_fit, int* border_held, int resize_grip_count, ImU32 resize_grip_col[4]); +static void RenderWindowOuterBorders(ImGuiWindow* window); +static void RenderWindowDecorations(ImGuiWindow* window, const ImRect& title_bar_rect, bool title_bar_is_highlight, int resize_grip_count, const ImU32 resize_grip_col[4], float resize_grip_draw_size); +static void RenderWindowTitleBarContents(ImGuiWindow* window, const ImRect& title_bar_rect, const char* name, bool* p_open); + +} + +//----------------------------------------------------------------------------- +// [SECTION] CONTEXT AND MEMORY ALLOCATORS +//----------------------------------------------------------------------------- + +// Current context pointer. Implicitly used by all Dear ImGui functions. Always assumed to be != NULL. +// ImGui::CreateContext() will automatically set this pointer if it is NULL. Change to a different context by calling ImGui::SetCurrentContext(). +// 1) Important: globals are not shared across DLL boundaries! If you use DLLs or any form of hot-reloading: you will need to call +// SetCurrentContext() (with the pointer you got from CreateContext) from each unique static/DLL boundary, and after each hot-reloading. +// In your debugger, add GImGui to your watch window and notice how its value changes depending on which location you are currently stepping into. +// 2) Important: Dear ImGui functions are not thread-safe because of this pointer. +// If you want thread-safety to allow N threads to access N different contexts, you can: +// - Change this variable to use thread local storage so each thread can refer to a different context, in imconfig.h: +// struct ImGuiContext; +// extern thread_local ImGuiContext* MyImGuiTLS; +// #define GImGui MyImGuiTLS +// And then define MyImGuiTLS in one of your cpp file. Note that thread_local is a C++11 keyword, earlier C++ uses compiler-specific keyword. +// - Future development aim to make this context pointer explicit to all calls. Also read https://github.com/ocornut/imgui/issues/586 +// - If you need a finite number of contexts, you may compile and use multiple instances of the ImGui code from different namespace. +#ifndef GImGui +ImGuiContext* GImGui = NULL; +#endif + +// Memory Allocator functions. Use SetAllocatorFunctions() to change them. +// If you use DLL hotreloading you might need to call SetAllocatorFunctions() after reloading code from this file. +// Otherwise, you probably don't want to modify them mid-program, and if you use global/static e.g. ImVector<> instances you may need to keep them accessible during program destruction. +#ifndef IMGUI_DISABLE_DEFAULT_ALLOCATORS +static void* MallocWrapper(size_t size, void* user_data) { IM_UNUSED(user_data); return malloc(size); } +static void FreeWrapper(void* ptr, void* user_data) { IM_UNUSED(user_data); free(ptr); } +#else +static void* MallocWrapper(size_t size, void* user_data) { IM_UNUSED(user_data); IM_UNUSED(size); IM_ASSERT(0); return NULL; } +static void FreeWrapper(void* ptr, void* user_data) { IM_UNUSED(user_data); IM_UNUSED(ptr); IM_ASSERT(0); } +#endif + +static void* (*GImAllocatorAllocFunc)(size_t size, void* user_data) = MallocWrapper; +static void (*GImAllocatorFreeFunc)(void* ptr, void* user_data) = FreeWrapper; +static void* GImAllocatorUserData = NULL; + +//----------------------------------------------------------------------------- +// [SECTION] USER FACING STRUCTURES (ImGuiStyle, ImGuiIO) +//----------------------------------------------------------------------------- + +ImGuiStyle::ImGuiStyle() +{ + Alpha = 1.0f; // Global alpha applies to everything in ImGui + WindowPadding = ImVec2(8,8); // Padding within a window + WindowRounding = 7.0f; // Radius of window corners rounding. Set to 0.0f to have rectangular windows + WindowBorderSize = 1.0f; // Thickness of border around windows. Generally set to 0.0f or 1.0f. Other values not well tested. + WindowMinSize = ImVec2(32,32); // Minimum window size + WindowTitleAlign = ImVec2(0.0f,0.5f);// Alignment for title bar text + WindowMenuButtonPosition= ImGuiDir_Left; // Position of the collapsing/docking button in the title bar (left/right). Defaults to ImGuiDir_Left. + ChildRounding = 0.0f; // Radius of child window corners rounding. Set to 0.0f to have rectangular child windows + ChildBorderSize = 1.0f; // Thickness of border around child windows. Generally set to 0.0f or 1.0f. Other values not well tested. + PopupRounding = 0.0f; // Radius of popup window corners rounding. Set to 0.0f to have rectangular child windows + PopupBorderSize = 1.0f; // Thickness of border around popup or tooltip windows. Generally set to 0.0f or 1.0f. Other values not well tested. + FramePadding = ImVec2(4,3); // Padding within a framed rectangle (used by most widgets) + FrameRounding = 0.0f; // Radius of frame corners rounding. Set to 0.0f to have rectangular frames (used by most widgets). + FrameBorderSize = 0.0f; // Thickness of border around frames. Generally set to 0.0f or 1.0f. Other values not well tested. + ItemSpacing = ImVec2(8,4); // Horizontal and vertical spacing between widgets/lines + ItemInnerSpacing = ImVec2(4,4); // Horizontal and vertical spacing between within elements of a composed widget (e.g. a slider and its label) + TouchExtraPadding = ImVec2(0,0); // Expand reactive bounding box for touch-based system where touch position is not accurate enough. Unfortunately we don't sort widgets so priority on overlap will always be given to the first widget. So don't grow this too much! + IndentSpacing = 21.0f; // Horizontal spacing when e.g. entering a tree node. Generally == (FontSize + FramePadding.x*2). + ColumnsMinSpacing = 6.0f; // Minimum horizontal spacing between two columns. Preferably > (FramePadding.x + 1). + ScrollbarSize = 14.0f; // Width of the vertical scrollbar, Height of the horizontal scrollbar + ScrollbarRounding = 9.0f; // Radius of grab corners rounding for scrollbar + GrabMinSize = 10.0f; // Minimum width/height of a grab box for slider/scrollbar + GrabRounding = 0.0f; // Radius of grabs corners rounding. Set to 0.0f to have rectangular slider grabs. + TabRounding = 4.0f; // Radius of upper corners of a tab. Set to 0.0f to have rectangular tabs. + TabBorderSize = 0.0f; // Thickness of border around tabs. + ColorButtonPosition = ImGuiDir_Right; // Side of the color button in the ColorEdit4 widget (left/right). Defaults to ImGuiDir_Right. + ButtonTextAlign = ImVec2(0.5f,0.5f);// Alignment of button text when button is larger than text. + SelectableTextAlign = ImVec2(0.0f,0.0f);// Alignment of selectable text when button is larger than text. + DisplayWindowPadding = ImVec2(19,19); // Window position are clamped to be visible within the display area or monitors by at least this amount. Only applies to regular windows. + DisplaySafeAreaPadding = ImVec2(3,3); // If you cannot see the edge of your screen (e.g. on a TV) increase the safe area padding. Covers popups/tooltips as well regular windows. + MouseCursorScale = 1.0f; // Scale software rendered mouse cursor (when io.MouseDrawCursor is enabled). May be removed later. + AntiAliasedLines = true; // Enable anti-aliasing on lines/borders. Disable if you are really short on CPU/GPU. + AntiAliasedFill = true; // Enable anti-aliasing on filled shapes (rounded rectangles, circles, etc.) + CurveTessellationTol = 1.25f; // Tessellation tolerance when using PathBezierCurveTo() without a specific number of segments. Decrease for highly tessellated curves (higher quality, more polygons), increase to reduce quality. + CircleSegmentMaxError = 1.60f; // Maximum error (in pixels) allowed when using AddCircle()/AddCircleFilled() or drawing rounded corner rectangles with no explicit segment count specified. Decrease for higher quality but more geometry. + + // Default theme + ImGui::StyleColorsDark(this); +} + +// To scale your entire UI (e.g. if you want your app to use High DPI or generally be DPI aware) you may use this helper function. Scaling the fonts is done separately and is up to you. +// Important: This operation is lossy because we round all sizes to integer. If you need to change your scale multiples, call this over a freshly initialized ImGuiStyle structure rather than scaling multiple times. +void ImGuiStyle::ScaleAllSizes(float scale_factor) +{ + WindowPadding = ImFloor(WindowPadding * scale_factor); + WindowRounding = ImFloor(WindowRounding * scale_factor); + WindowMinSize = ImFloor(WindowMinSize * scale_factor); + ChildRounding = ImFloor(ChildRounding * scale_factor); + PopupRounding = ImFloor(PopupRounding * scale_factor); + FramePadding = ImFloor(FramePadding * scale_factor); + FrameRounding = ImFloor(FrameRounding * scale_factor); + ItemSpacing = ImFloor(ItemSpacing * scale_factor); + ItemInnerSpacing = ImFloor(ItemInnerSpacing * scale_factor); + TouchExtraPadding = ImFloor(TouchExtraPadding * scale_factor); + IndentSpacing = ImFloor(IndentSpacing * scale_factor); + ColumnsMinSpacing = ImFloor(ColumnsMinSpacing * scale_factor); + ScrollbarSize = ImFloor(ScrollbarSize * scale_factor); + ScrollbarRounding = ImFloor(ScrollbarRounding * scale_factor); + GrabMinSize = ImFloor(GrabMinSize * scale_factor); + GrabRounding = ImFloor(GrabRounding * scale_factor); + TabRounding = ImFloor(TabRounding * scale_factor); + DisplayWindowPadding = ImFloor(DisplayWindowPadding * scale_factor); + DisplaySafeAreaPadding = ImFloor(DisplaySafeAreaPadding * scale_factor); + MouseCursorScale = ImFloor(MouseCursorScale * scale_factor); +} + +ImGuiIO::ImGuiIO() +{ + // Most fields are initialized with zero + memset(this, 0, sizeof(*this)); + IM_ASSERT(IM_ARRAYSIZE(ImGuiIO::MouseDown) == ImGuiMouseButton_COUNT && IM_ARRAYSIZE(ImGuiIO::MouseClicked) == ImGuiMouseButton_COUNT); // Our pre-C++11 IM_STATIC_ASSERT() macros triggers warning on modern compilers so we don't use it here. + + // Settings + ConfigFlags = ImGuiConfigFlags_None; + BackendFlags = ImGuiBackendFlags_None; + DisplaySize = ImVec2(-1.0f, -1.0f); + DeltaTime = 1.0f/60.0f; + IniSavingRate = 5.0f; + IniFilename = "imgui.ini"; + LogFilename = "imgui_log.txt"; + MouseDoubleClickTime = 0.30f; + MouseDoubleClickMaxDist = 6.0f; + for (int i = 0; i < ImGuiKey_COUNT; i++) + KeyMap[i] = -1; + KeyRepeatDelay = 0.275f; + KeyRepeatRate = 0.050f; + UserData = NULL; + + Fonts = NULL; + FontGlobalScale = 1.0f; + FontDefault = NULL; + FontAllowUserScaling = false; + DisplayFramebufferScale = ImVec2(1.0f, 1.0f); + + // Miscellaneous options + MouseDrawCursor = false; +#ifdef __APPLE__ + ConfigMacOSXBehaviors = true; // Set Mac OS X style defaults based on __APPLE__ compile time flag +#else + ConfigMacOSXBehaviors = false; +#endif + ConfigInputTextCursorBlink = true; + ConfigWindowsResizeFromEdges = true; + ConfigWindowsMoveFromTitleBarOnly = false; + ConfigWindowsMemoryCompactTimer = 60.0f; + + // Platform Functions + BackendPlatformName = BackendRendererName = NULL; + BackendPlatformUserData = BackendRendererUserData = BackendLanguageUserData = NULL; + GetClipboardTextFn = GetClipboardTextFn_DefaultImpl; // Platform dependent default implementations + SetClipboardTextFn = SetClipboardTextFn_DefaultImpl; + ClipboardUserData = NULL; + ImeSetInputScreenPosFn = ImeSetInputScreenPosFn_DefaultImpl; + ImeWindowHandle = NULL; + +#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS + RenderDrawListsFn = NULL; +#endif + + // Input (NB: we already have memset zero the entire structure!) + MousePos = ImVec2(-FLT_MAX, -FLT_MAX); + MousePosPrev = ImVec2(-FLT_MAX, -FLT_MAX); + MouseDragThreshold = 6.0f; + for (int i = 0; i < IM_ARRAYSIZE(MouseDownDuration); i++) MouseDownDuration[i] = MouseDownDurationPrev[i] = -1.0f; + for (int i = 0; i < IM_ARRAYSIZE(KeysDownDuration); i++) KeysDownDuration[i] = KeysDownDurationPrev[i] = -1.0f; + for (int i = 0; i < IM_ARRAYSIZE(NavInputsDownDuration); i++) NavInputsDownDuration[i] = -1.0f; +} + +// Pass in translated ASCII characters for text input. +// - with glfw you can get those from the callback set in glfwSetCharCallback() +// - on Windows you can get those using ToAscii+keyboard state, or via the WM_CHAR message +void ImGuiIO::AddInputCharacter(unsigned int c) +{ + InputQueueCharacters.push_back(c > 0 && c <= IM_UNICODE_CODEPOINT_MAX ? (ImWchar)c : IM_UNICODE_CODEPOINT_INVALID); +} + +// UTF16 strings use surrogate pairs to encode codepoints >= 0x10000, so +// we should save the high surrogate. +void ImGuiIO::AddInputCharacterUTF16(ImWchar16 c) +{ + if ((c & 0xFC00) == 0xD800) // High surrogate, must save + { + if (InputQueueSurrogate != 0) + InputQueueCharacters.push_back(0xFFFD); + InputQueueSurrogate = c; + return; + } + + ImWchar cp = c; + if (InputQueueSurrogate != 0) + { + if ((c & 0xFC00) != 0xDC00) // Invalid low surrogate + InputQueueCharacters.push_back(IM_UNICODE_CODEPOINT_INVALID); + else if (IM_UNICODE_CODEPOINT_MAX == (0xFFFF)) // Codepoint will not fit in ImWchar (extra parenthesis around 0xFFFF somehow fixes -Wunreachable-code with Clang) + cp = IM_UNICODE_CODEPOINT_INVALID; + else + cp = (ImWchar)(((InputQueueSurrogate - 0xD800) << 10) + (c - 0xDC00) + 0x10000); + InputQueueSurrogate = 0; + } + InputQueueCharacters.push_back(cp); +} + +void ImGuiIO::AddInputCharactersUTF8(const char* utf8_chars) +{ + while (*utf8_chars != 0) + { + unsigned int c = 0; + utf8_chars += ImTextCharFromUtf8(&c, utf8_chars, NULL); + if (c > 0) + InputQueueCharacters.push_back((ImWchar)c); + } +} + +void ImGuiIO::ClearInputCharacters() +{ + InputQueueCharacters.resize(0); +} + +//----------------------------------------------------------------------------- +// [SECTION] MISC HELPERS/UTILITIES (Geometry functions) +//----------------------------------------------------------------------------- + +ImVec2 ImBezierClosestPoint(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, const ImVec2& p, int num_segments) +{ + IM_ASSERT(num_segments > 0); // Use ImBezierClosestPointCasteljau() + ImVec2 p_last = p1; + ImVec2 p_closest; + float p_closest_dist2 = FLT_MAX; + float t_step = 1.0f / (float)num_segments; + for (int i_step = 1; i_step <= num_segments; i_step++) + { + ImVec2 p_current = ImBezierCalc(p1, p2, p3, p4, t_step * i_step); + ImVec2 p_line = ImLineClosestPoint(p_last, p_current, p); + float dist2 = ImLengthSqr(p - p_line); + if (dist2 < p_closest_dist2) + { + p_closest = p_line; + p_closest_dist2 = dist2; + } + p_last = p_current; + } + return p_closest; +} + +// Closely mimics PathBezierToCasteljau() in imgui_draw.cpp +static void BezierClosestPointCasteljauStep(const ImVec2& p, ImVec2& p_closest, ImVec2& p_last, float& p_closest_dist2, float x1, float y1, float x2, float y2, float x3, float y3, float x4, float y4, float tess_tol, int level) +{ + float dx = x4 - x1; + float dy = y4 - y1; + float d2 = ((x2 - x4) * dy - (y2 - y4) * dx); + float d3 = ((x3 - x4) * dy - (y3 - y4) * dx); + d2 = (d2 >= 0) ? d2 : -d2; + d3 = (d3 >= 0) ? d3 : -d3; + if ((d2+d3) * (d2+d3) < tess_tol * (dx*dx + dy*dy)) + { + ImVec2 p_current(x4, y4); + ImVec2 p_line = ImLineClosestPoint(p_last, p_current, p); + float dist2 = ImLengthSqr(p - p_line); + if (dist2 < p_closest_dist2) + { + p_closest = p_line; + p_closest_dist2 = dist2; + } + p_last = p_current; + } + else if (level < 10) + { + float x12 = (x1+x2)*0.5f, y12 = (y1+y2)*0.5f; + float x23 = (x2+x3)*0.5f, y23 = (y2+y3)*0.5f; + float x34 = (x3+x4)*0.5f, y34 = (y3+y4)*0.5f; + float x123 = (x12+x23)*0.5f, y123 = (y12+y23)*0.5f; + float x234 = (x23+x34)*0.5f, y234 = (y23+y34)*0.5f; + float x1234 = (x123+x234)*0.5f, y1234 = (y123+y234)*0.5f; + BezierClosestPointCasteljauStep(p, p_closest, p_last, p_closest_dist2, x1, y1, x12, y12, x123, y123, x1234, y1234, tess_tol, level + 1); + BezierClosestPointCasteljauStep(p, p_closest, p_last, p_closest_dist2, x1234, y1234, x234, y234, x34, y34, x4, y4, tess_tol, level + 1); + } +} + +// tess_tol is generally the same value you would find in ImGui::GetStyle().CurveTessellationTol +// Because those ImXXX functions are lower-level than ImGui:: we cannot access this value automatically. +ImVec2 ImBezierClosestPointCasteljau(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, const ImVec2& p, float tess_tol) +{ + IM_ASSERT(tess_tol > 0.0f); + ImVec2 p_last = p1; + ImVec2 p_closest; + float p_closest_dist2 = FLT_MAX; + BezierClosestPointCasteljauStep(p, p_closest, p_last, p_closest_dist2, p1.x, p1.y, p2.x, p2.y, p3.x, p3.y, p4.x, p4.y, tess_tol, 0); + return p_closest; +} + +ImVec2 ImLineClosestPoint(const ImVec2& a, const ImVec2& b, const ImVec2& p) +{ + ImVec2 ap = p - a; + ImVec2 ab_dir = b - a; + float dot = ap.x * ab_dir.x + ap.y * ab_dir.y; + if (dot < 0.0f) + return a; + float ab_len_sqr = ab_dir.x * ab_dir.x + ab_dir.y * ab_dir.y; + if (dot > ab_len_sqr) + return b; + return a + ab_dir * dot / ab_len_sqr; +} + +bool ImTriangleContainsPoint(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& p) +{ + bool b1 = ((p.x - b.x) * (a.y - b.y) - (p.y - b.y) * (a.x - b.x)) < 0.0f; + bool b2 = ((p.x - c.x) * (b.y - c.y) - (p.y - c.y) * (b.x - c.x)) < 0.0f; + bool b3 = ((p.x - a.x) * (c.y - a.y) - (p.y - a.y) * (c.x - a.x)) < 0.0f; + return ((b1 == b2) && (b2 == b3)); +} + +void ImTriangleBarycentricCoords(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& p, float& out_u, float& out_v, float& out_w) +{ + ImVec2 v0 = b - a; + ImVec2 v1 = c - a; + ImVec2 v2 = p - a; + const float denom = v0.x * v1.y - v1.x * v0.y; + out_v = (v2.x * v1.y - v1.x * v2.y) / denom; + out_w = (v0.x * v2.y - v2.x * v0.y) / denom; + out_u = 1.0f - out_v - out_w; +} + +ImVec2 ImTriangleClosestPoint(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& p) +{ + ImVec2 proj_ab = ImLineClosestPoint(a, b, p); + ImVec2 proj_bc = ImLineClosestPoint(b, c, p); + ImVec2 proj_ca = ImLineClosestPoint(c, a, p); + float dist2_ab = ImLengthSqr(p - proj_ab); + float dist2_bc = ImLengthSqr(p - proj_bc); + float dist2_ca = ImLengthSqr(p - proj_ca); + float m = ImMin(dist2_ab, ImMin(dist2_bc, dist2_ca)); + if (m == dist2_ab) + return proj_ab; + if (m == dist2_bc) + return proj_bc; + return proj_ca; +} + +//----------------------------------------------------------------------------- +// [SECTION] MISC HELPERS/UTILITIES (String, Format, Hash functions) +//----------------------------------------------------------------------------- + +// Consider using _stricmp/_strnicmp under Windows or strcasecmp/strncasecmp. We don't actually use either ImStricmp/ImStrnicmp in the codebase any more. +int ImStricmp(const char* str1, const char* str2) +{ + int d; + while ((d = toupper(*str2) - toupper(*str1)) == 0 && *str1) { str1++; str2++; } + return d; +} + +int ImStrnicmp(const char* str1, const char* str2, size_t count) +{ + int d = 0; + while (count > 0 && (d = toupper(*str2) - toupper(*str1)) == 0 && *str1) { str1++; str2++; count--; } + return d; +} + +void ImStrncpy(char* dst, const char* src, size_t count) +{ + if (count < 1) + return; + if (count > 1) + strncpy(dst, src, count - 1); + dst[count - 1] = 0; +} + +char* ImStrdup(const char* str) +{ + size_t len = strlen(str); + void* buf = IM_ALLOC(len + 1); + return (char*)memcpy(buf, (const void*)str, len + 1); +} + +char* ImStrdupcpy(char* dst, size_t* p_dst_size, const char* src) +{ + size_t dst_buf_size = p_dst_size ? *p_dst_size : strlen(dst) + 1; + size_t src_size = strlen(src) + 1; + if (dst_buf_size < src_size) + { + IM_FREE(dst); + dst = (char*)IM_ALLOC(src_size); + if (p_dst_size) + *p_dst_size = src_size; + } + return (char*)memcpy(dst, (const void*)src, src_size); +} + +const char* ImStrchrRange(const char* str, const char* str_end, char c) +{ + const char* p = (const char*)memchr(str, (int)c, str_end - str); + return p; +} + +int ImStrlenW(const ImWchar* str) +{ + //return (int)wcslen((const wchar_t*)str); // FIXME-OPT: Could use this when wchar_t are 16-bit + int n = 0; + while (*str++) n++; + return n; +} + +// Find end-of-line. Return pointer will point to either first \n, either str_end. +const char* ImStreolRange(const char* str, const char* str_end) +{ + const char* p = (const char*)memchr(str, '\n', str_end - str); + return p ? p : str_end; +} + +const ImWchar* ImStrbolW(const ImWchar* buf_mid_line, const ImWchar* buf_begin) // find beginning-of-line +{ + while (buf_mid_line > buf_begin && buf_mid_line[-1] != '\n') + buf_mid_line--; + return buf_mid_line; +} + +const char* ImStristr(const char* haystack, const char* haystack_end, const char* needle, const char* needle_end) +{ + if (!needle_end) + needle_end = needle + strlen(needle); + + const char un0 = (char)toupper(*needle); + while ((!haystack_end && *haystack) || (haystack_end && haystack < haystack_end)) + { + if (toupper(*haystack) == un0) + { + const char* b = needle + 1; + for (const char* a = haystack + 1; b < needle_end; a++, b++) + if (toupper(*a) != toupper(*b)) + break; + if (b == needle_end) + return haystack; + } + haystack++; + } + return NULL; +} + +// Trim str by offsetting contents when there's leading data + writing a \0 at the trailing position. We use this in situation where the cost is negligible. +void ImStrTrimBlanks(char* buf) +{ + char* p = buf; + while (p[0] == ' ' || p[0] == '\t') // Leading blanks + p++; + char* p_start = p; + while (*p != 0) // Find end of string + p++; + while (p > p_start && (p[-1] == ' ' || p[-1] == '\t')) // Trailing blanks + p--; + if (p_start != buf) // Copy memory if we had leading blanks + memmove(buf, p_start, p - p_start); + buf[p - p_start] = 0; // Zero terminate +} + +const char* ImStrSkipBlank(const char* str) +{ + while (str[0] == ' ' || str[0] == '\t') + str++; + return str; +} + +// A) MSVC version appears to return -1 on overflow, whereas glibc appears to return total count (which may be >= buf_size). +// Ideally we would test for only one of those limits at runtime depending on the behavior the vsnprintf(), but trying to deduct it at compile time sounds like a pandora can of worm. +// B) When buf==NULL vsnprintf() will return the output size. +#ifndef IMGUI_DISABLE_DEFAULT_FORMAT_FUNCTIONS + +// We support stb_sprintf which is much faster (see: https://github.com/nothings/stb/blob/master/stb_sprintf.h) +// You may set IMGUI_USE_STB_SPRINTF to use our default wrapper, or set IMGUI_DISABLE_DEFAULT_FORMAT_FUNCTIONS +// and setup the wrapper yourself. (FIXME-OPT: Some of our high-level operations such as ImGuiTextBuffer::appendfv() are +// designed using two-passes worst case, which probably could be improved using the stbsp_vsprintfcb() function.) +#ifdef IMGUI_USE_STB_SPRINTF +#define STB_SPRINTF_IMPLEMENTATION +#include "stb_sprintf.h" +#endif + +#if defined(_MSC_VER) && !defined(vsnprintf) +#define vsnprintf _vsnprintf +#endif + +int ImFormatString(char* buf, size_t buf_size, const char* fmt, ...) +{ + va_list args; + va_start(args, fmt); +#ifdef IMGUI_USE_STB_SPRINTF + int w = stbsp_vsnprintf(buf, (int)buf_size, fmt, args); +#else + int w = vsnprintf(buf, buf_size, fmt, args); +#endif + va_end(args); + if (buf == NULL) + return w; + if (w == -1 || w >= (int)buf_size) + w = (int)buf_size - 1; + buf[w] = 0; + return w; +} + +int ImFormatStringV(char* buf, size_t buf_size, const char* fmt, va_list args) +{ +#ifdef IMGUI_USE_STB_SPRINTF + int w = stbsp_vsnprintf(buf, (int)buf_size, fmt, args); +#else + int w = vsnprintf(buf, buf_size, fmt, args); +#endif + if (buf == NULL) + return w; + if (w == -1 || w >= (int)buf_size) + w = (int)buf_size - 1; + buf[w] = 0; + return w; +} +#endif // #ifdef IMGUI_DISABLE_DEFAULT_FORMAT_FUNCTIONS + +// CRC32 needs a 1KB lookup table (not cache friendly) +// Although the code to generate the table is simple and shorter than the table itself, using a const table allows us to easily: +// - avoid an unnecessary branch/memory tap, - keep the ImHashXXX functions usable by static constructors, - make it thread-safe. +static const ImU32 GCrc32LookupTable[256] = +{ + 0x00000000,0x77073096,0xEE0E612C,0x990951BA,0x076DC419,0x706AF48F,0xE963A535,0x9E6495A3,0x0EDB8832,0x79DCB8A4,0xE0D5E91E,0x97D2D988,0x09B64C2B,0x7EB17CBD,0xE7B82D07,0x90BF1D91, + 0x1DB71064,0x6AB020F2,0xF3B97148,0x84BE41DE,0x1ADAD47D,0x6DDDE4EB,0xF4D4B551,0x83D385C7,0x136C9856,0x646BA8C0,0xFD62F97A,0x8A65C9EC,0x14015C4F,0x63066CD9,0xFA0F3D63,0x8D080DF5, + 0x3B6E20C8,0x4C69105E,0xD56041E4,0xA2677172,0x3C03E4D1,0x4B04D447,0xD20D85FD,0xA50AB56B,0x35B5A8FA,0x42B2986C,0xDBBBC9D6,0xACBCF940,0x32D86CE3,0x45DF5C75,0xDCD60DCF,0xABD13D59, + 0x26D930AC,0x51DE003A,0xC8D75180,0xBFD06116,0x21B4F4B5,0x56B3C423,0xCFBA9599,0xB8BDA50F,0x2802B89E,0x5F058808,0xC60CD9B2,0xB10BE924,0x2F6F7C87,0x58684C11,0xC1611DAB,0xB6662D3D, + 0x76DC4190,0x01DB7106,0x98D220BC,0xEFD5102A,0x71B18589,0x06B6B51F,0x9FBFE4A5,0xE8B8D433,0x7807C9A2,0x0F00F934,0x9609A88E,0xE10E9818,0x7F6A0DBB,0x086D3D2D,0x91646C97,0xE6635C01, + 0x6B6B51F4,0x1C6C6162,0x856530D8,0xF262004E,0x6C0695ED,0x1B01A57B,0x8208F4C1,0xF50FC457,0x65B0D9C6,0x12B7E950,0x8BBEB8EA,0xFCB9887C,0x62DD1DDF,0x15DA2D49,0x8CD37CF3,0xFBD44C65, + 0x4DB26158,0x3AB551CE,0xA3BC0074,0xD4BB30E2,0x4ADFA541,0x3DD895D7,0xA4D1C46D,0xD3D6F4FB,0x4369E96A,0x346ED9FC,0xAD678846,0xDA60B8D0,0x44042D73,0x33031DE5,0xAA0A4C5F,0xDD0D7CC9, + 0x5005713C,0x270241AA,0xBE0B1010,0xC90C2086,0x5768B525,0x206F85B3,0xB966D409,0xCE61E49F,0x5EDEF90E,0x29D9C998,0xB0D09822,0xC7D7A8B4,0x59B33D17,0x2EB40D81,0xB7BD5C3B,0xC0BA6CAD, + 0xEDB88320,0x9ABFB3B6,0x03B6E20C,0x74B1D29A,0xEAD54739,0x9DD277AF,0x04DB2615,0x73DC1683,0xE3630B12,0x94643B84,0x0D6D6A3E,0x7A6A5AA8,0xE40ECF0B,0x9309FF9D,0x0A00AE27,0x7D079EB1, + 0xF00F9344,0x8708A3D2,0x1E01F268,0x6906C2FE,0xF762575D,0x806567CB,0x196C3671,0x6E6B06E7,0xFED41B76,0x89D32BE0,0x10DA7A5A,0x67DD4ACC,0xF9B9DF6F,0x8EBEEFF9,0x17B7BE43,0x60B08ED5, + 0xD6D6A3E8,0xA1D1937E,0x38D8C2C4,0x4FDFF252,0xD1BB67F1,0xA6BC5767,0x3FB506DD,0x48B2364B,0xD80D2BDA,0xAF0A1B4C,0x36034AF6,0x41047A60,0xDF60EFC3,0xA867DF55,0x316E8EEF,0x4669BE79, + 0xCB61B38C,0xBC66831A,0x256FD2A0,0x5268E236,0xCC0C7795,0xBB0B4703,0x220216B9,0x5505262F,0xC5BA3BBE,0xB2BD0B28,0x2BB45A92,0x5CB36A04,0xC2D7FFA7,0xB5D0CF31,0x2CD99E8B,0x5BDEAE1D, + 0x9B64C2B0,0xEC63F226,0x756AA39C,0x026D930A,0x9C0906A9,0xEB0E363F,0x72076785,0x05005713,0x95BF4A82,0xE2B87A14,0x7BB12BAE,0x0CB61B38,0x92D28E9B,0xE5D5BE0D,0x7CDCEFB7,0x0BDBDF21, + 0x86D3D2D4,0xF1D4E242,0x68DDB3F8,0x1FDA836E,0x81BE16CD,0xF6B9265B,0x6FB077E1,0x18B74777,0x88085AE6,0xFF0F6A70,0x66063BCA,0x11010B5C,0x8F659EFF,0xF862AE69,0x616BFFD3,0x166CCF45, + 0xA00AE278,0xD70DD2EE,0x4E048354,0x3903B3C2,0xA7672661,0xD06016F7,0x4969474D,0x3E6E77DB,0xAED16A4A,0xD9D65ADC,0x40DF0B66,0x37D83BF0,0xA9BCAE53,0xDEBB9EC5,0x47B2CF7F,0x30B5FFE9, + 0xBDBDF21C,0xCABAC28A,0x53B39330,0x24B4A3A6,0xBAD03605,0xCDD70693,0x54DE5729,0x23D967BF,0xB3667A2E,0xC4614AB8,0x5D681B02,0x2A6F2B94,0xB40BBE37,0xC30C8EA1,0x5A05DF1B,0x2D02EF8D, +}; + +// Known size hash +// It is ok to call ImHashData on a string with known length but the ### operator won't be supported. +// FIXME-OPT: Replace with e.g. FNV1a hash? CRC32 pretty much randomly access 1KB. Need to do proper measurements. +ImU32 ImHashData(const void* data_p, size_t data_size, ImU32 seed) +{ + ImU32 crc = ~seed; + const unsigned char* data = (const unsigned char*)data_p; + const ImU32* crc32_lut = GCrc32LookupTable; + while (data_size-- != 0) + crc = (crc >> 8) ^ crc32_lut[(crc & 0xFF) ^ *data++]; + return ~crc; +} + +// Zero-terminated string hash, with support for ### to reset back to seed value +// We support a syntax of "label###id" where only "###id" is included in the hash, and only "label" gets displayed. +// Because this syntax is rarely used we are optimizing for the common case. +// - If we reach ### in the string we discard the hash so far and reset to the seed. +// - We don't do 'current += 2; continue;' after handling ### to keep the code smaller/faster (measured ~10% diff in Debug build) +// FIXME-OPT: Replace with e.g. FNV1a hash? CRC32 pretty much randomly access 1KB. Need to do proper measurements. +ImU32 ImHashStr(const char* data_p, size_t data_size, ImU32 seed) +{ + seed = ~seed; + ImU32 crc = seed; + const unsigned char* data = (const unsigned char*)data_p; + const ImU32* crc32_lut = GCrc32LookupTable; + if (data_size != 0) + { + while (data_size-- != 0) + { + unsigned char c = *data++; + if (c == '#' && data_size >= 2 && data[0] == '#' && data[1] == '#') + crc = seed; + crc = (crc >> 8) ^ crc32_lut[(crc & 0xFF) ^ c]; + } + } + else + { + while (unsigned char c = *data++) + { + if (c == '#' && data[0] == '#' && data[1] == '#') + crc = seed; + crc = (crc >> 8) ^ crc32_lut[(crc & 0xFF) ^ c]; + } + } + return ~crc; +} + +//----------------------------------------------------------------------------- +// [SECTION] MISC HELPERS/UTILITIES (File functions) +//----------------------------------------------------------------------------- + +// Default file functions +#ifndef IMGUI_DISABLE_DEFAULT_FILE_FUNCTIONS + +ImFileHandle ImFileOpen(const char* filename, const char* mode) +{ +#if defined(_WIN32) && !defined(IMGUI_DISABLE_WIN32_FUNCTIONS) && !defined(__CYGWIN__) && !defined(__GNUC__) + // We need a fopen() wrapper because MSVC/Windows fopen doesn't handle UTF-8 filenames. + // Previously we used ImTextCountCharsFromUtf8/ImTextStrFromUtf8 here but we now need to support ImWchar16 and ImWchar32! + const int filename_wsize = ::MultiByteToWideChar(CP_UTF8, 0, filename, -1, NULL, 0); + const int mode_wsize = ::MultiByteToWideChar(CP_UTF8, 0, mode, -1, NULL, 0); + ImVector buf; + buf.resize(filename_wsize + mode_wsize); + ::MultiByteToWideChar(CP_UTF8, 0, filename, -1, (wchar_t*)&buf[0], filename_wsize); + ::MultiByteToWideChar(CP_UTF8, 0, mode, -1, (wchar_t*)&buf[filename_wsize], mode_wsize); + return ::_wfopen((const wchar_t*)&buf[0], (const wchar_t*)&buf[filename_wsize]); +#else + return fopen(filename, mode); +#endif +} + +// We should in theory be using fseeko()/ftello() with off_t and _fseeki64()/_ftelli64() with __int64, waiting for the PR that does that in a very portable pre-C++11 zero-warnings way. +bool ImFileClose(ImFileHandle f) { return fclose(f) == 0; } +ImU64 ImFileGetSize(ImFileHandle f) { long off = 0, sz = 0; return ((off = ftell(f)) != -1 && !fseek(f, 0, SEEK_END) && (sz = ftell(f)) != -1 && !fseek(f, off, SEEK_SET)) ? (ImU64)sz : (ImU64)-1; } +ImU64 ImFileRead(void* data, ImU64 sz, ImU64 count, ImFileHandle f) { return fread(data, (size_t)sz, (size_t)count, f); } +ImU64 ImFileWrite(const void* data, ImU64 sz, ImU64 count, ImFileHandle f) { return fwrite(data, (size_t)sz, (size_t)count, f); } +#endif // #ifndef IMGUI_DISABLE_DEFAULT_FILE_FUNCTIONS + +// Helper: Load file content into memory +// Memory allocated with IM_ALLOC(), must be freed by user using IM_FREE() == ImGui::MemFree() +// This can't really be used with "rt" because fseek size won't match read size. +void* ImFileLoadToMemory(const char* filename, const char* mode, size_t* out_file_size, int padding_bytes) +{ + IM_ASSERT(filename && mode); + if (out_file_size) + *out_file_size = 0; + + ImFileHandle f; + if ((f = ImFileOpen(filename, mode)) == NULL) + return NULL; + + size_t file_size = (size_t)ImFileGetSize(f); + if (file_size == (size_t)-1) + { + ImFileClose(f); + return NULL; + } + + void* file_data = IM_ALLOC(file_size + padding_bytes); + if (file_data == NULL) + { + ImFileClose(f); + return NULL; + } + if (ImFileRead(file_data, 1, file_size, f) != file_size) + { + ImFileClose(f); + IM_FREE(file_data); + return NULL; + } + if (padding_bytes > 0) + memset((void*)(((char*)file_data) + file_size), 0, (size_t)padding_bytes); + + ImFileClose(f); + if (out_file_size) + *out_file_size = file_size; + + return file_data; +} + +//----------------------------------------------------------------------------- +// [SECTION] MISC HELPERS/UTILITIES (ImText* functions) +//----------------------------------------------------------------------------- + +// Convert UTF-8 to 32-bit character, process single character input. +// Based on stb_from_utf8() from github.com/nothings/stb/ +// We handle UTF-8 decoding error by skipping forward. +int ImTextCharFromUtf8(unsigned int* out_char, const char* in_text, const char* in_text_end) +{ + unsigned int c = (unsigned int)-1; + const unsigned char* str = (const unsigned char*)in_text; + if (!(*str & 0x80)) + { + c = (unsigned int)(*str++); + *out_char = c; + return 1; + } + if ((*str & 0xe0) == 0xc0) + { + *out_char = IM_UNICODE_CODEPOINT_INVALID; // will be invalid but not end of string + if (in_text_end && in_text_end - (const char*)str < 2) return 1; + if (*str < 0xc2) return 2; + c = (unsigned int)((*str++ & 0x1f) << 6); + if ((*str & 0xc0) != 0x80) return 2; + c += (*str++ & 0x3f); + *out_char = c; + return 2; + } + if ((*str & 0xf0) == 0xe0) + { + *out_char = IM_UNICODE_CODEPOINT_INVALID; // will be invalid but not end of string + if (in_text_end && in_text_end - (const char*)str < 3) return 1; + if (*str == 0xe0 && (str[1] < 0xa0 || str[1] > 0xbf)) return 3; + if (*str == 0xed && str[1] > 0x9f) return 3; // str[1] < 0x80 is checked below + c = (unsigned int)((*str++ & 0x0f) << 12); + if ((*str & 0xc0) != 0x80) return 3; + c += (unsigned int)((*str++ & 0x3f) << 6); + if ((*str & 0xc0) != 0x80) return 3; + c += (*str++ & 0x3f); + *out_char = c; + return 3; + } + if ((*str & 0xf8) == 0xf0) + { + *out_char = IM_UNICODE_CODEPOINT_INVALID; // will be invalid but not end of string + if (in_text_end && in_text_end - (const char*)str < 4) return 1; + if (*str > 0xf4) return 4; + if (*str == 0xf0 && (str[1] < 0x90 || str[1] > 0xbf)) return 4; + if (*str == 0xf4 && str[1] > 0x8f) return 4; // str[1] < 0x80 is checked below + c = (unsigned int)((*str++ & 0x07) << 18); + if ((*str & 0xc0) != 0x80) return 4; + c += (unsigned int)((*str++ & 0x3f) << 12); + if ((*str & 0xc0) != 0x80) return 4; + c += (unsigned int)((*str++ & 0x3f) << 6); + if ((*str & 0xc0) != 0x80) return 4; + c += (*str++ & 0x3f); + // utf-8 encodings of values used in surrogate pairs are invalid + if ((c & 0xFFFFF800) == 0xD800) return 4; + // If codepoint does not fit in ImWchar, use replacement character U+FFFD instead + if (c > IM_UNICODE_CODEPOINT_MAX) c = IM_UNICODE_CODEPOINT_INVALID; + *out_char = c; + return 4; + } + *out_char = 0; + return 0; +} + +int ImTextStrFromUtf8(ImWchar* buf, int buf_size, const char* in_text, const char* in_text_end, const char** in_text_remaining) +{ + ImWchar* buf_out = buf; + ImWchar* buf_end = buf + buf_size; + while (buf_out < buf_end-1 && (!in_text_end || in_text < in_text_end) && *in_text) + { + unsigned int c; + in_text += ImTextCharFromUtf8(&c, in_text, in_text_end); + if (c == 0) + break; + *buf_out++ = (ImWchar)c; + } + *buf_out = 0; + if (in_text_remaining) + *in_text_remaining = in_text; + return (int)(buf_out - buf); +} + +int ImTextCountCharsFromUtf8(const char* in_text, const char* in_text_end) +{ + int char_count = 0; + while ((!in_text_end || in_text < in_text_end) && *in_text) + { + unsigned int c; + in_text += ImTextCharFromUtf8(&c, in_text, in_text_end); + if (c == 0) + break; + char_count++; + } + return char_count; +} + +// Based on stb_to_utf8() from github.com/nothings/stb/ +static inline int ImTextCharToUtf8(char* buf, int buf_size, unsigned int c) +{ + if (c < 0x80) + { + buf[0] = (char)c; + return 1; + } + if (c < 0x800) + { + if (buf_size < 2) return 0; + buf[0] = (char)(0xc0 + (c >> 6)); + buf[1] = (char)(0x80 + (c & 0x3f)); + return 2; + } + if (c < 0x10000) + { + if (buf_size < 3) return 0; + buf[0] = (char)(0xe0 + (c >> 12)); + buf[1] = (char)(0x80 + ((c>> 6) & 0x3f)); + buf[2] = (char)(0x80 + ((c ) & 0x3f)); + return 3; + } + if (c <= 0x10FFFF) + { + if (buf_size < 4) return 0; + buf[0] = (char)(0xf0 + (c >> 18)); + buf[1] = (char)(0x80 + ((c >> 12) & 0x3f)); + buf[2] = (char)(0x80 + ((c >> 6) & 0x3f)); + buf[3] = (char)(0x80 + ((c ) & 0x3f)); + return 4; + } + // Invalid code point, the max unicode is 0x10FFFF + return 0; +} + +// Not optimal but we very rarely use this function. +int ImTextCountUtf8BytesFromChar(const char* in_text, const char* in_text_end) +{ + unsigned int dummy = 0; + return ImTextCharFromUtf8(&dummy, in_text, in_text_end); +} + +static inline int ImTextCountUtf8BytesFromChar(unsigned int c) +{ + if (c < 0x80) return 1; + if (c < 0x800) return 2; + if (c < 0x10000) return 3; + if (c <= 0x10FFFF) return 4; + return 3; +} + +int ImTextStrToUtf8(char* buf, int buf_size, const ImWchar* in_text, const ImWchar* in_text_end) +{ + char* buf_out = buf; + const char* buf_end = buf + buf_size; + while (buf_out < buf_end-1 && (!in_text_end || in_text < in_text_end) && *in_text) + { + unsigned int c = (unsigned int)(*in_text++); + if (c < 0x80) + *buf_out++ = (char)c; + else + buf_out += ImTextCharToUtf8(buf_out, (int)(buf_end-buf_out-1), c); + } + *buf_out = 0; + return (int)(buf_out - buf); +} + +int ImTextCountUtf8BytesFromStr(const ImWchar* in_text, const ImWchar* in_text_end) +{ + int bytes_count = 0; + while ((!in_text_end || in_text < in_text_end) && *in_text) + { + unsigned int c = (unsigned int)(*in_text++); + if (c < 0x80) + bytes_count++; + else + bytes_count += ImTextCountUtf8BytesFromChar(c); + } + return bytes_count; +} + +//----------------------------------------------------------------------------- +// [SECTION] MISC HELPERS/UTILITIES (Color functions) +// Note: The Convert functions are early design which are not consistent with other API. +//----------------------------------------------------------------------------- + +IMGUI_API ImU32 ImAlphaBlendColors(ImU32 col_a, ImU32 col_b) +{ + float t = ((col_b >> IM_COL32_A_SHIFT) & 0xFF) / 255.f; + int r = ImLerp((int)(col_a >> IM_COL32_R_SHIFT) & 0xFF, (int)(col_b >> IM_COL32_R_SHIFT) & 0xFF, t); + int g = ImLerp((int)(col_a >> IM_COL32_G_SHIFT) & 0xFF, (int)(col_b >> IM_COL32_G_SHIFT) & 0xFF, t); + int b = ImLerp((int)(col_a >> IM_COL32_B_SHIFT) & 0xFF, (int)(col_b >> IM_COL32_B_SHIFT) & 0xFF, t); + return IM_COL32(r, g, b, 0xFF); +} + +ImVec4 ImGui::ColorConvertU32ToFloat4(ImU32 in) +{ + float s = 1.0f/255.0f; + return ImVec4( + ((in >> IM_COL32_R_SHIFT) & 0xFF) * s, + ((in >> IM_COL32_G_SHIFT) & 0xFF) * s, + ((in >> IM_COL32_B_SHIFT) & 0xFF) * s, + ((in >> IM_COL32_A_SHIFT) & 0xFF) * s); +} + +ImU32 ImGui::ColorConvertFloat4ToU32(const ImVec4& in) +{ + ImU32 out; + out = ((ImU32)IM_F32_TO_INT8_SAT(in.x)) << IM_COL32_R_SHIFT; + out |= ((ImU32)IM_F32_TO_INT8_SAT(in.y)) << IM_COL32_G_SHIFT; + out |= ((ImU32)IM_F32_TO_INT8_SAT(in.z)) << IM_COL32_B_SHIFT; + out |= ((ImU32)IM_F32_TO_INT8_SAT(in.w)) << IM_COL32_A_SHIFT; + return out; +} + +// Convert rgb floats ([0-1],[0-1],[0-1]) to hsv floats ([0-1],[0-1],[0-1]), from Foley & van Dam p592 +// Optimized http://lolengine.net/blog/2013/01/13/fast-rgb-to-hsv +void ImGui::ColorConvertRGBtoHSV(float r, float g, float b, float& out_h, float& out_s, float& out_v) +{ + float K = 0.f; + if (g < b) + { + ImSwap(g, b); + K = -1.f; + } + if (r < g) + { + ImSwap(r, g); + K = -2.f / 6.f - K; + } + + const float chroma = r - (g < b ? g : b); + out_h = ImFabs(K + (g - b) / (6.f * chroma + 1e-20f)); + out_s = chroma / (r + 1e-20f); + out_v = r; +} + +// Convert hsv floats ([0-1],[0-1],[0-1]) to rgb floats ([0-1],[0-1],[0-1]), from Foley & van Dam p593 +// also http://en.wikipedia.org/wiki/HSL_and_HSV +void ImGui::ColorConvertHSVtoRGB(float h, float s, float v, float& out_r, float& out_g, float& out_b) +{ + if (s == 0.0f) + { + // gray + out_r = out_g = out_b = v; + return; + } + + h = ImFmod(h, 1.0f) / (60.0f/360.0f); + int i = (int)h; + float f = h - (float)i; + float p = v * (1.0f - s); + float q = v * (1.0f - s * f); + float t = v * (1.0f - s * (1.0f - f)); + + switch (i) + { + case 0: out_r = v; out_g = t; out_b = p; break; + case 1: out_r = q; out_g = v; out_b = p; break; + case 2: out_r = p; out_g = v; out_b = t; break; + case 3: out_r = p; out_g = q; out_b = v; break; + case 4: out_r = t; out_g = p; out_b = v; break; + case 5: default: out_r = v; out_g = p; out_b = q; break; + } +} + +//----------------------------------------------------------------------------- +// [SECTION] ImGuiStorage +// Helper: Key->value storage +//----------------------------------------------------------------------------- + +// std::lower_bound but without the bullshit +static ImGuiStorage::ImGuiStoragePair* LowerBound(ImVector& data, ImGuiID key) +{ + ImGuiStorage::ImGuiStoragePair* first = data.Data; + ImGuiStorage::ImGuiStoragePair* last = data.Data + data.Size; + size_t count = (size_t)(last - first); + while (count > 0) + { + size_t count2 = count >> 1; + ImGuiStorage::ImGuiStoragePair* mid = first + count2; + if (mid->key < key) + { + first = ++mid; + count -= count2 + 1; + } + else + { + count = count2; + } + } + return first; +} + +// For quicker full rebuild of a storage (instead of an incremental one), you may add all your contents and then sort once. +void ImGuiStorage::BuildSortByKey() +{ + struct StaticFunc + { + static int IMGUI_CDECL PairCompareByID(const void* lhs, const void* rhs) + { + // We can't just do a subtraction because qsort uses signed integers and subtracting our ID doesn't play well with that. + if (((const ImGuiStoragePair*)lhs)->key > ((const ImGuiStoragePair*)rhs)->key) return +1; + if (((const ImGuiStoragePair*)lhs)->key < ((const ImGuiStoragePair*)rhs)->key) return -1; + return 0; + } + }; + if (Data.Size > 1) + ImQsort(Data.Data, (size_t)Data.Size, sizeof(ImGuiStoragePair), StaticFunc::PairCompareByID); +} + +int ImGuiStorage::GetInt(ImGuiID key, int default_val) const +{ + ImGuiStoragePair* it = LowerBound(const_cast&>(Data), key); + if (it == Data.end() || it->key != key) + return default_val; + return it->val_i; +} + +bool ImGuiStorage::GetBool(ImGuiID key, bool default_val) const +{ + return GetInt(key, default_val ? 1 : 0) != 0; +} + +float ImGuiStorage::GetFloat(ImGuiID key, float default_val) const +{ + ImGuiStoragePair* it = LowerBound(const_cast&>(Data), key); + if (it == Data.end() || it->key != key) + return default_val; + return it->val_f; +} + +void* ImGuiStorage::GetVoidPtr(ImGuiID key) const +{ + ImGuiStoragePair* it = LowerBound(const_cast&>(Data), key); + if (it == Data.end() || it->key != key) + return NULL; + return it->val_p; +} + +// References are only valid until a new value is added to the storage. Calling a Set***() function or a Get***Ref() function invalidates the pointer. +int* ImGuiStorage::GetIntRef(ImGuiID key, int default_val) +{ + ImGuiStoragePair* it = LowerBound(Data, key); + if (it == Data.end() || it->key != key) + it = Data.insert(it, ImGuiStoragePair(key, default_val)); + return &it->val_i; +} + +bool* ImGuiStorage::GetBoolRef(ImGuiID key, bool default_val) +{ + return (bool*)GetIntRef(key, default_val ? 1 : 0); +} + +float* ImGuiStorage::GetFloatRef(ImGuiID key, float default_val) +{ + ImGuiStoragePair* it = LowerBound(Data, key); + if (it == Data.end() || it->key != key) + it = Data.insert(it, ImGuiStoragePair(key, default_val)); + return &it->val_f; +} + +void** ImGuiStorage::GetVoidPtrRef(ImGuiID key, void* default_val) +{ + ImGuiStoragePair* it = LowerBound(Data, key); + if (it == Data.end() || it->key != key) + it = Data.insert(it, ImGuiStoragePair(key, default_val)); + return &it->val_p; +} + +// FIXME-OPT: Need a way to reuse the result of lower_bound when doing GetInt()/SetInt() - not too bad because it only happens on explicit interaction (maximum one a frame) +void ImGuiStorage::SetInt(ImGuiID key, int val) +{ + ImGuiStoragePair* it = LowerBound(Data, key); + if (it == Data.end() || it->key != key) + { + Data.insert(it, ImGuiStoragePair(key, val)); + return; + } + it->val_i = val; +} + +void ImGuiStorage::SetBool(ImGuiID key, bool val) +{ + SetInt(key, val ? 1 : 0); +} + +void ImGuiStorage::SetFloat(ImGuiID key, float val) +{ + ImGuiStoragePair* it = LowerBound(Data, key); + if (it == Data.end() || it->key != key) + { + Data.insert(it, ImGuiStoragePair(key, val)); + return; + } + it->val_f = val; +} + +void ImGuiStorage::SetVoidPtr(ImGuiID key, void* val) +{ + ImGuiStoragePair* it = LowerBound(Data, key); + if (it == Data.end() || it->key != key) + { + Data.insert(it, ImGuiStoragePair(key, val)); + return; + } + it->val_p = val; +} + +void ImGuiStorage::SetAllInt(int v) +{ + for (int i = 0; i < Data.Size; i++) + Data[i].val_i = v; +} + +//----------------------------------------------------------------------------- +// [SECTION] ImGuiTextFilter +//----------------------------------------------------------------------------- + +// Helper: Parse and apply text filters. In format "aaaaa[,bbbb][,ccccc]" +ImGuiTextFilter::ImGuiTextFilter(const char* default_filter) +{ + if (default_filter) + { + ImStrncpy(InputBuf, default_filter, IM_ARRAYSIZE(InputBuf)); + Build(); + } + else + { + InputBuf[0] = 0; + CountGrep = 0; + } +} + +bool ImGuiTextFilter::Draw(const char* label, float width) +{ + if (width != 0.0f) + ImGui::SetNextItemWidth(width); + bool value_changed = ImGui::InputText(label, InputBuf, IM_ARRAYSIZE(InputBuf)); + if (value_changed) + Build(); + return value_changed; +} + +void ImGuiTextFilter::ImGuiTextRange::split(char separator, ImVector* out) const +{ + out->resize(0); + const char* wb = b; + const char* we = wb; + while (we < e) + { + if (*we == separator) + { + out->push_back(ImGuiTextRange(wb, we)); + wb = we + 1; + } + we++; + } + if (wb != we) + out->push_back(ImGuiTextRange(wb, we)); +} + +void ImGuiTextFilter::Build() +{ + Filters.resize(0); + ImGuiTextRange input_range(InputBuf, InputBuf+strlen(InputBuf)); + input_range.split(',', &Filters); + + CountGrep = 0; + for (int i = 0; i != Filters.Size; i++) + { + ImGuiTextRange& f = Filters[i]; + while (f.b < f.e && ImCharIsBlankA(f.b[0])) + f.b++; + while (f.e > f.b && ImCharIsBlankA(f.e[-1])) + f.e--; + if (f.empty()) + continue; + if (Filters[i].b[0] != '-') + CountGrep += 1; + } +} + +bool ImGuiTextFilter::PassFilter(const char* text, const char* text_end) const +{ + if (Filters.empty()) + return true; + + if (text == NULL) + text = ""; + + for (int i = 0; i != Filters.Size; i++) + { + const ImGuiTextRange& f = Filters[i]; + if (f.empty()) + continue; + if (f.b[0] == '-') + { + // Subtract + if (ImStristr(text, text_end, f.b + 1, f.e) != NULL) + return false; + } + else + { + // Grep + if (ImStristr(text, text_end, f.b, f.e) != NULL) + return true; + } + } + + // Implicit * grep + if (CountGrep == 0) + return true; + + return false; +} + +//----------------------------------------------------------------------------- +// [SECTION] ImGuiTextBuffer +//----------------------------------------------------------------------------- + +// On some platform vsnprintf() takes va_list by reference and modifies it. +// va_copy is the 'correct' way to copy a va_list but Visual Studio prior to 2013 doesn't have it. +#ifndef va_copy +#if defined(__GNUC__) || defined(__clang__) +#define va_copy(dest, src) __builtin_va_copy(dest, src) +#else +#define va_copy(dest, src) (dest = src) +#endif +#endif + +char ImGuiTextBuffer::EmptyString[1] = { 0 }; + +void ImGuiTextBuffer::append(const char* str, const char* str_end) +{ + int len = str_end ? (int)(str_end - str) : (int)strlen(str); + + // Add zero-terminator the first time + const int write_off = (Buf.Size != 0) ? Buf.Size : 1; + const int needed_sz = write_off + len; + if (write_off + len >= Buf.Capacity) + { + int new_capacity = Buf.Capacity * 2; + Buf.reserve(needed_sz > new_capacity ? needed_sz : new_capacity); + } + + Buf.resize(needed_sz); + memcpy(&Buf[write_off - 1], str, (size_t)len); + Buf[write_off - 1 + len] = 0; +} + +void ImGuiTextBuffer::appendf(const char* fmt, ...) +{ + va_list args; + va_start(args, fmt); + appendfv(fmt, args); + va_end(args); +} + +// Helper: Text buffer for logging/accumulating text +void ImGuiTextBuffer::appendfv(const char* fmt, va_list args) +{ + va_list args_copy; + va_copy(args_copy, args); + + int len = ImFormatStringV(NULL, 0, fmt, args); // FIXME-OPT: could do a first pass write attempt, likely successful on first pass. + if (len <= 0) + { + va_end(args_copy); + return; + } + + // Add zero-terminator the first time + const int write_off = (Buf.Size != 0) ? Buf.Size : 1; + const int needed_sz = write_off + len; + if (write_off + len >= Buf.Capacity) + { + int new_capacity = Buf.Capacity * 2; + Buf.reserve(needed_sz > new_capacity ? needed_sz : new_capacity); + } + + Buf.resize(needed_sz); + ImFormatStringV(&Buf[write_off - 1], (size_t)len + 1, fmt, args_copy); + va_end(args_copy); +} + +//----------------------------------------------------------------------------- +// [SECTION] ImGuiListClipper +// This is currently not as flexible/powerful as it should be and really confusing/spaghetti, mostly because we changed +// the API mid-way through development and support two ways to using the clipper, needs some rework (see TODO) +//----------------------------------------------------------------------------- + +// Helper to calculate coarse clipping of large list of evenly sized items. +// NB: Prefer using the ImGuiListClipper higher-level helper if you can! Read comments and instructions there on how those use this sort of pattern. +// NB: 'items_count' is only used to clamp the result, if you don't know your count you can use INT_MAX +void ImGui::CalcListClipping(int items_count, float items_height, int* out_items_display_start, int* out_items_display_end) +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + if (g.LogEnabled) + { + // If logging is active, do not perform any clipping + *out_items_display_start = 0; + *out_items_display_end = items_count; + return; + } + if (window->SkipItems) + { + *out_items_display_start = *out_items_display_end = 0; + return; + } + + // We create the union of the ClipRect and the NavScoringRect which at worst should be 1 page away from ClipRect + ImRect unclipped_rect = window->ClipRect; + if (g.NavMoveRequest) + unclipped_rect.Add(g.NavScoringRectScreen); + + const ImVec2 pos = window->DC.CursorPos; + int start = (int)((unclipped_rect.Min.y - pos.y) / items_height); + int end = (int)((unclipped_rect.Max.y - pos.y) / items_height); + + // When performing a navigation request, ensure we have one item extra in the direction we are moving to + if (g.NavMoveRequest && g.NavMoveClipDir == ImGuiDir_Up) + start--; + if (g.NavMoveRequest && g.NavMoveClipDir == ImGuiDir_Down) + end++; + + start = ImClamp(start, 0, items_count); + end = ImClamp(end + 1, start, items_count); + *out_items_display_start = start; + *out_items_display_end = end; +} + +static void SetCursorPosYAndSetupDummyPrevLine(float pos_y, float line_height) +{ + // Set cursor position and a few other things so that SetScrollHereY() and Columns() can work when seeking cursor. + // FIXME: It is problematic that we have to do that here, because custom/equivalent end-user code would stumble on the same issue. + // The clipper should probably have a 4th step to display the last item in a regular manner. + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + window->DC.CursorPos.y = pos_y; + window->DC.CursorMaxPos.y = ImMax(window->DC.CursorMaxPos.y, pos_y); + window->DC.CursorPosPrevLine.y = window->DC.CursorPos.y - line_height; // Setting those fields so that SetScrollHereY() can properly function after the end of our clipper usage. + window->DC.PrevLineSize.y = (line_height - g.Style.ItemSpacing.y); // If we end up needing more accurate data (to e.g. use SameLine) we may as well make the clipper have a fourth step to let user process and display the last item in their list. + if (ImGuiColumns* columns = window->DC.CurrentColumns) + columns->LineMinY = window->DC.CursorPos.y; // Setting this so that cell Y position are set properly +} + +// Use case A: Begin() called from constructor with items_height<0, then called again from Sync() in StepNo 1 +// Use case B: Begin() called from constructor with items_height>0 +// FIXME-LEGACY: Ideally we should remove the Begin/End functions but they are part of the legacy API we still support. This is why some of the code in Step() calling Begin() and reassign some fields, spaghetti style. +void ImGuiListClipper::Begin(int count, float items_height) +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + + StartPosY = window->DC.CursorPos.y; + ItemsHeight = items_height; + ItemsCount = count; + StepNo = 0; + DisplayEnd = DisplayStart = -1; + if (ItemsHeight > 0.0f) + { + ImGui::CalcListClipping(ItemsCount, ItemsHeight, &DisplayStart, &DisplayEnd); // calculate how many to clip/display + if (DisplayStart > 0) + SetCursorPosYAndSetupDummyPrevLine(StartPosY + DisplayStart * ItemsHeight, ItemsHeight); // advance cursor + StepNo = 2; + } +} + +void ImGuiListClipper::End() +{ + if (ItemsCount < 0) + return; + // In theory here we should assert that ImGui::GetCursorPosY() == StartPosY + DisplayEnd * ItemsHeight, but it feels saner to just seek at the end and not assert/crash the user. + if (ItemsCount < INT_MAX) + SetCursorPosYAndSetupDummyPrevLine(StartPosY + ItemsCount * ItemsHeight, ItemsHeight); // advance cursor + ItemsCount = -1; + StepNo = 3; +} + +bool ImGuiListClipper::Step() +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + + if (ItemsCount == 0 || window->SkipItems) + { + ItemsCount = -1; + return false; + } + if (StepNo == 0) // Step 0: the clipper let you process the first element, regardless of it being visible or not, so we can measure the element height. + { + DisplayStart = 0; + DisplayEnd = 1; + StartPosY = window->DC.CursorPos.y; + StepNo = 1; + return true; + } + if (StepNo == 1) // Step 1: the clipper infer height from first element, calculate the actual range of elements to display, and position the cursor before the first element. + { + if (ItemsCount == 1) { ItemsCount = -1; return false; } + float items_height = window->DC.CursorPos.y - StartPosY; + IM_ASSERT(items_height > 0.0f); // If this triggers, it means Item 0 hasn't moved the cursor vertically + Begin(ItemsCount - 1, items_height); + DisplayStart++; + DisplayEnd++; + StepNo = 3; + return true; + } + if (StepNo == 2) // Step 2: dummy step only required if an explicit items_height was passed to constructor or Begin() and user still call Step(). Does nothing and switch to Step 3. + { + IM_ASSERT(DisplayStart >= 0 && DisplayEnd >= 0); + StepNo = 3; + return true; + } + if (StepNo == 3) // Step 3: the clipper validate that we have reached the expected Y position (corresponding to element DisplayEnd), advance the cursor to the end of the list and then returns 'false' to end the loop. + End(); + return false; +} + +//----------------------------------------------------------------------------- +// [SECTION] STYLING +//----------------------------------------------------------------------------- + +ImGuiStyle& ImGui::GetStyle() +{ + IM_ASSERT(GImGui != NULL && "No current context. Did you call ImGui::CreateContext() and ImGui::SetCurrentContext() ?"); + return GImGui->Style; +} + +ImU32 ImGui::GetColorU32(ImGuiCol idx, float alpha_mul) +{ + ImGuiStyle& style = GImGui->Style; + ImVec4 c = style.Colors[idx]; + c.w *= style.Alpha * alpha_mul; + return ColorConvertFloat4ToU32(c); +} + +ImU32 ImGui::GetColorU32(const ImVec4& col) +{ + ImGuiStyle& style = GImGui->Style; + ImVec4 c = col; + c.w *= style.Alpha; + return ColorConvertFloat4ToU32(c); +} + +const ImVec4& ImGui::GetStyleColorVec4(ImGuiCol idx) +{ + ImGuiStyle& style = GImGui->Style; + return style.Colors[idx]; +} + +ImU32 ImGui::GetColorU32(ImU32 col) +{ + ImGuiStyle& style = GImGui->Style; + if (style.Alpha >= 1.0f) + return col; + ImU32 a = (col & IM_COL32_A_MASK) >> IM_COL32_A_SHIFT; + a = (ImU32)(a * style.Alpha); // We don't need to clamp 0..255 because Style.Alpha is in 0..1 range. + return (col & ~IM_COL32_A_MASK) | (a << IM_COL32_A_SHIFT); +} + +// FIXME: This may incur a round-trip (if the end user got their data from a float4) but eventually we aim to store the in-flight colors as ImU32 +void ImGui::PushStyleColor(ImGuiCol idx, ImU32 col) +{ + ImGuiContext& g = *GImGui; + ImGuiColorMod backup; + backup.Col = idx; + backup.BackupValue = g.Style.Colors[idx]; + g.ColorModifiers.push_back(backup); + g.Style.Colors[idx] = ColorConvertU32ToFloat4(col); +} + +void ImGui::PushStyleColor(ImGuiCol idx, const ImVec4& col) +{ + ImGuiContext& g = *GImGui; + ImGuiColorMod backup; + backup.Col = idx; + backup.BackupValue = g.Style.Colors[idx]; + g.ColorModifiers.push_back(backup); + g.Style.Colors[idx] = col; +} + +void ImGui::PopStyleColor(int count) +{ + ImGuiContext& g = *GImGui; + while (count > 0) + { + ImGuiColorMod& backup = g.ColorModifiers.back(); + g.Style.Colors[backup.Col] = backup.BackupValue; + g.ColorModifiers.pop_back(); + count--; + } +} + +struct ImGuiStyleVarInfo +{ + ImGuiDataType Type; + ImU32 Count; + ImU32 Offset; + void* GetVarPtr(ImGuiStyle* style) const { return (void*)((unsigned char*)style + Offset); } +}; + +static const ImGuiStyleVarInfo GStyleVarInfo[] = +{ + { ImGuiDataType_Float, 1, (ImU32)IM_OFFSETOF(ImGuiStyle, Alpha) }, // ImGuiStyleVar_Alpha + { ImGuiDataType_Float, 2, (ImU32)IM_OFFSETOF(ImGuiStyle, WindowPadding) }, // ImGuiStyleVar_WindowPadding + { ImGuiDataType_Float, 1, (ImU32)IM_OFFSETOF(ImGuiStyle, WindowRounding) }, // ImGuiStyleVar_WindowRounding + { ImGuiDataType_Float, 1, (ImU32)IM_OFFSETOF(ImGuiStyle, WindowBorderSize) }, // ImGuiStyleVar_WindowBorderSize + { ImGuiDataType_Float, 2, (ImU32)IM_OFFSETOF(ImGuiStyle, WindowMinSize) }, // ImGuiStyleVar_WindowMinSize + { ImGuiDataType_Float, 2, (ImU32)IM_OFFSETOF(ImGuiStyle, WindowTitleAlign) }, // ImGuiStyleVar_WindowTitleAlign + { ImGuiDataType_Float, 1, (ImU32)IM_OFFSETOF(ImGuiStyle, ChildRounding) }, // ImGuiStyleVar_ChildRounding + { ImGuiDataType_Float, 1, (ImU32)IM_OFFSETOF(ImGuiStyle, ChildBorderSize) }, // ImGuiStyleVar_ChildBorderSize + { ImGuiDataType_Float, 1, (ImU32)IM_OFFSETOF(ImGuiStyle, PopupRounding) }, // ImGuiStyleVar_PopupRounding + { ImGuiDataType_Float, 1, (ImU32)IM_OFFSETOF(ImGuiStyle, PopupBorderSize) }, // ImGuiStyleVar_PopupBorderSize + { ImGuiDataType_Float, 2, (ImU32)IM_OFFSETOF(ImGuiStyle, FramePadding) }, // ImGuiStyleVar_FramePadding + { ImGuiDataType_Float, 1, (ImU32)IM_OFFSETOF(ImGuiStyle, FrameRounding) }, // ImGuiStyleVar_FrameRounding + { ImGuiDataType_Float, 1, (ImU32)IM_OFFSETOF(ImGuiStyle, FrameBorderSize) }, // ImGuiStyleVar_FrameBorderSize + { ImGuiDataType_Float, 2, (ImU32)IM_OFFSETOF(ImGuiStyle, ItemSpacing) }, // ImGuiStyleVar_ItemSpacing + { ImGuiDataType_Float, 2, (ImU32)IM_OFFSETOF(ImGuiStyle, ItemInnerSpacing) }, // ImGuiStyleVar_ItemInnerSpacing + { ImGuiDataType_Float, 1, (ImU32)IM_OFFSETOF(ImGuiStyle, IndentSpacing) }, // ImGuiStyleVar_IndentSpacing + { ImGuiDataType_Float, 1, (ImU32)IM_OFFSETOF(ImGuiStyle, ScrollbarSize) }, // ImGuiStyleVar_ScrollbarSize + { ImGuiDataType_Float, 1, (ImU32)IM_OFFSETOF(ImGuiStyle, ScrollbarRounding) }, // ImGuiStyleVar_ScrollbarRounding + { ImGuiDataType_Float, 1, (ImU32)IM_OFFSETOF(ImGuiStyle, GrabMinSize) }, // ImGuiStyleVar_GrabMinSize + { ImGuiDataType_Float, 1, (ImU32)IM_OFFSETOF(ImGuiStyle, GrabRounding) }, // ImGuiStyleVar_GrabRounding + { ImGuiDataType_Float, 1, (ImU32)IM_OFFSETOF(ImGuiStyle, TabRounding) }, // ImGuiStyleVar_TabRounding + { ImGuiDataType_Float, 2, (ImU32)IM_OFFSETOF(ImGuiStyle, ButtonTextAlign) }, // ImGuiStyleVar_ButtonTextAlign + { ImGuiDataType_Float, 2, (ImU32)IM_OFFSETOF(ImGuiStyle, SelectableTextAlign) }, // ImGuiStyleVar_SelectableTextAlign +}; + +static const ImGuiStyleVarInfo* GetStyleVarInfo(ImGuiStyleVar idx) +{ + IM_ASSERT(idx >= 0 && idx < ImGuiStyleVar_COUNT); + IM_ASSERT(IM_ARRAYSIZE(GStyleVarInfo) == ImGuiStyleVar_COUNT); + return &GStyleVarInfo[idx]; +} + +void ImGui::PushStyleVar(ImGuiStyleVar idx, float val) +{ + const ImGuiStyleVarInfo* var_info = GetStyleVarInfo(idx); + if (var_info->Type == ImGuiDataType_Float && var_info->Count == 1) + { + ImGuiContext& g = *GImGui; + float* pvar = (float*)var_info->GetVarPtr(&g.Style); + g.StyleModifiers.push_back(ImGuiStyleMod(idx, *pvar)); + *pvar = val; + return; + } + IM_ASSERT(0 && "Called PushStyleVar() float variant but variable is not a float!"); +} + +void ImGui::PushStyleVar(ImGuiStyleVar idx, const ImVec2& val) +{ + const ImGuiStyleVarInfo* var_info = GetStyleVarInfo(idx); + if (var_info->Type == ImGuiDataType_Float && var_info->Count == 2) + { + ImGuiContext& g = *GImGui; + ImVec2* pvar = (ImVec2*)var_info->GetVarPtr(&g.Style); + g.StyleModifiers.push_back(ImGuiStyleMod(idx, *pvar)); + *pvar = val; + return; + } + IM_ASSERT(0 && "Called PushStyleVar() ImVec2 variant but variable is not a ImVec2!"); +} + +void ImGui::PopStyleVar(int count) +{ + ImGuiContext& g = *GImGui; + while (count > 0) + { + // We avoid a generic memcpy(data, &backup.Backup.., GDataTypeSize[info->Type] * info->Count), the overhead in Debug is not worth it. + ImGuiStyleMod& backup = g.StyleModifiers.back(); + const ImGuiStyleVarInfo* info = GetStyleVarInfo(backup.VarIdx); + void* data = info->GetVarPtr(&g.Style); + if (info->Type == ImGuiDataType_Float && info->Count == 1) { ((float*)data)[0] = backup.BackupFloat[0]; } + else if (info->Type == ImGuiDataType_Float && info->Count == 2) { ((float*)data)[0] = backup.BackupFloat[0]; ((float*)data)[1] = backup.BackupFloat[1]; } + g.StyleModifiers.pop_back(); + count--; + } +} + +const char* ImGui::GetStyleColorName(ImGuiCol idx) +{ + // Create switch-case from enum with regexp: ImGuiCol_{.*}, --> case ImGuiCol_\1: return "\1"; + switch (idx) + { + case ImGuiCol_Text: return "Text"; + case ImGuiCol_TextDisabled: return "TextDisabled"; + case ImGuiCol_WindowBg: return "WindowBg"; + case ImGuiCol_ChildBg: return "ChildBg"; + case ImGuiCol_PopupBg: return "PopupBg"; + case ImGuiCol_Border: return "Border"; + case ImGuiCol_BorderShadow: return "BorderShadow"; + case ImGuiCol_FrameBg: return "FrameBg"; + case ImGuiCol_FrameBgHovered: return "FrameBgHovered"; + case ImGuiCol_FrameBgActive: return "FrameBgActive"; + case ImGuiCol_TitleBg: return "TitleBg"; + case ImGuiCol_TitleBgActive: return "TitleBgActive"; + case ImGuiCol_TitleBgCollapsed: return "TitleBgCollapsed"; + case ImGuiCol_MenuBarBg: return "MenuBarBg"; + case ImGuiCol_ScrollbarBg: return "ScrollbarBg"; + case ImGuiCol_ScrollbarGrab: return "ScrollbarGrab"; + case ImGuiCol_ScrollbarGrabHovered: return "ScrollbarGrabHovered"; + case ImGuiCol_ScrollbarGrabActive: return "ScrollbarGrabActive"; + case ImGuiCol_CheckMark: return "CheckMark"; + case ImGuiCol_SliderGrab: return "SliderGrab"; + case ImGuiCol_SliderGrabActive: return "SliderGrabActive"; + case ImGuiCol_Button: return "Button"; + case ImGuiCol_ButtonHovered: return "ButtonHovered"; + case ImGuiCol_ButtonActive: return "ButtonActive"; + case ImGuiCol_Header: return "Header"; + case ImGuiCol_HeaderHovered: return "HeaderHovered"; + case ImGuiCol_HeaderActive: return "HeaderActive"; + case ImGuiCol_Separator: return "Separator"; + case ImGuiCol_SeparatorHovered: return "SeparatorHovered"; + case ImGuiCol_SeparatorActive: return "SeparatorActive"; + case ImGuiCol_ResizeGrip: return "ResizeGrip"; + case ImGuiCol_ResizeGripHovered: return "ResizeGripHovered"; + case ImGuiCol_ResizeGripActive: return "ResizeGripActive"; + case ImGuiCol_Tab: return "Tab"; + case ImGuiCol_TabHovered: return "TabHovered"; + case ImGuiCol_TabActive: return "TabActive"; + case ImGuiCol_TabUnfocused: return "TabUnfocused"; + case ImGuiCol_TabUnfocusedActive: return "TabUnfocusedActive"; + case ImGuiCol_PlotLines: return "PlotLines"; + case ImGuiCol_PlotLinesHovered: return "PlotLinesHovered"; + case ImGuiCol_PlotHistogram: return "PlotHistogram"; + case ImGuiCol_PlotHistogramHovered: return "PlotHistogramHovered"; + case ImGuiCol_TextSelectedBg: return "TextSelectedBg"; + case ImGuiCol_DragDropTarget: return "DragDropTarget"; + case ImGuiCol_NavHighlight: return "NavHighlight"; + case ImGuiCol_NavWindowingHighlight: return "NavWindowingHighlight"; + case ImGuiCol_NavWindowingDimBg: return "NavWindowingDimBg"; + case ImGuiCol_ModalWindowDimBg: return "ModalWindowDimBg"; + } + IM_ASSERT(0); + return "Unknown"; +} + +//----------------------------------------------------------------------------- +// [SECTION] RENDER HELPERS +// Some of those (internal) functions are currently quite a legacy mess - their signature and behavior will change, +// we need a nicer separation between low-level functions and high-level functions relying on the ImGui context. +// Also see imgui_draw.cpp for some more which have been reworked to not rely on ImGui:: context. +//----------------------------------------------------------------------------- + +const char* ImGui::FindRenderedTextEnd(const char* text, const char* text_end) +{ + const char* text_display_end = text; + if (!text_end) + text_end = (const char*)-1; + + while (text_display_end < text_end && *text_display_end != '\0' && (text_display_end[0] != '#' || text_display_end[1] != '#')) + text_display_end++; + return text_display_end; +} + +// Internal ImGui functions to render text +// RenderText***() functions calls ImDrawList::AddText() calls ImBitmapFont::RenderText() +void ImGui::RenderText(ImVec2 pos, const char* text, const char* text_end, bool hide_text_after_hash) +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + + // Hide anything after a '##' string + const char* text_display_end; + if (hide_text_after_hash) + { + text_display_end = FindRenderedTextEnd(text, text_end); + } + else + { + if (!text_end) + text_end = text + strlen(text); // FIXME-OPT + text_display_end = text_end; + } + + if (text != text_display_end) + { + window->DrawList->AddText(g.Font, g.FontSize, pos, GetColorU32(ImGuiCol_Text), text, text_display_end); + if (g.LogEnabled) + LogRenderedText(&pos, text, text_display_end); + } +} + +void ImGui::RenderTextWrapped(ImVec2 pos, const char* text, const char* text_end, float wrap_width) +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + + if (!text_end) + text_end = text + strlen(text); // FIXME-OPT + + if (text != text_end) + { + window->DrawList->AddText(g.Font, g.FontSize, pos, GetColorU32(ImGuiCol_Text), text, text_end, wrap_width); + if (g.LogEnabled) + LogRenderedText(&pos, text, text_end); + } +} + +// Default clip_rect uses (pos_min,pos_max) +// Handle clipping on CPU immediately (vs typically let the GPU clip the triangles that are overlapping the clipping rectangle edges) +void ImGui::RenderTextClippedEx(ImDrawList* draw_list, const ImVec2& pos_min, const ImVec2& pos_max, const char* text, const char* text_display_end, const ImVec2* text_size_if_known, const ImVec2& align, const ImRect* clip_rect) +{ + // Perform CPU side clipping for single clipped element to avoid using scissor state + ImVec2 pos = pos_min; + const ImVec2 text_size = text_size_if_known ? *text_size_if_known : CalcTextSize(text, text_display_end, false, 0.0f); + + const ImVec2* clip_min = clip_rect ? &clip_rect->Min : &pos_min; + const ImVec2* clip_max = clip_rect ? &clip_rect->Max : &pos_max; + bool need_clipping = (pos.x + text_size.x >= clip_max->x) || (pos.y + text_size.y >= clip_max->y); + if (clip_rect) // If we had no explicit clipping rectangle then pos==clip_min + need_clipping |= (pos.x < clip_min->x) || (pos.y < clip_min->y); + + // Align whole block. We should defer that to the better rendering function when we'll have support for individual line alignment. + if (align.x > 0.0f) pos.x = ImMax(pos.x, pos.x + (pos_max.x - pos.x - text_size.x) * align.x); + if (align.y > 0.0f) pos.y = ImMax(pos.y, pos.y + (pos_max.y - pos.y - text_size.y) * align.y); + + // Render + if (need_clipping) + { + ImVec4 fine_clip_rect(clip_min->x, clip_min->y, clip_max->x, clip_max->y); + draw_list->AddText(NULL, 0.0f, pos, GetColorU32(ImGuiCol_Text), text, text_display_end, 0.0f, &fine_clip_rect); + } + else + { + draw_list->AddText(NULL, 0.0f, pos, GetColorU32(ImGuiCol_Text), text, text_display_end, 0.0f, NULL); + } +} + +void ImGui::RenderTextClipped(const ImVec2& pos_min, const ImVec2& pos_max, const char* text, const char* text_end, const ImVec2* text_size_if_known, const ImVec2& align, const ImRect* clip_rect) +{ + // Hide anything after a '##' string + const char* text_display_end = FindRenderedTextEnd(text, text_end); + const int text_len = (int)(text_display_end - text); + if (text_len == 0) + return; + + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + RenderTextClippedEx(window->DrawList, pos_min, pos_max, text, text_display_end, text_size_if_known, align, clip_rect); + if (g.LogEnabled) + LogRenderedText(&pos_min, text, text_display_end); +} + + +// Another overly complex function until we reorganize everything into a nice all-in-one helper. +// This is made more complex because we have dissociated the layout rectangle (pos_min..pos_max) which define _where_ the ellipsis is, from actual clipping of text and limit of the ellipsis display. +// This is because in the context of tabs we selectively hide part of the text when the Close Button appears, but we don't want the ellipsis to move. +void ImGui::RenderTextEllipsis(ImDrawList* draw_list, const ImVec2& pos_min, const ImVec2& pos_max, float clip_max_x, float ellipsis_max_x, const char* text, const char* text_end_full, const ImVec2* text_size_if_known) +{ + ImGuiContext& g = *GImGui; + if (text_end_full == NULL) + text_end_full = FindRenderedTextEnd(text); + const ImVec2 text_size = text_size_if_known ? *text_size_if_known : CalcTextSize(text, text_end_full, false, 0.0f); + + //draw_list->AddLine(ImVec2(pos_max.x, pos_min.y - 4), ImVec2(pos_max.x, pos_max.y + 4), IM_COL32(0, 0, 255, 255)); + //draw_list->AddLine(ImVec2(ellipsis_max_x, pos_min.y-2), ImVec2(ellipsis_max_x, pos_max.y+2), IM_COL32(0, 255, 0, 255)); + //draw_list->AddLine(ImVec2(clip_max_x, pos_min.y), ImVec2(clip_max_x, pos_max.y), IM_COL32(255, 0, 0, 255)); + // FIXME: We could technically remove (last_glyph->AdvanceX - last_glyph->X1) from text_size.x here and save a few pixels. + if (text_size.x > pos_max.x - pos_min.x) + { + // Hello wo... + // | | | + // min max ellipsis_max + // <-> this is generally some padding value + + const ImFont* font = draw_list->_Data->Font; + const float font_size = draw_list->_Data->FontSize; + const char* text_end_ellipsis = NULL; + + ImWchar ellipsis_char = font->EllipsisChar; + int ellipsis_char_count = 1; + if (ellipsis_char == (ImWchar)-1) + { + ellipsis_char = (ImWchar)'.'; + ellipsis_char_count = 3; + } + const ImFontGlyph* glyph = font->FindGlyph(ellipsis_char); + + float ellipsis_glyph_width = glyph->X1; // Width of the glyph with no padding on either side + float ellipsis_total_width = ellipsis_glyph_width; // Full width of entire ellipsis + + if (ellipsis_char_count > 1) + { + // Full ellipsis size without free spacing after it. + const float spacing_between_dots = 1.0f * (draw_list->_Data->FontSize / font->FontSize); + ellipsis_glyph_width = glyph->X1 - glyph->X0 + spacing_between_dots; + ellipsis_total_width = ellipsis_glyph_width * (float)ellipsis_char_count - spacing_between_dots; + } + + // We can now claim the space between pos_max.x and ellipsis_max.x + const float text_avail_width = ImMax((ImMax(pos_max.x, ellipsis_max_x) - ellipsis_total_width) - pos_min.x, 1.0f); + float text_size_clipped_x = font->CalcTextSizeA(font_size, text_avail_width, 0.0f, text, text_end_full, &text_end_ellipsis).x; + if (text == text_end_ellipsis && text_end_ellipsis < text_end_full) + { + // Always display at least 1 character if there's no room for character + ellipsis + text_end_ellipsis = text + ImTextCountUtf8BytesFromChar(text, text_end_full); + text_size_clipped_x = font->CalcTextSizeA(font_size, FLT_MAX, 0.0f, text, text_end_ellipsis).x; + } + while (text_end_ellipsis > text && ImCharIsBlankA(text_end_ellipsis[-1])) + { + // Trim trailing space before ellipsis (FIXME: Supporting non-ascii blanks would be nice, for this we need a function to backtrack in UTF-8 text) + text_end_ellipsis--; + text_size_clipped_x -= font->CalcTextSizeA(font_size, FLT_MAX, 0.0f, text_end_ellipsis, text_end_ellipsis + 1).x; // Ascii blanks are always 1 byte + } + + // Render text, render ellipsis + RenderTextClippedEx(draw_list, pos_min, ImVec2(clip_max_x, pos_max.y), text, text_end_ellipsis, &text_size, ImVec2(0.0f, 0.0f)); + float ellipsis_x = pos_min.x + text_size_clipped_x; + if (ellipsis_x + ellipsis_total_width <= ellipsis_max_x) + for (int i = 0; i < ellipsis_char_count; i++) + { + font->RenderChar(draw_list, font_size, ImVec2(ellipsis_x, pos_min.y), GetColorU32(ImGuiCol_Text), ellipsis_char); + ellipsis_x += ellipsis_glyph_width; + } + } + else + { + RenderTextClippedEx(draw_list, pos_min, ImVec2(clip_max_x, pos_max.y), text, text_end_full, &text_size, ImVec2(0.0f, 0.0f)); + } + + if (g.LogEnabled) + LogRenderedText(&pos_min, text, text_end_full); +} + +// Render a rectangle shaped with optional rounding and borders +void ImGui::RenderFrame(ImVec2 p_min, ImVec2 p_max, ImU32 fill_col, bool border, float rounding) +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + window->DrawList->AddRectFilled(p_min, p_max, fill_col, rounding); + const float border_size = g.Style.FrameBorderSize; + if (border && border_size > 0.0f) + { + window->DrawList->AddRect(p_min+ImVec2(1,1), p_max+ImVec2(1,1), GetColorU32(ImGuiCol_BorderShadow), rounding, ImDrawCornerFlags_All, border_size); + window->DrawList->AddRect(p_min, p_max, GetColorU32(ImGuiCol_Border), rounding, ImDrawCornerFlags_All, border_size); + } +} + +void ImGui::RenderFrameBorder(ImVec2 p_min, ImVec2 p_max, float rounding) +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + const float border_size = g.Style.FrameBorderSize; + if (border_size > 0.0f) + { + window->DrawList->AddRect(p_min+ImVec2(1,1), p_max+ImVec2(1,1), GetColorU32(ImGuiCol_BorderShadow), rounding, ImDrawCornerFlags_All, border_size); + window->DrawList->AddRect(p_min, p_max, GetColorU32(ImGuiCol_Border), rounding, ImDrawCornerFlags_All, border_size); + } +} + +void ImGui::RenderNavHighlight(const ImRect& bb, ImGuiID id, ImGuiNavHighlightFlags flags) +{ + ImGuiContext& g = *GImGui; + if (id != g.NavId) + return; + if (g.NavDisableHighlight && !(flags & ImGuiNavHighlightFlags_AlwaysDraw)) + return; + ImGuiWindow* window = g.CurrentWindow; + if (window->DC.NavHideHighlightOneFrame) + return; + + float rounding = (flags & ImGuiNavHighlightFlags_NoRounding) ? 0.0f : g.Style.FrameRounding; + ImRect display_rect = bb; + display_rect.ClipWith(window->ClipRect); + if (flags & ImGuiNavHighlightFlags_TypeDefault) + { + const float THICKNESS = 2.0f; + const float DISTANCE = 3.0f + THICKNESS * 0.5f; + display_rect.Expand(ImVec2(DISTANCE,DISTANCE)); + bool fully_visible = window->ClipRect.Contains(display_rect); + if (!fully_visible) + window->DrawList->PushClipRect(display_rect.Min, display_rect.Max); + window->DrawList->AddRect(display_rect.Min + ImVec2(THICKNESS*0.5f,THICKNESS*0.5f), display_rect.Max - ImVec2(THICKNESS*0.5f,THICKNESS*0.5f), GetColorU32(ImGuiCol_NavHighlight), rounding, ImDrawCornerFlags_All, THICKNESS); + if (!fully_visible) + window->DrawList->PopClipRect(); + } + if (flags & ImGuiNavHighlightFlags_TypeThin) + { + window->DrawList->AddRect(display_rect.Min, display_rect.Max, GetColorU32(ImGuiCol_NavHighlight), rounding, ~0, 1.0f); + } +} + +//----------------------------------------------------------------------------- +// [SECTION] MAIN CODE (most of the code! lots of stuff, needs tidying up!) +//----------------------------------------------------------------------------- + +// ImGuiWindow is mostly a dumb struct. It merely has a constructor and a few helper methods +ImGuiWindow::ImGuiWindow(ImGuiContext* context, const char* name) + : DrawListInst(&context->DrawListSharedData) +{ + Name = ImStrdup(name); + ID = ImHashStr(name); + IDStack.push_back(ID); + Flags = ImGuiWindowFlags_None; + Pos = ImVec2(0.0f, 0.0f); + Size = SizeFull = ImVec2(0.0f, 0.0f); + ContentSize = ContentSizeExplicit = ImVec2(0.0f, 0.0f); + WindowPadding = ImVec2(0.0f, 0.0f); + WindowRounding = 0.0f; + WindowBorderSize = 0.0f; + NameBufLen = (int)strlen(name) + 1; + MoveId = GetID("#MOVE"); + ChildId = 0; + Scroll = ImVec2(0.0f, 0.0f); + ScrollTarget = ImVec2(FLT_MAX, FLT_MAX); + ScrollTargetCenterRatio = ImVec2(0.5f, 0.5f); + ScrollbarSizes = ImVec2(0.0f, 0.0f); + ScrollbarX = ScrollbarY = false; + Active = WasActive = false; + WriteAccessed = false; + Collapsed = false; + WantCollapseToggle = false; + SkipItems = false; + Appearing = false; + Hidden = false; + IsFallbackWindow = false; + HasCloseButton = false; + ResizeBorderHeld = -1; + BeginCount = 0; + BeginOrderWithinParent = -1; + BeginOrderWithinContext = -1; + PopupId = 0; + AutoFitFramesX = AutoFitFramesY = -1; + AutoFitChildAxises = 0x00; + AutoFitOnlyGrows = false; + AutoPosLastDirection = ImGuiDir_None; + HiddenFramesCanSkipItems = HiddenFramesCannotSkipItems = 0; + SetWindowPosAllowFlags = SetWindowSizeAllowFlags = SetWindowCollapsedAllowFlags = ImGuiCond_Always | ImGuiCond_Once | ImGuiCond_FirstUseEver | ImGuiCond_Appearing; + SetWindowPosVal = SetWindowPosPivot = ImVec2(FLT_MAX, FLT_MAX); + + InnerRect = ImRect(0.0f, 0.0f, 0.0f, 0.0f); // Clear so the InnerRect.GetSize() code in Begin() doesn't lead to overflow even if the result isn't used. + + LastFrameActive = -1; + LastTimeActive = -1.0f; + ItemWidthDefault = 0.0f; + FontWindowScale = 1.0f; + SettingsOffset = -1; + + DrawList = &DrawListInst; + DrawList->_OwnerName = Name; + ParentWindow = NULL; + RootWindow = NULL; + RootWindowForTitleBarHighlight = NULL; + RootWindowForNav = NULL; + + NavLastIds[0] = NavLastIds[1] = 0; + NavRectRel[0] = NavRectRel[1] = ImRect(); + NavLastChildNavWindow = NULL; + + MemoryCompacted = false; + MemoryDrawListIdxCapacity = MemoryDrawListVtxCapacity = 0; +} + +ImGuiWindow::~ImGuiWindow() +{ + IM_ASSERT(DrawList == &DrawListInst); + IM_DELETE(Name); + for (int i = 0; i != ColumnsStorage.Size; i++) + ColumnsStorage[i].~ImGuiColumns(); +} + +ImGuiID ImGuiWindow::GetID(const char* str, const char* str_end) +{ + ImGuiID seed = IDStack.back(); + ImGuiID id = ImHashStr(str, str_end ? (str_end - str) : 0, seed); + ImGui::KeepAliveID(id); + return id; +} + +ImGuiID ImGuiWindow::GetID(const void* ptr) +{ + ImGuiID seed = IDStack.back(); + ImGuiID id = ImHashData(&ptr, sizeof(void*), seed); + ImGui::KeepAliveID(id); + return id; +} + +ImGuiID ImGuiWindow::GetID(int n) +{ + ImGuiID seed = IDStack.back(); + ImGuiID id = ImHashData(&n, sizeof(n), seed); + ImGui::KeepAliveID(id); + return id; +} + +ImGuiID ImGuiWindow::GetIDNoKeepAlive(const char* str, const char* str_end) +{ + ImGuiID seed = IDStack.back(); + return ImHashStr(str, str_end ? (str_end - str) : 0, seed); +} + +ImGuiID ImGuiWindow::GetIDNoKeepAlive(const void* ptr) +{ + ImGuiID seed = IDStack.back(); + return ImHashData(&ptr, sizeof(void*), seed); +} + +ImGuiID ImGuiWindow::GetIDNoKeepAlive(int n) +{ + ImGuiID seed = IDStack.back(); + return ImHashData(&n, sizeof(n), seed); +} + +// This is only used in rare/specific situations to manufacture an ID out of nowhere. +ImGuiID ImGuiWindow::GetIDFromRectangle(const ImRect& r_abs) +{ + ImGuiID seed = IDStack.back(); + const int r_rel[4] = { (int)(r_abs.Min.x - Pos.x), (int)(r_abs.Min.y - Pos.y), (int)(r_abs.Max.x - Pos.x), (int)(r_abs.Max.y - Pos.y) }; + ImGuiID id = ImHashData(&r_rel, sizeof(r_rel), seed); + ImGui::KeepAliveID(id); + return id; +} + +static void SetCurrentWindow(ImGuiWindow* window) +{ + ImGuiContext& g = *GImGui; + g.CurrentWindow = window; + if (window) + g.FontSize = g.DrawListSharedData.FontSize = window->CalcFontSize(); +} + +// Free up/compact internal window buffers, we can use this when a window becomes unused. +// This is currently unused by the library, but you may call this yourself for easy GC. +// Not freed: +// - ImGuiWindow, ImGuiWindowSettings, Name +// - StateStorage, ColumnsStorage (may hold useful data) +// This should have no noticeable visual effect. When the window reappear however, expect new allocation/buffer growth/copy cost. +void ImGui::GcCompactTransientWindowBuffers(ImGuiWindow* window) +{ + window->MemoryCompacted = true; + window->MemoryDrawListIdxCapacity = window->DrawList->IdxBuffer.Capacity; + window->MemoryDrawListVtxCapacity = window->DrawList->VtxBuffer.Capacity; + window->IDStack.clear(); + window->DrawList->ClearFreeMemory(); + window->DC.ChildWindows.clear(); + window->DC.ItemFlagsStack.clear(); + window->DC.ItemWidthStack.clear(); + window->DC.TextWrapPosStack.clear(); + window->DC.GroupStack.clear(); +} + +void ImGui::GcAwakeTransientWindowBuffers(ImGuiWindow* window) +{ + // We stored capacity of the ImDrawList buffer to reduce growth-caused allocation/copy when awakening. + // The other buffers tends to amortize much faster. + window->MemoryCompacted = false; + window->DrawList->IdxBuffer.reserve(window->MemoryDrawListIdxCapacity); + window->DrawList->VtxBuffer.reserve(window->MemoryDrawListVtxCapacity); + window->MemoryDrawListIdxCapacity = window->MemoryDrawListVtxCapacity = 0; +} + +void ImGui::SetActiveID(ImGuiID id, ImGuiWindow* window) +{ + ImGuiContext& g = *GImGui; + g.ActiveIdIsJustActivated = (g.ActiveId != id); + if (g.ActiveIdIsJustActivated) + { + g.ActiveIdTimer = 0.0f; + g.ActiveIdHasBeenPressedBefore = false; + g.ActiveIdHasBeenEditedBefore = false; + if (id != 0) + { + g.LastActiveId = id; + g.LastActiveIdTimer = 0.0f; + } + } + g.ActiveId = id; + g.ActiveIdAllowOverlap = false; + g.ActiveIdWindow = window; + g.ActiveIdHasBeenEditedThisFrame = false; + if (id) + { + g.ActiveIdIsAlive = id; + g.ActiveIdSource = (g.NavActivateId == id || g.NavInputId == id || g.NavJustTabbedId == id || g.NavJustMovedToId == id) ? ImGuiInputSource_Nav : ImGuiInputSource_Mouse; + } + + // Clear declaration of inputs claimed by the widget + // (Please note that this is WIP and not all keys/inputs are thoroughly declared by all widgets yet) + g.ActiveIdUsingNavDirMask = 0x00; + g.ActiveIdUsingNavInputMask = 0x00; + g.ActiveIdUsingKeyInputMask = 0x00; +} + +void ImGui::ClearActiveID() +{ + SetActiveID(0, NULL); +} + +void ImGui::SetHoveredID(ImGuiID id) +{ + ImGuiContext& g = *GImGui; + g.HoveredId = id; + g.HoveredIdAllowOverlap = false; + if (id != 0 && g.HoveredIdPreviousFrame != id) + g.HoveredIdTimer = g.HoveredIdNotActiveTimer = 0.0f; +} + +ImGuiID ImGui::GetHoveredID() +{ + ImGuiContext& g = *GImGui; + return g.HoveredId ? g.HoveredId : g.HoveredIdPreviousFrame; +} + +void ImGui::KeepAliveID(ImGuiID id) +{ + ImGuiContext& g = *GImGui; + if (g.ActiveId == id) + g.ActiveIdIsAlive = id; + if (g.ActiveIdPreviousFrame == id) + g.ActiveIdPreviousFrameIsAlive = true; +} + +void ImGui::MarkItemEdited(ImGuiID id) +{ + // This marking is solely to be able to provide info for IsItemDeactivatedAfterEdit(). + // ActiveId might have been released by the time we call this (as in the typical press/release button behavior) but still need need to fill the data. + ImGuiContext& g = *GImGui; + IM_ASSERT(g.ActiveId == id || g.ActiveId == 0 || g.DragDropActive); + IM_UNUSED(id); // Avoid unused variable warnings when asserts are compiled out. + //IM_ASSERT(g.CurrentWindow->DC.LastItemId == id); + g.ActiveIdHasBeenEditedThisFrame = true; + g.ActiveIdHasBeenEditedBefore = true; + g.CurrentWindow->DC.LastItemStatusFlags |= ImGuiItemStatusFlags_Edited; +} + +static inline bool IsWindowContentHoverable(ImGuiWindow* window, ImGuiHoveredFlags flags) +{ + // An active popup disable hovering on other windows (apart from its own children) + // FIXME-OPT: This could be cached/stored within the window. + ImGuiContext& g = *GImGui; + if (g.NavWindow) + if (ImGuiWindow* focused_root_window = g.NavWindow->RootWindow) + if (focused_root_window->WasActive && focused_root_window != window->RootWindow) + { + // For the purpose of those flags we differentiate "standard popup" from "modal popup" + // NB: The order of those two tests is important because Modal windows are also Popups. + if (focused_root_window->Flags & ImGuiWindowFlags_Modal) + return false; + if ((focused_root_window->Flags & ImGuiWindowFlags_Popup) && !(flags & ImGuiHoveredFlags_AllowWhenBlockedByPopup)) + return false; + } + return true; +} + +// This is roughly matching the behavior of internal-facing ItemHoverable() +// - we allow hovering to be true when ActiveId==window->MoveID, so that clicking on non-interactive items such as a Text() item still returns true with IsItemHovered() +// - this should work even for non-interactive items that have no ID, so we cannot use LastItemId +bool ImGui::IsItemHovered(ImGuiHoveredFlags flags) +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + if (g.NavDisableMouseHover && !g.NavDisableHighlight) + return IsItemFocused(); + + // Test for bounding box overlap, as updated as ItemAdd() + if (!(window->DC.LastItemStatusFlags & ImGuiItemStatusFlags_HoveredRect)) + return false; + IM_ASSERT((flags & (ImGuiHoveredFlags_RootWindow | ImGuiHoveredFlags_ChildWindows)) == 0); // Flags not supported by this function + + // Test if we are hovering the right window (our window could be behind another window) + // [2017/10/16] Reverted commit 344d48be3 and testing RootWindow instead. I believe it is correct to NOT test for RootWindow but this leaves us unable to use IsItemHovered() after EndChild() itself. + // Until a solution is found I believe reverting to the test from 2017/09/27 is safe since this was the test that has been running for a long while. + //if (g.HoveredWindow != window) + // return false; + if (g.HoveredRootWindow != window->RootWindow && !(flags & ImGuiHoveredFlags_AllowWhenOverlapped)) + return false; + + // Test if another item is active (e.g. being dragged) + if (!(flags & ImGuiHoveredFlags_AllowWhenBlockedByActiveItem)) + if (g.ActiveId != 0 && g.ActiveId != window->DC.LastItemId && !g.ActiveIdAllowOverlap && g.ActiveId != window->MoveId) + return false; + + // Test if interactions on this window are blocked by an active popup or modal. + // The ImGuiHoveredFlags_AllowWhenBlockedByPopup flag will be tested here. + if (!IsWindowContentHoverable(window, flags)) + return false; + + // Test if the item is disabled + if ((window->DC.ItemFlags & ImGuiItemFlags_Disabled) && !(flags & ImGuiHoveredFlags_AllowWhenDisabled)) + return false; + + // Special handling for the dummy item after Begin() which represent the title bar or tab. + // When the window is collapsed (SkipItems==true) that last item will never be overwritten so we need to detect the case. + if (window->DC.LastItemId == window->MoveId && window->WriteAccessed) + return false; + return true; +} + +// Internal facing ItemHoverable() used when submitting widgets. Differs slightly from IsItemHovered(). +bool ImGui::ItemHoverable(const ImRect& bb, ImGuiID id) +{ + ImGuiContext& g = *GImGui; + if (g.HoveredId != 0 && g.HoveredId != id && !g.HoveredIdAllowOverlap) + return false; + + ImGuiWindow* window = g.CurrentWindow; + if (g.HoveredWindow != window) + return false; + if (g.ActiveId != 0 && g.ActiveId != id && !g.ActiveIdAllowOverlap) + return false; + if (!IsMouseHoveringRect(bb.Min, bb.Max)) + return false; + if (g.NavDisableMouseHover || !IsWindowContentHoverable(window, ImGuiHoveredFlags_None)) + return false; + if (window->DC.ItemFlags & ImGuiItemFlags_Disabled) + return false; + + SetHoveredID(id); + + // [DEBUG] Item Picker tool! + // We perform the check here because SetHoveredID() is not frequently called (1~ time a frame), making + // the cost of this tool near-zero. We can get slightly better call-stack and support picking non-hovered + // items if we perform the test in ItemAdd(), but that would incur a small runtime cost. + // #define IMGUI_DEBUG_TOOL_ITEM_PICKER_EX in imconfig.h if you want this check to also be performed in ItemAdd(). + if (g.DebugItemPickerActive && g.HoveredIdPreviousFrame == id) + GetForegroundDrawList()->AddRect(bb.Min, bb.Max, IM_COL32(255, 255, 0, 255)); + if (g.DebugItemPickerBreakId == id) + IM_DEBUG_BREAK(); + + return true; +} + +bool ImGui::IsClippedEx(const ImRect& bb, ImGuiID id, bool clip_even_when_logged) +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + if (!bb.Overlaps(window->ClipRect)) + if (id == 0 || id != g.ActiveId) + if (clip_even_when_logged || !g.LogEnabled) + return true; + return false; +} + +// Process TAB/Shift+TAB. Be mindful that this function may _clear_ the ActiveID when tabbing out. +bool ImGui::FocusableItemRegister(ImGuiWindow* window, ImGuiID id) +{ + ImGuiContext& g = *GImGui; + + // Increment counters + const bool is_tab_stop = (window->DC.ItemFlags & (ImGuiItemFlags_NoTabStop | ImGuiItemFlags_Disabled)) == 0; + window->DC.FocusCounterRegular++; + if (is_tab_stop) + window->DC.FocusCounterTabStop++; + + // Process TAB/Shift-TAB to tab *OUT* of the currently focused item. + // (Note that we can always TAB out of a widget that doesn't allow tabbing in) + if (g.ActiveId == id && g.FocusTabPressed && !IsActiveIdUsingKey(ImGuiKey_Tab) && g.FocusRequestNextWindow == NULL) + { + g.FocusRequestNextWindow = window; + g.FocusRequestNextCounterTabStop = window->DC.FocusCounterTabStop + (g.IO.KeyShift ? (is_tab_stop ? -1 : 0) : +1); // Modulo on index will be applied at the end of frame once we've got the total counter of items. + } + + // Handle focus requests + if (g.FocusRequestCurrWindow == window) + { + if (window->DC.FocusCounterRegular == g.FocusRequestCurrCounterRegular) + return true; + if (is_tab_stop && window->DC.FocusCounterTabStop == g.FocusRequestCurrCounterTabStop) + { + g.NavJustTabbedId = id; + return true; + } + + // If another item is about to be focused, we clear our own active id + if (g.ActiveId == id) + ClearActiveID(); + } + + return false; +} + +void ImGui::FocusableItemUnregister(ImGuiWindow* window) +{ + window->DC.FocusCounterRegular--; + window->DC.FocusCounterTabStop--; +} + +float ImGui::CalcWrapWidthForPos(const ImVec2& pos, float wrap_pos_x) +{ + if (wrap_pos_x < 0.0f) + return 0.0f; + + ImGuiWindow* window = GImGui->CurrentWindow; + if (wrap_pos_x == 0.0f) + wrap_pos_x = window->WorkRect.Max.x; + else if (wrap_pos_x > 0.0f) + wrap_pos_x += window->Pos.x - window->Scroll.x; // wrap_pos_x is provided is window local space + + return ImMax(wrap_pos_x - pos.x, 1.0f); +} + +// IM_ALLOC() == ImGui::MemAlloc() +void* ImGui::MemAlloc(size_t size) +{ + if (ImGuiContext* ctx = GImGui) + ctx->IO.MetricsActiveAllocations++; + return GImAllocatorAllocFunc(size, GImAllocatorUserData); +} + +// IM_FREE() == ImGui::MemFree() +void ImGui::MemFree(void* ptr) +{ + if (ptr) + if (ImGuiContext* ctx = GImGui) + ctx->IO.MetricsActiveAllocations--; + return GImAllocatorFreeFunc(ptr, GImAllocatorUserData); +} + +const char* ImGui::GetClipboardText() +{ + ImGuiContext& g = *GImGui; + return g.IO.GetClipboardTextFn ? g.IO.GetClipboardTextFn(g.IO.ClipboardUserData) : ""; +} + +void ImGui::SetClipboardText(const char* text) +{ + ImGuiContext& g = *GImGui; + if (g.IO.SetClipboardTextFn) + g.IO.SetClipboardTextFn(g.IO.ClipboardUserData, text); +} + +const char* ImGui::GetVersion() +{ + return IMGUI_VERSION; +} + +// Internal state access - if you want to share Dear ImGui state between modules (e.g. DLL) or allocate it yourself +// Note that we still point to some static data and members (such as GFontAtlas), so the state instance you end up using will point to the static data within its module +ImGuiContext* ImGui::GetCurrentContext() +{ + return GImGui; +} + +void ImGui::SetCurrentContext(ImGuiContext* ctx) +{ +#ifdef IMGUI_SET_CURRENT_CONTEXT_FUNC + IMGUI_SET_CURRENT_CONTEXT_FUNC(ctx); // For custom thread-based hackery you may want to have control over this. +#else + GImGui = ctx; +#endif +} + +void ImGui::SetAllocatorFunctions(void* (*alloc_func)(size_t sz, void* user_data), void (*free_func)(void* ptr, void* user_data), void* user_data) +{ + GImAllocatorAllocFunc = alloc_func; + GImAllocatorFreeFunc = free_func; + GImAllocatorUserData = user_data; +} + +ImGuiContext* ImGui::CreateContext(ImFontAtlas* shared_font_atlas) +{ + ImGuiContext* ctx = IM_NEW(ImGuiContext)(shared_font_atlas); + if (GImGui == NULL) + SetCurrentContext(ctx); + Initialize(ctx); + return ctx; +} + +void ImGui::DestroyContext(ImGuiContext* ctx) +{ + if (ctx == NULL) + ctx = GImGui; + Shutdown(ctx); + if (GImGui == ctx) + SetCurrentContext(NULL); + IM_DELETE(ctx); +} + +ImGuiIO& ImGui::GetIO() +{ + IM_ASSERT(GImGui != NULL && "No current context. Did you call ImGui::CreateContext() and ImGui::SetCurrentContext() ?"); + return GImGui->IO; +} + +// Same value as passed to the old io.RenderDrawListsFn function. Valid after Render() and until the next call to NewFrame() +ImDrawData* ImGui::GetDrawData() +{ + ImGuiContext& g = *GImGui; + return g.DrawData.Valid ? &g.DrawData : NULL; +} + +double ImGui::GetTime() +{ + return GImGui->Time; +} + +int ImGui::GetFrameCount() +{ + return GImGui->FrameCount; +} + +ImDrawList* ImGui::GetBackgroundDrawList() +{ + return &GImGui->BackgroundDrawList; +} + +ImDrawList* ImGui::GetForegroundDrawList() +{ + return &GImGui->ForegroundDrawList; +} + +ImDrawListSharedData* ImGui::GetDrawListSharedData() +{ + return &GImGui->DrawListSharedData; +} + +void ImGui::StartMouseMovingWindow(ImGuiWindow* window) +{ + // Set ActiveId even if the _NoMove flag is set. Without it, dragging away from a window with _NoMove would activate hover on other windows. + // We _also_ call this when clicking in a window empty space when io.ConfigWindowsMoveFromTitleBarOnly is set, but clear g.MovingWindow afterward. + // This is because we want ActiveId to be set even when the window is not permitted to move. + ImGuiContext& g = *GImGui; + FocusWindow(window); + SetActiveID(window->MoveId, window); + g.NavDisableHighlight = true; + g.ActiveIdClickOffset = g.IO.MousePos - window->RootWindow->Pos; + + bool can_move_window = true; + if ((window->Flags & ImGuiWindowFlags_NoMove) || (window->RootWindow->Flags & ImGuiWindowFlags_NoMove)) + can_move_window = false; + if (can_move_window) + g.MovingWindow = window; +} + +// Handle mouse moving window +// Note: moving window with the navigation keys (Square + d-pad / CTRL+TAB + Arrows) are processed in NavUpdateWindowing() +// FIXME: We don't have strong guarantee that g.MovingWindow stay synched with g.ActiveId == g.MovingWindow->MoveId. +// This is currently enforced by the fact that BeginDragDropSource() is setting all g.ActiveIdUsingXXXX flags to inhibit navigation inputs, +// but if we should more thoroughly test cases where g.ActiveId or g.MovingWindow gets changed and not the other. +void ImGui::UpdateMouseMovingWindowNewFrame() +{ + ImGuiContext& g = *GImGui; + if (g.MovingWindow != NULL) + { + // We actually want to move the root window. g.MovingWindow == window we clicked on (could be a child window). + // We track it to preserve Focus and so that generally ActiveIdWindow == MovingWindow and ActiveId == MovingWindow->MoveId for consistency. + KeepAliveID(g.ActiveId); + IM_ASSERT(g.MovingWindow && g.MovingWindow->RootWindow); + ImGuiWindow* moving_window = g.MovingWindow->RootWindow; + if (g.IO.MouseDown[0] && IsMousePosValid(&g.IO.MousePos)) + { + ImVec2 pos = g.IO.MousePos - g.ActiveIdClickOffset; + if (moving_window->Pos.x != pos.x || moving_window->Pos.y != pos.y) + { + MarkIniSettingsDirty(moving_window); + SetWindowPos(moving_window, pos, ImGuiCond_Always); + } + FocusWindow(g.MovingWindow); + } + else + { + ClearActiveID(); + g.MovingWindow = NULL; + } + } + else + { + // When clicking/dragging from a window that has the _NoMove flag, we still set the ActiveId in order to prevent hovering others. + if (g.ActiveIdWindow && g.ActiveIdWindow->MoveId == g.ActiveId) + { + KeepAliveID(g.ActiveId); + if (!g.IO.MouseDown[0]) + ClearActiveID(); + } + } +} + +// Initiate moving window when clicking on empty space or title bar. +// Handle left-click and right-click focus. +void ImGui::UpdateMouseMovingWindowEndFrame() +{ + ImGuiContext& g = *GImGui; + if (g.ActiveId != 0 || g.HoveredId != 0) + return; + + // Unless we just made a window/popup appear + if (g.NavWindow && g.NavWindow->Appearing) + return; + + // Click to focus window and start moving (after we're done with all our widgets) + if (g.IO.MouseClicked[0]) + { + if (g.HoveredRootWindow != NULL) + { + StartMouseMovingWindow(g.HoveredWindow); + if (g.IO.ConfigWindowsMoveFromTitleBarOnly && !(g.HoveredRootWindow->Flags & ImGuiWindowFlags_NoTitleBar)) + if (!g.HoveredRootWindow->TitleBarRect().Contains(g.IO.MouseClickedPos[0])) + g.MovingWindow = NULL; + } + else if (g.NavWindow != NULL && GetTopMostPopupModal() == NULL) + { + // Clicking on void disable focus + FocusWindow(NULL); + } + } + + // With right mouse button we close popups without changing focus based on where the mouse is aimed + // Instead, focus will be restored to the window under the bottom-most closed popup. + // (The left mouse button path calls FocusWindow on the hovered window, which will lead NewFrame->ClosePopupsOverWindow to trigger) + if (g.IO.MouseClicked[1]) + { + // Find the top-most window between HoveredWindow and the top-most Modal Window. + // This is where we can trim the popup stack. + ImGuiWindow* modal = GetTopMostPopupModal(); + bool hovered_window_above_modal = false; + if (modal == NULL) + hovered_window_above_modal = true; + for (int i = g.Windows.Size - 1; i >= 0 && hovered_window_above_modal == false; i--) + { + ImGuiWindow* window = g.Windows[i]; + if (window == modal) + break; + if (window == g.HoveredWindow) + hovered_window_above_modal = true; + } + ClosePopupsOverWindow(hovered_window_above_modal ? g.HoveredWindow : modal, true); + } +} + +static bool IsWindowActiveAndVisible(ImGuiWindow* window) +{ + return (window->Active) && (!window->Hidden); +} + +static void ImGui::UpdateMouseInputs() +{ + ImGuiContext& g = *GImGui; + + // Round mouse position to avoid spreading non-rounded position (e.g. UpdateManualResize doesn't support them well) + if (IsMousePosValid(&g.IO.MousePos)) + g.IO.MousePos = g.LastValidMousePos = ImFloor(g.IO.MousePos); + + // If mouse just appeared or disappeared (usually denoted by -FLT_MAX components) we cancel out movement in MouseDelta + if (IsMousePosValid(&g.IO.MousePos) && IsMousePosValid(&g.IO.MousePosPrev)) + g.IO.MouseDelta = g.IO.MousePos - g.IO.MousePosPrev; + else + g.IO.MouseDelta = ImVec2(0.0f, 0.0f); + if (g.IO.MouseDelta.x != 0.0f || g.IO.MouseDelta.y != 0.0f) + g.NavDisableMouseHover = false; + + g.IO.MousePosPrev = g.IO.MousePos; + for (int i = 0; i < IM_ARRAYSIZE(g.IO.MouseDown); i++) + { + g.IO.MouseClicked[i] = g.IO.MouseDown[i] && g.IO.MouseDownDuration[i] < 0.0f; + g.IO.MouseReleased[i] = !g.IO.MouseDown[i] && g.IO.MouseDownDuration[i] >= 0.0f; + g.IO.MouseDownDurationPrev[i] = g.IO.MouseDownDuration[i]; + g.IO.MouseDownDuration[i] = g.IO.MouseDown[i] ? (g.IO.MouseDownDuration[i] < 0.0f ? 0.0f : g.IO.MouseDownDuration[i] + g.IO.DeltaTime) : -1.0f; + g.IO.MouseDoubleClicked[i] = false; + if (g.IO.MouseClicked[i]) + { + if ((float)(g.Time - g.IO.MouseClickedTime[i]) < g.IO.MouseDoubleClickTime) + { + ImVec2 delta_from_click_pos = IsMousePosValid(&g.IO.MousePos) ? (g.IO.MousePos - g.IO.MouseClickedPos[i]) : ImVec2(0.0f, 0.0f); + if (ImLengthSqr(delta_from_click_pos) < g.IO.MouseDoubleClickMaxDist * g.IO.MouseDoubleClickMaxDist) + g.IO.MouseDoubleClicked[i] = true; + g.IO.MouseClickedTime[i] = -DBL_MAX; // so the third click isn't turned into a double-click + } + else + { + g.IO.MouseClickedTime[i] = g.Time; + } + g.IO.MouseClickedPos[i] = g.IO.MousePos; + g.IO.MouseDownWasDoubleClick[i] = g.IO.MouseDoubleClicked[i]; + g.IO.MouseDragMaxDistanceAbs[i] = ImVec2(0.0f, 0.0f); + g.IO.MouseDragMaxDistanceSqr[i] = 0.0f; + } + else if (g.IO.MouseDown[i]) + { + // Maintain the maximum distance we reaching from the initial click position, which is used with dragging threshold + ImVec2 delta_from_click_pos = IsMousePosValid(&g.IO.MousePos) ? (g.IO.MousePos - g.IO.MouseClickedPos[i]) : ImVec2(0.0f, 0.0f); + g.IO.MouseDragMaxDistanceSqr[i] = ImMax(g.IO.MouseDragMaxDistanceSqr[i], ImLengthSqr(delta_from_click_pos)); + g.IO.MouseDragMaxDistanceAbs[i].x = ImMax(g.IO.MouseDragMaxDistanceAbs[i].x, delta_from_click_pos.x < 0.0f ? -delta_from_click_pos.x : delta_from_click_pos.x); + g.IO.MouseDragMaxDistanceAbs[i].y = ImMax(g.IO.MouseDragMaxDistanceAbs[i].y, delta_from_click_pos.y < 0.0f ? -delta_from_click_pos.y : delta_from_click_pos.y); + } + if (!g.IO.MouseDown[i] && !g.IO.MouseReleased[i]) + g.IO.MouseDownWasDoubleClick[i] = false; + if (g.IO.MouseClicked[i]) // Clicking any mouse button reactivate mouse hovering which may have been deactivated by gamepad/keyboard navigation + g.NavDisableMouseHover = false; + } +} + +static void StartLockWheelingWindow(ImGuiWindow* window) +{ + ImGuiContext& g = *GImGui; + if (g.WheelingWindow == window) + return; + g.WheelingWindow = window; + g.WheelingWindowRefMousePos = g.IO.MousePos; + g.WheelingWindowTimer = WINDOWS_MOUSE_WHEEL_SCROLL_LOCK_TIMER; +} + +void ImGui::UpdateMouseWheel() +{ + ImGuiContext& g = *GImGui; + + // Reset the locked window if we move the mouse or after the timer elapses + if (g.WheelingWindow != NULL) + { + g.WheelingWindowTimer -= g.IO.DeltaTime; + if (IsMousePosValid() && ImLengthSqr(g.IO.MousePos - g.WheelingWindowRefMousePos) > g.IO.MouseDragThreshold * g.IO.MouseDragThreshold) + g.WheelingWindowTimer = 0.0f; + if (g.WheelingWindowTimer <= 0.0f) + { + g.WheelingWindow = NULL; + g.WheelingWindowTimer = 0.0f; + } + } + + if (g.IO.MouseWheel == 0.0f && g.IO.MouseWheelH == 0.0f) + return; + + ImGuiWindow* window = g.WheelingWindow ? g.WheelingWindow : g.HoveredWindow; + if (!window || window->Collapsed) + return; + + // Zoom / Scale window + // FIXME-OBSOLETE: This is an old feature, it still works but pretty much nobody is using it and may be best redesigned. + if (g.IO.MouseWheel != 0.0f && g.IO.KeyCtrl && g.IO.FontAllowUserScaling) + { + StartLockWheelingWindow(window); + const float new_font_scale = ImClamp(window->FontWindowScale + g.IO.MouseWheel * 0.10f, 0.50f, 2.50f); + const float scale = new_font_scale / window->FontWindowScale; + window->FontWindowScale = new_font_scale; + if (!(window->Flags & ImGuiWindowFlags_ChildWindow)) + { + const ImVec2 offset = window->Size * (1.0f - scale) * (g.IO.MousePos - window->Pos) / window->Size; + SetWindowPos(window, window->Pos + offset, 0); + window->Size = ImFloor(window->Size * scale); + window->SizeFull = ImFloor(window->SizeFull * scale); + } + return; + } + + // Mouse wheel scrolling + // If a child window has the ImGuiWindowFlags_NoScrollWithMouse flag, we give a chance to scroll its parent + + // Vertical Mouse Wheel scrolling + const float wheel_y = (g.IO.MouseWheel != 0.0f && !g.IO.KeyShift) ? g.IO.MouseWheel : 0.0f; + if (wheel_y != 0.0f && !g.IO.KeyCtrl) + { + StartLockWheelingWindow(window); + while ((window->Flags & ImGuiWindowFlags_ChildWindow) && ((window->ScrollMax.y == 0.0f) || ((window->Flags & ImGuiWindowFlags_NoScrollWithMouse) && !(window->Flags & ImGuiWindowFlags_NoMouseInputs)))) + window = window->ParentWindow; + if (!(window->Flags & ImGuiWindowFlags_NoScrollWithMouse) && !(window->Flags & ImGuiWindowFlags_NoMouseInputs)) + { + float max_step = window->InnerRect.GetHeight() * 0.67f; + float scroll_step = ImFloor(ImMin(5 * window->CalcFontSize(), max_step)); + SetScrollY(window, window->Scroll.y - wheel_y * scroll_step); + } + } + + // Horizontal Mouse Wheel scrolling, or Vertical Mouse Wheel w/ Shift held + const float wheel_x = (g.IO.MouseWheelH != 0.0f && !g.IO.KeyShift) ? g.IO.MouseWheelH : (g.IO.MouseWheel != 0.0f && g.IO.KeyShift) ? g.IO.MouseWheel : 0.0f; + if (wheel_x != 0.0f && !g.IO.KeyCtrl) + { + StartLockWheelingWindow(window); + while ((window->Flags & ImGuiWindowFlags_ChildWindow) && ((window->ScrollMax.x == 0.0f) || ((window->Flags & ImGuiWindowFlags_NoScrollWithMouse) && !(window->Flags & ImGuiWindowFlags_NoMouseInputs)))) + window = window->ParentWindow; + if (!(window->Flags & ImGuiWindowFlags_NoScrollWithMouse) && !(window->Flags & ImGuiWindowFlags_NoMouseInputs)) + { + float max_step = window->InnerRect.GetWidth() * 0.67f; + float scroll_step = ImFloor(ImMin(2 * window->CalcFontSize(), max_step)); + SetScrollX(window, window->Scroll.x - wheel_x * scroll_step); + } + } +} + +void ImGui::UpdateTabFocus() +{ + ImGuiContext& g = *GImGui; + + // Pressing TAB activate widget focus + g.FocusTabPressed = (g.NavWindow && g.NavWindow->Active && !(g.NavWindow->Flags & ImGuiWindowFlags_NoNavInputs) && !g.IO.KeyCtrl && IsKeyPressedMap(ImGuiKey_Tab)); + if (g.ActiveId == 0 && g.FocusTabPressed) + { + // Note that SetKeyboardFocusHere() sets the Next fields mid-frame. To be consistent we also + // manipulate the Next fields even, even though they will be turned into Curr fields by the code below. + g.FocusRequestNextWindow = g.NavWindow; + g.FocusRequestNextCounterRegular = INT_MAX; + if (g.NavId != 0 && g.NavIdTabCounter != INT_MAX) + g.FocusRequestNextCounterTabStop = g.NavIdTabCounter + 1 + (g.IO.KeyShift ? -1 : 1); + else + g.FocusRequestNextCounterTabStop = g.IO.KeyShift ? -1 : 0; + } + + // Turn queued focus request into current one + g.FocusRequestCurrWindow = NULL; + g.FocusRequestCurrCounterRegular = g.FocusRequestCurrCounterTabStop = INT_MAX; + if (g.FocusRequestNextWindow != NULL) + { + ImGuiWindow* window = g.FocusRequestNextWindow; + g.FocusRequestCurrWindow = window; + if (g.FocusRequestNextCounterRegular != INT_MAX && window->DC.FocusCounterRegular != -1) + g.FocusRequestCurrCounterRegular = ImModPositive(g.FocusRequestNextCounterRegular, window->DC.FocusCounterRegular + 1); + if (g.FocusRequestNextCounterTabStop != INT_MAX && window->DC.FocusCounterTabStop != -1) + g.FocusRequestCurrCounterTabStop = ImModPositive(g.FocusRequestNextCounterTabStop, window->DC.FocusCounterTabStop + 1); + g.FocusRequestNextWindow = NULL; + g.FocusRequestNextCounterRegular = g.FocusRequestNextCounterTabStop = INT_MAX; + } + + g.NavIdTabCounter = INT_MAX; +} + +// The reason this is exposed in imgui_internal.h is: on touch-based system that don't have hovering, we want to dispatch inputs to the right target (imgui vs imgui+app) +void ImGui::UpdateHoveredWindowAndCaptureFlags() +{ + ImGuiContext& g = *GImGui; + + // Find the window hovered by mouse: + // - Child windows can extend beyond the limit of their parent so we need to derive HoveredRootWindow from HoveredWindow. + // - When moving a window we can skip the search, which also conveniently bypasses the fact that window->WindowRectClipped is lagging as this point of the frame. + // - We also support the moved window toggling the NoInputs flag after moving has started in order to be able to detect windows below it, which is useful for e.g. docking mechanisms. + FindHoveredWindow(); + + // Modal windows prevents cursor from hovering behind them. + ImGuiWindow* modal_window = GetTopMostPopupModal(); + if (modal_window) + if (g.HoveredRootWindow && !IsWindowChildOf(g.HoveredRootWindow, modal_window)) + g.HoveredRootWindow = g.HoveredWindow = NULL; + + // Disabled mouse? + if (g.IO.ConfigFlags & ImGuiConfigFlags_NoMouse) + g.HoveredWindow = g.HoveredRootWindow = NULL; + + // We track click ownership. When clicked outside of a window the click is owned by the application and won't report hovering nor request capture even while dragging over our windows afterward. + int mouse_earliest_button_down = -1; + bool mouse_any_down = false; + for (int i = 0; i < IM_ARRAYSIZE(g.IO.MouseDown); i++) + { + if (g.IO.MouseClicked[i]) + g.IO.MouseDownOwned[i] = (g.HoveredWindow != NULL) || (!g.OpenPopupStack.empty()); + mouse_any_down |= g.IO.MouseDown[i]; + if (g.IO.MouseDown[i]) + if (mouse_earliest_button_down == -1 || g.IO.MouseClickedTime[i] < g.IO.MouseClickedTime[mouse_earliest_button_down]) + mouse_earliest_button_down = i; + } + const bool mouse_avail_to_imgui = (mouse_earliest_button_down == -1) || g.IO.MouseDownOwned[mouse_earliest_button_down]; + + // If mouse was first clicked outside of ImGui bounds we also cancel out hovering. + // FIXME: For patterns of drag and drop across OS windows, we may need to rework/remove this test (first committed 311c0ca9 on 2015/02) + const bool mouse_dragging_extern_payload = g.DragDropActive && (g.DragDropSourceFlags & ImGuiDragDropFlags_SourceExtern) != 0; + if (!mouse_avail_to_imgui && !mouse_dragging_extern_payload) + g.HoveredWindow = g.HoveredRootWindow = NULL; + + // Update io.WantCaptureMouse for the user application (true = dispatch mouse info to imgui, false = dispatch mouse info to Dear ImGui + app) + if (g.WantCaptureMouseNextFrame != -1) + g.IO.WantCaptureMouse = (g.WantCaptureMouseNextFrame != 0); + else + g.IO.WantCaptureMouse = (mouse_avail_to_imgui && (g.HoveredWindow != NULL || mouse_any_down)) || (!g.OpenPopupStack.empty()); + + // Update io.WantCaptureKeyboard for the user application (true = dispatch keyboard info to imgui, false = dispatch keyboard info to Dear ImGui + app) + if (g.WantCaptureKeyboardNextFrame != -1) + g.IO.WantCaptureKeyboard = (g.WantCaptureKeyboardNextFrame != 0); + else + g.IO.WantCaptureKeyboard = (g.ActiveId != 0) || (modal_window != NULL); + if (g.IO.NavActive && (g.IO.ConfigFlags & ImGuiConfigFlags_NavEnableKeyboard) && !(g.IO.ConfigFlags & ImGuiConfigFlags_NavNoCaptureKeyboard)) + g.IO.WantCaptureKeyboard = true; + + // Update io.WantTextInput flag, this is to allow systems without a keyboard (e.g. mobile, hand-held) to show a software keyboard if possible + g.IO.WantTextInput = (g.WantTextInputNextFrame != -1) ? (g.WantTextInputNextFrame != 0) : false; +} + +static ImGuiKeyModFlags GetMergedKeyModFlags() +{ + ImGuiContext& g = *GImGui; + ImGuiKeyModFlags key_mod_flags = ImGuiKeyModFlags_None; + if (g.IO.KeyCtrl) { key_mod_flags |= ImGuiKeyModFlags_Ctrl; } + if (g.IO.KeyShift) { key_mod_flags |= ImGuiKeyModFlags_Shift; } + if (g.IO.KeyAlt) { key_mod_flags |= ImGuiKeyModFlags_Alt; } + if (g.IO.KeySuper) { key_mod_flags |= ImGuiKeyModFlags_Super; } + return key_mod_flags; +} + +void ImGui::NewFrame() +{ + IM_ASSERT(GImGui != NULL && "No current context. Did you call ImGui::CreateContext() and ImGui::SetCurrentContext() ?"); + ImGuiContext& g = *GImGui; + +#ifdef IMGUI_ENABLE_TEST_ENGINE + ImGuiTestEngineHook_PreNewFrame(&g); +#endif + + // Check and assert for various common IO and Configuration mistakes + ErrorCheckNewFrameSanityChecks(); + + // Load settings on first frame, save settings when modified (after a delay) + UpdateSettings(); + + g.Time += g.IO.DeltaTime; + g.WithinFrameScope = true; + g.FrameCount += 1; + g.TooltipOverrideCount = 0; + g.WindowsActiveCount = 0; + g.MenusIdSubmittedThisFrame.resize(0); + + // Calculate frame-rate for the user, as a purely luxurious feature + g.FramerateSecPerFrameAccum += g.IO.DeltaTime - g.FramerateSecPerFrame[g.FramerateSecPerFrameIdx]; + g.FramerateSecPerFrame[g.FramerateSecPerFrameIdx] = g.IO.DeltaTime; + g.FramerateSecPerFrameIdx = (g.FramerateSecPerFrameIdx + 1) % IM_ARRAYSIZE(g.FramerateSecPerFrame); + g.IO.Framerate = (g.FramerateSecPerFrameAccum > 0.0f) ? (1.0f / (g.FramerateSecPerFrameAccum / (float)IM_ARRAYSIZE(g.FramerateSecPerFrame))) : FLT_MAX; + + // Setup current font and draw list shared data + g.IO.Fonts->Locked = true; + SetCurrentFont(GetDefaultFont()); + IM_ASSERT(g.Font->IsLoaded()); + g.DrawListSharedData.ClipRectFullscreen = ImVec4(0.0f, 0.0f, g.IO.DisplaySize.x, g.IO.DisplaySize.y); + g.DrawListSharedData.CurveTessellationTol = g.Style.CurveTessellationTol; + g.DrawListSharedData.SetCircleSegmentMaxError(g.Style.CircleSegmentMaxError); + g.DrawListSharedData.InitialFlags = ImDrawListFlags_None; + if (g.Style.AntiAliasedLines) + g.DrawListSharedData.InitialFlags |= ImDrawListFlags_AntiAliasedLines; + if (g.Style.AntiAliasedFill) + g.DrawListSharedData.InitialFlags |= ImDrawListFlags_AntiAliasedFill; + if (g.IO.BackendFlags & ImGuiBackendFlags_RendererHasVtxOffset) + g.DrawListSharedData.InitialFlags |= ImDrawListFlags_AllowVtxOffset; + + g.BackgroundDrawList.Clear(); + g.BackgroundDrawList.PushTextureID(g.IO.Fonts->TexID); + g.BackgroundDrawList.PushClipRectFullScreen(); + + g.ForegroundDrawList.Clear(); + g.ForegroundDrawList.PushTextureID(g.IO.Fonts->TexID); + g.ForegroundDrawList.PushClipRectFullScreen(); + + // Mark rendering data as invalid to prevent user who may have a handle on it to use it. + g.DrawData.Clear(); + + // Drag and drop keep the source ID alive so even if the source disappear our state is consistent + if (g.DragDropActive && g.DragDropPayload.SourceId == g.ActiveId) + KeepAliveID(g.DragDropPayload.SourceId); + + // Update HoveredId data + if (!g.HoveredIdPreviousFrame) + g.HoveredIdTimer = 0.0f; + if (!g.HoveredIdPreviousFrame || (g.HoveredId && g.ActiveId == g.HoveredId)) + g.HoveredIdNotActiveTimer = 0.0f; + if (g.HoveredId) + g.HoveredIdTimer += g.IO.DeltaTime; + if (g.HoveredId && g.ActiveId != g.HoveredId) + g.HoveredIdNotActiveTimer += g.IO.DeltaTime; + g.HoveredIdPreviousFrame = g.HoveredId; + g.HoveredId = 0; + g.HoveredIdAllowOverlap = false; + + // Update ActiveId data (clear reference to active widget if the widget isn't alive anymore) + if (g.ActiveIdIsAlive != g.ActiveId && g.ActiveIdPreviousFrame == g.ActiveId && g.ActiveId != 0) + ClearActiveID(); + if (g.ActiveId) + g.ActiveIdTimer += g.IO.DeltaTime; + g.LastActiveIdTimer += g.IO.DeltaTime; + g.ActiveIdPreviousFrame = g.ActiveId; + g.ActiveIdPreviousFrameWindow = g.ActiveIdWindow; + g.ActiveIdPreviousFrameHasBeenEditedBefore = g.ActiveIdHasBeenEditedBefore; + g.ActiveIdIsAlive = 0; + g.ActiveIdHasBeenEditedThisFrame = false; + g.ActiveIdPreviousFrameIsAlive = false; + g.ActiveIdIsJustActivated = false; + if (g.TempInputId != 0 && g.ActiveId != g.TempInputId) + g.TempInputId = 0; + if (g.ActiveId == 0) + { + g.ActiveIdUsingNavDirMask = 0x00; + g.ActiveIdUsingNavInputMask = 0x00; + g.ActiveIdUsingKeyInputMask = 0x00; + } + + // Drag and drop + g.DragDropAcceptIdPrev = g.DragDropAcceptIdCurr; + g.DragDropAcceptIdCurr = 0; + g.DragDropAcceptIdCurrRectSurface = FLT_MAX; + g.DragDropWithinSource = false; + g.DragDropWithinTarget = false; + + // Update keyboard input state + // Synchronize io.KeyMods with individual modifiers io.KeyXXX bools + g.IO.KeyMods = GetMergedKeyModFlags(); + memcpy(g.IO.KeysDownDurationPrev, g.IO.KeysDownDuration, sizeof(g.IO.KeysDownDuration)); + for (int i = 0; i < IM_ARRAYSIZE(g.IO.KeysDown); i++) + g.IO.KeysDownDuration[i] = g.IO.KeysDown[i] ? (g.IO.KeysDownDuration[i] < 0.0f ? 0.0f : g.IO.KeysDownDuration[i] + g.IO.DeltaTime) : -1.0f; + + // Update gamepad/keyboard directional navigation + NavUpdate(); + + // Update mouse input state + UpdateMouseInputs(); + + // Find hovered window + // (needs to be before UpdateMouseMovingWindowNewFrame so we fill g.HoveredWindowUnderMovingWindow on the mouse release frame) + UpdateHoveredWindowAndCaptureFlags(); + + // Handle user moving window with mouse (at the beginning of the frame to avoid input lag or sheering) + UpdateMouseMovingWindowNewFrame(); + + // Background darkening/whitening + if (GetTopMostPopupModal() != NULL || (g.NavWindowingTarget != NULL && g.NavWindowingHighlightAlpha > 0.0f)) + g.DimBgRatio = ImMin(g.DimBgRatio + g.IO.DeltaTime * 6.0f, 1.0f); + else + g.DimBgRatio = ImMax(g.DimBgRatio - g.IO.DeltaTime * 10.0f, 0.0f); + + g.MouseCursor = ImGuiMouseCursor_Arrow; + g.WantCaptureMouseNextFrame = g.WantCaptureKeyboardNextFrame = g.WantTextInputNextFrame = -1; + g.PlatformImePos = ImVec2(1.0f, 1.0f); // OS Input Method Editor showing on top-left of our window by default + + // Mouse wheel scrolling, scale + UpdateMouseWheel(); + + // Update legacy TAB focus + UpdateTabFocus(); + + // Mark all windows as not visible and compact unused memory. + IM_ASSERT(g.WindowsFocusOrder.Size == g.Windows.Size); + const float memory_compact_start_time = (g.IO.ConfigWindowsMemoryCompactTimer >= 0.0f) ? (float)g.Time - g.IO.ConfigWindowsMemoryCompactTimer : FLT_MAX; + for (int i = 0; i != g.Windows.Size; i++) + { + ImGuiWindow* window = g.Windows[i]; + window->WasActive = window->Active; + window->BeginCount = 0; + window->Active = false; + window->WriteAccessed = false; + + // Garbage collect transient buffers of recently unused windows + if (!window->WasActive && !window->MemoryCompacted && window->LastTimeActive < memory_compact_start_time) + GcCompactTransientWindowBuffers(window); + } + + // Closing the focused window restore focus to the first active root window in descending z-order + if (g.NavWindow && !g.NavWindow->WasActive) + FocusTopMostWindowUnderOne(NULL, NULL); + + // No window should be open at the beginning of the frame. + // But in order to allow the user to call NewFrame() multiple times without calling Render(), we are doing an explicit clear. + g.CurrentWindowStack.resize(0); + g.BeginPopupStack.resize(0); + ClosePopupsOverWindow(g.NavWindow, false); + + // [DEBUG] Item picker tool - start with DebugStartItemPicker() - useful to visually select an item and break into its call-stack. + UpdateDebugToolItemPicker(); + + // Create implicit/fallback window - which we will only render it if the user has added something to it. + // We don't use "Debug" to avoid colliding with user trying to create a "Debug" window with custom flags. + // This fallback is particularly important as it avoid ImGui:: calls from crashing. + g.WithinFrameScopeWithImplicitWindow = true; + SetNextWindowSize(ImVec2(400,400), ImGuiCond_FirstUseEver); + Begin("Debug##Default"); + IM_ASSERT(g.CurrentWindow->IsFallbackWindow == true); + +#ifdef IMGUI_ENABLE_TEST_ENGINE + ImGuiTestEngineHook_PostNewFrame(&g); +#endif +} + +// [DEBUG] Item picker tool - start with DebugStartItemPicker() - useful to visually select an item and break into its call-stack. +void ImGui::UpdateDebugToolItemPicker() +{ + ImGuiContext& g = *GImGui; + g.DebugItemPickerBreakId = 0; + if (g.DebugItemPickerActive) + { + const ImGuiID hovered_id = g.HoveredIdPreviousFrame; + ImGui::SetMouseCursor(ImGuiMouseCursor_Hand); + if (ImGui::IsKeyPressedMap(ImGuiKey_Escape)) + g.DebugItemPickerActive = false; + if (ImGui::IsMouseClicked(0) && hovered_id) + { + g.DebugItemPickerBreakId = hovered_id; + g.DebugItemPickerActive = false; + } + ImGui::SetNextWindowBgAlpha(0.60f); + ImGui::BeginTooltip(); + ImGui::Text("HoveredId: 0x%08X", hovered_id); + ImGui::Text("Press ESC to abort picking."); + ImGui::TextColored(GetStyleColorVec4(hovered_id ? ImGuiCol_Text : ImGuiCol_TextDisabled), "Click to break in debugger!"); + ImGui::EndTooltip(); + } +} + +void ImGui::Initialize(ImGuiContext* context) +{ + ImGuiContext& g = *context; + IM_ASSERT(!g.Initialized && !g.SettingsLoaded); + + // Add .ini handle for ImGuiWindow type + { + ImGuiSettingsHandler ini_handler; + ini_handler.TypeName = "Window"; + ini_handler.TypeHash = ImHashStr("Window"); + ini_handler.ReadOpenFn = WindowSettingsHandler_ReadOpen; + ini_handler.ReadLineFn = WindowSettingsHandler_ReadLine; + ini_handler.WriteAllFn = WindowSettingsHandler_WriteAll; + g.SettingsHandlers.push_back(ini_handler); + } + +#ifdef IMGUI_HAS_TABLE + // Add .ini handle for ImGuiTable type + { + ImGuiSettingsHandler ini_handler; + ini_handler.TypeName = "Table"; + ini_handler.TypeHash = ImHashStr("Table"); + ini_handler.ReadOpenFn = TableSettingsHandler_ReadOpen; + ini_handler.ReadLineFn = TableSettingsHandler_ReadLine; + ini_handler.WriteAllFn = TableSettingsHandler_WriteAll; + g.SettingsHandlers.push_back(ini_handler); + } +#endif // #ifdef IMGUI_HAS_TABLE + +#ifdef IMGUI_HAS_DOCK +#endif // #ifdef IMGUI_HAS_DOCK + + g.Initialized = true; +} + +// This function is merely here to free heap allocations. +void ImGui::Shutdown(ImGuiContext* context) +{ + // The fonts atlas can be used prior to calling NewFrame(), so we clear it even if g.Initialized is FALSE (which would happen if we never called NewFrame) + ImGuiContext& g = *context; + if (g.IO.Fonts && g.FontAtlasOwnedByContext) + { + g.IO.Fonts->Locked = false; + IM_DELETE(g.IO.Fonts); + } + g.IO.Fonts = NULL; + + // Cleanup of other data are conditional on actually having initialized Dear ImGui. + if (!g.Initialized) + return; + + // Save settings (unless we haven't attempted to load them: CreateContext/DestroyContext without a call to NewFrame shouldn't save an empty file) + if (g.SettingsLoaded && g.IO.IniFilename != NULL) + { + ImGuiContext* backup_context = GImGui; + SetCurrentContext(context); + SaveIniSettingsToDisk(g.IO.IniFilename); + SetCurrentContext(backup_context); + } + + // Clear everything else + for (int i = 0; i < g.Windows.Size; i++) + IM_DELETE(g.Windows[i]); + g.Windows.clear(); + g.WindowsFocusOrder.clear(); + g.WindowsTempSortBuffer.clear(); + g.CurrentWindow = NULL; + g.CurrentWindowStack.clear(); + g.WindowsById.Clear(); + g.NavWindow = NULL; + g.HoveredWindow = g.HoveredRootWindow = NULL; + g.ActiveIdWindow = g.ActiveIdPreviousFrameWindow = NULL; + g.MovingWindow = NULL; + g.ColorModifiers.clear(); + g.StyleModifiers.clear(); + g.FontStack.clear(); + g.OpenPopupStack.clear(); + g.BeginPopupStack.clear(); + g.DrawDataBuilder.ClearFreeMemory(); + g.BackgroundDrawList.ClearFreeMemory(); + g.ForegroundDrawList.ClearFreeMemory(); + + g.TabBars.Clear(); + g.CurrentTabBarStack.clear(); + g.ShrinkWidthBuffer.clear(); + + g.PrivateClipboard.clear(); + g.MenusIdSubmittedThisFrame.clear(); + g.InputTextState.ClearFreeMemory(); + + g.SettingsWindows.clear(); + g.SettingsHandlers.clear(); + + if (g.LogFile) + { +#ifndef IMGUI_DISABLE_TTY_FUNCTIONS + if (g.LogFile != stdout) +#endif + ImFileClose(g.LogFile); + g.LogFile = NULL; + } + g.LogBuffer.clear(); + + g.Initialized = false; +} + +// FIXME: Add a more explicit sort order in the window structure. +static int IMGUI_CDECL ChildWindowComparer(const void* lhs, const void* rhs) +{ + const ImGuiWindow* const a = *(const ImGuiWindow* const *)lhs; + const ImGuiWindow* const b = *(const ImGuiWindow* const *)rhs; + if (int d = (a->Flags & ImGuiWindowFlags_Popup) - (b->Flags & ImGuiWindowFlags_Popup)) + return d; + if (int d = (a->Flags & ImGuiWindowFlags_Tooltip) - (b->Flags & ImGuiWindowFlags_Tooltip)) + return d; + return (a->BeginOrderWithinParent - b->BeginOrderWithinParent); +} + +static void AddWindowToSortBuffer(ImVector* out_sorted_windows, ImGuiWindow* window) +{ + out_sorted_windows->push_back(window); + if (window->Active) + { + int count = window->DC.ChildWindows.Size; + if (count > 1) + ImQsort(window->DC.ChildWindows.Data, (size_t)count, sizeof(ImGuiWindow*), ChildWindowComparer); + for (int i = 0; i < count; i++) + { + ImGuiWindow* child = window->DC.ChildWindows[i]; + if (child->Active) + AddWindowToSortBuffer(out_sorted_windows, child); + } + } +} + +static void AddDrawListToDrawData(ImVector* out_list, ImDrawList* draw_list) +{ + if (draw_list->CmdBuffer.empty()) + return; + + // Remove trailing command if unused + ImDrawCmd& last_cmd = draw_list->CmdBuffer.back(); + if (last_cmd.ElemCount == 0 && last_cmd.UserCallback == NULL) + { + draw_list->CmdBuffer.pop_back(); + if (draw_list->CmdBuffer.empty()) + return; + } + + // Draw list sanity check. Detect mismatch between PrimReserve() calls and incrementing _VtxCurrentIdx, _VtxWritePtr etc. + // May trigger for you if you are using PrimXXX functions incorrectly. + IM_ASSERT(draw_list->VtxBuffer.Size == 0 || draw_list->_VtxWritePtr == draw_list->VtxBuffer.Data + draw_list->VtxBuffer.Size); + IM_ASSERT(draw_list->IdxBuffer.Size == 0 || draw_list->_IdxWritePtr == draw_list->IdxBuffer.Data + draw_list->IdxBuffer.Size); + if (!(draw_list->Flags & ImDrawListFlags_AllowVtxOffset)) + IM_ASSERT((int)draw_list->_VtxCurrentIdx == draw_list->VtxBuffer.Size); + + // Check that draw_list doesn't use more vertices than indexable (default ImDrawIdx = unsigned short = 2 bytes = 64K vertices per ImDrawList = per window) + // If this assert triggers because you are drawing lots of stuff manually: + // - First, make sure you are coarse clipping yourself and not trying to draw many things outside visible bounds. + // Be mindful that the ImDrawList API doesn't filter vertices. Use the Metrics window to inspect draw list contents. + // - If you want large meshes with more than 64K vertices, you can either: + // (A) Handle the ImDrawCmd::VtxOffset value in your renderer back-end, and set 'io.BackendFlags |= ImGuiBackendFlags_RendererHasVtxOffset'. + // Most example back-ends already support this from 1.71. Pre-1.71 back-ends won't. + // Some graphics API such as GL ES 1/2 don't have a way to offset the starting vertex so it is not supported for them. + // (B) Or handle 32-bit indices in your renderer back-end, and uncomment '#define ImDrawIdx unsigned int' line in imconfig.h. + // Most example back-ends already support this. For example, the OpenGL example code detect index size at compile-time: + // glDrawElements(GL_TRIANGLES, (GLsizei)pcmd->ElemCount, sizeof(ImDrawIdx) == 2 ? GL_UNSIGNED_SHORT : GL_UNSIGNED_INT, idx_buffer_offset); + // Your own engine or render API may use different parameters or function calls to specify index sizes. + // 2 and 4 bytes indices are generally supported by most graphics API. + // - If for some reason neither of those solutions works for you, a workaround is to call BeginChild()/EndChild() before reaching + // the 64K limit to split your draw commands in multiple draw lists. + if (sizeof(ImDrawIdx) == 2) + IM_ASSERT(draw_list->_VtxCurrentIdx < (1 << 16) && "Too many vertices in ImDrawList using 16-bit indices. Read comment above"); + + out_list->push_back(draw_list); +} + +static void AddWindowToDrawData(ImVector* out_render_list, ImGuiWindow* window) +{ + ImGuiContext& g = *GImGui; + g.IO.MetricsRenderWindows++; + AddDrawListToDrawData(out_render_list, window->DrawList); + for (int i = 0; i < window->DC.ChildWindows.Size; i++) + { + ImGuiWindow* child = window->DC.ChildWindows[i]; + if (IsWindowActiveAndVisible(child)) // clipped children may have been marked not active + AddWindowToDrawData(out_render_list, child); + } +} + +// Layer is locked for the root window, however child windows may use a different viewport (e.g. extruding menu) +static void AddRootWindowToDrawData(ImGuiWindow* window) +{ + ImGuiContext& g = *GImGui; + int layer = (window->Flags & ImGuiWindowFlags_Tooltip) ? 1 : 0; + AddWindowToDrawData(&g.DrawDataBuilder.Layers[layer], window); +} + +void ImDrawDataBuilder::FlattenIntoSingleLayer() +{ + int n = Layers[0].Size; + int size = n; + for (int i = 1; i < IM_ARRAYSIZE(Layers); i++) + size += Layers[i].Size; + Layers[0].resize(size); + for (int layer_n = 1; layer_n < IM_ARRAYSIZE(Layers); layer_n++) + { + ImVector& layer = Layers[layer_n]; + if (layer.empty()) + continue; + memcpy(&Layers[0][n], &layer[0], layer.Size * sizeof(ImDrawList*)); + n += layer.Size; + layer.resize(0); + } +} + +static void SetupDrawData(ImVector* draw_lists, ImDrawData* draw_data) +{ + ImGuiIO& io = ImGui::GetIO(); + draw_data->Valid = true; + draw_data->CmdLists = (draw_lists->Size > 0) ? draw_lists->Data : NULL; + draw_data->CmdListsCount = draw_lists->Size; + draw_data->TotalVtxCount = draw_data->TotalIdxCount = 0; + draw_data->DisplayPos = ImVec2(0.0f, 0.0f); + draw_data->DisplaySize = io.DisplaySize; + draw_data->FramebufferScale = io.DisplayFramebufferScale; + for (int n = 0; n < draw_lists->Size; n++) + { + draw_data->TotalVtxCount += draw_lists->Data[n]->VtxBuffer.Size; + draw_data->TotalIdxCount += draw_lists->Data[n]->IdxBuffer.Size; + } +} + +// When using this function it is sane to ensure that float are perfectly rounded to integer values, to that e.g. (int)(max.x-min.x) in user's render produce correct result. +void ImGui::PushClipRect(const ImVec2& clip_rect_min, const ImVec2& clip_rect_max, bool intersect_with_current_clip_rect) +{ + ImGuiWindow* window = GetCurrentWindow(); + window->DrawList->PushClipRect(clip_rect_min, clip_rect_max, intersect_with_current_clip_rect); + window->ClipRect = window->DrawList->_ClipRectStack.back(); +} + +void ImGui::PopClipRect() +{ + ImGuiWindow* window = GetCurrentWindow(); + window->DrawList->PopClipRect(); + window->ClipRect = window->DrawList->_ClipRectStack.back(); +} + +// This is normally called by Render(). You may want to call it directly if you want to avoid calling Render() but the gain will be very minimal. +void ImGui::EndFrame() +{ + ImGuiContext& g = *GImGui; + IM_ASSERT(g.Initialized); + + // Don't process EndFrame() multiple times. + if (g.FrameCountEnded == g.FrameCount) + return; + IM_ASSERT(g.WithinFrameScope && "Forgot to call ImGui::NewFrame()?"); + + ErrorCheckEndFrameSanityChecks(); + + // Notify OS when our Input Method Editor cursor has moved (e.g. CJK inputs using Microsoft IME) + if (g.IO.ImeSetInputScreenPosFn && (g.PlatformImeLastPos.x == FLT_MAX || ImLengthSqr(g.PlatformImeLastPos - g.PlatformImePos) > 0.0001f)) + { + g.IO.ImeSetInputScreenPosFn((int)g.PlatformImePos.x, (int)g.PlatformImePos.y); + g.PlatformImeLastPos = g.PlatformImePos; + } + + // Hide implicit/fallback "Debug" window if it hasn't been used + g.WithinFrameScopeWithImplicitWindow = false; + if (g.CurrentWindow && !g.CurrentWindow->WriteAccessed) + g.CurrentWindow->Active = false; + End(); + + // Show CTRL+TAB list window + if (g.NavWindowingTarget != NULL) + NavUpdateWindowingOverlay(); + + // Drag and Drop: Elapse payload (if delivered, or if source stops being submitted) + if (g.DragDropActive) + { + bool is_delivered = g.DragDropPayload.Delivery; + bool is_elapsed = (g.DragDropPayload.DataFrameCount + 1 < g.FrameCount) && ((g.DragDropSourceFlags & ImGuiDragDropFlags_SourceAutoExpirePayload) || !IsMouseDown(g.DragDropMouseButton)); + if (is_delivered || is_elapsed) + ClearDragDrop(); + } + + // Drag and Drop: Fallback for source tooltip. This is not ideal but better than nothing. + if (g.DragDropActive && g.DragDropSourceFrameCount < g.FrameCount) + { + g.DragDropWithinSource = true; + SetTooltip("..."); + g.DragDropWithinSource = false; + } + + // End frame + g.WithinFrameScope = false; + g.FrameCountEnded = g.FrameCount; + + // Initiate moving window + handle left-click and right-click focus + UpdateMouseMovingWindowEndFrame(); + + // Sort the window list so that all child windows are after their parent + // We cannot do that on FocusWindow() because childs may not exist yet + g.WindowsTempSortBuffer.resize(0); + g.WindowsTempSortBuffer.reserve(g.Windows.Size); + for (int i = 0; i != g.Windows.Size; i++) + { + ImGuiWindow* window = g.Windows[i]; + if (window->Active && (window->Flags & ImGuiWindowFlags_ChildWindow)) // if a child is active its parent will add it + continue; + AddWindowToSortBuffer(&g.WindowsTempSortBuffer, window); + } + + // This usually assert if there is a mismatch between the ImGuiWindowFlags_ChildWindow / ParentWindow values and DC.ChildWindows[] in parents, aka we've done something wrong. + IM_ASSERT(g.Windows.Size == g.WindowsTempSortBuffer.Size); + g.Windows.swap(g.WindowsTempSortBuffer); + g.IO.MetricsActiveWindows = g.WindowsActiveCount; + + // Unlock font atlas + g.IO.Fonts->Locked = false; + + // Clear Input data for next frame + g.IO.MouseWheel = g.IO.MouseWheelH = 0.0f; + g.IO.InputQueueCharacters.resize(0); + memset(g.IO.NavInputs, 0, sizeof(g.IO.NavInputs)); +} + +void ImGui::Render() +{ + ImGuiContext& g = *GImGui; + IM_ASSERT(g.Initialized); + + if (g.FrameCountEnded != g.FrameCount) + EndFrame(); + g.FrameCountRendered = g.FrameCount; + g.IO.MetricsRenderWindows = 0; + g.DrawDataBuilder.Clear(); + + // Add background ImDrawList + if (!g.BackgroundDrawList.VtxBuffer.empty()) + AddDrawListToDrawData(&g.DrawDataBuilder.Layers[0], &g.BackgroundDrawList); + + // Add ImDrawList to render + ImGuiWindow* windows_to_render_top_most[2]; + windows_to_render_top_most[0] = (g.NavWindowingTarget && !(g.NavWindowingTarget->Flags & ImGuiWindowFlags_NoBringToFrontOnFocus)) ? g.NavWindowingTarget->RootWindow : NULL; + windows_to_render_top_most[1] = (g.NavWindowingTarget ? g.NavWindowingList : NULL); + for (int n = 0; n != g.Windows.Size; n++) + { + ImGuiWindow* window = g.Windows[n]; + if (IsWindowActiveAndVisible(window) && (window->Flags & ImGuiWindowFlags_ChildWindow) == 0 && window != windows_to_render_top_most[0] && window != windows_to_render_top_most[1]) + AddRootWindowToDrawData(window); + } + for (int n = 0; n < IM_ARRAYSIZE(windows_to_render_top_most); n++) + if (windows_to_render_top_most[n] && IsWindowActiveAndVisible(windows_to_render_top_most[n])) // NavWindowingTarget is always temporarily displayed as the top-most window + AddRootWindowToDrawData(windows_to_render_top_most[n]); + g.DrawDataBuilder.FlattenIntoSingleLayer(); + + // Draw software mouse cursor if requested + if (g.IO.MouseDrawCursor) + RenderMouseCursor(&g.ForegroundDrawList, g.IO.MousePos, g.Style.MouseCursorScale, g.MouseCursor, IM_COL32_WHITE, IM_COL32_BLACK, IM_COL32(0, 0, 0, 48)); + + // Add foreground ImDrawList + if (!g.ForegroundDrawList.VtxBuffer.empty()) + AddDrawListToDrawData(&g.DrawDataBuilder.Layers[0], &g.ForegroundDrawList); + + // Setup ImDrawData structure for end-user + SetupDrawData(&g.DrawDataBuilder.Layers[0], &g.DrawData); + g.IO.MetricsRenderVertices = g.DrawData.TotalVtxCount; + g.IO.MetricsRenderIndices = g.DrawData.TotalIdxCount; + + // (Legacy) Call the Render callback function. The current prefer way is to let the user retrieve GetDrawData() and call the render function themselves. +#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS + if (g.DrawData.CmdListsCount > 0 && g.IO.RenderDrawListsFn != NULL) + g.IO.RenderDrawListsFn(&g.DrawData); +#endif +} + +// Calculate text size. Text can be multi-line. Optionally ignore text after a ## marker. +// CalcTextSize("") should return ImVec2(0.0f, g.FontSize) +ImVec2 ImGui::CalcTextSize(const char* text, const char* text_end, bool hide_text_after_double_hash, float wrap_width) +{ + ImGuiContext& g = *GImGui; + + const char* text_display_end; + if (hide_text_after_double_hash) + text_display_end = FindRenderedTextEnd(text, text_end); // Hide anything after a '##' string + else + text_display_end = text_end; + + ImFont* font = g.Font; + const float font_size = g.FontSize; + if (text == text_display_end) + return ImVec2(0.0f, font_size); + ImVec2 text_size = font->CalcTextSizeA(font_size, FLT_MAX, wrap_width, text, text_display_end, NULL); + + // Round + text_size.x = IM_FLOOR(text_size.x + 0.95f); + + return text_size; +} + +// Find window given position, search front-to-back +// FIXME: Note that we have an inconsequential lag here: OuterRectClipped is updated in Begin(), so windows moved programatically +// with SetWindowPos() and not SetNextWindowPos() will have that rectangle lagging by a frame at the time FindHoveredWindow() is +// called, aka before the next Begin(). Moving window isn't affected. +static void FindHoveredWindow() +{ + ImGuiContext& g = *GImGui; + + ImGuiWindow* hovered_window = NULL; + if (g.MovingWindow && !(g.MovingWindow->Flags & ImGuiWindowFlags_NoMouseInputs)) + hovered_window = g.MovingWindow; + + ImVec2 padding_regular = g.Style.TouchExtraPadding; + ImVec2 padding_for_resize_from_edges = g.IO.ConfigWindowsResizeFromEdges ? ImMax(g.Style.TouchExtraPadding, ImVec2(WINDOWS_RESIZE_FROM_EDGES_HALF_THICKNESS, WINDOWS_RESIZE_FROM_EDGES_HALF_THICKNESS)) : padding_regular; + for (int i = g.Windows.Size - 1; i >= 0; i--) + { + ImGuiWindow* window = g.Windows[i]; + if (!window->Active || window->Hidden) + continue; + if (window->Flags & ImGuiWindowFlags_NoMouseInputs) + continue; + + // Using the clipped AABB, a child window will typically be clipped by its parent (not always) + ImRect bb(window->OuterRectClipped); + if (window->Flags & (ImGuiWindowFlags_ChildWindow | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_AlwaysAutoResize)) + bb.Expand(padding_regular); + else + bb.Expand(padding_for_resize_from_edges); + if (!bb.Contains(g.IO.MousePos)) + continue; + + // Those seemingly unnecessary extra tests are because the code here is a little different in viewport/docking branches. + if (hovered_window == NULL) + hovered_window = window; + if (hovered_window) + break; + } + + g.HoveredWindow = hovered_window; + g.HoveredRootWindow = g.HoveredWindow ? g.HoveredWindow->RootWindow : NULL; + +} + +// Test if mouse cursor is hovering given rectangle +// NB- Rectangle is clipped by our current clip setting +// NB- Expand the rectangle to be generous on imprecise inputs systems (g.Style.TouchExtraPadding) +bool ImGui::IsMouseHoveringRect(const ImVec2& r_min, const ImVec2& r_max, bool clip) +{ + ImGuiContext& g = *GImGui; + + // Clip + ImRect rect_clipped(r_min, r_max); + if (clip) + rect_clipped.ClipWith(g.CurrentWindow->ClipRect); + + // Expand for touch input + const ImRect rect_for_touch(rect_clipped.Min - g.Style.TouchExtraPadding, rect_clipped.Max + g.Style.TouchExtraPadding); + if (!rect_for_touch.Contains(g.IO.MousePos)) + return false; + return true; +} + +int ImGui::GetKeyIndex(ImGuiKey imgui_key) +{ + IM_ASSERT(imgui_key >= 0 && imgui_key < ImGuiKey_COUNT); + ImGuiContext& g = *GImGui; + return g.IO.KeyMap[imgui_key]; +} + +// Note that dear imgui doesn't know the semantic of each entry of io.KeysDown[]! +// Use your own indices/enums according to how your back-end/engine stored them into io.KeysDown[]! +bool ImGui::IsKeyDown(int user_key_index) +{ + if (user_key_index < 0) + return false; + ImGuiContext& g = *GImGui; + IM_ASSERT(user_key_index >= 0 && user_key_index < IM_ARRAYSIZE(g.IO.KeysDown)); + return g.IO.KeysDown[user_key_index]; +} + +// t0 = previous time (e.g.: g.Time - g.IO.DeltaTime) +// t1 = current time (e.g.: g.Time) +// An event is triggered at: +// t = 0.0f t = repeat_delay, t = repeat_delay + repeat_rate*N +int ImGui::CalcTypematicRepeatAmount(float t0, float t1, float repeat_delay, float repeat_rate) +{ + if (t1 == 0.0f) + return 1; + if (t0 >= t1) + return 0; + if (repeat_rate <= 0.0f) + return (t0 < repeat_delay) && (t1 >= repeat_delay); + const int count_t0 = (t0 < repeat_delay) ? -1 : (int)((t0 - repeat_delay) / repeat_rate); + const int count_t1 = (t1 < repeat_delay) ? -1 : (int)((t1 - repeat_delay) / repeat_rate); + const int count = count_t1 - count_t0; + return count; +} + +int ImGui::GetKeyPressedAmount(int key_index, float repeat_delay, float repeat_rate) +{ + ImGuiContext& g = *GImGui; + if (key_index < 0) + return 0; + IM_ASSERT(key_index >= 0 && key_index < IM_ARRAYSIZE(g.IO.KeysDown)); + const float t = g.IO.KeysDownDuration[key_index]; + return CalcTypematicRepeatAmount(t - g.IO.DeltaTime, t, repeat_delay, repeat_rate); +} + +bool ImGui::IsKeyPressed(int user_key_index, bool repeat) +{ + ImGuiContext& g = *GImGui; + if (user_key_index < 0) + return false; + IM_ASSERT(user_key_index >= 0 && user_key_index < IM_ARRAYSIZE(g.IO.KeysDown)); + const float t = g.IO.KeysDownDuration[user_key_index]; + if (t == 0.0f) + return true; + if (repeat && t > g.IO.KeyRepeatDelay) + return GetKeyPressedAmount(user_key_index, g.IO.KeyRepeatDelay, g.IO.KeyRepeatRate) > 0; + return false; +} + +bool ImGui::IsKeyReleased(int user_key_index) +{ + ImGuiContext& g = *GImGui; + if (user_key_index < 0) return false; + IM_ASSERT(user_key_index >= 0 && user_key_index < IM_ARRAYSIZE(g.IO.KeysDown)); + return g.IO.KeysDownDurationPrev[user_key_index] >= 0.0f && !g.IO.KeysDown[user_key_index]; +} + +bool ImGui::IsMouseDown(ImGuiMouseButton button) +{ + ImGuiContext& g = *GImGui; + IM_ASSERT(button >= 0 && button < IM_ARRAYSIZE(g.IO.MouseDown)); + return g.IO.MouseDown[button]; +} + +bool ImGui::IsMouseClicked(ImGuiMouseButton button, bool repeat) +{ + ImGuiContext& g = *GImGui; + IM_ASSERT(button >= 0 && button < IM_ARRAYSIZE(g.IO.MouseDown)); + const float t = g.IO.MouseDownDuration[button]; + if (t == 0.0f) + return true; + + if (repeat && t > g.IO.KeyRepeatDelay) + { + // FIXME: 2019/05/03: Our old repeat code was wrong here and led to doubling the repeat rate, which made it an ok rate for repeat on mouse hold. + int amount = CalcTypematicRepeatAmount(t - g.IO.DeltaTime, t, g.IO.KeyRepeatDelay, g.IO.KeyRepeatRate * 0.50f); + if (amount > 0) + return true; + } + return false; +} + +bool ImGui::IsMouseReleased(ImGuiMouseButton button) +{ + ImGuiContext& g = *GImGui; + IM_ASSERT(button >= 0 && button < IM_ARRAYSIZE(g.IO.MouseDown)); + return g.IO.MouseReleased[button]; +} + +bool ImGui::IsMouseDoubleClicked(ImGuiMouseButton button) +{ + ImGuiContext& g = *GImGui; + IM_ASSERT(button >= 0 && button < IM_ARRAYSIZE(g.IO.MouseDown)); + return g.IO.MouseDoubleClicked[button]; +} + +// [Internal] This doesn't test if the button is pressed +bool ImGui::IsMouseDragPastThreshold(ImGuiMouseButton button, float lock_threshold) +{ + ImGuiContext& g = *GImGui; + IM_ASSERT(button >= 0 && button < IM_ARRAYSIZE(g.IO.MouseDown)); + if (lock_threshold < 0.0f) + lock_threshold = g.IO.MouseDragThreshold; + return g.IO.MouseDragMaxDistanceSqr[button] >= lock_threshold * lock_threshold; +} + +bool ImGui::IsMouseDragging(ImGuiMouseButton button, float lock_threshold) +{ + ImGuiContext& g = *GImGui; + IM_ASSERT(button >= 0 && button < IM_ARRAYSIZE(g.IO.MouseDown)); + if (!g.IO.MouseDown[button]) + return false; + return IsMouseDragPastThreshold(button, lock_threshold); +} + +ImVec2 ImGui::GetMousePos() +{ + ImGuiContext& g = *GImGui; + return g.IO.MousePos; +} + +// NB: prefer to call right after BeginPopup(). At the time Selectable/MenuItem is activated, the popup is already closed! +ImVec2 ImGui::GetMousePosOnOpeningCurrentPopup() +{ + ImGuiContext& g = *GImGui; + if (g.BeginPopupStack.Size > 0) + return g.OpenPopupStack[g.BeginPopupStack.Size-1].OpenMousePos; + return g.IO.MousePos; +} + +// We typically use ImVec2(-FLT_MAX,-FLT_MAX) to denote an invalid mouse position. +bool ImGui::IsMousePosValid(const ImVec2* mouse_pos) +{ + // The assert is only to silence a false-positive in XCode Static Analysis. + // Because GImGui is not dereferenced in every code path, the static analyzer assume that it may be NULL (which it doesn't for other functions). + IM_ASSERT(GImGui != NULL); + const float MOUSE_INVALID = -256000.0f; + ImVec2 p = mouse_pos ? *mouse_pos : GImGui->IO.MousePos; + return p.x >= MOUSE_INVALID && p.y >= MOUSE_INVALID; +} + +bool ImGui::IsAnyMouseDown() +{ + ImGuiContext& g = *GImGui; + for (int n = 0; n < IM_ARRAYSIZE(g.IO.MouseDown); n++) + if (g.IO.MouseDown[n]) + return true; + return false; +} + +// Return the delta from the initial clicking position while the mouse button is clicked or was just released. +// This is locked and return 0.0f until the mouse moves past a distance threshold at least once. +// NB: This is only valid if IsMousePosValid(). Back-ends in theory should always keep mouse position valid when dragging even outside the client window. +ImVec2 ImGui::GetMouseDragDelta(ImGuiMouseButton button, float lock_threshold) +{ + ImGuiContext& g = *GImGui; + IM_ASSERT(button >= 0 && button < IM_ARRAYSIZE(g.IO.MouseDown)); + if (lock_threshold < 0.0f) + lock_threshold = g.IO.MouseDragThreshold; + if (g.IO.MouseDown[button] || g.IO.MouseReleased[button]) + if (g.IO.MouseDragMaxDistanceSqr[button] >= lock_threshold * lock_threshold) + if (IsMousePosValid(&g.IO.MousePos) && IsMousePosValid(&g.IO.MouseClickedPos[button])) + return g.IO.MousePos - g.IO.MouseClickedPos[button]; + return ImVec2(0.0f, 0.0f); +} + +void ImGui::ResetMouseDragDelta(ImGuiMouseButton button) +{ + ImGuiContext& g = *GImGui; + IM_ASSERT(button >= 0 && button < IM_ARRAYSIZE(g.IO.MouseDown)); + // NB: We don't need to reset g.IO.MouseDragMaxDistanceSqr + g.IO.MouseClickedPos[button] = g.IO.MousePos; +} + +ImGuiMouseCursor ImGui::GetMouseCursor() +{ + return GImGui->MouseCursor; +} + +void ImGui::SetMouseCursor(ImGuiMouseCursor cursor_type) +{ + GImGui->MouseCursor = cursor_type; +} + +void ImGui::CaptureKeyboardFromApp(bool capture) +{ + GImGui->WantCaptureKeyboardNextFrame = capture ? 1 : 0; +} + +void ImGui::CaptureMouseFromApp(bool capture) +{ + GImGui->WantCaptureMouseNextFrame = capture ? 1 : 0; +} + +bool ImGui::IsItemActive() +{ + ImGuiContext& g = *GImGui; + if (g.ActiveId) + { + ImGuiWindow* window = g.CurrentWindow; + return g.ActiveId == window->DC.LastItemId; + } + return false; +} + +bool ImGui::IsItemActivated() +{ + ImGuiContext& g = *GImGui; + if (g.ActiveId) + { + ImGuiWindow* window = g.CurrentWindow; + if (g.ActiveId == window->DC.LastItemId && g.ActiveIdPreviousFrame != window->DC.LastItemId) + return true; + } + return false; +} + +bool ImGui::IsItemDeactivated() +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + if (window->DC.LastItemStatusFlags & ImGuiItemStatusFlags_HasDeactivated) + return (window->DC.LastItemStatusFlags & ImGuiItemStatusFlags_Deactivated) != 0; + return (g.ActiveIdPreviousFrame == window->DC.LastItemId && g.ActiveIdPreviousFrame != 0 && g.ActiveId != window->DC.LastItemId); +} + +bool ImGui::IsItemDeactivatedAfterEdit() +{ + ImGuiContext& g = *GImGui; + return IsItemDeactivated() && (g.ActiveIdPreviousFrameHasBeenEditedBefore || (g.ActiveId == 0 && g.ActiveIdHasBeenEditedBefore)); +} + +bool ImGui::IsItemFocused() +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + + if (g.NavId == 0 || g.NavDisableHighlight || g.NavId != window->DC.LastItemId) + return false; + return true; +} + +bool ImGui::IsItemClicked(ImGuiMouseButton mouse_button) +{ + return IsMouseClicked(mouse_button) && IsItemHovered(ImGuiHoveredFlags_None); +} + +bool ImGui::IsItemToggledOpen() +{ + ImGuiContext& g = *GImGui; + return (g.CurrentWindow->DC.LastItemStatusFlags & ImGuiItemStatusFlags_ToggledOpen) ? true : false; +} + +bool ImGui::IsItemToggledSelection() +{ + ImGuiContext& g = *GImGui; + return (g.CurrentWindow->DC.LastItemStatusFlags & ImGuiItemStatusFlags_ToggledSelection) ? true : false; +} + +bool ImGui::IsAnyItemHovered() +{ + ImGuiContext& g = *GImGui; + return g.HoveredId != 0 || g.HoveredIdPreviousFrame != 0; +} + +bool ImGui::IsAnyItemActive() +{ + ImGuiContext& g = *GImGui; + return g.ActiveId != 0; +} + +bool ImGui::IsAnyItemFocused() +{ + ImGuiContext& g = *GImGui; + return g.NavId != 0 && !g.NavDisableHighlight; +} + +bool ImGui::IsItemVisible() +{ + ImGuiWindow* window = GetCurrentWindowRead(); + return window->ClipRect.Overlaps(window->DC.LastItemRect); +} + +bool ImGui::IsItemEdited() +{ + ImGuiWindow* window = GetCurrentWindowRead(); + return (window->DC.LastItemStatusFlags & ImGuiItemStatusFlags_Edited) != 0; +} + +// Allow last item to be overlapped by a subsequent item. Both may be activated during the same frame before the later one takes priority. +void ImGui::SetItemAllowOverlap() +{ + ImGuiContext& g = *GImGui; + if (g.HoveredId == g.CurrentWindow->DC.LastItemId) + g.HoveredIdAllowOverlap = true; + if (g.ActiveId == g.CurrentWindow->DC.LastItemId) + g.ActiveIdAllowOverlap = true; +} + +ImVec2 ImGui::GetItemRectMin() +{ + ImGuiWindow* window = GetCurrentWindowRead(); + return window->DC.LastItemRect.Min; +} + +ImVec2 ImGui::GetItemRectMax() +{ + ImGuiWindow* window = GetCurrentWindowRead(); + return window->DC.LastItemRect.Max; +} + +ImVec2 ImGui::GetItemRectSize() +{ + ImGuiWindow* window = GetCurrentWindowRead(); + return window->DC.LastItemRect.GetSize(); +} + +static ImRect GetViewportRect() +{ + ImGuiContext& g = *GImGui; + return ImRect(0.0f, 0.0f, g.IO.DisplaySize.x, g.IO.DisplaySize.y); +} + +bool ImGui::BeginChildEx(const char* name, ImGuiID id, const ImVec2& size_arg, bool border, ImGuiWindowFlags flags) +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* parent_window = g.CurrentWindow; + + flags |= ImGuiWindowFlags_NoTitleBar|ImGuiWindowFlags_NoResize|ImGuiWindowFlags_NoSavedSettings|ImGuiWindowFlags_ChildWindow; + flags |= (parent_window->Flags & ImGuiWindowFlags_NoMove); // Inherit the NoMove flag + + // Size + const ImVec2 content_avail = GetContentRegionAvail(); + ImVec2 size = ImFloor(size_arg); + const int auto_fit_axises = ((size.x == 0.0f) ? (1 << ImGuiAxis_X) : 0x00) | ((size.y == 0.0f) ? (1 << ImGuiAxis_Y) : 0x00); + if (size.x <= 0.0f) + size.x = ImMax(content_avail.x + size.x, 4.0f); // Arbitrary minimum child size (0.0f causing too much issues) + if (size.y <= 0.0f) + size.y = ImMax(content_avail.y + size.y, 4.0f); + SetNextWindowSize(size); + + // Build up name. If you need to append to a same child from multiple location in the ID stack, use BeginChild(ImGuiID id) with a stable value. + char title[256]; + if (name) + ImFormatString(title, IM_ARRAYSIZE(title), "%s/%s_%08X", parent_window->Name, name, id); + else + ImFormatString(title, IM_ARRAYSIZE(title), "%s/%08X", parent_window->Name, id); + + const float backup_border_size = g.Style.ChildBorderSize; + if (!border) + g.Style.ChildBorderSize = 0.0f; + bool ret = Begin(title, NULL, flags); + g.Style.ChildBorderSize = backup_border_size; + + ImGuiWindow* child_window = g.CurrentWindow; + child_window->ChildId = id; + child_window->AutoFitChildAxises = (ImS8)auto_fit_axises; + + // Set the cursor to handle case where the user called SetNextWindowPos()+BeginChild() manually. + // While this is not really documented/defined, it seems that the expected thing to do. + if (child_window->BeginCount == 1) + parent_window->DC.CursorPos = child_window->Pos; + + // Process navigation-in immediately so NavInit can run on first frame + if (g.NavActivateId == id && !(flags & ImGuiWindowFlags_NavFlattened) && (child_window->DC.NavLayerActiveMask != 0 || child_window->DC.NavHasScroll)) + { + FocusWindow(child_window); + NavInitWindow(child_window, false); + SetActiveID(id+1, child_window); // Steal ActiveId with a dummy id so that key-press won't activate child item + g.ActiveIdSource = ImGuiInputSource_Nav; + } + return ret; +} + +bool ImGui::BeginChild(const char* str_id, const ImVec2& size_arg, bool border, ImGuiWindowFlags extra_flags) +{ + ImGuiWindow* window = GetCurrentWindow(); + return BeginChildEx(str_id, window->GetID(str_id), size_arg, border, extra_flags); +} + +bool ImGui::BeginChild(ImGuiID id, const ImVec2& size_arg, bool border, ImGuiWindowFlags extra_flags) +{ + IM_ASSERT(id != 0); + return BeginChildEx(NULL, id, size_arg, border, extra_flags); +} + +void ImGui::EndChild() +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + + IM_ASSERT(g.WithinEndChild == false); + IM_ASSERT(window->Flags & ImGuiWindowFlags_ChildWindow); // Mismatched BeginChild()/EndChild() calls + + g.WithinEndChild = true; + if (window->BeginCount > 1) + { + End(); + } + else + { + ImVec2 sz = window->Size; + if (window->AutoFitChildAxises & (1 << ImGuiAxis_X)) // Arbitrary minimum zero-ish child size of 4.0f causes less trouble than a 0.0f + sz.x = ImMax(4.0f, sz.x); + if (window->AutoFitChildAxises & (1 << ImGuiAxis_Y)) + sz.y = ImMax(4.0f, sz.y); + End(); + + ImGuiWindow* parent_window = g.CurrentWindow; + ImRect bb(parent_window->DC.CursorPos, parent_window->DC.CursorPos + sz); + ItemSize(sz); + if ((window->DC.NavLayerActiveMask != 0 || window->DC.NavHasScroll) && !(window->Flags & ImGuiWindowFlags_NavFlattened)) + { + ItemAdd(bb, window->ChildId); + RenderNavHighlight(bb, window->ChildId); + + // When browsing a window that has no activable items (scroll only) we keep a highlight on the child + if (window->DC.NavLayerActiveMask == 0 && window == g.NavWindow) + RenderNavHighlight(ImRect(bb.Min - ImVec2(2,2), bb.Max + ImVec2(2,2)), g.NavId, ImGuiNavHighlightFlags_TypeThin); + } + else + { + // Not navigable into + ItemAdd(bb, 0); + } + } + g.WithinEndChild = false; +} + +// Helper to create a child window / scrolling region that looks like a normal widget frame. +bool ImGui::BeginChildFrame(ImGuiID id, const ImVec2& size, ImGuiWindowFlags extra_flags) +{ + ImGuiContext& g = *GImGui; + const ImGuiStyle& style = g.Style; + PushStyleColor(ImGuiCol_ChildBg, style.Colors[ImGuiCol_FrameBg]); + PushStyleVar(ImGuiStyleVar_ChildRounding, style.FrameRounding); + PushStyleVar(ImGuiStyleVar_ChildBorderSize, style.FrameBorderSize); + PushStyleVar(ImGuiStyleVar_WindowPadding, style.FramePadding); + bool ret = BeginChild(id, size, true, ImGuiWindowFlags_NoMove | ImGuiWindowFlags_AlwaysUseWindowPadding | extra_flags); + PopStyleVar(3); + PopStyleColor(); + return ret; +} + +void ImGui::EndChildFrame() +{ + EndChild(); +} + +static void SetWindowConditionAllowFlags(ImGuiWindow* window, ImGuiCond flags, bool enabled) +{ + window->SetWindowPosAllowFlags = enabled ? (window->SetWindowPosAllowFlags | flags) : (window->SetWindowPosAllowFlags & ~flags); + window->SetWindowSizeAllowFlags = enabled ? (window->SetWindowSizeAllowFlags | flags) : (window->SetWindowSizeAllowFlags & ~flags); + window->SetWindowCollapsedAllowFlags = enabled ? (window->SetWindowCollapsedAllowFlags | flags) : (window->SetWindowCollapsedAllowFlags & ~flags); +} + +ImGuiWindow* ImGui::FindWindowByID(ImGuiID id) +{ + ImGuiContext& g = *GImGui; + return (ImGuiWindow*)g.WindowsById.GetVoidPtr(id); +} + +ImGuiWindow* ImGui::FindWindowByName(const char* name) +{ + ImGuiID id = ImHashStr(name); + return FindWindowByID(id); +} + +static ImGuiWindow* CreateNewWindow(const char* name, ImVec2 size, ImGuiWindowFlags flags) +{ + ImGuiContext& g = *GImGui; + //IMGUI_DEBUG_LOG("CreateNewWindow '%s', flags = 0x%08X\n", name, flags); + + // Create window the first time + ImGuiWindow* window = IM_NEW(ImGuiWindow)(&g, name); + window->Flags = flags; + g.WindowsById.SetVoidPtr(window->ID, window); + + // Default/arbitrary window position. Use SetNextWindowPos() with the appropriate condition flag to change the initial position of a window. + window->Pos = ImVec2(60, 60); + + // User can disable loading and saving of settings. Tooltip and child windows also don't store settings. + if (!(flags & ImGuiWindowFlags_NoSavedSettings)) + if (ImGuiWindowSettings* settings = ImGui::FindWindowSettings(window->ID)) + { + // Retrieve settings from .ini file + window->SettingsOffset = g.SettingsWindows.offset_from_ptr(settings); + SetWindowConditionAllowFlags(window, ImGuiCond_FirstUseEver, false); + window->Pos = ImVec2(settings->Pos.x, settings->Pos.y); + window->Collapsed = settings->Collapsed; + if (settings->Size.x > 0 && settings->Size.y > 0) + size = ImVec2(settings->Size.x, settings->Size.y); + } + window->Size = window->SizeFull = ImFloor(size); + window->DC.CursorStartPos = window->DC.CursorMaxPos = window->Pos; // So first call to CalcContentSize() doesn't return crazy values + + if ((flags & ImGuiWindowFlags_AlwaysAutoResize) != 0) + { + window->AutoFitFramesX = window->AutoFitFramesY = 2; + window->AutoFitOnlyGrows = false; + } + else + { + if (window->Size.x <= 0.0f) + window->AutoFitFramesX = 2; + if (window->Size.y <= 0.0f) + window->AutoFitFramesY = 2; + window->AutoFitOnlyGrows = (window->AutoFitFramesX > 0) || (window->AutoFitFramesY > 0); + } + + g.WindowsFocusOrder.push_back(window); + if (flags & ImGuiWindowFlags_NoBringToFrontOnFocus) + g.Windows.push_front(window); // Quite slow but rare and only once + else + g.Windows.push_back(window); + return window; +} + +static ImVec2 CalcWindowSizeAfterConstraint(ImGuiWindow* window, ImVec2 new_size) +{ + ImGuiContext& g = *GImGui; + if (g.NextWindowData.Flags & ImGuiNextWindowDataFlags_HasSizeConstraint) + { + // Using -1,-1 on either X/Y axis to preserve the current size. + ImRect cr = g.NextWindowData.SizeConstraintRect; + new_size.x = (cr.Min.x >= 0 && cr.Max.x >= 0) ? ImClamp(new_size.x, cr.Min.x, cr.Max.x) : window->SizeFull.x; + new_size.y = (cr.Min.y >= 0 && cr.Max.y >= 0) ? ImClamp(new_size.y, cr.Min.y, cr.Max.y) : window->SizeFull.y; + if (g.NextWindowData.SizeCallback) + { + ImGuiSizeCallbackData data; + data.UserData = g.NextWindowData.SizeCallbackUserData; + data.Pos = window->Pos; + data.CurrentSize = window->SizeFull; + data.DesiredSize = new_size; + g.NextWindowData.SizeCallback(&data); + new_size = data.DesiredSize; + } + new_size.x = IM_FLOOR(new_size.x); + new_size.y = IM_FLOOR(new_size.y); + } + + // Minimum size + if (!(window->Flags & (ImGuiWindowFlags_ChildWindow | ImGuiWindowFlags_AlwaysAutoResize))) + { + ImGuiWindow* window_for_height = window; + new_size = ImMax(new_size, g.Style.WindowMinSize); + new_size.y = ImMax(new_size.y, window_for_height->TitleBarHeight() + window_for_height->MenuBarHeight() + ImMax(0.0f, g.Style.WindowRounding - 1.0f)); // Reduce artifacts with very small windows + } + return new_size; +} + +static ImVec2 CalcWindowContentSize(ImGuiWindow* window) +{ + if (window->Collapsed) + if (window->AutoFitFramesX <= 0 && window->AutoFitFramesY <= 0) + return window->ContentSize; + if (window->Hidden && window->HiddenFramesCannotSkipItems == 0 && window->HiddenFramesCanSkipItems > 0) + return window->ContentSize; + + ImVec2 sz; + sz.x = IM_FLOOR((window->ContentSizeExplicit.x != 0.0f) ? window->ContentSizeExplicit.x : window->DC.CursorMaxPos.x - window->DC.CursorStartPos.x); + sz.y = IM_FLOOR((window->ContentSizeExplicit.y != 0.0f) ? window->ContentSizeExplicit.y : window->DC.CursorMaxPos.y - window->DC.CursorStartPos.y); + return sz; +} + +static ImVec2 CalcWindowAutoFitSize(ImGuiWindow* window, const ImVec2& size_contents) +{ + ImGuiContext& g = *GImGui; + ImGuiStyle& style = g.Style; + ImVec2 size_decorations = ImVec2(0.0f, window->TitleBarHeight() + window->MenuBarHeight()); + ImVec2 size_pad = window->WindowPadding * 2.0f; + ImVec2 size_desired = size_contents + size_pad + size_decorations; + if (window->Flags & ImGuiWindowFlags_Tooltip) + { + // Tooltip always resize + return size_desired; + } + else + { + // Maximum window size is determined by the viewport size or monitor size + const bool is_popup = (window->Flags & ImGuiWindowFlags_Popup) != 0; + const bool is_menu = (window->Flags & ImGuiWindowFlags_ChildMenu) != 0; + ImVec2 size_min = style.WindowMinSize; + if (is_popup || is_menu) // Popups and menus bypass style.WindowMinSize by default, but we give then a non-zero minimum size to facilitate understanding problematic cases (e.g. empty popups) + size_min = ImMin(size_min, ImVec2(4.0f, 4.0f)); + ImVec2 size_auto_fit = ImClamp(size_desired, size_min, ImMax(size_min, g.IO.DisplaySize - style.DisplaySafeAreaPadding * 2.0f)); + + // When the window cannot fit all contents (either because of constraints, either because screen is too small), + // we are growing the size on the other axis to compensate for expected scrollbar. FIXME: Might turn bigger than ViewportSize-WindowPadding. + ImVec2 size_auto_fit_after_constraint = CalcWindowSizeAfterConstraint(window, size_auto_fit); + bool will_have_scrollbar_x = (size_auto_fit_after_constraint.x - size_pad.x - size_decorations.x < size_contents.x && !(window->Flags & ImGuiWindowFlags_NoScrollbar) && (window->Flags & ImGuiWindowFlags_HorizontalScrollbar)) || (window->Flags & ImGuiWindowFlags_AlwaysHorizontalScrollbar); + bool will_have_scrollbar_y = (size_auto_fit_after_constraint.y - size_pad.y - size_decorations.y < size_contents.y && !(window->Flags & ImGuiWindowFlags_NoScrollbar)) || (window->Flags & ImGuiWindowFlags_AlwaysVerticalScrollbar); + if (will_have_scrollbar_x) + size_auto_fit.y += style.ScrollbarSize; + if (will_have_scrollbar_y) + size_auto_fit.x += style.ScrollbarSize; + return size_auto_fit; + } +} + +ImVec2 ImGui::CalcWindowExpectedSize(ImGuiWindow* window) +{ + ImVec2 size_contents = CalcWindowContentSize(window); + ImVec2 size_auto_fit = CalcWindowAutoFitSize(window, size_contents); + ImVec2 size_final = CalcWindowSizeAfterConstraint(window, size_auto_fit); + return size_final; +} + +static ImGuiCol GetWindowBgColorIdxFromFlags(ImGuiWindowFlags flags) +{ + if (flags & (ImGuiWindowFlags_Tooltip | ImGuiWindowFlags_Popup)) + return ImGuiCol_PopupBg; + if (flags & ImGuiWindowFlags_ChildWindow) + return ImGuiCol_ChildBg; + return ImGuiCol_WindowBg; +} + +static void CalcResizePosSizeFromAnyCorner(ImGuiWindow* window, const ImVec2& corner_target, const ImVec2& corner_norm, ImVec2* out_pos, ImVec2* out_size) +{ + ImVec2 pos_min = ImLerp(corner_target, window->Pos, corner_norm); // Expected window upper-left + ImVec2 pos_max = ImLerp(window->Pos + window->Size, corner_target, corner_norm); // Expected window lower-right + ImVec2 size_expected = pos_max - pos_min; + ImVec2 size_constrained = CalcWindowSizeAfterConstraint(window, size_expected); + *out_pos = pos_min; + if (corner_norm.x == 0.0f) + out_pos->x -= (size_constrained.x - size_expected.x); + if (corner_norm.y == 0.0f) + out_pos->y -= (size_constrained.y - size_expected.y); + *out_size = size_constrained; +} + +struct ImGuiResizeGripDef +{ + ImVec2 CornerPosN; + ImVec2 InnerDir; + int AngleMin12, AngleMax12; +}; + +static const ImGuiResizeGripDef resize_grip_def[4] = +{ + { ImVec2(1,1), ImVec2(-1,-1), 0, 3 }, // Lower-right + { ImVec2(0,1), ImVec2(+1,-1), 3, 6 }, // Lower-left + { ImVec2(0,0), ImVec2(+1,+1), 6, 9 }, // Upper-left (Unused) + { ImVec2(1,0), ImVec2(-1,+1), 9,12 }, // Upper-right (Unused) +}; + +static ImRect GetResizeBorderRect(ImGuiWindow* window, int border_n, float perp_padding, float thickness) +{ + ImRect rect = window->Rect(); + if (thickness == 0.0f) rect.Max -= ImVec2(1,1); + if (border_n == 0) return ImRect(rect.Min.x + perp_padding, rect.Min.y - thickness, rect.Max.x - perp_padding, rect.Min.y + thickness); // Top + if (border_n == 1) return ImRect(rect.Max.x - thickness, rect.Min.y + perp_padding, rect.Max.x + thickness, rect.Max.y - perp_padding); // Right + if (border_n == 2) return ImRect(rect.Min.x + perp_padding, rect.Max.y - thickness, rect.Max.x - perp_padding, rect.Max.y + thickness); // Bottom + if (border_n == 3) return ImRect(rect.Min.x - thickness, rect.Min.y + perp_padding, rect.Min.x + thickness, rect.Max.y - perp_padding); // Left + IM_ASSERT(0); + return ImRect(); +} + +// 0..3: corners (Lower-right, Lower-left, Unused, Unused) +// 4..7: borders (Top, Right, Bottom, Left) +ImGuiID ImGui::GetWindowResizeID(ImGuiWindow* window, int n) +{ + IM_ASSERT(n >= 0 && n <= 7); + ImGuiID id = window->ID; + id = ImHashStr("#RESIZE", 0, id); + id = ImHashData(&n, sizeof(int), id); + return id; +} + +// Handle resize for: Resize Grips, Borders, Gamepad +// Return true when using auto-fit (double click on resize grip) +static bool ImGui::UpdateWindowManualResize(ImGuiWindow* window, const ImVec2& size_auto_fit, int* border_held, int resize_grip_count, ImU32 resize_grip_col[4]) +{ + ImGuiContext& g = *GImGui; + ImGuiWindowFlags flags = window->Flags; + + if ((flags & ImGuiWindowFlags_NoResize) || (flags & ImGuiWindowFlags_AlwaysAutoResize) || window->AutoFitFramesX > 0 || window->AutoFitFramesY > 0) + return false; + if (window->WasActive == false) // Early out to avoid running this code for e.g. an hidden implicit/fallback Debug window. + return false; + + bool ret_auto_fit = false; + const int resize_border_count = g.IO.ConfigWindowsResizeFromEdges ? 4 : 0; + const float grip_draw_size = IM_FLOOR(ImMax(g.FontSize * 1.35f, window->WindowRounding + 1.0f + g.FontSize * 0.2f)); + const float grip_hover_inner_size = IM_FLOOR(grip_draw_size * 0.75f); + const float grip_hover_outer_size = g.IO.ConfigWindowsResizeFromEdges ? WINDOWS_RESIZE_FROM_EDGES_HALF_THICKNESS : 0.0f; + + ImVec2 pos_target(FLT_MAX, FLT_MAX); + ImVec2 size_target(FLT_MAX, FLT_MAX); + + // Resize grips and borders are on layer 1 + window->DC.NavLayerCurrent = ImGuiNavLayer_Menu; + window->DC.NavLayerCurrentMask = (1 << ImGuiNavLayer_Menu); + + // Manual resize grips + PushID("#RESIZE"); + for (int resize_grip_n = 0; resize_grip_n < resize_grip_count; resize_grip_n++) + { + const ImGuiResizeGripDef& grip = resize_grip_def[resize_grip_n]; + const ImVec2 corner = ImLerp(window->Pos, window->Pos + window->Size, grip.CornerPosN); + + // Using the FlattenChilds button flag we make the resize button accessible even if we are hovering over a child window + ImRect resize_rect(corner - grip.InnerDir * grip_hover_outer_size, corner + grip.InnerDir * grip_hover_inner_size); + if (resize_rect.Min.x > resize_rect.Max.x) ImSwap(resize_rect.Min.x, resize_rect.Max.x); + if (resize_rect.Min.y > resize_rect.Max.y) ImSwap(resize_rect.Min.y, resize_rect.Max.y); + bool hovered, held; + ButtonBehavior(resize_rect, window->GetID(resize_grip_n), &hovered, &held, ImGuiButtonFlags_FlattenChildren | ImGuiButtonFlags_NoNavFocus); + //GetForegroundDrawList(window)->AddRect(resize_rect.Min, resize_rect.Max, IM_COL32(255, 255, 0, 255)); + if (hovered || held) + g.MouseCursor = (resize_grip_n & 1) ? ImGuiMouseCursor_ResizeNESW : ImGuiMouseCursor_ResizeNWSE; + + if (held && g.IO.MouseDoubleClicked[0] && resize_grip_n == 0) + { + // Manual auto-fit when double-clicking + size_target = CalcWindowSizeAfterConstraint(window, size_auto_fit); + ret_auto_fit = true; + ClearActiveID(); + } + else if (held) + { + // Resize from any of the four corners + // We don't use an incremental MouseDelta but rather compute an absolute target size based on mouse position + ImVec2 corner_target = g.IO.MousePos - g.ActiveIdClickOffset + ImLerp(grip.InnerDir * grip_hover_outer_size, grip.InnerDir * -grip_hover_inner_size, grip.CornerPosN); // Corner of the window corresponding to our corner grip + CalcResizePosSizeFromAnyCorner(window, corner_target, grip.CornerPosN, &pos_target, &size_target); + } + if (resize_grip_n == 0 || held || hovered) + resize_grip_col[resize_grip_n] = GetColorU32(held ? ImGuiCol_ResizeGripActive : hovered ? ImGuiCol_ResizeGripHovered : ImGuiCol_ResizeGrip); + } + for (int border_n = 0; border_n < resize_border_count; border_n++) + { + bool hovered, held; + ImRect border_rect = GetResizeBorderRect(window, border_n, grip_hover_inner_size, WINDOWS_RESIZE_FROM_EDGES_HALF_THICKNESS); + ButtonBehavior(border_rect, window->GetID(border_n + 4), &hovered, &held, ImGuiButtonFlags_FlattenChildren); + //GetForegroundDrawLists(window)->AddRect(border_rect.Min, border_rect.Max, IM_COL32(255, 255, 0, 255)); + if ((hovered && g.HoveredIdTimer > WINDOWS_RESIZE_FROM_EDGES_FEEDBACK_TIMER) || held) + { + g.MouseCursor = (border_n & 1) ? ImGuiMouseCursor_ResizeEW : ImGuiMouseCursor_ResizeNS; + if (held) + *border_held = border_n; + } + if (held) + { + ImVec2 border_target = window->Pos; + ImVec2 border_posn; + if (border_n == 0) { border_posn = ImVec2(0, 0); border_target.y = (g.IO.MousePos.y - g.ActiveIdClickOffset.y + WINDOWS_RESIZE_FROM_EDGES_HALF_THICKNESS); } // Top + if (border_n == 1) { border_posn = ImVec2(1, 0); border_target.x = (g.IO.MousePos.x - g.ActiveIdClickOffset.x + WINDOWS_RESIZE_FROM_EDGES_HALF_THICKNESS); } // Right + if (border_n == 2) { border_posn = ImVec2(0, 1); border_target.y = (g.IO.MousePos.y - g.ActiveIdClickOffset.y + WINDOWS_RESIZE_FROM_EDGES_HALF_THICKNESS); } // Bottom + if (border_n == 3) { border_posn = ImVec2(0, 0); border_target.x = (g.IO.MousePos.x - g.ActiveIdClickOffset.x + WINDOWS_RESIZE_FROM_EDGES_HALF_THICKNESS); } // Left + CalcResizePosSizeFromAnyCorner(window, border_target, border_posn, &pos_target, &size_target); + } + } + PopID(); + + // Restore nav layer + window->DC.NavLayerCurrent = ImGuiNavLayer_Main; + window->DC.NavLayerCurrentMask = (1 << ImGuiNavLayer_Main); + + // Navigation resize (keyboard/gamepad) + if (g.NavWindowingTarget && g.NavWindowingTarget->RootWindow == window) + { + ImVec2 nav_resize_delta; + if (g.NavInputSource == ImGuiInputSource_NavKeyboard && g.IO.KeyShift) + nav_resize_delta = GetNavInputAmount2d(ImGuiNavDirSourceFlags_Keyboard, ImGuiInputReadMode_Down); + if (g.NavInputSource == ImGuiInputSource_NavGamepad) + nav_resize_delta = GetNavInputAmount2d(ImGuiNavDirSourceFlags_PadDPad, ImGuiInputReadMode_Down); + if (nav_resize_delta.x != 0.0f || nav_resize_delta.y != 0.0f) + { + const float NAV_RESIZE_SPEED = 600.0f; + nav_resize_delta *= ImFloor(NAV_RESIZE_SPEED * g.IO.DeltaTime * ImMin(g.IO.DisplayFramebufferScale.x, g.IO.DisplayFramebufferScale.y)); + g.NavWindowingToggleLayer = false; + g.NavDisableMouseHover = true; + resize_grip_col[0] = GetColorU32(ImGuiCol_ResizeGripActive); + // FIXME-NAV: Should store and accumulate into a separate size buffer to handle sizing constraints properly, right now a constraint will make us stuck. + size_target = CalcWindowSizeAfterConstraint(window, window->SizeFull + nav_resize_delta); + } + } + + // Apply back modified position/size to window + if (size_target.x != FLT_MAX) + { + window->SizeFull = size_target; + MarkIniSettingsDirty(window); + } + if (pos_target.x != FLT_MAX) + { + window->Pos = ImFloor(pos_target); + MarkIniSettingsDirty(window); + } + + window->Size = window->SizeFull; + return ret_auto_fit; +} + +static inline void ClampWindowRect(ImGuiWindow* window, const ImRect& rect, const ImVec2& padding) +{ + ImGuiContext& g = *GImGui; + ImVec2 size_for_clamping = (g.IO.ConfigWindowsMoveFromTitleBarOnly && !(window->Flags & ImGuiWindowFlags_NoTitleBar)) ? ImVec2(window->Size.x, window->TitleBarHeight()) : window->Size; + window->Pos = ImMin(rect.Max - padding, ImMax(window->Pos + size_for_clamping, rect.Min + padding) - size_for_clamping); +} + +static void ImGui::RenderWindowOuterBorders(ImGuiWindow* window) +{ + ImGuiContext& g = *GImGui; + float rounding = window->WindowRounding; + float border_size = window->WindowBorderSize; + if (border_size > 0.0f && !(window->Flags & ImGuiWindowFlags_NoBackground)) + window->DrawList->AddRect(window->Pos, window->Pos + window->Size, GetColorU32(ImGuiCol_Border), rounding, ImDrawCornerFlags_All, border_size); + + int border_held = window->ResizeBorderHeld; + if (border_held != -1) + { + struct ImGuiResizeBorderDef + { + ImVec2 InnerDir; + ImVec2 CornerPosN1, CornerPosN2; + float OuterAngle; + }; + static const ImGuiResizeBorderDef resize_border_def[4] = + { + { ImVec2(0,+1), ImVec2(0,0), ImVec2(1,0), IM_PI*1.50f }, // Top + { ImVec2(-1,0), ImVec2(1,0), ImVec2(1,1), IM_PI*0.00f }, // Right + { ImVec2(0,-1), ImVec2(1,1), ImVec2(0,1), IM_PI*0.50f }, // Bottom + { ImVec2(+1,0), ImVec2(0,1), ImVec2(0,0), IM_PI*1.00f } // Left + }; + const ImGuiResizeBorderDef& def = resize_border_def[border_held]; + ImRect border_r = GetResizeBorderRect(window, border_held, rounding, 0.0f); + window->DrawList->PathArcTo(ImLerp(border_r.Min, border_r.Max, def.CornerPosN1) + ImVec2(0.5f, 0.5f) + def.InnerDir * rounding, rounding, def.OuterAngle - IM_PI*0.25f, def.OuterAngle); + window->DrawList->PathArcTo(ImLerp(border_r.Min, border_r.Max, def.CornerPosN2) + ImVec2(0.5f, 0.5f) + def.InnerDir * rounding, rounding, def.OuterAngle, def.OuterAngle + IM_PI*0.25f); + window->DrawList->PathStroke(GetColorU32(ImGuiCol_SeparatorActive), false, ImMax(2.0f, border_size)); // Thicker than usual + } + if (g.Style.FrameBorderSize > 0 && !(window->Flags & ImGuiWindowFlags_NoTitleBar)) + { + float y = window->Pos.y + window->TitleBarHeight() - 1; + window->DrawList->AddLine(ImVec2(window->Pos.x + border_size, y), ImVec2(window->Pos.x + window->Size.x - border_size, y), GetColorU32(ImGuiCol_Border), g.Style.FrameBorderSize); + } +} + +// Draw background and borders +// Draw and handle scrollbars +void ImGui::RenderWindowDecorations(ImGuiWindow* window, const ImRect& title_bar_rect, bool title_bar_is_highlight, int resize_grip_count, const ImU32 resize_grip_col[4], float resize_grip_draw_size) +{ + ImGuiContext& g = *GImGui; + ImGuiStyle& style = g.Style; + ImGuiWindowFlags flags = window->Flags; + + // Ensure that ScrollBar doesn't read last frame's SkipItems + window->SkipItems = false; + + // Draw window + handle manual resize + // As we highlight the title bar when want_focus is set, multiple reappearing windows will have have their title bar highlighted on their reappearing frame. + const float window_rounding = window->WindowRounding; + const float window_border_size = window->WindowBorderSize; + if (window->Collapsed) + { + // Title bar only + float backup_border_size = style.FrameBorderSize; + g.Style.FrameBorderSize = window->WindowBorderSize; + ImU32 title_bar_col = GetColorU32((title_bar_is_highlight && !g.NavDisableHighlight) ? ImGuiCol_TitleBgActive : ImGuiCol_TitleBgCollapsed); + RenderFrame(title_bar_rect.Min, title_bar_rect.Max, title_bar_col, true, window_rounding); + g.Style.FrameBorderSize = backup_border_size; + } + else + { + // Window background + if (!(flags & ImGuiWindowFlags_NoBackground)) + { + ImU32 bg_col = GetColorU32(GetWindowBgColorIdxFromFlags(flags)); + bool override_alpha = false; + float alpha = 1.0f; + if (g.NextWindowData.Flags & ImGuiNextWindowDataFlags_HasBgAlpha) + { + alpha = g.NextWindowData.BgAlphaVal; + override_alpha = true; + } + if (override_alpha) + bg_col = (bg_col & ~IM_COL32_A_MASK) | (IM_F32_TO_INT8_SAT(alpha) << IM_COL32_A_SHIFT); + window->DrawList->AddRectFilled(window->Pos + ImVec2(0, window->TitleBarHeight()), window->Pos + window->Size, bg_col, window_rounding, (flags & ImGuiWindowFlags_NoTitleBar) ? ImDrawCornerFlags_All : ImDrawCornerFlags_Bot); + } + + // Title bar + if (!(flags & ImGuiWindowFlags_NoTitleBar)) + { + ImU32 title_bar_col = GetColorU32(title_bar_is_highlight ? ImGuiCol_TitleBgActive : ImGuiCol_TitleBg); + window->DrawList->AddRectFilled(title_bar_rect.Min, title_bar_rect.Max, title_bar_col, window_rounding, ImDrawCornerFlags_Top); + } + + // Menu bar + if (flags & ImGuiWindowFlags_MenuBar) + { + ImRect menu_bar_rect = window->MenuBarRect(); + menu_bar_rect.ClipWith(window->Rect()); // Soft clipping, in particular child window don't have minimum size covering the menu bar so this is useful for them. + window->DrawList->AddRectFilled(menu_bar_rect.Min + ImVec2(window_border_size, 0), menu_bar_rect.Max - ImVec2(window_border_size, 0), GetColorU32(ImGuiCol_MenuBarBg), (flags & ImGuiWindowFlags_NoTitleBar) ? window_rounding : 0.0f, ImDrawCornerFlags_Top); + if (style.FrameBorderSize > 0.0f && menu_bar_rect.Max.y < window->Pos.y + window->Size.y) + window->DrawList->AddLine(menu_bar_rect.GetBL(), menu_bar_rect.GetBR(), GetColorU32(ImGuiCol_Border), style.FrameBorderSize); + } + + // Scrollbars + if (window->ScrollbarX) + Scrollbar(ImGuiAxis_X); + if (window->ScrollbarY) + Scrollbar(ImGuiAxis_Y); + + // Render resize grips (after their input handling so we don't have a frame of latency) + if (!(flags & ImGuiWindowFlags_NoResize)) + { + for (int resize_grip_n = 0; resize_grip_n < resize_grip_count; resize_grip_n++) + { + const ImGuiResizeGripDef& grip = resize_grip_def[resize_grip_n]; + const ImVec2 corner = ImLerp(window->Pos, window->Pos + window->Size, grip.CornerPosN); + window->DrawList->PathLineTo(corner + grip.InnerDir * ((resize_grip_n & 1) ? ImVec2(window_border_size, resize_grip_draw_size) : ImVec2(resize_grip_draw_size, window_border_size))); + window->DrawList->PathLineTo(corner + grip.InnerDir * ((resize_grip_n & 1) ? ImVec2(resize_grip_draw_size, window_border_size) : ImVec2(window_border_size, resize_grip_draw_size))); + window->DrawList->PathArcToFast(ImVec2(corner.x + grip.InnerDir.x * (window_rounding + window_border_size), corner.y + grip.InnerDir.y * (window_rounding + window_border_size)), window_rounding, grip.AngleMin12, grip.AngleMax12); + window->DrawList->PathFillConvex(resize_grip_col[resize_grip_n]); + } + } + + // Borders + RenderWindowOuterBorders(window); + } +} + +// Render title text, collapse button, close button +void ImGui::RenderWindowTitleBarContents(ImGuiWindow* window, const ImRect& title_bar_rect, const char* name, bool* p_open) +{ + ImGuiContext& g = *GImGui; + ImGuiStyle& style = g.Style; + ImGuiWindowFlags flags = window->Flags; + + const bool has_close_button = (p_open != NULL); + const bool has_collapse_button = !(flags & ImGuiWindowFlags_NoCollapse) && (style.WindowMenuButtonPosition != ImGuiDir_None); + + // Close & Collapse button are on the Menu NavLayer and don't default focus (unless there's nothing else on that layer) + const ImGuiItemFlags item_flags_backup = window->DC.ItemFlags; + window->DC.ItemFlags |= ImGuiItemFlags_NoNavDefaultFocus; + window->DC.NavLayerCurrent = ImGuiNavLayer_Menu; + window->DC.NavLayerCurrentMask = (1 << ImGuiNavLayer_Menu); + + // Layout buttons + // FIXME: Would be nice to generalize the subtleties expressed here into reusable code. + float pad_l = style.FramePadding.x; + float pad_r = style.FramePadding.x; + float button_sz = g.FontSize; + ImVec2 close_button_pos; + ImVec2 collapse_button_pos; + if (has_close_button) + { + pad_r += button_sz; + close_button_pos = ImVec2(title_bar_rect.Max.x - pad_r - style.FramePadding.x, title_bar_rect.Min.y); + } + if (has_collapse_button && style.WindowMenuButtonPosition == ImGuiDir_Right) + { + pad_r += button_sz; + collapse_button_pos = ImVec2(title_bar_rect.Max.x - pad_r - style.FramePadding.x, title_bar_rect.Min.y); + } + if (has_collapse_button && style.WindowMenuButtonPosition == ImGuiDir_Left) + { + collapse_button_pos = ImVec2(title_bar_rect.Min.x + pad_l - style.FramePadding.x, title_bar_rect.Min.y); + pad_l += button_sz; + } + + // Collapse button (submitting first so it gets priority when choosing a navigation init fallback) + if (has_collapse_button) + if (CollapseButton(window->GetID("#COLLAPSE"), collapse_button_pos)) + window->WantCollapseToggle = true; // Defer actual collapsing to next frame as we are too far in the Begin() function + + // Close button + if (has_close_button) + if (CloseButton(window->GetID("#CLOSE"), close_button_pos)) + *p_open = false; + + window->DC.NavLayerCurrent = ImGuiNavLayer_Main; + window->DC.NavLayerCurrentMask = (1 << ImGuiNavLayer_Main); + window->DC.ItemFlags = item_flags_backup; + + // Title bar text (with: horizontal alignment, avoiding collapse/close button, optional "unsaved document" marker) + // FIXME: Refactor text alignment facilities along with RenderText helpers, this is WAY too much messy code.. + const char* UNSAVED_DOCUMENT_MARKER = "*"; + const float marker_size_x = (flags & ImGuiWindowFlags_UnsavedDocument) ? CalcTextSize(UNSAVED_DOCUMENT_MARKER, NULL, false).x : 0.0f; + const ImVec2 text_size = CalcTextSize(name, NULL, true) + ImVec2(marker_size_x, 0.0f); + + // As a nice touch we try to ensure that centered title text doesn't get affected by visibility of Close/Collapse button, + // while uncentered title text will still reach edges correct. + if (pad_l > style.FramePadding.x) + pad_l += g.Style.ItemInnerSpacing.x; + if (pad_r > style.FramePadding.x) + pad_r += g.Style.ItemInnerSpacing.x; + if (style.WindowTitleAlign.x > 0.0f && style.WindowTitleAlign.x < 1.0f) + { + float centerness = ImSaturate(1.0f - ImFabs(style.WindowTitleAlign.x - 0.5f) * 2.0f); // 0.0f on either edges, 1.0f on center + float pad_extend = ImMin(ImMax(pad_l, pad_r), title_bar_rect.GetWidth() - pad_l - pad_r - text_size.x); + pad_l = ImMax(pad_l, pad_extend * centerness); + pad_r = ImMax(pad_r, pad_extend * centerness); + } + + ImRect layout_r(title_bar_rect.Min.x + pad_l, title_bar_rect.Min.y, title_bar_rect.Max.x - pad_r, title_bar_rect.Max.y); + ImRect clip_r(layout_r.Min.x, layout_r.Min.y, layout_r.Max.x + g.Style.ItemInnerSpacing.x, layout_r.Max.y); + //if (g.IO.KeyCtrl) window->DrawList->AddRect(layout_r.Min, layout_r.Max, IM_COL32(255, 128, 0, 255)); // [DEBUG] + RenderTextClipped(layout_r.Min, layout_r.Max, name, NULL, &text_size, style.WindowTitleAlign, &clip_r); + if (flags & ImGuiWindowFlags_UnsavedDocument) + { + ImVec2 marker_pos = ImVec2(ImMax(layout_r.Min.x, layout_r.Min.x + (layout_r.GetWidth() - text_size.x) * style.WindowTitleAlign.x) + text_size.x, layout_r.Min.y) + ImVec2(2 - marker_size_x, 0.0f); + ImVec2 off = ImVec2(0.0f, IM_FLOOR(-g.FontSize * 0.25f)); + RenderTextClipped(marker_pos + off, layout_r.Max + off, UNSAVED_DOCUMENT_MARKER, NULL, NULL, ImVec2(0, style.WindowTitleAlign.y), &clip_r); + } +} + +void ImGui::UpdateWindowParentAndRootLinks(ImGuiWindow* window, ImGuiWindowFlags flags, ImGuiWindow* parent_window) +{ + window->ParentWindow = parent_window; + window->RootWindow = window->RootWindowForTitleBarHighlight = window->RootWindowForNav = window; + if (parent_window && (flags & ImGuiWindowFlags_ChildWindow) && !(flags & ImGuiWindowFlags_Tooltip)) + window->RootWindow = parent_window->RootWindow; + if (parent_window && !(flags & ImGuiWindowFlags_Modal) && (flags & (ImGuiWindowFlags_ChildWindow | ImGuiWindowFlags_Popup))) + window->RootWindowForTitleBarHighlight = parent_window->RootWindowForTitleBarHighlight; + while (window->RootWindowForNav->Flags & ImGuiWindowFlags_NavFlattened) + { + IM_ASSERT(window->RootWindowForNav->ParentWindow != NULL); + window->RootWindowForNav = window->RootWindowForNav->ParentWindow; + } +} + +// Push a new Dear ImGui window to add widgets to. +// - A default window called "Debug" is automatically stacked at the beginning of every frame so you can use widgets without explicitly calling a Begin/End pair. +// - Begin/End can be called multiple times during the frame with the same window name to append content. +// - The window name is used as a unique identifier to preserve window information across frames (and save rudimentary information to the .ini file). +// You can use the "##" or "###" markers to use the same label with different id, or same id with different label. See documentation at the top of this file. +// - Return false when window is collapsed, so you can early out in your code. You always need to call ImGui::End() even if false is returned. +// - Passing 'bool* p_open' displays a Close button on the upper-right corner of the window, the pointed value will be set to false when the button is pressed. +bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags) +{ + ImGuiContext& g = *GImGui; + const ImGuiStyle& style = g.Style; + IM_ASSERT(name != NULL && name[0] != '\0'); // Window name required + IM_ASSERT(g.WithinFrameScope); // Forgot to call ImGui::NewFrame() + IM_ASSERT(g.FrameCountEnded != g.FrameCount); // Called ImGui::Render() or ImGui::EndFrame() and haven't called ImGui::NewFrame() again yet + + // Find or create + ImGuiWindow* window = FindWindowByName(name); + const bool window_just_created = (window == NULL); + if (window_just_created) + { + ImVec2 size_on_first_use = (g.NextWindowData.Flags & ImGuiNextWindowDataFlags_HasSize) ? g.NextWindowData.SizeVal : ImVec2(0.0f, 0.0f); // Any condition flag will do since we are creating a new window here. + window = CreateNewWindow(name, size_on_first_use, flags); + } + + // Automatically disable manual moving/resizing when NoInputs is set + if ((flags & ImGuiWindowFlags_NoInputs) == ImGuiWindowFlags_NoInputs) + flags |= ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoResize; + + if (flags & ImGuiWindowFlags_NavFlattened) + IM_ASSERT(flags & ImGuiWindowFlags_ChildWindow); + + const int current_frame = g.FrameCount; + const bool first_begin_of_the_frame = (window->LastFrameActive != current_frame); + window->IsFallbackWindow = (g.CurrentWindowStack.Size == 0 && g.WithinFrameScopeWithImplicitWindow); + + // Update the Appearing flag + bool window_just_activated_by_user = (window->LastFrameActive < current_frame - 1); // Not using !WasActive because the implicit "Debug" window would always toggle off->on + const bool window_just_appearing_after_hidden_for_resize = (window->HiddenFramesCannotSkipItems > 0); + if (flags & ImGuiWindowFlags_Popup) + { + ImGuiPopupData& popup_ref = g.OpenPopupStack[g.BeginPopupStack.Size]; + window_just_activated_by_user |= (window->PopupId != popup_ref.PopupId); // We recycle popups so treat window as activated if popup id changed + window_just_activated_by_user |= (window != popup_ref.Window); + } + window->Appearing = (window_just_activated_by_user || window_just_appearing_after_hidden_for_resize); + if (window->Appearing) + SetWindowConditionAllowFlags(window, ImGuiCond_Appearing, true); + + // Update Flags, LastFrameActive, BeginOrderXXX fields + if (first_begin_of_the_frame) + { + window->Flags = (ImGuiWindowFlags)flags; + window->LastFrameActive = current_frame; + window->LastTimeActive = (float)g.Time; + window->BeginOrderWithinParent = 0; + window->BeginOrderWithinContext = (short)(g.WindowsActiveCount++); + } + else + { + flags = window->Flags; + } + + // Parent window is latched only on the first call to Begin() of the frame, so further append-calls can be done from a different window stack + ImGuiWindow* parent_window_in_stack = g.CurrentWindowStack.empty() ? NULL : g.CurrentWindowStack.back(); + ImGuiWindow* parent_window = first_begin_of_the_frame ? ((flags & (ImGuiWindowFlags_ChildWindow | ImGuiWindowFlags_Popup)) ? parent_window_in_stack : NULL) : window->ParentWindow; + IM_ASSERT(parent_window != NULL || !(flags & ImGuiWindowFlags_ChildWindow)); + + // We allow window memory to be compacted so recreate the base stack when needed. + if (window->IDStack.Size == 0) + window->IDStack.push_back(window->ID); + + // Add to stack + // We intentionally set g.CurrentWindow to NULL to prevent usage until when the viewport is set, then will call SetCurrentWindow() + g.CurrentWindowStack.push_back(window); + g.CurrentWindow = NULL; + ErrorCheckBeginEndCompareStacksSize(window, true); + if (flags & ImGuiWindowFlags_Popup) + { + ImGuiPopupData& popup_ref = g.OpenPopupStack[g.BeginPopupStack.Size]; + popup_ref.Window = window; + g.BeginPopupStack.push_back(popup_ref); + window->PopupId = popup_ref.PopupId; + } + + if (window_just_appearing_after_hidden_for_resize && !(flags & ImGuiWindowFlags_ChildWindow)) + window->NavLastIds[0] = 0; + + // Update ->RootWindow and others pointers (before any possible call to FocusWindow) + if (first_begin_of_the_frame) + UpdateWindowParentAndRootLinks(window, flags, parent_window); + + // Process SetNextWindow***() calls + bool window_pos_set_by_api = false; + bool window_size_x_set_by_api = false, window_size_y_set_by_api = false; + if (g.NextWindowData.Flags & ImGuiNextWindowDataFlags_HasPos) + { + window_pos_set_by_api = (window->SetWindowPosAllowFlags & g.NextWindowData.PosCond) != 0; + if (window_pos_set_by_api && ImLengthSqr(g.NextWindowData.PosPivotVal) > 0.00001f) + { + // May be processed on the next frame if this is our first frame and we are measuring size + // FIXME: Look into removing the branch so everything can go through this same code path for consistency. + window->SetWindowPosVal = g.NextWindowData.PosVal; + window->SetWindowPosPivot = g.NextWindowData.PosPivotVal; + window->SetWindowPosAllowFlags &= ~(ImGuiCond_Once | ImGuiCond_FirstUseEver | ImGuiCond_Appearing); + } + else + { + SetWindowPos(window, g.NextWindowData.PosVal, g.NextWindowData.PosCond); + } + } + if (g.NextWindowData.Flags & ImGuiNextWindowDataFlags_HasSize) + { + window_size_x_set_by_api = (window->SetWindowSizeAllowFlags & g.NextWindowData.SizeCond) != 0 && (g.NextWindowData.SizeVal.x > 0.0f); + window_size_y_set_by_api = (window->SetWindowSizeAllowFlags & g.NextWindowData.SizeCond) != 0 && (g.NextWindowData.SizeVal.y > 0.0f); + SetWindowSize(window, g.NextWindowData.SizeVal, g.NextWindowData.SizeCond); + } + if (g.NextWindowData.Flags & ImGuiNextWindowDataFlags_HasContentSize) + window->ContentSizeExplicit = g.NextWindowData.ContentSizeVal; + else if (first_begin_of_the_frame) + window->ContentSizeExplicit = ImVec2(0.0f, 0.0f); + if (g.NextWindowData.Flags & ImGuiNextWindowDataFlags_HasCollapsed) + SetWindowCollapsed(window, g.NextWindowData.CollapsedVal, g.NextWindowData.CollapsedCond); + if (g.NextWindowData.Flags & ImGuiNextWindowDataFlags_HasFocus) + FocusWindow(window); + if (window->Appearing) + SetWindowConditionAllowFlags(window, ImGuiCond_Appearing, false); + + // When reusing window again multiple times a frame, just append content (don't need to setup again) + if (first_begin_of_the_frame) + { + // Initialize + const bool window_is_child_tooltip = (flags & ImGuiWindowFlags_ChildWindow) && (flags & ImGuiWindowFlags_Tooltip); // FIXME-WIP: Undocumented behavior of Child+Tooltip for pinned tooltip (#1345) + window->Active = true; + window->HasCloseButton = (p_open != NULL); + window->ClipRect = ImVec4(-FLT_MAX,-FLT_MAX,+FLT_MAX,+FLT_MAX); + window->IDStack.resize(1); + + // Restore buffer capacity when woken from a compacted state, to avoid + if (window->MemoryCompacted) + GcAwakeTransientWindowBuffers(window); + + // Update stored window name when it changes (which can _only_ happen with the "###" operator, so the ID would stay unchanged). + // The title bar always display the 'name' parameter, so we only update the string storage if it needs to be visible to the end-user elsewhere. + bool window_title_visible_elsewhere = false; + if (g.NavWindowingList != NULL && (window->Flags & ImGuiWindowFlags_NoNavFocus) == 0) // Window titles visible when using CTRL+TAB + window_title_visible_elsewhere = true; + if (window_title_visible_elsewhere && !window_just_created && strcmp(name, window->Name) != 0) + { + size_t buf_len = (size_t)window->NameBufLen; + window->Name = ImStrdupcpy(window->Name, &buf_len, name); + window->NameBufLen = (int)buf_len; + } + + // UPDATE CONTENTS SIZE, UPDATE HIDDEN STATUS + + // Update contents size from last frame for auto-fitting (or use explicit size) + window->ContentSize = CalcWindowContentSize(window); + if (window->HiddenFramesCanSkipItems > 0) + window->HiddenFramesCanSkipItems--; + if (window->HiddenFramesCannotSkipItems > 0) + window->HiddenFramesCannotSkipItems--; + + // Hide new windows for one frame until they calculate their size + if (window_just_created && (!window_size_x_set_by_api || !window_size_y_set_by_api)) + window->HiddenFramesCannotSkipItems = 1; + + // Hide popup/tooltip window when re-opening while we measure size (because we recycle the windows) + // We reset Size/ContentSize for reappearing popups/tooltips early in this function, so further code won't be tempted to use the old size. + if (window_just_activated_by_user && (flags & (ImGuiWindowFlags_Popup | ImGuiWindowFlags_Tooltip)) != 0) + { + window->HiddenFramesCannotSkipItems = 1; + if (flags & ImGuiWindowFlags_AlwaysAutoResize) + { + if (!window_size_x_set_by_api) + window->Size.x = window->SizeFull.x = 0.f; + if (!window_size_y_set_by_api) + window->Size.y = window->SizeFull.y = 0.f; + window->ContentSize = ImVec2(0.f, 0.f); + } + } + + // SELECT VIEWPORT + // FIXME-VIEWPORT: In the docking/viewport branch, this is the point where we select the current viewport (which may affect the style) + SetCurrentWindow(window); + + // LOCK BORDER SIZE AND PADDING FOR THE FRAME (so that altering them doesn't cause inconsistencies) + + if (flags & ImGuiWindowFlags_ChildWindow) + window->WindowBorderSize = style.ChildBorderSize; + else + window->WindowBorderSize = ((flags & (ImGuiWindowFlags_Popup | ImGuiWindowFlags_Tooltip)) && !(flags & ImGuiWindowFlags_Modal)) ? style.PopupBorderSize : style.WindowBorderSize; + window->WindowPadding = style.WindowPadding; + if ((flags & ImGuiWindowFlags_ChildWindow) && !(flags & (ImGuiWindowFlags_AlwaysUseWindowPadding | ImGuiWindowFlags_Popup)) && window->WindowBorderSize == 0.0f) + window->WindowPadding = ImVec2(0.0f, (flags & ImGuiWindowFlags_MenuBar) ? style.WindowPadding.y : 0.0f); + + // Collapse window by double-clicking on title bar + // At this point we don't have a clipping rectangle setup yet, so we can use the title bar area for hit detection and drawing + if (!(flags & ImGuiWindowFlags_NoTitleBar) && !(flags & ImGuiWindowFlags_NoCollapse)) + { + // We don't use a regular button+id to test for double-click on title bar (mostly due to legacy reason, could be fixed), so verify that we don't have items over the title bar. + ImRect title_bar_rect = window->TitleBarRect(); + if (g.HoveredWindow == window && g.HoveredId == 0 && g.HoveredIdPreviousFrame == 0 && IsMouseHoveringRect(title_bar_rect.Min, title_bar_rect.Max) && g.IO.MouseDoubleClicked[0]) + window->WantCollapseToggle = true; + if (window->WantCollapseToggle) + { + window->Collapsed = !window->Collapsed; + MarkIniSettingsDirty(window); + FocusWindow(window); + } + } + else + { + window->Collapsed = false; + } + window->WantCollapseToggle = false; + + // SIZE + + // Calculate auto-fit size, handle automatic resize + const ImVec2 size_auto_fit = CalcWindowAutoFitSize(window, window->ContentSize); + bool use_current_size_for_scrollbar_x = window_just_created; + bool use_current_size_for_scrollbar_y = window_just_created; + if ((flags & ImGuiWindowFlags_AlwaysAutoResize) && !window->Collapsed) + { + // Using SetNextWindowSize() overrides ImGuiWindowFlags_AlwaysAutoResize, so it can be used on tooltips/popups, etc. + if (!window_size_x_set_by_api) + { + window->SizeFull.x = size_auto_fit.x; + use_current_size_for_scrollbar_x = true; + } + if (!window_size_y_set_by_api) + { + window->SizeFull.y = size_auto_fit.y; + use_current_size_for_scrollbar_y = true; + } + } + else if (window->AutoFitFramesX > 0 || window->AutoFitFramesY > 0) + { + // Auto-fit may only grow window during the first few frames + // We still process initial auto-fit on collapsed windows to get a window width, but otherwise don't honor ImGuiWindowFlags_AlwaysAutoResize when collapsed. + if (!window_size_x_set_by_api && window->AutoFitFramesX > 0) + { + window->SizeFull.x = window->AutoFitOnlyGrows ? ImMax(window->SizeFull.x, size_auto_fit.x) : size_auto_fit.x; + use_current_size_for_scrollbar_x = true; + } + if (!window_size_y_set_by_api && window->AutoFitFramesY > 0) + { + window->SizeFull.y = window->AutoFitOnlyGrows ? ImMax(window->SizeFull.y, size_auto_fit.y) : size_auto_fit.y; + use_current_size_for_scrollbar_y = true; + } + if (!window->Collapsed) + MarkIniSettingsDirty(window); + } + + // Apply minimum/maximum window size constraints and final size + window->SizeFull = CalcWindowSizeAfterConstraint(window, window->SizeFull); + window->Size = window->Collapsed && !(flags & ImGuiWindowFlags_ChildWindow) ? window->TitleBarRect().GetSize() : window->SizeFull; + + // Decoration size + const float decoration_up_height = window->TitleBarHeight() + window->MenuBarHeight(); + + // POSITION + + // Popup latch its initial position, will position itself when it appears next frame + if (window_just_activated_by_user) + { + window->AutoPosLastDirection = ImGuiDir_None; + if ((flags & ImGuiWindowFlags_Popup) != 0 && !window_pos_set_by_api) + window->Pos = g.BeginPopupStack.back().OpenPopupPos; + } + + // Position child window + if (flags & ImGuiWindowFlags_ChildWindow) + { + IM_ASSERT(parent_window && parent_window->Active); + window->BeginOrderWithinParent = (short)parent_window->DC.ChildWindows.Size; + parent_window->DC.ChildWindows.push_back(window); + if (!(flags & ImGuiWindowFlags_Popup) && !window_pos_set_by_api && !window_is_child_tooltip) + window->Pos = parent_window->DC.CursorPos; + } + + const bool window_pos_with_pivot = (window->SetWindowPosVal.x != FLT_MAX && window->HiddenFramesCannotSkipItems == 0); + if (window_pos_with_pivot) + SetWindowPos(window, window->SetWindowPosVal - window->SizeFull * window->SetWindowPosPivot, 0); // Position given a pivot (e.g. for centering) + else if ((flags & ImGuiWindowFlags_ChildMenu) != 0) + window->Pos = FindBestWindowPosForPopup(window); + else if ((flags & ImGuiWindowFlags_Popup) != 0 && !window_pos_set_by_api && window_just_appearing_after_hidden_for_resize) + window->Pos = FindBestWindowPosForPopup(window); + else if ((flags & ImGuiWindowFlags_Tooltip) != 0 && !window_pos_set_by_api && !window_is_child_tooltip) + window->Pos = FindBestWindowPosForPopup(window); + + // Clamp position/size so window stays visible within its viewport or monitor + // Ignore zero-sized display explicitly to avoid losing positions if a window manager reports zero-sized window when initializing or minimizing. + ImRect viewport_rect(GetViewportRect()); + if (!window_pos_set_by_api && !(flags & ImGuiWindowFlags_ChildWindow) && window->AutoFitFramesX <= 0 && window->AutoFitFramesY <= 0) + { + ImVec2 clamp_padding = ImMax(style.DisplayWindowPadding, style.DisplaySafeAreaPadding); + if (viewport_rect.GetWidth() > 0 && viewport_rect.GetHeight() > 0.0f) + { + ClampWindowRect(window, viewport_rect, clamp_padding); + } + } + window->Pos = ImFloor(window->Pos); + + // Lock window rounding for the frame (so that altering them doesn't cause inconsistencies) + window->WindowRounding = (flags & ImGuiWindowFlags_ChildWindow) ? style.ChildRounding : ((flags & ImGuiWindowFlags_Popup) && !(flags & ImGuiWindowFlags_Modal)) ? style.PopupRounding : style.WindowRounding; + + // Apply window focus (new and reactivated windows are moved to front) + bool want_focus = false; + if (window_just_activated_by_user && !(flags & ImGuiWindowFlags_NoFocusOnAppearing)) + { + if (flags & ImGuiWindowFlags_Popup) + want_focus = true; + else if ((flags & (ImGuiWindowFlags_ChildWindow | ImGuiWindowFlags_Tooltip)) == 0) + want_focus = true; + } + + // Handle manual resize: Resize Grips, Borders, Gamepad + int border_held = -1; + ImU32 resize_grip_col[4] = {}; + const int resize_grip_count = g.IO.ConfigWindowsResizeFromEdges ? 2 : 1; // Allow resize from lower-left if we have the mouse cursor feedback for it. + const float resize_grip_draw_size = IM_FLOOR(ImMax(g.FontSize * 1.35f, window->WindowRounding + 1.0f + g.FontSize * 0.2f)); + if (!window->Collapsed) + if (UpdateWindowManualResize(window, size_auto_fit, &border_held, resize_grip_count, &resize_grip_col[0])) + use_current_size_for_scrollbar_x = use_current_size_for_scrollbar_y = true; + window->ResizeBorderHeld = (signed char)border_held; + + // SCROLLBAR VISIBILITY + + // Update scrollbar visibility (based on the Size that was effective during last frame or the auto-resized Size). + if (!window->Collapsed) + { + // When reading the current size we need to read it after size constraints have been applied. + // When we use InnerRect here we are intentionally reading last frame size, same for ScrollbarSizes values before we set them again. + ImVec2 avail_size_from_current_frame = ImVec2(window->SizeFull.x, window->SizeFull.y - decoration_up_height); + ImVec2 avail_size_from_last_frame = window->InnerRect.GetSize() + window->ScrollbarSizes; + ImVec2 needed_size_from_last_frame = window_just_created ? ImVec2(0, 0) : window->ContentSize + window->WindowPadding * 2.0f; + float size_x_for_scrollbars = use_current_size_for_scrollbar_x ? avail_size_from_current_frame.x : avail_size_from_last_frame.x; + float size_y_for_scrollbars = use_current_size_for_scrollbar_y ? avail_size_from_current_frame.y : avail_size_from_last_frame.y; + //bool scrollbar_y_from_last_frame = window->ScrollbarY; // FIXME: May want to use that in the ScrollbarX expression? How many pros vs cons? + window->ScrollbarY = (flags & ImGuiWindowFlags_AlwaysVerticalScrollbar) || ((needed_size_from_last_frame.y > size_y_for_scrollbars) && !(flags & ImGuiWindowFlags_NoScrollbar)); + window->ScrollbarX = (flags & ImGuiWindowFlags_AlwaysHorizontalScrollbar) || ((needed_size_from_last_frame.x > size_x_for_scrollbars - (window->ScrollbarY ? style.ScrollbarSize : 0.0f)) && !(flags & ImGuiWindowFlags_NoScrollbar) && (flags & ImGuiWindowFlags_HorizontalScrollbar)); + if (window->ScrollbarX && !window->ScrollbarY) + window->ScrollbarY = (needed_size_from_last_frame.y > size_y_for_scrollbars) && !(flags & ImGuiWindowFlags_NoScrollbar); + window->ScrollbarSizes = ImVec2(window->ScrollbarY ? style.ScrollbarSize : 0.0f, window->ScrollbarX ? style.ScrollbarSize : 0.0f); + } + + // UPDATE RECTANGLES (1- THOSE NOT AFFECTED BY SCROLLING) + // Update various regions. Variables they depends on should be set above in this function. + // We set this up after processing the resize grip so that our rectangles doesn't lag by a frame. + + // Outer rectangle + // Not affected by window border size. Used by: + // - FindHoveredWindow() (w/ extra padding when border resize is enabled) + // - Begin() initial clipping rect for drawing window background and borders. + // - Begin() clipping whole child + const ImRect host_rect = ((flags & ImGuiWindowFlags_ChildWindow) && !(flags & ImGuiWindowFlags_Popup) && !window_is_child_tooltip) ? parent_window->ClipRect : viewport_rect; + const ImRect outer_rect = window->Rect(); + const ImRect title_bar_rect = window->TitleBarRect(); + window->OuterRectClipped = outer_rect; + window->OuterRectClipped.ClipWith(host_rect); + + // Inner rectangle + // Not affected by window border size. Used by: + // - InnerClipRect + // - ScrollToBringRectIntoView() + // - NavUpdatePageUpPageDown() + // - Scrollbar() + window->InnerRect.Min.x = window->Pos.x; + window->InnerRect.Min.y = window->Pos.y + decoration_up_height; + window->InnerRect.Max.x = window->Pos.x + window->Size.x - window->ScrollbarSizes.x; + window->InnerRect.Max.y = window->Pos.y + window->Size.y - window->ScrollbarSizes.y; + + // Inner clipping rectangle. + // Will extend a little bit outside the normal work region. + // This is to allow e.g. Selectable or CollapsingHeader or some separators to cover that space. + // Force round operator last to ensure that e.g. (int)(max.x-min.x) in user's render code produce correct result. + // Note that if our window is collapsed we will end up with an inverted (~null) clipping rectangle which is the correct behavior. + // Affected by window/frame border size. Used by: + // - Begin() initial clip rect + float top_border_size = (((flags & ImGuiWindowFlags_MenuBar) || !(flags & ImGuiWindowFlags_NoTitleBar)) ? style.FrameBorderSize : window->WindowBorderSize); + window->InnerClipRect.Min.x = ImFloor(0.5f + window->InnerRect.Min.x + ImMax(ImFloor(window->WindowPadding.x * 0.5f), window->WindowBorderSize)); + window->InnerClipRect.Min.y = ImFloor(0.5f + window->InnerRect.Min.y + top_border_size); + window->InnerClipRect.Max.x = ImFloor(0.5f + window->InnerRect.Max.x - ImMax(ImFloor(window->WindowPadding.x * 0.5f), window->WindowBorderSize)); + window->InnerClipRect.Max.y = ImFloor(0.5f + window->InnerRect.Max.y - window->WindowBorderSize); + window->InnerClipRect.ClipWithFull(host_rect); + + // Default item width. Make it proportional to window size if window manually resizes + if (window->Size.x > 0.0f && !(flags & ImGuiWindowFlags_Tooltip) && !(flags & ImGuiWindowFlags_AlwaysAutoResize)) + window->ItemWidthDefault = ImFloor(window->Size.x * 0.65f); + else + window->ItemWidthDefault = ImFloor(g.FontSize * 16.0f); + + // SCROLLING + + // Lock down maximum scrolling + // The value of ScrollMax are ahead from ScrollbarX/ScrollbarY which is intentionally using InnerRect from previous rect in order to accommodate + // for right/bottom aligned items without creating a scrollbar. + window->ScrollMax.x = ImMax(0.0f, window->ContentSize.x + window->WindowPadding.x * 2.0f - window->InnerRect.GetWidth()); + window->ScrollMax.y = ImMax(0.0f, window->ContentSize.y + window->WindowPadding.y * 2.0f - window->InnerRect.GetHeight()); + + // Apply scrolling + window->Scroll = CalcNextScrollFromScrollTargetAndClamp(window, true); + window->ScrollTarget = ImVec2(FLT_MAX, FLT_MAX); + + // DRAWING + + // Setup draw list and outer clipping rectangle + window->DrawList->Clear(); + window->DrawList->PushTextureID(g.Font->ContainerAtlas->TexID); + PushClipRect(host_rect.Min, host_rect.Max, false); + + // Draw modal window background (darkens what is behind them, all viewports) + const bool dim_bg_for_modal = (flags & ImGuiWindowFlags_Modal) && window == GetTopMostPopupModal() && window->HiddenFramesCannotSkipItems <= 0; + const bool dim_bg_for_window_list = g.NavWindowingTargetAnim && (window == g.NavWindowingTargetAnim->RootWindow); + if (dim_bg_for_modal || dim_bg_for_window_list) + { + const ImU32 dim_bg_col = GetColorU32(dim_bg_for_modal ? ImGuiCol_ModalWindowDimBg : ImGuiCol_NavWindowingDimBg, g.DimBgRatio); + window->DrawList->AddRectFilled(viewport_rect.Min, viewport_rect.Max, dim_bg_col); + } + + // Draw navigation selection/windowing rectangle background + if (dim_bg_for_window_list && window == g.NavWindowingTargetAnim) + { + ImRect bb = window->Rect(); + bb.Expand(g.FontSize); + if (!bb.Contains(viewport_rect)) // Avoid drawing if the window covers all the viewport anyway + window->DrawList->AddRectFilled(bb.Min, bb.Max, GetColorU32(ImGuiCol_NavWindowingHighlight, g.NavWindowingHighlightAlpha * 0.25f), g.Style.WindowRounding); + } + + // Since 1.71, child window can render their decoration (bg color, border, scrollbars, etc.) within their parent to save a draw call. + // When using overlapping child windows, this will break the assumption that child z-order is mapped to submission order. + // We disable this when the parent window has zero vertices, which is a common pattern leading to laying out multiple overlapping child. + // We also disabled this when we have dimming overlay behind this specific one child. + // FIXME: More code may rely on explicit sorting of overlapping child window and would need to disable this somehow. Please get in contact if you are affected. + { + bool render_decorations_in_parent = false; + if ((flags & ImGuiWindowFlags_ChildWindow) && !(flags & ImGuiWindowFlags_Popup) && !window_is_child_tooltip) + if (window->DrawList->CmdBuffer.back().ElemCount == 0 && parent_window->DrawList->VtxBuffer.Size > 0) + render_decorations_in_parent = true; + if (render_decorations_in_parent) + window->DrawList = parent_window->DrawList; + + // Handle title bar, scrollbar, resize grips and resize borders + const ImGuiWindow* window_to_highlight = g.NavWindowingTarget ? g.NavWindowingTarget : g.NavWindow; + const bool title_bar_is_highlight = want_focus || (window_to_highlight && window->RootWindowForTitleBarHighlight == window_to_highlight->RootWindowForTitleBarHighlight); + RenderWindowDecorations(window, title_bar_rect, title_bar_is_highlight, resize_grip_count, resize_grip_col, resize_grip_draw_size); + + if (render_decorations_in_parent) + window->DrawList = &window->DrawListInst; + } + + // Draw navigation selection/windowing rectangle border + if (g.NavWindowingTargetAnim == window) + { + float rounding = ImMax(window->WindowRounding, g.Style.WindowRounding); + ImRect bb = window->Rect(); + bb.Expand(g.FontSize); + if (bb.Contains(viewport_rect)) // If a window fits the entire viewport, adjust its highlight inward + { + bb.Expand(-g.FontSize - 1.0f); + rounding = window->WindowRounding; + } + window->DrawList->AddRect(bb.Min, bb.Max, GetColorU32(ImGuiCol_NavWindowingHighlight, g.NavWindowingHighlightAlpha), rounding, ~0, 3.0f); + } + + // UPDATE RECTANGLES (2- THOSE AFFECTED BY SCROLLING) + + // Work rectangle. + // Affected by window padding and border size. Used by: + // - Columns() for right-most edge + // - TreeNode(), CollapsingHeader() for right-most edge + // - BeginTabBar() for right-most edge + const bool allow_scrollbar_x = !(flags & ImGuiWindowFlags_NoScrollbar) && (flags & ImGuiWindowFlags_HorizontalScrollbar); + const bool allow_scrollbar_y = !(flags & ImGuiWindowFlags_NoScrollbar); + const float work_rect_size_x = (window->ContentSizeExplicit.x != 0.0f ? window->ContentSizeExplicit.x : ImMax(allow_scrollbar_x ? window->ContentSize.x : 0.0f, window->Size.x - window->WindowPadding.x * 2.0f - window->ScrollbarSizes.x)); + const float work_rect_size_y = (window->ContentSizeExplicit.y != 0.0f ? window->ContentSizeExplicit.y : ImMax(allow_scrollbar_y ? window->ContentSize.y : 0.0f, window->Size.y - window->WindowPadding.y * 2.0f - decoration_up_height - window->ScrollbarSizes.y)); + window->WorkRect.Min.x = ImFloor(window->InnerRect.Min.x - window->Scroll.x + ImMax(window->WindowPadding.x, window->WindowBorderSize)); + window->WorkRect.Min.y = ImFloor(window->InnerRect.Min.y - window->Scroll.y + ImMax(window->WindowPadding.y, window->WindowBorderSize)); + window->WorkRect.Max.x = window->WorkRect.Min.x + work_rect_size_x; + window->WorkRect.Max.y = window->WorkRect.Min.y + work_rect_size_y; + + // [LEGACY] Content Region + // FIXME-OBSOLETE: window->ContentRegionRect.Max is currently very misleading / partly faulty, but some BeginChild() patterns relies on it. + // Used by: + // - Mouse wheel scrolling + many other things + window->ContentRegionRect.Min.x = window->Pos.x - window->Scroll.x + window->WindowPadding.x; + window->ContentRegionRect.Min.y = window->Pos.y - window->Scroll.y + window->WindowPadding.y + decoration_up_height; + window->ContentRegionRect.Max.x = window->ContentRegionRect.Min.x + (window->ContentSizeExplicit.x != 0.0f ? window->ContentSizeExplicit.x : (window->Size.x - window->WindowPadding.x * 2.0f - window->ScrollbarSizes.x)); + window->ContentRegionRect.Max.y = window->ContentRegionRect.Min.y + (window->ContentSizeExplicit.y != 0.0f ? window->ContentSizeExplicit.y : (window->Size.y - window->WindowPadding.y * 2.0f - decoration_up_height - window->ScrollbarSizes.y)); + + // Setup drawing context + // (NB: That term "drawing context / DC" lost its meaning a long time ago. Initially was meant to hold transient data only. Nowadays difference between window-> and window->DC-> is dubious.) + window->DC.Indent.x = 0.0f + window->WindowPadding.x - window->Scroll.x; + window->DC.GroupOffset.x = 0.0f; + window->DC.ColumnsOffset.x = 0.0f; + window->DC.CursorStartPos = window->Pos + ImVec2(window->DC.Indent.x + window->DC.ColumnsOffset.x, decoration_up_height + window->WindowPadding.y - window->Scroll.y); + window->DC.CursorPos = window->DC.CursorStartPos; + window->DC.CursorPosPrevLine = window->DC.CursorPos; + window->DC.CursorMaxPos = window->DC.CursorStartPos; + window->DC.CurrLineSize = window->DC.PrevLineSize = ImVec2(0.0f, 0.0f); + window->DC.CurrLineTextBaseOffset = window->DC.PrevLineTextBaseOffset = 0.0f; + + window->DC.NavLayerCurrent = ImGuiNavLayer_Main; + window->DC.NavLayerCurrentMask = (1 << ImGuiNavLayer_Main); + window->DC.NavLayerActiveMask = window->DC.NavLayerActiveMaskNext; + window->DC.NavLayerActiveMaskNext = 0x00; + window->DC.NavFocusScopeIdCurrent = parent_window ? parent_window->DC.NavFocusScopeIdCurrent : 0; + window->DC.NavHideHighlightOneFrame = false; + window->DC.NavHasScroll = (window->ScrollMax.y > 0.0f); + + window->DC.MenuBarAppending = false; + window->DC.MenuBarOffset.x = ImMax(ImMax(window->WindowPadding.x, style.ItemSpacing.x), g.NextWindowData.MenuBarOffsetMinVal.x); + window->DC.MenuBarOffset.y = g.NextWindowData.MenuBarOffsetMinVal.y; + window->DC.MenuColumns.Update(3, style.ItemSpacing.x, window_just_activated_by_user); + window->DC.TreeDepth = 0; + window->DC.TreeJumpToParentOnPopMask = 0x00; + window->DC.ChildWindows.resize(0); + window->DC.StateStorage = &window->StateStorage; + window->DC.CurrentColumns = NULL; + window->DC.LayoutType = ImGuiLayoutType_Vertical; + window->DC.ParentLayoutType = parent_window ? parent_window->DC.LayoutType : ImGuiLayoutType_Vertical; + window->DC.FocusCounterRegular = window->DC.FocusCounterTabStop = -1; + + window->DC.ItemWidth = window->ItemWidthDefault; + window->DC.TextWrapPos = -1.0f; // disabled + window->DC.ItemFlagsStack.resize(0); + window->DC.ItemWidthStack.resize(0); + window->DC.TextWrapPosStack.resize(0); + window->DC.GroupStack.resize(0); + window->DC.ItemFlags = parent_window ? parent_window->DC.ItemFlags : ImGuiItemFlags_Default_; + if (parent_window) + window->DC.ItemFlagsStack.push_back(window->DC.ItemFlags); + + if (window->AutoFitFramesX > 0) + window->AutoFitFramesX--; + if (window->AutoFitFramesY > 0) + window->AutoFitFramesY--; + + // Apply focus (we need to call FocusWindow() AFTER setting DC.CursorStartPos so our initial navigation reference rectangle can start around there) + if (want_focus) + { + FocusWindow(window); + NavInitWindow(window, false); + } + + // Title bar + if (!(flags & ImGuiWindowFlags_NoTitleBar)) + RenderWindowTitleBarContents(window, title_bar_rect, name, p_open); + + // Pressing CTRL+C while holding on a window copy its content to the clipboard + // This works but 1. doesn't handle multiple Begin/End pairs, 2. recursing into another Begin/End pair - so we need to work that out and add better logging scope. + // Maybe we can support CTRL+C on every element? + /* + if (g.ActiveId == move_id) + if (g.IO.KeyCtrl && IsKeyPressedMap(ImGuiKey_C)) + LogToClipboard(); + */ + + // We fill last item data based on Title Bar/Tab, in order for IsItemHovered() and IsItemActive() to be usable after Begin(). + // This is useful to allow creating context menus on title bar only, etc. + window->DC.LastItemId = window->MoveId; + window->DC.LastItemStatusFlags = IsMouseHoveringRect(title_bar_rect.Min, title_bar_rect.Max, false) ? ImGuiItemStatusFlags_HoveredRect : 0; + window->DC.LastItemRect = title_bar_rect; +#ifdef IMGUI_ENABLE_TEST_ENGINE + if (!(window->Flags & ImGuiWindowFlags_NoTitleBar)) + IMGUI_TEST_ENGINE_ITEM_ADD(window->DC.LastItemRect, window->DC.LastItemId); +#endif + } + else + { + // Append + SetCurrentWindow(window); + } + + PushClipRect(window->InnerClipRect.Min, window->InnerClipRect.Max, true); + + // Clear 'accessed' flag last thing (After PushClipRect which will set the flag. We want the flag to stay false when the default "Debug" window is unused) + if (first_begin_of_the_frame) + window->WriteAccessed = false; + + window->BeginCount++; + g.NextWindowData.ClearFlags(); + + if (flags & ImGuiWindowFlags_ChildWindow) + { + // Child window can be out of sight and have "negative" clip windows. + // Mark them as collapsed so commands are skipped earlier (we can't manually collapse them because they have no title bar). + IM_ASSERT((flags & ImGuiWindowFlags_NoTitleBar) != 0); + if (!(flags & ImGuiWindowFlags_AlwaysAutoResize) && window->AutoFitFramesX <= 0 && window->AutoFitFramesY <= 0) + if (window->OuterRectClipped.Min.x >= window->OuterRectClipped.Max.x || window->OuterRectClipped.Min.y >= window->OuterRectClipped.Max.y) + window->HiddenFramesCanSkipItems = 1; + + // Hide along with parent or if parent is collapsed + if (parent_window && (parent_window->Collapsed || parent_window->HiddenFramesCanSkipItems > 0)) + window->HiddenFramesCanSkipItems = 1; + if (parent_window && (parent_window->Collapsed || parent_window->HiddenFramesCannotSkipItems > 0)) + window->HiddenFramesCannotSkipItems = 1; + } + + // Don't render if style alpha is 0.0 at the time of Begin(). This is arbitrary and inconsistent but has been there for a long while (may remove at some point) + if (style.Alpha <= 0.0f) + window->HiddenFramesCanSkipItems = 1; + + // Update the Hidden flag + window->Hidden = (window->HiddenFramesCanSkipItems > 0) || (window->HiddenFramesCannotSkipItems > 0); + + // Update the SkipItems flag, used to early out of all items functions (no layout required) + bool skip_items = false; + if (window->Collapsed || !window->Active || window->Hidden) + if (window->AutoFitFramesX <= 0 && window->AutoFitFramesY <= 0 && window->HiddenFramesCannotSkipItems <= 0) + skip_items = true; + window->SkipItems = skip_items; + + return !skip_items; +} + +void ImGui::End() +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + + // Error checking: verify that user hasn't called End() too many times! + if (g.CurrentWindowStack.Size <= 1 && g.WithinFrameScopeWithImplicitWindow) + { + IM_ASSERT_USER_ERROR(g.CurrentWindowStack.Size > 1, "Calling End() too many times!"); + return; + } + IM_ASSERT(g.CurrentWindowStack.Size > 0); + + // Error checking: verify that user doesn't directly call End() on a child window. + if (window->Flags & ImGuiWindowFlags_ChildWindow) + IM_ASSERT_USER_ERROR(g.WithinEndChild, "Must call EndChild() and not End()!"); + + // Close anything that is open + if (window->DC.CurrentColumns) + EndColumns(); + PopClipRect(); // Inner window clip rectangle + + // Stop logging + if (!(window->Flags & ImGuiWindowFlags_ChildWindow)) // FIXME: add more options for scope of logging + LogFinish(); + + // Pop from window stack + g.CurrentWindowStack.pop_back(); + if (window->Flags & ImGuiWindowFlags_Popup) + g.BeginPopupStack.pop_back(); + ErrorCheckBeginEndCompareStacksSize(window, false); + SetCurrentWindow(g.CurrentWindowStack.empty() ? NULL : g.CurrentWindowStack.back()); +} + +void ImGui::BringWindowToFocusFront(ImGuiWindow* window) +{ + ImGuiContext& g = *GImGui; + if (g.WindowsFocusOrder.back() == window) + return; + for (int i = g.WindowsFocusOrder.Size - 2; i >= 0; i--) // We can ignore the top-most window + if (g.WindowsFocusOrder[i] == window) + { + memmove(&g.WindowsFocusOrder[i], &g.WindowsFocusOrder[i + 1], (size_t)(g.WindowsFocusOrder.Size - i - 1) * sizeof(ImGuiWindow*)); + g.WindowsFocusOrder[g.WindowsFocusOrder.Size - 1] = window; + break; + } +} + +void ImGui::BringWindowToDisplayFront(ImGuiWindow* window) +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* current_front_window = g.Windows.back(); + if (current_front_window == window || current_front_window->RootWindow == window) + return; + for (int i = g.Windows.Size - 2; i >= 0; i--) // We can ignore the top-most window + if (g.Windows[i] == window) + { + memmove(&g.Windows[i], &g.Windows[i + 1], (size_t)(g.Windows.Size - i - 1) * sizeof(ImGuiWindow*)); + g.Windows[g.Windows.Size - 1] = window; + break; + } +} + +void ImGui::BringWindowToDisplayBack(ImGuiWindow* window) +{ + ImGuiContext& g = *GImGui; + if (g.Windows[0] == window) + return; + for (int i = 0; i < g.Windows.Size; i++) + if (g.Windows[i] == window) + { + memmove(&g.Windows[1], &g.Windows[0], (size_t)i * sizeof(ImGuiWindow*)); + g.Windows[0] = window; + break; + } +} + +// Moving window to front of display and set focus (which happens to be back of our sorted list) +void ImGui::FocusWindow(ImGuiWindow* window) +{ + ImGuiContext& g = *GImGui; + + if (g.NavWindow != window) + { + g.NavWindow = window; + if (window && g.NavDisableMouseHover) + g.NavMousePosDirty = true; + g.NavInitRequest = false; + g.NavId = window ? window->NavLastIds[0] : 0; // Restore NavId + g.NavFocusScopeId = 0; + g.NavIdIsAlive = false; + g.NavLayer = ImGuiNavLayer_Main; + //IMGUI_DEBUG_LOG("FocusWindow(\"%s\")\n", window ? window->Name : NULL); + } + + // Close popups if any + ClosePopupsOverWindow(window, false); + + // Passing NULL allow to disable keyboard focus + if (!window) + return; + + // Move the root window to the top of the pile + IM_ASSERT(window->RootWindow != NULL); + ImGuiWindow* focus_front_window = window->RootWindow; // NB: In docking branch this is window->RootWindowDockStop + ImGuiWindow* display_front_window = window->RootWindow; + + // Steal focus on active widgets + if (focus_front_window->Flags & ImGuiWindowFlags_Popup) // FIXME: This statement may be unnecessary? Need further testing before removing it.. + if (g.ActiveId != 0 && g.ActiveIdWindow && g.ActiveIdWindow->RootWindow != focus_front_window) + ClearActiveID(); + + // Bring to front + BringWindowToFocusFront(focus_front_window); + if (((window->Flags | display_front_window->Flags) & ImGuiWindowFlags_NoBringToFrontOnFocus) == 0) + BringWindowToDisplayFront(display_front_window); +} + +void ImGui::FocusTopMostWindowUnderOne(ImGuiWindow* under_this_window, ImGuiWindow* ignore_window) +{ + ImGuiContext& g = *GImGui; + + int start_idx = g.WindowsFocusOrder.Size - 1; + if (under_this_window != NULL) + { + int under_this_window_idx = FindWindowFocusIndex(under_this_window); + if (under_this_window_idx != -1) + start_idx = under_this_window_idx - 1; + } + for (int i = start_idx; i >= 0; i--) + { + // We may later decide to test for different NoXXXInputs based on the active navigation input (mouse vs nav) but that may feel more confusing to the user. + ImGuiWindow* window = g.WindowsFocusOrder[i]; + if (window != ignore_window && window->WasActive && !(window->Flags & ImGuiWindowFlags_ChildWindow)) + if ((window->Flags & (ImGuiWindowFlags_NoMouseInputs | ImGuiWindowFlags_NoNavInputs)) != (ImGuiWindowFlags_NoMouseInputs | ImGuiWindowFlags_NoNavInputs)) + { + ImGuiWindow* focus_window = NavRestoreLastChildNavWindow(window); + FocusWindow(focus_window); + return; + } + } + FocusWindow(NULL); +} + +void ImGui::SetCurrentFont(ImFont* font) +{ + ImGuiContext& g = *GImGui; + IM_ASSERT(font && font->IsLoaded()); // Font Atlas not created. Did you call io.Fonts->GetTexDataAsRGBA32 / GetTexDataAsAlpha8 ? + IM_ASSERT(font->Scale > 0.0f); + g.Font = font; + g.FontBaseSize = ImMax(1.0f, g.IO.FontGlobalScale * g.Font->FontSize * g.Font->Scale); + g.FontSize = g.CurrentWindow ? g.CurrentWindow->CalcFontSize() : 0.0f; + + ImFontAtlas* atlas = g.Font->ContainerAtlas; + g.DrawListSharedData.TexUvWhitePixel = atlas->TexUvWhitePixel; + g.DrawListSharedData.Font = g.Font; + g.DrawListSharedData.FontSize = g.FontSize; +} + +void ImGui::PushFont(ImFont* font) +{ + ImGuiContext& g = *GImGui; + if (!font) + font = GetDefaultFont(); + SetCurrentFont(font); + g.FontStack.push_back(font); + g.CurrentWindow->DrawList->PushTextureID(font->ContainerAtlas->TexID); +} + +void ImGui::PopFont() +{ + ImGuiContext& g = *GImGui; + g.CurrentWindow->DrawList->PopTextureID(); + g.FontStack.pop_back(); + SetCurrentFont(g.FontStack.empty() ? GetDefaultFont() : g.FontStack.back()); +} + +void ImGui::PushItemFlag(ImGuiItemFlags option, bool enabled) +{ + ImGuiWindow* window = GetCurrentWindow(); + if (enabled) + window->DC.ItemFlags |= option; + else + window->DC.ItemFlags &= ~option; + window->DC.ItemFlagsStack.push_back(window->DC.ItemFlags); +} + +void ImGui::PopItemFlag() +{ + ImGuiWindow* window = GetCurrentWindow(); + window->DC.ItemFlagsStack.pop_back(); + window->DC.ItemFlags = window->DC.ItemFlagsStack.empty() ? ImGuiItemFlags_Default_ : window->DC.ItemFlagsStack.back(); +} + +// FIXME: Look into renaming this once we have settled the new Focus/Activation/TabStop system. +void ImGui::PushAllowKeyboardFocus(bool allow_keyboard_focus) +{ + PushItemFlag(ImGuiItemFlags_NoTabStop, !allow_keyboard_focus); +} + +void ImGui::PopAllowKeyboardFocus() +{ + PopItemFlag(); +} + +void ImGui::PushButtonRepeat(bool repeat) +{ + PushItemFlag(ImGuiItemFlags_ButtonRepeat, repeat); +} + +void ImGui::PopButtonRepeat() +{ + PopItemFlag(); +} + +void ImGui::PushTextWrapPos(float wrap_pos_x) +{ + ImGuiWindow* window = GetCurrentWindow(); + window->DC.TextWrapPos = wrap_pos_x; + window->DC.TextWrapPosStack.push_back(wrap_pos_x); +} + +void ImGui::PopTextWrapPos() +{ + ImGuiWindow* window = GetCurrentWindow(); + window->DC.TextWrapPosStack.pop_back(); + window->DC.TextWrapPos = window->DC.TextWrapPosStack.empty() ? -1.0f : window->DC.TextWrapPosStack.back(); +} + +bool ImGui::IsWindowChildOf(ImGuiWindow* window, ImGuiWindow* potential_parent) +{ + if (window->RootWindow == potential_parent) + return true; + while (window != NULL) + { + if (window == potential_parent) + return true; + window = window->ParentWindow; + } + return false; +} + +bool ImGui::IsWindowHovered(ImGuiHoveredFlags flags) +{ + IM_ASSERT((flags & ImGuiHoveredFlags_AllowWhenOverlapped) == 0); // Flags not supported by this function + ImGuiContext& g = *GImGui; + + if (flags & ImGuiHoveredFlags_AnyWindow) + { + if (g.HoveredWindow == NULL) + return false; + } + else + { + switch (flags & (ImGuiHoveredFlags_RootWindow | ImGuiHoveredFlags_ChildWindows)) + { + case ImGuiHoveredFlags_RootWindow | ImGuiHoveredFlags_ChildWindows: + if (g.HoveredRootWindow != g.CurrentWindow->RootWindow) + return false; + break; + case ImGuiHoveredFlags_RootWindow: + if (g.HoveredWindow != g.CurrentWindow->RootWindow) + return false; + break; + case ImGuiHoveredFlags_ChildWindows: + if (g.HoveredWindow == NULL || !IsWindowChildOf(g.HoveredWindow, g.CurrentWindow)) + return false; + break; + default: + if (g.HoveredWindow != g.CurrentWindow) + return false; + break; + } + } + + if (!IsWindowContentHoverable(g.HoveredWindow, flags)) + return false; + if (!(flags & ImGuiHoveredFlags_AllowWhenBlockedByActiveItem)) + if (g.ActiveId != 0 && !g.ActiveIdAllowOverlap && g.ActiveId != g.HoveredWindow->MoveId) + return false; + return true; +} + +bool ImGui::IsWindowFocused(ImGuiFocusedFlags flags) +{ + ImGuiContext& g = *GImGui; + + if (flags & ImGuiFocusedFlags_AnyWindow) + return g.NavWindow != NULL; + + IM_ASSERT(g.CurrentWindow); // Not inside a Begin()/End() + switch (flags & (ImGuiFocusedFlags_RootWindow | ImGuiFocusedFlags_ChildWindows)) + { + case ImGuiFocusedFlags_RootWindow | ImGuiFocusedFlags_ChildWindows: + return g.NavWindow && g.NavWindow->RootWindow == g.CurrentWindow->RootWindow; + case ImGuiFocusedFlags_RootWindow: + return g.NavWindow == g.CurrentWindow->RootWindow; + case ImGuiFocusedFlags_ChildWindows: + return g.NavWindow && IsWindowChildOf(g.NavWindow, g.CurrentWindow); + default: + return g.NavWindow == g.CurrentWindow; + } +} + +// Can we focus this window with CTRL+TAB (or PadMenu + PadFocusPrev/PadFocusNext) +// Note that NoNavFocus makes the window not reachable with CTRL+TAB but it can still be focused with mouse or programmaticaly. +// If you want a window to never be focused, you may use the e.g. NoInputs flag. +bool ImGui::IsWindowNavFocusable(ImGuiWindow* window) +{ + return window->Active && window == window->RootWindow && !(window->Flags & ImGuiWindowFlags_NoNavFocus); +} + +float ImGui::GetWindowWidth() +{ + ImGuiWindow* window = GImGui->CurrentWindow; + return window->Size.x; +} + +float ImGui::GetWindowHeight() +{ + ImGuiWindow* window = GImGui->CurrentWindow; + return window->Size.y; +} + +ImVec2 ImGui::GetWindowPos() +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + return window->Pos; +} + +void ImGui::SetWindowPos(ImGuiWindow* window, const ImVec2& pos, ImGuiCond cond) +{ + // Test condition (NB: bit 0 is always true) and clear flags for next time + if (cond && (window->SetWindowPosAllowFlags & cond) == 0) + return; + + IM_ASSERT(cond == 0 || ImIsPowerOfTwo(cond)); // Make sure the user doesn't attempt to combine multiple condition flags. + window->SetWindowPosAllowFlags &= ~(ImGuiCond_Once | ImGuiCond_FirstUseEver | ImGuiCond_Appearing); + window->SetWindowPosVal = ImVec2(FLT_MAX, FLT_MAX); + + // Set + const ImVec2 old_pos = window->Pos; + window->Pos = ImFloor(pos); + ImVec2 offset = window->Pos - old_pos; + window->DC.CursorPos += offset; // As we happen to move the window while it is being appended to (which is a bad idea - will smear) let's at least offset the cursor + window->DC.CursorMaxPos += offset; // And more importantly we need to offset CursorMaxPos/CursorStartPos this so ContentSize calculation doesn't get affected. + window->DC.CursorStartPos += offset; +} + +void ImGui::SetWindowPos(const ImVec2& pos, ImGuiCond cond) +{ + ImGuiWindow* window = GetCurrentWindowRead(); + SetWindowPos(window, pos, cond); +} + +void ImGui::SetWindowPos(const char* name, const ImVec2& pos, ImGuiCond cond) +{ + if (ImGuiWindow* window = FindWindowByName(name)) + SetWindowPos(window, pos, cond); +} + +ImVec2 ImGui::GetWindowSize() +{ + ImGuiWindow* window = GetCurrentWindowRead(); + return window->Size; +} + +void ImGui::SetWindowSize(ImGuiWindow* window, const ImVec2& size, ImGuiCond cond) +{ + // Test condition (NB: bit 0 is always true) and clear flags for next time + if (cond && (window->SetWindowSizeAllowFlags & cond) == 0) + return; + + IM_ASSERT(cond == 0 || ImIsPowerOfTwo(cond)); // Make sure the user doesn't attempt to combine multiple condition flags. + window->SetWindowSizeAllowFlags &= ~(ImGuiCond_Once | ImGuiCond_FirstUseEver | ImGuiCond_Appearing); + + // Set + if (size.x > 0.0f) + { + window->AutoFitFramesX = 0; + window->SizeFull.x = IM_FLOOR(size.x); + } + else + { + window->AutoFitFramesX = 2; + window->AutoFitOnlyGrows = false; + } + if (size.y > 0.0f) + { + window->AutoFitFramesY = 0; + window->SizeFull.y = IM_FLOOR(size.y); + } + else + { + window->AutoFitFramesY = 2; + window->AutoFitOnlyGrows = false; + } +} + +void ImGui::SetWindowSize(const ImVec2& size, ImGuiCond cond) +{ + SetWindowSize(GImGui->CurrentWindow, size, cond); +} + +void ImGui::SetWindowSize(const char* name, const ImVec2& size, ImGuiCond cond) +{ + if (ImGuiWindow* window = FindWindowByName(name)) + SetWindowSize(window, size, cond); +} + +void ImGui::SetWindowCollapsed(ImGuiWindow* window, bool collapsed, ImGuiCond cond) +{ + // Test condition (NB: bit 0 is always true) and clear flags for next time + if (cond && (window->SetWindowCollapsedAllowFlags & cond) == 0) + return; + window->SetWindowCollapsedAllowFlags &= ~(ImGuiCond_Once | ImGuiCond_FirstUseEver | ImGuiCond_Appearing); + + // Set + window->Collapsed = collapsed; +} + +void ImGui::SetWindowCollapsed(bool collapsed, ImGuiCond cond) +{ + SetWindowCollapsed(GImGui->CurrentWindow, collapsed, cond); +} + +bool ImGui::IsWindowCollapsed() +{ + ImGuiWindow* window = GetCurrentWindowRead(); + return window->Collapsed; +} + +bool ImGui::IsWindowAppearing() +{ + ImGuiWindow* window = GetCurrentWindowRead(); + return window->Appearing; +} + +void ImGui::SetWindowCollapsed(const char* name, bool collapsed, ImGuiCond cond) +{ + if (ImGuiWindow* window = FindWindowByName(name)) + SetWindowCollapsed(window, collapsed, cond); +} + +void ImGui::SetWindowFocus() +{ + FocusWindow(GImGui->CurrentWindow); +} + +void ImGui::SetWindowFocus(const char* name) +{ + if (name) + { + if (ImGuiWindow* window = FindWindowByName(name)) + FocusWindow(window); + } + else + { + FocusWindow(NULL); + } +} + +void ImGui::SetNextWindowPos(const ImVec2& pos, ImGuiCond cond, const ImVec2& pivot) +{ + ImGuiContext& g = *GImGui; + IM_ASSERT(cond == 0 || ImIsPowerOfTwo(cond)); // Make sure the user doesn't attempt to combine multiple condition flags. + g.NextWindowData.Flags |= ImGuiNextWindowDataFlags_HasPos; + g.NextWindowData.PosVal = pos; + g.NextWindowData.PosPivotVal = pivot; + g.NextWindowData.PosCond = cond ? cond : ImGuiCond_Always; +} + +void ImGui::SetNextWindowSize(const ImVec2& size, ImGuiCond cond) +{ + ImGuiContext& g = *GImGui; + IM_ASSERT(cond == 0 || ImIsPowerOfTwo(cond)); // Make sure the user doesn't attempt to combine multiple condition flags. + g.NextWindowData.Flags |= ImGuiNextWindowDataFlags_HasSize; + g.NextWindowData.SizeVal = size; + g.NextWindowData.SizeCond = cond ? cond : ImGuiCond_Always; +} + +void ImGui::SetNextWindowSizeConstraints(const ImVec2& size_min, const ImVec2& size_max, ImGuiSizeCallback custom_callback, void* custom_callback_user_data) +{ + ImGuiContext& g = *GImGui; + g.NextWindowData.Flags |= ImGuiNextWindowDataFlags_HasSizeConstraint; + g.NextWindowData.SizeConstraintRect = ImRect(size_min, size_max); + g.NextWindowData.SizeCallback = custom_callback; + g.NextWindowData.SizeCallbackUserData = custom_callback_user_data; +} + +// Content size = inner scrollable rectangle, padded with WindowPadding. +// SetNextWindowContentSize(ImVec2(100,100) + ImGuiWindowFlags_AlwaysAutoResize will always allow submitting a 100x100 item. +void ImGui::SetNextWindowContentSize(const ImVec2& size) +{ + ImGuiContext& g = *GImGui; + g.NextWindowData.Flags |= ImGuiNextWindowDataFlags_HasContentSize; + g.NextWindowData.ContentSizeVal = size; +} + +void ImGui::SetNextWindowCollapsed(bool collapsed, ImGuiCond cond) +{ + ImGuiContext& g = *GImGui; + IM_ASSERT(cond == 0 || ImIsPowerOfTwo(cond)); // Make sure the user doesn't attempt to combine multiple condition flags. + g.NextWindowData.Flags |= ImGuiNextWindowDataFlags_HasCollapsed; + g.NextWindowData.CollapsedVal = collapsed; + g.NextWindowData.CollapsedCond = cond ? cond : ImGuiCond_Always; +} + +void ImGui::SetNextWindowFocus() +{ + ImGuiContext& g = *GImGui; + g.NextWindowData.Flags |= ImGuiNextWindowDataFlags_HasFocus; +} + +void ImGui::SetNextWindowBgAlpha(float alpha) +{ + ImGuiContext& g = *GImGui; + g.NextWindowData.Flags |= ImGuiNextWindowDataFlags_HasBgAlpha; + g.NextWindowData.BgAlphaVal = alpha; +} + +ImDrawList* ImGui::GetWindowDrawList() +{ + ImGuiWindow* window = GetCurrentWindow(); + return window->DrawList; +} + +ImFont* ImGui::GetFont() +{ + return GImGui->Font; +} + +float ImGui::GetFontSize() +{ + return GImGui->FontSize; +} + +ImVec2 ImGui::GetFontTexUvWhitePixel() +{ + return GImGui->DrawListSharedData.TexUvWhitePixel; +} + +void ImGui::SetWindowFontScale(float scale) +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = GetCurrentWindow(); + window->FontWindowScale = scale; + g.FontSize = g.DrawListSharedData.FontSize = window->CalcFontSize(); +} + +void ImGui::ActivateItem(ImGuiID id) +{ + ImGuiContext& g = *GImGui; + g.NavNextActivateId = id; +} + +void ImGui::PushFocusScope(ImGuiID id) +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + window->IDStack.push_back(window->DC.NavFocusScopeIdCurrent); + window->DC.NavFocusScopeIdCurrent = id; +} + +void ImGui::PopFocusScope() +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + window->DC.NavFocusScopeIdCurrent = window->IDStack.back(); + window->IDStack.pop_back(); +} + +void ImGui::SetKeyboardFocusHere(int offset) +{ + IM_ASSERT(offset >= -1); // -1 is allowed but not below + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + g.FocusRequestNextWindow = window; + g.FocusRequestNextCounterRegular = window->DC.FocusCounterRegular + 1 + offset; + g.FocusRequestNextCounterTabStop = INT_MAX; +} + +void ImGui::SetItemDefaultFocus() +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + if (!window->Appearing) + return; + if (g.NavWindow == window->RootWindowForNav && (g.NavInitRequest || g.NavInitResultId != 0) && g.NavLayer == g.NavWindow->DC.NavLayerCurrent) + { + g.NavInitRequest = false; + g.NavInitResultId = g.NavWindow->DC.LastItemId; + g.NavInitResultRectRel = ImRect(g.NavWindow->DC.LastItemRect.Min - g.NavWindow->Pos, g.NavWindow->DC.LastItemRect.Max - g.NavWindow->Pos); + NavUpdateAnyRequestFlag(); + if (!IsItemVisible()) + SetScrollHereY(); + } +} + +void ImGui::SetStateStorage(ImGuiStorage* tree) +{ + ImGuiWindow* window = GImGui->CurrentWindow; + window->DC.StateStorage = tree ? tree : &window->StateStorage; +} + +ImGuiStorage* ImGui::GetStateStorage() +{ + ImGuiWindow* window = GImGui->CurrentWindow; + return window->DC.StateStorage; +} + +void ImGui::PushID(const char* str_id) +{ + ImGuiWindow* window = GImGui->CurrentWindow; + window->IDStack.push_back(window->GetIDNoKeepAlive(str_id)); +} + +void ImGui::PushID(const char* str_id_begin, const char* str_id_end) +{ + ImGuiWindow* window = GImGui->CurrentWindow; + window->IDStack.push_back(window->GetIDNoKeepAlive(str_id_begin, str_id_end)); +} + +void ImGui::PushID(const void* ptr_id) +{ + ImGuiWindow* window = GImGui->CurrentWindow; + window->IDStack.push_back(window->GetIDNoKeepAlive(ptr_id)); +} + +void ImGui::PushID(int int_id) +{ + ImGuiWindow* window = GImGui->CurrentWindow; + window->IDStack.push_back(window->GetIDNoKeepAlive(int_id)); +} + +// Push a given id value ignoring the ID stack as a seed. +void ImGui::PushOverrideID(ImGuiID id) +{ + ImGuiWindow* window = GImGui->CurrentWindow; + window->IDStack.push_back(id); +} + +void ImGui::PopID() +{ + ImGuiWindow* window = GImGui->CurrentWindow; + window->IDStack.pop_back(); +} + +ImGuiID ImGui::GetID(const char* str_id) +{ + ImGuiWindow* window = GImGui->CurrentWindow; + return window->GetID(str_id); +} + +ImGuiID ImGui::GetID(const char* str_id_begin, const char* str_id_end) +{ + ImGuiWindow* window = GImGui->CurrentWindow; + return window->GetID(str_id_begin, str_id_end); +} + +ImGuiID ImGui::GetID(const void* ptr_id) +{ + ImGuiWindow* window = GImGui->CurrentWindow; + return window->GetID(ptr_id); +} + +bool ImGui::IsRectVisible(const ImVec2& size) +{ + ImGuiWindow* window = GImGui->CurrentWindow; + return window->ClipRect.Overlaps(ImRect(window->DC.CursorPos, window->DC.CursorPos + size)); +} + +bool ImGui::IsRectVisible(const ImVec2& rect_min, const ImVec2& rect_max) +{ + ImGuiWindow* window = GImGui->CurrentWindow; + return window->ClipRect.Overlaps(ImRect(rect_min, rect_max)); +} + + +//----------------------------------------------------------------------------- +// [SECTION] ERROR CHECKING +//----------------------------------------------------------------------------- + +// Helper function to verify ABI compatibility between caller code and compiled version of Dear ImGui. +// Verify that the type sizes are matching between the calling file's compilation unit and imgui.cpp's compilation unit +// If the user has inconsistent compilation settings, imgui configuration #define, packing pragma, etc. your user code +// may see different structures than what imgui.cpp sees, which is problematic. +// We usually require settings to be in imconfig.h to make sure that they are accessible to all compilation units involved with Dear ImGui. +bool ImGui::DebugCheckVersionAndDataLayout(const char* version, size_t sz_io, size_t sz_style, size_t sz_vec2, size_t sz_vec4, size_t sz_vert, size_t sz_idx) +{ + bool error = false; + if (strcmp(version, IMGUI_VERSION) != 0) { error = true; IM_ASSERT(strcmp(version, IMGUI_VERSION) == 0 && "Mismatched version string!"); } + if (sz_io != sizeof(ImGuiIO)) { error = true; IM_ASSERT(sz_io == sizeof(ImGuiIO) && "Mismatched struct layout!"); } + if (sz_style != sizeof(ImGuiStyle)) { error = true; IM_ASSERT(sz_style == sizeof(ImGuiStyle) && "Mismatched struct layout!"); } + if (sz_vec2 != sizeof(ImVec2)) { error = true; IM_ASSERT(sz_vec2 == sizeof(ImVec2) && "Mismatched struct layout!"); } + if (sz_vec4 != sizeof(ImVec4)) { error = true; IM_ASSERT(sz_vec4 == sizeof(ImVec4) && "Mismatched struct layout!"); } + if (sz_vert != sizeof(ImDrawVert)) { error = true; IM_ASSERT(sz_vert == sizeof(ImDrawVert) && "Mismatched struct layout!"); } + if (sz_idx != sizeof(ImDrawIdx)) { error = true; IM_ASSERT(sz_idx == sizeof(ImDrawIdx) && "Mismatched struct layout!"); } + return !error; +} + +static void ImGui::ErrorCheckNewFrameSanityChecks() +{ + ImGuiContext& g = *GImGui; + + // Check user data + // (We pass an error message in the assert expression to make it visible to programmers who are not using a debugger, as most assert handlers display their argument) + IM_ASSERT(g.Initialized); + IM_ASSERT((g.IO.DeltaTime > 0.0f || g.FrameCount == 0) && "Need a positive DeltaTime!"); + IM_ASSERT((g.FrameCount == 0 || g.FrameCountEnded == g.FrameCount) && "Forgot to call Render() or EndFrame() at the end of the previous frame?"); + IM_ASSERT(g.IO.DisplaySize.x >= 0.0f && g.IO.DisplaySize.y >= 0.0f && "Invalid DisplaySize value!"); + IM_ASSERT(g.IO.Fonts->Fonts.Size > 0 && "Font Atlas not built. Did you call io.Fonts->GetTexDataAsRGBA32() / GetTexDataAsAlpha8() ?"); + IM_ASSERT(g.IO.Fonts->Fonts[0]->IsLoaded() && "Font Atlas not built. Did you call io.Fonts->GetTexDataAsRGBA32() / GetTexDataAsAlpha8() ?"); + IM_ASSERT(g.Style.CurveTessellationTol > 0.0f && "Invalid style setting!"); + IM_ASSERT(g.Style.CircleSegmentMaxError > 0.0f && "Invalid style setting!"); + IM_ASSERT(g.Style.Alpha >= 0.0f && g.Style.Alpha <= 1.0f && "Invalid style setting. Alpha cannot be negative (allows us to avoid a few clamps in color computations)!"); + IM_ASSERT(g.Style.WindowMinSize.x >= 1.0f && g.Style.WindowMinSize.y >= 1.0f && "Invalid style setting."); + IM_ASSERT(g.Style.WindowMenuButtonPosition == ImGuiDir_None || g.Style.WindowMenuButtonPosition == ImGuiDir_Left || g.Style.WindowMenuButtonPosition == ImGuiDir_Right); + for (int n = 0; n < ImGuiKey_COUNT; n++) + IM_ASSERT(g.IO.KeyMap[n] >= -1 && g.IO.KeyMap[n] < IM_ARRAYSIZE(g.IO.KeysDown) && "io.KeyMap[] contains an out of bound value (need to be 0..512, or -1 for unmapped key)"); + + // Perform simple check: required key mapping (we intentionally do NOT check all keys to not pressure user into setting up everything, but Space is required and was only recently added in 1.60 WIP) + if (g.IO.ConfigFlags & ImGuiConfigFlags_NavEnableKeyboard) + IM_ASSERT(g.IO.KeyMap[ImGuiKey_Space] != -1 && "ImGuiKey_Space is not mapped, required for keyboard navigation."); + + // Perform simple check: the beta io.ConfigWindowsResizeFromEdges option requires back-end to honor mouse cursor changes and set the ImGuiBackendFlags_HasMouseCursors flag accordingly. + if (g.IO.ConfigWindowsResizeFromEdges && !(g.IO.BackendFlags & ImGuiBackendFlags_HasMouseCursors)) + g.IO.ConfigWindowsResizeFromEdges = false; +} + +static void ImGui::ErrorCheckEndFrameSanityChecks() +{ + ImGuiContext& g = *GImGui; + + // Verify that io.KeyXXX fields haven't been tampered with. Key mods shoudl not be modified between NewFrame() and EndFrame() + const ImGuiKeyModFlags expected_key_mod_flags = GetMergedKeyModFlags(); + IM_ASSERT(g.IO.KeyMods == expected_key_mod_flags && "Mismatching io.KeyCtrl/io.KeyShift/io.KeyAlt/io.KeySuper vs io.KeyMods"); + IM_UNUSED(expected_key_mod_flags); + + // Report when there is a mismatch of Begin/BeginChild vs End/EndChild calls. Important: Remember that the Begin/BeginChild API requires you + // to always call End/EndChild even if Begin/BeginChild returns false! (this is unfortunately inconsistent with most other Begin* API). + if (g.CurrentWindowStack.Size != 1) + { + if (g.CurrentWindowStack.Size > 1) + { + IM_ASSERT_USER_ERROR(g.CurrentWindowStack.Size == 1, "Mismatched Begin/BeginChild vs End/EndChild calls: did you forget to call End/EndChild?"); + while (g.CurrentWindowStack.Size > 1) + End(); + } + else + { + IM_ASSERT_USER_ERROR(g.CurrentWindowStack.Size == 1, "Mismatched Begin/BeginChild vs End/EndChild calls: did you call End/EndChild too much?"); + } + } +} + +// Save and compare stack sizes on Begin()/End() to detect usage errors +// Begin() calls this with write=true +// End() calls this with write=false +static void ImGui::ErrorCheckBeginEndCompareStacksSize(ImGuiWindow* window, bool write) +{ + ImGuiContext& g = *GImGui; + short* p = &window->DC.StackSizesBackup[0]; + + // Window stacks + // NOT checking: DC.ItemWidth, DC.AllowKeyboardFocus, DC.ButtonRepeat, DC.TextWrapPos (per window) to allow user to conveniently push once and not pop (they are cleared on Begin) + { int n = window->IDStack.Size; if (write) *p = (short)n; else IM_ASSERT(*p == n && "PushID/PopID or TreeNode/TreePop Mismatch!"); p++; } // Too few or too many PopID()/TreePop() + { int n = window->DC.GroupStack.Size; if (write) *p = (short)n; else IM_ASSERT(*p == n && "BeginGroup/EndGroup Mismatch!"); p++; } // Too few or too many EndGroup() + + // Global stacks + // For color, style and font stacks there is an incentive to use Push/Begin/Pop/.../End patterns, so we relax our checks a little to allow them. + { int n = g.BeginPopupStack.Size; if (write) *p = (short)n; else IM_ASSERT(*p == n && "BeginMenu/EndMenu or BeginPopup/EndPopup Mismatch!"); p++; }// Too few or too many EndMenu()/EndPopup() + { int n = g.ColorModifiers.Size; if (write) *p = (short)n; else IM_ASSERT(*p >= n && "PushStyleColor/PopStyleColor Mismatch!"); p++; } // Too few or too many PopStyleColor() + { int n = g.StyleModifiers.Size; if (write) *p = (short)n; else IM_ASSERT(*p >= n && "PushStyleVar/PopStyleVar Mismatch!"); p++; } // Too few or too many PopStyleVar() + { int n = g.FontStack.Size; if (write) *p = (short)n; else IM_ASSERT(*p >= n && "PushFont/PopFont Mismatch!"); p++; } // Too few or too many PopFont() + IM_ASSERT(p == window->DC.StackSizesBackup + IM_ARRAYSIZE(window->DC.StackSizesBackup)); +} + + +//----------------------------------------------------------------------------- +// [SECTION] LAYOUT +//----------------------------------------------------------------------------- +// - ItemSize() +// - ItemAdd() +// - SameLine() +// - GetCursorScreenPos() +// - SetCursorScreenPos() +// - GetCursorPos(), GetCursorPosX(), GetCursorPosY() +// - SetCursorPos(), SetCursorPosX(), SetCursorPosY() +// - GetCursorStartPos() +// - Indent() +// - Unindent() +// - SetNextItemWidth() +// - PushItemWidth() +// - PushMultiItemsWidths() +// - PopItemWidth() +// - CalcItemWidth() +// - CalcItemSize() +// - GetTextLineHeight() +// - GetTextLineHeightWithSpacing() +// - GetFrameHeight() +// - GetFrameHeightWithSpacing() +// - GetContentRegionMax() +// - GetContentRegionMaxAbs() [Internal] +// - GetContentRegionAvail(), +// - GetWindowContentRegionMin(), GetWindowContentRegionMax() +// - GetWindowContentRegionWidth() +// - BeginGroup() +// - EndGroup() +// Also see in imgui_widgets: tab bars, columns. +//----------------------------------------------------------------------------- + +// Advance cursor given item size for layout. +void ImGui::ItemSize(const ImVec2& size, float text_baseline_y) +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + if (window->SkipItems) + return; + + // We increase the height in this function to accommodate for baseline offset. + // In theory we should be offsetting the starting position (window->DC.CursorPos), that will be the topic of a larger refactor, + // but since ItemSize() is not yet an API that moves the cursor (to handle e.g. wrapping) enlarging the height has the same effect. + const float offset_to_match_baseline_y = (text_baseline_y >= 0) ? ImMax(0.0f, window->DC.CurrLineTextBaseOffset - text_baseline_y) : 0.0f; + const float line_height = ImMax(window->DC.CurrLineSize.y, size.y + offset_to_match_baseline_y); + + // Always align ourselves on pixel boundaries + //if (g.IO.KeyAlt) window->DrawList->AddRect(window->DC.CursorPos, window->DC.CursorPos + ImVec2(size.x, line_height), IM_COL32(255,0,0,200)); // [DEBUG] + window->DC.CursorPosPrevLine.x = window->DC.CursorPos.x + size.x; + window->DC.CursorPosPrevLine.y = window->DC.CursorPos.y; + window->DC.CursorPos.x = IM_FLOOR(window->Pos.x + window->DC.Indent.x + window->DC.ColumnsOffset.x); // Next line + window->DC.CursorPos.y = IM_FLOOR(window->DC.CursorPos.y + line_height + g.Style.ItemSpacing.y); // Next line + window->DC.CursorMaxPos.x = ImMax(window->DC.CursorMaxPos.x, window->DC.CursorPosPrevLine.x); + window->DC.CursorMaxPos.y = ImMax(window->DC.CursorMaxPos.y, window->DC.CursorPos.y - g.Style.ItemSpacing.y); + //if (g.IO.KeyAlt) window->DrawList->AddCircle(window->DC.CursorMaxPos, 3.0f, IM_COL32(255,0,0,255), 4); // [DEBUG] + + window->DC.PrevLineSize.y = line_height; + window->DC.CurrLineSize.y = 0.0f; + window->DC.PrevLineTextBaseOffset = ImMax(window->DC.CurrLineTextBaseOffset, text_baseline_y); + window->DC.CurrLineTextBaseOffset = 0.0f; + + // Horizontal layout mode + if (window->DC.LayoutType == ImGuiLayoutType_Horizontal) + SameLine(); +} + +void ImGui::ItemSize(const ImRect& bb, float text_baseline_y) +{ + ItemSize(bb.GetSize(), text_baseline_y); +} + +// Declare item bounding box for clipping and interaction. +// Note that the size can be different than the one provided to ItemSize(). Typically, widgets that spread over available surface +// declare their minimum size requirement to ItemSize() and then use a larger region for drawing/interaction, which is passed to ItemAdd(). +bool ImGui::ItemAdd(const ImRect& bb, ImGuiID id, const ImRect* nav_bb_arg) +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + + if (id != 0) + { + // Navigation processing runs prior to clipping early-out + // (a) So that NavInitRequest can be honored, for newly opened windows to select a default widget + // (b) So that we can scroll up/down past clipped items. This adds a small O(N) cost to regular navigation requests + // unfortunately, but it is still limited to one window. It may not scale very well for windows with ten of + // thousands of item, but at least NavMoveRequest is only set on user interaction, aka maximum once a frame. + // We could early out with "if (is_clipped && !g.NavInitRequest) return false;" but when we wouldn't be able + // to reach unclipped widgets. This would work if user had explicit scrolling control (e.g. mapped on a stick). + // We intentionally don't check if g.NavWindow != NULL because g.NavAnyRequest should only be set when it is non null. + // If we crash on a NULL g.NavWindow we need to fix the bug elsewhere. + window->DC.NavLayerActiveMaskNext |= window->DC.NavLayerCurrentMask; + if (g.NavId == id || g.NavAnyRequest) + if (g.NavWindow->RootWindowForNav == window->RootWindowForNav) + if (window == g.NavWindow || ((window->Flags | g.NavWindow->Flags) & ImGuiWindowFlags_NavFlattened)) + NavProcessItem(window, nav_bb_arg ? *nav_bb_arg : bb, id); + + // [DEBUG] Item Picker tool, when enabling the "extended" version we perform the check in ItemAdd() +#ifdef IMGUI_DEBUG_TOOL_ITEM_PICKER_EX + if (id == g.DebugItemPickerBreakId) + { + IM_DEBUG_BREAK(); + g.DebugItemPickerBreakId = 0; + } +#endif + } + + window->DC.LastItemId = id; + window->DC.LastItemRect = bb; + window->DC.LastItemStatusFlags = ImGuiItemStatusFlags_None; + g.NextItemData.Flags = ImGuiNextItemDataFlags_None; + +#ifdef IMGUI_ENABLE_TEST_ENGINE + if (id != 0) + IMGUI_TEST_ENGINE_ITEM_ADD(nav_bb_arg ? *nav_bb_arg : bb, id); +#endif + + // Clipping test + const bool is_clipped = IsClippedEx(bb, id, false); + if (is_clipped) + return false; + //if (g.IO.KeyAlt) window->DrawList->AddRect(bb.Min, bb.Max, IM_COL32(255,255,0,120)); // [DEBUG] + + // We need to calculate this now to take account of the current clipping rectangle (as items like Selectable may change them) + if (IsMouseHoveringRect(bb.Min, bb.Max)) + window->DC.LastItemStatusFlags |= ImGuiItemStatusFlags_HoveredRect; + return true; +} + +// Gets back to previous line and continue with horizontal layout +// offset_from_start_x == 0 : follow right after previous item +// offset_from_start_x != 0 : align to specified x position (relative to window/group left) +// spacing_w < 0 : use default spacing if pos_x == 0, no spacing if pos_x != 0 +// spacing_w >= 0 : enforce spacing amount +void ImGui::SameLine(float offset_from_start_x, float spacing_w) +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return; + + ImGuiContext& g = *GImGui; + if (offset_from_start_x != 0.0f) + { + if (spacing_w < 0.0f) spacing_w = 0.0f; + window->DC.CursorPos.x = window->Pos.x - window->Scroll.x + offset_from_start_x + spacing_w + window->DC.GroupOffset.x + window->DC.ColumnsOffset.x; + window->DC.CursorPos.y = window->DC.CursorPosPrevLine.y; + } + else + { + if (spacing_w < 0.0f) spacing_w = g.Style.ItemSpacing.x; + window->DC.CursorPos.x = window->DC.CursorPosPrevLine.x + spacing_w; + window->DC.CursorPos.y = window->DC.CursorPosPrevLine.y; + } + window->DC.CurrLineSize = window->DC.PrevLineSize; + window->DC.CurrLineTextBaseOffset = window->DC.PrevLineTextBaseOffset; +} + +ImVec2 ImGui::GetCursorScreenPos() +{ + ImGuiWindow* window = GetCurrentWindowRead(); + return window->DC.CursorPos; +} + +void ImGui::SetCursorScreenPos(const ImVec2& pos) +{ + ImGuiWindow* window = GetCurrentWindow(); + window->DC.CursorPos = pos; + window->DC.CursorMaxPos = ImMax(window->DC.CursorMaxPos, window->DC.CursorPos); +} + +// User generally sees positions in window coordinates. Internally we store CursorPos in absolute screen coordinates because it is more convenient. +// Conversion happens as we pass the value to user, but it makes our naming convention confusing because GetCursorPos() == (DC.CursorPos - window.Pos). May want to rename 'DC.CursorPos'. +ImVec2 ImGui::GetCursorPos() +{ + ImGuiWindow* window = GetCurrentWindowRead(); + return window->DC.CursorPos - window->Pos + window->Scroll; +} + +float ImGui::GetCursorPosX() +{ + ImGuiWindow* window = GetCurrentWindowRead(); + return window->DC.CursorPos.x - window->Pos.x + window->Scroll.x; +} + +float ImGui::GetCursorPosY() +{ + ImGuiWindow* window = GetCurrentWindowRead(); + return window->DC.CursorPos.y - window->Pos.y + window->Scroll.y; +} + +void ImGui::SetCursorPos(const ImVec2& local_pos) +{ + ImGuiWindow* window = GetCurrentWindow(); + window->DC.CursorPos = window->Pos - window->Scroll + local_pos; + window->DC.CursorMaxPos = ImMax(window->DC.CursorMaxPos, window->DC.CursorPos); +} + +void ImGui::SetCursorPosX(float x) +{ + ImGuiWindow* window = GetCurrentWindow(); + window->DC.CursorPos.x = window->Pos.x - window->Scroll.x + x; + window->DC.CursorMaxPos.x = ImMax(window->DC.CursorMaxPos.x, window->DC.CursorPos.x); +} + +void ImGui::SetCursorPosY(float y) +{ + ImGuiWindow* window = GetCurrentWindow(); + window->DC.CursorPos.y = window->Pos.y - window->Scroll.y + y; + window->DC.CursorMaxPos.y = ImMax(window->DC.CursorMaxPos.y, window->DC.CursorPos.y); +} + +ImVec2 ImGui::GetCursorStartPos() +{ + ImGuiWindow* window = GetCurrentWindowRead(); + return window->DC.CursorStartPos - window->Pos; +} + +void ImGui::Indent(float indent_w) +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = GetCurrentWindow(); + window->DC.Indent.x += (indent_w != 0.0f) ? indent_w : g.Style.IndentSpacing; + window->DC.CursorPos.x = window->Pos.x + window->DC.Indent.x + window->DC.ColumnsOffset.x; +} + +void ImGui::Unindent(float indent_w) +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = GetCurrentWindow(); + window->DC.Indent.x -= (indent_w != 0.0f) ? indent_w : g.Style.IndentSpacing; + window->DC.CursorPos.x = window->Pos.x + window->DC.Indent.x + window->DC.ColumnsOffset.x; +} + +// Affect large frame+labels widgets only. +void ImGui::SetNextItemWidth(float item_width) +{ + ImGuiContext& g = *GImGui; + g.NextItemData.Flags |= ImGuiNextItemDataFlags_HasWidth; + g.NextItemData.Width = item_width; +} + +void ImGui::PushItemWidth(float item_width) +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + window->DC.ItemWidth = (item_width == 0.0f ? window->ItemWidthDefault : item_width); + window->DC.ItemWidthStack.push_back(window->DC.ItemWidth); + g.NextItemData.Flags &= ~ImGuiNextItemDataFlags_HasWidth; +} + +void ImGui::PushMultiItemsWidths(int components, float w_full) +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + const ImGuiStyle& style = g.Style; + const float w_item_one = ImMax(1.0f, IM_FLOOR((w_full - (style.ItemInnerSpacing.x) * (components-1)) / (float)components)); + const float w_item_last = ImMax(1.0f, IM_FLOOR(w_full - (w_item_one + style.ItemInnerSpacing.x) * (components-1))); + window->DC.ItemWidthStack.push_back(w_item_last); + for (int i = 0; i < components-1; i++) + window->DC.ItemWidthStack.push_back(w_item_one); + window->DC.ItemWidth = window->DC.ItemWidthStack.back(); + g.NextItemData.Flags &= ~ImGuiNextItemDataFlags_HasWidth; +} + +void ImGui::PopItemWidth() +{ + ImGuiWindow* window = GetCurrentWindow(); + window->DC.ItemWidthStack.pop_back(); + window->DC.ItemWidth = window->DC.ItemWidthStack.empty() ? window->ItemWidthDefault : window->DC.ItemWidthStack.back(); +} + +// Calculate default item width given value passed to PushItemWidth() or SetNextItemWidth(). +// The SetNextItemWidth() data is generally cleared/consumed by ItemAdd() or NextItemData.ClearFlags() +float ImGui::CalcItemWidth() +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + float w; + if (g.NextItemData.Flags & ImGuiNextItemDataFlags_HasWidth) + w = g.NextItemData.Width; + else + w = window->DC.ItemWidth; + if (w < 0.0f) + { + float region_max_x = GetContentRegionMaxAbs().x; + w = ImMax(1.0f, region_max_x - window->DC.CursorPos.x + w); + } + w = IM_FLOOR(w); + return w; +} + +// [Internal] Calculate full item size given user provided 'size' parameter and default width/height. Default width is often == CalcItemWidth(). +// Those two functions CalcItemWidth vs CalcItemSize are awkwardly named because they are not fully symmetrical. +// Note that only CalcItemWidth() is publicly exposed. +// The 4.0f here may be changed to match CalcItemWidth() and/or BeginChild() (right now we have a mismatch which is harmless but undesirable) +ImVec2 ImGui::CalcItemSize(ImVec2 size, float default_w, float default_h) +{ + ImGuiWindow* window = GImGui->CurrentWindow; + + ImVec2 region_max; + if (size.x < 0.0f || size.y < 0.0f) + region_max = GetContentRegionMaxAbs(); + + if (size.x == 0.0f) + size.x = default_w; + else if (size.x < 0.0f) + size.x = ImMax(4.0f, region_max.x - window->DC.CursorPos.x + size.x); + + if (size.y == 0.0f) + size.y = default_h; + else if (size.y < 0.0f) + size.y = ImMax(4.0f, region_max.y - window->DC.CursorPos.y + size.y); + + return size; +} + +float ImGui::GetTextLineHeight() +{ + ImGuiContext& g = *GImGui; + return g.FontSize; +} + +float ImGui::GetTextLineHeightWithSpacing() +{ + ImGuiContext& g = *GImGui; + return g.FontSize + g.Style.ItemSpacing.y; +} + +float ImGui::GetFrameHeight() +{ + ImGuiContext& g = *GImGui; + return g.FontSize + g.Style.FramePadding.y * 2.0f; +} + +float ImGui::GetFrameHeightWithSpacing() +{ + ImGuiContext& g = *GImGui; + return g.FontSize + g.Style.FramePadding.y * 2.0f + g.Style.ItemSpacing.y; +} + +// FIXME: All the Contents Region function are messy or misleading. WE WILL AIM TO OBSOLETE ALL OF THEM WITH A NEW "WORK RECT" API. Thanks for your patience! + +// FIXME: This is in window space (not screen space!). +ImVec2 ImGui::GetContentRegionMax() +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + ImVec2 mx = window->ContentRegionRect.Max - window->Pos; + if (window->DC.CurrentColumns) + mx.x = window->WorkRect.Max.x - window->Pos.x; + return mx; +} + +// [Internal] Absolute coordinate. Saner. This is not exposed until we finishing refactoring work rect features. +ImVec2 ImGui::GetContentRegionMaxAbs() +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + ImVec2 mx = window->ContentRegionRect.Max; + if (window->DC.CurrentColumns) + mx.x = window->WorkRect.Max.x; + return mx; +} + +ImVec2 ImGui::GetContentRegionAvail() +{ + ImGuiWindow* window = GImGui->CurrentWindow; + return GetContentRegionMaxAbs() - window->DC.CursorPos; +} + +// In window space (not screen space!) +ImVec2 ImGui::GetWindowContentRegionMin() +{ + ImGuiWindow* window = GImGui->CurrentWindow; + return window->ContentRegionRect.Min - window->Pos; +} + +ImVec2 ImGui::GetWindowContentRegionMax() +{ + ImGuiWindow* window = GImGui->CurrentWindow; + return window->ContentRegionRect.Max - window->Pos; +} + +float ImGui::GetWindowContentRegionWidth() +{ + ImGuiWindow* window = GImGui->CurrentWindow; + return window->ContentRegionRect.GetWidth(); +} + +// Lock horizontal starting position + capture group bounding box into one "item" (so you can use IsItemHovered() or layout primitives such as SameLine() on whole group, etc.) +void ImGui::BeginGroup() +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = GetCurrentWindow(); + + window->DC.GroupStack.resize(window->DC.GroupStack.Size + 1); + ImGuiGroupData& group_data = window->DC.GroupStack.back(); + group_data.BackupCursorPos = window->DC.CursorPos; + group_data.BackupCursorMaxPos = window->DC.CursorMaxPos; + group_data.BackupIndent = window->DC.Indent; + group_data.BackupGroupOffset = window->DC.GroupOffset; + group_data.BackupCurrLineSize = window->DC.CurrLineSize; + group_data.BackupCurrLineTextBaseOffset = window->DC.CurrLineTextBaseOffset; + group_data.BackupActiveIdIsAlive = g.ActiveIdIsAlive; + group_data.BackupActiveIdPreviousFrameIsAlive = g.ActiveIdPreviousFrameIsAlive; + group_data.EmitItem = true; + + window->DC.GroupOffset.x = window->DC.CursorPos.x - window->Pos.x - window->DC.ColumnsOffset.x; + window->DC.Indent = window->DC.GroupOffset; + window->DC.CursorMaxPos = window->DC.CursorPos; + window->DC.CurrLineSize = ImVec2(0.0f, 0.0f); + if (g.LogEnabled) + g.LogLinePosY = -FLT_MAX; // To enforce Log carriage return +} + +void ImGui::EndGroup() +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = GetCurrentWindow(); + IM_ASSERT(!window->DC.GroupStack.empty()); // Mismatched BeginGroup()/EndGroup() calls + + ImGuiGroupData& group_data = window->DC.GroupStack.back(); + + ImRect group_bb(group_data.BackupCursorPos, ImMax(window->DC.CursorMaxPos, group_data.BackupCursorPos)); + + window->DC.CursorPos = group_data.BackupCursorPos; + window->DC.CursorMaxPos = ImMax(group_data.BackupCursorMaxPos, window->DC.CursorMaxPos); + window->DC.Indent = group_data.BackupIndent; + window->DC.GroupOffset = group_data.BackupGroupOffset; + window->DC.CurrLineSize = group_data.BackupCurrLineSize; + window->DC.CurrLineTextBaseOffset = group_data.BackupCurrLineTextBaseOffset; + if (g.LogEnabled) + g.LogLinePosY = -FLT_MAX; // To enforce Log carriage return + + if (!group_data.EmitItem) + { + window->DC.GroupStack.pop_back(); + return; + } + + window->DC.CurrLineTextBaseOffset = ImMax(window->DC.PrevLineTextBaseOffset, group_data.BackupCurrLineTextBaseOffset); // FIXME: Incorrect, we should grab the base offset from the *first line* of the group but it is hard to obtain now. + ItemSize(group_bb.GetSize()); + ItemAdd(group_bb, 0); + + // If the current ActiveId was declared within the boundary of our group, we copy it to LastItemId so IsItemActive(), IsItemDeactivated() etc. will be functional on the entire group. + // It would be be neater if we replaced window.DC.LastItemId by e.g. 'bool LastItemIsActive', but would put a little more burden on individual widgets. + // Also if you grep for LastItemId you'll notice it is only used in that context. + // (The tests not symmetrical because ActiveIdIsAlive is an ID itself, in order to be able to handle ActiveId being overwritten during the frame.) + const bool group_contains_curr_active_id = (group_data.BackupActiveIdIsAlive != g.ActiveId) && (g.ActiveIdIsAlive == g.ActiveId) && g.ActiveId; + const bool group_contains_prev_active_id = !group_data.BackupActiveIdPreviousFrameIsAlive && g.ActiveIdPreviousFrameIsAlive; + if (group_contains_curr_active_id) + window->DC.LastItemId = g.ActiveId; + else if (group_contains_prev_active_id) + window->DC.LastItemId = g.ActiveIdPreviousFrame; + window->DC.LastItemRect = group_bb; + + // Forward Edited flag + if (group_contains_curr_active_id && g.ActiveIdHasBeenEditedThisFrame) + window->DC.LastItemStatusFlags |= ImGuiItemStatusFlags_Edited; + + // Forward Deactivated flag + window->DC.LastItemStatusFlags |= ImGuiItemStatusFlags_HasDeactivated; + if (group_contains_prev_active_id && g.ActiveId != g.ActiveIdPreviousFrame) + window->DC.LastItemStatusFlags |= ImGuiItemStatusFlags_Deactivated; + + window->DC.GroupStack.pop_back(); + //window->DrawList->AddRect(group_bb.Min, group_bb.Max, IM_COL32(255,0,255,255)); // [Debug] +} + + +//----------------------------------------------------------------------------- +// [SECTION] SCROLLING +//----------------------------------------------------------------------------- + +static ImVec2 CalcNextScrollFromScrollTargetAndClamp(ImGuiWindow* window, bool snap_on_edges) +{ + ImGuiContext& g = *GImGui; + ImVec2 scroll = window->Scroll; + if (window->ScrollTarget.x < FLT_MAX) + { + float cr_x = window->ScrollTargetCenterRatio.x; + float target_x = window->ScrollTarget.x; + if (snap_on_edges && cr_x <= 0.0f && target_x <= window->WindowPadding.x) + target_x = 0.0f; + else if (snap_on_edges && cr_x >= 1.0f && target_x >= window->ContentSize.x + window->WindowPadding.x + g.Style.ItemSpacing.x) + target_x = window->ContentSize.x + window->WindowPadding.x * 2.0f; + scroll.x = target_x - cr_x * (window->SizeFull.x - window->ScrollbarSizes.x); + } + if (window->ScrollTarget.y < FLT_MAX) + { + // 'snap_on_edges' allows for a discontinuity at the edge of scrolling limits to take account of WindowPadding so that scrolling to make the last item visible scroll far enough to see the padding. + float decoration_up_height = window->TitleBarHeight() + window->MenuBarHeight(); + float cr_y = window->ScrollTargetCenterRatio.y; + float target_y = window->ScrollTarget.y; + if (snap_on_edges && cr_y <= 0.0f && target_y <= window->WindowPadding.y) + target_y = 0.0f; + if (snap_on_edges && cr_y >= 1.0f && target_y >= window->ContentSize.y + window->WindowPadding.y + g.Style.ItemSpacing.y) + target_y = window->ContentSize.y + window->WindowPadding.y * 2.0f; + scroll.y = target_y - cr_y * (window->SizeFull.y - window->ScrollbarSizes.y - decoration_up_height); + } + scroll = ImMax(scroll, ImVec2(0.0f, 0.0f)); + if (!window->Collapsed && !window->SkipItems) + { + scroll.x = ImMin(scroll.x, window->ScrollMax.x); + scroll.y = ImMin(scroll.y, window->ScrollMax.y); + } + return scroll; +} + +// Scroll to keep newly navigated item fully into view +ImVec2 ImGui::ScrollToBringRectIntoView(ImGuiWindow* window, const ImRect& item_rect) +{ + ImGuiContext& g = *GImGui; + ImRect window_rect(window->InnerRect.Min - ImVec2(1, 1), window->InnerRect.Max + ImVec2(1, 1)); + //GetForegroundDrawList(window)->AddRect(window_rect.Min, window_rect.Max, IM_COL32_WHITE); // [DEBUG] + + ImVec2 delta_scroll; + if (!window_rect.Contains(item_rect)) + { + if (window->ScrollbarX && item_rect.Min.x < window_rect.Min.x) + SetScrollFromPosX(window, item_rect.Min.x - window->Pos.x + g.Style.ItemSpacing.x, 0.0f); + else if (window->ScrollbarX && item_rect.Max.x >= window_rect.Max.x) + SetScrollFromPosX(window, item_rect.Max.x - window->Pos.x + g.Style.ItemSpacing.x, 1.0f); + if (item_rect.Min.y < window_rect.Min.y) + SetScrollFromPosY(window, item_rect.Min.y - window->Pos.y - g.Style.ItemSpacing.y, 0.0f); + else if (item_rect.Max.y >= window_rect.Max.y) + SetScrollFromPosY(window, item_rect.Max.y - window->Pos.y + g.Style.ItemSpacing.y, 1.0f); + + ImVec2 next_scroll = CalcNextScrollFromScrollTargetAndClamp(window, false); + delta_scroll = next_scroll - window->Scroll; + } + + // Also scroll parent window to keep us into view if necessary + if (window->Flags & ImGuiWindowFlags_ChildWindow) + delta_scroll += ScrollToBringRectIntoView(window->ParentWindow, ImRect(item_rect.Min - delta_scroll, item_rect.Max - delta_scroll)); + + return delta_scroll; +} + +float ImGui::GetScrollX() +{ + ImGuiWindow* window = GImGui->CurrentWindow; + return window->Scroll.x; +} + +float ImGui::GetScrollY() +{ + ImGuiWindow* window = GImGui->CurrentWindow; + return window->Scroll.y; +} + +float ImGui::GetScrollMaxX() +{ + ImGuiWindow* window = GImGui->CurrentWindow; + return window->ScrollMax.x; +} + +float ImGui::GetScrollMaxY() +{ + ImGuiWindow* window = GImGui->CurrentWindow; + return window->ScrollMax.y; +} + +void ImGui::SetScrollX(float scroll_x) +{ + ImGuiWindow* window = GetCurrentWindow(); + window->ScrollTarget.x = scroll_x; + window->ScrollTargetCenterRatio.x = 0.0f; +} + +void ImGui::SetScrollY(float scroll_y) +{ + ImGuiWindow* window = GetCurrentWindow(); + window->ScrollTarget.y = scroll_y; + window->ScrollTargetCenterRatio.y = 0.0f; +} + +void ImGui::SetScrollX(ImGuiWindow* window, float new_scroll_x) +{ + window->ScrollTarget.x = new_scroll_x; + window->ScrollTargetCenterRatio.x = 0.0f; +} + +void ImGui::SetScrollY(ImGuiWindow* window, float new_scroll_y) +{ + window->ScrollTarget.y = new_scroll_y; + window->ScrollTargetCenterRatio.y = 0.0f; +} + + +void ImGui::SetScrollFromPosX(ImGuiWindow* window, float local_x, float center_x_ratio) +{ + // We store a target position so centering can occur on the next frame when we are guaranteed to have a known window size + IM_ASSERT(center_x_ratio >= 0.0f && center_x_ratio <= 1.0f); + window->ScrollTarget.x = IM_FLOOR(local_x + window->Scroll.x); + window->ScrollTargetCenterRatio.x = center_x_ratio; +} + +void ImGui::SetScrollFromPosY(ImGuiWindow* window, float local_y, float center_y_ratio) +{ + // We store a target position so centering can occur on the next frame when we are guaranteed to have a known window size + IM_ASSERT(center_y_ratio >= 0.0f && center_y_ratio <= 1.0f); + const float decoration_up_height = window->TitleBarHeight() + window->MenuBarHeight(); + local_y -= decoration_up_height; + window->ScrollTarget.y = IM_FLOOR(local_y + window->Scroll.y); + window->ScrollTargetCenterRatio.y = center_y_ratio; +} + +void ImGui::SetScrollFromPosX(float local_x, float center_x_ratio) +{ + ImGuiContext& g = *GImGui; + SetScrollFromPosX(g.CurrentWindow, local_x, center_x_ratio); +} + +void ImGui::SetScrollFromPosY(float local_y, float center_y_ratio) +{ + ImGuiContext& g = *GImGui; + SetScrollFromPosY(g.CurrentWindow, local_y, center_y_ratio); +} + +// center_x_ratio: 0.0f left of last item, 0.5f horizontal center of last item, 1.0f right of last item. +void ImGui::SetScrollHereX(float center_x_ratio) +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + float target_x = window->DC.LastItemRect.Min.x - window->Pos.x; // Left of last item, in window space + float last_item_width = window->DC.LastItemRect.GetWidth(); + target_x += (last_item_width * center_x_ratio) + (g.Style.ItemSpacing.x * (center_x_ratio - 0.5f) * 2.0f); // Precisely aim before, in the middle or after the last item. + SetScrollFromPosX(target_x, center_x_ratio); +} + +// center_y_ratio: 0.0f top of last item, 0.5f vertical center of last item, 1.0f bottom of last item. +void ImGui::SetScrollHereY(float center_y_ratio) +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + float target_y = window->DC.CursorPosPrevLine.y - window->Pos.y; // Top of last item, in window space + target_y += (window->DC.PrevLineSize.y * center_y_ratio) + (g.Style.ItemSpacing.y * (center_y_ratio - 0.5f) * 2.0f); // Precisely aim above, in the middle or below the last line. + SetScrollFromPosY(target_y, center_y_ratio); +} + +//----------------------------------------------------------------------------- +// [SECTION] TOOLTIPS +//----------------------------------------------------------------------------- + +void ImGui::BeginTooltip() +{ + BeginTooltipEx(ImGuiWindowFlags_None, ImGuiTooltipFlags_None); +} + +void ImGui::BeginTooltipEx(ImGuiWindowFlags extra_flags, ImGuiTooltipFlags tooltip_flags) +{ + ImGuiContext& g = *GImGui; + + if (g.DragDropWithinSource || g.DragDropWithinTarget) + { + // The default tooltip position is a little offset to give space to see the context menu (it's also clamped within the current viewport/monitor) + // In the context of a dragging tooltip we try to reduce that offset and we enforce following the cursor. + // Whatever we do we want to call SetNextWindowPos() to enforce a tooltip position and disable clipping the tooltip without our display area, like regular tooltip do. + //ImVec2 tooltip_pos = g.IO.MousePos - g.ActiveIdClickOffset - g.Style.WindowPadding; + ImVec2 tooltip_pos = g.IO.MousePos + ImVec2(16 * g.Style.MouseCursorScale, 8 * g.Style.MouseCursorScale); + SetNextWindowPos(tooltip_pos); + SetNextWindowBgAlpha(g.Style.Colors[ImGuiCol_PopupBg].w * 0.60f); + //PushStyleVar(ImGuiStyleVar_Alpha, g.Style.Alpha * 0.60f); // This would be nice but e.g ColorButton with checkboard has issue with transparent colors :( + tooltip_flags |= ImGuiTooltipFlags_OverridePreviousTooltip; + } + + char window_name[16]; + ImFormatString(window_name, IM_ARRAYSIZE(window_name), "##Tooltip_%02d", g.TooltipOverrideCount); + if (tooltip_flags & ImGuiTooltipFlags_OverridePreviousTooltip) + if (ImGuiWindow* window = FindWindowByName(window_name)) + if (window->Active) + { + // Hide previous tooltip from being displayed. We can't easily "reset" the content of a window so we create a new one. + window->Hidden = true; + window->HiddenFramesCanSkipItems = 1; + ImFormatString(window_name, IM_ARRAYSIZE(window_name), "##Tooltip_%02d", ++g.TooltipOverrideCount); + } + ImGuiWindowFlags flags = ImGuiWindowFlags_Tooltip|ImGuiWindowFlags_NoInputs|ImGuiWindowFlags_NoTitleBar|ImGuiWindowFlags_NoMove|ImGuiWindowFlags_NoResize|ImGuiWindowFlags_NoSavedSettings|ImGuiWindowFlags_AlwaysAutoResize; + Begin(window_name, NULL, flags | extra_flags); +} + +void ImGui::EndTooltip() +{ + IM_ASSERT(GetCurrentWindowRead()->Flags & ImGuiWindowFlags_Tooltip); // Mismatched BeginTooltip()/EndTooltip() calls + End(); +} + +void ImGui::SetTooltipV(const char* fmt, va_list args) +{ + BeginTooltipEx(0, ImGuiTooltipFlags_OverridePreviousTooltip); + TextV(fmt, args); + EndTooltip(); +} + +void ImGui::SetTooltip(const char* fmt, ...) +{ + va_list args; + va_start(args, fmt); + SetTooltipV(fmt, args); + va_end(args); +} + +//----------------------------------------------------------------------------- +// [SECTION] POPUPS +//----------------------------------------------------------------------------- + +bool ImGui::IsPopupOpen(ImGuiID id) +{ + ImGuiContext& g = *GImGui; + return g.OpenPopupStack.Size > g.BeginPopupStack.Size && g.OpenPopupStack[g.BeginPopupStack.Size].PopupId == id; +} + +bool ImGui::IsPopupOpen(const char* str_id) +{ + ImGuiContext& g = *GImGui; + return g.OpenPopupStack.Size > g.BeginPopupStack.Size && g.OpenPopupStack[g.BeginPopupStack.Size].PopupId == g.CurrentWindow->GetID(str_id); +} + +ImGuiWindow* ImGui::GetTopMostPopupModal() +{ + ImGuiContext& g = *GImGui; + for (int n = g.OpenPopupStack.Size-1; n >= 0; n--) + if (ImGuiWindow* popup = g.OpenPopupStack.Data[n].Window) + if (popup->Flags & ImGuiWindowFlags_Modal) + return popup; + return NULL; +} + +void ImGui::OpenPopup(const char* str_id) +{ + ImGuiContext& g = *GImGui; + OpenPopupEx(g.CurrentWindow->GetID(str_id)); +} + +// Mark popup as open (toggle toward open state). +// Popups are closed when user click outside, or activate a pressable item, or CloseCurrentPopup() is called within a BeginPopup()/EndPopup() block. +// Popup identifiers are relative to the current ID-stack (so OpenPopup and BeginPopup needs to be at the same level). +// One open popup per level of the popup hierarchy (NB: when assigning we reset the Window member of ImGuiPopupRef to NULL) +void ImGui::OpenPopupEx(ImGuiID id) +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* parent_window = g.CurrentWindow; + int current_stack_size = g.BeginPopupStack.Size; + ImGuiPopupData popup_ref; // Tagged as new ref as Window will be set back to NULL if we write this into OpenPopupStack. + popup_ref.PopupId = id; + popup_ref.Window = NULL; + popup_ref.SourceWindow = g.NavWindow; + popup_ref.OpenFrameCount = g.FrameCount; + popup_ref.OpenParentId = parent_window->IDStack.back(); + popup_ref.OpenPopupPos = NavCalcPreferredRefPos(); + popup_ref.OpenMousePos = IsMousePosValid(&g.IO.MousePos) ? g.IO.MousePos : popup_ref.OpenPopupPos; + + //IMGUI_DEBUG_LOG("OpenPopupEx(0x%08X)\n", g.FrameCount, id); + if (g.OpenPopupStack.Size < current_stack_size + 1) + { + g.OpenPopupStack.push_back(popup_ref); + } + else + { + // Gently handle the user mistakenly calling OpenPopup() every frame. It is a programming mistake! However, if we were to run the regular code path, the ui + // would become completely unusable because the popup will always be in hidden-while-calculating-size state _while_ claiming focus. Which would be a very confusing + // situation for the programmer. Instead, we silently allow the popup to proceed, it will keep reappearing and the programming error will be more obvious to understand. + if (g.OpenPopupStack[current_stack_size].PopupId == id && g.OpenPopupStack[current_stack_size].OpenFrameCount == g.FrameCount - 1) + { + g.OpenPopupStack[current_stack_size].OpenFrameCount = popup_ref.OpenFrameCount; + } + else + { + // Close child popups if any, then flag popup for open/reopen + g.OpenPopupStack.resize(current_stack_size + 1); + g.OpenPopupStack[current_stack_size] = popup_ref; + } + + // When reopening a popup we first refocus its parent, otherwise if its parent is itself a popup it would get closed by ClosePopupsOverWindow(). + // This is equivalent to what ClosePopupToLevel() does. + //if (g.OpenPopupStack[current_stack_size].PopupId == id) + // FocusWindow(parent_window); + } +} + +void ImGui::ClosePopupsOverWindow(ImGuiWindow* ref_window, bool restore_focus_to_window_under_popup) +{ + ImGuiContext& g = *GImGui; + if (g.OpenPopupStack.empty()) + return; + + // When popups are stacked, clicking on a lower level popups puts focus back to it and close popups above it. + // Don't close our own child popup windows. + int popup_count_to_keep = 0; + if (ref_window) + { + // Find the highest popup which is a descendant of the reference window (generally reference window = NavWindow) + for (; popup_count_to_keep < g.OpenPopupStack.Size; popup_count_to_keep++) + { + ImGuiPopupData& popup = g.OpenPopupStack[popup_count_to_keep]; + if (!popup.Window) + continue; + IM_ASSERT((popup.Window->Flags & ImGuiWindowFlags_Popup) != 0); + if (popup.Window->Flags & ImGuiWindowFlags_ChildWindow) + continue; + + // Trim the stack when popups are not direct descendant of the reference window (the reference window is often the NavWindow) + bool popup_or_descendent_is_ref_window = false; + for (int m = popup_count_to_keep; m < g.OpenPopupStack.Size && !popup_or_descendent_is_ref_window; m++) + if (ImGuiWindow* popup_window = g.OpenPopupStack[m].Window) + if (popup_window->RootWindow == ref_window->RootWindow) + popup_or_descendent_is_ref_window = true; + if (!popup_or_descendent_is_ref_window) + break; + } + } + if (popup_count_to_keep < g.OpenPopupStack.Size) // This test is not required but it allows to set a convenient breakpoint on the statement below + { + //IMGUI_DEBUG_LOG("ClosePopupsOverWindow(%s) -> ClosePopupToLevel(%d)\n", ref_window->Name, popup_count_to_keep); + ClosePopupToLevel(popup_count_to_keep, restore_focus_to_window_under_popup); + } +} + +void ImGui::ClosePopupToLevel(int remaining, bool restore_focus_to_window_under_popup) +{ + ImGuiContext& g = *GImGui; + IM_ASSERT(remaining >= 0 && remaining < g.OpenPopupStack.Size); + ImGuiWindow* focus_window = g.OpenPopupStack[remaining].SourceWindow; + ImGuiWindow* popup_window = g.OpenPopupStack[remaining].Window; + g.OpenPopupStack.resize(remaining); + + if (restore_focus_to_window_under_popup) + { + if (focus_window && !focus_window->WasActive && popup_window) + { + // Fallback + FocusTopMostWindowUnderOne(popup_window, NULL); + } + else + { + if (g.NavLayer == 0 && focus_window) + focus_window = NavRestoreLastChildNavWindow(focus_window); + FocusWindow(focus_window); + } + } +} + +// Close the popup we have begin-ed into. +void ImGui::CloseCurrentPopup() +{ + ImGuiContext& g = *GImGui; + int popup_idx = g.BeginPopupStack.Size - 1; + if (popup_idx < 0 || popup_idx >= g.OpenPopupStack.Size || g.BeginPopupStack[popup_idx].PopupId != g.OpenPopupStack[popup_idx].PopupId) + return; + + // Closing a menu closes its top-most parent popup (unless a modal) + while (popup_idx > 0) + { + ImGuiWindow* popup_window = g.OpenPopupStack[popup_idx].Window; + ImGuiWindow* parent_popup_window = g.OpenPopupStack[popup_idx - 1].Window; + bool close_parent = false; + if (popup_window && (popup_window->Flags & ImGuiWindowFlags_ChildMenu)) + if (parent_popup_window == NULL || !(parent_popup_window->Flags & ImGuiWindowFlags_Modal)) + close_parent = true; + if (!close_parent) + break; + popup_idx--; + } + //IMGUI_DEBUG_LOG("CloseCurrentPopup %d -> %d\n", g.BeginPopupStack.Size - 1, popup_idx); + ClosePopupToLevel(popup_idx, true); + + // A common pattern is to close a popup when selecting a menu item/selectable that will open another window. + // To improve this usage pattern, we avoid nav highlight for a single frame in the parent window. + // Similarly, we could avoid mouse hover highlight in this window but it is less visually problematic. + if (ImGuiWindow* window = g.NavWindow) + window->DC.NavHideHighlightOneFrame = true; +} + +bool ImGui::BeginPopupEx(ImGuiID id, ImGuiWindowFlags flags) +{ + ImGuiContext& g = *GImGui; + if (!IsPopupOpen(id)) + { + g.NextWindowData.ClearFlags(); // We behave like Begin() and need to consume those values + return false; + } + + char name[20]; + if (flags & ImGuiWindowFlags_ChildMenu) + ImFormatString(name, IM_ARRAYSIZE(name), "##Menu_%02d", g.BeginPopupStack.Size); // Recycle windows based on depth + else + ImFormatString(name, IM_ARRAYSIZE(name), "##Popup_%08x", id); // Not recycling, so we can close/open during the same frame + + flags |= ImGuiWindowFlags_Popup; + bool is_open = Begin(name, NULL, flags); + if (!is_open) // NB: Begin can return false when the popup is completely clipped (e.g. zero size display) + EndPopup(); + + return is_open; +} + +bool ImGui::BeginPopup(const char* str_id, ImGuiWindowFlags flags) +{ + ImGuiContext& g = *GImGui; + if (g.OpenPopupStack.Size <= g.BeginPopupStack.Size) // Early out for performance + { + g.NextWindowData.ClearFlags(); // We behave like Begin() and need to consume those values + return false; + } + flags |= ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoSavedSettings; + return BeginPopupEx(g.CurrentWindow->GetID(str_id), flags); +} + +// If 'p_open' is specified for a modal popup window, the popup will have a regular close button which will close the popup. +// Note that popup visibility status is owned by Dear ImGui (and manipulated with e.g. OpenPopup) so the actual value of *p_open is meaningless here. +bool ImGui::BeginPopupModal(const char* name, bool* p_open, ImGuiWindowFlags flags) +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + const ImGuiID id = window->GetID(name); + if (!IsPopupOpen(id)) + { + g.NextWindowData.ClearFlags(); // We behave like Begin() and need to consume those values + return false; + } + + // Center modal windows by default + // FIXME: Should test for (PosCond & window->SetWindowPosAllowFlags) with the upcoming window. + if ((g.NextWindowData.Flags & ImGuiNextWindowDataFlags_HasPos) == 0) + SetNextWindowPos(g.IO.DisplaySize * 0.5f, ImGuiCond_Appearing, ImVec2(0.5f, 0.5f)); + + flags |= ImGuiWindowFlags_Popup | ImGuiWindowFlags_Modal | ImGuiWindowFlags_NoCollapse | ImGuiWindowFlags_NoSavedSettings; + const bool is_open = Begin(name, p_open, flags); + if (!is_open || (p_open && !*p_open)) // NB: is_open can be 'false' when the popup is completely clipped (e.g. zero size display) + { + EndPopup(); + if (is_open) + ClosePopupToLevel(g.BeginPopupStack.Size, true); + return false; + } + return is_open; +} + +void ImGui::EndPopup() +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + IM_ASSERT(window->Flags & ImGuiWindowFlags_Popup); // Mismatched BeginPopup()/EndPopup() calls + IM_ASSERT(g.BeginPopupStack.Size > 0); + + // Make all menus and popups wrap around for now, may need to expose that policy. + NavMoveRequestTryWrapping(window, ImGuiNavMoveFlags_LoopY); + + // Child-popups don't need to be layed out + IM_ASSERT(g.WithinEndChild == false); + if (window->Flags & ImGuiWindowFlags_ChildWindow) + g.WithinEndChild = true; + End(); + g.WithinEndChild = false; +} + +bool ImGui::OpenPopupOnItemClick(const char* str_id, ImGuiMouseButton mouse_button) +{ + ImGuiWindow* window = GImGui->CurrentWindow; + if (IsMouseReleased(mouse_button) && IsItemHovered(ImGuiHoveredFlags_AllowWhenBlockedByPopup)) + { + ImGuiID id = str_id ? window->GetID(str_id) : window->DC.LastItemId; // If user hasn't passed an ID, we can use the LastItemID. Using LastItemID as a Popup ID won't conflict! + IM_ASSERT(id != 0); // You cannot pass a NULL str_id if the last item has no identifier (e.g. a Text() item) + OpenPopupEx(id); + return true; + } + return false; +} + +// This is a helper to handle the simplest case of associating one named popup to one given widget. +// You may want to handle this on user side if you have specific needs (e.g. tweaking IsItemHovered() parameters). +// You can pass a NULL str_id to use the identifier of the last item. +bool ImGui::BeginPopupContextItem(const char* str_id, ImGuiMouseButton mouse_button) +{ + ImGuiWindow* window = GImGui->CurrentWindow; + if (window->SkipItems) + return false; + ImGuiID id = str_id ? window->GetID(str_id) : window->DC.LastItemId; // If user hasn't passed an ID, we can use the LastItemID. Using LastItemID as a Popup ID won't conflict! + IM_ASSERT(id != 0); // You cannot pass a NULL str_id if the last item has no identifier (e.g. a Text() item) + if (IsMouseReleased(mouse_button) && IsItemHovered(ImGuiHoveredFlags_AllowWhenBlockedByPopup)) + OpenPopupEx(id); + return BeginPopupEx(id, ImGuiWindowFlags_AlwaysAutoResize|ImGuiWindowFlags_NoTitleBar|ImGuiWindowFlags_NoSavedSettings); +} + +bool ImGui::BeginPopupContextWindow(const char* str_id, ImGuiMouseButton mouse_button, bool also_over_items) +{ + if (!str_id) + str_id = "window_context"; + ImGuiID id = GImGui->CurrentWindow->GetID(str_id); + if (IsMouseReleased(mouse_button) && IsWindowHovered(ImGuiHoveredFlags_AllowWhenBlockedByPopup)) + if (also_over_items || !IsAnyItemHovered()) + OpenPopupEx(id); + return BeginPopupEx(id, ImGuiWindowFlags_AlwaysAutoResize|ImGuiWindowFlags_NoTitleBar|ImGuiWindowFlags_NoSavedSettings); +} + +bool ImGui::BeginPopupContextVoid(const char* str_id, ImGuiMouseButton mouse_button) +{ + if (!str_id) + str_id = "void_context"; + ImGuiID id = GImGui->CurrentWindow->GetID(str_id); + if (IsMouseReleased(mouse_button) && !IsWindowHovered(ImGuiHoveredFlags_AnyWindow)) + OpenPopupEx(id); + return BeginPopupEx(id, ImGuiWindowFlags_AlwaysAutoResize|ImGuiWindowFlags_NoTitleBar|ImGuiWindowFlags_NoSavedSettings); +} + +// r_avoid = the rectangle to avoid (e.g. for tooltip it is a rectangle around the mouse cursor which we want to avoid. for popups it's a small point around the cursor.) +// r_outer = the visible area rectangle, minus safe area padding. If our popup size won't fit because of safe area padding we ignore it. +ImVec2 ImGui::FindBestWindowPosForPopupEx(const ImVec2& ref_pos, const ImVec2& size, ImGuiDir* last_dir, const ImRect& r_outer, const ImRect& r_avoid, ImGuiPopupPositionPolicy policy) +{ + ImVec2 base_pos_clamped = ImClamp(ref_pos, r_outer.Min, r_outer.Max - size); + //GetForegroundDrawList()->AddRect(r_avoid.Min, r_avoid.Max, IM_COL32(255,0,0,255)); + //GetForegroundDrawList()->AddRect(r_outer.Min, r_outer.Max, IM_COL32(0,255,0,255)); + + // Combo Box policy (we want a connecting edge) + if (policy == ImGuiPopupPositionPolicy_ComboBox) + { + const ImGuiDir dir_prefered_order[ImGuiDir_COUNT] = { ImGuiDir_Down, ImGuiDir_Right, ImGuiDir_Left, ImGuiDir_Up }; + for (int n = (*last_dir != ImGuiDir_None) ? -1 : 0; n < ImGuiDir_COUNT; n++) + { + const ImGuiDir dir = (n == -1) ? *last_dir : dir_prefered_order[n]; + if (n != -1 && dir == *last_dir) // Already tried this direction? + continue; + ImVec2 pos; + if (dir == ImGuiDir_Down) pos = ImVec2(r_avoid.Min.x, r_avoid.Max.y); // Below, Toward Right (default) + if (dir == ImGuiDir_Right) pos = ImVec2(r_avoid.Min.x, r_avoid.Min.y - size.y); // Above, Toward Right + if (dir == ImGuiDir_Left) pos = ImVec2(r_avoid.Max.x - size.x, r_avoid.Max.y); // Below, Toward Left + if (dir == ImGuiDir_Up) pos = ImVec2(r_avoid.Max.x - size.x, r_avoid.Min.y - size.y); // Above, Toward Left + if (!r_outer.Contains(ImRect(pos, pos + size))) + continue; + *last_dir = dir; + return pos; + } + } + + // Default popup policy + const ImGuiDir dir_prefered_order[ImGuiDir_COUNT] = { ImGuiDir_Right, ImGuiDir_Down, ImGuiDir_Up, ImGuiDir_Left }; + for (int n = (*last_dir != ImGuiDir_None) ? -1 : 0; n < ImGuiDir_COUNT; n++) + { + const ImGuiDir dir = (n == -1) ? *last_dir : dir_prefered_order[n]; + if (n != -1 && dir == *last_dir) // Already tried this direction? + continue; + float avail_w = (dir == ImGuiDir_Left ? r_avoid.Min.x : r_outer.Max.x) - (dir == ImGuiDir_Right ? r_avoid.Max.x : r_outer.Min.x); + float avail_h = (dir == ImGuiDir_Up ? r_avoid.Min.y : r_outer.Max.y) - (dir == ImGuiDir_Down ? r_avoid.Max.y : r_outer.Min.y); + if (avail_w < size.x || avail_h < size.y) + continue; + ImVec2 pos; + pos.x = (dir == ImGuiDir_Left) ? r_avoid.Min.x - size.x : (dir == ImGuiDir_Right) ? r_avoid.Max.x : base_pos_clamped.x; + pos.y = (dir == ImGuiDir_Up) ? r_avoid.Min.y - size.y : (dir == ImGuiDir_Down) ? r_avoid.Max.y : base_pos_clamped.y; + *last_dir = dir; + return pos; + } + + // Fallback, try to keep within display + *last_dir = ImGuiDir_None; + ImVec2 pos = ref_pos; + pos.x = ImMax(ImMin(pos.x + size.x, r_outer.Max.x) - size.x, r_outer.Min.x); + pos.y = ImMax(ImMin(pos.y + size.y, r_outer.Max.y) - size.y, r_outer.Min.y); + return pos; +} + +ImRect ImGui::GetWindowAllowedExtentRect(ImGuiWindow* window) +{ + IM_UNUSED(window); + ImVec2 padding = GImGui->Style.DisplaySafeAreaPadding; + ImRect r_screen = GetViewportRect(); + r_screen.Expand(ImVec2((r_screen.GetWidth() > padding.x * 2) ? -padding.x : 0.0f, (r_screen.GetHeight() > padding.y * 2) ? -padding.y : 0.0f)); + return r_screen; +} + +ImVec2 ImGui::FindBestWindowPosForPopup(ImGuiWindow* window) +{ + ImGuiContext& g = *GImGui; + + ImRect r_outer = GetWindowAllowedExtentRect(window); + if (window->Flags & ImGuiWindowFlags_ChildMenu) + { + // Child menus typically request _any_ position within the parent menu item, and then we move the new menu outside the parent bounds. + // This is how we end up with child menus appearing (most-commonly) on the right of the parent menu. + IM_ASSERT(g.CurrentWindow == window); + ImGuiWindow* parent_window = g.CurrentWindowStack[g.CurrentWindowStack.Size - 2]; + float horizontal_overlap = g.Style.ItemInnerSpacing.x; // We want some overlap to convey the relative depth of each menu (currently the amount of overlap is hard-coded to style.ItemSpacing.x). + ImRect r_avoid; + if (parent_window->DC.MenuBarAppending) + r_avoid = ImRect(-FLT_MAX, parent_window->ClipRect.Min.y, FLT_MAX, parent_window->ClipRect.Max.y); // Avoid parent menu-bar. If we wanted multi-line menu-bar, we may instead want to have the calling window setup e.g. a NextWindowData.PosConstraintAvoidRect field + else + r_avoid = ImRect(parent_window->Pos.x + horizontal_overlap, -FLT_MAX, parent_window->Pos.x + parent_window->Size.x - horizontal_overlap - parent_window->ScrollbarSizes.x, FLT_MAX); + return FindBestWindowPosForPopupEx(window->Pos, window->Size, &window->AutoPosLastDirection, r_outer, r_avoid); + } + if (window->Flags & ImGuiWindowFlags_Popup) + { + ImRect r_avoid = ImRect(window->Pos.x - 1, window->Pos.y - 1, window->Pos.x + 1, window->Pos.y + 1); + return FindBestWindowPosForPopupEx(window->Pos, window->Size, &window->AutoPosLastDirection, r_outer, r_avoid); + } + if (window->Flags & ImGuiWindowFlags_Tooltip) + { + // Position tooltip (always follows mouse) + float sc = g.Style.MouseCursorScale; + ImVec2 ref_pos = NavCalcPreferredRefPos(); + ImRect r_avoid; + if (!g.NavDisableHighlight && g.NavDisableMouseHover && !(g.IO.ConfigFlags & ImGuiConfigFlags_NavEnableSetMousePos)) + r_avoid = ImRect(ref_pos.x - 16, ref_pos.y - 8, ref_pos.x + 16, ref_pos.y + 8); + else + r_avoid = ImRect(ref_pos.x - 16, ref_pos.y - 8, ref_pos.x + 24 * sc, ref_pos.y + 24 * sc); // FIXME: Hard-coded based on mouse cursor shape expectation. Exact dimension not very important. + ImVec2 pos = FindBestWindowPosForPopupEx(ref_pos, window->Size, &window->AutoPosLastDirection, r_outer, r_avoid); + if (window->AutoPosLastDirection == ImGuiDir_None) + pos = ref_pos + ImVec2(2, 2); // If there's not enough room, for tooltip we prefer avoiding the cursor at all cost even if it means that part of the tooltip won't be visible. + return pos; + } + IM_ASSERT(0); + return window->Pos; +} + +//----------------------------------------------------------------------------- +// [SECTION] KEYBOARD/GAMEPAD NAVIGATION +//----------------------------------------------------------------------------- + +// FIXME-NAV: The existence of SetNavID vs SetNavIDWithRectRel vs SetFocusID is incredibly messy and confusing, +// and needs some explanation or serious refactoring. +void ImGui::SetNavID(ImGuiID id, int nav_layer, ImGuiID focus_scope_id) +{ + ImGuiContext& g = *GImGui; + IM_ASSERT(g.NavWindow); + IM_ASSERT(nav_layer == 0 || nav_layer == 1); + g.NavId = id; + g.NavFocusScopeId = focus_scope_id; + g.NavWindow->NavLastIds[nav_layer] = id; +} + +void ImGui::SetNavIDWithRectRel(ImGuiID id, int nav_layer, ImGuiID focus_scope_id, const ImRect& rect_rel) +{ + ImGuiContext& g = *GImGui; + SetNavID(id, nav_layer, focus_scope_id); + g.NavWindow->NavRectRel[nav_layer] = rect_rel; + g.NavMousePosDirty = true; + g.NavDisableHighlight = false; + g.NavDisableMouseHover = true; +} + +void ImGui::SetFocusID(ImGuiID id, ImGuiWindow* window) +{ + ImGuiContext& g = *GImGui; + IM_ASSERT(id != 0); + + // Assume that SetFocusID() is called in the context where its window->DC.NavLayerCurrent and window->DC.NavFocusScopeIdCurrent are valid. + // Note that window may be != g.CurrentWindow (e.g. SetFocusID call in InputTextEx for multi-line text) + const ImGuiNavLayer nav_layer = window->DC.NavLayerCurrent; + if (g.NavWindow != window) + g.NavInitRequest = false; + g.NavWindow = window; + g.NavId = id; + g.NavLayer = nav_layer; + g.NavFocusScopeId = window->DC.NavFocusScopeIdCurrent; + window->NavLastIds[nav_layer] = id; + if (window->DC.LastItemId == id) + window->NavRectRel[nav_layer] = ImRect(window->DC.LastItemRect.Min - window->Pos, window->DC.LastItemRect.Max - window->Pos); + + if (g.ActiveIdSource == ImGuiInputSource_Nav) + g.NavDisableMouseHover = true; + else + g.NavDisableHighlight = true; +} + +ImGuiDir ImGetDirQuadrantFromDelta(float dx, float dy) +{ + if (ImFabs(dx) > ImFabs(dy)) + return (dx > 0.0f) ? ImGuiDir_Right : ImGuiDir_Left; + return (dy > 0.0f) ? ImGuiDir_Down : ImGuiDir_Up; +} + +static float inline NavScoreItemDistInterval(float a0, float a1, float b0, float b1) +{ + if (a1 < b0) + return a1 - b0; + if (b1 < a0) + return a0 - b1; + return 0.0f; +} + +static void inline NavClampRectToVisibleAreaForMoveDir(ImGuiDir move_dir, ImRect& r, const ImRect& clip_rect) +{ + if (move_dir == ImGuiDir_Left || move_dir == ImGuiDir_Right) + { + r.Min.y = ImClamp(r.Min.y, clip_rect.Min.y, clip_rect.Max.y); + r.Max.y = ImClamp(r.Max.y, clip_rect.Min.y, clip_rect.Max.y); + } + else + { + r.Min.x = ImClamp(r.Min.x, clip_rect.Min.x, clip_rect.Max.x); + r.Max.x = ImClamp(r.Max.x, clip_rect.Min.x, clip_rect.Max.x); + } +} + +// Scoring function for directional navigation. Based on https://gist.github.com/rygorous/6981057 +static bool ImGui::NavScoreItem(ImGuiNavMoveResult* result, ImRect cand) +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + if (g.NavLayer != window->DC.NavLayerCurrent) + return false; + + const ImRect& curr = g.NavScoringRectScreen; // Current modified source rect (NB: we've applied Max.x = Min.x in NavUpdate() to inhibit the effect of having varied item width) + g.NavScoringCount++; + + // When entering through a NavFlattened border, we consider child window items as fully clipped for scoring + if (window->ParentWindow == g.NavWindow) + { + IM_ASSERT((window->Flags | g.NavWindow->Flags) & ImGuiWindowFlags_NavFlattened); + if (!window->ClipRect.Overlaps(cand)) + return false; + cand.ClipWithFull(window->ClipRect); // This allows the scored item to not overlap other candidates in the parent window + } + + // We perform scoring on items bounding box clipped by the current clipping rectangle on the other axis (clipping on our movement axis would give us equal scores for all clipped items) + // For example, this ensure that items in one column are not reached when moving vertically from items in another column. + NavClampRectToVisibleAreaForMoveDir(g.NavMoveClipDir, cand, window->ClipRect); + + // Compute distance between boxes + // FIXME-NAV: Introducing biases for vertical navigation, needs to be removed. + float dbx = NavScoreItemDistInterval(cand.Min.x, cand.Max.x, curr.Min.x, curr.Max.x); + float dby = NavScoreItemDistInterval(ImLerp(cand.Min.y, cand.Max.y, 0.2f), ImLerp(cand.Min.y, cand.Max.y, 0.8f), ImLerp(curr.Min.y, curr.Max.y, 0.2f), ImLerp(curr.Min.y, curr.Max.y, 0.8f)); // Scale down on Y to keep using box-distance for vertically touching items + if (dby != 0.0f && dbx != 0.0f) + dbx = (dbx/1000.0f) + ((dbx > 0.0f) ? +1.0f : -1.0f); + float dist_box = ImFabs(dbx) + ImFabs(dby); + + // Compute distance between centers (this is off by a factor of 2, but we only compare center distances with each other so it doesn't matter) + float dcx = (cand.Min.x + cand.Max.x) - (curr.Min.x + curr.Max.x); + float dcy = (cand.Min.y + cand.Max.y) - (curr.Min.y + curr.Max.y); + float dist_center = ImFabs(dcx) + ImFabs(dcy); // L1 metric (need this for our connectedness guarantee) + + // Determine which quadrant of 'curr' our candidate item 'cand' lies in based on distance + ImGuiDir quadrant; + float dax = 0.0f, day = 0.0f, dist_axial = 0.0f; + if (dbx != 0.0f || dby != 0.0f) + { + // For non-overlapping boxes, use distance between boxes + dax = dbx; + day = dby; + dist_axial = dist_box; + quadrant = ImGetDirQuadrantFromDelta(dbx, dby); + } + else if (dcx != 0.0f || dcy != 0.0f) + { + // For overlapping boxes with different centers, use distance between centers + dax = dcx; + day = dcy; + dist_axial = dist_center; + quadrant = ImGetDirQuadrantFromDelta(dcx, dcy); + } + else + { + // Degenerate case: two overlapping buttons with same center, break ties arbitrarily (note that LastItemId here is really the _previous_ item order, but it doesn't matter) + quadrant = (window->DC.LastItemId < g.NavId) ? ImGuiDir_Left : ImGuiDir_Right; + } + +#if IMGUI_DEBUG_NAV_SCORING + char buf[128]; + if (IsMouseHoveringRect(cand.Min, cand.Max)) + { + ImFormatString(buf, IM_ARRAYSIZE(buf), "dbox (%.2f,%.2f->%.4f)\ndcen (%.2f,%.2f->%.4f)\nd (%.2f,%.2f->%.4f)\nnav %c, quadrant %c", dbx, dby, dist_box, dcx, dcy, dist_center, dax, day, dist_axial, "WENS"[g.NavMoveDir], "WENS"[quadrant]); + ImDrawList* draw_list = GetForegroundDrawList(window); + draw_list->AddRect(curr.Min, curr.Max, IM_COL32(255,200,0,100)); + draw_list->AddRect(cand.Min, cand.Max, IM_COL32(255,255,0,200)); + draw_list->AddRectFilled(cand.Max - ImVec2(4,4), cand.Max + CalcTextSize(buf) + ImVec2(4,4), IM_COL32(40,0,0,150)); + draw_list->AddText(g.IO.FontDefault, 13.0f, cand.Max, ~0U, buf); + } + else if (g.IO.KeyCtrl) // Hold to preview score in matching quadrant. Press C to rotate. + { + if (IsKeyPressedMap(ImGuiKey_C)) { g.NavMoveDirLast = (ImGuiDir)((g.NavMoveDirLast + 1) & 3); g.IO.KeysDownDuration[g.IO.KeyMap[ImGuiKey_C]] = 0.01f; } + if (quadrant == g.NavMoveDir) + { + ImFormatString(buf, IM_ARRAYSIZE(buf), "%.0f/%.0f", dist_box, dist_center); + ImDrawList* draw_list = GetForegroundDrawList(window); + draw_list->AddRectFilled(cand.Min, cand.Max, IM_COL32(255, 0, 0, 200)); + draw_list->AddText(g.IO.FontDefault, 13.0f, cand.Min, IM_COL32(255, 255, 255, 255), buf); + } + } + #endif + + // Is it in the quadrant we're interesting in moving to? + bool new_best = false; + if (quadrant == g.NavMoveDir) + { + // Does it beat the current best candidate? + if (dist_box < result->DistBox) + { + result->DistBox = dist_box; + result->DistCenter = dist_center; + return true; + } + if (dist_box == result->DistBox) + { + // Try using distance between center points to break ties + if (dist_center < result->DistCenter) + { + result->DistCenter = dist_center; + new_best = true; + } + else if (dist_center == result->DistCenter) + { + // Still tied! we need to be extra-careful to make sure everything gets linked properly. We consistently break ties by symbolically moving "later" items + // (with higher index) to the right/downwards by an infinitesimal amount since we the current "best" button already (so it must have a lower index), + // this is fairly easy. This rule ensures that all buttons with dx==dy==0 will end up being linked in order of appearance along the x axis. + if (((g.NavMoveDir == ImGuiDir_Up || g.NavMoveDir == ImGuiDir_Down) ? dby : dbx) < 0.0f) // moving bj to the right/down decreases distance + new_best = true; + } + } + } + + // Axial check: if 'curr' has no link at all in some direction and 'cand' lies roughly in that direction, add a tentative link. This will only be kept if no "real" matches + // are found, so it only augments the graph produced by the above method using extra links. (important, since it doesn't guarantee strong connectedness) + // This is just to avoid buttons having no links in a particular direction when there's a suitable neighbor. you get good graphs without this too. + // 2017/09/29: FIXME: This now currently only enabled inside menu bars, ideally we'd disable it everywhere. Menus in particular need to catch failure. For general navigation it feels awkward. + // Disabling it may lead to disconnected graphs when nodes are very spaced out on different axis. Perhaps consider offering this as an option? + if (result->DistBox == FLT_MAX && dist_axial < result->DistAxial) // Check axial match + if (g.NavLayer == 1 && !(g.NavWindow->Flags & ImGuiWindowFlags_ChildMenu)) + if ((g.NavMoveDir == ImGuiDir_Left && dax < 0.0f) || (g.NavMoveDir == ImGuiDir_Right && dax > 0.0f) || (g.NavMoveDir == ImGuiDir_Up && day < 0.0f) || (g.NavMoveDir == ImGuiDir_Down && day > 0.0f)) + { + result->DistAxial = dist_axial; + new_best = true; + } + + return new_best; +} + +// We get there when either NavId == id, or when g.NavAnyRequest is set (which is updated by NavUpdateAnyRequestFlag above) +static void ImGui::NavProcessItem(ImGuiWindow* window, const ImRect& nav_bb, const ImGuiID id) +{ + ImGuiContext& g = *GImGui; + //if (!g.IO.NavActive) // [2017/10/06] Removed this possibly redundant test but I am not sure of all the side-effects yet. Some of the feature here will need to work regardless of using a _NoNavInputs flag. + // return; + + const ImGuiItemFlags item_flags = window->DC.ItemFlags; + const ImRect nav_bb_rel(nav_bb.Min - window->Pos, nav_bb.Max - window->Pos); + + // Process Init Request + if (g.NavInitRequest && g.NavLayer == window->DC.NavLayerCurrent) + { + // Even if 'ImGuiItemFlags_NoNavDefaultFocus' is on (typically collapse/close button) we record the first ResultId so they can be used as a fallback + if (!(item_flags & ImGuiItemFlags_NoNavDefaultFocus) || g.NavInitResultId == 0) + { + g.NavInitResultId = id; + g.NavInitResultRectRel = nav_bb_rel; + } + if (!(item_flags & ImGuiItemFlags_NoNavDefaultFocus)) + { + g.NavInitRequest = false; // Found a match, clear request + NavUpdateAnyRequestFlag(); + } + } + + // Process Move Request (scoring for navigation) + // FIXME-NAV: Consider policy for double scoring (scoring from NavScoringRectScreen + scoring from a rect wrapped according to current wrapping policy) + if ((g.NavId != id || (g.NavMoveRequestFlags & ImGuiNavMoveFlags_AllowCurrentNavId)) && !(item_flags & (ImGuiItemFlags_Disabled|ImGuiItemFlags_NoNav))) + { + ImGuiNavMoveResult* result = (window == g.NavWindow) ? &g.NavMoveResultLocal : &g.NavMoveResultOther; +#if IMGUI_DEBUG_NAV_SCORING + // [DEBUG] Score all items in NavWindow at all times + if (!g.NavMoveRequest) + g.NavMoveDir = g.NavMoveDirLast; + bool new_best = NavScoreItem(result, nav_bb) && g.NavMoveRequest; +#else + bool new_best = g.NavMoveRequest && NavScoreItem(result, nav_bb); +#endif + if (new_best) + { + result->Window = window; + result->ID = id; + result->FocusScopeId = window->DC.NavFocusScopeIdCurrent; + result->RectRel = nav_bb_rel; + } + + // Features like PageUp/PageDown need to maintain a separate score for the visible set of items. + const float VISIBLE_RATIO = 0.70f; + if ((g.NavMoveRequestFlags & ImGuiNavMoveFlags_AlsoScoreVisibleSet) && window->ClipRect.Overlaps(nav_bb)) + if (ImClamp(nav_bb.Max.y, window->ClipRect.Min.y, window->ClipRect.Max.y) - ImClamp(nav_bb.Min.y, window->ClipRect.Min.y, window->ClipRect.Max.y) >= (nav_bb.Max.y - nav_bb.Min.y) * VISIBLE_RATIO) + if (NavScoreItem(&g.NavMoveResultLocalVisibleSet, nav_bb)) + { + result = &g.NavMoveResultLocalVisibleSet; + result->Window = window; + result->ID = id; + result->FocusScopeId = window->DC.NavFocusScopeIdCurrent; + result->RectRel = nav_bb_rel; + } + } + + // Update window-relative bounding box of navigated item + if (g.NavId == id) + { + g.NavWindow = window; // Always refresh g.NavWindow, because some operations such as FocusItem() don't have a window. + g.NavLayer = window->DC.NavLayerCurrent; + g.NavFocusScopeId = window->DC.NavFocusScopeIdCurrent; + g.NavIdIsAlive = true; + g.NavIdTabCounter = window->DC.FocusCounterTabStop; + window->NavRectRel[window->DC.NavLayerCurrent] = nav_bb_rel; // Store item bounding box (relative to window position) + } +} + +bool ImGui::NavMoveRequestButNoResultYet() +{ + ImGuiContext& g = *GImGui; + return g.NavMoveRequest && g.NavMoveResultLocal.ID == 0 && g.NavMoveResultOther.ID == 0; +} + +void ImGui::NavMoveRequestCancel() +{ + ImGuiContext& g = *GImGui; + g.NavMoveRequest = false; + NavUpdateAnyRequestFlag(); +} + +void ImGui::NavMoveRequestForward(ImGuiDir move_dir, ImGuiDir clip_dir, const ImRect& bb_rel, ImGuiNavMoveFlags move_flags) +{ + ImGuiContext& g = *GImGui; + IM_ASSERT(g.NavMoveRequestForward == ImGuiNavForward_None); + NavMoveRequestCancel(); + g.NavMoveDir = move_dir; + g.NavMoveClipDir = clip_dir; + g.NavMoveRequestForward = ImGuiNavForward_ForwardQueued; + g.NavMoveRequestFlags = move_flags; + g.NavWindow->NavRectRel[g.NavLayer] = bb_rel; +} + +void ImGui::NavMoveRequestTryWrapping(ImGuiWindow* window, ImGuiNavMoveFlags move_flags) +{ + ImGuiContext& g = *GImGui; + if (g.NavWindow != window || !NavMoveRequestButNoResultYet() || g.NavMoveRequestForward != ImGuiNavForward_None || g.NavLayer != 0) + return; + IM_ASSERT(move_flags != 0); // No points calling this with no wrapping + ImRect bb_rel = window->NavRectRel[0]; + + ImGuiDir clip_dir = g.NavMoveDir; + if (g.NavMoveDir == ImGuiDir_Left && (move_flags & (ImGuiNavMoveFlags_WrapX | ImGuiNavMoveFlags_LoopX))) + { + bb_rel.Min.x = bb_rel.Max.x = ImMax(window->SizeFull.x, window->ContentSize.x + window->WindowPadding.x * 2.0f) - window->Scroll.x; + if (move_flags & ImGuiNavMoveFlags_WrapX) { bb_rel.TranslateY(-bb_rel.GetHeight()); clip_dir = ImGuiDir_Up; } + NavMoveRequestForward(g.NavMoveDir, clip_dir, bb_rel, move_flags); + } + if (g.NavMoveDir == ImGuiDir_Right && (move_flags & (ImGuiNavMoveFlags_WrapX | ImGuiNavMoveFlags_LoopX))) + { + bb_rel.Min.x = bb_rel.Max.x = -window->Scroll.x; + if (move_flags & ImGuiNavMoveFlags_WrapX) { bb_rel.TranslateY(+bb_rel.GetHeight()); clip_dir = ImGuiDir_Down; } + NavMoveRequestForward(g.NavMoveDir, clip_dir, bb_rel, move_flags); + } + if (g.NavMoveDir == ImGuiDir_Up && (move_flags & (ImGuiNavMoveFlags_WrapY | ImGuiNavMoveFlags_LoopY))) + { + bb_rel.Min.y = bb_rel.Max.y = ImMax(window->SizeFull.y, window->ContentSize.y + window->WindowPadding.y * 2.0f) - window->Scroll.y; + if (move_flags & ImGuiNavMoveFlags_WrapY) { bb_rel.TranslateX(-bb_rel.GetWidth()); clip_dir = ImGuiDir_Left; } + NavMoveRequestForward(g.NavMoveDir, clip_dir, bb_rel, move_flags); + } + if (g.NavMoveDir == ImGuiDir_Down && (move_flags & (ImGuiNavMoveFlags_WrapY | ImGuiNavMoveFlags_LoopY))) + { + bb_rel.Min.y = bb_rel.Max.y = -window->Scroll.y; + if (move_flags & ImGuiNavMoveFlags_WrapY) { bb_rel.TranslateX(+bb_rel.GetWidth()); clip_dir = ImGuiDir_Right; } + NavMoveRequestForward(g.NavMoveDir, clip_dir, bb_rel, move_flags); + } +} + +// FIXME: This could be replaced by updating a frame number in each window when (window == NavWindow) and (NavLayer == 0). +// This way we could find the last focused window among our children. It would be much less confusing this way? +static void ImGui::NavSaveLastChildNavWindowIntoParent(ImGuiWindow* nav_window) +{ + ImGuiWindow* parent_window = nav_window; + while (parent_window && (parent_window->Flags & ImGuiWindowFlags_ChildWindow) != 0 && (parent_window->Flags & (ImGuiWindowFlags_Popup | ImGuiWindowFlags_ChildMenu)) == 0) + parent_window = parent_window->ParentWindow; + if (parent_window && parent_window != nav_window) + parent_window->NavLastChildNavWindow = nav_window; +} + +// Restore the last focused child. +// Call when we are expected to land on the Main Layer (0) after FocusWindow() +static ImGuiWindow* ImGui::NavRestoreLastChildNavWindow(ImGuiWindow* window) +{ + return window->NavLastChildNavWindow ? window->NavLastChildNavWindow : window; +} + +static void NavRestoreLayer(ImGuiNavLayer layer) +{ + ImGuiContext& g = *GImGui; + g.NavLayer = layer; + if (layer == 0) + g.NavWindow = ImGui::NavRestoreLastChildNavWindow(g.NavWindow); + ImGuiWindow* window = g.NavWindow; + if (layer == 0 && window->NavLastIds[0] != 0) + ImGui::SetNavIDWithRectRel(window->NavLastIds[0], layer, 0, window->NavRectRel[0]); + else + ImGui::NavInitWindow(window, true); +} + +static inline void ImGui::NavUpdateAnyRequestFlag() +{ + ImGuiContext& g = *GImGui; + g.NavAnyRequest = g.NavMoveRequest || g.NavInitRequest || (IMGUI_DEBUG_NAV_SCORING && g.NavWindow != NULL); + if (g.NavAnyRequest) + IM_ASSERT(g.NavWindow != NULL); +} + +// This needs to be called before we submit any widget (aka in or before Begin) +void ImGui::NavInitWindow(ImGuiWindow* window, bool force_reinit) +{ + ImGuiContext& g = *GImGui; + IM_ASSERT(window == g.NavWindow); + bool init_for_nav = false; + if (!(window->Flags & ImGuiWindowFlags_NoNavInputs)) + if (!(window->Flags & ImGuiWindowFlags_ChildWindow) || (window->Flags & ImGuiWindowFlags_Popup) || (window->NavLastIds[0] == 0) || force_reinit) + init_for_nav = true; + //IMGUI_DEBUG_LOG("[Nav] NavInitWindow() init_for_nav=%d, window=\"%s\", layer=%d\n", init_for_nav, window->Name, g.NavLayer); + if (init_for_nav) + { + SetNavID(0, g.NavLayer, 0); + g.NavInitRequest = true; + g.NavInitRequestFromMove = false; + g.NavInitResultId = 0; + g.NavInitResultRectRel = ImRect(); + NavUpdateAnyRequestFlag(); + } + else + { + g.NavId = window->NavLastIds[0]; + g.NavFocusScopeId = 0; + } +} + +static ImVec2 ImGui::NavCalcPreferredRefPos() +{ + ImGuiContext& g = *GImGui; + if (g.NavDisableHighlight || !g.NavDisableMouseHover || !g.NavWindow) + { + // Mouse (we need a fallback in case the mouse becomes invalid after being used) + if (IsMousePosValid(&g.IO.MousePos)) + return g.IO.MousePos; + return g.LastValidMousePos; + } + else + { + // When navigation is active and mouse is disabled, decide on an arbitrary position around the bottom left of the currently navigated item. + const ImRect& rect_rel = g.NavWindow->NavRectRel[g.NavLayer]; + ImVec2 pos = g.NavWindow->Pos + ImVec2(rect_rel.Min.x + ImMin(g.Style.FramePadding.x * 4, rect_rel.GetWidth()), rect_rel.Max.y - ImMin(g.Style.FramePadding.y, rect_rel.GetHeight())); + ImRect visible_rect = GetViewportRect(); + return ImFloor(ImClamp(pos, visible_rect.Min, visible_rect.Max)); // ImFloor() is important because non-integer mouse position application in back-end might be lossy and result in undesirable non-zero delta. + } +} + +float ImGui::GetNavInputAmount(ImGuiNavInput n, ImGuiInputReadMode mode) +{ + ImGuiContext& g = *GImGui; + if (mode == ImGuiInputReadMode_Down) + return g.IO.NavInputs[n]; // Instant, read analog input (0.0f..1.0f, as provided by user) + + const float t = g.IO.NavInputsDownDuration[n]; + if (t < 0.0f && mode == ImGuiInputReadMode_Released) // Return 1.0f when just released, no repeat, ignore analog input. + return (g.IO.NavInputsDownDurationPrev[n] >= 0.0f ? 1.0f : 0.0f); + if (t < 0.0f) + return 0.0f; + if (mode == ImGuiInputReadMode_Pressed) // Return 1.0f when just pressed, no repeat, ignore analog input. + return (t == 0.0f) ? 1.0f : 0.0f; + if (mode == ImGuiInputReadMode_Repeat) + return (float)CalcTypematicRepeatAmount(t - g.IO.DeltaTime, t, g.IO.KeyRepeatDelay * 0.72f, g.IO.KeyRepeatRate * 0.80f); + if (mode == ImGuiInputReadMode_RepeatSlow) + return (float)CalcTypematicRepeatAmount(t - g.IO.DeltaTime, t, g.IO.KeyRepeatDelay * 1.25f, g.IO.KeyRepeatRate * 2.00f); + if (mode == ImGuiInputReadMode_RepeatFast) + return (float)CalcTypematicRepeatAmount(t - g.IO.DeltaTime, t, g.IO.KeyRepeatDelay * 0.72f, g.IO.KeyRepeatRate * 0.30f); + return 0.0f; +} + +ImVec2 ImGui::GetNavInputAmount2d(ImGuiNavDirSourceFlags dir_sources, ImGuiInputReadMode mode, float slow_factor, float fast_factor) +{ + ImVec2 delta(0.0f, 0.0f); + if (dir_sources & ImGuiNavDirSourceFlags_Keyboard) + delta += ImVec2(GetNavInputAmount(ImGuiNavInput_KeyRight_, mode) - GetNavInputAmount(ImGuiNavInput_KeyLeft_, mode), GetNavInputAmount(ImGuiNavInput_KeyDown_, mode) - GetNavInputAmount(ImGuiNavInput_KeyUp_, mode)); + if (dir_sources & ImGuiNavDirSourceFlags_PadDPad) + delta += ImVec2(GetNavInputAmount(ImGuiNavInput_DpadRight, mode) - GetNavInputAmount(ImGuiNavInput_DpadLeft, mode), GetNavInputAmount(ImGuiNavInput_DpadDown, mode) - GetNavInputAmount(ImGuiNavInput_DpadUp, mode)); + if (dir_sources & ImGuiNavDirSourceFlags_PadLStick) + delta += ImVec2(GetNavInputAmount(ImGuiNavInput_LStickRight, mode) - GetNavInputAmount(ImGuiNavInput_LStickLeft, mode), GetNavInputAmount(ImGuiNavInput_LStickDown, mode) - GetNavInputAmount(ImGuiNavInput_LStickUp, mode)); + if (slow_factor != 0.0f && IsNavInputDown(ImGuiNavInput_TweakSlow)) + delta *= slow_factor; + if (fast_factor != 0.0f && IsNavInputDown(ImGuiNavInput_TweakFast)) + delta *= fast_factor; + return delta; +} + +static void ImGui::NavUpdate() +{ + ImGuiContext& g = *GImGui; + g.IO.WantSetMousePos = false; +#if 0 + if (g.NavScoringCount > 0) IMGUI_DEBUG_LOG("NavScoringCount %d for '%s' layer %d (Init:%d, Move:%d)\n", g.FrameCount, g.NavScoringCount, g.NavWindow ? g.NavWindow->Name : "NULL", g.NavLayer, g.NavInitRequest || g.NavInitResultId != 0, g.NavMoveRequest); +#endif + + // Set input source as Gamepad when buttons are pressed (as some features differs when used with Gamepad vs Keyboard) + // (do it before we map Keyboard input!) + bool nav_keyboard_active = (g.IO.ConfigFlags & ImGuiConfigFlags_NavEnableKeyboard) != 0; + bool nav_gamepad_active = (g.IO.ConfigFlags & ImGuiConfigFlags_NavEnableGamepad) != 0 && (g.IO.BackendFlags & ImGuiBackendFlags_HasGamepad) != 0; + if (nav_gamepad_active) + if (g.IO.NavInputs[ImGuiNavInput_Activate] > 0.0f || g.IO.NavInputs[ImGuiNavInput_Input] > 0.0f || g.IO.NavInputs[ImGuiNavInput_Cancel] > 0.0f || g.IO.NavInputs[ImGuiNavInput_Menu] > 0.0f) + g.NavInputSource = ImGuiInputSource_NavGamepad; + + // Update Keyboard->Nav inputs mapping + if (nav_keyboard_active) + { + #define NAV_MAP_KEY(_KEY, _NAV_INPUT) do { if (IsKeyDown(g.IO.KeyMap[_KEY])) { g.IO.NavInputs[_NAV_INPUT] = 1.0f; g.NavInputSource = ImGuiInputSource_NavKeyboard; } } while (0) + NAV_MAP_KEY(ImGuiKey_Space, ImGuiNavInput_Activate ); + NAV_MAP_KEY(ImGuiKey_Enter, ImGuiNavInput_Input ); + NAV_MAP_KEY(ImGuiKey_Escape, ImGuiNavInput_Cancel ); + NAV_MAP_KEY(ImGuiKey_LeftArrow, ImGuiNavInput_KeyLeft_ ); + NAV_MAP_KEY(ImGuiKey_RightArrow,ImGuiNavInput_KeyRight_); + NAV_MAP_KEY(ImGuiKey_UpArrow, ImGuiNavInput_KeyUp_ ); + NAV_MAP_KEY(ImGuiKey_DownArrow, ImGuiNavInput_KeyDown_ ); + if (g.IO.KeyCtrl) + g.IO.NavInputs[ImGuiNavInput_TweakSlow] = 1.0f; + if (g.IO.KeyShift) + g.IO.NavInputs[ImGuiNavInput_TweakFast] = 1.0f; + if (g.IO.KeyAlt && !g.IO.KeyCtrl) // AltGR is Alt+Ctrl, also even on keyboards without AltGR we don't want Alt+Ctrl to open menu. + g.IO.NavInputs[ImGuiNavInput_KeyMenu_] = 1.0f; + #undef NAV_MAP_KEY + } + memcpy(g.IO.NavInputsDownDurationPrev, g.IO.NavInputsDownDuration, sizeof(g.IO.NavInputsDownDuration)); + for (int i = 0; i < IM_ARRAYSIZE(g.IO.NavInputs); i++) + g.IO.NavInputsDownDuration[i] = (g.IO.NavInputs[i] > 0.0f) ? (g.IO.NavInputsDownDuration[i] < 0.0f ? 0.0f : g.IO.NavInputsDownDuration[i] + g.IO.DeltaTime) : -1.0f; + + // Process navigation init request (select first/default focus) + // In very rare cases g.NavWindow may be null (e.g. clearing focus after requesting an init request, which does happen when releasing Alt while clicking on void) + if (g.NavInitResultId != 0 && (!g.NavDisableHighlight || g.NavInitRequestFromMove) && g.NavWindow) + { + // Apply result from previous navigation init request (will typically select the first item, unless SetItemDefaultFocus() has been called) + //IMGUI_DEBUG_LOG("[Nav] Apply NavInitRequest result: 0x%08X Layer %d in \"%s\"\n", g.NavInitResultId, g.NavLayer, g.NavWindow->Name); + if (g.NavInitRequestFromMove) + SetNavIDWithRectRel(g.NavInitResultId, g.NavLayer, 0, g.NavInitResultRectRel); + else + SetNavID(g.NavInitResultId, g.NavLayer, 0); + g.NavWindow->NavRectRel[g.NavLayer] = g.NavInitResultRectRel; + } + g.NavInitRequest = false; + g.NavInitRequestFromMove = false; + g.NavInitResultId = 0; + g.NavJustMovedToId = 0; + + // Process navigation move request + if (g.NavMoveRequest) + NavUpdateMoveResult(); + + // When a forwarded move request failed, we restore the highlight that we disabled during the forward frame + if (g.NavMoveRequestForward == ImGuiNavForward_ForwardActive) + { + IM_ASSERT(g.NavMoveRequest); + if (g.NavMoveResultLocal.ID == 0 && g.NavMoveResultOther.ID == 0) + g.NavDisableHighlight = false; + g.NavMoveRequestForward = ImGuiNavForward_None; + } + + // Apply application mouse position movement, after we had a chance to process move request result. + if (g.NavMousePosDirty && g.NavIdIsAlive) + { + // Set mouse position given our knowledge of the navigated item position from last frame + if ((g.IO.ConfigFlags & ImGuiConfigFlags_NavEnableSetMousePos) && (g.IO.BackendFlags & ImGuiBackendFlags_HasSetMousePos)) + { + if (!g.NavDisableHighlight && g.NavDisableMouseHover && g.NavWindow) + { + g.IO.MousePos = g.IO.MousePosPrev = NavCalcPreferredRefPos(); + g.IO.WantSetMousePos = true; + } + } + g.NavMousePosDirty = false; + } + g.NavIdIsAlive = false; + g.NavJustTabbedId = 0; + IM_ASSERT(g.NavLayer == 0 || g.NavLayer == 1); + + // Store our return window (for returning from Layer 1 to Layer 0) and clear it as soon as we step back in our own Layer 0 + if (g.NavWindow) + NavSaveLastChildNavWindowIntoParent(g.NavWindow); + if (g.NavWindow && g.NavWindow->NavLastChildNavWindow != NULL && g.NavLayer == 0) + g.NavWindow->NavLastChildNavWindow = NULL; + + // Update CTRL+TAB and Windowing features (hold Square to move/resize/etc.) + NavUpdateWindowing(); + + // Set output flags for user application + g.IO.NavActive = (nav_keyboard_active || nav_gamepad_active) && g.NavWindow && !(g.NavWindow->Flags & ImGuiWindowFlags_NoNavInputs); + g.IO.NavVisible = (g.IO.NavActive && g.NavId != 0 && !g.NavDisableHighlight) || (g.NavWindowingTarget != NULL); + + // Process NavCancel input (to close a popup, get back to parent, clear focus) + if (IsNavInputTest(ImGuiNavInput_Cancel, ImGuiInputReadMode_Pressed)) + { + if (g.ActiveId != 0) + { + if (!IsActiveIdUsingNavInput(ImGuiNavInput_Cancel)) + ClearActiveID(); + } + else if (g.NavWindow && (g.NavWindow->Flags & ImGuiWindowFlags_ChildWindow) && !(g.NavWindow->Flags & ImGuiWindowFlags_Popup) && g.NavWindow->ParentWindow) + { + // Exit child window + ImGuiWindow* child_window = g.NavWindow; + ImGuiWindow* parent_window = g.NavWindow->ParentWindow; + IM_ASSERT(child_window->ChildId != 0); + FocusWindow(parent_window); + SetNavID(child_window->ChildId, 0, 0); + // Reassigning with same value, we're being explicit here. + g.NavIdIsAlive = false; // -V1048 + if (g.NavDisableMouseHover) + g.NavMousePosDirty = true; + } + else if (g.OpenPopupStack.Size > 0) + { + // Close open popup/menu + if (!(g.OpenPopupStack.back().Window->Flags & ImGuiWindowFlags_Modal)) + ClosePopupToLevel(g.OpenPopupStack.Size - 1, true); + } + else if (g.NavLayer != 0) + { + // Leave the "menu" layer + NavRestoreLayer(ImGuiNavLayer_Main); + } + else + { + // Clear NavLastId for popups but keep it for regular child window so we can leave one and come back where we were + if (g.NavWindow && ((g.NavWindow->Flags & ImGuiWindowFlags_Popup) || !(g.NavWindow->Flags & ImGuiWindowFlags_ChildWindow))) + g.NavWindow->NavLastIds[0] = 0; + g.NavId = g.NavFocusScopeId = 0; + } + } + + // Process manual activation request + g.NavActivateId = g.NavActivateDownId = g.NavActivatePressedId = g.NavInputId = 0; + if (g.NavId != 0 && !g.NavDisableHighlight && !g.NavWindowingTarget && g.NavWindow && !(g.NavWindow->Flags & ImGuiWindowFlags_NoNavInputs)) + { + bool activate_down = IsNavInputDown(ImGuiNavInput_Activate); + bool activate_pressed = activate_down && IsNavInputTest(ImGuiNavInput_Activate, ImGuiInputReadMode_Pressed); + if (g.ActiveId == 0 && activate_pressed) + g.NavActivateId = g.NavId; + if ((g.ActiveId == 0 || g.ActiveId == g.NavId) && activate_down) + g.NavActivateDownId = g.NavId; + if ((g.ActiveId == 0 || g.ActiveId == g.NavId) && activate_pressed) + g.NavActivatePressedId = g.NavId; + if ((g.ActiveId == 0 || g.ActiveId == g.NavId) && IsNavInputTest(ImGuiNavInput_Input, ImGuiInputReadMode_Pressed)) + g.NavInputId = g.NavId; + } + if (g.NavWindow && (g.NavWindow->Flags & ImGuiWindowFlags_NoNavInputs)) + g.NavDisableHighlight = true; + if (g.NavActivateId != 0) + IM_ASSERT(g.NavActivateDownId == g.NavActivateId); + g.NavMoveRequest = false; + + // Process programmatic activation request + if (g.NavNextActivateId != 0) + g.NavActivateId = g.NavActivateDownId = g.NavActivatePressedId = g.NavInputId = g.NavNextActivateId; + g.NavNextActivateId = 0; + + // Initiate directional inputs request + if (g.NavMoveRequestForward == ImGuiNavForward_None) + { + g.NavMoveDir = ImGuiDir_None; + g.NavMoveRequestFlags = ImGuiNavMoveFlags_None; + if (g.NavWindow && !g.NavWindowingTarget && !(g.NavWindow->Flags & ImGuiWindowFlags_NoNavInputs)) + { + const ImGuiInputReadMode read_mode = ImGuiInputReadMode_Repeat; + if (!IsActiveIdUsingNavDir(ImGuiDir_Left) && (IsNavInputTest(ImGuiNavInput_DpadLeft, read_mode) || IsNavInputTest(ImGuiNavInput_KeyLeft_, read_mode))) { g.NavMoveDir = ImGuiDir_Left; } + if (!IsActiveIdUsingNavDir(ImGuiDir_Right) && (IsNavInputTest(ImGuiNavInput_DpadRight, read_mode) || IsNavInputTest(ImGuiNavInput_KeyRight_, read_mode))) { g.NavMoveDir = ImGuiDir_Right; } + if (!IsActiveIdUsingNavDir(ImGuiDir_Up) && (IsNavInputTest(ImGuiNavInput_DpadUp, read_mode) || IsNavInputTest(ImGuiNavInput_KeyUp_, read_mode))) { g.NavMoveDir = ImGuiDir_Up; } + if (!IsActiveIdUsingNavDir(ImGuiDir_Down) && (IsNavInputTest(ImGuiNavInput_DpadDown, read_mode) || IsNavInputTest(ImGuiNavInput_KeyDown_, read_mode))) { g.NavMoveDir = ImGuiDir_Down; } + } + g.NavMoveClipDir = g.NavMoveDir; + } + else + { + // Forwarding previous request (which has been modified, e.g. wrap around menus rewrite the requests with a starting rectangle at the other side of the window) + // (Preserve g.NavMoveRequestFlags, g.NavMoveClipDir which were set by the NavMoveRequestForward() function) + IM_ASSERT(g.NavMoveDir != ImGuiDir_None && g.NavMoveClipDir != ImGuiDir_None); + IM_ASSERT(g.NavMoveRequestForward == ImGuiNavForward_ForwardQueued); + g.NavMoveRequestForward = ImGuiNavForward_ForwardActive; + } + + // Update PageUp/PageDown/Home/End scroll + // FIXME-NAV: Consider enabling those keys even without the master ImGuiConfigFlags_NavEnableKeyboard flag? + float nav_scoring_rect_offset_y = 0.0f; + if (nav_keyboard_active) + nav_scoring_rect_offset_y = NavUpdatePageUpPageDown(); + + // If we initiate a movement request and have no current NavId, we initiate a InitDefautRequest that will be used as a fallback if the direction fails to find a match + if (g.NavMoveDir != ImGuiDir_None) + { + g.NavMoveRequest = true; + g.NavMoveDirLast = g.NavMoveDir; + } + if (g.NavMoveRequest && g.NavId == 0) + { + //IMGUI_DEBUG_LOG("[Nav] NavInitRequest from move, window \"%s\", layer=%d\n", g.NavWindow->Name, g.NavLayer); + g.NavInitRequest = g.NavInitRequestFromMove = true; + // Reassigning with same value, we're being explicit here. + g.NavInitResultId = 0; // -V1048 + g.NavDisableHighlight = false; + } + NavUpdateAnyRequestFlag(); + + // Scrolling + if (g.NavWindow && !(g.NavWindow->Flags & ImGuiWindowFlags_NoNavInputs) && !g.NavWindowingTarget) + { + // *Fallback* manual-scroll with Nav directional keys when window has no navigable item + ImGuiWindow* window = g.NavWindow; + const float scroll_speed = IM_ROUND(window->CalcFontSize() * 100 * g.IO.DeltaTime); // We need round the scrolling speed because sub-pixel scroll isn't reliably supported. + if (window->DC.NavLayerActiveMask == 0x00 && window->DC.NavHasScroll && g.NavMoveRequest) + { + if (g.NavMoveDir == ImGuiDir_Left || g.NavMoveDir == ImGuiDir_Right) + SetScrollX(window, ImFloor(window->Scroll.x + ((g.NavMoveDir == ImGuiDir_Left) ? -1.0f : +1.0f) * scroll_speed)); + if (g.NavMoveDir == ImGuiDir_Up || g.NavMoveDir == ImGuiDir_Down) + SetScrollY(window, ImFloor(window->Scroll.y + ((g.NavMoveDir == ImGuiDir_Up) ? -1.0f : +1.0f) * scroll_speed)); + } + + // *Normal* Manual scroll with NavScrollXXX keys + // Next movement request will clamp the NavId reference rectangle to the visible area, so navigation will resume within those bounds. + ImVec2 scroll_dir = GetNavInputAmount2d(ImGuiNavDirSourceFlags_PadLStick, ImGuiInputReadMode_Down, 1.0f/10.0f, 10.0f); + if (scroll_dir.x != 0.0f && window->ScrollbarX) + { + SetScrollX(window, ImFloor(window->Scroll.x + scroll_dir.x * scroll_speed)); + g.NavMoveFromClampedRefRect = true; + } + if (scroll_dir.y != 0.0f) + { + SetScrollY(window, ImFloor(window->Scroll.y + scroll_dir.y * scroll_speed)); + g.NavMoveFromClampedRefRect = true; + } + } + + // Reset search results + g.NavMoveResultLocal.Clear(); + g.NavMoveResultLocalVisibleSet.Clear(); + g.NavMoveResultOther.Clear(); + + // When we have manually scrolled (without using navigation) and NavId becomes out of bounds, we project its bounding box to the visible area to restart navigation within visible items + if (g.NavMoveRequest && g.NavMoveFromClampedRefRect && g.NavLayer == 0) + { + ImGuiWindow* window = g.NavWindow; + ImRect window_rect_rel(window->InnerRect.Min - window->Pos - ImVec2(1,1), window->InnerRect.Max - window->Pos + ImVec2(1,1)); + if (!window_rect_rel.Contains(window->NavRectRel[g.NavLayer])) + { + float pad = window->CalcFontSize() * 0.5f; + window_rect_rel.Expand(ImVec2(-ImMin(window_rect_rel.GetWidth(), pad), -ImMin(window_rect_rel.GetHeight(), pad))); // Terrible approximation for the intent of starting navigation from first fully visible item + window->NavRectRel[g.NavLayer].ClipWith(window_rect_rel); + g.NavId = g.NavFocusScopeId = 0; + } + g.NavMoveFromClampedRefRect = false; + } + + // For scoring we use a single segment on the left side our current item bounding box (not touching the edge to avoid box overlap with zero-spaced items) + ImRect nav_rect_rel = (g.NavWindow && !g.NavWindow->NavRectRel[g.NavLayer].IsInverted()) ? g.NavWindow->NavRectRel[g.NavLayer] : ImRect(0,0,0,0); + g.NavScoringRectScreen = g.NavWindow ? ImRect(g.NavWindow->Pos + nav_rect_rel.Min, g.NavWindow->Pos + nav_rect_rel.Max) : GetViewportRect(); + g.NavScoringRectScreen.TranslateY(nav_scoring_rect_offset_y); + g.NavScoringRectScreen.Min.x = ImMin(g.NavScoringRectScreen.Min.x + 1.0f, g.NavScoringRectScreen.Max.x); + g.NavScoringRectScreen.Max.x = g.NavScoringRectScreen.Min.x; + IM_ASSERT(!g.NavScoringRectScreen.IsInverted()); // Ensure if we have a finite, non-inverted bounding box here will allows us to remove extraneous ImFabs() calls in NavScoreItem(). + //GetForegroundDrawList()->AddRect(g.NavScoringRectScreen.Min, g.NavScoringRectScreen.Max, IM_COL32(255,200,0,255)); // [DEBUG] + g.NavScoringCount = 0; +#if IMGUI_DEBUG_NAV_RECTS + if (g.NavWindow) + { + ImDrawList* draw_list = GetForegroundDrawList(g.NavWindow); + if (1) { for (int layer = 0; layer < 2; layer++) draw_list->AddRect(g.NavWindow->Pos + g.NavWindow->NavRectRel[layer].Min, g.NavWindow->Pos + g.NavWindow->NavRectRel[layer].Max, IM_COL32(255,200,0,255)); } // [DEBUG] + if (1) { ImU32 col = (!g.NavWindow->Hidden) ? IM_COL32(255,0,255,255) : IM_COL32(255,0,0,255); ImVec2 p = NavCalcPreferredRefPos(); char buf[32]; ImFormatString(buf, 32, "%d", g.NavLayer); draw_list->AddCircleFilled(p, 3.0f, col); draw_list->AddText(NULL, 13.0f, p + ImVec2(8,-4), col, buf); } + } +#endif +} + +// Apply result from previous frame navigation directional move request +static void ImGui::NavUpdateMoveResult() +{ + ImGuiContext& g = *GImGui; + if (g.NavMoveResultLocal.ID == 0 && g.NavMoveResultOther.ID == 0) + { + // In a situation when there is no results but NavId != 0, re-enable the Navigation highlight (because g.NavId is not considered as a possible result) + if (g.NavId != 0) + { + g.NavDisableHighlight = false; + g.NavDisableMouseHover = true; + } + return; + } + + // Select which result to use + ImGuiNavMoveResult* result = (g.NavMoveResultLocal.ID != 0) ? &g.NavMoveResultLocal : &g.NavMoveResultOther; + + // PageUp/PageDown behavior first jumps to the bottom/top mostly visible item, _otherwise_ use the result from the previous/next page. + if (g.NavMoveRequestFlags & ImGuiNavMoveFlags_AlsoScoreVisibleSet) + if (g.NavMoveResultLocalVisibleSet.ID != 0 && g.NavMoveResultLocalVisibleSet.ID != g.NavId) + result = &g.NavMoveResultLocalVisibleSet; + + // Maybe entering a flattened child from the outside? In this case solve the tie using the regular scoring rules. + if (result != &g.NavMoveResultOther && g.NavMoveResultOther.ID != 0 && g.NavMoveResultOther.Window->ParentWindow == g.NavWindow) + if ((g.NavMoveResultOther.DistBox < result->DistBox) || (g.NavMoveResultOther.DistBox == result->DistBox && g.NavMoveResultOther.DistCenter < result->DistCenter)) + result = &g.NavMoveResultOther; + IM_ASSERT(g.NavWindow && result->Window); + + // Scroll to keep newly navigated item fully into view. + if (g.NavLayer == 0) + { + ImVec2 delta_scroll; + if (g.NavMoveRequestFlags & ImGuiNavMoveFlags_ScrollToEdge) + { + float scroll_target = (g.NavMoveDir == ImGuiDir_Up) ? result->Window->ScrollMax.y : 0.0f; + delta_scroll.y = result->Window->Scroll.y - scroll_target; + SetScrollY(result->Window, scroll_target); + } + else + { + ImRect rect_abs = ImRect(result->RectRel.Min + result->Window->Pos, result->RectRel.Max + result->Window->Pos); + delta_scroll = ScrollToBringRectIntoView(result->Window, rect_abs); + } + + // Offset our result position so mouse position can be applied immediately after in NavUpdate() + result->RectRel.TranslateX(-delta_scroll.x); + result->RectRel.TranslateY(-delta_scroll.y); + } + + ClearActiveID(); + g.NavWindow = result->Window; + if (g.NavId != result->ID) + { + // Don't set NavJustMovedToId if just landed on the same spot (which may happen with ImGuiNavMoveFlags_AllowCurrentNavId) + g.NavJustMovedToId = result->ID; + g.NavJustMovedToFocusScopeId = result->FocusScopeId; + + } + SetNavIDWithRectRel(result->ID, g.NavLayer, result->FocusScopeId, result->RectRel); + g.NavMoveFromClampedRefRect = false; +} + +// Handle PageUp/PageDown/Home/End keys +static float ImGui::NavUpdatePageUpPageDown() +{ + ImGuiContext& g = *GImGui; + if (g.NavMoveDir != ImGuiDir_None || g.NavWindow == NULL) + return 0.0f; + if ((g.NavWindow->Flags & ImGuiWindowFlags_NoNavInputs) || g.NavWindowingTarget != NULL || g.NavLayer != 0) + return 0.0f; + + ImGuiWindow* window = g.NavWindow; + const bool page_up_held = IsKeyDown(g.IO.KeyMap[ImGuiKey_PageUp]) && !IsActiveIdUsingKey(ImGuiKey_PageUp); + const bool page_down_held = IsKeyDown(g.IO.KeyMap[ImGuiKey_PageDown]) && !IsActiveIdUsingKey(ImGuiKey_PageDown); + const bool home_pressed = IsKeyPressed(g.IO.KeyMap[ImGuiKey_Home]) && !IsActiveIdUsingKey(ImGuiKey_Home); + const bool end_pressed = IsKeyPressed(g.IO.KeyMap[ImGuiKey_End]) && !IsActiveIdUsingKey(ImGuiKey_End); + if (page_up_held != page_down_held || home_pressed != end_pressed) // If either (not both) are pressed + { + if (window->DC.NavLayerActiveMask == 0x00 && window->DC.NavHasScroll) + { + // Fallback manual-scroll when window has no navigable item + if (IsKeyPressed(g.IO.KeyMap[ImGuiKey_PageUp], true)) + SetScrollY(window, window->Scroll.y - window->InnerRect.GetHeight()); + else if (IsKeyPressed(g.IO.KeyMap[ImGuiKey_PageDown], true)) + SetScrollY(window, window->Scroll.y + window->InnerRect.GetHeight()); + else if (home_pressed) + SetScrollY(window, 0.0f); + else if (end_pressed) + SetScrollY(window, window->ScrollMax.y); + } + else + { + ImRect& nav_rect_rel = window->NavRectRel[g.NavLayer]; + const float page_offset_y = ImMax(0.0f, window->InnerRect.GetHeight() - window->CalcFontSize() * 1.0f + nav_rect_rel.GetHeight()); + float nav_scoring_rect_offset_y = 0.0f; + if (IsKeyPressed(g.IO.KeyMap[ImGuiKey_PageUp], true)) + { + nav_scoring_rect_offset_y = -page_offset_y; + g.NavMoveDir = ImGuiDir_Down; // Because our scoring rect is offset up, we request the down direction (so we can always land on the last item) + g.NavMoveClipDir = ImGuiDir_Up; + g.NavMoveRequestFlags = ImGuiNavMoveFlags_AllowCurrentNavId | ImGuiNavMoveFlags_AlsoScoreVisibleSet; + } + else if (IsKeyPressed(g.IO.KeyMap[ImGuiKey_PageDown], true)) + { + nav_scoring_rect_offset_y = +page_offset_y; + g.NavMoveDir = ImGuiDir_Up; // Because our scoring rect is offset down, we request the up direction (so we can always land on the last item) + g.NavMoveClipDir = ImGuiDir_Down; + g.NavMoveRequestFlags = ImGuiNavMoveFlags_AllowCurrentNavId | ImGuiNavMoveFlags_AlsoScoreVisibleSet; + } + else if (home_pressed) + { + // FIXME-NAV: handling of Home/End is assuming that the top/bottom most item will be visible with Scroll.y == 0/ScrollMax.y + // Scrolling will be handled via the ImGuiNavMoveFlags_ScrollToEdge flag, we don't scroll immediately to avoid scrolling happening before nav result. + // Preserve current horizontal position if we have any. + nav_rect_rel.Min.y = nav_rect_rel.Max.y = -window->Scroll.y; + if (nav_rect_rel.IsInverted()) + nav_rect_rel.Min.x = nav_rect_rel.Max.x = 0.0f; + g.NavMoveDir = ImGuiDir_Down; + g.NavMoveRequestFlags = ImGuiNavMoveFlags_AllowCurrentNavId | ImGuiNavMoveFlags_ScrollToEdge; + } + else if (end_pressed) + { + nav_rect_rel.Min.y = nav_rect_rel.Max.y = window->ScrollMax.y + window->SizeFull.y - window->Scroll.y; + if (nav_rect_rel.IsInverted()) + nav_rect_rel.Min.x = nav_rect_rel.Max.x = 0.0f; + g.NavMoveDir = ImGuiDir_Up; + g.NavMoveRequestFlags = ImGuiNavMoveFlags_AllowCurrentNavId | ImGuiNavMoveFlags_ScrollToEdge; + } + return nav_scoring_rect_offset_y; + } + } + return 0.0f; +} + +static int ImGui::FindWindowFocusIndex(ImGuiWindow* window) // FIXME-OPT O(N) +{ + ImGuiContext& g = *GImGui; + for (int i = g.WindowsFocusOrder.Size-1; i >= 0; i--) + if (g.WindowsFocusOrder[i] == window) + return i; + return -1; +} + +static ImGuiWindow* FindWindowNavFocusable(int i_start, int i_stop, int dir) // FIXME-OPT O(N) +{ + ImGuiContext& g = *GImGui; + for (int i = i_start; i >= 0 && i < g.WindowsFocusOrder.Size && i != i_stop; i += dir) + if (ImGui::IsWindowNavFocusable(g.WindowsFocusOrder[i])) + return g.WindowsFocusOrder[i]; + return NULL; +} + +static void NavUpdateWindowingHighlightWindow(int focus_change_dir) +{ + ImGuiContext& g = *GImGui; + IM_ASSERT(g.NavWindowingTarget); + if (g.NavWindowingTarget->Flags & ImGuiWindowFlags_Modal) + return; + + const int i_current = ImGui::FindWindowFocusIndex(g.NavWindowingTarget); + ImGuiWindow* window_target = FindWindowNavFocusable(i_current + focus_change_dir, -INT_MAX, focus_change_dir); + if (!window_target) + window_target = FindWindowNavFocusable((focus_change_dir < 0) ? (g.WindowsFocusOrder.Size - 1) : 0, i_current, focus_change_dir); + if (window_target) // Don't reset windowing target if there's a single window in the list + g.NavWindowingTarget = g.NavWindowingTargetAnim = window_target; + g.NavWindowingToggleLayer = false; +} + +// Windowing management mode +// Keyboard: CTRL+Tab (change focus/move/resize), Alt (toggle menu layer) +// Gamepad: Hold Menu/Square (change focus/move/resize), Tap Menu/Square (toggle menu layer) +static void ImGui::NavUpdateWindowing() +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* apply_focus_window = NULL; + bool apply_toggle_layer = false; + + ImGuiWindow* modal_window = GetTopMostPopupModal(); + if (modal_window != NULL) + { + g.NavWindowingTarget = NULL; + return; + } + + // Fade out + if (g.NavWindowingTargetAnim && g.NavWindowingTarget == NULL) + { + g.NavWindowingHighlightAlpha = ImMax(g.NavWindowingHighlightAlpha - g.IO.DeltaTime * 10.0f, 0.0f); + if (g.DimBgRatio <= 0.0f && g.NavWindowingHighlightAlpha <= 0.0f) + g.NavWindowingTargetAnim = NULL; + } + + // Start CTRL-TAB or Square+L/R window selection + bool start_windowing_with_gamepad = !g.NavWindowingTarget && IsNavInputTest(ImGuiNavInput_Menu, ImGuiInputReadMode_Pressed); + bool start_windowing_with_keyboard = !g.NavWindowingTarget && g.IO.KeyCtrl && IsKeyPressedMap(ImGuiKey_Tab) && (g.IO.ConfigFlags & ImGuiConfigFlags_NavEnableKeyboard); + if (start_windowing_with_gamepad || start_windowing_with_keyboard) + if (ImGuiWindow* window = g.NavWindow ? g.NavWindow : FindWindowNavFocusable(g.WindowsFocusOrder.Size - 1, -INT_MAX, -1)) + { + g.NavWindowingTarget = g.NavWindowingTargetAnim = window->RootWindow; // FIXME-DOCK: Will need to use RootWindowDockStop + g.NavWindowingTimer = g.NavWindowingHighlightAlpha = 0.0f; + g.NavWindowingToggleLayer = start_windowing_with_keyboard ? false : true; + g.NavInputSource = start_windowing_with_keyboard ? ImGuiInputSource_NavKeyboard : ImGuiInputSource_NavGamepad; + } + + // Gamepad update + g.NavWindowingTimer += g.IO.DeltaTime; + if (g.NavWindowingTarget && g.NavInputSource == ImGuiInputSource_NavGamepad) + { + // Highlight only appears after a brief time holding the button, so that a fast tap on PadMenu (to toggle NavLayer) doesn't add visual noise + g.NavWindowingHighlightAlpha = ImMax(g.NavWindowingHighlightAlpha, ImSaturate((g.NavWindowingTimer - NAV_WINDOWING_HIGHLIGHT_DELAY) / 0.05f)); + + // Select window to focus + const int focus_change_dir = (int)IsNavInputTest(ImGuiNavInput_FocusPrev, ImGuiInputReadMode_RepeatSlow) - (int)IsNavInputTest(ImGuiNavInput_FocusNext, ImGuiInputReadMode_RepeatSlow); + if (focus_change_dir != 0) + { + NavUpdateWindowingHighlightWindow(focus_change_dir); + g.NavWindowingHighlightAlpha = 1.0f; + } + + // Single press toggles NavLayer, long press with L/R apply actual focus on release (until then the window was merely rendered top-most) + if (!IsNavInputDown(ImGuiNavInput_Menu)) + { + g.NavWindowingToggleLayer &= (g.NavWindowingHighlightAlpha < 1.0f); // Once button was held long enough we don't consider it a tap-to-toggle-layer press anymore. + if (g.NavWindowingToggleLayer && g.NavWindow) + apply_toggle_layer = true; + else if (!g.NavWindowingToggleLayer) + apply_focus_window = g.NavWindowingTarget; + g.NavWindowingTarget = NULL; + } + } + + // Keyboard: Focus + if (g.NavWindowingTarget && g.NavInputSource == ImGuiInputSource_NavKeyboard) + { + // Visuals only appears after a brief time after pressing TAB the first time, so that a fast CTRL+TAB doesn't add visual noise + g.NavWindowingHighlightAlpha = ImMax(g.NavWindowingHighlightAlpha, ImSaturate((g.NavWindowingTimer - NAV_WINDOWING_HIGHLIGHT_DELAY) / 0.05f)); // 1.0f + if (IsKeyPressedMap(ImGuiKey_Tab, true)) + NavUpdateWindowingHighlightWindow(g.IO.KeyShift ? +1 : -1); + if (!g.IO.KeyCtrl) + apply_focus_window = g.NavWindowingTarget; + } + + // Keyboard: Press and Release ALT to toggle menu layer + // FIXME: We lack an explicit IO variable for "is the imgui window focused", so compare mouse validity to detect the common case of back-end clearing releases all keys on ALT-TAB + if (IsNavInputTest(ImGuiNavInput_KeyMenu_, ImGuiInputReadMode_Pressed)) + g.NavWindowingToggleLayer = true; + if ((g.ActiveId == 0 || g.ActiveIdAllowOverlap) && g.NavWindowingToggleLayer && IsNavInputTest(ImGuiNavInput_KeyMenu_, ImGuiInputReadMode_Released)) + if (IsMousePosValid(&g.IO.MousePos) == IsMousePosValid(&g.IO.MousePosPrev)) + apply_toggle_layer = true; + + // Move window + if (g.NavWindowingTarget && !(g.NavWindowingTarget->Flags & ImGuiWindowFlags_NoMove)) + { + ImVec2 move_delta; + if (g.NavInputSource == ImGuiInputSource_NavKeyboard && !g.IO.KeyShift) + move_delta = GetNavInputAmount2d(ImGuiNavDirSourceFlags_Keyboard, ImGuiInputReadMode_Down); + if (g.NavInputSource == ImGuiInputSource_NavGamepad) + move_delta = GetNavInputAmount2d(ImGuiNavDirSourceFlags_PadLStick, ImGuiInputReadMode_Down); + if (move_delta.x != 0.0f || move_delta.y != 0.0f) + { + const float NAV_MOVE_SPEED = 800.0f; + const float move_speed = ImFloor(NAV_MOVE_SPEED * g.IO.DeltaTime * ImMin(g.IO.DisplayFramebufferScale.x, g.IO.DisplayFramebufferScale.y)); // FIXME: Doesn't code variable framerate very well + SetWindowPos(g.NavWindowingTarget->RootWindow, g.NavWindowingTarget->RootWindow->Pos + move_delta * move_speed, ImGuiCond_Always); + g.NavDisableMouseHover = true; + MarkIniSettingsDirty(g.NavWindowingTarget); + } + } + + // Apply final focus + if (apply_focus_window && (g.NavWindow == NULL || apply_focus_window != g.NavWindow->RootWindow)) + { + ClearActiveID(); + g.NavDisableHighlight = false; + g.NavDisableMouseHover = true; + apply_focus_window = NavRestoreLastChildNavWindow(apply_focus_window); + ClosePopupsOverWindow(apply_focus_window, false); + FocusWindow(apply_focus_window); + if (apply_focus_window->NavLastIds[0] == 0) + NavInitWindow(apply_focus_window, false); + + // If the window only has a menu layer, select it directly + if (apply_focus_window->DC.NavLayerActiveMask == (1 << ImGuiNavLayer_Menu)) + g.NavLayer = ImGuiNavLayer_Menu; + } + if (apply_focus_window) + g.NavWindowingTarget = NULL; + + // Apply menu/layer toggle + if (apply_toggle_layer && g.NavWindow) + { + // Move to parent menu if necessary + ImGuiWindow* new_nav_window = g.NavWindow; + while (new_nav_window->ParentWindow + && (new_nav_window->DC.NavLayerActiveMask & (1 << ImGuiNavLayer_Menu)) == 0 + && (new_nav_window->Flags & ImGuiWindowFlags_ChildWindow) != 0 + && (new_nav_window->Flags & (ImGuiWindowFlags_Popup | ImGuiWindowFlags_ChildMenu)) == 0) + new_nav_window = new_nav_window->ParentWindow; + if (new_nav_window != g.NavWindow) + { + ImGuiWindow* old_nav_window = g.NavWindow; + FocusWindow(new_nav_window); + new_nav_window->NavLastChildNavWindow = old_nav_window; + } + g.NavDisableHighlight = false; + g.NavDisableMouseHover = true; + + // When entering a regular menu bar with the Alt key, we always reinitialize the navigation ID. + const ImGuiNavLayer new_nav_layer = (g.NavWindow->DC.NavLayerActiveMask & (1 << ImGuiNavLayer_Menu)) ? (ImGuiNavLayer)((int)g.NavLayer ^ 1) : ImGuiNavLayer_Main; + NavRestoreLayer(new_nav_layer); + } +} + +// Window has already passed the IsWindowNavFocusable() +static const char* GetFallbackWindowNameForWindowingList(ImGuiWindow* window) +{ + if (window->Flags & ImGuiWindowFlags_Popup) + return "(Popup)"; + if ((window->Flags & ImGuiWindowFlags_MenuBar) && strcmp(window->Name, "##MainMenuBar") == 0) + return "(Main menu bar)"; + return "(Untitled)"; +} + +// Overlay displayed when using CTRL+TAB. Called by EndFrame(). +void ImGui::NavUpdateWindowingOverlay() +{ + ImGuiContext& g = *GImGui; + IM_ASSERT(g.NavWindowingTarget != NULL); + + if (g.NavWindowingTimer < NAV_WINDOWING_LIST_APPEAR_DELAY) + return; + + if (g.NavWindowingList == NULL) + g.NavWindowingList = FindWindowByName("###NavWindowingList"); + SetNextWindowSizeConstraints(ImVec2(g.IO.DisplaySize.x * 0.20f, g.IO.DisplaySize.y * 0.20f), ImVec2(FLT_MAX, FLT_MAX)); + SetNextWindowPos(g.IO.DisplaySize * 0.5f, ImGuiCond_Always, ImVec2(0.5f, 0.5f)); + PushStyleVar(ImGuiStyleVar_WindowPadding, g.Style.WindowPadding * 2.0f); + Begin("###NavWindowingList", NULL, ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoFocusOnAppearing | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoInputs | ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoSavedSettings); + for (int n = g.WindowsFocusOrder.Size - 1; n >= 0; n--) + { + ImGuiWindow* window = g.WindowsFocusOrder[n]; + if (!IsWindowNavFocusable(window)) + continue; + const char* label = window->Name; + if (label == FindRenderedTextEnd(label)) + label = GetFallbackWindowNameForWindowingList(window); + Selectable(label, g.NavWindowingTarget == window); + } + End(); + PopStyleVar(); +} + +//----------------------------------------------------------------------------- +// [SECTION] DRAG AND DROP +//----------------------------------------------------------------------------- + +void ImGui::ClearDragDrop() +{ + ImGuiContext& g = *GImGui; + g.DragDropActive = false; + g.DragDropPayload.Clear(); + g.DragDropAcceptFlags = ImGuiDragDropFlags_None; + g.DragDropAcceptIdCurr = g.DragDropAcceptIdPrev = 0; + g.DragDropAcceptIdCurrRectSurface = FLT_MAX; + g.DragDropAcceptFrameCount = -1; + + g.DragDropPayloadBufHeap.clear(); + memset(&g.DragDropPayloadBufLocal, 0, sizeof(g.DragDropPayloadBufLocal)); +} + +// Call when current ID is active. +// When this returns true you need to: a) call SetDragDropPayload() exactly once, b) you may render the payload visual/description, c) call EndDragDropSource() +bool ImGui::BeginDragDropSource(ImGuiDragDropFlags flags) +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + + bool source_drag_active = false; + ImGuiID source_id = 0; + ImGuiID source_parent_id = 0; + ImGuiMouseButton mouse_button = ImGuiMouseButton_Left; + if (!(flags & ImGuiDragDropFlags_SourceExtern)) + { + source_id = window->DC.LastItemId; + if (source_id != 0 && g.ActiveId != source_id) // Early out for most common case + return false; + if (g.IO.MouseDown[mouse_button] == false) + return false; + + if (source_id == 0) + { + // If you want to use BeginDragDropSource() on an item with no unique identifier for interaction, such as Text() or Image(), you need to: + // A) Read the explanation below, B) Use the ImGuiDragDropFlags_SourceAllowNullID flag, C) Swallow your programmer pride. + if (!(flags & ImGuiDragDropFlags_SourceAllowNullID)) + { + IM_ASSERT(0); + return false; + } + + // Early out + if ((window->DC.LastItemStatusFlags & ImGuiItemStatusFlags_HoveredRect) == 0 && (g.ActiveId == 0 || g.ActiveIdWindow != window)) + return false; + + // Magic fallback (=somehow reprehensible) to handle items with no assigned ID, e.g. Text(), Image() + // We build a throwaway ID based on current ID stack + relative AABB of items in window. + // THE IDENTIFIER WON'T SURVIVE ANY REPOSITIONING OF THE WIDGET, so if your widget moves your dragging operation will be canceled. + // We don't need to maintain/call ClearActiveID() as releasing the button will early out this function and trigger !ActiveIdIsAlive. + source_id = window->DC.LastItemId = window->GetIDFromRectangle(window->DC.LastItemRect); + bool is_hovered = ItemHoverable(window->DC.LastItemRect, source_id); + if (is_hovered && g.IO.MouseClicked[mouse_button]) + { + SetActiveID(source_id, window); + FocusWindow(window); + } + if (g.ActiveId == source_id) // Allow the underlying widget to display/return hovered during the mouse release frame, else we would get a flicker. + g.ActiveIdAllowOverlap = is_hovered; + } + else + { + g.ActiveIdAllowOverlap = false; + } + if (g.ActiveId != source_id) + return false; + source_parent_id = window->IDStack.back(); + source_drag_active = IsMouseDragging(mouse_button); + + // Disable navigation and key inputs while dragging + g.ActiveIdUsingNavDirMask = ~(ImU32)0; + g.ActiveIdUsingNavInputMask = ~(ImU32)0; + g.ActiveIdUsingKeyInputMask = ~(ImU64)0; + } + else + { + window = NULL; + source_id = ImHashStr("#SourceExtern"); + source_drag_active = true; + } + + if (source_drag_active) + { + if (!g.DragDropActive) + { + IM_ASSERT(source_id != 0); + ClearDragDrop(); + ImGuiPayload& payload = g.DragDropPayload; + payload.SourceId = source_id; + payload.SourceParentId = source_parent_id; + g.DragDropActive = true; + g.DragDropSourceFlags = flags; + g.DragDropMouseButton = mouse_button; + } + g.DragDropSourceFrameCount = g.FrameCount; + g.DragDropWithinSource = true; + + if (!(flags & ImGuiDragDropFlags_SourceNoPreviewTooltip)) + { + // Target can request the Source to not display its tooltip (we use a dedicated flag to make this request explicit) + // We unfortunately can't just modify the source flags and skip the call to BeginTooltip, as caller may be emitting contents. + BeginTooltip(); + if (g.DragDropAcceptIdPrev && (g.DragDropAcceptFlags & ImGuiDragDropFlags_AcceptNoPreviewTooltip)) + { + ImGuiWindow* tooltip_window = g.CurrentWindow; + tooltip_window->SkipItems = true; + tooltip_window->HiddenFramesCanSkipItems = 1; + } + } + + if (!(flags & ImGuiDragDropFlags_SourceNoDisableHover) && !(flags & ImGuiDragDropFlags_SourceExtern)) + window->DC.LastItemStatusFlags &= ~ImGuiItemStatusFlags_HoveredRect; + + return true; + } + return false; +} + +void ImGui::EndDragDropSource() +{ + ImGuiContext& g = *GImGui; + IM_ASSERT(g.DragDropActive); + IM_ASSERT(g.DragDropWithinSource && "Not after a BeginDragDropSource()?"); + + if (!(g.DragDropSourceFlags & ImGuiDragDropFlags_SourceNoPreviewTooltip)) + EndTooltip(); + + // Discard the drag if have not called SetDragDropPayload() + if (g.DragDropPayload.DataFrameCount == -1) + ClearDragDrop(); + g.DragDropWithinSource = false; +} + +// Use 'cond' to choose to submit payload on drag start or every frame +bool ImGui::SetDragDropPayload(const char* type, const void* data, size_t data_size, ImGuiCond cond) +{ + ImGuiContext& g = *GImGui; + ImGuiPayload& payload = g.DragDropPayload; + if (cond == 0) + cond = ImGuiCond_Always; + + IM_ASSERT(type != NULL); + IM_ASSERT(strlen(type) < IM_ARRAYSIZE(payload.DataType) && "Payload type can be at most 32 characters long"); + IM_ASSERT((data != NULL && data_size > 0) || (data == NULL && data_size == 0)); + IM_ASSERT(cond == ImGuiCond_Always || cond == ImGuiCond_Once); + IM_ASSERT(payload.SourceId != 0); // Not called between BeginDragDropSource() and EndDragDropSource() + + if (cond == ImGuiCond_Always || payload.DataFrameCount == -1) + { + // Copy payload + ImStrncpy(payload.DataType, type, IM_ARRAYSIZE(payload.DataType)); + g.DragDropPayloadBufHeap.resize(0); + if (data_size > sizeof(g.DragDropPayloadBufLocal)) + { + // Store in heap + g.DragDropPayloadBufHeap.resize((int)data_size); + payload.Data = g.DragDropPayloadBufHeap.Data; + memcpy(payload.Data, data, data_size); + } + else if (data_size > 0) + { + // Store locally + memset(&g.DragDropPayloadBufLocal, 0, sizeof(g.DragDropPayloadBufLocal)); + payload.Data = g.DragDropPayloadBufLocal; + memcpy(payload.Data, data, data_size); + } + else + { + payload.Data = NULL; + } + payload.DataSize = (int)data_size; + } + payload.DataFrameCount = g.FrameCount; + + return (g.DragDropAcceptFrameCount == g.FrameCount) || (g.DragDropAcceptFrameCount == g.FrameCount - 1); +} + +bool ImGui::BeginDragDropTargetCustom(const ImRect& bb, ImGuiID id) +{ + ImGuiContext& g = *GImGui; + if (!g.DragDropActive) + return false; + + ImGuiWindow* window = g.CurrentWindow; + if (g.HoveredWindow == NULL || window->RootWindow != g.HoveredWindow->RootWindow) + return false; + IM_ASSERT(id != 0); + if (!IsMouseHoveringRect(bb.Min, bb.Max) || (id == g.DragDropPayload.SourceId)) + return false; + if (window->SkipItems) + return false; + + IM_ASSERT(g.DragDropWithinTarget == false); + g.DragDropTargetRect = bb; + g.DragDropTargetId = id; + g.DragDropWithinTarget = true; + return true; +} + +// We don't use BeginDragDropTargetCustom() and duplicate its code because: +// 1) we use LastItemRectHoveredRect which handles items that pushes a temporarily clip rectangle in their code. Calling BeginDragDropTargetCustom(LastItemRect) would not handle them. +// 2) and it's faster. as this code may be very frequently called, we want to early out as fast as we can. +// Also note how the HoveredWindow test is positioned differently in both functions (in both functions we optimize for the cheapest early out case) +bool ImGui::BeginDragDropTarget() +{ + ImGuiContext& g = *GImGui; + if (!g.DragDropActive) + return false; + + ImGuiWindow* window = g.CurrentWindow; + if (!(window->DC.LastItemStatusFlags & ImGuiItemStatusFlags_HoveredRect)) + return false; + if (g.HoveredWindow == NULL || window->RootWindow != g.HoveredWindow->RootWindow) + return false; + + const ImRect& display_rect = (window->DC.LastItemStatusFlags & ImGuiItemStatusFlags_HasDisplayRect) ? window->DC.LastItemDisplayRect : window->DC.LastItemRect; + ImGuiID id = window->DC.LastItemId; + if (id == 0) + id = window->GetIDFromRectangle(display_rect); + if (g.DragDropPayload.SourceId == id) + return false; + + IM_ASSERT(g.DragDropWithinTarget == false); + g.DragDropTargetRect = display_rect; + g.DragDropTargetId = id; + g.DragDropWithinTarget = true; + return true; +} + +bool ImGui::IsDragDropPayloadBeingAccepted() +{ + ImGuiContext& g = *GImGui; + return g.DragDropActive && g.DragDropAcceptIdPrev != 0; +} + +const ImGuiPayload* ImGui::AcceptDragDropPayload(const char* type, ImGuiDragDropFlags flags) +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + ImGuiPayload& payload = g.DragDropPayload; + IM_ASSERT(g.DragDropActive); // Not called between BeginDragDropTarget() and EndDragDropTarget() ? + IM_ASSERT(payload.DataFrameCount != -1); // Forgot to call EndDragDropTarget() ? + if (type != NULL && !payload.IsDataType(type)) + return NULL; + + // Accept smallest drag target bounding box, this allows us to nest drag targets conveniently without ordering constraints. + // NB: We currently accept NULL id as target. However, overlapping targets requires a unique ID to function! + const bool was_accepted_previously = (g.DragDropAcceptIdPrev == g.DragDropTargetId); + ImRect r = g.DragDropTargetRect; + float r_surface = r.GetWidth() * r.GetHeight(); + if (r_surface < g.DragDropAcceptIdCurrRectSurface) + { + g.DragDropAcceptFlags = flags; + g.DragDropAcceptIdCurr = g.DragDropTargetId; + g.DragDropAcceptIdCurrRectSurface = r_surface; + } + + // Render default drop visuals + payload.Preview = was_accepted_previously; + flags |= (g.DragDropSourceFlags & ImGuiDragDropFlags_AcceptNoDrawDefaultRect); // Source can also inhibit the preview (useful for external sources that lives for 1 frame) + if (!(flags & ImGuiDragDropFlags_AcceptNoDrawDefaultRect) && payload.Preview) + { + // FIXME-DRAG: Settle on a proper default visuals for drop target. + r.Expand(3.5f); + bool push_clip_rect = !window->ClipRect.Contains(r); + if (push_clip_rect) window->DrawList->PushClipRect(r.Min-ImVec2(1,1), r.Max+ImVec2(1,1)); + window->DrawList->AddRect(r.Min, r.Max, GetColorU32(ImGuiCol_DragDropTarget), 0.0f, ~0, 2.0f); + if (push_clip_rect) window->DrawList->PopClipRect(); + } + + g.DragDropAcceptFrameCount = g.FrameCount; + payload.Delivery = was_accepted_previously && !IsMouseDown(g.DragDropMouseButton); // For extern drag sources affecting os window focus, it's easier to just test !IsMouseDown() instead of IsMouseReleased() + if (!payload.Delivery && !(flags & ImGuiDragDropFlags_AcceptBeforeDelivery)) + return NULL; + + return &payload; +} + +const ImGuiPayload* ImGui::GetDragDropPayload() +{ + ImGuiContext& g = *GImGui; + return g.DragDropActive ? &g.DragDropPayload : NULL; +} + +// We don't really use/need this now, but added it for the sake of consistency and because we might need it later. +void ImGui::EndDragDropTarget() +{ + ImGuiContext& g = *GImGui; + IM_ASSERT(g.DragDropActive); + IM_ASSERT(g.DragDropWithinTarget); + g.DragDropWithinTarget = false; +} + +//----------------------------------------------------------------------------- +// [SECTION] LOGGING/CAPTURING +//----------------------------------------------------------------------------- +// All text output from the interface can be captured into tty/file/clipboard. +// By default, tree nodes are automatically opened during logging. +//----------------------------------------------------------------------------- + +// Pass text data straight to log (without being displayed) +void ImGui::LogText(const char* fmt, ...) +{ + ImGuiContext& g = *GImGui; + if (!g.LogEnabled) + return; + + va_list args; + va_start(args, fmt); + if (g.LogFile) + { + g.LogBuffer.Buf.resize(0); + g.LogBuffer.appendfv(fmt, args); + ImFileWrite(g.LogBuffer.c_str(), sizeof(char), (ImU64)g.LogBuffer.size(), g.LogFile); + } + else + { + g.LogBuffer.appendfv(fmt, args); + } + va_end(args); +} + +// Internal version that takes a position to decide on newline placement and pad items according to their depth. +// We split text into individual lines to add current tree level padding +void ImGui::LogRenderedText(const ImVec2* ref_pos, const char* text, const char* text_end) +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + + if (!text_end) + text_end = FindRenderedTextEnd(text, text_end); + + const bool log_new_line = ref_pos && (ref_pos->y > g.LogLinePosY + 1); + if (ref_pos) + g.LogLinePosY = ref_pos->y; + if (log_new_line) + g.LogLineFirstItem = true; + + const char* text_remaining = text; + if (g.LogDepthRef > window->DC.TreeDepth) // Re-adjust padding if we have popped out of our starting depth + g.LogDepthRef = window->DC.TreeDepth; + const int tree_depth = (window->DC.TreeDepth - g.LogDepthRef); + for (;;) + { + // Split the string. Each new line (after a '\n') is followed by spacing corresponding to the current depth of our log entry. + // We don't add a trailing \n to allow a subsequent item on the same line to be captured. + const char* line_start = text_remaining; + const char* line_end = ImStreolRange(line_start, text_end); + const bool is_first_line = (line_start == text); + const bool is_last_line = (line_end == text_end); + if (!is_last_line || (line_start != line_end)) + { + const int char_count = (int)(line_end - line_start); + if (log_new_line || !is_first_line) + LogText(IM_NEWLINE "%*s%.*s", tree_depth * 4, "", char_count, line_start); + else if (g.LogLineFirstItem) + LogText("%*s%.*s", tree_depth * 4, "", char_count, line_start); + else + LogText(" %.*s", char_count, line_start); + g.LogLineFirstItem = false; + } + else if (log_new_line) + { + // An empty "" string at a different Y position should output a carriage return. + LogText(IM_NEWLINE); + break; + } + + if (is_last_line) + break; + text_remaining = line_end + 1; + } +} + +// Start logging/capturing text output +void ImGui::LogBegin(ImGuiLogType type, int auto_open_depth) +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + IM_ASSERT(g.LogEnabled == false); + IM_ASSERT(g.LogFile == NULL); + IM_ASSERT(g.LogBuffer.empty()); + g.LogEnabled = true; + g.LogType = type; + g.LogDepthRef = window->DC.TreeDepth; + g.LogDepthToExpand = ((auto_open_depth >= 0) ? auto_open_depth : g.LogDepthToExpandDefault); + g.LogLinePosY = FLT_MAX; + g.LogLineFirstItem = true; +} + +void ImGui::LogToTTY(int auto_open_depth) +{ + ImGuiContext& g = *GImGui; + if (g.LogEnabled) + return; + IM_UNUSED(auto_open_depth); +#ifndef IMGUI_DISABLE_TTY_FUNCTIONS + LogBegin(ImGuiLogType_TTY, auto_open_depth); + g.LogFile = stdout; +#endif +} + +// Start logging/capturing text output to given file +void ImGui::LogToFile(int auto_open_depth, const char* filename) +{ + ImGuiContext& g = *GImGui; + if (g.LogEnabled) + return; + + // FIXME: We could probably open the file in text mode "at", however note that clipboard/buffer logging will still + // be subject to outputting OS-incompatible carriage return if within strings the user doesn't use IM_NEWLINE. + // By opening the file in binary mode "ab" we have consistent output everywhere. + if (!filename) + filename = g.IO.LogFilename; + if (!filename || !filename[0]) + return; + ImFileHandle f = ImFileOpen(filename, "ab"); + if (!f) + { + IM_ASSERT(0); + return; + } + + LogBegin(ImGuiLogType_File, auto_open_depth); + g.LogFile = f; +} + +// Start logging/capturing text output to clipboard +void ImGui::LogToClipboard(int auto_open_depth) +{ + ImGuiContext& g = *GImGui; + if (g.LogEnabled) + return; + LogBegin(ImGuiLogType_Clipboard, auto_open_depth); +} + +void ImGui::LogToBuffer(int auto_open_depth) +{ + ImGuiContext& g = *GImGui; + if (g.LogEnabled) + return; + LogBegin(ImGuiLogType_Buffer, auto_open_depth); +} + +void ImGui::LogFinish() +{ + ImGuiContext& g = *GImGui; + if (!g.LogEnabled) + return; + + LogText(IM_NEWLINE); + switch (g.LogType) + { + case ImGuiLogType_TTY: +#ifndef IMGUI_DISABLE_TTY_FUNCTIONS + fflush(g.LogFile); +#endif + break; + case ImGuiLogType_File: + ImFileClose(g.LogFile); + break; + case ImGuiLogType_Buffer: + break; + case ImGuiLogType_Clipboard: + if (!g.LogBuffer.empty()) + SetClipboardText(g.LogBuffer.begin()); + break; + case ImGuiLogType_None: + IM_ASSERT(0); + break; + } + + g.LogEnabled = false; + g.LogType = ImGuiLogType_None; + g.LogFile = NULL; + g.LogBuffer.clear(); +} + +// Helper to display logging buttons +// FIXME-OBSOLETE: We should probably obsolete this and let the user have their own helper (this is one of the oldest function alive!) +void ImGui::LogButtons() +{ + ImGuiContext& g = *GImGui; + + PushID("LogButtons"); +#ifndef IMGUI_DISABLE_TTY_FUNCTIONS + const bool log_to_tty = Button("Log To TTY"); SameLine(); +#else + const bool log_to_tty = false; +#endif + const bool log_to_file = Button("Log To File"); SameLine(); + const bool log_to_clipboard = Button("Log To Clipboard"); SameLine(); + PushAllowKeyboardFocus(false); + SetNextItemWidth(80.0f); + SliderInt("Default Depth", &g.LogDepthToExpandDefault, 0, 9, NULL); + PopAllowKeyboardFocus(); + PopID(); + + // Start logging at the end of the function so that the buttons don't appear in the log + if (log_to_tty) + LogToTTY(); + if (log_to_file) + LogToFile(); + if (log_to_clipboard) + LogToClipboard(); +} + +//----------------------------------------------------------------------------- +// [SECTION] SETTINGS +//----------------------------------------------------------------------------- + +// Called by NewFrame() +void ImGui::UpdateSettings() +{ + // Load settings on first frame (if not explicitly loaded manually before) + ImGuiContext& g = *GImGui; + if (!g.SettingsLoaded) + { + IM_ASSERT(g.SettingsWindows.empty()); + if (g.IO.IniFilename) + LoadIniSettingsFromDisk(g.IO.IniFilename); + g.SettingsLoaded = true; + } + + // Save settings (with a delay after the last modification, so we don't spam disk too much) + if (g.SettingsDirtyTimer > 0.0f) + { + g.SettingsDirtyTimer -= g.IO.DeltaTime; + if (g.SettingsDirtyTimer <= 0.0f) + { + if (g.IO.IniFilename != NULL) + SaveIniSettingsToDisk(g.IO.IniFilename); + else + g.IO.WantSaveIniSettings = true; // Let user know they can call SaveIniSettingsToMemory(). user will need to clear io.WantSaveIniSettings themselves. + g.SettingsDirtyTimer = 0.0f; + } + } +} + +void ImGui::MarkIniSettingsDirty() +{ + ImGuiContext& g = *GImGui; + if (g.SettingsDirtyTimer <= 0.0f) + g.SettingsDirtyTimer = g.IO.IniSavingRate; +} + +void ImGui::MarkIniSettingsDirty(ImGuiWindow* window) +{ + ImGuiContext& g = *GImGui; + if (!(window->Flags & ImGuiWindowFlags_NoSavedSettings)) + if (g.SettingsDirtyTimer <= 0.0f) + g.SettingsDirtyTimer = g.IO.IniSavingRate; +} + +ImGuiWindowSettings* ImGui::CreateNewWindowSettings(const char* name) +{ + ImGuiContext& g = *GImGui; + +#if !IMGUI_DEBUG_INI_SETTINGS + // Skip to the "###" marker if any. We don't skip past to match the behavior of GetID() + // Preserve the full string when IMGUI_DEBUG_INI_SETTINGS is set to make .ini inspection easier. + if (const char* p = strstr(name, "###")) + name = p; +#endif + const size_t name_len = strlen(name); + + // Allocate chunk + const size_t chunk_size = sizeof(ImGuiWindowSettings) + name_len + 1; + ImGuiWindowSettings* settings = g.SettingsWindows.alloc_chunk(chunk_size); + IM_PLACEMENT_NEW(settings) ImGuiWindowSettings(); + settings->ID = ImHashStr(name, name_len); + memcpy(settings->GetName(), name, name_len + 1); // Store with zero terminator + + return settings; +} + +ImGuiWindowSettings* ImGui::FindWindowSettings(ImGuiID id) +{ + ImGuiContext& g = *GImGui; + for (ImGuiWindowSettings* settings = g.SettingsWindows.begin(); settings != NULL; settings = g.SettingsWindows.next_chunk(settings)) + if (settings->ID == id) + return settings; + return NULL; +} + +ImGuiWindowSettings* ImGui::FindOrCreateWindowSettings(const char* name) +{ + if (ImGuiWindowSettings* settings = FindWindowSettings(ImHashStr(name))) + return settings; + return CreateNewWindowSettings(name); +} + +void ImGui::LoadIniSettingsFromDisk(const char* ini_filename) +{ + size_t file_data_size = 0; + char* file_data = (char*)ImFileLoadToMemory(ini_filename, "rb", &file_data_size); + if (!file_data) + return; + LoadIniSettingsFromMemory(file_data, (size_t)file_data_size); + IM_FREE(file_data); +} + +ImGuiSettingsHandler* ImGui::FindSettingsHandler(const char* type_name) +{ + ImGuiContext& g = *GImGui; + const ImGuiID type_hash = ImHashStr(type_name); + for (int handler_n = 0; handler_n < g.SettingsHandlers.Size; handler_n++) + if (g.SettingsHandlers[handler_n].TypeHash == type_hash) + return &g.SettingsHandlers[handler_n]; + return NULL; +} + +// Zero-tolerance, no error reporting, cheap .ini parsing +void ImGui::LoadIniSettingsFromMemory(const char* ini_data, size_t ini_size) +{ + ImGuiContext& g = *GImGui; + IM_ASSERT(g.Initialized); + IM_ASSERT(g.SettingsLoaded == false && g.FrameCount == 0); + + // For user convenience, we allow passing a non zero-terminated string (hence the ini_size parameter). + // For our convenience and to make the code simpler, we'll also write zero-terminators within the buffer. So let's create a writable copy.. + if (ini_size == 0) + ini_size = strlen(ini_data); + char* buf = (char*)IM_ALLOC(ini_size + 1); + char* buf_end = buf + ini_size; + memcpy(buf, ini_data, ini_size); + buf[ini_size] = 0; + + void* entry_data = NULL; + ImGuiSettingsHandler* entry_handler = NULL; + + char* line_end = NULL; + for (char* line = buf; line < buf_end; line = line_end + 1) + { + // Skip new lines markers, then find end of the line + while (*line == '\n' || *line == '\r') + line++; + line_end = line; + while (line_end < buf_end && *line_end != '\n' && *line_end != '\r') + line_end++; + line_end[0] = 0; + if (line[0] == ';') + continue; + if (line[0] == '[' && line_end > line && line_end[-1] == ']') + { + // Parse "[Type][Name]". Note that 'Name' can itself contains [] characters, which is acceptable with the current format and parsing code. + line_end[-1] = 0; + const char* name_end = line_end - 1; + const char* type_start = line + 1; + char* type_end = (char*)(void*)ImStrchrRange(type_start, name_end, ']'); + const char* name_start = type_end ? ImStrchrRange(type_end + 1, name_end, '[') : NULL; + if (!type_end || !name_start) + continue; + *type_end = 0; // Overwrite first ']' + name_start++; // Skip second '[' + entry_handler = FindSettingsHandler(type_start); + entry_data = entry_handler ? entry_handler->ReadOpenFn(&g, entry_handler, name_start) : NULL; + } + else if (entry_handler != NULL && entry_data != NULL) + { + // Let type handler parse the line + entry_handler->ReadLineFn(&g, entry_handler, entry_data, line); + } + } + IM_FREE(buf); + g.SettingsLoaded = true; +} + +void ImGui::SaveIniSettingsToDisk(const char* ini_filename) +{ + ImGuiContext& g = *GImGui; + g.SettingsDirtyTimer = 0.0f; + if (!ini_filename) + return; + + size_t ini_data_size = 0; + const char* ini_data = SaveIniSettingsToMemory(&ini_data_size); + ImFileHandle f = ImFileOpen(ini_filename, "wt"); + if (!f) + return; + ImFileWrite(ini_data, sizeof(char), ini_data_size, f); + ImFileClose(f); +} + +// Call registered handlers (e.g. SettingsHandlerWindow_WriteAll() + custom handlers) to write their stuff into a text buffer +const char* ImGui::SaveIniSettingsToMemory(size_t* out_size) +{ + ImGuiContext& g = *GImGui; + g.SettingsDirtyTimer = 0.0f; + g.SettingsIniData.Buf.resize(0); + g.SettingsIniData.Buf.push_back(0); + for (int handler_n = 0; handler_n < g.SettingsHandlers.Size; handler_n++) + { + ImGuiSettingsHandler* handler = &g.SettingsHandlers[handler_n]; + handler->WriteAllFn(&g, handler, &g.SettingsIniData); + } + if (out_size) + *out_size = (size_t)g.SettingsIniData.size(); + return g.SettingsIniData.c_str(); +} + +static void* WindowSettingsHandler_ReadOpen(ImGuiContext*, ImGuiSettingsHandler*, const char* name) +{ + ImGuiWindowSettings* settings = ImGui::FindWindowSettings(ImHashStr(name)); + if (!settings) + settings = ImGui::CreateNewWindowSettings(name); + return (void*)settings; +} + +static void WindowSettingsHandler_ReadLine(ImGuiContext*, ImGuiSettingsHandler*, void* entry, const char* line) +{ + ImGuiWindowSettings* settings = (ImGuiWindowSettings*)entry; + int x, y; + int i; + if (sscanf(line, "Pos=%i,%i", &x, &y) == 2) settings->Pos = ImVec2ih((short)x, (short)y); + else if (sscanf(line, "Size=%i,%i", &x, &y) == 2) settings->Size = ImVec2ih((short)x, (short)y); + else if (sscanf(line, "Collapsed=%d", &i) == 1) settings->Collapsed = (i != 0); +} + +static void WindowSettingsHandler_WriteAll(ImGuiContext* ctx, ImGuiSettingsHandler* handler, ImGuiTextBuffer* buf) +{ + // Gather data from windows that were active during this session + // (if a window wasn't opened in this session we preserve its settings) + ImGuiContext& g = *ctx; + for (int i = 0; i != g.Windows.Size; i++) + { + ImGuiWindow* window = g.Windows[i]; + if (window->Flags & ImGuiWindowFlags_NoSavedSettings) + continue; + + ImGuiWindowSettings* settings = (window->SettingsOffset != -1) ? g.SettingsWindows.ptr_from_offset(window->SettingsOffset) : ImGui::FindWindowSettings(window->ID); + if (!settings) + { + settings = ImGui::CreateNewWindowSettings(window->Name); + window->SettingsOffset = g.SettingsWindows.offset_from_ptr(settings); + } + IM_ASSERT(settings->ID == window->ID); + settings->Pos = ImVec2ih((short)window->Pos.x, (short)window->Pos.y); + settings->Size = ImVec2ih((short)window->SizeFull.x, (short)window->SizeFull.y); + settings->Collapsed = window->Collapsed; + } + + // Write to text buffer + buf->reserve(buf->size() + g.SettingsWindows.size() * 6); // ballpark reserve + for (ImGuiWindowSettings* settings = g.SettingsWindows.begin(); settings != NULL; settings = g.SettingsWindows.next_chunk(settings)) + { + const char* settings_name = settings->GetName(); + buf->appendf("[%s][%s]\n", handler->TypeName, settings_name); + buf->appendf("Pos=%d,%d\n", settings->Pos.x, settings->Pos.y); + buf->appendf("Size=%d,%d\n", settings->Size.x, settings->Size.y); + buf->appendf("Collapsed=%d\n", settings->Collapsed); + buf->append("\n"); + } +} + + +//----------------------------------------------------------------------------- +// [SECTION] VIEWPORTS, PLATFORM WINDOWS +//----------------------------------------------------------------------------- + +// (this section is filled in the 'docking' branch) + + +//----------------------------------------------------------------------------- +// [SECTION] DOCKING +//----------------------------------------------------------------------------- + +// (this section is filled in the 'docking' branch) + + +//----------------------------------------------------------------------------- +// [SECTION] PLATFORM DEPENDENT HELPERS +//----------------------------------------------------------------------------- + +#if defined(_WIN32) && !defined(IMGUI_DISABLE_WIN32_FUNCTIONS) && !defined(IMGUI_DISABLE_WIN32_DEFAULT_CLIPBOARD_FUNCTIONS) + +#ifdef _MSC_VER +#pragma comment(lib, "user32") +#pragma comment(lib, "kernel32") +#endif + +// Win32 clipboard implementation +static const char* GetClipboardTextFn_DefaultImpl(void*) +{ + static ImVector buf_local; + buf_local.clear(); + if (!::OpenClipboard(NULL)) + return NULL; + HANDLE wbuf_handle = ::GetClipboardData(CF_UNICODETEXT); + if (wbuf_handle == NULL) + { + ::CloseClipboard(); + return NULL; + } + if (const WCHAR* wbuf_global = (const WCHAR*)::GlobalLock(wbuf_handle)) + { + int buf_len = ::WideCharToMultiByte(CP_UTF8, 0, wbuf_global, -1, NULL, 0, NULL, NULL); + buf_local.resize(buf_len); + ::WideCharToMultiByte(CP_UTF8, 0, wbuf_global, -1, buf_local.Data, buf_len, NULL, NULL); + } + ::GlobalUnlock(wbuf_handle); + ::CloseClipboard(); + return buf_local.Data; +} + +static void SetClipboardTextFn_DefaultImpl(void*, const char* text) +{ + if (!::OpenClipboard(NULL)) + return; + const int wbuf_length = ::MultiByteToWideChar(CP_UTF8, 0, text, -1, NULL, 0); + HGLOBAL wbuf_handle = ::GlobalAlloc(GMEM_MOVEABLE, (SIZE_T)wbuf_length * sizeof(WCHAR)); + if (wbuf_handle == NULL) + { + ::CloseClipboard(); + return; + } + WCHAR* wbuf_global = (WCHAR*)::GlobalLock(wbuf_handle); + ::MultiByteToWideChar(CP_UTF8, 0, text, -1, wbuf_global, wbuf_length); + ::GlobalUnlock(wbuf_handle); + ::EmptyClipboard(); + if (::SetClipboardData(CF_UNICODETEXT, wbuf_handle) == NULL) + ::GlobalFree(wbuf_handle); + ::CloseClipboard(); +} + +#elif defined(__APPLE__) && TARGET_OS_OSX && defined(IMGUI_ENABLE_OSX_DEFAULT_CLIPBOARD_FUNCTIONS) + +#include // Use old API to avoid need for separate .mm file +static PasteboardRef main_clipboard = 0; + +// OSX clipboard implementation +// If you enable this you will need to add '-framework ApplicationServices' to your linker command-line! +static void SetClipboardTextFn_DefaultImpl(void*, const char* text) +{ + if (!main_clipboard) + PasteboardCreate(kPasteboardClipboard, &main_clipboard); + PasteboardClear(main_clipboard); + CFDataRef cf_data = CFDataCreate(kCFAllocatorDefault, (const UInt8*)text, strlen(text)); + if (cf_data) + { + PasteboardPutItemFlavor(main_clipboard, (PasteboardItemID)1, CFSTR("public.utf8-plain-text"), cf_data, 0); + CFRelease(cf_data); + } +} + +static const char* GetClipboardTextFn_DefaultImpl(void*) +{ + if (!main_clipboard) + PasteboardCreate(kPasteboardClipboard, &main_clipboard); + PasteboardSynchronize(main_clipboard); + + ItemCount item_count = 0; + PasteboardGetItemCount(main_clipboard, &item_count); + for (ItemCount i = 0; i < item_count; i++) + { + PasteboardItemID item_id = 0; + PasteboardGetItemIdentifier(main_clipboard, i + 1, &item_id); + CFArrayRef flavor_type_array = 0; + PasteboardCopyItemFlavors(main_clipboard, item_id, &flavor_type_array); + for (CFIndex j = 0, nj = CFArrayGetCount(flavor_type_array); j < nj; j++) + { + CFDataRef cf_data; + if (PasteboardCopyItemFlavorData(main_clipboard, item_id, CFSTR("public.utf8-plain-text"), &cf_data) == noErr) + { + static ImVector clipboard_text; + int length = (int)CFDataGetLength(cf_data); + clipboard_text.resize(length + 1); + CFDataGetBytes(cf_data, CFRangeMake(0, length), (UInt8*)clipboard_text.Data); + clipboard_text[length] = 0; + CFRelease(cf_data); + return clipboard_text.Data; + } + } + } + return NULL; +} + +#else + +// Local Dear ImGui-only clipboard implementation, if user hasn't defined better clipboard handlers. +static const char* GetClipboardTextFn_DefaultImpl(void*) +{ + ImGuiContext& g = *GImGui; + return g.PrivateClipboard.empty() ? NULL : g.PrivateClipboard.begin(); +} + +static void SetClipboardTextFn_DefaultImpl(void*, const char* text) +{ + ImGuiContext& g = *GImGui; + g.PrivateClipboard.clear(); + const char* text_end = text + strlen(text); + g.PrivateClipboard.resize((int)(text_end - text) + 1); + memcpy(&g.PrivateClipboard[0], text, (size_t)(text_end - text)); + g.PrivateClipboard[(int)(text_end - text)] = 0; +} + +#endif + +// Win32 API IME support (for Asian languages, etc.) +#if defined(_WIN32) && !defined(__GNUC__) && !defined(IMGUI_DISABLE_WIN32_FUNCTIONS) && !defined(IMGUI_DISABLE_WIN32_DEFAULT_IME_FUNCTIONS) + +#include +#ifdef _MSC_VER +#pragma comment(lib, "imm32") +#endif + +static void ImeSetInputScreenPosFn_DefaultImpl(int x, int y) +{ + // Notify OS Input Method Editor of text input position + ImGuiIO& io = ImGui::GetIO(); + if (HWND hwnd = (HWND)io.ImeWindowHandle) + if (HIMC himc = ::ImmGetContext(hwnd)) + { + COMPOSITIONFORM cf; + cf.ptCurrentPos.x = x; + cf.ptCurrentPos.y = y; + cf.dwStyle = CFS_FORCE_POSITION; + ::ImmSetCompositionWindow(himc, &cf); + ::ImmReleaseContext(hwnd, himc); + } +} + +#else + +static void ImeSetInputScreenPosFn_DefaultImpl(int, int) {} + +#endif + +//----------------------------------------------------------------------------- +// [SECTION] METRICS/DEBUG WINDOW +//----------------------------------------------------------------------------- + +#ifndef IMGUI_DISABLE_METRICS_WINDOW +// Avoid naming collision with imgui_demo.cpp's HelpMarker() for unity builds. +static void MetricsHelpMarker(const char* desc) +{ + ImGui::TextDisabled("(?)"); + if (ImGui::IsItemHovered()) + { + ImGui::BeginTooltip(); + ImGui::PushTextWrapPos(ImGui::GetFontSize() * 35.0f); + ImGui::TextUnformatted(desc); + ImGui::PopTextWrapPos(); + ImGui::EndTooltip(); + } +} + +void ImGui::ShowMetricsWindow(bool* p_open) +{ + if (!ImGui::Begin("Dear ImGui Metrics", p_open)) + { + ImGui::End(); + return; + } + + // Debugging enums + enum { WRT_OuterRect, WRT_OuterRectClipped, WRT_InnerRect, WRT_InnerClipRect, WRT_WorkRect, WRT_Content, WRT_ContentRegionRect, WRT_Count }; // Windows Rect Type + const char* wrt_rects_names[WRT_Count] = { "OuterRect", "OuterRectClipped", "InnerRect", "InnerClipRect", "WorkRect", "Content", "ContentRegionRect" }; + enum { TRT_OuterRect, TRT_WorkRect, TRT_HostClipRect, TRT_InnerClipRect, TRT_BackgroundClipRect, TRT_ColumnsRect, TRT_ColumnsClipRect, TRT_ColumnsContentHeadersUsed, TRT_ColumnsContentHeadersDesired, TRT_ColumnsContentRowsFrozen, TRT_ColumnsContentRowsUnfrozen, TRT_Count }; // Tables Rect Type + const char* trt_rects_names[TRT_Count] = { "OuterRect", "WorkRect", "HostClipRect", "InnerClipRect", "BackgroundClipRect", "ColumnsRect", "ColumnsClipRect", "ColumnsContentHeadersUsed", "ColumnsContentHeadersDesired", "ColumnsContentRowsFrozen", "ColumnsContentRowsUnfrozen" }; + + // State + static bool show_windows_rects = false; + static int show_windows_rect_type = WRT_WorkRect; + static bool show_windows_begin_order = false; + static bool show_tables_rects = false; + static int show_tables_rect_type = TRT_WorkRect; + static bool show_drawcmd_details = true; + + // Basic info + ImGuiContext& g = *GImGui; + ImGuiIO& io = ImGui::GetIO(); + ImGui::Text("Dear ImGui %s", ImGui::GetVersion()); + ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / io.Framerate, io.Framerate); + ImGui::Text("%d vertices, %d indices (%d triangles)", io.MetricsRenderVertices, io.MetricsRenderIndices, io.MetricsRenderIndices / 3); + ImGui::Text("%d active windows (%d visible)", io.MetricsActiveWindows, io.MetricsRenderWindows); + ImGui::Text("%d active allocations", io.MetricsActiveAllocations); + ImGui::Separator(); + + // Helper functions to display common structures: + // - NodeDrawList() + // - NodeColumns() + // - NodeWindow() + // - NodeWindows() + // - NodeTabBar() + // - NodeStorage() + struct Funcs + { + static ImRect GetWindowRect(ImGuiWindow* window, int rect_type) + { + if (rect_type == WRT_OuterRect) { return window->Rect(); } + else if (rect_type == WRT_OuterRectClipped) { return window->OuterRectClipped; } + else if (rect_type == WRT_InnerRect) { return window->InnerRect; } + else if (rect_type == WRT_InnerClipRect) { return window->InnerClipRect; } + else if (rect_type == WRT_WorkRect) { return window->WorkRect; } + else if (rect_type == WRT_Content) { ImVec2 min = window->InnerRect.Min - window->Scroll + window->WindowPadding; return ImRect(min, min + window->ContentSize); } + else if (rect_type == WRT_ContentRegionRect) { return window->ContentRegionRect; } + IM_ASSERT(0); + return ImRect(); + } + + static void NodeDrawList(ImGuiWindow* window, ImDrawList* draw_list, const char* label) + { + bool node_open = ImGui::TreeNode(draw_list, "%s: '%s' %d vtx, %d indices, %d cmds", label, draw_list->_OwnerName ? draw_list->_OwnerName : "", draw_list->VtxBuffer.Size, draw_list->IdxBuffer.Size, draw_list->CmdBuffer.Size); + if (draw_list == ImGui::GetWindowDrawList()) + { + ImGui::SameLine(); + ImGui::TextColored(ImVec4(1.0f,0.4f,0.4f,1.0f), "CURRENTLY APPENDING"); // Can't display stats for active draw list! (we don't have the data double-buffered) + if (node_open) ImGui::TreePop(); + return; + } + + ImDrawList* fg_draw_list = GetForegroundDrawList(window); // Render additional visuals into the top-most draw list + if (window && IsItemHovered()) + fg_draw_list->AddRect(window->Pos, window->Pos + window->Size, IM_COL32(255, 255, 0, 255)); + if (!node_open) + return; + + if (window && !window->WasActive) + ImGui::TextDisabled("Warning: owning Window is inactive. This DrawList is not being rendered!"); + + unsigned int elem_offset = 0; + for (const ImDrawCmd* pcmd = draw_list->CmdBuffer.begin(); pcmd < draw_list->CmdBuffer.end(); elem_offset += pcmd->ElemCount, pcmd++) + { + if (pcmd->UserCallback == NULL && pcmd->ElemCount == 0) + continue; + if (pcmd->UserCallback) + { + ImGui::BulletText("Callback %p, user_data %p", pcmd->UserCallback, pcmd->UserCallbackData); + continue; + } + + ImDrawIdx* idx_buffer = (draw_list->IdxBuffer.Size > 0) ? draw_list->IdxBuffer.Data : NULL; + char buf[300]; + ImFormatString(buf, IM_ARRAYSIZE(buf), "DrawCmd: %4d triangles, Tex 0x%p, ClipRect (%4.0f,%4.0f)-(%4.0f,%4.0f)", + pcmd->ElemCount/3, (void*)(intptr_t)pcmd->TextureId, + pcmd->ClipRect.x, pcmd->ClipRect.y, pcmd->ClipRect.z, pcmd->ClipRect.w); + bool pcmd_node_open = ImGui::TreeNode((void*)(pcmd - draw_list->CmdBuffer.begin()), "%s", buf); + if (show_drawcmd_details && fg_draw_list && ImGui::IsItemHovered()) + { + ImRect clip_rect = pcmd->ClipRect; + ImRect vtxs_rect(FLT_MAX, FLT_MAX, -FLT_MAX, -FLT_MAX); + for (unsigned int i = elem_offset; i < elem_offset + (int)pcmd->ElemCount; i++) + vtxs_rect.Add(draw_list->VtxBuffer[idx_buffer ? idx_buffer[i] : i].pos); + fg_draw_list->AddRect(ImFloor(clip_rect.Min), ImFloor(clip_rect.Max), IM_COL32(255,0,255,255)); + fg_draw_list->AddRect(ImFloor(vtxs_rect.Min), ImFloor(vtxs_rect.Max), IM_COL32(255,255,0,255)); + } + if (!pcmd_node_open) + continue; + + // Calculate approximate coverage area (touched pixel count) + // This will be in pixels squared as long there's no post-scaling happening to the renderer output. + float total_area = 0.0f; + for (unsigned int base_idx = elem_offset; base_idx < (elem_offset + pcmd->ElemCount); base_idx += 3) + { + ImVec2 triangle[3]; + for (int n = 0; n < 3; n++) + triangle[n] = draw_list->VtxBuffer[idx_buffer ? idx_buffer[base_idx + n] : (base_idx + n)].pos; + total_area += ImTriangleArea(triangle[0], triangle[1], triangle[2]); + } + + // Display vertex information summary. Hover to get all triangles drawn in wire-frame + ImFormatString(buf, IM_ARRAYSIZE(buf), "Mesh: ElemCount: %d, VtxOffset: +%d, IdxOffset: +%d, Area: ~%0.f px", pcmd->ElemCount, pcmd->VtxOffset, pcmd->IdxOffset, total_area); + ImGui::Selectable(buf); + if (fg_draw_list && ImGui::IsItemHovered() && show_drawcmd_details) + { + // Draw wire-frame version of everything + ImDrawListFlags backup_flags = fg_draw_list->Flags; + fg_draw_list->Flags &= ~ImDrawListFlags_AntiAliasedLines; // Disable AA on triangle outlines is more readable for very large and thin triangles. + ImRect clip_rect = pcmd->ClipRect; + fg_draw_list->AddRect(ImFloor(clip_rect.Min), ImFloor(clip_rect.Max), IM_COL32(255, 0, 255, 255)); + for (unsigned int base_idx = elem_offset; base_idx < (elem_offset + pcmd->ElemCount); base_idx += 3) + { + ImVec2 triangle[3]; + for (int n = 0; n < 3; n++) + triangle[n] = draw_list->VtxBuffer[idx_buffer ? idx_buffer[base_idx + n] : (base_idx + n)].pos; + fg_draw_list->AddPolyline(triangle, 3, IM_COL32(255, 255, 0, 255), true, 1.0f); + } + fg_draw_list->Flags = backup_flags; + } + + // Display individual triangles/vertices. Hover on to get the corresponding triangle highlighted. + ImGuiListClipper clipper(pcmd->ElemCount/3); // Manually coarse clip our print out of individual vertices to save CPU, only items that may be visible. + while (clipper.Step()) + for (int prim = clipper.DisplayStart, idx_i = elem_offset + clipper.DisplayStart*3; prim < clipper.DisplayEnd; prim++) + { + char *buf_p = buf, *buf_end = buf + IM_ARRAYSIZE(buf); + ImVec2 triangle[3]; + for (int n = 0; n < 3; n++, idx_i++) + { + ImDrawVert& v = draw_list->VtxBuffer[idx_buffer ? idx_buffer[idx_i] : idx_i]; + triangle[n] = v.pos; + buf_p += ImFormatString(buf_p, buf_end - buf_p, "%s %04d: pos (%8.2f,%8.2f), uv (%.6f,%.6f), col %08X\n", + (n == 0) ? "Vert:" : " ", idx_i, v.pos.x, v.pos.y, v.uv.x, v.uv.y, v.col); + } + + ImGui::Selectable(buf, false); + if (fg_draw_list && ImGui::IsItemHovered()) + { + ImDrawListFlags backup_flags = fg_draw_list->Flags; + fg_draw_list->Flags &= ~ImDrawListFlags_AntiAliasedLines; // Disable AA on triangle outlines is more readable for very large and thin triangles. + fg_draw_list->AddPolyline(triangle, 3, IM_COL32(255,255,0,255), true, 1.0f); + fg_draw_list->Flags = backup_flags; + } + } + ImGui::TreePop(); + } + ImGui::TreePop(); + } + + static void NodeColumns(const ImGuiColumns* columns) + { + if (!ImGui::TreeNode((void*)(uintptr_t)columns->ID, "Columns Id: 0x%08X, Count: %d, Flags: 0x%04X", columns->ID, columns->Count, columns->Flags)) + return; + ImGui::BulletText("Width: %.1f (MinX: %.1f, MaxX: %.1f)", columns->OffMaxX - columns->OffMinX, columns->OffMinX, columns->OffMaxX); + for (int column_n = 0; column_n < columns->Columns.Size; column_n++) + ImGui::BulletText("Column %02d: OffsetNorm %.3f (= %.1f px)", column_n, columns->Columns[column_n].OffsetNorm, GetColumnOffsetFromNorm(columns, columns->Columns[column_n].OffsetNorm)); + ImGui::TreePop(); + } + + static void NodeWindows(ImVector& windows, const char* label) + { + if (!ImGui::TreeNode(label, "%s (%d)", label, windows.Size)) + return; + for (int i = 0; i < windows.Size; i++) + { + ImGui::PushID(windows[i]); + Funcs::NodeWindow(windows[i], "Window"); + ImGui::PopID(); + } + ImGui::TreePop(); + } + + static void NodeWindow(ImGuiWindow* window, const char* label) + { + if (window == NULL) + { + ImGui::BulletText("%s: NULL", label); + return; + } + bool open = ImGui::TreeNode(label, "%s '%s', %d @ 0x%p", label, window->Name, (window->Active || window->WasActive), window); + if (ImGui::IsItemHovered() && window->WasActive) + ImGui::GetForegroundDrawList()->AddRect(window->Pos, window->Pos + window->Size, IM_COL32(255, 255, 0, 255)); + if (!open) + return; + ImGuiWindowFlags flags = window->Flags; + NodeDrawList(window, window->DrawList, "DrawList"); + ImGui::BulletText("Pos: (%.1f,%.1f), Size: (%.1f,%.1f), ContentSize (%.1f,%.1f)", window->Pos.x, window->Pos.y, window->Size.x, window->Size.y, window->ContentSize.x, window->ContentSize.y); + ImGui::BulletText("Flags: 0x%08X (%s%s%s%s%s%s%s%s%s..)", flags, + (flags & ImGuiWindowFlags_ChildWindow) ? "Child " : "", (flags & ImGuiWindowFlags_Tooltip) ? "Tooltip " : "", (flags & ImGuiWindowFlags_Popup) ? "Popup " : "", + (flags & ImGuiWindowFlags_Modal) ? "Modal " : "", (flags & ImGuiWindowFlags_ChildMenu) ? "ChildMenu " : "", (flags & ImGuiWindowFlags_NoSavedSettings) ? "NoSavedSettings " : "", + (flags & ImGuiWindowFlags_NoMouseInputs)? "NoMouseInputs":"", (flags & ImGuiWindowFlags_NoNavInputs) ? "NoNavInputs" : "", (flags & ImGuiWindowFlags_AlwaysAutoResize) ? "AlwaysAutoResize" : ""); + ImGui::BulletText("Scroll: (%.2f/%.2f,%.2f/%.2f) Scrollbar:%s%s", window->Scroll.x, window->ScrollMax.x, window->Scroll.y, window->ScrollMax.y, window->ScrollbarX ? "X" : "", window->ScrollbarY ? "Y" : ""); + ImGui::BulletText("Active: %d/%d, WriteAccessed: %d, BeginOrderWithinContext: %d", window->Active, window->WasActive, window->WriteAccessed, (window->Active || window->WasActive) ? window->BeginOrderWithinContext : -1); + ImGui::BulletText("Appearing: %d, Hidden: %d (CanSkip %d Cannot %d), SkipItems: %d", window->Appearing, window->Hidden, window->HiddenFramesCanSkipItems, window->HiddenFramesCannotSkipItems, window->SkipItems); + ImGui::BulletText("NavLastIds: 0x%08X,0x%08X, NavLayerActiveMask: %X", window->NavLastIds[0], window->NavLastIds[1], window->DC.NavLayerActiveMask); + ImGui::BulletText("NavLastChildNavWindow: %s", window->NavLastChildNavWindow ? window->NavLastChildNavWindow->Name : "NULL"); + if (!window->NavRectRel[0].IsInverted()) + ImGui::BulletText("NavRectRel[0]: (%.1f,%.1f)(%.1f,%.1f)", window->NavRectRel[0].Min.x, window->NavRectRel[0].Min.y, window->NavRectRel[0].Max.x, window->NavRectRel[0].Max.y); + else + ImGui::BulletText("NavRectRel[0]: "); + if (window->RootWindow != window) NodeWindow(window->RootWindow, "RootWindow"); + if (window->ParentWindow != NULL) NodeWindow(window->ParentWindow, "ParentWindow"); + if (window->DC.ChildWindows.Size > 0) NodeWindows(window->DC.ChildWindows, "ChildWindows"); + if (window->ColumnsStorage.Size > 0 && ImGui::TreeNode("Columns", "Columns sets (%d)", window->ColumnsStorage.Size)) + { + for (int n = 0; n < window->ColumnsStorage.Size; n++) + NodeColumns(&window->ColumnsStorage[n]); + ImGui::TreePop(); + } + NodeStorage(&window->StateStorage, "Storage"); + ImGui::TreePop(); + } + + static void NodeTabBar(ImGuiTabBar* tab_bar) + { + // Standalone tab bars (not associated to docking/windows functionality) currently hold no discernible strings. + char buf[256]; + char* p = buf; + const char* buf_end = buf + IM_ARRAYSIZE(buf); + p += ImFormatString(p, buf_end - p, "TabBar (%d tabs)%s", tab_bar->Tabs.Size, (tab_bar->PrevFrameVisible < ImGui::GetFrameCount() - 2) ? " *Inactive*" : ""); + if (ImGui::TreeNode(tab_bar, "%s", buf)) + { + for (int tab_n = 0; tab_n < tab_bar->Tabs.Size; tab_n++) + { + const ImGuiTabItem* tab = &tab_bar->Tabs[tab_n]; + ImGui::PushID(tab); + if (ImGui::SmallButton("<")) { TabBarQueueChangeTabOrder(tab_bar, tab, -1); } ImGui::SameLine(0, 2); + if (ImGui::SmallButton(">")) { TabBarQueueChangeTabOrder(tab_bar, tab, +1); } ImGui::SameLine(); + ImGui::Text("%02d%c Tab 0x%08X '%s'", tab_n, (tab->ID == tab_bar->SelectedTabId) ? '*' : ' ', tab->ID, (tab->NameOffset != -1) ? tab_bar->GetTabName(tab) : ""); + ImGui::PopID(); + } + ImGui::TreePop(); + } + } + + static void NodeStorage(ImGuiStorage* storage, const char* label) + { + if (!ImGui::TreeNode(label, "%s: %d entries, %d bytes", label, storage->Data.Size, storage->Data.size_in_bytes())) + return; + for (int n = 0; n < storage->Data.Size; n++) + { + const ImGuiStorage::ImGuiStoragePair& p = storage->Data[n]; + ImGui::BulletText("Key 0x%08X Value { i: %d }", p.key, p.val_i); // Important: we currently don't store a type, real value may not be integer. + } + ImGui::TreePop(); + } + }; + + Funcs::NodeWindows(g.Windows, "Windows"); + //Funcs::NodeWindows(g.WindowsFocusOrder, "WindowsFocusOrder"); + if (ImGui::TreeNode("DrawLists", "Active DrawLists (%d)", g.DrawDataBuilder.Layers[0].Size)) + { + for (int i = 0; i < g.DrawDataBuilder.Layers[0].Size; i++) + Funcs::NodeDrawList(NULL, g.DrawDataBuilder.Layers[0][i], "DrawList"); + ImGui::TreePop(); + } + + // Details for Popups + if (ImGui::TreeNode("Popups", "Popups (%d)", g.OpenPopupStack.Size)) + { + for (int i = 0; i < g.OpenPopupStack.Size; i++) + { + ImGuiWindow* window = g.OpenPopupStack[i].Window; + ImGui::BulletText("PopupID: %08x, Window: '%s'%s%s", g.OpenPopupStack[i].PopupId, window ? window->Name : "NULL", window && (window->Flags & ImGuiWindowFlags_ChildWindow) ? " ChildWindow" : "", window && (window->Flags & ImGuiWindowFlags_ChildMenu) ? " ChildMenu" : ""); + } + ImGui::TreePop(); + } + + // Details for TabBars + if (ImGui::TreeNode("TabBars", "Tab Bars (%d)", g.TabBars.GetSize())) + { + for (int n = 0; n < g.TabBars.GetSize(); n++) + Funcs::NodeTabBar(g.TabBars.GetByIndex(n)); + ImGui::TreePop(); + } + + // Details for Tables + IM_UNUSED(trt_rects_names); + IM_UNUSED(show_tables_rects); + IM_UNUSED(show_tables_rect_type); +#ifdef IMGUI_HAS_TABLE + if (ImGui::TreeNode("Tables", "Tables (%d)", g.Tables.GetSize())) + { + for (int n = 0; n < g.Tables.GetSize(); n++) + Funcs::NodeTable(g.Tables.GetByIndex(n)); + ImGui::TreePop(); + } +#endif // #define IMGUI_HAS_TABLE + + // Details for Docking +#ifdef IMGUI_HAS_DOCK + if (ImGui::TreeNode("Docking")) + { + ImGui::TreePop(); + } +#endif // #define IMGUI_HAS_DOCK + + // Misc Details + if (ImGui::TreeNode("Internal state")) + { + const char* input_source_names[] = { "None", "Mouse", "Nav", "NavKeyboard", "NavGamepad" }; IM_ASSERT(IM_ARRAYSIZE(input_source_names) == ImGuiInputSource_COUNT); + ImGui::Text("HoveredWindow: '%s'", g.HoveredWindow ? g.HoveredWindow->Name : "NULL"); + ImGui::Text("HoveredRootWindow: '%s'", g.HoveredRootWindow ? g.HoveredRootWindow->Name : "NULL"); + ImGui::Text("HoveredId: 0x%08X/0x%08X (%.2f sec), AllowOverlap: %d", g.HoveredId, g.HoveredIdPreviousFrame, g.HoveredIdTimer, g.HoveredIdAllowOverlap); // Data is "in-flight" so depending on when the Metrics window is called we may see current frame information or not + ImGui::Text("ActiveId: 0x%08X/0x%08X (%.2f sec), AllowOverlap: %d, Source: %s", g.ActiveId, g.ActiveIdPreviousFrame, g.ActiveIdTimer, g.ActiveIdAllowOverlap, input_source_names[g.ActiveIdSource]); + ImGui::Text("ActiveIdWindow: '%s'", g.ActiveIdWindow ? g.ActiveIdWindow->Name : "NULL"); + ImGui::Text("MovingWindow: '%s'", g.MovingWindow ? g.MovingWindow->Name : "NULL"); + ImGui::Text("NavWindow: '%s'", g.NavWindow ? g.NavWindow->Name : "NULL"); + ImGui::Text("NavId: 0x%08X, NavLayer: %d", g.NavId, g.NavLayer); + ImGui::Text("NavInputSource: %s", input_source_names[g.NavInputSource]); + ImGui::Text("NavActive: %d, NavVisible: %d", g.IO.NavActive, g.IO.NavVisible); + ImGui::Text("NavActivateId: 0x%08X, NavInputId: 0x%08X", g.NavActivateId, g.NavInputId); + ImGui::Text("NavDisableHighlight: %d, NavDisableMouseHover: %d", g.NavDisableHighlight, g.NavDisableMouseHover); + ImGui::Text("NavWindowingTarget: '%s'", g.NavWindowingTarget ? g.NavWindowingTarget->Name : "NULL"); + ImGui::Text("DragDrop: %d, SourceId = 0x%08X, Payload \"%s\" (%d bytes)", g.DragDropActive, g.DragDropPayload.SourceId, g.DragDropPayload.DataType, g.DragDropPayload.DataSize); + ImGui::TreePop(); + } + + // Tools + if (ImGui::TreeNode("Tools")) + { + // The Item Picker tool is super useful to visually select an item and break into the call-stack of where it was submitted. + if (ImGui::Button("Item Picker..")) + ImGui::DebugStartItemPicker(); + ImGui::SameLine(); + MetricsHelpMarker("Will call the IM_DEBUG_BREAK() macro to break in debugger.\nWarning: If you don't have a debugger attached, this will probably crash."); + + ImGui::Checkbox("Show windows begin order", &show_windows_begin_order); + ImGui::Checkbox("Show windows rectangles", &show_windows_rects); + ImGui::SameLine(); + ImGui::SetNextItemWidth(ImGui::GetFontSize() * 12); + show_windows_rects |= ImGui::Combo("##show_windows_rect_type", &show_windows_rect_type, wrt_rects_names, WRT_Count, WRT_Count); + if (show_windows_rects && g.NavWindow) + { + ImGui::BulletText("'%s':", g.NavWindow->Name); + ImGui::Indent(); + for (int rect_n = 0; rect_n < WRT_Count; rect_n++) + { + ImRect r = Funcs::GetWindowRect(g.NavWindow, rect_n); + ImGui::Text("(%6.1f,%6.1f) (%6.1f,%6.1f) Size (%6.1f,%6.1f) %s", r.Min.x, r.Min.y, r.Max.x, r.Max.y, r.GetWidth(), r.GetHeight(), wrt_rects_names[rect_n]); + } + ImGui::Unindent(); + } + ImGui::Checkbox("Show details when hovering ImDrawCmd node", &show_drawcmd_details); + ImGui::TreePop(); + } + + // Overlay: Display windows Rectangles and Begin Order + if (show_windows_rects || show_windows_begin_order) + { + for (int n = 0; n < g.Windows.Size; n++) + { + ImGuiWindow* window = g.Windows[n]; + if (!window->WasActive) + continue; + ImDrawList* draw_list = GetForegroundDrawList(window); + if (show_windows_rects) + { + ImRect r = Funcs::GetWindowRect(window, show_windows_rect_type); + draw_list->AddRect(r.Min, r.Max, IM_COL32(255, 0, 128, 255)); + } + if (show_windows_begin_order && !(window->Flags & ImGuiWindowFlags_ChildWindow)) + { + char buf[32]; + ImFormatString(buf, IM_ARRAYSIZE(buf), "%d", window->BeginOrderWithinContext); + float font_size = ImGui::GetFontSize(); + draw_list->AddRectFilled(window->Pos, window->Pos + ImVec2(font_size, font_size), IM_COL32(200, 100, 100, 255)); + draw_list->AddText(window->Pos, IM_COL32(255, 255, 255, 255), buf); + } + } + } + +#ifdef IMGUI_HAS_TABLE + // Overlay: Display Tables Rectangles + if (show_tables_rects) + { + for (int table_n = 0; table_n < g.Tables.GetSize(); table_n++) + { + ImGuiTable* table = g.Tables.GetByIndex(table_n); + } + } +#endif // #define IMGUI_HAS_TABLE + +#ifdef IMGUI_HAS_DOCK + // Overlay: Display Docking info + if (show_docking_nodes && g.IO.KeyCtrl) + { + } +#endif // #define IMGUI_HAS_DOCK + + ImGui::End(); +} + +#else + +void ImGui::ShowMetricsWindow(bool*) { } + +#endif + +//----------------------------------------------------------------------------- + +// Include imgui_user.inl at the end of imgui.cpp to access private data/functions that aren't exposed. +// Prefer just including imgui_internal.h from your code rather than using this define. If a declaration is missing from imgui_internal.h add it or request it on the github. +#ifdef IMGUI_INCLUDE_IMGUI_USER_INL +#include "imgui_user.inl" +#endif + +//----------------------------------------------------------------------------- + +#endif // #ifndef IMGUI_DISABLE diff --git a/imgui-submodule/imgui/imgui.h b/imgui-submodule/imgui/imgui.h new file mode 100644 index 0000000..44a011d --- /dev/null +++ b/imgui-submodule/imgui/imgui.h @@ -0,0 +1,2320 @@ +// dear imgui, v1.76 WIP +// (headers) + +// Help: +// - Read FAQ at http://dearimgui.org/faq +// - Newcomers, read 'Programmer guide' in imgui.cpp for notes on how to setup Dear ImGui in your codebase. +// - Call and read ImGui::ShowDemoWindow() in imgui_demo.cpp for demo code. All applications in examples/ are doing that. +// Read imgui.cpp for more details, documentation and comments. + +// Resources: +// - FAQ http://dearimgui.org/faq +// - Homepage & latest https://github.com/ocornut/imgui +// - Releases & changelog https://github.com/ocornut/imgui/releases +// - Gallery https://github.com/ocornut/imgui/issues/2847 (please post your screenshots/video there!) +// - Glossary https://github.com/ocornut/imgui/wiki/Glossary +// - Wiki https://github.com/ocornut/imgui/wiki +// - Issues & support https://github.com/ocornut/imgui/issues + +/* + +Index of this file: +// Header mess +// Forward declarations and basic types +// ImGui API (Dear ImGui end-user API) +// Flags & Enumerations +// Memory allocations macros +// ImVector<> +// ImGuiStyle +// ImGuiIO +// Misc data structures (ImGuiInputTextCallbackData, ImGuiSizeCallbackData, ImGuiPayload) +// Obsolete functions +// Helpers (ImGuiOnceUponAFrame, ImGuiTextFilter, ImGuiTextBuffer, ImGuiStorage, ImGuiListClipper, ImColor) +// Draw List API (ImDrawCallback, ImDrawCmd, ImDrawIdx, ImDrawVert, ImDrawChannel, ImDrawListSplitter, ImDrawListFlags, ImDrawList, ImDrawData) +// Font API (ImFontConfig, ImFontGlyph, ImFontGlyphRangesBuilder, ImFontAtlasFlags, ImFontAtlas, ImFont) + +*/ + +#pragma once + +// Configuration file with compile-time options (edit imconfig.h or #define IMGUI_USER_CONFIG to your own filename) +#ifdef IMGUI_USER_CONFIG +#include IMGUI_USER_CONFIG +#endif +#if !defined(IMGUI_DISABLE_INCLUDE_IMCONFIG_H) || defined(IMGUI_INCLUDE_IMCONFIG_H) +#include "imconfig.h" +#endif + +#ifndef IMGUI_DISABLE + +//----------------------------------------------------------------------------- +// Header mess +//----------------------------------------------------------------------------- + +// Includes +#include // FLT_MIN, FLT_MAX +#include // va_list, va_start, va_end +#include // ptrdiff_t, NULL +#include // memset, memmove, memcpy, strlen, strchr, strcpy, strcmp + +// Version +// (Integer encoded as XYYZZ for use in #if preprocessor conditionals. Work in progress versions typically starts at XYY99 then bounce up to XYY00, XYY01 etc. when release tagging happens) +#define IMGUI_VERSION "1.76 WIP" +#define IMGUI_VERSION_NUM 17502 +#define IMGUI_CHECKVERSION() ImGui::DebugCheckVersionAndDataLayout(IMGUI_VERSION, sizeof(ImGuiIO), sizeof(ImGuiStyle), sizeof(ImVec2), sizeof(ImVec4), sizeof(ImDrawVert), sizeof(ImDrawIdx)) + +// Define attributes of all API symbols declarations (e.g. for DLL under Windows) +// IMGUI_API is used for core imgui functions, IMGUI_IMPL_API is used for the default bindings files (imgui_impl_xxx.h) +// Using dear imgui via a shared library is not recommended, because of function call overhead and because we don't guarantee backward nor forward ABI compatibility. +#ifndef IMGUI_API +#define IMGUI_API +#endif +#ifndef IMGUI_IMPL_API +#define IMGUI_IMPL_API IMGUI_API +#endif + +// Helper Macros +#ifndef IM_ASSERT +#include +#define IM_ASSERT(_EXPR) assert(_EXPR) // You can override the default assert handler by editing imconfig.h +#endif +#if !defined(IMGUI_USE_STB_SPRINTF) && (defined(__clang__) || defined(__GNUC__)) +#define IM_FMTARGS(FMT) __attribute__((format(printf, FMT, FMT+1))) // To apply printf-style warnings to our functions. +#define IM_FMTLIST(FMT) __attribute__((format(printf, FMT, 0))) +#else +#define IM_FMTARGS(FMT) +#define IM_FMTLIST(FMT) +#endif +#define IM_ARRAYSIZE(_ARR) ((int)(sizeof(_ARR) / sizeof(*_ARR))) // Size of a static C-style array. Don't use on pointers! +#define IM_UNUSED(_VAR) ((void)_VAR) // Used to silence "unused variable warnings". Often useful as asserts may be stripped out from final builds. +#if (__cplusplus >= 201100) +#define IM_OFFSETOF(_TYPE,_MEMBER) offsetof(_TYPE, _MEMBER) // Offset of _MEMBER within _TYPE. Standardized as offsetof() in C++11 +#else +#define IM_OFFSETOF(_TYPE,_MEMBER) ((size_t)&(((_TYPE*)0)->_MEMBER)) // Offset of _MEMBER within _TYPE. Old style macro. +#endif +#define IM_UNICODE_CODEPOINT_MAX (sizeof(ImWchar) == 2 ? 0xFFFF : 0x10FFFF) // Last Unicode code point supported by this build. +#define IM_UNICODE_CODEPOINT_INVALID 0xFFFD // Standard invalid Unicode code point. + +// Warnings +#if defined(__clang__) +#pragma clang diagnostic push +#pragma clang diagnostic ignored "-Wold-style-cast" +#if __has_warning("-Wzero-as-null-pointer-constant") +#pragma clang diagnostic ignored "-Wzero-as-null-pointer-constant" +#endif +#elif defined(__GNUC__) +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wpragmas" // warning: unknown option after '#pragma GCC diagnostic' kind +#pragma GCC diagnostic ignored "-Wclass-memaccess" // [__GNUC__ >= 8] warning: 'memset/memcpy' clearing/writing an object of type 'xxxx' with no trivial copy-assignment; use assignment or value-initialization instead +#endif + +//----------------------------------------------------------------------------- +// Forward declarations and basic types +//----------------------------------------------------------------------------- + +// Forward declarations +struct ImDrawChannel; // Temporary storage to output draw commands out of order, used by ImDrawListSplitter and ImDrawList::ChannelsSplit() +struct ImDrawCmd; // A single draw command within a parent ImDrawList (generally maps to 1 GPU draw call, unless it is a callback) +struct ImDrawData; // All draw command lists required to render the frame + pos/size coordinates to use for the projection matrix. +struct ImDrawList; // A single draw command list (generally one per window, conceptually you may see this as a dynamic "mesh" builder) +struct ImDrawListSharedData; // Data shared among multiple draw lists (typically owned by parent ImGui context, but you may create one yourself) +struct ImDrawListSplitter; // Helper to split a draw list into different layers which can be drawn into out of order, then flattened back. +struct ImDrawVert; // A single vertex (pos + uv + col = 20 bytes by default. Override layout with IMGUI_OVERRIDE_DRAWVERT_STRUCT_LAYOUT) +struct ImFont; // Runtime data for a single font within a parent ImFontAtlas +struct ImFontAtlas; // Runtime data for multiple fonts, bake multiple fonts into a single texture, TTF/OTF font loader +struct ImFontConfig; // Configuration data when adding a font or merging fonts +struct ImFontGlyph; // A single font glyph (code point + coordinates within in ImFontAtlas + offset) +struct ImFontGlyphRangesBuilder; // Helper to build glyph ranges from text/string data +struct ImColor; // Helper functions to create a color that can be converted to either u32 or float4 (*OBSOLETE* please avoid using) +struct ImGuiContext; // Dear ImGui context (opaque structure, unless including imgui_internal.h) +struct ImGuiIO; // Main configuration and I/O between your application and ImGui +struct ImGuiInputTextCallbackData; // Shared state of InputText() when using custom ImGuiInputTextCallback (rare/advanced use) +struct ImGuiListClipper; // Helper to manually clip large list of items +struct ImGuiOnceUponAFrame; // Helper for running a block of code not more than once a frame, used by IMGUI_ONCE_UPON_A_FRAME macro +struct ImGuiPayload; // User data payload for drag and drop operations +struct ImGuiSizeCallbackData; // Callback data when using SetNextWindowSizeConstraints() (rare/advanced use) +struct ImGuiStorage; // Helper for key->value storage +struct ImGuiStyle; // Runtime data for styling/colors +struct ImGuiTextBuffer; // Helper to hold and append into a text buffer (~string builder) +struct ImGuiTextFilter; // Helper to parse and apply text filters (e.g. "aaaaa[,bbbbb][,ccccc]") + +// Enums/Flags (declared as int for compatibility with old C++, to allow using as flags and to not pollute the top of this file) +// - Tip: Use your programming IDE navigation facilities on the names in the _central column_ below to find the actual flags/enum lists! +// In Visual Studio IDE: CTRL+comma ("Edit.NavigateTo") can follow symbols in comments, whereas CTRL+F12 ("Edit.GoToImplementation") cannot. +// With Visual Assist installed: ALT+G ("VAssistX.GoToImplementation") can also follow symbols in comments. +typedef int ImGuiCol; // -> enum ImGuiCol_ // Enum: A color identifier for styling +typedef int ImGuiCond; // -> enum ImGuiCond_ // Enum: A condition for many Set*() functions +typedef int ImGuiDataType; // -> enum ImGuiDataType_ // Enum: A primary data type +typedef int ImGuiDir; // -> enum ImGuiDir_ // Enum: A cardinal direction +typedef int ImGuiKey; // -> enum ImGuiKey_ // Enum: A key identifier (ImGui-side enum) +typedef int ImGuiNavInput; // -> enum ImGuiNavInput_ // Enum: An input identifier for navigation +typedef int ImGuiMouseButton; // -> enum ImGuiMouseButton_ // Enum: A mouse button identifier (0=left, 1=right, 2=middle) +typedef int ImGuiMouseCursor; // -> enum ImGuiMouseCursor_ // Enum: A mouse cursor identifier +typedef int ImGuiStyleVar; // -> enum ImGuiStyleVar_ // Enum: A variable identifier for styling +typedef int ImDrawCornerFlags; // -> enum ImDrawCornerFlags_ // Flags: for ImDrawList::AddRect(), AddRectFilled() etc. +typedef int ImDrawListFlags; // -> enum ImDrawListFlags_ // Flags: for ImDrawList +typedef int ImFontAtlasFlags; // -> enum ImFontAtlasFlags_ // Flags: for ImFontAtlas +typedef int ImGuiBackendFlags; // -> enum ImGuiBackendFlags_ // Flags: for io.BackendFlags +typedef int ImGuiColorEditFlags; // -> enum ImGuiColorEditFlags_ // Flags: for ColorEdit4(), ColorPicker4() etc. +typedef int ImGuiConfigFlags; // -> enum ImGuiConfigFlags_ // Flags: for io.ConfigFlags +typedef int ImGuiComboFlags; // -> enum ImGuiComboFlags_ // Flags: for BeginCombo() +typedef int ImGuiDragDropFlags; // -> enum ImGuiDragDropFlags_ // Flags: for BeginDragDropSource(), AcceptDragDropPayload() +typedef int ImGuiFocusedFlags; // -> enum ImGuiFocusedFlags_ // Flags: for IsWindowFocused() +typedef int ImGuiHoveredFlags; // -> enum ImGuiHoveredFlags_ // Flags: for IsItemHovered(), IsWindowHovered() etc. +typedef int ImGuiInputTextFlags; // -> enum ImGuiInputTextFlags_ // Flags: for InputText(), InputTextMultiline() +typedef int ImGuiKeyModFlags; // -> enum ImGuiKeyModFlags_ // Flags: for io.KeyMods (Ctrl/Shift/Alt/Super) +typedef int ImGuiSelectableFlags; // -> enum ImGuiSelectableFlags_ // Flags: for Selectable() +typedef int ImGuiTabBarFlags; // -> enum ImGuiTabBarFlags_ // Flags: for BeginTabBar() +typedef int ImGuiTabItemFlags; // -> enum ImGuiTabItemFlags_ // Flags: for BeginTabItem() +typedef int ImGuiTreeNodeFlags; // -> enum ImGuiTreeNodeFlags_ // Flags: for TreeNode(), TreeNodeEx(), CollapsingHeader() +typedef int ImGuiWindowFlags; // -> enum ImGuiWindowFlags_ // Flags: for Begin(), BeginChild() + +// Other types +#ifndef ImTextureID // ImTextureID [configurable type: override in imconfig.h] +typedef void* ImTextureID; // User data for rendering back-end to identify a texture. This is whatever to you want it to be! read the FAQ about ImTextureID for details. +#endif +#ifndef ImWchar // ImWchar [configurable type: override in imconfig.h] +#define ImWchar ImWchar16 // Storage for a single decoded character/code point, default to 16-bit. Set to ImWchar32 to support larger Unicode planes. Note that we generally support UTF-8 encoded string, this is storage for a decoded character. +#endif +typedef unsigned int ImGuiID; // A unique ID used by widgets, typically hashed from a stack of string. +typedef unsigned short ImWchar16; // A single decoded U16 character/code point for keyboard input/display. We encode them as multi bytes UTF-8 when used in strings. +typedef unsigned int ImWchar32; // A single decoded U32 character/code point for keyboard input/display. To enable, use '#define ImWchar ImWchar32' in imconfig.h. +typedef int (*ImGuiInputTextCallback)(ImGuiInputTextCallbackData *data); +typedef void (*ImGuiSizeCallback)(ImGuiSizeCallbackData* data); + +// Basic scalar data types +typedef signed char ImS8; // 8-bit signed integer +typedef unsigned char ImU8; // 8-bit unsigned integer +typedef signed short ImS16; // 16-bit signed integer +typedef unsigned short ImU16; // 16-bit unsigned integer +typedef signed int ImS32; // 32-bit signed integer == int +typedef unsigned int ImU32; // 32-bit unsigned integer (often used to store packed colors) +#if defined(_MSC_VER) && !defined(__clang__) +typedef signed __int64 ImS64; // 64-bit signed integer (pre and post C++11 with Visual Studio) +typedef unsigned __int64 ImU64; // 64-bit unsigned integer (pre and post C++11 with Visual Studio) +#elif (defined(__clang__) || defined(__GNUC__)) && (__cplusplus < 201100) +#include +typedef int64_t ImS64; // 64-bit signed integer (pre C++11) +typedef uint64_t ImU64; // 64-bit unsigned integer (pre C++11) +#else +typedef signed long long ImS64; // 64-bit signed integer (post C++11) +typedef unsigned long long ImU64; // 64-bit unsigned integer (post C++11) +#endif + +// 2D vector (often used to store positions or sizes) +struct ImVec2 +{ + float x, y; + ImVec2() { x = y = 0.0f; } + ImVec2(float _x, float _y) { x = _x; y = _y; } + float operator[] (size_t idx) const { IM_ASSERT(idx <= 1); return (&x)[idx]; } // We very rarely use this [] operator, the assert overhead is fine. + float& operator[] (size_t idx) { IM_ASSERT(idx <= 1); return (&x)[idx]; } // We very rarely use this [] operator, the assert overhead is fine. +#ifdef IM_VEC2_CLASS_EXTRA + IM_VEC2_CLASS_EXTRA // Define additional constructors and implicit cast operators in imconfig.h to convert back and forth between your math types and ImVec2. +#endif +}; + +// 4D vector (often used to store floating-point colors) +struct ImVec4 +{ + float x, y, z, w; + ImVec4() { x = y = z = w = 0.0f; } + ImVec4(float _x, float _y, float _z, float _w) { x = _x; y = _y; z = _z; w = _w; } +#ifdef IM_VEC4_CLASS_EXTRA + IM_VEC4_CLASS_EXTRA // Define additional constructors and implicit cast operators in imconfig.h to convert back and forth between your math types and ImVec4. +#endif +}; + +//----------------------------------------------------------------------------- +// ImGui: Dear ImGui end-user API +// (This is a namespace. You can add extra ImGui:: functions in your own separate file. Please don't modify imgui source files!) +//----------------------------------------------------------------------------- + +namespace ImGui +{ + // Context creation and access + // Each context create its own ImFontAtlas by default. You may instance one yourself and pass it to CreateContext() to share a font atlas between imgui contexts. + // None of those functions is reliant on the current context. + IMGUI_API ImGuiContext* CreateContext(ImFontAtlas* shared_font_atlas = NULL); + IMGUI_API void DestroyContext(ImGuiContext* ctx = NULL); // NULL = destroy current context + IMGUI_API ImGuiContext* GetCurrentContext(); + IMGUI_API void SetCurrentContext(ImGuiContext* ctx); + + // Main + IMGUI_API ImGuiIO& GetIO(); // access the IO structure (mouse/keyboard/gamepad inputs, time, various configuration options/flags) + IMGUI_API ImGuiStyle& GetStyle(); // access the Style structure (colors, sizes). Always use PushStyleCol(), PushStyleVar() to modify style mid-frame! + IMGUI_API void NewFrame(); // start a new Dear ImGui frame, you can submit any command from this point until Render()/EndFrame(). + IMGUI_API void EndFrame(); // ends the Dear ImGui frame. automatically called by Render(). If you don't need to render data (skipping rendering) you may call EndFrame() without Render()... but you'll have wasted CPU already! If you don't need to render, better to not create any windows and not call NewFrame() at all! + IMGUI_API void Render(); // ends the Dear ImGui frame, finalize the draw data. You can get call GetDrawData() to obtain it and run your rendering function (up to v1.60, this used to call io.RenderDrawListsFn(). Nowadays, we allow and prefer calling your render function yourself.) + IMGUI_API ImDrawData* GetDrawData(); // valid after Render() and until the next call to NewFrame(). this is what you have to render. + + // Demo, Debug, Information + IMGUI_API void ShowDemoWindow(bool* p_open = NULL); // create Demo window (previously called ShowTestWindow). demonstrate most ImGui features. call this to learn about the library! try to make it always available in your application! + IMGUI_API void ShowAboutWindow(bool* p_open = NULL); // create About window. display Dear ImGui version, credits and build/system information. + IMGUI_API void ShowMetricsWindow(bool* p_open = NULL); // create Debug/Metrics window. display Dear ImGui internals: draw commands (with individual draw calls and vertices), window list, basic internal state, etc. + IMGUI_API void ShowStyleEditor(ImGuiStyle* ref = NULL); // add style editor block (not a window). you can pass in a reference ImGuiStyle structure to compare to, revert to and save to (else it uses the default style) + IMGUI_API bool ShowStyleSelector(const char* label); // add style selector block (not a window), essentially a combo listing the default styles. + IMGUI_API void ShowFontSelector(const char* label); // add font selector block (not a window), essentially a combo listing the loaded fonts. + IMGUI_API void ShowUserGuide(); // add basic help/info block (not a window): how to manipulate ImGui as a end-user (mouse/keyboard controls). + IMGUI_API const char* GetVersion(); // get the compiled version string e.g. "1.23" (essentially the compiled value for IMGUI_VERSION) + + // Styles + IMGUI_API void StyleColorsDark(ImGuiStyle* dst = NULL); // new, recommended style (default) + IMGUI_API void StyleColorsClassic(ImGuiStyle* dst = NULL); // classic imgui style + IMGUI_API void StyleColorsLight(ImGuiStyle* dst = NULL); // best used with borders and a custom, thicker font + + // Windows + // - Begin() = push window to the stack and start appending to it. End() = pop window from the stack. + // - You may append multiple times to the same window during the same frame. + // - Passing 'bool* p_open != NULL' shows a window-closing widget in the upper-right corner of the window, + // which clicking will set the boolean to false when clicked. + // - Begin() return false to indicate the window is collapsed or fully clipped, so you may early out and omit submitting + // anything to the window. Always call a matching End() for each Begin() call, regardless of its return value! + // [Important: due to legacy reason, this is inconsistent with most other functions such as BeginMenu/EndMenu, + // BeginPopup/EndPopup, etc. where the EndXXX call should only be called if the corresponding BeginXXX function + // returned true. Begin and BeginChild are the only odd ones out. Will be fixed in a future update.] + // - Note that the bottom of window stack always contains a window called "Debug". + IMGUI_API bool Begin(const char* name, bool* p_open = NULL, ImGuiWindowFlags flags = 0); + IMGUI_API void End(); + + // Child Windows + // - Use child windows to begin into a self-contained independent scrolling/clipping regions within a host window. Child windows can embed their own child. + // - For each independent axis of 'size': ==0.0f: use remaining host window size / >0.0f: fixed size / <0.0f: use remaining window size minus abs(size) / Each axis can use a different mode, e.g. ImVec2(0,400). + // - BeginChild() returns false to indicate the window is collapsed or fully clipped, so you may early out and omit submitting anything to the window. + // Always call a matching EndChild() for each BeginChild() call, regardless of its return value [as with Begin: this is due to legacy reason and inconsistent with most BeginXXX functions apart from the regular Begin() which behaves like BeginChild().] + IMGUI_API bool BeginChild(const char* str_id, const ImVec2& size = ImVec2(0,0), bool border = false, ImGuiWindowFlags flags = 0); + IMGUI_API bool BeginChild(ImGuiID id, const ImVec2& size = ImVec2(0,0), bool border = false, ImGuiWindowFlags flags = 0); + IMGUI_API void EndChild(); + + // Windows Utilities + // - 'current window' = the window we are appending into while inside a Begin()/End() block. 'next window' = next window we will Begin() into. + IMGUI_API bool IsWindowAppearing(); + IMGUI_API bool IsWindowCollapsed(); + IMGUI_API bool IsWindowFocused(ImGuiFocusedFlags flags=0); // is current window focused? or its root/child, depending on flags. see flags for options. + IMGUI_API bool IsWindowHovered(ImGuiHoveredFlags flags=0); // is current window hovered (and typically: not blocked by a popup/modal)? see flags for options. NB: If you are trying to check whether your mouse should be dispatched to imgui or to your app, you should use the 'io.WantCaptureMouse' boolean for that! Please read the FAQ! + IMGUI_API ImDrawList* GetWindowDrawList(); // get draw list associated to the current window, to append your own drawing primitives + IMGUI_API ImVec2 GetWindowPos(); // get current window position in screen space (useful if you want to do your own drawing via the DrawList API) + IMGUI_API ImVec2 GetWindowSize(); // get current window size + IMGUI_API float GetWindowWidth(); // get current window width (shortcut for GetWindowSize().x) + IMGUI_API float GetWindowHeight(); // get current window height (shortcut for GetWindowSize().y) + + // Prefer using SetNextXXX functions (before Begin) rather that SetXXX functions (after Begin). + IMGUI_API void SetNextWindowPos(const ImVec2& pos, ImGuiCond cond = 0, const ImVec2& pivot = ImVec2(0,0)); // set next window position. call before Begin(). use pivot=(0.5f,0.5f) to center on given point, etc. + IMGUI_API void SetNextWindowSize(const ImVec2& size, ImGuiCond cond = 0); // set next window size. set axis to 0.0f to force an auto-fit on this axis. call before Begin() + IMGUI_API void SetNextWindowSizeConstraints(const ImVec2& size_min, const ImVec2& size_max, ImGuiSizeCallback custom_callback = NULL, void* custom_callback_data = NULL); // set next window size limits. use -1,-1 on either X/Y axis to preserve the current size. Sizes will be rounded down. Use callback to apply non-trivial programmatic constraints. + IMGUI_API void SetNextWindowContentSize(const ImVec2& size); // set next window content size (~ scrollable client area, which enforce the range of scrollbars). Not including window decorations (title bar, menu bar, etc.) nor WindowPadding. set an axis to 0.0f to leave it automatic. call before Begin() + IMGUI_API void SetNextWindowCollapsed(bool collapsed, ImGuiCond cond = 0); // set next window collapsed state. call before Begin() + IMGUI_API void SetNextWindowFocus(); // set next window to be focused / top-most. call before Begin() + IMGUI_API void SetNextWindowBgAlpha(float alpha); // set next window background color alpha. helper to easily override the Alpha component of ImGuiCol_WindowBg/ChildBg/PopupBg. you may also use ImGuiWindowFlags_NoBackground. + IMGUI_API void SetWindowPos(const ImVec2& pos, ImGuiCond cond = 0); // (not recommended) set current window position - call within Begin()/End(). prefer using SetNextWindowPos(), as this may incur tearing and side-effects. + IMGUI_API void SetWindowSize(const ImVec2& size, ImGuiCond cond = 0); // (not recommended) set current window size - call within Begin()/End(). set to ImVec2(0,0) to force an auto-fit. prefer using SetNextWindowSize(), as this may incur tearing and minor side-effects. + IMGUI_API void SetWindowCollapsed(bool collapsed, ImGuiCond cond = 0); // (not recommended) set current window collapsed state. prefer using SetNextWindowCollapsed(). + IMGUI_API void SetWindowFocus(); // (not recommended) set current window to be focused / top-most. prefer using SetNextWindowFocus(). + IMGUI_API void SetWindowFontScale(float scale); // set font scale. Adjust IO.FontGlobalScale if you want to scale all windows. This is an old API! For correct scaling, prefer to reload font + rebuild ImFontAtlas + call style.ScaleAllSizes(). + IMGUI_API void SetWindowPos(const char* name, const ImVec2& pos, ImGuiCond cond = 0); // set named window position. + IMGUI_API void SetWindowSize(const char* name, const ImVec2& size, ImGuiCond cond = 0); // set named window size. set axis to 0.0f to force an auto-fit on this axis. + IMGUI_API void SetWindowCollapsed(const char* name, bool collapsed, ImGuiCond cond = 0); // set named window collapsed state + IMGUI_API void SetWindowFocus(const char* name); // set named window to be focused / top-most. use NULL to remove focus. + + // Content region + // - Those functions are bound to be redesigned soon (they are confusing, incomplete and return values in local window coordinates which increases confusion) + IMGUI_API ImVec2 GetContentRegionMax(); // current content boundaries (typically window boundaries including scrolling, or current column boundaries), in windows coordinates + IMGUI_API ImVec2 GetContentRegionAvail(); // == GetContentRegionMax() - GetCursorPos() + IMGUI_API ImVec2 GetWindowContentRegionMin(); // content boundaries min (roughly (0,0)-Scroll), in window coordinates + IMGUI_API ImVec2 GetWindowContentRegionMax(); // content boundaries max (roughly (0,0)+Size-Scroll) where Size can be override with SetNextWindowContentSize(), in window coordinates + IMGUI_API float GetWindowContentRegionWidth(); // + + // Windows Scrolling + IMGUI_API float GetScrollX(); // get scrolling amount [0..GetScrollMaxX()] + IMGUI_API float GetScrollY(); // get scrolling amount [0..GetScrollMaxY()] + IMGUI_API float GetScrollMaxX(); // get maximum scrolling amount ~~ ContentSize.X - WindowSize.X + IMGUI_API float GetScrollMaxY(); // get maximum scrolling amount ~~ ContentSize.Y - WindowSize.Y + IMGUI_API void SetScrollX(float scroll_x); // set scrolling amount [0..GetScrollMaxX()] + IMGUI_API void SetScrollY(float scroll_y); // set scrolling amount [0..GetScrollMaxY()] + IMGUI_API void SetScrollHereX(float center_x_ratio = 0.5f); // adjust scrolling amount to make current cursor position visible. center_x_ratio=0.0: left, 0.5: center, 1.0: right. When using to make a "default/current item" visible, consider using SetItemDefaultFocus() instead. + IMGUI_API void SetScrollHereY(float center_y_ratio = 0.5f); // adjust scrolling amount to make current cursor position visible. center_y_ratio=0.0: top, 0.5: center, 1.0: bottom. When using to make a "default/current item" visible, consider using SetItemDefaultFocus() instead. + IMGUI_API void SetScrollFromPosX(float local_x, float center_x_ratio = 0.5f); // adjust scrolling amount to make given position visible. Generally GetCursorStartPos() + offset to compute a valid position. + IMGUI_API void SetScrollFromPosY(float local_y, float center_y_ratio = 0.5f); // adjust scrolling amount to make given position visible. Generally GetCursorStartPos() + offset to compute a valid position. + + // Parameters stacks (shared) + IMGUI_API void PushFont(ImFont* font); // use NULL as a shortcut to push default font + IMGUI_API void PopFont(); + IMGUI_API void PushStyleColor(ImGuiCol idx, ImU32 col); + IMGUI_API void PushStyleColor(ImGuiCol idx, const ImVec4& col); + IMGUI_API void PopStyleColor(int count = 1); + IMGUI_API void PushStyleVar(ImGuiStyleVar idx, float val); + IMGUI_API void PushStyleVar(ImGuiStyleVar idx, const ImVec2& val); + IMGUI_API void PopStyleVar(int count = 1); + IMGUI_API const ImVec4& GetStyleColorVec4(ImGuiCol idx); // retrieve style color as stored in ImGuiStyle structure. use to feed back into PushStyleColor(), otherwise use GetColorU32() to get style color with style alpha baked in. + IMGUI_API ImFont* GetFont(); // get current font + IMGUI_API float GetFontSize(); // get current font size (= height in pixels) of current font with current scale applied + IMGUI_API ImVec2 GetFontTexUvWhitePixel(); // get UV coordinate for a while pixel, useful to draw custom shapes via the ImDrawList API + IMGUI_API ImU32 GetColorU32(ImGuiCol idx, float alpha_mul = 1.0f); // retrieve given style color with style alpha applied and optional extra alpha multiplier + IMGUI_API ImU32 GetColorU32(const ImVec4& col); // retrieve given color with style alpha applied + IMGUI_API ImU32 GetColorU32(ImU32 col); // retrieve given color with style alpha applied + + // Parameters stacks (current window) + IMGUI_API void PushItemWidth(float item_width); // push width of items for common large "item+label" widgets. >0.0f: width in pixels, <0.0f align xx pixels to the right of window (so -1.0f always align width to the right side). 0.0f = default to ~2/3 of windows width, + IMGUI_API void PopItemWidth(); + IMGUI_API void SetNextItemWidth(float item_width); // set width of the _next_ common large "item+label" widget. >0.0f: width in pixels, <0.0f align xx pixels to the right of window (so -1.0f always align width to the right side) + IMGUI_API float CalcItemWidth(); // width of item given pushed settings and current cursor position. NOT necessarily the width of last item unlike most 'Item' functions. + IMGUI_API void PushTextWrapPos(float wrap_local_pos_x = 0.0f); // push word-wrapping position for Text*() commands. < 0.0f: no wrapping; 0.0f: wrap to end of window (or column); > 0.0f: wrap at 'wrap_pos_x' position in window local space + IMGUI_API void PopTextWrapPos(); + IMGUI_API void PushAllowKeyboardFocus(bool allow_keyboard_focus); // allow focusing using TAB/Shift-TAB, enabled by default but you can disable it for certain widgets + IMGUI_API void PopAllowKeyboardFocus(); + IMGUI_API void PushButtonRepeat(bool repeat); // in 'repeat' mode, Button*() functions return repeated true in a typematic manner (using io.KeyRepeatDelay/io.KeyRepeatRate setting). Note that you can call IsItemActive() after any Button() to tell if the button is held in the current frame. + IMGUI_API void PopButtonRepeat(); + + // Cursor / Layout + // - By "cursor" we mean the current output position. + // - The typical widget behavior is to output themselves at the current cursor position, then move the cursor one line down. + // - You can call SameLine() between widgets to undo the last carriage return and output at the right of the preceeding widget. + // - Attention! We currently have inconsistencies between window-local and absolute positions we will aim to fix with future API: + // Window-local coordinates: SameLine(), GetCursorPos(), SetCursorPos(), GetCursorStartPos(), GetContentRegionMax(), GetWindowContentRegion*(), PushTextWrapPos() + // Absolute coordinate: GetCursorScreenPos(), SetCursorScreenPos(), all ImDrawList:: functions. + IMGUI_API void Separator(); // separator, generally horizontal. inside a menu bar or in horizontal layout mode, this becomes a vertical separator. + IMGUI_API void SameLine(float offset_from_start_x=0.0f, float spacing=-1.0f); // call between widgets or groups to layout them horizontally. X position given in window coordinates. + IMGUI_API void NewLine(); // undo a SameLine() or force a new line when in an horizontal-layout context. + IMGUI_API void Spacing(); // add vertical spacing. + IMGUI_API void Dummy(const ImVec2& size); // add a dummy item of given size. unlike InvisibleButton(), Dummy() won't take the mouse click or be navigable into. + IMGUI_API void Indent(float indent_w = 0.0f); // move content position toward the right, by style.IndentSpacing or indent_w if != 0 + IMGUI_API void Unindent(float indent_w = 0.0f); // move content position back to the left, by style.IndentSpacing or indent_w if != 0 + IMGUI_API void BeginGroup(); // lock horizontal starting position + IMGUI_API void EndGroup(); // unlock horizontal starting position + capture the whole group bounding box into one "item" (so you can use IsItemHovered() or layout primitives such as SameLine() on whole group, etc.) + IMGUI_API ImVec2 GetCursorPos(); // cursor position in window coordinates (relative to window position) + IMGUI_API float GetCursorPosX(); // (some functions are using window-relative coordinates, such as: GetCursorPos, GetCursorStartPos, GetContentRegionMax, GetWindowContentRegion* etc. + IMGUI_API float GetCursorPosY(); // other functions such as GetCursorScreenPos or everything in ImDrawList:: + IMGUI_API void SetCursorPos(const ImVec2& local_pos); // are using the main, absolute coordinate system. + IMGUI_API void SetCursorPosX(float local_x); // GetWindowPos() + GetCursorPos() == GetCursorScreenPos() etc.) + IMGUI_API void SetCursorPosY(float local_y); // + IMGUI_API ImVec2 GetCursorStartPos(); // initial cursor position in window coordinates + IMGUI_API ImVec2 GetCursorScreenPos(); // cursor position in absolute screen coordinates [0..io.DisplaySize] (useful to work with ImDrawList API) + IMGUI_API void SetCursorScreenPos(const ImVec2& pos); // cursor position in absolute screen coordinates [0..io.DisplaySize] + IMGUI_API void AlignTextToFramePadding(); // vertically align upcoming text baseline to FramePadding.y so that it will align properly to regularly framed items (call if you have text on a line before a framed item) + IMGUI_API float GetTextLineHeight(); // ~ FontSize + IMGUI_API float GetTextLineHeightWithSpacing(); // ~ FontSize + style.ItemSpacing.y (distance in pixels between 2 consecutive lines of text) + IMGUI_API float GetFrameHeight(); // ~ FontSize + style.FramePadding.y * 2 + IMGUI_API float GetFrameHeightWithSpacing(); // ~ FontSize + style.FramePadding.y * 2 + style.ItemSpacing.y (distance in pixels between 2 consecutive lines of framed widgets) + + // ID stack/scopes + // - Read the FAQ for more details about how ID are handled in dear imgui. If you are creating widgets in a loop you most + // likely want to push a unique identifier (e.g. object pointer, loop index) to uniquely differentiate them. + // - The resulting ID are hashes of the entire stack. + // - You can also use the "Label##foobar" syntax within widget label to distinguish them from each others. + // - In this header file we use the "label"/"name" terminology to denote a string that will be displayed and used as an ID, + // whereas "str_id" denote a string that is only used as an ID and not normally displayed. + IMGUI_API void PushID(const char* str_id); // push string into the ID stack (will hash string). + IMGUI_API void PushID(const char* str_id_begin, const char* str_id_end); // push string into the ID stack (will hash string). + IMGUI_API void PushID(const void* ptr_id); // push pointer into the ID stack (will hash pointer). + IMGUI_API void PushID(int int_id); // push integer into the ID stack (will hash integer). + IMGUI_API void PopID(); // pop from the ID stack. + IMGUI_API ImGuiID GetID(const char* str_id); // calculate unique ID (hash of whole ID stack + given parameter). e.g. if you want to query into ImGuiStorage yourself + IMGUI_API ImGuiID GetID(const char* str_id_begin, const char* str_id_end); + IMGUI_API ImGuiID GetID(const void* ptr_id); + + // Widgets: Text + IMGUI_API void TextUnformatted(const char* text, const char* text_end = NULL); // raw text without formatting. Roughly equivalent to Text("%s", text) but: A) doesn't require null terminated string if 'text_end' is specified, B) it's faster, no memory copy is done, no buffer size limits, recommended for long chunks of text. + IMGUI_API void Text(const char* fmt, ...) IM_FMTARGS(1); // formatted text + IMGUI_API void TextV(const char* fmt, va_list args) IM_FMTLIST(1); + IMGUI_API void TextColored(const ImVec4& col, const char* fmt, ...) IM_FMTARGS(2); // shortcut for PushStyleColor(ImGuiCol_Text, col); Text(fmt, ...); PopStyleColor(); + IMGUI_API void TextColoredV(const ImVec4& col, const char* fmt, va_list args) IM_FMTLIST(2); + IMGUI_API void TextDisabled(const char* fmt, ...) IM_FMTARGS(1); // shortcut for PushStyleColor(ImGuiCol_Text, style.Colors[ImGuiCol_TextDisabled]); Text(fmt, ...); PopStyleColor(); + IMGUI_API void TextDisabledV(const char* fmt, va_list args) IM_FMTLIST(1); + IMGUI_API void TextWrapped(const char* fmt, ...) IM_FMTARGS(1); // shortcut for PushTextWrapPos(0.0f); Text(fmt, ...); PopTextWrapPos();. Note that this won't work on an auto-resizing window if there's no other widgets to extend the window width, yoy may need to set a size using SetNextWindowSize(). + IMGUI_API void TextWrappedV(const char* fmt, va_list args) IM_FMTLIST(1); + IMGUI_API void LabelText(const char* label, const char* fmt, ...) IM_FMTARGS(2); // display text+label aligned the same way as value+label widgets + IMGUI_API void LabelTextV(const char* label, const char* fmt, va_list args) IM_FMTLIST(2); + IMGUI_API void BulletText(const char* fmt, ...) IM_FMTARGS(1); // shortcut for Bullet()+Text() + IMGUI_API void BulletTextV(const char* fmt, va_list args) IM_FMTLIST(1); + + // Widgets: Main + // - Most widgets return true when the value has been changed or when pressed/selected + // - You may also use one of the many IsItemXXX functions (e.g. IsItemActive, IsItemHovered, etc.) to query widget state. + IMGUI_API bool Button(const char* label, const ImVec2& size = ImVec2(0,0)); // button + IMGUI_API bool SmallButton(const char* label); // button with FramePadding=(0,0) to easily embed within text + IMGUI_API bool InvisibleButton(const char* str_id, const ImVec2& size); // button behavior without the visuals, frequently useful to build custom behaviors using the public api (along with IsItemActive, IsItemHovered, etc.) + IMGUI_API bool ArrowButton(const char* str_id, ImGuiDir dir); // square button with an arrow shape + IMGUI_API void Image(ImTextureID user_texture_id, const ImVec2& size, const ImVec2& uv0 = ImVec2(0,0), const ImVec2& uv1 = ImVec2(1,1), const ImVec4& tint_col = ImVec4(1,1,1,1), const ImVec4& border_col = ImVec4(0,0,0,0)); + IMGUI_API bool ImageButton(ImTextureID user_texture_id, const ImVec2& size, const ImVec2& uv0 = ImVec2(0,0), const ImVec2& uv1 = ImVec2(1,1), int frame_padding = -1, const ImVec4& bg_col = ImVec4(0,0,0,0), const ImVec4& tint_col = ImVec4(1,1,1,1)); // <0 frame_padding uses default frame padding settings. 0 for no padding + IMGUI_API bool Checkbox(const char* label, bool* v); + IMGUI_API bool CheckboxFlags(const char* label, unsigned int* flags, unsigned int flags_value); + IMGUI_API bool RadioButton(const char* label, bool active); // use with e.g. if (RadioButton("one", my_value==1)) { my_value = 1; } + IMGUI_API bool RadioButton(const char* label, int* v, int v_button); // shortcut to handle the above pattern when value is an integer + IMGUI_API void ProgressBar(float fraction, const ImVec2& size_arg = ImVec2(-1,0), const char* overlay = NULL); + IMGUI_API void Bullet(); // draw a small circle and keep the cursor on the same line. advance cursor x position by GetTreeNodeToLabelSpacing(), same distance that TreeNode() uses + + // Widgets: Combo Box + // - The BeginCombo()/EndCombo() api allows you to manage your contents and selection state however you want it, by creating e.g. Selectable() items. + // - The old Combo() api are helpers over BeginCombo()/EndCombo() which are kept available for convenience purpose. + IMGUI_API bool BeginCombo(const char* label, const char* preview_value, ImGuiComboFlags flags = 0); + IMGUI_API void EndCombo(); // only call EndCombo() if BeginCombo() returns true! + IMGUI_API bool Combo(const char* label, int* current_item, const char* const items[], int items_count, int popup_max_height_in_items = -1); + IMGUI_API bool Combo(const char* label, int* current_item, const char* items_separated_by_zeros, int popup_max_height_in_items = -1); // Separate items with \0 within a string, end item-list with \0\0. e.g. "One\0Two\0Three\0" + IMGUI_API bool Combo(const char* label, int* current_item, bool(*items_getter)(void* data, int idx, const char** out_text), void* data, int items_count, int popup_max_height_in_items = -1); + + // Widgets: Drags + // - CTRL+Click on any drag box to turn them into an input box. Manually input values aren't clamped and can go off-bounds. + // - For all the Float2/Float3/Float4/Int2/Int3/Int4 versions of every functions, note that a 'float v[X]' function argument is the same as 'float* v', the array syntax is just a way to document the number of elements that are expected to be accessible. You can pass address of your first element out of a contiguous set, e.g. &myvector.x + // - Adjust format string to decorate the value with a prefix, a suffix, or adapt the editing and display precision e.g. "%.3f" -> 1.234; "%5.2f secs" -> 01.23 secs; "Biscuit: %.0f" -> Biscuit: 1; etc. + // - Speed are per-pixel of mouse movement (v_speed=0.2f: mouse needs to move by 5 pixels to increase value by 1). For gamepad/keyboard navigation, minimum speed is Max(v_speed, minimum_step_at_given_precision). + // - Use v_min < v_max to clamp edits to given limits. Note that CTRL+Click manual input can override those limits. + // - Use v_max = FLT_MAX / INT_MAX etc to avoid clamping to a maximum, same with v_min = -FLT_MAX / INT_MIN to avoid clamping to a minimum. + // - Use v_min > v_max to lock edits. + IMGUI_API bool DragFloat(const char* label, float* v, float v_speed = 1.0f, float v_min = 0.0f, float v_max = 0.0f, const char* format = "%.3f", float power = 1.0f); // If v_min >= v_max we have no bound + IMGUI_API bool DragFloat2(const char* label, float v[2], float v_speed = 1.0f, float v_min = 0.0f, float v_max = 0.0f, const char* format = "%.3f", float power = 1.0f); + IMGUI_API bool DragFloat3(const char* label, float v[3], float v_speed = 1.0f, float v_min = 0.0f, float v_max = 0.0f, const char* format = "%.3f", float power = 1.0f); + IMGUI_API bool DragFloat4(const char* label, float v[4], float v_speed = 1.0f, float v_min = 0.0f, float v_max = 0.0f, const char* format = "%.3f", float power = 1.0f); + IMGUI_API bool DragFloatRange2(const char* label, float* v_current_min, float* v_current_max, float v_speed = 1.0f, float v_min = 0.0f, float v_max = 0.0f, const char* format = "%.3f", const char* format_max = NULL, float power = 1.0f); + IMGUI_API bool DragInt(const char* label, int* v, float v_speed = 1.0f, int v_min = 0, int v_max = 0, const char* format = "%d"); // If v_min >= v_max we have no bound + IMGUI_API bool DragInt2(const char* label, int v[2], float v_speed = 1.0f, int v_min = 0, int v_max = 0, const char* format = "%d"); + IMGUI_API bool DragInt3(const char* label, int v[3], float v_speed = 1.0f, int v_min = 0, int v_max = 0, const char* format = "%d"); + IMGUI_API bool DragInt4(const char* label, int v[4], float v_speed = 1.0f, int v_min = 0, int v_max = 0, const char* format = "%d"); + IMGUI_API bool DragIntRange2(const char* label, int* v_current_min, int* v_current_max, float v_speed = 1.0f, int v_min = 0, int v_max = 0, const char* format = "%d", const char* format_max = NULL); + IMGUI_API bool DragScalar(const char* label, ImGuiDataType data_type, void* p_data, float v_speed, const void* p_min = NULL, const void* p_max = NULL, const char* format = NULL, float power = 1.0f); + IMGUI_API bool DragScalarN(const char* label, ImGuiDataType data_type, void* p_data, int components, float v_speed, const void* p_min = NULL, const void* p_max = NULL, const char* format = NULL, float power = 1.0f); + + // Widgets: Sliders + // - CTRL+Click on any slider to turn them into an input box. Manually input values aren't clamped and can go off-bounds. + // - Adjust format string to decorate the value with a prefix, a suffix, or adapt the editing and display precision e.g. "%.3f" -> 1.234; "%5.2f secs" -> 01.23 secs; "Biscuit: %.0f" -> Biscuit: 1; etc. + IMGUI_API bool SliderFloat(const char* label, float* v, float v_min, float v_max, const char* format = "%.3f", float power = 1.0f); // adjust format to decorate the value with a prefix or a suffix for in-slider labels or unit display. Use power!=1.0 for power curve sliders + IMGUI_API bool SliderFloat2(const char* label, float v[2], float v_min, float v_max, const char* format = "%.3f", float power = 1.0f); + IMGUI_API bool SliderFloat3(const char* label, float v[3], float v_min, float v_max, const char* format = "%.3f", float power = 1.0f); + IMGUI_API bool SliderFloat4(const char* label, float v[4], float v_min, float v_max, const char* format = "%.3f", float power = 1.0f); + IMGUI_API bool SliderAngle(const char* label, float* v_rad, float v_degrees_min = -360.0f, float v_degrees_max = +360.0f, const char* format = "%.0f deg"); + IMGUI_API bool SliderInt(const char* label, int* v, int v_min, int v_max, const char* format = "%d"); + IMGUI_API bool SliderInt2(const char* label, int v[2], int v_min, int v_max, const char* format = "%d"); + IMGUI_API bool SliderInt3(const char* label, int v[3], int v_min, int v_max, const char* format = "%d"); + IMGUI_API bool SliderInt4(const char* label, int v[4], int v_min, int v_max, const char* format = "%d"); + IMGUI_API bool SliderScalar(const char* label, ImGuiDataType data_type, void* p_data, const void* p_min, const void* p_max, const char* format = NULL, float power = 1.0f); + IMGUI_API bool SliderScalarN(const char* label, ImGuiDataType data_type, void* p_data, int components, const void* p_min, const void* p_max, const char* format = NULL, float power = 1.0f); + IMGUI_API bool VSliderFloat(const char* label, const ImVec2& size, float* v, float v_min, float v_max, const char* format = "%.3f", float power = 1.0f); + IMGUI_API bool VSliderInt(const char* label, const ImVec2& size, int* v, int v_min, int v_max, const char* format = "%d"); + IMGUI_API bool VSliderScalar(const char* label, const ImVec2& size, ImGuiDataType data_type, void* p_data, const void* p_min, const void* p_max, const char* format = NULL, float power = 1.0f); + + // Widgets: Input with Keyboard + // - If you want to use InputText() with std::string or any custom dynamic string type, see misc/cpp/imgui_stdlib.h and comments in imgui_demo.cpp. + // - Most of the ImGuiInputTextFlags flags are only useful for InputText() and not for InputFloatX, InputIntX, InputDouble etc. + IMGUI_API bool InputText(const char* label, char* buf, size_t buf_size, ImGuiInputTextFlags flags = 0, ImGuiInputTextCallback callback = NULL, void* user_data = NULL); + IMGUI_API bool InputTextMultiline(const char* label, char* buf, size_t buf_size, const ImVec2& size = ImVec2(0,0), ImGuiInputTextFlags flags = 0, ImGuiInputTextCallback callback = NULL, void* user_data = NULL); + IMGUI_API bool InputTextWithHint(const char* label, const char* hint, char* buf, size_t buf_size, ImGuiInputTextFlags flags = 0, ImGuiInputTextCallback callback = NULL, void* user_data = NULL); + IMGUI_API bool InputFloat(const char* label, float* v, float step = 0.0f, float step_fast = 0.0f, const char* format = "%.3f", ImGuiInputTextFlags flags = 0); + IMGUI_API bool InputFloat2(const char* label, float v[2], const char* format = "%.3f", ImGuiInputTextFlags flags = 0); + IMGUI_API bool InputFloat3(const char* label, float v[3], const char* format = "%.3f", ImGuiInputTextFlags flags = 0); + IMGUI_API bool InputFloat4(const char* label, float v[4], const char* format = "%.3f", ImGuiInputTextFlags flags = 0); + IMGUI_API bool InputInt(const char* label, int* v, int step = 1, int step_fast = 100, ImGuiInputTextFlags flags = 0); + IMGUI_API bool InputInt2(const char* label, int v[2], ImGuiInputTextFlags flags = 0); + IMGUI_API bool InputInt3(const char* label, int v[3], ImGuiInputTextFlags flags = 0); + IMGUI_API bool InputInt4(const char* label, int v[4], ImGuiInputTextFlags flags = 0); + IMGUI_API bool InputDouble(const char* label, double* v, double step = 0.0, double step_fast = 0.0, const char* format = "%.6f", ImGuiInputTextFlags flags = 0); + IMGUI_API bool InputScalar(const char* label, ImGuiDataType data_type, void* p_data, const void* p_step = NULL, const void* p_step_fast = NULL, const char* format = NULL, ImGuiInputTextFlags flags = 0); + IMGUI_API bool InputScalarN(const char* label, ImGuiDataType data_type, void* p_data, int components, const void* p_step = NULL, const void* p_step_fast = NULL, const char* format = NULL, ImGuiInputTextFlags flags = 0); + + // Widgets: Color Editor/Picker (tip: the ColorEdit* functions have a little colored preview square that can be left-clicked to open a picker, and right-clicked to open an option menu.) + // - Note that in C++ a 'float v[X]' function argument is the _same_ as 'float* v', the array syntax is just a way to document the number of elements that are expected to be accessible. + // - You can pass the address of a first float element out of a contiguous structure, e.g. &myvector.x + IMGUI_API bool ColorEdit3(const char* label, float col[3], ImGuiColorEditFlags flags = 0); + IMGUI_API bool ColorEdit4(const char* label, float col[4], ImGuiColorEditFlags flags = 0); + IMGUI_API bool ColorPicker3(const char* label, float col[3], ImGuiColorEditFlags flags = 0); + IMGUI_API bool ColorPicker4(const char* label, float col[4], ImGuiColorEditFlags flags = 0, const float* ref_col = NULL); + IMGUI_API bool ColorButton(const char* desc_id, const ImVec4& col, ImGuiColorEditFlags flags = 0, ImVec2 size = ImVec2(0,0)); // display a colored square/button, hover for details, return true when pressed. + IMGUI_API void SetColorEditOptions(ImGuiColorEditFlags flags); // initialize current options (generally on application startup) if you want to select a default format, picker type, etc. User will be able to change many settings, unless you pass the _NoOptions flag to your calls. + + // Widgets: Trees + // - TreeNode functions return true when the node is open, in which case you need to also call TreePop() when you are finished displaying the tree node contents. + IMGUI_API bool TreeNode(const char* label); + IMGUI_API bool TreeNode(const char* str_id, const char* fmt, ...) IM_FMTARGS(2); // helper variation to easily decorelate the id from the displayed string. Read the FAQ about why and how to use ID. to align arbitrary text at the same level as a TreeNode() you can use Bullet(). + IMGUI_API bool TreeNode(const void* ptr_id, const char* fmt, ...) IM_FMTARGS(2); // " + IMGUI_API bool TreeNodeV(const char* str_id, const char* fmt, va_list args) IM_FMTLIST(2); + IMGUI_API bool TreeNodeV(const void* ptr_id, const char* fmt, va_list args) IM_FMTLIST(2); + IMGUI_API bool TreeNodeEx(const char* label, ImGuiTreeNodeFlags flags = 0); + IMGUI_API bool TreeNodeEx(const char* str_id, ImGuiTreeNodeFlags flags, const char* fmt, ...) IM_FMTARGS(3); + IMGUI_API bool TreeNodeEx(const void* ptr_id, ImGuiTreeNodeFlags flags, const char* fmt, ...) IM_FMTARGS(3); + IMGUI_API bool TreeNodeExV(const char* str_id, ImGuiTreeNodeFlags flags, const char* fmt, va_list args) IM_FMTLIST(3); + IMGUI_API bool TreeNodeExV(const void* ptr_id, ImGuiTreeNodeFlags flags, const char* fmt, va_list args) IM_FMTLIST(3); + IMGUI_API void TreePush(const char* str_id); // ~ Indent()+PushId(). Already called by TreeNode() when returning true, but you can call TreePush/TreePop yourself if desired. + IMGUI_API void TreePush(const void* ptr_id = NULL); // " + IMGUI_API void TreePop(); // ~ Unindent()+PopId() + IMGUI_API float GetTreeNodeToLabelSpacing(); // horizontal distance preceding label when using TreeNode*() or Bullet() == (g.FontSize + style.FramePadding.x*2) for a regular unframed TreeNode + IMGUI_API bool CollapsingHeader(const char* label, ImGuiTreeNodeFlags flags = 0); // if returning 'true' the header is open. doesn't indent nor push on ID stack. user doesn't have to call TreePop(). + IMGUI_API bool CollapsingHeader(const char* label, bool* p_open, ImGuiTreeNodeFlags flags = 0); // when 'p_open' isn't NULL, display an additional small close button on upper right of the header + IMGUI_API void SetNextItemOpen(bool is_open, ImGuiCond cond = 0); // set next TreeNode/CollapsingHeader open state. + + // Widgets: Selectables + // - A selectable highlights when hovered, and can display another color when selected. + // - Neighbors selectable extend their highlight bounds in order to leave no gap between them. This is so a series of selected Selectable appear contiguous. + IMGUI_API bool Selectable(const char* label, bool selected = false, ImGuiSelectableFlags flags = 0, const ImVec2& size = ImVec2(0,0)); // "bool selected" carry the selection state (read-only). Selectable() is clicked is returns true so you can modify your selection state. size.x==0.0: use remaining width, size.x>0.0: specify width. size.y==0.0: use label height, size.y>0.0: specify height + IMGUI_API bool Selectable(const char* label, bool* p_selected, ImGuiSelectableFlags flags = 0, const ImVec2& size = ImVec2(0,0)); // "bool* p_selected" point to the selection state (read-write), as a convenient helper. + + // Widgets: List Boxes + // - FIXME: To be consistent with all the newer API, ListBoxHeader/ListBoxFooter should in reality be called BeginListBox/EndListBox. Will rename them. + IMGUI_API bool ListBox(const char* label, int* current_item, const char* const items[], int items_count, int height_in_items = -1); + IMGUI_API bool ListBox(const char* label, int* current_item, bool (*items_getter)(void* data, int idx, const char** out_text), void* data, int items_count, int height_in_items = -1); + IMGUI_API bool ListBoxHeader(const char* label, const ImVec2& size = ImVec2(0,0)); // use if you want to reimplement ListBox() will custom data or interactions. if the function return true, you can output elements then call ListBoxFooter() afterwards. + IMGUI_API bool ListBoxHeader(const char* label, int items_count, int height_in_items = -1); // " + IMGUI_API void ListBoxFooter(); // terminate the scrolling region. only call ListBoxFooter() if ListBoxHeader() returned true! + + // Widgets: Data Plotting + IMGUI_API void PlotLines(const char* label, const float* values, int values_count, int values_offset = 0, const char* overlay_text = NULL, float scale_min = FLT_MAX, float scale_max = FLT_MAX, ImVec2 graph_size = ImVec2(0, 0), int stride = sizeof(float)); + IMGUI_API void PlotLines(const char* label, float(*values_getter)(void* data, int idx), void* data, int values_count, int values_offset = 0, const char* overlay_text = NULL, float scale_min = FLT_MAX, float scale_max = FLT_MAX, ImVec2 graph_size = ImVec2(0, 0)); + IMGUI_API void PlotHistogram(const char* label, const float* values, int values_count, int values_offset = 0, const char* overlay_text = NULL, float scale_min = FLT_MAX, float scale_max = FLT_MAX, ImVec2 graph_size = ImVec2(0, 0), int stride = sizeof(float)); + IMGUI_API void PlotHistogram(const char* label, float(*values_getter)(void* data, int idx), void* data, int values_count, int values_offset = 0, const char* overlay_text = NULL, float scale_min = FLT_MAX, float scale_max = FLT_MAX, ImVec2 graph_size = ImVec2(0, 0)); + + // Widgets: Value() Helpers. + // - Those are merely shortcut to calling Text() with a format string. Output single value in "name: value" format (tip: freely declare more in your code to handle your types. you can add functions to the ImGui namespace) + IMGUI_API void Value(const char* prefix, bool b); + IMGUI_API void Value(const char* prefix, int v); + IMGUI_API void Value(const char* prefix, unsigned int v); + IMGUI_API void Value(const char* prefix, float v, const char* float_format = NULL); + + // Widgets: Menus + // - Use BeginMenuBar() on a window ImGuiWindowFlags_MenuBar to append to its menu bar. + // - Use BeginMainMenuBar() to create a menu bar at the top of the screen and append to it. + // - Use BeginMenu() to create a menu. You can call BeginMenu() multiple time with the same identifier to append more items to it. + IMGUI_API bool BeginMenuBar(); // append to menu-bar of current window (requires ImGuiWindowFlags_MenuBar flag set on parent window). + IMGUI_API void EndMenuBar(); // only call EndMenuBar() if BeginMenuBar() returns true! + IMGUI_API bool BeginMainMenuBar(); // create and append to a full screen menu-bar. + IMGUI_API void EndMainMenuBar(); // only call EndMainMenuBar() if BeginMainMenuBar() returns true! + IMGUI_API bool BeginMenu(const char* label, bool enabled = true); // create a sub-menu entry. only call EndMenu() if this returns true! + IMGUI_API void EndMenu(); // only call EndMenu() if BeginMenu() returns true! + IMGUI_API bool MenuItem(const char* label, const char* shortcut = NULL, bool selected = false, bool enabled = true); // return true when activated. shortcuts are displayed for convenience but not processed by ImGui at the moment + IMGUI_API bool MenuItem(const char* label, const char* shortcut, bool* p_selected, bool enabled = true); // return true when activated + toggle (*p_selected) if p_selected != NULL + + // Tooltips + // - Tooltip are windows following the mouse which do not take focus away. + IMGUI_API void BeginTooltip(); // begin/append a tooltip window. to create full-featured tooltip (with any kind of items). + IMGUI_API void EndTooltip(); + IMGUI_API void SetTooltip(const char* fmt, ...) IM_FMTARGS(1); // set a text-only tooltip, typically use with ImGui::IsItemHovered(). override any previous call to SetTooltip(). + IMGUI_API void SetTooltipV(const char* fmt, va_list args) IM_FMTLIST(1); + + // Popups, Modals + // The properties of popups windows are: + // - They block normal mouse hovering detection outside them. (*) + // - Unless modal, they can be closed by clicking anywhere outside them, or by pressing ESCAPE. + // - Their visibility state (~bool) is held internally by imgui instead of being held by the programmer as we are used to with regular Begin() calls. + // User can manipulate the visibility state by calling OpenPopup(). + // - We default to use the right mouse (ImGuiMouseButton_Right=1) for the Popup Context functions. + // (*) You can use IsItemHovered(ImGuiHoveredFlags_AllowWhenBlockedByPopup) to bypass it and detect hovering even when normally blocked by a popup. + // Those three properties are connected. The library needs to hold their visibility state because it can close popups at any time. + IMGUI_API void OpenPopup(const char* str_id); // call to mark popup as open (don't call every frame!). popups are closed when user click outside, or if CloseCurrentPopup() is called within a BeginPopup()/EndPopup() block. By default, Selectable()/MenuItem() are calling CloseCurrentPopup(). Popup identifiers are relative to the current ID-stack (so OpenPopup and BeginPopup needs to be at the same level). + IMGUI_API bool BeginPopup(const char* str_id, ImGuiWindowFlags flags = 0); // return true if the popup is open, and you can start outputting to it. only call EndPopup() if BeginPopup() returns true! + IMGUI_API bool BeginPopupContextItem(const char* str_id = NULL, ImGuiMouseButton mouse_button = 1); // helper to open and begin popup when clicked on last item. if you can pass a NULL str_id only if the previous item had an id. If you want to use that on a non-interactive item such as Text() you need to pass in an explicit ID here. read comments in .cpp! + IMGUI_API bool BeginPopupContextWindow(const char* str_id = NULL, ImGuiMouseButton mouse_button = 1, bool also_over_items = true); // helper to open and begin popup when clicked on current window. + IMGUI_API bool BeginPopupContextVoid(const char* str_id = NULL, ImGuiMouseButton mouse_button = 1); // helper to open and begin popup when clicked in void (where there are no imgui windows). + IMGUI_API bool BeginPopupModal(const char* name, bool* p_open = NULL, ImGuiWindowFlags flags = 0); // modal dialog (regular window with title bar, block interactions behind the modal window, can't close the modal window by clicking outside) + IMGUI_API void EndPopup(); // only call EndPopup() if BeginPopupXXX() returns true! + IMGUI_API bool OpenPopupOnItemClick(const char* str_id = NULL, ImGuiMouseButton mouse_button = 1); // helper to open popup when clicked on last item (note: actually triggers on the mouse _released_ event to be consistent with popup behaviors). return true when just opened. + IMGUI_API bool IsPopupOpen(const char* str_id); // return true if the popup is open at the current begin-ed level of the popup stack. + IMGUI_API void CloseCurrentPopup(); // close the popup we have begin-ed into. clicking on a MenuItem or Selectable automatically close the current popup. + + // Columns + // - You can also use SameLine(pos_x) to mimic simplified columns. + // - The columns API is work-in-progress and rather lacking (columns are arguably the worst part of dear imgui at the moment!) + // - There is a maximum of 64 columns. + // - Currently working on new 'Tables' api which will replace columns around Q2 2020 (see GitHub #2957). + IMGUI_API void Columns(int count = 1, const char* id = NULL, bool border = true); + IMGUI_API void NextColumn(); // next column, defaults to current row or next row if the current row is finished + IMGUI_API int GetColumnIndex(); // get current column index + IMGUI_API float GetColumnWidth(int column_index = -1); // get column width (in pixels). pass -1 to use current column + IMGUI_API void SetColumnWidth(int column_index, float width); // set column width (in pixels). pass -1 to use current column + IMGUI_API float GetColumnOffset(int column_index = -1); // get position of column line (in pixels, from the left side of the contents region). pass -1 to use current column, otherwise 0..GetColumnsCount() inclusive. column 0 is typically 0.0f + IMGUI_API void SetColumnOffset(int column_index, float offset_x); // set position of column line (in pixels, from the left side of the contents region). pass -1 to use current column + IMGUI_API int GetColumnsCount(); + + // Tab Bars, Tabs + IMGUI_API bool BeginTabBar(const char* str_id, ImGuiTabBarFlags flags = 0); // create and append into a TabBar + IMGUI_API void EndTabBar(); // only call EndTabBar() if BeginTabBar() returns true! + IMGUI_API bool BeginTabItem(const char* label, bool* p_open = NULL, ImGuiTabItemFlags flags = 0);// create a Tab. Returns true if the Tab is selected. + IMGUI_API void EndTabItem(); // only call EndTabItem() if BeginTabItem() returns true! + IMGUI_API void SetTabItemClosed(const char* tab_or_docked_window_label); // notify TabBar or Docking system of a closed tab/window ahead (useful to reduce visual flicker on reorderable tab bars). For tab-bar: call after BeginTabBar() and before Tab submissions. Otherwise call with a window name. + + // Logging/Capture + // - All text output from the interface can be captured into tty/file/clipboard. By default, tree nodes are automatically opened during logging. + IMGUI_API void LogToTTY(int auto_open_depth = -1); // start logging to tty (stdout) + IMGUI_API void LogToFile(int auto_open_depth = -1, const char* filename = NULL); // start logging to file + IMGUI_API void LogToClipboard(int auto_open_depth = -1); // start logging to OS clipboard + IMGUI_API void LogFinish(); // stop logging (close file, etc.) + IMGUI_API void LogButtons(); // helper to display buttons for logging to tty/file/clipboard + IMGUI_API void LogText(const char* fmt, ...) IM_FMTARGS(1); // pass text data straight to log (without being displayed) + + // Drag and Drop + // - [BETA API] API may evolve! + IMGUI_API bool BeginDragDropSource(ImGuiDragDropFlags flags = 0); // call when the current item is active. If this return true, you can call SetDragDropPayload() + EndDragDropSource() + IMGUI_API bool SetDragDropPayload(const char* type, const void* data, size_t sz, ImGuiCond cond = 0); // type is a user defined string of maximum 32 characters. Strings starting with '_' are reserved for dear imgui internal types. Data is copied and held by imgui. + IMGUI_API void EndDragDropSource(); // only call EndDragDropSource() if BeginDragDropSource() returns true! + IMGUI_API bool BeginDragDropTarget(); // call after submitting an item that may receive a payload. If this returns true, you can call AcceptDragDropPayload() + EndDragDropTarget() + IMGUI_API const ImGuiPayload* AcceptDragDropPayload(const char* type, ImGuiDragDropFlags flags = 0); // accept contents of a given type. If ImGuiDragDropFlags_AcceptBeforeDelivery is set you can peek into the payload before the mouse button is released. + IMGUI_API void EndDragDropTarget(); // only call EndDragDropTarget() if BeginDragDropTarget() returns true! + IMGUI_API const ImGuiPayload* GetDragDropPayload(); // peek directly into the current payload from anywhere. may return NULL. use ImGuiPayload::IsDataType() to test for the payload type. + + // Clipping + IMGUI_API void PushClipRect(const ImVec2& clip_rect_min, const ImVec2& clip_rect_max, bool intersect_with_current_clip_rect); + IMGUI_API void PopClipRect(); + + // Focus, Activation + // - Prefer using "SetItemDefaultFocus()" over "if (IsWindowAppearing()) SetScrollHereY()" when applicable to signify "this is the default item" + IMGUI_API void SetItemDefaultFocus(); // make last item the default focused item of a window. + IMGUI_API void SetKeyboardFocusHere(int offset = 0); // focus keyboard on the next widget. Use positive 'offset' to access sub components of a multiple component widget. Use -1 to access previous widget. + + // Item/Widgets Utilities + // - Most of the functions are referring to the last/previous item we submitted. + // - See Demo Window under "Widgets->Querying Status" for an interactive visualization of most of those functions. + IMGUI_API bool IsItemHovered(ImGuiHoveredFlags flags = 0); // is the last item hovered? (and usable, aka not blocked by a popup, etc.). See ImGuiHoveredFlags for more options. + IMGUI_API bool IsItemActive(); // is the last item active? (e.g. button being held, text field being edited. This will continuously return true while holding mouse button on an item. Items that don't interact will always return false) + IMGUI_API bool IsItemFocused(); // is the last item focused for keyboard/gamepad navigation? + IMGUI_API bool IsItemClicked(ImGuiMouseButton mouse_button = 0); // is the last item clicked? (e.g. button/node just clicked on) == IsMouseClicked(mouse_button) && IsItemHovered() + IMGUI_API bool IsItemVisible(); // is the last item visible? (items may be out of sight because of clipping/scrolling) + IMGUI_API bool IsItemEdited(); // did the last item modify its underlying value this frame? or was pressed? This is generally the same as the "bool" return value of many widgets. + IMGUI_API bool IsItemActivated(); // was the last item just made active (item was previously inactive). + IMGUI_API bool IsItemDeactivated(); // was the last item just made inactive (item was previously active). Useful for Undo/Redo patterns with widgets that requires continuous editing. + IMGUI_API bool IsItemDeactivatedAfterEdit(); // was the last item just made inactive and made a value change when it was active? (e.g. Slider/Drag moved). Useful for Undo/Redo patterns with widgets that requires continuous editing. Note that you may get false positives (some widgets such as Combo()/ListBox()/Selectable() will return true even when clicking an already selected item). + IMGUI_API bool IsItemToggledOpen(); // was the last item open state toggled? set by TreeNode(). + IMGUI_API bool IsAnyItemHovered(); // is any item hovered? + IMGUI_API bool IsAnyItemActive(); // is any item active? + IMGUI_API bool IsAnyItemFocused(); // is any item focused? + IMGUI_API ImVec2 GetItemRectMin(); // get upper-left bounding rectangle of the last item (screen space) + IMGUI_API ImVec2 GetItemRectMax(); // get lower-right bounding rectangle of the last item (screen space) + IMGUI_API ImVec2 GetItemRectSize(); // get size of last item + IMGUI_API void SetItemAllowOverlap(); // allow last item to be overlapped by a subsequent item. sometimes useful with invisible buttons, selectables, etc. to catch unused area. + + // Miscellaneous Utilities + IMGUI_API bool IsRectVisible(const ImVec2& size); // test if rectangle (of given size, starting from cursor position) is visible / not clipped. + IMGUI_API bool IsRectVisible(const ImVec2& rect_min, const ImVec2& rect_max); // test if rectangle (in screen space) is visible / not clipped. to perform coarse clipping on user's side. + IMGUI_API double GetTime(); // get global imgui time. incremented by io.DeltaTime every frame. + IMGUI_API int GetFrameCount(); // get global imgui frame count. incremented by 1 every frame. + IMGUI_API ImDrawList* GetBackgroundDrawList(); // this draw list will be the first rendering one. Useful to quickly draw shapes/text behind dear imgui contents. + IMGUI_API ImDrawList* GetForegroundDrawList(); // this draw list will be the last rendered one. Useful to quickly draw shapes/text over dear imgui contents. + IMGUI_API ImDrawListSharedData* GetDrawListSharedData(); // you may use this when creating your own ImDrawList instances. + IMGUI_API const char* GetStyleColorName(ImGuiCol idx); // get a string corresponding to the enum value (for display, saving, etc.). + IMGUI_API void SetStateStorage(ImGuiStorage* storage); // replace current window storage with our own (if you want to manipulate it yourself, typically clear subsection of it) + IMGUI_API ImGuiStorage* GetStateStorage(); + IMGUI_API void CalcListClipping(int items_count, float items_height, int* out_items_display_start, int* out_items_display_end); // calculate coarse clipping for large list of evenly sized items. Prefer using the ImGuiListClipper higher-level helper if you can. + IMGUI_API bool BeginChildFrame(ImGuiID id, const ImVec2& size, ImGuiWindowFlags flags = 0); // helper to create a child window / scrolling region that looks like a normal widget frame + IMGUI_API void EndChildFrame(); // always call EndChildFrame() regardless of BeginChildFrame() return values (which indicates a collapsed/clipped window) + + // Text Utilities + IMGUI_API ImVec2 CalcTextSize(const char* text, const char* text_end = NULL, bool hide_text_after_double_hash = false, float wrap_width = -1.0f); + + // Color Utilities + IMGUI_API ImVec4 ColorConvertU32ToFloat4(ImU32 in); + IMGUI_API ImU32 ColorConvertFloat4ToU32(const ImVec4& in); + IMGUI_API void ColorConvertRGBtoHSV(float r, float g, float b, float& out_h, float& out_s, float& out_v); + IMGUI_API void ColorConvertHSVtoRGB(float h, float s, float v, float& out_r, float& out_g, float& out_b); + + // Inputs Utilities: Keyboard + // - For 'int user_key_index' you can use your own indices/enums according to how your backend/engine stored them in io.KeysDown[]. + // - We don't know the meaning of those value. You can use GetKeyIndex() to map a ImGuiKey_ value into the user index. + IMGUI_API int GetKeyIndex(ImGuiKey imgui_key); // map ImGuiKey_* values into user's key index. == io.KeyMap[key] + IMGUI_API bool IsKeyDown(int user_key_index); // is key being held. == io.KeysDown[user_key_index]. + IMGUI_API bool IsKeyPressed(int user_key_index, bool repeat = true); // was key pressed (went from !Down to Down)? if repeat=true, uses io.KeyRepeatDelay / KeyRepeatRate + IMGUI_API bool IsKeyReleased(int user_key_index); // was key released (went from Down to !Down)? + IMGUI_API int GetKeyPressedAmount(int key_index, float repeat_delay, float rate); // uses provided repeat rate/delay. return a count, most often 0 or 1 but might be >1 if RepeatRate is small enough that DeltaTime > RepeatRate + IMGUI_API void CaptureKeyboardFromApp(bool want_capture_keyboard_value = true); // attention: misleading name! manually override io.WantCaptureKeyboard flag next frame (said flag is entirely left for your application to handle). e.g. force capture keyboard when your widget is being hovered. This is equivalent to setting "io.WantCaptureKeyboard = want_capture_keyboard_value"; after the next NewFrame() call. + + // Inputs Utilities: Mouse + // - To refer to a mouse button, you may use named enums in your code e.g. ImGuiMouseButton_Left, ImGuiMouseButton_Right. + // - You can also use regular integer: it is forever guaranteed that 0=Left, 1=Right, 2=Middle. + // - Dragging operations are only reported after mouse has moved a certain distance away from the initial clicking position (see 'lock_threshold' and 'io.MouseDraggingThreshold') + IMGUI_API bool IsMouseDown(ImGuiMouseButton button); // is mouse button held? + IMGUI_API bool IsMouseClicked(ImGuiMouseButton button, bool repeat = false); // did mouse button clicked? (went from !Down to Down) + IMGUI_API bool IsMouseReleased(ImGuiMouseButton button); // did mouse button released? (went from Down to !Down) + IMGUI_API bool IsMouseDoubleClicked(ImGuiMouseButton button); // did mouse button double-clicked? a double-click returns false in IsMouseClicked(). uses io.MouseDoubleClickTime. + IMGUI_API bool IsMouseHoveringRect(const ImVec2& r_min, const ImVec2& r_max, bool clip = true);// is mouse hovering given bounding rect (in screen space). clipped by current clipping settings, but disregarding of other consideration of focus/window ordering/popup-block. + IMGUI_API bool IsMousePosValid(const ImVec2* mouse_pos = NULL); // by convention we use (-FLT_MAX,-FLT_MAX) to denote that there is no mouse available + IMGUI_API bool IsAnyMouseDown(); // is any mouse button held? + IMGUI_API ImVec2 GetMousePos(); // shortcut to ImGui::GetIO().MousePos provided by user, to be consistent with other calls + IMGUI_API ImVec2 GetMousePosOnOpeningCurrentPopup(); // retrieve mouse position at the time of opening popup we have BeginPopup() into (helper to avoid user backing that value themselves) + IMGUI_API bool IsMouseDragging(ImGuiMouseButton button, float lock_threshold = -1.0f); // is mouse dragging? (if lock_threshold < -1.0f, uses io.MouseDraggingThreshold) + IMGUI_API ImVec2 GetMouseDragDelta(ImGuiMouseButton button = 0, float lock_threshold = -1.0f); // return the delta from the initial clicking position while the mouse button is pressed or was just released. This is locked and return 0.0f until the mouse moves past a distance threshold at least once (if lock_threshold < -1.0f, uses io.MouseDraggingThreshold) + IMGUI_API void ResetMouseDragDelta(ImGuiMouseButton button = 0); // + IMGUI_API ImGuiMouseCursor GetMouseCursor(); // get desired cursor type, reset in ImGui::NewFrame(), this is updated during the frame. valid before Render(). If you use software rendering by setting io.MouseDrawCursor ImGui will render those for you + IMGUI_API void SetMouseCursor(ImGuiMouseCursor cursor_type); // set desired cursor type + IMGUI_API void CaptureMouseFromApp(bool want_capture_mouse_value = true); // attention: misleading name! manually override io.WantCaptureMouse flag next frame (said flag is entirely left for your application to handle). This is equivalent to setting "io.WantCaptureMouse = want_capture_mouse_value;" after the next NewFrame() call. + + // Clipboard Utilities + // - Also see the LogToClipboard() function to capture GUI into clipboard, or easily output text data to the clipboard. + IMGUI_API const char* GetClipboardText(); + IMGUI_API void SetClipboardText(const char* text); + + // Settings/.Ini Utilities + // - The disk functions are automatically called if io.IniFilename != NULL (default is "imgui.ini"). + // - Set io.IniFilename to NULL to load/save manually. Read io.WantSaveIniSettings description about handling .ini saving manually. + IMGUI_API void LoadIniSettingsFromDisk(const char* ini_filename); // call after CreateContext() and before the first call to NewFrame(). NewFrame() automatically calls LoadIniSettingsFromDisk(io.IniFilename). + IMGUI_API void LoadIniSettingsFromMemory(const char* ini_data, size_t ini_size=0); // call after CreateContext() and before the first call to NewFrame() to provide .ini data from your own data source. + IMGUI_API void SaveIniSettingsToDisk(const char* ini_filename); // this is automatically called (if io.IniFilename is not empty) a few seconds after any modification that should be reflected in the .ini file (and also by DestroyContext). + IMGUI_API const char* SaveIniSettingsToMemory(size_t* out_ini_size = NULL); // return a zero-terminated string with the .ini data which you can save by your own mean. call when io.WantSaveIniSettings is set, then save data by your own mean and clear io.WantSaveIniSettings. + + // Debug Utilities + IMGUI_API bool DebugCheckVersionAndDataLayout(const char* version_str, size_t sz_io, size_t sz_style, size_t sz_vec2, size_t sz_vec4, size_t sz_drawvert, size_t sz_drawidx); // This is called by IMGUI_CHECKVERSION() macro. + + // Memory Allocators + // - All those functions are not reliant on the current context. + // - If you reload the contents of imgui.cpp at runtime, you may need to call SetCurrentContext() + SetAllocatorFunctions() again because we use global storage for those. + IMGUI_API void SetAllocatorFunctions(void* (*alloc_func)(size_t sz, void* user_data), void (*free_func)(void* ptr, void* user_data), void* user_data = NULL); + IMGUI_API void* MemAlloc(size_t size); + IMGUI_API void MemFree(void* ptr); + +} // namespace ImGui + +//----------------------------------------------------------------------------- +// Flags & Enumerations +//----------------------------------------------------------------------------- + +// Flags for ImGui::Begin() +enum ImGuiWindowFlags_ +{ + ImGuiWindowFlags_None = 0, + ImGuiWindowFlags_NoTitleBar = 1 << 0, // Disable title-bar + ImGuiWindowFlags_NoResize = 1 << 1, // Disable user resizing with the lower-right grip + ImGuiWindowFlags_NoMove = 1 << 2, // Disable user moving the window + ImGuiWindowFlags_NoScrollbar = 1 << 3, // Disable scrollbars (window can still scroll with mouse or programmatically) + ImGuiWindowFlags_NoScrollWithMouse = 1 << 4, // Disable user vertically scrolling with mouse wheel. On child window, mouse wheel will be forwarded to the parent unless NoScrollbar is also set. + ImGuiWindowFlags_NoCollapse = 1 << 5, // Disable user collapsing window by double-clicking on it + ImGuiWindowFlags_AlwaysAutoResize = 1 << 6, // Resize every window to its content every frame + ImGuiWindowFlags_NoBackground = 1 << 7, // Disable drawing background color (WindowBg, etc.) and outside border. Similar as using SetNextWindowBgAlpha(0.0f). + ImGuiWindowFlags_NoSavedSettings = 1 << 8, // Never load/save settings in .ini file + ImGuiWindowFlags_NoMouseInputs = 1 << 9, // Disable catching mouse, hovering test with pass through. + ImGuiWindowFlags_MenuBar = 1 << 10, // Has a menu-bar + ImGuiWindowFlags_HorizontalScrollbar = 1 << 11, // Allow horizontal scrollbar to appear (off by default). You may use SetNextWindowContentSize(ImVec2(width,0.0f)); prior to calling Begin() to specify width. Read code in imgui_demo in the "Horizontal Scrolling" section. + ImGuiWindowFlags_NoFocusOnAppearing = 1 << 12, // Disable taking focus when transitioning from hidden to visible state + ImGuiWindowFlags_NoBringToFrontOnFocus = 1 << 13, // Disable bringing window to front when taking focus (e.g. clicking on it or programmatically giving it focus) + ImGuiWindowFlags_AlwaysVerticalScrollbar= 1 << 14, // Always show vertical scrollbar (even if ContentSize.y < Size.y) + ImGuiWindowFlags_AlwaysHorizontalScrollbar=1<< 15, // Always show horizontal scrollbar (even if ContentSize.x < Size.x) + ImGuiWindowFlags_AlwaysUseWindowPadding = 1 << 16, // Ensure child windows without border uses style.WindowPadding (ignored by default for non-bordered child windows, because more convenient) + ImGuiWindowFlags_NoNavInputs = 1 << 18, // No gamepad/keyboard navigation within the window + ImGuiWindowFlags_NoNavFocus = 1 << 19, // No focusing toward this window with gamepad/keyboard navigation (e.g. skipped by CTRL+TAB) + ImGuiWindowFlags_UnsavedDocument = 1 << 20, // Append '*' to title without affecting the ID, as a convenience to avoid using the ### operator. When used in a tab/docking context, tab is selected on closure and closure is deferred by one frame to allow code to cancel the closure (with a confirmation popup, etc.) without flicker. + ImGuiWindowFlags_NoNav = ImGuiWindowFlags_NoNavInputs | ImGuiWindowFlags_NoNavFocus, + ImGuiWindowFlags_NoDecoration = ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoScrollbar | ImGuiWindowFlags_NoCollapse, + ImGuiWindowFlags_NoInputs = ImGuiWindowFlags_NoMouseInputs | ImGuiWindowFlags_NoNavInputs | ImGuiWindowFlags_NoNavFocus, + + // [Internal] + ImGuiWindowFlags_NavFlattened = 1 << 23, // [BETA] Allow gamepad/keyboard navigation to cross over parent border to this child (only use on child that have no scrolling!) + ImGuiWindowFlags_ChildWindow = 1 << 24, // Don't use! For internal use by BeginChild() + ImGuiWindowFlags_Tooltip = 1 << 25, // Don't use! For internal use by BeginTooltip() + ImGuiWindowFlags_Popup = 1 << 26, // Don't use! For internal use by BeginPopup() + ImGuiWindowFlags_Modal = 1 << 27, // Don't use! For internal use by BeginPopupModal() + ImGuiWindowFlags_ChildMenu = 1 << 28 // Don't use! For internal use by BeginMenu() + + // [Obsolete] + //ImGuiWindowFlags_ShowBorders = 1 << 7, // --> Set style.FrameBorderSize=1.0f or style.WindowBorderSize=1.0f to enable borders around items or windows. + //ImGuiWindowFlags_ResizeFromAnySide = 1 << 17, // --> Set io.ConfigWindowsResizeFromEdges=true and make sure mouse cursors are supported by back-end (io.BackendFlags & ImGuiBackendFlags_HasMouseCursors) +}; + +// Flags for ImGui::InputText() +enum ImGuiInputTextFlags_ +{ + ImGuiInputTextFlags_None = 0, + ImGuiInputTextFlags_CharsDecimal = 1 << 0, // Allow 0123456789.+-*/ + ImGuiInputTextFlags_CharsHexadecimal = 1 << 1, // Allow 0123456789ABCDEFabcdef + ImGuiInputTextFlags_CharsUppercase = 1 << 2, // Turn a..z into A..Z + ImGuiInputTextFlags_CharsNoBlank = 1 << 3, // Filter out spaces, tabs + ImGuiInputTextFlags_AutoSelectAll = 1 << 4, // Select entire text when first taking mouse focus + ImGuiInputTextFlags_EnterReturnsTrue = 1 << 5, // Return 'true' when Enter is pressed (as opposed to every time the value was modified). Consider looking at the IsItemDeactivatedAfterEdit() function. + ImGuiInputTextFlags_CallbackCompletion = 1 << 6, // Callback on pressing TAB (for completion handling) + ImGuiInputTextFlags_CallbackHistory = 1 << 7, // Callback on pressing Up/Down arrows (for history handling) + ImGuiInputTextFlags_CallbackAlways = 1 << 8, // Callback on each iteration. User code may query cursor position, modify text buffer. + ImGuiInputTextFlags_CallbackCharFilter = 1 << 9, // Callback on character inputs to replace or discard them. Modify 'EventChar' to replace or discard, or return 1 in callback to discard. + ImGuiInputTextFlags_AllowTabInput = 1 << 10, // Pressing TAB input a '\t' character into the text field + ImGuiInputTextFlags_CtrlEnterForNewLine = 1 << 11, // In multi-line mode, unfocus with Enter, add new line with Ctrl+Enter (default is opposite: unfocus with Ctrl+Enter, add line with Enter). + ImGuiInputTextFlags_NoHorizontalScroll = 1 << 12, // Disable following the cursor horizontally + ImGuiInputTextFlags_AlwaysInsertMode = 1 << 13, // Insert mode + ImGuiInputTextFlags_ReadOnly = 1 << 14, // Read-only mode + ImGuiInputTextFlags_Password = 1 << 15, // Password mode, display all characters as '*' + ImGuiInputTextFlags_NoUndoRedo = 1 << 16, // Disable undo/redo. Note that input text owns the text data while active, if you want to provide your own undo/redo stack you need e.g. to call ClearActiveID(). + ImGuiInputTextFlags_CharsScientific = 1 << 17, // Allow 0123456789.+-*/eE (Scientific notation input) + ImGuiInputTextFlags_CallbackResize = 1 << 18, // Callback on buffer capacity changes request (beyond 'buf_size' parameter value), allowing the string to grow. Notify when the string wants to be resized (for string types which hold a cache of their Size). You will be provided a new BufSize in the callback and NEED to honor it. (see misc/cpp/imgui_stdlib.h for an example of using this) + // [Internal] + ImGuiInputTextFlags_Multiline = 1 << 20, // For internal use by InputTextMultiline() + ImGuiInputTextFlags_NoMarkEdited = 1 << 21 // For internal use by functions using InputText() before reformatting data +}; + +// Flags for ImGui::TreeNodeEx(), ImGui::CollapsingHeader*() +enum ImGuiTreeNodeFlags_ +{ + ImGuiTreeNodeFlags_None = 0, + ImGuiTreeNodeFlags_Selected = 1 << 0, // Draw as selected + ImGuiTreeNodeFlags_Framed = 1 << 1, // Full colored frame (e.g. for CollapsingHeader) + ImGuiTreeNodeFlags_AllowItemOverlap = 1 << 2, // Hit testing to allow subsequent widgets to overlap this one + ImGuiTreeNodeFlags_NoTreePushOnOpen = 1 << 3, // Don't do a TreePush() when open (e.g. for CollapsingHeader) = no extra indent nor pushing on ID stack + ImGuiTreeNodeFlags_NoAutoOpenOnLog = 1 << 4, // Don't automatically and temporarily open node when Logging is active (by default logging will automatically open tree nodes) + ImGuiTreeNodeFlags_DefaultOpen = 1 << 5, // Default node to be open + ImGuiTreeNodeFlags_OpenOnDoubleClick = 1 << 6, // Need double-click to open node + ImGuiTreeNodeFlags_OpenOnArrow = 1 << 7, // Only open when clicking on the arrow part. If ImGuiTreeNodeFlags_OpenOnDoubleClick is also set, single-click arrow or double-click all box to open. + ImGuiTreeNodeFlags_Leaf = 1 << 8, // No collapsing, no arrow (use as a convenience for leaf nodes). + ImGuiTreeNodeFlags_Bullet = 1 << 9, // Display a bullet instead of arrow + ImGuiTreeNodeFlags_FramePadding = 1 << 10, // Use FramePadding (even for an unframed text node) to vertically align text baseline to regular widget height. Equivalent to calling AlignTextToFramePadding(). + ImGuiTreeNodeFlags_SpanAvailWidth = 1 << 11, // Extend hit box to the right-most edge, even if not framed. This is not the default in order to allow adding other items on the same line. In the future we may refactor the hit system to be front-to-back, allowing natural overlaps and then this can become the default. + ImGuiTreeNodeFlags_SpanFullWidth = 1 << 12, // Extend hit box to the left-most and right-most edges (bypass the indented area). + ImGuiTreeNodeFlags_NavLeftJumpsBackHere = 1 << 13, // (WIP) Nav: left direction may move to this TreeNode() from any of its child (items submitted between TreeNode and TreePop) + //ImGuiTreeNodeFlags_NoScrollOnOpen = 1 << 14, // FIXME: TODO: Disable automatic scroll on TreePop() if node got just open and contents is not visible + ImGuiTreeNodeFlags_CollapsingHeader = ImGuiTreeNodeFlags_Framed | ImGuiTreeNodeFlags_NoTreePushOnOpen | ImGuiTreeNodeFlags_NoAutoOpenOnLog +}; + +// Flags for ImGui::Selectable() +enum ImGuiSelectableFlags_ +{ + ImGuiSelectableFlags_None = 0, + ImGuiSelectableFlags_DontClosePopups = 1 << 0, // Clicking this don't close parent popup window + ImGuiSelectableFlags_SpanAllColumns = 1 << 1, // Selectable frame can span all columns (text will still fit in current column) + ImGuiSelectableFlags_AllowDoubleClick = 1 << 2, // Generate press events on double clicks too + ImGuiSelectableFlags_Disabled = 1 << 3, // Cannot be selected, display grayed out text + ImGuiSelectableFlags_AllowItemOverlap = 1 << 4 // (WIP) Hit testing to allow subsequent widgets to overlap this one +}; + +// Flags for ImGui::BeginCombo() +enum ImGuiComboFlags_ +{ + ImGuiComboFlags_None = 0, + ImGuiComboFlags_PopupAlignLeft = 1 << 0, // Align the popup toward the left by default + ImGuiComboFlags_HeightSmall = 1 << 1, // Max ~4 items visible. Tip: If you want your combo popup to be a specific size you can use SetNextWindowSizeConstraints() prior to calling BeginCombo() + ImGuiComboFlags_HeightRegular = 1 << 2, // Max ~8 items visible (default) + ImGuiComboFlags_HeightLarge = 1 << 3, // Max ~20 items visible + ImGuiComboFlags_HeightLargest = 1 << 4, // As many fitting items as possible + ImGuiComboFlags_NoArrowButton = 1 << 5, // Display on the preview box without the square arrow button + ImGuiComboFlags_NoPreview = 1 << 6, // Display only a square arrow button + ImGuiComboFlags_HeightMask_ = ImGuiComboFlags_HeightSmall | ImGuiComboFlags_HeightRegular | ImGuiComboFlags_HeightLarge | ImGuiComboFlags_HeightLargest +}; + +// Flags for ImGui::BeginTabBar() +enum ImGuiTabBarFlags_ +{ + ImGuiTabBarFlags_None = 0, + ImGuiTabBarFlags_Reorderable = 1 << 0, // Allow manually dragging tabs to re-order them + New tabs are appended at the end of list + ImGuiTabBarFlags_AutoSelectNewTabs = 1 << 1, // Automatically select new tabs when they appear + ImGuiTabBarFlags_TabListPopupButton = 1 << 2, // Disable buttons to open the tab list popup + ImGuiTabBarFlags_NoCloseWithMiddleMouseButton = 1 << 3, // Disable behavior of closing tabs (that are submitted with p_open != NULL) with middle mouse button. You can still repro this behavior on user's side with if (IsItemHovered() && IsMouseClicked(2)) *p_open = false. + ImGuiTabBarFlags_NoTabListScrollingButtons = 1 << 4, // Disable scrolling buttons (apply when fitting policy is ImGuiTabBarFlags_FittingPolicyScroll) + ImGuiTabBarFlags_NoTooltip = 1 << 5, // Disable tooltips when hovering a tab + ImGuiTabBarFlags_FittingPolicyResizeDown = 1 << 6, // Resize tabs when they don't fit + ImGuiTabBarFlags_FittingPolicyScroll = 1 << 7, // Add scroll buttons when tabs don't fit + ImGuiTabBarFlags_FittingPolicyMask_ = ImGuiTabBarFlags_FittingPolicyResizeDown | ImGuiTabBarFlags_FittingPolicyScroll, + ImGuiTabBarFlags_FittingPolicyDefault_ = ImGuiTabBarFlags_FittingPolicyResizeDown +}; + +// Flags for ImGui::BeginTabItem() +enum ImGuiTabItemFlags_ +{ + ImGuiTabItemFlags_None = 0, + ImGuiTabItemFlags_UnsavedDocument = 1 << 0, // Append '*' to title without affecting the ID, as a convenience to avoid using the ### operator. Also: tab is selected on closure and closure is deferred by one frame to allow code to undo it without flicker. + ImGuiTabItemFlags_SetSelected = 1 << 1, // Trigger flag to programmatically make the tab selected when calling BeginTabItem() + ImGuiTabItemFlags_NoCloseWithMiddleMouseButton = 1 << 2, // Disable behavior of closing tabs (that are submitted with p_open != NULL) with middle mouse button. You can still repro this behavior on user's side with if (IsItemHovered() && IsMouseClicked(2)) *p_open = false. + ImGuiTabItemFlags_NoPushId = 1 << 3 // Don't call PushID(tab->ID)/PopID() on BeginTabItem()/EndTabItem() +}; + +// Flags for ImGui::IsWindowFocused() +enum ImGuiFocusedFlags_ +{ + ImGuiFocusedFlags_None = 0, + ImGuiFocusedFlags_ChildWindows = 1 << 0, // IsWindowFocused(): Return true if any children of the window is focused + ImGuiFocusedFlags_RootWindow = 1 << 1, // IsWindowFocused(): Test from root window (top most parent of the current hierarchy) + ImGuiFocusedFlags_AnyWindow = 1 << 2, // IsWindowFocused(): Return true if any window is focused. Important: If you are trying to tell how to dispatch your low-level inputs, do NOT use this. Use ImGui::GetIO().WantCaptureMouse instead. + ImGuiFocusedFlags_RootAndChildWindows = ImGuiFocusedFlags_RootWindow | ImGuiFocusedFlags_ChildWindows +}; + +// Flags for ImGui::IsItemHovered(), ImGui::IsWindowHovered() +// Note: if you are trying to check whether your mouse should be dispatched to imgui or to your app, you should use the 'io.WantCaptureMouse' boolean for that. Please read the FAQ! +// Note: windows with the ImGuiWindowFlags_NoInputs flag are ignored by IsWindowHovered() calls. +enum ImGuiHoveredFlags_ +{ + ImGuiHoveredFlags_None = 0, // Return true if directly over the item/window, not obstructed by another window, not obstructed by an active popup or modal blocking inputs under them. + ImGuiHoveredFlags_ChildWindows = 1 << 0, // IsWindowHovered() only: Return true if any children of the window is hovered + ImGuiHoveredFlags_RootWindow = 1 << 1, // IsWindowHovered() only: Test from root window (top most parent of the current hierarchy) + ImGuiHoveredFlags_AnyWindow = 1 << 2, // IsWindowHovered() only: Return true if any window is hovered + ImGuiHoveredFlags_AllowWhenBlockedByPopup = 1 << 3, // Return true even if a popup window is normally blocking access to this item/window + //ImGuiHoveredFlags_AllowWhenBlockedByModal = 1 << 4, // Return true even if a modal popup window is normally blocking access to this item/window. FIXME-TODO: Unavailable yet. + ImGuiHoveredFlags_AllowWhenBlockedByActiveItem = 1 << 5, // Return true even if an active item is blocking access to this item/window. Useful for Drag and Drop patterns. + ImGuiHoveredFlags_AllowWhenOverlapped = 1 << 6, // Return true even if the position is obstructed or overlapped by another window + ImGuiHoveredFlags_AllowWhenDisabled = 1 << 7, // Return true even if the item is disabled + ImGuiHoveredFlags_RectOnly = ImGuiHoveredFlags_AllowWhenBlockedByPopup | ImGuiHoveredFlags_AllowWhenBlockedByActiveItem | ImGuiHoveredFlags_AllowWhenOverlapped, + ImGuiHoveredFlags_RootAndChildWindows = ImGuiHoveredFlags_RootWindow | ImGuiHoveredFlags_ChildWindows +}; + +// Flags for ImGui::BeginDragDropSource(), ImGui::AcceptDragDropPayload() +enum ImGuiDragDropFlags_ +{ + ImGuiDragDropFlags_None = 0, + // BeginDragDropSource() flags + ImGuiDragDropFlags_SourceNoPreviewTooltip = 1 << 0, // By default, a successful call to BeginDragDropSource opens a tooltip so you can display a preview or description of the source contents. This flag disable this behavior. + ImGuiDragDropFlags_SourceNoDisableHover = 1 << 1, // By default, when dragging we clear data so that IsItemHovered() will return false, to avoid subsequent user code submitting tooltips. This flag disable this behavior so you can still call IsItemHovered() on the source item. + ImGuiDragDropFlags_SourceNoHoldToOpenOthers = 1 << 2, // Disable the behavior that allows to open tree nodes and collapsing header by holding over them while dragging a source item. + ImGuiDragDropFlags_SourceAllowNullID = 1 << 3, // Allow items such as Text(), Image() that have no unique identifier to be used as drag source, by manufacturing a temporary identifier based on their window-relative position. This is extremely unusual within the dear imgui ecosystem and so we made it explicit. + ImGuiDragDropFlags_SourceExtern = 1 << 4, // External source (from outside of dear imgui), won't attempt to read current item/window info. Will always return true. Only one Extern source can be active simultaneously. + ImGuiDragDropFlags_SourceAutoExpirePayload = 1 << 5, // Automatically expire the payload if the source cease to be submitted (otherwise payloads are persisting while being dragged) + // AcceptDragDropPayload() flags + ImGuiDragDropFlags_AcceptBeforeDelivery = 1 << 10, // AcceptDragDropPayload() will returns true even before the mouse button is released. You can then call IsDelivery() to test if the payload needs to be delivered. + ImGuiDragDropFlags_AcceptNoDrawDefaultRect = 1 << 11, // Do not draw the default highlight rectangle when hovering over target. + ImGuiDragDropFlags_AcceptNoPreviewTooltip = 1 << 12, // Request hiding the BeginDragDropSource tooltip from the BeginDragDropTarget site. + ImGuiDragDropFlags_AcceptPeekOnly = ImGuiDragDropFlags_AcceptBeforeDelivery | ImGuiDragDropFlags_AcceptNoDrawDefaultRect // For peeking ahead and inspecting the payload before delivery. +}; + +// Standard Drag and Drop payload types. You can define you own payload types using short strings. Types starting with '_' are defined by Dear ImGui. +#define IMGUI_PAYLOAD_TYPE_COLOR_3F "_COL3F" // float[3]: Standard type for colors, without alpha. User code may use this type. +#define IMGUI_PAYLOAD_TYPE_COLOR_4F "_COL4F" // float[4]: Standard type for colors. User code may use this type. + +// A primary data type +enum ImGuiDataType_ +{ + ImGuiDataType_S8, // signed char / char (with sensible compilers) + ImGuiDataType_U8, // unsigned char + ImGuiDataType_S16, // short + ImGuiDataType_U16, // unsigned short + ImGuiDataType_S32, // int + ImGuiDataType_U32, // unsigned int + ImGuiDataType_S64, // long long / __int64 + ImGuiDataType_U64, // unsigned long long / unsigned __int64 + ImGuiDataType_Float, // float + ImGuiDataType_Double, // double + ImGuiDataType_COUNT +}; + +// A cardinal direction +enum ImGuiDir_ +{ + ImGuiDir_None = -1, + ImGuiDir_Left = 0, + ImGuiDir_Right = 1, + ImGuiDir_Up = 2, + ImGuiDir_Down = 3, + ImGuiDir_COUNT +}; + +// User fill ImGuiIO.KeyMap[] array with indices into the ImGuiIO.KeysDown[512] array +enum ImGuiKey_ +{ + ImGuiKey_Tab, + ImGuiKey_LeftArrow, + ImGuiKey_RightArrow, + ImGuiKey_UpArrow, + ImGuiKey_DownArrow, + ImGuiKey_PageUp, + ImGuiKey_PageDown, + ImGuiKey_Home, + ImGuiKey_End, + ImGuiKey_Insert, + ImGuiKey_Delete, + ImGuiKey_Backspace, + ImGuiKey_Space, + ImGuiKey_Enter, + ImGuiKey_Escape, + ImGuiKey_KeyPadEnter, + ImGuiKey_A, // for text edit CTRL+A: select all + ImGuiKey_C, // for text edit CTRL+C: copy + ImGuiKey_V, // for text edit CTRL+V: paste + ImGuiKey_X, // for text edit CTRL+X: cut + ImGuiKey_Y, // for text edit CTRL+Y: redo + ImGuiKey_Z, // for text edit CTRL+Z: undo + ImGuiKey_COUNT +}; + +// To test io.KeyMods (which is a combination of individual fields io.KeyCtrl, io.KeyShift, io.KeyAlt set by user/back-end) +enum ImGuiKeyModFlags_ +{ + ImGuiKeyModFlags_None = 0, + ImGuiKeyModFlags_Ctrl = 1 << 0, + ImGuiKeyModFlags_Shift = 1 << 1, + ImGuiKeyModFlags_Alt = 1 << 2, + ImGuiKeyModFlags_Super = 1 << 3 +}; + +// Gamepad/Keyboard directional navigation +// Keyboard: Set io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard to enable. NewFrame() will automatically fill io.NavInputs[] based on your io.KeysDown[] + io.KeyMap[] arrays. +// Gamepad: Set io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad to enable. Back-end: set ImGuiBackendFlags_HasGamepad and fill the io.NavInputs[] fields before calling NewFrame(). Note that io.NavInputs[] is cleared by EndFrame(). +// Read instructions in imgui.cpp for more details. Download PNG/PSD at http://goo.gl/9LgVZW. +enum ImGuiNavInput_ +{ + // Gamepad Mapping + ImGuiNavInput_Activate, // activate / open / toggle / tweak value // e.g. Cross (PS4), A (Xbox), A (Switch), Space (Keyboard) + ImGuiNavInput_Cancel, // cancel / close / exit // e.g. Circle (PS4), B (Xbox), B (Switch), Escape (Keyboard) + ImGuiNavInput_Input, // text input / on-screen keyboard // e.g. Triang.(PS4), Y (Xbox), X (Switch), Return (Keyboard) + ImGuiNavInput_Menu, // tap: toggle menu / hold: focus, move, resize // e.g. Square (PS4), X (Xbox), Y (Switch), Alt (Keyboard) + ImGuiNavInput_DpadLeft, // move / tweak / resize window (w/ PadMenu) // e.g. D-pad Left/Right/Up/Down (Gamepads), Arrow keys (Keyboard) + ImGuiNavInput_DpadRight, // + ImGuiNavInput_DpadUp, // + ImGuiNavInput_DpadDown, // + ImGuiNavInput_LStickLeft, // scroll / move window (w/ PadMenu) // e.g. Left Analog Stick Left/Right/Up/Down + ImGuiNavInput_LStickRight, // + ImGuiNavInput_LStickUp, // + ImGuiNavInput_LStickDown, // + ImGuiNavInput_FocusPrev, // next window (w/ PadMenu) // e.g. L1 or L2 (PS4), LB or LT (Xbox), L or ZL (Switch) + ImGuiNavInput_FocusNext, // prev window (w/ PadMenu) // e.g. R1 or R2 (PS4), RB or RT (Xbox), R or ZL (Switch) + ImGuiNavInput_TweakSlow, // slower tweaks // e.g. L1 or L2 (PS4), LB or LT (Xbox), L or ZL (Switch) + ImGuiNavInput_TweakFast, // faster tweaks // e.g. R1 or R2 (PS4), RB or RT (Xbox), R or ZL (Switch) + + // [Internal] Don't use directly! This is used internally to differentiate keyboard from gamepad inputs for behaviors that require to differentiate them. + // Keyboard behavior that have no corresponding gamepad mapping (e.g. CTRL+TAB) will be directly reading from io.KeysDown[] instead of io.NavInputs[]. + ImGuiNavInput_KeyMenu_, // toggle menu // = io.KeyAlt + ImGuiNavInput_KeyLeft_, // move left // = Arrow keys + ImGuiNavInput_KeyRight_, // move right + ImGuiNavInput_KeyUp_, // move up + ImGuiNavInput_KeyDown_, // move down + ImGuiNavInput_COUNT, + ImGuiNavInput_InternalStart_ = ImGuiNavInput_KeyMenu_ +}; + +// Configuration flags stored in io.ConfigFlags. Set by user/application. +enum ImGuiConfigFlags_ +{ + ImGuiConfigFlags_None = 0, + ImGuiConfigFlags_NavEnableKeyboard = 1 << 0, // Master keyboard navigation enable flag. NewFrame() will automatically fill io.NavInputs[] based on io.KeysDown[]. + ImGuiConfigFlags_NavEnableGamepad = 1 << 1, // Master gamepad navigation enable flag. This is mostly to instruct your imgui back-end to fill io.NavInputs[]. Back-end also needs to set ImGuiBackendFlags_HasGamepad. + ImGuiConfigFlags_NavEnableSetMousePos = 1 << 2, // Instruct navigation to move the mouse cursor. May be useful on TV/console systems where moving a virtual mouse is awkward. Will update io.MousePos and set io.WantSetMousePos=true. If enabled you MUST honor io.WantSetMousePos requests in your binding, otherwise ImGui will react as if the mouse is jumping around back and forth. + ImGuiConfigFlags_NavNoCaptureKeyboard = 1 << 3, // Instruct navigation to not set the io.WantCaptureKeyboard flag when io.NavActive is set. + ImGuiConfigFlags_NoMouse = 1 << 4, // Instruct imgui to clear mouse position/buttons in NewFrame(). This allows ignoring the mouse information set by the back-end. + ImGuiConfigFlags_NoMouseCursorChange = 1 << 5, // Instruct back-end to not alter mouse cursor shape and visibility. Use if the back-end cursor changes are interfering with yours and you don't want to use SetMouseCursor() to change mouse cursor. You may want to honor requests from imgui by reading GetMouseCursor() yourself instead. + + // User storage (to allow your back-end/engine to communicate to code that may be shared between multiple projects. Those flags are not used by core Dear ImGui) + ImGuiConfigFlags_IsSRGB = 1 << 20, // Application is SRGB-aware. + ImGuiConfigFlags_IsTouchScreen = 1 << 21 // Application is using a touch screen instead of a mouse. +}; + +// Back-end capabilities flags stored in io.BackendFlags. Set by imgui_impl_xxx or custom back-end. +enum ImGuiBackendFlags_ +{ + ImGuiBackendFlags_None = 0, + ImGuiBackendFlags_HasGamepad = 1 << 0, // Back-end Platform supports gamepad and currently has one connected. + ImGuiBackendFlags_HasMouseCursors = 1 << 1, // Back-end Platform supports honoring GetMouseCursor() value to change the OS cursor shape. + ImGuiBackendFlags_HasSetMousePos = 1 << 2, // Back-end Platform supports io.WantSetMousePos requests to reposition the OS mouse position (only used if ImGuiConfigFlags_NavEnableSetMousePos is set). + ImGuiBackendFlags_RendererHasVtxOffset = 1 << 3 // Back-end Renderer supports ImDrawCmd::VtxOffset. This enables output of large meshes (64K+ vertices) while still using 16-bit indices. +}; + +// Enumeration for PushStyleColor() / PopStyleColor() +enum ImGuiCol_ +{ + ImGuiCol_Text, + ImGuiCol_TextDisabled, + ImGuiCol_WindowBg, // Background of normal windows + ImGuiCol_ChildBg, // Background of child windows + ImGuiCol_PopupBg, // Background of popups, menus, tooltips windows + ImGuiCol_Border, + ImGuiCol_BorderShadow, + ImGuiCol_FrameBg, // Background of checkbox, radio button, plot, slider, text input + ImGuiCol_FrameBgHovered, + ImGuiCol_FrameBgActive, + ImGuiCol_TitleBg, + ImGuiCol_TitleBgActive, + ImGuiCol_TitleBgCollapsed, + ImGuiCol_MenuBarBg, + ImGuiCol_ScrollbarBg, + ImGuiCol_ScrollbarGrab, + ImGuiCol_ScrollbarGrabHovered, + ImGuiCol_ScrollbarGrabActive, + ImGuiCol_CheckMark, + ImGuiCol_SliderGrab, + ImGuiCol_SliderGrabActive, + ImGuiCol_Button, + ImGuiCol_ButtonHovered, + ImGuiCol_ButtonActive, + ImGuiCol_Header, // Header* colors are used for CollapsingHeader, TreeNode, Selectable, MenuItem + ImGuiCol_HeaderHovered, + ImGuiCol_HeaderActive, + ImGuiCol_Separator, + ImGuiCol_SeparatorHovered, + ImGuiCol_SeparatorActive, + ImGuiCol_ResizeGrip, + ImGuiCol_ResizeGripHovered, + ImGuiCol_ResizeGripActive, + ImGuiCol_Tab, + ImGuiCol_TabHovered, + ImGuiCol_TabActive, + ImGuiCol_TabUnfocused, + ImGuiCol_TabUnfocusedActive, + ImGuiCol_PlotLines, + ImGuiCol_PlotLinesHovered, + ImGuiCol_PlotHistogram, + ImGuiCol_PlotHistogramHovered, + ImGuiCol_TextSelectedBg, + ImGuiCol_DragDropTarget, + ImGuiCol_NavHighlight, // Gamepad/keyboard: current highlighted item + ImGuiCol_NavWindowingHighlight, // Highlight window when using CTRL+TAB + ImGuiCol_NavWindowingDimBg, // Darken/colorize entire screen behind the CTRL+TAB window list, when active + ImGuiCol_ModalWindowDimBg, // Darken/colorize entire screen behind a modal window, when one is active + ImGuiCol_COUNT + + // Obsolete names (will be removed) +#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS + , ImGuiCol_ModalWindowDarkening = ImGuiCol_ModalWindowDimBg // [renamed in 1.63] + //, ImGuiCol_CloseButton, ImGuiCol_CloseButtonActive, ImGuiCol_CloseButtonHovered// [unused since 1.60+] the close button now uses regular button colors. +#endif +}; + +// Enumeration for PushStyleVar() / PopStyleVar() to temporarily modify the ImGuiStyle structure. +// NB: the enum only refers to fields of ImGuiStyle which makes sense to be pushed/popped inside UI code. During initialization, feel free to just poke into ImGuiStyle directly. +// NB: if changing this enum, you need to update the associated internal table GStyleVarInfo[] accordingly. This is where we link enum values to members offset/type. +enum ImGuiStyleVar_ +{ + // Enum name --------------------- // Member in ImGuiStyle structure (see ImGuiStyle for descriptions) + ImGuiStyleVar_Alpha, // float Alpha + ImGuiStyleVar_WindowPadding, // ImVec2 WindowPadding + ImGuiStyleVar_WindowRounding, // float WindowRounding + ImGuiStyleVar_WindowBorderSize, // float WindowBorderSize + ImGuiStyleVar_WindowMinSize, // ImVec2 WindowMinSize + ImGuiStyleVar_WindowTitleAlign, // ImVec2 WindowTitleAlign + ImGuiStyleVar_ChildRounding, // float ChildRounding + ImGuiStyleVar_ChildBorderSize, // float ChildBorderSize + ImGuiStyleVar_PopupRounding, // float PopupRounding + ImGuiStyleVar_PopupBorderSize, // float PopupBorderSize + ImGuiStyleVar_FramePadding, // ImVec2 FramePadding + ImGuiStyleVar_FrameRounding, // float FrameRounding + ImGuiStyleVar_FrameBorderSize, // float FrameBorderSize + ImGuiStyleVar_ItemSpacing, // ImVec2 ItemSpacing + ImGuiStyleVar_ItemInnerSpacing, // ImVec2 ItemInnerSpacing + ImGuiStyleVar_IndentSpacing, // float IndentSpacing + ImGuiStyleVar_ScrollbarSize, // float ScrollbarSize + ImGuiStyleVar_ScrollbarRounding, // float ScrollbarRounding + ImGuiStyleVar_GrabMinSize, // float GrabMinSize + ImGuiStyleVar_GrabRounding, // float GrabRounding + ImGuiStyleVar_TabRounding, // float TabRounding + ImGuiStyleVar_ButtonTextAlign, // ImVec2 ButtonTextAlign + ImGuiStyleVar_SelectableTextAlign, // ImVec2 SelectableTextAlign + ImGuiStyleVar_COUNT + + // Obsolete names (will be removed) +#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS + , ImGuiStyleVar_Count_ = ImGuiStyleVar_COUNT // [renamed in 1.60] +#endif +}; + +// Flags for ColorEdit3() / ColorEdit4() / ColorPicker3() / ColorPicker4() / ColorButton() +enum ImGuiColorEditFlags_ +{ + ImGuiColorEditFlags_None = 0, + ImGuiColorEditFlags_NoAlpha = 1 << 1, // // ColorEdit, ColorPicker, ColorButton: ignore Alpha component (will only read 3 components from the input pointer). + ImGuiColorEditFlags_NoPicker = 1 << 2, // // ColorEdit: disable picker when clicking on colored square. + ImGuiColorEditFlags_NoOptions = 1 << 3, // // ColorEdit: disable toggling options menu when right-clicking on inputs/small preview. + ImGuiColorEditFlags_NoSmallPreview = 1 << 4, // // ColorEdit, ColorPicker: disable colored square preview next to the inputs. (e.g. to show only the inputs) + ImGuiColorEditFlags_NoInputs = 1 << 5, // // ColorEdit, ColorPicker: disable inputs sliders/text widgets (e.g. to show only the small preview colored square). + ImGuiColorEditFlags_NoTooltip = 1 << 6, // // ColorEdit, ColorPicker, ColorButton: disable tooltip when hovering the preview. + ImGuiColorEditFlags_NoLabel = 1 << 7, // // ColorEdit, ColorPicker: disable display of inline text label (the label is still forwarded to the tooltip and picker). + ImGuiColorEditFlags_NoSidePreview = 1 << 8, // // ColorPicker: disable bigger color preview on right side of the picker, use small colored square preview instead. + ImGuiColorEditFlags_NoDragDrop = 1 << 9, // // ColorEdit: disable drag and drop target. ColorButton: disable drag and drop source. + ImGuiColorEditFlags_NoBorder = 1 << 10, // // ColorButton: disable border (which is enforced by default) + + // User Options (right-click on widget to change some of them). + ImGuiColorEditFlags_AlphaBar = 1 << 16, // // ColorEdit, ColorPicker: show vertical alpha bar/gradient in picker. + ImGuiColorEditFlags_AlphaPreview = 1 << 17, // // ColorEdit, ColorPicker, ColorButton: display preview as a transparent color over a checkerboard, instead of opaque. + ImGuiColorEditFlags_AlphaPreviewHalf= 1 << 18, // // ColorEdit, ColorPicker, ColorButton: display half opaque / half checkerboard, instead of opaque. + ImGuiColorEditFlags_HDR = 1 << 19, // // (WIP) ColorEdit: Currently only disable 0.0f..1.0f limits in RGBA edition (note: you probably want to use ImGuiColorEditFlags_Float flag as well). + ImGuiColorEditFlags_DisplayRGB = 1 << 20, // [Display] // ColorEdit: override _display_ type among RGB/HSV/Hex. ColorPicker: select any combination using one or more of RGB/HSV/Hex. + ImGuiColorEditFlags_DisplayHSV = 1 << 21, // [Display] // " + ImGuiColorEditFlags_DisplayHex = 1 << 22, // [Display] // " + ImGuiColorEditFlags_Uint8 = 1 << 23, // [DataType] // ColorEdit, ColorPicker, ColorButton: _display_ values formatted as 0..255. + ImGuiColorEditFlags_Float = 1 << 24, // [DataType] // ColorEdit, ColorPicker, ColorButton: _display_ values formatted as 0.0f..1.0f floats instead of 0..255 integers. No round-trip of value via integers. + ImGuiColorEditFlags_PickerHueBar = 1 << 25, // [Picker] // ColorPicker: bar for Hue, rectangle for Sat/Value. + ImGuiColorEditFlags_PickerHueWheel = 1 << 26, // [Picker] // ColorPicker: wheel for Hue, triangle for Sat/Value. + ImGuiColorEditFlags_InputRGB = 1 << 27, // [Input] // ColorEdit, ColorPicker: input and output data in RGB format. + ImGuiColorEditFlags_InputHSV = 1 << 28, // [Input] // ColorEdit, ColorPicker: input and output data in HSV format. + + // Defaults Options. You can set application defaults using SetColorEditOptions(). The intent is that you probably don't want to + // override them in most of your calls. Let the user choose via the option menu and/or call SetColorEditOptions() once during startup. + ImGuiColorEditFlags__OptionsDefault = ImGuiColorEditFlags_Uint8|ImGuiColorEditFlags_DisplayRGB|ImGuiColorEditFlags_InputRGB|ImGuiColorEditFlags_PickerHueBar, + + // [Internal] Masks + ImGuiColorEditFlags__DisplayMask = ImGuiColorEditFlags_DisplayRGB|ImGuiColorEditFlags_DisplayHSV|ImGuiColorEditFlags_DisplayHex, + ImGuiColorEditFlags__DataTypeMask = ImGuiColorEditFlags_Uint8|ImGuiColorEditFlags_Float, + ImGuiColorEditFlags__PickerMask = ImGuiColorEditFlags_PickerHueWheel|ImGuiColorEditFlags_PickerHueBar, + ImGuiColorEditFlags__InputMask = ImGuiColorEditFlags_InputRGB|ImGuiColorEditFlags_InputHSV + + // Obsolete names (will be removed) +#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS + , ImGuiColorEditFlags_RGB = ImGuiColorEditFlags_DisplayRGB, ImGuiColorEditFlags_HSV = ImGuiColorEditFlags_DisplayHSV, ImGuiColorEditFlags_HEX = ImGuiColorEditFlags_DisplayHex // [renamed in 1.69] +#endif +}; + +// Identify a mouse button. +// Those values are guaranteed to be stable and we frequently use 0/1 directly. Named enums provided for convenience. +enum ImGuiMouseButton_ +{ + ImGuiMouseButton_Left = 0, + ImGuiMouseButton_Right = 1, + ImGuiMouseButton_Middle = 2, + ImGuiMouseButton_COUNT = 5 +}; + +// Enumeration for GetMouseCursor() +// User code may request binding to display given cursor by calling SetMouseCursor(), which is why we have some cursors that are marked unused here +enum ImGuiMouseCursor_ +{ + ImGuiMouseCursor_None = -1, + ImGuiMouseCursor_Arrow = 0, + ImGuiMouseCursor_TextInput, // When hovering over InputText, etc. + ImGuiMouseCursor_ResizeAll, // (Unused by Dear ImGui functions) + ImGuiMouseCursor_ResizeNS, // When hovering over an horizontal border + ImGuiMouseCursor_ResizeEW, // When hovering over a vertical border or a column + ImGuiMouseCursor_ResizeNESW, // When hovering over the bottom-left corner of a window + ImGuiMouseCursor_ResizeNWSE, // When hovering over the bottom-right corner of a window + ImGuiMouseCursor_Hand, // (Unused by Dear ImGui functions. Use for e.g. hyperlinks) + ImGuiMouseCursor_NotAllowed, // When hovering something with disallowed interaction. Usually a crossed circle. + ImGuiMouseCursor_COUNT + + // Obsolete names (will be removed) +#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS + , ImGuiMouseCursor_Count_ = ImGuiMouseCursor_COUNT // [renamed in 1.60] +#endif +}; + +// Enumeration for ImGui::SetWindow***(), SetNextWindow***(), SetNextItem***() functions +// Represent a condition. +// Important: Treat as a regular enum! Do NOT combine multiple values using binary operators! All the functions above treat 0 as a shortcut to ImGuiCond_Always. +enum ImGuiCond_ +{ + ImGuiCond_Always = 1 << 0, // Set the variable + ImGuiCond_Once = 1 << 1, // Set the variable once per runtime session (only the first call with succeed) + ImGuiCond_FirstUseEver = 1 << 2, // Set the variable if the object/window has no persistently saved data (no entry in .ini file) + ImGuiCond_Appearing = 1 << 3 // Set the variable if the object/window is appearing after being hidden/inactive (or the first time) +}; + +//----------------------------------------------------------------------------- +// Helpers: Memory allocations macros +// IM_MALLOC(), IM_FREE(), IM_NEW(), IM_PLACEMENT_NEW(), IM_DELETE() +// We call C++ constructor on own allocated memory via the placement "new(ptr) Type()" syntax. +// Defining a custom placement new() with a dummy parameter allows us to bypass including which on some platforms complains when user has disabled exceptions. +//----------------------------------------------------------------------------- + +struct ImNewDummy {}; +inline void* operator new(size_t, ImNewDummy, void* ptr) { return ptr; } +inline void operator delete(void*, ImNewDummy, void*) {} // This is only required so we can use the symmetrical new() +#define IM_ALLOC(_SIZE) ImGui::MemAlloc(_SIZE) +#define IM_FREE(_PTR) ImGui::MemFree(_PTR) +#define IM_PLACEMENT_NEW(_PTR) new(ImNewDummy(), _PTR) +#define IM_NEW(_TYPE) new(ImNewDummy(), ImGui::MemAlloc(sizeof(_TYPE))) _TYPE +template void IM_DELETE(T* p) { if (p) { p->~T(); ImGui::MemFree(p); } } + +//----------------------------------------------------------------------------- +// Helper: ImVector<> +// Lightweight std::vector<>-like class to avoid dragging dependencies (also, some implementations of STL with debug enabled are absurdly slow, we bypass it so our code runs fast in debug). +//----------------------------------------------------------------------------- +// - You generally do NOT need to care or use this ever. But we need to make it available in imgui.h because some of our public structures are relying on it. +// - We use std-like naming convention here, which is a little unusual for this codebase. +// - Important: clear() frees memory, resize(0) keep the allocated buffer. We use resize(0) a lot to intentionally recycle allocated buffers across frames and amortize our costs. +// - Important: our implementation does NOT call C++ constructors/destructors, we treat everything as raw data! This is intentional but be extra mindful of that, +// Do NOT use this class as a std::vector replacement in your own code! Many of the structures used by dear imgui can be safely initialized by a zero-memset. +//----------------------------------------------------------------------------- + +template +struct ImVector +{ + int Size; + int Capacity; + T* Data; + + // Provide standard typedefs but we don't use them ourselves. + typedef T value_type; + typedef value_type* iterator; + typedef const value_type* const_iterator; + + // Constructors, destructor + inline ImVector() { Size = Capacity = 0; Data = NULL; } + inline ImVector(const ImVector& src) { Size = Capacity = 0; Data = NULL; operator=(src); } + inline ImVector& operator=(const ImVector& src) { clear(); resize(src.Size); memcpy(Data, src.Data, (size_t)Size * sizeof(T)); return *this; } + inline ~ImVector() { if (Data) IM_FREE(Data); } + + inline bool empty() const { return Size == 0; } + inline int size() const { return Size; } + inline int size_in_bytes() const { return Size * (int)sizeof(T); } + inline int capacity() const { return Capacity; } + inline T& operator[](int i) { IM_ASSERT(i < Size); return Data[i]; } + inline const T& operator[](int i) const { IM_ASSERT(i < Size); return Data[i]; } + + inline void clear() { if (Data) { Size = Capacity = 0; IM_FREE(Data); Data = NULL; } } + inline T* begin() { return Data; } + inline const T* begin() const { return Data; } + inline T* end() { return Data + Size; } + inline const T* end() const { return Data + Size; } + inline T& front() { IM_ASSERT(Size > 0); return Data[0]; } + inline const T& front() const { IM_ASSERT(Size > 0); return Data[0]; } + inline T& back() { IM_ASSERT(Size > 0); return Data[Size - 1]; } + inline const T& back() const { IM_ASSERT(Size > 0); return Data[Size - 1]; } + inline void swap(ImVector& rhs) { int rhs_size = rhs.Size; rhs.Size = Size; Size = rhs_size; int rhs_cap = rhs.Capacity; rhs.Capacity = Capacity; Capacity = rhs_cap; T* rhs_data = rhs.Data; rhs.Data = Data; Data = rhs_data; } + + inline int _grow_capacity(int sz) const { int new_capacity = Capacity ? (Capacity + Capacity/2) : 8; return new_capacity > sz ? new_capacity : sz; } + inline void resize(int new_size) { if (new_size > Capacity) reserve(_grow_capacity(new_size)); Size = new_size; } + inline void resize(int new_size, const T& v) { if (new_size > Capacity) reserve(_grow_capacity(new_size)); if (new_size > Size) for (int n = Size; n < new_size; n++) memcpy(&Data[n], &v, sizeof(v)); Size = new_size; } + inline void shrink(int new_size) { IM_ASSERT(new_size <= Size); Size = new_size; } // Resize a vector to a smaller size, guaranteed not to cause a reallocation + inline void reserve(int new_capacity) { if (new_capacity <= Capacity) return; T* new_data = (T*)IM_ALLOC((size_t)new_capacity * sizeof(T)); if (Data) { memcpy(new_data, Data, (size_t)Size * sizeof(T)); IM_FREE(Data); } Data = new_data; Capacity = new_capacity; } + + // NB: It is illegal to call push_back/push_front/insert with a reference pointing inside the ImVector data itself! e.g. v.push_back(v[10]) is forbidden. + inline void push_back(const T& v) { if (Size == Capacity) reserve(_grow_capacity(Size + 1)); memcpy(&Data[Size], &v, sizeof(v)); Size++; } + inline void pop_back() { IM_ASSERT(Size > 0); Size--; } + inline void push_front(const T& v) { if (Size == 0) push_back(v); else insert(Data, v); } + inline T* erase(const T* it) { IM_ASSERT(it >= Data && it < Data+Size); const ptrdiff_t off = it - Data; memmove(Data + off, Data + off + 1, ((size_t)Size - (size_t)off - 1) * sizeof(T)); Size--; return Data + off; } + inline T* erase(const T* it, const T* it_last){ IM_ASSERT(it >= Data && it < Data+Size && it_last > it && it_last <= Data+Size); const ptrdiff_t count = it_last - it; const ptrdiff_t off = it - Data; memmove(Data + off, Data + off + count, ((size_t)Size - (size_t)off - count) * sizeof(T)); Size -= (int)count; return Data + off; } + inline T* erase_unsorted(const T* it) { IM_ASSERT(it >= Data && it < Data+Size); const ptrdiff_t off = it - Data; if (it < Data+Size-1) memcpy(Data + off, Data + Size - 1, sizeof(T)); Size--; return Data + off; } + inline T* insert(const T* it, const T& v) { IM_ASSERT(it >= Data && it <= Data+Size); const ptrdiff_t off = it - Data; if (Size == Capacity) reserve(_grow_capacity(Size + 1)); if (off < (int)Size) memmove(Data + off + 1, Data + off, ((size_t)Size - (size_t)off) * sizeof(T)); memcpy(&Data[off], &v, sizeof(v)); Size++; return Data + off; } + inline bool contains(const T& v) const { const T* data = Data; const T* data_end = Data + Size; while (data < data_end) if (*data++ == v) return true; return false; } + inline T* find(const T& v) { T* data = Data; const T* data_end = Data + Size; while (data < data_end) if (*data == v) break; else ++data; return data; } + inline const T* find(const T& v) const { const T* data = Data; const T* data_end = Data + Size; while (data < data_end) if (*data == v) break; else ++data; return data; } + inline bool find_erase(const T& v) { const T* it = find(v); if (it < Data + Size) { erase(it); return true; } return false; } + inline bool find_erase_unsorted(const T& v) { const T* it = find(v); if (it < Data + Size) { erase_unsorted(it); return true; } return false; } + inline int index_from_ptr(const T* it) const { IM_ASSERT(it >= Data && it < Data + Size); const ptrdiff_t off = it - Data; return (int)off; } +}; + +//----------------------------------------------------------------------------- +// ImGuiStyle +// You may modify the ImGui::GetStyle() main instance during initialization and before NewFrame(). +// During the frame, use ImGui::PushStyleVar(ImGuiStyleVar_XXXX)/PopStyleVar() to alter the main style values, +// and ImGui::PushStyleColor(ImGuiCol_XXX)/PopStyleColor() for colors. +//----------------------------------------------------------------------------- + +struct ImGuiStyle +{ + float Alpha; // Global alpha applies to everything in Dear ImGui. + ImVec2 WindowPadding; // Padding within a window. + float WindowRounding; // Radius of window corners rounding. Set to 0.0f to have rectangular windows. + float WindowBorderSize; // Thickness of border around windows. Generally set to 0.0f or 1.0f. (Other values are not well tested and more CPU/GPU costly). + ImVec2 WindowMinSize; // Minimum window size. This is a global setting. If you want to constraint individual windows, use SetNextWindowSizeConstraints(). + ImVec2 WindowTitleAlign; // Alignment for title bar text. Defaults to (0.0f,0.5f) for left-aligned,vertically centered. + ImGuiDir WindowMenuButtonPosition; // Side of the collapsing/docking button in the title bar (None/Left/Right). Defaults to ImGuiDir_Left. + float ChildRounding; // Radius of child window corners rounding. Set to 0.0f to have rectangular windows. + float ChildBorderSize; // Thickness of border around child windows. Generally set to 0.0f or 1.0f. (Other values are not well tested and more CPU/GPU costly). + float PopupRounding; // Radius of popup window corners rounding. (Note that tooltip windows use WindowRounding) + float PopupBorderSize; // Thickness of border around popup/tooltip windows. Generally set to 0.0f or 1.0f. (Other values are not well tested and more CPU/GPU costly). + ImVec2 FramePadding; // Padding within a framed rectangle (used by most widgets). + float FrameRounding; // Radius of frame corners rounding. Set to 0.0f to have rectangular frame (used by most widgets). + float FrameBorderSize; // Thickness of border around frames. Generally set to 0.0f or 1.0f. (Other values are not well tested and more CPU/GPU costly). + ImVec2 ItemSpacing; // Horizontal and vertical spacing between widgets/lines. + ImVec2 ItemInnerSpacing; // Horizontal and vertical spacing between within elements of a composed widget (e.g. a slider and its label). + ImVec2 TouchExtraPadding; // Expand reactive bounding box for touch-based system where touch position is not accurate enough. Unfortunately we don't sort widgets so priority on overlap will always be given to the first widget. So don't grow this too much! + float IndentSpacing; // Horizontal indentation when e.g. entering a tree node. Generally == (FontSize + FramePadding.x*2). + float ColumnsMinSpacing; // Minimum horizontal spacing between two columns. Preferably > (FramePadding.x + 1). + float ScrollbarSize; // Width of the vertical scrollbar, Height of the horizontal scrollbar. + float ScrollbarRounding; // Radius of grab corners for scrollbar. + float GrabMinSize; // Minimum width/height of a grab box for slider/scrollbar. + float GrabRounding; // Radius of grabs corners rounding. Set to 0.0f to have rectangular slider grabs. + float TabRounding; // Radius of upper corners of a tab. Set to 0.0f to have rectangular tabs. + float TabBorderSize; // Thickness of border around tabs. + ImGuiDir ColorButtonPosition; // Side of the color button in the ColorEdit4 widget (left/right). Defaults to ImGuiDir_Right. + ImVec2 ButtonTextAlign; // Alignment of button text when button is larger than text. Defaults to (0.5f, 0.5f) (centered). + ImVec2 SelectableTextAlign; // Alignment of selectable text when selectable is larger than text. Defaults to (0.0f, 0.0f) (top-left aligned). + ImVec2 DisplayWindowPadding; // Window position are clamped to be visible within the display area by at least this amount. Only applies to regular windows. + ImVec2 DisplaySafeAreaPadding; // If you cannot see the edges of your screen (e.g. on a TV) increase the safe area padding. Apply to popups/tooltips as well regular windows. NB: Prefer configuring your TV sets correctly! + float MouseCursorScale; // Scale software rendered mouse cursor (when io.MouseDrawCursor is enabled). May be removed later. + bool AntiAliasedLines; // Enable anti-aliasing on lines/borders. Disable if you are really tight on CPU/GPU. + bool AntiAliasedFill; // Enable anti-aliasing on filled shapes (rounded rectangles, circles, etc.) + float CurveTessellationTol; // Tessellation tolerance when using PathBezierCurveTo() without a specific number of segments. Decrease for highly tessellated curves (higher quality, more polygons), increase to reduce quality. + float CircleSegmentMaxError; // Maximum error (in pixels) allowed when using AddCircle()/AddCircleFilled() or drawing rounded corner rectangles with no explicit segment count specified. Decrease for higher quality but more geometry. + ImVec4 Colors[ImGuiCol_COUNT]; + + IMGUI_API ImGuiStyle(); + IMGUI_API void ScaleAllSizes(float scale_factor); +}; + +//----------------------------------------------------------------------------- +// ImGuiIO +// Communicate most settings and inputs/outputs to Dear ImGui using this structure. +// Access via ImGui::GetIO(). Read 'Programmer guide' section in .cpp file for general usage. +//----------------------------------------------------------------------------- + +struct ImGuiIO +{ + //------------------------------------------------------------------ + // Configuration (fill once) // Default value + //------------------------------------------------------------------ + + ImGuiConfigFlags ConfigFlags; // = 0 // See ImGuiConfigFlags_ enum. Set by user/application. Gamepad/keyboard navigation options, etc. + ImGuiBackendFlags BackendFlags; // = 0 // See ImGuiBackendFlags_ enum. Set by back-end (imgui_impl_xxx files or custom back-end) to communicate features supported by the back-end. + ImVec2 DisplaySize; // // Main display size, in pixels. + float DeltaTime; // = 1.0f/60.0f // Time elapsed since last frame, in seconds. + float IniSavingRate; // = 5.0f // Minimum time between saving positions/sizes to .ini file, in seconds. + const char* IniFilename; // = "imgui.ini" // Path to .ini file. Set NULL to disable automatic .ini loading/saving, if e.g. you want to manually load/save from memory. + const char* LogFilename; // = "imgui_log.txt"// Path to .log file (default parameter to ImGui::LogToFile when no file is specified). + float MouseDoubleClickTime; // = 0.30f // Time for a double-click, in seconds. + float MouseDoubleClickMaxDist; // = 6.0f // Distance threshold to stay in to validate a double-click, in pixels. + float MouseDragThreshold; // = 6.0f // Distance threshold before considering we are dragging. + int KeyMap[ImGuiKey_COUNT]; // // Map of indices into the KeysDown[512] entries array which represent your "native" keyboard state. + float KeyRepeatDelay; // = 0.250f // When holding a key/button, time before it starts repeating, in seconds (for buttons in Repeat mode, etc.). + float KeyRepeatRate; // = 0.050f // When holding a key/button, rate at which it repeats, in seconds. + void* UserData; // = NULL // Store your own data for retrieval by callbacks. + + ImFontAtlas*Fonts; // // Font atlas: load, rasterize and pack one or more fonts into a single texture. + float FontGlobalScale; // = 1.0f // Global scale all fonts + bool FontAllowUserScaling; // = false // Allow user scaling text of individual window with CTRL+Wheel. + ImFont* FontDefault; // = NULL // Font to use on NewFrame(). Use NULL to uses Fonts->Fonts[0]. + ImVec2 DisplayFramebufferScale; // = (1, 1) // For retina display or other situations where window coordinates are different from framebuffer coordinates. This generally ends up in ImDrawData::FramebufferScale. + + // Miscellaneous options + bool MouseDrawCursor; // = false // Request ImGui to draw a mouse cursor for you (if you are on a platform without a mouse cursor). Cannot be easily renamed to 'io.ConfigXXX' because this is frequently used by back-end implementations. + bool ConfigMacOSXBehaviors; // = defined(__APPLE__) // OS X style: Text editing cursor movement using Alt instead of Ctrl, Shortcuts using Cmd/Super instead of Ctrl, Line/Text Start and End using Cmd+Arrows instead of Home/End, Double click selects by word instead of selecting whole text, Multi-selection in lists uses Cmd/Super instead of Ctrl (was called io.OptMacOSXBehaviors prior to 1.63) + bool ConfigInputTextCursorBlink; // = true // Set to false to disable blinking cursor, for users who consider it distracting. (was called: io.OptCursorBlink prior to 1.63) + bool ConfigWindowsResizeFromEdges; // = true // Enable resizing of windows from their edges and from the lower-left corner. This requires (io.BackendFlags & ImGuiBackendFlags_HasMouseCursors) because it needs mouse cursor feedback. (This used to be a per-window ImGuiWindowFlags_ResizeFromAnySide flag) + bool ConfigWindowsMoveFromTitleBarOnly; // = false // [BETA] Set to true to only allow moving windows when clicked+dragged from the title bar. Windows without a title bar are not affected. + float ConfigWindowsMemoryCompactTimer;// = 60.0f // [BETA] Compact window memory usage when unused. Set to -1.0f to disable. + + //------------------------------------------------------------------ + // Platform Functions + // (the imgui_impl_xxxx back-end files are setting those up for you) + //------------------------------------------------------------------ + + // Optional: Platform/Renderer back-end name (informational only! will be displayed in About Window) + User data for back-end/wrappers to store their own stuff. + const char* BackendPlatformName; // = NULL + const char* BackendRendererName; // = NULL + void* BackendPlatformUserData; // = NULL // User data for platform back-end + void* BackendRendererUserData; // = NULL // User data for renderer back-end + void* BackendLanguageUserData; // = NULL // User data for non C++ programming language back-end + + // Optional: Access OS clipboard + // (default to use native Win32 clipboard on Windows, otherwise uses a private clipboard. Override to access OS clipboard on other architectures) + const char* (*GetClipboardTextFn)(void* user_data); + void (*SetClipboardTextFn)(void* user_data, const char* text); + void* ClipboardUserData; + + // Optional: Notify OS Input Method Editor of the screen position of your cursor for text input position (e.g. when using Japanese/Chinese IME on Windows) + // (default to use native imm32 api on Windows) + void (*ImeSetInputScreenPosFn)(int x, int y); + void* ImeWindowHandle; // = NULL // (Windows) Set this to your HWND to get automatic IME cursor positioning. + +#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS + // [OBSOLETE since 1.60+] Rendering function, will be automatically called in Render(). Please call your rendering function yourself now! + // You can obtain the ImDrawData* by calling ImGui::GetDrawData() after Render(). See example applications if you are unsure of how to implement this. + void (*RenderDrawListsFn)(ImDrawData* data); +#else + // This is only here to keep ImGuiIO the same size/layout, so that IMGUI_DISABLE_OBSOLETE_FUNCTIONS can exceptionally be used outside of imconfig.h. + void* RenderDrawListsFnUnused; +#endif + + //------------------------------------------------------------------ + // Input - Fill before calling NewFrame() + //------------------------------------------------------------------ + + ImVec2 MousePos; // Mouse position, in pixels. Set to ImVec2(-FLT_MAX,-FLT_MAX) if mouse is unavailable (on another screen, etc.) + bool MouseDown[5]; // Mouse buttons: 0=left, 1=right, 2=middle + extras. ImGui itself mostly only uses left button (BeginPopupContext** are using right button). Others buttons allows us to track if the mouse is being used by your application + available to user as a convenience via IsMouse** API. + float MouseWheel; // Mouse wheel Vertical: 1 unit scrolls about 5 lines text. + float MouseWheelH; // Mouse wheel Horizontal. Most users don't have a mouse with an horizontal wheel, may not be filled by all back-ends. + bool KeyCtrl; // Keyboard modifier pressed: Control + bool KeyShift; // Keyboard modifier pressed: Shift + bool KeyAlt; // Keyboard modifier pressed: Alt + bool KeySuper; // Keyboard modifier pressed: Cmd/Super/Windows + bool KeysDown[512]; // Keyboard keys that are pressed (ideally left in the "native" order your engine has access to keyboard keys, so you can use your own defines/enums for keys). + float NavInputs[ImGuiNavInput_COUNT]; // Gamepad inputs. Cleared back to zero by EndFrame(). Keyboard keys will be auto-mapped and be written here by NewFrame(). + + // Functions + IMGUI_API void AddInputCharacter(unsigned int c); // Queue new character input + IMGUI_API void AddInputCharacterUTF16(ImWchar16 c); // Queue new character input from an UTF-16 character, it can be a surrogate + IMGUI_API void AddInputCharactersUTF8(const char* str); // Queue new characters input from an UTF-8 string + IMGUI_API void ClearInputCharacters(); // Clear the text input buffer manually + + //------------------------------------------------------------------ + // Output - Retrieve after calling NewFrame() + //------------------------------------------------------------------ + + bool WantCaptureMouse; // When io.WantCaptureMouse is true, imgui will use the mouse inputs, do not dispatch them to your main game/application (in both cases, always pass on mouse inputs to imgui). (e.g. unclicked mouse is hovering over an imgui window, widget is active, mouse was clicked over an imgui window, etc.). + bool WantCaptureKeyboard; // When io.WantCaptureKeyboard is true, imgui will use the keyboard inputs, do not dispatch them to your main game/application (in both cases, always pass keyboard inputs to imgui). (e.g. InputText active, or an imgui window is focused and navigation is enabled, etc.). + bool WantTextInput; // Mobile/console: when io.WantTextInput is true, you may display an on-screen keyboard. This is set by ImGui when it wants textual keyboard input to happen (e.g. when a InputText widget is active). + bool WantSetMousePos; // MousePos has been altered, back-end should reposition mouse on next frame. Set only when ImGuiConfigFlags_NavEnableSetMousePos flag is enabled. + bool WantSaveIniSettings; // When manual .ini load/save is active (io.IniFilename == NULL), this will be set to notify your application that you can call SaveIniSettingsToMemory() and save yourself. IMPORTANT: You need to clear io.WantSaveIniSettings yourself. + bool NavActive; // Directional navigation is currently allowed (will handle ImGuiKey_NavXXX events) = a window is focused and it doesn't use the ImGuiWindowFlags_NoNavInputs flag. + bool NavVisible; // Directional navigation is visible and allowed (will handle ImGuiKey_NavXXX events). + float Framerate; // Application framerate estimation, in frame per second. Solely for convenience. Rolling average estimation based on IO.DeltaTime over 120 frames + int MetricsRenderVertices; // Vertices output during last call to Render() + int MetricsRenderIndices; // Indices output during last call to Render() = number of triangles * 3 + int MetricsRenderWindows; // Number of visible windows + int MetricsActiveWindows; // Number of active windows + int MetricsActiveAllocations; // Number of active allocations, updated by MemAlloc/MemFree based on current context. May be off if you have multiple imgui contexts. + ImVec2 MouseDelta; // Mouse delta. Note that this is zero if either current or previous position are invalid (-FLT_MAX,-FLT_MAX), so a disappearing/reappearing mouse won't have a huge delta. + + //------------------------------------------------------------------ + // [Internal] Dear ImGui will maintain those fields. Forward compatibility not guaranteed! + //------------------------------------------------------------------ + + ImGuiKeyModFlags KeyMods; // Key mods flags (same as io.KeyCtrl/KeyShift/KeyAlt/KeySuper but merged into flags), updated by NewFrame() + ImVec2 MousePosPrev; // Previous mouse position (note that MouseDelta is not necessary == MousePos-MousePosPrev, in case either position is invalid) + ImVec2 MouseClickedPos[5]; // Position at time of clicking + double MouseClickedTime[5]; // Time of last click (used to figure out double-click) + bool MouseClicked[5]; // Mouse button went from !Down to Down + bool MouseDoubleClicked[5]; // Has mouse button been double-clicked? + bool MouseReleased[5]; // Mouse button went from Down to !Down + bool MouseDownOwned[5]; // Track if button was clicked inside a dear imgui window. We don't request mouse capture from the application if click started outside ImGui bounds. + bool MouseDownWasDoubleClick[5]; // Track if button down was a double-click + float MouseDownDuration[5]; // Duration the mouse button has been down (0.0f == just clicked) + float MouseDownDurationPrev[5]; // Previous time the mouse button has been down + ImVec2 MouseDragMaxDistanceAbs[5]; // Maximum distance, absolute, on each axis, of how much mouse has traveled from the clicking point + float MouseDragMaxDistanceSqr[5]; // Squared maximum distance of how much mouse has traveled from the clicking point + float KeysDownDuration[512]; // Duration the keyboard key has been down (0.0f == just pressed) + float KeysDownDurationPrev[512]; // Previous duration the key has been down + float NavInputsDownDuration[ImGuiNavInput_COUNT]; + float NavInputsDownDurationPrev[ImGuiNavInput_COUNT]; + ImWchar16 InputQueueSurrogate; // For AddInputCharacterUTF16 + ImVector InputQueueCharacters; // Queue of _characters_ input (obtained by platform back-end). Fill using AddInputCharacter() helper. + + IMGUI_API ImGuiIO(); +}; + +//----------------------------------------------------------------------------- +// Misc data structures +//----------------------------------------------------------------------------- + +// Shared state of InputText(), passed as an argument to your callback when a ImGuiInputTextFlags_Callback* flag is used. +// The callback function should return 0 by default. +// Callbacks (follow a flag name and see comments in ImGuiInputTextFlags_ declarations for more details) +// - ImGuiInputTextFlags_CallbackCompletion: Callback on pressing TAB +// - ImGuiInputTextFlags_CallbackHistory: Callback on pressing Up/Down arrows +// - ImGuiInputTextFlags_CallbackAlways: Callback on each iteration +// - ImGuiInputTextFlags_CallbackCharFilter: Callback on character inputs to replace or discard them. Modify 'EventChar' to replace or discard, or return 1 in callback to discard. +// - ImGuiInputTextFlags_CallbackResize: Callback on buffer capacity changes request (beyond 'buf_size' parameter value), allowing the string to grow. +struct ImGuiInputTextCallbackData +{ + ImGuiInputTextFlags EventFlag; // One ImGuiInputTextFlags_Callback* // Read-only + ImGuiInputTextFlags Flags; // What user passed to InputText() // Read-only + void* UserData; // What user passed to InputText() // Read-only + + // Arguments for the different callback events + // - To modify the text buffer in a callback, prefer using the InsertChars() / DeleteChars() function. InsertChars() will take care of calling the resize callback if necessary. + // - If you know your edits are not going to resize the underlying buffer allocation, you may modify the contents of 'Buf[]' directly. You need to update 'BufTextLen' accordingly (0 <= BufTextLen < BufSize) and set 'BufDirty'' to true so InputText can update its internal state. + ImWchar EventChar; // Character input // Read-write // [CharFilter] Replace character with another one, or set to zero to drop. return 1 is equivalent to setting EventChar=0; + ImGuiKey EventKey; // Key pressed (Up/Down/TAB) // Read-only // [Completion,History] + char* Buf; // Text buffer // Read-write // [Resize] Can replace pointer / [Completion,History,Always] Only write to pointed data, don't replace the actual pointer! + int BufTextLen; // Text length (in bytes) // Read-write // [Resize,Completion,History,Always] Exclude zero-terminator storage. In C land: == strlen(some_text), in C++ land: string.length() + int BufSize; // Buffer size (in bytes) = capacity+1 // Read-only // [Resize,Completion,History,Always] Include zero-terminator storage. In C land == ARRAYSIZE(my_char_array), in C++ land: string.capacity()+1 + bool BufDirty; // Set if you modify Buf/BufTextLen! // Write // [Completion,History,Always] + int CursorPos; // // Read-write // [Completion,History,Always] + int SelectionStart; // // Read-write // [Completion,History,Always] == to SelectionEnd when no selection) + int SelectionEnd; // // Read-write // [Completion,History,Always] + + // Helper functions for text manipulation. + // Use those function to benefit from the CallbackResize behaviors. Calling those function reset the selection. + IMGUI_API ImGuiInputTextCallbackData(); + IMGUI_API void DeleteChars(int pos, int bytes_count); + IMGUI_API void InsertChars(int pos, const char* text, const char* text_end = NULL); + bool HasSelection() const { return SelectionStart != SelectionEnd; } +}; + +// Resizing callback data to apply custom constraint. As enabled by SetNextWindowSizeConstraints(). Callback is called during the next Begin(). +// NB: For basic min/max size constraint on each axis you don't need to use the callback! The SetNextWindowSizeConstraints() parameters are enough. +struct ImGuiSizeCallbackData +{ + void* UserData; // Read-only. What user passed to SetNextWindowSizeConstraints() + ImVec2 Pos; // Read-only. Window position, for reference. + ImVec2 CurrentSize; // Read-only. Current window size. + ImVec2 DesiredSize; // Read-write. Desired size, based on user's mouse position. Write to this field to restrain resizing. +}; + +// Data payload for Drag and Drop operations: AcceptDragDropPayload(), GetDragDropPayload() +struct ImGuiPayload +{ + // Members + void* Data; // Data (copied and owned by dear imgui) + int DataSize; // Data size + + // [Internal] + ImGuiID SourceId; // Source item id + ImGuiID SourceParentId; // Source parent id (if available) + int DataFrameCount; // Data timestamp + char DataType[32+1]; // Data type tag (short user-supplied string, 32 characters max) + bool Preview; // Set when AcceptDragDropPayload() was called and mouse has been hovering the target item (nb: handle overlapping drag targets) + bool Delivery; // Set when AcceptDragDropPayload() was called and mouse button is released over the target item. + + ImGuiPayload() { Clear(); } + void Clear() { SourceId = SourceParentId = 0; Data = NULL; DataSize = 0; memset(DataType, 0, sizeof(DataType)); DataFrameCount = -1; Preview = Delivery = false; } + bool IsDataType(const char* type) const { return DataFrameCount != -1 && strcmp(type, DataType) == 0; } + bool IsPreview() const { return Preview; } + bool IsDelivery() const { return Delivery; } +}; + +//----------------------------------------------------------------------------- +// Obsolete functions (Will be removed! Read 'API BREAKING CHANGES' section in imgui.cpp for details) +// Please keep your copy of dear imgui up to date! Occasionally set '#define IMGUI_DISABLE_OBSOLETE_FUNCTIONS' in imconfig.h to stay ahead. +//----------------------------------------------------------------------------- + +#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS +namespace ImGui +{ + // OBSOLETED in 1.72 (from July 2019) + static inline void TreeAdvanceToLabelPos() { SetCursorPosX(GetCursorPosX() + GetTreeNodeToLabelSpacing()); } + // OBSOLETED in 1.71 (from June 2019) + static inline void SetNextTreeNodeOpen(bool open, ImGuiCond cond = 0) { SetNextItemOpen(open, cond); } + // OBSOLETED in 1.70 (from May 2019) + static inline float GetContentRegionAvailWidth() { return GetContentRegionAvail().x; } + // OBSOLETED in 1.69 (from Mar 2019) + static inline ImDrawList* GetOverlayDrawList() { return GetForegroundDrawList(); } + // OBSOLETED in 1.66 (from Sep 2018) + static inline void SetScrollHere(float center_ratio=0.5f){ SetScrollHereY(center_ratio); } + // OBSOLETED in 1.63 (between Aug 2018 and Sept 2018) + static inline bool IsItemDeactivatedAfterChange() { return IsItemDeactivatedAfterEdit(); } + // OBSOLETED in 1.61 (between Apr 2018 and Aug 2018) + IMGUI_API bool InputFloat(const char* label, float* v, float step, float step_fast, int decimal_precision, ImGuiInputTextFlags flags = 0); // Use the 'const char* format' version instead of 'decimal_precision'! + IMGUI_API bool InputFloat2(const char* label, float v[2], int decimal_precision, ImGuiInputTextFlags flags = 0); + IMGUI_API bool InputFloat3(const char* label, float v[3], int decimal_precision, ImGuiInputTextFlags flags = 0); + IMGUI_API bool InputFloat4(const char* label, float v[4], int decimal_precision, ImGuiInputTextFlags flags = 0); + // OBSOLETED in 1.60 (between Dec 2017 and Apr 2018) + static inline bool IsAnyWindowFocused() { return IsWindowFocused(ImGuiFocusedFlags_AnyWindow); } + static inline bool IsAnyWindowHovered() { return IsWindowHovered(ImGuiHoveredFlags_AnyWindow); } + static inline ImVec2 CalcItemRectClosestPoint(const ImVec2& pos, bool on_edge = false, float outward = 0.f) { IM_UNUSED(on_edge); IM_UNUSED(outward); IM_ASSERT(0); return pos; } +} +typedef ImGuiInputTextCallback ImGuiTextEditCallback; // OBSOLETED in 1.63 (from Aug 2018): made the names consistent +typedef ImGuiInputTextCallbackData ImGuiTextEditCallbackData; +#endif + +//----------------------------------------------------------------------------- +// Helpers +//----------------------------------------------------------------------------- + +// Helper: Execute a block of code at maximum once a frame. Convenient if you want to quickly create an UI within deep-nested code that runs multiple times every frame. +// Usage: static ImGuiOnceUponAFrame oaf; if (oaf) ImGui::Text("This will be called only once per frame"); +struct ImGuiOnceUponAFrame +{ + ImGuiOnceUponAFrame() { RefFrame = -1; } + mutable int RefFrame; + operator bool() const { int current_frame = ImGui::GetFrameCount(); if (RefFrame == current_frame) return false; RefFrame = current_frame; return true; } +}; + +// Helper: Parse and apply text filters. In format "aaaaa[,bbbb][,ccccc]" +struct ImGuiTextFilter +{ + IMGUI_API ImGuiTextFilter(const char* default_filter = ""); + IMGUI_API bool Draw(const char* label = "Filter (inc,-exc)", float width = 0.0f); // Helper calling InputText+Build + IMGUI_API bool PassFilter(const char* text, const char* text_end = NULL) const; + IMGUI_API void Build(); + void Clear() { InputBuf[0] = 0; Build(); } + bool IsActive() const { return !Filters.empty(); } + + // [Internal] + struct ImGuiTextRange + { + const char* b; + const char* e; + + ImGuiTextRange() { b = e = NULL; } + ImGuiTextRange(const char* _b, const char* _e) { b = _b; e = _e; } + bool empty() const { return b == e; } + IMGUI_API void split(char separator, ImVector* out) const; + }; + char InputBuf[256]; + ImVectorFilters; + int CountGrep; +}; + +// Helper: Growable text buffer for logging/accumulating text +// (this could be called 'ImGuiTextBuilder' / 'ImGuiStringBuilder') +struct ImGuiTextBuffer +{ + ImVector Buf; + IMGUI_API static char EmptyString[1]; + + ImGuiTextBuffer() { } + inline char operator[](int i) const { IM_ASSERT(Buf.Data != NULL); return Buf.Data[i]; } + const char* begin() const { return Buf.Data ? &Buf.front() : EmptyString; } + const char* end() const { return Buf.Data ? &Buf.back() : EmptyString; } // Buf is zero-terminated, so end() will point on the zero-terminator + int size() const { return Buf.Size ? Buf.Size - 1 : 0; } + bool empty() const { return Buf.Size <= 1; } + void clear() { Buf.clear(); } + void reserve(int capacity) { Buf.reserve(capacity); } + const char* c_str() const { return Buf.Data ? Buf.Data : EmptyString; } + IMGUI_API void append(const char* str, const char* str_end = NULL); + IMGUI_API void appendf(const char* fmt, ...) IM_FMTARGS(2); + IMGUI_API void appendfv(const char* fmt, va_list args) IM_FMTLIST(2); +}; + +// Helper: Key->Value storage +// Typically you don't have to worry about this since a storage is held within each Window. +// We use it to e.g. store collapse state for a tree (Int 0/1) +// This is optimized for efficient lookup (dichotomy into a contiguous buffer) and rare insertion (typically tied to user interactions aka max once a frame) +// You can use it as custom user storage for temporary values. Declare your own storage if, for example: +// - You want to manipulate the open/close state of a particular sub-tree in your interface (tree node uses Int 0/1 to store their state). +// - You want to store custom debug data easily without adding or editing structures in your code (probably not efficient, but convenient) +// Types are NOT stored, so it is up to you to make sure your Key don't collide with different types. +struct ImGuiStorage +{ + // [Internal] + struct ImGuiStoragePair + { + ImGuiID key; + union { int val_i; float val_f; void* val_p; }; + ImGuiStoragePair(ImGuiID _key, int _val_i) { key = _key; val_i = _val_i; } + ImGuiStoragePair(ImGuiID _key, float _val_f) { key = _key; val_f = _val_f; } + ImGuiStoragePair(ImGuiID _key, void* _val_p) { key = _key; val_p = _val_p; } + }; + + ImVector Data; + + // - Get***() functions find pair, never add/allocate. Pairs are sorted so a query is O(log N) + // - Set***() functions find pair, insertion on demand if missing. + // - Sorted insertion is costly, paid once. A typical frame shouldn't need to insert any new pair. + void Clear() { Data.clear(); } + IMGUI_API int GetInt(ImGuiID key, int default_val = 0) const; + IMGUI_API void SetInt(ImGuiID key, int val); + IMGUI_API bool GetBool(ImGuiID key, bool default_val = false) const; + IMGUI_API void SetBool(ImGuiID key, bool val); + IMGUI_API float GetFloat(ImGuiID key, float default_val = 0.0f) const; + IMGUI_API void SetFloat(ImGuiID key, float val); + IMGUI_API void* GetVoidPtr(ImGuiID key) const; // default_val is NULL + IMGUI_API void SetVoidPtr(ImGuiID key, void* val); + + // - Get***Ref() functions finds pair, insert on demand if missing, return pointer. Useful if you intend to do Get+Set. + // - References are only valid until a new value is added to the storage. Calling a Set***() function or a Get***Ref() function invalidates the pointer. + // - A typical use case where this is convenient for quick hacking (e.g. add storage during a live Edit&Continue session if you can't modify existing struct) + // float* pvar = ImGui::GetFloatRef(key); ImGui::SliderFloat("var", pvar, 0, 100.0f); some_var += *pvar; + IMGUI_API int* GetIntRef(ImGuiID key, int default_val = 0); + IMGUI_API bool* GetBoolRef(ImGuiID key, bool default_val = false); + IMGUI_API float* GetFloatRef(ImGuiID key, float default_val = 0.0f); + IMGUI_API void** GetVoidPtrRef(ImGuiID key, void* default_val = NULL); + + // Use on your own storage if you know only integer are being stored (open/close all tree nodes) + IMGUI_API void SetAllInt(int val); + + // For quicker full rebuild of a storage (instead of an incremental one), you may add all your contents and then sort once. + IMGUI_API void BuildSortByKey(); +}; + +// Helper: Manually clip large list of items. +// If you are submitting lots of evenly spaced items and you have a random access to the list, you can perform coarse clipping based on visibility to save yourself from processing those items at all. +// The clipper calculates the range of visible items and advance the cursor to compensate for the non-visible items we have skipped. +// ImGui already clip items based on their bounds but it needs to measure text size to do so. Coarse clipping before submission makes this cost and your own data fetching/submission cost null. +// Usage: +// ImGuiListClipper clipper(1000); // we have 1000 elements, evenly spaced. +// while (clipper.Step()) +// for (int i = clipper.DisplayStart; i < clipper.DisplayEnd; i++) +// ImGui::Text("line number %d", i); +// - Step 0: the clipper let you process the first element, regardless of it being visible or not, so we can measure the element height (step skipped if we passed a known height as second arg to constructor). +// - Step 1: the clipper infer height from first element, calculate the actual range of elements to display, and position the cursor before the first element. +// - (Step 2: dummy step only required if an explicit items_height was passed to constructor or Begin() and user call Step(). Does nothing and switch to Step 3.) +// - Step 3: the clipper validate that we have reached the expected Y position (corresponding to element DisplayEnd), advance the cursor to the end of the list and then returns 'false' to end the loop. +struct ImGuiListClipper +{ + int DisplayStart, DisplayEnd; + int ItemsCount; + + // [Internal] + int StepNo; + float ItemsHeight; + float StartPosY; + + // items_count: Use -1 to ignore (you can call Begin later). Use INT_MAX if you don't know how many items you have (in which case the cursor won't be advanced in the final step). + // items_height: Use -1.0f to be calculated automatically on first step. Otherwise pass in the distance between your items, typically GetTextLineHeightWithSpacing() or GetFrameHeightWithSpacing(). + // If you don't specify an items_height, you NEED to call Step(). If you specify items_height you may call the old Begin()/End() api directly, but prefer calling Step(). + ImGuiListClipper(int items_count = -1, float items_height = -1.0f) { Begin(items_count, items_height); } // NB: Begin() initialize every fields (as we allow user to call Begin/End multiple times on a same instance if they want). + ~ImGuiListClipper() { IM_ASSERT(ItemsCount == -1); } // Assert if user forgot to call End() or Step() until false. + + IMGUI_API bool Step(); // Call until it returns false. The DisplayStart/DisplayEnd fields will be set and you can process/draw those items. + IMGUI_API void Begin(int items_count, float items_height = -1.0f); // Automatically called by constructor if you passed 'items_count' or by Step() in Step 1. + IMGUI_API void End(); // Automatically called on the last call of Step() that returns false. +}; + +// Helpers macros to generate 32-bit encoded colors +#ifdef IMGUI_USE_BGRA_PACKED_COLOR +#define IM_COL32_R_SHIFT 16 +#define IM_COL32_G_SHIFT 8 +#define IM_COL32_B_SHIFT 0 +#define IM_COL32_A_SHIFT 24 +#define IM_COL32_A_MASK 0xFF000000 +#else +#define IM_COL32_R_SHIFT 0 +#define IM_COL32_G_SHIFT 8 +#define IM_COL32_B_SHIFT 16 +#define IM_COL32_A_SHIFT 24 +#define IM_COL32_A_MASK 0xFF000000 +#endif +#define IM_COL32(R,G,B,A) (((ImU32)(A)<>IM_COL32_R_SHIFT)&0xFF) * sc; Value.y = (float)((rgba>>IM_COL32_G_SHIFT)&0xFF) * sc; Value.z = (float)((rgba>>IM_COL32_B_SHIFT)&0xFF) * sc; Value.w = (float)((rgba>>IM_COL32_A_SHIFT)&0xFF) * sc; } + ImColor(float r, float g, float b, float a = 1.0f) { Value.x = r; Value.y = g; Value.z = b; Value.w = a; } + ImColor(const ImVec4& col) { Value = col; } + inline operator ImU32() const { return ImGui::ColorConvertFloat4ToU32(Value); } + inline operator ImVec4() const { return Value; } + + // FIXME-OBSOLETE: May need to obsolete/cleanup those helpers. + inline void SetHSV(float h, float s, float v, float a = 1.0f){ ImGui::ColorConvertHSVtoRGB(h, s, v, Value.x, Value.y, Value.z); Value.w = a; } + static ImColor HSV(float h, float s, float v, float a = 1.0f) { float r,g,b; ImGui::ColorConvertHSVtoRGB(h, s, v, r, g, b); return ImColor(r,g,b,a); } +}; + +//----------------------------------------------------------------------------- +// Draw List API (ImDrawCmd, ImDrawIdx, ImDrawVert, ImDrawChannel, ImDrawListSplitter, ImDrawListFlags, ImDrawList, ImDrawData) +// Hold a series of drawing commands. The user provides a renderer for ImDrawData which essentially contains an array of ImDrawList. +//----------------------------------------------------------------------------- + +// ImDrawCallback: Draw callbacks for advanced uses [configurable type: override in imconfig.h] +// NB: You most likely do NOT need to use draw callbacks just to create your own widget or customized UI rendering, +// you can poke into the draw list for that! Draw callback may be useful for example to: +// A) Change your GPU render state, +// B) render a complex 3D scene inside a UI element without an intermediate texture/render target, etc. +// The expected behavior from your rendering function is 'if (cmd.UserCallback != NULL) { cmd.UserCallback(parent_list, cmd); } else { RenderTriangles() }' +// If you want to override the signature of ImDrawCallback, you can simply use e.g. '#define ImDrawCallback MyDrawCallback' (in imconfig.h) + update rendering back-end accordingly. +#ifndef ImDrawCallback +typedef void (*ImDrawCallback)(const ImDrawList* parent_list, const ImDrawCmd* cmd); +#endif + +// Special Draw callback value to request renderer back-end to reset the graphics/render state. +// The renderer back-end needs to handle this special value, otherwise it will crash trying to call a function at this address. +// This is useful for example if you submitted callbacks which you know have altered the render state and you want it to be restored. +// It is not done by default because they are many perfectly useful way of altering render state for imgui contents (e.g. changing shader/blending settings before an Image call). +#define ImDrawCallback_ResetRenderState (ImDrawCallback)(-1) + +// Typically, 1 command = 1 GPU draw call (unless command is a callback) +// Pre 1.71 back-ends will typically ignore the VtxOffset/IdxOffset fields. When 'io.BackendFlags & ImGuiBackendFlags_RendererHasVtxOffset' +// is enabled, those fields allow us to render meshes larger than 64K vertices while keeping 16-bit indices. +struct ImDrawCmd +{ + unsigned int ElemCount; // Number of indices (multiple of 3) to be rendered as triangles. Vertices are stored in the callee ImDrawList's vtx_buffer[] array, indices in idx_buffer[]. + ImVec4 ClipRect; // Clipping rectangle (x1, y1, x2, y2). Subtract ImDrawData->DisplayPos to get clipping rectangle in "viewport" coordinates + ImTextureID TextureId; // User-provided texture ID. Set by user in ImfontAtlas::SetTexID() for fonts or passed to Image*() functions. Ignore if never using images or multiple fonts atlas. + unsigned int VtxOffset; // Start offset in vertex buffer. Pre-1.71 or without ImGuiBackendFlags_RendererHasVtxOffset: always 0. With ImGuiBackendFlags_RendererHasVtxOffset: may be >0 to support meshes larger than 64K vertices with 16-bit indices. + unsigned int IdxOffset; // Start offset in index buffer. Always equal to sum of ElemCount drawn so far. + ImDrawCallback UserCallback; // If != NULL, call the function instead of rendering the vertices. clip_rect and texture_id will be set normally. + void* UserCallbackData; // The draw callback code can access this. + + ImDrawCmd() { ElemCount = 0; TextureId = (ImTextureID)NULL; VtxOffset = IdxOffset = 0; UserCallback = NULL; UserCallbackData = NULL; } +}; + +// Vertex index, default to 16-bit +// To allow large meshes with 16-bit indices: set 'io.BackendFlags |= ImGuiBackendFlags_RendererHasVtxOffset' and handle ImDrawCmd::VtxOffset in the renderer back-end (recommended). +// To use 32-bit indices: override with '#define ImDrawIdx unsigned int' in imconfig.h. +#ifndef ImDrawIdx +typedef unsigned short ImDrawIdx; +#endif + +// Vertex layout +#ifndef IMGUI_OVERRIDE_DRAWVERT_STRUCT_LAYOUT +struct ImDrawVert +{ + ImVec2 pos; + ImVec2 uv; + ImU32 col; +}; +#else +// You can override the vertex format layout by defining IMGUI_OVERRIDE_DRAWVERT_STRUCT_LAYOUT in imconfig.h +// The code expect ImVec2 pos (8 bytes), ImVec2 uv (8 bytes), ImU32 col (4 bytes), but you can re-order them or add other fields as needed to simplify integration in your engine. +// The type has to be described within the macro (you can either declare the struct or use a typedef). This is because ImVec2/ImU32 are likely not declared a the time you'd want to set your type up. +// NOTE: IMGUI DOESN'T CLEAR THE STRUCTURE AND DOESN'T CALL A CONSTRUCTOR SO ANY CUSTOM FIELD WILL BE UNINITIALIZED. IF YOU ADD EXTRA FIELDS (SUCH AS A 'Z' COORDINATES) YOU WILL NEED TO CLEAR THEM DURING RENDER OR TO IGNORE THEM. +IMGUI_OVERRIDE_DRAWVERT_STRUCT_LAYOUT; +#endif + +// For use by ImDrawListSplitter. +struct ImDrawChannel +{ + ImVector _CmdBuffer; + ImVector _IdxBuffer; +}; + +// Split/Merge functions are used to split the draw list into different layers which can be drawn into out of order. +// This is used by the Columns api, so items of each column can be batched together in a same draw call. +struct ImDrawListSplitter +{ + int _Current; // Current channel number (0) + int _Count; // Number of active channels (1+) + ImVector _Channels; // Draw channels (not resized down so _Count might be < Channels.Size) + + inline ImDrawListSplitter() { Clear(); } + inline ~ImDrawListSplitter() { ClearFreeMemory(); } + inline void Clear() { _Current = 0; _Count = 1; } // Do not clear Channels[] so our allocations are reused next frame + IMGUI_API void ClearFreeMemory(); + IMGUI_API void Split(ImDrawList* draw_list, int count); + IMGUI_API void Merge(ImDrawList* draw_list); + IMGUI_API void SetCurrentChannel(ImDrawList* draw_list, int channel_idx); +}; + +enum ImDrawCornerFlags_ +{ + ImDrawCornerFlags_None = 0, + ImDrawCornerFlags_TopLeft = 1 << 0, // 0x1 + ImDrawCornerFlags_TopRight = 1 << 1, // 0x2 + ImDrawCornerFlags_BotLeft = 1 << 2, // 0x4 + ImDrawCornerFlags_BotRight = 1 << 3, // 0x8 + ImDrawCornerFlags_Top = ImDrawCornerFlags_TopLeft | ImDrawCornerFlags_TopRight, // 0x3 + ImDrawCornerFlags_Bot = ImDrawCornerFlags_BotLeft | ImDrawCornerFlags_BotRight, // 0xC + ImDrawCornerFlags_Left = ImDrawCornerFlags_TopLeft | ImDrawCornerFlags_BotLeft, // 0x5 + ImDrawCornerFlags_Right = ImDrawCornerFlags_TopRight | ImDrawCornerFlags_BotRight, // 0xA + ImDrawCornerFlags_All = 0xF // In your function calls you may use ~0 (= all bits sets) instead of ImDrawCornerFlags_All, as a convenience +}; + +enum ImDrawListFlags_ +{ + ImDrawListFlags_None = 0, + ImDrawListFlags_AntiAliasedLines = 1 << 0, // Lines are anti-aliased (*2 the number of triangles for 1.0f wide line, otherwise *3 the number of triangles) + ImDrawListFlags_AntiAliasedFill = 1 << 1, // Filled shapes have anti-aliased edges (*2 the number of vertices) + ImDrawListFlags_AllowVtxOffset = 1 << 2 // Can emit 'VtxOffset > 0' to allow large meshes. Set when 'ImGuiBackendFlags_RendererHasVtxOffset' is enabled. +}; + +// Draw command list +// This is the low-level list of polygons that ImGui:: functions are filling. At the end of the frame, +// all command lists are passed to your ImGuiIO::RenderDrawListFn function for rendering. +// Each dear imgui window contains its own ImDrawList. You can use ImGui::GetWindowDrawList() to +// access the current window draw list and draw custom primitives. +// You can interleave normal ImGui:: calls and adding primitives to the current draw list. +// All positions are generally in pixel coordinates (top-left at (0,0), bottom-right at io.DisplaySize), but you are totally free to apply whatever transformation matrix to want to the data (if you apply such transformation you'll want to apply it to ClipRect as well) +// Important: Primitives are always added to the list and not culled (culling is done at higher-level by ImGui:: functions), if you use this API a lot consider coarse culling your drawn objects. +struct ImDrawList +{ + // This is what you have to render + ImVector CmdBuffer; // Draw commands. Typically 1 command = 1 GPU draw call, unless the command is a callback. + ImVector IdxBuffer; // Index buffer. Each command consume ImDrawCmd::ElemCount of those + ImVector VtxBuffer; // Vertex buffer. + ImDrawListFlags Flags; // Flags, you may poke into these to adjust anti-aliasing settings per-primitive. + + // [Internal, used while building lists] + const ImDrawListSharedData* _Data; // Pointer to shared draw data (you can use ImGui::GetDrawListSharedData() to get the one from current ImGui context) + const char* _OwnerName; // Pointer to owner window's name for debugging + unsigned int _VtxCurrentOffset; // [Internal] Always 0 unless 'Flags & ImDrawListFlags_AllowVtxOffset'. + unsigned int _VtxCurrentIdx; // [Internal] Generally == VtxBuffer.Size unless we are past 64K vertices, in which case this gets reset to 0. + ImDrawVert* _VtxWritePtr; // [Internal] point within VtxBuffer.Data after each add command (to avoid using the ImVector<> operators too much) + ImDrawIdx* _IdxWritePtr; // [Internal] point within IdxBuffer.Data after each add command (to avoid using the ImVector<> operators too much) + ImVector _ClipRectStack; // [Internal] + ImVector _TextureIdStack; // [Internal] + ImVector _Path; // [Internal] current path building + ImDrawListSplitter _Splitter; // [Internal] for channels api + + // If you want to create ImDrawList instances, pass them ImGui::GetDrawListSharedData() or create and use your own ImDrawListSharedData (so you can use ImDrawList without ImGui) + ImDrawList(const ImDrawListSharedData* shared_data) { _Data = shared_data; _OwnerName = NULL; Clear(); } + ~ImDrawList() { ClearFreeMemory(); } + IMGUI_API void PushClipRect(ImVec2 clip_rect_min, ImVec2 clip_rect_max, bool intersect_with_current_clip_rect = false); // Render-level scissoring. This is passed down to your render function but not used for CPU-side coarse clipping. Prefer using higher-level ImGui::PushClipRect() to affect logic (hit-testing and widget culling) + IMGUI_API void PushClipRectFullScreen(); + IMGUI_API void PopClipRect(); + IMGUI_API void PushTextureID(ImTextureID texture_id); + IMGUI_API void PopTextureID(); + inline ImVec2 GetClipRectMin() const { const ImVec4& cr = _ClipRectStack.back(); return ImVec2(cr.x, cr.y); } + inline ImVec2 GetClipRectMax() const { const ImVec4& cr = _ClipRectStack.back(); return ImVec2(cr.z, cr.w); } + + // Primitives + // - For rectangular primitives, "p_min" and "p_max" represent the upper-left and lower-right corners. + // - For circle primitives, use "num_segments == 0" to automatically calculate tessellation (preferred). + // In future versions we will use textures to provide cheaper and higher-quality circles. + // Use AddNgon() and AddNgonFilled() functions if you need to guaranteed a specific number of sides. + IMGUI_API void AddLine(const ImVec2& p1, const ImVec2& p2, ImU32 col, float thickness = 1.0f); + IMGUI_API void AddRect(const ImVec2& p_min, const ImVec2& p_max, ImU32 col, float rounding = 0.0f, ImDrawCornerFlags rounding_corners = ImDrawCornerFlags_All, float thickness = 1.0f); // a: upper-left, b: lower-right (== upper-left + size), rounding_corners_flags: 4 bits corresponding to which corner to round + IMGUI_API void AddRectFilled(const ImVec2& p_min, const ImVec2& p_max, ImU32 col, float rounding = 0.0f, ImDrawCornerFlags rounding_corners = ImDrawCornerFlags_All); // a: upper-left, b: lower-right (== upper-left + size) + IMGUI_API void AddRectFilledMultiColor(const ImVec2& p_min, const ImVec2& p_max, ImU32 col_upr_left, ImU32 col_upr_right, ImU32 col_bot_right, ImU32 col_bot_left); + IMGUI_API void AddQuad(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col, float thickness = 1.0f); + IMGUI_API void AddQuadFilled(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col); + IMGUI_API void AddTriangle(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, ImU32 col, float thickness = 1.0f); + IMGUI_API void AddTriangleFilled(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, ImU32 col); + IMGUI_API void AddCircle(const ImVec2& center, float radius, ImU32 col, int num_segments = 12, float thickness = 1.0f); + IMGUI_API void AddCircleFilled(const ImVec2& center, float radius, ImU32 col, int num_segments = 12); + IMGUI_API void AddNgon(const ImVec2& center, float radius, ImU32 col, int num_segments, float thickness = 1.0f); + IMGUI_API void AddNgonFilled(const ImVec2& center, float radius, ImU32 col, int num_segments); + IMGUI_API void AddText(const ImVec2& pos, ImU32 col, const char* text_begin, const char* text_end = NULL); + IMGUI_API void AddText(const ImFont* font, float font_size, const ImVec2& pos, ImU32 col, const char* text_begin, const char* text_end = NULL, float wrap_width = 0.0f, const ImVec4* cpu_fine_clip_rect = NULL); + IMGUI_API void AddPolyline(const ImVec2* points, int num_points, ImU32 col, bool closed, float thickness); + IMGUI_API void AddConvexPolyFilled(const ImVec2* points, int num_points, ImU32 col); // Note: Anti-aliased filling requires points to be in clockwise order. + IMGUI_API void AddBezierCurve(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col, float thickness, int num_segments = 0); + + // Image primitives + // - Read FAQ to understand what ImTextureID is. + // - "p_min" and "p_max" represent the upper-left and lower-right corners of the rectangle. + // - "uv_min" and "uv_max" represent the normalized texture coordinates to use for those corners. Using (0,0)->(1,1) texture coordinates will generally display the entire texture. + IMGUI_API void AddImage(ImTextureID user_texture_id, const ImVec2& p_min, const ImVec2& p_max, const ImVec2& uv_min = ImVec2(0, 0), const ImVec2& uv_max = ImVec2(1, 1), ImU32 col = IM_COL32_WHITE); + IMGUI_API void AddImageQuad(ImTextureID user_texture_id, const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, const ImVec2& uv1 = ImVec2(0, 0), const ImVec2& uv2 = ImVec2(1, 0), const ImVec2& uv3 = ImVec2(1, 1), const ImVec2& uv4 = ImVec2(0, 1), ImU32 col = IM_COL32_WHITE); + IMGUI_API void AddImageRounded(ImTextureID user_texture_id, const ImVec2& p_min, const ImVec2& p_max, const ImVec2& uv_min, const ImVec2& uv_max, ImU32 col, float rounding, ImDrawCornerFlags rounding_corners = ImDrawCornerFlags_All); + + // Stateful path API, add points then finish with PathFillConvex() or PathStroke() + inline void PathClear() { _Path.Size = 0; } + inline void PathLineTo(const ImVec2& pos) { _Path.push_back(pos); } + inline void PathLineToMergeDuplicate(const ImVec2& pos) { if (_Path.Size == 0 || memcmp(&_Path.Data[_Path.Size-1], &pos, 8) != 0) _Path.push_back(pos); } + inline void PathFillConvex(ImU32 col) { AddConvexPolyFilled(_Path.Data, _Path.Size, col); _Path.Size = 0; } // Note: Anti-aliased filling requires points to be in clockwise order. + inline void PathStroke(ImU32 col, bool closed, float thickness = 1.0f) { AddPolyline(_Path.Data, _Path.Size, col, closed, thickness); _Path.Size = 0; } + IMGUI_API void PathArcTo(const ImVec2& center, float radius, float a_min, float a_max, int num_segments = 10); + IMGUI_API void PathArcToFast(const ImVec2& center, float radius, int a_min_of_12, int a_max_of_12); // Use precomputed angles for a 12 steps circle + IMGUI_API void PathBezierCurveTo(const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, int num_segments = 0); + IMGUI_API void PathRect(const ImVec2& rect_min, const ImVec2& rect_max, float rounding = 0.0f, ImDrawCornerFlags rounding_corners = ImDrawCornerFlags_All); + + // Advanced + IMGUI_API void AddCallback(ImDrawCallback callback, void* callback_data); // Your rendering function must check for 'UserCallback' in ImDrawCmd and call the function instead of rendering triangles. + IMGUI_API void AddDrawCmd(); // This is useful if you need to forcefully create a new draw call (to allow for dependent rendering / blending). Otherwise primitives are merged into the same draw-call as much as possible + IMGUI_API ImDrawList* CloneOutput() const; // Create a clone of the CmdBuffer/IdxBuffer/VtxBuffer. + + // Advanced: Channels + // - Use to split render into layers. By switching channels to can render out-of-order (e.g. submit FG primitives before BG primitives) + // - Use to minimize draw calls (e.g. if going back-and-forth between multiple clipping rectangles, prefer to append into separate channels then merge at the end) + // - FIXME-OBSOLETE: This API shouldn't have been in ImDrawList in the first place! + // Prefer using your own persistent copy of ImDrawListSplitter as you can stack them. + // Using the ImDrawList::ChannelsXXXX you cannot stack a split over another. + inline void ChannelsSplit(int count) { _Splitter.Split(this, count); } + inline void ChannelsMerge() { _Splitter.Merge(this); } + inline void ChannelsSetCurrent(int n) { _Splitter.SetCurrentChannel(this, n); } + + // Internal helpers + // NB: all primitives needs to be reserved via PrimReserve() beforehand! + IMGUI_API void Clear(); + IMGUI_API void ClearFreeMemory(); + IMGUI_API void PrimReserve(int idx_count, int vtx_count); + IMGUI_API void PrimUnreserve(int idx_count, int vtx_count); + IMGUI_API void PrimRect(const ImVec2& a, const ImVec2& b, ImU32 col); // Axis aligned rectangle (composed of two triangles) + IMGUI_API void PrimRectUV(const ImVec2& a, const ImVec2& b, const ImVec2& uv_a, const ImVec2& uv_b, ImU32 col); + IMGUI_API void PrimQuadUV(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& d, const ImVec2& uv_a, const ImVec2& uv_b, const ImVec2& uv_c, const ImVec2& uv_d, ImU32 col); + inline void PrimWriteVtx(const ImVec2& pos, const ImVec2& uv, ImU32 col){ _VtxWritePtr->pos = pos; _VtxWritePtr->uv = uv; _VtxWritePtr->col = col; _VtxWritePtr++; _VtxCurrentIdx++; } + inline void PrimWriteIdx(ImDrawIdx idx) { *_IdxWritePtr = idx; _IdxWritePtr++; } + inline void PrimVtx(const ImVec2& pos, const ImVec2& uv, ImU32 col) { PrimWriteIdx((ImDrawIdx)_VtxCurrentIdx); PrimWriteVtx(pos, uv, col); } + IMGUI_API void UpdateClipRect(); + IMGUI_API void UpdateTextureID(); +}; + +// All draw data to render a Dear ImGui frame +// (NB: the style and the naming convention here is a little inconsistent, we currently preserve them for backward compatibility purpose, +// as this is one of the oldest structure exposed by the library! Basically, ImDrawList == CmdList) +struct ImDrawData +{ + bool Valid; // Only valid after Render() is called and before the next NewFrame() is called. + ImDrawList** CmdLists; // Array of ImDrawList* to render. The ImDrawList are owned by ImGuiContext and only pointed to from here. + int CmdListsCount; // Number of ImDrawList* to render + int TotalIdxCount; // For convenience, sum of all ImDrawList's IdxBuffer.Size + int TotalVtxCount; // For convenience, sum of all ImDrawList's VtxBuffer.Size + ImVec2 DisplayPos; // Upper-left position of the viewport to render (== upper-left of the orthogonal projection matrix to use) + ImVec2 DisplaySize; // Size of the viewport to render (== io.DisplaySize for the main viewport) (DisplayPos + DisplaySize == lower-right of the orthogonal projection matrix to use) + ImVec2 FramebufferScale; // Amount of pixels for each unit of DisplaySize. Based on io.DisplayFramebufferScale. Generally (1,1) on normal display, (2,2) on OSX with Retina display. + + // Functions + ImDrawData() { Valid = false; Clear(); } + ~ImDrawData() { Clear(); } + void Clear() { Valid = false; CmdLists = NULL; CmdListsCount = TotalVtxCount = TotalIdxCount = 0; DisplayPos = DisplaySize = FramebufferScale = ImVec2(0.f, 0.f); } // The ImDrawList are owned by ImGuiContext! + IMGUI_API void DeIndexAllBuffers(); // Helper to convert all buffers from indexed to non-indexed, in case you cannot render indexed. Note: this is slow and most likely a waste of resources. Always prefer indexed rendering! + IMGUI_API void ScaleClipRects(const ImVec2& fb_scale); // Helper to scale the ClipRect field of each ImDrawCmd. Use if your final output buffer is at a different scale than Dear ImGui expects, or if there is a difference between your window resolution and framebuffer resolution. +}; + +//----------------------------------------------------------------------------- +// Font API (ImFontConfig, ImFontGlyph, ImFontAtlasFlags, ImFontAtlas, ImFontGlyphRangesBuilder, ImFont) +//----------------------------------------------------------------------------- + +struct ImFontConfig +{ + void* FontData; // // TTF/OTF data + int FontDataSize; // // TTF/OTF data size + bool FontDataOwnedByAtlas; // true // TTF/OTF data ownership taken by the container ImFontAtlas (will delete memory itself). + int FontNo; // 0 // Index of font within TTF/OTF file + float SizePixels; // // Size in pixels for rasterizer (more or less maps to the resulting font height). + int OversampleH; // 3 // Rasterize at higher quality for sub-pixel positioning. Read https://github.com/nothings/stb/blob/master/tests/oversample/README.md for details. + int OversampleV; // 1 // Rasterize at higher quality for sub-pixel positioning. We don't use sub-pixel positions on the Y axis. + bool PixelSnapH; // false // Align every glyph to pixel boundary. Useful e.g. if you are merging a non-pixel aligned font with the default font. If enabled, you can set OversampleH/V to 1. + ImVec2 GlyphExtraSpacing; // 0, 0 // Extra spacing (in pixels) between glyphs. Only X axis is supported for now. + ImVec2 GlyphOffset; // 0, 0 // Offset all glyphs from this font input. + const ImWchar* GlyphRanges; // NULL // Pointer to a user-provided list of Unicode range (2 value per range, values are inclusive, zero-terminated list). THE ARRAY DATA NEEDS TO PERSIST AS LONG AS THE FONT IS ALIVE. + float GlyphMinAdvanceX; // 0 // Minimum AdvanceX for glyphs, set Min to align font icons, set both Min/Max to enforce mono-space font + float GlyphMaxAdvanceX; // FLT_MAX // Maximum AdvanceX for glyphs + bool MergeMode; // false // Merge into previous ImFont, so you can combine multiple inputs font into one ImFont (e.g. ASCII font + icons + Japanese glyphs). You may want to use GlyphOffset.y when merge font of different heights. + unsigned int RasterizerFlags; // 0x00 // Settings for custom font rasterizer (e.g. ImGuiFreeType). Leave as zero if you aren't using one. + float RasterizerMultiply; // 1.0f // Brighten (>1.0f) or darken (<1.0f) font output. Brightening small fonts may be a good workaround to make them more readable. + ImWchar EllipsisChar; // -1 // Explicitly specify unicode codepoint of ellipsis character. When fonts are being merged first specified ellipsis will be used. + + // [Internal] + char Name[40]; // Name (strictly to ease debugging) + ImFont* DstFont; + + IMGUI_API ImFontConfig(); +}; + +// Hold rendering data for one glyph. +// (Note: some language parsers may fail to convert the 31+1 bitfield members, in this case maybe drop store a single u32 or we can rework this) +struct ImFontGlyph +{ + unsigned int Codepoint : 31; // 0x0000..0xFFFF + unsigned int Visible : 1; // Flag to allow early out when rendering + float AdvanceX; // Distance to next character (= data from font + ImFontConfig::GlyphExtraSpacing.x baked in) + float X0, Y0, X1, Y1; // Glyph corners + float U0, V0, U1, V1; // Texture coordinates +}; + +// Helper to build glyph ranges from text/string data. Feed your application strings/characters to it then call BuildRanges(). +// This is essentially a tightly packed of vector of 64k booleans = 8KB storage. +struct ImFontGlyphRangesBuilder +{ + ImVector UsedChars; // Store 1-bit per Unicode code point (0=unused, 1=used) + + ImFontGlyphRangesBuilder() { Clear(); } + inline void Clear() { int size_in_bytes = (IM_UNICODE_CODEPOINT_MAX + 1) / 8; UsedChars.resize(size_in_bytes / (int)sizeof(ImU32)); memset(UsedChars.Data, 0, (size_t)size_in_bytes); } + inline bool GetBit(size_t n) const { int off = (int)(n >> 5); ImU32 mask = 1u << (n & 31); return (UsedChars[off] & mask) != 0; } // Get bit n in the array + inline void SetBit(size_t n) { int off = (int)(n >> 5); ImU32 mask = 1u << (n & 31); UsedChars[off] |= mask; } // Set bit n in the array + inline void AddChar(ImWchar c) { SetBit(c); } // Add character + IMGUI_API void AddText(const char* text, const char* text_end = NULL); // Add string (each character of the UTF-8 string are added) + IMGUI_API void AddRanges(const ImWchar* ranges); // Add ranges, e.g. builder.AddRanges(ImFontAtlas::GetGlyphRangesDefault()) to force add all of ASCII/Latin+Ext + IMGUI_API void BuildRanges(ImVector* out_ranges); // Output new ranges +}; + +// See ImFontAtlas::AddCustomRectXXX functions. +struct ImFontAtlasCustomRect +{ + unsigned int ID; // Input // User ID. Use < 0x110000 to map into a font glyph, >= 0x110000 for other/internal/custom texture data. + unsigned short Width, Height; // Input // Desired rectangle dimension + unsigned short X, Y; // Output // Packed position in Atlas + float GlyphAdvanceX; // Input // For custom font glyphs only (ID < 0x110000): glyph xadvance + ImVec2 GlyphOffset; // Input // For custom font glyphs only (ID < 0x110000): glyph display offset + ImFont* Font; // Input // For custom font glyphs only (ID < 0x110000): target font + ImFontAtlasCustomRect() { ID = 0xFFFFFFFF; Width = Height = 0; X = Y = 0xFFFF; GlyphAdvanceX = 0.0f; GlyphOffset = ImVec2(0,0); Font = NULL; } + bool IsPacked() const { return X != 0xFFFF; } +}; + +enum ImFontAtlasFlags_ +{ + ImFontAtlasFlags_None = 0, + ImFontAtlasFlags_NoPowerOfTwoHeight = 1 << 0, // Don't round the height to next power of two + ImFontAtlasFlags_NoMouseCursors = 1 << 1 // Don't build software mouse cursors into the atlas +}; + +// Load and rasterize multiple TTF/OTF fonts into a same texture. The font atlas will build a single texture holding: +// - One or more fonts. +// - Custom graphics data needed to render the shapes needed by Dear ImGui. +// - Mouse cursor shapes for software cursor rendering (unless setting 'Flags |= ImFontAtlasFlags_NoMouseCursors' in the font atlas). +// It is the user-code responsibility to setup/build the atlas, then upload the pixel data into a texture accessible by your graphics api. +// - Optionally, call any of the AddFont*** functions. If you don't call any, the default font embedded in the code will be loaded for you. +// - Call GetTexDataAsAlpha8() or GetTexDataAsRGBA32() to build and retrieve pixels data. +// - Upload the pixels data into a texture within your graphics system (see imgui_impl_xxxx.cpp examples) +// - Call SetTexID(my_tex_id); and pass the pointer/identifier to your texture in a format natural to your graphics API. +// This value will be passed back to you during rendering to identify the texture. Read FAQ entry about ImTextureID for more details. +// Common pitfalls: +// - If you pass a 'glyph_ranges' array to AddFont*** functions, you need to make sure that your array persist up until the +// atlas is build (when calling GetTexData*** or Build()). We only copy the pointer, not the data. +// - Important: By default, AddFontFromMemoryTTF() takes ownership of the data. Even though we are not writing to it, we will free the pointer on destruction. +// You can set font_cfg->FontDataOwnedByAtlas=false to keep ownership of your data and it won't be freed, +// - Even though many functions are suffixed with "TTF", OTF data is supported just as well. +// - This is an old API and it is currently awkward for those and and various other reasons! We will address them in the future! +struct ImFontAtlas +{ + IMGUI_API ImFontAtlas(); + IMGUI_API ~ImFontAtlas(); + IMGUI_API ImFont* AddFont(const ImFontConfig* font_cfg); + IMGUI_API ImFont* AddFontDefault(const ImFontConfig* font_cfg = NULL); + IMGUI_API ImFont* AddFontFromFileTTF(const char* filename, float size_pixels, const ImFontConfig* font_cfg = NULL, const ImWchar* glyph_ranges = NULL); + IMGUI_API ImFont* AddFontFromMemoryTTF(void* font_data, int font_size, float size_pixels, const ImFontConfig* font_cfg = NULL, const ImWchar* glyph_ranges = NULL); // Note: Transfer ownership of 'ttf_data' to ImFontAtlas! Will be deleted after destruction of the atlas. Set font_cfg->FontDataOwnedByAtlas=false to keep ownership of your data and it won't be freed. + IMGUI_API ImFont* AddFontFromMemoryCompressedTTF(const void* compressed_font_data, int compressed_font_size, float size_pixels, const ImFontConfig* font_cfg = NULL, const ImWchar* glyph_ranges = NULL); // 'compressed_font_data' still owned by caller. Compress with binary_to_compressed_c.cpp. + IMGUI_API ImFont* AddFontFromMemoryCompressedBase85TTF(const char* compressed_font_data_base85, float size_pixels, const ImFontConfig* font_cfg = NULL, const ImWchar* glyph_ranges = NULL); // 'compressed_font_data_base85' still owned by caller. Compress with binary_to_compressed_c.cpp with -base85 parameter. + IMGUI_API void ClearInputData(); // Clear input data (all ImFontConfig structures including sizes, TTF data, glyph ranges, etc.) = all the data used to build the texture and fonts. + IMGUI_API void ClearTexData(); // Clear output texture data (CPU side). Saves RAM once the texture has been copied to graphics memory. + IMGUI_API void ClearFonts(); // Clear output font data (glyphs storage, UV coordinates). + IMGUI_API void Clear(); // Clear all input and output. + + // Build atlas, retrieve pixel data. + // User is in charge of copying the pixels into graphics memory (e.g. create a texture with your engine). Then store your texture handle with SetTexID(). + // The pitch is always = Width * BytesPerPixels (1 or 4) + // Building in RGBA32 format is provided for convenience and compatibility, but note that unless you manually manipulate or copy color data into + // the texture (e.g. when using the AddCustomRect*** api), then the RGB pixels emitted will always be white (~75% of memory/bandwidth waste. + IMGUI_API bool Build(); // Build pixels data. This is called automatically for you by the GetTexData*** functions. + IMGUI_API void GetTexDataAsAlpha8(unsigned char** out_pixels, int* out_width, int* out_height, int* out_bytes_per_pixel = NULL); // 1 byte per-pixel + IMGUI_API void GetTexDataAsRGBA32(unsigned char** out_pixels, int* out_width, int* out_height, int* out_bytes_per_pixel = NULL); // 4 bytes-per-pixel + bool IsBuilt() const { return Fonts.Size > 0 && (TexPixelsAlpha8 != NULL || TexPixelsRGBA32 != NULL); } + void SetTexID(ImTextureID id) { TexID = id; } + + //------------------------------------------- + // Glyph Ranges + //------------------------------------------- + + // Helpers to retrieve list of common Unicode ranges (2 value per range, values are inclusive, zero-terminated list) + // NB: Make sure that your string are UTF-8 and NOT in your local code page. In C++11, you can create UTF-8 string literal using the u8"Hello world" syntax. See FAQ for details. + // NB: Consider using ImFontGlyphRangesBuilder to build glyph ranges from textual data. + IMGUI_API const ImWchar* GetGlyphRangesDefault(); // Basic Latin, Extended Latin + IMGUI_API const ImWchar* GetGlyphRangesKorean(); // Default + Korean characters + IMGUI_API const ImWchar* GetGlyphRangesJapanese(); // Default + Hiragana, Katakana, Half-Width, Selection of 1946 Ideographs + IMGUI_API const ImWchar* GetGlyphRangesChineseFull(); // Default + Half-Width + Japanese Hiragana/Katakana + full set of about 21000 CJK Unified Ideographs + IMGUI_API const ImWchar* GetGlyphRangesChineseSimplifiedCommon();// Default + Half-Width + Japanese Hiragana/Katakana + set of 2500 CJK Unified Ideographs for common simplified Chinese + IMGUI_API const ImWchar* GetGlyphRangesCyrillic(); // Default + about 400 Cyrillic characters + IMGUI_API const ImWchar* GetGlyphRangesThai(); // Default + Thai characters + IMGUI_API const ImWchar* GetGlyphRangesVietnamese(); // Default + Vietnamese characters + + //------------------------------------------- + // [BETA] Custom Rectangles/Glyphs API + //------------------------------------------- + + // You can request arbitrary rectangles to be packed into the atlas, for your own purposes. + // After calling Build(), you can query the rectangle position and render your pixels. + // You can also request your rectangles to be mapped as font glyph (given a font + Unicode point), + // so you can render e.g. custom colorful icons and use them as regular glyphs. + // Read docs/FONTS.txt for more details about using colorful icons. + IMGUI_API int AddCustomRectRegular(unsigned int id, int width, int height); // Id needs to be >= 0x110000. Id >= 0x80000000 are reserved for ImGui and ImDrawList + IMGUI_API int AddCustomRectFontGlyph(ImFont* font, ImWchar id, int width, int height, float advance_x, const ImVec2& offset = ImVec2(0,0)); // Id needs to be < 0x110000 to register a rectangle to map into a specific font. + const ImFontAtlasCustomRect*GetCustomRectByIndex(int index) const { if (index < 0) return NULL; return &CustomRects[index]; } + + // [Internal] + IMGUI_API void CalcCustomRectUV(const ImFontAtlasCustomRect* rect, ImVec2* out_uv_min, ImVec2* out_uv_max) const; + IMGUI_API bool GetMouseCursorTexData(ImGuiMouseCursor cursor, ImVec2* out_offset, ImVec2* out_size, ImVec2 out_uv_border[2], ImVec2 out_uv_fill[2]); + + //------------------------------------------- + // Members + //------------------------------------------- + + bool Locked; // Marked as Locked by ImGui::NewFrame() so attempt to modify the atlas will assert. + ImFontAtlasFlags Flags; // Build flags (see ImFontAtlasFlags_) + ImTextureID TexID; // User data to refer to the texture once it has been uploaded to user's graphic systems. It is passed back to you during rendering via the ImDrawCmd structure. + int TexDesiredWidth; // Texture width desired by user before Build(). Must be a power-of-two. If have many glyphs your graphics API have texture size restrictions you may want to increase texture width to decrease height. + int TexGlyphPadding; // Padding between glyphs within texture in pixels. Defaults to 1. If your rendering method doesn't rely on bilinear filtering you may set this to 0. + + // [Internal] + // NB: Access texture data via GetTexData*() calls! Which will setup a default font for you. + unsigned char* TexPixelsAlpha8; // 1 component per pixel, each component is unsigned 8-bit. Total size = TexWidth * TexHeight + unsigned int* TexPixelsRGBA32; // 4 component per pixel, each component is unsigned 8-bit. Total size = TexWidth * TexHeight * 4 + int TexWidth; // Texture width calculated during Build(). + int TexHeight; // Texture height calculated during Build(). + ImVec2 TexUvScale; // = (1.0f/TexWidth, 1.0f/TexHeight) + ImVec2 TexUvWhitePixel; // Texture coordinates to a white pixel + ImVector Fonts; // Hold all the fonts returned by AddFont*. Fonts[0] is the default font upon calling ImGui::NewFrame(), use ImGui::PushFont()/PopFont() to change the current font. + ImVector CustomRects; // Rectangles for packing custom texture data into the atlas. + ImVector ConfigData; // Internal data + int CustomRectIds[1]; // Identifiers of custom texture rectangle used by ImFontAtlas/ImDrawList + +#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS + typedef ImFontAtlasCustomRect CustomRect; // OBSOLETED in 1.72+ + typedef ImFontGlyphRangesBuilder GlyphRangesBuilder; // OBSOLETED in 1.67+ +#endif +}; + +// Font runtime data and rendering +// ImFontAtlas automatically loads a default embedded font for you when you call GetTexDataAsAlpha8() or GetTexDataAsRGBA32(). +struct ImFont +{ + // Members: Hot ~20/24 bytes (for CalcTextSize) + ImVector IndexAdvanceX; // 12-16 // out // // Sparse. Glyphs->AdvanceX in a directly indexable way (cache-friendly for CalcTextSize functions which only this this info, and are often bottleneck in large UI). + float FallbackAdvanceX; // 4 // out // = FallbackGlyph->AdvanceX + float FontSize; // 4 // in // // Height of characters/line, set during loading (don't change after loading) + + // Members: Hot ~36/48 bytes (for CalcTextSize + render loop) + ImVector IndexLookup; // 12-16 // out // // Sparse. Index glyphs by Unicode code-point. + ImVector Glyphs; // 12-16 // out // // All glyphs. + const ImFontGlyph* FallbackGlyph; // 4-8 // out // = FindGlyph(FontFallbackChar) + ImVec2 DisplayOffset; // 8 // in // = (0,0) // Offset font rendering by xx pixels + + // Members: Cold ~32/40 bytes + ImFontAtlas* ContainerAtlas; // 4-8 // out // // What we has been loaded into + const ImFontConfig* ConfigData; // 4-8 // in // // Pointer within ContainerAtlas->ConfigData + short ConfigDataCount; // 2 // in // ~ 1 // Number of ImFontConfig involved in creating this font. Bigger than 1 when merging multiple font sources into one ImFont. + ImWchar FallbackChar; // 2 // in // = '?' // Replacement character if a glyph isn't found. Only set via SetFallbackChar() + ImWchar EllipsisChar; // 2 // out // = -1 // Character used for ellipsis rendering. + bool DirtyLookupTables; // 1 // out // + float Scale; // 4 // in // = 1.f // Base font scale, multiplied by the per-window font scale which you can adjust with SetWindowFontScale() + float Ascent, Descent; // 4+4 // out // // Ascent: distance from top to bottom of e.g. 'A' [0..FontSize] + int MetricsTotalSurface;// 4 // out // // Total surface in pixels to get an idea of the font rasterization/texture cost (not exact, we approximate the cost of padding between glyphs) + ImU8 Used4kPagesMap[(IM_UNICODE_CODEPOINT_MAX+1)/4096/8]; // 2 bytes if ImWchar=ImWchar16, 34 bytes if ImWchar==ImWchar32. Store 1-bit for each block of 4K codepoints that has one active glyph. This is mainly used to facilitate iterations accross all used codepoints. + + // Methods + IMGUI_API ImFont(); + IMGUI_API ~ImFont(); + IMGUI_API const ImFontGlyph*FindGlyph(ImWchar c) const; + IMGUI_API const ImFontGlyph*FindGlyphNoFallback(ImWchar c) const; + float GetCharAdvance(ImWchar c) const { return ((int)c < IndexAdvanceX.Size) ? IndexAdvanceX[(int)c] : FallbackAdvanceX; } + bool IsLoaded() const { return ContainerAtlas != NULL; } + const char* GetDebugName() const { return ConfigData ? ConfigData->Name : ""; } + + // 'max_width' stops rendering after a certain width (could be turned into a 2d size). FLT_MAX to disable. + // 'wrap_width' enable automatic word-wrapping across multiple lines to fit into given width. 0.0f to disable. + IMGUI_API ImVec2 CalcTextSizeA(float size, float max_width, float wrap_width, const char* text_begin, const char* text_end = NULL, const char** remaining = NULL) const; // utf8 + IMGUI_API const char* CalcWordWrapPositionA(float scale, const char* text, const char* text_end, float wrap_width) const; + IMGUI_API void RenderChar(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col, ImWchar c) const; + IMGUI_API void RenderText(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col, const ImVec4& clip_rect, const char* text_begin, const char* text_end, float wrap_width = 0.0f, bool cpu_fine_clip = false) const; + + // [Internal] Don't use! + IMGUI_API void BuildLookupTable(); + IMGUI_API void ClearOutputData(); + IMGUI_API void GrowIndex(int new_size); + IMGUI_API void AddGlyph(ImWchar c, float x0, float y0, float x1, float y1, float u0, float v0, float u1, float v1, float advance_x); + IMGUI_API void AddRemapChar(ImWchar dst, ImWchar src, bool overwrite_dst = true); // Makes 'dst' character/glyph points to 'src' character/glyph. Currently needs to be called AFTER fonts have been built. + IMGUI_API void SetGlyphVisible(ImWchar c, bool visible); + IMGUI_API void SetFallbackChar(ImWchar c); + IMGUI_API bool IsGlyphRangeUnused(unsigned int c_begin, unsigned int c_last); +}; + +#if defined(__clang__) +#pragma clang diagnostic pop +#elif defined(__GNUC__) +#pragma GCC diagnostic pop +#endif + +// Include imgui_user.h at the end of imgui.h (convenient for user to only explicitly include vanilla imgui.h) +#ifdef IMGUI_INCLUDE_IMGUI_USER_H +#include "imgui_user.h" +#endif + +#endif // #ifndef IMGUI_DISABLE diff --git a/imgui-submodule/imgui/imgui_demo.cpp b/imgui-submodule/imgui/imgui_demo.cpp new file mode 100644 index 0000000..2664cb1 --- /dev/null +++ b/imgui-submodule/imgui/imgui_demo.cpp @@ -0,0 +1,4917 @@ +// dear imgui, v1.76 WIP +// (demo code) + +// Help: +// - Read FAQ at http://dearimgui.org/faq +// - Newcomers, read 'Programmer guide' in imgui.cpp for notes on how to setup Dear ImGui in your codebase. +// - Call and read ImGui::ShowDemoWindow() in imgui_demo.cpp for demo code. All applications in examples/ are doing that. +// Read imgui.cpp for more details, documentation and comments. +// Get latest version at https://github.com/ocornut/imgui + +// Message to the person tempted to delete this file when integrating Dear ImGui into their code base: +// Do NOT remove this file from your project! Think again! It is the most useful reference code that you and other coders +// will want to refer to and call. Have the ImGui::ShowDemoWindow() function wired in an always-available debug menu of +// your game/app! Removing this file from your project is hindering access to documentation for everyone in your team, +// likely leading you to poorer usage of the library. +// Everything in this file will be stripped out by the linker if you don't call ImGui::ShowDemoWindow(). +// If you want to link core Dear ImGui in your shipped builds but want a thorough guarantee that the demo will not be linked, +// you can setup your imconfig.h with #define IMGUI_DISABLE_DEMO_WINDOWS and those functions will be empty. +// In other situation, whenever you have Dear ImGui available you probably want this to be available for reference. +// Thank you, +// -Your beloved friend, imgui_demo.cpp (which you won't delete) + +// Message to beginner C/C++ programmers about the meaning of the 'static' keyword: +// In this demo code, we frequently we use 'static' variables inside functions. A static variable persist across calls, so it is +// essentially like a global variable but declared inside the scope of the function. We do this as a way to gather code and data +// in the same place, to make the demo source code faster to read, faster to write, and smaller in size. +// It also happens to be a convenient way of storing simple UI related information as long as your function doesn't need to be +// reentrant or used in multiple threads. This might be a pattern you will want to use in your code, but most of the real data +// you would be editing is likely going to be stored outside your functions. + +// The Demo code in this file is designed to be easy to copy-and-paste in into your application! +// Because of this: +// - We never omit the ImGui:: namespace when calling functions, even though most of our code is already in the same namespace. +// - We try to declare static variables in the local scope, as close as possible to the code using them. +// - We never use any of the helpers/facilities used internally by Dear ImGui, unless it has been exposed in the public API (imgui.h). +// - We never use maths operators on ImVec2/ImVec4. For other of our sources files, they are provided by imgui_internal.h w/ IMGUI_DEFINE_MATH_OPERATORS. +// For your own sources file they are optional and require you either enable those, either provide your own via IM_VEC2_CLASS_EXTRA in imconfig.h. +// Because we don't want to assume anything about your support of maths operators, we don't use them in imgui_demo.cpp. + +/* + +Index of this file: + +// [SECTION] Forward Declarations, Helpers +// [SECTION] Demo Window / ShowDemoWindow() +// [SECTION] About Window / ShowAboutWindow() +// [SECTION] Style Editor / ShowStyleEditor() +// [SECTION] Example App: Main Menu Bar / ShowExampleAppMainMenuBar() +// [SECTION] Example App: Debug Console / ShowExampleAppConsole() +// [SECTION] Example App: Debug Log / ShowExampleAppLog() +// [SECTION] Example App: Simple Layout / ShowExampleAppLayout() +// [SECTION] Example App: Property Editor / ShowExampleAppPropertyEditor() +// [SECTION] Example App: Long Text / ShowExampleAppLongText() +// [SECTION] Example App: Auto Resize / ShowExampleAppAutoResize() +// [SECTION] Example App: Constrained Resize / ShowExampleAppConstrainedResize() +// [SECTION] Example App: Simple Overlay / ShowExampleAppSimpleOverlay() +// [SECTION] Example App: Manipulating Window Titles / ShowExampleAppWindowTitles() +// [SECTION] Example App: Custom Rendering using ImDrawList API / ShowExampleAppCustomRendering() +// [SECTION] Example App: Documents Handling / ShowExampleAppDocuments() + +*/ + +#if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS) +#define _CRT_SECURE_NO_WARNINGS +#endif + +#include "imgui.h" +#ifndef IMGUI_DISABLE + +#include // toupper +#include // INT_MIN, INT_MAX +#include // sqrtf, powf, cosf, sinf, floorf, ceilf +#include // vsnprintf, sscanf, printf +#include // NULL, malloc, free, atoi +#if defined(_MSC_VER) && _MSC_VER <= 1500 // MSVC 2008 or earlier +#include // intptr_t +#else +#include // intptr_t +#endif + +#ifdef _MSC_VER +#pragma warning (disable: 4996) // 'This function or variable may be unsafe': strcpy, strdup, sprintf, vsnprintf, sscanf, fopen +#endif +#if defined(__clang__) +#pragma clang diagnostic ignored "-Wold-style-cast" // warning : use of old-style cast // yes, they are more terse. +#pragma clang diagnostic ignored "-Wdeprecated-declarations" // warning : 'xx' is deprecated: The POSIX name for this item.. // for strdup used in demo code (so user can copy & paste the code) +#pragma clang diagnostic ignored "-Wint-to-void-pointer-cast" // warning : cast to 'void *' from smaller integer type 'int' +#pragma clang diagnostic ignored "-Wformat-security" // warning : warning: format string is not a string literal +#pragma clang diagnostic ignored "-Wexit-time-destructors" // warning : declaration requires an exit-time destructor // exit-time destruction order is undefined. if MemFree() leads to users code that has been disabled before exit it might cause problems. ImGui coding style welcomes static/globals. +#pragma clang diagnostic ignored "-Wunused-macros" // warning : warning: macro is not used // we define snprintf/vsnprintf on Windows so they are available, but not always used. +#if __has_warning("-Wzero-as-null-pointer-constant") +#pragma clang diagnostic ignored "-Wzero-as-null-pointer-constant" // warning : zero as null pointer constant // some standard header variations use #define NULL 0 +#endif +#if __has_warning("-Wdouble-promotion") +#pragma clang diagnostic ignored "-Wdouble-promotion" // warning: implicit conversion from 'float' to 'double' when passing argument to function // using printf() is a misery with this as C++ va_arg ellipsis changes float to double. +#endif +#if __has_warning("-Wreserved-id-macro") +#pragma clang diagnostic ignored "-Wreserved-id-macro" // warning : macro name is a reserved identifier // +#endif +#elif defined(__GNUC__) +#pragma GCC diagnostic ignored "-Wpragmas" // warning: unknown option after '#pragma GCC diagnostic' kind +#pragma GCC diagnostic ignored "-Wint-to-pointer-cast" // warning: cast to pointer from integer of different size +#pragma GCC diagnostic ignored "-Wformat-security" // warning : format string is not a string literal (potentially insecure) +#pragma GCC diagnostic ignored "-Wdouble-promotion" // warning: implicit conversion from 'float' to 'double' when passing argument to function +#pragma GCC diagnostic ignored "-Wconversion" // warning: conversion to 'xxxx' from 'xxxx' may alter its value +#pragma GCC diagnostic ignored "-Wmisleading-indentation" // [__GNUC__ >= 6] warning: this 'if' clause does not guard this statement // GCC 6.0+ only. See #883 on GitHub. +#endif + +// Play it nice with Windows users (Update: since 2018-05, Notepad finally appears to support Unix-style carriage returns!) +#ifdef _WIN32 +#define IM_NEWLINE "\r\n" +#else +#define IM_NEWLINE "\n" +#endif + +#if defined(_MSC_VER) && !defined(snprintf) +#define snprintf _snprintf +#endif +#if defined(_MSC_VER) && !defined(vsnprintf) +#define vsnprintf _vsnprintf +#endif + +//----------------------------------------------------------------------------- +// [SECTION] Forward Declarations, Helpers +//----------------------------------------------------------------------------- + +#if !defined(IMGUI_DISABLE_DEMO_WINDOWS) + +// Forward Declarations +static void ShowExampleAppDocuments(bool* p_open); +static void ShowExampleAppMainMenuBar(); +static void ShowExampleAppConsole(bool* p_open); +static void ShowExampleAppLog(bool* p_open); +static void ShowExampleAppLayout(bool* p_open); +static void ShowExampleAppPropertyEditor(bool* p_open); +static void ShowExampleAppLongText(bool* p_open); +static void ShowExampleAppAutoResize(bool* p_open); +static void ShowExampleAppConstrainedResize(bool* p_open); +static void ShowExampleAppSimpleOverlay(bool* p_open); +static void ShowExampleAppWindowTitles(bool* p_open); +static void ShowExampleAppCustomRendering(bool* p_open); +static void ShowExampleMenuFile(); + +// Helper to display a little (?) mark which shows a tooltip when hovered. +// In your own code you may want to display an actual icon if you are using a merged icon fonts (see docs/FONTS.txt) +static void HelpMarker(const char* desc) +{ + ImGui::TextDisabled("(?)"); + if (ImGui::IsItemHovered()) + { + ImGui::BeginTooltip(); + ImGui::PushTextWrapPos(ImGui::GetFontSize() * 35.0f); + ImGui::TextUnformatted(desc); + ImGui::PopTextWrapPos(); + ImGui::EndTooltip(); + } +} + +// Helper to display basic user controls. +void ImGui::ShowUserGuide() +{ + ImGuiIO& io = ImGui::GetIO(); + ImGui::BulletText("Double-click on title bar to collapse window."); + ImGui::BulletText("Click and drag on lower corner to resize window\n(double-click to auto fit window to its contents)."); + ImGui::BulletText("CTRL+Click on a slider or drag box to input value as text."); + ImGui::BulletText("TAB/SHIFT+TAB to cycle through keyboard editable fields."); + if (io.FontAllowUserScaling) + ImGui::BulletText("CTRL+Mouse Wheel to zoom window contents."); + ImGui::BulletText("While inputing text:\n"); + ImGui::Indent(); + ImGui::BulletText("CTRL+Left/Right to word jump."); + ImGui::BulletText("CTRL+A or double-click to select all."); + ImGui::BulletText("CTRL+X/C/V to use clipboard cut/copy/paste."); + ImGui::BulletText("CTRL+Z,CTRL+Y to undo/redo."); + ImGui::BulletText("ESCAPE to revert."); + ImGui::BulletText("You can apply arithmetic operators +,*,/ on numerical values.\nUse +- to subtract."); + ImGui::Unindent(); + ImGui::BulletText("With keyboard navigation enabled:"); + ImGui::Indent(); + ImGui::BulletText("Arrow keys to navigate."); + ImGui::BulletText("Space to activate a widget."); + ImGui::BulletText("Return to input text into a widget."); + ImGui::BulletText("Escape to deactivate a widget, close popup, exit child window."); + ImGui::BulletText("Alt to jump to the menu layer of a window."); + ImGui::BulletText("CTRL+Tab to select a window."); + ImGui::Unindent(); +} + +//----------------------------------------------------------------------------- +// [SECTION] Demo Window / ShowDemoWindow() +//----------------------------------------------------------------------------- +// - ShowDemoWindowWidgets() +// - ShowDemoWindowLayout() +// - ShowDemoWindowPopups() +// - ShowDemoWindowColumns() +// - ShowDemoWindowMisc() +//----------------------------------------------------------------------------- + +// We split the contents of the big ShowDemoWindow() function into smaller functions (because the link time of very large functions grow non-linearly) +static void ShowDemoWindowWidgets(); +static void ShowDemoWindowLayout(); +static void ShowDemoWindowPopups(); +static void ShowDemoWindowColumns(); +static void ShowDemoWindowMisc(); + +// Demonstrate most Dear ImGui features (this is big function!) +// You may execute this function to experiment with the UI and understand what it does. You may then search for keywords in the code when you are interested by a specific feature. +void ImGui::ShowDemoWindow(bool* p_open) +{ + IM_ASSERT(ImGui::GetCurrentContext() != NULL && "Missing dear imgui context. Refer to examples app!"); // Exceptionally add an extra assert here for people confused with initial dear imgui setup + + // Examples Apps (accessible from the "Examples" menu) + static bool show_app_documents = false; + static bool show_app_main_menu_bar = false; + static bool show_app_console = false; + static bool show_app_log = false; + static bool show_app_layout = false; + static bool show_app_property_editor = false; + static bool show_app_long_text = false; + static bool show_app_auto_resize = false; + static bool show_app_constrained_resize = false; + static bool show_app_simple_overlay = false; + static bool show_app_window_titles = false; + static bool show_app_custom_rendering = false; + + if (show_app_documents) ShowExampleAppDocuments(&show_app_documents); + if (show_app_main_menu_bar) ShowExampleAppMainMenuBar(); + if (show_app_console) ShowExampleAppConsole(&show_app_console); + if (show_app_log) ShowExampleAppLog(&show_app_log); + if (show_app_layout) ShowExampleAppLayout(&show_app_layout); + if (show_app_property_editor) ShowExampleAppPropertyEditor(&show_app_property_editor); + if (show_app_long_text) ShowExampleAppLongText(&show_app_long_text); + if (show_app_auto_resize) ShowExampleAppAutoResize(&show_app_auto_resize); + if (show_app_constrained_resize) ShowExampleAppConstrainedResize(&show_app_constrained_resize); + if (show_app_simple_overlay) ShowExampleAppSimpleOverlay(&show_app_simple_overlay); + if (show_app_window_titles) ShowExampleAppWindowTitles(&show_app_window_titles); + if (show_app_custom_rendering) ShowExampleAppCustomRendering(&show_app_custom_rendering); + + // Dear ImGui Apps (accessible from the "Tools" menu) + static bool show_app_metrics = false; + static bool show_app_style_editor = false; + static bool show_app_about = false; + + if (show_app_metrics) { ImGui::ShowMetricsWindow(&show_app_metrics); } + if (show_app_style_editor) { ImGui::Begin("Style Editor", &show_app_style_editor); ImGui::ShowStyleEditor(); ImGui::End(); } + if (show_app_about) { ImGui::ShowAboutWindow(&show_app_about); } + + // Demonstrate the various window flags. Typically you would just use the default! + static bool no_titlebar = false; + static bool no_scrollbar = false; + static bool no_menu = false; + static bool no_move = false; + static bool no_resize = false; + static bool no_collapse = false; + static bool no_close = false; + static bool no_nav = false; + static bool no_background = false; + static bool no_bring_to_front = false; + + ImGuiWindowFlags window_flags = 0; + if (no_titlebar) window_flags |= ImGuiWindowFlags_NoTitleBar; + if (no_scrollbar) window_flags |= ImGuiWindowFlags_NoScrollbar; + if (!no_menu) window_flags |= ImGuiWindowFlags_MenuBar; + if (no_move) window_flags |= ImGuiWindowFlags_NoMove; + if (no_resize) window_flags |= ImGuiWindowFlags_NoResize; + if (no_collapse) window_flags |= ImGuiWindowFlags_NoCollapse; + if (no_nav) window_flags |= ImGuiWindowFlags_NoNav; + if (no_background) window_flags |= ImGuiWindowFlags_NoBackground; + if (no_bring_to_front) window_flags |= ImGuiWindowFlags_NoBringToFrontOnFocus; + if (no_close) p_open = NULL; // Don't pass our bool* to Begin + + // We specify a default position/size in case there's no data in the .ini file. Typically this isn't required! We only do it to make the Demo applications a little more welcoming. + ImGui::SetNextWindowPos(ImVec2(650, 20), ImGuiCond_FirstUseEver); + ImGui::SetNextWindowSize(ImVec2(550, 680), ImGuiCond_FirstUseEver); + + // Main body of the Demo window starts here. + if (!ImGui::Begin("Dear ImGui Demo", p_open, window_flags)) + { + // Early out if the window is collapsed, as an optimization. + ImGui::End(); + return; + } + + // Most "big" widgets share a common width settings by default. + //ImGui::PushItemWidth(ImGui::GetWindowWidth() * 0.65f); // Use 2/3 of the space for widgets and 1/3 for labels (default) + ImGui::PushItemWidth(ImGui::GetFontSize() * -12); // Use fixed width for labels (by passing a negative value), the rest goes to widgets. We choose a width proportional to our font size. + + // Menu Bar + if (ImGui::BeginMenuBar()) + { + if (ImGui::BeginMenu("Menu")) + { + ShowExampleMenuFile(); + ImGui::EndMenu(); + } + if (ImGui::BeginMenu("Examples")) + { + ImGui::MenuItem("Main menu bar", NULL, &show_app_main_menu_bar); + ImGui::MenuItem("Console", NULL, &show_app_console); + ImGui::MenuItem("Log", NULL, &show_app_log); + ImGui::MenuItem("Simple layout", NULL, &show_app_layout); + ImGui::MenuItem("Property editor", NULL, &show_app_property_editor); + ImGui::MenuItem("Long text display", NULL, &show_app_long_text); + ImGui::MenuItem("Auto-resizing window", NULL, &show_app_auto_resize); + ImGui::MenuItem("Constrained-resizing window", NULL, &show_app_constrained_resize); + ImGui::MenuItem("Simple overlay", NULL, &show_app_simple_overlay); + ImGui::MenuItem("Manipulating window titles", NULL, &show_app_window_titles); + ImGui::MenuItem("Custom rendering", NULL, &show_app_custom_rendering); + ImGui::MenuItem("Documents", NULL, &show_app_documents); + ImGui::EndMenu(); + } + if (ImGui::BeginMenu("Tools")) + { + ImGui::MenuItem("Metrics", NULL, &show_app_metrics); + ImGui::MenuItem("Style Editor", NULL, &show_app_style_editor); + ImGui::MenuItem("About Dear ImGui", NULL, &show_app_about); + ImGui::EndMenu(); + } + ImGui::EndMenuBar(); + } + + ImGui::Text("dear imgui says hello. (%s)", IMGUI_VERSION); + ImGui::Spacing(); + + if (ImGui::CollapsingHeader("Help")) + { + ImGui::Text("ABOUT THIS DEMO:"); + ImGui::BulletText("Sections below are demonstrating many aspects of the library."); + ImGui::BulletText("The \"Examples\" menu above leads to more demo contents."); + ImGui::BulletText("The \"Tools\" menu above gives access to: About Box, Style Editor,\n" + "and Metrics (general purpose Dear ImGui debugging tool)."); + ImGui::Separator(); + + ImGui::Text("PROGRAMMER GUIDE:"); + ImGui::BulletText("See the ShowDemoWindow() code in imgui_demo.cpp. <- you are here!"); + ImGui::BulletText("See comments in imgui.cpp."); + ImGui::BulletText("See example applications in the examples/ folder."); + ImGui::BulletText("Read the FAQ at http://www.dearimgui.org/faq/"); + ImGui::BulletText("Set 'io.ConfigFlags |= NavEnableKeyboard' for keyboard controls."); + ImGui::BulletText("Set 'io.ConfigFlags |= NavEnableGamepad' for gamepad controls."); + ImGui::Separator(); + + ImGui::Text("USER GUIDE:"); + ImGui::ShowUserGuide(); + } + + if (ImGui::CollapsingHeader("Configuration")) + { + ImGuiIO& io = ImGui::GetIO(); + + if (ImGui::TreeNode("Configuration##2")) + { + ImGui::CheckboxFlags("io.ConfigFlags: NavEnableKeyboard", (unsigned int *)&io.ConfigFlags, ImGuiConfigFlags_NavEnableKeyboard); + ImGui::CheckboxFlags("io.ConfigFlags: NavEnableGamepad", (unsigned int *)&io.ConfigFlags, ImGuiConfigFlags_NavEnableGamepad); + ImGui::SameLine(); HelpMarker("Required back-end to feed in gamepad inputs in io.NavInputs[] and set io.BackendFlags |= ImGuiBackendFlags_HasGamepad.\n\nRead instructions in imgui.cpp for details."); + ImGui::CheckboxFlags("io.ConfigFlags: NavEnableSetMousePos", (unsigned int *)&io.ConfigFlags, ImGuiConfigFlags_NavEnableSetMousePos); + ImGui::SameLine(); HelpMarker("Instruct navigation to move the mouse cursor. See comment for ImGuiConfigFlags_NavEnableSetMousePos."); + ImGui::CheckboxFlags("io.ConfigFlags: NoMouse", (unsigned int *)&io.ConfigFlags, ImGuiConfigFlags_NoMouse); + if (io.ConfigFlags & ImGuiConfigFlags_NoMouse) // Create a way to restore this flag otherwise we could be stuck completely! + { + if (fmodf((float)ImGui::GetTime(), 0.40f) < 0.20f) + { + ImGui::SameLine(); + ImGui::Text("<>"); + } + if (ImGui::IsKeyPressed(ImGui::GetKeyIndex(ImGuiKey_Space))) + io.ConfigFlags &= ~ImGuiConfigFlags_NoMouse; + } + ImGui::CheckboxFlags("io.ConfigFlags: NoMouseCursorChange", (unsigned int *)&io.ConfigFlags, ImGuiConfigFlags_NoMouseCursorChange); + ImGui::SameLine(); HelpMarker("Instruct back-end to not alter mouse cursor shape and visibility."); + ImGui::Checkbox("io.ConfigInputTextCursorBlink", &io.ConfigInputTextCursorBlink); + ImGui::SameLine(); HelpMarker("Set to false to disable blinking cursor, for users who consider it distracting"); + ImGui::Checkbox("io.ConfigWindowsResizeFromEdges", &io.ConfigWindowsResizeFromEdges); + ImGui::SameLine(); HelpMarker("Enable resizing of windows from their edges and from the lower-left corner.\nThis requires (io.BackendFlags & ImGuiBackendFlags_HasMouseCursors) because it needs mouse cursor feedback."); + ImGui::Checkbox("io.ConfigWindowsMoveFromTitleBarOnly", &io.ConfigWindowsMoveFromTitleBarOnly); + ImGui::Checkbox("io.MouseDrawCursor", &io.MouseDrawCursor); + ImGui::SameLine(); HelpMarker("Instruct Dear ImGui to render a mouse cursor for you. Note that a mouse cursor rendered via your application GPU rendering path will feel more laggy than hardware cursor, but will be more in sync with your other visuals.\n\nSome desktop applications may use both kinds of cursors (e.g. enable software cursor only when resizing/dragging something)."); + ImGui::TreePop(); + ImGui::Separator(); + } + + if (ImGui::TreeNode("Backend Flags")) + { + HelpMarker("Those flags are set by the back-ends (imgui_impl_xxx files) to specify their capabilities.\nHere we expose then as read-only fields to avoid breaking interactions with your back-end."); + ImGuiBackendFlags backend_flags = io.BackendFlags; // Make a local copy to avoid modifying actual back-end flags. + ImGui::CheckboxFlags("io.BackendFlags: HasGamepad", (unsigned int *)&backend_flags, ImGuiBackendFlags_HasGamepad); + ImGui::CheckboxFlags("io.BackendFlags: HasMouseCursors", (unsigned int *)&backend_flags, ImGuiBackendFlags_HasMouseCursors); + ImGui::CheckboxFlags("io.BackendFlags: HasSetMousePos", (unsigned int *)&backend_flags, ImGuiBackendFlags_HasSetMousePos); + ImGui::CheckboxFlags("io.BackendFlags: RendererHasVtxOffset", (unsigned int *)&backend_flags, ImGuiBackendFlags_RendererHasVtxOffset); + ImGui::TreePop(); + ImGui::Separator(); + } + + if (ImGui::TreeNode("Style")) + { + HelpMarker("The same contents can be accessed in 'Tools->Style Editor' or by calling the ShowStyleEditor() function."); + ImGui::ShowStyleEditor(); + ImGui::TreePop(); + ImGui::Separator(); + } + + if (ImGui::TreeNode("Capture/Logging")) + { + ImGui::TextWrapped("The logging API redirects all text output so you can easily capture the content of a window or a block. Tree nodes can be automatically expanded."); + HelpMarker("Try opening any of the contents below in this window and then click one of the \"Log To\" button."); + ImGui::LogButtons(); + ImGui::TextWrapped("You can also call ImGui::LogText() to output directly to the log without a visual output."); + if (ImGui::Button("Copy \"Hello, world!\" to clipboard")) + { + ImGui::LogToClipboard(); + ImGui::LogText("Hello, world!"); + ImGui::LogFinish(); + } + ImGui::TreePop(); + } + } + + if (ImGui::CollapsingHeader("Window options")) + { + ImGui::Checkbox("No titlebar", &no_titlebar); ImGui::SameLine(150); + ImGui::Checkbox("No scrollbar", &no_scrollbar); ImGui::SameLine(300); + ImGui::Checkbox("No menu", &no_menu); + ImGui::Checkbox("No move", &no_move); ImGui::SameLine(150); + ImGui::Checkbox("No resize", &no_resize); ImGui::SameLine(300); + ImGui::Checkbox("No collapse", &no_collapse); + ImGui::Checkbox("No close", &no_close); ImGui::SameLine(150); + ImGui::Checkbox("No nav", &no_nav); ImGui::SameLine(300); + ImGui::Checkbox("No background", &no_background); + ImGui::Checkbox("No bring to front", &no_bring_to_front); + } + + // All demo contents + ShowDemoWindowWidgets(); + ShowDemoWindowLayout(); + ShowDemoWindowPopups(); + ShowDemoWindowColumns(); + ShowDemoWindowMisc(); + + // End of ShowDemoWindow() + ImGui::End(); +} + +static void ShowDemoWindowWidgets() +{ + if (!ImGui::CollapsingHeader("Widgets")) + return; + + if (ImGui::TreeNode("Basic")) + { + static int clicked = 0; + if (ImGui::Button("Button")) + clicked++; + if (clicked & 1) + { + ImGui::SameLine(); + ImGui::Text("Thanks for clicking me!"); + } + + static bool check = true; + ImGui::Checkbox("checkbox", &check); + + static int e = 0; + ImGui::RadioButton("radio a", &e, 0); ImGui::SameLine(); + ImGui::RadioButton("radio b", &e, 1); ImGui::SameLine(); + ImGui::RadioButton("radio c", &e, 2); + + // Color buttons, demonstrate using PushID() to add unique identifier in the ID stack, and changing style. + for (int i = 0; i < 7; i++) + { + if (i > 0) + ImGui::SameLine(); + ImGui::PushID(i); + ImGui::PushStyleColor(ImGuiCol_Button, (ImVec4)ImColor::HSV(i/7.0f, 0.6f, 0.6f)); + ImGui::PushStyleColor(ImGuiCol_ButtonHovered, (ImVec4)ImColor::HSV(i/7.0f, 0.7f, 0.7f)); + ImGui::PushStyleColor(ImGuiCol_ButtonActive, (ImVec4)ImColor::HSV(i/7.0f, 0.8f, 0.8f)); + ImGui::Button("Click"); + ImGui::PopStyleColor(3); + ImGui::PopID(); + } + + // Use AlignTextToFramePadding() to align text baseline to the baseline of framed elements (otherwise a Text+SameLine+Button sequence will have the text a little too high by default) + ImGui::AlignTextToFramePadding(); + ImGui::Text("Hold to repeat:"); + ImGui::SameLine(); + + // Arrow buttons with Repeater + static int counter = 0; + float spacing = ImGui::GetStyle().ItemInnerSpacing.x; + ImGui::PushButtonRepeat(true); + if (ImGui::ArrowButton("##left", ImGuiDir_Left)) { counter--; } + ImGui::SameLine(0.0f, spacing); + if (ImGui::ArrowButton("##right", ImGuiDir_Right)) { counter++; } + ImGui::PopButtonRepeat(); + ImGui::SameLine(); + ImGui::Text("%d", counter); + + ImGui::Text("Hover over me"); + if (ImGui::IsItemHovered()) + ImGui::SetTooltip("I am a tooltip"); + + ImGui::SameLine(); + ImGui::Text("- or me"); + if (ImGui::IsItemHovered()) + { + ImGui::BeginTooltip(); + ImGui::Text("I am a fancy tooltip"); + static float arr[] = { 0.6f, 0.1f, 1.0f, 0.5f, 0.92f, 0.1f, 0.2f }; + ImGui::PlotLines("Curve", arr, IM_ARRAYSIZE(arr)); + ImGui::EndTooltip(); + } + + ImGui::Separator(); + + ImGui::LabelText("label", "Value"); + + { + // Using the _simplified_ one-liner Combo() api here + // See "Combo" section for examples of how to use the more complete BeginCombo()/EndCombo() api. + const char* items[] = { "AAAA", "BBBB", "CCCC", "DDDD", "EEEE", "FFFF", "GGGG", "HHHH", "IIII", "JJJJ", "KKKK", "LLLLLLL", "MMMM", "OOOOOOO" }; + static int item_current = 0; + ImGui::Combo("combo", &item_current, items, IM_ARRAYSIZE(items)); + ImGui::SameLine(); HelpMarker("Refer to the \"Combo\" section below for an explanation of the full BeginCombo/EndCombo API, and demonstration of various flags.\n"); + } + + { + // To wire InputText() with std::string or any other custom string type, + // see the "Text Input > Resize Callback" section of this demo, and the misc/cpp/imgui_stdlib.h file. + static char str0[128] = "Hello, world!"; + ImGui::InputText("input text", str0, IM_ARRAYSIZE(str0)); + ImGui::SameLine(); HelpMarker("USER:\nHold SHIFT or use mouse to select text.\n" "CTRL+Left/Right to word jump.\n" "CTRL+A or double-click to select all.\n" "CTRL+X,CTRL+C,CTRL+V clipboard.\n" "CTRL+Z,CTRL+Y undo/redo.\n" "ESCAPE to revert.\n\nPROGRAMMER:\nYou can use the ImGuiInputTextFlags_CallbackResize facility if you need to wire InputText() to a dynamic string type. See misc/cpp/imgui_stdlib.h for an example (this is not demonstrated in imgui_demo.cpp)."); + + static char str1[128] = ""; + ImGui::InputTextWithHint("input text (w/ hint)", "enter text here", str1, IM_ARRAYSIZE(str1)); + + static int i0 = 123; + ImGui::InputInt("input int", &i0); + ImGui::SameLine(); HelpMarker("You can apply arithmetic operators +,*,/ on numerical values.\n e.g. [ 100 ], input \'*2\', result becomes [ 200 ]\nUse +- to subtract.\n"); + + static float f0 = 0.001f; + ImGui::InputFloat("input float", &f0, 0.01f, 1.0f, "%.3f"); + + static double d0 = 999999.00000001; + ImGui::InputDouble("input double", &d0, 0.01f, 1.0f, "%.8f"); + + static float f1 = 1.e10f; + ImGui::InputFloat("input scientific", &f1, 0.0f, 0.0f, "%e"); + ImGui::SameLine(); HelpMarker("You can input value using the scientific notation,\n e.g. \"1e+8\" becomes \"100000000\".\n"); + + static float vec4a[4] = { 0.10f, 0.20f, 0.30f, 0.44f }; + ImGui::InputFloat3("input float3", vec4a); + } + + { + static int i1 = 50, i2 = 42; + ImGui::DragInt("drag int", &i1, 1); + ImGui::SameLine(); HelpMarker("Click and drag to edit value.\nHold SHIFT/ALT for faster/slower edit.\nDouble-click or CTRL+click to input value."); + + ImGui::DragInt("drag int 0..100", &i2, 1, 0, 100, "%d%%"); + + static float f1=1.00f, f2=0.0067f; + ImGui::DragFloat("drag float", &f1, 0.005f); + ImGui::DragFloat("drag small float", &f2, 0.0001f, 0.0f, 0.0f, "%.06f ns"); + } + + { + static int i1=0; + ImGui::SliderInt("slider int", &i1, -1, 3); + ImGui::SameLine(); HelpMarker("CTRL+click to input value."); + + static float f1=0.123f, f2=0.0f; + ImGui::SliderFloat("slider float", &f1, 0.0f, 1.0f, "ratio = %.3f"); + ImGui::SliderFloat("slider float (curve)", &f2, -10.0f, 10.0f, "%.4f", 2.0f); + + static float angle = 0.0f; + ImGui::SliderAngle("slider angle", &angle); + + // Using the format string to display a name instead of an integer. + // Here we completely omit '%d' from the format string, so it'll only display a name. + // This technique can also be used with DragInt(). + enum Element { Element_Fire, Element_Earth, Element_Air, Element_Water, Element_COUNT }; + const char* element_names[Element_COUNT] = { "Fire", "Earth", "Air", "Water" }; + static int current_element = Element_Fire; + const char* current_element_name = (current_element >= 0 && current_element < Element_COUNT) ? element_names[current_element] : "Unknown"; + ImGui::SliderInt("slider enum", ¤t_element, 0, Element_COUNT - 1, current_element_name); + ImGui::SameLine(); HelpMarker("Using the format string parameter to display a name instead of the underlying integer."); + } + + { + static float col1[3] = { 1.0f,0.0f,0.2f }; + static float col2[4] = { 0.4f,0.7f,0.0f,0.5f }; + ImGui::ColorEdit3("color 1", col1); + ImGui::SameLine(); HelpMarker("Click on the colored square to open a color picker.\nClick and hold to use drag and drop.\nRight-click on the colored square to show options.\nCTRL+click on individual component to input value.\n"); + + ImGui::ColorEdit4("color 2", col2); + } + + { + // List box + const char* listbox_items[] = { "Apple", "Banana", "Cherry", "Kiwi", "Mango", "Orange", "Pineapple", "Strawberry", "Watermelon" }; + static int listbox_item_current = 1; + ImGui::ListBox("listbox\n(single select)", &listbox_item_current, listbox_items, IM_ARRAYSIZE(listbox_items), 4); + + //static int listbox_item_current2 = 2; + //ImGui::SetNextItemWidth(-1); + //ImGui::ListBox("##listbox2", &listbox_item_current2, listbox_items, IM_ARRAYSIZE(listbox_items), 4); + } + + ImGui::TreePop(); + } + + // Testing ImGuiOnceUponAFrame helper. + //static ImGuiOnceUponAFrame once; + //for (int i = 0; i < 5; i++) + // if (once) + // ImGui::Text("This will be displayed only once."); + + if (ImGui::TreeNode("Trees")) + { + if (ImGui::TreeNode("Basic trees")) + { + for (int i = 0; i < 5; i++) + { + // Use SetNextItemOpen() so set the default state of a node to be open. + // We could also use TreeNodeEx() with the ImGuiTreeNodeFlags_DefaultOpen flag to achieve the same thing! + if (i == 0) + ImGui::SetNextItemOpen(true, ImGuiCond_Once); + + if (ImGui::TreeNode((void*)(intptr_t)i, "Child %d", i)) + { + ImGui::Text("blah blah"); + ImGui::SameLine(); + if (ImGui::SmallButton("button")) {} + ImGui::TreePop(); + } + } + ImGui::TreePop(); + } + + if (ImGui::TreeNode("Advanced, with Selectable nodes")) + { + HelpMarker("This is a more typical looking tree with selectable nodes.\nClick to select, CTRL+Click to toggle, click on arrows or double-click to open."); + static ImGuiTreeNodeFlags base_flags = ImGuiTreeNodeFlags_OpenOnArrow | ImGuiTreeNodeFlags_OpenOnDoubleClick | ImGuiTreeNodeFlags_SpanAvailWidth; + static bool align_label_with_current_x_position = false; + ImGui::CheckboxFlags("ImGuiTreeNodeFlags_OpenOnArrow", (unsigned int*)&base_flags, ImGuiTreeNodeFlags_OpenOnArrow); + ImGui::CheckboxFlags("ImGuiTreeNodeFlags_OpenOnDoubleClick", (unsigned int*)&base_flags, ImGuiTreeNodeFlags_OpenOnDoubleClick); + ImGui::CheckboxFlags("ImGuiTreeNodeFlags_SpanAvailWidth", (unsigned int*)&base_flags, ImGuiTreeNodeFlags_SpanAvailWidth); + ImGui::CheckboxFlags("ImGuiTreeNodeFlags_SpanFullWidth", (unsigned int*)&base_flags, ImGuiTreeNodeFlags_SpanFullWidth); + ImGui::Checkbox("Align label with current X position)", &align_label_with_current_x_position); + ImGui::Text("Hello!"); + if (align_label_with_current_x_position) + ImGui::Unindent(ImGui::GetTreeNodeToLabelSpacing()); + + static int selection_mask = (1 << 2); // Dumb representation of what may be user-side selection state. You may carry selection state inside or outside your objects in whatever format you see fit. + int node_clicked = -1; // Temporary storage of what node we have clicked to process selection at the end of the loop. May be a pointer to your own node type, etc. + for (int i = 0; i < 6; i++) + { + // Disable the default open on single-click behavior and pass in Selected flag according to our selection state. + ImGuiTreeNodeFlags node_flags = base_flags; + const bool is_selected = (selection_mask & (1 << i)) != 0; + if (is_selected) + node_flags |= ImGuiTreeNodeFlags_Selected; + if (i < 3) + { + // Items 0..2 are Tree Node + bool node_open = ImGui::TreeNodeEx((void*)(intptr_t)i, node_flags, "Selectable Node %d", i); + if (ImGui::IsItemClicked()) + node_clicked = i; + if (node_open) + { + ImGui::BulletText("Blah blah\nBlah Blah"); + ImGui::TreePop(); + } + } + else + { + // Items 3..5 are Tree Leaves + // The only reason we use TreeNode at all is to allow selection of the leaf. + // Otherwise we can use BulletText() or advance the cursor by GetTreeNodeToLabelSpacing() and call Text(). + node_flags |= ImGuiTreeNodeFlags_Leaf | ImGuiTreeNodeFlags_NoTreePushOnOpen; // ImGuiTreeNodeFlags_Bullet + ImGui::TreeNodeEx((void*)(intptr_t)i, node_flags, "Selectable Leaf %d", i); + if (ImGui::IsItemClicked()) + node_clicked = i; + } + } + if (node_clicked != -1) + { + // Update selection state. Process outside of tree loop to avoid visual inconsistencies during the clicking-frame. + if (ImGui::GetIO().KeyCtrl) + selection_mask ^= (1 << node_clicked); // CTRL+click to toggle + else //if (!(selection_mask & (1 << node_clicked))) // Depending on selection behavior you want, this commented bit preserve selection when clicking on item that is part of the selection + selection_mask = (1 << node_clicked); // Click to single-select + } + if (align_label_with_current_x_position) + ImGui::Indent(ImGui::GetTreeNodeToLabelSpacing()); + ImGui::TreePop(); + } + ImGui::TreePop(); + } + + if (ImGui::TreeNode("Collapsing Headers")) + { + static bool closable_group = true; + ImGui::Checkbox("Show 2nd header", &closable_group); + if (ImGui::CollapsingHeader("Header", ImGuiTreeNodeFlags_None)) + { + ImGui::Text("IsItemHovered: %d", ImGui::IsItemHovered()); + for (int i = 0; i < 5; i++) + ImGui::Text("Some content %d", i); + } + if (ImGui::CollapsingHeader("Header with a close button", &closable_group)) + { + ImGui::Text("IsItemHovered: %d", ImGui::IsItemHovered()); + for (int i = 0; i < 5; i++) + ImGui::Text("More content %d", i); + } + /* + if (ImGui::CollapsingHeader("Header with a bullet", ImGuiTreeNodeFlags_Bullet)) + ImGui::Text("IsItemHovered: %d", ImGui::IsItemHovered()); + */ + ImGui::TreePop(); + } + + if (ImGui::TreeNode("Bullets")) + { + ImGui::BulletText("Bullet point 1"); + ImGui::BulletText("Bullet point 2\nOn multiple lines"); + if (ImGui::TreeNode("Tree node")) + { + ImGui::BulletText("Another bullet point"); + ImGui::TreePop(); + } + ImGui::Bullet(); ImGui::Text("Bullet point 3 (two calls)"); + ImGui::Bullet(); ImGui::SmallButton("Button"); + ImGui::TreePop(); + } + + if (ImGui::TreeNode("Text")) + { + if (ImGui::TreeNode("Colored Text")) + { + // Using shortcut. You can use PushStyleColor()/PopStyleColor() for more flexibility. + ImGui::TextColored(ImVec4(1.0f,0.0f,1.0f,1.0f), "Pink"); + ImGui::TextColored(ImVec4(1.0f,1.0f,0.0f,1.0f), "Yellow"); + ImGui::TextDisabled("Disabled"); + ImGui::SameLine(); HelpMarker("The TextDisabled color is stored in ImGuiStyle."); + ImGui::TreePop(); + } + + if (ImGui::TreeNode("Word Wrapping")) + { + // Using shortcut. You can use PushTextWrapPos()/PopTextWrapPos() for more flexibility. + ImGui::TextWrapped("This text should automatically wrap on the edge of the window. The current implementation for text wrapping follows simple rules suitable for English and possibly other languages."); + ImGui::Spacing(); + + static float wrap_width = 200.0f; + ImGui::SliderFloat("Wrap width", &wrap_width, -20, 600, "%.0f"); + + ImGui::Text("Test paragraph 1:"); + ImVec2 pos = ImGui::GetCursorScreenPos(); + ImGui::GetWindowDrawList()->AddRectFilled(ImVec2(pos.x + wrap_width, pos.y), ImVec2(pos.x + wrap_width + 10, pos.y + ImGui::GetTextLineHeight()), IM_COL32(255,0,255,255)); + ImGui::PushTextWrapPos(ImGui::GetCursorPos().x + wrap_width); + ImGui::Text("The lazy dog is a good dog. This paragraph is made to fit within %.0f pixels. Testing a 1 character word. The quick brown fox jumps over the lazy dog.", wrap_width); + ImGui::GetWindowDrawList()->AddRect(ImGui::GetItemRectMin(), ImGui::GetItemRectMax(), IM_COL32(255,255,0,255)); + ImGui::PopTextWrapPos(); + + ImGui::Text("Test paragraph 2:"); + pos = ImGui::GetCursorScreenPos(); + ImGui::GetWindowDrawList()->AddRectFilled(ImVec2(pos.x + wrap_width, pos.y), ImVec2(pos.x + wrap_width + 10, pos.y + ImGui::GetTextLineHeight()), IM_COL32(255,0,255,255)); + ImGui::PushTextWrapPos(ImGui::GetCursorPos().x + wrap_width); + ImGui::Text("aaaaaaaa bbbbbbbb, c cccccccc,dddddddd. d eeeeeeee ffffffff. gggggggg!hhhhhhhh"); + ImGui::GetWindowDrawList()->AddRect(ImGui::GetItemRectMin(), ImGui::GetItemRectMax(), IM_COL32(255,255,0,255)); + ImGui::PopTextWrapPos(); + + ImGui::TreePop(); + } + + if (ImGui::TreeNode("UTF-8 Text")) + { + // UTF-8 test with Japanese characters + // (Needs a suitable font, try Noto, or Arial Unicode, or M+ fonts. Read docs/FONTS.txt for details.) + // - From C++11 you can use the u8"my text" syntax to encode literal strings as UTF-8 + // - For earlier compiler, you may be able to encode your sources as UTF-8 (e.g. Visual Studio save your file as 'UTF-8 without signature') + // - FOR THIS DEMO FILE ONLY, BECAUSE WE WANT TO SUPPORT OLD COMPILERS, WE ARE *NOT* INCLUDING RAW UTF-8 CHARACTERS IN THIS SOURCE FILE. + // Instead we are encoding a few strings with hexadecimal constants. Don't do this in your application! + // Please use u8"text in any language" in your application! + // Note that characters values are preserved even by InputText() if the font cannot be displayed, so you can safely copy & paste garbled characters into another application. + ImGui::TextWrapped("CJK text will only appears if the font was loaded with the appropriate CJK character ranges. Call io.Font->AddFontFromFileTTF() manually to load extra character ranges. Read docs/FONTS.txt for details."); + ImGui::Text("Hiragana: \xe3\x81\x8b\xe3\x81\x8d\xe3\x81\x8f\xe3\x81\x91\xe3\x81\x93 (kakikukeko)"); // Normally we would use u8"blah blah" with the proper characters directly in the string. + ImGui::Text("Kanjis: \xe6\x97\xa5\xe6\x9c\xac\xe8\xaa\x9e (nihongo)"); + static char buf[32] = "\xe6\x97\xa5\xe6\x9c\xac\xe8\xaa\x9e"; + //static char buf[32] = u8"NIHONGO"; // <- this is how you would write it with C++11, using real kanjis + ImGui::InputText("UTF-8 input", buf, IM_ARRAYSIZE(buf)); + ImGui::TreePop(); + } + ImGui::TreePop(); + } + + if (ImGui::TreeNode("Images")) + { + ImGuiIO& io = ImGui::GetIO(); + ImGui::TextWrapped("Below we are displaying the font texture (which is the only texture we have access to in this demo). Use the 'ImTextureID' type as storage to pass pointers or identifier to your own texture data. Hover the texture for a zoomed view!"); + + // Here we are grabbing the font texture because that's the only one we have access to inside the demo code. + // Remember that ImTextureID is just storage for whatever you want it to be, it is essentially a value that will be passed to the render function inside the ImDrawCmd structure. + // If you use one of the default imgui_impl_XXXX.cpp renderer, they all have comments at the top of their file to specify what they expect to be stored in ImTextureID. + // (for example, the imgui_impl_dx11.cpp renderer expect a 'ID3D11ShaderResourceView*' pointer. The imgui_impl_opengl3.cpp renderer expect a GLuint OpenGL texture identifier etc.) + // If you decided that ImTextureID = MyEngineTexture*, then you can pass your MyEngineTexture* pointers to ImGui::Image(), and gather width/height through your own functions, etc. + // Using ShowMetricsWindow() as a "debugger" to inspect the draw data that are being passed to your render will help you debug issues if you are confused about this. + // Consider using the lower-level ImDrawList::AddImage() API, via ImGui::GetWindowDrawList()->AddImage(). + ImTextureID my_tex_id = io.Fonts->TexID; + float my_tex_w = (float)io.Fonts->TexWidth; + float my_tex_h = (float)io.Fonts->TexHeight; + + ImGui::Text("%.0fx%.0f", my_tex_w, my_tex_h); + ImVec2 pos = ImGui::GetCursorScreenPos(); + ImGui::Image(my_tex_id, ImVec2(my_tex_w, my_tex_h), ImVec2(0,0), ImVec2(1,1), ImVec4(1.0f,1.0f,1.0f,1.0f), ImVec4(1.0f,1.0f,1.0f,0.5f)); + if (ImGui::IsItemHovered()) + { + ImGui::BeginTooltip(); + float region_sz = 32.0f; + float region_x = io.MousePos.x - pos.x - region_sz * 0.5f; if (region_x < 0.0f) region_x = 0.0f; else if (region_x > my_tex_w - region_sz) region_x = my_tex_w - region_sz; + float region_y = io.MousePos.y - pos.y - region_sz * 0.5f; if (region_y < 0.0f) region_y = 0.0f; else if (region_y > my_tex_h - region_sz) region_y = my_tex_h - region_sz; + float zoom = 4.0f; + ImGui::Text("Min: (%.2f, %.2f)", region_x, region_y); + ImGui::Text("Max: (%.2f, %.2f)", region_x + region_sz, region_y + region_sz); + ImVec2 uv0 = ImVec2((region_x) / my_tex_w, (region_y) / my_tex_h); + ImVec2 uv1 = ImVec2((region_x + region_sz) / my_tex_w, (region_y + region_sz) / my_tex_h); + ImGui::Image(my_tex_id, ImVec2(region_sz * zoom, region_sz * zoom), uv0, uv1, ImVec4(1.0f, 1.0f, 1.0f, 1.0f), ImVec4(1.0f, 1.0f, 1.0f, 0.5f)); + ImGui::EndTooltip(); + } + ImGui::TextWrapped("And now some textured buttons.."); + static int pressed_count = 0; + for (int i = 0; i < 8; i++) + { + ImGui::PushID(i); + int frame_padding = -1 + i; // -1 = uses default padding + if (ImGui::ImageButton(my_tex_id, ImVec2(32,32), ImVec2(0,0), ImVec2(32.0f/my_tex_w,32/my_tex_h), frame_padding, ImVec4(0.0f,0.0f,0.0f,1.0f))) + pressed_count += 1; + ImGui::PopID(); + ImGui::SameLine(); + } + ImGui::NewLine(); + ImGui::Text("Pressed %d times.", pressed_count); + ImGui::TreePop(); + } + + if (ImGui::TreeNode("Combo")) + { + // Expose flags as checkbox for the demo + static ImGuiComboFlags flags = 0; + ImGui::CheckboxFlags("ImGuiComboFlags_PopupAlignLeft", (unsigned int*)&flags, ImGuiComboFlags_PopupAlignLeft); + ImGui::SameLine(); HelpMarker("Only makes a difference if the popup is larger than the combo"); + if (ImGui::CheckboxFlags("ImGuiComboFlags_NoArrowButton", (unsigned int*)&flags, ImGuiComboFlags_NoArrowButton)) + flags &= ~ImGuiComboFlags_NoPreview; // Clear the other flag, as we cannot combine both + if (ImGui::CheckboxFlags("ImGuiComboFlags_NoPreview", (unsigned int*)&flags, ImGuiComboFlags_NoPreview)) + flags &= ~ImGuiComboFlags_NoArrowButton; // Clear the other flag, as we cannot combine both + + // General BeginCombo() API, you have full control over your selection data and display type. + // (your selection data could be an index, a pointer to the object, an id for the object, a flag stored in the object itself, etc.) + const char* items[] = { "AAAA", "BBBB", "CCCC", "DDDD", "EEEE", "FFFF", "GGGG", "HHHH", "IIII", "JJJJ", "KKKK", "LLLLLLL", "MMMM", "OOOOOOO" }; + static const char* item_current = items[0]; // Here our selection is a single pointer stored outside the object. + if (ImGui::BeginCombo("combo 1", item_current, flags)) // The second parameter is the label previewed before opening the combo. + { + for (int n = 0; n < IM_ARRAYSIZE(items); n++) + { + bool is_selected = (item_current == items[n]); + if (ImGui::Selectable(items[n], is_selected)) + item_current = items[n]; + if (is_selected) + ImGui::SetItemDefaultFocus(); // Set the initial focus when opening the combo (scrolling + for keyboard navigation support in the upcoming navigation branch) + } + ImGui::EndCombo(); + } + + // Simplified one-liner Combo() API, using values packed in a single constant string + static int item_current_2 = 0; + ImGui::Combo("combo 2 (one-liner)", &item_current_2, "aaaa\0bbbb\0cccc\0dddd\0eeee\0\0"); + + // Simplified one-liner Combo() using an array of const char* + static int item_current_3 = -1; // If the selection isn't within 0..count, Combo won't display a preview + ImGui::Combo("combo 3 (array)", &item_current_3, items, IM_ARRAYSIZE(items)); + + // Simplified one-liner Combo() using an accessor function + struct FuncHolder { static bool ItemGetter(void* data, int idx, const char** out_str) { *out_str = ((const char**)data)[idx]; return true; } }; + static int item_current_4 = 0; + ImGui::Combo("combo 4 (function)", &item_current_4, &FuncHolder::ItemGetter, items, IM_ARRAYSIZE(items)); + + ImGui::TreePop(); + } + + if (ImGui::TreeNode("Selectables")) + { + // Selectable() has 2 overloads: + // - The one taking "bool selected" as a read-only selection information. When Selectable() has been clicked is returns true and you can alter selection state accordingly. + // - The one taking "bool* p_selected" as a read-write selection information (convenient in some cases) + // The earlier is more flexible, as in real application your selection may be stored in a different manner (in flags within objects, as an external list, etc). + if (ImGui::TreeNode("Basic")) + { + static bool selection[5] = { false, true, false, false, false }; + ImGui::Selectable("1. I am selectable", &selection[0]); + ImGui::Selectable("2. I am selectable", &selection[1]); + ImGui::Text("3. I am not selectable"); + ImGui::Selectable("4. I am selectable", &selection[3]); + if (ImGui::Selectable("5. I am double clickable", selection[4], ImGuiSelectableFlags_AllowDoubleClick)) + if (ImGui::IsMouseDoubleClicked(0)) + selection[4] = !selection[4]; + ImGui::TreePop(); + } + if (ImGui::TreeNode("Selection State: Single Selection")) + { + static int selected = -1; + for (int n = 0; n < 5; n++) + { + char buf[32]; + sprintf(buf, "Object %d", n); + if (ImGui::Selectable(buf, selected == n)) + selected = n; + } + ImGui::TreePop(); + } + if (ImGui::TreeNode("Selection State: Multiple Selection")) + { + HelpMarker("Hold CTRL and click to select multiple items."); + static bool selection[5] = { false, false, false, false, false }; + for (int n = 0; n < 5; n++) + { + char buf[32]; + sprintf(buf, "Object %d", n); + if (ImGui::Selectable(buf, selection[n])) + { + if (!ImGui::GetIO().KeyCtrl) // Clear selection when CTRL is not held + memset(selection, 0, sizeof(selection)); + selection[n] ^= 1; + } + } + ImGui::TreePop(); + } + if (ImGui::TreeNode("Rendering more text into the same line")) + { + // Using the Selectable() override that takes "bool* p_selected" parameter and toggle your booleans automatically. + static bool selected[3] = { false, false, false }; + ImGui::Selectable("main.c", &selected[0]); ImGui::SameLine(300); ImGui::Text(" 2,345 bytes"); + ImGui::Selectable("Hello.cpp", &selected[1]); ImGui::SameLine(300); ImGui::Text("12,345 bytes"); + ImGui::Selectable("Hello.h", &selected[2]); ImGui::SameLine(300); ImGui::Text(" 2,345 bytes"); + ImGui::TreePop(); + } + if (ImGui::TreeNode("In columns")) + { + ImGui::Columns(3, NULL, false); + static bool selected[16] = {}; + for (int i = 0; i < 16; i++) + { + char label[32]; sprintf(label, "Item %d", i); + if (ImGui::Selectable(label, &selected[i])) {} + ImGui::NextColumn(); + } + ImGui::Columns(1); + ImGui::TreePop(); + } + if (ImGui::TreeNode("Grid")) + { + static bool selected[4*4] = { true, false, false, false, false, true, false, false, false, false, true, false, false, false, false, true }; + for (int i = 0; i < 4*4; i++) + { + ImGui::PushID(i); + if (ImGui::Selectable("Sailor", &selected[i], 0, ImVec2(50,50))) + { + // Note: We _unnecessarily_ test for both x/y and i here only to silence some static analyzer. The second part of each test is unnecessary. + int x = i % 4; + int y = i / 4; + if (x > 0) { selected[i - 1] ^= 1; } + if (x < 3 && i < 15) { selected[i + 1] ^= 1; } + if (y > 0 && i > 3) { selected[i - 4] ^= 1; } + if (y < 3 && i < 12) { selected[i + 4] ^= 1; } + } + if ((i % 4) < 3) ImGui::SameLine(); + ImGui::PopID(); + } + ImGui::TreePop(); + } + if (ImGui::TreeNode("Alignment")) + { + HelpMarker("Alignment applies when a selectable is larger than its text content.\nBy default, Selectables uses style.SelectableTextAlign but it can be overriden on a per-item basis using PushStyleVar()."); + static bool selected[3*3] = { true, false, true, false, true, false, true, false, true }; + for (int y = 0; y < 3; y++) + { + for (int x = 0; x < 3; x++) + { + ImVec2 alignment = ImVec2((float)x / 2.0f, (float)y / 2.0f); + char name[32]; + sprintf(name, "(%.1f,%.1f)", alignment.x, alignment.y); + if (x > 0) ImGui::SameLine(); + ImGui::PushStyleVar(ImGuiStyleVar_SelectableTextAlign, alignment); + ImGui::Selectable(name, &selected[3*y+x], ImGuiSelectableFlags_None, ImVec2(80,80)); + ImGui::PopStyleVar(); + } + } + ImGui::TreePop(); + } + ImGui::TreePop(); + } + + // To wire InputText() with std::string or any other custom string type, + // see the "Text Input > Resize Callback" section of this demo, and the misc/cpp/imgui_stdlib.h file. + if (ImGui::TreeNode("Text Input")) + { + if (ImGui::TreeNode("Multi-line Text Input")) + { + // Note: we are using a fixed-sized buffer for simplicity here. See ImGuiInputTextFlags_CallbackResize + // and the code in misc/cpp/imgui_stdlib.h for how to setup InputText() for dynamically resizing strings. + static char text[1024 * 16] = + "/*\n" + " The Pentium F00F bug, shorthand for F0 0F C7 C8,\n" + " the hexadecimal encoding of one offending instruction,\n" + " more formally, the invalid operand with locked CMPXCHG8B\n" + " instruction bug, is a design flaw in the majority of\n" + " Intel Pentium, Pentium MMX, and Pentium OverDrive\n" + " processors (all in the P5 microarchitecture).\n" + "*/\n\n" + "label:\n" + "\tlock cmpxchg8b eax\n"; + + static ImGuiInputTextFlags flags = ImGuiInputTextFlags_AllowTabInput; + HelpMarker("You can use the ImGuiInputTextFlags_CallbackResize facility if you need to wire InputTextMultiline() to a dynamic string type. See misc/cpp/imgui_stdlib.h for an example. (This is not demonstrated in imgui_demo.cpp because we don't want to include in here)"); + ImGui::CheckboxFlags("ImGuiInputTextFlags_ReadOnly", (unsigned int*)&flags, ImGuiInputTextFlags_ReadOnly); + ImGui::CheckboxFlags("ImGuiInputTextFlags_AllowTabInput", (unsigned int*)&flags, ImGuiInputTextFlags_AllowTabInput); + ImGui::CheckboxFlags("ImGuiInputTextFlags_CtrlEnterForNewLine", (unsigned int*)&flags, ImGuiInputTextFlags_CtrlEnterForNewLine); + ImGui::InputTextMultiline("##source", text, IM_ARRAYSIZE(text), ImVec2(-FLT_MIN, ImGui::GetTextLineHeight() * 16), flags); + ImGui::TreePop(); + } + + if (ImGui::TreeNode("Filtered Text Input")) + { + static char buf1[64] = ""; ImGui::InputText("default", buf1, 64); + static char buf2[64] = ""; ImGui::InputText("decimal", buf2, 64, ImGuiInputTextFlags_CharsDecimal); + static char buf3[64] = ""; ImGui::InputText("hexadecimal", buf3, 64, ImGuiInputTextFlags_CharsHexadecimal | ImGuiInputTextFlags_CharsUppercase); + static char buf4[64] = ""; ImGui::InputText("uppercase", buf4, 64, ImGuiInputTextFlags_CharsUppercase); + static char buf5[64] = ""; ImGui::InputText("no blank", buf5, 64, ImGuiInputTextFlags_CharsNoBlank); + struct TextFilters { static int FilterImGuiLetters(ImGuiInputTextCallbackData* data) { if (data->EventChar < 256 && strchr("imgui", (char)data->EventChar)) return 0; return 1; } }; + static char buf6[64] = ""; ImGui::InputText("\"imgui\" letters", buf6, 64, ImGuiInputTextFlags_CallbackCharFilter, TextFilters::FilterImGuiLetters); + + ImGui::Text("Password input"); + static char password[64] = "password123"; + ImGui::InputText("password", password, IM_ARRAYSIZE(password), ImGuiInputTextFlags_Password); + ImGui::SameLine(); HelpMarker("Display all characters as '*'.\nDisable clipboard cut and copy.\nDisable logging.\n"); + ImGui::InputTextWithHint("password (w/ hint)", "", password, IM_ARRAYSIZE(password), ImGuiInputTextFlags_Password); + ImGui::InputText("password (clear)", password, IM_ARRAYSIZE(password)); + ImGui::TreePop(); + } + + if (ImGui::TreeNode("Resize Callback")) + { + // To wire InputText() with std::string or any other custom string type, + // you can use the ImGuiInputTextFlags_CallbackResize flag + create a custom ImGui::InputText() wrapper using your prefered type. + // See misc/cpp/imgui_stdlib.h for an implementation of this using std::string. + HelpMarker("Demonstrate using ImGuiInputTextFlags_CallbackResize to wire your resizable string type to InputText().\n\nSee misc/cpp/imgui_stdlib.h for an implementation of this for std::string."); + struct Funcs + { + static int MyResizeCallback(ImGuiInputTextCallbackData* data) + { + if (data->EventFlag == ImGuiInputTextFlags_CallbackResize) + { + ImVector* my_str = (ImVector*)data->UserData; + IM_ASSERT(my_str->begin() == data->Buf); + my_str->resize(data->BufSize); // NB: On resizing calls, generally data->BufSize == data->BufTextLen + 1 + data->Buf = my_str->begin(); + } + return 0; + } + + // Tip: Because ImGui:: is a namespace you would typicall add your own function into the namespace in your own source files. + // For example, you may add a function called ImGui::InputText(const char* label, MyString* my_str). + static bool MyInputTextMultiline(const char* label, ImVector* my_str, const ImVec2& size = ImVec2(0, 0), ImGuiInputTextFlags flags = 0) + { + IM_ASSERT((flags & ImGuiInputTextFlags_CallbackResize) == 0); + return ImGui::InputTextMultiline(label, my_str->begin(), (size_t)my_str->size(), size, flags | ImGuiInputTextFlags_CallbackResize, Funcs::MyResizeCallback, (void*)my_str); + } + }; + + // For this demo we are using ImVector as a string container. + // Note that because we need to store a terminating zero character, our size/capacity are 1 more than usually reported by a typical string class. + static ImVector my_str; + if (my_str.empty()) + my_str.push_back(0); + Funcs::MyInputTextMultiline("##MyStr", &my_str, ImVec2(-FLT_MIN, ImGui::GetTextLineHeight() * 16)); + ImGui::Text("Data: %p\nSize: %d\nCapacity: %d", (void*)my_str.begin(), my_str.size(), my_str.capacity()); + ImGui::TreePop(); + } + + ImGui::TreePop(); + } + + // Plot/Graph widgets are currently fairly limited. + // Consider writing your own plotting widget, or using a third-party one (see "Wiki->Useful Widgets", or github.com/ocornut/imgui/issues/2747) + if (ImGui::TreeNode("Plots Widgets")) + { + static bool animate = true; + ImGui::Checkbox("Animate", &animate); + + static float arr[] = { 0.6f, 0.1f, 1.0f, 0.5f, 0.92f, 0.1f, 0.2f }; + ImGui::PlotLines("Frame Times", arr, IM_ARRAYSIZE(arr)); + + // Create a dummy array of contiguous float values to plot + // Tip: If your float aren't contiguous but part of a structure, you can pass a pointer to your first float and the sizeof() of your structure in the Stride parameter. + static float values[90] = {}; + static int values_offset = 0; + static double refresh_time = 0.0; + if (!animate || refresh_time == 0.0) + refresh_time = ImGui::GetTime(); + while (refresh_time < ImGui::GetTime()) // Create dummy data at fixed 60 hz rate for the demo + { + static float phase = 0.0f; + values[values_offset] = cosf(phase); + values_offset = (values_offset+1) % IM_ARRAYSIZE(values); + phase += 0.10f*values_offset; + refresh_time += 1.0f/60.0f; + } + + // Plots can display overlay texts + // (in this example, we will display an average value) + { + float average = 0.0f; + for (int n = 0; n < IM_ARRAYSIZE(values); n++) + average += values[n]; + average /= (float)IM_ARRAYSIZE(values); + char overlay[32]; + sprintf(overlay, "avg %f", average); + ImGui::PlotLines("Lines", values, IM_ARRAYSIZE(values), values_offset, overlay, -1.0f, 1.0f, ImVec2(0,80)); + } + ImGui::PlotHistogram("Histogram", arr, IM_ARRAYSIZE(arr), 0, NULL, 0.0f, 1.0f, ImVec2(0,80)); + + // Use functions to generate output + // FIXME: This is rather awkward because current plot API only pass in indices. We probably want an API passing floats and user provide sample rate/count. + struct Funcs + { + static float Sin(void*, int i) { return sinf(i * 0.1f); } + static float Saw(void*, int i) { return (i & 1) ? 1.0f : -1.0f; } + }; + static int func_type = 0, display_count = 70; + ImGui::Separator(); + ImGui::SetNextItemWidth(100); + ImGui::Combo("func", &func_type, "Sin\0Saw\0"); + ImGui::SameLine(); + ImGui::SliderInt("Sample count", &display_count, 1, 400); + float (*func)(void*, int) = (func_type == 0) ? Funcs::Sin : Funcs::Saw; + ImGui::PlotLines("Lines", func, NULL, display_count, 0, NULL, -1.0f, 1.0f, ImVec2(0,80)); + ImGui::PlotHistogram("Histogram", func, NULL, display_count, 0, NULL, -1.0f, 1.0f, ImVec2(0,80)); + ImGui::Separator(); + + // Animate a simple progress bar + static float progress = 0.0f, progress_dir = 1.0f; + if (animate) + { + progress += progress_dir * 0.4f * ImGui::GetIO().DeltaTime; + if (progress >= +1.1f) { progress = +1.1f; progress_dir *= -1.0f; } + if (progress <= -0.1f) { progress = -0.1f; progress_dir *= -1.0f; } + } + + // Typically we would use ImVec2(-1.0f,0.0f) or ImVec2(-FLT_MIN,0.0f) to use all available width, + // or ImVec2(width,0.0f) for a specified width. ImVec2(0.0f,0.0f) uses ItemWidth. + ImGui::ProgressBar(progress, ImVec2(0.0f,0.0f)); + ImGui::SameLine(0.0f, ImGui::GetStyle().ItemInnerSpacing.x); + ImGui::Text("Progress Bar"); + + float progress_saturated = (progress < 0.0f) ? 0.0f : (progress > 1.0f) ? 1.0f : progress; + char buf[32]; + sprintf(buf, "%d/%d", (int)(progress_saturated*1753), 1753); + ImGui::ProgressBar(progress, ImVec2(0.f,0.f), buf); + ImGui::TreePop(); + } + + if (ImGui::TreeNode("Color/Picker Widgets")) + { + static ImVec4 color = ImVec4(114.0f/255.0f, 144.0f/255.0f, 154.0f/255.0f, 200.0f/255.0f); + + static bool alpha_preview = true; + static bool alpha_half_preview = false; + static bool drag_and_drop = true; + static bool options_menu = true; + static bool hdr = false; + ImGui::Checkbox("With Alpha Preview", &alpha_preview); + ImGui::Checkbox("With Half Alpha Preview", &alpha_half_preview); + ImGui::Checkbox("With Drag and Drop", &drag_and_drop); + ImGui::Checkbox("With Options Menu", &options_menu); ImGui::SameLine(); HelpMarker("Right-click on the individual color widget to show options."); + ImGui::Checkbox("With HDR", &hdr); ImGui::SameLine(); HelpMarker("Currently all this does is to lift the 0..1 limits on dragging widgets."); + ImGuiColorEditFlags misc_flags = (hdr ? ImGuiColorEditFlags_HDR : 0) | (drag_and_drop ? 0 : ImGuiColorEditFlags_NoDragDrop) | (alpha_half_preview ? ImGuiColorEditFlags_AlphaPreviewHalf : (alpha_preview ? ImGuiColorEditFlags_AlphaPreview : 0)) | (options_menu ? 0 : ImGuiColorEditFlags_NoOptions); + + ImGui::Text("Color widget:"); + ImGui::SameLine(); HelpMarker("Click on the colored square to open a color picker.\nCTRL+click on individual component to input value.\n"); + ImGui::ColorEdit3("MyColor##1", (float*)&color, misc_flags); + + ImGui::Text("Color widget HSV with Alpha:"); + ImGui::ColorEdit4("MyColor##2", (float*)&color, ImGuiColorEditFlags_DisplayHSV | misc_flags); + + ImGui::Text("Color widget with Float Display:"); + ImGui::ColorEdit4("MyColor##2f", (float*)&color, ImGuiColorEditFlags_Float | misc_flags); + + ImGui::Text("Color button with Picker:"); + ImGui::SameLine(); HelpMarker("With the ImGuiColorEditFlags_NoInputs flag you can hide all the slider/text inputs.\nWith the ImGuiColorEditFlags_NoLabel flag you can pass a non-empty label which will only be used for the tooltip and picker popup."); + ImGui::ColorEdit4("MyColor##3", (float*)&color, ImGuiColorEditFlags_NoInputs | ImGuiColorEditFlags_NoLabel | misc_flags); + + ImGui::Text("Color button with Custom Picker Popup:"); + + // Generate a dummy default palette. The palette will persist and can be edited. + static bool saved_palette_init = true; + static ImVec4 saved_palette[32] = {}; + if (saved_palette_init) + { + for (int n = 0; n < IM_ARRAYSIZE(saved_palette); n++) + { + ImGui::ColorConvertHSVtoRGB(n / 31.0f, 0.8f, 0.8f, saved_palette[n].x, saved_palette[n].y, saved_palette[n].z); + saved_palette[n].w = 1.0f; // Alpha + } + saved_palette_init = false; + } + + static ImVec4 backup_color; + bool open_popup = ImGui::ColorButton("MyColor##3b", color, misc_flags); + ImGui::SameLine(0, ImGui::GetStyle().ItemInnerSpacing.x); + open_popup |= ImGui::Button("Palette"); + if (open_popup) + { + ImGui::OpenPopup("mypicker"); + backup_color = color; + } + if (ImGui::BeginPopup("mypicker")) + { + ImGui::Text("MY CUSTOM COLOR PICKER WITH AN AMAZING PALETTE!"); + ImGui::Separator(); + ImGui::ColorPicker4("##picker", (float*)&color, misc_flags | ImGuiColorEditFlags_NoSidePreview | ImGuiColorEditFlags_NoSmallPreview); + ImGui::SameLine(); + + ImGui::BeginGroup(); // Lock X position + ImGui::Text("Current"); + ImGui::ColorButton("##current", color, ImGuiColorEditFlags_NoPicker | ImGuiColorEditFlags_AlphaPreviewHalf, ImVec2(60,40)); + ImGui::Text("Previous"); + if (ImGui::ColorButton("##previous", backup_color, ImGuiColorEditFlags_NoPicker | ImGuiColorEditFlags_AlphaPreviewHalf, ImVec2(60,40))) + color = backup_color; + ImGui::Separator(); + ImGui::Text("Palette"); + for (int n = 0; n < IM_ARRAYSIZE(saved_palette); n++) + { + ImGui::PushID(n); + if ((n % 8) != 0) + ImGui::SameLine(0.0f, ImGui::GetStyle().ItemSpacing.y); + if (ImGui::ColorButton("##palette", saved_palette[n], ImGuiColorEditFlags_NoAlpha | ImGuiColorEditFlags_NoPicker | ImGuiColorEditFlags_NoTooltip, ImVec2(20,20))) + color = ImVec4(saved_palette[n].x, saved_palette[n].y, saved_palette[n].z, color.w); // Preserve alpha! + + // Allow user to drop colors into each palette entry + // (Note that ColorButton is already a drag source by default, unless using ImGuiColorEditFlags_NoDragDrop) + if (ImGui::BeginDragDropTarget()) + { + if (const ImGuiPayload* payload = ImGui::AcceptDragDropPayload(IMGUI_PAYLOAD_TYPE_COLOR_3F)) + memcpy((float*)&saved_palette[n], payload->Data, sizeof(float) * 3); + if (const ImGuiPayload* payload = ImGui::AcceptDragDropPayload(IMGUI_PAYLOAD_TYPE_COLOR_4F)) + memcpy((float*)&saved_palette[n], payload->Data, sizeof(float) * 4); + ImGui::EndDragDropTarget(); + } + + ImGui::PopID(); + } + ImGui::EndGroup(); + ImGui::EndPopup(); + } + + ImGui::Text("Color button only:"); + static bool no_border = false; + ImGui::Checkbox("ImGuiColorEditFlags_NoBorder", &no_border); + ImGui::ColorButton("MyColor##3c", *(ImVec4*)&color, misc_flags | (no_border ? ImGuiColorEditFlags_NoBorder : 0), ImVec2(80,80)); + + ImGui::Text("Color picker:"); + static bool alpha = true; + static bool alpha_bar = true; + static bool side_preview = true; + static bool ref_color = false; + static ImVec4 ref_color_v(1.0f,0.0f,1.0f,0.5f); + static int display_mode = 0; + static int picker_mode = 0; + ImGui::Checkbox("With Alpha", &alpha); + ImGui::Checkbox("With Alpha Bar", &alpha_bar); + ImGui::Checkbox("With Side Preview", &side_preview); + if (side_preview) + { + ImGui::SameLine(); + ImGui::Checkbox("With Ref Color", &ref_color); + if (ref_color) + { + ImGui::SameLine(); + ImGui::ColorEdit4("##RefColor", &ref_color_v.x, ImGuiColorEditFlags_NoInputs | misc_flags); + } + } + ImGui::Combo("Display Mode", &display_mode, "Auto/Current\0None\0RGB Only\0HSV Only\0Hex Only\0"); + ImGui::SameLine(); HelpMarker("ColorEdit defaults to displaying RGB inputs if you don't specify a display mode, but the user can change it with a right-click.\n\nColorPicker defaults to displaying RGB+HSV+Hex if you don't specify a display mode.\n\nYou can change the defaults using SetColorEditOptions()."); + ImGui::Combo("Picker Mode", &picker_mode, "Auto/Current\0Hue bar + SV rect\0Hue wheel + SV triangle\0"); + ImGui::SameLine(); HelpMarker("User can right-click the picker to change mode."); + ImGuiColorEditFlags flags = misc_flags; + if (!alpha) flags |= ImGuiColorEditFlags_NoAlpha; // This is by default if you call ColorPicker3() instead of ColorPicker4() + if (alpha_bar) flags |= ImGuiColorEditFlags_AlphaBar; + if (!side_preview) flags |= ImGuiColorEditFlags_NoSidePreview; + if (picker_mode == 1) flags |= ImGuiColorEditFlags_PickerHueBar; + if (picker_mode == 2) flags |= ImGuiColorEditFlags_PickerHueWheel; + if (display_mode == 1) flags |= ImGuiColorEditFlags_NoInputs; // Disable all RGB/HSV/Hex displays + if (display_mode == 2) flags |= ImGuiColorEditFlags_DisplayRGB; // Override display mode + if (display_mode == 3) flags |= ImGuiColorEditFlags_DisplayHSV; + if (display_mode == 4) flags |= ImGuiColorEditFlags_DisplayHex; + ImGui::ColorPicker4("MyColor##4", (float*)&color, flags, ref_color ? &ref_color_v.x : NULL); + + ImGui::Text("Programmatically set defaults:"); + ImGui::SameLine(); HelpMarker("SetColorEditOptions() is designed to allow you to set boot-time default.\nWe don't have Push/Pop functions because you can force options on a per-widget basis if needed, and the user can change non-forced ones with the options menu.\nWe don't have a getter to avoid encouraging you to persistently save values that aren't forward-compatible."); + if (ImGui::Button("Default: Uint8 + HSV + Hue Bar")) + ImGui::SetColorEditOptions(ImGuiColorEditFlags_Uint8 | ImGuiColorEditFlags_DisplayHSV | ImGuiColorEditFlags_PickerHueBar); + if (ImGui::Button("Default: Float + HDR + Hue Wheel")) + ImGui::SetColorEditOptions(ImGuiColorEditFlags_Float | ImGuiColorEditFlags_HDR | ImGuiColorEditFlags_PickerHueWheel); + + // HSV encoded support (to avoid RGB<>HSV round trips and singularities when S==0 or V==0) + static ImVec4 color_stored_as_hsv(0.23f, 1.0f, 1.0f, 1.0f); + ImGui::Spacing(); + ImGui::Text("HSV encoded colors"); + ImGui::SameLine(); HelpMarker("By default, colors are given to ColorEdit and ColorPicker in RGB, but ImGuiColorEditFlags_InputHSV allows you to store colors as HSV and pass them to ColorEdit and ColorPicker as HSV. This comes with the added benefit that you can manipulate hue values with the picker even when saturation or value are zero."); + ImGui::Text("Color widget with InputHSV:"); + ImGui::ColorEdit4("HSV shown as RGB##1", (float*)&color_stored_as_hsv, ImGuiColorEditFlags_DisplayRGB | ImGuiColorEditFlags_InputHSV | ImGuiColorEditFlags_Float); + ImGui::ColorEdit4("HSV shown as HSV##1", (float*)&color_stored_as_hsv, ImGuiColorEditFlags_DisplayHSV | ImGuiColorEditFlags_InputHSV | ImGuiColorEditFlags_Float); + ImGui::DragFloat4("Raw HSV values", (float*)&color_stored_as_hsv, 0.01f, 0.0f, 1.0f); + + ImGui::TreePop(); + } + + if (ImGui::TreeNode("Range Widgets")) + { + static float begin = 10, end = 90; + static int begin_i = 100, end_i = 1000; + ImGui::DragFloatRange2("range", &begin, &end, 0.25f, 0.0f, 100.0f, "Min: %.1f %%", "Max: %.1f %%"); + ImGui::DragIntRange2("range int (no bounds)", &begin_i, &end_i, 5, 0, 0, "Min: %d units", "Max: %d units"); + ImGui::TreePop(); + } + + if (ImGui::TreeNode("Data Types")) + { + // The DragScalar/InputScalar/SliderScalar functions allow various data types: signed/unsigned int/long long and float/double + // To avoid polluting the public API with all possible combinations, we use the ImGuiDataType enum to pass the type, + // and passing all arguments by address. + // This is the reason the test code below creates local variables to hold "zero" "one" etc. for each types. + // In practice, if you frequently use a given type that is not covered by the normal API entry points, you can wrap it + // yourself inside a 1 line function which can take typed argument as value instead of void*, and then pass their address + // to the generic function. For example: + // bool MySliderU64(const char *label, u64* value, u64 min = 0, u64 max = 0, const char* format = "%lld") + // { + // return SliderScalar(label, ImGuiDataType_U64, value, &min, &max, format); + // } + + // Limits (as helper variables that we can take the address of) + // Note that the SliderScalar function has a maximum usable range of half the natural type maximum, hence the /2 below. + #ifndef LLONG_MIN + ImS64 LLONG_MIN = -9223372036854775807LL - 1; + ImS64 LLONG_MAX = 9223372036854775807LL; + ImU64 ULLONG_MAX = (2ULL * 9223372036854775807LL + 1); + #endif + const char s8_zero = 0, s8_one = 1, s8_fifty = 50, s8_min = -128, s8_max = 127; + const ImU8 u8_zero = 0, u8_one = 1, u8_fifty = 50, u8_min = 0, u8_max = 255; + const short s16_zero = 0, s16_one = 1, s16_fifty = 50, s16_min = -32768, s16_max = 32767; + const ImU16 u16_zero = 0, u16_one = 1, u16_fifty = 50, u16_min = 0, u16_max = 65535; + const ImS32 s32_zero = 0, s32_one = 1, s32_fifty = 50, s32_min = INT_MIN/2, s32_max = INT_MAX/2, s32_hi_a = INT_MAX/2 - 100, s32_hi_b = INT_MAX/2; + const ImU32 u32_zero = 0, u32_one = 1, u32_fifty = 50, u32_min = 0, u32_max = UINT_MAX/2, u32_hi_a = UINT_MAX/2 - 100, u32_hi_b = UINT_MAX/2; + const ImS64 s64_zero = 0, s64_one = 1, s64_fifty = 50, s64_min = LLONG_MIN/2, s64_max = LLONG_MAX/2, s64_hi_a = LLONG_MAX/2 - 100, s64_hi_b = LLONG_MAX/2; + const ImU64 u64_zero = 0, u64_one = 1, u64_fifty = 50, u64_min = 0, u64_max = ULLONG_MAX/2, u64_hi_a = ULLONG_MAX/2 - 100, u64_hi_b = ULLONG_MAX/2; + const float f32_zero = 0.f, f32_one = 1.f, f32_lo_a = -10000000000.0f, f32_hi_a = +10000000000.0f; + const double f64_zero = 0., f64_one = 1., f64_lo_a = -1000000000000000.0, f64_hi_a = +1000000000000000.0; + + // State + static char s8_v = 127; + static ImU8 u8_v = 255; + static short s16_v = 32767; + static ImU16 u16_v = 65535; + static ImS32 s32_v = -1; + static ImU32 u32_v = (ImU32)-1; + static ImS64 s64_v = -1; + static ImU64 u64_v = (ImU64)-1; + static float f32_v = 0.123f; + static double f64_v = 90000.01234567890123456789; + + const float drag_speed = 0.2f; + static bool drag_clamp = false; + ImGui::Text("Drags:"); + ImGui::Checkbox("Clamp integers to 0..50", &drag_clamp); ImGui::SameLine(); HelpMarker("As with every widgets in dear imgui, we never modify values unless there is a user interaction.\nYou can override the clamping limits by using CTRL+Click to input a value."); + ImGui::DragScalar("drag s8", ImGuiDataType_S8, &s8_v, drag_speed, drag_clamp ? &s8_zero : NULL, drag_clamp ? &s8_fifty : NULL); + ImGui::DragScalar("drag u8", ImGuiDataType_U8, &u8_v, drag_speed, drag_clamp ? &u8_zero : NULL, drag_clamp ? &u8_fifty : NULL, "%u ms"); + ImGui::DragScalar("drag s16", ImGuiDataType_S16, &s16_v, drag_speed, drag_clamp ? &s16_zero : NULL, drag_clamp ? &s16_fifty : NULL); + ImGui::DragScalar("drag u16", ImGuiDataType_U16, &u16_v, drag_speed, drag_clamp ? &u16_zero : NULL, drag_clamp ? &u16_fifty : NULL, "%u ms"); + ImGui::DragScalar("drag s32", ImGuiDataType_S32, &s32_v, drag_speed, drag_clamp ? &s32_zero : NULL, drag_clamp ? &s32_fifty : NULL); + ImGui::DragScalar("drag u32", ImGuiDataType_U32, &u32_v, drag_speed, drag_clamp ? &u32_zero : NULL, drag_clamp ? &u32_fifty : NULL, "%u ms"); + ImGui::DragScalar("drag s64", ImGuiDataType_S64, &s64_v, drag_speed, drag_clamp ? &s64_zero : NULL, drag_clamp ? &s64_fifty : NULL); + ImGui::DragScalar("drag u64", ImGuiDataType_U64, &u64_v, drag_speed, drag_clamp ? &u64_zero : NULL, drag_clamp ? &u64_fifty : NULL); + ImGui::DragScalar("drag float", ImGuiDataType_Float, &f32_v, 0.005f, &f32_zero, &f32_one, "%f", 1.0f); + ImGui::DragScalar("drag float ^2", ImGuiDataType_Float, &f32_v, 0.005f, &f32_zero, &f32_one, "%f", 2.0f); ImGui::SameLine(); HelpMarker("You can use the 'power' parameter to increase tweaking precision on one side of the range."); + ImGui::DragScalar("drag double", ImGuiDataType_Double, &f64_v, 0.0005f, &f64_zero, NULL, "%.10f grams", 1.0f); + ImGui::DragScalar("drag double ^2", ImGuiDataType_Double, &f64_v, 0.0005f, &f64_zero, &f64_one, "0 < %.10f < 1", 2.0f); + + ImGui::Text("Sliders"); + ImGui::SliderScalar("slider s8 full", ImGuiDataType_S8, &s8_v, &s8_min, &s8_max, "%d"); + ImGui::SliderScalar("slider u8 full", ImGuiDataType_U8, &u8_v, &u8_min, &u8_max, "%u"); + ImGui::SliderScalar("slider s16 full", ImGuiDataType_S16, &s16_v, &s16_min, &s16_max, "%d"); + ImGui::SliderScalar("slider u16 full", ImGuiDataType_U16, &u16_v, &u16_min, &u16_max, "%u"); + ImGui::SliderScalar("slider s32 low", ImGuiDataType_S32, &s32_v, &s32_zero, &s32_fifty,"%d"); + ImGui::SliderScalar("slider s32 high", ImGuiDataType_S32, &s32_v, &s32_hi_a, &s32_hi_b, "%d"); + ImGui::SliderScalar("slider s32 full", ImGuiDataType_S32, &s32_v, &s32_min, &s32_max, "%d"); + ImGui::SliderScalar("slider u32 low", ImGuiDataType_U32, &u32_v, &u32_zero, &u32_fifty,"%u"); + ImGui::SliderScalar("slider u32 high", ImGuiDataType_U32, &u32_v, &u32_hi_a, &u32_hi_b, "%u"); + ImGui::SliderScalar("slider u32 full", ImGuiDataType_U32, &u32_v, &u32_min, &u32_max, "%u"); + ImGui::SliderScalar("slider s64 low", ImGuiDataType_S64, &s64_v, &s64_zero, &s64_fifty,"%I64d"); + ImGui::SliderScalar("slider s64 high", ImGuiDataType_S64, &s64_v, &s64_hi_a, &s64_hi_b, "%I64d"); + ImGui::SliderScalar("slider s64 full", ImGuiDataType_S64, &s64_v, &s64_min, &s64_max, "%I64d"); + ImGui::SliderScalar("slider u64 low", ImGuiDataType_U64, &u64_v, &u64_zero, &u64_fifty,"%I64u ms"); + ImGui::SliderScalar("slider u64 high", ImGuiDataType_U64, &u64_v, &u64_hi_a, &u64_hi_b, "%I64u ms"); + ImGui::SliderScalar("slider u64 full", ImGuiDataType_U64, &u64_v, &u64_min, &u64_max, "%I64u ms"); + ImGui::SliderScalar("slider float low", ImGuiDataType_Float, &f32_v, &f32_zero, &f32_one); + ImGui::SliderScalar("slider float low^2", ImGuiDataType_Float, &f32_v, &f32_zero, &f32_one, "%.10f", 2.0f); + ImGui::SliderScalar("slider float high", ImGuiDataType_Float, &f32_v, &f32_lo_a, &f32_hi_a, "%e"); + ImGui::SliderScalar("slider double low", ImGuiDataType_Double, &f64_v, &f64_zero, &f64_one, "%.10f grams", 1.0f); + ImGui::SliderScalar("slider double low^2",ImGuiDataType_Double, &f64_v, &f64_zero, &f64_one, "%.10f", 2.0f); + ImGui::SliderScalar("slider double high", ImGuiDataType_Double, &f64_v, &f64_lo_a, &f64_hi_a, "%e grams", 1.0f); + + static bool inputs_step = true; + ImGui::Text("Inputs"); + ImGui::Checkbox("Show step buttons", &inputs_step); + ImGui::InputScalar("input s8", ImGuiDataType_S8, &s8_v, inputs_step ? &s8_one : NULL, NULL, "%d"); + ImGui::InputScalar("input u8", ImGuiDataType_U8, &u8_v, inputs_step ? &u8_one : NULL, NULL, "%u"); + ImGui::InputScalar("input s16", ImGuiDataType_S16, &s16_v, inputs_step ? &s16_one : NULL, NULL, "%d"); + ImGui::InputScalar("input u16", ImGuiDataType_U16, &u16_v, inputs_step ? &u16_one : NULL, NULL, "%u"); + ImGui::InputScalar("input s32", ImGuiDataType_S32, &s32_v, inputs_step ? &s32_one : NULL, NULL, "%d"); + ImGui::InputScalar("input s32 hex", ImGuiDataType_S32, &s32_v, inputs_step ? &s32_one : NULL, NULL, "%08X", ImGuiInputTextFlags_CharsHexadecimal); + ImGui::InputScalar("input u32", ImGuiDataType_U32, &u32_v, inputs_step ? &u32_one : NULL, NULL, "%u"); + ImGui::InputScalar("input u32 hex", ImGuiDataType_U32, &u32_v, inputs_step ? &u32_one : NULL, NULL, "%08X", ImGuiInputTextFlags_CharsHexadecimal); + ImGui::InputScalar("input s64", ImGuiDataType_S64, &s64_v, inputs_step ? &s64_one : NULL); + ImGui::InputScalar("input u64", ImGuiDataType_U64, &u64_v, inputs_step ? &u64_one : NULL); + ImGui::InputScalar("input float", ImGuiDataType_Float, &f32_v, inputs_step ? &f32_one : NULL); + ImGui::InputScalar("input double", ImGuiDataType_Double, &f64_v, inputs_step ? &f64_one : NULL); + + ImGui::TreePop(); + } + + if (ImGui::TreeNode("Multi-component Widgets")) + { + static float vec4f[4] = { 0.10f, 0.20f, 0.30f, 0.44f }; + static int vec4i[4] = { 1, 5, 100, 255 }; + + ImGui::InputFloat2("input float2", vec4f); + ImGui::DragFloat2("drag float2", vec4f, 0.01f, 0.0f, 1.0f); + ImGui::SliderFloat2("slider float2", vec4f, 0.0f, 1.0f); + ImGui::InputInt2("input int2", vec4i); + ImGui::DragInt2("drag int2", vec4i, 1, 0, 255); + ImGui::SliderInt2("slider int2", vec4i, 0, 255); + ImGui::Spacing(); + + ImGui::InputFloat3("input float3", vec4f); + ImGui::DragFloat3("drag float3", vec4f, 0.01f, 0.0f, 1.0f); + ImGui::SliderFloat3("slider float3", vec4f, 0.0f, 1.0f); + ImGui::InputInt3("input int3", vec4i); + ImGui::DragInt3("drag int3", vec4i, 1, 0, 255); + ImGui::SliderInt3("slider int3", vec4i, 0, 255); + ImGui::Spacing(); + + ImGui::InputFloat4("input float4", vec4f); + ImGui::DragFloat4("drag float4", vec4f, 0.01f, 0.0f, 1.0f); + ImGui::SliderFloat4("slider float4", vec4f, 0.0f, 1.0f); + ImGui::InputInt4("input int4", vec4i); + ImGui::DragInt4("drag int4", vec4i, 1, 0, 255); + ImGui::SliderInt4("slider int4", vec4i, 0, 255); + + ImGui::TreePop(); + } + + if (ImGui::TreeNode("Vertical Sliders")) + { + const float spacing = 4; + ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(spacing, spacing)); + + static int int_value = 0; + ImGui::VSliderInt("##int", ImVec2(18,160), &int_value, 0, 5); + ImGui::SameLine(); + + static float values[7] = { 0.0f, 0.60f, 0.35f, 0.9f, 0.70f, 0.20f, 0.0f }; + ImGui::PushID("set1"); + for (int i = 0; i < 7; i++) + { + if (i > 0) ImGui::SameLine(); + ImGui::PushID(i); + ImGui::PushStyleColor(ImGuiCol_FrameBg, (ImVec4)ImColor::HSV(i/7.0f, 0.5f, 0.5f)); + ImGui::PushStyleColor(ImGuiCol_FrameBgHovered, (ImVec4)ImColor::HSV(i/7.0f, 0.6f, 0.5f)); + ImGui::PushStyleColor(ImGuiCol_FrameBgActive, (ImVec4)ImColor::HSV(i/7.0f, 0.7f, 0.5f)); + ImGui::PushStyleColor(ImGuiCol_SliderGrab, (ImVec4)ImColor::HSV(i/7.0f, 0.9f, 0.9f)); + ImGui::VSliderFloat("##v", ImVec2(18,160), &values[i], 0.0f, 1.0f, ""); + if (ImGui::IsItemActive() || ImGui::IsItemHovered()) + ImGui::SetTooltip("%.3f", values[i]); + ImGui::PopStyleColor(4); + ImGui::PopID(); + } + ImGui::PopID(); + + ImGui::SameLine(); + ImGui::PushID("set2"); + static float values2[4] = { 0.20f, 0.80f, 0.40f, 0.25f }; + const int rows = 3; + const ImVec2 small_slider_size(18, (float)(int)((160.0f - (rows - 1) * spacing) / rows)); + for (int nx = 0; nx < 4; nx++) + { + if (nx > 0) ImGui::SameLine(); + ImGui::BeginGroup(); + for (int ny = 0; ny < rows; ny++) + { + ImGui::PushID(nx*rows+ny); + ImGui::VSliderFloat("##v", small_slider_size, &values2[nx], 0.0f, 1.0f, ""); + if (ImGui::IsItemActive() || ImGui::IsItemHovered()) + ImGui::SetTooltip("%.3f", values2[nx]); + ImGui::PopID(); + } + ImGui::EndGroup(); + } + ImGui::PopID(); + + ImGui::SameLine(); + ImGui::PushID("set3"); + for (int i = 0; i < 4; i++) + { + if (i > 0) ImGui::SameLine(); + ImGui::PushID(i); + ImGui::PushStyleVar(ImGuiStyleVar_GrabMinSize, 40); + ImGui::VSliderFloat("##v", ImVec2(40,160), &values[i], 0.0f, 1.0f, "%.2f\nsec"); + ImGui::PopStyleVar(); + ImGui::PopID(); + } + ImGui::PopID(); + ImGui::PopStyleVar(); + ImGui::TreePop(); + } + + if (ImGui::TreeNode("Drag and Drop")) + { + if (ImGui::TreeNode("Drag and drop in standard widgets")) + { + // ColorEdit widgets automatically act as drag source and drag target. + // They are using standardized payload strings IMGUI_PAYLOAD_TYPE_COLOR_3F and IMGUI_PAYLOAD_TYPE_COLOR_4F to allow your own widgets + // to use colors in their drag and drop interaction. Also see the demo in Color Picker -> Palette demo. + HelpMarker("You can drag from the colored squares."); + static float col1[3] = { 1.0f, 0.0f, 0.2f }; + static float col2[4] = { 0.4f, 0.7f, 0.0f, 0.5f }; + ImGui::ColorEdit3("color 1", col1); + ImGui::ColorEdit4("color 2", col2); + ImGui::TreePop(); + } + + if (ImGui::TreeNode("Drag and drop to copy/swap items")) + { + enum Mode + { + Mode_Copy, + Mode_Move, + Mode_Swap + }; + static int mode = 0; + if (ImGui::RadioButton("Copy", mode == Mode_Copy)) { mode = Mode_Copy; } ImGui::SameLine(); + if (ImGui::RadioButton("Move", mode == Mode_Move)) { mode = Mode_Move; } ImGui::SameLine(); + if (ImGui::RadioButton("Swap", mode == Mode_Swap)) { mode = Mode_Swap; } + static const char* names[9] = { "Bobby", "Beatrice", "Betty", "Brianna", "Barry", "Bernard", "Bibi", "Blaine", "Bryn" }; + for (int n = 0; n < IM_ARRAYSIZE(names); n++) + { + ImGui::PushID(n); + if ((n % 3) != 0) + ImGui::SameLine(); + ImGui::Button(names[n], ImVec2(60,60)); + + // Our buttons are both drag sources and drag targets here! + if (ImGui::BeginDragDropSource(ImGuiDragDropFlags_None)) + { + ImGui::SetDragDropPayload("DND_DEMO_CELL", &n, sizeof(int)); // Set payload to carry the index of our item (could be anything) + if (mode == Mode_Copy) { ImGui::Text("Copy %s", names[n]); } // Display preview (could be anything, e.g. when dragging an image we could decide to display the filename and a small preview of the image, etc.) + if (mode == Mode_Move) { ImGui::Text("Move %s", names[n]); } + if (mode == Mode_Swap) { ImGui::Text("Swap %s", names[n]); } + ImGui::EndDragDropSource(); + } + if (ImGui::BeginDragDropTarget()) + { + if (const ImGuiPayload* payload = ImGui::AcceptDragDropPayload("DND_DEMO_CELL")) + { + IM_ASSERT(payload->DataSize == sizeof(int)); + int payload_n = *(const int*)payload->Data; + if (mode == Mode_Copy) + { + names[n] = names[payload_n]; + } + if (mode == Mode_Move) + { + names[n] = names[payload_n]; + names[payload_n] = ""; + } + if (mode == Mode_Swap) + { + const char* tmp = names[n]; + names[n] = names[payload_n]; + names[payload_n] = tmp; + } + } + ImGui::EndDragDropTarget(); + } + ImGui::PopID(); + } + ImGui::TreePop(); + } + + if (ImGui::TreeNode("Drag to reorder items (simple)")) + { + // Simple reordering + HelpMarker("We don't use the drag and drop api at all here! Instead we query when the item is held but not hovered, and order items accordingly."); + static const char* item_names[] = { "Item One", "Item Two", "Item Three", "Item Four", "Item Five" }; + for (int n = 0; n < IM_ARRAYSIZE(item_names); n++) + { + const char* item = item_names[n]; + ImGui::Selectable(item); + + if (ImGui::IsItemActive() && !ImGui::IsItemHovered()) + { + int n_next = n + (ImGui::GetMouseDragDelta(0).y < 0.f ? -1 : 1); + if (n_next >= 0 && n_next < IM_ARRAYSIZE(item_names)) + { + item_names[n] = item_names[n_next]; + item_names[n_next] = item; + ImGui::ResetMouseDragDelta(); + } + } + } + ImGui::TreePop(); + } + + ImGui::TreePop(); + } + + if (ImGui::TreeNode("Querying Status (Active/Focused/Hovered etc.)")) + { + // Submit an item (various types available) so we can query their status in the following block. + static int item_type = 1; + ImGui::Combo("Item Type", &item_type, "Text\0Button\0Button (w/ repeat)\0Checkbox\0SliderFloat\0InputText\0InputFloat\0InputFloat3\0ColorEdit4\0MenuItem\0TreeNode\0TreeNode (w/ double-click)\0ListBox\0", 20); + ImGui::SameLine(); + HelpMarker("Testing how various types of items are interacting with the IsItemXXX functions."); + bool ret = false; + static bool b = false; + static float col4f[4] = { 1.0f, 0.5, 0.0f, 1.0f }; + static char str[16] = {}; + if (item_type == 0) { ImGui::Text("ITEM: Text"); } // Testing text items with no identifier/interaction + if (item_type == 1) { ret = ImGui::Button("ITEM: Button"); } // Testing button + if (item_type == 2) { ImGui::PushButtonRepeat(true); ret = ImGui::Button("ITEM: Button"); ImGui::PopButtonRepeat(); } // Testing button (with repeater) + if (item_type == 3) { ret = ImGui::Checkbox("ITEM: Checkbox", &b); } // Testing checkbox + if (item_type == 4) { ret = ImGui::SliderFloat("ITEM: SliderFloat", &col4f[0], 0.0f, 1.0f); } // Testing basic item + if (item_type == 5) { ret = ImGui::InputText("ITEM: InputText", &str[0], IM_ARRAYSIZE(str)); } // Testing input text (which handles tabbing) + if (item_type == 6) { ret = ImGui::InputFloat("ITEM: InputFloat", col4f, 1.0f); } // Testing +/- buttons on scalar input + if (item_type == 7) { ret = ImGui::InputFloat3("ITEM: InputFloat3", col4f); } // Testing multi-component items (IsItemXXX flags are reported merged) + if (item_type == 8) { ret = ImGui::ColorEdit4("ITEM: ColorEdit4", col4f); } // Testing multi-component items (IsItemXXX flags are reported merged) + if (item_type == 9) { ret = ImGui::MenuItem("ITEM: MenuItem"); } // Testing menu item (they use ImGuiButtonFlags_PressedOnRelease button policy) + if (item_type == 10){ ret = ImGui::TreeNode("ITEM: TreeNode"); if (ret) ImGui::TreePop(); } // Testing tree node + if (item_type == 11){ ret = ImGui::TreeNodeEx("ITEM: TreeNode w/ ImGuiTreeNodeFlags_OpenOnDoubleClick", ImGuiTreeNodeFlags_OpenOnDoubleClick | ImGuiTreeNodeFlags_NoTreePushOnOpen); } // Testing tree node with ImGuiButtonFlags_PressedOnDoubleClick button policy. + if (item_type == 12){ const char* items[] = { "Apple", "Banana", "Cherry", "Kiwi" }; static int current = 1; ret = ImGui::ListBox("ITEM: ListBox", ¤t, items, IM_ARRAYSIZE(items), IM_ARRAYSIZE(items)); } + + // Display the value of IsItemHovered() and other common item state functions. + // Note that the ImGuiHoveredFlags_XXX flags can be combined. + // Because BulletText is an item itself and that would affect the output of IsItemXXX functions, + // we query every state in a single call to avoid storing them and to simplify the code + ImGui::BulletText( + "Return value = %d\n" + "IsItemFocused() = %d\n" + "IsItemHovered() = %d\n" + "IsItemHovered(_AllowWhenBlockedByPopup) = %d\n" + "IsItemHovered(_AllowWhenBlockedByActiveItem) = %d\n" + "IsItemHovered(_AllowWhenOverlapped) = %d\n" + "IsItemHovered(_RectOnly) = %d\n" + "IsItemActive() = %d\n" + "IsItemEdited() = %d\n" + "IsItemActivated() = %d\n" + "IsItemDeactivated() = %d\n" + "IsItemDeactivatedAfterEdit() = %d\n" + "IsItemVisible() = %d\n" + "IsItemClicked() = %d\n" + "IsItemToggledOpen() = %d\n" + "GetItemRectMin() = (%.1f, %.1f)\n" + "GetItemRectMax() = (%.1f, %.1f)\n" + "GetItemRectSize() = (%.1f, %.1f)", + ret, + ImGui::IsItemFocused(), + ImGui::IsItemHovered(), + ImGui::IsItemHovered(ImGuiHoveredFlags_AllowWhenBlockedByPopup), + ImGui::IsItemHovered(ImGuiHoveredFlags_AllowWhenBlockedByActiveItem), + ImGui::IsItemHovered(ImGuiHoveredFlags_AllowWhenOverlapped), + ImGui::IsItemHovered(ImGuiHoveredFlags_RectOnly), + ImGui::IsItemActive(), + ImGui::IsItemEdited(), + ImGui::IsItemActivated(), + ImGui::IsItemDeactivated(), + ImGui::IsItemDeactivatedAfterEdit(), + ImGui::IsItemVisible(), + ImGui::IsItemClicked(), + ImGui::IsItemToggledOpen(), + ImGui::GetItemRectMin().x, ImGui::GetItemRectMin().y, + ImGui::GetItemRectMax().x, ImGui::GetItemRectMax().y, + ImGui::GetItemRectSize().x, ImGui::GetItemRectSize().y + ); + + static bool embed_all_inside_a_child_window = false; + ImGui::Checkbox("Embed everything inside a child window (for additional testing)", &embed_all_inside_a_child_window); + if (embed_all_inside_a_child_window) + ImGui::BeginChild("outer_child", ImVec2(0, ImGui::GetFontSize() * 20), true); + + // Testing IsWindowFocused() function with its various flags. + // Note that the ImGuiFocusedFlags_XXX flags can be combined. + ImGui::BulletText( + "IsWindowFocused() = %d\n" + "IsWindowFocused(_ChildWindows) = %d\n" + "IsWindowFocused(_ChildWindows|_RootWindow) = %d\n" + "IsWindowFocused(_RootWindow) = %d\n" + "IsWindowFocused(_AnyWindow) = %d\n", + ImGui::IsWindowFocused(), + ImGui::IsWindowFocused(ImGuiFocusedFlags_ChildWindows), + ImGui::IsWindowFocused(ImGuiFocusedFlags_ChildWindows | ImGuiFocusedFlags_RootWindow), + ImGui::IsWindowFocused(ImGuiFocusedFlags_RootWindow), + ImGui::IsWindowFocused(ImGuiFocusedFlags_AnyWindow)); + + // Testing IsWindowHovered() function with its various flags. + // Note that the ImGuiHoveredFlags_XXX flags can be combined. + ImGui::BulletText( + "IsWindowHovered() = %d\n" + "IsWindowHovered(_AllowWhenBlockedByPopup) = %d\n" + "IsWindowHovered(_AllowWhenBlockedByActiveItem) = %d\n" + "IsWindowHovered(_ChildWindows) = %d\n" + "IsWindowHovered(_ChildWindows|_RootWindow) = %d\n" + "IsWindowHovered(_ChildWindows|_AllowWhenBlockedByPopup) = %d\n" + "IsWindowHovered(_RootWindow) = %d\n" + "IsWindowHovered(_AnyWindow) = %d\n", + ImGui::IsWindowHovered(), + ImGui::IsWindowHovered(ImGuiHoveredFlags_AllowWhenBlockedByPopup), + ImGui::IsWindowHovered(ImGuiHoveredFlags_AllowWhenBlockedByActiveItem), + ImGui::IsWindowHovered(ImGuiHoveredFlags_ChildWindows), + ImGui::IsWindowHovered(ImGuiHoveredFlags_ChildWindows | ImGuiHoveredFlags_RootWindow), + ImGui::IsWindowHovered(ImGuiHoveredFlags_ChildWindows | ImGuiHoveredFlags_AllowWhenBlockedByPopup), + ImGui::IsWindowHovered(ImGuiHoveredFlags_RootWindow), + ImGui::IsWindowHovered(ImGuiHoveredFlags_AnyWindow)); + + ImGui::BeginChild("child", ImVec2(0, 50), true); + ImGui::Text("This is another child window for testing the _ChildWindows flag."); + ImGui::EndChild(); + if (embed_all_inside_a_child_window) + ImGui::EndChild(); + + static char dummy_str[] = "This is a dummy field to be able to tab-out of the widgets above."; + ImGui::InputText("dummy", dummy_str, IM_ARRAYSIZE(dummy_str), ImGuiInputTextFlags_ReadOnly); + + // Calling IsItemHovered() after begin returns the hovered status of the title bar. + // This is useful in particular if you want to create a context menu (with BeginPopupContextItem) associated to the title bar of a window. + static bool test_window = false; + ImGui::Checkbox("Hovered/Active tests after Begin() for title bar testing", &test_window); + if (test_window) + { + ImGui::Begin("Title bar Hovered/Active tests", &test_window); + if (ImGui::BeginPopupContextItem()) // <-- This is using IsItemHovered() + { + if (ImGui::MenuItem("Close")) { test_window = false; } + ImGui::EndPopup(); + } + ImGui::Text( + "IsItemHovered() after begin = %d (== is title bar hovered)\n" + "IsItemActive() after begin = %d (== is window being clicked/moved)\n", + ImGui::IsItemHovered(), ImGui::IsItemActive()); + ImGui::End(); + } + + ImGui::TreePop(); + } +} + +static void ShowDemoWindowLayout() +{ + if (!ImGui::CollapsingHeader("Layout")) + return; + + if (ImGui::TreeNode("Child windows")) + { + HelpMarker("Use child windows to begin into a self-contained independent scrolling/clipping regions within a host window."); + static bool disable_mouse_wheel = false; + static bool disable_menu = false; + ImGui::Checkbox("Disable Mouse Wheel", &disable_mouse_wheel); + ImGui::Checkbox("Disable Menu", &disable_menu); + + static int line = 50; + bool goto_line = ImGui::Button("Goto"); + ImGui::SameLine(); + ImGui::SetNextItemWidth(100); + goto_line |= ImGui::InputInt("##Line", &line, 0, 0, ImGuiInputTextFlags_EnterReturnsTrue); + + // Child 1: no border, enable horizontal scrollbar + { + ImGuiWindowFlags window_flags = ImGuiWindowFlags_HorizontalScrollbar | (disable_mouse_wheel ? ImGuiWindowFlags_NoScrollWithMouse : 0); + ImGui::BeginChild("ChildL", ImVec2(ImGui::GetWindowContentRegionWidth() * 0.5f, 260), false, window_flags); + for (int i = 0; i < 100; i++) + { + ImGui::Text("%04d: scrollable region", i); + if (goto_line && line == i) + ImGui::SetScrollHereY(); + } + if (goto_line && line >= 100) + ImGui::SetScrollHereY(); + ImGui::EndChild(); + } + + ImGui::SameLine(); + + // Child 2: rounded border + { + ImGuiWindowFlags window_flags = (disable_mouse_wheel ? ImGuiWindowFlags_NoScrollWithMouse : 0) | (disable_menu ? 0 : ImGuiWindowFlags_MenuBar); + ImGui::PushStyleVar(ImGuiStyleVar_ChildRounding, 5.0f); + ImGui::BeginChild("ChildR", ImVec2(0, 260), true, window_flags); + if (!disable_menu && ImGui::BeginMenuBar()) + { + if (ImGui::BeginMenu("Menu")) + { + ShowExampleMenuFile(); + ImGui::EndMenu(); + } + ImGui::EndMenuBar(); + } + ImGui::Columns(2); + for (int i = 0; i < 100; i++) + { + char buf[32]; + sprintf(buf, "%03d", i); + ImGui::Button(buf, ImVec2(-FLT_MIN, 0.0f)); + ImGui::NextColumn(); + } + ImGui::EndChild(); + ImGui::PopStyleVar(); + } + + ImGui::Separator(); + + // Demonstrate a few extra things + // - Changing ImGuiCol_ChildBg (which is transparent black in default styles) + // - Using SetCursorPos() to position the child window (because the child window is an item from the POV of the parent window) + // You can also call SetNextWindowPos() to position the child window. The parent window will effectively layout from this position. + // - Using ImGui::GetItemRectMin/Max() to query the "item" state (because the child window is an item from the POV of the parent window) + // See "Widgets" -> "Querying Status (Active/Focused/Hovered etc.)" section for more details about this. + { + ImGui::SetCursorPosX(ImGui::GetCursorPosX() + 10); + ImGui::PushStyleColor(ImGuiCol_ChildBg, IM_COL32(255, 0, 0, 100)); + ImGui::BeginChild("Red", ImVec2(200, 100), true, ImGuiWindowFlags_None); + for (int n = 0; n < 50; n++) + ImGui::Text("Some test %d", n); + ImGui::EndChild(); + ImVec2 child_rect_min = ImGui::GetItemRectMin(); + ImVec2 child_rect_max = ImGui::GetItemRectMax(); + ImGui::PopStyleColor(); + ImGui::Text("Rect of child window is: (%.0f,%.0f) (%.0f,%.0f)", child_rect_min.x, child_rect_min.y, child_rect_max.x, child_rect_max.y); + } + + ImGui::TreePop(); + } + + if (ImGui::TreeNode("Widgets Width")) + { + // Use SetNextItemWidth() to set the width of a single upcoming item. + // Use PushItemWidth()/PopItemWidth() to set the width of a group of items. + static float f = 0.0f; + ImGui::Text("SetNextItemWidth/PushItemWidth(100)"); + ImGui::SameLine(); HelpMarker("Fixed width."); + ImGui::SetNextItemWidth(100); + ImGui::DragFloat("float##1", &f); + + ImGui::Text("SetNextItemWidth/PushItemWidth(GetWindowWidth() * 0.5f)"); + ImGui::SameLine(); HelpMarker("Half of window width."); + ImGui::SetNextItemWidth(ImGui::GetWindowWidth() * 0.5f); + ImGui::DragFloat("float##2", &f); + + ImGui::Text("SetNextItemWidth/PushItemWidth(GetContentRegionAvail().x * 0.5f)"); + ImGui::SameLine(); HelpMarker("Half of available width.\n(~ right-cursor_pos)\n(works within a column set)"); + ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x * 0.5f); + ImGui::DragFloat("float##3", &f); + + ImGui::Text("SetNextItemWidth/PushItemWidth(-100)"); + ImGui::SameLine(); HelpMarker("Align to right edge minus 100"); + ImGui::SetNextItemWidth(-100); + ImGui::DragFloat("float##4", &f); + + // Demonstrate using PushItemWidth to surround three items. Calling SetNextItemWidth() before each of them would have the same effect. + ImGui::Text("SetNextItemWidth/PushItemWidth(-1)"); + ImGui::SameLine(); HelpMarker("Align to right edge"); + ImGui::PushItemWidth(-1); + ImGui::DragFloat("##float5a", &f); + ImGui::DragFloat("##float5b", &f); + ImGui::DragFloat("##float5c", &f); + ImGui::PopItemWidth(); + + ImGui::TreePop(); + } + + if (ImGui::TreeNode("Basic Horizontal Layout")) + { + ImGui::TextWrapped("(Use ImGui::SameLine() to keep adding items to the right of the preceding item)"); + + // Text + ImGui::Text("Two items: Hello"); ImGui::SameLine(); + ImGui::TextColored(ImVec4(1,1,0,1), "Sailor"); + + // Adjust spacing + ImGui::Text("More spacing: Hello"); ImGui::SameLine(0, 20); + ImGui::TextColored(ImVec4(1,1,0,1), "Sailor"); + + // Button + ImGui::AlignTextToFramePadding(); + ImGui::Text("Normal buttons"); ImGui::SameLine(); + ImGui::Button("Banana"); ImGui::SameLine(); + ImGui::Button("Apple"); ImGui::SameLine(); + ImGui::Button("Corniflower"); + + // Button + ImGui::Text("Small buttons"); ImGui::SameLine(); + ImGui::SmallButton("Like this one"); ImGui::SameLine(); + ImGui::Text("can fit within a text block."); + + // Aligned to arbitrary position. Easy/cheap column. + ImGui::Text("Aligned"); + ImGui::SameLine(150); ImGui::Text("x=150"); + ImGui::SameLine(300); ImGui::Text("x=300"); + ImGui::Text("Aligned"); + ImGui::SameLine(150); ImGui::SmallButton("x=150"); + ImGui::SameLine(300); ImGui::SmallButton("x=300"); + + // Checkbox + static bool c1 = false, c2 = false, c3 = false, c4 = false; + ImGui::Checkbox("My", &c1); ImGui::SameLine(); + ImGui::Checkbox("Tailor", &c2); ImGui::SameLine(); + ImGui::Checkbox("Is", &c3); ImGui::SameLine(); + ImGui::Checkbox("Rich", &c4); + + // Various + static float f0 = 1.0f, f1 = 2.0f, f2 = 3.0f; + ImGui::PushItemWidth(80); + const char* items[] = { "AAAA", "BBBB", "CCCC", "DDDD" }; + static int item = -1; + ImGui::Combo("Combo", &item, items, IM_ARRAYSIZE(items)); ImGui::SameLine(); + ImGui::SliderFloat("X", &f0, 0.0f, 5.0f); ImGui::SameLine(); + ImGui::SliderFloat("Y", &f1, 0.0f, 5.0f); ImGui::SameLine(); + ImGui::SliderFloat("Z", &f2, 0.0f, 5.0f); + ImGui::PopItemWidth(); + + ImGui::PushItemWidth(80); + ImGui::Text("Lists:"); + static int selection[4] = { 0, 1, 2, 3 }; + for (int i = 0; i < 4; i++) + { + if (i > 0) ImGui::SameLine(); + ImGui::PushID(i); + ImGui::ListBox("", &selection[i], items, IM_ARRAYSIZE(items)); + ImGui::PopID(); + //if (ImGui::IsItemHovered()) ImGui::SetTooltip("ListBox %d hovered", i); + } + ImGui::PopItemWidth(); + + // Dummy + ImVec2 button_sz(40, 40); + ImGui::Button("A", button_sz); ImGui::SameLine(); + ImGui::Dummy(button_sz); ImGui::SameLine(); + ImGui::Button("B", button_sz); + + // Manually wrapping (we should eventually provide this as an automatic layout feature, but for now you can do it manually) + ImGui::Text("Manually wrapping:"); + ImGuiStyle& style = ImGui::GetStyle(); + int buttons_count = 20; + float window_visible_x2 = ImGui::GetWindowPos().x + ImGui::GetWindowContentRegionMax().x; + for (int n = 0; n < buttons_count; n++) + { + ImGui::PushID(n); + ImGui::Button("Box", button_sz); + float last_button_x2 = ImGui::GetItemRectMax().x; + float next_button_x2 = last_button_x2 + style.ItemSpacing.x + button_sz.x; // Expected position if next button was on same line + if (n + 1 < buttons_count && next_button_x2 < window_visible_x2) + ImGui::SameLine(); + ImGui::PopID(); + } + + ImGui::TreePop(); + } + + if (ImGui::TreeNode("Tabs")) + { + if (ImGui::TreeNode("Basic")) + { + ImGuiTabBarFlags tab_bar_flags = ImGuiTabBarFlags_None; + if (ImGui::BeginTabBar("MyTabBar", tab_bar_flags)) + { + if (ImGui::BeginTabItem("Avocado")) + { + ImGui::Text("This is the Avocado tab!\nblah blah blah blah blah"); + ImGui::EndTabItem(); + } + if (ImGui::BeginTabItem("Broccoli")) + { + ImGui::Text("This is the Broccoli tab!\nblah blah blah blah blah"); + ImGui::EndTabItem(); + } + if (ImGui::BeginTabItem("Cucumber")) + { + ImGui::Text("This is the Cucumber tab!\nblah blah blah blah blah"); + ImGui::EndTabItem(); + } + ImGui::EndTabBar(); + } + ImGui::Separator(); + ImGui::TreePop(); + } + + if (ImGui::TreeNode("Advanced & Close Button")) + { + // Expose a couple of the available flags. In most cases you may just call BeginTabBar() with no flags (0). + static ImGuiTabBarFlags tab_bar_flags = ImGuiTabBarFlags_Reorderable; + ImGui::CheckboxFlags("ImGuiTabBarFlags_Reorderable", (unsigned int*)&tab_bar_flags, ImGuiTabBarFlags_Reorderable); + ImGui::CheckboxFlags("ImGuiTabBarFlags_AutoSelectNewTabs", (unsigned int*)&tab_bar_flags, ImGuiTabBarFlags_AutoSelectNewTabs); + ImGui::CheckboxFlags("ImGuiTabBarFlags_TabListPopupButton", (unsigned int*)&tab_bar_flags, ImGuiTabBarFlags_TabListPopupButton); + ImGui::CheckboxFlags("ImGuiTabBarFlags_NoCloseWithMiddleMouseButton", (unsigned int*)&tab_bar_flags, ImGuiTabBarFlags_NoCloseWithMiddleMouseButton); + if ((tab_bar_flags & ImGuiTabBarFlags_FittingPolicyMask_) == 0) + tab_bar_flags |= ImGuiTabBarFlags_FittingPolicyDefault_; + if (ImGui::CheckboxFlags("ImGuiTabBarFlags_FittingPolicyResizeDown", (unsigned int*)&tab_bar_flags, ImGuiTabBarFlags_FittingPolicyResizeDown)) + tab_bar_flags &= ~(ImGuiTabBarFlags_FittingPolicyMask_ ^ ImGuiTabBarFlags_FittingPolicyResizeDown); + if (ImGui::CheckboxFlags("ImGuiTabBarFlags_FittingPolicyScroll", (unsigned int*)&tab_bar_flags, ImGuiTabBarFlags_FittingPolicyScroll)) + tab_bar_flags &= ~(ImGuiTabBarFlags_FittingPolicyMask_ ^ ImGuiTabBarFlags_FittingPolicyScroll); + + // Tab Bar + const char* names[4] = { "Artichoke", "Beetroot", "Celery", "Daikon" }; + static bool opened[4] = { true, true, true, true }; // Persistent user state + for (int n = 0; n < IM_ARRAYSIZE(opened); n++) + { + if (n > 0) { ImGui::SameLine(); } + ImGui::Checkbox(names[n], &opened[n]); + } + + // Passing a bool* to BeginTabItem() is similar to passing one to Begin(): the underlying bool will be set to false when the tab is closed. + if (ImGui::BeginTabBar("MyTabBar", tab_bar_flags)) + { + for (int n = 0; n < IM_ARRAYSIZE(opened); n++) + if (opened[n] && ImGui::BeginTabItem(names[n], &opened[n], ImGuiTabItemFlags_None)) + { + ImGui::Text("This is the %s tab!", names[n]); + if (n & 1) + ImGui::Text("I am an odd tab."); + ImGui::EndTabItem(); + } + ImGui::EndTabBar(); + } + ImGui::Separator(); + ImGui::TreePop(); + } + ImGui::TreePop(); + } + + if (ImGui::TreeNode("Groups")) + { + HelpMarker("BeginGroup() basically locks the horizontal position for new line. EndGroup() bundles the whole group so that you can use \"item\" functions such as IsItemHovered()/IsItemActive() or SameLine() etc. on the whole group."); + ImGui::BeginGroup(); + { + ImGui::BeginGroup(); + ImGui::Button("AAA"); + ImGui::SameLine(); + ImGui::Button("BBB"); + ImGui::SameLine(); + ImGui::BeginGroup(); + ImGui::Button("CCC"); + ImGui::Button("DDD"); + ImGui::EndGroup(); + ImGui::SameLine(); + ImGui::Button("EEE"); + ImGui::EndGroup(); + if (ImGui::IsItemHovered()) + ImGui::SetTooltip("First group hovered"); + } + // Capture the group size and create widgets using the same size + ImVec2 size = ImGui::GetItemRectSize(); + const float values[5] = { 0.5f, 0.20f, 0.80f, 0.60f, 0.25f }; + ImGui::PlotHistogram("##values", values, IM_ARRAYSIZE(values), 0, NULL, 0.0f, 1.0f, size); + + ImGui::Button("ACTION", ImVec2((size.x - ImGui::GetStyle().ItemSpacing.x)*0.5f, size.y)); + ImGui::SameLine(); + ImGui::Button("REACTION", ImVec2((size.x - ImGui::GetStyle().ItemSpacing.x)*0.5f, size.y)); + ImGui::EndGroup(); + ImGui::SameLine(); + + ImGui::Button("LEVERAGE\nBUZZWORD", size); + ImGui::SameLine(); + + if (ImGui::ListBoxHeader("List", size)) + { + ImGui::Selectable("Selected", true); + ImGui::Selectable("Not Selected", false); + ImGui::ListBoxFooter(); + } + + ImGui::TreePop(); + } + + if (ImGui::TreeNode("Text Baseline Alignment")) + { + { + ImGui::BulletText("Text baseline:"); + ImGui::SameLine(); + HelpMarker("This is testing the vertical alignment that gets applied on text to keep it aligned with widgets. Lines only composed of text or \"small\" widgets fit in less vertical spaces than lines with normal widgets."); + ImGui::Indent(); + + ImGui::Text("KO Blahblah"); ImGui::SameLine(); + ImGui::Button("Some framed item"); ImGui::SameLine(); + HelpMarker("Baseline of button will look misaligned with text.."); + + // If your line starts with text, call AlignTextToFramePadding() to align text to upcoming widgets. + // Because we don't know what's coming after the Text() statement, we need to move the text baseline down by FramePadding.y + ImGui::AlignTextToFramePadding(); + ImGui::Text("OK Blahblah"); ImGui::SameLine(); + ImGui::Button("Some framed item"); ImGui::SameLine(); + HelpMarker("We call AlignTextToFramePadding() to vertically align the text baseline by +FramePadding.y"); + + // SmallButton() uses the same vertical padding as Text + ImGui::Button("TEST##1"); ImGui::SameLine(); + ImGui::Text("TEST"); ImGui::SameLine(); + ImGui::SmallButton("TEST##2"); + + // If your line starts with text, call AlignTextToFramePadding() to align text to upcoming widgets. + ImGui::AlignTextToFramePadding(); + ImGui::Text("Text aligned to framed item"); ImGui::SameLine(); + ImGui::Button("Item##1"); ImGui::SameLine(); + ImGui::Text("Item"); ImGui::SameLine(); + ImGui::SmallButton("Item##2"); ImGui::SameLine(); + ImGui::Button("Item##3"); + + ImGui::Unindent(); + } + + ImGui::Spacing(); + + { + ImGui::BulletText("Multi-line text:"); + ImGui::Indent(); + ImGui::Text("One\nTwo\nThree"); ImGui::SameLine(); + ImGui::Text("Hello\nWorld"); ImGui::SameLine(); + ImGui::Text("Banana"); + + ImGui::Text("Banana"); ImGui::SameLine(); + ImGui::Text("Hello\nWorld"); ImGui::SameLine(); + ImGui::Text("One\nTwo\nThree"); + + ImGui::Button("HOP##1"); ImGui::SameLine(); + ImGui::Text("Banana"); ImGui::SameLine(); + ImGui::Text("Hello\nWorld"); ImGui::SameLine(); + ImGui::Text("Banana"); + + ImGui::Button("HOP##2"); ImGui::SameLine(); + ImGui::Text("Hello\nWorld"); ImGui::SameLine(); + ImGui::Text("Banana"); + ImGui::Unindent(); + } + + ImGui::Spacing(); + + { + ImGui::BulletText("Misc items:"); + ImGui::Indent(); + + // SmallButton() sets FramePadding to zero. Text baseline is aligned to match baseline of previous Button + ImGui::Button("80x80", ImVec2(80, 80)); + ImGui::SameLine(); + ImGui::Button("50x50", ImVec2(50, 50)); + ImGui::SameLine(); + ImGui::Button("Button()"); + ImGui::SameLine(); + ImGui::SmallButton("SmallButton()"); + + // Tree + const float spacing = ImGui::GetStyle().ItemInnerSpacing.x; + ImGui::Button("Button##1"); + ImGui::SameLine(0.0f, spacing); + if (ImGui::TreeNode("Node##1")) { for (int i = 0; i < 6; i++) ImGui::BulletText("Item %d..", i); ImGui::TreePop(); } // Dummy tree data + + ImGui::AlignTextToFramePadding(); // Vertically align text node a bit lower so it'll be vertically centered with upcoming widget. Otherwise you can use SmallButton (smaller fit). + bool node_open = ImGui::TreeNode("Node##2");// Common mistake to avoid: if we want to SameLine after TreeNode we need to do it before we add child content. + ImGui::SameLine(0.0f, spacing); ImGui::Button("Button##2"); + if (node_open) { for (int i = 0; i < 6; i++) ImGui::BulletText("Item %d..", i); ImGui::TreePop(); } // Dummy tree data + + // Bullet + ImGui::Button("Button##3"); + ImGui::SameLine(0.0f, spacing); + ImGui::BulletText("Bullet text"); + + ImGui::AlignTextToFramePadding(); + ImGui::BulletText("Node"); + ImGui::SameLine(0.0f, spacing); ImGui::Button("Button##4"); + ImGui::Unindent(); + } + + ImGui::TreePop(); + } + + if (ImGui::TreeNode("Scrolling")) + { + // Vertical scroll functions + HelpMarker("Use SetScrollHereY() or SetScrollFromPosY() to scroll to a given vertical position."); + + static int track_item = 50; + static bool enable_track = true; + static bool enable_extra_decorations = false; + static float scroll_to_off_px = 0.0f; + static float scroll_to_pos_px = 200.0f; + + ImGui::Checkbox("Decoration", &enable_extra_decorations); + ImGui::SameLine(); + HelpMarker("We expose this for testing because scrolling sometimes had issues with window decoration such as menu-bars."); + + ImGui::Checkbox("Track", &enable_track); + ImGui::PushItemWidth(100); + ImGui::SameLine(140); enable_track |= ImGui::DragInt("##item", &track_item, 0.25f, 0, 99, "Item = %d"); + + bool scroll_to_off = ImGui::Button("Scroll Offset"); + ImGui::SameLine(140); scroll_to_off |= ImGui::DragFloat("##off", &scroll_to_off_px, 1.00f, 0, FLT_MAX, "+%.0f px"); + + bool scroll_to_pos = ImGui::Button("Scroll To Pos"); + ImGui::SameLine(140); scroll_to_pos |= ImGui::DragFloat("##pos", &scroll_to_pos_px, 1.00f, -10, FLT_MAX, "X/Y = %.0f px"); + ImGui::PopItemWidth(); + + if (scroll_to_off || scroll_to_pos) + enable_track = false; + + ImGuiStyle& style = ImGui::GetStyle(); + float child_w = (ImGui::GetContentRegionAvail().x - 4 * style.ItemSpacing.x) / 5; + if (child_w < 1.0f) + child_w = 1.0f; + ImGui::PushID("##VerticalScrolling"); + for (int i = 0; i < 5; i++) + { + if (i > 0) ImGui::SameLine(); + ImGui::BeginGroup(); + const char* names[] = { "Top", "25%", "Center", "75%", "Bottom" }; + ImGui::TextUnformatted(names[i]); + + ImGuiWindowFlags child_flags = enable_extra_decorations ? ImGuiWindowFlags_MenuBar : 0; + bool window_visible = ImGui::BeginChild(ImGui::GetID((void*)(intptr_t)i), ImVec2(child_w, 200.0f), true, child_flags); + if (ImGui::BeginMenuBar()) + { + ImGui::TextUnformatted("abc"); + ImGui::EndMenuBar(); + } + if (scroll_to_off) + ImGui::SetScrollY(scroll_to_off_px); + if (scroll_to_pos) + ImGui::SetScrollFromPosY(ImGui::GetCursorStartPos().y + scroll_to_pos_px, i * 0.25f); + if (window_visible) // Avoid calling SetScrollHereY when running with culled items + { + for (int item = 0; item < 100; item++) + { + if (enable_track && item == track_item) + { + ImGui::TextColored(ImVec4(1, 1, 0, 1), "Item %d", item); + ImGui::SetScrollHereY(i * 0.25f); // 0.0f:top, 0.5f:center, 1.0f:bottom + } + else + { + ImGui::Text("Item %d", item); + } + } + } + float scroll_y = ImGui::GetScrollY(); + float scroll_max_y = ImGui::GetScrollMaxY(); + ImGui::EndChild(); + ImGui::Text("%.0f/%.0f", scroll_y, scroll_max_y); + ImGui::EndGroup(); + } + ImGui::PopID(); + + // Horizontal scroll functions + ImGui::Spacing(); + HelpMarker("Use SetScrollHereX() or SetScrollFromPosX() to scroll to a given horizontal position.\n\nUsing the \"Scroll To Pos\" button above will make the discontinuity at edges visible: scrolling to the top/bottom/left/right-most item will add an additional WindowPadding to reflect on reaching the edge of the list.\n\nBecause the clipping rectangle of most window hides half worth of WindowPadding on the left/right, using SetScrollFromPosX(+1) will usually result in clipped text whereas the equivalent SetScrollFromPosY(+1) wouldn't."); + ImGui::PushID("##HorizontalScrolling"); + for (int i = 0; i < 5; i++) + { + float child_height = ImGui::GetTextLineHeight() + style.ScrollbarSize + style.WindowPadding.y * 2.0f; + ImGuiWindowFlags child_flags = ImGuiWindowFlags_HorizontalScrollbar | (enable_extra_decorations ? ImGuiWindowFlags_AlwaysVerticalScrollbar : 0); + bool window_visible = ImGui::BeginChild(ImGui::GetID((void*)(intptr_t)i), ImVec2(-100, child_height), true, child_flags); + if (scroll_to_off) + ImGui::SetScrollX(scroll_to_off_px); + if (scroll_to_pos) + ImGui::SetScrollFromPosX(ImGui::GetCursorStartPos().x + scroll_to_pos_px, i * 0.25f); + if (window_visible) // Avoid calling SetScrollHereY when running with culled items + { + for (int item = 0; item < 100; item++) + { + if (enable_track && item == track_item) + { + ImGui::TextColored(ImVec4(1, 1, 0, 1), "Item %d", item); + ImGui::SetScrollHereX(i * 0.25f); // 0.0f:left, 0.5f:center, 1.0f:right + } + else + { + ImGui::Text("Item %d", item); + } + ImGui::SameLine(); + } + } + float scroll_x = ImGui::GetScrollX(); + float scroll_max_x = ImGui::GetScrollMaxX(); + ImGui::EndChild(); + ImGui::SameLine(); + const char* names[] = { "Left", "25%", "Center", "75%", "Right" }; + ImGui::Text("%s\n%.0f/%.0f", names[i], scroll_x, scroll_max_x); + ImGui::Spacing(); + } + ImGui::PopID(); + + // Miscellaneous Horizontal Scrolling Demo + HelpMarker("Horizontal scrolling for a window has to be enabled explicitly via the ImGuiWindowFlags_HorizontalScrollbar flag.\n\nYou may want to explicitly specify content width by calling SetNextWindowContentWidth() before Begin()."); + static int lines = 7; + ImGui::SliderInt("Lines", &lines, 1, 15); + ImGui::PushStyleVar(ImGuiStyleVar_FrameRounding, 3.0f); + ImGui::PushStyleVar(ImGuiStyleVar_FramePadding, ImVec2(2.0f, 1.0f)); + ImGui::BeginChild("scrolling", ImVec2(0, ImGui::GetFrameHeightWithSpacing() * 7 + 30), true, ImGuiWindowFlags_HorizontalScrollbar); + for (int line = 0; line < lines; line++) + { + // Display random stuff (for the sake of this trivial demo we are using basic Button+SameLine. If you want to create your own time line for a real application you may be better off + // manipulating the cursor position yourself, aka using SetCursorPos/SetCursorScreenPos to position the widgets yourself. You may also want to use the lower-level ImDrawList API) + int num_buttons = 10 + ((line & 1) ? line * 9 : line * 3); + for (int n = 0; n < num_buttons; n++) + { + if (n > 0) ImGui::SameLine(); + ImGui::PushID(n + line * 1000); + char num_buf[16]; + sprintf(num_buf, "%d", n); + const char* label = (!(n%15)) ? "FizzBuzz" : (!(n%3)) ? "Fizz" : (!(n%5)) ? "Buzz" : num_buf; + float hue = n*0.05f; + ImGui::PushStyleColor(ImGuiCol_Button, (ImVec4)ImColor::HSV(hue, 0.6f, 0.6f)); + ImGui::PushStyleColor(ImGuiCol_ButtonHovered, (ImVec4)ImColor::HSV(hue, 0.7f, 0.7f)); + ImGui::PushStyleColor(ImGuiCol_ButtonActive, (ImVec4)ImColor::HSV(hue, 0.8f, 0.8f)); + ImGui::Button(label, ImVec2(40.0f + sinf((float)(line + n)) * 20.0f, 0.0f)); + ImGui::PopStyleColor(3); + ImGui::PopID(); + } + } + float scroll_x = ImGui::GetScrollX(); + float scroll_max_x = ImGui::GetScrollMaxX(); + ImGui::EndChild(); + ImGui::PopStyleVar(2); + float scroll_x_delta = 0.0f; + ImGui::SmallButton("<<"); if (ImGui::IsItemActive()) { scroll_x_delta = -ImGui::GetIO().DeltaTime * 1000.0f; } ImGui::SameLine(); + ImGui::Text("Scroll from code"); ImGui::SameLine(); + ImGui::SmallButton(">>"); if (ImGui::IsItemActive()) { scroll_x_delta = +ImGui::GetIO().DeltaTime * 1000.0f; } ImGui::SameLine(); + ImGui::Text("%.0f/%.0f", scroll_x, scroll_max_x); + if (scroll_x_delta != 0.0f) + { + ImGui::BeginChild("scrolling"); // Demonstrate a trick: you can use Begin to set yourself in the context of another window (here we are already out of your child window) + ImGui::SetScrollX(ImGui::GetScrollX() + scroll_x_delta); + ImGui::EndChild(); + } + ImGui::Spacing(); + + static bool show_horizontal_contents_size_demo_window = false; + ImGui::Checkbox("Show Horizontal contents size demo window", &show_horizontal_contents_size_demo_window); + + if (show_horizontal_contents_size_demo_window) + { + static bool show_h_scrollbar = true; + static bool show_button = true; + static bool show_tree_nodes = true; + static bool show_text_wrapped = false; + static bool show_columns = true; + static bool show_tab_bar = true; + static bool show_child = false; + static bool explicit_content_size = false; + static float contents_size_x = 300.0f; + if (explicit_content_size) + ImGui::SetNextWindowContentSize(ImVec2(contents_size_x, 0.0f)); + ImGui::Begin("Horizontal contents size demo window", &show_horizontal_contents_size_demo_window, show_h_scrollbar ? ImGuiWindowFlags_HorizontalScrollbar : 0); + ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(2, 0)); + ImGui::PushStyleVar(ImGuiStyleVar_FramePadding, ImVec2(2, 0)); + HelpMarker("Test of different widgets react and impact the work rectangle growing when horizontal scrolling is enabled.\n\nUse 'Metrics->Tools->Show windows rectangles' to visualize rectangles."); + ImGui::Checkbox("H-scrollbar", &show_h_scrollbar); + ImGui::Checkbox("Button", &show_button); // Will grow contents size (unless explicitly overwritten) + ImGui::Checkbox("Tree nodes", &show_tree_nodes); // Will grow contents size and display highlight over full width + ImGui::Checkbox("Text wrapped", &show_text_wrapped);// Will grow and use contents size + ImGui::Checkbox("Columns", &show_columns); // Will use contents size + ImGui::Checkbox("Tab bar", &show_tab_bar); // Will use contents size + ImGui::Checkbox("Child", &show_child); // Will grow and use contents size + ImGui::Checkbox("Explicit content size", &explicit_content_size); + ImGui::Text("Scroll %.1f/%.1f %.1f/%.1f", ImGui::GetScrollX(), ImGui::GetScrollMaxX(), ImGui::GetScrollY(), ImGui::GetScrollMaxY()); + if (explicit_content_size) + { + ImGui::SameLine(); + ImGui::SetNextItemWidth(100); + ImGui::DragFloat("##csx", &contents_size_x); + ImVec2 p = ImGui::GetCursorScreenPos(); + ImGui::GetWindowDrawList()->AddRectFilled(p, ImVec2(p.x + 10, p.y + 10), IM_COL32_WHITE); + ImGui::GetWindowDrawList()->AddRectFilled(ImVec2(p.x + contents_size_x - 10, p.y), ImVec2(p.x + contents_size_x, p.y + 10), IM_COL32_WHITE); + ImGui::Dummy(ImVec2(0, 10)); + } + ImGui::PopStyleVar(2); + ImGui::Separator(); + if (show_button) + { + ImGui::Button("this is a 300-wide button", ImVec2(300, 0)); + } + if (show_tree_nodes) + { + bool open = true; + if (ImGui::TreeNode("this is a tree node")) + { + if (ImGui::TreeNode("another one of those tree node...")) + { + ImGui::Text("Some tree contents"); + ImGui::TreePop(); + } + ImGui::TreePop(); + } + ImGui::CollapsingHeader("CollapsingHeader", &open); + } + if (show_text_wrapped) + { + ImGui::TextWrapped("This text should automatically wrap on the edge of the work rectangle."); + } + if (show_columns) + { + ImGui::Columns(4); + for (int n = 0; n < 4; n++) + { + ImGui::Text("Width %.2f", ImGui::GetColumnWidth()); + ImGui::NextColumn(); + } + ImGui::Columns(1); + } + if (show_tab_bar && ImGui::BeginTabBar("Hello")) + { + if (ImGui::BeginTabItem("OneOneOne")) { ImGui::EndTabItem(); } + if (ImGui::BeginTabItem("TwoTwoTwo")) { ImGui::EndTabItem(); } + if (ImGui::BeginTabItem("ThreeThreeThree")) { ImGui::EndTabItem(); } + if (ImGui::BeginTabItem("FourFourFour")) { ImGui::EndTabItem(); } + ImGui::EndTabBar(); + } + if (show_child) + { + ImGui::BeginChild("child", ImVec2(0,0), true); + ImGui::EndChild(); + } + ImGui::End(); + } + + ImGui::TreePop(); + } + + if (ImGui::TreeNode("Clipping")) + { + static ImVec2 size(100, 100), offset(50, 20); + ImGui::TextWrapped("On a per-widget basis we are occasionally clipping text CPU-side if it won't fit in its frame. Otherwise we are doing coarser clipping + passing a scissor rectangle to the renderer. The system is designed to try minimizing both execution and CPU/GPU rendering cost."); + ImGui::DragFloat2("size", (float*)&size, 0.5f, 1.0f, 200.0f, "%.0f"); + ImGui::TextWrapped("(Click and drag)"); + ImVec2 pos = ImGui::GetCursorScreenPos(); + ImVec4 clip_rect(pos.x, pos.y, pos.x + size.x, pos.y + size.y); + ImGui::InvisibleButton("##dummy", size); + if (ImGui::IsItemActive() && ImGui::IsMouseDragging(0)) { offset.x += ImGui::GetIO().MouseDelta.x; offset.y += ImGui::GetIO().MouseDelta.y; } + ImGui::GetWindowDrawList()->AddRectFilled(pos, ImVec2(pos.x + size.x, pos.y + size.y), IM_COL32(90, 90, 120, 255)); + ImGui::GetWindowDrawList()->AddText(ImGui::GetFont(), ImGui::GetFontSize()*2.0f, ImVec2(pos.x + offset.x, pos.y + offset.y), IM_COL32(255, 255, 255, 255), "Line 1 hello\nLine 2 clip me!", NULL, 0.0f, &clip_rect); + ImGui::TreePop(); + } +} + +static void ShowDemoWindowPopups() +{ + if (!ImGui::CollapsingHeader("Popups & Modal windows")) + return; + + // The properties of popups windows are: + // - They block normal mouse hovering detection outside them. (*) + // - Unless modal, they can be closed by clicking anywhere outside them, or by pressing ESCAPE. + // - Their visibility state (~bool) is held internally by Dear ImGui instead of being held by the programmer as we are used to with regular Begin() calls. + // User can manipulate the visibility state by calling OpenPopup(). + // (*) One can use IsItemHovered(ImGuiHoveredFlags_AllowWhenBlockedByPopup) to bypass it and detect hovering even when normally blocked by a popup. + // Those three properties are connected. The library needs to hold their visibility state because it can close popups at any time. + + // Typical use for regular windows: + // bool my_tool_is_active = false; if (ImGui::Button("Open")) my_tool_is_active = true; [...] if (my_tool_is_active) Begin("My Tool", &my_tool_is_active) { [...] } End(); + // Typical use for popups: + // if (ImGui::Button("Open")) ImGui::OpenPopup("MyPopup"); if (ImGui::BeginPopup("MyPopup") { [...] EndPopup(); } + + // With popups we have to go through a library call (here OpenPopup) to manipulate the visibility state. + // This may be a bit confusing at first but it should quickly make sense. Follow on the examples below. + + if (ImGui::TreeNode("Popups")) + { + ImGui::TextWrapped("When a popup is active, it inhibits interacting with windows that are behind the popup. Clicking outside the popup closes it."); + + static int selected_fish = -1; + const char* names[] = { "Bream", "Haddock", "Mackerel", "Pollock", "Tilefish" }; + static bool toggles[] = { true, false, false, false, false }; + + // Simple selection popup + // (If you want to show the current selection inside the Button itself, you may want to build a string using the "###" operator to preserve a constant ID with a variable label) + if (ImGui::Button("Select..")) + ImGui::OpenPopup("my_select_popup"); + ImGui::SameLine(); + ImGui::TextUnformatted(selected_fish == -1 ? "" : names[selected_fish]); + if (ImGui::BeginPopup("my_select_popup")) + { + ImGui::Text("Aquarium"); + ImGui::Separator(); + for (int i = 0; i < IM_ARRAYSIZE(names); i++) + if (ImGui::Selectable(names[i])) + selected_fish = i; + ImGui::EndPopup(); + } + + // Showing a menu with toggles + if (ImGui::Button("Toggle..")) + ImGui::OpenPopup("my_toggle_popup"); + if (ImGui::BeginPopup("my_toggle_popup")) + { + for (int i = 0; i < IM_ARRAYSIZE(names); i++) + ImGui::MenuItem(names[i], "", &toggles[i]); + if (ImGui::BeginMenu("Sub-menu")) + { + ImGui::MenuItem("Click me"); + ImGui::EndMenu(); + } + + ImGui::Separator(); + ImGui::Text("Tooltip here"); + if (ImGui::IsItemHovered()) + ImGui::SetTooltip("I am a tooltip over a popup"); + + if (ImGui::Button("Stacked Popup")) + ImGui::OpenPopup("another popup"); + if (ImGui::BeginPopup("another popup")) + { + for (int i = 0; i < IM_ARRAYSIZE(names); i++) + ImGui::MenuItem(names[i], "", &toggles[i]); + if (ImGui::BeginMenu("Sub-menu")) + { + ImGui::MenuItem("Click me"); + if (ImGui::Button("Stacked Popup")) + ImGui::OpenPopup("another popup"); + if (ImGui::BeginPopup("another popup")) + { + ImGui::Text("I am the last one here."); + ImGui::EndPopup(); + } + ImGui::EndMenu(); + } + ImGui::EndPopup(); + } + ImGui::EndPopup(); + } + + // Call the more complete ShowExampleMenuFile which we use in various places of this demo + if (ImGui::Button("File Menu..")) + ImGui::OpenPopup("my_file_popup"); + if (ImGui::BeginPopup("my_file_popup")) + { + ShowExampleMenuFile(); + ImGui::EndPopup(); + } + + ImGui::TreePop(); + } + + if (ImGui::TreeNode("Context menus")) + { + // BeginPopupContextItem() is a helper to provide common/simple popup behavior of essentially doing: + // if (IsItemHovered() && IsMouseReleased(0)) + // OpenPopup(id); + // return BeginPopup(id); + // For more advanced uses you may want to replicate and cuztomize this code. This the comments inside BeginPopupContextItem() implementation. + static float value = 0.5f; + ImGui::Text("Value = %.3f (<-- right-click here)", value); + if (ImGui::BeginPopupContextItem("item context menu")) + { + if (ImGui::Selectable("Set to zero")) value = 0.0f; + if (ImGui::Selectable("Set to PI")) value = 3.1415f; + ImGui::SetNextItemWidth(-1); + ImGui::DragFloat("##Value", &value, 0.1f, 0.0f, 0.0f); + ImGui::EndPopup(); + } + + // We can also use OpenPopupOnItemClick() which is the same as BeginPopupContextItem() but without the Begin call. + // So here we will make it that clicking on the text field with the right mouse button (1) will toggle the visibility of the popup above. + ImGui::Text("(You can also right-click me to open the same popup as above.)"); + ImGui::OpenPopupOnItemClick("item context menu", 1); + + // When used after an item that has an ID (here the Button), we can skip providing an ID to BeginPopupContextItem(). + // BeginPopupContextItem() will use the last item ID as the popup ID. + // In addition here, we want to include your editable label inside the button label. We use the ### operator to override the ID (read FAQ about ID for details) + static char name[32] = "Label1"; + char buf[64]; sprintf(buf, "Button: %s###Button", name); // ### operator override ID ignoring the preceding label + ImGui::Button(buf); + if (ImGui::BeginPopupContextItem()) + { + ImGui::Text("Edit name:"); + ImGui::InputText("##edit", name, IM_ARRAYSIZE(name)); + if (ImGui::Button("Close")) + ImGui::CloseCurrentPopup(); + ImGui::EndPopup(); + } + ImGui::SameLine(); ImGui::Text("(<-- right-click here)"); + + ImGui::TreePop(); + } + + if (ImGui::TreeNode("Modals")) + { + ImGui::TextWrapped("Modal windows are like popups but the user cannot close them by clicking outside the window."); + + if (ImGui::Button("Delete..")) + ImGui::OpenPopup("Delete?"); + + if (ImGui::BeginPopupModal("Delete?", NULL, ImGuiWindowFlags_AlwaysAutoResize)) + { + ImGui::Text("All those beautiful files will be deleted.\nThis operation cannot be undone!\n\n"); + ImGui::Separator(); + + //static int dummy_i = 0; + //ImGui::Combo("Combo", &dummy_i, "Delete\0Delete harder\0"); + + static bool dont_ask_me_next_time = false; + ImGui::PushStyleVar(ImGuiStyleVar_FramePadding, ImVec2(0, 0)); + ImGui::Checkbox("Don't ask me next time", &dont_ask_me_next_time); + ImGui::PopStyleVar(); + + if (ImGui::Button("OK", ImVec2(120, 0))) { ImGui::CloseCurrentPopup(); } + ImGui::SetItemDefaultFocus(); + ImGui::SameLine(); + if (ImGui::Button("Cancel", ImVec2(120, 0))) { ImGui::CloseCurrentPopup(); } + ImGui::EndPopup(); + } + + if (ImGui::Button("Stacked modals..")) + ImGui::OpenPopup("Stacked 1"); + if (ImGui::BeginPopupModal("Stacked 1", NULL, ImGuiWindowFlags_MenuBar)) + { + if (ImGui::BeginMenuBar()) + { + if (ImGui::BeginMenu("File")) + { + if (ImGui::MenuItem("Dummy menu item")) {} + ImGui::EndMenu(); + } + ImGui::EndMenuBar(); + } + ImGui::Text("Hello from Stacked The First\nUsing style.Colors[ImGuiCol_ModalWindowDimBg] behind it."); + + // Testing behavior of widgets stacking their own regular popups over the modal. + static int item = 1; + static float color[4] = { 0.4f,0.7f,0.0f,0.5f }; + ImGui::Combo("Combo", &item, "aaaa\0bbbb\0cccc\0dddd\0eeee\0\0"); + ImGui::ColorEdit4("color", color); + + if (ImGui::Button("Add another modal..")) + ImGui::OpenPopup("Stacked 2"); + + // Also demonstrate passing a bool* to BeginPopupModal(), this will create a regular close button which will close the popup. + // Note that the visibility state of popups is owned by imgui, so the input value of the bool actually doesn't matter here. + bool dummy_open = true; + if (ImGui::BeginPopupModal("Stacked 2", &dummy_open)) + { + ImGui::Text("Hello from Stacked The Second!"); + if (ImGui::Button("Close")) + ImGui::CloseCurrentPopup(); + ImGui::EndPopup(); + } + + if (ImGui::Button("Close")) + ImGui::CloseCurrentPopup(); + ImGui::EndPopup(); + } + + ImGui::TreePop(); + } + + if (ImGui::TreeNode("Menus inside a regular window")) + { + ImGui::TextWrapped("Below we are testing adding menu items to a regular window. It's rather unusual but should work!"); + ImGui::Separator(); + // NB: As a quirk in this very specific example, we want to differentiate the parent of this menu from the parent of the various popup menus above. + // To do so we are encloding the items in a PushID()/PopID() block to make them two different menusets. If we don't, opening any popup above and hovering our menu here + // would open it. This is because once a menu is active, we allow to switch to a sibling menu by just hovering on it, which is the desired behavior for regular menus. + ImGui::PushID("foo"); + ImGui::MenuItem("Menu item", "CTRL+M"); + if (ImGui::BeginMenu("Menu inside a regular window")) + { + ShowExampleMenuFile(); + ImGui::EndMenu(); + } + ImGui::PopID(); + ImGui::Separator(); + ImGui::TreePop(); + } +} + +static void ShowDemoWindowColumns() +{ + if (!ImGui::CollapsingHeader("Columns")) + return; + + ImGui::PushID("Columns"); + + static bool disable_indent = false; + ImGui::Checkbox("Disable tree indentation", &disable_indent); + ImGui::SameLine(); + HelpMarker("Disable the indenting of tree nodes so demo columns can use the full window width."); + if (disable_indent) + ImGui::PushStyleVar(ImGuiStyleVar_IndentSpacing, 0.0f); + + // Basic columns + if (ImGui::TreeNode("Basic")) + { + ImGui::Text("Without border:"); + ImGui::Columns(3, "mycolumns3", false); // 3-ways, no border + ImGui::Separator(); + for (int n = 0; n < 14; n++) + { + char label[32]; + sprintf(label, "Item %d", n); + if (ImGui::Selectable(label)) {} + //if (ImGui::Button(label, ImVec2(-FLT_MIN,0.0f))) {} + ImGui::NextColumn(); + } + ImGui::Columns(1); + ImGui::Separator(); + + ImGui::Text("With border:"); + ImGui::Columns(4, "mycolumns"); // 4-ways, with border + ImGui::Separator(); + ImGui::Text("ID"); ImGui::NextColumn(); + ImGui::Text("Name"); ImGui::NextColumn(); + ImGui::Text("Path"); ImGui::NextColumn(); + ImGui::Text("Hovered"); ImGui::NextColumn(); + ImGui::Separator(); + const char* names[3] = { "One", "Two", "Three" }; + const char* paths[3] = { "/path/one", "/path/two", "/path/three" }; + static int selected = -1; + for (int i = 0; i < 3; i++) + { + char label[32]; + sprintf(label, "%04d", i); + if (ImGui::Selectable(label, selected == i, ImGuiSelectableFlags_SpanAllColumns)) + selected = i; + bool hovered = ImGui::IsItemHovered(); + ImGui::NextColumn(); + ImGui::Text(names[i]); ImGui::NextColumn(); + ImGui::Text(paths[i]); ImGui::NextColumn(); + ImGui::Text("%d", hovered); ImGui::NextColumn(); + } + ImGui::Columns(1); + ImGui::Separator(); + ImGui::TreePop(); + } + + if (ImGui::TreeNode("Borders")) + { + // NB: Future columns API should allow automatic horizontal borders. + static bool h_borders = true; + static bool v_borders = true; + static int columns_count = 4; + const int lines_count = 3; + ImGui::SetNextItemWidth(ImGui::GetFontSize() * 8); + ImGui::DragInt("##columns_count", &columns_count, 0.1f, 2, 10, "%d columns"); + if (columns_count < 2) + columns_count = 2; + ImGui::SameLine(); + ImGui::Checkbox("horizontal", &h_borders); + ImGui::SameLine(); + ImGui::Checkbox("vertical", &v_borders); + ImGui::Columns(columns_count, NULL, v_borders); + for (int i = 0; i < columns_count * lines_count; i++) + { + if (h_borders && ImGui::GetColumnIndex() == 0) + ImGui::Separator(); + ImGui::Text("%c%c%c", 'a' + i, 'a' + i, 'a' + i); + ImGui::Text("Width %.2f", ImGui::GetColumnWidth()); + ImGui::Text("Avail %.2f", ImGui::GetContentRegionAvail().x); + ImGui::Text("Offset %.2f", ImGui::GetColumnOffset()); + ImGui::Text("Long text that is likely to clip"); + ImGui::Button("Button", ImVec2(-FLT_MIN, 0.0f)); + ImGui::NextColumn(); + } + ImGui::Columns(1); + if (h_borders) + ImGui::Separator(); + ImGui::TreePop(); + } + + // Create multiple items in a same cell before switching to next column + if (ImGui::TreeNode("Mixed items")) + { + ImGui::Columns(3, "mixed"); + ImGui::Separator(); + + ImGui::Text("Hello"); + ImGui::Button("Banana"); + ImGui::NextColumn(); + + ImGui::Text("ImGui"); + ImGui::Button("Apple"); + static float foo = 1.0f; + ImGui::InputFloat("red", &foo, 0.05f, 0, "%.3f"); + ImGui::Text("An extra line here."); + ImGui::NextColumn(); + + ImGui::Text("Sailor"); + ImGui::Button("Corniflower"); + static float bar = 1.0f; + ImGui::InputFloat("blue", &bar, 0.05f, 0, "%.3f"); + ImGui::NextColumn(); + + if (ImGui::CollapsingHeader("Category A")) { ImGui::Text("Blah blah blah"); } ImGui::NextColumn(); + if (ImGui::CollapsingHeader("Category B")) { ImGui::Text("Blah blah blah"); } ImGui::NextColumn(); + if (ImGui::CollapsingHeader("Category C")) { ImGui::Text("Blah blah blah"); } ImGui::NextColumn(); + ImGui::Columns(1); + ImGui::Separator(); + ImGui::TreePop(); + } + + // Word wrapping + if (ImGui::TreeNode("Word-wrapping")) + { + ImGui::Columns(2, "word-wrapping"); + ImGui::Separator(); + ImGui::TextWrapped("The quick brown fox jumps over the lazy dog."); + ImGui::TextWrapped("Hello Left"); + ImGui::NextColumn(); + ImGui::TextWrapped("The quick brown fox jumps over the lazy dog."); + ImGui::TextWrapped("Hello Right"); + ImGui::Columns(1); + ImGui::Separator(); + ImGui::TreePop(); + } + + // Scrolling columns + /* + if (ImGui::TreeNode("Vertical Scrolling")) + { + ImGui::BeginChild("##header", ImVec2(0, ImGui::GetTextLineHeightWithSpacing()+ImGui::GetStyle().ItemSpacing.y)); + ImGui::Columns(3); + ImGui::Text("ID"); ImGui::NextColumn(); + ImGui::Text("Name"); ImGui::NextColumn(); + ImGui::Text("Path"); ImGui::NextColumn(); + ImGui::Columns(1); + ImGui::Separator(); + ImGui::EndChild(); + ImGui::BeginChild("##scrollingregion", ImVec2(0, 60)); + ImGui::Columns(3); + for (int i = 0; i < 10; i++) + { + ImGui::Text("%04d", i); ImGui::NextColumn(); + ImGui::Text("Foobar"); ImGui::NextColumn(); + ImGui::Text("/path/foobar/%04d/", i); ImGui::NextColumn(); + } + ImGui::Columns(1); + ImGui::EndChild(); + ImGui::TreePop(); + } + */ + + if (ImGui::TreeNode("Horizontal Scrolling")) + { + ImGui::SetNextWindowContentSize(ImVec2(1500.0f, 0.0f)); + ImGui::BeginChild("##ScrollingRegion", ImVec2(0, ImGui::GetFontSize() * 20), false, ImGuiWindowFlags_HorizontalScrollbar); + ImGui::Columns(10); + int ITEMS_COUNT = 2000; + ImGuiListClipper clipper(ITEMS_COUNT); // Also demonstrate using the clipper for large list + while (clipper.Step()) + { + for (int i = clipper.DisplayStart; i < clipper.DisplayEnd; i++) + for (int j = 0; j < 10; j++) + { + ImGui::Text("Line %d Column %d...", i, j); + ImGui::NextColumn(); + } + } + ImGui::Columns(1); + ImGui::EndChild(); + ImGui::TreePop(); + } + + if (ImGui::TreeNode("Tree")) + { + ImGui::Columns(2, "tree", true); + for (int x = 0; x < 3; x++) + { + bool open1 = ImGui::TreeNode((void*)(intptr_t)x, "Node%d", x); + ImGui::NextColumn(); + ImGui::Text("Node contents"); + ImGui::NextColumn(); + if (open1) + { + for (int y = 0; y < 3; y++) + { + bool open2 = ImGui::TreeNode((void*)(intptr_t)y, "Node%d.%d", x, y); + ImGui::NextColumn(); + ImGui::Text("Node contents"); + if (open2) + { + ImGui::Text("Even more contents"); + if (ImGui::TreeNode("Tree in column")) + { + ImGui::Text("The quick brown fox jumps over the lazy dog"); + ImGui::TreePop(); + } + } + ImGui::NextColumn(); + if (open2) + ImGui::TreePop(); + } + ImGui::TreePop(); + } + } + ImGui::Columns(1); + ImGui::TreePop(); + } + + if (disable_indent) + ImGui::PopStyleVar(); + ImGui::PopID(); +} + +static void ShowDemoWindowMisc() +{ + if (ImGui::CollapsingHeader("Filtering")) + { + // Helper class to easy setup a text filter. + // You may want to implement a more feature-full filtering scheme in your own application. + static ImGuiTextFilter filter; + ImGui::Text("Filter usage:\n" + " \"\" display all lines\n" + " \"xxx\" display lines containing \"xxx\"\n" + " \"xxx,yyy\" display lines containing \"xxx\" or \"yyy\"\n" + " \"-xxx\" hide lines containing \"xxx\""); + filter.Draw(); + const char* lines[] = { "aaa1.c", "bbb1.c", "ccc1.c", "aaa2.cpp", "bbb2.cpp", "ccc2.cpp", "abc.h", "hello, world" }; + for (int i = 0; i < IM_ARRAYSIZE(lines); i++) + if (filter.PassFilter(lines[i])) + ImGui::BulletText("%s", lines[i]); + } + + if (ImGui::CollapsingHeader("Inputs, Navigation & Focus")) + { + ImGuiIO& io = ImGui::GetIO(); + + // Display ImGuiIO output flags + ImGui::Text("WantCaptureMouse: %d", io.WantCaptureMouse); + ImGui::Text("WantCaptureKeyboard: %d", io.WantCaptureKeyboard); + ImGui::Text("WantTextInput: %d", io.WantTextInput); + ImGui::Text("WantSetMousePos: %d", io.WantSetMousePos); + ImGui::Text("NavActive: %d, NavVisible: %d", io.NavActive, io.NavVisible); + + // Display Keyboard/Mouse state + if (ImGui::TreeNode("Keyboard, Mouse & Navigation State")) + { + if (ImGui::IsMousePosValid()) + ImGui::Text("Mouse pos: (%g, %g)", io.MousePos.x, io.MousePos.y); + else + ImGui::Text("Mouse pos: "); + ImGui::Text("Mouse delta: (%g, %g)", io.MouseDelta.x, io.MouseDelta.y); + ImGui::Text("Mouse down:"); for (int i = 0; i < IM_ARRAYSIZE(io.MouseDown); i++) if (io.MouseDownDuration[i] >= 0.0f) { ImGui::SameLine(); ImGui::Text("b%d (%.02f secs)", i, io.MouseDownDuration[i]); } + ImGui::Text("Mouse clicked:"); for (int i = 0; i < IM_ARRAYSIZE(io.MouseDown); i++) if (ImGui::IsMouseClicked(i)) { ImGui::SameLine(); ImGui::Text("b%d", i); } + ImGui::Text("Mouse dbl-clicked:"); for (int i = 0; i < IM_ARRAYSIZE(io.MouseDown); i++) if (ImGui::IsMouseDoubleClicked(i)) { ImGui::SameLine(); ImGui::Text("b%d", i); } + ImGui::Text("Mouse released:"); for (int i = 0; i < IM_ARRAYSIZE(io.MouseDown); i++) if (ImGui::IsMouseReleased(i)) { ImGui::SameLine(); ImGui::Text("b%d", i); } + ImGui::Text("Mouse wheel: %.1f", io.MouseWheel); + + ImGui::Text("Keys down:"); for (int i = 0; i < IM_ARRAYSIZE(io.KeysDown); i++) if (io.KeysDownDuration[i] >= 0.0f) { ImGui::SameLine(); ImGui::Text("%d (0x%X) (%.02f secs)", i, i, io.KeysDownDuration[i]); } + ImGui::Text("Keys pressed:"); for (int i = 0; i < IM_ARRAYSIZE(io.KeysDown); i++) if (ImGui::IsKeyPressed(i)) { ImGui::SameLine(); ImGui::Text("%d (0x%X)", i, i); } + ImGui::Text("Keys release:"); for (int i = 0; i < IM_ARRAYSIZE(io.KeysDown); i++) if (ImGui::IsKeyReleased(i)) { ImGui::SameLine(); ImGui::Text("%d (0x%X)", i, i); } + ImGui::Text("Keys mods: %s%s%s%s", io.KeyCtrl ? "CTRL " : "", io.KeyShift ? "SHIFT " : "", io.KeyAlt ? "ALT " : "", io.KeySuper ? "SUPER " : ""); + ImGui::Text("Chars queue:"); for (int i = 0; i < io.InputQueueCharacters.Size; i++) { ImWchar c = io.InputQueueCharacters[i]; ImGui::SameLine(); ImGui::Text("\'%c\' (0x%04X)", (c > ' ' && c <= 255) ? (char)c : '?', c); } // FIXME: We should convert 'c' to UTF-8 here but the functions are not public. + + ImGui::Text("NavInputs down:"); for (int i = 0; i < IM_ARRAYSIZE(io.NavInputs); i++) if (io.NavInputs[i] > 0.0f) { ImGui::SameLine(); ImGui::Text("[%d] %.2f", i, io.NavInputs[i]); } + ImGui::Text("NavInputs pressed:"); for (int i = 0; i < IM_ARRAYSIZE(io.NavInputs); i++) if (io.NavInputsDownDuration[i] == 0.0f) { ImGui::SameLine(); ImGui::Text("[%d]", i); } + ImGui::Text("NavInputs duration:"); for (int i = 0; i < IM_ARRAYSIZE(io.NavInputs); i++) if (io.NavInputsDownDuration[i] >= 0.0f) { ImGui::SameLine(); ImGui::Text("[%d] %.2f", i, io.NavInputsDownDuration[i]); } + + ImGui::Button("Hovering me sets the\nkeyboard capture flag"); + if (ImGui::IsItemHovered()) + ImGui::CaptureKeyboardFromApp(true); + ImGui::SameLine(); + ImGui::Button("Holding me clears the\nthe keyboard capture flag"); + if (ImGui::IsItemActive()) + ImGui::CaptureKeyboardFromApp(false); + + ImGui::TreePop(); + } + + if (ImGui::TreeNode("Tabbing")) + { + ImGui::Text("Use TAB/SHIFT+TAB to cycle through keyboard editable fields."); + static char buf[32] = "dummy"; + ImGui::InputText("1", buf, IM_ARRAYSIZE(buf)); + ImGui::InputText("2", buf, IM_ARRAYSIZE(buf)); + ImGui::InputText("3", buf, IM_ARRAYSIZE(buf)); + ImGui::PushAllowKeyboardFocus(false); + ImGui::InputText("4 (tab skip)", buf, IM_ARRAYSIZE(buf)); + //ImGui::SameLine(); HelpMarker("Use ImGui::PushAllowKeyboardFocus(bool)\nto disable tabbing through certain widgets."); + ImGui::PopAllowKeyboardFocus(); + ImGui::InputText("5", buf, IM_ARRAYSIZE(buf)); + ImGui::TreePop(); + } + + if (ImGui::TreeNode("Focus from code")) + { + bool focus_1 = ImGui::Button("Focus on 1"); ImGui::SameLine(); + bool focus_2 = ImGui::Button("Focus on 2"); ImGui::SameLine(); + bool focus_3 = ImGui::Button("Focus on 3"); + int has_focus = 0; + static char buf[128] = "click on a button to set focus"; + + if (focus_1) ImGui::SetKeyboardFocusHere(); + ImGui::InputText("1", buf, IM_ARRAYSIZE(buf)); + if (ImGui::IsItemActive()) has_focus = 1; + + if (focus_2) ImGui::SetKeyboardFocusHere(); + ImGui::InputText("2", buf, IM_ARRAYSIZE(buf)); + if (ImGui::IsItemActive()) has_focus = 2; + + ImGui::PushAllowKeyboardFocus(false); + if (focus_3) ImGui::SetKeyboardFocusHere(); + ImGui::InputText("3 (tab skip)", buf, IM_ARRAYSIZE(buf)); + if (ImGui::IsItemActive()) has_focus = 3; + ImGui::PopAllowKeyboardFocus(); + + if (has_focus) + ImGui::Text("Item with focus: %d", has_focus); + else + ImGui::Text("Item with focus: "); + + // Use >= 0 parameter to SetKeyboardFocusHere() to focus an upcoming item + static float f3[3] = { 0.0f, 0.0f, 0.0f }; + int focus_ahead = -1; + if (ImGui::Button("Focus on X")) { focus_ahead = 0; } ImGui::SameLine(); + if (ImGui::Button("Focus on Y")) { focus_ahead = 1; } ImGui::SameLine(); + if (ImGui::Button("Focus on Z")) { focus_ahead = 2; } + if (focus_ahead != -1) ImGui::SetKeyboardFocusHere(focus_ahead); + ImGui::SliderFloat3("Float3", &f3[0], 0.0f, 1.0f); + + ImGui::TextWrapped("NB: Cursor & selection are preserved when refocusing last used item in code."); + ImGui::TreePop(); + } + + if (ImGui::TreeNode("Dragging")) + { + ImGui::TextWrapped("You can use ImGui::GetMouseDragDelta(0) to query for the dragged amount on any widget."); + for (int button = 0; button < 3; button++) + ImGui::Text("IsMouseDragging(%d):\n w/ default threshold: %d,\n w/ zero threshold: %d\n w/ large threshold: %d", + button, ImGui::IsMouseDragging(button), ImGui::IsMouseDragging(button, 0.0f), ImGui::IsMouseDragging(button, 20.0f)); + + ImGui::Button("Drag Me"); + if (ImGui::IsItemActive()) + ImGui::GetForegroundDrawList()->AddLine(io.MouseClickedPos[0], io.MousePos, ImGui::GetColorU32(ImGuiCol_Button), 4.0f); // Draw a line between the button and the mouse cursor + + // Drag operations gets "unlocked" when the mouse has moved past a certain threshold (the default threshold is stored in io.MouseDragThreshold) + // You can request a lower or higher threshold using the second parameter of IsMouseDragging() and GetMouseDragDelta() + ImVec2 value_raw = ImGui::GetMouseDragDelta(0, 0.0f); + ImVec2 value_with_lock_threshold = ImGui::GetMouseDragDelta(0); + ImVec2 mouse_delta = io.MouseDelta; + ImGui::Text("GetMouseDragDelta(0):\n w/ default threshold: (%.1f, %.1f),\n w/ zero threshold: (%.1f, %.1f)\nMouseDelta: (%.1f, %.1f)", value_with_lock_threshold.x, value_with_lock_threshold.y, value_raw.x, value_raw.y, mouse_delta.x, mouse_delta.y); + ImGui::TreePop(); + } + + if (ImGui::TreeNode("Mouse cursors")) + { + const char* mouse_cursors_names[] = { "Arrow", "TextInput", "ResizeAll", "ResizeNS", "ResizeEW", "ResizeNESW", "ResizeNWSE", "Hand", "NotAllowed" }; + IM_ASSERT(IM_ARRAYSIZE(mouse_cursors_names) == ImGuiMouseCursor_COUNT); + + ImGui::Text("Current mouse cursor = %d: %s", ImGui::GetMouseCursor(), mouse_cursors_names[ImGui::GetMouseCursor()]); + ImGui::Text("Hover to see mouse cursors:"); + ImGui::SameLine(); HelpMarker("Your application can render a different mouse cursor based on what ImGui::GetMouseCursor() returns. If software cursor rendering (io.MouseDrawCursor) is set ImGui will draw the right cursor for you, otherwise your backend needs to handle it."); + for (int i = 0; i < ImGuiMouseCursor_COUNT; i++) + { + char label[32]; + sprintf(label, "Mouse cursor %d: %s", i, mouse_cursors_names[i]); + ImGui::Bullet(); ImGui::Selectable(label, false); + if (ImGui::IsItemHovered() || ImGui::IsItemFocused()) + ImGui::SetMouseCursor(i); + } + ImGui::TreePop(); + } + } +} + +//----------------------------------------------------------------------------- +// [SECTION] About Window / ShowAboutWindow() +// Access from Dear ImGui Demo -> Tools -> About +//----------------------------------------------------------------------------- + +void ImGui::ShowAboutWindow(bool* p_open) +{ + if (!ImGui::Begin("About Dear ImGui", p_open, ImGuiWindowFlags_AlwaysAutoResize)) + { + ImGui::End(); + return; + } + ImGui::Text("Dear ImGui %s", ImGui::GetVersion()); + ImGui::Separator(); + ImGui::Text("By Omar Cornut and all Dear ImGui contributors."); + ImGui::Text("Dear ImGui is licensed under the MIT License, see LICENSE for more information."); + + static bool show_config_info = false; + ImGui::Checkbox("Config/Build Information", &show_config_info); + if (show_config_info) + { + ImGuiIO& io = ImGui::GetIO(); + ImGuiStyle& style = ImGui::GetStyle(); + + bool copy_to_clipboard = ImGui::Button("Copy to clipboard"); + ImGui::BeginChildFrame(ImGui::GetID("cfginfos"), ImVec2(0, ImGui::GetTextLineHeightWithSpacing() * 18), ImGuiWindowFlags_NoMove); + if (copy_to_clipboard) + { + ImGui::LogToClipboard(); + ImGui::LogText("```\n"); // Back quotes will make the text appears without formatting when pasting to GitHub + } + + ImGui::Text("Dear ImGui %s (%d)", IMGUI_VERSION, IMGUI_VERSION_NUM); + ImGui::Separator(); + ImGui::Text("sizeof(size_t): %d, sizeof(ImDrawIdx): %d, sizeof(ImDrawVert): %d", (int)sizeof(size_t), (int)sizeof(ImDrawIdx), (int)sizeof(ImDrawVert)); + ImGui::Text("define: __cplusplus=%d", (int)__cplusplus); +#ifdef IMGUI_DISABLE_OBSOLETE_FUNCTIONS + ImGui::Text("define: IMGUI_DISABLE_OBSOLETE_FUNCTIONS"); +#endif +#ifdef IMGUI_DISABLE_WIN32_DEFAULT_CLIPBOARD_FUNCTIONS + ImGui::Text("define: IMGUI_DISABLE_WIN32_DEFAULT_CLIPBOARD_FUNCTIONS"); +#endif +#ifdef IMGUI_DISABLE_WIN32_DEFAULT_IME_FUNCTIONS + ImGui::Text("define: IMGUI_DISABLE_WIN32_DEFAULT_IME_FUNCTIONS"); +#endif +#ifdef IMGUI_DISABLE_WIN32_FUNCTIONS + ImGui::Text("define: IMGUI_DISABLE_WIN32_FUNCTIONS"); +#endif +#ifdef IMGUI_DISABLE_DEFAULT_FORMAT_FUNCTIONS + ImGui::Text("define: IMGUI_DISABLE_DEFAULT_FORMAT_FUNCTIONS"); +#endif +#ifdef IMGUI_DISABLE_DEFAULT_MATH_FUNCTIONS + ImGui::Text("define: IMGUI_DISABLE_DEFAULT_MATH_FUNCTIONS"); +#endif +#ifdef IMGUI_DISABLE_DEFAULT_FILE_FUNCTIONS + ImGui::Text("define: IMGUI_DISABLE_DEFAULT_FILE_FUNCTIONS"); +#endif +#ifdef IMGUI_DISABLE_FILE_FUNCTIONS + ImGui::Text("define: IMGUI_DISABLE_FILE_FUNCTIONS"); +#endif +#ifdef IMGUI_DISABLE_DEFAULT_ALLOCATORS + ImGui::Text("define: IMGUI_DISABLE_DEFAULT_ALLOCATORS"); +#endif +#ifdef IMGUI_USE_BGRA_PACKED_COLOR + ImGui::Text("define: IMGUI_USE_BGRA_PACKED_COLOR"); +#endif +#ifdef _WIN32 + ImGui::Text("define: _WIN32"); +#endif +#ifdef _WIN64 + ImGui::Text("define: _WIN64"); +#endif +#ifdef __linux__ + ImGui::Text("define: __linux__"); +#endif +#ifdef __APPLE__ + ImGui::Text("define: __APPLE__"); +#endif +#ifdef _MSC_VER + ImGui::Text("define: _MSC_VER=%d", _MSC_VER); +#endif +#ifdef __MINGW32__ + ImGui::Text("define: __MINGW32__"); +#endif +#ifdef __MINGW64__ + ImGui::Text("define: __MINGW64__"); +#endif +#ifdef __GNUC__ + ImGui::Text("define: __GNUC__=%d", (int)__GNUC__); +#endif +#ifdef __clang_version__ + ImGui::Text("define: __clang_version__=%s", __clang_version__); +#endif + ImGui::Separator(); + ImGui::Text("io.BackendPlatformName: %s", io.BackendPlatformName ? io.BackendPlatformName : "NULL"); + ImGui::Text("io.BackendRendererName: %s", io.BackendRendererName ? io.BackendRendererName : "NULL"); + ImGui::Text("io.ConfigFlags: 0x%08X", io.ConfigFlags); + if (io.ConfigFlags & ImGuiConfigFlags_NavEnableKeyboard) ImGui::Text(" NavEnableKeyboard"); + if (io.ConfigFlags & ImGuiConfigFlags_NavEnableGamepad) ImGui::Text(" NavEnableGamepad"); + if (io.ConfigFlags & ImGuiConfigFlags_NavEnableSetMousePos) ImGui::Text(" NavEnableSetMousePos"); + if (io.ConfigFlags & ImGuiConfigFlags_NavNoCaptureKeyboard) ImGui::Text(" NavNoCaptureKeyboard"); + if (io.ConfigFlags & ImGuiConfigFlags_NoMouse) ImGui::Text(" NoMouse"); + if (io.ConfigFlags & ImGuiConfigFlags_NoMouseCursorChange) ImGui::Text(" NoMouseCursorChange"); + if (io.MouseDrawCursor) ImGui::Text("io.MouseDrawCursor"); + if (io.ConfigMacOSXBehaviors) ImGui::Text("io.ConfigMacOSXBehaviors"); + if (io.ConfigInputTextCursorBlink) ImGui::Text("io.ConfigInputTextCursorBlink"); + if (io.ConfigWindowsResizeFromEdges) ImGui::Text("io.ConfigWindowsResizeFromEdges"); + if (io.ConfigWindowsMoveFromTitleBarOnly) ImGui::Text("io.ConfigWindowsMoveFromTitleBarOnly"); + if (io.ConfigWindowsMemoryCompactTimer >= 0.0f) ImGui::Text("io.ConfigWindowsMemoryCompactTimer = %.1ff", io.ConfigWindowsMemoryCompactTimer); + ImGui::Text("io.BackendFlags: 0x%08X", io.BackendFlags); + if (io.BackendFlags & ImGuiBackendFlags_HasGamepad) ImGui::Text(" HasGamepad"); + if (io.BackendFlags & ImGuiBackendFlags_HasMouseCursors) ImGui::Text(" HasMouseCursors"); + if (io.BackendFlags & ImGuiBackendFlags_HasSetMousePos) ImGui::Text(" HasSetMousePos"); + if (io.BackendFlags & ImGuiBackendFlags_RendererHasVtxOffset) ImGui::Text(" RendererHasVtxOffset"); + ImGui::Separator(); + ImGui::Text("io.Fonts: %d fonts, Flags: 0x%08X, TexSize: %d,%d", io.Fonts->Fonts.Size, io.Fonts->Flags, io.Fonts->TexWidth, io.Fonts->TexHeight); + ImGui::Text("io.DisplaySize: %.2f,%.2f", io.DisplaySize.x, io.DisplaySize.y); + ImGui::Text("io.DisplayFramebufferScale: %.2f,%.2f", io.DisplayFramebufferScale.x, io.DisplayFramebufferScale.y); + ImGui::Separator(); + ImGui::Text("style.WindowPadding: %.2f,%.2f", style.WindowPadding.x, style.WindowPadding.y); + ImGui::Text("style.WindowBorderSize: %.2f", style.WindowBorderSize); + ImGui::Text("style.FramePadding: %.2f,%.2f", style.FramePadding.x, style.FramePadding.y); + ImGui::Text("style.FrameRounding: %.2f", style.FrameRounding); + ImGui::Text("style.FrameBorderSize: %.2f", style.FrameBorderSize); + ImGui::Text("style.ItemSpacing: %.2f,%.2f", style.ItemSpacing.x, style.ItemSpacing.y); + ImGui::Text("style.ItemInnerSpacing: %.2f,%.2f", style.ItemInnerSpacing.x, style.ItemInnerSpacing.y); + + if (copy_to_clipboard) + { + ImGui::LogText("\n```\n"); + ImGui::LogFinish(); + } + ImGui::EndChildFrame(); + } + ImGui::End(); +} + +//----------------------------------------------------------------------------- +// [SECTION] Style Editor / ShowStyleEditor() +//----------------------------------------------------------------------------- +// - ShowStyleSelector() +// - ShowFontSelector() +// - ShowStyleEditor() +//----------------------------------------------------------------------------- + +// Demo helper function to select among default colors. See ShowStyleEditor() for more advanced options. +// Here we use the simplified Combo() api that packs items into a single literal string. Useful for quick combo boxes where the choices are known locally. +bool ImGui::ShowStyleSelector(const char* label) +{ + static int style_idx = -1; + if (ImGui::Combo(label, &style_idx, "Classic\0Dark\0Light\0")) + { + switch (style_idx) + { + case 0: ImGui::StyleColorsClassic(); break; + case 1: ImGui::StyleColorsDark(); break; + case 2: ImGui::StyleColorsLight(); break; + } + return true; + } + return false; +} + +// Demo helper function to select among loaded fonts. +// Here we use the regular BeginCombo()/EndCombo() api which is more the more flexible one. +void ImGui::ShowFontSelector(const char* label) +{ + ImGuiIO& io = ImGui::GetIO(); + ImFont* font_current = ImGui::GetFont(); + if (ImGui::BeginCombo(label, font_current->GetDebugName())) + { + for (int n = 0; n < io.Fonts->Fonts.Size; n++) + { + ImFont* font = io.Fonts->Fonts[n]; + ImGui::PushID((void*)font); + if (ImGui::Selectable(font->GetDebugName(), font == font_current)) + io.FontDefault = font; + ImGui::PopID(); + } + ImGui::EndCombo(); + } + ImGui::SameLine(); + HelpMarker( + "- Load additional fonts with io.Fonts->AddFontFromFileTTF().\n" + "- The font atlas is built when calling io.Fonts->GetTexDataAsXXXX() or io.Fonts->Build().\n" + "- Read FAQ and docs/FONTS.txt for more details.\n" + "- If you need to add/remove fonts at runtime (e.g. for DPI change), do it before calling NewFrame()."); +} + +void ImGui::ShowStyleEditor(ImGuiStyle* ref) +{ + // You can pass in a reference ImGuiStyle structure to compare to, revert to and save to (else it compares to an internally stored reference) + ImGuiStyle& style = ImGui::GetStyle(); + static ImGuiStyle ref_saved_style; + + // Default to using internal storage as reference + static bool init = true; + if (init && ref == NULL) + ref_saved_style = style; + init = false; + if (ref == NULL) + ref = &ref_saved_style; + + ImGui::PushItemWidth(ImGui::GetWindowWidth() * 0.50f); + + if (ImGui::ShowStyleSelector("Colors##Selector")) + ref_saved_style = style; + ImGui::ShowFontSelector("Fonts##Selector"); + + // Simplified Settings + if (ImGui::SliderFloat("FrameRounding", &style.FrameRounding, 0.0f, 12.0f, "%.0f")) + style.GrabRounding = style.FrameRounding; // Make GrabRounding always the same value as FrameRounding + { bool window_border = (style.WindowBorderSize > 0.0f); if (ImGui::Checkbox("WindowBorder", &window_border)) style.WindowBorderSize = window_border ? 1.0f : 0.0f; } + ImGui::SameLine(); + { bool frame_border = (style.FrameBorderSize > 0.0f); if (ImGui::Checkbox("FrameBorder", &frame_border)) style.FrameBorderSize = frame_border ? 1.0f : 0.0f; } + ImGui::SameLine(); + { bool popup_border = (style.PopupBorderSize > 0.0f); if (ImGui::Checkbox("PopupBorder", &popup_border)) style.PopupBorderSize = popup_border ? 1.0f : 0.0f; } + + // Save/Revert button + if (ImGui::Button("Save Ref")) + *ref = ref_saved_style = style; + ImGui::SameLine(); + if (ImGui::Button("Revert Ref")) + style = *ref; + ImGui::SameLine(); + HelpMarker("Save/Revert in local non-persistent storage. Default Colors definition are not affected. Use \"Export\" below to save them somewhere."); + + ImGui::Separator(); + + if (ImGui::BeginTabBar("##tabs", ImGuiTabBarFlags_None)) + { + if (ImGui::BeginTabItem("Sizes")) + { + ImGui::Text("Main"); + ImGui::SliderFloat2("WindowPadding", (float*)&style.WindowPadding, 0.0f, 20.0f, "%.0f"); + ImGui::SliderFloat2("FramePadding", (float*)&style.FramePadding, 0.0f, 20.0f, "%.0f"); + ImGui::SliderFloat2("ItemSpacing", (float*)&style.ItemSpacing, 0.0f, 20.0f, "%.0f"); + ImGui::SliderFloat2("ItemInnerSpacing", (float*)&style.ItemInnerSpacing, 0.0f, 20.0f, "%.0f"); + ImGui::SliderFloat2("TouchExtraPadding", (float*)&style.TouchExtraPadding, 0.0f, 10.0f, "%.0f"); + ImGui::SliderFloat("IndentSpacing", &style.IndentSpacing, 0.0f, 30.0f, "%.0f"); + ImGui::SliderFloat("ScrollbarSize", &style.ScrollbarSize, 1.0f, 20.0f, "%.0f"); + ImGui::SliderFloat("GrabMinSize", &style.GrabMinSize, 1.0f, 20.0f, "%.0f"); + ImGui::Text("Borders"); + ImGui::SliderFloat("WindowBorderSize", &style.WindowBorderSize, 0.0f, 1.0f, "%.0f"); + ImGui::SliderFloat("ChildBorderSize", &style.ChildBorderSize, 0.0f, 1.0f, "%.0f"); + ImGui::SliderFloat("PopupBorderSize", &style.PopupBorderSize, 0.0f, 1.0f, "%.0f"); + ImGui::SliderFloat("FrameBorderSize", &style.FrameBorderSize, 0.0f, 1.0f, "%.0f"); + ImGui::SliderFloat("TabBorderSize", &style.TabBorderSize, 0.0f, 1.0f, "%.0f"); + ImGui::Text("Rounding"); + ImGui::SliderFloat("WindowRounding", &style.WindowRounding, 0.0f, 12.0f, "%.0f"); + ImGui::SliderFloat("ChildRounding", &style.ChildRounding, 0.0f, 12.0f, "%.0f"); + ImGui::SliderFloat("FrameRounding", &style.FrameRounding, 0.0f, 12.0f, "%.0f"); + ImGui::SliderFloat("PopupRounding", &style.PopupRounding, 0.0f, 12.0f, "%.0f"); + ImGui::SliderFloat("ScrollbarRounding", &style.ScrollbarRounding, 0.0f, 12.0f, "%.0f"); + ImGui::SliderFloat("GrabRounding", &style.GrabRounding, 0.0f, 12.0f, "%.0f"); + ImGui::SliderFloat("TabRounding", &style.TabRounding, 0.0f, 12.0f, "%.0f"); + ImGui::Text("Alignment"); + ImGui::SliderFloat2("WindowTitleAlign", (float*)&style.WindowTitleAlign, 0.0f, 1.0f, "%.2f"); + int window_menu_button_position = style.WindowMenuButtonPosition + 1; + if (ImGui::Combo("WindowMenuButtonPosition", (int*)&window_menu_button_position, "None\0Left\0Right\0")) + style.WindowMenuButtonPosition = window_menu_button_position - 1; + ImGui::Combo("ColorButtonPosition", (int*)&style.ColorButtonPosition, "Left\0Right\0"); + ImGui::SliderFloat2("ButtonTextAlign", (float*)&style.ButtonTextAlign, 0.0f, 1.0f, "%.2f"); ImGui::SameLine(); HelpMarker("Alignment applies when a button is larger than its text content."); + ImGui::SliderFloat2("SelectableTextAlign", (float*)&style.SelectableTextAlign, 0.0f, 1.0f, "%.2f"); ImGui::SameLine(); HelpMarker("Alignment applies when a selectable is larger than its text content."); + ImGui::Text("Safe Area Padding"); ImGui::SameLine(); HelpMarker("Adjust if you cannot see the edges of your screen (e.g. on a TV where scaling has not been configured)."); + ImGui::SliderFloat2("DisplaySafeAreaPadding", (float*)&style.DisplaySafeAreaPadding, 0.0f, 30.0f, "%.0f"); + ImGui::EndTabItem(); + } + + if (ImGui::BeginTabItem("Colors")) + { + static int output_dest = 0; + static bool output_only_modified = true; + if (ImGui::Button("Export")) + { + if (output_dest == 0) + ImGui::LogToClipboard(); + else + ImGui::LogToTTY(); + ImGui::LogText("ImVec4* colors = ImGui::GetStyle().Colors;" IM_NEWLINE); + for (int i = 0; i < ImGuiCol_COUNT; i++) + { + const ImVec4& col = style.Colors[i]; + const char* name = ImGui::GetStyleColorName(i); + if (!output_only_modified || memcmp(&col, &ref->Colors[i], sizeof(ImVec4)) != 0) + ImGui::LogText("colors[ImGuiCol_%s]%*s= ImVec4(%.2ff, %.2ff, %.2ff, %.2ff);" IM_NEWLINE, name, 23 - (int)strlen(name), "", col.x, col.y, col.z, col.w); + } + ImGui::LogFinish(); + } + ImGui::SameLine(); ImGui::SetNextItemWidth(120); ImGui::Combo("##output_type", &output_dest, "To Clipboard\0To TTY\0"); + ImGui::SameLine(); ImGui::Checkbox("Only Modified Colors", &output_only_modified); + + static ImGuiTextFilter filter; + filter.Draw("Filter colors", ImGui::GetFontSize() * 16); + + static ImGuiColorEditFlags alpha_flags = 0; + if (ImGui::RadioButton("Opaque", alpha_flags == 0)) { alpha_flags = 0; } ImGui::SameLine(); + if (ImGui::RadioButton("Alpha", alpha_flags == ImGuiColorEditFlags_AlphaPreview)) { alpha_flags = ImGuiColorEditFlags_AlphaPreview; } ImGui::SameLine(); + if (ImGui::RadioButton("Both", alpha_flags == ImGuiColorEditFlags_AlphaPreviewHalf)) { alpha_flags = ImGuiColorEditFlags_AlphaPreviewHalf; } ImGui::SameLine(); + HelpMarker("In the color list:\nLeft-click on colored square to open color picker,\nRight-click to open edit options menu."); + + ImGui::BeginChild("##colors", ImVec2(0, 0), true, ImGuiWindowFlags_AlwaysVerticalScrollbar | ImGuiWindowFlags_AlwaysHorizontalScrollbar | ImGuiWindowFlags_NavFlattened); + ImGui::PushItemWidth(-160); + for (int i = 0; i < ImGuiCol_COUNT; i++) + { + const char* name = ImGui::GetStyleColorName(i); + if (!filter.PassFilter(name)) + continue; + ImGui::PushID(i); + ImGui::ColorEdit4("##color", (float*)&style.Colors[i], ImGuiColorEditFlags_AlphaBar | alpha_flags); + if (memcmp(&style.Colors[i], &ref->Colors[i], sizeof(ImVec4)) != 0) + { + // Tips: in a real user application, you may want to merge and use an icon font into the main font, so instead of "Save"/"Revert" you'd use icons. + // Read the FAQ and docs/FONTS.txt about using icon fonts. It's really easy and super convenient! + ImGui::SameLine(0.0f, style.ItemInnerSpacing.x); if (ImGui::Button("Save")) ref->Colors[i] = style.Colors[i]; + ImGui::SameLine(0.0f, style.ItemInnerSpacing.x); if (ImGui::Button("Revert")) style.Colors[i] = ref->Colors[i]; + } + ImGui::SameLine(0.0f, style.ItemInnerSpacing.x); + ImGui::TextUnformatted(name); + ImGui::PopID(); + } + ImGui::PopItemWidth(); + ImGui::EndChild(); + + ImGui::EndTabItem(); + } + + if (ImGui::BeginTabItem("Fonts")) + { + ImGuiIO& io = ImGui::GetIO(); + ImFontAtlas* atlas = io.Fonts; + HelpMarker("Read FAQ and docs/FONTS.txt for details on font loading."); + ImGui::PushItemWidth(120); + for (int i = 0; i < atlas->Fonts.Size; i++) + { + ImFont* font = atlas->Fonts[i]; + ImGui::PushID(font); + bool font_details_opened = ImGui::TreeNode(font, "Font %d: \"%s\"\n%.2f px, %d glyphs, %d file(s)", i, font->ConfigData ? font->ConfigData[0].Name : "", font->FontSize, font->Glyphs.Size, font->ConfigDataCount); + ImGui::SameLine(); if (ImGui::SmallButton("Set as default")) { io.FontDefault = font; } + if (font_details_opened) + { + ImGui::PushFont(font); + ImGui::Text("The quick brown fox jumps over the lazy dog"); + ImGui::PopFont(); + ImGui::DragFloat("Font scale", &font->Scale, 0.005f, 0.3f, 2.0f, "%.1f"); // Scale only this font + ImGui::SameLine(); HelpMarker("Note than the default embedded font is NOT meant to be scaled.\n\nFont are currently rendered into bitmaps at a given size at the time of building the atlas. You may oversample them to get some flexibility with scaling. You can also render at multiple sizes and select which one to use at runtime.\n\n(Glimmer of hope: the atlas system should hopefully be rewritten in the future to make scaling more natural and automatic.)"); + ImGui::InputFloat("Font offset", &font->DisplayOffset.y, 1, 1, "%.0f"); + ImGui::Text("Ascent: %f, Descent: %f, Height: %f", font->Ascent, font->Descent, font->Ascent - font->Descent); + ImGui::Text("Fallback character: '%c' (U+%04X)", font->FallbackChar, font->FallbackChar); + ImGui::Text("Ellipsis character: '%c' (U+%04X)", font->EllipsisChar, font->EllipsisChar); + const float surface_sqrt = sqrtf((float)font->MetricsTotalSurface); + ImGui::Text("Texture Area: about %d px ~%dx%d px", font->MetricsTotalSurface, (int)surface_sqrt, (int)surface_sqrt); + for (int config_i = 0; config_i < font->ConfigDataCount; config_i++) + if (font->ConfigData) + if (const ImFontConfig* cfg = &font->ConfigData[config_i]) + ImGui::BulletText("Input %d: \'%s\', Oversample: (%d,%d), PixelSnapH: %d", config_i, cfg->Name, cfg->OversampleH, cfg->OversampleV, cfg->PixelSnapH); + if (ImGui::TreeNode("Glyphs", "Glyphs (%d)", font->Glyphs.Size)) + { + // Display all glyphs of the fonts in separate pages of 256 characters + for (unsigned int base = 0; base <= IM_UNICODE_CODEPOINT_MAX; base += 256) + { + // Skip ahead if a large bunch of glyphs are not present in the font (test in chunks of 4k) + // This is only a small optimization to reduce the number of iterations when IM_UNICODE_MAX_CODEPOINT is large. + // (if ImWchar==ImWchar32 we will do at least about 272 queries here) + if (!(base & 4095) && font->IsGlyphRangeUnused(base, base + 4095)) + { + base += 4096 - 256; + continue; + } + + int count = 0; + for (unsigned int n = 0; n < 256; n++) + count += font->FindGlyphNoFallback((ImWchar)(base + n)) ? 1 : 0; + if (count > 0 && ImGui::TreeNode((void*)(intptr_t)base, "U+%04X..U+%04X (%d %s)", base, base + 255, count, count > 1 ? "glyphs" : "glyph")) + { + float cell_size = font->FontSize * 1; + float cell_spacing = style.ItemSpacing.y; + ImVec2 base_pos = ImGui::GetCursorScreenPos(); + ImDrawList* draw_list = ImGui::GetWindowDrawList(); + for (unsigned int n = 0; n < 256; n++) + { + ImVec2 cell_p1(base_pos.x + (n % 16) * (cell_size + cell_spacing), base_pos.y + (n / 16) * (cell_size + cell_spacing)); + ImVec2 cell_p2(cell_p1.x + cell_size, cell_p1.y + cell_size); + const ImFontGlyph* glyph = font->FindGlyphNoFallback((ImWchar)(base + n)); + draw_list->AddRect(cell_p1, cell_p2, glyph ? IM_COL32(255, 255, 255, 100) : IM_COL32(255, 255, 255, 50)); + if (glyph) + font->RenderChar(draw_list, cell_size, cell_p1, ImGui::GetColorU32(ImGuiCol_Text), (ImWchar)(base + n)); // We use ImFont::RenderChar as a shortcut because we don't have UTF-8 conversion functions available to generate a string. + if (glyph && ImGui::IsMouseHoveringRect(cell_p1, cell_p2)) + { + ImGui::BeginTooltip(); + ImGui::Text("Codepoint: U+%04X", base + n); + ImGui::Separator(); + ImGui::Text("Visible: %d", glyph->Visible); + ImGui::Text("AdvanceX: %.1f", glyph->AdvanceX); + ImGui::Text("Pos: (%.2f,%.2f)->(%.2f,%.2f)", glyph->X0, glyph->Y0, glyph->X1, glyph->Y1); + ImGui::Text("UV: (%.3f,%.3f)->(%.3f,%.3f)", glyph->U0, glyph->V0, glyph->U1, glyph->V1); + ImGui::EndTooltip(); + } + } + ImGui::Dummy(ImVec2((cell_size + cell_spacing) * 16, (cell_size + cell_spacing) * 16)); + ImGui::TreePop(); + } + } + ImGui::TreePop(); + } + ImGui::TreePop(); + } + ImGui::PopID(); + } + if (ImGui::TreeNode("Atlas texture", "Atlas texture (%dx%d pixels)", atlas->TexWidth, atlas->TexHeight)) + { + ImVec4 tint_col = ImVec4(1.0f, 1.0f, 1.0f, 1.0f); + ImVec4 border_col = ImVec4(1.0f, 1.0f, 1.0f, 0.5f); + ImGui::Image(atlas->TexID, ImVec2((float)atlas->TexWidth, (float)atlas->TexHeight), ImVec2(0, 0), ImVec2(1, 1), tint_col, border_col); + ImGui::TreePop(); + } + + HelpMarker("Those are old settings provided for convenience.\nHowever, the _correct_ way of scaling your UI is currently to reload your font at the designed size, rebuild the font atlas, and call style.ScaleAllSizes() on a reference ImGuiStyle structure."); + static float window_scale = 1.0f; + if (ImGui::DragFloat("window scale", &window_scale, 0.005f, 0.3f, 2.0f, "%.2f")) // scale only this window + ImGui::SetWindowFontScale(window_scale); + ImGui::DragFloat("global scale", &io.FontGlobalScale, 0.005f, 0.3f, 2.0f, "%.2f"); // scale everything + ImGui::PopItemWidth(); + + ImGui::EndTabItem(); + } + + if (ImGui::BeginTabItem("Rendering")) + { + ImGui::Checkbox("Anti-aliased lines", &style.AntiAliasedLines); ImGui::SameLine(); HelpMarker("When disabling anti-aliasing lines, you'll probably want to disable borders in your style as well."); + ImGui::Checkbox("Anti-aliased fill", &style.AntiAliasedFill); + ImGui::PushItemWidth(100); + ImGui::DragFloat("Curve Tessellation Tolerance", &style.CurveTessellationTol, 0.02f, 0.10f, 10.0f, "%.2f"); + if (style.CurveTessellationTol < 0.10f) style.CurveTessellationTol = 0.10f; + ImGui::DragFloat("Circle segment Max Error", &style.CircleSegmentMaxError, 0.01f, 0.10f, 10.0f, "%.2f"); + ImGui::DragFloat("Global Alpha", &style.Alpha, 0.005f, 0.20f, 1.0f, "%.2f"); // Not exposing zero here so user doesn't "lose" the UI (zero alpha clips all widgets). But application code could have a toggle to switch between zero and non-zero. + ImGui::PopItemWidth(); + + ImGui::EndTabItem(); + } + + ImGui::EndTabBar(); + } + + ImGui::PopItemWidth(); +} + +//----------------------------------------------------------------------------- +// [SECTION] Example App: Main Menu Bar / ShowExampleAppMainMenuBar() +//----------------------------------------------------------------------------- +// - ShowExampleAppMainMenuBar() +// - ShowExampleMenuFile() +//----------------------------------------------------------------------------- + +// Demonstrate creating a "main" fullscreen menu bar and populating it. +// Note the difference between BeginMainMenuBar() and BeginMenuBar(): +// - BeginMenuBar() = menu-bar inside current window we Begin()-ed into (the window needs the ImGuiWindowFlags_MenuBar flag) +// - BeginMainMenuBar() = helper to create menu-bar-sized window at the top of the main viewport + call BeginMenuBar() into it. +static void ShowExampleAppMainMenuBar() +{ + if (ImGui::BeginMainMenuBar()) + { + if (ImGui::BeginMenu("File")) + { + ShowExampleMenuFile(); + ImGui::EndMenu(); + } + if (ImGui::BeginMenu("Edit")) + { + if (ImGui::MenuItem("Undo", "CTRL+Z")) {} + if (ImGui::MenuItem("Redo", "CTRL+Y", false, false)) {} // Disabled item + ImGui::Separator(); + if (ImGui::MenuItem("Cut", "CTRL+X")) {} + if (ImGui::MenuItem("Copy", "CTRL+C")) {} + if (ImGui::MenuItem("Paste", "CTRL+V")) {} + ImGui::EndMenu(); + } + ImGui::EndMainMenuBar(); + } +} + +// Note that shortcuts are currently provided for display only (future version will add flags to BeginMenu to process shortcuts) +static void ShowExampleMenuFile() +{ + ImGui::MenuItem("(dummy menu)", NULL, false, false); + if (ImGui::MenuItem("New")) {} + if (ImGui::MenuItem("Open", "Ctrl+O")) {} + if (ImGui::BeginMenu("Open Recent")) + { + ImGui::MenuItem("fish_hat.c"); + ImGui::MenuItem("fish_hat.inl"); + ImGui::MenuItem("fish_hat.h"); + if (ImGui::BeginMenu("More..")) + { + ImGui::MenuItem("Hello"); + ImGui::MenuItem("Sailor"); + if (ImGui::BeginMenu("Recurse..")) + { + ShowExampleMenuFile(); + ImGui::EndMenu(); + } + ImGui::EndMenu(); + } + ImGui::EndMenu(); + } + if (ImGui::MenuItem("Save", "Ctrl+S")) {} + if (ImGui::MenuItem("Save As..")) {} + + ImGui::Separator(); + if (ImGui::BeginMenu("Options")) + { + static bool enabled = true; + ImGui::MenuItem("Enabled", "", &enabled); + ImGui::BeginChild("child", ImVec2(0, 60), true); + for (int i = 0; i < 10; i++) + ImGui::Text("Scrolling Text %d", i); + ImGui::EndChild(); + static float f = 0.5f; + static int n = 0; + ImGui::SliderFloat("Value", &f, 0.0f, 1.0f); + ImGui::InputFloat("Input", &f, 0.1f); + ImGui::Combo("Combo", &n, "Yes\0No\0Maybe\0\0"); + ImGui::EndMenu(); + } + + if (ImGui::BeginMenu("Colors")) + { + float sz = ImGui::GetTextLineHeight(); + for (int i = 0; i < ImGuiCol_COUNT; i++) + { + const char* name = ImGui::GetStyleColorName((ImGuiCol)i); + ImVec2 p = ImGui::GetCursorScreenPos(); + ImGui::GetWindowDrawList()->AddRectFilled(p, ImVec2(p.x+sz, p.y+sz), ImGui::GetColorU32((ImGuiCol)i)); + ImGui::Dummy(ImVec2(sz, sz)); + ImGui::SameLine(); + ImGui::MenuItem(name); + } + ImGui::EndMenu(); + } + + // Here we demonstrate appending again to the "Options" menu (which we already created above) + // Of course in this demo it is a little bit silly that this function calls BeginMenu("Options") twice. + // In a real code-base using it would make senses to use this feature from very different code locations. + if (ImGui::BeginMenu("Options")) // <-- Append! + { + static bool b = true; + ImGui::Checkbox("SomeOption", &b); + ImGui::EndMenu(); + } + + if (ImGui::BeginMenu("Disabled", false)) // Disabled + { + IM_ASSERT(0); + } + if (ImGui::MenuItem("Checked", NULL, true)) {} + if (ImGui::MenuItem("Quit", "Alt+F4")) {} +} + +//----------------------------------------------------------------------------- +// [SECTION] Example App: Debug Console / ShowExampleAppConsole() +//----------------------------------------------------------------------------- + +// Demonstrate creating a simple console window, with scrolling, filtering, completion and history. +// For the console example, here we are using a more C++ like approach of declaring a class to hold the data and the functions. +struct ExampleAppConsole +{ + char InputBuf[256]; + ImVector Items; + ImVector Commands; + ImVector History; + int HistoryPos; // -1: new line, 0..History.Size-1 browsing history. + ImGuiTextFilter Filter; + bool AutoScroll; + bool ScrollToBottom; + + ExampleAppConsole() + { + ClearLog(); + memset(InputBuf, 0, sizeof(InputBuf)); + HistoryPos = -1; + Commands.push_back("HELP"); + Commands.push_back("HISTORY"); + Commands.push_back("CLEAR"); + Commands.push_back("CLASSIFY"); // "classify" is only here to provide an example of "C"+[tab] completing to "CL" and displaying matches. + AutoScroll = true; + ScrollToBottom = false; + AddLog("Welcome to Dear ImGui!"); + } + ~ExampleAppConsole() + { + ClearLog(); + for (int i = 0; i < History.Size; i++) + free(History[i]); + } + + // Portable helpers + static int Stricmp(const char* str1, const char* str2) { int d; while ((d = toupper(*str2) - toupper(*str1)) == 0 && *str1) { str1++; str2++; } return d; } + static int Strnicmp(const char* str1, const char* str2, int n) { int d = 0; while (n > 0 && (d = toupper(*str2) - toupper(*str1)) == 0 && *str1) { str1++; str2++; n--; } return d; } + static char* Strdup(const char *str) { size_t len = strlen(str) + 1; void* buf = malloc(len); IM_ASSERT(buf); return (char*)memcpy(buf, (const void*)str, len); } + static void Strtrim(char* str) { char* str_end = str + strlen(str); while (str_end > str && str_end[-1] == ' ') str_end--; *str_end = 0; } + + void ClearLog() + { + for (int i = 0; i < Items.Size; i++) + free(Items[i]); + Items.clear(); + } + + void AddLog(const char* fmt, ...) IM_FMTARGS(2) + { + // FIXME-OPT + char buf[1024]; + va_list args; + va_start(args, fmt); + vsnprintf(buf, IM_ARRAYSIZE(buf), fmt, args); + buf[IM_ARRAYSIZE(buf)-1] = 0; + va_end(args); + Items.push_back(Strdup(buf)); + } + + void Draw(const char* title, bool* p_open) + { + ImGui::SetNextWindowSize(ImVec2(520,600), ImGuiCond_FirstUseEver); + if (!ImGui::Begin(title, p_open)) + { + ImGui::End(); + return; + } + + // As a specific feature guaranteed by the library, after calling Begin() the last Item represent the title bar. So e.g. IsItemHovered() will return true when hovering the title bar. + // Here we create a context menu only available from the title bar. + if (ImGui::BeginPopupContextItem()) + { + if (ImGui::MenuItem("Close Console")) + *p_open = false; + ImGui::EndPopup(); + } + + ImGui::TextWrapped("This example implements a console with basic coloring, completion and history. A more elaborate implementation may want to store entries along with extra data such as timestamp, emitter, etc."); + ImGui::TextWrapped("Enter 'HELP' for help, press TAB to use text completion."); + + // TODO: display items starting from the bottom + + if (ImGui::SmallButton("Add Dummy Text")) { AddLog("%d some text", Items.Size); AddLog("some more text"); AddLog("display very important message here!"); } ImGui::SameLine(); + if (ImGui::SmallButton("Add Dummy Error")) { AddLog("[error] something went wrong"); } ImGui::SameLine(); + if (ImGui::SmallButton("Clear")) { ClearLog(); } ImGui::SameLine(); + bool copy_to_clipboard = ImGui::SmallButton("Copy"); + //static float t = 0.0f; if (ImGui::GetTime() - t > 0.02f) { t = ImGui::GetTime(); AddLog("Spam %f", t); } + + ImGui::Separator(); + + // Options menu + if (ImGui::BeginPopup("Options")) + { + ImGui::Checkbox("Auto-scroll", &AutoScroll); + ImGui::EndPopup(); + } + + // Options, Filter + if (ImGui::Button("Options")) + ImGui::OpenPopup("Options"); + ImGui::SameLine(); + Filter.Draw("Filter (\"incl,-excl\") (\"error\")", 180); + ImGui::Separator(); + + const float footer_height_to_reserve = ImGui::GetStyle().ItemSpacing.y + ImGui::GetFrameHeightWithSpacing(); // 1 separator, 1 input text + ImGui::BeginChild("ScrollingRegion", ImVec2(0, -footer_height_to_reserve), false, ImGuiWindowFlags_HorizontalScrollbar); // Leave room for 1 separator + 1 InputText + if (ImGui::BeginPopupContextWindow()) + { + if (ImGui::Selectable("Clear")) ClearLog(); + ImGui::EndPopup(); + } + + // Display every line as a separate entry so we can change their color or add custom widgets. If you only want raw text you can use ImGui::TextUnformatted(log.begin(), log.end()); + // NB- if you have thousands of entries this approach may be too inefficient and may require user-side clipping to only process visible items. + // You can seek and display only the lines that are visible using the ImGuiListClipper helper, if your elements are evenly spaced and you have cheap random access to the elements. + // To use the clipper we could replace the 'for (int i = 0; i < Items.Size; i++)' loop with: + // ImGuiListClipper clipper(Items.Size); + // while (clipper.Step()) + // for (int i = clipper.DisplayStart; i < clipper.DisplayEnd; i++) + // However, note that you can not use this code as is if a filter is active because it breaks the 'cheap random-access' property. We would need random-access on the post-filtered list. + // A typical application wanting coarse clipping and filtering may want to pre-compute an array of indices that passed the filtering test, recomputing this array when user changes the filter, + // and appending newly elements as they are inserted. This is left as a task to the user until we can manage to improve this example code! + // If your items are of variable size you may want to implement code similar to what ImGuiListClipper does. Or split your data into fixed height items to allow random-seeking into your list. + ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(4,1)); // Tighten spacing + if (copy_to_clipboard) + ImGui::LogToClipboard(); + for (int i = 0; i < Items.Size; i++) + { + const char* item = Items[i]; + if (!Filter.PassFilter(item)) + continue; + + // Normally you would store more information in your item (e.g. make Items[] an array of structure, store color/type etc.) + bool pop_color = false; + if (strstr(item, "[error]")) { ImGui::PushStyleColor(ImGuiCol_Text, ImVec4(1.0f, 0.4f, 0.4f, 1.0f)); pop_color = true; } + else if (strncmp(item, "# ", 2) == 0) { ImGui::PushStyleColor(ImGuiCol_Text, ImVec4(1.0f, 0.8f, 0.6f, 1.0f)); pop_color = true; } + ImGui::TextUnformatted(item); + if (pop_color) + ImGui::PopStyleColor(); + } + if (copy_to_clipboard) + ImGui::LogFinish(); + + if (ScrollToBottom || (AutoScroll && ImGui::GetScrollY() >= ImGui::GetScrollMaxY())) + ImGui::SetScrollHereY(1.0f); + ScrollToBottom = false; + + ImGui::PopStyleVar(); + ImGui::EndChild(); + ImGui::Separator(); + + // Command-line + bool reclaim_focus = false; + if (ImGui::InputText("Input", InputBuf, IM_ARRAYSIZE(InputBuf), ImGuiInputTextFlags_EnterReturnsTrue|ImGuiInputTextFlags_CallbackCompletion|ImGuiInputTextFlags_CallbackHistory, &TextEditCallbackStub, (void*)this)) + { + char* s = InputBuf; + Strtrim(s); + if (s[0]) + ExecCommand(s); + strcpy(s, ""); + reclaim_focus = true; + } + + // Auto-focus on window apparition + ImGui::SetItemDefaultFocus(); + if (reclaim_focus) + ImGui::SetKeyboardFocusHere(-1); // Auto focus previous widget + + ImGui::End(); + } + + void ExecCommand(const char* command_line) + { + AddLog("# %s\n", command_line); + + // Insert into history. First find match and delete it so it can be pushed to the back. This isn't trying to be smart or optimal. + HistoryPos = -1; + for (int i = History.Size-1; i >= 0; i--) + if (Stricmp(History[i], command_line) == 0) + { + free(History[i]); + History.erase(History.begin() + i); + break; + } + History.push_back(Strdup(command_line)); + + // Process command + if (Stricmp(command_line, "CLEAR") == 0) + { + ClearLog(); + } + else if (Stricmp(command_line, "HELP") == 0) + { + AddLog("Commands:"); + for (int i = 0; i < Commands.Size; i++) + AddLog("- %s", Commands[i]); + } + else if (Stricmp(command_line, "HISTORY") == 0) + { + int first = History.Size - 10; + for (int i = first > 0 ? first : 0; i < History.Size; i++) + AddLog("%3d: %s\n", i, History[i]); + } + else + { + AddLog("Unknown command: '%s'\n", command_line); + } + + // On commad input, we scroll to bottom even if AutoScroll==false + ScrollToBottom = true; + } + + static int TextEditCallbackStub(ImGuiInputTextCallbackData* data) // In C++11 you are better off using lambdas for this sort of forwarding callbacks + { + ExampleAppConsole* console = (ExampleAppConsole*)data->UserData; + return console->TextEditCallback(data); + } + + int TextEditCallback(ImGuiInputTextCallbackData* data) + { + //AddLog("cursor: %d, selection: %d-%d", data->CursorPos, data->SelectionStart, data->SelectionEnd); + switch (data->EventFlag) + { + case ImGuiInputTextFlags_CallbackCompletion: + { + // Example of TEXT COMPLETION + + // Locate beginning of current word + const char* word_end = data->Buf + data->CursorPos; + const char* word_start = word_end; + while (word_start > data->Buf) + { + const char c = word_start[-1]; + if (c == ' ' || c == '\t' || c == ',' || c == ';') + break; + word_start--; + } + + // Build a list of candidates + ImVector candidates; + for (int i = 0; i < Commands.Size; i++) + if (Strnicmp(Commands[i], word_start, (int)(word_end-word_start)) == 0) + candidates.push_back(Commands[i]); + + if (candidates.Size == 0) + { + // No match + AddLog("No match for \"%.*s\"!\n", (int)(word_end-word_start), word_start); + } + else if (candidates.Size == 1) + { + // Single match. Delete the beginning of the word and replace it entirely so we've got nice casing + data->DeleteChars((int)(word_start-data->Buf), (int)(word_end-word_start)); + data->InsertChars(data->CursorPos, candidates[0]); + data->InsertChars(data->CursorPos, " "); + } + else + { + // Multiple matches. Complete as much as we can, so inputing "C" will complete to "CL" and display "CLEAR" and "CLASSIFY" + int match_len = (int)(word_end - word_start); + for (;;) + { + int c = 0; + bool all_candidates_matches = true; + for (int i = 0; i < candidates.Size && all_candidates_matches; i++) + if (i == 0) + c = toupper(candidates[i][match_len]); + else if (c == 0 || c != toupper(candidates[i][match_len])) + all_candidates_matches = false; + if (!all_candidates_matches) + break; + match_len++; + } + + if (match_len > 0) + { + data->DeleteChars((int)(word_start - data->Buf), (int)(word_end-word_start)); + data->InsertChars(data->CursorPos, candidates[0], candidates[0] + match_len); + } + + // List matches + AddLog("Possible matches:\n"); + for (int i = 0; i < candidates.Size; i++) + AddLog("- %s\n", candidates[i]); + } + + break; + } + case ImGuiInputTextFlags_CallbackHistory: + { + // Example of HISTORY + const int prev_history_pos = HistoryPos; + if (data->EventKey == ImGuiKey_UpArrow) + { + if (HistoryPos == -1) + HistoryPos = History.Size - 1; + else if (HistoryPos > 0) + HistoryPos--; + } + else if (data->EventKey == ImGuiKey_DownArrow) + { + if (HistoryPos != -1) + if (++HistoryPos >= History.Size) + HistoryPos = -1; + } + + // A better implementation would preserve the data on the current input line along with cursor position. + if (prev_history_pos != HistoryPos) + { + const char* history_str = (HistoryPos >= 0) ? History[HistoryPos] : ""; + data->DeleteChars(0, data->BufTextLen); + data->InsertChars(0, history_str); + } + } + } + return 0; + } +}; + +static void ShowExampleAppConsole(bool* p_open) +{ + static ExampleAppConsole console; + console.Draw("Example: Console", p_open); +} + +//----------------------------------------------------------------------------- +// [SECTION] Example App: Debug Log / ShowExampleAppLog() +//----------------------------------------------------------------------------- + +// Usage: +// static ExampleAppLog my_log; +// my_log.AddLog("Hello %d world\n", 123); +// my_log.Draw("title"); +struct ExampleAppLog +{ + ImGuiTextBuffer Buf; + ImGuiTextFilter Filter; + ImVector LineOffsets; // Index to lines offset. We maintain this with AddLog() calls, allowing us to have a random access on lines + bool AutoScroll; // Keep scrolling if already at the bottom + + ExampleAppLog() + { + AutoScroll = true; + Clear(); + } + + void Clear() + { + Buf.clear(); + LineOffsets.clear(); + LineOffsets.push_back(0); + } + + void AddLog(const char* fmt, ...) IM_FMTARGS(2) + { + int old_size = Buf.size(); + va_list args; + va_start(args, fmt); + Buf.appendfv(fmt, args); + va_end(args); + for (int new_size = Buf.size(); old_size < new_size; old_size++) + if (Buf[old_size] == '\n') + LineOffsets.push_back(old_size + 1); + } + + void Draw(const char* title, bool* p_open = NULL) + { + if (!ImGui::Begin(title, p_open)) + { + ImGui::End(); + return; + } + + // Options menu + if (ImGui::BeginPopup("Options")) + { + ImGui::Checkbox("Auto-scroll", &AutoScroll); + ImGui::EndPopup(); + } + + // Main window + if (ImGui::Button("Options")) + ImGui::OpenPopup("Options"); + ImGui::SameLine(); + bool clear = ImGui::Button("Clear"); + ImGui::SameLine(); + bool copy = ImGui::Button("Copy"); + ImGui::SameLine(); + Filter.Draw("Filter", -100.0f); + + ImGui::Separator(); + ImGui::BeginChild("scrolling", ImVec2(0,0), false, ImGuiWindowFlags_HorizontalScrollbar); + + if (clear) + Clear(); + if (copy) + ImGui::LogToClipboard(); + + ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(0, 0)); + const char* buf = Buf.begin(); + const char* buf_end = Buf.end(); + if (Filter.IsActive()) + { + // In this example we don't use the clipper when Filter is enabled. + // This is because we don't have a random access on the result on our filter. + // A real application processing logs with ten of thousands of entries may want to store the result of search/filter. + // especially if the filtering function is not trivial (e.g. reg-exp). + for (int line_no = 0; line_no < LineOffsets.Size; line_no++) + { + const char* line_start = buf + LineOffsets[line_no]; + const char* line_end = (line_no + 1 < LineOffsets.Size) ? (buf + LineOffsets[line_no + 1] - 1) : buf_end; + if (Filter.PassFilter(line_start, line_end)) + ImGui::TextUnformatted(line_start, line_end); + } + } + else + { + // The simplest and easy way to display the entire buffer: + // ImGui::TextUnformatted(buf_begin, buf_end); + // And it'll just work. TextUnformatted() has specialization for large blob of text and will fast-forward to skip non-visible lines. + // Here we instead demonstrate using the clipper to only process lines that are within the visible area. + // If you have tens of thousands of items and their processing cost is non-negligible, coarse clipping them on your side is recommended. + // Using ImGuiListClipper requires A) random access into your data, and B) items all being the same height, + // both of which we can handle since we an array pointing to the beginning of each line of text. + // When using the filter (in the block of code above) we don't have random access into the data to display anymore, which is why we don't use the clipper. + // Storing or skimming through the search result would make it possible (and would be recommended if you want to search through tens of thousands of entries) + ImGuiListClipper clipper; + clipper.Begin(LineOffsets.Size); + while (clipper.Step()) + { + for (int line_no = clipper.DisplayStart; line_no < clipper.DisplayEnd; line_no++) + { + const char* line_start = buf + LineOffsets[line_no]; + const char* line_end = (line_no + 1 < LineOffsets.Size) ? (buf + LineOffsets[line_no + 1] - 1) : buf_end; + ImGui::TextUnformatted(line_start, line_end); + } + } + clipper.End(); + } + ImGui::PopStyleVar(); + + if (AutoScroll && ImGui::GetScrollY() >= ImGui::GetScrollMaxY()) + ImGui::SetScrollHereY(1.0f); + + ImGui::EndChild(); + ImGui::End(); + } +}; + +// Demonstrate creating a simple log window with basic filtering. +static void ShowExampleAppLog(bool* p_open) +{ + static ExampleAppLog log; + + // For the demo: add a debug button _BEFORE_ the normal log window contents + // We take advantage of a rarely used feature: multiple calls to Begin()/End() are appending to the _same_ window. + // Most of the contents of the window will be added by the log.Draw() call. + ImGui::SetNextWindowSize(ImVec2(500, 400), ImGuiCond_FirstUseEver); + ImGui::Begin("Example: Log", p_open); + if (ImGui::SmallButton("[Debug] Add 5 entries")) + { + static int counter = 0; + for (int n = 0; n < 5; n++) + { + const char* categories[3] = { "info", "warn", "error" }; + const char* words[] = { "Bumfuzzled", "Cattywampus", "Snickersnee", "Abibliophobia", "Absquatulate", "Nincompoop", "Pauciloquent" }; + log.AddLog("[%05d] [%s] Hello, current time is %.1f, here's a word: '%s'\n", + ImGui::GetFrameCount(), categories[counter % IM_ARRAYSIZE(categories)], ImGui::GetTime(), words[counter % IM_ARRAYSIZE(words)]); + counter++; + } + } + ImGui::End(); + + // Actually call in the regular Log helper (which will Begin() into the same window as we just did) + log.Draw("Example: Log", p_open); +} + +//----------------------------------------------------------------------------- +// [SECTION] Example App: Simple Layout / ShowExampleAppLayout() +//----------------------------------------------------------------------------- + +// Demonstrate create a window with multiple child windows. +static void ShowExampleAppLayout(bool* p_open) +{ + ImGui::SetNextWindowSize(ImVec2(500, 440), ImGuiCond_FirstUseEver); + if (ImGui::Begin("Example: Simple layout", p_open, ImGuiWindowFlags_MenuBar)) + { + if (ImGui::BeginMenuBar()) + { + if (ImGui::BeginMenu("File")) + { + if (ImGui::MenuItem("Close")) *p_open = false; + ImGui::EndMenu(); + } + ImGui::EndMenuBar(); + } + + // left + static int selected = 0; + ImGui::BeginChild("left pane", ImVec2(150, 0), true); + for (int i = 0; i < 100; i++) + { + char label[128]; + sprintf(label, "MyObject %d", i); + if (ImGui::Selectable(label, selected == i)) + selected = i; + } + ImGui::EndChild(); + ImGui::SameLine(); + + // right + ImGui::BeginGroup(); + ImGui::BeginChild("item view", ImVec2(0, -ImGui::GetFrameHeightWithSpacing())); // Leave room for 1 line below us + ImGui::Text("MyObject: %d", selected); + ImGui::Separator(); + if (ImGui::BeginTabBar("##Tabs", ImGuiTabBarFlags_None)) + { + if (ImGui::BeginTabItem("Description")) + { + ImGui::TextWrapped("Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. "); + ImGui::EndTabItem(); + } + if (ImGui::BeginTabItem("Details")) + { + ImGui::Text("ID: 0123456789"); + ImGui::EndTabItem(); + } + ImGui::EndTabBar(); + } + ImGui::EndChild(); + if (ImGui::Button("Revert")) {} + ImGui::SameLine(); + if (ImGui::Button("Save")) {} + ImGui::EndGroup(); + } + ImGui::End(); +} + +//----------------------------------------------------------------------------- +// [SECTION] Example App: Property Editor / ShowExampleAppPropertyEditor() +//----------------------------------------------------------------------------- + +// Demonstrate create a simple property editor. +static void ShowExampleAppPropertyEditor(bool* p_open) +{ + ImGui::SetNextWindowSize(ImVec2(430,450), ImGuiCond_FirstUseEver); + if (!ImGui::Begin("Example: Property editor", p_open)) + { + ImGui::End(); + return; + } + + HelpMarker("This example shows how you may implement a property editor using two columns.\nAll objects/fields data are dummies here.\nRemember that in many simple cases, you can use ImGui::SameLine(xxx) to position\nyour cursor horizontally instead of using the Columns() API."); + + ImGui::PushStyleVar(ImGuiStyleVar_FramePadding, ImVec2(2,2)); + ImGui::Columns(2); + ImGui::Separator(); + + struct funcs + { + static void ShowDummyObject(const char* prefix, int uid) + { + ImGui::PushID(uid); // Use object uid as identifier. Most commonly you could also use the object pointer as a base ID. + ImGui::AlignTextToFramePadding(); // Text and Tree nodes are less high than regular widgets, here we add vertical spacing to make the tree lines equal high. + bool node_open = ImGui::TreeNode("Object", "%s_%u", prefix, uid); + ImGui::NextColumn(); + ImGui::AlignTextToFramePadding(); + ImGui::Text("my sailor is rich"); + ImGui::NextColumn(); + if (node_open) + { + static float dummy_members[8] = { 0.0f,0.0f,1.0f,3.1416f,100.0f,999.0f }; + for (int i = 0; i < 8; i++) + { + ImGui::PushID(i); // Use field index as identifier. + if (i < 2) + { + ShowDummyObject("Child", 424242); + } + else + { + // Here we use a TreeNode to highlight on hover (we could use e.g. Selectable as well) + ImGui::AlignTextToFramePadding(); + ImGui::TreeNodeEx("Field", ImGuiTreeNodeFlags_Leaf | ImGuiTreeNodeFlags_NoTreePushOnOpen | ImGuiTreeNodeFlags_Bullet, "Field_%d", i); + ImGui::NextColumn(); + ImGui::SetNextItemWidth(-1); + if (i >= 5) + ImGui::InputFloat("##value", &dummy_members[i], 1.0f); + else + ImGui::DragFloat("##value", &dummy_members[i], 0.01f); + ImGui::NextColumn(); + } + ImGui::PopID(); + } + ImGui::TreePop(); + } + ImGui::PopID(); + } + }; + + // Iterate dummy objects with dummy members (all the same data) + for (int obj_i = 0; obj_i < 3; obj_i++) + funcs::ShowDummyObject("Object", obj_i); + + ImGui::Columns(1); + ImGui::Separator(); + ImGui::PopStyleVar(); + ImGui::End(); +} + +//----------------------------------------------------------------------------- +// [SECTION] Example App: Long Text / ShowExampleAppLongText() +//----------------------------------------------------------------------------- + +// Demonstrate/test rendering huge amount of text, and the incidence of clipping. +static void ShowExampleAppLongText(bool* p_open) +{ + ImGui::SetNextWindowSize(ImVec2(520,600), ImGuiCond_FirstUseEver); + if (!ImGui::Begin("Example: Long text display", p_open)) + { + ImGui::End(); + return; + } + + static int test_type = 0; + static ImGuiTextBuffer log; + static int lines = 0; + ImGui::Text("Printing unusually long amount of text."); + ImGui::Combo("Test type", &test_type, "Single call to TextUnformatted()\0Multiple calls to Text(), clipped\0Multiple calls to Text(), not clipped (slow)\0"); + ImGui::Text("Buffer contents: %d lines, %d bytes", lines, log.size()); + if (ImGui::Button("Clear")) { log.clear(); lines = 0; } + ImGui::SameLine(); + if (ImGui::Button("Add 1000 lines")) + { + for (int i = 0; i < 1000; i++) + log.appendf("%i The quick brown fox jumps over the lazy dog\n", lines+i); + lines += 1000; + } + ImGui::BeginChild("Log"); + switch (test_type) + { + case 0: + // Single call to TextUnformatted() with a big buffer + ImGui::TextUnformatted(log.begin(), log.end()); + break; + case 1: + { + // Multiple calls to Text(), manually coarsely clipped - demonstrate how to use the ImGuiListClipper helper. + ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(0,0)); + ImGuiListClipper clipper(lines); + while (clipper.Step()) + for (int i = clipper.DisplayStart; i < clipper.DisplayEnd; i++) + ImGui::Text("%i The quick brown fox jumps over the lazy dog", i); + ImGui::PopStyleVar(); + break; + } + case 2: + // Multiple calls to Text(), not clipped (slow) + ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(0,0)); + for (int i = 0; i < lines; i++) + ImGui::Text("%i The quick brown fox jumps over the lazy dog", i); + ImGui::PopStyleVar(); + break; + } + ImGui::EndChild(); + ImGui::End(); +} + +//----------------------------------------------------------------------------- +// [SECTION] Example App: Auto Resize / ShowExampleAppAutoResize() +//----------------------------------------------------------------------------- + +// Demonstrate creating a window which gets auto-resized according to its content. +static void ShowExampleAppAutoResize(bool* p_open) +{ + if (!ImGui::Begin("Example: Auto-resizing window", p_open, ImGuiWindowFlags_AlwaysAutoResize)) + { + ImGui::End(); + return; + } + + static int lines = 10; + ImGui::Text("Window will resize every-frame to the size of its content.\nNote that you probably don't want to query the window size to\noutput your content because that would create a feedback loop."); + ImGui::SliderInt("Number of lines", &lines, 1, 20); + for (int i = 0; i < lines; i++) + ImGui::Text("%*sThis is line %d", i * 4, "", i); // Pad with space to extend size horizontally + ImGui::End(); +} + +//----------------------------------------------------------------------------- +// [SECTION] Example App: Constrained Resize / ShowExampleAppConstrainedResize() +//----------------------------------------------------------------------------- + +// Demonstrate creating a window with custom resize constraints. +static void ShowExampleAppConstrainedResize(bool* p_open) +{ + struct CustomConstraints // Helper functions to demonstrate programmatic constraints + { + static void Square(ImGuiSizeCallbackData* data) { data->DesiredSize.x = data->DesiredSize.y = (data->DesiredSize.x > data->DesiredSize.y ? data->DesiredSize.x : data->DesiredSize.y); } + static void Step(ImGuiSizeCallbackData* data) { float step = (float)(int)(intptr_t)data->UserData; data->DesiredSize = ImVec2((int)(data->DesiredSize.x / step + 0.5f) * step, (int)(data->DesiredSize.y / step + 0.5f) * step); } + }; + + static bool auto_resize = false; + static int type = 0; + static int display_lines = 10; + if (type == 0) ImGui::SetNextWindowSizeConstraints(ImVec2(-1, 0), ImVec2(-1, FLT_MAX)); // Vertical only + if (type == 1) ImGui::SetNextWindowSizeConstraints(ImVec2(0, -1), ImVec2(FLT_MAX, -1)); // Horizontal only + if (type == 2) ImGui::SetNextWindowSizeConstraints(ImVec2(100, 100), ImVec2(FLT_MAX, FLT_MAX)); // Width > 100, Height > 100 + if (type == 3) ImGui::SetNextWindowSizeConstraints(ImVec2(400, -1), ImVec2(500, -1)); // Width 400-500 + if (type == 4) ImGui::SetNextWindowSizeConstraints(ImVec2(-1, 400), ImVec2(-1, 500)); // Height 400-500 + if (type == 5) ImGui::SetNextWindowSizeConstraints(ImVec2(0, 0), ImVec2(FLT_MAX, FLT_MAX), CustomConstraints::Square); // Always Square + if (type == 6) ImGui::SetNextWindowSizeConstraints(ImVec2(0, 0), ImVec2(FLT_MAX, FLT_MAX), CustomConstraints::Step, (void*)(intptr_t)100); // Fixed Step + + ImGuiWindowFlags flags = auto_resize ? ImGuiWindowFlags_AlwaysAutoResize : 0; + if (ImGui::Begin("Example: Constrained Resize", p_open, flags)) + { + const char* desc[] = + { + "Resize vertical only", + "Resize horizontal only", + "Width > 100, Height > 100", + "Width 400-500", + "Height 400-500", + "Custom: Always Square", + "Custom: Fixed Steps (100)", + }; + if (ImGui::Button("200x200")) { ImGui::SetWindowSize(ImVec2(200, 200)); } ImGui::SameLine(); + if (ImGui::Button("500x500")) { ImGui::SetWindowSize(ImVec2(500, 500)); } ImGui::SameLine(); + if (ImGui::Button("800x200")) { ImGui::SetWindowSize(ImVec2(800, 200)); } + ImGui::SetNextItemWidth(200); + ImGui::Combo("Constraint", &type, desc, IM_ARRAYSIZE(desc)); + ImGui::SetNextItemWidth(200); + ImGui::DragInt("Lines", &display_lines, 0.2f, 1, 100); + ImGui::Checkbox("Auto-resize", &auto_resize); + for (int i = 0; i < display_lines; i++) + ImGui::Text("%*sHello, sailor! Making this line long enough for the example.", i * 4, ""); + } + ImGui::End(); +} + +//----------------------------------------------------------------------------- +// [SECTION] Example App: Simple Overlay / ShowExampleAppSimpleOverlay() +//----------------------------------------------------------------------------- + +// Demonstrate creating a simple static window with no decoration + a context-menu to choose which corner of the screen to use. +static void ShowExampleAppSimpleOverlay(bool* p_open) +{ + const float DISTANCE = 10.0f; + static int corner = 0; + ImGuiIO& io = ImGui::GetIO(); + if (corner != -1) + { + ImVec2 window_pos = ImVec2((corner & 1) ? io.DisplaySize.x - DISTANCE : DISTANCE, (corner & 2) ? io.DisplaySize.y - DISTANCE : DISTANCE); + ImVec2 window_pos_pivot = ImVec2((corner & 1) ? 1.0f : 0.0f, (corner & 2) ? 1.0f : 0.0f); + ImGui::SetNextWindowPos(window_pos, ImGuiCond_Always, window_pos_pivot); + } + ImGui::SetNextWindowBgAlpha(0.35f); // Transparent background + if (ImGui::Begin("Example: Simple overlay", p_open, (corner != -1 ? ImGuiWindowFlags_NoMove : 0) | ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoSavedSettings | ImGuiWindowFlags_NoFocusOnAppearing | ImGuiWindowFlags_NoNav)) + { + ImGui::Text("Simple overlay\n" "in the corner of the screen.\n" "(right-click to change position)"); + ImGui::Separator(); + if (ImGui::IsMousePosValid()) + ImGui::Text("Mouse Position: (%.1f,%.1f)", io.MousePos.x, io.MousePos.y); + else + ImGui::Text("Mouse Position: "); + if (ImGui::BeginPopupContextWindow()) + { + if (ImGui::MenuItem("Custom", NULL, corner == -1)) corner = -1; + if (ImGui::MenuItem("Top-left", NULL, corner == 0)) corner = 0; + if (ImGui::MenuItem("Top-right", NULL, corner == 1)) corner = 1; + if (ImGui::MenuItem("Bottom-left", NULL, corner == 2)) corner = 2; + if (ImGui::MenuItem("Bottom-right", NULL, corner == 3)) corner = 3; + if (p_open && ImGui::MenuItem("Close")) *p_open = false; + ImGui::EndPopup(); + } + } + ImGui::End(); +} + +//----------------------------------------------------------------------------- +// [SECTION] Example App: Manipulating Window Titles / ShowExampleAppWindowTitles() +//----------------------------------------------------------------------------- + +// Demonstrate using "##" and "###" in identifiers to manipulate ID generation. +// This apply to all regular items as well. Read FAQ section "How can I have multiple widgets with the same label? Can I have widget without a label? (Yes). A primer on the purpose of labels/IDs." for details. +static void ShowExampleAppWindowTitles(bool*) +{ + // By default, Windows are uniquely identified by their title. + // You can use the "##" and "###" markers to manipulate the display/ID. + + // Using "##" to display same title but have unique identifier. + ImGui::SetNextWindowPos(ImVec2(100, 100), ImGuiCond_FirstUseEver); + ImGui::Begin("Same title as another window##1"); + ImGui::Text("This is window 1.\nMy title is the same as window 2, but my identifier is unique."); + ImGui::End(); + + ImGui::SetNextWindowPos(ImVec2(100, 200), ImGuiCond_FirstUseEver); + ImGui::Begin("Same title as another window##2"); + ImGui::Text("This is window 2.\nMy title is the same as window 1, but my identifier is unique."); + ImGui::End(); + + // Using "###" to display a changing title but keep a static identifier "AnimatedTitle" + char buf[128]; + sprintf(buf, "Animated title %c %d###AnimatedTitle", "|/-\\"[(int)(ImGui::GetTime() / 0.25f) & 3], ImGui::GetFrameCount()); + ImGui::SetNextWindowPos(ImVec2(100, 300), ImGuiCond_FirstUseEver); + ImGui::Begin(buf); + ImGui::Text("This window has a changing title."); + ImGui::End(); +} + +//----------------------------------------------------------------------------- +// [SECTION] Example App: Custom Rendering using ImDrawList API / ShowExampleAppCustomRendering() +//----------------------------------------------------------------------------- + +// Demonstrate using the low-level ImDrawList to draw custom shapes. +static void ShowExampleAppCustomRendering(bool* p_open) +{ + if (!ImGui::Begin("Example: Custom rendering", p_open)) + { + ImGui::End(); + return; + } + + // Tip: If you do a lot of custom rendering, you probably want to use your own geometrical types and benefit of overloaded operators, etc. + // Define IM_VEC2_CLASS_EXTRA in imconfig.h to create implicit conversions between your types and ImVec2/ImVec4. + // ImGui defines overloaded operators but they are internal to imgui.cpp and not exposed outside (to avoid messing with your types) + // In this example we are not using the maths operators! + ImDrawList* draw_list = ImGui::GetWindowDrawList(); + + if (ImGui::BeginTabBar("##TabBar")) + { + if (ImGui::BeginTabItem("Primitives")) + { + ImGui::PushItemWidth(-ImGui::GetFontSize() * 10); + + // Draw gradients + // (note that those are currently exacerbating our sRGB/Linear issues) + ImGui::Text("Gradients"); + ImVec2 gradient_size = ImVec2(ImGui::CalcItemWidth(), ImGui::GetFrameHeight()); + { + ImVec2 p = ImGui::GetCursorScreenPos(); + ImU32 col_a = ImGui::GetColorU32(ImVec4(0.0f, 0.0f, 0.0f, 1.0f)); + ImU32 col_b = ImGui::GetColorU32(ImVec4(1.0f, 1.0f, 1.0f, 1.0f)); + draw_list->AddRectFilledMultiColor(p, ImVec2(p.x + gradient_size.x, p.y + gradient_size.y), col_a, col_b, col_b, col_a); + ImGui::InvisibleButton("##gradient1", gradient_size); + } + { + ImVec2 p = ImGui::GetCursorScreenPos(); + ImU32 col_a = ImGui::GetColorU32(ImVec4(0.0f, 1.0f, 0.0f, 1.0f)); + ImU32 col_b = ImGui::GetColorU32(ImVec4(1.0f, 0.0f, 0.0f, 1.0f)); + draw_list->AddRectFilledMultiColor(p, ImVec2(p.x + gradient_size.x, p.y + gradient_size.y), col_a, col_b, col_b, col_a); + ImGui::InvisibleButton("##gradient2", gradient_size); + } + + // Draw a bunch of primitives + ImGui::Text("All primitives"); + static float sz = 36.0f; + static float thickness = 3.0f; + static int ngon_sides = 6; + static bool circle_segments_override = false; + static int circle_segments_override_v = 12; + static ImVec4 colf = ImVec4(1.0f, 1.0f, 0.4f, 1.0f); + ImGui::DragFloat("Size", &sz, 0.2f, 2.0f, 72.0f, "%.0f"); + ImGui::DragFloat("Thickness", &thickness, 0.05f, 1.0f, 8.0f, "%.02f"); + ImGui::SliderInt("N-gon sides", &ngon_sides, 3, 12); + ImGui::Checkbox("##circlesegmentoverride", &circle_segments_override); + ImGui::SameLine(0.0f, ImGui::GetStyle().ItemInnerSpacing.x); + if (ImGui::SliderInt("Circle segments", &circle_segments_override_v, 3, 40)) + circle_segments_override = true; + ImGui::ColorEdit4("Color", &colf.x); + const ImVec2 p = ImGui::GetCursorScreenPos(); + const ImU32 col = ImColor(colf); + const float spacing = 10.0f; + const ImDrawCornerFlags corners_none = 0; + const ImDrawCornerFlags corners_all = ImDrawCornerFlags_All; + const ImDrawCornerFlags corners_tl_br = ImDrawCornerFlags_TopLeft | ImDrawCornerFlags_BotRight; + const int circle_segments = circle_segments_override ? circle_segments_override_v : 0; + float x = p.x + 4.0f, y = p.y + 4.0f; + for (int n = 0; n < 2; n++) + { + // First line uses a thickness of 1.0f, second line uses the configurable thickness + float th = (n == 0) ? 1.0f : thickness; + draw_list->AddNgon(ImVec2(x + sz*0.5f, y + sz*0.5f), sz*0.5f, col, ngon_sides, th); x += sz + spacing; // N-gon + draw_list->AddCircle(ImVec2(x + sz*0.5f, y + sz*0.5f), sz*0.5f, col, circle_segments, th); x += sz + spacing; // Circle + draw_list->AddRect(ImVec2(x, y), ImVec2(x + sz, y + sz), col, 0.0f, corners_none, th); x += sz + spacing; // Square + draw_list->AddRect(ImVec2(x, y), ImVec2(x + sz, y + sz), col, 10.0f, corners_all, th); x += sz + spacing; // Square with all rounded corners + draw_list->AddRect(ImVec2(x, y), ImVec2(x + sz, y + sz), col, 10.0f, corners_tl_br, th); x += sz + spacing; // Square with two rounded corners + draw_list->AddTriangle(ImVec2(x+sz*0.5f,y), ImVec2(x+sz, y+sz-0.5f), ImVec2(x, y+sz-0.5f), col, th); x += sz + spacing; // Triangle + draw_list->AddTriangle(ImVec2(x+sz*0.2f,y), ImVec2(x, y+sz-0.5f), ImVec2(x+sz*0.4f, y+sz-0.5f), col, th); x += sz*0.4f + spacing; // Thin triangle + draw_list->AddLine(ImVec2(x, y), ImVec2(x + sz, y), col, th); x += sz + spacing; // Horizontal line (note: drawing a filled rectangle will be faster!) + draw_list->AddLine(ImVec2(x, y), ImVec2(x, y + sz), col, th); x += spacing; // Vertical line (note: drawing a filled rectangle will be faster!) + draw_list->AddLine(ImVec2(x, y), ImVec2(x + sz, y + sz), col, th); x += sz + spacing; // Diagonal line + draw_list->AddBezierCurve(ImVec2(x, y), ImVec2(x + sz*1.3f, y + sz*0.3f), ImVec2(x + sz - sz*1.3f, y + sz - sz*0.3f), ImVec2(x + sz, y + sz), col, th); + x = p.x + 4; + y += sz + spacing; + } + draw_list->AddNgonFilled(ImVec2(x + sz * 0.5f, y + sz * 0.5f), sz*0.5f, col, ngon_sides); x += sz + spacing; // N-gon + draw_list->AddCircleFilled(ImVec2(x + sz*0.5f, y + sz*0.5f), sz*0.5f, col, circle_segments);x += sz + spacing; // Circle + draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x + sz, y + sz), col); x += sz + spacing; // Square + draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x + sz, y + sz), col, 10.0f); x += sz + spacing; // Square with all rounded corners + draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x + sz, y + sz), col, 10.0f, corners_tl_br); x += sz + spacing; // Square with two rounded corners + draw_list->AddTriangleFilled(ImVec2(x+sz*0.5f,y), ImVec2(x+sz, y+sz-0.5f), ImVec2(x, y+sz-0.5f), col); x += sz + spacing; // Triangle + draw_list->AddTriangleFilled(ImVec2(x+sz*0.2f,y), ImVec2(x, y+sz-0.5f), ImVec2(x+sz*0.4f, y+sz-0.5f), col); x += sz*0.4f + spacing; // Thin triangle + draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x + sz, y + thickness), col); x += sz + spacing; // Horizontal line (faster than AddLine, but only handle integer thickness) + draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x + thickness, y + sz), col); x += spacing*2.0f; // Vertical line (faster than AddLine, but only handle integer thickness) + draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x + 1, y + 1), col); x += sz; // Pixel (faster than AddLine) + draw_list->AddRectFilledMultiColor(ImVec2(x, y), ImVec2(x + sz, y + sz), IM_COL32(0, 0, 0, 255), IM_COL32(255, 0, 0, 255), IM_COL32(255, 255, 0, 255), IM_COL32(0, 255, 0, 255)); + ImGui::Dummy(ImVec2((sz + spacing) * 9.8f, (sz + spacing) * 3)); + + ImGui::PopItemWidth(); + ImGui::EndTabItem(); + } + + if (ImGui::BeginTabItem("Canvas")) + { + static ImVector points; + static bool adding_line = false; + if (ImGui::Button("Clear")) points.clear(); + if (points.Size >= 2) { ImGui::SameLine(); if (ImGui::Button("Undo")) { points.pop_back(); points.pop_back(); } } + ImGui::Text("Left-click and drag to add lines,\nRight-click to undo"); + + // Here we are using InvisibleButton() as a convenience to 1) advance the cursor and 2) allows us to use IsItemHovered() + // But you can also draw directly and poll mouse/keyboard by yourself. You can manipulate the cursor using GetCursorPos() and SetCursorPos(). + // If you only use the ImDrawList API, you can notify the owner window of its extends by using SetCursorPos(max). + ImVec2 canvas_pos = ImGui::GetCursorScreenPos(); // ImDrawList API uses screen coordinates! + ImVec2 canvas_size = ImGui::GetContentRegionAvail(); // Resize canvas to what's available + if (canvas_size.x < 50.0f) canvas_size.x = 50.0f; + if (canvas_size.y < 50.0f) canvas_size.y = 50.0f; + draw_list->AddRectFilledMultiColor(canvas_pos, ImVec2(canvas_pos.x + canvas_size.x, canvas_pos.y + canvas_size.y), IM_COL32(50, 50, 50, 255), IM_COL32(50, 50, 60, 255), IM_COL32(60, 60, 70, 255), IM_COL32(50, 50, 60, 255)); + draw_list->AddRect(canvas_pos, ImVec2(canvas_pos.x + canvas_size.x, canvas_pos.y + canvas_size.y), IM_COL32(255, 255, 255, 255)); + + bool adding_preview = false; + ImGui::InvisibleButton("canvas", canvas_size); + ImVec2 mouse_pos_in_canvas = ImVec2(ImGui::GetIO().MousePos.x - canvas_pos.x, ImGui::GetIO().MousePos.y - canvas_pos.y); + if (adding_line) + { + adding_preview = true; + points.push_back(mouse_pos_in_canvas); + if (!ImGui::IsMouseDown(0)) + adding_line = adding_preview = false; + } + if (ImGui::IsItemHovered()) + { + if (!adding_line && ImGui::IsMouseClicked(0)) + { + points.push_back(mouse_pos_in_canvas); + adding_line = true; + } + if (ImGui::IsMouseClicked(1) && !points.empty()) + { + adding_line = adding_preview = false; + points.pop_back(); + points.pop_back(); + } + } + draw_list->PushClipRect(canvas_pos, ImVec2(canvas_pos.x + canvas_size.x, canvas_pos.y + canvas_size.y), true); // clip lines within the canvas (if we resize it, etc.) + for (int i = 0; i < points.Size - 1; i += 2) + draw_list->AddLine(ImVec2(canvas_pos.x + points[i].x, canvas_pos.y + points[i].y), ImVec2(canvas_pos.x + points[i + 1].x, canvas_pos.y + points[i + 1].y), IM_COL32(255, 255, 0, 255), 2.0f); + draw_list->PopClipRect(); + if (adding_preview) + points.pop_back(); + ImGui::EndTabItem(); + } + + if (ImGui::BeginTabItem("BG/FG draw lists")) + { + static bool draw_bg = true; + static bool draw_fg = true; + ImGui::Checkbox("Draw in Background draw list", &draw_bg); + ImGui::SameLine(); HelpMarker("The Background draw list will be rendered below every Dear ImGui windows."); + ImGui::Checkbox("Draw in Foreground draw list", &draw_fg); + ImGui::SameLine(); HelpMarker("The Foreground draw list will be rendered over every Dear ImGui windows."); + ImVec2 window_pos = ImGui::GetWindowPos(); + ImVec2 window_size = ImGui::GetWindowSize(); + ImVec2 window_center = ImVec2(window_pos.x + window_size.x * 0.5f, window_pos.y + window_size.y * 0.5f); + if (draw_bg) + ImGui::GetBackgroundDrawList()->AddCircle(window_center, window_size.x * 0.6f, IM_COL32(255, 0, 0, 200), 0, 10+4); + if (draw_fg) + ImGui::GetForegroundDrawList()->AddCircle(window_center, window_size.y * 0.6f, IM_COL32(0, 255, 0, 200), 0, 10); + ImGui::EndTabItem(); + } + + ImGui::EndTabBar(); + } + + ImGui::End(); +} + +//----------------------------------------------------------------------------- +// [SECTION] Example App: Documents Handling / ShowExampleAppDocuments() +//----------------------------------------------------------------------------- + +// Simplified structure to mimic a Document model +struct MyDocument +{ + const char* Name; // Document title + bool Open; // Set when the document is open (in this demo, we keep an array of all available documents to simplify the demo) + bool OpenPrev; // Copy of Open from last update. + bool Dirty; // Set when the document has been modified + bool WantClose; // Set when the document + ImVec4 Color; // An arbitrary variable associated to the document + + MyDocument(const char* name, bool open = true, const ImVec4& color = ImVec4(1.0f,1.0f,1.0f,1.0f)) + { + Name = name; + Open = OpenPrev = open; + Dirty = false; + WantClose = false; + Color = color; + } + void DoOpen() { Open = true; } + void DoQueueClose() { WantClose = true; } + void DoForceClose() { Open = false; Dirty = false; } + void DoSave() { Dirty = false; } + + // Display dummy contents for the Document + static void DisplayContents(MyDocument* doc) + { + ImGui::PushID(doc); + ImGui::Text("Document \"%s\"", doc->Name); + ImGui::PushStyleColor(ImGuiCol_Text, doc->Color); + ImGui::TextWrapped("Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua."); + ImGui::PopStyleColor(); + if (ImGui::Button("Modify", ImVec2(100, 0))) + doc->Dirty = true; + ImGui::SameLine(); + if (ImGui::Button("Save", ImVec2(100, 0))) + doc->DoSave(); + ImGui::ColorEdit3("color", &doc->Color.x); // Useful to test drag and drop and hold-dragged-to-open-tab behavior. + ImGui::PopID(); + } + + // Display context menu for the Document + static void DisplayContextMenu(MyDocument* doc) + { + if (!ImGui::BeginPopupContextItem()) + return; + + char buf[256]; + sprintf(buf, "Save %s", doc->Name); + if (ImGui::MenuItem(buf, "CTRL+S", false, doc->Open)) + doc->DoSave(); + if (ImGui::MenuItem("Close", "CTRL+W", false, doc->Open)) + doc->DoQueueClose(); + ImGui::EndPopup(); + } +}; + +struct ExampleAppDocuments +{ + ImVector Documents; + + ExampleAppDocuments() + { + Documents.push_back(MyDocument("Lettuce", true, ImVec4(0.4f, 0.8f, 0.4f, 1.0f))); + Documents.push_back(MyDocument("Eggplant", true, ImVec4(0.8f, 0.5f, 1.0f, 1.0f))); + Documents.push_back(MyDocument("Carrot", true, ImVec4(1.0f, 0.8f, 0.5f, 1.0f))); + Documents.push_back(MyDocument("Tomato", false, ImVec4(1.0f, 0.3f, 0.4f, 1.0f))); + Documents.push_back(MyDocument("A Rather Long Title", false)); + Documents.push_back(MyDocument("Some Document", false)); + } +}; + +// [Optional] Notify the system of Tabs/Windows closure that happened outside the regular tab interface. +// If a tab has been closed programmatically (aka closed from another source such as the Checkbox() in the demo, as opposed +// to clicking on the regular tab closing button) and stops being submitted, it will take a frame for the tab bar to notice its absence. +// During this frame there will be a gap in the tab bar, and if the tab that has disappeared was the selected one, the tab bar +// will report no selected tab during the frame. This will effectively give the impression of a flicker for one frame. +// We call SetTabItemClosed() to manually notify the Tab Bar or Docking system of removed tabs to avoid this glitch. +// Note that this completely optional, and only affect tab bars with the ImGuiTabBarFlags_Reorderable flag. +static void NotifyOfDocumentsClosedElsewhere(ExampleAppDocuments& app) +{ + for (int doc_n = 0; doc_n < app.Documents.Size; doc_n++) + { + MyDocument* doc = &app.Documents[doc_n]; + if (!doc->Open && doc->OpenPrev) + ImGui::SetTabItemClosed(doc->Name); + doc->OpenPrev = doc->Open; + } +} + +void ShowExampleAppDocuments(bool* p_open) +{ + static ExampleAppDocuments app; + + // Options + static bool opt_reorderable = true; + static ImGuiTabBarFlags opt_fitting_flags = ImGuiTabBarFlags_FittingPolicyDefault_; + + bool window_contents_visible = ImGui::Begin("Example: Documents", p_open, ImGuiWindowFlags_MenuBar); + if (!window_contents_visible) + { + ImGui::End(); + return; + } + + // Menu + if (ImGui::BeginMenuBar()) + { + if (ImGui::BeginMenu("File")) + { + int open_count = 0; + for (int doc_n = 0; doc_n < app.Documents.Size; doc_n++) + open_count += app.Documents[doc_n].Open ? 1 : 0; + + if (ImGui::BeginMenu("Open", open_count < app.Documents.Size)) + { + for (int doc_n = 0; doc_n < app.Documents.Size; doc_n++) + { + MyDocument* doc = &app.Documents[doc_n]; + if (!doc->Open) + if (ImGui::MenuItem(doc->Name)) + doc->DoOpen(); + } + ImGui::EndMenu(); + } + if (ImGui::MenuItem("Close All Documents", NULL, false, open_count > 0)) + for (int doc_n = 0; doc_n < app.Documents.Size; doc_n++) + app.Documents[doc_n].DoQueueClose(); + if (ImGui::MenuItem("Exit", "Alt+F4")) {} + ImGui::EndMenu(); + } + ImGui::EndMenuBar(); + } + + // [Debug] List documents with one checkbox for each + for (int doc_n = 0; doc_n < app.Documents.Size; doc_n++) + { + MyDocument* doc = &app.Documents[doc_n]; + if (doc_n > 0) + ImGui::SameLine(); + ImGui::PushID(doc); + if (ImGui::Checkbox(doc->Name, &doc->Open)) + if (!doc->Open) + doc->DoForceClose(); + ImGui::PopID(); + } + + ImGui::Separator(); + + // Submit Tab Bar and Tabs + { + ImGuiTabBarFlags tab_bar_flags = (opt_fitting_flags) | (opt_reorderable ? ImGuiTabBarFlags_Reorderable : 0); + if (ImGui::BeginTabBar("##tabs", tab_bar_flags)) + { + if (opt_reorderable) + NotifyOfDocumentsClosedElsewhere(app); + + // [DEBUG] Stress tests + //if ((ImGui::GetFrameCount() % 30) == 0) docs[1].Open ^= 1; // [DEBUG] Automatically show/hide a tab. Test various interactions e.g. dragging with this on. + //if (ImGui::GetIO().KeyCtrl) ImGui::SetTabItemSelected(docs[1].Name); // [DEBUG] Test SetTabItemSelected(), probably not very useful as-is anyway.. + + // Submit Tabs + for (int doc_n = 0; doc_n < app.Documents.Size; doc_n++) + { + MyDocument* doc = &app.Documents[doc_n]; + if (!doc->Open) + continue; + + ImGuiTabItemFlags tab_flags = (doc->Dirty ? ImGuiTabItemFlags_UnsavedDocument : 0); + bool visible = ImGui::BeginTabItem(doc->Name, &doc->Open, tab_flags); + + // Cancel attempt to close when unsaved add to save queue so we can display a popup. + if (!doc->Open && doc->Dirty) + { + doc->Open = true; + doc->DoQueueClose(); + } + + MyDocument::DisplayContextMenu(doc); + if (visible) + { + MyDocument::DisplayContents(doc); + ImGui::EndTabItem(); + } + } + + ImGui::EndTabBar(); + } + } + + // Update closing queue + static ImVector close_queue; + if (close_queue.empty()) + { + // Close queue is locked once we started a popup + for (int doc_n = 0; doc_n < app.Documents.Size; doc_n++) + { + MyDocument* doc = &app.Documents[doc_n]; + if (doc->WantClose) + { + doc->WantClose = false; + close_queue.push_back(doc); + } + } + } + + // Display closing confirmation UI + if (!close_queue.empty()) + { + int close_queue_unsaved_documents = 0; + for (int n = 0; n < close_queue.Size; n++) + if (close_queue[n]->Dirty) + close_queue_unsaved_documents++; + + if (close_queue_unsaved_documents == 0) + { + // Close documents when all are unsaved + for (int n = 0; n < close_queue.Size; n++) + close_queue[n]->DoForceClose(); + close_queue.clear(); + } + else + { + if (!ImGui::IsPopupOpen("Save?")) + ImGui::OpenPopup("Save?"); + if (ImGui::BeginPopupModal("Save?")) + { + ImGui::Text("Save change to the following items?"); + ImGui::SetNextItemWidth(-1.0f); + if (ImGui::ListBoxHeader("##", close_queue_unsaved_documents, 6)) + { + for (int n = 0; n < close_queue.Size; n++) + if (close_queue[n]->Dirty) + ImGui::Text("%s", close_queue[n]->Name); + ImGui::ListBoxFooter(); + } + + if (ImGui::Button("Yes", ImVec2(80, 0))) + { + for (int n = 0; n < close_queue.Size; n++) + { + if (close_queue[n]->Dirty) + close_queue[n]->DoSave(); + close_queue[n]->DoForceClose(); + } + close_queue.clear(); + ImGui::CloseCurrentPopup(); + } + ImGui::SameLine(); + if (ImGui::Button("No", ImVec2(80, 0))) + { + for (int n = 0; n < close_queue.Size; n++) + close_queue[n]->DoForceClose(); + close_queue.clear(); + ImGui::CloseCurrentPopup(); + } + ImGui::SameLine(); + if (ImGui::Button("Cancel", ImVec2(80, 0))) + { + close_queue.clear(); + ImGui::CloseCurrentPopup(); + } + ImGui::EndPopup(); + } + } + } + + ImGui::End(); +} + +// End of Demo code +#else + +void ImGui::ShowAboutWindow(bool*) {} +void ImGui::ShowDemoWindow(bool*) {} +void ImGui::ShowUserGuide() {} +void ImGui::ShowStyleEditor(ImGuiStyle*) {} + +#endif + +#endif // #ifndef IMGUI_DISABLE diff --git a/imgui-submodule/imgui/imgui_draw.cpp b/imgui-submodule/imgui/imgui_draw.cpp new file mode 100644 index 0000000..87c81ed --- /dev/null +++ b/imgui-submodule/imgui/imgui_draw.cpp @@ -0,0 +1,3594 @@ +// dear imgui, v1.76 WIP +// (drawing and font code) + +/* + +Index of this file: + +// [SECTION] STB libraries implementation +// [SECTION] Style functions +// [SECTION] ImDrawList +// [SECTION] ImDrawListSplitter +// [SECTION] ImDrawData +// [SECTION] Helpers ShadeVertsXXX functions +// [SECTION] ImFontConfig +// [SECTION] ImFontAtlas +// [SECTION] ImFontAtlas glyph ranges helpers +// [SECTION] ImFontGlyphRangesBuilder +// [SECTION] ImFont +// [SECTION] ImGui Internal Render Helpers +// [SECTION] Decompression code +// [SECTION] Default font data (ProggyClean.ttf) + +*/ + +#if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS) +#define _CRT_SECURE_NO_WARNINGS +#endif + +#include "imgui.h" +#ifndef IMGUI_DISABLE + +#ifndef IMGUI_DEFINE_MATH_OPERATORS +#define IMGUI_DEFINE_MATH_OPERATORS +#endif +#include "imgui_internal.h" + +#include // vsnprintf, sscanf, printf +#if !defined(alloca) +#if defined(__GLIBC__) || defined(__sun) || defined(__CYGWIN__) || defined(__APPLE__) || defined(__SWITCH__) +#include // alloca (glibc uses . Note that Cygwin may have _WIN32 defined, so the order matters here) +#elif defined(_WIN32) +#include // alloca +#if !defined(alloca) +#define alloca _alloca // for clang with MS Codegen +#endif +#else +#include // alloca +#endif +#endif + +// Visual Studio warnings +#ifdef _MSC_VER +#pragma warning (disable: 4127) // condition expression is constant +#pragma warning (disable: 4505) // unreferenced local function has been removed (stb stuff) +#pragma warning (disable: 4996) // 'This function or variable may be unsafe': strcpy, strdup, sprintf, vsnprintf, sscanf, fopen +#endif + +// Clang/GCC warnings with -Weverything +#if defined(__clang__) +#pragma clang diagnostic ignored "-Wold-style-cast" // warning : use of old-style cast // yes, they are more terse. +#pragma clang diagnostic ignored "-Wfloat-equal" // warning : comparing floating point with == or != is unsafe // storing and comparing against same constants ok. +#pragma clang diagnostic ignored "-Wglobal-constructors" // warning : declaration requires a global destructor // similar to above, not sure what the exact difference is. +#pragma clang diagnostic ignored "-Wsign-conversion" // warning : implicit conversion changes signedness // +#if __has_warning("-Wzero-as-null-pointer-constant") +#pragma clang diagnostic ignored "-Wzero-as-null-pointer-constant" // warning : zero as null pointer constant // some standard header variations use #define NULL 0 +#endif +#if __has_warning("-Wcomma") +#pragma clang diagnostic ignored "-Wcomma" // warning : possible misuse of comma operator here // +#endif +#if __has_warning("-Wreserved-id-macro") +#pragma clang diagnostic ignored "-Wreserved-id-macro" // warning : macro name is a reserved identifier // +#endif +#if __has_warning("-Wdouble-promotion") +#pragma clang diagnostic ignored "-Wdouble-promotion" // warning: implicit conversion from 'float' to 'double' when passing argument to function // using printf() is a misery with this as C++ va_arg ellipsis changes float to double. +#endif +#elif defined(__GNUC__) +#pragma GCC diagnostic ignored "-Wpragmas" // warning: unknown option after '#pragma GCC diagnostic' kind +#pragma GCC diagnostic ignored "-Wunused-function" // warning: 'xxxx' defined but not used +#pragma GCC diagnostic ignored "-Wdouble-promotion" // warning: implicit conversion from 'float' to 'double' when passing argument to function +#pragma GCC diagnostic ignored "-Wconversion" // warning: conversion to 'xxxx' from 'xxxx' may alter its value +#pragma GCC diagnostic ignored "-Wstack-protector" // warning: stack protector not protecting local variables: variable length buffer +#pragma GCC diagnostic ignored "-Wclass-memaccess" // [__GNUC__ >= 8] warning: 'memset/memcpy' clearing/writing an object of type 'xxxx' with no trivial copy-assignment; use assignment or value-initialization instead +#endif + +//------------------------------------------------------------------------- +// [SECTION] STB libraries implementation +//------------------------------------------------------------------------- + +// Compile time options: +//#define IMGUI_STB_NAMESPACE ImStb +//#define IMGUI_STB_TRUETYPE_FILENAME "my_folder/stb_truetype.h" +//#define IMGUI_STB_RECT_PACK_FILENAME "my_folder/stb_rect_pack.h" +//#define IMGUI_DISABLE_STB_TRUETYPE_IMPLEMENTATION +//#define IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION + +#ifdef IMGUI_STB_NAMESPACE +namespace IMGUI_STB_NAMESPACE +{ +#endif + +#ifdef _MSC_VER +#pragma warning (push) +#pragma warning (disable: 4456) // declaration of 'xx' hides previous local declaration +#endif + +#if defined(__clang__) +#pragma clang diagnostic push +#pragma clang diagnostic ignored "-Wunused-function" +#pragma clang diagnostic ignored "-Wmissing-prototypes" +#pragma clang diagnostic ignored "-Wimplicit-fallthrough" +#pragma clang diagnostic ignored "-Wcast-qual" // warning : cast from 'const xxxx *' to 'xxx *' drops const qualifier // +#endif + +#if defined(__GNUC__) +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wtype-limits" // warning: comparison is always true due to limited range of data type [-Wtype-limits] +#pragma GCC diagnostic ignored "-Wcast-qual" // warning: cast from type 'const xxxx *' to type 'xxxx *' casts away qualifiers +#endif + +#ifndef STB_RECT_PACK_IMPLEMENTATION // in case the user already have an implementation in the _same_ compilation unit (e.g. unity builds) +#ifndef IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION +#define STBRP_STATIC +#define STBRP_ASSERT(x) IM_ASSERT(x) +#define STBRP_SORT ImQsort +#define STB_RECT_PACK_IMPLEMENTATION +#endif +#ifdef IMGUI_STB_RECT_PACK_FILENAME +#include IMGUI_STB_RECT_PACK_FILENAME +#else +#include "imstb_rectpack.h" +#endif +#endif + +#ifndef STB_TRUETYPE_IMPLEMENTATION // in case the user already have an implementation in the _same_ compilation unit (e.g. unity builds) +#ifndef IMGUI_DISABLE_STB_TRUETYPE_IMPLEMENTATION +#define STBTT_malloc(x,u) ((void)(u), IM_ALLOC(x)) +#define STBTT_free(x,u) ((void)(u), IM_FREE(x)) +#define STBTT_assert(x) IM_ASSERT(x) +#define STBTT_fmod(x,y) ImFmod(x,y) +#define STBTT_sqrt(x) ImSqrt(x) +#define STBTT_pow(x,y) ImPow(x,y) +#define STBTT_fabs(x) ImFabs(x) +#define STBTT_ifloor(x) ((int)ImFloorStd(x)) +#define STBTT_iceil(x) ((int)ImCeil(x)) +#define STBTT_STATIC +#define STB_TRUETYPE_IMPLEMENTATION +#else +#define STBTT_DEF extern +#endif +#ifdef IMGUI_STB_TRUETYPE_FILENAME +#include IMGUI_STB_TRUETYPE_FILENAME +#else +#include "imstb_truetype.h" +#endif +#endif + +#if defined(__GNUC__) +#pragma GCC diagnostic pop +#endif + +#if defined(__clang__) +#pragma clang diagnostic pop +#endif + +#if defined(_MSC_VER) +#pragma warning (pop) +#endif + +#ifdef IMGUI_STB_NAMESPACE +} // namespace ImStb +using namespace IMGUI_STB_NAMESPACE; +#endif + +//----------------------------------------------------------------------------- +// [SECTION] Style functions +//----------------------------------------------------------------------------- + +void ImGui::StyleColorsDark(ImGuiStyle* dst) +{ + ImGuiStyle* style = dst ? dst : &ImGui::GetStyle(); + ImVec4* colors = style->Colors; + + colors[ImGuiCol_Text] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f); + colors[ImGuiCol_TextDisabled] = ImVec4(0.50f, 0.50f, 0.50f, 1.00f); + colors[ImGuiCol_WindowBg] = ImVec4(0.06f, 0.06f, 0.06f, 0.94f); + colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); + colors[ImGuiCol_PopupBg] = ImVec4(0.08f, 0.08f, 0.08f, 0.94f); + colors[ImGuiCol_Border] = ImVec4(0.43f, 0.43f, 0.50f, 0.50f); + colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); + colors[ImGuiCol_FrameBg] = ImVec4(0.16f, 0.29f, 0.48f, 0.54f); + colors[ImGuiCol_FrameBgHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f); + colors[ImGuiCol_FrameBgActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f); + colors[ImGuiCol_TitleBg] = ImVec4(0.04f, 0.04f, 0.04f, 1.00f); + colors[ImGuiCol_TitleBgActive] = ImVec4(0.16f, 0.29f, 0.48f, 1.00f); + colors[ImGuiCol_TitleBgCollapsed] = ImVec4(0.00f, 0.00f, 0.00f, 0.51f); + colors[ImGuiCol_MenuBarBg] = ImVec4(0.14f, 0.14f, 0.14f, 1.00f); + colors[ImGuiCol_ScrollbarBg] = ImVec4(0.02f, 0.02f, 0.02f, 0.53f); + colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.31f, 0.31f, 0.31f, 1.00f); + colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.41f, 0.41f, 0.41f, 1.00f); + colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.51f, 0.51f, 0.51f, 1.00f); + colors[ImGuiCol_CheckMark] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); + colors[ImGuiCol_SliderGrab] = ImVec4(0.24f, 0.52f, 0.88f, 1.00f); + colors[ImGuiCol_SliderGrabActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); + colors[ImGuiCol_Button] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f); + colors[ImGuiCol_ButtonHovered] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); + colors[ImGuiCol_ButtonActive] = ImVec4(0.06f, 0.53f, 0.98f, 1.00f); + colors[ImGuiCol_Header] = ImVec4(0.26f, 0.59f, 0.98f, 0.31f); + colors[ImGuiCol_HeaderHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.80f); + colors[ImGuiCol_HeaderActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); + colors[ImGuiCol_Separator] = colors[ImGuiCol_Border]; + colors[ImGuiCol_SeparatorHovered] = ImVec4(0.10f, 0.40f, 0.75f, 0.78f); + colors[ImGuiCol_SeparatorActive] = ImVec4(0.10f, 0.40f, 0.75f, 1.00f); + colors[ImGuiCol_ResizeGrip] = ImVec4(0.26f, 0.59f, 0.98f, 0.25f); + colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f); + colors[ImGuiCol_ResizeGripActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f); + colors[ImGuiCol_Tab] = ImLerp(colors[ImGuiCol_Header], colors[ImGuiCol_TitleBgActive], 0.80f); + colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered]; + colors[ImGuiCol_TabActive] = ImLerp(colors[ImGuiCol_HeaderActive], colors[ImGuiCol_TitleBgActive], 0.60f); + colors[ImGuiCol_TabUnfocused] = ImLerp(colors[ImGuiCol_Tab], colors[ImGuiCol_TitleBg], 0.80f); + colors[ImGuiCol_TabUnfocusedActive] = ImLerp(colors[ImGuiCol_TabActive], colors[ImGuiCol_TitleBg], 0.40f); + colors[ImGuiCol_PlotLines] = ImVec4(0.61f, 0.61f, 0.61f, 1.00f); + colors[ImGuiCol_PlotLinesHovered] = ImVec4(1.00f, 0.43f, 0.35f, 1.00f); + colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f); + colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.60f, 0.00f, 1.00f); + colors[ImGuiCol_TextSelectedBg] = ImVec4(0.26f, 0.59f, 0.98f, 0.35f); + colors[ImGuiCol_DragDropTarget] = ImVec4(1.00f, 1.00f, 0.00f, 0.90f); + colors[ImGuiCol_NavHighlight] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); + colors[ImGuiCol_NavWindowingHighlight] = ImVec4(1.00f, 1.00f, 1.00f, 0.70f); + colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.20f); + colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.35f); +} + +void ImGui::StyleColorsClassic(ImGuiStyle* dst) +{ + ImGuiStyle* style = dst ? dst : &ImGui::GetStyle(); + ImVec4* colors = style->Colors; + + colors[ImGuiCol_Text] = ImVec4(0.90f, 0.90f, 0.90f, 1.00f); + colors[ImGuiCol_TextDisabled] = ImVec4(0.60f, 0.60f, 0.60f, 1.00f); + colors[ImGuiCol_WindowBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.70f); + colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); + colors[ImGuiCol_PopupBg] = ImVec4(0.11f, 0.11f, 0.14f, 0.92f); + colors[ImGuiCol_Border] = ImVec4(0.50f, 0.50f, 0.50f, 0.50f); + colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); + colors[ImGuiCol_FrameBg] = ImVec4(0.43f, 0.43f, 0.43f, 0.39f); + colors[ImGuiCol_FrameBgHovered] = ImVec4(0.47f, 0.47f, 0.69f, 0.40f); + colors[ImGuiCol_FrameBgActive] = ImVec4(0.42f, 0.41f, 0.64f, 0.69f); + colors[ImGuiCol_TitleBg] = ImVec4(0.27f, 0.27f, 0.54f, 0.83f); + colors[ImGuiCol_TitleBgActive] = ImVec4(0.32f, 0.32f, 0.63f, 0.87f); + colors[ImGuiCol_TitleBgCollapsed] = ImVec4(0.40f, 0.40f, 0.80f, 0.20f); + colors[ImGuiCol_MenuBarBg] = ImVec4(0.40f, 0.40f, 0.55f, 0.80f); + colors[ImGuiCol_ScrollbarBg] = ImVec4(0.20f, 0.25f, 0.30f, 0.60f); + colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.40f, 0.40f, 0.80f, 0.30f); + colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.40f, 0.40f, 0.80f, 0.40f); + colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.41f, 0.39f, 0.80f, 0.60f); + colors[ImGuiCol_CheckMark] = ImVec4(0.90f, 0.90f, 0.90f, 0.50f); + colors[ImGuiCol_SliderGrab] = ImVec4(1.00f, 1.00f, 1.00f, 0.30f); + colors[ImGuiCol_SliderGrabActive] = ImVec4(0.41f, 0.39f, 0.80f, 0.60f); + colors[ImGuiCol_Button] = ImVec4(0.35f, 0.40f, 0.61f, 0.62f); + colors[ImGuiCol_ButtonHovered] = ImVec4(0.40f, 0.48f, 0.71f, 0.79f); + colors[ImGuiCol_ButtonActive] = ImVec4(0.46f, 0.54f, 0.80f, 1.00f); + colors[ImGuiCol_Header] = ImVec4(0.40f, 0.40f, 0.90f, 0.45f); + colors[ImGuiCol_HeaderHovered] = ImVec4(0.45f, 0.45f, 0.90f, 0.80f); + colors[ImGuiCol_HeaderActive] = ImVec4(0.53f, 0.53f, 0.87f, 0.80f); + colors[ImGuiCol_Separator] = ImVec4(0.50f, 0.50f, 0.50f, 0.60f); + colors[ImGuiCol_SeparatorHovered] = ImVec4(0.60f, 0.60f, 0.70f, 1.00f); + colors[ImGuiCol_SeparatorActive] = ImVec4(0.70f, 0.70f, 0.90f, 1.00f); + colors[ImGuiCol_ResizeGrip] = ImVec4(1.00f, 1.00f, 1.00f, 0.16f); + colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.78f, 0.82f, 1.00f, 0.60f); + colors[ImGuiCol_ResizeGripActive] = ImVec4(0.78f, 0.82f, 1.00f, 0.90f); + colors[ImGuiCol_Tab] = ImLerp(colors[ImGuiCol_Header], colors[ImGuiCol_TitleBgActive], 0.80f); + colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered]; + colors[ImGuiCol_TabActive] = ImLerp(colors[ImGuiCol_HeaderActive], colors[ImGuiCol_TitleBgActive], 0.60f); + colors[ImGuiCol_TabUnfocused] = ImLerp(colors[ImGuiCol_Tab], colors[ImGuiCol_TitleBg], 0.80f); + colors[ImGuiCol_TabUnfocusedActive] = ImLerp(colors[ImGuiCol_TabActive], colors[ImGuiCol_TitleBg], 0.40f); + colors[ImGuiCol_PlotLines] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f); + colors[ImGuiCol_PlotLinesHovered] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f); + colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f); + colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.60f, 0.00f, 1.00f); + colors[ImGuiCol_TextSelectedBg] = ImVec4(0.00f, 0.00f, 1.00f, 0.35f); + colors[ImGuiCol_DragDropTarget] = ImVec4(1.00f, 1.00f, 0.00f, 0.90f); + colors[ImGuiCol_NavHighlight] = colors[ImGuiCol_HeaderHovered]; + colors[ImGuiCol_NavWindowingHighlight] = ImVec4(1.00f, 1.00f, 1.00f, 0.70f); + colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.20f); + colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.35f); +} + +// Those light colors are better suited with a thicker font than the default one + FrameBorder +void ImGui::StyleColorsLight(ImGuiStyle* dst) +{ + ImGuiStyle* style = dst ? dst : &ImGui::GetStyle(); + ImVec4* colors = style->Colors; + + colors[ImGuiCol_Text] = ImVec4(0.00f, 0.00f, 0.00f, 1.00f); + colors[ImGuiCol_TextDisabled] = ImVec4(0.60f, 0.60f, 0.60f, 1.00f); + colors[ImGuiCol_WindowBg] = ImVec4(0.94f, 0.94f, 0.94f, 1.00f); + colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); + colors[ImGuiCol_PopupBg] = ImVec4(1.00f, 1.00f, 1.00f, 0.98f); + colors[ImGuiCol_Border] = ImVec4(0.00f, 0.00f, 0.00f, 0.30f); + colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); + colors[ImGuiCol_FrameBg] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f); + colors[ImGuiCol_FrameBgHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f); + colors[ImGuiCol_FrameBgActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f); + colors[ImGuiCol_TitleBg] = ImVec4(0.96f, 0.96f, 0.96f, 1.00f); + colors[ImGuiCol_TitleBgActive] = ImVec4(0.82f, 0.82f, 0.82f, 1.00f); + colors[ImGuiCol_TitleBgCollapsed] = ImVec4(1.00f, 1.00f, 1.00f, 0.51f); + colors[ImGuiCol_MenuBarBg] = ImVec4(0.86f, 0.86f, 0.86f, 1.00f); + colors[ImGuiCol_ScrollbarBg] = ImVec4(0.98f, 0.98f, 0.98f, 0.53f); + colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.69f, 0.69f, 0.69f, 0.80f); + colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.49f, 0.49f, 0.49f, 0.80f); + colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.49f, 0.49f, 0.49f, 1.00f); + colors[ImGuiCol_CheckMark] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); + colors[ImGuiCol_SliderGrab] = ImVec4(0.26f, 0.59f, 0.98f, 0.78f); + colors[ImGuiCol_SliderGrabActive] = ImVec4(0.46f, 0.54f, 0.80f, 0.60f); + colors[ImGuiCol_Button] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f); + colors[ImGuiCol_ButtonHovered] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); + colors[ImGuiCol_ButtonActive] = ImVec4(0.06f, 0.53f, 0.98f, 1.00f); + colors[ImGuiCol_Header] = ImVec4(0.26f, 0.59f, 0.98f, 0.31f); + colors[ImGuiCol_HeaderHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.80f); + colors[ImGuiCol_HeaderActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); + colors[ImGuiCol_Separator] = ImVec4(0.39f, 0.39f, 0.39f, 0.62f); + colors[ImGuiCol_SeparatorHovered] = ImVec4(0.14f, 0.44f, 0.80f, 0.78f); + colors[ImGuiCol_SeparatorActive] = ImVec4(0.14f, 0.44f, 0.80f, 1.00f); + colors[ImGuiCol_ResizeGrip] = ImVec4(0.80f, 0.80f, 0.80f, 0.56f); + colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f); + colors[ImGuiCol_ResizeGripActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f); + colors[ImGuiCol_Tab] = ImLerp(colors[ImGuiCol_Header], colors[ImGuiCol_TitleBgActive], 0.90f); + colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered]; + colors[ImGuiCol_TabActive] = ImLerp(colors[ImGuiCol_HeaderActive], colors[ImGuiCol_TitleBgActive], 0.60f); + colors[ImGuiCol_TabUnfocused] = ImLerp(colors[ImGuiCol_Tab], colors[ImGuiCol_TitleBg], 0.80f); + colors[ImGuiCol_TabUnfocusedActive] = ImLerp(colors[ImGuiCol_TabActive], colors[ImGuiCol_TitleBg], 0.40f); + colors[ImGuiCol_PlotLines] = ImVec4(0.39f, 0.39f, 0.39f, 1.00f); + colors[ImGuiCol_PlotLinesHovered] = ImVec4(1.00f, 0.43f, 0.35f, 1.00f); + colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f); + colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.45f, 0.00f, 1.00f); + colors[ImGuiCol_TextSelectedBg] = ImVec4(0.26f, 0.59f, 0.98f, 0.35f); + colors[ImGuiCol_DragDropTarget] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f); + colors[ImGuiCol_NavHighlight] = colors[ImGuiCol_HeaderHovered]; + colors[ImGuiCol_NavWindowingHighlight] = ImVec4(0.70f, 0.70f, 0.70f, 0.70f); + colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.20f); + colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.35f); +} + +//----------------------------------------------------------------------------- +// ImDrawList +//----------------------------------------------------------------------------- + +ImDrawListSharedData::ImDrawListSharedData() +{ + Font = NULL; + FontSize = 0.0f; + CurveTessellationTol = 0.0f; + CircleSegmentMaxError = 0.0f; + ClipRectFullscreen = ImVec4(-8192.0f, -8192.0f, +8192.0f, +8192.0f); + InitialFlags = ImDrawListFlags_None; + + // Lookup tables + for (int i = 0; i < IM_ARRAYSIZE(ArcFastVtx); i++) + { + const float a = ((float)i * 2 * IM_PI) / (float)IM_ARRAYSIZE(ArcFastVtx); + ArcFastVtx[i] = ImVec2(ImCos(a), ImSin(a)); + } + memset(CircleSegmentCounts, 0, sizeof(CircleSegmentCounts)); // This will be set by SetCircleSegmentMaxError() +} + +void ImDrawListSharedData::SetCircleSegmentMaxError(float max_error) +{ + if (CircleSegmentMaxError == max_error) + return; + CircleSegmentMaxError = max_error; + for (int i = 0; i < IM_ARRAYSIZE(CircleSegmentCounts); i++) + { + const float radius = i + 1.0f; + const int segment_count = IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC(radius, CircleSegmentMaxError); + CircleSegmentCounts[i] = (ImU8)ImMin(segment_count, 255); + } +} + +void ImDrawList::Clear() +{ + CmdBuffer.resize(0); + IdxBuffer.resize(0); + VtxBuffer.resize(0); + Flags = _Data ? _Data->InitialFlags : ImDrawListFlags_None; + _VtxCurrentOffset = 0; + _VtxCurrentIdx = 0; + _VtxWritePtr = NULL; + _IdxWritePtr = NULL; + _ClipRectStack.resize(0); + _TextureIdStack.resize(0); + _Path.resize(0); + _Splitter.Clear(); +} + +void ImDrawList::ClearFreeMemory() +{ + CmdBuffer.clear(); + IdxBuffer.clear(); + VtxBuffer.clear(); + _VtxCurrentIdx = 0; + _VtxWritePtr = NULL; + _IdxWritePtr = NULL; + _ClipRectStack.clear(); + _TextureIdStack.clear(); + _Path.clear(); + _Splitter.ClearFreeMemory(); +} + +ImDrawList* ImDrawList::CloneOutput() const +{ + ImDrawList* dst = IM_NEW(ImDrawList(_Data)); + dst->CmdBuffer = CmdBuffer; + dst->IdxBuffer = IdxBuffer; + dst->VtxBuffer = VtxBuffer; + dst->Flags = Flags; + return dst; +} + +// Using macros because C++ is a terrible language, we want guaranteed inline, no code in header, and no overhead in Debug builds +#define GetCurrentClipRect() (_ClipRectStack.Size ? _ClipRectStack.Data[_ClipRectStack.Size-1] : _Data->ClipRectFullscreen) +#define GetCurrentTextureId() (_TextureIdStack.Size ? _TextureIdStack.Data[_TextureIdStack.Size-1] : (ImTextureID)NULL) + +void ImDrawList::AddDrawCmd() +{ + ImDrawCmd draw_cmd; + draw_cmd.ClipRect = GetCurrentClipRect(); + draw_cmd.TextureId = GetCurrentTextureId(); + draw_cmd.VtxOffset = _VtxCurrentOffset; + draw_cmd.IdxOffset = IdxBuffer.Size; + + IM_ASSERT(draw_cmd.ClipRect.x <= draw_cmd.ClipRect.z && draw_cmd.ClipRect.y <= draw_cmd.ClipRect.w); + CmdBuffer.push_back(draw_cmd); +} + +void ImDrawList::AddCallback(ImDrawCallback callback, void* callback_data) +{ + ImDrawCmd* current_cmd = CmdBuffer.Size ? &CmdBuffer.back() : NULL; + if (!current_cmd || current_cmd->ElemCount != 0 || current_cmd->UserCallback != NULL) + { + AddDrawCmd(); + current_cmd = &CmdBuffer.back(); + } + current_cmd->UserCallback = callback; + current_cmd->UserCallbackData = callback_data; + + AddDrawCmd(); // Force a new command after us (see comment below) +} + +// Our scheme may appears a bit unusual, basically we want the most-common calls AddLine AddRect etc. to not have to perform any check so we always have a command ready in the stack. +// The cost of figuring out if a new command has to be added or if we can merge is paid in those Update** functions only. +void ImDrawList::UpdateClipRect() +{ + // If current command is used with different settings we need to add a new command + const ImVec4 curr_clip_rect = GetCurrentClipRect(); + ImDrawCmd* curr_cmd = CmdBuffer.Size > 0 ? &CmdBuffer.Data[CmdBuffer.Size-1] : NULL; + if (!curr_cmd || (curr_cmd->ElemCount != 0 && memcmp(&curr_cmd->ClipRect, &curr_clip_rect, sizeof(ImVec4)) != 0) || curr_cmd->UserCallback != NULL) + { + AddDrawCmd(); + return; + } + + // Try to merge with previous command if it matches, else use current command + ImDrawCmd* prev_cmd = CmdBuffer.Size > 1 ? curr_cmd - 1 : NULL; + if (curr_cmd->ElemCount == 0 && prev_cmd && memcmp(&prev_cmd->ClipRect, &curr_clip_rect, sizeof(ImVec4)) == 0 && prev_cmd->TextureId == GetCurrentTextureId() && prev_cmd->UserCallback == NULL) + CmdBuffer.pop_back(); + else + curr_cmd->ClipRect = curr_clip_rect; +} + +void ImDrawList::UpdateTextureID() +{ + // If current command is used with different settings we need to add a new command + const ImTextureID curr_texture_id = GetCurrentTextureId(); + ImDrawCmd* curr_cmd = CmdBuffer.Size ? &CmdBuffer.back() : NULL; + if (!curr_cmd || (curr_cmd->ElemCount != 0 && curr_cmd->TextureId != curr_texture_id) || curr_cmd->UserCallback != NULL) + { + AddDrawCmd(); + return; + } + + // Try to merge with previous command if it matches, else use current command + ImDrawCmd* prev_cmd = CmdBuffer.Size > 1 ? curr_cmd - 1 : NULL; + if (curr_cmd->ElemCount == 0 && prev_cmd && prev_cmd->TextureId == curr_texture_id && memcmp(&prev_cmd->ClipRect, &GetCurrentClipRect(), sizeof(ImVec4)) == 0 && prev_cmd->UserCallback == NULL) + CmdBuffer.pop_back(); + else + curr_cmd->TextureId = curr_texture_id; +} + +#undef GetCurrentClipRect +#undef GetCurrentTextureId + +// Render-level scissoring. This is passed down to your render function but not used for CPU-side coarse clipping. Prefer using higher-level ImGui::PushClipRect() to affect logic (hit-testing and widget culling) +void ImDrawList::PushClipRect(ImVec2 cr_min, ImVec2 cr_max, bool intersect_with_current_clip_rect) +{ + ImVec4 cr(cr_min.x, cr_min.y, cr_max.x, cr_max.y); + if (intersect_with_current_clip_rect && _ClipRectStack.Size) + { + ImVec4 current = _ClipRectStack.Data[_ClipRectStack.Size-1]; + if (cr.x < current.x) cr.x = current.x; + if (cr.y < current.y) cr.y = current.y; + if (cr.z > current.z) cr.z = current.z; + if (cr.w > current.w) cr.w = current.w; + } + cr.z = ImMax(cr.x, cr.z); + cr.w = ImMax(cr.y, cr.w); + + _ClipRectStack.push_back(cr); + UpdateClipRect(); +} + +void ImDrawList::PushClipRectFullScreen() +{ + PushClipRect(ImVec2(_Data->ClipRectFullscreen.x, _Data->ClipRectFullscreen.y), ImVec2(_Data->ClipRectFullscreen.z, _Data->ClipRectFullscreen.w)); +} + +void ImDrawList::PopClipRect() +{ + IM_ASSERT(_ClipRectStack.Size > 0); + _ClipRectStack.pop_back(); + UpdateClipRect(); +} + +void ImDrawList::PushTextureID(ImTextureID texture_id) +{ + _TextureIdStack.push_back(texture_id); + UpdateTextureID(); +} + +void ImDrawList::PopTextureID() +{ + IM_ASSERT(_TextureIdStack.Size > 0); + _TextureIdStack.pop_back(); + UpdateTextureID(); +} + +// Reserve space for a number of vertices and indices. +// You must finish filling your reserved data before calling PrimReserve() again, as it may reallocate or +// submit the intermediate results. PrimUnreserve() can be used to release unused allocations. +void ImDrawList::PrimReserve(int idx_count, int vtx_count) +{ + // Large mesh support (when enabled) + IM_ASSERT_PARANOID(idx_count >= 0 && vtx_count >= 0); + if (sizeof(ImDrawIdx) == 2 && (_VtxCurrentIdx + vtx_count >= (1 << 16)) && (Flags & ImDrawListFlags_AllowVtxOffset)) + { + _VtxCurrentOffset = VtxBuffer.Size; + _VtxCurrentIdx = 0; + AddDrawCmd(); + } + + ImDrawCmd& draw_cmd = CmdBuffer.Data[CmdBuffer.Size - 1]; + draw_cmd.ElemCount += idx_count; + + int vtx_buffer_old_size = VtxBuffer.Size; + VtxBuffer.resize(vtx_buffer_old_size + vtx_count); + _VtxWritePtr = VtxBuffer.Data + vtx_buffer_old_size; + + int idx_buffer_old_size = IdxBuffer.Size; + IdxBuffer.resize(idx_buffer_old_size + idx_count); + _IdxWritePtr = IdxBuffer.Data + idx_buffer_old_size; +} + +// Release the a number of reserved vertices/indices from the end of the last reservation made with PrimReserve(). +void ImDrawList::PrimUnreserve(int idx_count, int vtx_count) +{ + IM_ASSERT_PARANOID(idx_count >= 0 && vtx_count >= 0); + + ImDrawCmd& draw_cmd = CmdBuffer.Data[CmdBuffer.Size - 1]; + draw_cmd.ElemCount -= idx_count; + VtxBuffer.shrink(VtxBuffer.Size - vtx_count); + IdxBuffer.shrink(IdxBuffer.Size - idx_count); +} + +// Fully unrolled with inline call to keep our debug builds decently fast. +void ImDrawList::PrimRect(const ImVec2& a, const ImVec2& c, ImU32 col) +{ + ImVec2 b(c.x, a.y), d(a.x, c.y), uv(_Data->TexUvWhitePixel); + ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx; + _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2); + _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3); + _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col; + _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col; + _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col; + _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv; _VtxWritePtr[3].col = col; + _VtxWritePtr += 4; + _VtxCurrentIdx += 4; + _IdxWritePtr += 6; +} + +void ImDrawList::PrimRectUV(const ImVec2& a, const ImVec2& c, const ImVec2& uv_a, const ImVec2& uv_c, ImU32 col) +{ + ImVec2 b(c.x, a.y), d(a.x, c.y), uv_b(uv_c.x, uv_a.y), uv_d(uv_a.x, uv_c.y); + ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx; + _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2); + _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3); + _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv_a; _VtxWritePtr[0].col = col; + _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv_b; _VtxWritePtr[1].col = col; + _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv_c; _VtxWritePtr[2].col = col; + _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv_d; _VtxWritePtr[3].col = col; + _VtxWritePtr += 4; + _VtxCurrentIdx += 4; + _IdxWritePtr += 6; +} + +void ImDrawList::PrimQuadUV(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& d, const ImVec2& uv_a, const ImVec2& uv_b, const ImVec2& uv_c, const ImVec2& uv_d, ImU32 col) +{ + ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx; + _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2); + _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3); + _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv_a; _VtxWritePtr[0].col = col; + _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv_b; _VtxWritePtr[1].col = col; + _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv_c; _VtxWritePtr[2].col = col; + _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv_d; _VtxWritePtr[3].col = col; + _VtxWritePtr += 4; + _VtxCurrentIdx += 4; + _IdxWritePtr += 6; +} + +// On AddPolyline() and AddConvexPolyFilled() we intentionally avoid using ImVec2 and superflous function calls to optimize debug/non-inlined builds. +// Those macros expects l-values. +#define IM_NORMALIZE2F_OVER_ZERO(VX,VY) do { float d2 = VX*VX + VY*VY; if (d2 > 0.0f) { float inv_len = 1.0f / ImSqrt(d2); VX *= inv_len; VY *= inv_len; } } while (0) +#define IM_FIXNORMAL2F(VX,VY) do { float d2 = VX*VX + VY*VY; if (d2 < 0.5f) d2 = 0.5f; float inv_lensq = 1.0f / d2; VX *= inv_lensq; VY *= inv_lensq; } while (0) + +// TODO: Thickness anti-aliased lines cap are missing their AA fringe. +// We avoid using the ImVec2 math operators here to reduce cost to a minimum for debug/non-inlined builds. +void ImDrawList::AddPolyline(const ImVec2* points, const int points_count, ImU32 col, bool closed, float thickness) +{ + if (points_count < 2) + return; + + const ImVec2 uv = _Data->TexUvWhitePixel; + + int count = points_count; + if (!closed) + count = points_count-1; + + const bool thick_line = thickness > 1.0f; + if (Flags & ImDrawListFlags_AntiAliasedLines) + { + // Anti-aliased stroke + const float AA_SIZE = 1.0f; + const ImU32 col_trans = col & ~IM_COL32_A_MASK; + + const int idx_count = thick_line ? count*18 : count*12; + const int vtx_count = thick_line ? points_count*4 : points_count*3; + PrimReserve(idx_count, vtx_count); + + // Temporary buffer + ImVec2* temp_normals = (ImVec2*)alloca(points_count * (thick_line ? 5 : 3) * sizeof(ImVec2)); //-V630 + ImVec2* temp_points = temp_normals + points_count; + + for (int i1 = 0; i1 < count; i1++) + { + const int i2 = (i1+1) == points_count ? 0 : i1+1; + float dx = points[i2].x - points[i1].x; + float dy = points[i2].y - points[i1].y; + IM_NORMALIZE2F_OVER_ZERO(dx, dy); + temp_normals[i1].x = dy; + temp_normals[i1].y = -dx; + } + if (!closed) + temp_normals[points_count-1] = temp_normals[points_count-2]; + + if (!thick_line) + { + if (!closed) + { + temp_points[0] = points[0] + temp_normals[0] * AA_SIZE; + temp_points[1] = points[0] - temp_normals[0] * AA_SIZE; + temp_points[(points_count-1)*2+0] = points[points_count-1] + temp_normals[points_count-1] * AA_SIZE; + temp_points[(points_count-1)*2+1] = points[points_count-1] - temp_normals[points_count-1] * AA_SIZE; + } + + // FIXME-OPT: Merge the different loops, possibly remove the temporary buffer. + unsigned int idx1 = _VtxCurrentIdx; + for (int i1 = 0; i1 < count; i1++) + { + const int i2 = (i1+1) == points_count ? 0 : i1+1; + unsigned int idx2 = (i1+1) == points_count ? _VtxCurrentIdx : idx1+3; + + // Average normals + float dm_x = (temp_normals[i1].x + temp_normals[i2].x) * 0.5f; + float dm_y = (temp_normals[i1].y + temp_normals[i2].y) * 0.5f; + IM_FIXNORMAL2F(dm_x, dm_y); + dm_x *= AA_SIZE; + dm_y *= AA_SIZE; + + // Add temporary vertexes + ImVec2* out_vtx = &temp_points[i2*2]; + out_vtx[0].x = points[i2].x + dm_x; + out_vtx[0].y = points[i2].y + dm_y; + out_vtx[1].x = points[i2].x - dm_x; + out_vtx[1].y = points[i2].y - dm_y; + + // Add indexes + _IdxWritePtr[0] = (ImDrawIdx)(idx2+0); _IdxWritePtr[1] = (ImDrawIdx)(idx1+0); _IdxWritePtr[2] = (ImDrawIdx)(idx1+2); + _IdxWritePtr[3] = (ImDrawIdx)(idx1+2); _IdxWritePtr[4] = (ImDrawIdx)(idx2+2); _IdxWritePtr[5] = (ImDrawIdx)(idx2+0); + _IdxWritePtr[6] = (ImDrawIdx)(idx2+1); _IdxWritePtr[7] = (ImDrawIdx)(idx1+1); _IdxWritePtr[8] = (ImDrawIdx)(idx1+0); + _IdxWritePtr[9] = (ImDrawIdx)(idx1+0); _IdxWritePtr[10]= (ImDrawIdx)(idx2+0); _IdxWritePtr[11]= (ImDrawIdx)(idx2+1); + _IdxWritePtr += 12; + + idx1 = idx2; + } + + // Add vertexes + for (int i = 0; i < points_count; i++) + { + _VtxWritePtr[0].pos = points[i]; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col; + _VtxWritePtr[1].pos = temp_points[i*2+0]; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col_trans; + _VtxWritePtr[2].pos = temp_points[i*2+1]; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col_trans; + _VtxWritePtr += 3; + } + } + else + { + const float half_inner_thickness = (thickness - AA_SIZE) * 0.5f; + if (!closed) + { + temp_points[0] = points[0] + temp_normals[0] * (half_inner_thickness + AA_SIZE); + temp_points[1] = points[0] + temp_normals[0] * (half_inner_thickness); + temp_points[2] = points[0] - temp_normals[0] * (half_inner_thickness); + temp_points[3] = points[0] - temp_normals[0] * (half_inner_thickness + AA_SIZE); + temp_points[(points_count-1)*4+0] = points[points_count-1] + temp_normals[points_count-1] * (half_inner_thickness + AA_SIZE); + temp_points[(points_count-1)*4+1] = points[points_count-1] + temp_normals[points_count-1] * (half_inner_thickness); + temp_points[(points_count-1)*4+2] = points[points_count-1] - temp_normals[points_count-1] * (half_inner_thickness); + temp_points[(points_count-1)*4+3] = points[points_count-1] - temp_normals[points_count-1] * (half_inner_thickness + AA_SIZE); + } + + // FIXME-OPT: Merge the different loops, possibly remove the temporary buffer. + unsigned int idx1 = _VtxCurrentIdx; + for (int i1 = 0; i1 < count; i1++) + { + const int i2 = (i1+1) == points_count ? 0 : i1+1; + unsigned int idx2 = (i1+1) == points_count ? _VtxCurrentIdx : idx1+4; + + // Average normals + float dm_x = (temp_normals[i1].x + temp_normals[i2].x) * 0.5f; + float dm_y = (temp_normals[i1].y + temp_normals[i2].y) * 0.5f; + IM_FIXNORMAL2F(dm_x, dm_y); + float dm_out_x = dm_x * (half_inner_thickness + AA_SIZE); + float dm_out_y = dm_y * (half_inner_thickness + AA_SIZE); + float dm_in_x = dm_x * half_inner_thickness; + float dm_in_y = dm_y * half_inner_thickness; + + // Add temporary vertexes + ImVec2* out_vtx = &temp_points[i2*4]; + out_vtx[0].x = points[i2].x + dm_out_x; + out_vtx[0].y = points[i2].y + dm_out_y; + out_vtx[1].x = points[i2].x + dm_in_x; + out_vtx[1].y = points[i2].y + dm_in_y; + out_vtx[2].x = points[i2].x - dm_in_x; + out_vtx[2].y = points[i2].y - dm_in_y; + out_vtx[3].x = points[i2].x - dm_out_x; + out_vtx[3].y = points[i2].y - dm_out_y; + + // Add indexes + _IdxWritePtr[0] = (ImDrawIdx)(idx2+1); _IdxWritePtr[1] = (ImDrawIdx)(idx1+1); _IdxWritePtr[2] = (ImDrawIdx)(idx1+2); + _IdxWritePtr[3] = (ImDrawIdx)(idx1+2); _IdxWritePtr[4] = (ImDrawIdx)(idx2+2); _IdxWritePtr[5] = (ImDrawIdx)(idx2+1); + _IdxWritePtr[6] = (ImDrawIdx)(idx2+1); _IdxWritePtr[7] = (ImDrawIdx)(idx1+1); _IdxWritePtr[8] = (ImDrawIdx)(idx1+0); + _IdxWritePtr[9] = (ImDrawIdx)(idx1+0); _IdxWritePtr[10] = (ImDrawIdx)(idx2+0); _IdxWritePtr[11] = (ImDrawIdx)(idx2+1); + _IdxWritePtr[12] = (ImDrawIdx)(idx2+2); _IdxWritePtr[13] = (ImDrawIdx)(idx1+2); _IdxWritePtr[14] = (ImDrawIdx)(idx1+3); + _IdxWritePtr[15] = (ImDrawIdx)(idx1+3); _IdxWritePtr[16] = (ImDrawIdx)(idx2+3); _IdxWritePtr[17] = (ImDrawIdx)(idx2+2); + _IdxWritePtr += 18; + + idx1 = idx2; + } + + // Add vertexes + for (int i = 0; i < points_count; i++) + { + _VtxWritePtr[0].pos = temp_points[i*4+0]; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col_trans; + _VtxWritePtr[1].pos = temp_points[i*4+1]; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col; + _VtxWritePtr[2].pos = temp_points[i*4+2]; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col; + _VtxWritePtr[3].pos = temp_points[i*4+3]; _VtxWritePtr[3].uv = uv; _VtxWritePtr[3].col = col_trans; + _VtxWritePtr += 4; + } + } + _VtxCurrentIdx += (ImDrawIdx)vtx_count; + } + else + { + // Non Anti-aliased Stroke + const int idx_count = count*6; + const int vtx_count = count*4; // FIXME-OPT: Not sharing edges + PrimReserve(idx_count, vtx_count); + + for (int i1 = 0; i1 < count; i1++) + { + const int i2 = (i1+1) == points_count ? 0 : i1+1; + const ImVec2& p1 = points[i1]; + const ImVec2& p2 = points[i2]; + + float dx = p2.x - p1.x; + float dy = p2.y - p1.y; + IM_NORMALIZE2F_OVER_ZERO(dx, dy); + dx *= (thickness * 0.5f); + dy *= (thickness * 0.5f); + + _VtxWritePtr[0].pos.x = p1.x + dy; _VtxWritePtr[0].pos.y = p1.y - dx; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col; + _VtxWritePtr[1].pos.x = p2.x + dy; _VtxWritePtr[1].pos.y = p2.y - dx; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col; + _VtxWritePtr[2].pos.x = p2.x - dy; _VtxWritePtr[2].pos.y = p2.y + dx; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col; + _VtxWritePtr[3].pos.x = p1.x - dy; _VtxWritePtr[3].pos.y = p1.y + dx; _VtxWritePtr[3].uv = uv; _VtxWritePtr[3].col = col; + _VtxWritePtr += 4; + + _IdxWritePtr[0] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[1] = (ImDrawIdx)(_VtxCurrentIdx+1); _IdxWritePtr[2] = (ImDrawIdx)(_VtxCurrentIdx+2); + _IdxWritePtr[3] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[4] = (ImDrawIdx)(_VtxCurrentIdx+2); _IdxWritePtr[5] = (ImDrawIdx)(_VtxCurrentIdx+3); + _IdxWritePtr += 6; + _VtxCurrentIdx += 4; + } + } +} + +// We intentionally avoid using ImVec2 and its math operators here to reduce cost to a minimum for debug/non-inlined builds. +void ImDrawList::AddConvexPolyFilled(const ImVec2* points, const int points_count, ImU32 col) +{ + if (points_count < 3) + return; + + const ImVec2 uv = _Data->TexUvWhitePixel; + + if (Flags & ImDrawListFlags_AntiAliasedFill) + { + // Anti-aliased Fill + const float AA_SIZE = 1.0f; + const ImU32 col_trans = col & ~IM_COL32_A_MASK; + const int idx_count = (points_count-2)*3 + points_count*6; + const int vtx_count = (points_count*2); + PrimReserve(idx_count, vtx_count); + + // Add indexes for fill + unsigned int vtx_inner_idx = _VtxCurrentIdx; + unsigned int vtx_outer_idx = _VtxCurrentIdx+1; + for (int i = 2; i < points_count; i++) + { + _IdxWritePtr[0] = (ImDrawIdx)(vtx_inner_idx); _IdxWritePtr[1] = (ImDrawIdx)(vtx_inner_idx+((i-1)<<1)); _IdxWritePtr[2] = (ImDrawIdx)(vtx_inner_idx+(i<<1)); + _IdxWritePtr += 3; + } + + // Compute normals + ImVec2* temp_normals = (ImVec2*)alloca(points_count * sizeof(ImVec2)); //-V630 + for (int i0 = points_count-1, i1 = 0; i1 < points_count; i0 = i1++) + { + const ImVec2& p0 = points[i0]; + const ImVec2& p1 = points[i1]; + float dx = p1.x - p0.x; + float dy = p1.y - p0.y; + IM_NORMALIZE2F_OVER_ZERO(dx, dy); + temp_normals[i0].x = dy; + temp_normals[i0].y = -dx; + } + + for (int i0 = points_count-1, i1 = 0; i1 < points_count; i0 = i1++) + { + // Average normals + const ImVec2& n0 = temp_normals[i0]; + const ImVec2& n1 = temp_normals[i1]; + float dm_x = (n0.x + n1.x) * 0.5f; + float dm_y = (n0.y + n1.y) * 0.5f; + IM_FIXNORMAL2F(dm_x, dm_y); + dm_x *= AA_SIZE * 0.5f; + dm_y *= AA_SIZE * 0.5f; + + // Add vertices + _VtxWritePtr[0].pos.x = (points[i1].x - dm_x); _VtxWritePtr[0].pos.y = (points[i1].y - dm_y); _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col; // Inner + _VtxWritePtr[1].pos.x = (points[i1].x + dm_x); _VtxWritePtr[1].pos.y = (points[i1].y + dm_y); _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col_trans; // Outer + _VtxWritePtr += 2; + + // Add indexes for fringes + _IdxWritePtr[0] = (ImDrawIdx)(vtx_inner_idx+(i1<<1)); _IdxWritePtr[1] = (ImDrawIdx)(vtx_inner_idx+(i0<<1)); _IdxWritePtr[2] = (ImDrawIdx)(vtx_outer_idx+(i0<<1)); + _IdxWritePtr[3] = (ImDrawIdx)(vtx_outer_idx+(i0<<1)); _IdxWritePtr[4] = (ImDrawIdx)(vtx_outer_idx+(i1<<1)); _IdxWritePtr[5] = (ImDrawIdx)(vtx_inner_idx+(i1<<1)); + _IdxWritePtr += 6; + } + _VtxCurrentIdx += (ImDrawIdx)vtx_count; + } + else + { + // Non Anti-aliased Fill + const int idx_count = (points_count-2)*3; + const int vtx_count = points_count; + PrimReserve(idx_count, vtx_count); + for (int i = 0; i < vtx_count; i++) + { + _VtxWritePtr[0].pos = points[i]; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col; + _VtxWritePtr++; + } + for (int i = 2; i < points_count; i++) + { + _IdxWritePtr[0] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[1] = (ImDrawIdx)(_VtxCurrentIdx+i-1); _IdxWritePtr[2] = (ImDrawIdx)(_VtxCurrentIdx+i); + _IdxWritePtr += 3; + } + _VtxCurrentIdx += (ImDrawIdx)vtx_count; + } +} + +void ImDrawList::PathArcToFast(const ImVec2& center, float radius, int a_min_of_12, int a_max_of_12) +{ + if (radius == 0.0f || a_min_of_12 > a_max_of_12) + { + _Path.push_back(center); + return; + } + + // For legacy reason the PathArcToFast() always takes angles where 2*PI is represented by 12, + // but it is possible to set IM_DRAWLIST_ARCFAST_TESSELATION_MULTIPLIER to a higher value. This should compile to a no-op otherwise. +#if IM_DRAWLIST_ARCFAST_TESSELLATION_MULTIPLIER != 1 + a_min_of_12 *= IM_DRAWLIST_ARCFAST_TESSELLATION_MULTIPLIER; + a_max_of_12 *= IM_DRAWLIST_ARCFAST_TESSELLATION_MULTIPLIER; +#endif + + _Path.reserve(_Path.Size + (a_max_of_12 - a_min_of_12 + 1)); + for (int a = a_min_of_12; a <= a_max_of_12; a++) + { + const ImVec2& c = _Data->ArcFastVtx[a % IM_ARRAYSIZE(_Data->ArcFastVtx)]; + _Path.push_back(ImVec2(center.x + c.x * radius, center.y + c.y * radius)); + } +} + +void ImDrawList::PathArcTo(const ImVec2& center, float radius, float a_min, float a_max, int num_segments) +{ + if (radius == 0.0f) + { + _Path.push_back(center); + return; + } + + // Note that we are adding a point at both a_min and a_max. + // If you are trying to draw a full closed circle you don't want the overlapping points! + _Path.reserve(_Path.Size + (num_segments + 1)); + for (int i = 0; i <= num_segments; i++) + { + const float a = a_min + ((float)i / (float)num_segments) * (a_max - a_min); + _Path.push_back(ImVec2(center.x + ImCos(a) * radius, center.y + ImSin(a) * radius)); + } +} + +ImVec2 ImBezierCalc(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, float t) +{ + float u = 1.0f - t; + float w1 = u*u*u; + float w2 = 3*u*u*t; + float w3 = 3*u*t*t; + float w4 = t*t*t; + return ImVec2(w1*p1.x + w2*p2.x + w3*p3.x + w4*p4.x, w1*p1.y + w2*p2.y + w3*p3.y + w4*p4.y); +} + +// Closely mimics BezierClosestPointCasteljauStep() in imgui.cpp +static void PathBezierToCasteljau(ImVector* path, float x1, float y1, float x2, float y2, float x3, float y3, float x4, float y4, float tess_tol, int level) +{ + float dx = x4 - x1; + float dy = y4 - y1; + float d2 = ((x2 - x4) * dy - (y2 - y4) * dx); + float d3 = ((x3 - x4) * dy - (y3 - y4) * dx); + d2 = (d2 >= 0) ? d2 : -d2; + d3 = (d3 >= 0) ? d3 : -d3; + if ((d2+d3) * (d2+d3) < tess_tol * (dx*dx + dy*dy)) + { + path->push_back(ImVec2(x4, y4)); + } + else if (level < 10) + { + float x12 = (x1+x2)*0.5f, y12 = (y1+y2)*0.5f; + float x23 = (x2+x3)*0.5f, y23 = (y2+y3)*0.5f; + float x34 = (x3+x4)*0.5f, y34 = (y3+y4)*0.5f; + float x123 = (x12+x23)*0.5f, y123 = (y12+y23)*0.5f; + float x234 = (x23+x34)*0.5f, y234 = (y23+y34)*0.5f; + float x1234 = (x123+x234)*0.5f, y1234 = (y123+y234)*0.5f; + PathBezierToCasteljau(path, x1,y1, x12,y12, x123,y123, x1234,y1234, tess_tol, level+1); + PathBezierToCasteljau(path, x1234,y1234, x234,y234, x34,y34, x4,y4, tess_tol, level+1); + } +} + +void ImDrawList::PathBezierCurveTo(const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, int num_segments) +{ + ImVec2 p1 = _Path.back(); + if (num_segments == 0) + { + PathBezierToCasteljau(&_Path, p1.x, p1.y, p2.x, p2.y, p3.x, p3.y, p4.x, p4.y, _Data->CurveTessellationTol, 0); // Auto-tessellated + } + else + { + float t_step = 1.0f / (float)num_segments; + for (int i_step = 1; i_step <= num_segments; i_step++) + _Path.push_back(ImBezierCalc(p1, p2, p3, p4, t_step * i_step)); + } +} + +void ImDrawList::PathRect(const ImVec2& a, const ImVec2& b, float rounding, ImDrawCornerFlags rounding_corners) +{ + rounding = ImMin(rounding, ImFabs(b.x - a.x) * ( ((rounding_corners & ImDrawCornerFlags_Top) == ImDrawCornerFlags_Top) || ((rounding_corners & ImDrawCornerFlags_Bot) == ImDrawCornerFlags_Bot) ? 0.5f : 1.0f ) - 1.0f); + rounding = ImMin(rounding, ImFabs(b.y - a.y) * ( ((rounding_corners & ImDrawCornerFlags_Left) == ImDrawCornerFlags_Left) || ((rounding_corners & ImDrawCornerFlags_Right) == ImDrawCornerFlags_Right) ? 0.5f : 1.0f ) - 1.0f); + + if (rounding <= 0.0f || rounding_corners == 0) + { + PathLineTo(a); + PathLineTo(ImVec2(b.x, a.y)); + PathLineTo(b); + PathLineTo(ImVec2(a.x, b.y)); + } + else + { + const float rounding_tl = (rounding_corners & ImDrawCornerFlags_TopLeft) ? rounding : 0.0f; + const float rounding_tr = (rounding_corners & ImDrawCornerFlags_TopRight) ? rounding : 0.0f; + const float rounding_br = (rounding_corners & ImDrawCornerFlags_BotRight) ? rounding : 0.0f; + const float rounding_bl = (rounding_corners & ImDrawCornerFlags_BotLeft) ? rounding : 0.0f; + PathArcToFast(ImVec2(a.x + rounding_tl, a.y + rounding_tl), rounding_tl, 6, 9); + PathArcToFast(ImVec2(b.x - rounding_tr, a.y + rounding_tr), rounding_tr, 9, 12); + PathArcToFast(ImVec2(b.x - rounding_br, b.y - rounding_br), rounding_br, 0, 3); + PathArcToFast(ImVec2(a.x + rounding_bl, b.y - rounding_bl), rounding_bl, 3, 6); + } +} + +void ImDrawList::AddLine(const ImVec2& p1, const ImVec2& p2, ImU32 col, float thickness) +{ + if ((col & IM_COL32_A_MASK) == 0) + return; + PathLineTo(p1 + ImVec2(0.5f, 0.5f)); + PathLineTo(p2 + ImVec2(0.5f, 0.5f)); + PathStroke(col, false, thickness); +} + +// p_min = upper-left, p_max = lower-right +// Note we don't render 1 pixels sized rectangles properly. +void ImDrawList::AddRect(const ImVec2& p_min, const ImVec2& p_max, ImU32 col, float rounding, ImDrawCornerFlags rounding_corners, float thickness) +{ + if ((col & IM_COL32_A_MASK) == 0) + return; + if (Flags & ImDrawListFlags_AntiAliasedLines) + PathRect(p_min + ImVec2(0.50f,0.50f), p_max - ImVec2(0.50f,0.50f), rounding, rounding_corners); + else + PathRect(p_min + ImVec2(0.50f,0.50f), p_max - ImVec2(0.49f,0.49f), rounding, rounding_corners); // Better looking lower-right corner and rounded non-AA shapes. + PathStroke(col, true, thickness); +} + +void ImDrawList::AddRectFilled(const ImVec2& p_min, const ImVec2& p_max, ImU32 col, float rounding, ImDrawCornerFlags rounding_corners) +{ + if ((col & IM_COL32_A_MASK) == 0) + return; + if (rounding > 0.0f) + { + PathRect(p_min, p_max, rounding, rounding_corners); + PathFillConvex(col); + } + else + { + PrimReserve(6, 4); + PrimRect(p_min, p_max, col); + } +} + +// p_min = upper-left, p_max = lower-right +void ImDrawList::AddRectFilledMultiColor(const ImVec2& p_min, const ImVec2& p_max, ImU32 col_upr_left, ImU32 col_upr_right, ImU32 col_bot_right, ImU32 col_bot_left) +{ + if (((col_upr_left | col_upr_right | col_bot_right | col_bot_left) & IM_COL32_A_MASK) == 0) + return; + + const ImVec2 uv = _Data->TexUvWhitePixel; + PrimReserve(6, 4); + PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+1)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+2)); + PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+2)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+3)); + PrimWriteVtx(p_min, uv, col_upr_left); + PrimWriteVtx(ImVec2(p_max.x, p_min.y), uv, col_upr_right); + PrimWriteVtx(p_max, uv, col_bot_right); + PrimWriteVtx(ImVec2(p_min.x, p_max.y), uv, col_bot_left); +} + +void ImDrawList::AddQuad(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col, float thickness) +{ + if ((col & IM_COL32_A_MASK) == 0) + return; + + PathLineTo(p1); + PathLineTo(p2); + PathLineTo(p3); + PathLineTo(p4); + PathStroke(col, true, thickness); +} + +void ImDrawList::AddQuadFilled(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col) +{ + if ((col & IM_COL32_A_MASK) == 0) + return; + + PathLineTo(p1); + PathLineTo(p2); + PathLineTo(p3); + PathLineTo(p4); + PathFillConvex(col); +} + +void ImDrawList::AddTriangle(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, ImU32 col, float thickness) +{ + if ((col & IM_COL32_A_MASK) == 0) + return; + + PathLineTo(p1); + PathLineTo(p2); + PathLineTo(p3); + PathStroke(col, true, thickness); +} + +void ImDrawList::AddTriangleFilled(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, ImU32 col) +{ + if ((col & IM_COL32_A_MASK) == 0) + return; + + PathLineTo(p1); + PathLineTo(p2); + PathLineTo(p3); + PathFillConvex(col); +} + +void ImDrawList::AddCircle(const ImVec2& center, float radius, ImU32 col, int num_segments, float thickness) +{ + if ((col & IM_COL32_A_MASK) == 0 || radius <= 0.0f) + return; + + // Obtain segment count + if (num_segments <= 0) + { + // Automatic segment count + const int radius_idx = (int)radius - 1; + if (radius_idx < IM_ARRAYSIZE(_Data->CircleSegmentCounts)) + num_segments = _Data->CircleSegmentCounts[radius_idx]; // Use cached value + else + num_segments = IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC(radius, _Data->CircleSegmentMaxError); + } + else + { + // Explicit segment count (still clamp to avoid drawing insanely tessellated shapes) + num_segments = ImClamp(num_segments, 3, IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_MAX); + } + + // Because we are filling a closed shape we remove 1 from the count of segments/points + const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments; + if (num_segments == 12) + PathArcToFast(center, radius - 0.5f, 0, 12); + else + PathArcTo(center, radius - 0.5f, 0.0f, a_max, num_segments - 1); + PathStroke(col, true, thickness); +} + +void ImDrawList::AddCircleFilled(const ImVec2& center, float radius, ImU32 col, int num_segments) +{ + if ((col & IM_COL32_A_MASK) == 0 || radius <= 0.0f) + return; + + // Obtain segment count + if (num_segments <= 0) + { + // Automatic segment count + const int radius_idx = (int)radius - 1; + if (radius_idx < IM_ARRAYSIZE(_Data->CircleSegmentCounts)) + num_segments = _Data->CircleSegmentCounts[radius_idx]; // Use cached value + else + num_segments = IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC(radius, _Data->CircleSegmentMaxError); + } + else + { + // Explicit segment count (still clamp to avoid drawing insanely tessellated shapes) + num_segments = ImClamp(num_segments, 3, IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_MAX); + } + + // Because we are filling a closed shape we remove 1 from the count of segments/points + const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments; + if (num_segments == 12) + PathArcToFast(center, radius, 0, 12); + else + PathArcTo(center, radius, 0.0f, a_max, num_segments - 1); + PathFillConvex(col); +} + +// Guaranteed to honor 'num_segments' +void ImDrawList::AddNgon(const ImVec2& center, float radius, ImU32 col, int num_segments, float thickness) +{ + if ((col & IM_COL32_A_MASK) == 0 || num_segments <= 2) + return; + + // Because we are filling a closed shape we remove 1 from the count of segments/points + const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments; + PathArcTo(center, radius - 0.5f, 0.0f, a_max, num_segments - 1); + PathStroke(col, true, thickness); +} + +// Guaranteed to honor 'num_segments' +void ImDrawList::AddNgonFilled(const ImVec2& center, float radius, ImU32 col, int num_segments) +{ + if ((col & IM_COL32_A_MASK) == 0 || num_segments <= 2) + return; + + // Because we are filling a closed shape we remove 1 from the count of segments/points + const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments; + PathArcTo(center, radius, 0.0f, a_max, num_segments - 1); + PathFillConvex(col); +} + +// Cubic Bezier takes 4 controls points +void ImDrawList::AddBezierCurve(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col, float thickness, int num_segments) +{ + if ((col & IM_COL32_A_MASK) == 0) + return; + + PathLineTo(p1); + PathBezierCurveTo(p2, p3, p4, num_segments); + PathStroke(col, false, thickness); +} + +void ImDrawList::AddText(const ImFont* font, float font_size, const ImVec2& pos, ImU32 col, const char* text_begin, const char* text_end, float wrap_width, const ImVec4* cpu_fine_clip_rect) +{ + if ((col & IM_COL32_A_MASK) == 0) + return; + + if (text_end == NULL) + text_end = text_begin + strlen(text_begin); + if (text_begin == text_end) + return; + + // Pull default font/size from the shared ImDrawListSharedData instance + if (font == NULL) + font = _Data->Font; + if (font_size == 0.0f) + font_size = _Data->FontSize; + + IM_ASSERT(font->ContainerAtlas->TexID == _TextureIdStack.back()); // Use high-level ImGui::PushFont() or low-level ImDrawList::PushTextureId() to change font. + + ImVec4 clip_rect = _ClipRectStack.back(); + if (cpu_fine_clip_rect) + { + clip_rect.x = ImMax(clip_rect.x, cpu_fine_clip_rect->x); + clip_rect.y = ImMax(clip_rect.y, cpu_fine_clip_rect->y); + clip_rect.z = ImMin(clip_rect.z, cpu_fine_clip_rect->z); + clip_rect.w = ImMin(clip_rect.w, cpu_fine_clip_rect->w); + } + font->RenderText(this, font_size, pos, col, clip_rect, text_begin, text_end, wrap_width, cpu_fine_clip_rect != NULL); +} + +void ImDrawList::AddText(const ImVec2& pos, ImU32 col, const char* text_begin, const char* text_end) +{ + AddText(NULL, 0.0f, pos, col, text_begin, text_end); +} + +void ImDrawList::AddImage(ImTextureID user_texture_id, const ImVec2& p_min, const ImVec2& p_max, const ImVec2& uv_min, const ImVec2& uv_max, ImU32 col) +{ + if ((col & IM_COL32_A_MASK) == 0) + return; + + const bool push_texture_id = _TextureIdStack.empty() || user_texture_id != _TextureIdStack.back(); + if (push_texture_id) + PushTextureID(user_texture_id); + + PrimReserve(6, 4); + PrimRectUV(p_min, p_max, uv_min, uv_max, col); + + if (push_texture_id) + PopTextureID(); +} + +void ImDrawList::AddImageQuad(ImTextureID user_texture_id, const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, const ImVec2& uv1, const ImVec2& uv2, const ImVec2& uv3, const ImVec2& uv4, ImU32 col) +{ + if ((col & IM_COL32_A_MASK) == 0) + return; + + const bool push_texture_id = _TextureIdStack.empty() || user_texture_id != _TextureIdStack.back(); + if (push_texture_id) + PushTextureID(user_texture_id); + + PrimReserve(6, 4); + PrimQuadUV(p1, p2, p3, p4, uv1, uv2, uv3, uv4, col); + + if (push_texture_id) + PopTextureID(); +} + +void ImDrawList::AddImageRounded(ImTextureID user_texture_id, const ImVec2& p_min, const ImVec2& p_max, const ImVec2& uv_min, const ImVec2& uv_max, ImU32 col, float rounding, ImDrawCornerFlags rounding_corners) +{ + if ((col & IM_COL32_A_MASK) == 0) + return; + + if (rounding <= 0.0f || (rounding_corners & ImDrawCornerFlags_All) == 0) + { + AddImage(user_texture_id, p_min, p_max, uv_min, uv_max, col); + return; + } + + const bool push_texture_id = _TextureIdStack.empty() || user_texture_id != _TextureIdStack.back(); + if (push_texture_id) + PushTextureID(user_texture_id); + + int vert_start_idx = VtxBuffer.Size; + PathRect(p_min, p_max, rounding, rounding_corners); + PathFillConvex(col); + int vert_end_idx = VtxBuffer.Size; + ImGui::ShadeVertsLinearUV(this, vert_start_idx, vert_end_idx, p_min, p_max, uv_min, uv_max, true); + + if (push_texture_id) + PopTextureID(); +} + + +//----------------------------------------------------------------------------- +// ImDrawListSplitter +//----------------------------------------------------------------------------- +// FIXME: This may be a little confusing, trying to be a little too low-level/optimal instead of just doing vector swap.. +//----------------------------------------------------------------------------- + +void ImDrawListSplitter::ClearFreeMemory() +{ + for (int i = 0; i < _Channels.Size; i++) + { + if (i == _Current) + memset(&_Channels[i], 0, sizeof(_Channels[i])); // Current channel is a copy of CmdBuffer/IdxBuffer, don't destruct again + _Channels[i]._CmdBuffer.clear(); + _Channels[i]._IdxBuffer.clear(); + } + _Current = 0; + _Count = 1; + _Channels.clear(); +} + +void ImDrawListSplitter::Split(ImDrawList* draw_list, int channels_count) +{ + IM_ASSERT(_Current == 0 && _Count <= 1 && "Nested channel splitting is not supported. Please use separate instances of ImDrawListSplitter."); + int old_channels_count = _Channels.Size; + if (old_channels_count < channels_count) + _Channels.resize(channels_count); + _Count = channels_count; + + // Channels[] (24/32 bytes each) hold storage that we'll swap with draw_list->_CmdBuffer/_IdxBuffer + // The content of Channels[0] at this point doesn't matter. We clear it to make state tidy in a debugger but we don't strictly need to. + // When we switch to the next channel, we'll copy draw_list->_CmdBuffer/_IdxBuffer into Channels[0] and then Channels[1] into draw_list->CmdBuffer/_IdxBuffer + memset(&_Channels[0], 0, sizeof(ImDrawChannel)); + for (int i = 1; i < channels_count; i++) + { + if (i >= old_channels_count) + { + IM_PLACEMENT_NEW(&_Channels[i]) ImDrawChannel(); + } + else + { + _Channels[i]._CmdBuffer.resize(0); + _Channels[i]._IdxBuffer.resize(0); + } + if (_Channels[i]._CmdBuffer.Size == 0) + { + ImDrawCmd draw_cmd; + draw_cmd.ClipRect = draw_list->_ClipRectStack.back(); + draw_cmd.TextureId = draw_list->_TextureIdStack.back(); + _Channels[i]._CmdBuffer.push_back(draw_cmd); + } + } +} + +static inline bool CanMergeDrawCommands(ImDrawCmd* a, ImDrawCmd* b) +{ + return memcmp(&a->ClipRect, &b->ClipRect, sizeof(a->ClipRect)) == 0 && a->TextureId == b->TextureId && a->VtxOffset == b->VtxOffset && !a->UserCallback && !b->UserCallback; +} + +void ImDrawListSplitter::Merge(ImDrawList* draw_list) +{ + // Note that we never use or rely on channels.Size because it is merely a buffer that we never shrink back to 0 to keep all sub-buffers ready for use. + if (_Count <= 1) + return; + + SetCurrentChannel(draw_list, 0); + if (draw_list->CmdBuffer.Size != 0 && draw_list->CmdBuffer.back().ElemCount == 0) + draw_list->CmdBuffer.pop_back(); + + // Calculate our final buffer sizes. Also fix the incorrect IdxOffset values in each command. + int new_cmd_buffer_count = 0; + int new_idx_buffer_count = 0; + ImDrawCmd* last_cmd = (_Count > 0 && draw_list->CmdBuffer.Size > 0) ? &draw_list->CmdBuffer.back() : NULL; + int idx_offset = last_cmd ? last_cmd->IdxOffset + last_cmd->ElemCount : 0; + for (int i = 1; i < _Count; i++) + { + ImDrawChannel& ch = _Channels[i]; + if (ch._CmdBuffer.Size > 0 && ch._CmdBuffer.back().ElemCount == 0) + ch._CmdBuffer.pop_back(); + if (ch._CmdBuffer.Size > 0 && last_cmd != NULL && CanMergeDrawCommands(last_cmd, &ch._CmdBuffer[0])) + { + // Merge previous channel last draw command with current channel first draw command if matching. + last_cmd->ElemCount += ch._CmdBuffer[0].ElemCount; + idx_offset += ch._CmdBuffer[0].ElemCount; + ch._CmdBuffer.erase(ch._CmdBuffer.Data); // FIXME-OPT: Improve for multiple merges. + } + if (ch._CmdBuffer.Size > 0) + last_cmd = &ch._CmdBuffer.back(); + new_cmd_buffer_count += ch._CmdBuffer.Size; + new_idx_buffer_count += ch._IdxBuffer.Size; + for (int cmd_n = 0; cmd_n < ch._CmdBuffer.Size; cmd_n++) + { + ch._CmdBuffer.Data[cmd_n].IdxOffset = idx_offset; + idx_offset += ch._CmdBuffer.Data[cmd_n].ElemCount; + } + } + draw_list->CmdBuffer.resize(draw_list->CmdBuffer.Size + new_cmd_buffer_count); + draw_list->IdxBuffer.resize(draw_list->IdxBuffer.Size + new_idx_buffer_count); + + // Write commands and indices in order (they are fairly small structures, we don't copy vertices only indices) + ImDrawCmd* cmd_write = draw_list->CmdBuffer.Data + draw_list->CmdBuffer.Size - new_cmd_buffer_count; + ImDrawIdx* idx_write = draw_list->IdxBuffer.Data + draw_list->IdxBuffer.Size - new_idx_buffer_count; + for (int i = 1; i < _Count; i++) + { + ImDrawChannel& ch = _Channels[i]; + if (int sz = ch._CmdBuffer.Size) { memcpy(cmd_write, ch._CmdBuffer.Data, sz * sizeof(ImDrawCmd)); cmd_write += sz; } + if (int sz = ch._IdxBuffer.Size) { memcpy(idx_write, ch._IdxBuffer.Data, sz * sizeof(ImDrawIdx)); idx_write += sz; } + } + draw_list->_IdxWritePtr = idx_write; + draw_list->UpdateClipRect(); // We call this instead of AddDrawCmd(), so that empty channels won't produce an extra draw call. + draw_list->UpdateTextureID(); + _Count = 1; +} + +void ImDrawListSplitter::SetCurrentChannel(ImDrawList* draw_list, int idx) +{ + IM_ASSERT(idx >= 0 && idx < _Count); + if (_Current == idx) + return; + // Overwrite ImVector (12/16 bytes), four times. This is merely a silly optimization instead of doing .swap() + memcpy(&_Channels.Data[_Current]._CmdBuffer, &draw_list->CmdBuffer, sizeof(draw_list->CmdBuffer)); + memcpy(&_Channels.Data[_Current]._IdxBuffer, &draw_list->IdxBuffer, sizeof(draw_list->IdxBuffer)); + _Current = idx; + memcpy(&draw_list->CmdBuffer, &_Channels.Data[idx]._CmdBuffer, sizeof(draw_list->CmdBuffer)); + memcpy(&draw_list->IdxBuffer, &_Channels.Data[idx]._IdxBuffer, sizeof(draw_list->IdxBuffer)); + draw_list->_IdxWritePtr = draw_list->IdxBuffer.Data + draw_list->IdxBuffer.Size; +} + +//----------------------------------------------------------------------------- +// [SECTION] ImDrawData +//----------------------------------------------------------------------------- + +// For backward compatibility: convert all buffers from indexed to de-indexed, in case you cannot render indexed. Note: this is slow and most likely a waste of resources. Always prefer indexed rendering! +void ImDrawData::DeIndexAllBuffers() +{ + ImVector new_vtx_buffer; + TotalVtxCount = TotalIdxCount = 0; + for (int i = 0; i < CmdListsCount; i++) + { + ImDrawList* cmd_list = CmdLists[i]; + if (cmd_list->IdxBuffer.empty()) + continue; + new_vtx_buffer.resize(cmd_list->IdxBuffer.Size); + for (int j = 0; j < cmd_list->IdxBuffer.Size; j++) + new_vtx_buffer[j] = cmd_list->VtxBuffer[cmd_list->IdxBuffer[j]]; + cmd_list->VtxBuffer.swap(new_vtx_buffer); + cmd_list->IdxBuffer.resize(0); + TotalVtxCount += cmd_list->VtxBuffer.Size; + } +} + +// Helper to scale the ClipRect field of each ImDrawCmd. +// Use if your final output buffer is at a different scale than draw_data->DisplaySize, +// or if there is a difference between your window resolution and framebuffer resolution. +void ImDrawData::ScaleClipRects(const ImVec2& fb_scale) +{ + for (int i = 0; i < CmdListsCount; i++) + { + ImDrawList* cmd_list = CmdLists[i]; + for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) + { + ImDrawCmd* cmd = &cmd_list->CmdBuffer[cmd_i]; + cmd->ClipRect = ImVec4(cmd->ClipRect.x * fb_scale.x, cmd->ClipRect.y * fb_scale.y, cmd->ClipRect.z * fb_scale.x, cmd->ClipRect.w * fb_scale.y); + } + } +} + +//----------------------------------------------------------------------------- +// [SECTION] Helpers ShadeVertsXXX functions +//----------------------------------------------------------------------------- + +// Generic linear color gradient, write to RGB fields, leave A untouched. +void ImGui::ShadeVertsLinearColorGradientKeepAlpha(ImDrawList* draw_list, int vert_start_idx, int vert_end_idx, ImVec2 gradient_p0, ImVec2 gradient_p1, ImU32 col0, ImU32 col1) +{ + ImVec2 gradient_extent = gradient_p1 - gradient_p0; + float gradient_inv_length2 = 1.0f / ImLengthSqr(gradient_extent); + ImDrawVert* vert_start = draw_list->VtxBuffer.Data + vert_start_idx; + ImDrawVert* vert_end = draw_list->VtxBuffer.Data + vert_end_idx; + for (ImDrawVert* vert = vert_start; vert < vert_end; vert++) + { + float d = ImDot(vert->pos - gradient_p0, gradient_extent); + float t = ImClamp(d * gradient_inv_length2, 0.0f, 1.0f); + int r = ImLerp((int)(col0 >> IM_COL32_R_SHIFT) & 0xFF, (int)(col1 >> IM_COL32_R_SHIFT) & 0xFF, t); + int g = ImLerp((int)(col0 >> IM_COL32_G_SHIFT) & 0xFF, (int)(col1 >> IM_COL32_G_SHIFT) & 0xFF, t); + int b = ImLerp((int)(col0 >> IM_COL32_B_SHIFT) & 0xFF, (int)(col1 >> IM_COL32_B_SHIFT) & 0xFF, t); + vert->col = (r << IM_COL32_R_SHIFT) | (g << IM_COL32_G_SHIFT) | (b << IM_COL32_B_SHIFT) | (vert->col & IM_COL32_A_MASK); + } +} + +// Distribute UV over (a, b) rectangle +void ImGui::ShadeVertsLinearUV(ImDrawList* draw_list, int vert_start_idx, int vert_end_idx, const ImVec2& a, const ImVec2& b, const ImVec2& uv_a, const ImVec2& uv_b, bool clamp) +{ + const ImVec2 size = b - a; + const ImVec2 uv_size = uv_b - uv_a; + const ImVec2 scale = ImVec2( + size.x != 0.0f ? (uv_size.x / size.x) : 0.0f, + size.y != 0.0f ? (uv_size.y / size.y) : 0.0f); + + ImDrawVert* vert_start = draw_list->VtxBuffer.Data + vert_start_idx; + ImDrawVert* vert_end = draw_list->VtxBuffer.Data + vert_end_idx; + if (clamp) + { + const ImVec2 min = ImMin(uv_a, uv_b); + const ImVec2 max = ImMax(uv_a, uv_b); + for (ImDrawVert* vertex = vert_start; vertex < vert_end; ++vertex) + vertex->uv = ImClamp(uv_a + ImMul(ImVec2(vertex->pos.x, vertex->pos.y) - a, scale), min, max); + } + else + { + for (ImDrawVert* vertex = vert_start; vertex < vert_end; ++vertex) + vertex->uv = uv_a + ImMul(ImVec2(vertex->pos.x, vertex->pos.y) - a, scale); + } +} + +//----------------------------------------------------------------------------- +// [SECTION] ImFontConfig +//----------------------------------------------------------------------------- + +ImFontConfig::ImFontConfig() +{ + FontData = NULL; + FontDataSize = 0; + FontDataOwnedByAtlas = true; + FontNo = 0; + SizePixels = 0.0f; + OversampleH = 3; // FIXME: 2 may be a better default? + OversampleV = 1; + PixelSnapH = false; + GlyphExtraSpacing = ImVec2(0.0f, 0.0f); + GlyphOffset = ImVec2(0.0f, 0.0f); + GlyphRanges = NULL; + GlyphMinAdvanceX = 0.0f; + GlyphMaxAdvanceX = FLT_MAX; + MergeMode = false; + RasterizerFlags = 0x00; + RasterizerMultiply = 1.0f; + EllipsisChar = (ImWchar)-1; + memset(Name, 0, sizeof(Name)); + DstFont = NULL; +} + +//----------------------------------------------------------------------------- +// [SECTION] ImFontAtlas +//----------------------------------------------------------------------------- + +// A work of art lies ahead! (. = white layer, X = black layer, others are blank) +// The white texels on the top left are the ones we'll use everywhere in Dear ImGui to render filled shapes. +const int FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF = 108; +const int FONT_ATLAS_DEFAULT_TEX_DATA_H = 27; +const unsigned int FONT_ATLAS_DEFAULT_TEX_DATA_ID = 0x80000000; +static const char FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS[FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF * FONT_ATLAS_DEFAULT_TEX_DATA_H + 1] = +{ + "..- -XXXXXXX- X - X -XXXXXXX - XXXXXXX- XX " + "..- -X.....X- X.X - X.X -X.....X - X.....X- X..X " + "--- -XXX.XXX- X...X - X...X -X....X - X....X- X..X " + "X - X.X - X.....X - X.....X -X...X - X...X- X..X " + "XX - X.X -X.......X- X.......X -X..X.X - X.X..X- X..X " + "X.X - X.X -XXXX.XXXX- XXXX.XXXX -X.X X.X - X.X X.X- X..XXX " + "X..X - X.X - X.X - X.X -XX X.X - X.X XX- X..X..XXX " + "X...X - X.X - X.X - XX X.X XX - X.X - X.X - X..X..X..XX " + "X....X - X.X - X.X - X.X X.X X.X - X.X - X.X - X..X..X..X.X " + "X.....X - X.X - X.X - X..X X.X X..X - X.X - X.X -XXX X..X..X..X..X" + "X......X - X.X - X.X - X...XXXXXX.XXXXXX...X - X.X XX-XX X.X -X..XX........X..X" + "X.......X - X.X - X.X -X.....................X- X.X X.X-X.X X.X -X...X...........X" + "X........X - X.X - X.X - X...XXXXXX.XXXXXX...X - X.X..X-X..X.X - X..............X" + "X.........X -XXX.XXX- X.X - X..X X.X X..X - X...X-X...X - X.............X" + "X..........X-X.....X- X.X - X.X X.X X.X - X....X-X....X - X.............X" + "X......XXXXX-XXXXXXX- X.X - XX X.X XX - X.....X-X.....X - X............X" + "X...X..X --------- X.X - X.X - XXXXXXX-XXXXXXX - X...........X " + "X..X X..X - -XXXX.XXXX- XXXX.XXXX ------------------------------------- X..........X " + "X.X X..X - -X.......X- X.......X - XX XX - - X..........X " + "XX X..X - - X.....X - X.....X - X.X X.X - - X........X " + " X..X - X...X - X...X - X..X X..X - - X........X " + " XX - X.X - X.X - X...XXXXXXXXXXXXX...X - - XXXXXXXXXX " + "------------ - X - X -X.....................X- ------------------" + " ----------------------------------- X...XXXXXXXXXXXXX...X - " + " - X..X X..X - " + " - X.X X.X - " + " - XX XX - " +}; + +static const ImVec2 FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[ImGuiMouseCursor_COUNT][3] = +{ + // Pos ........ Size ......... Offset ...... + { ImVec2( 0,3), ImVec2(12,19), ImVec2( 0, 0) }, // ImGuiMouseCursor_Arrow + { ImVec2(13,0), ImVec2( 7,16), ImVec2( 1, 8) }, // ImGuiMouseCursor_TextInput + { ImVec2(31,0), ImVec2(23,23), ImVec2(11,11) }, // ImGuiMouseCursor_ResizeAll + { ImVec2(21,0), ImVec2( 9,23), ImVec2( 4,11) }, // ImGuiMouseCursor_ResizeNS + { ImVec2(55,18),ImVec2(23, 9), ImVec2(11, 4) }, // ImGuiMouseCursor_ResizeEW + { ImVec2(73,0), ImVec2(17,17), ImVec2( 8, 8) }, // ImGuiMouseCursor_ResizeNESW + { ImVec2(55,0), ImVec2(17,17), ImVec2( 8, 8) }, // ImGuiMouseCursor_ResizeNWSE + { ImVec2(91,0), ImVec2(17,22), ImVec2( 5, 0) }, // ImGuiMouseCursor_Hand +}; + +ImFontAtlas::ImFontAtlas() +{ + Locked = false; + Flags = ImFontAtlasFlags_None; + TexID = (ImTextureID)NULL; + TexDesiredWidth = 0; + TexGlyphPadding = 1; + + TexPixelsAlpha8 = NULL; + TexPixelsRGBA32 = NULL; + TexWidth = TexHeight = 0; + TexUvScale = ImVec2(0.0f, 0.0f); + TexUvWhitePixel = ImVec2(0.0f, 0.0f); + for (int n = 0; n < IM_ARRAYSIZE(CustomRectIds); n++) + CustomRectIds[n] = -1; +} + +ImFontAtlas::~ImFontAtlas() +{ + IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!"); + Clear(); +} + +void ImFontAtlas::ClearInputData() +{ + IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!"); + for (int i = 0; i < ConfigData.Size; i++) + if (ConfigData[i].FontData && ConfigData[i].FontDataOwnedByAtlas) + { + IM_FREE(ConfigData[i].FontData); + ConfigData[i].FontData = NULL; + } + + // When clearing this we lose access to the font name and other information used to build the font. + for (int i = 0; i < Fonts.Size; i++) + if (Fonts[i]->ConfigData >= ConfigData.Data && Fonts[i]->ConfigData < ConfigData.Data + ConfigData.Size) + { + Fonts[i]->ConfigData = NULL; + Fonts[i]->ConfigDataCount = 0; + } + ConfigData.clear(); + CustomRects.clear(); + for (int n = 0; n < IM_ARRAYSIZE(CustomRectIds); n++) + CustomRectIds[n] = -1; +} + +void ImFontAtlas::ClearTexData() +{ + IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!"); + if (TexPixelsAlpha8) + IM_FREE(TexPixelsAlpha8); + if (TexPixelsRGBA32) + IM_FREE(TexPixelsRGBA32); + TexPixelsAlpha8 = NULL; + TexPixelsRGBA32 = NULL; +} + +void ImFontAtlas::ClearFonts() +{ + IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!"); + for (int i = 0; i < Fonts.Size; i++) + IM_DELETE(Fonts[i]); + Fonts.clear(); +} + +void ImFontAtlas::Clear() +{ + ClearInputData(); + ClearTexData(); + ClearFonts(); +} + +void ImFontAtlas::GetTexDataAsAlpha8(unsigned char** out_pixels, int* out_width, int* out_height, int* out_bytes_per_pixel) +{ + // Build atlas on demand + if (TexPixelsAlpha8 == NULL) + { + if (ConfigData.empty()) + AddFontDefault(); + Build(); + } + + *out_pixels = TexPixelsAlpha8; + if (out_width) *out_width = TexWidth; + if (out_height) *out_height = TexHeight; + if (out_bytes_per_pixel) *out_bytes_per_pixel = 1; +} + +void ImFontAtlas::GetTexDataAsRGBA32(unsigned char** out_pixels, int* out_width, int* out_height, int* out_bytes_per_pixel) +{ + // Convert to RGBA32 format on demand + // Although it is likely to be the most commonly used format, our font rendering is 1 channel / 8 bpp + if (!TexPixelsRGBA32) + { + unsigned char* pixels = NULL; + GetTexDataAsAlpha8(&pixels, NULL, NULL); + if (pixels) + { + TexPixelsRGBA32 = (unsigned int*)IM_ALLOC((size_t)TexWidth * (size_t)TexHeight * 4); + const unsigned char* src = pixels; + unsigned int* dst = TexPixelsRGBA32; + for (int n = TexWidth * TexHeight; n > 0; n--) + *dst++ = IM_COL32(255, 255, 255, (unsigned int)(*src++)); + } + } + + *out_pixels = (unsigned char*)TexPixelsRGBA32; + if (out_width) *out_width = TexWidth; + if (out_height) *out_height = TexHeight; + if (out_bytes_per_pixel) *out_bytes_per_pixel = 4; +} + +ImFont* ImFontAtlas::AddFont(const ImFontConfig* font_cfg) +{ + IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!"); + IM_ASSERT(font_cfg->FontData != NULL && font_cfg->FontDataSize > 0); + IM_ASSERT(font_cfg->SizePixels > 0.0f); + + // Create new font + if (!font_cfg->MergeMode) + Fonts.push_back(IM_NEW(ImFont)); + else + IM_ASSERT(!Fonts.empty() && "Cannot use MergeMode for the first font"); // When using MergeMode make sure that a font has already been added before. You can use ImGui::GetIO().Fonts->AddFontDefault() to add the default imgui font. + + ConfigData.push_back(*font_cfg); + ImFontConfig& new_font_cfg = ConfigData.back(); + if (new_font_cfg.DstFont == NULL) + new_font_cfg.DstFont = Fonts.back(); + if (!new_font_cfg.FontDataOwnedByAtlas) + { + new_font_cfg.FontData = IM_ALLOC(new_font_cfg.FontDataSize); + new_font_cfg.FontDataOwnedByAtlas = true; + memcpy(new_font_cfg.FontData, font_cfg->FontData, (size_t)new_font_cfg.FontDataSize); + } + + if (new_font_cfg.DstFont->EllipsisChar == (ImWchar)-1) + new_font_cfg.DstFont->EllipsisChar = font_cfg->EllipsisChar; + + // Invalidate texture + ClearTexData(); + return new_font_cfg.DstFont; +} + +// Default font TTF is compressed with stb_compress then base85 encoded (see misc/fonts/binary_to_compressed_c.cpp for encoder) +static unsigned int stb_decompress_length(const unsigned char *input); +static unsigned int stb_decompress(unsigned char *output, const unsigned char *input, unsigned int length); +static const char* GetDefaultCompressedFontDataTTFBase85(); +static unsigned int Decode85Byte(char c) { return c >= '\\' ? c-36 : c-35; } +static void Decode85(const unsigned char* src, unsigned char* dst) +{ + while (*src) + { + unsigned int tmp = Decode85Byte(src[0]) + 85*(Decode85Byte(src[1]) + 85*(Decode85Byte(src[2]) + 85*(Decode85Byte(src[3]) + 85*Decode85Byte(src[4])))); + dst[0] = ((tmp >> 0) & 0xFF); dst[1] = ((tmp >> 8) & 0xFF); dst[2] = ((tmp >> 16) & 0xFF); dst[3] = ((tmp >> 24) & 0xFF); // We can't assume little-endianness. + src += 5; + dst += 4; + } +} + +// Load embedded ProggyClean.ttf at size 13, disable oversampling +ImFont* ImFontAtlas::AddFontDefault(const ImFontConfig* font_cfg_template) +{ + ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig(); + if (!font_cfg_template) + { + font_cfg.OversampleH = font_cfg.OversampleV = 1; + font_cfg.PixelSnapH = true; + } + if (font_cfg.SizePixels <= 0.0f) + font_cfg.SizePixels = 13.0f * 1.0f; + if (font_cfg.Name[0] == '\0') + ImFormatString(font_cfg.Name, IM_ARRAYSIZE(font_cfg.Name), "ProggyClean.ttf, %dpx", (int)font_cfg.SizePixels); + font_cfg.EllipsisChar = (ImWchar)0x0085; + + const char* ttf_compressed_base85 = GetDefaultCompressedFontDataTTFBase85(); + const ImWchar* glyph_ranges = font_cfg.GlyphRanges != NULL ? font_cfg.GlyphRanges : GetGlyphRangesDefault(); + ImFont* font = AddFontFromMemoryCompressedBase85TTF(ttf_compressed_base85, font_cfg.SizePixels, &font_cfg, glyph_ranges); + font->DisplayOffset.y = 1.0f; + return font; +} + +ImFont* ImFontAtlas::AddFontFromFileTTF(const char* filename, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges) +{ + IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!"); + size_t data_size = 0; + void* data = ImFileLoadToMemory(filename, "rb", &data_size, 0); + if (!data) + { + IM_ASSERT_USER_ERROR(0, "Could not load font file!"); + return NULL; + } + ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig(); + if (font_cfg.Name[0] == '\0') + { + // Store a short copy of filename into into the font name for convenience + const char* p; + for (p = filename + strlen(filename); p > filename && p[-1] != '/' && p[-1] != '\\'; p--) {} + ImFormatString(font_cfg.Name, IM_ARRAYSIZE(font_cfg.Name), "%s, %.0fpx", p, size_pixels); + } + return AddFontFromMemoryTTF(data, (int)data_size, size_pixels, &font_cfg, glyph_ranges); +} + +// NB: Transfer ownership of 'ttf_data' to ImFontAtlas, unless font_cfg_template->FontDataOwnedByAtlas == false. Owned TTF buffer will be deleted after Build(). +ImFont* ImFontAtlas::AddFontFromMemoryTTF(void* ttf_data, int ttf_size, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges) +{ + IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!"); + ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig(); + IM_ASSERT(font_cfg.FontData == NULL); + font_cfg.FontData = ttf_data; + font_cfg.FontDataSize = ttf_size; + font_cfg.SizePixels = size_pixels; + if (glyph_ranges) + font_cfg.GlyphRanges = glyph_ranges; + return AddFont(&font_cfg); +} + +ImFont* ImFontAtlas::AddFontFromMemoryCompressedTTF(const void* compressed_ttf_data, int compressed_ttf_size, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges) +{ + const unsigned int buf_decompressed_size = stb_decompress_length((const unsigned char*)compressed_ttf_data); + unsigned char* buf_decompressed_data = (unsigned char *)IM_ALLOC(buf_decompressed_size); + stb_decompress(buf_decompressed_data, (const unsigned char*)compressed_ttf_data, (unsigned int)compressed_ttf_size); + + ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig(); + IM_ASSERT(font_cfg.FontData == NULL); + font_cfg.FontDataOwnedByAtlas = true; + return AddFontFromMemoryTTF(buf_decompressed_data, (int)buf_decompressed_size, size_pixels, &font_cfg, glyph_ranges); +} + +ImFont* ImFontAtlas::AddFontFromMemoryCompressedBase85TTF(const char* compressed_ttf_data_base85, float size_pixels, const ImFontConfig* font_cfg, const ImWchar* glyph_ranges) +{ + int compressed_ttf_size = (((int)strlen(compressed_ttf_data_base85) + 4) / 5) * 4; + void* compressed_ttf = IM_ALLOC((size_t)compressed_ttf_size); + Decode85((const unsigned char*)compressed_ttf_data_base85, (unsigned char*)compressed_ttf); + ImFont* font = AddFontFromMemoryCompressedTTF(compressed_ttf, compressed_ttf_size, size_pixels, font_cfg, glyph_ranges); + IM_FREE(compressed_ttf); + return font; +} + +int ImFontAtlas::AddCustomRectRegular(unsigned int id, int width, int height) +{ + // Breaking change on 2019/11/21 (1.74): ImFontAtlas::AddCustomRectRegular() now requires an ID >= 0x110000 (instead of >= 0x10000) + IM_ASSERT(id >= 0x110000); + IM_ASSERT(width > 0 && width <= 0xFFFF); + IM_ASSERT(height > 0 && height <= 0xFFFF); + ImFontAtlasCustomRect r; + r.ID = id; + r.Width = (unsigned short)width; + r.Height = (unsigned short)height; + CustomRects.push_back(r); + return CustomRects.Size - 1; // Return index +} + +int ImFontAtlas::AddCustomRectFontGlyph(ImFont* font, ImWchar id, int width, int height, float advance_x, const ImVec2& offset) +{ + IM_ASSERT(font != NULL); + IM_ASSERT(width > 0 && width <= 0xFFFF); + IM_ASSERT(height > 0 && height <= 0xFFFF); + ImFontAtlasCustomRect r; + r.ID = id; + r.Width = (unsigned short)width; + r.Height = (unsigned short)height; + r.GlyphAdvanceX = advance_x; + r.GlyphOffset = offset; + r.Font = font; + CustomRects.push_back(r); + return CustomRects.Size - 1; // Return index +} + +void ImFontAtlas::CalcCustomRectUV(const ImFontAtlasCustomRect* rect, ImVec2* out_uv_min, ImVec2* out_uv_max) const +{ + IM_ASSERT(TexWidth > 0 && TexHeight > 0); // Font atlas needs to be built before we can calculate UV coordinates + IM_ASSERT(rect->IsPacked()); // Make sure the rectangle has been packed + *out_uv_min = ImVec2((float)rect->X * TexUvScale.x, (float)rect->Y * TexUvScale.y); + *out_uv_max = ImVec2((float)(rect->X + rect->Width) * TexUvScale.x, (float)(rect->Y + rect->Height) * TexUvScale.y); +} + +bool ImFontAtlas::GetMouseCursorTexData(ImGuiMouseCursor cursor_type, ImVec2* out_offset, ImVec2* out_size, ImVec2 out_uv_border[2], ImVec2 out_uv_fill[2]) +{ + if (cursor_type <= ImGuiMouseCursor_None || cursor_type >= ImGuiMouseCursor_COUNT) + return false; + if (Flags & ImFontAtlasFlags_NoMouseCursors) + return false; + + IM_ASSERT(CustomRectIds[0] != -1); + ImFontAtlasCustomRect& r = CustomRects[CustomRectIds[0]]; + IM_ASSERT(r.ID == FONT_ATLAS_DEFAULT_TEX_DATA_ID); + ImVec2 pos = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][0] + ImVec2((float)r.X, (float)r.Y); + ImVec2 size = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][1]; + *out_size = size; + *out_offset = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][2]; + out_uv_border[0] = (pos) * TexUvScale; + out_uv_border[1] = (pos + size) * TexUvScale; + pos.x += FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF + 1; + out_uv_fill[0] = (pos) * TexUvScale; + out_uv_fill[1] = (pos + size) * TexUvScale; + return true; +} + +bool ImFontAtlas::Build() +{ + IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!"); + return ImFontAtlasBuildWithStbTruetype(this); +} + +void ImFontAtlasBuildMultiplyCalcLookupTable(unsigned char out_table[256], float in_brighten_factor) +{ + for (unsigned int i = 0; i < 256; i++) + { + unsigned int value = (unsigned int)(i * in_brighten_factor); + out_table[i] = value > 255 ? 255 : (value & 0xFF); + } +} + +void ImFontAtlasBuildMultiplyRectAlpha8(const unsigned char table[256], unsigned char* pixels, int x, int y, int w, int h, int stride) +{ + unsigned char* data = pixels + x + y * stride; + for (int j = h; j > 0; j--, data += stride) + for (int i = 0; i < w; i++) + data[i] = table[data[i]]; +} + +// Temporary data for one source font (multiple source fonts can be merged into one destination ImFont) +// (C++03 doesn't allow instancing ImVector<> with function-local types so we declare the type here.) +struct ImFontBuildSrcData +{ + stbtt_fontinfo FontInfo; + stbtt_pack_range PackRange; // Hold the list of codepoints to pack (essentially points to Codepoints.Data) + stbrp_rect* Rects; // Rectangle to pack. We first fill in their size and the packer will give us their position. + stbtt_packedchar* PackedChars; // Output glyphs + const ImWchar* SrcRanges; // Ranges as requested by user (user is allowed to request too much, e.g. 0x0020..0xFFFF) + int DstIndex; // Index into atlas->Fonts[] and dst_tmp_array[] + int GlyphsHighest; // Highest requested codepoint + int GlyphsCount; // Glyph count (excluding missing glyphs and glyphs already set by an earlier source font) + ImBitVector GlyphsSet; // Glyph bit map (random access, 1-bit per codepoint. This will be a maximum of 8KB) + ImVector GlyphsList; // Glyph codepoints list (flattened version of GlyphsMap) +}; + +// Temporary data for one destination ImFont* (multiple source fonts can be merged into one destination ImFont) +struct ImFontBuildDstData +{ + int SrcCount; // Number of source fonts targeting this destination font. + int GlyphsHighest; + int GlyphsCount; + ImBitVector GlyphsSet; // This is used to resolve collision when multiple sources are merged into a same destination font. +}; + +static void UnpackBitVectorToFlatIndexList(const ImBitVector* in, ImVector* out) +{ + IM_ASSERT(sizeof(in->Storage.Data[0]) == sizeof(int)); + const ImU32* it_begin = in->Storage.begin(); + const ImU32* it_end = in->Storage.end(); + for (const ImU32* it = it_begin; it < it_end; it++) + if (ImU32 entries_32 = *it) + for (ImU32 bit_n = 0; bit_n < 32; bit_n++) + if (entries_32 & ((ImU32)1 << bit_n)) + out->push_back((int)(((it - it_begin) << 5) + bit_n)); +} + +bool ImFontAtlasBuildWithStbTruetype(ImFontAtlas* atlas) +{ + IM_ASSERT(atlas->ConfigData.Size > 0); + + ImFontAtlasBuildInit(atlas); + + // Clear atlas + atlas->TexID = (ImTextureID)NULL; + atlas->TexWidth = atlas->TexHeight = 0; + atlas->TexUvScale = ImVec2(0.0f, 0.0f); + atlas->TexUvWhitePixel = ImVec2(0.0f, 0.0f); + atlas->ClearTexData(); + + // Temporary storage for building + ImVector src_tmp_array; + ImVector dst_tmp_array; + src_tmp_array.resize(atlas->ConfigData.Size); + dst_tmp_array.resize(atlas->Fonts.Size); + memset(src_tmp_array.Data, 0, (size_t)src_tmp_array.size_in_bytes()); + memset(dst_tmp_array.Data, 0, (size_t)dst_tmp_array.size_in_bytes()); + + // 1. Initialize font loading structure, check font data validity + for (int src_i = 0; src_i < atlas->ConfigData.Size; src_i++) + { + ImFontBuildSrcData& src_tmp = src_tmp_array[src_i]; + ImFontConfig& cfg = atlas->ConfigData[src_i]; + IM_ASSERT(cfg.DstFont && (!cfg.DstFont->IsLoaded() || cfg.DstFont->ContainerAtlas == atlas)); + + // Find index from cfg.DstFont (we allow the user to set cfg.DstFont. Also it makes casual debugging nicer than when storing indices) + src_tmp.DstIndex = -1; + for (int output_i = 0; output_i < atlas->Fonts.Size && src_tmp.DstIndex == -1; output_i++) + if (cfg.DstFont == atlas->Fonts[output_i]) + src_tmp.DstIndex = output_i; + IM_ASSERT(src_tmp.DstIndex != -1); // cfg.DstFont not pointing within atlas->Fonts[] array? + if (src_tmp.DstIndex == -1) + return false; + + // Initialize helper structure for font loading and verify that the TTF/OTF data is correct + const int font_offset = stbtt_GetFontOffsetForIndex((unsigned char*)cfg.FontData, cfg.FontNo); + IM_ASSERT(font_offset >= 0 && "FontData is incorrect, or FontNo cannot be found."); + if (!stbtt_InitFont(&src_tmp.FontInfo, (unsigned char*)cfg.FontData, font_offset)) + return false; + + // Measure highest codepoints + ImFontBuildDstData& dst_tmp = dst_tmp_array[src_tmp.DstIndex]; + src_tmp.SrcRanges = cfg.GlyphRanges ? cfg.GlyphRanges : atlas->GetGlyphRangesDefault(); + for (const ImWchar* src_range = src_tmp.SrcRanges; src_range[0] && src_range[1]; src_range += 2) + src_tmp.GlyphsHighest = ImMax(src_tmp.GlyphsHighest, (int)src_range[1]); + dst_tmp.SrcCount++; + dst_tmp.GlyphsHighest = ImMax(dst_tmp.GlyphsHighest, src_tmp.GlyphsHighest); + } + + // 2. For every requested codepoint, check for their presence in the font data, and handle redundancy or overlaps between source fonts to avoid unused glyphs. + int total_glyphs_count = 0; + for (int src_i = 0; src_i < src_tmp_array.Size; src_i++) + { + ImFontBuildSrcData& src_tmp = src_tmp_array[src_i]; + ImFontBuildDstData& dst_tmp = dst_tmp_array[src_tmp.DstIndex]; + src_tmp.GlyphsSet.Create(src_tmp.GlyphsHighest + 1); + if (dst_tmp.GlyphsSet.Storage.empty()) + dst_tmp.GlyphsSet.Create(dst_tmp.GlyphsHighest + 1); + + for (const ImWchar* src_range = src_tmp.SrcRanges; src_range[0] && src_range[1]; src_range += 2) + for (unsigned int codepoint = src_range[0]; codepoint <= src_range[1]; codepoint++) + { + if (dst_tmp.GlyphsSet.TestBit(codepoint)) // Don't overwrite existing glyphs. We could make this an option for MergeMode (e.g. MergeOverwrite==true) + continue; + if (!stbtt_FindGlyphIndex(&src_tmp.FontInfo, codepoint)) // It is actually in the font? + continue; + + // Add to avail set/counters + src_tmp.GlyphsCount++; + dst_tmp.GlyphsCount++; + src_tmp.GlyphsSet.SetBit(codepoint); + dst_tmp.GlyphsSet.SetBit(codepoint); + total_glyphs_count++; + } + } + + // 3. Unpack our bit map into a flat list (we now have all the Unicode points that we know are requested _and_ available _and_ not overlapping another) + for (int src_i = 0; src_i < src_tmp_array.Size; src_i++) + { + ImFontBuildSrcData& src_tmp = src_tmp_array[src_i]; + src_tmp.GlyphsList.reserve(src_tmp.GlyphsCount); + UnpackBitVectorToFlatIndexList(&src_tmp.GlyphsSet, &src_tmp.GlyphsList); + src_tmp.GlyphsSet.Clear(); + IM_ASSERT(src_tmp.GlyphsList.Size == src_tmp.GlyphsCount); + } + for (int dst_i = 0; dst_i < dst_tmp_array.Size; dst_i++) + dst_tmp_array[dst_i].GlyphsSet.Clear(); + dst_tmp_array.clear(); + + // Allocate packing character data and flag packed characters buffer as non-packed (x0=y0=x1=y1=0) + // (We technically don't need to zero-clear buf_rects, but let's do it for the sake of sanity) + ImVector buf_rects; + ImVector buf_packedchars; + buf_rects.resize(total_glyphs_count); + buf_packedchars.resize(total_glyphs_count); + memset(buf_rects.Data, 0, (size_t)buf_rects.size_in_bytes()); + memset(buf_packedchars.Data, 0, (size_t)buf_packedchars.size_in_bytes()); + + // 4. Gather glyphs sizes so we can pack them in our virtual canvas. + int total_surface = 0; + int buf_rects_out_n = 0; + int buf_packedchars_out_n = 0; + for (int src_i = 0; src_i < src_tmp_array.Size; src_i++) + { + ImFontBuildSrcData& src_tmp = src_tmp_array[src_i]; + if (src_tmp.GlyphsCount == 0) + continue; + + src_tmp.Rects = &buf_rects[buf_rects_out_n]; + src_tmp.PackedChars = &buf_packedchars[buf_packedchars_out_n]; + buf_rects_out_n += src_tmp.GlyphsCount; + buf_packedchars_out_n += src_tmp.GlyphsCount; + + // Convert our ranges in the format stb_truetype wants + ImFontConfig& cfg = atlas->ConfigData[src_i]; + src_tmp.PackRange.font_size = cfg.SizePixels; + src_tmp.PackRange.first_unicode_codepoint_in_range = 0; + src_tmp.PackRange.array_of_unicode_codepoints = src_tmp.GlyphsList.Data; + src_tmp.PackRange.num_chars = src_tmp.GlyphsList.Size; + src_tmp.PackRange.chardata_for_range = src_tmp.PackedChars; + src_tmp.PackRange.h_oversample = (unsigned char)cfg.OversampleH; + src_tmp.PackRange.v_oversample = (unsigned char)cfg.OversampleV; + + // Gather the sizes of all rectangles we will need to pack (this loop is based on stbtt_PackFontRangesGatherRects) + const float scale = (cfg.SizePixels > 0) ? stbtt_ScaleForPixelHeight(&src_tmp.FontInfo, cfg.SizePixels) : stbtt_ScaleForMappingEmToPixels(&src_tmp.FontInfo, -cfg.SizePixels); + const int padding = atlas->TexGlyphPadding; + for (int glyph_i = 0; glyph_i < src_tmp.GlyphsList.Size; glyph_i++) + { + int x0, y0, x1, y1; + const int glyph_index_in_font = stbtt_FindGlyphIndex(&src_tmp.FontInfo, src_tmp.GlyphsList[glyph_i]); + IM_ASSERT(glyph_index_in_font != 0); + stbtt_GetGlyphBitmapBoxSubpixel(&src_tmp.FontInfo, glyph_index_in_font, scale * cfg.OversampleH, scale * cfg.OversampleV, 0, 0, &x0, &y0, &x1, &y1); + src_tmp.Rects[glyph_i].w = (stbrp_coord)(x1 - x0 + padding + cfg.OversampleH - 1); + src_tmp.Rects[glyph_i].h = (stbrp_coord)(y1 - y0 + padding + cfg.OversampleV - 1); + total_surface += src_tmp.Rects[glyph_i].w * src_tmp.Rects[glyph_i].h; + } + } + + // We need a width for the skyline algorithm, any width! + // The exact width doesn't really matter much, but some API/GPU have texture size limitations and increasing width can decrease height. + // User can override TexDesiredWidth and TexGlyphPadding if they wish, otherwise we use a simple heuristic to select the width based on expected surface. + const int surface_sqrt = (int)ImSqrt((float)total_surface) + 1; + atlas->TexHeight = 0; + if (atlas->TexDesiredWidth > 0) + atlas->TexWidth = atlas->TexDesiredWidth; + else + atlas->TexWidth = (surface_sqrt >= 4096*0.7f) ? 4096 : (surface_sqrt >= 2048*0.7f) ? 2048 : (surface_sqrt >= 1024*0.7f) ? 1024 : 512; + + // 5. Start packing + // Pack our extra data rectangles first, so it will be on the upper-left corner of our texture (UV will have small values). + const int TEX_HEIGHT_MAX = 1024 * 32; + stbtt_pack_context spc = {}; + stbtt_PackBegin(&spc, NULL, atlas->TexWidth, TEX_HEIGHT_MAX, 0, atlas->TexGlyphPadding, NULL); + ImFontAtlasBuildPackCustomRects(atlas, spc.pack_info); + + // 6. Pack each source font. No rendering yet, we are working with rectangles in an infinitely tall texture at this point. + for (int src_i = 0; src_i < src_tmp_array.Size; src_i++) + { + ImFontBuildSrcData& src_tmp = src_tmp_array[src_i]; + if (src_tmp.GlyphsCount == 0) + continue; + + stbrp_pack_rects((stbrp_context*)spc.pack_info, src_tmp.Rects, src_tmp.GlyphsCount); + + // Extend texture height and mark missing glyphs as non-packed so we won't render them. + // FIXME: We are not handling packing failure here (would happen if we got off TEX_HEIGHT_MAX or if a single if larger than TexWidth?) + for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++) + if (src_tmp.Rects[glyph_i].was_packed) + atlas->TexHeight = ImMax(atlas->TexHeight, src_tmp.Rects[glyph_i].y + src_tmp.Rects[glyph_i].h); + } + + // 7. Allocate texture + atlas->TexHeight = (atlas->Flags & ImFontAtlasFlags_NoPowerOfTwoHeight) ? (atlas->TexHeight + 1) : ImUpperPowerOfTwo(atlas->TexHeight); + atlas->TexUvScale = ImVec2(1.0f / atlas->TexWidth, 1.0f / atlas->TexHeight); + atlas->TexPixelsAlpha8 = (unsigned char*)IM_ALLOC(atlas->TexWidth * atlas->TexHeight); + memset(atlas->TexPixelsAlpha8, 0, atlas->TexWidth * atlas->TexHeight); + spc.pixels = atlas->TexPixelsAlpha8; + spc.height = atlas->TexHeight; + + // 8. Render/rasterize font characters into the texture + for (int src_i = 0; src_i < src_tmp_array.Size; src_i++) + { + ImFontConfig& cfg = atlas->ConfigData[src_i]; + ImFontBuildSrcData& src_tmp = src_tmp_array[src_i]; + if (src_tmp.GlyphsCount == 0) + continue; + + stbtt_PackFontRangesRenderIntoRects(&spc, &src_tmp.FontInfo, &src_tmp.PackRange, 1, src_tmp.Rects); + + // Apply multiply operator + if (cfg.RasterizerMultiply != 1.0f) + { + unsigned char multiply_table[256]; + ImFontAtlasBuildMultiplyCalcLookupTable(multiply_table, cfg.RasterizerMultiply); + stbrp_rect* r = &src_tmp.Rects[0]; + for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++, r++) + if (r->was_packed) + ImFontAtlasBuildMultiplyRectAlpha8(multiply_table, atlas->TexPixelsAlpha8, r->x, r->y, r->w, r->h, atlas->TexWidth * 1); + } + src_tmp.Rects = NULL; + } + + // End packing + stbtt_PackEnd(&spc); + buf_rects.clear(); + + // 9. Setup ImFont and glyphs for runtime + for (int src_i = 0; src_i < src_tmp_array.Size; src_i++) + { + ImFontBuildSrcData& src_tmp = src_tmp_array[src_i]; + if (src_tmp.GlyphsCount == 0) + continue; + + ImFontConfig& cfg = atlas->ConfigData[src_i]; + ImFont* dst_font = cfg.DstFont; // We can have multiple input fonts writing into a same destination font (when using MergeMode=true) + + const float font_scale = stbtt_ScaleForPixelHeight(&src_tmp.FontInfo, cfg.SizePixels); + int unscaled_ascent, unscaled_descent, unscaled_line_gap; + stbtt_GetFontVMetrics(&src_tmp.FontInfo, &unscaled_ascent, &unscaled_descent, &unscaled_line_gap); + + const float ascent = ImFloor(unscaled_ascent * font_scale + ((unscaled_ascent > 0.0f) ? +1 : -1)); + const float descent = ImFloor(unscaled_descent * font_scale + ((unscaled_descent > 0.0f) ? +1 : -1)); + ImFontAtlasBuildSetupFont(atlas, dst_font, &cfg, ascent, descent); + const float font_off_x = cfg.GlyphOffset.x; + const float font_off_y = cfg.GlyphOffset.y + IM_ROUND(dst_font->Ascent); + + for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++) + { + const int codepoint = src_tmp.GlyphsList[glyph_i]; + const stbtt_packedchar& pc = src_tmp.PackedChars[glyph_i]; + + const float char_advance_x_org = pc.xadvance; + const float char_advance_x_mod = ImClamp(char_advance_x_org, cfg.GlyphMinAdvanceX, cfg.GlyphMaxAdvanceX); + float char_off_x = font_off_x; + if (char_advance_x_org != char_advance_x_mod) + char_off_x += cfg.PixelSnapH ? ImFloor((char_advance_x_mod - char_advance_x_org) * 0.5f) : (char_advance_x_mod - char_advance_x_org) * 0.5f; + + // Register glyph + stbtt_aligned_quad q; + float dummy_x = 0.0f, dummy_y = 0.0f; + stbtt_GetPackedQuad(src_tmp.PackedChars, atlas->TexWidth, atlas->TexHeight, glyph_i, &dummy_x, &dummy_y, &q, 0); + dst_font->AddGlyph((ImWchar)codepoint, q.x0 + char_off_x, q.y0 + font_off_y, q.x1 + char_off_x, q.y1 + font_off_y, q.s0, q.t0, q.s1, q.t1, char_advance_x_mod); + } + } + + // Cleanup temporary (ImVector doesn't honor destructor) + for (int src_i = 0; src_i < src_tmp_array.Size; src_i++) + src_tmp_array[src_i].~ImFontBuildSrcData(); + + ImFontAtlasBuildFinish(atlas); + return true; +} + +// Register default custom rectangles (this is called/shared by both the stb_truetype and the FreeType builder) +void ImFontAtlasBuildInit(ImFontAtlas* atlas) +{ + if (atlas->CustomRectIds[0] >= 0) + return; + if (!(atlas->Flags & ImFontAtlasFlags_NoMouseCursors)) + atlas->CustomRectIds[0] = atlas->AddCustomRectRegular(FONT_ATLAS_DEFAULT_TEX_DATA_ID, FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF*2+1, FONT_ATLAS_DEFAULT_TEX_DATA_H); + else + atlas->CustomRectIds[0] = atlas->AddCustomRectRegular(FONT_ATLAS_DEFAULT_TEX_DATA_ID, 2, 2); +} + +void ImFontAtlasBuildSetupFont(ImFontAtlas* atlas, ImFont* font, ImFontConfig* font_config, float ascent, float descent) +{ + if (!font_config->MergeMode) + { + font->ClearOutputData(); + font->FontSize = font_config->SizePixels; + font->ConfigData = font_config; + font->ContainerAtlas = atlas; + font->Ascent = ascent; + font->Descent = descent; + } + font->ConfigDataCount++; +} + +void ImFontAtlasBuildPackCustomRects(ImFontAtlas* atlas, void* stbrp_context_opaque) +{ + stbrp_context* pack_context = (stbrp_context*)stbrp_context_opaque; + IM_ASSERT(pack_context != NULL); + + ImVector& user_rects = atlas->CustomRects; + IM_ASSERT(user_rects.Size >= 1); // We expect at least the default custom rects to be registered, else something went wrong. + + ImVector pack_rects; + pack_rects.resize(user_rects.Size); + memset(pack_rects.Data, 0, (size_t)pack_rects.size_in_bytes()); + for (int i = 0; i < user_rects.Size; i++) + { + pack_rects[i].w = user_rects[i].Width; + pack_rects[i].h = user_rects[i].Height; + } + stbrp_pack_rects(pack_context, &pack_rects[0], pack_rects.Size); + for (int i = 0; i < pack_rects.Size; i++) + if (pack_rects[i].was_packed) + { + user_rects[i].X = pack_rects[i].x; + user_rects[i].Y = pack_rects[i].y; + IM_ASSERT(pack_rects[i].w == user_rects[i].Width && pack_rects[i].h == user_rects[i].Height); + atlas->TexHeight = ImMax(atlas->TexHeight, pack_rects[i].y + pack_rects[i].h); + } +} + +static void ImFontAtlasBuildRenderDefaultTexData(ImFontAtlas* atlas) +{ + IM_ASSERT(atlas->CustomRectIds[0] >= 0); + IM_ASSERT(atlas->TexPixelsAlpha8 != NULL); + ImFontAtlasCustomRect& r = atlas->CustomRects[atlas->CustomRectIds[0]]; + IM_ASSERT(r.ID == FONT_ATLAS_DEFAULT_TEX_DATA_ID); + IM_ASSERT(r.IsPacked()); + + const int w = atlas->TexWidth; + if (!(atlas->Flags & ImFontAtlasFlags_NoMouseCursors)) + { + // Render/copy pixels + IM_ASSERT(r.Width == FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF * 2 + 1 && r.Height == FONT_ATLAS_DEFAULT_TEX_DATA_H); + for (int y = 0, n = 0; y < FONT_ATLAS_DEFAULT_TEX_DATA_H; y++) + for (int x = 0; x < FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF; x++, n++) + { + const int offset0 = (int)(r.X + x) + (int)(r.Y + y) * w; + const int offset1 = offset0 + FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF + 1; + atlas->TexPixelsAlpha8[offset0] = FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS[n] == '.' ? 0xFF : 0x00; + atlas->TexPixelsAlpha8[offset1] = FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS[n] == 'X' ? 0xFF : 0x00; + } + } + else + { + IM_ASSERT(r.Width == 2 && r.Height == 2); + const int offset = (int)(r.X) + (int)(r.Y) * w; + atlas->TexPixelsAlpha8[offset] = atlas->TexPixelsAlpha8[offset + 1] = atlas->TexPixelsAlpha8[offset + w] = atlas->TexPixelsAlpha8[offset + w + 1] = 0xFF; + } + atlas->TexUvWhitePixel = ImVec2((r.X + 0.5f) * atlas->TexUvScale.x, (r.Y + 0.5f) * atlas->TexUvScale.y); +} + +void ImFontAtlasBuildFinish(ImFontAtlas* atlas) +{ + // Render into our custom data block + ImFontAtlasBuildRenderDefaultTexData(atlas); + + // Register custom rectangle glyphs + for (int i = 0; i < atlas->CustomRects.Size; i++) + { + const ImFontAtlasCustomRect& r = atlas->CustomRects[i]; + if (r.Font == NULL || r.ID >= 0x110000) + continue; + + IM_ASSERT(r.Font->ContainerAtlas == atlas); + ImVec2 uv0, uv1; + atlas->CalcCustomRectUV(&r, &uv0, &uv1); + r.Font->AddGlyph((ImWchar)r.ID, r.GlyphOffset.x, r.GlyphOffset.y, r.GlyphOffset.x + r.Width, r.GlyphOffset.y + r.Height, uv0.x, uv0.y, uv1.x, uv1.y, r.GlyphAdvanceX); + } + + // Build all fonts lookup tables + for (int i = 0; i < atlas->Fonts.Size; i++) + if (atlas->Fonts[i]->DirtyLookupTables) + atlas->Fonts[i]->BuildLookupTable(); + + // Ellipsis character is required for rendering elided text. We prefer using U+2026 (horizontal ellipsis). + // However some old fonts may contain ellipsis at U+0085. Here we auto-detect most suitable ellipsis character. + // FIXME: Also note that 0x2026 is currently seldomly included in our font ranges. Because of this we are more likely to use three individual dots. + for (int i = 0; i < atlas->Fonts.size(); i++) + { + ImFont* font = atlas->Fonts[i]; + if (font->EllipsisChar != (ImWchar)-1) + continue; + const ImWchar ellipsis_variants[] = { (ImWchar)0x2026, (ImWchar)0x0085 }; + for (int j = 0; j < IM_ARRAYSIZE(ellipsis_variants); j++) + if (font->FindGlyphNoFallback(ellipsis_variants[j]) != NULL) // Verify glyph exists + { + font->EllipsisChar = ellipsis_variants[j]; + break; + } + } +} + +// Retrieve list of range (2 int per range, values are inclusive) +const ImWchar* ImFontAtlas::GetGlyphRangesDefault() +{ + static const ImWchar ranges[] = + { + 0x0020, 0x00FF, // Basic Latin + Latin Supplement + 0, + }; + return &ranges[0]; +} + +const ImWchar* ImFontAtlas::GetGlyphRangesKorean() +{ + static const ImWchar ranges[] = + { + 0x0020, 0x00FF, // Basic Latin + Latin Supplement + 0x3131, 0x3163, // Korean alphabets + 0xAC00, 0xD79D, // Korean characters + 0, + }; + return &ranges[0]; +} + +const ImWchar* ImFontAtlas::GetGlyphRangesChineseFull() +{ + static const ImWchar ranges[] = + { + 0x0020, 0x00FF, // Basic Latin + Latin Supplement + 0x2000, 0x206F, // General Punctuation + 0x3000, 0x30FF, // CJK Symbols and Punctuations, Hiragana, Katakana + 0x31F0, 0x31FF, // Katakana Phonetic Extensions + 0xFF00, 0xFFEF, // Half-width characters + 0x4e00, 0x9FAF, // CJK Ideograms + 0, + }; + return &ranges[0]; +} + +static void UnpackAccumulativeOffsetsIntoRanges(int base_codepoint, const short* accumulative_offsets, int accumulative_offsets_count, ImWchar* out_ranges) +{ + for (int n = 0; n < accumulative_offsets_count; n++, out_ranges += 2) + { + out_ranges[0] = out_ranges[1] = (ImWchar)(base_codepoint + accumulative_offsets[n]); + base_codepoint += accumulative_offsets[n]; + } + out_ranges[0] = 0; +} + +//------------------------------------------------------------------------- +// [SECTION] ImFontAtlas glyph ranges helpers +//------------------------------------------------------------------------- + +const ImWchar* ImFontAtlas::GetGlyphRangesChineseSimplifiedCommon() +{ + // Store 2500 regularly used characters for Simplified Chinese. + // Sourced from https://zh.wiktionary.org/wiki/%E9%99%84%E5%BD%95:%E7%8E%B0%E4%BB%A3%E6%B1%89%E8%AF%AD%E5%B8%B8%E7%94%A8%E5%AD%97%E8%A1%A8 + // This table covers 97.97% of all characters used during the month in July, 1987. + // You can use ImFontGlyphRangesBuilder to create your own ranges derived from this, by merging existing ranges or adding new characters. + // (Stored as accumulative offsets from the initial unicode codepoint 0x4E00. This encoding is designed to helps us compact the source code size.) + static const short accumulative_offsets_from_0x4E00[] = + { + 0,1,2,4,1,1,1,1,2,1,3,2,1,2,2,1,1,1,1,1,5,2,1,2,3,3,3,2,2,4,1,1,1,2,1,5,2,3,1,2,1,2,1,1,2,1,1,2,2,1,4,1,1,1,1,5,10,1,2,19,2,1,2,1,2,1,2,1,2, + 1,5,1,6,3,2,1,2,2,1,1,1,4,8,5,1,1,4,1,1,3,1,2,1,5,1,2,1,1,1,10,1,1,5,2,4,6,1,4,2,2,2,12,2,1,1,6,1,1,1,4,1,1,4,6,5,1,4,2,2,4,10,7,1,1,4,2,4, + 2,1,4,3,6,10,12,5,7,2,14,2,9,1,1,6,7,10,4,7,13,1,5,4,8,4,1,1,2,28,5,6,1,1,5,2,5,20,2,2,9,8,11,2,9,17,1,8,6,8,27,4,6,9,20,11,27,6,68,2,2,1,1, + 1,2,1,2,2,7,6,11,3,3,1,1,3,1,2,1,1,1,1,1,3,1,1,8,3,4,1,5,7,2,1,4,4,8,4,2,1,2,1,1,4,5,6,3,6,2,12,3,1,3,9,2,4,3,4,1,5,3,3,1,3,7,1,5,1,1,1,1,2, + 3,4,5,2,3,2,6,1,1,2,1,7,1,7,3,4,5,15,2,2,1,5,3,22,19,2,1,1,1,1,2,5,1,1,1,6,1,1,12,8,2,9,18,22,4,1,1,5,1,16,1,2,7,10,15,1,1,6,2,4,1,2,4,1,6, + 1,1,3,2,4,1,6,4,5,1,2,1,1,2,1,10,3,1,3,2,1,9,3,2,5,7,2,19,4,3,6,1,1,1,1,1,4,3,2,1,1,1,2,5,3,1,1,1,2,2,1,1,2,1,1,2,1,3,1,1,1,3,7,1,4,1,1,2,1, + 1,2,1,2,4,4,3,8,1,1,1,2,1,3,5,1,3,1,3,4,6,2,2,14,4,6,6,11,9,1,15,3,1,28,5,2,5,5,3,1,3,4,5,4,6,14,3,2,3,5,21,2,7,20,10,1,2,19,2,4,28,28,2,3, + 2,1,14,4,1,26,28,42,12,40,3,52,79,5,14,17,3,2,2,11,3,4,6,3,1,8,2,23,4,5,8,10,4,2,7,3,5,1,1,6,3,1,2,2,2,5,28,1,1,7,7,20,5,3,29,3,17,26,1,8,4, + 27,3,6,11,23,5,3,4,6,13,24,16,6,5,10,25,35,7,3,2,3,3,14,3,6,2,6,1,4,2,3,8,2,1,1,3,3,3,4,1,1,13,2,2,4,5,2,1,14,14,1,2,2,1,4,5,2,3,1,14,3,12, + 3,17,2,16,5,1,2,1,8,9,3,19,4,2,2,4,17,25,21,20,28,75,1,10,29,103,4,1,2,1,1,4,2,4,1,2,3,24,2,2,2,1,1,2,1,3,8,1,1,1,2,1,1,3,1,1,1,6,1,5,3,1,1, + 1,3,4,1,1,5,2,1,5,6,13,9,16,1,1,1,1,3,2,3,2,4,5,2,5,2,2,3,7,13,7,2,2,1,1,1,1,2,3,3,2,1,6,4,9,2,1,14,2,14,2,1,18,3,4,14,4,11,41,15,23,15,23, + 176,1,3,4,1,1,1,1,5,3,1,2,3,7,3,1,1,2,1,2,4,4,6,2,4,1,9,7,1,10,5,8,16,29,1,1,2,2,3,1,3,5,2,4,5,4,1,1,2,2,3,3,7,1,6,10,1,17,1,44,4,6,2,1,1,6, + 5,4,2,10,1,6,9,2,8,1,24,1,2,13,7,8,8,2,1,4,1,3,1,3,3,5,2,5,10,9,4,9,12,2,1,6,1,10,1,1,7,7,4,10,8,3,1,13,4,3,1,6,1,3,5,2,1,2,17,16,5,2,16,6, + 1,4,2,1,3,3,6,8,5,11,11,1,3,3,2,4,6,10,9,5,7,4,7,4,7,1,1,4,2,1,3,6,8,7,1,6,11,5,5,3,24,9,4,2,7,13,5,1,8,82,16,61,1,1,1,4,2,2,16,10,3,8,1,1, + 6,4,2,1,3,1,1,1,4,3,8,4,2,2,1,1,1,1,1,6,3,5,1,1,4,6,9,2,1,1,1,2,1,7,2,1,6,1,5,4,4,3,1,8,1,3,3,1,3,2,2,2,2,3,1,6,1,2,1,2,1,3,7,1,8,2,1,2,1,5, + 2,5,3,5,10,1,2,1,1,3,2,5,11,3,9,3,5,1,1,5,9,1,2,1,5,7,9,9,8,1,3,3,3,6,8,2,3,2,1,1,32,6,1,2,15,9,3,7,13,1,3,10,13,2,14,1,13,10,2,1,3,10,4,15, + 2,15,15,10,1,3,9,6,9,32,25,26,47,7,3,2,3,1,6,3,4,3,2,8,5,4,1,9,4,2,2,19,10,6,2,3,8,1,2,2,4,2,1,9,4,4,4,6,4,8,9,2,3,1,1,1,1,3,5,5,1,3,8,4,6, + 2,1,4,12,1,5,3,7,13,2,5,8,1,6,1,2,5,14,6,1,5,2,4,8,15,5,1,23,6,62,2,10,1,1,8,1,2,2,10,4,2,2,9,2,1,1,3,2,3,1,5,3,3,2,1,3,8,1,1,1,11,3,1,1,4, + 3,7,1,14,1,2,3,12,5,2,5,1,6,7,5,7,14,11,1,3,1,8,9,12,2,1,11,8,4,4,2,6,10,9,13,1,1,3,1,5,1,3,2,4,4,1,18,2,3,14,11,4,29,4,2,7,1,3,13,9,2,2,5, + 3,5,20,7,16,8,5,72,34,6,4,22,12,12,28,45,36,9,7,39,9,191,1,1,1,4,11,8,4,9,2,3,22,1,1,1,1,4,17,1,7,7,1,11,31,10,2,4,8,2,3,2,1,4,2,16,4,32,2, + 3,19,13,4,9,1,5,2,14,8,1,1,3,6,19,6,5,1,16,6,2,10,8,5,1,2,3,1,5,5,1,11,6,6,1,3,3,2,6,3,8,1,1,4,10,7,5,7,7,5,8,9,2,1,3,4,1,1,3,1,3,3,2,6,16, + 1,4,6,3,1,10,6,1,3,15,2,9,2,10,25,13,9,16,6,2,2,10,11,4,3,9,1,2,6,6,5,4,30,40,1,10,7,12,14,33,6,3,6,7,3,1,3,1,11,14,4,9,5,12,11,49,18,51,31, + 140,31,2,2,1,5,1,8,1,10,1,4,4,3,24,1,10,1,3,6,6,16,3,4,5,2,1,4,2,57,10,6,22,2,22,3,7,22,6,10,11,36,18,16,33,36,2,5,5,1,1,1,4,10,1,4,13,2,7, + 5,2,9,3,4,1,7,43,3,7,3,9,14,7,9,1,11,1,1,3,7,4,18,13,1,14,1,3,6,10,73,2,2,30,6,1,11,18,19,13,22,3,46,42,37,89,7,3,16,34,2,2,3,9,1,7,1,1,1,2, + 2,4,10,7,3,10,3,9,5,28,9,2,6,13,7,3,1,3,10,2,7,2,11,3,6,21,54,85,2,1,4,2,2,1,39,3,21,2,2,5,1,1,1,4,1,1,3,4,15,1,3,2,4,4,2,3,8,2,20,1,8,7,13, + 4,1,26,6,2,9,34,4,21,52,10,4,4,1,5,12,2,11,1,7,2,30,12,44,2,30,1,1,3,6,16,9,17,39,82,2,2,24,7,1,7,3,16,9,14,44,2,1,2,1,2,3,5,2,4,1,6,7,5,3, + 2,6,1,11,5,11,2,1,18,19,8,1,3,24,29,2,1,3,5,2,2,1,13,6,5,1,46,11,3,5,1,1,5,8,2,10,6,12,6,3,7,11,2,4,16,13,2,5,1,1,2,2,5,2,28,5,2,23,10,8,4, + 4,22,39,95,38,8,14,9,5,1,13,5,4,3,13,12,11,1,9,1,27,37,2,5,4,4,63,211,95,2,2,2,1,3,5,2,1,1,2,2,1,1,1,3,2,4,1,2,1,1,5,2,2,1,1,2,3,1,3,1,1,1, + 3,1,4,2,1,3,6,1,1,3,7,15,5,3,2,5,3,9,11,4,2,22,1,6,3,8,7,1,4,28,4,16,3,3,25,4,4,27,27,1,4,1,2,2,7,1,3,5,2,28,8,2,14,1,8,6,16,25,3,3,3,14,3, + 3,1,1,2,1,4,6,3,8,4,1,1,1,2,3,6,10,6,2,3,18,3,2,5,5,4,3,1,5,2,5,4,23,7,6,12,6,4,17,11,9,5,1,1,10,5,12,1,1,11,26,33,7,3,6,1,17,7,1,5,12,1,11, + 2,4,1,8,14,17,23,1,2,1,7,8,16,11,9,6,5,2,6,4,16,2,8,14,1,11,8,9,1,1,1,9,25,4,11,19,7,2,15,2,12,8,52,7,5,19,2,16,4,36,8,1,16,8,24,26,4,6,2,9, + 5,4,36,3,28,12,25,15,37,27,17,12,59,38,5,32,127,1,2,9,17,14,4,1,2,1,1,8,11,50,4,14,2,19,16,4,17,5,4,5,26,12,45,2,23,45,104,30,12,8,3,10,2,2, + 3,3,1,4,20,7,2,9,6,15,2,20,1,3,16,4,11,15,6,134,2,5,59,1,2,2,2,1,9,17,3,26,137,10,211,59,1,2,4,1,4,1,1,1,2,6,2,3,1,1,2,3,2,3,1,3,4,4,2,3,3, + 1,4,3,1,7,2,2,3,1,2,1,3,3,3,2,2,3,2,1,3,14,6,1,3,2,9,6,15,27,9,34,145,1,1,2,1,1,1,1,2,1,1,1,1,2,2,2,3,1,2,1,1,1,2,3,5,8,3,5,2,4,1,3,2,2,2,12, + 4,1,1,1,10,4,5,1,20,4,16,1,15,9,5,12,2,9,2,5,4,2,26,19,7,1,26,4,30,12,15,42,1,6,8,172,1,1,4,2,1,1,11,2,2,4,2,1,2,1,10,8,1,2,1,4,5,1,2,5,1,8, + 4,1,3,4,2,1,6,2,1,3,4,1,2,1,1,1,1,12,5,7,2,4,3,1,1,1,3,3,6,1,2,2,3,3,3,2,1,2,12,14,11,6,6,4,12,2,8,1,7,10,1,35,7,4,13,15,4,3,23,21,28,52,5, + 26,5,6,1,7,10,2,7,53,3,2,1,1,1,2,163,532,1,10,11,1,3,3,4,8,2,8,6,2,2,23,22,4,2,2,4,2,1,3,1,3,3,5,9,8,2,1,2,8,1,10,2,12,21,20,15,105,2,3,1,1, + 3,2,3,1,1,2,5,1,4,15,11,19,1,1,1,1,5,4,5,1,1,2,5,3,5,12,1,2,5,1,11,1,1,15,9,1,4,5,3,26,8,2,1,3,1,1,15,19,2,12,1,2,5,2,7,2,19,2,20,6,26,7,5, + 2,2,7,34,21,13,70,2,128,1,1,2,1,1,2,1,1,3,2,2,2,15,1,4,1,3,4,42,10,6,1,49,85,8,1,2,1,1,4,4,2,3,6,1,5,7,4,3,211,4,1,2,1,2,5,1,2,4,2,2,6,5,6, + 10,3,4,48,100,6,2,16,296,5,27,387,2,2,3,7,16,8,5,38,15,39,21,9,10,3,7,59,13,27,21,47,5,21,6 + }; + static ImWchar base_ranges[] = // not zero-terminated + { + 0x0020, 0x00FF, // Basic Latin + Latin Supplement + 0x2000, 0x206F, // General Punctuation + 0x3000, 0x30FF, // CJK Symbols and Punctuations, Hiragana, Katakana + 0x31F0, 0x31FF, // Katakana Phonetic Extensions + 0xFF00, 0xFFEF // Half-width characters + }; + static ImWchar full_ranges[IM_ARRAYSIZE(base_ranges) + IM_ARRAYSIZE(accumulative_offsets_from_0x4E00) * 2 + 1] = { 0 }; + if (!full_ranges[0]) + { + memcpy(full_ranges, base_ranges, sizeof(base_ranges)); + UnpackAccumulativeOffsetsIntoRanges(0x4E00, accumulative_offsets_from_0x4E00, IM_ARRAYSIZE(accumulative_offsets_from_0x4E00), full_ranges + IM_ARRAYSIZE(base_ranges)); + } + return &full_ranges[0]; +} + +const ImWchar* ImFontAtlas::GetGlyphRangesJapanese() +{ + // 1946 common ideograms code points for Japanese + // Sourced from http://theinstructionlimit.com/common-kanji-character-ranges-for-xna-spritefont-rendering + // FIXME: Source a list of the revised 2136 Joyo Kanji list from 2010 and rebuild this. + // You can use ImFontGlyphRangesBuilder to create your own ranges derived from this, by merging existing ranges or adding new characters. + // (Stored as accumulative offsets from the initial unicode codepoint 0x4E00. This encoding is designed to helps us compact the source code size.) + static const short accumulative_offsets_from_0x4E00[] = + { + 0,1,2,4,1,1,1,1,2,1,6,2,2,1,8,5,7,11,1,2,10,10,8,2,4,20,2,11,8,2,1,2,1,6,2,1,7,5,3,7,1,1,13,7,9,1,4,6,1,2,1,10,1,1,9,2,2,4,5,6,14,1,1,9,3,18, + 5,4,2,2,10,7,1,1,1,3,2,4,3,23,2,10,12,2,14,2,4,13,1,6,10,3,1,7,13,6,4,13,5,2,3,17,2,2,5,7,6,4,1,7,14,16,6,13,9,15,1,1,7,16,4,7,1,19,9,2,7,15, + 2,6,5,13,25,4,14,13,11,25,1,1,1,2,1,2,2,3,10,11,3,3,1,1,4,4,2,1,4,9,1,4,3,5,5,2,7,12,11,15,7,16,4,5,16,2,1,1,6,3,3,1,1,2,7,6,6,7,1,4,7,6,1,1, + 2,1,12,3,3,9,5,8,1,11,1,2,3,18,20,4,1,3,6,1,7,3,5,5,7,2,2,12,3,1,4,2,3,2,3,11,8,7,4,17,1,9,25,1,1,4,2,2,4,1,2,7,1,1,1,3,1,2,6,16,1,2,1,1,3,12, + 20,2,5,20,8,7,6,2,1,1,1,1,6,2,1,2,10,1,1,6,1,3,1,2,1,4,1,12,4,1,3,1,1,1,1,1,10,4,7,5,13,1,15,1,1,30,11,9,1,15,38,14,1,32,17,20,1,9,31,2,21,9, + 4,49,22,2,1,13,1,11,45,35,43,55,12,19,83,1,3,2,3,13,2,1,7,3,18,3,13,8,1,8,18,5,3,7,25,24,9,24,40,3,17,24,2,1,6,2,3,16,15,6,7,3,12,1,9,7,3,3, + 3,15,21,5,16,4,5,12,11,11,3,6,3,2,31,3,2,1,1,23,6,6,1,4,2,6,5,2,1,1,3,3,22,2,6,2,3,17,3,2,4,5,1,9,5,1,1,6,15,12,3,17,2,14,2,8,1,23,16,4,2,23, + 8,15,23,20,12,25,19,47,11,21,65,46,4,3,1,5,6,1,2,5,26,2,1,1,3,11,1,1,1,2,1,2,3,1,1,10,2,3,1,1,1,3,6,3,2,2,6,6,9,2,2,2,6,2,5,10,2,4,1,2,1,2,2, + 3,1,1,3,1,2,9,23,9,2,1,1,1,1,5,3,2,1,10,9,6,1,10,2,31,25,3,7,5,40,1,15,6,17,7,27,180,1,3,2,2,1,1,1,6,3,10,7,1,3,6,17,8,6,2,2,1,3,5,5,8,16,14, + 15,1,1,4,1,2,1,1,1,3,2,7,5,6,2,5,10,1,4,2,9,1,1,11,6,1,44,1,3,7,9,5,1,3,1,1,10,7,1,10,4,2,7,21,15,7,2,5,1,8,3,4,1,3,1,6,1,4,2,1,4,10,8,1,4,5, + 1,5,10,2,7,1,10,1,1,3,4,11,10,29,4,7,3,5,2,3,33,5,2,19,3,1,4,2,6,31,11,1,3,3,3,1,8,10,9,12,11,12,8,3,14,8,6,11,1,4,41,3,1,2,7,13,1,5,6,2,6,12, + 12,22,5,9,4,8,9,9,34,6,24,1,1,20,9,9,3,4,1,7,2,2,2,6,2,28,5,3,6,1,4,6,7,4,2,1,4,2,13,6,4,4,3,1,8,8,3,2,1,5,1,2,2,3,1,11,11,7,3,6,10,8,6,16,16, + 22,7,12,6,21,5,4,6,6,3,6,1,3,2,1,2,8,29,1,10,1,6,13,6,6,19,31,1,13,4,4,22,17,26,33,10,4,15,12,25,6,67,10,2,3,1,6,10,2,6,2,9,1,9,4,4,1,2,16,2, + 5,9,2,3,8,1,8,3,9,4,8,6,4,8,11,3,2,1,1,3,26,1,7,5,1,11,1,5,3,5,2,13,6,39,5,1,5,2,11,6,10,5,1,15,5,3,6,19,21,22,2,4,1,6,1,8,1,4,8,2,4,2,2,9,2, + 1,1,1,4,3,6,3,12,7,1,14,2,4,10,2,13,1,17,7,3,2,1,3,2,13,7,14,12,3,1,29,2,8,9,15,14,9,14,1,3,1,6,5,9,11,3,38,43,20,7,7,8,5,15,12,19,15,81,8,7, + 1,5,73,13,37,28,8,8,1,15,18,20,165,28,1,6,11,8,4,14,7,15,1,3,3,6,4,1,7,14,1,1,11,30,1,5,1,4,14,1,4,2,7,52,2,6,29,3,1,9,1,21,3,5,1,26,3,11,14, + 11,1,17,5,1,2,1,3,2,8,1,2,9,12,1,1,2,3,8,3,24,12,7,7,5,17,3,3,3,1,23,10,4,4,6,3,1,16,17,22,3,10,21,16,16,6,4,10,2,1,1,2,8,8,6,5,3,3,3,39,25, + 15,1,1,16,6,7,25,15,6,6,12,1,22,13,1,4,9,5,12,2,9,1,12,28,8,3,5,10,22,60,1,2,40,4,61,63,4,1,13,12,1,4,31,12,1,14,89,5,16,6,29,14,2,5,49,18,18, + 5,29,33,47,1,17,1,19,12,2,9,7,39,12,3,7,12,39,3,1,46,4,12,3,8,9,5,31,15,18,3,2,2,66,19,13,17,5,3,46,124,13,57,34,2,5,4,5,8,1,1,1,4,3,1,17,5, + 3,5,3,1,8,5,6,3,27,3,26,7,12,7,2,17,3,7,18,78,16,4,36,1,2,1,6,2,1,39,17,7,4,13,4,4,4,1,10,4,2,4,6,3,10,1,19,1,26,2,4,33,2,73,47,7,3,8,2,4,15, + 18,1,29,2,41,14,1,21,16,41,7,39,25,13,44,2,2,10,1,13,7,1,7,3,5,20,4,8,2,49,1,10,6,1,6,7,10,7,11,16,3,12,20,4,10,3,1,2,11,2,28,9,2,4,7,2,15,1, + 27,1,28,17,4,5,10,7,3,24,10,11,6,26,3,2,7,2,2,49,16,10,16,15,4,5,27,61,30,14,38,22,2,7,5,1,3,12,23,24,17,17,3,3,2,4,1,6,2,7,5,1,1,5,1,1,9,4, + 1,3,6,1,8,2,8,4,14,3,5,11,4,1,3,32,1,19,4,1,13,11,5,2,1,8,6,8,1,6,5,13,3,23,11,5,3,16,3,9,10,1,24,3,198,52,4,2,2,5,14,5,4,22,5,20,4,11,6,41, + 1,5,2,2,11,5,2,28,35,8,22,3,18,3,10,7,5,3,4,1,5,3,8,9,3,6,2,16,22,4,5,5,3,3,18,23,2,6,23,5,27,8,1,33,2,12,43,16,5,2,3,6,1,20,4,2,9,7,1,11,2, + 10,3,14,31,9,3,25,18,20,2,5,5,26,14,1,11,17,12,40,19,9,6,31,83,2,7,9,19,78,12,14,21,76,12,113,79,34,4,1,1,61,18,85,10,2,2,13,31,11,50,6,33,159, + 179,6,6,7,4,4,2,4,2,5,8,7,20,32,22,1,3,10,6,7,28,5,10,9,2,77,19,13,2,5,1,4,4,7,4,13,3,9,31,17,3,26,2,6,6,5,4,1,7,11,3,4,2,1,6,2,20,4,1,9,2,6, + 3,7,1,1,1,20,2,3,1,6,2,3,6,2,4,8,1,5,13,8,4,11,23,1,10,6,2,1,3,21,2,2,4,24,31,4,10,10,2,5,192,15,4,16,7,9,51,1,2,1,1,5,1,1,2,1,3,5,3,1,3,4,1, + 3,1,3,3,9,8,1,2,2,2,4,4,18,12,92,2,10,4,3,14,5,25,16,42,4,14,4,2,21,5,126,30,31,2,1,5,13,3,22,5,6,6,20,12,1,14,12,87,3,19,1,8,2,9,9,3,3,23,2, + 3,7,6,3,1,2,3,9,1,3,1,6,3,2,1,3,11,3,1,6,10,3,2,3,1,2,1,5,1,1,11,3,6,4,1,7,2,1,2,5,5,34,4,14,18,4,19,7,5,8,2,6,79,1,5,2,14,8,2,9,2,1,36,28,16, + 4,1,1,1,2,12,6,42,39,16,23,7,15,15,3,2,12,7,21,64,6,9,28,8,12,3,3,41,59,24,51,55,57,294,9,9,2,6,2,15,1,2,13,38,90,9,9,9,3,11,7,1,1,1,5,6,3,2, + 1,2,2,3,8,1,4,4,1,5,7,1,4,3,20,4,9,1,1,1,5,5,17,1,5,2,6,2,4,1,4,5,7,3,18,11,11,32,7,5,4,7,11,127,8,4,3,3,1,10,1,1,6,21,14,1,16,1,7,1,3,6,9,65, + 51,4,3,13,3,10,1,1,12,9,21,110,3,19,24,1,1,10,62,4,1,29,42,78,28,20,18,82,6,3,15,6,84,58,253,15,155,264,15,21,9,14,7,58,40,39, + }; + static ImWchar base_ranges[] = // not zero-terminated + { + 0x0020, 0x00FF, // Basic Latin + Latin Supplement + 0x3000, 0x30FF, // CJK Symbols and Punctuations, Hiragana, Katakana + 0x31F0, 0x31FF, // Katakana Phonetic Extensions + 0xFF00, 0xFFEF // Half-width characters + }; + static ImWchar full_ranges[IM_ARRAYSIZE(base_ranges) + IM_ARRAYSIZE(accumulative_offsets_from_0x4E00)*2 + 1] = { 0 }; + if (!full_ranges[0]) + { + memcpy(full_ranges, base_ranges, sizeof(base_ranges)); + UnpackAccumulativeOffsetsIntoRanges(0x4E00, accumulative_offsets_from_0x4E00, IM_ARRAYSIZE(accumulative_offsets_from_0x4E00), full_ranges + IM_ARRAYSIZE(base_ranges)); + } + return &full_ranges[0]; +} + +const ImWchar* ImFontAtlas::GetGlyphRangesCyrillic() +{ + static const ImWchar ranges[] = + { + 0x0020, 0x00FF, // Basic Latin + Latin Supplement + 0x0400, 0x052F, // Cyrillic + Cyrillic Supplement + 0x2DE0, 0x2DFF, // Cyrillic Extended-A + 0xA640, 0xA69F, // Cyrillic Extended-B + 0, + }; + return &ranges[0]; +} + +const ImWchar* ImFontAtlas::GetGlyphRangesThai() +{ + static const ImWchar ranges[] = + { + 0x0020, 0x00FF, // Basic Latin + 0x2010, 0x205E, // Punctuations + 0x0E00, 0x0E7F, // Thai + 0, + }; + return &ranges[0]; +} + +const ImWchar* ImFontAtlas::GetGlyphRangesVietnamese() +{ + static const ImWchar ranges[] = + { + 0x0020, 0x00FF, // Basic Latin + 0x0102, 0x0103, + 0x0110, 0x0111, + 0x0128, 0x0129, + 0x0168, 0x0169, + 0x01A0, 0x01A1, + 0x01AF, 0x01B0, + 0x1EA0, 0x1EF9, + 0, + }; + return &ranges[0]; +} + +//----------------------------------------------------------------------------- +// [SECTION] ImFontGlyphRangesBuilder +//----------------------------------------------------------------------------- + +void ImFontGlyphRangesBuilder::AddText(const char* text, const char* text_end) +{ + while (text_end ? (text < text_end) : *text) + { + unsigned int c = 0; + int c_len = ImTextCharFromUtf8(&c, text, text_end); + text += c_len; + if (c_len == 0) + break; + AddChar((ImWchar)c); + } +} + +void ImFontGlyphRangesBuilder::AddRanges(const ImWchar* ranges) +{ + for (; ranges[0]; ranges += 2) + for (ImWchar c = ranges[0]; c <= ranges[1]; c++) + AddChar(c); +} + +void ImFontGlyphRangesBuilder::BuildRanges(ImVector* out_ranges) +{ + const int max_codepoint = IM_UNICODE_CODEPOINT_MAX; + for (int n = 0; n <= max_codepoint; n++) + if (GetBit(n)) + { + out_ranges->push_back((ImWchar)n); + while (n < max_codepoint && GetBit(n + 1)) + n++; + out_ranges->push_back((ImWchar)n); + } + out_ranges->push_back(0); +} + +//----------------------------------------------------------------------------- +// [SECTION] ImFont +//----------------------------------------------------------------------------- + +ImFont::ImFont() +{ + FontSize = 0.0f; + FallbackAdvanceX = 0.0f; + FallbackChar = (ImWchar)'?'; + EllipsisChar = (ImWchar)-1; + DisplayOffset = ImVec2(0.0f, 0.0f); + FallbackGlyph = NULL; + ContainerAtlas = NULL; + ConfigData = NULL; + ConfigDataCount = 0; + DirtyLookupTables = false; + Scale = 1.0f; + Ascent = Descent = 0.0f; + MetricsTotalSurface = 0; + memset(Used4kPagesMap, 0, sizeof(Used4kPagesMap)); +} + +ImFont::~ImFont() +{ + ClearOutputData(); +} + +void ImFont::ClearOutputData() +{ + FontSize = 0.0f; + FallbackAdvanceX = 0.0f; + Glyphs.clear(); + IndexAdvanceX.clear(); + IndexLookup.clear(); + FallbackGlyph = NULL; + ContainerAtlas = NULL; + DirtyLookupTables = true; + Ascent = Descent = 0.0f; + MetricsTotalSurface = 0; +} + +void ImFont::BuildLookupTable() +{ + int max_codepoint = 0; + for (int i = 0; i != Glyphs.Size; i++) + max_codepoint = ImMax(max_codepoint, (int)Glyphs[i].Codepoint); + + // Build lookup table + IM_ASSERT(Glyphs.Size < 0xFFFF); // -1 is reserved + IndexAdvanceX.clear(); + IndexLookup.clear(); + DirtyLookupTables = false; + memset(Used4kPagesMap, 0, sizeof(Used4kPagesMap)); + GrowIndex(max_codepoint + 1); + for (int i = 0; i < Glyphs.Size; i++) + { + int codepoint = (int)Glyphs[i].Codepoint; + IndexAdvanceX[codepoint] = Glyphs[i].AdvanceX; + IndexLookup[codepoint] = (ImWchar)i; + + // Mark 4K page as used + const int page_n = codepoint / 4096; + Used4kPagesMap[page_n >> 3] |= 1 << (page_n & 7); + } + + // Create a glyph to handle TAB + // FIXME: Needs proper TAB handling but it needs to be contextualized (or we could arbitrary say that each string starts at "column 0" ?) + if (FindGlyph((ImWchar)' ')) + { + if (Glyphs.back().Codepoint != '\t') // So we can call this function multiple times (FIXME: Flaky) + Glyphs.resize(Glyphs.Size + 1); + ImFontGlyph& tab_glyph = Glyphs.back(); + tab_glyph = *FindGlyph((ImWchar)' '); + tab_glyph.Codepoint = '\t'; + tab_glyph.AdvanceX *= IM_TABSIZE; + IndexAdvanceX[(int)tab_glyph.Codepoint] = (float)tab_glyph.AdvanceX; + IndexLookup[(int)tab_glyph.Codepoint] = (ImWchar)(Glyphs.Size-1); + } + + // Mark special glyphs as not visible (note that AddGlyph already mark as non-visible glyphs with zero-size polygons) + SetGlyphVisible((ImWchar)' ', false); + SetGlyphVisible((ImWchar)'\t', false); + + // Setup fall-backs + FallbackGlyph = FindGlyphNoFallback(FallbackChar); + FallbackAdvanceX = FallbackGlyph ? FallbackGlyph->AdvanceX : 0.0f; + for (int i = 0; i < max_codepoint + 1; i++) + if (IndexAdvanceX[i] < 0.0f) + IndexAdvanceX[i] = FallbackAdvanceX; +} + +// API is designed this way to avoid exposing the 4K page size +// e.g. use with IsGlyphRangeUnused(0, 255) +bool ImFont::IsGlyphRangeUnused(unsigned int c_begin, unsigned int c_last) +{ + unsigned int page_begin = (c_begin / 4096); + unsigned int page_last = (c_last / 4096); + for (unsigned int page_n = page_begin; page_n <= page_last; page_n++) + if ((page_n >> 3) < sizeof(Used4kPagesMap)) + if (Used4kPagesMap[page_n >> 3] & (1 << (page_n & 7))) + return false; + return true; +} + +void ImFont::SetGlyphVisible(ImWchar c, bool visible) +{ + if (ImFontGlyph* glyph = (ImFontGlyph*)(void*)FindGlyph((ImWchar)c)) + glyph->Visible = visible ? 1 : 0; +} + +void ImFont::SetFallbackChar(ImWchar c) +{ + FallbackChar = c; + BuildLookupTable(); +} + +void ImFont::GrowIndex(int new_size) +{ + IM_ASSERT(IndexAdvanceX.Size == IndexLookup.Size); + if (new_size <= IndexLookup.Size) + return; + IndexAdvanceX.resize(new_size, -1.0f); + IndexLookup.resize(new_size, (ImWchar)-1); +} + +// x0/y0/x1/y1 are offset from the character upper-left layout position, in pixels. Therefore x0/y0 are often fairly close to zero. +// Not to be mistaken with texture coordinates, which are held by u0/v0/u1/v1 in normalized format (0.0..1.0 on each texture axis). +void ImFont::AddGlyph(ImWchar codepoint, float x0, float y0, float x1, float y1, float u0, float v0, float u1, float v1, float advance_x) +{ + Glyphs.resize(Glyphs.Size + 1); + ImFontGlyph& glyph = Glyphs.back(); + glyph.Codepoint = (unsigned int)codepoint; + glyph.Visible = (x0 != x1) && (y0 != y1); + glyph.X0 = x0; + glyph.Y0 = y0; + glyph.X1 = x1; + glyph.Y1 = y1; + glyph.U0 = u0; + glyph.V0 = v0; + glyph.U1 = u1; + glyph.V1 = v1; + glyph.AdvanceX = advance_x + ConfigData->GlyphExtraSpacing.x; // Bake spacing into AdvanceX + + if (ConfigData->PixelSnapH) + glyph.AdvanceX = IM_ROUND(glyph.AdvanceX); + + // Compute rough surface usage metrics (+1 to account for average padding, +0.99 to round) + DirtyLookupTables = true; + MetricsTotalSurface += (int)((glyph.U1 - glyph.U0) * ContainerAtlas->TexWidth + 1.99f) * (int)((glyph.V1 - glyph.V0) * ContainerAtlas->TexHeight + 1.99f); +} + +void ImFont::AddRemapChar(ImWchar dst, ImWchar src, bool overwrite_dst) +{ + IM_ASSERT(IndexLookup.Size > 0); // Currently this can only be called AFTER the font has been built, aka after calling ImFontAtlas::GetTexDataAs*() function. + unsigned int index_size = (unsigned int)IndexLookup.Size; + + if (dst < index_size && IndexLookup.Data[dst] == (ImWchar)-1 && !overwrite_dst) // 'dst' already exists + return; + if (src >= index_size && dst >= index_size) // both 'dst' and 'src' don't exist -> no-op + return; + + GrowIndex(dst + 1); + IndexLookup[dst] = (src < index_size) ? IndexLookup.Data[src] : (ImWchar)-1; + IndexAdvanceX[dst] = (src < index_size) ? IndexAdvanceX.Data[src] : 1.0f; +} + +const ImFontGlyph* ImFont::FindGlyph(ImWchar c) const +{ + if (c >= (size_t)IndexLookup.Size) + return FallbackGlyph; + const ImWchar i = IndexLookup.Data[c]; + if (i == (ImWchar)-1) + return FallbackGlyph; + return &Glyphs.Data[i]; +} + +const ImFontGlyph* ImFont::FindGlyphNoFallback(ImWchar c) const +{ + if (c >= (size_t)IndexLookup.Size) + return NULL; + const ImWchar i = IndexLookup.Data[c]; + if (i == (ImWchar)-1) + return NULL; + return &Glyphs.Data[i]; +} + +const char* ImFont::CalcWordWrapPositionA(float scale, const char* text, const char* text_end, float wrap_width) const +{ + // Simple word-wrapping for English, not full-featured. Please submit failing cases! + // FIXME: Much possible improvements (don't cut things like "word !", "word!!!" but cut within "word,,,,", more sensible support for punctuations, support for Unicode punctuations, etc.) + + // For references, possible wrap point marked with ^ + // "aaa bbb, ccc,ddd. eee fff. ggg!" + // ^ ^ ^ ^ ^__ ^ ^ + + // List of hardcoded separators: .,;!?'" + + // Skip extra blanks after a line returns (that includes not counting them in width computation) + // e.g. "Hello world" --> "Hello" "World" + + // Cut words that cannot possibly fit within one line. + // e.g.: "The tropical fish" with ~5 characters worth of width --> "The tr" "opical" "fish" + + float line_width = 0.0f; + float word_width = 0.0f; + float blank_width = 0.0f; + wrap_width /= scale; // We work with unscaled widths to avoid scaling every characters + + const char* word_end = text; + const char* prev_word_end = NULL; + bool inside_word = true; + + const char* s = text; + while (s < text_end) + { + unsigned int c = (unsigned int)*s; + const char* next_s; + if (c < 0x80) + next_s = s + 1; + else + next_s = s + ImTextCharFromUtf8(&c, s, text_end); + if (c == 0) + break; + + if (c < 32) + { + if (c == '\n') + { + line_width = word_width = blank_width = 0.0f; + inside_word = true; + s = next_s; + continue; + } + if (c == '\r') + { + s = next_s; + continue; + } + } + + const float char_width = ((int)c < IndexAdvanceX.Size ? IndexAdvanceX.Data[c] : FallbackAdvanceX); + if (ImCharIsBlankW(c)) + { + if (inside_word) + { + line_width += blank_width; + blank_width = 0.0f; + word_end = s; + } + blank_width += char_width; + inside_word = false; + } + else + { + word_width += char_width; + if (inside_word) + { + word_end = next_s; + } + else + { + prev_word_end = word_end; + line_width += word_width + blank_width; + word_width = blank_width = 0.0f; + } + + // Allow wrapping after punctuation. + inside_word = !(c == '.' || c == ',' || c == ';' || c == '!' || c == '?' || c == '\"'); + } + + // We ignore blank width at the end of the line (they can be skipped) + if (line_width + word_width > wrap_width) + { + // Words that cannot possibly fit within an entire line will be cut anywhere. + if (word_width < wrap_width) + s = prev_word_end ? prev_word_end : word_end; + break; + } + + s = next_s; + } + + return s; +} + +ImVec2 ImFont::CalcTextSizeA(float size, float max_width, float wrap_width, const char* text_begin, const char* text_end, const char** remaining) const +{ + if (!text_end) + text_end = text_begin + strlen(text_begin); // FIXME-OPT: Need to avoid this. + + const float line_height = size; + const float scale = size / FontSize; + + ImVec2 text_size = ImVec2(0,0); + float line_width = 0.0f; + + const bool word_wrap_enabled = (wrap_width > 0.0f); + const char* word_wrap_eol = NULL; + + const char* s = text_begin; + while (s < text_end) + { + if (word_wrap_enabled) + { + // Calculate how far we can render. Requires two passes on the string data but keeps the code simple and not intrusive for what's essentially an uncommon feature. + if (!word_wrap_eol) + { + word_wrap_eol = CalcWordWrapPositionA(scale, s, text_end, wrap_width - line_width); + if (word_wrap_eol == s) // Wrap_width is too small to fit anything. Force displaying 1 character to minimize the height discontinuity. + word_wrap_eol++; // +1 may not be a character start point in UTF-8 but it's ok because we use s >= word_wrap_eol below + } + + if (s >= word_wrap_eol) + { + if (text_size.x < line_width) + text_size.x = line_width; + text_size.y += line_height; + line_width = 0.0f; + word_wrap_eol = NULL; + + // Wrapping skips upcoming blanks + while (s < text_end) + { + const char c = *s; + if (ImCharIsBlankA(c)) { s++; } else if (c == '\n') { s++; break; } else { break; } + } + continue; + } + } + + // Decode and advance source + const char* prev_s = s; + unsigned int c = (unsigned int)*s; + if (c < 0x80) + { + s += 1; + } + else + { + s += ImTextCharFromUtf8(&c, s, text_end); + if (c == 0) // Malformed UTF-8? + break; + } + + if (c < 32) + { + if (c == '\n') + { + text_size.x = ImMax(text_size.x, line_width); + text_size.y += line_height; + line_width = 0.0f; + continue; + } + if (c == '\r') + continue; + } + + const float char_width = ((int)c < IndexAdvanceX.Size ? IndexAdvanceX.Data[c] : FallbackAdvanceX) * scale; + if (line_width + char_width >= max_width) + { + s = prev_s; + break; + } + + line_width += char_width; + } + + if (text_size.x < line_width) + text_size.x = line_width; + + if (line_width > 0 || text_size.y == 0.0f) + text_size.y += line_height; + + if (remaining) + *remaining = s; + + return text_size; +} + +void ImFont::RenderChar(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col, ImWchar c) const +{ + const ImFontGlyph* glyph = FindGlyph(c); + if (!glyph || !glyph->Visible) + return; + float scale = (size >= 0.0f) ? (size / FontSize) : 1.0f; + pos.x = IM_FLOOR(pos.x + DisplayOffset.x); + pos.y = IM_FLOOR(pos.y + DisplayOffset.y); + draw_list->PrimReserve(6, 4); + draw_list->PrimRectUV(ImVec2(pos.x + glyph->X0 * scale, pos.y + glyph->Y0 * scale), ImVec2(pos.x + glyph->X1 * scale, pos.y + glyph->Y1 * scale), ImVec2(glyph->U0, glyph->V0), ImVec2(glyph->U1, glyph->V1), col); +} + +void ImFont::RenderText(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col, const ImVec4& clip_rect, const char* text_begin, const char* text_end, float wrap_width, bool cpu_fine_clip) const +{ + if (!text_end) + text_end = text_begin + strlen(text_begin); // ImGui:: functions generally already provides a valid text_end, so this is merely to handle direct calls. + + // Align to be pixel perfect + pos.x = IM_FLOOR(pos.x + DisplayOffset.x); + pos.y = IM_FLOOR(pos.y + DisplayOffset.y); + float x = pos.x; + float y = pos.y; + if (y > clip_rect.w) + return; + + const float scale = size / FontSize; + const float line_height = FontSize * scale; + const bool word_wrap_enabled = (wrap_width > 0.0f); + const char* word_wrap_eol = NULL; + + // Fast-forward to first visible line + const char* s = text_begin; + if (y + line_height < clip_rect.y && !word_wrap_enabled) + while (y + line_height < clip_rect.y && s < text_end) + { + s = (const char*)memchr(s, '\n', text_end - s); + s = s ? s + 1 : text_end; + y += line_height; + } + + // For large text, scan for the last visible line in order to avoid over-reserving in the call to PrimReserve() + // Note that very large horizontal line will still be affected by the issue (e.g. a one megabyte string buffer without a newline will likely crash atm) + if (text_end - s > 10000 && !word_wrap_enabled) + { + const char* s_end = s; + float y_end = y; + while (y_end < clip_rect.w && s_end < text_end) + { + s_end = (const char*)memchr(s_end, '\n', text_end - s_end); + s_end = s_end ? s_end + 1 : text_end; + y_end += line_height; + } + text_end = s_end; + } + if (s == text_end) + return; + + // Reserve vertices for remaining worse case (over-reserving is useful and easily amortized) + const int vtx_count_max = (int)(text_end - s) * 4; + const int idx_count_max = (int)(text_end - s) * 6; + const int idx_expected_size = draw_list->IdxBuffer.Size + idx_count_max; + draw_list->PrimReserve(idx_count_max, vtx_count_max); + + ImDrawVert* vtx_write = draw_list->_VtxWritePtr; + ImDrawIdx* idx_write = draw_list->_IdxWritePtr; + unsigned int vtx_current_idx = draw_list->_VtxCurrentIdx; + + while (s < text_end) + { + if (word_wrap_enabled) + { + // Calculate how far we can render. Requires two passes on the string data but keeps the code simple and not intrusive for what's essentially an uncommon feature. + if (!word_wrap_eol) + { + word_wrap_eol = CalcWordWrapPositionA(scale, s, text_end, wrap_width - (x - pos.x)); + if (word_wrap_eol == s) // Wrap_width is too small to fit anything. Force displaying 1 character to minimize the height discontinuity. + word_wrap_eol++; // +1 may not be a character start point in UTF-8 but it's ok because we use s >= word_wrap_eol below + } + + if (s >= word_wrap_eol) + { + x = pos.x; + y += line_height; + word_wrap_eol = NULL; + + // Wrapping skips upcoming blanks + while (s < text_end) + { + const char c = *s; + if (ImCharIsBlankA(c)) { s++; } else if (c == '\n') { s++; break; } else { break; } + } + continue; + } + } + + // Decode and advance source + unsigned int c = (unsigned int)*s; + if (c < 0x80) + { + s += 1; + } + else + { + s += ImTextCharFromUtf8(&c, s, text_end); + if (c == 0) // Malformed UTF-8? + break; + } + + if (c < 32) + { + if (c == '\n') + { + x = pos.x; + y += line_height; + if (y > clip_rect.w) + break; // break out of main loop + continue; + } + if (c == '\r') + continue; + } + + const ImFontGlyph* glyph = FindGlyph((ImWchar)c); + if (glyph == NULL) + continue; + + float char_width = glyph->AdvanceX * scale; + if (glyph->Visible) + { + // We don't do a second finer clipping test on the Y axis as we've already skipped anything before clip_rect.y and exit once we pass clip_rect.w + float x1 = x + glyph->X0 * scale; + float x2 = x + glyph->X1 * scale; + float y1 = y + glyph->Y0 * scale; + float y2 = y + glyph->Y1 * scale; + if (x1 <= clip_rect.z && x2 >= clip_rect.x) + { + // Render a character + float u1 = glyph->U0; + float v1 = glyph->V0; + float u2 = glyph->U1; + float v2 = glyph->V1; + + // CPU side clipping used to fit text in their frame when the frame is too small. Only does clipping for axis aligned quads. + if (cpu_fine_clip) + { + if (x1 < clip_rect.x) + { + u1 = u1 + (1.0f - (x2 - clip_rect.x) / (x2 - x1)) * (u2 - u1); + x1 = clip_rect.x; + } + if (y1 < clip_rect.y) + { + v1 = v1 + (1.0f - (y2 - clip_rect.y) / (y2 - y1)) * (v2 - v1); + y1 = clip_rect.y; + } + if (x2 > clip_rect.z) + { + u2 = u1 + ((clip_rect.z - x1) / (x2 - x1)) * (u2 - u1); + x2 = clip_rect.z; + } + if (y2 > clip_rect.w) + { + v2 = v1 + ((clip_rect.w - y1) / (y2 - y1)) * (v2 - v1); + y2 = clip_rect.w; + } + if (y1 >= y2) + { + x += char_width; + continue; + } + } + + // We are NOT calling PrimRectUV() here because non-inlined causes too much overhead in a debug builds. Inlined here: + { + idx_write[0] = (ImDrawIdx)(vtx_current_idx); idx_write[1] = (ImDrawIdx)(vtx_current_idx+1); idx_write[2] = (ImDrawIdx)(vtx_current_idx+2); + idx_write[3] = (ImDrawIdx)(vtx_current_idx); idx_write[4] = (ImDrawIdx)(vtx_current_idx+2); idx_write[5] = (ImDrawIdx)(vtx_current_idx+3); + vtx_write[0].pos.x = x1; vtx_write[0].pos.y = y1; vtx_write[0].col = col; vtx_write[0].uv.x = u1; vtx_write[0].uv.y = v1; + vtx_write[1].pos.x = x2; vtx_write[1].pos.y = y1; vtx_write[1].col = col; vtx_write[1].uv.x = u2; vtx_write[1].uv.y = v1; + vtx_write[2].pos.x = x2; vtx_write[2].pos.y = y2; vtx_write[2].col = col; vtx_write[2].uv.x = u2; vtx_write[2].uv.y = v2; + vtx_write[3].pos.x = x1; vtx_write[3].pos.y = y2; vtx_write[3].col = col; vtx_write[3].uv.x = u1; vtx_write[3].uv.y = v2; + vtx_write += 4; + vtx_current_idx += 4; + idx_write += 6; + } + } + } + x += char_width; + } + + // Give back unused vertices (clipped ones, blanks) ~ this is essentially a PrimUnreserve() action. + draw_list->VtxBuffer.Size = (int)(vtx_write - draw_list->VtxBuffer.Data); // Same as calling shrink() + draw_list->IdxBuffer.Size = (int)(idx_write - draw_list->IdxBuffer.Data); + draw_list->CmdBuffer[draw_list->CmdBuffer.Size-1].ElemCount -= (idx_expected_size - draw_list->IdxBuffer.Size); + draw_list->_VtxWritePtr = vtx_write; + draw_list->_IdxWritePtr = idx_write; + draw_list->_VtxCurrentIdx = vtx_current_idx; +} + +//----------------------------------------------------------------------------- +// [SECTION] ImGui Internal Render Helpers +//----------------------------------------------------------------------------- +// Vaguely redesigned to stop accessing ImGui global state: +// - RenderArrow() +// - RenderBullet() +// - RenderCheckMark() +// - RenderMouseCursor() +// - RenderArrowPointingAt() +// - RenderRectFilledRangeH() +//----------------------------------------------------------------------------- +// Function in need of a redesign (legacy mess) +// - RenderColorRectWithAlphaCheckerboard() +//----------------------------------------------------------------------------- + +// Render an arrow aimed to be aligned with text (p_min is a position in the same space text would be positioned). To e.g. denote expanded/collapsed state +void ImGui::RenderArrow(ImDrawList* draw_list, ImVec2 pos, ImU32 col, ImGuiDir dir, float scale) +{ + const float h = draw_list->_Data->FontSize * 1.00f; + float r = h * 0.40f * scale; + ImVec2 center = pos + ImVec2(h * 0.50f, h * 0.50f * scale); + + ImVec2 a, b, c; + switch (dir) + { + case ImGuiDir_Up: + case ImGuiDir_Down: + if (dir == ImGuiDir_Up) r = -r; + a = ImVec2(+0.000f, +0.750f) * r; + b = ImVec2(-0.866f, -0.750f) * r; + c = ImVec2(+0.866f, -0.750f) * r; + break; + case ImGuiDir_Left: + case ImGuiDir_Right: + if (dir == ImGuiDir_Left) r = -r; + a = ImVec2(+0.750f, +0.000f) * r; + b = ImVec2(-0.750f, +0.866f) * r; + c = ImVec2(-0.750f, -0.866f) * r; + break; + case ImGuiDir_None: + case ImGuiDir_COUNT: + IM_ASSERT(0); + break; + } + draw_list->AddTriangleFilled(center + a, center + b, center + c, col); +} + +void ImGui::RenderBullet(ImDrawList* draw_list, ImVec2 pos, ImU32 col) +{ + draw_list->AddCircleFilled(pos, draw_list->_Data->FontSize * 0.20f, col, 8); +} + +void ImGui::RenderCheckMark(ImDrawList* draw_list, ImVec2 pos, ImU32 col, float sz) +{ + float thickness = ImMax(sz / 5.0f, 1.0f); + sz -= thickness * 0.5f; + pos += ImVec2(thickness * 0.25f, thickness * 0.25f); + + float third = sz / 3.0f; + float bx = pos.x + third; + float by = pos.y + sz - third * 0.5f; + draw_list->PathLineTo(ImVec2(bx - third, by - third)); + draw_list->PathLineTo(ImVec2(bx, by)); + draw_list->PathLineTo(ImVec2(bx + third * 2.0f, by - third * 2.0f)); + draw_list->PathStroke(col, false, thickness); +} + +void ImGui::RenderMouseCursor(ImDrawList* draw_list, ImVec2 pos, float scale, ImGuiMouseCursor mouse_cursor, ImU32 col_fill, ImU32 col_border, ImU32 col_shadow) +{ + if (mouse_cursor == ImGuiMouseCursor_None) + return; + IM_ASSERT(mouse_cursor > ImGuiMouseCursor_None && mouse_cursor < ImGuiMouseCursor_COUNT); + + ImFontAtlas* font_atlas = draw_list->_Data->Font->ContainerAtlas; + ImVec2 offset, size, uv[4]; + if (font_atlas->GetMouseCursorTexData(mouse_cursor, &offset, &size, &uv[0], &uv[2])) + { + pos -= offset; + const ImTextureID tex_id = font_atlas->TexID; + draw_list->PushTextureID(tex_id); + draw_list->AddImage(tex_id, pos + ImVec2(1,0)*scale, pos + ImVec2(1,0)*scale + size*scale, uv[2], uv[3], col_shadow); + draw_list->AddImage(tex_id, pos + ImVec2(2,0)*scale, pos + ImVec2(2,0)*scale + size*scale, uv[2], uv[3], col_shadow); + draw_list->AddImage(tex_id, pos, pos + size*scale, uv[2], uv[3], col_border); + draw_list->AddImage(tex_id, pos, pos + size*scale, uv[0], uv[1], col_fill); + draw_list->PopTextureID(); + } +} + +// Render an arrow. 'pos' is position of the arrow tip. half_sz.x is length from base to tip. half_sz.y is length on each side. +void ImGui::RenderArrowPointingAt(ImDrawList* draw_list, ImVec2 pos, ImVec2 half_sz, ImGuiDir direction, ImU32 col) +{ + switch (direction) + { + case ImGuiDir_Left: draw_list->AddTriangleFilled(ImVec2(pos.x + half_sz.x, pos.y - half_sz.y), ImVec2(pos.x + half_sz.x, pos.y + half_sz.y), pos, col); return; + case ImGuiDir_Right: draw_list->AddTriangleFilled(ImVec2(pos.x - half_sz.x, pos.y + half_sz.y), ImVec2(pos.x - half_sz.x, pos.y - half_sz.y), pos, col); return; + case ImGuiDir_Up: draw_list->AddTriangleFilled(ImVec2(pos.x + half_sz.x, pos.y + half_sz.y), ImVec2(pos.x - half_sz.x, pos.y + half_sz.y), pos, col); return; + case ImGuiDir_Down: draw_list->AddTriangleFilled(ImVec2(pos.x - half_sz.x, pos.y - half_sz.y), ImVec2(pos.x + half_sz.x, pos.y - half_sz.y), pos, col); return; + case ImGuiDir_None: case ImGuiDir_COUNT: break; // Fix warnings + } +} + +static inline float ImAcos01(float x) +{ + if (x <= 0.0f) return IM_PI * 0.5f; + if (x >= 1.0f) return 0.0f; + return ImAcos(x); + //return (-0.69813170079773212f * x * x - 0.87266462599716477f) * x + 1.5707963267948966f; // Cheap approximation, may be enough for what we do. +} + +// FIXME: Cleanup and move code to ImDrawList. +void ImGui::RenderRectFilledRangeH(ImDrawList* draw_list, const ImRect& rect, ImU32 col, float x_start_norm, float x_end_norm, float rounding) +{ + if (x_end_norm == x_start_norm) + return; + if (x_start_norm > x_end_norm) + ImSwap(x_start_norm, x_end_norm); + + ImVec2 p0 = ImVec2(ImLerp(rect.Min.x, rect.Max.x, x_start_norm), rect.Min.y); + ImVec2 p1 = ImVec2(ImLerp(rect.Min.x, rect.Max.x, x_end_norm), rect.Max.y); + if (rounding == 0.0f) + { + draw_list->AddRectFilled(p0, p1, col, 0.0f); + return; + } + + rounding = ImClamp(ImMin((rect.Max.x - rect.Min.x) * 0.5f, (rect.Max.y - rect.Min.y) * 0.5f) - 1.0f, 0.0f, rounding); + const float inv_rounding = 1.0f / rounding; + const float arc0_b = ImAcos01(1.0f - (p0.x - rect.Min.x) * inv_rounding); + const float arc0_e = ImAcos01(1.0f - (p1.x - rect.Min.x) * inv_rounding); + const float half_pi = IM_PI * 0.5f; // We will == compare to this because we know this is the exact value ImAcos01 can return. + const float x0 = ImMax(p0.x, rect.Min.x + rounding); + if (arc0_b == arc0_e) + { + draw_list->PathLineTo(ImVec2(x0, p1.y)); + draw_list->PathLineTo(ImVec2(x0, p0.y)); + } + else if (arc0_b == 0.0f && arc0_e == half_pi) + { + draw_list->PathArcToFast(ImVec2(x0, p1.y - rounding), rounding, 3, 6); // BL + draw_list->PathArcToFast(ImVec2(x0, p0.y + rounding), rounding, 6, 9); // TR + } + else + { + draw_list->PathArcTo(ImVec2(x0, p1.y - rounding), rounding, IM_PI - arc0_e, IM_PI - arc0_b, 3); // BL + draw_list->PathArcTo(ImVec2(x0, p0.y + rounding), rounding, IM_PI + arc0_b, IM_PI + arc0_e, 3); // TR + } + if (p1.x > rect.Min.x + rounding) + { + const float arc1_b = ImAcos01(1.0f - (rect.Max.x - p1.x) * inv_rounding); + const float arc1_e = ImAcos01(1.0f - (rect.Max.x - p0.x) * inv_rounding); + const float x1 = ImMin(p1.x, rect.Max.x - rounding); + if (arc1_b == arc1_e) + { + draw_list->PathLineTo(ImVec2(x1, p0.y)); + draw_list->PathLineTo(ImVec2(x1, p1.y)); + } + else if (arc1_b == 0.0f && arc1_e == half_pi) + { + draw_list->PathArcToFast(ImVec2(x1, p0.y + rounding), rounding, 9, 12); // TR + draw_list->PathArcToFast(ImVec2(x1, p1.y - rounding), rounding, 0, 3); // BR + } + else + { + draw_list->PathArcTo(ImVec2(x1, p0.y + rounding), rounding, -arc1_e, -arc1_b, 3); // TR + draw_list->PathArcTo(ImVec2(x1, p1.y - rounding), rounding, +arc1_b, +arc1_e, 3); // BR + } + } + draw_list->PathFillConvex(col); +} + +// Helper for ColorPicker4() +// NB: This is rather brittle and will show artifact when rounding this enabled if rounded corners overlap multiple cells. Caller currently responsible for avoiding that. +// Spent a non reasonable amount of time trying to getting this right for ColorButton with rounding+anti-aliasing+ImGuiColorEditFlags_HalfAlphaPreview flag + various grid sizes and offsets, and eventually gave up... probably more reasonable to disable rounding alltogether. +// FIXME: uses ImGui::GetColorU32 +void ImGui::RenderColorRectWithAlphaCheckerboard(ImDrawList* draw_list, ImVec2 p_min, ImVec2 p_max, ImU32 col, float grid_step, ImVec2 grid_off, float rounding, int rounding_corners_flags) +{ + if (((col & IM_COL32_A_MASK) >> IM_COL32_A_SHIFT) < 0xFF) + { + ImU32 col_bg1 = ImGui::GetColorU32(ImAlphaBlendColors(IM_COL32(204, 204, 204, 255), col)); + ImU32 col_bg2 = ImGui::GetColorU32(ImAlphaBlendColors(IM_COL32(128, 128, 128, 255), col)); + draw_list->AddRectFilled(p_min, p_max, col_bg1, rounding, rounding_corners_flags); + + int yi = 0; + for (float y = p_min.y + grid_off.y; y < p_max.y; y += grid_step, yi++) + { + float y1 = ImClamp(y, p_min.y, p_max.y), y2 = ImMin(y + grid_step, p_max.y); + if (y2 <= y1) + continue; + for (float x = p_min.x + grid_off.x + (yi & 1) * grid_step; x < p_max.x; x += grid_step * 2.0f) + { + float x1 = ImClamp(x, p_min.x, p_max.x), x2 = ImMin(x + grid_step, p_max.x); + if (x2 <= x1) + continue; + int rounding_corners_flags_cell = 0; + if (y1 <= p_min.y) { if (x1 <= p_min.x) rounding_corners_flags_cell |= ImDrawCornerFlags_TopLeft; if (x2 >= p_max.x) rounding_corners_flags_cell |= ImDrawCornerFlags_TopRight; } + if (y2 >= p_max.y) { if (x1 <= p_min.x) rounding_corners_flags_cell |= ImDrawCornerFlags_BotLeft; if (x2 >= p_max.x) rounding_corners_flags_cell |= ImDrawCornerFlags_BotRight; } + rounding_corners_flags_cell &= rounding_corners_flags; + draw_list->AddRectFilled(ImVec2(x1, y1), ImVec2(x2, y2), col_bg2, rounding_corners_flags_cell ? rounding : 0.0f, rounding_corners_flags_cell); + } + } + } + else + { + draw_list->AddRectFilled(p_min, p_max, col, rounding, rounding_corners_flags); + } +} + +//----------------------------------------------------------------------------- +// [SECTION] Decompression code +//----------------------------------------------------------------------------- +// Compressed with stb_compress() then converted to a C array and encoded as base85. +// Use the program in misc/fonts/binary_to_compressed_c.cpp to create the array from a TTF file. +// The purpose of encoding as base85 instead of "0x00,0x01,..." style is only save on _source code_ size. +// Decompression from stb.h (public domain) by Sean Barrett https://github.com/nothings/stb/blob/master/stb.h +//----------------------------------------------------------------------------- + +static unsigned int stb_decompress_length(const unsigned char *input) +{ + return (input[8] << 24) + (input[9] << 16) + (input[10] << 8) + input[11]; +} + +static unsigned char *stb__barrier_out_e, *stb__barrier_out_b; +static const unsigned char *stb__barrier_in_b; +static unsigned char *stb__dout; +static void stb__match(const unsigned char *data, unsigned int length) +{ + // INVERSE of memmove... write each byte before copying the next... + IM_ASSERT(stb__dout + length <= stb__barrier_out_e); + if (stb__dout + length > stb__barrier_out_e) { stb__dout += length; return; } + if (data < stb__barrier_out_b) { stb__dout = stb__barrier_out_e+1; return; } + while (length--) *stb__dout++ = *data++; +} + +static void stb__lit(const unsigned char *data, unsigned int length) +{ + IM_ASSERT(stb__dout + length <= stb__barrier_out_e); + if (stb__dout + length > stb__barrier_out_e) { stb__dout += length; return; } + if (data < stb__barrier_in_b) { stb__dout = stb__barrier_out_e+1; return; } + memcpy(stb__dout, data, length); + stb__dout += length; +} + +#define stb__in2(x) ((i[x] << 8) + i[(x)+1]) +#define stb__in3(x) ((i[x] << 16) + stb__in2((x)+1)) +#define stb__in4(x) ((i[x] << 24) + stb__in3((x)+1)) + +static const unsigned char *stb_decompress_token(const unsigned char *i) +{ + if (*i >= 0x20) { // use fewer if's for cases that expand small + if (*i >= 0x80) stb__match(stb__dout-i[1]-1, i[0] - 0x80 + 1), i += 2; + else if (*i >= 0x40) stb__match(stb__dout-(stb__in2(0) - 0x4000 + 1), i[2]+1), i += 3; + else /* *i >= 0x20 */ stb__lit(i+1, i[0] - 0x20 + 1), i += 1 + (i[0] - 0x20 + 1); + } else { // more ifs for cases that expand large, since overhead is amortized + if (*i >= 0x18) stb__match(stb__dout-(stb__in3(0) - 0x180000 + 1), i[3]+1), i += 4; + else if (*i >= 0x10) stb__match(stb__dout-(stb__in3(0) - 0x100000 + 1), stb__in2(3)+1), i += 5; + else if (*i >= 0x08) stb__lit(i+2, stb__in2(0) - 0x0800 + 1), i += 2 + (stb__in2(0) - 0x0800 + 1); + else if (*i == 0x07) stb__lit(i+3, stb__in2(1) + 1), i += 3 + (stb__in2(1) + 1); + else if (*i == 0x06) stb__match(stb__dout-(stb__in3(1)+1), i[4]+1), i += 5; + else if (*i == 0x04) stb__match(stb__dout-(stb__in3(1)+1), stb__in2(4)+1), i += 6; + } + return i; +} + +static unsigned int stb_adler32(unsigned int adler32, unsigned char *buffer, unsigned int buflen) +{ + const unsigned long ADLER_MOD = 65521; + unsigned long s1 = adler32 & 0xffff, s2 = adler32 >> 16; + unsigned long blocklen = buflen % 5552; + + unsigned long i; + while (buflen) { + for (i=0; i + 7 < blocklen; i += 8) { + s1 += buffer[0], s2 += s1; + s1 += buffer[1], s2 += s1; + s1 += buffer[2], s2 += s1; + s1 += buffer[3], s2 += s1; + s1 += buffer[4], s2 += s1; + s1 += buffer[5], s2 += s1; + s1 += buffer[6], s2 += s1; + s1 += buffer[7], s2 += s1; + + buffer += 8; + } + + for (; i < blocklen; ++i) + s1 += *buffer++, s2 += s1; + + s1 %= ADLER_MOD, s2 %= ADLER_MOD; + buflen -= blocklen; + blocklen = 5552; + } + return (unsigned int)(s2 << 16) + (unsigned int)s1; +} + +static unsigned int stb_decompress(unsigned char *output, const unsigned char *i, unsigned int /*length*/) +{ + if (stb__in4(0) != 0x57bC0000) return 0; + if (stb__in4(4) != 0) return 0; // error! stream is > 4GB + const unsigned int olen = stb_decompress_length(i); + stb__barrier_in_b = i; + stb__barrier_out_e = output + olen; + stb__barrier_out_b = output; + i += 16; + + stb__dout = output; + for (;;) { + const unsigned char *old_i = i; + i = stb_decompress_token(i); + if (i == old_i) { + if (*i == 0x05 && i[1] == 0xfa) { + IM_ASSERT(stb__dout == output + olen); + if (stb__dout != output + olen) return 0; + if (stb_adler32(1, output, olen) != (unsigned int) stb__in4(2)) + return 0; + return olen; + } else { + IM_ASSERT(0); /* NOTREACHED */ + return 0; + } + } + IM_ASSERT(stb__dout <= output + olen); + if (stb__dout > output + olen) + return 0; + } +} + +//----------------------------------------------------------------------------- +// [SECTION] Default font data (ProggyClean.ttf) +//----------------------------------------------------------------------------- +// ProggyClean.ttf +// Copyright (c) 2004, 2005 Tristan Grimmer +// MIT license (see License.txt in http://www.upperbounds.net/download/ProggyClean.ttf.zip) +// Download and more information at http://upperbounds.net +//----------------------------------------------------------------------------- +// File: 'ProggyClean.ttf' (41208 bytes) +// Exported using misc/fonts/binary_to_compressed_c.cpp (with compression + base85 string encoding). +// The purpose of encoding as base85 instead of "0x00,0x01,..." style is only save on _source code_ size. +//----------------------------------------------------------------------------- +static const char proggy_clean_ttf_compressed_data_base85[11980+1] = + "7])#######hV0qs'/###[),##/l:$#Q6>##5[n42>c-TH`->>#/e>11NNV=Bv(*:.F?uu#(gRU.o0XGH`$vhLG1hxt9?W`#,5LsCp#-i>.r$<$6pD>Lb';9Crc6tgXmKVeU2cD4Eo3R/" + "2*>]b(MC;$jPfY.;h^`IWM9Qo#t'X#(v#Y9w0#1D$CIf;W'#pWUPXOuxXuU(H9M(1=Ke$$'5F%)]0^#0X@U.a$FBjVQTSDgEKnIS7EM9>ZY9w0#L;>>#Mx&4Mvt//L[MkA#W@lK.N'[0#7RL_&#w+F%HtG9M#XL`N&.,GM4Pg;--VsM.M0rJfLH2eTM`*oJMHRC`N" + 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"w$)F./^n3+rlo+DB;5sIYGNk+i1t-69Jg--0pao7Sm#K)pdHW&;LuDNH@H>#/X-TI(;P>#,Gc>#0Su>#4`1?#8lC?#xL$#B.`$#F:r$#JF.%#NR@%#R_R%#Vke%#Zww%#_-4^Rh%Sflr-k'MS.o?.5/sWel/wpEM0%3'/1)K^f1-d>G21&v(35>V`39V7A4=onx4" + "A1OY5EI0;6Ibgr6M$HS7Q<)58C5w,;WoA*#[%T*#`1g*#d=#+#hI5+#lUG+#pbY+#tnl+#x$),#&1;,#*=M,#.I`,#2Ur,#6b.-#;w[H#iQtA#m^0B#qjBB#uvTB##-hB#'9$C#+E6C#" + "/QHC#3^ZC#7jmC#;v)D#?,)4kMYD4lVu`4m`:&5niUA5@(A5BA1]PBB:xlBCC=2CDLXMCEUtiCf&0g2'tN?PGT4CPGT4CPGT4CPGT4CPGT4CPGT4CPGT4CP" + "GT4CPGT4CPGT4CPGT4CPGT4CPGT4CP-qekC`.9kEg^+F$kwViFJTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5o,^<-28ZI'O?;xp" + "O?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xp;7q-#lLYI:xvD=#"; + +static const char* GetDefaultCompressedFontDataTTFBase85() +{ + return proggy_clean_ttf_compressed_data_base85; +} + +#endif // #ifndef IMGUI_DISABLE diff --git a/imgui-submodule/imgui/imgui_internal.h b/imgui-submodule/imgui/imgui_internal.h new file mode 100644 index 0000000..bb13be0 --- /dev/null +++ b/imgui-submodule/imgui/imgui_internal.h @@ -0,0 +1,1949 @@ +// dear imgui, v1.76 WIP +// (internal structures/api) + +// You may use this file to debug, understand or extend ImGui features but we don't provide any guarantee of forward compatibility! +// Set: +// #define IMGUI_DEFINE_MATH_OPERATORS +// To implement maths operators for ImVec2 (disabled by default to not collide with using IM_VEC2_CLASS_EXTRA along with your own math types+operators) + +/* + +Index of this file: +// Header mess +// Forward declarations +// STB libraries includes +// Context pointer +// Generic helpers +// Misc data structures +// Main imgui context +// Tab bar, tab item +// Internal API + +*/ + +#pragma once +#ifndef IMGUI_DISABLE + +//----------------------------------------------------------------------------- +// Header mess +//----------------------------------------------------------------------------- + +#ifndef IMGUI_VERSION +#error Must include imgui.h before imgui_internal.h +#endif + +#include // FILE*, sscanf +#include // NULL, malloc, free, qsort, atoi, atof +#include // sqrtf, fabsf, fmodf, powf, floorf, ceilf, cosf, sinf +#include // INT_MIN, INT_MAX + +// Visual Studio warnings +#ifdef _MSC_VER +#pragma warning (push) +#pragma warning (disable: 4251) // class 'xxx' needs to have dll-interface to be used by clients of struct 'xxx' // when IMGUI_API is set to__declspec(dllexport) +#endif + +// Clang/GCC warnings with -Weverything +#if defined(__clang__) +#pragma clang diagnostic push +#pragma clang diagnostic ignored "-Wunused-function" // for stb_textedit.h +#pragma clang diagnostic ignored "-Wmissing-prototypes" // for stb_textedit.h +#pragma clang diagnostic ignored "-Wold-style-cast" +#if __has_warning("-Wzero-as-null-pointer-constant") +#pragma clang diagnostic ignored "-Wzero-as-null-pointer-constant" +#endif +#if __has_warning("-Wdouble-promotion") +#pragma clang diagnostic ignored "-Wdouble-promotion" +#endif +#elif defined(__GNUC__) +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wpragmas" // warning: unknown option after '#pragma GCC diagnostic' kind +#pragma GCC diagnostic ignored "-Wclass-memaccess" // [__GNUC__ >= 8] warning: 'memset/memcpy' clearing/writing an object of type 'xxxx' with no trivial copy-assignment; use assignment or value-initialization instead +#endif + +// Legacy defines +#ifdef IMGUI_DISABLE_FORMAT_STRING_FUNCTIONS // Renamed in 1.74 +#error Use IMGUI_DISABLE_DEFAULT_FORMAT_FUNCTIONS +#endif +#ifdef IMGUI_DISABLE_MATH_FUNCTIONS // Renamed in 1.74 +#error Use IMGUI_DISABLE_DEFAULT_MATH_FUNCTIONS +#endif + +//----------------------------------------------------------------------------- +// Forward declarations +//----------------------------------------------------------------------------- + +struct ImBitVector; // Store 1-bit per value +struct ImRect; // An axis-aligned rectangle (2 points) +struct ImDrawDataBuilder; // Helper to build a ImDrawData instance +struct ImDrawListSharedData; // Data shared between all ImDrawList instances +struct ImGuiColorMod; // Stacked color modifier, backup of modified data so we can restore it +struct ImGuiColumnData; // Storage data for a single column +struct ImGuiColumns; // Storage data for a columns set +struct ImGuiContext; // Main Dear ImGui context +struct ImGuiDataTypeInfo; // Type information associated to a ImGuiDataType enum +struct ImGuiGroupData; // Stacked storage data for BeginGroup()/EndGroup() +struct ImGuiInputTextState; // Internal state of the currently focused/edited text input box +struct ImGuiItemHoveredDataBackup; // Backup and restore IsItemHovered() internal data +struct ImGuiMenuColumns; // Simple column measurement, currently used for MenuItem() only +struct ImGuiNavMoveResult; // Result of a directional navigation move query result +struct ImGuiNextWindowData; // Storage for SetNextWindow** functions +struct ImGuiNextItemData; // Storage for SetNextItem** functions +struct ImGuiPopupData; // Storage for current popup stack +struct ImGuiSettingsHandler; // Storage for one type registered in the .ini file +struct ImGuiStyleMod; // Stacked style modifier, backup of modified data so we can restore it +struct ImGuiTabBar; // Storage for a tab bar +struct ImGuiTabItem; // Storage for a tab item (within a tab bar) +struct ImGuiWindow; // Storage for one window +struct ImGuiWindowTempData; // Temporary storage for one window (that's the data which in theory we could ditch at the end of the frame) +struct ImGuiWindowSettings; // Storage for a window .ini settings (we keep one of those even if the actual window wasn't instanced during this session) + +// Use your programming IDE "Go to definition" facility on the names of the center columns to find the actual flags/enum lists. +typedef int ImGuiLayoutType; // -> enum ImGuiLayoutType_ // Enum: Horizontal or vertical +typedef int ImGuiButtonFlags; // -> enum ImGuiButtonFlags_ // Flags: for ButtonEx(), ButtonBehavior() +typedef int ImGuiColumnsFlags; // -> enum ImGuiColumnsFlags_ // Flags: BeginColumns() +typedef int ImGuiDragFlags; // -> enum ImGuiDragFlags_ // Flags: for DragBehavior() +typedef int ImGuiItemFlags; // -> enum ImGuiItemFlags_ // Flags: for PushItemFlag() +typedef int ImGuiItemStatusFlags; // -> enum ImGuiItemStatusFlags_ // Flags: for DC.LastItemStatusFlags +typedef int ImGuiNavHighlightFlags; // -> enum ImGuiNavHighlightFlags_ // Flags: for RenderNavHighlight() +typedef int ImGuiNavDirSourceFlags; // -> enum ImGuiNavDirSourceFlags_ // Flags: for GetNavInputAmount2d() +typedef int ImGuiNavMoveFlags; // -> enum ImGuiNavMoveFlags_ // Flags: for navigation requests +typedef int ImGuiNextItemDataFlags; // -> enum ImGuiNextItemDataFlags_ // Flags: for SetNextItemXXX() functions +typedef int ImGuiNextWindowDataFlags; // -> enum ImGuiNextWindowDataFlags_// Flags: for SetNextWindowXXX() functions +typedef int ImGuiSeparatorFlags; // -> enum ImGuiSeparatorFlags_ // Flags: for SeparatorEx() +typedef int ImGuiSliderFlags; // -> enum ImGuiSliderFlags_ // Flags: for SliderBehavior() +typedef int ImGuiTextFlags; // -> enum ImGuiTextFlags_ // Flags: for TextEx() +typedef int ImGuiTooltipFlags; // -> enum ImGuiTooltipFlags_ // Flags: for BeginTooltipEx() + +//------------------------------------------------------------------------- +// STB libraries includes +//------------------------------------------------------------------------- + +namespace ImStb +{ + +#undef STB_TEXTEDIT_STRING +#undef STB_TEXTEDIT_CHARTYPE +#define STB_TEXTEDIT_STRING ImGuiInputTextState +#define STB_TEXTEDIT_CHARTYPE ImWchar +#define STB_TEXTEDIT_GETWIDTH_NEWLINE -1.0f +#define STB_TEXTEDIT_UNDOSTATECOUNT 99 +#define STB_TEXTEDIT_UNDOCHARCOUNT 999 +#include "imstb_textedit.h" + +} // namespace ImStb + +//----------------------------------------------------------------------------- +// Context pointer +//----------------------------------------------------------------------------- + +#ifndef GImGui +extern IMGUI_API ImGuiContext* GImGui; // Current implicit context pointer +#endif + +//----------------------------------------------------------------------------- +// Macros +//----------------------------------------------------------------------------- + +// Debug Logging +#ifndef IMGUI_DEBUG_LOG +#define IMGUI_DEBUG_LOG(_FMT,...) printf("[%05d] " _FMT, GImGui->FrameCount, __VA_ARGS__) +#endif + +// Static Asserts +#if (__cplusplus >= 201100) +#define IM_STATIC_ASSERT(_COND) static_assert(_COND, "") +#else +#define IM_STATIC_ASSERT(_COND) typedef char static_assertion_##__line__[(_COND)?1:-1] +#endif + +// "Paranoid" Debug Asserts are meant to only be enabled during specific debugging/work, otherwise would slow down the code too much. +// We currently don't have many of those so the effect is currently negligible, but onward intent to add more aggressive ones in the code. +//#define IMGUI_DEBUG_PARANOID +#ifdef IMGUI_DEBUG_PARANOID +#define IM_ASSERT_PARANOID(_EXPR) IM_ASSERT(_EXPR) +#else +#define IM_ASSERT_PARANOID(_EXPR) +#endif + +// Error handling +// Down the line in some frameworks/languages we would like to have a way to redirect those to the programmer and recover from more faults. +#ifndef IM_ASSERT_USER_ERROR +#define IM_ASSERT_USER_ERROR(_EXP,_MSG) IM_ASSERT((_EXP) && _MSG) // Recoverable User Error +#endif + +// Misc Macros +#define IM_PI 3.14159265358979323846f +#ifdef _WIN32 +#define IM_NEWLINE "\r\n" // Play it nice with Windows users (Update: since 2018-05, Notepad finally appears to support Unix-style carriage returns!) +#else +#define IM_NEWLINE "\n" +#endif +#define IM_TABSIZE (4) +#define IM_F32_TO_INT8_UNBOUND(_VAL) ((int)((_VAL) * 255.0f + ((_VAL)>=0 ? 0.5f : -0.5f))) // Unsaturated, for display purpose +#define IM_F32_TO_INT8_SAT(_VAL) ((int)(ImSaturate(_VAL) * 255.0f + 0.5f)) // Saturated, always output 0..255 +#define IM_FLOOR(_VAL) ((float)(int)(_VAL)) // ImFloor() is not inlined in MSVC debug builds +#define IM_ROUND(_VAL) ((float)(int)((_VAL) + 0.5f)) // + +// Enforce cdecl calling convention for functions called by the standard library, in case compilation settings changed the default to e.g. __vectorcall +#ifdef _MSC_VER +#define IMGUI_CDECL __cdecl +#else +#define IMGUI_CDECL +#endif + +//----------------------------------------------------------------------------- +// Generic helpers +// Note that the ImXXX helpers functions are lower-level than ImGui functions. +// ImGui functions or the ImGui context are never called/used from other ImXXX functions. +//----------------------------------------------------------------------------- +// - Helpers: Misc +// - Helpers: Bit manipulation +// - Helpers: String, Formatting +// - Helpers: UTF-8 <> wchar conversions +// - Helpers: ImVec2/ImVec4 operators +// - Helpers: Maths +// - Helpers: Geometry +// - Helpers: Bit arrays +// - Helper: ImBitVector +// - Helper: ImPool<> +// - Helper: ImChunkStream<> +//----------------------------------------------------------------------------- + +// Helpers: Misc +#define ImQsort qsort +IMGUI_API ImU32 ImHashData(const void* data, size_t data_size, ImU32 seed = 0); +IMGUI_API ImU32 ImHashStr(const char* data, size_t data_size = 0, ImU32 seed = 0); +#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS +static inline ImU32 ImHash(const void* data, int size, ImU32 seed = 0) { return size ? ImHashData(data, (size_t)size, seed) : ImHashStr((const char*)data, 0, seed); } // [moved to ImHashStr/ImHashData in 1.68] +#endif + +// Helpers: Color Blending +IMGUI_API ImU32 ImAlphaBlendColors(ImU32 col_a, ImU32 col_b); + +// Helpers: Bit manipulation +static inline bool ImIsPowerOfTwo(int v) { return v != 0 && (v & (v - 1)) == 0; } +static inline int ImUpperPowerOfTwo(int v) { v--; v |= v >> 1; v |= v >> 2; v |= v >> 4; v |= v >> 8; v |= v >> 16; v++; return v; } + +// Helpers: String, Formatting +IMGUI_API int ImStricmp(const char* str1, const char* str2); +IMGUI_API int ImStrnicmp(const char* str1, const char* str2, size_t count); +IMGUI_API void ImStrncpy(char* dst, const char* src, size_t count); +IMGUI_API char* ImStrdup(const char* str); +IMGUI_API char* ImStrdupcpy(char* dst, size_t* p_dst_size, const char* str); +IMGUI_API const char* ImStrchrRange(const char* str_begin, const char* str_end, char c); +IMGUI_API int ImStrlenW(const ImWchar* str); +IMGUI_API const char* ImStreolRange(const char* str, const char* str_end); // End end-of-line +IMGUI_API const ImWchar*ImStrbolW(const ImWchar* buf_mid_line, const ImWchar* buf_begin); // Find beginning-of-line +IMGUI_API const char* ImStristr(const char* haystack, const char* haystack_end, const char* needle, const char* needle_end); +IMGUI_API void ImStrTrimBlanks(char* str); +IMGUI_API const char* ImStrSkipBlank(const char* str); +IMGUI_API int ImFormatString(char* buf, size_t buf_size, const char* fmt, ...) IM_FMTARGS(3); +IMGUI_API int ImFormatStringV(char* buf, size_t buf_size, const char* fmt, va_list args) IM_FMTLIST(3); +IMGUI_API const char* ImParseFormatFindStart(const char* format); +IMGUI_API const char* ImParseFormatFindEnd(const char* format); +IMGUI_API const char* ImParseFormatTrimDecorations(const char* format, char* buf, size_t buf_size); +IMGUI_API int ImParseFormatPrecision(const char* format, int default_value); +static inline bool ImCharIsBlankA(char c) { return c == ' ' || c == '\t'; } +static inline bool ImCharIsBlankW(unsigned int c) { return c == ' ' || c == '\t' || c == 0x3000; } + +// Helpers: UTF-8 <> wchar conversions +IMGUI_API int ImTextStrToUtf8(char* buf, int buf_size, const ImWchar* in_text, const ImWchar* in_text_end); // return output UTF-8 bytes count +IMGUI_API int ImTextCharFromUtf8(unsigned int* out_char, const char* in_text, const char* in_text_end); // read one character. return input UTF-8 bytes count +IMGUI_API int ImTextStrFromUtf8(ImWchar* buf, int buf_size, const char* in_text, const char* in_text_end, const char** in_remaining = NULL); // return input UTF-8 bytes count +IMGUI_API int ImTextCountCharsFromUtf8(const char* in_text, const char* in_text_end); // return number of UTF-8 code-points (NOT bytes count) +IMGUI_API int ImTextCountUtf8BytesFromChar(const char* in_text, const char* in_text_end); // return number of bytes to express one char in UTF-8 +IMGUI_API int ImTextCountUtf8BytesFromStr(const ImWchar* in_text, const ImWchar* in_text_end); // return number of bytes to express string in UTF-8 + +// Helpers: ImVec2/ImVec4 operators +// We are keeping those disabled by default so they don't leak in user space, to allow user enabling implicit cast operators between ImVec2 and their own types (using IM_VEC2_CLASS_EXTRA etc.) +// We unfortunately don't have a unary- operator for ImVec2 because this would needs to be defined inside the class itself. +#ifdef IMGUI_DEFINE_MATH_OPERATORS +static inline ImVec2 operator*(const ImVec2& lhs, const float rhs) { return ImVec2(lhs.x*rhs, lhs.y*rhs); } +static inline ImVec2 operator/(const ImVec2& lhs, const float rhs) { return ImVec2(lhs.x/rhs, lhs.y/rhs); } +static inline ImVec2 operator+(const ImVec2& lhs, const ImVec2& rhs) { return ImVec2(lhs.x+rhs.x, lhs.y+rhs.y); } +static inline ImVec2 operator-(const ImVec2& lhs, const ImVec2& rhs) { return ImVec2(lhs.x-rhs.x, lhs.y-rhs.y); } +static inline ImVec2 operator*(const ImVec2& lhs, const ImVec2& rhs) { return ImVec2(lhs.x*rhs.x, lhs.y*rhs.y); } +static inline ImVec2 operator/(const ImVec2& lhs, const ImVec2& rhs) { return ImVec2(lhs.x/rhs.x, lhs.y/rhs.y); } +static inline ImVec2& operator*=(ImVec2& lhs, const float rhs) { lhs.x *= rhs; lhs.y *= rhs; return lhs; } +static inline ImVec2& operator/=(ImVec2& lhs, const float rhs) { lhs.x /= rhs; lhs.y /= rhs; return lhs; } +static inline ImVec2& operator+=(ImVec2& lhs, const ImVec2& rhs) { lhs.x += rhs.x; lhs.y += rhs.y; return lhs; } +static inline ImVec2& operator-=(ImVec2& lhs, const ImVec2& rhs) { lhs.x -= rhs.x; lhs.y -= rhs.y; return lhs; } +static inline ImVec2& operator*=(ImVec2& lhs, const ImVec2& rhs) { lhs.x *= rhs.x; lhs.y *= rhs.y; return lhs; } +static inline ImVec2& operator/=(ImVec2& lhs, const ImVec2& rhs) { lhs.x /= rhs.x; lhs.y /= rhs.y; return lhs; } +static inline ImVec4 operator+(const ImVec4& lhs, const ImVec4& rhs) { return ImVec4(lhs.x+rhs.x, lhs.y+rhs.y, lhs.z+rhs.z, lhs.w+rhs.w); } +static inline ImVec4 operator-(const ImVec4& lhs, const ImVec4& rhs) { return ImVec4(lhs.x-rhs.x, lhs.y-rhs.y, lhs.z-rhs.z, lhs.w-rhs.w); } +static inline ImVec4 operator*(const ImVec4& lhs, const ImVec4& rhs) { return ImVec4(lhs.x*rhs.x, lhs.y*rhs.y, lhs.z*rhs.z, lhs.w*rhs.w); } +#endif + +// Helpers: File System +#ifdef IMGUI_DISABLE_FILE_FUNCTIONS +#define IMGUI_DISABLE_DEFAULT_FILE_FUNCTIONS +typedef void* ImFileHandle; +static inline ImFileHandle ImFileOpen(const char*, const char*) { return NULL; } +static inline bool ImFileClose(ImFileHandle) { return false; } +static inline ImU64 ImFileGetSize(ImFileHandle) { return (ImU64)-1; } +static inline ImU64 ImFileRead(void*, ImU64, ImU64, ImFileHandle) { return 0; } +static inline ImU64 ImFileWrite(const void*, ImU64, ImU64, ImFileHandle) { return 0; } +#endif + +#ifndef IMGUI_DISABLE_DEFAULT_FILE_FUNCTIONS +typedef FILE* ImFileHandle; +IMGUI_API ImFileHandle ImFileOpen(const char* filename, const char* mode); +IMGUI_API bool ImFileClose(ImFileHandle file); +IMGUI_API ImU64 ImFileGetSize(ImFileHandle file); +IMGUI_API ImU64 ImFileRead(void* data, ImU64 size, ImU64 count, ImFileHandle file); +IMGUI_API ImU64 ImFileWrite(const void* data, ImU64 size, ImU64 count, ImFileHandle file); +#else +#define IMGUI_DISABLE_TTY_FUNCTIONS // Can't use stdout, fflush if we are not using default file functions +#endif +IMGUI_API void* ImFileLoadToMemory(const char* filename, const char* mode, size_t* out_file_size = NULL, int padding_bytes = 0); + +// Helpers: Maths +// - Wrapper for standard libs functions. (Note that imgui_demo.cpp does _not_ use them to keep the code easy to copy) +#ifndef IMGUI_DISABLE_DEFAULT_MATH_FUNCTIONS +#define ImFabs(X) fabsf(X) +#define ImSqrt(X) sqrtf(X) +#define ImFmod(X, Y) fmodf((X), (Y)) +#define ImCos(X) cosf(X) +#define ImSin(X) sinf(X) +#define ImAcos(X) acosf(X) +#define ImAtan2(Y, X) atan2f((Y), (X)) +#define ImAtof(STR) atof(STR) +#define ImFloorStd(X) floorf(X) // We already uses our own ImFloor() { return (float)(int)v } internally so the standard one wrapper is named differently (it's used by e.g. stb_truetype) +#define ImCeil(X) ceilf(X) +static inline float ImPow(float x, float y) { return powf(x, y); } // DragBehaviorT/SliderBehaviorT uses ImPow with either float/double and need the precision +static inline double ImPow(double x, double y) { return pow(x, y); } +#endif +// - ImMin/ImMax/ImClamp/ImLerp/ImSwap are used by widgets which support variety of types: signed/unsigned int/long long float/double +// (Exceptionally using templates here but we could also redefine them for those types) +template static inline T ImMin(T lhs, T rhs) { return lhs < rhs ? lhs : rhs; } +template static inline T ImMax(T lhs, T rhs) { return lhs >= rhs ? lhs : rhs; } +template static inline T ImClamp(T v, T mn, T mx) { return (v < mn) ? mn : (v > mx) ? mx : v; } +template static inline T ImLerp(T a, T b, float t) { return (T)(a + (b - a) * t); } +template static inline void ImSwap(T& a, T& b) { T tmp = a; a = b; b = tmp; } +template static inline T ImAddClampOverflow(T a, T b, T mn, T mx) { if (b < 0 && (a < mn - b)) return mn; if (b > 0 && (a > mx - b)) return mx; return a + b; } +template static inline T ImSubClampOverflow(T a, T b, T mn, T mx) { if (b > 0 && (a < mn + b)) return mn; if (b < 0 && (a > mx + b)) return mx; return a - b; } +// - Misc maths helpers +static inline ImVec2 ImMin(const ImVec2& lhs, const ImVec2& rhs) { return ImVec2(lhs.x < rhs.x ? lhs.x : rhs.x, lhs.y < rhs.y ? lhs.y : rhs.y); } +static inline ImVec2 ImMax(const ImVec2& lhs, const ImVec2& rhs) { return ImVec2(lhs.x >= rhs.x ? lhs.x : rhs.x, lhs.y >= rhs.y ? lhs.y : rhs.y); } +static inline ImVec2 ImClamp(const ImVec2& v, const ImVec2& mn, ImVec2 mx) { return ImVec2((v.x < mn.x) ? mn.x : (v.x > mx.x) ? mx.x : v.x, (v.y < mn.y) ? mn.y : (v.y > mx.y) ? mx.y : v.y); } +static inline ImVec2 ImLerp(const ImVec2& a, const ImVec2& b, float t) { return ImVec2(a.x + (b.x - a.x) * t, a.y + (b.y - a.y) * t); } +static inline ImVec2 ImLerp(const ImVec2& a, const ImVec2& b, const ImVec2& t) { return ImVec2(a.x + (b.x - a.x) * t.x, a.y + (b.y - a.y) * t.y); } +static inline ImVec4 ImLerp(const ImVec4& a, const ImVec4& b, float t) { return ImVec4(a.x + (b.x - a.x) * t, a.y + (b.y - a.y) * t, a.z + (b.z - a.z) * t, a.w + (b.w - a.w) * t); } +static inline float ImSaturate(float f) { return (f < 0.0f) ? 0.0f : (f > 1.0f) ? 1.0f : f; } +static inline float ImLengthSqr(const ImVec2& lhs) { return lhs.x*lhs.x + lhs.y*lhs.y; } +static inline float ImLengthSqr(const ImVec4& lhs) { return lhs.x*lhs.x + lhs.y*lhs.y + lhs.z*lhs.z + lhs.w*lhs.w; } +static inline float ImInvLength(const ImVec2& lhs, float fail_value) { float d = lhs.x*lhs.x + lhs.y*lhs.y; if (d > 0.0f) return 1.0f / ImSqrt(d); return fail_value; } +static inline float ImFloor(float f) { return (float)(int)(f); } +static inline ImVec2 ImFloor(const ImVec2& v) { return ImVec2((float)(int)(v.x), (float)(int)(v.y)); } +static inline int ImModPositive(int a, int b) { return (a + b) % b; } +static inline float ImDot(const ImVec2& a, const ImVec2& b) { return a.x * b.x + a.y * b.y; } +static inline ImVec2 ImRotate(const ImVec2& v, float cos_a, float sin_a) { return ImVec2(v.x * cos_a - v.y * sin_a, v.x * sin_a + v.y * cos_a); } +static inline float ImLinearSweep(float current, float target, float speed) { if (current < target) return ImMin(current + speed, target); if (current > target) return ImMax(current - speed, target); return current; } +static inline ImVec2 ImMul(const ImVec2& lhs, const ImVec2& rhs) { return ImVec2(lhs.x * rhs.x, lhs.y * rhs.y); } + +// Helpers: Geometry +IMGUI_API ImVec2 ImBezierCalc(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, float t); // Cubic Bezier +IMGUI_API ImVec2 ImBezierClosestPoint(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, const ImVec2& p, int num_segments); // For curves with explicit number of segments +IMGUI_API ImVec2 ImBezierClosestPointCasteljau(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, const ImVec2& p, float tess_tol);// For auto-tessellated curves you can use tess_tol = style.CurveTessellationTol +IMGUI_API ImVec2 ImLineClosestPoint(const ImVec2& a, const ImVec2& b, const ImVec2& p); +IMGUI_API bool ImTriangleContainsPoint(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& p); +IMGUI_API ImVec2 ImTriangleClosestPoint(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& p); +IMGUI_API void ImTriangleBarycentricCoords(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& p, float& out_u, float& out_v, float& out_w); +inline float ImTriangleArea(const ImVec2& a, const ImVec2& b, const ImVec2& c) { return ImFabs((a.x * (b.y - c.y)) + (b.x * (c.y - a.y)) + (c.x * (a.y - b.y))) * 0.5f; } +IMGUI_API ImGuiDir ImGetDirQuadrantFromDelta(float dx, float dy); + +// Helpers: Bit arrays +inline bool ImBitArrayTestBit(const ImU32* arr, int n) { ImU32 mask = (ImU32)1 << (n & 31); return (arr[n >> 5] & mask) != 0; } +inline void ImBitArrayClearBit(ImU32* arr, int n) { ImU32 mask = (ImU32)1 << (n & 31); arr[n >> 5] &= ~mask; } +inline void ImBitArraySetBit(ImU32* arr, int n) { ImU32 mask = (ImU32)1 << (n & 31); arr[n >> 5] |= mask; } +inline void ImBitArraySetBitRange(ImU32* arr, int n, int n2) +{ + while (n <= n2) + { + int a_mod = (n & 31); + int b_mod = ((n2 >= n + 31) ? 31 : (n2 & 31)) + 1; + ImU32 mask = (ImU32)(((ImU64)1 << b_mod) - 1) & ~(ImU32)(((ImU64)1 << a_mod) - 1); + arr[n >> 5] |= mask; + n = (n + 32) & ~31; + } +} + +// Helper: ImBitVector +// Store 1-bit per value. +struct IMGUI_API ImBitVector +{ + ImVector Storage; + void Create(int sz) { Storage.resize((sz + 31) >> 5); memset(Storage.Data, 0, (size_t)Storage.Size * sizeof(Storage.Data[0])); } + void Clear() { Storage.clear(); } + bool TestBit(int n) const { IM_ASSERT(n < (Storage.Size << 5)); return ImBitArrayTestBit(Storage.Data, n); } + void SetBit(int n) { IM_ASSERT(n < (Storage.Size << 5)); ImBitArraySetBit(Storage.Data, n); } + void ClearBit(int n) { IM_ASSERT(n < (Storage.Size << 5)); ImBitArrayClearBit(Storage.Data, n); } +}; + +// Helper: ImPool<> +// Basic keyed storage for contiguous instances, slow/amortized insertion, O(1) indexable, O(Log N) queries by ID over a dense/hot buffer, +// Honor constructor/destructor. Add/remove invalidate all pointers. Indexes have the same lifetime as the associated object. +typedef int ImPoolIdx; +template +struct IMGUI_API ImPool +{ + ImVector Buf; // Contiguous data + ImGuiStorage Map; // ID->Index + ImPoolIdx FreeIdx; // Next free idx to use + + ImPool() { FreeIdx = 0; } + ~ImPool() { Clear(); } + T* GetByKey(ImGuiID key) { int idx = Map.GetInt(key, -1); return (idx != -1) ? &Buf[idx] : NULL; } + T* GetByIndex(ImPoolIdx n) { return &Buf[n]; } + ImPoolIdx GetIndex(const T* p) const { IM_ASSERT(p >= Buf.Data && p < Buf.Data + Buf.Size); return (ImPoolIdx)(p - Buf.Data); } + T* GetOrAddByKey(ImGuiID key) { int* p_idx = Map.GetIntRef(key, -1); if (*p_idx != -1) return &Buf[*p_idx]; *p_idx = FreeIdx; return Add(); } + bool Contains(const T* p) const { return (p >= Buf.Data && p < Buf.Data + Buf.Size); } + void Clear() { for (int n = 0; n < Map.Data.Size; n++) { int idx = Map.Data[n].val_i; if (idx != -1) Buf[idx].~T(); } Map.Clear(); Buf.clear(); FreeIdx = 0; } + T* Add() { int idx = FreeIdx; if (idx == Buf.Size) { Buf.resize(Buf.Size + 1); FreeIdx++; } else { FreeIdx = *(int*)&Buf[idx]; } IM_PLACEMENT_NEW(&Buf[idx]) T(); return &Buf[idx]; } + void Remove(ImGuiID key, const T* p) { Remove(key, GetIndex(p)); } + void Remove(ImGuiID key, ImPoolIdx idx) { Buf[idx].~T(); *(int*)&Buf[idx] = FreeIdx; FreeIdx = idx; Map.SetInt(key, -1); } + void Reserve(int capacity) { Buf.reserve(capacity); Map.Data.reserve(capacity); } + int GetSize() const { return Buf.Size; } +}; + +// Helper: ImChunkStream<> +// Build and iterate a contiguous stream of variable-sized structures. +// This is used by Settings to store persistent data while reducing allocation count. +// We store the chunk size first, and align the final size on 4 bytes boundaries (this what the '(X + 3) & ~3' statement is for) +// The tedious/zealous amount of casting is to avoid -Wcast-align warnings. +template +struct IMGUI_API ImChunkStream +{ + ImVector Buf; + + void clear() { Buf.clear(); } + bool empty() const { return Buf.Size == 0; } + int size() const { return Buf.Size; } + T* alloc_chunk(size_t sz) { size_t HDR_SZ = 4; sz = ((HDR_SZ + sz) + 3u) & ~3u; int off = Buf.Size; Buf.resize(off + (int)sz); ((int*)(void*)(Buf.Data + off))[0] = (int)sz; return (T*)(void*)(Buf.Data + off + (int)HDR_SZ); } + T* begin() { size_t HDR_SZ = 4; if (!Buf.Data) return NULL; return (T*)(void*)(Buf.Data + HDR_SZ); } + T* next_chunk(T* p) { size_t HDR_SZ = 4; IM_ASSERT(p >= begin() && p < end()); p = (T*)(void*)((char*)(void*)p + chunk_size(p)); if (p == (T*)(void*)((char*)end() + HDR_SZ)) return (T*)0; IM_ASSERT(p < end()); return p; } + int chunk_size(const T* p) { return ((const int*)p)[-1]; } + T* end() { return (T*)(void*)(Buf.Data + Buf.Size); } + int offset_from_ptr(const T* p) { IM_ASSERT(p >= begin() && p < end()); const ptrdiff_t off = (const char*)p - Buf.Data; return (int)off; } + T* ptr_from_offset(int off) { IM_ASSERT(off >= 4 && off < Buf.Size); return (T*)(void*)(Buf.Data + off); } +}; + +//----------------------------------------------------------------------------- +// Misc data structures +//----------------------------------------------------------------------------- + +enum ImGuiButtonFlags_ +{ + ImGuiButtonFlags_None = 0, + ImGuiButtonFlags_Repeat = 1 << 0, // hold to repeat + ImGuiButtonFlags_PressedOnClick = 1 << 1, // return true on click (mouse down event) + ImGuiButtonFlags_PressedOnClickRelease = 1 << 2, // [Default] return true on click + release on same item <-- this is what the majority of Button are using + ImGuiButtonFlags_PressedOnClickReleaseAnywhere = 1 << 3, // return true on click + release even if the release event is not done while hovering the item + ImGuiButtonFlags_PressedOnRelease = 1 << 4, // return true on release (default requires click+release) + ImGuiButtonFlags_PressedOnDoubleClick = 1 << 5, // return true on double-click (default requires click+release) + ImGuiButtonFlags_PressedOnDragDropHold = 1 << 6, // return true when held into while we are drag and dropping another item (used by e.g. tree nodes, collapsing headers) + ImGuiButtonFlags_FlattenChildren = 1 << 7, // allow interactions even if a child window is overlapping + ImGuiButtonFlags_AllowItemOverlap = 1 << 8, // require previous frame HoveredId to either match id or be null before being usable, use along with SetItemAllowOverlap() + ImGuiButtonFlags_DontClosePopups = 1 << 9, // disable automatically closing parent popup on press // [UNUSED] + ImGuiButtonFlags_Disabled = 1 << 10, // disable interactions + ImGuiButtonFlags_AlignTextBaseLine = 1 << 11, // vertically align button to match text baseline - ButtonEx() only // FIXME: Should be removed and handled by SmallButton(), not possible currently because of DC.CursorPosPrevLine + ImGuiButtonFlags_NoKeyModifiers = 1 << 12, // disable mouse interaction if a key modifier is held + ImGuiButtonFlags_NoHoldingActiveId = 1 << 13, // don't set ActiveId while holding the mouse (ImGuiButtonFlags_PressedOnClick only) + ImGuiButtonFlags_NoNavFocus = 1 << 14, // don't override navigation focus when activated + ImGuiButtonFlags_NoHoveredOnFocus = 1 << 15, // don't report as hovered when nav focus is on this item + ImGuiButtonFlags_MouseButtonLeft = 1 << 16, // [Default] react on left mouse button + ImGuiButtonFlags_MouseButtonRight = 1 << 17, // react on right mouse button + ImGuiButtonFlags_MouseButtonMiddle = 1 << 18, // react on center mouse button + + ImGuiButtonFlags_MouseButtonMask_ = ImGuiButtonFlags_MouseButtonLeft | ImGuiButtonFlags_MouseButtonRight | ImGuiButtonFlags_MouseButtonMiddle, + ImGuiButtonFlags_MouseButtonShift_ = 16, + ImGuiButtonFlags_MouseButtonDefault_ = ImGuiButtonFlags_MouseButtonLeft, + ImGuiButtonFlags_PressedOnMask_ = ImGuiButtonFlags_PressedOnClick | ImGuiButtonFlags_PressedOnClickRelease | ImGuiButtonFlags_PressedOnClickReleaseAnywhere | ImGuiButtonFlags_PressedOnRelease | ImGuiButtonFlags_PressedOnDoubleClick | ImGuiButtonFlags_PressedOnDragDropHold, + ImGuiButtonFlags_PressedOnDefault_ = ImGuiButtonFlags_PressedOnClickRelease +}; + +enum ImGuiSliderFlags_ +{ + ImGuiSliderFlags_None = 0, + ImGuiSliderFlags_Vertical = 1 << 0 +}; + +enum ImGuiDragFlags_ +{ + ImGuiDragFlags_None = 0, + ImGuiDragFlags_Vertical = 1 << 0 +}; + +enum ImGuiColumnsFlags_ +{ + // Default: 0 + ImGuiColumnsFlags_None = 0, + ImGuiColumnsFlags_NoBorder = 1 << 0, // Disable column dividers + ImGuiColumnsFlags_NoResize = 1 << 1, // Disable resizing columns when clicking on the dividers + ImGuiColumnsFlags_NoPreserveWidths = 1 << 2, // Disable column width preservation when adjusting columns + ImGuiColumnsFlags_NoForceWithinWindow = 1 << 3, // Disable forcing columns to fit within window + ImGuiColumnsFlags_GrowParentContentsSize= 1 << 4 // (WIP) Restore pre-1.51 behavior of extending the parent window contents size but _without affecting the columns width at all_. Will eventually remove. +}; + +// Extend ImGuiSelectableFlags_ +enum ImGuiSelectableFlagsPrivate_ +{ + // NB: need to be in sync with last value of ImGuiSelectableFlags_ + ImGuiSelectableFlags_NoHoldingActiveID = 1 << 20, + ImGuiSelectableFlags_SelectOnClick = 1 << 21, // Override button behavior to react on Click (default is Click+Release) + ImGuiSelectableFlags_SelectOnRelease = 1 << 22, // Override button behavior to react on Release (default is Click+Release) + ImGuiSelectableFlags_DrawFillAvailWidth = 1 << 23, // FIXME: We may be able to remove this (added in 6251d379 for menus) + ImGuiSelectableFlags_DrawHoveredWhenHeld= 1 << 24, // Always show active when held, even is not hovered. This concept could probably be renamed/formalized somehow. + ImGuiSelectableFlags_SetNavIdOnHover = 1 << 25 +}; + +// Extend ImGuiTreeNodeFlags_ +enum ImGuiTreeNodeFlagsPrivate_ +{ + ImGuiTreeNodeFlags_ClipLabelForTrailingButton = 1 << 20 +}; + +enum ImGuiSeparatorFlags_ +{ + ImGuiSeparatorFlags_None = 0, + ImGuiSeparatorFlags_Horizontal = 1 << 0, // Axis default to current layout type, so generally Horizontal unless e.g. in a menu bar + ImGuiSeparatorFlags_Vertical = 1 << 1, + ImGuiSeparatorFlags_SpanAllColumns = 1 << 2 +}; + +// Transient per-window flags, reset at the beginning of the frame. For child window, inherited from parent on first Begin(). +// This is going to be exposed in imgui.h when stabilized enough. +enum ImGuiItemFlags_ +{ + ImGuiItemFlags_None = 0, + ImGuiItemFlags_NoTabStop = 1 << 0, // false + ImGuiItemFlags_ButtonRepeat = 1 << 1, // false // Button() will return true multiple times based on io.KeyRepeatDelay and io.KeyRepeatRate settings. + ImGuiItemFlags_Disabled = 1 << 2, // false // [BETA] Disable interactions but doesn't affect visuals yet. See github.com/ocornut/imgui/issues/211 + ImGuiItemFlags_NoNav = 1 << 3, // false + ImGuiItemFlags_NoNavDefaultFocus = 1 << 4, // false + ImGuiItemFlags_SelectableDontClosePopup = 1 << 5, // false // MenuItem/Selectable() automatically closes current Popup window + ImGuiItemFlags_MixedValue = 1 << 6, // false // [BETA] Represent a mixed/indeterminate value, generally multi-selection where values differ. Currently only supported by Checkbox() (later should support all sorts of widgets) + ImGuiItemFlags_Default_ = 0 +}; + +// Storage for LastItem data +enum ImGuiItemStatusFlags_ +{ + ImGuiItemStatusFlags_None = 0, + ImGuiItemStatusFlags_HoveredRect = 1 << 0, + ImGuiItemStatusFlags_HasDisplayRect = 1 << 1, + ImGuiItemStatusFlags_Edited = 1 << 2, // Value exposed by item was edited in the current frame (should match the bool return value of most widgets) + ImGuiItemStatusFlags_ToggledSelection = 1 << 3, // Set when Selectable(), TreeNode() reports toggling a selection. We can't report "Selected" because reporting the change allows us to handle clipping with less issues. + ImGuiItemStatusFlags_ToggledOpen = 1 << 4, // Set when TreeNode() reports toggling their open state. + ImGuiItemStatusFlags_HasDeactivated = 1 << 5, // Set if the widget/group is able to provide data for the ImGuiItemStatusFlags_Deactivated flag. + ImGuiItemStatusFlags_Deactivated = 1 << 6 // Only valid if ImGuiItemStatusFlags_HasDeactivated is set. + +#ifdef IMGUI_ENABLE_TEST_ENGINE + , // [imgui_tests only] + ImGuiItemStatusFlags_Openable = 1 << 10, // + ImGuiItemStatusFlags_Opened = 1 << 11, // + ImGuiItemStatusFlags_Checkable = 1 << 12, // + ImGuiItemStatusFlags_Checked = 1 << 13 // +#endif +}; + +enum ImGuiTextFlags_ +{ + ImGuiTextFlags_None = 0, + ImGuiTextFlags_NoWidthForLargeClippedText = 1 << 0 +}; + +enum ImGuiTooltipFlags_ +{ + ImGuiTooltipFlags_None = 0, + ImGuiTooltipFlags_OverridePreviousTooltip = 1 << 0 // Override will clear/ignore previously submitted tooltip (defaults to append) +}; + +// FIXME: this is in development, not exposed/functional as a generic feature yet. +// Horizontal/Vertical enums are fixed to 0/1 so they may be used to index ImVec2 +enum ImGuiLayoutType_ +{ + ImGuiLayoutType_Horizontal = 0, + ImGuiLayoutType_Vertical = 1 +}; + +enum ImGuiLogType +{ + ImGuiLogType_None = 0, + ImGuiLogType_TTY, + ImGuiLogType_File, + ImGuiLogType_Buffer, + ImGuiLogType_Clipboard +}; + +// X/Y enums are fixed to 0/1 so they may be used to index ImVec2 +enum ImGuiAxis +{ + ImGuiAxis_None = -1, + ImGuiAxis_X = 0, + ImGuiAxis_Y = 1 +}; + +enum ImGuiPlotType +{ + ImGuiPlotType_Lines, + ImGuiPlotType_Histogram +}; + +enum ImGuiInputSource +{ + ImGuiInputSource_None = 0, + ImGuiInputSource_Mouse, + ImGuiInputSource_Nav, + ImGuiInputSource_NavKeyboard, // Only used occasionally for storage, not tested/handled by most code + ImGuiInputSource_NavGamepad, // " + ImGuiInputSource_COUNT +}; + +// FIXME-NAV: Clarify/expose various repeat delay/rate +enum ImGuiInputReadMode +{ + ImGuiInputReadMode_Down, + ImGuiInputReadMode_Pressed, + ImGuiInputReadMode_Released, + ImGuiInputReadMode_Repeat, + ImGuiInputReadMode_RepeatSlow, + ImGuiInputReadMode_RepeatFast +}; + +enum ImGuiNavHighlightFlags_ +{ + ImGuiNavHighlightFlags_None = 0, + ImGuiNavHighlightFlags_TypeDefault = 1 << 0, + ImGuiNavHighlightFlags_TypeThin = 1 << 1, + ImGuiNavHighlightFlags_AlwaysDraw = 1 << 2, // Draw rectangular highlight if (g.NavId == id) _even_ when using the mouse. + ImGuiNavHighlightFlags_NoRounding = 1 << 3 +}; + +enum ImGuiNavDirSourceFlags_ +{ + ImGuiNavDirSourceFlags_None = 0, + ImGuiNavDirSourceFlags_Keyboard = 1 << 0, + ImGuiNavDirSourceFlags_PadDPad = 1 << 1, + ImGuiNavDirSourceFlags_PadLStick = 1 << 2 +}; + +enum ImGuiNavMoveFlags_ +{ + ImGuiNavMoveFlags_None = 0, + ImGuiNavMoveFlags_LoopX = 1 << 0, // On failed request, restart from opposite side + ImGuiNavMoveFlags_LoopY = 1 << 1, + ImGuiNavMoveFlags_WrapX = 1 << 2, // On failed request, request from opposite side one line down (when NavDir==right) or one line up (when NavDir==left) + ImGuiNavMoveFlags_WrapY = 1 << 3, // This is not super useful for provided for completeness + ImGuiNavMoveFlags_AllowCurrentNavId = 1 << 4, // Allow scoring and considering the current NavId as a move target candidate. This is used when the move source is offset (e.g. pressing PageDown actually needs to send a Up move request, if we are pressing PageDown from the bottom-most item we need to stay in place) + ImGuiNavMoveFlags_AlsoScoreVisibleSet = 1 << 5, // Store alternate result in NavMoveResultLocalVisibleSet that only comprise elements that are already fully visible. + ImGuiNavMoveFlags_ScrollToEdge = 1 << 6 +}; + +enum ImGuiNavForward +{ + ImGuiNavForward_None, + ImGuiNavForward_ForwardQueued, + ImGuiNavForward_ForwardActive +}; + +enum ImGuiNavLayer +{ + ImGuiNavLayer_Main = 0, // Main scrolling layer + ImGuiNavLayer_Menu = 1, // Menu layer (access with Alt/ImGuiNavInput_Menu) + ImGuiNavLayer_COUNT +}; + +enum ImGuiPopupPositionPolicy +{ + ImGuiPopupPositionPolicy_Default, + ImGuiPopupPositionPolicy_ComboBox +}; + +// 1D vector (this odd construct is used to facilitate the transition between 1D and 2D, and the maintenance of some branches/patches) +struct ImVec1 +{ + float x; + ImVec1() { x = 0.0f; } + ImVec1(float _x) { x = _x; } +}; + +// 2D vector (half-size integer) +struct ImVec2ih +{ + short x, y; + ImVec2ih() { x = y = 0; } + ImVec2ih(short _x, short _y) { x = _x; y = _y; } + explicit ImVec2ih(const ImVec2& rhs) { x = (short)rhs.x; y = (short)rhs.y; } +}; + +// 2D axis aligned bounding-box +// NB: we can't rely on ImVec2 math operators being available here +struct IMGUI_API ImRect +{ + ImVec2 Min; // Upper-left + ImVec2 Max; // Lower-right + + ImRect() : Min(0.0f, 0.0f), Max(0.0f, 0.0f) {} + ImRect(const ImVec2& min, const ImVec2& max) : Min(min), Max(max) {} + ImRect(const ImVec4& v) : Min(v.x, v.y), Max(v.z, v.w) {} + ImRect(float x1, float y1, float x2, float y2) : Min(x1, y1), Max(x2, y2) {} + + ImVec2 GetCenter() const { return ImVec2((Min.x + Max.x) * 0.5f, (Min.y + Max.y) * 0.5f); } + ImVec2 GetSize() const { return ImVec2(Max.x - Min.x, Max.y - Min.y); } + float GetWidth() const { return Max.x - Min.x; } + float GetHeight() const { return Max.y - Min.y; } + ImVec2 GetTL() const { return Min; } // Top-left + ImVec2 GetTR() const { return ImVec2(Max.x, Min.y); } // Top-right + ImVec2 GetBL() const { return ImVec2(Min.x, Max.y); } // Bottom-left + ImVec2 GetBR() const { return Max; } // Bottom-right + bool Contains(const ImVec2& p) const { return p.x >= Min.x && p.y >= Min.y && p.x < Max.x && p.y < Max.y; } + bool Contains(const ImRect& r) const { return r.Min.x >= Min.x && r.Min.y >= Min.y && r.Max.x <= Max.x && r.Max.y <= Max.y; } + bool Overlaps(const ImRect& r) const { return r.Min.y < Max.y && r.Max.y > Min.y && r.Min.x < Max.x && r.Max.x > Min.x; } + void Add(const ImVec2& p) { if (Min.x > p.x) Min.x = p.x; if (Min.y > p.y) Min.y = p.y; if (Max.x < p.x) Max.x = p.x; if (Max.y < p.y) Max.y = p.y; } + void Add(const ImRect& r) { if (Min.x > r.Min.x) Min.x = r.Min.x; if (Min.y > r.Min.y) Min.y = r.Min.y; if (Max.x < r.Max.x) Max.x = r.Max.x; if (Max.y < r.Max.y) Max.y = r.Max.y; } + void Expand(const float amount) { Min.x -= amount; Min.y -= amount; Max.x += amount; Max.y += amount; } + void Expand(const ImVec2& amount) { Min.x -= amount.x; Min.y -= amount.y; Max.x += amount.x; Max.y += amount.y; } + void Translate(const ImVec2& d) { Min.x += d.x; Min.y += d.y; Max.x += d.x; Max.y += d.y; } + void TranslateX(float dx) { Min.x += dx; Max.x += dx; } + void TranslateY(float dy) { Min.y += dy; Max.y += dy; } + void ClipWith(const ImRect& r) { Min = ImMax(Min, r.Min); Max = ImMin(Max, r.Max); } // Simple version, may lead to an inverted rectangle, which is fine for Contains/Overlaps test but not for display. + void ClipWithFull(const ImRect& r) { Min = ImClamp(Min, r.Min, r.Max); Max = ImClamp(Max, r.Min, r.Max); } // Full version, ensure both points are fully clipped. + void Floor() { Min.x = IM_FLOOR(Min.x); Min.y = IM_FLOOR(Min.y); Max.x = IM_FLOOR(Max.x); Max.y = IM_FLOOR(Max.y); } + bool IsInverted() const { return Min.x > Max.x || Min.y > Max.y; } +}; + +// Type information associated to one ImGuiDataType. Retrieve with DataTypeGetInfo(). +struct ImGuiDataTypeInfo +{ + size_t Size; // Size in byte + const char* PrintFmt; // Default printf format for the type + const char* ScanFmt; // Default scanf format for the type +}; + +// Stacked color modifier, backup of modified data so we can restore it +struct ImGuiColorMod +{ + ImGuiCol Col; + ImVec4 BackupValue; +}; + +// Stacked style modifier, backup of modified data so we can restore it. Data type inferred from the variable. +struct ImGuiStyleMod +{ + ImGuiStyleVar VarIdx; + union { int BackupInt[2]; float BackupFloat[2]; }; + ImGuiStyleMod(ImGuiStyleVar idx, int v) { VarIdx = idx; BackupInt[0] = v; } + ImGuiStyleMod(ImGuiStyleVar idx, float v) { VarIdx = idx; BackupFloat[0] = v; } + ImGuiStyleMod(ImGuiStyleVar idx, ImVec2 v) { VarIdx = idx; BackupFloat[0] = v.x; BackupFloat[1] = v.y; } +}; + +// Stacked storage data for BeginGroup()/EndGroup() +struct ImGuiGroupData +{ + ImVec2 BackupCursorPos; + ImVec2 BackupCursorMaxPos; + ImVec1 BackupIndent; + ImVec1 BackupGroupOffset; + ImVec2 BackupCurrLineSize; + float BackupCurrLineTextBaseOffset; + ImGuiID BackupActiveIdIsAlive; + bool BackupActiveIdPreviousFrameIsAlive; + bool EmitItem; +}; + +// Simple column measurement, currently used for MenuItem() only.. This is very short-sighted/throw-away code and NOT a generic helper. +struct IMGUI_API ImGuiMenuColumns +{ + float Spacing; + float Width, NextWidth; + float Pos[3], NextWidths[3]; + + ImGuiMenuColumns(); + void Update(int count, float spacing, bool clear); + float DeclColumns(float w0, float w1, float w2); + float CalcExtraSpace(float avail_w) const; +}; + +// Internal state of the currently focused/edited text input box +// For a given item ID, access with ImGui::GetInputTextState() +struct IMGUI_API ImGuiInputTextState +{ + ImGuiID ID; // widget id owning the text state + int CurLenW, CurLenA; // we need to maintain our buffer length in both UTF-8 and wchar format. UTF-8 length is valid even if TextA is not. + ImVector TextW; // edit buffer, we need to persist but can't guarantee the persistence of the user-provided buffer. so we copy into own buffer. + ImVector TextA; // temporary UTF8 buffer for callbacks and other operations. this is not updated in every code-path! size=capacity. + ImVector InitialTextA; // backup of end-user buffer at the time of focus (in UTF-8, unaltered) + bool TextAIsValid; // temporary UTF8 buffer is not initially valid before we make the widget active (until then we pull the data from user argument) + int BufCapacityA; // end-user buffer capacity + float ScrollX; // horizontal scrolling/offset + ImStb::STB_TexteditState Stb; // state for stb_textedit.h + float CursorAnim; // timer for cursor blink, reset on every user action so the cursor reappears immediately + bool CursorFollow; // set when we want scrolling to follow the current cursor position (not always!) + bool SelectedAllMouseLock; // after a double-click to select all, we ignore further mouse drags to update selection + ImGuiInputTextFlags UserFlags; // Temporarily set while we call user's callback + ImGuiInputTextCallback UserCallback; // " + void* UserCallbackData; // " + + ImGuiInputTextState() { memset(this, 0, sizeof(*this)); } + void ClearText() { CurLenW = CurLenA = 0; TextW[0] = 0; TextA[0] = 0; CursorClamp(); } + void ClearFreeMemory() { TextW.clear(); TextA.clear(); InitialTextA.clear(); } + int GetUndoAvailCount() const { return Stb.undostate.undo_point; } + int GetRedoAvailCount() const { return STB_TEXTEDIT_UNDOSTATECOUNT - Stb.undostate.redo_point; } + void OnKeyPressed(int key); // Cannot be inline because we call in code in stb_textedit.h implementation + + // Cursor & Selection + void CursorAnimReset() { CursorAnim = -0.30f; } // After a user-input the cursor stays on for a while without blinking + void CursorClamp() { Stb.cursor = ImMin(Stb.cursor, CurLenW); Stb.select_start = ImMin(Stb.select_start, CurLenW); Stb.select_end = ImMin(Stb.select_end, CurLenW); } + bool HasSelection() const { return Stb.select_start != Stb.select_end; } + void ClearSelection() { Stb.select_start = Stb.select_end = Stb.cursor; } + void SelectAll() { Stb.select_start = 0; Stb.cursor = Stb.select_end = CurLenW; Stb.has_preferred_x = 0; } +}; + +// Windows data saved in imgui.ini file +// Because we never destroy or rename ImGuiWindowSettings, we can store the names in a separate buffer easily. +// (this is designed to be stored in a ImChunkStream buffer, with the variable-length Name following our structure) +struct ImGuiWindowSettings +{ + ImGuiID ID; + ImVec2ih Pos; + ImVec2ih Size; + bool Collapsed; + + ImGuiWindowSettings() { ID = 0; Pos = Size = ImVec2ih(0, 0); Collapsed = false; } + char* GetName() { return (char*)(this + 1); } +}; + +struct ImGuiSettingsHandler +{ + const char* TypeName; // Short description stored in .ini file. Disallowed characters: '[' ']' + ImGuiID TypeHash; // == ImHashStr(TypeName) + void* (*ReadOpenFn)(ImGuiContext* ctx, ImGuiSettingsHandler* handler, const char* name); // Read: Called when entering into a new ini entry e.g. "[Window][Name]" + void (*ReadLineFn)(ImGuiContext* ctx, ImGuiSettingsHandler* handler, void* entry, const char* line); // Read: Called for every line of text within an ini entry + void (*WriteAllFn)(ImGuiContext* ctx, ImGuiSettingsHandler* handler, ImGuiTextBuffer* out_buf); // Write: Output every entries into 'out_buf' + void* UserData; + + ImGuiSettingsHandler() { memset(this, 0, sizeof(*this)); } +}; + +// Storage for current popup stack +struct ImGuiPopupData +{ + ImGuiID PopupId; // Set on OpenPopup() + ImGuiWindow* Window; // Resolved on BeginPopup() - may stay unresolved if user never calls OpenPopup() + ImGuiWindow* SourceWindow; // Set on OpenPopup() copy of NavWindow at the time of opening the popup + int OpenFrameCount; // Set on OpenPopup() + ImGuiID OpenParentId; // Set on OpenPopup(), we need this to differentiate multiple menu sets from each others (e.g. inside menu bar vs loose menu items) + ImVec2 OpenPopupPos; // Set on OpenPopup(), preferred popup position (typically == OpenMousePos when using mouse) + ImVec2 OpenMousePos; // Set on OpenPopup(), copy of mouse position at the time of opening popup + + ImGuiPopupData() { PopupId = 0; Window = SourceWindow = NULL; OpenFrameCount = -1; OpenParentId = 0; } +}; + +struct ImGuiColumnData +{ + float OffsetNorm; // Column start offset, normalized 0.0 (far left) -> 1.0 (far right) + float OffsetNormBeforeResize; + ImGuiColumnsFlags Flags; // Not exposed + ImRect ClipRect; + + ImGuiColumnData() { OffsetNorm = OffsetNormBeforeResize = 0.0f; Flags = ImGuiColumnsFlags_None; } +}; + +struct ImGuiColumns +{ + ImGuiID ID; + ImGuiColumnsFlags Flags; + bool IsFirstFrame; + bool IsBeingResized; + int Current; + int Count; + float OffMinX, OffMaxX; // Offsets from HostWorkRect.Min.x + float LineMinY, LineMaxY; + float HostCursorPosY; // Backup of CursorPos at the time of BeginColumns() + float HostCursorMaxPosX; // Backup of CursorMaxPos at the time of BeginColumns() + ImRect HostClipRect; // Backup of ClipRect at the time of BeginColumns() + ImRect HostWorkRect; // Backup of WorkRect at the time of BeginColumns() + ImVector Columns; + ImDrawListSplitter Splitter; + + ImGuiColumns() { Clear(); } + void Clear() + { + ID = 0; + Flags = ImGuiColumnsFlags_None; + IsFirstFrame = false; + IsBeingResized = false; + Current = 0; + Count = 1; + OffMinX = OffMaxX = 0.0f; + LineMinY = LineMaxY = 0.0f; + HostCursorPosY = 0.0f; + HostCursorMaxPosX = 0.0f; + Columns.clear(); + } +}; + +// ImDrawList: Helper function to calculate a circle's segment count given its radius and a "maximum error" value. +#define IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_MIN 12 +#define IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_MAX 512 +#define IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC(_RAD,_MAXERROR) ImClamp((int)((IM_PI * 2.0f) / ImAcos(((_RAD) - (_MAXERROR)) / (_RAD))), IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_MIN, IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_MAX) + +// ImDrawList: You may set this to higher values (e.g. 2 or 3) to increase tessellation of fast rounded corners path. +#ifndef IM_DRAWLIST_ARCFAST_TESSELLATION_MULTIPLIER +#define IM_DRAWLIST_ARCFAST_TESSELLATION_MULTIPLIER 1 +#endif + +// Data shared between all ImDrawList instances +// You may want to create your own instance of this if you want to use ImDrawList completely without ImGui. In that case, watch out for future changes to this structure. +struct IMGUI_API ImDrawListSharedData +{ + ImVec2 TexUvWhitePixel; // UV of white pixel in the atlas + ImFont* Font; // Current/default font (optional, for simplified AddText overload) + float FontSize; // Current/default font size (optional, for simplified AddText overload) + float CurveTessellationTol; // Tessellation tolerance when using PathBezierCurveTo() + float CircleSegmentMaxError; // Number of circle segments to use per pixel of radius for AddCircle() etc + ImVec4 ClipRectFullscreen; // Value for PushClipRectFullscreen() + ImDrawListFlags InitialFlags; // Initial flags at the beginning of the frame (it is possible to alter flags on a per-drawlist basis afterwards) + + // [Internal] Lookup tables + ImVec2 ArcFastVtx[12 * IM_DRAWLIST_ARCFAST_TESSELLATION_MULTIPLIER]; // FIXME: Bake rounded corners fill/borders in atlas + ImU8 CircleSegmentCounts[64]; // Precomputed segment count for given radius (array index + 1) before we calculate it dynamically (to avoid calculation overhead) + + ImDrawListSharedData(); + void SetCircleSegmentMaxError(float max_error); +}; + +struct ImDrawDataBuilder +{ + ImVector Layers[2]; // Global layers for: regular, tooltip + + void Clear() { for (int n = 0; n < IM_ARRAYSIZE(Layers); n++) Layers[n].resize(0); } + void ClearFreeMemory() { for (int n = 0; n < IM_ARRAYSIZE(Layers); n++) Layers[n].clear(); } + IMGUI_API void FlattenIntoSingleLayer(); +}; + +struct ImGuiNavMoveResult +{ + ImGuiWindow* Window; // Best candidate window + ImGuiID ID; // Best candidate ID + ImGuiID FocusScopeId; // Best candidate focus scope ID + float DistBox; // Best candidate box distance to current NavId + float DistCenter; // Best candidate center distance to current NavId + float DistAxial; + ImRect RectRel; // Best candidate bounding box in window relative space + + ImGuiNavMoveResult() { Clear(); } + void Clear() { Window = NULL; ID = FocusScopeId = 0; DistBox = DistCenter = DistAxial = FLT_MAX; RectRel = ImRect(); } +}; + +enum ImGuiNextWindowDataFlags_ +{ + ImGuiNextWindowDataFlags_None = 0, + ImGuiNextWindowDataFlags_HasPos = 1 << 0, + ImGuiNextWindowDataFlags_HasSize = 1 << 1, + ImGuiNextWindowDataFlags_HasContentSize = 1 << 2, + ImGuiNextWindowDataFlags_HasCollapsed = 1 << 3, + ImGuiNextWindowDataFlags_HasSizeConstraint = 1 << 4, + ImGuiNextWindowDataFlags_HasFocus = 1 << 5, + ImGuiNextWindowDataFlags_HasBgAlpha = 1 << 6 +}; + +// Storage for SetNexWindow** functions +struct ImGuiNextWindowData +{ + ImGuiNextWindowDataFlags Flags; + ImGuiCond PosCond; + ImGuiCond SizeCond; + ImGuiCond CollapsedCond; + ImVec2 PosVal; + ImVec2 PosPivotVal; + ImVec2 SizeVal; + ImVec2 ContentSizeVal; + bool CollapsedVal; + ImRect SizeConstraintRect; + ImGuiSizeCallback SizeCallback; + void* SizeCallbackUserData; + float BgAlphaVal; // Override background alpha + ImVec2 MenuBarOffsetMinVal; // *Always on* This is not exposed publicly, so we don't clear it. + + ImGuiNextWindowData() { memset(this, 0, sizeof(*this)); } + inline void ClearFlags() { Flags = ImGuiNextWindowDataFlags_None; } +}; + +enum ImGuiNextItemDataFlags_ +{ + ImGuiNextItemDataFlags_None = 0, + ImGuiNextItemDataFlags_HasWidth = 1 << 0, + ImGuiNextItemDataFlags_HasOpen = 1 << 1 +}; + +struct ImGuiNextItemData +{ + ImGuiNextItemDataFlags Flags; + float Width; // Set by SetNextItemWidth() + ImGuiID FocusScopeId; // Set by SetNextItemMultiSelectData() (!= 0 signify value has been set, so it's an alternate version of HasSelectionData, we don't use Flags for this because they are cleared too early. This is mostly used for debugging) + ImGuiCond OpenCond; + bool OpenVal; // Set by SetNextItemOpen() + + ImGuiNextItemData() { memset(this, 0, sizeof(*this)); } + inline void ClearFlags() { Flags = ImGuiNextItemDataFlags_None; } // Also cleared manually by ItemAdd()! +}; + +//----------------------------------------------------------------------------- +// Tabs +//----------------------------------------------------------------------------- + +struct ImGuiShrinkWidthItem +{ + int Index; + float Width; +}; + +struct ImGuiPtrOrIndex +{ + void* Ptr; // Either field can be set, not both. e.g. Dock node tab bars are loose while BeginTabBar() ones are in a pool. + int Index; // Usually index in a main pool. + + ImGuiPtrOrIndex(void* ptr) { Ptr = ptr; Index = -1; } + ImGuiPtrOrIndex(int index) { Ptr = NULL; Index = index; } +}; + +//----------------------------------------------------------------------------- +// Main Dear ImGui context +//----------------------------------------------------------------------------- + +struct ImGuiContext +{ + bool Initialized; + bool FontAtlasOwnedByContext; // IO.Fonts-> is owned by the ImGuiContext and will be destructed along with it. + ImGuiIO IO; + ImGuiStyle Style; + ImFont* Font; // (Shortcut) == FontStack.empty() ? IO.Font : FontStack.back() + float FontSize; // (Shortcut) == FontBaseSize * g.CurrentWindow->FontWindowScale == window->FontSize(). Text height for current window. + float FontBaseSize; // (Shortcut) == IO.FontGlobalScale * Font->Scale * Font->FontSize. Base text height. + ImDrawListSharedData DrawListSharedData; + double Time; + int FrameCount; + int FrameCountEnded; + int FrameCountRendered; + bool WithinFrameScope; // Set by NewFrame(), cleared by EndFrame() + bool WithinFrameScopeWithImplicitWindow; // Set by NewFrame(), cleared by EndFrame() when the implicit debug window has been pushed + bool WithinEndChild; // Set within EndChild() + + // Windows state + ImVector Windows; // Windows, sorted in display order, back to front + ImVector WindowsFocusOrder; // Windows, sorted in focus order, back to front. (FIXME: We could only store root windows here! Need to sort out the Docking equivalent which is RootWindowDockStop and is unfortunately a little more dynamic) + ImVector WindowsTempSortBuffer; // Temporary buffer used in EndFrame() to reorder windows so parents are kept before their child + ImVector CurrentWindowStack; + ImGuiStorage WindowsById; // Map window's ImGuiID to ImGuiWindow* + int WindowsActiveCount; // Number of unique windows submitted by frame + ImGuiWindow* CurrentWindow; // Window being drawn into + ImGuiWindow* HoveredWindow; // Will catch mouse inputs + ImGuiWindow* HoveredRootWindow; // Will catch mouse inputs (for focus/move only) + ImGuiWindow* MovingWindow; // Track the window we clicked on (in order to preserve focus). The actually window that is moved is generally MovingWindow->RootWindow. + ImGuiWindow* WheelingWindow; // Track the window we started mouse-wheeling on. Until a timer elapse or mouse has moved, generally keep scrolling the same window even if during the course of scrolling the mouse ends up hovering a child window. + ImVec2 WheelingWindowRefMousePos; + float WheelingWindowTimer; + + // Item/widgets state and tracking information + ImGuiID HoveredId; // Hovered widget + bool HoveredIdAllowOverlap; + ImGuiID HoveredIdPreviousFrame; + float HoveredIdTimer; // Measure contiguous hovering time + float HoveredIdNotActiveTimer; // Measure contiguous hovering time where the item has not been active + ImGuiID ActiveId; // Active widget + ImGuiID ActiveIdIsAlive; // Active widget has been seen this frame (we can't use a bool as the ActiveId may change within the frame) + float ActiveIdTimer; + bool ActiveIdIsJustActivated; // Set at the time of activation for one frame + bool ActiveIdAllowOverlap; // Active widget allows another widget to steal active id (generally for overlapping widgets, but not always) + bool ActiveIdHasBeenPressedBefore; // Track whether the active id led to a press (this is to allow changing between PressOnClick and PressOnRelease without pressing twice). Used by range_select branch. + bool ActiveIdHasBeenEditedBefore; // Was the value associated to the widget Edited over the course of the Active state. + bool ActiveIdHasBeenEditedThisFrame; + ImU32 ActiveIdUsingNavDirMask; // Active widget will want to read those directional navigation requests (e.g. can activate a button and move away from it) + ImU32 ActiveIdUsingNavInputMask; // Active widget will want to read those nav inputs. + ImU64 ActiveIdUsingKeyInputMask; // Active widget will want to read those key inputs. When we grow the ImGuiKey enum we'll need to either to order the enum to make useful keys come first, either redesign this into e.g. a small array. + ImVec2 ActiveIdClickOffset; // Clicked offset from upper-left corner, if applicable (currently only set by ButtonBehavior) + ImGuiWindow* ActiveIdWindow; + ImGuiInputSource ActiveIdSource; // Activating with mouse or nav (gamepad/keyboard) + int ActiveIdMouseButton; + ImGuiID ActiveIdPreviousFrame; + bool ActiveIdPreviousFrameIsAlive; + bool ActiveIdPreviousFrameHasBeenEditedBefore; + ImGuiWindow* ActiveIdPreviousFrameWindow; + ImGuiID LastActiveId; // Store the last non-zero ActiveId, useful for animation. + float LastActiveIdTimer; // Store the last non-zero ActiveId timer since the beginning of activation, useful for animation. + + // Next window/item data + ImGuiNextWindowData NextWindowData; // Storage for SetNextWindow** functions + ImGuiNextItemData NextItemData; // Storage for SetNextItem** functions + + // Shared stacks + ImVector ColorModifiers; // Stack for PushStyleColor()/PopStyleColor() + ImVector StyleModifiers; // Stack for PushStyleVar()/PopStyleVar() + ImVector FontStack; // Stack for PushFont()/PopFont() + ImVectorOpenPopupStack; // Which popups are open (persistent) + ImVectorBeginPopupStack; // Which level of BeginPopup() we are in (reset every frame) + + // Gamepad/keyboard Navigation + ImGuiWindow* NavWindow; // Focused window for navigation. Could be called 'FocusWindow' + ImGuiID NavId; // Focused item for navigation + ImGuiID NavFocusScopeId; + ImGuiID NavActivateId; // ~~ (g.ActiveId == 0) && IsNavInputPressed(ImGuiNavInput_Activate) ? NavId : 0, also set when calling ActivateItem() + ImGuiID NavActivateDownId; // ~~ IsNavInputDown(ImGuiNavInput_Activate) ? NavId : 0 + ImGuiID NavActivatePressedId; // ~~ IsNavInputPressed(ImGuiNavInput_Activate) ? NavId : 0 + ImGuiID NavInputId; // ~~ IsNavInputPressed(ImGuiNavInput_Input) ? NavId : 0 + ImGuiID NavJustTabbedId; // Just tabbed to this id. + ImGuiID NavJustMovedToId; // Just navigated to this id (result of a successfully MoveRequest). + ImGuiID NavJustMovedToFocusScopeId; // Just navigated to this focus scope id (result of a successfully MoveRequest). + ImGuiID NavNextActivateId; // Set by ActivateItem(), queued until next frame. + ImGuiInputSource NavInputSource; // Keyboard or Gamepad mode? THIS WILL ONLY BE None or NavGamepad or NavKeyboard. + ImRect NavScoringRectScreen; // Rectangle used for scoring, in screen space. Based of window->DC.NavRefRectRel[], modified for directional navigation scoring. + int NavScoringCount; // Metrics for debugging + ImGuiNavLayer NavLayer; // Layer we are navigating on. For now the system is hard-coded for 0=main contents and 1=menu/title bar, may expose layers later. + int NavIdTabCounter; // == NavWindow->DC.FocusIdxTabCounter at time of NavId processing + bool NavIdIsAlive; // Nav widget has been seen this frame ~~ NavRefRectRel is valid + bool NavMousePosDirty; // When set we will update mouse position if (io.ConfigFlags & ImGuiConfigFlags_NavEnableSetMousePos) if set (NB: this not enabled by default) + bool NavDisableHighlight; // When user starts using mouse, we hide gamepad/keyboard highlight (NB: but they are still available, which is why NavDisableHighlight isn't always != NavDisableMouseHover) + bool NavDisableMouseHover; // When user starts using gamepad/keyboard, we hide mouse hovering highlight until mouse is touched again. + bool NavAnyRequest; // ~~ NavMoveRequest || NavInitRequest + bool NavInitRequest; // Init request for appearing window to select first item + bool NavInitRequestFromMove; + ImGuiID NavInitResultId; + ImRect NavInitResultRectRel; + bool NavMoveFromClampedRefRect; // Set by manual scrolling, if we scroll to a point where NavId isn't visible we reset navigation from visible items + bool NavMoveRequest; // Move request for this frame + ImGuiNavMoveFlags NavMoveRequestFlags; + ImGuiNavForward NavMoveRequestForward; // None / ForwardQueued / ForwardActive (this is used to navigate sibling parent menus from a child menu) + ImGuiDir NavMoveDir, NavMoveDirLast; // Direction of the move request (left/right/up/down), direction of the previous move request + ImGuiDir NavMoveClipDir; // FIXME-NAV: Describe the purpose of this better. Might want to rename? + ImGuiNavMoveResult NavMoveResultLocal; // Best move request candidate within NavWindow + ImGuiNavMoveResult NavMoveResultLocalVisibleSet; // Best move request candidate within NavWindow that are mostly visible (when using ImGuiNavMoveFlags_AlsoScoreVisibleSet flag) + ImGuiNavMoveResult NavMoveResultOther; // Best move request candidate within NavWindow's flattened hierarchy (when using ImGuiWindowFlags_NavFlattened flag) + + // Navigation: Windowing (CTRL+TAB, holding Menu button + directional pads to move/resize) + ImGuiWindow* NavWindowingTarget; // When selecting a window (holding Menu+FocusPrev/Next, or equivalent of CTRL-TAB) this window is temporarily displayed top-most. + ImGuiWindow* NavWindowingTargetAnim; // Record of last valid NavWindowingTarget until DimBgRatio and NavWindowingHighlightAlpha becomes 0.0f + ImGuiWindow* NavWindowingList; + float NavWindowingTimer; + float NavWindowingHighlightAlpha; + bool NavWindowingToggleLayer; + + // Legacy Focus/Tabbing system (older than Nav, active even if Nav is disabled, misnamed. FIXME-NAV: This needs a redesign!) + ImGuiWindow* FocusRequestCurrWindow; // + ImGuiWindow* FocusRequestNextWindow; // + int FocusRequestCurrCounterRegular; // Any item being requested for focus, stored as an index (we on layout to be stable between the frame pressing TAB and the next frame, semi-ouch) + int FocusRequestCurrCounterTabStop; // Tab item being requested for focus, stored as an index + int FocusRequestNextCounterRegular; // Stored for next frame + int FocusRequestNextCounterTabStop; // " + bool FocusTabPressed; // + + // Render + ImDrawData DrawData; // Main ImDrawData instance to pass render information to the user + ImDrawDataBuilder DrawDataBuilder; + float DimBgRatio; // 0.0..1.0 animation when fading in a dimming background (for modal window and CTRL+TAB list) + ImDrawList BackgroundDrawList; // First draw list to be rendered. + ImDrawList ForegroundDrawList; // Last draw list to be rendered. This is where we the render software mouse cursor (if io.MouseDrawCursor is set) and most debug overlays. + ImGuiMouseCursor MouseCursor; + + // Drag and Drop + bool DragDropActive; + bool DragDropWithinSource; // Set when within a BeginDragDropXXX/EndDragDropXXX block for a drag source. + bool DragDropWithinTarget; // Set when within a BeginDragDropXXX/EndDragDropXXX block for a drag target. + ImGuiDragDropFlags DragDropSourceFlags; + int DragDropSourceFrameCount; + int DragDropMouseButton; + ImGuiPayload DragDropPayload; + ImRect DragDropTargetRect; // Store rectangle of current target candidate (we favor small targets when overlapping) + ImGuiID DragDropTargetId; + ImGuiDragDropFlags DragDropAcceptFlags; + float DragDropAcceptIdCurrRectSurface; // Target item surface (we resolve overlapping targets by prioritizing the smaller surface) + ImGuiID DragDropAcceptIdCurr; // Target item id (set at the time of accepting the payload) + ImGuiID DragDropAcceptIdPrev; // Target item id from previous frame (we need to store this to allow for overlapping drag and drop targets) + int DragDropAcceptFrameCount; // Last time a target expressed a desire to accept the source + ImVector DragDropPayloadBufHeap; // We don't expose the ImVector<> directly, ImGuiPayload only holds pointer+size + unsigned char DragDropPayloadBufLocal[16]; // Local buffer for small payloads + + // Tab bars + ImGuiTabBar* CurrentTabBar; + ImPool TabBars; + ImVector CurrentTabBarStack; + ImVector ShrinkWidthBuffer; + + // Widget state + ImVec2 LastValidMousePos; + ImGuiInputTextState InputTextState; + ImFont InputTextPasswordFont; + ImGuiID TempInputId; // Temporary text input when CTRL+clicking on a slider, etc. + ImGuiColorEditFlags ColorEditOptions; // Store user options for color edit widgets + float ColorEditLastHue; // Backup of last Hue associated to LastColor[3], so we can restore Hue in lossy RGB<>HSV round trips + float ColorEditLastSat; // Backup of last Saturation associated to LastColor[3], so we can restore Saturation in lossy RGB<>HSV round trips + float ColorEditLastColor[3]; + ImVec4 ColorPickerRef; // Initial/reference color at the time of opening the color picker. + bool DragCurrentAccumDirty; + float DragCurrentAccum; // Accumulator for dragging modification. Always high-precision, not rounded by end-user precision settings + float DragSpeedDefaultRatio; // If speed == 0.0f, uses (max-min) * DragSpeedDefaultRatio + float ScrollbarClickDeltaToGrabCenter; // Distance between mouse and center of grab box, normalized in parent space. Use storage? + int TooltipOverrideCount; + ImVector PrivateClipboard; // If no custom clipboard handler is defined + ImVector MenusIdSubmittedThisFrame; // A list of menu IDs that were rendered at least once + + // Platform support + ImVec2 PlatformImePos; // Cursor position request & last passed to the OS Input Method Editor + ImVec2 PlatformImeLastPos; + + // Settings + bool SettingsLoaded; + float SettingsDirtyTimer; // Save .ini Settings to memory when time reaches zero + ImGuiTextBuffer SettingsIniData; // In memory .ini settings + ImVector SettingsHandlers; // List of .ini settings handlers + ImChunkStream SettingsWindows; // ImGuiWindow .ini settings entries + + // Capture/Logging + bool LogEnabled; + ImGuiLogType LogType; + ImFileHandle LogFile; // If != NULL log to stdout/ file + ImGuiTextBuffer LogBuffer; // Accumulation buffer when log to clipboard. This is pointer so our GImGui static constructor doesn't call heap allocators. + float LogLinePosY; + bool LogLineFirstItem; + int LogDepthRef; + int LogDepthToExpand; + int LogDepthToExpandDefault; // Default/stored value for LogDepthMaxExpand if not specified in the LogXXX function call. + + // Debug Tools + bool DebugItemPickerActive; + ImGuiID DebugItemPickerBreakId; // Will call IM_DEBUG_BREAK() when encountering this id + + // Misc + float FramerateSecPerFrame[120]; // Calculate estimate of framerate for user over the last 2 seconds. + int FramerateSecPerFrameIdx; + float FramerateSecPerFrameAccum; + int WantCaptureMouseNextFrame; // Explicit capture via CaptureKeyboardFromApp()/CaptureMouseFromApp() sets those flags + int WantCaptureKeyboardNextFrame; + int WantTextInputNextFrame; + char TempBuffer[1024*3+1]; // Temporary text buffer + + ImGuiContext(ImFontAtlas* shared_font_atlas) : BackgroundDrawList(&DrawListSharedData), ForegroundDrawList(&DrawListSharedData) + { + Initialized = false; + Font = NULL; + FontSize = FontBaseSize = 0.0f; + FontAtlasOwnedByContext = shared_font_atlas ? false : true; + IO.Fonts = shared_font_atlas ? shared_font_atlas : IM_NEW(ImFontAtlas)(); + Time = 0.0f; + FrameCount = 0; + FrameCountEnded = FrameCountRendered = -1; + WithinFrameScope = WithinFrameScopeWithImplicitWindow = WithinEndChild = false; + + WindowsActiveCount = 0; + CurrentWindow = NULL; + HoveredWindow = NULL; + HoveredRootWindow = NULL; + MovingWindow = NULL; + WheelingWindow = NULL; + WheelingWindowTimer = 0.0f; + + HoveredId = 0; + HoveredIdAllowOverlap = false; + HoveredIdPreviousFrame = 0; + HoveredIdTimer = HoveredIdNotActiveTimer = 0.0f; + ActiveId = 0; + ActiveIdIsAlive = 0; + ActiveIdTimer = 0.0f; + ActiveIdIsJustActivated = false; + ActiveIdAllowOverlap = false; + ActiveIdHasBeenPressedBefore = false; + ActiveIdHasBeenEditedBefore = false; + ActiveIdHasBeenEditedThisFrame = false; + ActiveIdUsingNavDirMask = 0x00; + ActiveIdUsingNavInputMask = 0x00; + ActiveIdUsingKeyInputMask = 0x00; + ActiveIdClickOffset = ImVec2(-1,-1); + ActiveIdWindow = NULL; + ActiveIdSource = ImGuiInputSource_None; + ActiveIdMouseButton = 0; + ActiveIdPreviousFrame = 0; + ActiveIdPreviousFrameIsAlive = false; + ActiveIdPreviousFrameHasBeenEditedBefore = false; + ActiveIdPreviousFrameWindow = NULL; + LastActiveId = 0; + LastActiveIdTimer = 0.0f; + + NavWindow = NULL; + NavId = NavFocusScopeId = NavActivateId = NavActivateDownId = NavActivatePressedId = NavInputId = 0; + NavJustTabbedId = NavJustMovedToId = NavJustMovedToFocusScopeId = NavNextActivateId = 0; + NavInputSource = ImGuiInputSource_None; + NavScoringRectScreen = ImRect(); + NavScoringCount = 0; + NavLayer = ImGuiNavLayer_Main; + NavIdTabCounter = INT_MAX; + NavIdIsAlive = false; + NavMousePosDirty = false; + NavDisableHighlight = true; + NavDisableMouseHover = false; + NavAnyRequest = false; + NavInitRequest = false; + NavInitRequestFromMove = false; + NavInitResultId = 0; + NavMoveFromClampedRefRect = false; + NavMoveRequest = false; + NavMoveRequestFlags = ImGuiNavMoveFlags_None; + NavMoveRequestForward = ImGuiNavForward_None; + NavMoveDir = NavMoveDirLast = NavMoveClipDir = ImGuiDir_None; + + NavWindowingTarget = NavWindowingTargetAnim = NavWindowingList = NULL; + NavWindowingTimer = NavWindowingHighlightAlpha = 0.0f; + NavWindowingToggleLayer = false; + + FocusRequestCurrWindow = FocusRequestNextWindow = NULL; + FocusRequestCurrCounterRegular = FocusRequestCurrCounterTabStop = INT_MAX; + FocusRequestNextCounterRegular = FocusRequestNextCounterTabStop = INT_MAX; + FocusTabPressed = false; + + DimBgRatio = 0.0f; + BackgroundDrawList._OwnerName = "##Background"; // Give it a name for debugging + ForegroundDrawList._OwnerName = "##Foreground"; // Give it a name for debugging + MouseCursor = ImGuiMouseCursor_Arrow; + + DragDropActive = DragDropWithinSource = DragDropWithinTarget = false; + DragDropSourceFlags = ImGuiDragDropFlags_None; + DragDropSourceFrameCount = -1; + DragDropMouseButton = -1; + DragDropTargetId = 0; + DragDropAcceptFlags = ImGuiDragDropFlags_None; + DragDropAcceptIdCurrRectSurface = 0.0f; + DragDropAcceptIdPrev = DragDropAcceptIdCurr = 0; + DragDropAcceptFrameCount = -1; + memset(DragDropPayloadBufLocal, 0, sizeof(DragDropPayloadBufLocal)); + + CurrentTabBar = NULL; + + LastValidMousePos = ImVec2(0.0f, 0.0f); + TempInputId = 0; + ColorEditOptions = ImGuiColorEditFlags__OptionsDefault; + ColorEditLastHue = ColorEditLastSat = 0.0f; + ColorEditLastColor[0] = ColorEditLastColor[1] = ColorEditLastColor[2] = FLT_MAX; + DragCurrentAccumDirty = false; + DragCurrentAccum = 0.0f; + DragSpeedDefaultRatio = 1.0f / 100.0f; + ScrollbarClickDeltaToGrabCenter = 0.0f; + TooltipOverrideCount = 0; + + PlatformImePos = PlatformImeLastPos = ImVec2(FLT_MAX, FLT_MAX); + + SettingsLoaded = false; + SettingsDirtyTimer = 0.0f; + + LogEnabled = false; + LogType = ImGuiLogType_None; + LogFile = NULL; + LogLinePosY = FLT_MAX; + LogLineFirstItem = false; + LogDepthRef = 0; + LogDepthToExpand = LogDepthToExpandDefault = 2; + + DebugItemPickerActive = false; + DebugItemPickerBreakId = 0; + + memset(FramerateSecPerFrame, 0, sizeof(FramerateSecPerFrame)); + FramerateSecPerFrameIdx = 0; + FramerateSecPerFrameAccum = 0.0f; + WantCaptureMouseNextFrame = WantCaptureKeyboardNextFrame = WantTextInputNextFrame = -1; + memset(TempBuffer, 0, sizeof(TempBuffer)); + } +}; + +//----------------------------------------------------------------------------- +// ImGuiWindow +//----------------------------------------------------------------------------- + +// Transient per-window data, reset at the beginning of the frame. This used to be called ImGuiDrawContext, hence the DC variable name in ImGuiWindow. +// FIXME: That's theory, in practice the delimitation between ImGuiWindow and ImGuiWindowTempData is quite tenuous and could be reconsidered. +struct IMGUI_API ImGuiWindowTempData +{ + // Layout + ImVec2 CursorPos; // Current emitting position, in absolute coordinates. + ImVec2 CursorPosPrevLine; + ImVec2 CursorStartPos; // Initial position after Begin(), generally ~ window position + WindowPadding. + ImVec2 CursorMaxPos; // Used to implicitly calculate the size of our contents, always growing during the frame. Used to calculate window->ContentSize at the beginning of next frame + ImVec2 CurrLineSize; + ImVec2 PrevLineSize; + float CurrLineTextBaseOffset; // Baseline offset (0.0f by default on a new line, generally == style.FramePadding.y when a framed item has been added). + float PrevLineTextBaseOffset; + ImVec1 Indent; // Indentation / start position from left of window (increased by TreePush/TreePop, etc.) + ImVec1 ColumnsOffset; // Offset to the current column (if ColumnsCurrent > 0). FIXME: This and the above should be a stack to allow use cases like Tree->Column->Tree. Need revamp columns API. + ImVec1 GroupOffset; + + // Last item status + ImGuiID LastItemId; // ID for last item + ImGuiItemStatusFlags LastItemStatusFlags; // Status flags for last item (see ImGuiItemStatusFlags_) + ImRect LastItemRect; // Interaction rect for last item + ImRect LastItemDisplayRect; // End-user display rect for last item (only valid if LastItemStatusFlags & ImGuiItemStatusFlags_HasDisplayRect) + + // Keyboard/Gamepad navigation + ImGuiNavLayer NavLayerCurrent; // Current layer, 0..31 (we currently only use 0..1) + int NavLayerCurrentMask; // = (1 << NavLayerCurrent) used by ItemAdd prior to clipping. + int NavLayerActiveMask; // Which layer have been written to (result from previous frame) + int NavLayerActiveMaskNext; // Which layer have been written to (buffer for current frame) + ImGuiID NavFocusScopeIdCurrent; // Current focus scope ID while appending + bool NavHideHighlightOneFrame; + bool NavHasScroll; // Set when scrolling can be used (ScrollMax > 0.0f) + + // Miscellaneous + bool MenuBarAppending; // FIXME: Remove this + ImVec2 MenuBarOffset; // MenuBarOffset.x is sort of equivalent of a per-layer CursorPos.x, saved/restored as we switch to the menu bar. The only situation when MenuBarOffset.y is > 0 if when (SafeAreaPadding.y > FramePadding.y), often used on TVs. + ImGuiMenuColumns MenuColumns; // Simplified columns storage for menu items measurement + int TreeDepth; // Current tree depth. + ImU32 TreeJumpToParentOnPopMask; // Store a copy of !g.NavIdIsAlive for TreeDepth 0..31.. Could be turned into a ImU64 if necessary. + ImVector ChildWindows; + ImGuiStorage* StateStorage; // Current persistent per-window storage (store e.g. tree node open/close state) + ImGuiColumns* CurrentColumns; // Current columns set + ImGuiLayoutType LayoutType; + ImGuiLayoutType ParentLayoutType; // Layout type of parent window at the time of Begin() + int FocusCounterRegular; // (Legacy Focus/Tabbing system) Sequential counter, start at -1 and increase as assigned via FocusableItemRegister() (FIXME-NAV: Needs redesign) + int FocusCounterTabStop; // (Legacy Focus/Tabbing system) Same, but only count widgets which you can Tab through. + + // Local parameters stacks + // We store the current settings outside of the vectors to increase memory locality (reduce cache misses). The vectors are rarely modified. Also it allows us to not heap allocate for short-lived windows which are not using those settings. + ImGuiItemFlags ItemFlags; // == ItemFlagsStack.back() [empty == ImGuiItemFlags_Default] + float ItemWidth; // == ItemWidthStack.back(). 0.0: default, >0.0: width in pixels, <0.0: align xx pixels to the right of window + float TextWrapPos; // == TextWrapPosStack.back() [empty == -1.0f] + ImVectorItemFlagsStack; + ImVector ItemWidthStack; + ImVector TextWrapPosStack; + ImVectorGroupStack; + short StackSizesBackup[6]; // Store size of various stacks for asserting + + ImGuiWindowTempData() + { + CursorPos = CursorPosPrevLine = CursorStartPos = CursorMaxPos = ImVec2(0.0f, 0.0f); + CurrLineSize = PrevLineSize = ImVec2(0.0f, 0.0f); + CurrLineTextBaseOffset = PrevLineTextBaseOffset = 0.0f; + Indent = ImVec1(0.0f); + ColumnsOffset = ImVec1(0.0f); + GroupOffset = ImVec1(0.0f); + + LastItemId = 0; + LastItemStatusFlags = ImGuiItemStatusFlags_None; + LastItemRect = LastItemDisplayRect = ImRect(); + + NavLayerActiveMask = NavLayerActiveMaskNext = 0x00; + NavLayerCurrent = ImGuiNavLayer_Main; + NavLayerCurrentMask = (1 << ImGuiNavLayer_Main); + NavFocusScopeIdCurrent = 0; + NavHideHighlightOneFrame = false; + NavHasScroll = false; + + MenuBarAppending = false; + MenuBarOffset = ImVec2(0.0f, 0.0f); + TreeDepth = 0; + TreeJumpToParentOnPopMask = 0x00; + StateStorage = NULL; + CurrentColumns = NULL; + LayoutType = ParentLayoutType = ImGuiLayoutType_Vertical; + FocusCounterRegular = FocusCounterTabStop = -1; + + ItemFlags = ImGuiItemFlags_Default_; + ItemWidth = 0.0f; + TextWrapPos = -1.0f; + memset(StackSizesBackup, 0, sizeof(StackSizesBackup)); + } +}; + +// Storage for one window +struct IMGUI_API ImGuiWindow +{ + char* Name; // Window name, owned by the window. + ImGuiID ID; // == ImHashStr(Name) + ImGuiWindowFlags Flags; // See enum ImGuiWindowFlags_ + ImVec2 Pos; // Position (always rounded-up to nearest pixel) + ImVec2 Size; // Current size (==SizeFull or collapsed title bar size) + ImVec2 SizeFull; // Size when non collapsed + ImVec2 ContentSize; // Size of contents/scrollable client area (calculated from the extents reach of the cursor) from previous frame. Does not include window decoration or window padding. + ImVec2 ContentSizeExplicit; // Size of contents/scrollable client area explicitly request by the user via SetNextWindowContentSize(). + ImVec2 WindowPadding; // Window padding at the time of Begin(). + float WindowRounding; // Window rounding at the time of Begin(). + float WindowBorderSize; // Window border size at the time of Begin(). + int NameBufLen; // Size of buffer storing Name. May be larger than strlen(Name)! + ImGuiID MoveId; // == window->GetID("#MOVE") + ImGuiID ChildId; // ID of corresponding item in parent window (for navigation to return from child window to parent window) + ImVec2 Scroll; + ImVec2 ScrollMax; + ImVec2 ScrollTarget; // target scroll position. stored as cursor position with scrolling canceled out, so the highest point is always 0.0f. (FLT_MAX for no change) + ImVec2 ScrollTargetCenterRatio; // 0.0f = scroll so that target position is at top, 0.5f = scroll so that target position is centered + ImVec2 ScrollbarSizes; // Size taken by scrollbars on each axis + bool ScrollbarX, ScrollbarY; // Are scrollbars visible? + bool Active; // Set to true on Begin(), unless Collapsed + bool WasActive; + bool WriteAccessed; // Set to true when any widget access the current window + bool Collapsed; // Set when collapsing window to become only title-bar + bool WantCollapseToggle; + bool SkipItems; // Set when items can safely be all clipped (e.g. window not visible or collapsed) + bool Appearing; // Set during the frame where the window is appearing (or re-appearing) + bool Hidden; // Do not display (== (HiddenFrames*** > 0)) + bool IsFallbackWindow; // Set on the "Debug##Default" window. + bool HasCloseButton; // Set when the window has a close button (p_open != NULL) + signed char ResizeBorderHeld; // Current border being held for resize (-1: none, otherwise 0-3) + short BeginCount; // Number of Begin() during the current frame (generally 0 or 1, 1+ if appending via multiple Begin/End pairs) + short BeginOrderWithinParent; // Order within immediate parent window, if we are a child window. Otherwise 0. + short BeginOrderWithinContext; // Order within entire imgui context. This is mostly used for debugging submission order related issues. + ImGuiID PopupId; // ID in the popup stack when this window is used as a popup/menu (because we use generic Name/ID for recycling) + ImS8 AutoFitFramesX, AutoFitFramesY; + ImS8 AutoFitChildAxises; + bool AutoFitOnlyGrows; + ImGuiDir AutoPosLastDirection; + int HiddenFramesCanSkipItems; // Hide the window for N frames + int HiddenFramesCannotSkipItems; // Hide the window for N frames while allowing items to be submitted so we can measure their size + ImGuiCond SetWindowPosAllowFlags; // store acceptable condition flags for SetNextWindowPos() use. + ImGuiCond SetWindowSizeAllowFlags; // store acceptable condition flags for SetNextWindowSize() use. + ImGuiCond SetWindowCollapsedAllowFlags; // store acceptable condition flags for SetNextWindowCollapsed() use. + ImVec2 SetWindowPosVal; // store window position when using a non-zero Pivot (position set needs to be processed when we know the window size) + ImVec2 SetWindowPosPivot; // store window pivot for positioning. ImVec2(0,0) when positioning from top-left corner; ImVec2(0.5f,0.5f) for centering; ImVec2(1,1) for bottom right. + + ImVector IDStack; // ID stack. ID are hashes seeded with the value at the top of the stack. (In theory this should be in the TempData structure) + ImGuiWindowTempData DC; // Temporary per-window data, reset at the beginning of the frame. This used to be called ImGuiDrawContext, hence the "DC" variable name. + + // The best way to understand what those rectangles are is to use the 'Metrics -> Tools -> Show windows rectangles' viewer. + // The main 'OuterRect', omitted as a field, is window->Rect(). + ImRect OuterRectClipped; // == Window->Rect() just after setup in Begin(). == window->Rect() for root window. + ImRect InnerRect; // Inner rectangle (omit title bar, menu bar, scroll bar) + ImRect InnerClipRect; // == InnerRect shrunk by WindowPadding*0.5f on each side, clipped within viewport or parent clip rect. + ImRect WorkRect; // Cover the whole scrolling region, shrunk by WindowPadding*1.0f on each side. This is meant to replace ContentRegionRect over time (from 1.71+ onward). + ImRect ClipRect; // Current clipping/scissoring rectangle, evolve as we are using PushClipRect(), etc. == DrawList->clip_rect_stack.back(). + ImRect ContentRegionRect; // FIXME: This is currently confusing/misleading. It is essentially WorkRect but not handling of scrolling. We currently rely on it as right/bottom aligned sizing operation need some size to rely on. + + int LastFrameActive; // Last frame number the window was Active. + float LastTimeActive; // Last timestamp the window was Active (using float as we don't need high precision there) + float ItemWidthDefault; + ImGuiStorage StateStorage; + ImVector ColumnsStorage; + float FontWindowScale; // User scale multiplier per-window, via SetWindowFontScale() + int SettingsOffset; // Offset into SettingsWindows[] (offsets are always valid as we only grow the array from the back) + + ImDrawList* DrawList; // == &DrawListInst (for backward compatibility reason with code using imgui_internal.h we keep this a pointer) + ImDrawList DrawListInst; + ImGuiWindow* ParentWindow; // If we are a child _or_ popup window, this is pointing to our parent. Otherwise NULL. + ImGuiWindow* RootWindow; // Point to ourself or first ancestor that is not a child window. + ImGuiWindow* RootWindowForTitleBarHighlight; // Point to ourself or first ancestor which will display TitleBgActive color when this window is active. + ImGuiWindow* RootWindowForNav; // Point to ourself or first ancestor which doesn't have the NavFlattened flag. + + ImGuiWindow* NavLastChildNavWindow; // When going to the menu bar, we remember the child window we came from. (This could probably be made implicit if we kept g.Windows sorted by last focused including child window.) + ImGuiID NavLastIds[ImGuiNavLayer_COUNT]; // Last known NavId for this window, per layer (0/1) + ImRect NavRectRel[ImGuiNavLayer_COUNT]; // Reference rectangle, in window relative space + + bool MemoryCompacted; + int MemoryDrawListIdxCapacity; + int MemoryDrawListVtxCapacity; + +public: + ImGuiWindow(ImGuiContext* context, const char* name); + ~ImGuiWindow(); + + ImGuiID GetID(const char* str, const char* str_end = NULL); + ImGuiID GetID(const void* ptr); + ImGuiID GetID(int n); + ImGuiID GetIDNoKeepAlive(const char* str, const char* str_end = NULL); + ImGuiID GetIDNoKeepAlive(const void* ptr); + ImGuiID GetIDNoKeepAlive(int n); + ImGuiID GetIDFromRectangle(const ImRect& r_abs); + + // We don't use g.FontSize because the window may be != g.CurrentWidow. + ImRect Rect() const { return ImRect(Pos.x, Pos.y, Pos.x+Size.x, Pos.y+Size.y); } + float CalcFontSize() const { ImGuiContext& g = *GImGui; float scale = g.FontBaseSize * FontWindowScale; if (ParentWindow) scale *= ParentWindow->FontWindowScale; return scale; } + float TitleBarHeight() const { ImGuiContext& g = *GImGui; return (Flags & ImGuiWindowFlags_NoTitleBar) ? 0.0f : CalcFontSize() + g.Style.FramePadding.y * 2.0f; } + ImRect TitleBarRect() const { return ImRect(Pos, ImVec2(Pos.x + SizeFull.x, Pos.y + TitleBarHeight())); } + float MenuBarHeight() const { ImGuiContext& g = *GImGui; return (Flags & ImGuiWindowFlags_MenuBar) ? DC.MenuBarOffset.y + CalcFontSize() + g.Style.FramePadding.y * 2.0f : 0.0f; } + ImRect MenuBarRect() const { float y1 = Pos.y + TitleBarHeight(); return ImRect(Pos.x, y1, Pos.x + SizeFull.x, y1 + MenuBarHeight()); } +}; + +// Backup and restore just enough data to be able to use IsItemHovered() on item A after another B in the same window has overwritten the data. +struct ImGuiItemHoveredDataBackup +{ + ImGuiID LastItemId; + ImGuiItemStatusFlags LastItemStatusFlags; + ImRect LastItemRect; + ImRect LastItemDisplayRect; + + ImGuiItemHoveredDataBackup() { Backup(); } + void Backup() { ImGuiWindow* window = GImGui->CurrentWindow; LastItemId = window->DC.LastItemId; LastItemStatusFlags = window->DC.LastItemStatusFlags; LastItemRect = window->DC.LastItemRect; LastItemDisplayRect = window->DC.LastItemDisplayRect; } + void Restore() const { ImGuiWindow* window = GImGui->CurrentWindow; window->DC.LastItemId = LastItemId; window->DC.LastItemStatusFlags = LastItemStatusFlags; window->DC.LastItemRect = LastItemRect; window->DC.LastItemDisplayRect = LastItemDisplayRect; } +}; + +//----------------------------------------------------------------------------- +// Tab bar, tab item +//----------------------------------------------------------------------------- + +// Extend ImGuiTabBarFlags_ +enum ImGuiTabBarFlagsPrivate_ +{ + ImGuiTabBarFlags_DockNode = 1 << 20, // Part of a dock node [we don't use this in the master branch but it facilitate branch syncing to keep this around] + ImGuiTabBarFlags_IsFocused = 1 << 21, + ImGuiTabBarFlags_SaveSettings = 1 << 22 // FIXME: Settings are handled by the docking system, this only request the tab bar to mark settings dirty when reordering tabs +}; + +// Extend ImGuiTabItemFlags_ +enum ImGuiTabItemFlagsPrivate_ +{ + ImGuiTabItemFlags_NoCloseButton = 1 << 20 // Track whether p_open was set or not (we'll need this info on the next frame to recompute ContentWidth during layout) +}; + +// Storage for one active tab item (sizeof() 26~32 bytes) +struct ImGuiTabItem +{ + ImGuiID ID; + ImGuiTabItemFlags Flags; + int LastFrameVisible; + int LastFrameSelected; // This allows us to infer an ordered list of the last activated tabs with little maintenance + int NameOffset; // When Window==NULL, offset to name within parent ImGuiTabBar::TabsNames + float Offset; // Position relative to beginning of tab + float Width; // Width currently displayed + float ContentWidth; // Width of actual contents, stored during BeginTabItem() call + + ImGuiTabItem() { ID = 0; Flags = ImGuiTabItemFlags_None; LastFrameVisible = LastFrameSelected = -1; NameOffset = -1; Offset = Width = ContentWidth = 0.0f; } +}; + +// Storage for a tab bar (sizeof() 92~96 bytes) +struct ImGuiTabBar +{ + ImVector Tabs; + ImGuiID ID; // Zero for tab-bars used by docking + ImGuiID SelectedTabId; // Selected tab/window + ImGuiID NextSelectedTabId; + ImGuiID VisibleTabId; // Can occasionally be != SelectedTabId (e.g. when previewing contents for CTRL+TAB preview) + int CurrFrameVisible; + int PrevFrameVisible; + ImRect BarRect; + float LastTabContentHeight; // Record the height of contents submitted below the tab bar + float OffsetMax; // Distance from BarRect.Min.x, locked during layout + float OffsetMaxIdeal; // Ideal offset if all tabs were visible and not clipped + float OffsetNextTab; // Distance from BarRect.Min.x, incremented with each BeginTabItem() call, not used if ImGuiTabBarFlags_Reorderable if set. + float ScrollingAnim; + float ScrollingTarget; + float ScrollingTargetDistToVisibility; + float ScrollingSpeed; + ImGuiTabBarFlags Flags; + ImGuiID ReorderRequestTabId; + ImS8 ReorderRequestDir; + bool WantLayout; + bool VisibleTabWasSubmitted; + short LastTabItemIdx; // For BeginTabItem()/EndTabItem() + ImVec2 FramePadding; // style.FramePadding locked at the time of BeginTabBar() + ImGuiTextBuffer TabsNames; // For non-docking tab bar we re-append names in a contiguous buffer. + + ImGuiTabBar(); + int GetTabOrder(const ImGuiTabItem* tab) const { return Tabs.index_from_ptr(tab); } + const char* GetTabName(const ImGuiTabItem* tab) const + { + IM_ASSERT(tab->NameOffset != -1 && tab->NameOffset < TabsNames.Buf.Size); + return TabsNames.Buf.Data + tab->NameOffset; + } +}; + +//----------------------------------------------------------------------------- +// Internal API +// No guarantee of forward compatibility here. +//----------------------------------------------------------------------------- + +namespace ImGui +{ + // Windows + // We should always have a CurrentWindow in the stack (there is an implicit "Debug" window) + // If this ever crash because g.CurrentWindow is NULL it means that either + // - ImGui::NewFrame() has never been called, which is illegal. + // - You are calling ImGui functions after ImGui::EndFrame()/ImGui::Render() and before the next ImGui::NewFrame(), which is also illegal. + inline ImGuiWindow* GetCurrentWindowRead() { ImGuiContext& g = *GImGui; return g.CurrentWindow; } + inline ImGuiWindow* GetCurrentWindow() { ImGuiContext& g = *GImGui; g.CurrentWindow->WriteAccessed = true; return g.CurrentWindow; } + IMGUI_API ImGuiWindow* FindWindowByID(ImGuiID id); + IMGUI_API ImGuiWindow* FindWindowByName(const char* name); + IMGUI_API void UpdateWindowParentAndRootLinks(ImGuiWindow* window, ImGuiWindowFlags flags, ImGuiWindow* parent_window); + IMGUI_API ImVec2 CalcWindowExpectedSize(ImGuiWindow* window); + IMGUI_API bool IsWindowChildOf(ImGuiWindow* window, ImGuiWindow* potential_parent); + IMGUI_API bool IsWindowNavFocusable(ImGuiWindow* window); + IMGUI_API ImRect GetWindowAllowedExtentRect(ImGuiWindow* window); + IMGUI_API void SetWindowPos(ImGuiWindow* window, const ImVec2& pos, ImGuiCond cond = 0); + IMGUI_API void SetWindowSize(ImGuiWindow* window, const ImVec2& size, ImGuiCond cond = 0); + IMGUI_API void SetWindowCollapsed(ImGuiWindow* window, bool collapsed, ImGuiCond cond = 0); + + // Windows: Display Order and Focus Order + IMGUI_API void FocusWindow(ImGuiWindow* window); + IMGUI_API void FocusTopMostWindowUnderOne(ImGuiWindow* under_this_window, ImGuiWindow* ignore_window); + IMGUI_API void BringWindowToFocusFront(ImGuiWindow* window); + IMGUI_API void BringWindowToDisplayFront(ImGuiWindow* window); + IMGUI_API void BringWindowToDisplayBack(ImGuiWindow* window); + + // Fonts, drawing + IMGUI_API void SetCurrentFont(ImFont* font); + inline ImFont* GetDefaultFont() { ImGuiContext& g = *GImGui; return g.IO.FontDefault ? g.IO.FontDefault : g.IO.Fonts->Fonts[0]; } + inline ImDrawList* GetForegroundDrawList(ImGuiWindow* window) { IM_UNUSED(window); ImGuiContext& g = *GImGui; return &g.ForegroundDrawList; } // This seemingly unnecessary wrapper simplifies compatibility between the 'master' and 'docking' branches. + + // Init + IMGUI_API void Initialize(ImGuiContext* context); + IMGUI_API void Shutdown(ImGuiContext* context); // Since 1.60 this is a _private_ function. You can call DestroyContext() to destroy the context created by CreateContext(). + + // NewFrame + IMGUI_API void UpdateHoveredWindowAndCaptureFlags(); + IMGUI_API void StartMouseMovingWindow(ImGuiWindow* window); + IMGUI_API void UpdateMouseMovingWindowNewFrame(); + IMGUI_API void UpdateMouseMovingWindowEndFrame(); + + // Settings + IMGUI_API void MarkIniSettingsDirty(); + IMGUI_API void MarkIniSettingsDirty(ImGuiWindow* window); + IMGUI_API ImGuiWindowSettings* CreateNewWindowSettings(const char* name); + IMGUI_API ImGuiWindowSettings* FindWindowSettings(ImGuiID id); + IMGUI_API ImGuiWindowSettings* FindOrCreateWindowSettings(const char* name); + IMGUI_API ImGuiSettingsHandler* FindSettingsHandler(const char* type_name); + + // Scrolling + IMGUI_API void SetScrollX(ImGuiWindow* window, float new_scroll_x); + IMGUI_API void SetScrollY(ImGuiWindow* window, float new_scroll_y); + IMGUI_API void SetScrollFromPosX(ImGuiWindow* window, float local_x, float center_x_ratio = 0.5f); + IMGUI_API void SetScrollFromPosY(ImGuiWindow* window, float local_y, float center_y_ratio = 0.5f); + IMGUI_API ImVec2 ScrollToBringRectIntoView(ImGuiWindow* window, const ImRect& item_rect); + + // Basic Accessors + inline ImGuiID GetItemID() { ImGuiContext& g = *GImGui; return g.CurrentWindow->DC.LastItemId; } + inline ImGuiItemStatusFlags GetItemStatusFlags() { ImGuiContext& g = *GImGui; return g.CurrentWindow->DC.LastItemStatusFlags; } + inline ImGuiID GetActiveID() { ImGuiContext& g = *GImGui; return g.ActiveId; } + inline ImGuiID GetFocusID() { ImGuiContext& g = *GImGui; return g.NavId; } + IMGUI_API void SetActiveID(ImGuiID id, ImGuiWindow* window); + IMGUI_API void SetFocusID(ImGuiID id, ImGuiWindow* window); + IMGUI_API void ClearActiveID(); + IMGUI_API ImGuiID GetHoveredID(); + IMGUI_API void SetHoveredID(ImGuiID id); + IMGUI_API void KeepAliveID(ImGuiID id); + IMGUI_API void MarkItemEdited(ImGuiID id); // Mark data associated to given item as "edited", used by IsItemDeactivatedAfterEdit() function. + IMGUI_API void PushOverrideID(ImGuiID id); // Push given value at the top of the ID stack (whereas PushID combines old and new hashes) + + // Basic Helpers for widget code + IMGUI_API void ItemSize(const ImVec2& size, float text_baseline_y = -1.0f); + IMGUI_API void ItemSize(const ImRect& bb, float text_baseline_y = -1.0f); + IMGUI_API bool ItemAdd(const ImRect& bb, ImGuiID id, const ImRect* nav_bb = NULL); + IMGUI_API bool ItemHoverable(const ImRect& bb, ImGuiID id); + IMGUI_API bool IsClippedEx(const ImRect& bb, ImGuiID id, bool clip_even_when_logged); + IMGUI_API bool FocusableItemRegister(ImGuiWindow* window, ImGuiID id); // Return true if focus is requested + IMGUI_API void FocusableItemUnregister(ImGuiWindow* window); + IMGUI_API ImVec2 CalcItemSize(ImVec2 size, float default_w, float default_h); + IMGUI_API float CalcWrapWidthForPos(const ImVec2& pos, float wrap_pos_x); + IMGUI_API void PushMultiItemsWidths(int components, float width_full); + IMGUI_API void PushItemFlag(ImGuiItemFlags option, bool enabled); + IMGUI_API void PopItemFlag(); + IMGUI_API bool IsItemToggledSelection(); // Was the last item selection toggled? (after Selectable(), TreeNode() etc. We only returns toggle _event_ in order to handle clipping correctly) + IMGUI_API ImVec2 GetContentRegionMaxAbs(); + IMGUI_API void ShrinkWidths(ImGuiShrinkWidthItem* items, int count, float width_excess); + + // Logging/Capture + IMGUI_API void LogBegin(ImGuiLogType type, int auto_open_depth); // -> BeginCapture() when we design v2 api, for now stay under the radar by using the old name. + IMGUI_API void LogToBuffer(int auto_open_depth = -1); // Start logging/capturing to internal buffer + + // Popups, Modals, Tooltips + IMGUI_API bool BeginChildEx(const char* name, ImGuiID id, const ImVec2& size_arg, bool border, ImGuiWindowFlags flags); + IMGUI_API void OpenPopupEx(ImGuiID id); + IMGUI_API void ClosePopupToLevel(int remaining, bool restore_focus_to_window_under_popup); + IMGUI_API void ClosePopupsOverWindow(ImGuiWindow* ref_window, bool restore_focus_to_window_under_popup); + IMGUI_API bool IsPopupOpen(ImGuiID id); // Test for id within current popup stack level (currently begin-ed into); this doesn't scan the whole popup stack! + IMGUI_API bool BeginPopupEx(ImGuiID id, ImGuiWindowFlags extra_flags); + IMGUI_API void BeginTooltipEx(ImGuiWindowFlags extra_flags, ImGuiTooltipFlags tooltip_flags); + IMGUI_API ImGuiWindow* GetTopMostPopupModal(); + IMGUI_API ImVec2 FindBestWindowPosForPopup(ImGuiWindow* window); + IMGUI_API ImVec2 FindBestWindowPosForPopupEx(const ImVec2& ref_pos, const ImVec2& size, ImGuiDir* last_dir, const ImRect& r_outer, const ImRect& r_avoid, ImGuiPopupPositionPolicy policy = ImGuiPopupPositionPolicy_Default); + + // Navigation + IMGUI_API void NavInitWindow(ImGuiWindow* window, bool force_reinit); + IMGUI_API bool NavMoveRequestButNoResultYet(); + IMGUI_API void NavMoveRequestCancel(); + IMGUI_API void NavMoveRequestForward(ImGuiDir move_dir, ImGuiDir clip_dir, const ImRect& bb_rel, ImGuiNavMoveFlags move_flags); + IMGUI_API void NavMoveRequestTryWrapping(ImGuiWindow* window, ImGuiNavMoveFlags move_flags); + IMGUI_API float GetNavInputAmount(ImGuiNavInput n, ImGuiInputReadMode mode); + IMGUI_API ImVec2 GetNavInputAmount2d(ImGuiNavDirSourceFlags dir_sources, ImGuiInputReadMode mode, float slow_factor = 0.0f, float fast_factor = 0.0f); + IMGUI_API int CalcTypematicRepeatAmount(float t0, float t1, float repeat_delay, float repeat_rate); + IMGUI_API void ActivateItem(ImGuiID id); // Remotely activate a button, checkbox, tree node etc. given its unique ID. activation is queued and processed on the next frame when the item is encountered again. + IMGUI_API void SetNavID(ImGuiID id, int nav_layer, ImGuiID focus_scope_id); + IMGUI_API void SetNavIDWithRectRel(ImGuiID id, int nav_layer, ImGuiID focus_scope_id, const ImRect& rect_rel); + + // Focus scope (WIP) + IMGUI_API void PushFocusScope(ImGuiID id); // Note: this is storing in same stack as IDStack, so Push/Pop mismatch will be reported there. + IMGUI_API void PopFocusScope(); + inline ImGuiID GetFocusScopeID() { ImGuiContext& g = *GImGui; return g.NavFocusScopeId; } + + // Inputs + // FIXME: Eventually we should aim to move e.g. IsActiveIdUsingKey() into IsKeyXXX functions. + inline bool IsActiveIdUsingNavDir(ImGuiDir dir) { ImGuiContext& g = *GImGui; return (g.ActiveIdUsingNavDirMask & (1 << dir)) != 0; } + inline bool IsActiveIdUsingNavInput(ImGuiNavInput input) { ImGuiContext& g = *GImGui; return (g.ActiveIdUsingNavInputMask & (1 << input)) != 0; } + inline bool IsActiveIdUsingKey(ImGuiKey key) { ImGuiContext& g = *GImGui; IM_ASSERT(key < 64); return (g.ActiveIdUsingKeyInputMask & ((ImU64)1 << key)) != 0; } + IMGUI_API bool IsMouseDragPastThreshold(ImGuiMouseButton button, float lock_threshold = -1.0f); + inline bool IsKeyPressedMap(ImGuiKey key, bool repeat = true) { ImGuiContext& g = *GImGui; const int key_index = g.IO.KeyMap[key]; return (key_index >= 0) ? IsKeyPressed(key_index, repeat) : false; } + inline bool IsNavInputDown(ImGuiNavInput n) { ImGuiContext& g = *GImGui; return g.IO.NavInputs[n] > 0.0f; } + inline bool IsNavInputTest(ImGuiNavInput n, ImGuiInputReadMode rm) { return (GetNavInputAmount(n, rm) > 0.0f); } + + // Drag and Drop + IMGUI_API bool BeginDragDropTargetCustom(const ImRect& bb, ImGuiID id); + IMGUI_API void ClearDragDrop(); + IMGUI_API bool IsDragDropPayloadBeingAccepted(); + + // Internal Columns API (this is not exposed because we will encourage transitioning to the Tables api) + IMGUI_API void BeginColumns(const char* str_id, int count, ImGuiColumnsFlags flags = 0); // setup number of columns. use an identifier to distinguish multiple column sets. close with EndColumns(). + IMGUI_API void EndColumns(); // close columns + IMGUI_API void PushColumnClipRect(int column_index); + IMGUI_API void PushColumnsBackground(); + IMGUI_API void PopColumnsBackground(); + IMGUI_API ImGuiID GetColumnsID(const char* str_id, int count); + IMGUI_API ImGuiColumns* FindOrCreateColumns(ImGuiWindow* window, ImGuiID id); + IMGUI_API float GetColumnOffsetFromNorm(const ImGuiColumns* columns, float offset_norm); + IMGUI_API float GetColumnNormFromOffset(const ImGuiColumns* columns, float offset); + + // Tab Bars + IMGUI_API bool BeginTabBarEx(ImGuiTabBar* tab_bar, const ImRect& bb, ImGuiTabBarFlags flags); + IMGUI_API ImGuiTabItem* TabBarFindTabByID(ImGuiTabBar* tab_bar, ImGuiID tab_id); + IMGUI_API void TabBarRemoveTab(ImGuiTabBar* tab_bar, ImGuiID tab_id); + IMGUI_API void TabBarCloseTab(ImGuiTabBar* tab_bar, ImGuiTabItem* tab); + IMGUI_API void TabBarQueueChangeTabOrder(ImGuiTabBar* tab_bar, const ImGuiTabItem* tab, int dir); + IMGUI_API bool TabItemEx(ImGuiTabBar* tab_bar, const char* label, bool* p_open, ImGuiTabItemFlags flags); + IMGUI_API ImVec2 TabItemCalcSize(const char* label, bool has_close_button); + IMGUI_API void TabItemBackground(ImDrawList* draw_list, const ImRect& bb, ImGuiTabItemFlags flags, ImU32 col); + IMGUI_API bool TabItemLabelAndCloseButton(ImDrawList* draw_list, const ImRect& bb, ImGuiTabItemFlags flags, ImVec2 frame_padding, const char* label, ImGuiID tab_id, ImGuiID close_button_id); + + // Render helpers + // AVOID USING OUTSIDE OF IMGUI.CPP! NOT FOR PUBLIC CONSUMPTION. THOSE FUNCTIONS ARE A MESS. THEIR SIGNATURE AND BEHAVIOR WILL CHANGE, THEY NEED TO BE REFACTORED INTO SOMETHING DECENT. + // NB: All position are in absolute pixels coordinates (we are never using window coordinates internally) + IMGUI_API void RenderText(ImVec2 pos, const char* text, const char* text_end = NULL, bool hide_text_after_hash = true); + IMGUI_API void RenderTextWrapped(ImVec2 pos, const char* text, const char* text_end, float wrap_width); + IMGUI_API void RenderTextClipped(const ImVec2& pos_min, const ImVec2& pos_max, const char* text, const char* text_end, const ImVec2* text_size_if_known, const ImVec2& align = ImVec2(0,0), const ImRect* clip_rect = NULL); + IMGUI_API void RenderTextClippedEx(ImDrawList* draw_list, const ImVec2& pos_min, const ImVec2& pos_max, const char* text, const char* text_end, const ImVec2* text_size_if_known, const ImVec2& align = ImVec2(0, 0), const ImRect* clip_rect = NULL); + IMGUI_API void RenderTextEllipsis(ImDrawList* draw_list, const ImVec2& pos_min, const ImVec2& pos_max, float clip_max_x, float ellipsis_max_x, const char* text, const char* text_end, const ImVec2* text_size_if_known); + IMGUI_API void RenderFrame(ImVec2 p_min, ImVec2 p_max, ImU32 fill_col, bool border = true, float rounding = 0.0f); + IMGUI_API void RenderFrameBorder(ImVec2 p_min, ImVec2 p_max, float rounding = 0.0f); + IMGUI_API void RenderColorRectWithAlphaCheckerboard(ImDrawList* draw_list, ImVec2 p_min, ImVec2 p_max, ImU32 fill_col, float grid_step, ImVec2 grid_off, float rounding = 0.0f, int rounding_corners_flags = ~0); + IMGUI_API void RenderNavHighlight(const ImRect& bb, ImGuiID id, ImGuiNavHighlightFlags flags = ImGuiNavHighlightFlags_TypeDefault); // Navigation highlight + IMGUI_API const char* FindRenderedTextEnd(const char* text, const char* text_end = NULL); // Find the optional ## from which we stop displaying text. + IMGUI_API void LogRenderedText(const ImVec2* ref_pos, const char* text, const char* text_end = NULL); + + // Render helpers (those functions don't access any ImGui state!) + IMGUI_API void RenderArrow(ImDrawList* draw_list, ImVec2 pos, ImU32 col, ImGuiDir dir, float scale = 1.0f); + IMGUI_API void RenderBullet(ImDrawList* draw_list, ImVec2 pos, ImU32 col); + IMGUI_API void RenderCheckMark(ImDrawList* draw_list, ImVec2 pos, ImU32 col, float sz); + IMGUI_API void RenderMouseCursor(ImDrawList* draw_list, ImVec2 pos, float scale, ImGuiMouseCursor mouse_cursor, ImU32 col_fill, ImU32 col_border, ImU32 col_shadow); + IMGUI_API void RenderArrowPointingAt(ImDrawList* draw_list, ImVec2 pos, ImVec2 half_sz, ImGuiDir direction, ImU32 col); + IMGUI_API void RenderRectFilledRangeH(ImDrawList* draw_list, const ImRect& rect, ImU32 col, float x_start_norm, float x_end_norm, float rounding); + +#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS + // [1.71: 2019/06/07: Updating prototypes of some of the internal functions. Leaving those for reference for a short while] + inline void RenderArrow(ImVec2 pos, ImGuiDir dir, float scale=1.0f) { ImGuiWindow* window = GetCurrentWindow(); RenderArrow(window->DrawList, pos, GetColorU32(ImGuiCol_Text), dir, scale); } + inline void RenderBullet(ImVec2 pos) { ImGuiWindow* window = GetCurrentWindow(); RenderBullet(window->DrawList, pos, GetColorU32(ImGuiCol_Text)); } +#endif + + // Widgets + IMGUI_API void TextEx(const char* text, const char* text_end = NULL, ImGuiTextFlags flags = 0); + IMGUI_API bool ButtonEx(const char* label, const ImVec2& size_arg = ImVec2(0,0), ImGuiButtonFlags flags = 0); + IMGUI_API bool CloseButton(ImGuiID id, const ImVec2& pos); + IMGUI_API bool CollapseButton(ImGuiID id, const ImVec2& pos); + IMGUI_API bool ArrowButtonEx(const char* str_id, ImGuiDir dir, ImVec2 size_arg, ImGuiButtonFlags flags = 0); + IMGUI_API void Scrollbar(ImGuiAxis axis); + IMGUI_API bool ScrollbarEx(const ImRect& bb, ImGuiID id, ImGuiAxis axis, float* p_scroll_v, float avail_v, float contents_v, ImDrawCornerFlags rounding_corners); + IMGUI_API ImGuiID GetWindowScrollbarID(ImGuiWindow* window, ImGuiAxis axis); + IMGUI_API ImGuiID GetWindowResizeID(ImGuiWindow* window, int n); // 0..3: corners, 4..7: borders + IMGUI_API void SeparatorEx(ImGuiSeparatorFlags flags); + + // Widgets low-level behaviors + IMGUI_API bool ButtonBehavior(const ImRect& bb, ImGuiID id, bool* out_hovered, bool* out_held, ImGuiButtonFlags flags = 0); + IMGUI_API bool DragBehavior(ImGuiID id, ImGuiDataType data_type, void* p_v, float v_speed, const void* p_min, const void* p_max, const char* format, float power, ImGuiDragFlags flags); + IMGUI_API bool SliderBehavior(const ImRect& bb, ImGuiID id, ImGuiDataType data_type, void* p_v, const void* p_min, const void* p_max, const char* format, float power, ImGuiSliderFlags flags, ImRect* out_grab_bb); + IMGUI_API bool SplitterBehavior(const ImRect& bb, ImGuiID id, ImGuiAxis axis, float* size1, float* size2, float min_size1, float min_size2, float hover_extend = 0.0f, float hover_visibility_delay = 0.0f); + IMGUI_API bool TreeNodeBehavior(ImGuiID id, ImGuiTreeNodeFlags flags, const char* label, const char* label_end = NULL); + IMGUI_API bool TreeNodeBehaviorIsOpen(ImGuiID id, ImGuiTreeNodeFlags flags = 0); // Consume previous SetNextItemOpen() data, if any. May return true when logging + IMGUI_API void TreePushOverrideID(ImGuiID id); + + // Template functions are instantiated in imgui_widgets.cpp for a finite number of types. + // To use them externally (for custom widget) you may need an "extern template" statement in your code in order to link to existing instances and silence Clang warnings (see #2036). + // e.g. " extern template IMGUI_API float RoundScalarWithFormatT(const char* format, ImGuiDataType data_type, float v); " + template IMGUI_API bool DragBehaviorT(ImGuiDataType data_type, T* v, float v_speed, T v_min, T v_max, const char* format, float power, ImGuiDragFlags flags); + template IMGUI_API bool SliderBehaviorT(const ImRect& bb, ImGuiID id, ImGuiDataType data_type, T* v, T v_min, T v_max, const char* format, float power, ImGuiSliderFlags flags, ImRect* out_grab_bb); + template IMGUI_API float SliderCalcRatioFromValueT(ImGuiDataType data_type, T v, T v_min, T v_max, float power, float linear_zero_pos); + template IMGUI_API T RoundScalarWithFormatT(const char* format, ImGuiDataType data_type, T v); + + // Data type helpers + IMGUI_API const ImGuiDataTypeInfo* DataTypeGetInfo(ImGuiDataType data_type); + IMGUI_API int DataTypeFormatString(char* buf, int buf_size, ImGuiDataType data_type, const void* p_data, const char* format); + IMGUI_API void DataTypeApplyOp(ImGuiDataType data_type, int op, void* output, void* arg_1, const void* arg_2); + IMGUI_API bool DataTypeApplyOpFromText(const char* buf, const char* initial_value_buf, ImGuiDataType data_type, void* p_data, const char* format); + + // InputText + IMGUI_API bool InputTextEx(const char* label, const char* hint, char* buf, int buf_size, const ImVec2& size_arg, ImGuiInputTextFlags flags, ImGuiInputTextCallback callback = NULL, void* user_data = NULL); + IMGUI_API bool TempInputText(const ImRect& bb, ImGuiID id, const char* label, char* buf, int buf_size, ImGuiInputTextFlags flags); + IMGUI_API bool TempInputScalar(const ImRect& bb, ImGuiID id, const char* label, ImGuiDataType data_type, void* p_data, const char* format); + inline bool TempInputIsActive(ImGuiID id) { ImGuiContext& g = *GImGui; return (g.ActiveId == id && g.TempInputId == id); } + inline ImGuiInputTextState* GetInputTextState(ImGuiID id) { ImGuiContext& g = *GImGui; return (g.InputTextState.ID == id) ? &g.InputTextState : NULL; } // Get input text state if active + + // Color + IMGUI_API void ColorTooltip(const char* text, const float* col, ImGuiColorEditFlags flags); + IMGUI_API void ColorEditOptionsPopup(const float* col, ImGuiColorEditFlags flags); + IMGUI_API void ColorPickerOptionsPopup(const float* ref_col, ImGuiColorEditFlags flags); + + // Plot + IMGUI_API void PlotEx(ImGuiPlotType plot_type, const char* label, float (*values_getter)(void* data, int idx), void* data, int values_count, int values_offset, const char* overlay_text, float scale_min, float scale_max, ImVec2 frame_size); + + // Shade functions (write over already created vertices) + IMGUI_API void ShadeVertsLinearColorGradientKeepAlpha(ImDrawList* draw_list, int vert_start_idx, int vert_end_idx, ImVec2 gradient_p0, ImVec2 gradient_p1, ImU32 col0, ImU32 col1); + IMGUI_API void ShadeVertsLinearUV(ImDrawList* draw_list, int vert_start_idx, int vert_end_idx, const ImVec2& a, const ImVec2& b, const ImVec2& uv_a, const ImVec2& uv_b, bool clamp); + + // Garbage collection + IMGUI_API void GcCompactTransientWindowBuffers(ImGuiWindow* window); + IMGUI_API void GcAwakeTransientWindowBuffers(ImGuiWindow* window); + + // Debug Tools + inline void DebugDrawItemRect(ImU32 col = IM_COL32(255,0,0,255)) { ImGuiContext& g = *GImGui; ImGuiWindow* window = g.CurrentWindow; GetForegroundDrawList(window)->AddRect(window->DC.LastItemRect.Min, window->DC.LastItemRect.Max, col); } + inline void DebugStartItemPicker() { ImGuiContext& g = *GImGui; g.DebugItemPickerActive = true; } + +} // namespace ImGui + +// ImFontAtlas internals +IMGUI_API bool ImFontAtlasBuildWithStbTruetype(ImFontAtlas* atlas); +IMGUI_API void ImFontAtlasBuildInit(ImFontAtlas* atlas); +IMGUI_API void ImFontAtlasBuildSetupFont(ImFontAtlas* atlas, ImFont* font, ImFontConfig* font_config, float ascent, float descent); +IMGUI_API void ImFontAtlasBuildPackCustomRects(ImFontAtlas* atlas, void* stbrp_context_opaque); +IMGUI_API void ImFontAtlasBuildFinish(ImFontAtlas* atlas); +IMGUI_API void ImFontAtlasBuildMultiplyCalcLookupTable(unsigned char out_table[256], float in_multiply_factor); +IMGUI_API void ImFontAtlasBuildMultiplyRectAlpha8(const unsigned char table[256], unsigned char* pixels, int x, int y, int w, int h, int stride); + +// Debug Tools +// Use 'Metrics->Tools->Item Picker' to break into the call-stack of a specific item. +#ifndef IM_DEBUG_BREAK +#if defined(__clang__) +#define IM_DEBUG_BREAK() __builtin_debugtrap() +#elif defined (_MSC_VER) +#define IM_DEBUG_BREAK() __debugbreak() +#else +#define IM_DEBUG_BREAK() IM_ASSERT(0) // It is expected that you define IM_DEBUG_BREAK() into something that will break nicely in a debugger! +#endif +#endif // #ifndef IM_DEBUG_BREAK + +// Test Engine Hooks (imgui_tests) +//#define IMGUI_ENABLE_TEST_ENGINE +#ifdef IMGUI_ENABLE_TEST_ENGINE +extern void ImGuiTestEngineHook_PreNewFrame(ImGuiContext* ctx); +extern void ImGuiTestEngineHook_PostNewFrame(ImGuiContext* ctx); +extern void ImGuiTestEngineHook_ItemAdd(ImGuiContext* ctx, const ImRect& bb, ImGuiID id); +extern void ImGuiTestEngineHook_ItemInfo(ImGuiContext* ctx, ImGuiID id, const char* label, ImGuiItemStatusFlags flags); +extern void ImGuiTestEngineHook_Log(ImGuiContext* ctx, const char* fmt, ...); +#define IMGUI_TEST_ENGINE_ITEM_ADD(_BB, _ID) ImGuiTestEngineHook_ItemAdd(&g, _BB, _ID) // Register item bounding box +#define IMGUI_TEST_ENGINE_ITEM_INFO(_ID, _LABEL, _FLAGS) ImGuiTestEngineHook_ItemInfo(&g, _ID, _LABEL, _FLAGS) // Register item label and status flags (optional) +#define IMGUI_TEST_ENGINE_LOG(_FMT, ...) ImGuiTestEngineHook_Log(&g, _FMT, __VA_ARGS__) // Custom log entry from user land into test log +#else +#define IMGUI_TEST_ENGINE_ITEM_ADD(_BB, _ID) do { } while (0) +#define IMGUI_TEST_ENGINE_ITEM_INFO(_ID, _LABEL, _FLAGS) do { } while (0) +#define IMGUI_TEST_ENGINE_LOG(_FMT, ...) do { } while (0) +#endif + +#if defined(__clang__) +#pragma clang diagnostic pop +#elif defined(__GNUC__) +#pragma GCC diagnostic pop +#endif + +#ifdef _MSC_VER +#pragma warning (pop) +#endif + +#endif // #ifndef IMGUI_DISABLE diff --git a/imgui-submodule/imgui/imgui_widgets.cpp b/imgui-submodule/imgui/imgui_widgets.cpp new file mode 100644 index 0000000..938e94c --- /dev/null +++ b/imgui-submodule/imgui/imgui_widgets.cpp @@ -0,0 +1,7700 @@ +// dear imgui, v1.76 WIP +// (widgets code) + +/* + +Index of this file: + +// [SECTION] Forward Declarations +// [SECTION] Widgets: Text, etc. +// [SECTION] Widgets: Main (Button, Image, Checkbox, RadioButton, ProgressBar, Bullet, etc.) +// [SECTION] Widgets: Low-level Layout helpers (Spacing, Dummy, NewLine, Separator, etc.) +// [SECTION] Widgets: ComboBox +// [SECTION] Data Type and Data Formatting Helpers +// [SECTION] Widgets: DragScalar, DragFloat, DragInt, etc. +// [SECTION] Widgets: SliderScalar, SliderFloat, SliderInt, etc. +// [SECTION] Widgets: InputScalar, InputFloat, InputInt, etc. +// [SECTION] Widgets: InputText, InputTextMultiline +// [SECTION] Widgets: ColorEdit, ColorPicker, ColorButton, etc. +// [SECTION] Widgets: TreeNode, CollapsingHeader, etc. +// [SECTION] Widgets: Selectable +// [SECTION] Widgets: ListBox +// [SECTION] Widgets: PlotLines, PlotHistogram +// [SECTION] Widgets: Value helpers +// [SECTION] Widgets: MenuItem, BeginMenu, EndMenu, etc. +// [SECTION] Widgets: BeginTabBar, EndTabBar, etc. +// [SECTION] Widgets: BeginTabItem, EndTabItem, etc. +// [SECTION] Widgets: Columns, BeginColumns, EndColumns, etc. + +*/ + +#if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS) +#define _CRT_SECURE_NO_WARNINGS +#endif + +#include "imgui.h" +#ifndef IMGUI_DISABLE + +#ifndef IMGUI_DEFINE_MATH_OPERATORS +#define IMGUI_DEFINE_MATH_OPERATORS +#endif +#include "imgui_internal.h" + +#include // toupper +#if defined(_MSC_VER) && _MSC_VER <= 1500 // MSVC 2008 or earlier +#include // intptr_t +#else +#include // intptr_t +#endif + +// Visual Studio warnings +#ifdef _MSC_VER +#pragma warning (disable: 4127) // condition expression is constant +#pragma warning (disable: 4996) // 'This function or variable may be unsafe': strcpy, strdup, sprintf, vsnprintf, sscanf, fopen +#if defined(_MSC_VER) && _MSC_VER >= 1922 // MSVC 2019 16.2 or later +#pragma warning (disable: 5054) // operator '|': deprecated between enumerations of different types +#endif +#endif + +// Clang/GCC warnings with -Weverything +#if defined(__clang__) +#pragma clang diagnostic ignored "-Wold-style-cast" // warning : use of old-style cast // yes, they are more terse. +#pragma clang diagnostic ignored "-Wfloat-equal" // warning : comparing floating point with == or != is unsafe // storing and comparing against same constants (typically 0.0f) is ok. +#pragma clang diagnostic ignored "-Wformat-nonliteral" // warning : format string is not a string literal // passing non-literal to vsnformat(). yes, user passing incorrect format strings can crash the code. +#pragma clang diagnostic ignored "-Wsign-conversion" // warning : implicit conversion changes signedness // +#if __has_warning("-Wzero-as-null-pointer-constant") +#pragma clang diagnostic ignored "-Wzero-as-null-pointer-constant" // warning : zero as null pointer constant // some standard header variations use #define NULL 0 +#endif +#if __has_warning("-Wdouble-promotion") +#pragma clang diagnostic ignored "-Wdouble-promotion" // warning: implicit conversion from 'float' to 'double' when passing argument to function // using printf() is a misery with this as C++ va_arg ellipsis changes float to double. +#endif +#if __has_warning("-Wdeprecated-enum-enum-conversion") +#pragma clang diagnostic ignored "-Wdeprecated-enum-enum-conversion" // warning: bitwise operation between different enumeration types ('XXXFlags_' and 'XXXFlagsPrivate_') is deprecated +#endif +#elif defined(__GNUC__) +#pragma GCC diagnostic ignored "-Wpragmas" // warning: unknown option after '#pragma GCC diagnostic' kind +#pragma GCC diagnostic ignored "-Wformat-nonliteral" // warning: format not a string literal, format string not checked +#pragma GCC diagnostic ignored "-Wclass-memaccess" // [__GNUC__ >= 8] warning: 'memset/memcpy' clearing/writing an object of type 'xxxx' with no trivial copy-assignment; use assignment or value-initialization instead +#endif + +//------------------------------------------------------------------------- +// Data +//------------------------------------------------------------------------- + +// Those MIN/MAX values are not define because we need to point to them +static const signed char IM_S8_MIN = -128; +static const signed char IM_S8_MAX = 127; +static const unsigned char IM_U8_MIN = 0; +static const unsigned char IM_U8_MAX = 0xFF; +static const signed short IM_S16_MIN = -32768; +static const signed short IM_S16_MAX = 32767; +static const unsigned short IM_U16_MIN = 0; +static const unsigned short IM_U16_MAX = 0xFFFF; +static const ImS32 IM_S32_MIN = INT_MIN; // (-2147483647 - 1), (0x80000000); +static const ImS32 IM_S32_MAX = INT_MAX; // (2147483647), (0x7FFFFFFF) +static const ImU32 IM_U32_MIN = 0; +static const ImU32 IM_U32_MAX = UINT_MAX; // (0xFFFFFFFF) +#ifdef LLONG_MIN +static const ImS64 IM_S64_MIN = LLONG_MIN; // (-9223372036854775807ll - 1ll); +static const ImS64 IM_S64_MAX = LLONG_MAX; // (9223372036854775807ll); +#else +static const ImS64 IM_S64_MIN = -9223372036854775807LL - 1; +static const ImS64 IM_S64_MAX = 9223372036854775807LL; +#endif +static const ImU64 IM_U64_MIN = 0; +#ifdef ULLONG_MAX +static const ImU64 IM_U64_MAX = ULLONG_MAX; // (0xFFFFFFFFFFFFFFFFull); +#else +static const ImU64 IM_U64_MAX = (2ULL * 9223372036854775807LL + 1); +#endif + +//------------------------------------------------------------------------- +// [SECTION] Forward Declarations +//------------------------------------------------------------------------- + +// For InputTextEx() +static bool InputTextFilterCharacter(unsigned int* p_char, ImGuiInputTextFlags flags, ImGuiInputTextCallback callback, void* user_data); +static int InputTextCalcTextLenAndLineCount(const char* text_begin, const char** out_text_end); +static ImVec2 InputTextCalcTextSizeW(const ImWchar* text_begin, const ImWchar* text_end, const ImWchar** remaining = NULL, ImVec2* out_offset = NULL, bool stop_on_new_line = false); + +//------------------------------------------------------------------------- +// [SECTION] Widgets: Text, etc. +//------------------------------------------------------------------------- +// - TextEx() [Internal] +// - TextUnformatted() +// - Text() +// - TextV() +// - TextColored() +// - TextColoredV() +// - TextDisabled() +// - TextDisabledV() +// - TextWrapped() +// - TextWrappedV() +// - LabelText() +// - LabelTextV() +// - BulletText() +// - BulletTextV() +//------------------------------------------------------------------------- + +void ImGui::TextEx(const char* text, const char* text_end, ImGuiTextFlags flags) +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return; + + ImGuiContext& g = *GImGui; + IM_ASSERT(text != NULL); + const char* text_begin = text; + if (text_end == NULL) + text_end = text + strlen(text); // FIXME-OPT + + const ImVec2 text_pos(window->DC.CursorPos.x, window->DC.CursorPos.y + window->DC.CurrLineTextBaseOffset); + const float wrap_pos_x = window->DC.TextWrapPos; + const bool wrap_enabled = (wrap_pos_x >= 0.0f); + if (text_end - text > 2000 && !wrap_enabled) + { + // Long text! + // Perform manual coarse clipping to optimize for long multi-line text + // - From this point we will only compute the width of lines that are visible. Optimization only available when word-wrapping is disabled. + // - We also don't vertically center the text within the line full height, which is unlikely to matter because we are likely the biggest and only item on the line. + // - We use memchr(), pay attention that well optimized versions of those str/mem functions are much faster than a casually written loop. + const char* line = text; + const float line_height = GetTextLineHeight(); + ImVec2 text_size(0,0); + + // Lines to skip (can't skip when logging text) + ImVec2 pos = text_pos; + if (!g.LogEnabled) + { + int lines_skippable = (int)((window->ClipRect.Min.y - text_pos.y) / line_height); + if (lines_skippable > 0) + { + int lines_skipped = 0; + while (line < text_end && lines_skipped < lines_skippable) + { + const char* line_end = (const char*)memchr(line, '\n', text_end - line); + if (!line_end) + line_end = text_end; + if ((flags & ImGuiTextFlags_NoWidthForLargeClippedText) == 0) + text_size.x = ImMax(text_size.x, CalcTextSize(line, line_end).x); + line = line_end + 1; + lines_skipped++; + } + pos.y += lines_skipped * line_height; + } + } + + // Lines to render + if (line < text_end) + { + ImRect line_rect(pos, pos + ImVec2(FLT_MAX, line_height)); + while (line < text_end) + { + if (IsClippedEx(line_rect, 0, false)) + break; + + const char* line_end = (const char*)memchr(line, '\n', text_end - line); + if (!line_end) + line_end = text_end; + text_size.x = ImMax(text_size.x, CalcTextSize(line, line_end).x); + RenderText(pos, line, line_end, false); + line = line_end + 1; + line_rect.Min.y += line_height; + line_rect.Max.y += line_height; + pos.y += line_height; + } + + // Count remaining lines + int lines_skipped = 0; + while (line < text_end) + { + const char* line_end = (const char*)memchr(line, '\n', text_end - line); + if (!line_end) + line_end = text_end; + if ((flags & ImGuiTextFlags_NoWidthForLargeClippedText) == 0) + text_size.x = ImMax(text_size.x, CalcTextSize(line, line_end).x); + line = line_end + 1; + lines_skipped++; + } + pos.y += lines_skipped * line_height; + } + text_size.y = (pos - text_pos).y; + + ImRect bb(text_pos, text_pos + text_size); + ItemSize(text_size, 0.0f); + ItemAdd(bb, 0); + } + else + { + const float wrap_width = wrap_enabled ? CalcWrapWidthForPos(window->DC.CursorPos, wrap_pos_x) : 0.0f; + const ImVec2 text_size = CalcTextSize(text_begin, text_end, false, wrap_width); + + ImRect bb(text_pos, text_pos + text_size); + ItemSize(text_size, 0.0f); + if (!ItemAdd(bb, 0)) + return; + + // Render (we don't hide text after ## in this end-user function) + RenderTextWrapped(bb.Min, text_begin, text_end, wrap_width); + } +} + +void ImGui::TextUnformatted(const char* text, const char* text_end) +{ + TextEx(text, text_end, ImGuiTextFlags_NoWidthForLargeClippedText); +} + +void ImGui::Text(const char* fmt, ...) +{ + va_list args; + va_start(args, fmt); + TextV(fmt, args); + va_end(args); +} + +void ImGui::TextV(const char* fmt, va_list args) +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return; + + ImGuiContext& g = *GImGui; + const char* text_end = g.TempBuffer + ImFormatStringV(g.TempBuffer, IM_ARRAYSIZE(g.TempBuffer), fmt, args); + TextEx(g.TempBuffer, text_end, ImGuiTextFlags_NoWidthForLargeClippedText); +} + +void ImGui::TextColored(const ImVec4& col, const char* fmt, ...) +{ + va_list args; + va_start(args, fmt); + TextColoredV(col, fmt, args); + va_end(args); +} + +void ImGui::TextColoredV(const ImVec4& col, const char* fmt, va_list args) +{ + PushStyleColor(ImGuiCol_Text, col); + TextV(fmt, args); + PopStyleColor(); +} + +void ImGui::TextDisabled(const char* fmt, ...) +{ + va_list args; + va_start(args, fmt); + TextDisabledV(fmt, args); + va_end(args); +} + +void ImGui::TextDisabledV(const char* fmt, va_list args) +{ + PushStyleColor(ImGuiCol_Text, GImGui->Style.Colors[ImGuiCol_TextDisabled]); + TextV(fmt, args); + PopStyleColor(); +} + +void ImGui::TextWrapped(const char* fmt, ...) +{ + va_list args; + va_start(args, fmt); + TextWrappedV(fmt, args); + va_end(args); +} + +void ImGui::TextWrappedV(const char* fmt, va_list args) +{ + ImGuiWindow* window = GetCurrentWindow(); + bool need_backup = (window->DC.TextWrapPos < 0.0f); // Keep existing wrap position if one is already set + if (need_backup) + PushTextWrapPos(0.0f); + TextV(fmt, args); + if (need_backup) + PopTextWrapPos(); +} + +void ImGui::LabelText(const char* label, const char* fmt, ...) +{ + va_list args; + va_start(args, fmt); + LabelTextV(label, fmt, args); + va_end(args); +} + +// Add a label+text combo aligned to other label+value widgets +void ImGui::LabelTextV(const char* label, const char* fmt, va_list args) +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return; + + ImGuiContext& g = *GImGui; + const ImGuiStyle& style = g.Style; + const float w = CalcItemWidth(); + + const ImVec2 label_size = CalcTextSize(label, NULL, true); + const ImRect value_bb(window->DC.CursorPos, window->DC.CursorPos + ImVec2(w, label_size.y + style.FramePadding.y*2)); + const ImRect total_bb(window->DC.CursorPos, window->DC.CursorPos + ImVec2(w + (label_size.x > 0.0f ? style.ItemInnerSpacing.x : 0.0f), style.FramePadding.y*2) + label_size); + ItemSize(total_bb, style.FramePadding.y); + if (!ItemAdd(total_bb, 0)) + return; + + // Render + const char* value_text_begin = &g.TempBuffer[0]; + const char* value_text_end = value_text_begin + ImFormatStringV(g.TempBuffer, IM_ARRAYSIZE(g.TempBuffer), fmt, args); + RenderTextClipped(value_bb.Min, value_bb.Max, value_text_begin, value_text_end, NULL, ImVec2(0.0f,0.5f)); + if (label_size.x > 0.0f) + RenderText(ImVec2(value_bb.Max.x + style.ItemInnerSpacing.x, value_bb.Min.y + style.FramePadding.y), label); +} + +void ImGui::BulletText(const char* fmt, ...) +{ + va_list args; + va_start(args, fmt); + BulletTextV(fmt, args); + va_end(args); +} + +// Text with a little bullet aligned to the typical tree node. +void ImGui::BulletTextV(const char* fmt, va_list args) +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return; + + ImGuiContext& g = *GImGui; + const ImGuiStyle& style = g.Style; + + const char* text_begin = g.TempBuffer; + const char* text_end = text_begin + ImFormatStringV(g.TempBuffer, IM_ARRAYSIZE(g.TempBuffer), fmt, args); + const ImVec2 label_size = CalcTextSize(text_begin, text_end, false); + const ImVec2 total_size = ImVec2(g.FontSize + (label_size.x > 0.0f ? (label_size.x + style.FramePadding.x * 2) : 0.0f), label_size.y); // Empty text doesn't add padding + ImVec2 pos = window->DC.CursorPos; + pos.y += window->DC.CurrLineTextBaseOffset; + ItemSize(total_size, 0.0f); + const ImRect bb(pos, pos + total_size); + if (!ItemAdd(bb, 0)) + return; + + // Render + ImU32 text_col = GetColorU32(ImGuiCol_Text); + RenderBullet(window->DrawList, bb.Min + ImVec2(style.FramePadding.x + g.FontSize*0.5f, g.FontSize*0.5f), text_col); + RenderText(bb.Min + ImVec2(g.FontSize + style.FramePadding.x * 2, 0.0f), text_begin, text_end, false); +} + +//------------------------------------------------------------------------- +// [SECTION] Widgets: Main +//------------------------------------------------------------------------- +// - ButtonBehavior() [Internal] +// - Button() +// - SmallButton() +// - InvisibleButton() +// - ArrowButton() +// - CloseButton() [Internal] +// - CollapseButton() [Internal] +// - ScrollbarEx() [Internal] +// - Scrollbar() [Internal] +// - Image() +// - ImageButton() +// - Checkbox() +// - CheckboxFlags() +// - RadioButton() +// - ProgressBar() +// - Bullet() +//------------------------------------------------------------------------- + +// The ButtonBehavior() function is key to many interactions and used by many/most widgets. +// Because we handle so many cases (keyboard/gamepad navigation, drag and drop) and many specific behavior (via ImGuiButtonFlags_), +// this code is a little complex. +// By far the most common path is interacting with the Mouse using the default ImGuiButtonFlags_PressedOnClickRelease button behavior. +// See the series of events below and the corresponding state reported by dear imgui: +//------------------------------------------------------------------------------------------------------------------------------------------------ +// with PressedOnClickRelease: return-value IsItemHovered() IsItemActive() IsItemActivated() IsItemDeactivated() IsItemClicked() +// Frame N+0 (mouse is outside bb) - - - - - - +// Frame N+1 (mouse moves inside bb) - true - - - - +// Frame N+2 (mouse button is down) - true true true - true +// Frame N+3 (mouse button is down) - true true - - - +// Frame N+4 (mouse moves outside bb) - - true - - - +// Frame N+5 (mouse moves inside bb) - true true - - - +// Frame N+6 (mouse button is released) true true - - true - +// Frame N+7 (mouse button is released) - true - - - - +// Frame N+8 (mouse moves outside bb) - - - - - - +//------------------------------------------------------------------------------------------------------------------------------------------------ +// with PressedOnClick: return-value IsItemHovered() IsItemActive() IsItemActivated() IsItemDeactivated() IsItemClicked() +// Frame N+2 (mouse button is down) true true true true - true +// Frame N+3 (mouse button is down) - true true - - - +// Frame N+6 (mouse button is released) - true - - true - +// Frame N+7 (mouse button is released) - true - - - - +//------------------------------------------------------------------------------------------------------------------------------------------------ +// with PressedOnRelease: return-value IsItemHovered() IsItemActive() IsItemActivated() IsItemDeactivated() IsItemClicked() +// Frame N+2 (mouse button is down) - true - - - true +// Frame N+3 (mouse button is down) - true - - - - +// Frame N+6 (mouse button is released) true true - - - - +// Frame N+7 (mouse button is released) - true - - - - +//------------------------------------------------------------------------------------------------------------------------------------------------ +// with PressedOnDoubleClick: return-value IsItemHovered() IsItemActive() IsItemActivated() IsItemDeactivated() IsItemClicked() +// Frame N+0 (mouse button is down) - true - - - true +// Frame N+1 (mouse button is down) - true - - - - +// Frame N+2 (mouse button is released) - true - - - - +// Frame N+3 (mouse button is released) - true - - - - +// Frame N+4 (mouse button is down) true true true true - true +// Frame N+5 (mouse button is down) - true true - - - +// Frame N+6 (mouse button is released) - true - - true - +// Frame N+7 (mouse button is released) - true - - - - +//------------------------------------------------------------------------------------------------------------------------------------------------ +// Note that some combinations are supported, +// - PressedOnDragDropHold can generally be associated with any flag. +// - PressedOnDoubleClick can be associated by PressedOnClickRelease/PressedOnRelease, in which case the second release event won't be reported. +//------------------------------------------------------------------------------------------------------------------------------------------------ +// The behavior of the return-value changes when ImGuiButtonFlags_Repeat is set: +// Repeat+ Repeat+ Repeat+ Repeat+ +// PressedOnClickRelease PressedOnClick PressedOnRelease PressedOnDoubleClick +//------------------------------------------------------------------------------------------------------------------------------------------------- +// Frame N+0 (mouse button is down) - true - true +// ... - - - - +// Frame N + RepeatDelay true true - true +// ... - - - - +// Frame N + RepeatDelay + RepeatRate*N true true - true +//------------------------------------------------------------------------------------------------------------------------------------------------- + +bool ImGui::ButtonBehavior(const ImRect& bb, ImGuiID id, bool* out_hovered, bool* out_held, ImGuiButtonFlags flags) +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = GetCurrentWindow(); + + if (flags & ImGuiButtonFlags_Disabled) + { + if (out_hovered) *out_hovered = false; + if (out_held) *out_held = false; + if (g.ActiveId == id) ClearActiveID(); + return false; + } + + // Default only reacts to left mouse button + if ((flags & ImGuiButtonFlags_MouseButtonMask_) == 0) + flags |= ImGuiButtonFlags_MouseButtonDefault_; + + // Default behavior requires click + release inside bounding box + if ((flags & ImGuiButtonFlags_PressedOnMask_) == 0) + flags |= ImGuiButtonFlags_PressedOnDefault_; + + ImGuiWindow* backup_hovered_window = g.HoveredWindow; + const bool flatten_hovered_children = (flags & ImGuiButtonFlags_FlattenChildren) && g.HoveredRootWindow == window; + if (flatten_hovered_children) + g.HoveredWindow = window; + +#ifdef IMGUI_ENABLE_TEST_ENGINE + if (id != 0 && window->DC.LastItemId != id) + ImGuiTestEngineHook_ItemAdd(&g, bb, id); +#endif + + bool pressed = false; + bool hovered = ItemHoverable(bb, id); + + // Drag source doesn't report as hovered + if (hovered && g.DragDropActive && g.DragDropPayload.SourceId == id && !(g.DragDropSourceFlags & ImGuiDragDropFlags_SourceNoDisableHover)) + hovered = false; + + // Special mode for Drag and Drop where holding button pressed for a long time while dragging another item triggers the button + if (g.DragDropActive && (flags & ImGuiButtonFlags_PressedOnDragDropHold) && !(g.DragDropSourceFlags & ImGuiDragDropFlags_SourceNoHoldToOpenOthers)) + if (IsItemHovered(ImGuiHoveredFlags_AllowWhenBlockedByActiveItem)) + { + hovered = true; + SetHoveredID(id); + if (CalcTypematicRepeatAmount(g.HoveredIdTimer + 0.0001f - g.IO.DeltaTime, g.HoveredIdTimer + 0.0001f, 0.70f, 0.00f)) + { + pressed = true; + FocusWindow(window); + } + } + + if (flatten_hovered_children) + g.HoveredWindow = backup_hovered_window; + + // AllowOverlap mode (rarely used) requires previous frame HoveredId to be null or to match. This allows using patterns where a later submitted widget overlaps a previous one. + if (hovered && (flags & ImGuiButtonFlags_AllowItemOverlap) && (g.HoveredIdPreviousFrame != id && g.HoveredIdPreviousFrame != 0)) + hovered = false; + + // Mouse handling + if (hovered) + { + if (!(flags & ImGuiButtonFlags_NoKeyModifiers) || (!g.IO.KeyCtrl && !g.IO.KeyShift && !g.IO.KeyAlt)) + { + // Poll buttons + int mouse_button_clicked = -1; + int mouse_button_released = -1; + if ((flags & ImGuiButtonFlags_MouseButtonLeft) && g.IO.MouseClicked[0]) { mouse_button_clicked = 0; } + else if ((flags & ImGuiButtonFlags_MouseButtonRight) && g.IO.MouseClicked[1]) { mouse_button_clicked = 1; } + else if ((flags & ImGuiButtonFlags_MouseButtonMiddle) && g.IO.MouseClicked[2]) { mouse_button_clicked = 2; } + if ((flags & ImGuiButtonFlags_MouseButtonLeft) && g.IO.MouseReleased[0]) { mouse_button_released = 0; } + else if ((flags & ImGuiButtonFlags_MouseButtonRight) && g.IO.MouseReleased[1]) { mouse_button_released = 1; } + else if ((flags & ImGuiButtonFlags_MouseButtonMiddle) && g.IO.MouseReleased[2]) { mouse_button_released = 2; } + + if (mouse_button_clicked != -1 && g.ActiveId != id) + { + if (flags & (ImGuiButtonFlags_PressedOnClickRelease | ImGuiButtonFlags_PressedOnClickReleaseAnywhere)) + { + SetActiveID(id, window); + g.ActiveIdMouseButton = mouse_button_clicked; + if (!(flags & ImGuiButtonFlags_NoNavFocus)) + SetFocusID(id, window); + FocusWindow(window); + } + if ((flags & ImGuiButtonFlags_PressedOnClick) || ((flags & ImGuiButtonFlags_PressedOnDoubleClick) && g.IO.MouseDoubleClicked[mouse_button_clicked])) + { + pressed = true; + if (flags & ImGuiButtonFlags_NoHoldingActiveId) + ClearActiveID(); + else + SetActiveID(id, window); // Hold on ID + g.ActiveIdMouseButton = mouse_button_clicked; + FocusWindow(window); + } + } + if ((flags & ImGuiButtonFlags_PressedOnRelease) && mouse_button_released != -1) + { + // Repeat mode trumps on release behavior + if (!((flags & ImGuiButtonFlags_Repeat) && g.IO.MouseDownDurationPrev[mouse_button_released] >= g.IO.KeyRepeatDelay)) + pressed = true; + ClearActiveID(); + } + + // 'Repeat' mode acts when held regardless of _PressedOn flags (see table above). + // Relies on repeat logic of IsMouseClicked() but we may as well do it ourselves if we end up exposing finer RepeatDelay/RepeatRate settings. + if (g.ActiveId == id && (flags & ImGuiButtonFlags_Repeat)) + if (g.IO.MouseDownDuration[g.ActiveIdMouseButton] > 0.0f && IsMouseClicked(g.ActiveIdMouseButton, true)) + pressed = true; + } + + if (pressed) + g.NavDisableHighlight = true; + } + + // Gamepad/Keyboard navigation + // We report navigated item as hovered but we don't set g.HoveredId to not interfere with mouse. + if (g.NavId == id && !g.NavDisableHighlight && g.NavDisableMouseHover && (g.ActiveId == 0 || g.ActiveId == id || g.ActiveId == window->MoveId)) + if (!(flags & ImGuiButtonFlags_NoHoveredOnFocus)) + hovered = true; + if (g.NavActivateDownId == id) + { + bool nav_activated_by_code = (g.NavActivateId == id); + bool nav_activated_by_inputs = IsNavInputTest(ImGuiNavInput_Activate, (flags & ImGuiButtonFlags_Repeat) ? ImGuiInputReadMode_Repeat : ImGuiInputReadMode_Pressed); + if (nav_activated_by_code || nav_activated_by_inputs) + pressed = true; + if (nav_activated_by_code || nav_activated_by_inputs || g.ActiveId == id) + { + // Set active id so it can be queried by user via IsItemActive(), equivalent of holding the mouse button. + g.NavActivateId = id; // This is so SetActiveId assign a Nav source + SetActiveID(id, window); + if ((nav_activated_by_code || nav_activated_by_inputs) && !(flags & ImGuiButtonFlags_NoNavFocus)) + SetFocusID(id, window); + } + } + + bool held = false; + if (g.ActiveId == id) + { + if (g.ActiveIdSource == ImGuiInputSource_Mouse) + { + if (g.ActiveIdIsJustActivated) + g.ActiveIdClickOffset = g.IO.MousePos - bb.Min; + + const int mouse_button = g.ActiveIdMouseButton; + IM_ASSERT(mouse_button >= 0 && mouse_button < ImGuiMouseButton_COUNT); + if (g.IO.MouseDown[mouse_button]) + { + held = true; + } + else + { + bool release_in = hovered && (flags & ImGuiButtonFlags_PressedOnClickRelease) != 0; + bool release_anywhere = (flags & ImGuiButtonFlags_PressedOnClickReleaseAnywhere) != 0; + if ((release_in || release_anywhere) && !g.DragDropActive) + { + bool is_double_click_release = (flags & ImGuiButtonFlags_PressedOnDoubleClick) && g.IO.MouseDownWasDoubleClick[mouse_button]; + bool is_repeating_already = (flags & ImGuiButtonFlags_Repeat) && g.IO.MouseDownDurationPrev[mouse_button] >= g.IO.KeyRepeatDelay; // Repeat mode trumps + if (!is_double_click_release && !is_repeating_already) + pressed = true; + } + ClearActiveID(); + } + if (!(flags & ImGuiButtonFlags_NoNavFocus)) + g.NavDisableHighlight = true; + } + else if (g.ActiveIdSource == ImGuiInputSource_Nav) + { + if (g.NavActivateDownId != id) + ClearActiveID(); + } + if (pressed) + g.ActiveIdHasBeenPressedBefore = true; + } + + if (out_hovered) *out_hovered = hovered; + if (out_held) *out_held = held; + + return pressed; +} + +bool ImGui::ButtonEx(const char* label, const ImVec2& size_arg, ImGuiButtonFlags flags) +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return false; + + ImGuiContext& g = *GImGui; + const ImGuiStyle& style = g.Style; + const ImGuiID id = window->GetID(label); + const ImVec2 label_size = CalcTextSize(label, NULL, true); + + ImVec2 pos = window->DC.CursorPos; + if ((flags & ImGuiButtonFlags_AlignTextBaseLine) && style.FramePadding.y < window->DC.CurrLineTextBaseOffset) // Try to vertically align buttons that are smaller/have no padding so that text baseline matches (bit hacky, since it shouldn't be a flag) + pos.y += window->DC.CurrLineTextBaseOffset - style.FramePadding.y; + ImVec2 size = CalcItemSize(size_arg, label_size.x + style.FramePadding.x * 2.0f, label_size.y + style.FramePadding.y * 2.0f); + + const ImRect bb(pos, pos + size); + ItemSize(size, style.FramePadding.y); + if (!ItemAdd(bb, id)) + return false; + + if (window->DC.ItemFlags & ImGuiItemFlags_ButtonRepeat) + flags |= ImGuiButtonFlags_Repeat; + bool hovered, held; + bool pressed = ButtonBehavior(bb, id, &hovered, &held, flags); + + // Render + const ImU32 col = GetColorU32((held && hovered) ? ImGuiCol_ButtonActive : hovered ? ImGuiCol_ButtonHovered : ImGuiCol_Button); + RenderNavHighlight(bb, id); + RenderFrame(bb.Min, bb.Max, col, true, style.FrameRounding); + RenderTextClipped(bb.Min + style.FramePadding, bb.Max - style.FramePadding, label, NULL, &label_size, style.ButtonTextAlign, &bb); + + // Automatically close popups + //if (pressed && !(flags & ImGuiButtonFlags_DontClosePopups) && (window->Flags & ImGuiWindowFlags_Popup)) + // CloseCurrentPopup(); + + IMGUI_TEST_ENGINE_ITEM_INFO(id, label, window->DC.LastItemStatusFlags); + return pressed; +} + +bool ImGui::Button(const char* label, const ImVec2& size_arg) +{ + return ButtonEx(label, size_arg, 0); +} + +// Small buttons fits within text without additional vertical spacing. +bool ImGui::SmallButton(const char* label) +{ + ImGuiContext& g = *GImGui; + float backup_padding_y = g.Style.FramePadding.y; + g.Style.FramePadding.y = 0.0f; + bool pressed = ButtonEx(label, ImVec2(0, 0), ImGuiButtonFlags_AlignTextBaseLine); + g.Style.FramePadding.y = backup_padding_y; + return pressed; +} + +// Tip: use ImGui::PushID()/PopID() to push indices or pointers in the ID stack. +// Then you can keep 'str_id' empty or the same for all your buttons (instead of creating a string based on a non-string id) +bool ImGui::InvisibleButton(const char* str_id, const ImVec2& size_arg) +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return false; + + // Cannot use zero-size for InvisibleButton(). Unlike Button() there is not way to fallback using the label size. + IM_ASSERT(size_arg.x != 0.0f && size_arg.y != 0.0f); + + const ImGuiID id = window->GetID(str_id); + ImVec2 size = CalcItemSize(size_arg, 0.0f, 0.0f); + const ImRect bb(window->DC.CursorPos, window->DC.CursorPos + size); + ItemSize(size); + if (!ItemAdd(bb, id)) + return false; + + bool hovered, held; + bool pressed = ButtonBehavior(bb, id, &hovered, &held); + + return pressed; +} + +bool ImGui::ArrowButtonEx(const char* str_id, ImGuiDir dir, ImVec2 size, ImGuiButtonFlags flags) +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return false; + + ImGuiContext& g = *GImGui; + const ImGuiID id = window->GetID(str_id); + const ImRect bb(window->DC.CursorPos, window->DC.CursorPos + size); + const float default_size = GetFrameHeight(); + ItemSize(size, (size.y >= default_size) ? g.Style.FramePadding.y : -1.0f); + if (!ItemAdd(bb, id)) + return false; + + if (window->DC.ItemFlags & ImGuiItemFlags_ButtonRepeat) + flags |= ImGuiButtonFlags_Repeat; + + bool hovered, held; + bool pressed = ButtonBehavior(bb, id, &hovered, &held, flags); + + // Render + const ImU32 bg_col = GetColorU32((held && hovered) ? ImGuiCol_ButtonActive : hovered ? ImGuiCol_ButtonHovered : ImGuiCol_Button); + const ImU32 text_col = GetColorU32(ImGuiCol_Text); + RenderNavHighlight(bb, id); + RenderFrame(bb.Min, bb.Max, bg_col, true, g.Style.FrameRounding); + RenderArrow(window->DrawList, bb.Min + ImVec2(ImMax(0.0f, (size.x - g.FontSize) * 0.5f), ImMax(0.0f, (size.y - g.FontSize) * 0.5f)), text_col, dir); + + return pressed; +} + +bool ImGui::ArrowButton(const char* str_id, ImGuiDir dir) +{ + float sz = GetFrameHeight(); + return ArrowButtonEx(str_id, dir, ImVec2(sz, sz), ImGuiButtonFlags_None); +} + +// Button to close a window +bool ImGui::CloseButton(ImGuiID id, const ImVec2& pos)//, float size) +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + + // We intentionally allow interaction when clipped so that a mechanical Alt,Right,Validate sequence close a window. + // (this isn't the regular behavior of buttons, but it doesn't affect the user much because navigation tends to keep items visible). + const ImRect bb(pos, pos + ImVec2(g.FontSize, g.FontSize) + g.Style.FramePadding * 2.0f); + bool is_clipped = !ItemAdd(bb, id); + + bool hovered, held; + bool pressed = ButtonBehavior(bb, id, &hovered, &held); + if (is_clipped) + return pressed; + + // Render + ImU32 col = GetColorU32(held ? ImGuiCol_ButtonActive : ImGuiCol_ButtonHovered); + ImVec2 center = bb.GetCenter(); + if (hovered) + window->DrawList->AddCircleFilled(center, ImMax(2.0f, g.FontSize * 0.5f + 1.0f), col, 12); + + float cross_extent = g.FontSize * 0.5f * 0.7071f - 1.0f; + ImU32 cross_col = GetColorU32(ImGuiCol_Text); + center -= ImVec2(0.5f, 0.5f); + window->DrawList->AddLine(center + ImVec2(+cross_extent,+cross_extent), center + ImVec2(-cross_extent,-cross_extent), cross_col, 1.0f); + window->DrawList->AddLine(center + ImVec2(+cross_extent,-cross_extent), center + ImVec2(-cross_extent,+cross_extent), cross_col, 1.0f); + + return pressed; +} + +bool ImGui::CollapseButton(ImGuiID id, const ImVec2& pos) +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + + ImRect bb(pos, pos + ImVec2(g.FontSize, g.FontSize) + g.Style.FramePadding * 2.0f); + ItemAdd(bb, id); + bool hovered, held; + bool pressed = ButtonBehavior(bb, id, &hovered, &held, ImGuiButtonFlags_None); + + // Render + ImU32 bg_col = GetColorU32((held && hovered) ? ImGuiCol_ButtonActive : hovered ? ImGuiCol_ButtonHovered : ImGuiCol_Button); + ImU32 text_col = GetColorU32(ImGuiCol_Text); + ImVec2 center = bb.GetCenter(); + if (hovered || held) + window->DrawList->AddCircleFilled(center/*+ ImVec2(0.0f, -0.5f)*/, g.FontSize * 0.5f + 1.0f, bg_col, 12); + RenderArrow(window->DrawList, bb.Min + g.Style.FramePadding, text_col, window->Collapsed ? ImGuiDir_Right : ImGuiDir_Down, 1.0f); + + // Switch to moving the window after mouse is moved beyond the initial drag threshold + if (IsItemActive() && IsMouseDragging(0)) + StartMouseMovingWindow(window); + + return pressed; +} + +ImGuiID ImGui::GetWindowScrollbarID(ImGuiWindow* window, ImGuiAxis axis) +{ + return window->GetIDNoKeepAlive(axis == ImGuiAxis_X ? "#SCROLLX" : "#SCROLLY"); +} + +// Vertical/Horizontal scrollbar +// The entire piece of code below is rather confusing because: +// - We handle absolute seeking (when first clicking outside the grab) and relative manipulation (afterward or when clicking inside the grab) +// - We store values as normalized ratio and in a form that allows the window content to change while we are holding on a scrollbar +// - We handle both horizontal and vertical scrollbars, which makes the terminology not ideal. +// Still, the code should probably be made simpler.. +bool ImGui::ScrollbarEx(const ImRect& bb_frame, ImGuiID id, ImGuiAxis axis, float* p_scroll_v, float size_avail_v, float size_contents_v, ImDrawCornerFlags rounding_corners) +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + if (window->SkipItems) + return false; + + const float bb_frame_width = bb_frame.GetWidth(); + const float bb_frame_height = bb_frame.GetHeight(); + if (bb_frame_width <= 0.0f || bb_frame_height <= 0.0f) + return false; + + // When we are too small, start hiding and disabling the grab (this reduce visual noise on very small window and facilitate using the resize grab) + float alpha = 1.0f; + if ((axis == ImGuiAxis_Y) && bb_frame_height < g.FontSize + g.Style.FramePadding.y * 2.0f) + alpha = ImSaturate((bb_frame_height - g.FontSize) / (g.Style.FramePadding.y * 2.0f)); + if (alpha <= 0.0f) + return false; + + const ImGuiStyle& style = g.Style; + const bool allow_interaction = (alpha >= 1.0f); + const bool horizontal = (axis == ImGuiAxis_X); + + ImRect bb = bb_frame; + bb.Expand(ImVec2(-ImClamp(IM_FLOOR((bb_frame_width - 2.0f) * 0.5f), 0.0f, 3.0f), -ImClamp(IM_FLOOR((bb_frame_height - 2.0f) * 0.5f), 0.0f, 3.0f))); + + // V denote the main, longer axis of the scrollbar (= height for a vertical scrollbar) + const float scrollbar_size_v = horizontal ? bb.GetWidth() : bb.GetHeight(); + + // Calculate the height of our grabbable box. It generally represent the amount visible (vs the total scrollable amount) + // But we maintain a minimum size in pixel to allow for the user to still aim inside. + IM_ASSERT(ImMax(size_contents_v, size_avail_v) > 0.0f); // Adding this assert to check if the ImMax(XXX,1.0f) is still needed. PLEASE CONTACT ME if this triggers. + const float win_size_v = ImMax(ImMax(size_contents_v, size_avail_v), 1.0f); + const float grab_h_pixels = ImClamp(scrollbar_size_v * (size_avail_v / win_size_v), style.GrabMinSize, scrollbar_size_v); + const float grab_h_norm = grab_h_pixels / scrollbar_size_v; + + // Handle input right away. None of the code of Begin() is relying on scrolling position before calling Scrollbar(). + bool held = false; + bool hovered = false; + ButtonBehavior(bb, id, &hovered, &held, ImGuiButtonFlags_NoNavFocus); + + float scroll_max = ImMax(1.0f, size_contents_v - size_avail_v); + float scroll_ratio = ImSaturate(*p_scroll_v / scroll_max); + float grab_v_norm = scroll_ratio * (scrollbar_size_v - grab_h_pixels) / scrollbar_size_v; + if (held && allow_interaction && grab_h_norm < 1.0f) + { + float scrollbar_pos_v = horizontal ? bb.Min.x : bb.Min.y; + float mouse_pos_v = horizontal ? g.IO.MousePos.x : g.IO.MousePos.y; + + // Click position in scrollbar normalized space (0.0f->1.0f) + const float clicked_v_norm = ImSaturate((mouse_pos_v - scrollbar_pos_v) / scrollbar_size_v); + SetHoveredID(id); + + bool seek_absolute = false; + if (g.ActiveIdIsJustActivated) + { + // On initial click calculate the distance between mouse and the center of the grab + seek_absolute = (clicked_v_norm < grab_v_norm || clicked_v_norm > grab_v_norm + grab_h_norm); + if (seek_absolute) + g.ScrollbarClickDeltaToGrabCenter = 0.0f; + else + g.ScrollbarClickDeltaToGrabCenter = clicked_v_norm - grab_v_norm - grab_h_norm * 0.5f; + } + + // Apply scroll + // It is ok to modify Scroll here because we are being called in Begin() after the calculation of ContentSize and before setting up our starting position + const float scroll_v_norm = ImSaturate((clicked_v_norm - g.ScrollbarClickDeltaToGrabCenter - grab_h_norm * 0.5f) / (1.0f - grab_h_norm)); + *p_scroll_v = IM_ROUND(scroll_v_norm * scroll_max);//(win_size_contents_v - win_size_v)); + + // Update values for rendering + scroll_ratio = ImSaturate(*p_scroll_v / scroll_max); + grab_v_norm = scroll_ratio * (scrollbar_size_v - grab_h_pixels) / scrollbar_size_v; + + // Update distance to grab now that we have seeked and saturated + if (seek_absolute) + g.ScrollbarClickDeltaToGrabCenter = clicked_v_norm - grab_v_norm - grab_h_norm * 0.5f; + } + + // Render + window->DrawList->AddRectFilled(bb_frame.Min, bb_frame.Max, GetColorU32(ImGuiCol_ScrollbarBg), window->WindowRounding, rounding_corners); + const ImU32 grab_col = GetColorU32(held ? ImGuiCol_ScrollbarGrabActive : hovered ? ImGuiCol_ScrollbarGrabHovered : ImGuiCol_ScrollbarGrab, alpha); + ImRect grab_rect; + if (horizontal) + grab_rect = ImRect(ImLerp(bb.Min.x, bb.Max.x, grab_v_norm), bb.Min.y, ImLerp(bb.Min.x, bb.Max.x, grab_v_norm) + grab_h_pixels, bb.Max.y); + else + grab_rect = ImRect(bb.Min.x, ImLerp(bb.Min.y, bb.Max.y, grab_v_norm), bb.Max.x, ImLerp(bb.Min.y, bb.Max.y, grab_v_norm) + grab_h_pixels); + window->DrawList->AddRectFilled(grab_rect.Min, grab_rect.Max, grab_col, style.ScrollbarRounding); + + return held; +} + +void ImGui::Scrollbar(ImGuiAxis axis) +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + + const ImGuiID id = GetWindowScrollbarID(window, axis); + KeepAliveID(id); + + // Calculate scrollbar bounding box + const ImRect outer_rect = window->Rect(); + const ImRect inner_rect = window->InnerRect; + const float border_size = window->WindowBorderSize; + const float scrollbar_size = window->ScrollbarSizes[axis ^ 1]; + IM_ASSERT(scrollbar_size > 0.0f); + const float other_scrollbar_size = window->ScrollbarSizes[axis]; + ImDrawCornerFlags rounding_corners = (other_scrollbar_size <= 0.0f) ? ImDrawCornerFlags_BotRight : 0; + ImRect bb; + if (axis == ImGuiAxis_X) + { + bb.Min = ImVec2(inner_rect.Min.x, ImMax(outer_rect.Min.y, outer_rect.Max.y - border_size - scrollbar_size)); + bb.Max = ImVec2(inner_rect.Max.x, outer_rect.Max.y); + rounding_corners |= ImDrawCornerFlags_BotLeft; + } + else + { + bb.Min = ImVec2(ImMax(outer_rect.Min.x, outer_rect.Max.x - border_size - scrollbar_size), inner_rect.Min.y); + bb.Max = ImVec2(outer_rect.Max.x, window->InnerRect.Max.y); + rounding_corners |= ((window->Flags & ImGuiWindowFlags_NoTitleBar) && !(window->Flags & ImGuiWindowFlags_MenuBar)) ? ImDrawCornerFlags_TopRight : 0; + } + ScrollbarEx(bb, id, axis, &window->Scroll[axis], inner_rect.Max[axis] - inner_rect.Min[axis], window->ContentSize[axis] + window->WindowPadding[axis] * 2.0f, rounding_corners); +} + +void ImGui::Image(ImTextureID user_texture_id, const ImVec2& size, const ImVec2& uv0, const ImVec2& uv1, const ImVec4& tint_col, const ImVec4& border_col) +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return; + + ImRect bb(window->DC.CursorPos, window->DC.CursorPos + size); + if (border_col.w > 0.0f) + bb.Max += ImVec2(2, 2); + ItemSize(bb); + if (!ItemAdd(bb, 0)) + return; + + if (border_col.w > 0.0f) + { + window->DrawList->AddRect(bb.Min, bb.Max, GetColorU32(border_col), 0.0f); + window->DrawList->AddImage(user_texture_id, bb.Min + ImVec2(1, 1), bb.Max - ImVec2(1, 1), uv0, uv1, GetColorU32(tint_col)); + } + else + { + window->DrawList->AddImage(user_texture_id, bb.Min, bb.Max, uv0, uv1, GetColorU32(tint_col)); + } +} + +// frame_padding < 0: uses FramePadding from style (default) +// frame_padding = 0: no framing +// frame_padding > 0: set framing size +// The color used are the button colors. +bool ImGui::ImageButton(ImTextureID user_texture_id, const ImVec2& size, const ImVec2& uv0, const ImVec2& uv1, int frame_padding, const ImVec4& bg_col, const ImVec4& tint_col) +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return false; + + ImGuiContext& g = *GImGui; + const ImGuiStyle& style = g.Style; + + // Default to using texture ID as ID. User can still push string/integer prefixes. + // We could hash the size/uv to create a unique ID but that would prevent the user from animating UV. + PushID((void*)(intptr_t)user_texture_id); + const ImGuiID id = window->GetID("#image"); + PopID(); + + const ImVec2 padding = (frame_padding >= 0) ? ImVec2((float)frame_padding, (float)frame_padding) : style.FramePadding; + const ImRect bb(window->DC.CursorPos, window->DC.CursorPos + size + padding * 2); + const ImRect image_bb(window->DC.CursorPos + padding, window->DC.CursorPos + padding + size); + ItemSize(bb); + if (!ItemAdd(bb, id)) + return false; + + bool hovered, held; + bool pressed = ButtonBehavior(bb, id, &hovered, &held); + + // Render + const ImU32 col = GetColorU32((held && hovered) ? ImGuiCol_ButtonActive : hovered ? ImGuiCol_ButtonHovered : ImGuiCol_Button); + RenderNavHighlight(bb, id); + RenderFrame(bb.Min, bb.Max, col, true, ImClamp((float)ImMin(padding.x, padding.y), 0.0f, style.FrameRounding)); + if (bg_col.w > 0.0f) + window->DrawList->AddRectFilled(image_bb.Min, image_bb.Max, GetColorU32(bg_col)); + window->DrawList->AddImage(user_texture_id, image_bb.Min, image_bb.Max, uv0, uv1, GetColorU32(tint_col)); + + return pressed; +} + +bool ImGui::Checkbox(const char* label, bool* v) +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return false; + + ImGuiContext& g = *GImGui; + const ImGuiStyle& style = g.Style; + const ImGuiID id = window->GetID(label); + const ImVec2 label_size = CalcTextSize(label, NULL, true); + + const float square_sz = GetFrameHeight(); + const ImVec2 pos = window->DC.CursorPos; + const ImRect total_bb(pos, pos + ImVec2(square_sz + (label_size.x > 0.0f ? style.ItemInnerSpacing.x + label_size.x : 0.0f), label_size.y + style.FramePadding.y * 2.0f)); + ItemSize(total_bb, style.FramePadding.y); + if (!ItemAdd(total_bb, id)) + return false; + + bool hovered, held; + bool pressed = ButtonBehavior(total_bb, id, &hovered, &held); + if (pressed) + { + *v = !(*v); + MarkItemEdited(id); + } + + const ImRect check_bb(pos, pos + ImVec2(square_sz, square_sz)); + RenderNavHighlight(total_bb, id); + RenderFrame(check_bb.Min, check_bb.Max, GetColorU32((held && hovered) ? ImGuiCol_FrameBgActive : hovered ? ImGuiCol_FrameBgHovered : ImGuiCol_FrameBg), true, style.FrameRounding); + ImU32 check_col = GetColorU32(ImGuiCol_CheckMark); + if (window->DC.ItemFlags & ImGuiItemFlags_MixedValue) + { + // Undocumented tristate/mixed/indeterminate checkbox (#2644) + ImVec2 pad(ImMax(1.0f, IM_FLOOR(square_sz / 3.6f)), ImMax(1.0f, IM_FLOOR(square_sz / 3.6f))); + window->DrawList->AddRectFilled(check_bb.Min + pad, check_bb.Max - pad, check_col, style.FrameRounding); + } + else if (*v) + { + const float pad = ImMax(1.0f, IM_FLOOR(square_sz / 6.0f)); + RenderCheckMark(window->DrawList, check_bb.Min + ImVec2(pad, pad), check_col, square_sz - pad*2.0f); + } + + if (g.LogEnabled) + LogRenderedText(&total_bb.Min, *v ? "[x]" : "[ ]"); + if (label_size.x > 0.0f) + RenderText(ImVec2(check_bb.Max.x + style.ItemInnerSpacing.x, check_bb.Min.y + style.FramePadding.y), label); + + IMGUI_TEST_ENGINE_ITEM_INFO(id, label, window->DC.ItemFlags | ImGuiItemStatusFlags_Checkable | (*v ? ImGuiItemStatusFlags_Checked : 0)); + return pressed; +} + +bool ImGui::CheckboxFlags(const char* label, unsigned int* flags, unsigned int flags_value) +{ + bool v = ((*flags & flags_value) == flags_value); + bool pressed = Checkbox(label, &v); + if (pressed) + { + if (v) + *flags |= flags_value; + else + *flags &= ~flags_value; + } + + return pressed; +} + +bool ImGui::RadioButton(const char* label, bool active) +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return false; + + ImGuiContext& g = *GImGui; + const ImGuiStyle& style = g.Style; + const ImGuiID id = window->GetID(label); + const ImVec2 label_size = CalcTextSize(label, NULL, true); + + const float square_sz = GetFrameHeight(); + const ImVec2 pos = window->DC.CursorPos; + const ImRect check_bb(pos, pos + ImVec2(square_sz, square_sz)); + const ImRect total_bb(pos, pos + ImVec2(square_sz + (label_size.x > 0.0f ? style.ItemInnerSpacing.x + label_size.x : 0.0f), label_size.y + style.FramePadding.y * 2.0f)); + ItemSize(total_bb, style.FramePadding.y); + if (!ItemAdd(total_bb, id)) + return false; + + ImVec2 center = check_bb.GetCenter(); + center.x = IM_ROUND(center.x); + center.y = IM_ROUND(center.y); + const float radius = (square_sz - 1.0f) * 0.5f; + + bool hovered, held; + bool pressed = ButtonBehavior(total_bb, id, &hovered, &held); + if (pressed) + MarkItemEdited(id); + + RenderNavHighlight(total_bb, id); + window->DrawList->AddCircleFilled(center, radius, GetColorU32((held && hovered) ? ImGuiCol_FrameBgActive : hovered ? ImGuiCol_FrameBgHovered : ImGuiCol_FrameBg), 16); + if (active) + { + const float pad = ImMax(1.0f, IM_FLOOR(square_sz / 6.0f)); + window->DrawList->AddCircleFilled(center, radius - pad, GetColorU32(ImGuiCol_CheckMark), 16); + } + + if (style.FrameBorderSize > 0.0f) + { + window->DrawList->AddCircle(center + ImVec2(1,1), radius, GetColorU32(ImGuiCol_BorderShadow), 16, style.FrameBorderSize); + window->DrawList->AddCircle(center, radius, GetColorU32(ImGuiCol_Border), 16, style.FrameBorderSize); + } + + if (g.LogEnabled) + LogRenderedText(&total_bb.Min, active ? "(x)" : "( )"); + if (label_size.x > 0.0f) + RenderText(ImVec2(check_bb.Max.x + style.ItemInnerSpacing.x, check_bb.Min.y + style.FramePadding.y), label); + + return pressed; +} + +// FIXME: This would work nicely if it was a public template, e.g. 'template RadioButton(const char* label, T* v, T v_button)', but I'm not sure how we would expose it.. +bool ImGui::RadioButton(const char* label, int* v, int v_button) +{ + const bool pressed = RadioButton(label, *v == v_button); + if (pressed) + *v = v_button; + return pressed; +} + +// size_arg (for each axis) < 0.0f: align to end, 0.0f: auto, > 0.0f: specified size +void ImGui::ProgressBar(float fraction, const ImVec2& size_arg, const char* overlay) +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return; + + ImGuiContext& g = *GImGui; + const ImGuiStyle& style = g.Style; + + ImVec2 pos = window->DC.CursorPos; + ImVec2 size = CalcItemSize(size_arg, CalcItemWidth(), g.FontSize + style.FramePadding.y*2.0f); + ImRect bb(pos, pos + size); + ItemSize(size, style.FramePadding.y); + if (!ItemAdd(bb, 0)) + return; + + // Render + fraction = ImSaturate(fraction); + RenderFrame(bb.Min, bb.Max, GetColorU32(ImGuiCol_FrameBg), true, style.FrameRounding); + bb.Expand(ImVec2(-style.FrameBorderSize, -style.FrameBorderSize)); + const ImVec2 fill_br = ImVec2(ImLerp(bb.Min.x, bb.Max.x, fraction), bb.Max.y); + RenderRectFilledRangeH(window->DrawList, bb, GetColorU32(ImGuiCol_PlotHistogram), 0.0f, fraction, style.FrameRounding); + + // Default displaying the fraction as percentage string, but user can override it + char overlay_buf[32]; + if (!overlay) + { + ImFormatString(overlay_buf, IM_ARRAYSIZE(overlay_buf), "%.0f%%", fraction*100+0.01f); + overlay = overlay_buf; + } + + ImVec2 overlay_size = CalcTextSize(overlay, NULL); + if (overlay_size.x > 0.0f) + RenderTextClipped(ImVec2(ImClamp(fill_br.x + style.ItemSpacing.x, bb.Min.x, bb.Max.x - overlay_size.x - style.ItemInnerSpacing.x), bb.Min.y), bb.Max, overlay, NULL, &overlay_size, ImVec2(0.0f,0.5f), &bb); +} + +void ImGui::Bullet() +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return; + + ImGuiContext& g = *GImGui; + const ImGuiStyle& style = g.Style; + const float line_height = ImMax(ImMin(window->DC.CurrLineSize.y, g.FontSize + g.Style.FramePadding.y*2), g.FontSize); + const ImRect bb(window->DC.CursorPos, window->DC.CursorPos + ImVec2(g.FontSize, line_height)); + ItemSize(bb); + if (!ItemAdd(bb, 0)) + { + SameLine(0, style.FramePadding.x*2); + return; + } + + // Render and stay on same line + ImU32 text_col = GetColorU32(ImGuiCol_Text); + RenderBullet(window->DrawList, bb.Min + ImVec2(style.FramePadding.x + g.FontSize*0.5f, line_height*0.5f), text_col); + SameLine(0, style.FramePadding.x * 2.0f); +} + +//------------------------------------------------------------------------- +// [SECTION] Widgets: Low-level Layout helpers +//------------------------------------------------------------------------- +// - Spacing() +// - Dummy() +// - NewLine() +// - AlignTextToFramePadding() +// - SeparatorEx() [Internal] +// - Separator() +// - SplitterBehavior() [Internal] +// - ShrinkWidths() [Internal] +//------------------------------------------------------------------------- + +void ImGui::Spacing() +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return; + ItemSize(ImVec2(0,0)); +} + +void ImGui::Dummy(const ImVec2& size) +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return; + + const ImRect bb(window->DC.CursorPos, window->DC.CursorPos + size); + ItemSize(size); + ItemAdd(bb, 0); +} + +void ImGui::NewLine() +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return; + + ImGuiContext& g = *GImGui; + const ImGuiLayoutType backup_layout_type = window->DC.LayoutType; + window->DC.LayoutType = ImGuiLayoutType_Vertical; + if (window->DC.CurrLineSize.y > 0.0f) // In the event that we are on a line with items that is smaller that FontSize high, we will preserve its height. + ItemSize(ImVec2(0,0)); + else + ItemSize(ImVec2(0.0f, g.FontSize)); + window->DC.LayoutType = backup_layout_type; +} + +void ImGui::AlignTextToFramePadding() +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return; + + ImGuiContext& g = *GImGui; + window->DC.CurrLineSize.y = ImMax(window->DC.CurrLineSize.y, g.FontSize + g.Style.FramePadding.y * 2); + window->DC.CurrLineTextBaseOffset = ImMax(window->DC.CurrLineTextBaseOffset, g.Style.FramePadding.y); +} + +// Horizontal/vertical separating line +void ImGui::SeparatorEx(ImGuiSeparatorFlags flags) +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return; + + ImGuiContext& g = *GImGui; + IM_ASSERT(ImIsPowerOfTwo(flags & (ImGuiSeparatorFlags_Horizontal | ImGuiSeparatorFlags_Vertical))); // Check that only 1 option is selected + + float thickness_draw = 1.0f; + float thickness_layout = 0.0f; + if (flags & ImGuiSeparatorFlags_Vertical) + { + // Vertical separator, for menu bars (use current line height). Not exposed because it is misleading and it doesn't have an effect on regular layout. + float y1 = window->DC.CursorPos.y; + float y2 = window->DC.CursorPos.y + window->DC.CurrLineSize.y; + const ImRect bb(ImVec2(window->DC.CursorPos.x, y1), ImVec2(window->DC.CursorPos.x + thickness_draw, y2)); + ItemSize(ImVec2(thickness_layout, 0.0f)); + if (!ItemAdd(bb, 0)) + return; + + // Draw + window->DrawList->AddLine(ImVec2(bb.Min.x, bb.Min.y), ImVec2(bb.Min.x, bb.Max.y), GetColorU32(ImGuiCol_Separator)); + if (g.LogEnabled) + LogText(" |"); + } + else if (flags & ImGuiSeparatorFlags_Horizontal) + { + // Horizontal Separator + float x1 = window->Pos.x; + float x2 = window->Pos.x + window->Size.x; + if (!window->DC.GroupStack.empty()) + x1 += window->DC.Indent.x; + + ImGuiColumns* columns = (flags & ImGuiSeparatorFlags_SpanAllColumns) ? window->DC.CurrentColumns : NULL; + if (columns) + PushColumnsBackground(); + + // We don't provide our width to the layout so that it doesn't get feed back into AutoFit + const ImRect bb(ImVec2(x1, window->DC.CursorPos.y), ImVec2(x2, window->DC.CursorPos.y + thickness_draw)); + ItemSize(ImVec2(0.0f, thickness_layout)); + const bool item_visible = ItemAdd(bb, 0); + if (item_visible) + { + // Draw + window->DrawList->AddLine(bb.Min, ImVec2(bb.Max.x, bb.Min.y), GetColorU32(ImGuiCol_Separator)); + if (g.LogEnabled) + LogRenderedText(&bb.Min, "--------------------------------"); + } + if (columns) + { + PopColumnsBackground(); + columns->LineMinY = window->DC.CursorPos.y; + } + } +} + +void ImGui::Separator() +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + if (window->SkipItems) + return; + + // Those flags should eventually be overridable by the user + ImGuiSeparatorFlags flags = (window->DC.LayoutType == ImGuiLayoutType_Horizontal) ? ImGuiSeparatorFlags_Vertical : ImGuiSeparatorFlags_Horizontal; + flags |= ImGuiSeparatorFlags_SpanAllColumns; + SeparatorEx(flags); +} + +// Using 'hover_visibility_delay' allows us to hide the highlight and mouse cursor for a short time, which can be convenient to reduce visual noise. +bool ImGui::SplitterBehavior(const ImRect& bb, ImGuiID id, ImGuiAxis axis, float* size1, float* size2, float min_size1, float min_size2, float hover_extend, float hover_visibility_delay) +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + + const ImGuiItemFlags item_flags_backup = window->DC.ItemFlags; + window->DC.ItemFlags |= ImGuiItemFlags_NoNav | ImGuiItemFlags_NoNavDefaultFocus; + bool item_add = ItemAdd(bb, id); + window->DC.ItemFlags = item_flags_backup; + if (!item_add) + return false; + + bool hovered, held; + ImRect bb_interact = bb; + bb_interact.Expand(axis == ImGuiAxis_Y ? ImVec2(0.0f, hover_extend) : ImVec2(hover_extend, 0.0f)); + ButtonBehavior(bb_interact, id, &hovered, &held, ImGuiButtonFlags_FlattenChildren | ImGuiButtonFlags_AllowItemOverlap); + if (g.ActiveId != id) + SetItemAllowOverlap(); + + if (held || (g.HoveredId == id && g.HoveredIdPreviousFrame == id && g.HoveredIdTimer >= hover_visibility_delay)) + SetMouseCursor(axis == ImGuiAxis_Y ? ImGuiMouseCursor_ResizeNS : ImGuiMouseCursor_ResizeEW); + + ImRect bb_render = bb; + if (held) + { + ImVec2 mouse_delta_2d = g.IO.MousePos - g.ActiveIdClickOffset - bb_interact.Min; + float mouse_delta = (axis == ImGuiAxis_Y) ? mouse_delta_2d.y : mouse_delta_2d.x; + + // Minimum pane size + float size_1_maximum_delta = ImMax(0.0f, *size1 - min_size1); + float size_2_maximum_delta = ImMax(0.0f, *size2 - min_size2); + if (mouse_delta < -size_1_maximum_delta) + mouse_delta = -size_1_maximum_delta; + if (mouse_delta > size_2_maximum_delta) + mouse_delta = size_2_maximum_delta; + + // Apply resize + if (mouse_delta != 0.0f) + { + if (mouse_delta < 0.0f) + IM_ASSERT(*size1 + mouse_delta >= min_size1); + if (mouse_delta > 0.0f) + IM_ASSERT(*size2 - mouse_delta >= min_size2); + *size1 += mouse_delta; + *size2 -= mouse_delta; + bb_render.Translate((axis == ImGuiAxis_X) ? ImVec2(mouse_delta, 0.0f) : ImVec2(0.0f, mouse_delta)); + MarkItemEdited(id); + } + } + + // Render + const ImU32 col = GetColorU32(held ? ImGuiCol_SeparatorActive : (hovered && g.HoveredIdTimer >= hover_visibility_delay) ? ImGuiCol_SeparatorHovered : ImGuiCol_Separator); + window->DrawList->AddRectFilled(bb_render.Min, bb_render.Max, col, 0.0f); + + return held; +} + +static int IMGUI_CDECL ShrinkWidthItemComparer(const void* lhs, const void* rhs) +{ + const ImGuiShrinkWidthItem* a = (const ImGuiShrinkWidthItem*)lhs; + const ImGuiShrinkWidthItem* b = (const ImGuiShrinkWidthItem*)rhs; + if (int d = (int)(b->Width - a->Width)) + return d; + return (b->Index - a->Index); +} + +// Shrink excess width from a set of item, by removing width from the larger items first. +void ImGui::ShrinkWidths(ImGuiShrinkWidthItem* items, int count, float width_excess) +{ + if (count == 1) + { + items[0].Width = ImMax(items[0].Width - width_excess, 1.0f); + return; + } + ImQsort(items, (size_t)count, sizeof(ImGuiShrinkWidthItem), ShrinkWidthItemComparer); + int count_same_width = 1; + while (width_excess > 0.0f && count_same_width < count) + { + while (count_same_width < count && items[0].Width <= items[count_same_width].Width) + count_same_width++; + float max_width_to_remove_per_item = (count_same_width < count) ? (items[0].Width - items[count_same_width].Width) : (items[0].Width - 1.0f); + float width_to_remove_per_item = ImMin(width_excess / count_same_width, max_width_to_remove_per_item); + for (int item_n = 0; item_n < count_same_width; item_n++) + items[item_n].Width -= width_to_remove_per_item; + width_excess -= width_to_remove_per_item * count_same_width; + } + + // Round width and redistribute remainder left-to-right (could make it an option of the function?) + // Ensure that e.g. the right-most tab of a shrunk tab-bar always reaches exactly at the same distance from the right-most edge of the tab bar separator. + width_excess = 0.0f; + for (int n = 0; n < count; n++) + { + float width_rounded = ImFloor(items[n].Width); + width_excess += items[n].Width - width_rounded; + items[n].Width = width_rounded; + } + if (width_excess > 0.0f) + for (int n = 0; n < count; n++) + if (items[n].Index < (int)(width_excess + 0.01f)) + items[n].Width += 1.0f; +} + +//------------------------------------------------------------------------- +// [SECTION] Widgets: ComboBox +//------------------------------------------------------------------------- +// - BeginCombo() +// - EndCombo() +// - Combo() +//------------------------------------------------------------------------- + +static float CalcMaxPopupHeightFromItemCount(int items_count) +{ + ImGuiContext& g = *GImGui; + if (items_count <= 0) + return FLT_MAX; + return (g.FontSize + g.Style.ItemSpacing.y) * items_count - g.Style.ItemSpacing.y + (g.Style.WindowPadding.y * 2); +} + +bool ImGui::BeginCombo(const char* label, const char* preview_value, ImGuiComboFlags flags) +{ + // Always consume the SetNextWindowSizeConstraint() call in our early return paths + ImGuiContext& g = *GImGui; + bool has_window_size_constraint = (g.NextWindowData.Flags & ImGuiNextWindowDataFlags_HasSizeConstraint) != 0; + g.NextWindowData.Flags &= ~ImGuiNextWindowDataFlags_HasSizeConstraint; + + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return false; + + IM_ASSERT((flags & (ImGuiComboFlags_NoArrowButton | ImGuiComboFlags_NoPreview)) != (ImGuiComboFlags_NoArrowButton | ImGuiComboFlags_NoPreview)); // Can't use both flags together + + const ImGuiStyle& style = g.Style; + const ImGuiID id = window->GetID(label); + + const float arrow_size = (flags & ImGuiComboFlags_NoArrowButton) ? 0.0f : GetFrameHeight(); + const ImVec2 label_size = CalcTextSize(label, NULL, true); + const float expected_w = CalcItemWidth(); + const float w = (flags & ImGuiComboFlags_NoPreview) ? arrow_size : expected_w; + const ImRect frame_bb(window->DC.CursorPos, window->DC.CursorPos + ImVec2(w, label_size.y + style.FramePadding.y*2.0f)); + const ImRect total_bb(frame_bb.Min, frame_bb.Max + ImVec2(label_size.x > 0.0f ? style.ItemInnerSpacing.x + label_size.x : 0.0f, 0.0f)); + ItemSize(total_bb, style.FramePadding.y); + if (!ItemAdd(total_bb, id, &frame_bb)) + return false; + + bool hovered, held; + bool pressed = ButtonBehavior(frame_bb, id, &hovered, &held); + bool popup_open = IsPopupOpen(id); + + const ImU32 frame_col = GetColorU32(hovered ? ImGuiCol_FrameBgHovered : ImGuiCol_FrameBg); + const float value_x2 = ImMax(frame_bb.Min.x, frame_bb.Max.x - arrow_size); + RenderNavHighlight(frame_bb, id); + if (!(flags & ImGuiComboFlags_NoPreview)) + window->DrawList->AddRectFilled(frame_bb.Min, ImVec2(value_x2, frame_bb.Max.y), frame_col, style.FrameRounding, (flags & ImGuiComboFlags_NoArrowButton) ? ImDrawCornerFlags_All : ImDrawCornerFlags_Left); + if (!(flags & ImGuiComboFlags_NoArrowButton)) + { + ImU32 bg_col = GetColorU32((popup_open || hovered) ? ImGuiCol_ButtonHovered : ImGuiCol_Button); + ImU32 text_col = GetColorU32(ImGuiCol_Text); + window->DrawList->AddRectFilled(ImVec2(value_x2, frame_bb.Min.y), frame_bb.Max, bg_col, style.FrameRounding, (w <= arrow_size) ? ImDrawCornerFlags_All : ImDrawCornerFlags_Right); + if (value_x2 + arrow_size - style.FramePadding.x <= frame_bb.Max.x) + RenderArrow(window->DrawList, ImVec2(value_x2 + style.FramePadding.y, frame_bb.Min.y + style.FramePadding.y), text_col, ImGuiDir_Down, 1.0f); + } + RenderFrameBorder(frame_bb.Min, frame_bb.Max, style.FrameRounding); + if (preview_value != NULL && !(flags & ImGuiComboFlags_NoPreview)) + RenderTextClipped(frame_bb.Min + style.FramePadding, ImVec2(value_x2, frame_bb.Max.y), preview_value, NULL, NULL, ImVec2(0.0f,0.0f)); + if (label_size.x > 0) + RenderText(ImVec2(frame_bb.Max.x + style.ItemInnerSpacing.x, frame_bb.Min.y + style.FramePadding.y), label); + + if ((pressed || g.NavActivateId == id) && !popup_open) + { + if (window->DC.NavLayerCurrent == 0) + window->NavLastIds[0] = id; + OpenPopupEx(id); + popup_open = true; + } + + if (!popup_open) + return false; + + if (has_window_size_constraint) + { + g.NextWindowData.Flags |= ImGuiNextWindowDataFlags_HasSizeConstraint; + g.NextWindowData.SizeConstraintRect.Min.x = ImMax(g.NextWindowData.SizeConstraintRect.Min.x, w); + } + else + { + if ((flags & ImGuiComboFlags_HeightMask_) == 0) + flags |= ImGuiComboFlags_HeightRegular; + IM_ASSERT(ImIsPowerOfTwo(flags & ImGuiComboFlags_HeightMask_)); // Only one + int popup_max_height_in_items = -1; + if (flags & ImGuiComboFlags_HeightRegular) popup_max_height_in_items = 8; + else if (flags & ImGuiComboFlags_HeightSmall) popup_max_height_in_items = 4; + else if (flags & ImGuiComboFlags_HeightLarge) popup_max_height_in_items = 20; + SetNextWindowSizeConstraints(ImVec2(w, 0.0f), ImVec2(FLT_MAX, CalcMaxPopupHeightFromItemCount(popup_max_height_in_items))); + } + + char name[16]; + ImFormatString(name, IM_ARRAYSIZE(name), "##Combo_%02d", g.BeginPopupStack.Size); // Recycle windows based on depth + + // Peak into expected window size so we can position it + if (ImGuiWindow* popup_window = FindWindowByName(name)) + if (popup_window->WasActive) + { + ImVec2 size_expected = CalcWindowExpectedSize(popup_window); + if (flags & ImGuiComboFlags_PopupAlignLeft) + popup_window->AutoPosLastDirection = ImGuiDir_Left; + ImRect r_outer = GetWindowAllowedExtentRect(popup_window); + ImVec2 pos = FindBestWindowPosForPopupEx(frame_bb.GetBL(), size_expected, &popup_window->AutoPosLastDirection, r_outer, frame_bb, ImGuiPopupPositionPolicy_ComboBox); + SetNextWindowPos(pos); + } + + // We don't use BeginPopupEx() solely because we have a custom name string, which we could make an argument to BeginPopupEx() + ImGuiWindowFlags window_flags = ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_Popup | ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoSavedSettings | ImGuiWindowFlags_NoMove; + + // Horizontally align ourselves with the framed text + PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(style.FramePadding.x, style.WindowPadding.y)); + bool ret = Begin(name, NULL, window_flags); + PopStyleVar(); + if (!ret) + { + EndPopup(); + IM_ASSERT(0); // This should never happen as we tested for IsPopupOpen() above + return false; + } + return true; +} + +void ImGui::EndCombo() +{ + EndPopup(); +} + +// Getter for the old Combo() API: const char*[] +static bool Items_ArrayGetter(void* data, int idx, const char** out_text) +{ + const char* const* items = (const char* const*)data; + if (out_text) + *out_text = items[idx]; + return true; +} + +// Getter for the old Combo() API: "item1\0item2\0item3\0" +static bool Items_SingleStringGetter(void* data, int idx, const char** out_text) +{ + // FIXME-OPT: we could pre-compute the indices to fasten this. But only 1 active combo means the waste is limited. + const char* items_separated_by_zeros = (const char*)data; + int items_count = 0; + const char* p = items_separated_by_zeros; + while (*p) + { + if (idx == items_count) + break; + p += strlen(p) + 1; + items_count++; + } + if (!*p) + return false; + if (out_text) + *out_text = p; + return true; +} + +// Old API, prefer using BeginCombo() nowadays if you can. +bool ImGui::Combo(const char* label, int* current_item, bool (*items_getter)(void*, int, const char**), void* data, int items_count, int popup_max_height_in_items) +{ + ImGuiContext& g = *GImGui; + + // Call the getter to obtain the preview string which is a parameter to BeginCombo() + const char* preview_value = NULL; + if (*current_item >= 0 && *current_item < items_count) + items_getter(data, *current_item, &preview_value); + + // The old Combo() API exposed "popup_max_height_in_items". The new more general BeginCombo() API doesn't have/need it, but we emulate it here. + if (popup_max_height_in_items != -1 && !(g.NextWindowData.Flags & ImGuiNextWindowDataFlags_HasSizeConstraint)) + SetNextWindowSizeConstraints(ImVec2(0,0), ImVec2(FLT_MAX, CalcMaxPopupHeightFromItemCount(popup_max_height_in_items))); + + if (!BeginCombo(label, preview_value, ImGuiComboFlags_None)) + return false; + + // Display items + // FIXME-OPT: Use clipper (but we need to disable it on the appearing frame to make sure our call to SetItemDefaultFocus() is processed) + bool value_changed = false; + for (int i = 0; i < items_count; i++) + { + PushID((void*)(intptr_t)i); + const bool item_selected = (i == *current_item); + const char* item_text; + if (!items_getter(data, i, &item_text)) + item_text = "*Unknown item*"; + if (Selectable(item_text, item_selected)) + { + value_changed = true; + *current_item = i; + } + if (item_selected) + SetItemDefaultFocus(); + PopID(); + } + + EndCombo(); + return value_changed; +} + +// Combo box helper allowing to pass an array of strings. +bool ImGui::Combo(const char* label, int* current_item, const char* const items[], int items_count, int height_in_items) +{ + const bool value_changed = Combo(label, current_item, Items_ArrayGetter, (void*)items, items_count, height_in_items); + return value_changed; +} + +// Combo box helper allowing to pass all items in a single string literal holding multiple zero-terminated items "item1\0item2\0" +bool ImGui::Combo(const char* label, int* current_item, const char* items_separated_by_zeros, int height_in_items) +{ + int items_count = 0; + const char* p = items_separated_by_zeros; // FIXME-OPT: Avoid computing this, or at least only when combo is open + while (*p) + { + p += strlen(p) + 1; + items_count++; + } + bool value_changed = Combo(label, current_item, Items_SingleStringGetter, (void*)items_separated_by_zeros, items_count, height_in_items); + return value_changed; +} + +//------------------------------------------------------------------------- +// [SECTION] Data Type and Data Formatting Helpers [Internal] +//------------------------------------------------------------------------- +// - PatchFormatStringFloatToInt() +// - DataTypeGetInfo() +// - DataTypeFormatString() +// - DataTypeApplyOp() +// - DataTypeApplyOpFromText() +// - GetMinimumStepAtDecimalPrecision +// - RoundScalarWithFormat<>() +//------------------------------------------------------------------------- + +static const ImGuiDataTypeInfo GDataTypeInfo[] = +{ + { sizeof(char), "%d", "%d" }, // ImGuiDataType_S8 + { sizeof(unsigned char), "%u", "%u" }, + { sizeof(short), "%d", "%d" }, // ImGuiDataType_S16 + { sizeof(unsigned short), "%u", "%u" }, + { sizeof(int), "%d", "%d" }, // ImGuiDataType_S32 + { sizeof(unsigned int), "%u", "%u" }, +#ifdef _MSC_VER + { sizeof(ImS64), "%I64d","%I64d" }, // ImGuiDataType_S64 + { sizeof(ImU64), "%I64u","%I64u" }, +#else + { sizeof(ImS64), "%lld", "%lld" }, // ImGuiDataType_S64 + { sizeof(ImU64), "%llu", "%llu" }, +#endif + { sizeof(float), "%f", "%f" }, // ImGuiDataType_Float (float are promoted to double in va_arg) + { sizeof(double), "%f", "%lf" }, // ImGuiDataType_Double +}; +IM_STATIC_ASSERT(IM_ARRAYSIZE(GDataTypeInfo) == ImGuiDataType_COUNT); + +// FIXME-LEGACY: Prior to 1.61 our DragInt() function internally used floats and because of this the compile-time default value for format was "%.0f". +// Even though we changed the compile-time default, we expect users to have carried %f around, which would break the display of DragInt() calls. +// To honor backward compatibility we are rewriting the format string, unless IMGUI_DISABLE_OBSOLETE_FUNCTIONS is enabled. What could possibly go wrong?! +static const char* PatchFormatStringFloatToInt(const char* fmt) +{ + if (fmt[0] == '%' && fmt[1] == '.' && fmt[2] == '0' && fmt[3] == 'f' && fmt[4] == 0) // Fast legacy path for "%.0f" which is expected to be the most common case. + return "%d"; + const char* fmt_start = ImParseFormatFindStart(fmt); // Find % (if any, and ignore %%) + const char* fmt_end = ImParseFormatFindEnd(fmt_start); // Find end of format specifier, which itself is an exercise of confidence/recklessness (because snprintf is dependent on libc or user). + if (fmt_end > fmt_start && fmt_end[-1] == 'f') + { +#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS + if (fmt_start == fmt && fmt_end[0] == 0) + return "%d"; + ImGuiContext& g = *GImGui; + ImFormatString(g.TempBuffer, IM_ARRAYSIZE(g.TempBuffer), "%.*s%%d%s", (int)(fmt_start - fmt), fmt, fmt_end); // Honor leading and trailing decorations, but lose alignment/precision. + return g.TempBuffer; +#else + IM_ASSERT(0 && "DragInt(): Invalid format string!"); // Old versions used a default parameter of "%.0f", please replace with e.g. "%d" +#endif + } + return fmt; +} + +const ImGuiDataTypeInfo* ImGui::DataTypeGetInfo(ImGuiDataType data_type) +{ + IM_ASSERT(data_type >= 0 && data_type < ImGuiDataType_COUNT); + return &GDataTypeInfo[data_type]; +} + +int ImGui::DataTypeFormatString(char* buf, int buf_size, ImGuiDataType data_type, const void* p_data, const char* format) +{ + // Signedness doesn't matter when pushing integer arguments + if (data_type == ImGuiDataType_S32 || data_type == ImGuiDataType_U32) + return ImFormatString(buf, buf_size, format, *(const ImU32*)p_data); + if (data_type == ImGuiDataType_S64 || data_type == ImGuiDataType_U64) + return ImFormatString(buf, buf_size, format, *(const ImU64*)p_data); + if (data_type == ImGuiDataType_Float) + return ImFormatString(buf, buf_size, format, *(const float*)p_data); + if (data_type == ImGuiDataType_Double) + return ImFormatString(buf, buf_size, format, *(const double*)p_data); + if (data_type == ImGuiDataType_S8) + return ImFormatString(buf, buf_size, format, *(const ImS8*)p_data); + if (data_type == ImGuiDataType_U8) + return ImFormatString(buf, buf_size, format, *(const ImU8*)p_data); + if (data_type == ImGuiDataType_S16) + return ImFormatString(buf, buf_size, format, *(const ImS16*)p_data); + if (data_type == ImGuiDataType_U16) + return ImFormatString(buf, buf_size, format, *(const ImU16*)p_data); + IM_ASSERT(0); + return 0; +} + +void ImGui::DataTypeApplyOp(ImGuiDataType data_type, int op, void* output, void* arg1, const void* arg2) +{ + IM_ASSERT(op == '+' || op == '-'); + switch (data_type) + { + case ImGuiDataType_S8: + if (op == '+') { *(ImS8*)output = ImAddClampOverflow(*(const ImS8*)arg1, *(const ImS8*)arg2, IM_S8_MIN, IM_S8_MAX); } + if (op == '-') { *(ImS8*)output = ImSubClampOverflow(*(const ImS8*)arg1, *(const ImS8*)arg2, IM_S8_MIN, IM_S8_MAX); } + return; + case ImGuiDataType_U8: + if (op == '+') { *(ImU8*)output = ImAddClampOverflow(*(const ImU8*)arg1, *(const ImU8*)arg2, IM_U8_MIN, IM_U8_MAX); } + if (op == '-') { *(ImU8*)output = ImSubClampOverflow(*(const ImU8*)arg1, *(const ImU8*)arg2, IM_U8_MIN, IM_U8_MAX); } + return; + case ImGuiDataType_S16: + if (op == '+') { *(ImS16*)output = ImAddClampOverflow(*(const ImS16*)arg1, *(const ImS16*)arg2, IM_S16_MIN, IM_S16_MAX); } + if (op == '-') { *(ImS16*)output = ImSubClampOverflow(*(const ImS16*)arg1, *(const ImS16*)arg2, IM_S16_MIN, IM_S16_MAX); } + return; + case ImGuiDataType_U16: + if (op == '+') { *(ImU16*)output = ImAddClampOverflow(*(const ImU16*)arg1, *(const ImU16*)arg2, IM_U16_MIN, IM_U16_MAX); } + if (op == '-') { *(ImU16*)output = ImSubClampOverflow(*(const ImU16*)arg1, *(const ImU16*)arg2, IM_U16_MIN, IM_U16_MAX); } + return; + case ImGuiDataType_S32: + if (op == '+') { *(ImS32*)output = ImAddClampOverflow(*(const ImS32*)arg1, *(const ImS32*)arg2, IM_S32_MIN, IM_S32_MAX); } + if (op == '-') { *(ImS32*)output = ImSubClampOverflow(*(const ImS32*)arg1, *(const ImS32*)arg2, IM_S32_MIN, IM_S32_MAX); } + return; + case ImGuiDataType_U32: + if (op == '+') { *(ImU32*)output = ImAddClampOverflow(*(const ImU32*)arg1, *(const ImU32*)arg2, IM_U32_MIN, IM_U32_MAX); } + if (op == '-') { *(ImU32*)output = ImSubClampOverflow(*(const ImU32*)arg1, *(const ImU32*)arg2, IM_U32_MIN, IM_U32_MAX); } + return; + case ImGuiDataType_S64: + if (op == '+') { *(ImS64*)output = ImAddClampOverflow(*(const ImS64*)arg1, *(const ImS64*)arg2, IM_S64_MIN, IM_S64_MAX); } + if (op == '-') { *(ImS64*)output = ImSubClampOverflow(*(const ImS64*)arg1, *(const ImS64*)arg2, IM_S64_MIN, IM_S64_MAX); } + return; + case ImGuiDataType_U64: + if (op == '+') { *(ImU64*)output = ImAddClampOverflow(*(const ImU64*)arg1, *(const ImU64*)arg2, IM_U64_MIN, IM_U64_MAX); } + if (op == '-') { *(ImU64*)output = ImSubClampOverflow(*(const ImU64*)arg1, *(const ImU64*)arg2, IM_U64_MIN, IM_U64_MAX); } + return; + case ImGuiDataType_Float: + if (op == '+') { *(float*)output = *(const float*)arg1 + *(const float*)arg2; } + if (op == '-') { *(float*)output = *(const float*)arg1 - *(const float*)arg2; } + return; + case ImGuiDataType_Double: + if (op == '+') { *(double*)output = *(const double*)arg1 + *(const double*)arg2; } + if (op == '-') { *(double*)output = *(const double*)arg1 - *(const double*)arg2; } + return; + case ImGuiDataType_COUNT: break; + } + IM_ASSERT(0); +} + +// User can input math operators (e.g. +100) to edit a numerical values. +// NB: This is _not_ a full expression evaluator. We should probably add one and replace this dumb mess.. +bool ImGui::DataTypeApplyOpFromText(const char* buf, const char* initial_value_buf, ImGuiDataType data_type, void* p_data, const char* format) +{ + while (ImCharIsBlankA(*buf)) + buf++; + + // We don't support '-' op because it would conflict with inputing negative value. + // Instead you can use +-100 to subtract from an existing value + char op = buf[0]; + if (op == '+' || op == '*' || op == '/') + { + buf++; + while (ImCharIsBlankA(*buf)) + buf++; + } + else + { + op = 0; + } + if (!buf[0]) + return false; + + // Copy the value in an opaque buffer so we can compare at the end of the function if it changed at all. + IM_ASSERT(data_type < ImGuiDataType_COUNT); + int data_backup[2]; + const ImGuiDataTypeInfo* type_info = ImGui::DataTypeGetInfo(data_type); + IM_ASSERT(type_info->Size <= sizeof(data_backup)); + memcpy(data_backup, p_data, type_info->Size); + + if (format == NULL) + format = type_info->ScanFmt; + + // FIXME-LEGACY: The aim is to remove those operators and write a proper expression evaluator at some point.. + int arg1i = 0; + if (data_type == ImGuiDataType_S32) + { + int* v = (int*)p_data; + int arg0i = *v; + float arg1f = 0.0f; + if (op && sscanf(initial_value_buf, format, &arg0i) < 1) + return false; + // Store operand in a float so we can use fractional value for multipliers (*1.1), but constant always parsed as integer so we can fit big integers (e.g. 2000000003) past float precision + if (op == '+') { if (sscanf(buf, "%d", &arg1i)) *v = (int)(arg0i + arg1i); } // Add (use "+-" to subtract) + else if (op == '*') { if (sscanf(buf, "%f", &arg1f)) *v = (int)(arg0i * arg1f); } // Multiply + else if (op == '/') { if (sscanf(buf, "%f", &arg1f) && arg1f != 0.0f) *v = (int)(arg0i / arg1f); } // Divide + else { if (sscanf(buf, format, &arg1i) == 1) *v = arg1i; } // Assign constant + } + else if (data_type == ImGuiDataType_Float) + { + // For floats we have to ignore format with precision (e.g. "%.2f") because sscanf doesn't take them in + format = "%f"; + float* v = (float*)p_data; + float arg0f = *v, arg1f = 0.0f; + if (op && sscanf(initial_value_buf, format, &arg0f) < 1) + return false; + if (sscanf(buf, format, &arg1f) < 1) + return false; + if (op == '+') { *v = arg0f + arg1f; } // Add (use "+-" to subtract) + else if (op == '*') { *v = arg0f * arg1f; } // Multiply + else if (op == '/') { if (arg1f != 0.0f) *v = arg0f / arg1f; } // Divide + else { *v = arg1f; } // Assign constant + } + else if (data_type == ImGuiDataType_Double) + { + format = "%lf"; // scanf differentiate float/double unlike printf which forces everything to double because of ellipsis + double* v = (double*)p_data; + double arg0f = *v, arg1f = 0.0; + if (op && sscanf(initial_value_buf, format, &arg0f) < 1) + return false; + if (sscanf(buf, format, &arg1f) < 1) + return false; + if (op == '+') { *v = arg0f + arg1f; } // Add (use "+-" to subtract) + else if (op == '*') { *v = arg0f * arg1f; } // Multiply + else if (op == '/') { if (arg1f != 0.0f) *v = arg0f / arg1f; } // Divide + else { *v = arg1f; } // Assign constant + } + else if (data_type == ImGuiDataType_U32 || data_type == ImGuiDataType_S64 || data_type == ImGuiDataType_U64) + { + // All other types assign constant + // We don't bother handling support for legacy operators since they are a little too crappy. Instead we will later implement a proper expression evaluator in the future. + sscanf(buf, format, p_data); + } + else + { + // Small types need a 32-bit buffer to receive the result from scanf() + int v32; + sscanf(buf, format, &v32); + if (data_type == ImGuiDataType_S8) + *(ImS8*)p_data = (ImS8)ImClamp(v32, (int)IM_S8_MIN, (int)IM_S8_MAX); + else if (data_type == ImGuiDataType_U8) + *(ImU8*)p_data = (ImU8)ImClamp(v32, (int)IM_U8_MIN, (int)IM_U8_MAX); + else if (data_type == ImGuiDataType_S16) + *(ImS16*)p_data = (ImS16)ImClamp(v32, (int)IM_S16_MIN, (int)IM_S16_MAX); + else if (data_type == ImGuiDataType_U16) + *(ImU16*)p_data = (ImU16)ImClamp(v32, (int)IM_U16_MIN, (int)IM_U16_MAX); + else + IM_ASSERT(0); + } + + return memcmp(data_backup, p_data, type_info->Size) != 0; +} + +static float GetMinimumStepAtDecimalPrecision(int decimal_precision) +{ + static const float min_steps[10] = { 1.0f, 0.1f, 0.01f, 0.001f, 0.0001f, 0.00001f, 0.000001f, 0.0000001f, 0.00000001f, 0.000000001f }; + if (decimal_precision < 0) + return FLT_MIN; + return (decimal_precision < IM_ARRAYSIZE(min_steps)) ? min_steps[decimal_precision] : ImPow(10.0f, (float)-decimal_precision); +} + +template +static const char* ImAtoi(const char* src, TYPE* output) +{ + int negative = 0; + if (*src == '-') { negative = 1; src++; } + if (*src == '+') { src++; } + TYPE v = 0; + while (*src >= '0' && *src <= '9') + v = (v * 10) + (*src++ - '0'); + *output = negative ? -v : v; + return src; +} + +template +TYPE ImGui::RoundScalarWithFormatT(const char* format, ImGuiDataType data_type, TYPE v) +{ + const char* fmt_start = ImParseFormatFindStart(format); + if (fmt_start[0] != '%' || fmt_start[1] == '%') // Don't apply if the value is not visible in the format string + return v; + char v_str[64]; + ImFormatString(v_str, IM_ARRAYSIZE(v_str), fmt_start, v); + const char* p = v_str; + while (*p == ' ') + p++; + if (data_type == ImGuiDataType_Float || data_type == ImGuiDataType_Double) + v = (TYPE)ImAtof(p); + else + ImAtoi(p, (SIGNEDTYPE*)&v); + return v; +} + +//------------------------------------------------------------------------- +// [SECTION] Widgets: DragScalar, DragFloat, DragInt, etc. +//------------------------------------------------------------------------- +// - DragBehaviorT<>() [Internal] +// - DragBehavior() [Internal] +// - DragScalar() +// - DragScalarN() +// - DragFloat() +// - DragFloat2() +// - DragFloat3() +// - DragFloat4() +// - DragFloatRange2() +// - DragInt() +// - DragInt2() +// - DragInt3() +// - DragInt4() +// - DragIntRange2() +//------------------------------------------------------------------------- + +// This is called by DragBehavior() when the widget is active (held by mouse or being manipulated with Nav controls) +template +bool ImGui::DragBehaviorT(ImGuiDataType data_type, TYPE* v, float v_speed, const TYPE v_min, const TYPE v_max, const char* format, float power, ImGuiDragFlags flags) +{ + ImGuiContext& g = *GImGui; + const ImGuiAxis axis = (flags & ImGuiDragFlags_Vertical) ? ImGuiAxis_Y : ImGuiAxis_X; + const bool is_decimal = (data_type == ImGuiDataType_Float) || (data_type == ImGuiDataType_Double); + const bool is_clamped = (v_min < v_max); + const bool is_power = (power != 1.0f && is_decimal && is_clamped && (v_max - v_min < FLT_MAX)); + const bool is_locked = (v_min > v_max); + if (is_locked) + return false; + + // Default tweak speed + if (v_speed == 0.0f && is_clamped && (v_max - v_min < FLT_MAX)) + v_speed = (float)((v_max - v_min) * g.DragSpeedDefaultRatio); + + // Inputs accumulates into g.DragCurrentAccum, which is flushed into the current value as soon as it makes a difference with our precision settings + float adjust_delta = 0.0f; + if (g.ActiveIdSource == ImGuiInputSource_Mouse && IsMousePosValid() && g.IO.MouseDragMaxDistanceSqr[0] > 1.0f*1.0f) + { + adjust_delta = g.IO.MouseDelta[axis]; + if (g.IO.KeyAlt) + adjust_delta *= 1.0f / 100.0f; + if (g.IO.KeyShift) + adjust_delta *= 10.0f; + } + else if (g.ActiveIdSource == ImGuiInputSource_Nav) + { + int decimal_precision = is_decimal ? ImParseFormatPrecision(format, 3) : 0; + adjust_delta = GetNavInputAmount2d(ImGuiNavDirSourceFlags_Keyboard | ImGuiNavDirSourceFlags_PadDPad, ImGuiInputReadMode_RepeatFast, 1.0f / 10.0f, 10.0f)[axis]; + v_speed = ImMax(v_speed, GetMinimumStepAtDecimalPrecision(decimal_precision)); + } + adjust_delta *= v_speed; + + // For vertical drag we currently assume that Up=higher value (like we do with vertical sliders). This may become a parameter. + if (axis == ImGuiAxis_Y) + adjust_delta = -adjust_delta; + + // Clear current value on activation + // Avoid altering values and clamping when we are _already_ past the limits and heading in the same direction, so e.g. if range is 0..255, current value is 300 and we are pushing to the right side, keep the 300. + bool is_just_activated = g.ActiveIdIsJustActivated; + bool is_already_past_limits_and_pushing_outward = is_clamped && ((*v >= v_max && adjust_delta > 0.0f) || (*v <= v_min && adjust_delta < 0.0f)); + bool is_drag_direction_change_with_power = is_power && ((adjust_delta < 0 && g.DragCurrentAccum > 0) || (adjust_delta > 0 && g.DragCurrentAccum < 0)); + if (is_just_activated || is_already_past_limits_and_pushing_outward || is_drag_direction_change_with_power) + { + g.DragCurrentAccum = 0.0f; + g.DragCurrentAccumDirty = false; + } + else if (adjust_delta != 0.0f) + { + g.DragCurrentAccum += adjust_delta; + g.DragCurrentAccumDirty = true; + } + + if (!g.DragCurrentAccumDirty) + return false; + + TYPE v_cur = *v; + FLOATTYPE v_old_ref_for_accum_remainder = (FLOATTYPE)0.0f; + + if (is_power) + { + // Offset + round to user desired precision, with a curve on the v_min..v_max range to get more precision on one side of the range + FLOATTYPE v_old_norm_curved = ImPow((FLOATTYPE)(v_cur - v_min) / (FLOATTYPE)(v_max - v_min), (FLOATTYPE)1.0f / power); + FLOATTYPE v_new_norm_curved = v_old_norm_curved + (g.DragCurrentAccum / (v_max - v_min)); + v_cur = v_min + (SIGNEDTYPE)ImPow(ImSaturate((float)v_new_norm_curved), power) * (v_max - v_min); + v_old_ref_for_accum_remainder = v_old_norm_curved; + } + else + { + v_cur += (SIGNEDTYPE)g.DragCurrentAccum; + } + + // Round to user desired precision based on format string + v_cur = RoundScalarWithFormatT(format, data_type, v_cur); + + // Preserve remainder after rounding has been applied. This also allow slow tweaking of values. + g.DragCurrentAccumDirty = false; + if (is_power) + { + FLOATTYPE v_cur_norm_curved = ImPow((FLOATTYPE)(v_cur - v_min) / (FLOATTYPE)(v_max - v_min), (FLOATTYPE)1.0f / power); + g.DragCurrentAccum -= (float)(v_cur_norm_curved - v_old_ref_for_accum_remainder); + } + else + { + g.DragCurrentAccum -= (float)((SIGNEDTYPE)v_cur - (SIGNEDTYPE)*v); + } + + // Lose zero sign for float/double + if (v_cur == (TYPE)-0) + v_cur = (TYPE)0; + + // Clamp values (+ handle overflow/wrap-around for integer types) + if (*v != v_cur && is_clamped) + { + if (v_cur < v_min || (v_cur > *v && adjust_delta < 0.0f && !is_decimal)) + v_cur = v_min; + if (v_cur > v_max || (v_cur < *v && adjust_delta > 0.0f && !is_decimal)) + v_cur = v_max; + } + + // Apply result + if (*v == v_cur) + return false; + *v = v_cur; + return true; +} + +bool ImGui::DragBehavior(ImGuiID id, ImGuiDataType data_type, void* p_v, float v_speed, const void* p_min, const void* p_max, const char* format, float power, ImGuiDragFlags flags) +{ + ImGuiContext& g = *GImGui; + if (g.ActiveId == id) + { + if (g.ActiveIdSource == ImGuiInputSource_Mouse && !g.IO.MouseDown[0]) + ClearActiveID(); + else if (g.ActiveIdSource == ImGuiInputSource_Nav && g.NavActivatePressedId == id && !g.ActiveIdIsJustActivated) + ClearActiveID(); + } + if (g.ActiveId != id) + return false; + + switch (data_type) + { + case ImGuiDataType_S8: { ImS32 v32 = (ImS32)*(ImS8*)p_v; bool r = DragBehaviorT(ImGuiDataType_S32, &v32, v_speed, p_min ? *(const ImS8*) p_min : IM_S8_MIN, p_max ? *(const ImS8*)p_max : IM_S8_MAX, format, power, flags); if (r) *(ImS8*)p_v = (ImS8)v32; return r; } + case ImGuiDataType_U8: { ImU32 v32 = (ImU32)*(ImU8*)p_v; bool r = DragBehaviorT(ImGuiDataType_U32, &v32, v_speed, p_min ? *(const ImU8*) p_min : IM_U8_MIN, p_max ? *(const ImU8*)p_max : IM_U8_MAX, format, power, flags); if (r) *(ImU8*)p_v = (ImU8)v32; return r; } + case ImGuiDataType_S16: { ImS32 v32 = (ImS32)*(ImS16*)p_v; bool r = DragBehaviorT(ImGuiDataType_S32, &v32, v_speed, p_min ? *(const ImS16*)p_min : IM_S16_MIN, p_max ? *(const ImS16*)p_max : IM_S16_MAX, format, power, flags); if (r) *(ImS16*)p_v = (ImS16)v32; return r; } + case ImGuiDataType_U16: { ImU32 v32 = (ImU32)*(ImU16*)p_v; bool r = DragBehaviorT(ImGuiDataType_U32, &v32, v_speed, p_min ? *(const ImU16*)p_min : IM_U16_MIN, p_max ? *(const ImU16*)p_max : IM_U16_MAX, format, power, flags); if (r) *(ImU16*)p_v = (ImU16)v32; return r; } + case ImGuiDataType_S32: return DragBehaviorT(data_type, (ImS32*)p_v, v_speed, p_min ? *(const ImS32* )p_min : IM_S32_MIN, p_max ? *(const ImS32* )p_max : IM_S32_MAX, format, power, flags); + case ImGuiDataType_U32: return DragBehaviorT(data_type, (ImU32*)p_v, v_speed, p_min ? *(const ImU32* )p_min : IM_U32_MIN, p_max ? *(const ImU32* )p_max : IM_U32_MAX, format, power, flags); + case ImGuiDataType_S64: return DragBehaviorT(data_type, (ImS64*)p_v, v_speed, p_min ? *(const ImS64* )p_min : IM_S64_MIN, p_max ? *(const ImS64* )p_max : IM_S64_MAX, format, power, flags); + case ImGuiDataType_U64: return DragBehaviorT(data_type, (ImU64*)p_v, v_speed, p_min ? *(const ImU64* )p_min : IM_U64_MIN, p_max ? *(const ImU64* )p_max : IM_U64_MAX, format, power, flags); + case ImGuiDataType_Float: return DragBehaviorT(data_type, (float*)p_v, v_speed, p_min ? *(const float* )p_min : -FLT_MAX, p_max ? *(const float* )p_max : FLT_MAX, format, power, flags); + case ImGuiDataType_Double: return DragBehaviorT(data_type, (double*)p_v, v_speed, p_min ? *(const double*)p_min : -DBL_MAX, p_max ? *(const double*)p_max : DBL_MAX, format, power, flags); + case ImGuiDataType_COUNT: break; + } + IM_ASSERT(0); + return false; +} + +// Note: p_data, p_min and p_max are _pointers_ to a memory address holding the data. For a Drag widget, p_min and p_max are optional. +// Read code of e.g. SliderFloat(), SliderInt() etc. or examples in 'Demo->Widgets->Data Types' to understand how to use this function directly. +bool ImGui::DragScalar(const char* label, ImGuiDataType data_type, void* p_data, float v_speed, const void* p_min, const void* p_max, const char* format, float power) +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return false; + + if (power != 1.0f) + IM_ASSERT(p_min != NULL && p_max != NULL); // When using a power curve the drag needs to have known bounds + + ImGuiContext& g = *GImGui; + const ImGuiStyle& style = g.Style; + const ImGuiID id = window->GetID(label); + const float w = CalcItemWidth(); + const ImVec2 label_size = CalcTextSize(label, NULL, true); + const ImRect frame_bb(window->DC.CursorPos, window->DC.CursorPos + ImVec2(w, label_size.y + style.FramePadding.y*2.0f)); + const ImRect total_bb(frame_bb.Min, frame_bb.Max + ImVec2(label_size.x > 0.0f ? style.ItemInnerSpacing.x + label_size.x : 0.0f, 0.0f)); + + ItemSize(total_bb, style.FramePadding.y); + if (!ItemAdd(total_bb, id, &frame_bb)) + return false; + + // Default format string when passing NULL + if (format == NULL) + format = DataTypeGetInfo(data_type)->PrintFmt; + else if (data_type == ImGuiDataType_S32 && strcmp(format, "%d") != 0) // (FIXME-LEGACY: Patch old "%.0f" format string to use "%d", read function more details.) + format = PatchFormatStringFloatToInt(format); + + // Tabbing or CTRL-clicking on Drag turns it into an input box + const bool hovered = ItemHoverable(frame_bb, id); + bool temp_input_is_active = TempInputIsActive(id); + bool temp_input_start = false; + if (!temp_input_is_active) + { + const bool focus_requested = FocusableItemRegister(window, id); + const bool clicked = (hovered && g.IO.MouseClicked[0]); + const bool double_clicked = (hovered && g.IO.MouseDoubleClicked[0]); + if (focus_requested || clicked || double_clicked || g.NavActivateId == id || g.NavInputId == id) + { + SetActiveID(id, window); + SetFocusID(id, window); + FocusWindow(window); + g.ActiveIdUsingNavDirMask = (1 << ImGuiDir_Left) | (1 << ImGuiDir_Right); + if (focus_requested || (clicked && g.IO.KeyCtrl) || double_clicked || g.NavInputId == id) + { + temp_input_start = true; + FocusableItemUnregister(window); + } + } + } + if (temp_input_is_active || temp_input_start) + return TempInputScalar(frame_bb, id, label, data_type, p_data, format); + + // Draw frame + const ImU32 frame_col = GetColorU32(g.ActiveId == id ? ImGuiCol_FrameBgActive : g.HoveredId == id ? ImGuiCol_FrameBgHovered : ImGuiCol_FrameBg); + RenderNavHighlight(frame_bb, id); + RenderFrame(frame_bb.Min, frame_bb.Max, frame_col, true, style.FrameRounding); + + // Drag behavior + const bool value_changed = DragBehavior(id, data_type, p_data, v_speed, p_min, p_max, format, power, ImGuiDragFlags_None); + if (value_changed) + MarkItemEdited(id); + + // Display value using user-provided display format so user can add prefix/suffix/decorations to the value. + char value_buf[64]; + const char* value_buf_end = value_buf + DataTypeFormatString(value_buf, IM_ARRAYSIZE(value_buf), data_type, p_data, format); + RenderTextClipped(frame_bb.Min, frame_bb.Max, value_buf, value_buf_end, NULL, ImVec2(0.5f, 0.5f)); + + if (label_size.x > 0.0f) + RenderText(ImVec2(frame_bb.Max.x + style.ItemInnerSpacing.x, frame_bb.Min.y + style.FramePadding.y), label); + + IMGUI_TEST_ENGINE_ITEM_INFO(id, label, window->DC.ItemFlags); + return value_changed; +} + +bool ImGui::DragScalarN(const char* label, ImGuiDataType data_type, void* p_data, int components, float v_speed, const void* p_min, const void* p_max, const char* format, float power) +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return false; + + ImGuiContext& g = *GImGui; + bool value_changed = false; + BeginGroup(); + PushID(label); + PushMultiItemsWidths(components, CalcItemWidth()); + size_t type_size = GDataTypeInfo[data_type].Size; + for (int i = 0; i < components; i++) + { + PushID(i); + if (i > 0) + SameLine(0, g.Style.ItemInnerSpacing.x); + value_changed |= DragScalar("", data_type, p_data, v_speed, p_min, p_max, format, power); + PopID(); + PopItemWidth(); + p_data = (void*)((char*)p_data + type_size); + } + PopID(); + + const char* label_end = FindRenderedTextEnd(label); + if (label != label_end) + { + SameLine(0, g.Style.ItemInnerSpacing.x); + TextEx(label, label_end); + } + + EndGroup(); + return value_changed; +} + +bool ImGui::DragFloat(const char* label, float* v, float v_speed, float v_min, float v_max, const char* format, float power) +{ + return DragScalar(label, ImGuiDataType_Float, v, v_speed, &v_min, &v_max, format, power); +} + +bool ImGui::DragFloat2(const char* label, float v[2], float v_speed, float v_min, float v_max, const char* format, float power) +{ + return DragScalarN(label, ImGuiDataType_Float, v, 2, v_speed, &v_min, &v_max, format, power); +} + +bool ImGui::DragFloat3(const char* label, float v[3], float v_speed, float v_min, float v_max, const char* format, float power) +{ + return DragScalarN(label, ImGuiDataType_Float, v, 3, v_speed, &v_min, &v_max, format, power); +} + +bool ImGui::DragFloat4(const char* label, float v[4], float v_speed, float v_min, float v_max, const char* format, float power) +{ + return DragScalarN(label, ImGuiDataType_Float, v, 4, v_speed, &v_min, &v_max, format, power); +} + +bool ImGui::DragFloatRange2(const char* label, float* v_current_min, float* v_current_max, float v_speed, float v_min, float v_max, const char* format, const char* format_max, float power) +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return false; + + ImGuiContext& g = *GImGui; + PushID(label); + BeginGroup(); + PushMultiItemsWidths(2, CalcItemWidth()); + + bool value_changed = DragFloat("##min", v_current_min, v_speed, (v_min >= v_max) ? -FLT_MAX : v_min, (v_min >= v_max) ? *v_current_max : ImMin(v_max, *v_current_max), format, power); + PopItemWidth(); + SameLine(0, g.Style.ItemInnerSpacing.x); + value_changed |= DragFloat("##max", v_current_max, v_speed, (v_min >= v_max) ? *v_current_min : ImMax(v_min, *v_current_min), (v_min >= v_max) ? FLT_MAX : v_max, format_max ? format_max : format, power); + PopItemWidth(); + SameLine(0, g.Style.ItemInnerSpacing.x); + + TextEx(label, FindRenderedTextEnd(label)); + EndGroup(); + PopID(); + return value_changed; +} + +// NB: v_speed is float to allow adjusting the drag speed with more precision +bool ImGui::DragInt(const char* label, int* v, float v_speed, int v_min, int v_max, const char* format) +{ + return DragScalar(label, ImGuiDataType_S32, v, v_speed, &v_min, &v_max, format); +} + +bool ImGui::DragInt2(const char* label, int v[2], float v_speed, int v_min, int v_max, const char* format) +{ + return DragScalarN(label, ImGuiDataType_S32, v, 2, v_speed, &v_min, &v_max, format); +} + +bool ImGui::DragInt3(const char* label, int v[3], float v_speed, int v_min, int v_max, const char* format) +{ + return DragScalarN(label, ImGuiDataType_S32, v, 3, v_speed, &v_min, &v_max, format); +} + +bool ImGui::DragInt4(const char* label, int v[4], float v_speed, int v_min, int v_max, const char* format) +{ + return DragScalarN(label, ImGuiDataType_S32, v, 4, v_speed, &v_min, &v_max, format); +} + +bool ImGui::DragIntRange2(const char* label, int* v_current_min, int* v_current_max, float v_speed, int v_min, int v_max, const char* format, const char* format_max) +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return false; + + ImGuiContext& g = *GImGui; + PushID(label); + BeginGroup(); + PushMultiItemsWidths(2, CalcItemWidth()); + + bool value_changed = DragInt("##min", v_current_min, v_speed, (v_min >= v_max) ? INT_MIN : v_min, (v_min >= v_max) ? *v_current_max : ImMin(v_max, *v_current_max), format); + PopItemWidth(); + SameLine(0, g.Style.ItemInnerSpacing.x); + value_changed |= DragInt("##max", v_current_max, v_speed, (v_min >= v_max) ? *v_current_min : ImMax(v_min, *v_current_min), (v_min >= v_max) ? INT_MAX : v_max, format_max ? format_max : format); + PopItemWidth(); + SameLine(0, g.Style.ItemInnerSpacing.x); + + TextEx(label, FindRenderedTextEnd(label)); + EndGroup(); + PopID(); + + return value_changed; +} + +//------------------------------------------------------------------------- +// [SECTION] Widgets: SliderScalar, SliderFloat, SliderInt, etc. +//------------------------------------------------------------------------- +// - SliderBehaviorT<>() [Internal] +// - SliderBehavior() [Internal] +// - SliderScalar() +// - SliderScalarN() +// - SliderFloat() +// - SliderFloat2() +// - SliderFloat3() +// - SliderFloat4() +// - SliderAngle() +// - SliderInt() +// - SliderInt2() +// - SliderInt3() +// - SliderInt4() +// - VSliderScalar() +// - VSliderFloat() +// - VSliderInt() +//------------------------------------------------------------------------- + +template +float ImGui::SliderCalcRatioFromValueT(ImGuiDataType data_type, TYPE v, TYPE v_min, TYPE v_max, float power, float linear_zero_pos) +{ + if (v_min == v_max) + return 0.0f; + + const bool is_power = (power != 1.0f) && (data_type == ImGuiDataType_Float || data_type == ImGuiDataType_Double); + const TYPE v_clamped = (v_min < v_max) ? ImClamp(v, v_min, v_max) : ImClamp(v, v_max, v_min); + if (is_power) + { + if (v_clamped < 0.0f) + { + const float f = 1.0f - (float)((v_clamped - v_min) / (ImMin((TYPE)0, v_max) - v_min)); + return (1.0f - ImPow(f, 1.0f/power)) * linear_zero_pos; + } + else + { + const float f = (float)((v_clamped - ImMax((TYPE)0, v_min)) / (v_max - ImMax((TYPE)0, v_min))); + return linear_zero_pos + ImPow(f, 1.0f/power) * (1.0f - linear_zero_pos); + } + } + + // Linear slider + return (float)((FLOATTYPE)(v_clamped - v_min) / (FLOATTYPE)(v_max - v_min)); +} + +// FIXME: Move some of the code into SliderBehavior(). Current responsability is larger than what the equivalent DragBehaviorT<> does, we also do some rendering, etc. +template +bool ImGui::SliderBehaviorT(const ImRect& bb, ImGuiID id, ImGuiDataType data_type, TYPE* v, const TYPE v_min, const TYPE v_max, const char* format, float power, ImGuiSliderFlags flags, ImRect* out_grab_bb) +{ + ImGuiContext& g = *GImGui; + const ImGuiStyle& style = g.Style; + + const ImGuiAxis axis = (flags & ImGuiSliderFlags_Vertical) ? ImGuiAxis_Y : ImGuiAxis_X; + const bool is_decimal = (data_type == ImGuiDataType_Float) || (data_type == ImGuiDataType_Double); + const bool is_power = (power != 1.0f) && is_decimal; + + const float grab_padding = 2.0f; + const float slider_sz = (bb.Max[axis] - bb.Min[axis]) - grab_padding * 2.0f; + float grab_sz = style.GrabMinSize; + SIGNEDTYPE v_range = (v_min < v_max ? v_max - v_min : v_min - v_max); + if (!is_decimal && v_range >= 0) // v_range < 0 may happen on integer overflows + grab_sz = ImMax((float)(slider_sz / (v_range + 1)), style.GrabMinSize); // For integer sliders: if possible have the grab size represent 1 unit + grab_sz = ImMin(grab_sz, slider_sz); + const float slider_usable_sz = slider_sz - grab_sz; + const float slider_usable_pos_min = bb.Min[axis] + grab_padding + grab_sz * 0.5f; + const float slider_usable_pos_max = bb.Max[axis] - grab_padding - grab_sz * 0.5f; + + // For power curve sliders that cross over sign boundary we want the curve to be symmetric around 0.0f + float linear_zero_pos; // 0.0->1.0f + if (is_power && v_min * v_max < 0.0f) + { + // Different sign + const FLOATTYPE linear_dist_min_to_0 = ImPow(v_min >= 0 ? (FLOATTYPE)v_min : -(FLOATTYPE)v_min, (FLOATTYPE)1.0f / power); + const FLOATTYPE linear_dist_max_to_0 = ImPow(v_max >= 0 ? (FLOATTYPE)v_max : -(FLOATTYPE)v_max, (FLOATTYPE)1.0f / power); + linear_zero_pos = (float)(linear_dist_min_to_0 / (linear_dist_min_to_0 + linear_dist_max_to_0)); + } + else + { + // Same sign + linear_zero_pos = v_min < 0.0f ? 1.0f : 0.0f; + } + + // Process interacting with the slider + bool value_changed = false; + if (g.ActiveId == id) + { + bool set_new_value = false; + float clicked_t = 0.0f; + if (g.ActiveIdSource == ImGuiInputSource_Mouse) + { + if (!g.IO.MouseDown[0]) + { + ClearActiveID(); + } + else + { + const float mouse_abs_pos = g.IO.MousePos[axis]; + clicked_t = (slider_usable_sz > 0.0f) ? ImClamp((mouse_abs_pos - slider_usable_pos_min) / slider_usable_sz, 0.0f, 1.0f) : 0.0f; + if (axis == ImGuiAxis_Y) + clicked_t = 1.0f - clicked_t; + set_new_value = true; + } + } + else if (g.ActiveIdSource == ImGuiInputSource_Nav) + { + const ImVec2 delta2 = GetNavInputAmount2d(ImGuiNavDirSourceFlags_Keyboard | ImGuiNavDirSourceFlags_PadDPad, ImGuiInputReadMode_RepeatFast, 0.0f, 0.0f); + float delta = (axis == ImGuiAxis_X) ? delta2.x : -delta2.y; + if (g.NavActivatePressedId == id && !g.ActiveIdIsJustActivated) + { + ClearActiveID(); + } + else if (delta != 0.0f) + { + clicked_t = SliderCalcRatioFromValueT(data_type, *v, v_min, v_max, power, linear_zero_pos); + const int decimal_precision = is_decimal ? ImParseFormatPrecision(format, 3) : 0; + if ((decimal_precision > 0) || is_power) + { + delta /= 100.0f; // Gamepad/keyboard tweak speeds in % of slider bounds + if (IsNavInputDown(ImGuiNavInput_TweakSlow)) + delta /= 10.0f; + } + else + { + if ((v_range >= -100.0f && v_range <= 100.0f) || IsNavInputDown(ImGuiNavInput_TweakSlow)) + delta = ((delta < 0.0f) ? -1.0f : +1.0f) / (float)v_range; // Gamepad/keyboard tweak speeds in integer steps + else + delta /= 100.0f; + } + if (IsNavInputDown(ImGuiNavInput_TweakFast)) + delta *= 10.0f; + set_new_value = true; + if ((clicked_t >= 1.0f && delta > 0.0f) || (clicked_t <= 0.0f && delta < 0.0f)) // This is to avoid applying the saturation when already past the limits + set_new_value = false; + else + clicked_t = ImSaturate(clicked_t + delta); + } + } + + if (set_new_value) + { + TYPE v_new; + if (is_power) + { + // Account for power curve scale on both sides of the zero + if (clicked_t < linear_zero_pos) + { + // Negative: rescale to the negative range before powering + float a = 1.0f - (clicked_t / linear_zero_pos); + a = ImPow(a, power); + v_new = ImLerp(ImMin(v_max, (TYPE)0), v_min, a); + } + else + { + // Positive: rescale to the positive range before powering + float a; + if (ImFabs(linear_zero_pos - 1.0f) > 1.e-6f) + a = (clicked_t - linear_zero_pos) / (1.0f - linear_zero_pos); + else + a = clicked_t; + a = ImPow(a, power); + v_new = ImLerp(ImMax(v_min, (TYPE)0), v_max, a); + } + } + else + { + // Linear slider + if (is_decimal) + { + v_new = ImLerp(v_min, v_max, clicked_t); + } + else + { + // For integer values we want the clicking position to match the grab box so we round above + // This code is carefully tuned to work with large values (e.g. high ranges of U64) while preserving this property.. + FLOATTYPE v_new_off_f = (v_max - v_min) * clicked_t; + TYPE v_new_off_floor = (TYPE)(v_new_off_f); + TYPE v_new_off_round = (TYPE)(v_new_off_f + (FLOATTYPE)0.5); + if (v_new_off_floor < v_new_off_round) + v_new = v_min + v_new_off_round; + else + v_new = v_min + v_new_off_floor; + } + } + + // Round to user desired precision based on format string + v_new = RoundScalarWithFormatT(format, data_type, v_new); + + // Apply result + if (*v != v_new) + { + *v = v_new; + value_changed = true; + } + } + } + + if (slider_sz < 1.0f) + { + *out_grab_bb = ImRect(bb.Min, bb.Min); + } + else + { + // Output grab position so it can be displayed by the caller + float grab_t = SliderCalcRatioFromValueT(data_type, *v, v_min, v_max, power, linear_zero_pos); + if (axis == ImGuiAxis_Y) + grab_t = 1.0f - grab_t; + const float grab_pos = ImLerp(slider_usable_pos_min, slider_usable_pos_max, grab_t); + if (axis == ImGuiAxis_X) + *out_grab_bb = ImRect(grab_pos - grab_sz * 0.5f, bb.Min.y + grab_padding, grab_pos + grab_sz * 0.5f, bb.Max.y - grab_padding); + else + *out_grab_bb = ImRect(bb.Min.x + grab_padding, grab_pos - grab_sz * 0.5f, bb.Max.x - grab_padding, grab_pos + grab_sz * 0.5f); + } + + return value_changed; +} + +// For 32-bit and larger types, slider bounds are limited to half the natural type range. +// So e.g. an integer Slider between INT_MAX-10 and INT_MAX will fail, but an integer Slider between INT_MAX/2-10 and INT_MAX/2 will be ok. +// It would be possible to lift that limitation with some work but it doesn't seem to be worth it for sliders. +bool ImGui::SliderBehavior(const ImRect& bb, ImGuiID id, ImGuiDataType data_type, void* p_v, const void* p_min, const void* p_max, const char* format, float power, ImGuiSliderFlags flags, ImRect* out_grab_bb) +{ + switch (data_type) + { + case ImGuiDataType_S8: { ImS32 v32 = (ImS32)*(ImS8*)p_v; bool r = SliderBehaviorT(bb, id, ImGuiDataType_S32, &v32, *(const ImS8*)p_min, *(const ImS8*)p_max, format, power, flags, out_grab_bb); if (r) *(ImS8*)p_v = (ImS8)v32; return r; } + case ImGuiDataType_U8: { ImU32 v32 = (ImU32)*(ImU8*)p_v; bool r = SliderBehaviorT(bb, id, ImGuiDataType_U32, &v32, *(const ImU8*)p_min, *(const ImU8*)p_max, format, power, flags, out_grab_bb); if (r) *(ImU8*)p_v = (ImU8)v32; return r; } + case ImGuiDataType_S16: { ImS32 v32 = (ImS32)*(ImS16*)p_v; bool r = SliderBehaviorT(bb, id, ImGuiDataType_S32, &v32, *(const ImS16*)p_min, *(const ImS16*)p_max, format, power, flags, out_grab_bb); if (r) *(ImS16*)p_v = (ImS16)v32; return r; } + case ImGuiDataType_U16: { ImU32 v32 = (ImU32)*(ImU16*)p_v; bool r = SliderBehaviorT(bb, id, ImGuiDataType_U32, &v32, *(const ImU16*)p_min, *(const ImU16*)p_max, format, power, flags, out_grab_bb); if (r) *(ImU16*)p_v = (ImU16)v32; return r; } + case ImGuiDataType_S32: + IM_ASSERT(*(const ImS32*)p_min >= IM_S32_MIN/2 && *(const ImS32*)p_max <= IM_S32_MAX/2); + return SliderBehaviorT(bb, id, data_type, (ImS32*)p_v, *(const ImS32*)p_min, *(const ImS32*)p_max, format, power, flags, out_grab_bb); + case ImGuiDataType_U32: + IM_ASSERT(*(const ImU32*)p_max <= IM_U32_MAX/2); + return SliderBehaviorT(bb, id, data_type, (ImU32*)p_v, *(const ImU32*)p_min, *(const ImU32*)p_max, format, power, flags, out_grab_bb); + case ImGuiDataType_S64: + IM_ASSERT(*(const ImS64*)p_min >= IM_S64_MIN/2 && *(const ImS64*)p_max <= IM_S64_MAX/2); + return SliderBehaviorT(bb, id, data_type, (ImS64*)p_v, *(const ImS64*)p_min, *(const ImS64*)p_max, format, power, flags, out_grab_bb); + case ImGuiDataType_U64: + IM_ASSERT(*(const ImU64*)p_max <= IM_U64_MAX/2); + return SliderBehaviorT(bb, id, data_type, (ImU64*)p_v, *(const ImU64*)p_min, *(const ImU64*)p_max, format, power, flags, out_grab_bb); + case ImGuiDataType_Float: + IM_ASSERT(*(const float*)p_min >= -FLT_MAX/2.0f && *(const float*)p_max <= FLT_MAX/2.0f); + return SliderBehaviorT(bb, id, data_type, (float*)p_v, *(const float*)p_min, *(const float*)p_max, format, power, flags, out_grab_bb); + case ImGuiDataType_Double: + IM_ASSERT(*(const double*)p_min >= -DBL_MAX/2.0f && *(const double*)p_max <= DBL_MAX/2.0f); + return SliderBehaviorT(bb, id, data_type, (double*)p_v, *(const double*)p_min, *(const double*)p_max, format, power, flags, out_grab_bb); + case ImGuiDataType_COUNT: break; + } + IM_ASSERT(0); + return false; +} + +// Note: p_data, p_min and p_max are _pointers_ to a memory address holding the data. For a slider, they are all required. +// Read code of e.g. SliderFloat(), SliderInt() etc. or examples in 'Demo->Widgets->Data Types' to understand how to use this function directly. +bool ImGui::SliderScalar(const char* label, ImGuiDataType data_type, void* p_data, const void* p_min, const void* p_max, const char* format, float power) +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return false; + + ImGuiContext& g = *GImGui; + const ImGuiStyle& style = g.Style; + const ImGuiID id = window->GetID(label); + const float w = CalcItemWidth(); + + const ImVec2 label_size = CalcTextSize(label, NULL, true); + const ImRect frame_bb(window->DC.CursorPos, window->DC.CursorPos + ImVec2(w, label_size.y + style.FramePadding.y*2.0f)); + const ImRect total_bb(frame_bb.Min, frame_bb.Max + ImVec2(label_size.x > 0.0f ? style.ItemInnerSpacing.x + label_size.x : 0.0f, 0.0f)); + + ItemSize(total_bb, style.FramePadding.y); + if (!ItemAdd(total_bb, id, &frame_bb)) + return false; + + // Default format string when passing NULL + if (format == NULL) + format = DataTypeGetInfo(data_type)->PrintFmt; + else if (data_type == ImGuiDataType_S32 && strcmp(format, "%d") != 0) // (FIXME-LEGACY: Patch old "%.0f" format string to use "%d", read function more details.) + format = PatchFormatStringFloatToInt(format); + + // Tabbing or CTRL-clicking on Slider turns it into an input box + const bool hovered = ItemHoverable(frame_bb, id); + bool temp_input_is_active = TempInputIsActive(id); + bool temp_input_start = false; + if (!temp_input_is_active) + { + const bool focus_requested = FocusableItemRegister(window, id); + const bool clicked = (hovered && g.IO.MouseClicked[0]); + if (focus_requested || clicked || g.NavActivateId == id || g.NavInputId == id) + { + SetActiveID(id, window); + SetFocusID(id, window); + FocusWindow(window); + g.ActiveIdUsingNavDirMask |= (1 << ImGuiDir_Left) | (1 << ImGuiDir_Right); + if (focus_requested || (clicked && g.IO.KeyCtrl) || g.NavInputId == id) + { + temp_input_start = true; + FocusableItemUnregister(window); + } + } + } + if (temp_input_is_active || temp_input_start) + return TempInputScalar(frame_bb, id, label, data_type, p_data, format); + + // Draw frame + const ImU32 frame_col = GetColorU32(g.ActiveId == id ? ImGuiCol_FrameBgActive : g.HoveredId == id ? ImGuiCol_FrameBgHovered : ImGuiCol_FrameBg); + RenderNavHighlight(frame_bb, id); + RenderFrame(frame_bb.Min, frame_bb.Max, frame_col, true, g.Style.FrameRounding); + + // Slider behavior + ImRect grab_bb; + const bool value_changed = SliderBehavior(frame_bb, id, data_type, p_data, p_min, p_max, format, power, ImGuiSliderFlags_None, &grab_bb); + if (value_changed) + MarkItemEdited(id); + + // Render grab + if (grab_bb.Max.x > grab_bb.Min.x) + window->DrawList->AddRectFilled(grab_bb.Min, grab_bb.Max, GetColorU32(g.ActiveId == id ? ImGuiCol_SliderGrabActive : ImGuiCol_SliderGrab), style.GrabRounding); + + // Display value using user-provided display format so user can add prefix/suffix/decorations to the value. + char value_buf[64]; + const char* value_buf_end = value_buf + DataTypeFormatString(value_buf, IM_ARRAYSIZE(value_buf), data_type, p_data, format); + RenderTextClipped(frame_bb.Min, frame_bb.Max, value_buf, value_buf_end, NULL, ImVec2(0.5f,0.5f)); + + if (label_size.x > 0.0f) + RenderText(ImVec2(frame_bb.Max.x + style.ItemInnerSpacing.x, frame_bb.Min.y + style.FramePadding.y), label); + + IMGUI_TEST_ENGINE_ITEM_INFO(id, label, window->DC.ItemFlags); + return value_changed; +} + +// Add multiple sliders on 1 line for compact edition of multiple components +bool ImGui::SliderScalarN(const char* label, ImGuiDataType data_type, void* v, int components, const void* v_min, const void* v_max, const char* format, float power) +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return false; + + ImGuiContext& g = *GImGui; + bool value_changed = false; + BeginGroup(); + PushID(label); + PushMultiItemsWidths(components, CalcItemWidth()); + size_t type_size = GDataTypeInfo[data_type].Size; + for (int i = 0; i < components; i++) + { + PushID(i); + if (i > 0) + SameLine(0, g.Style.ItemInnerSpacing.x); + value_changed |= SliderScalar("", data_type, v, v_min, v_max, format, power); + PopID(); + PopItemWidth(); + v = (void*)((char*)v + type_size); + } + PopID(); + + const char* label_end = FindRenderedTextEnd(label); + if (label != label_end) + { + SameLine(0, g.Style.ItemInnerSpacing.x); + TextEx(label, label_end); + } + + EndGroup(); + return value_changed; +} + +bool ImGui::SliderFloat(const char* label, float* v, float v_min, float v_max, const char* format, float power) +{ + return SliderScalar(label, ImGuiDataType_Float, v, &v_min, &v_max, format, power); +} + +bool ImGui::SliderFloat2(const char* label, float v[2], float v_min, float v_max, const char* format, float power) +{ + return SliderScalarN(label, ImGuiDataType_Float, v, 2, &v_min, &v_max, format, power); +} + +bool ImGui::SliderFloat3(const char* label, float v[3], float v_min, float v_max, const char* format, float power) +{ + return SliderScalarN(label, ImGuiDataType_Float, v, 3, &v_min, &v_max, format, power); +} + +bool ImGui::SliderFloat4(const char* label, float v[4], float v_min, float v_max, const char* format, float power) +{ + return SliderScalarN(label, ImGuiDataType_Float, v, 4, &v_min, &v_max, format, power); +} + +bool ImGui::SliderAngle(const char* label, float* v_rad, float v_degrees_min, float v_degrees_max, const char* format) +{ + if (format == NULL) + format = "%.0f deg"; + float v_deg = (*v_rad) * 360.0f / (2*IM_PI); + bool value_changed = SliderFloat(label, &v_deg, v_degrees_min, v_degrees_max, format, 1.0f); + *v_rad = v_deg * (2*IM_PI) / 360.0f; + return value_changed; +} + +bool ImGui::SliderInt(const char* label, int* v, int v_min, int v_max, const char* format) +{ + return SliderScalar(label, ImGuiDataType_S32, v, &v_min, &v_max, format); +} + +bool ImGui::SliderInt2(const char* label, int v[2], int v_min, int v_max, const char* format) +{ + return SliderScalarN(label, ImGuiDataType_S32, v, 2, &v_min, &v_max, format); +} + +bool ImGui::SliderInt3(const char* label, int v[3], int v_min, int v_max, const char* format) +{ + return SliderScalarN(label, ImGuiDataType_S32, v, 3, &v_min, &v_max, format); +} + +bool ImGui::SliderInt4(const char* label, int v[4], int v_min, int v_max, const char* format) +{ + return SliderScalarN(label, ImGuiDataType_S32, v, 4, &v_min, &v_max, format); +} + +bool ImGui::VSliderScalar(const char* label, const ImVec2& size, ImGuiDataType data_type, void* p_data, const void* p_min, const void* p_max, const char* format, float power) +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return false; + + ImGuiContext& g = *GImGui; + const ImGuiStyle& style = g.Style; + const ImGuiID id = window->GetID(label); + + const ImVec2 label_size = CalcTextSize(label, NULL, true); + const ImRect frame_bb(window->DC.CursorPos, window->DC.CursorPos + size); + const ImRect bb(frame_bb.Min, frame_bb.Max + ImVec2(label_size.x > 0.0f ? style.ItemInnerSpacing.x + label_size.x : 0.0f, 0.0f)); + + ItemSize(bb, style.FramePadding.y); + if (!ItemAdd(frame_bb, id)) + return false; + + // Default format string when passing NULL + if (format == NULL) + format = DataTypeGetInfo(data_type)->PrintFmt; + else if (data_type == ImGuiDataType_S32 && strcmp(format, "%d") != 0) // (FIXME-LEGACY: Patch old "%.0f" format string to use "%d", read function more details.) + format = PatchFormatStringFloatToInt(format); + + const bool hovered = ItemHoverable(frame_bb, id); + if ((hovered && g.IO.MouseClicked[0]) || g.NavActivateId == id || g.NavInputId == id) + { + SetActiveID(id, window); + SetFocusID(id, window); + FocusWindow(window); + g.ActiveIdUsingNavDirMask |= (1 << ImGuiDir_Up) | (1 << ImGuiDir_Down); + } + + // Draw frame + const ImU32 frame_col = GetColorU32(g.ActiveId == id ? ImGuiCol_FrameBgActive : g.HoveredId == id ? ImGuiCol_FrameBgHovered : ImGuiCol_FrameBg); + RenderNavHighlight(frame_bb, id); + RenderFrame(frame_bb.Min, frame_bb.Max, frame_col, true, g.Style.FrameRounding); + + // Slider behavior + ImRect grab_bb; + const bool value_changed = SliderBehavior(frame_bb, id, data_type, p_data, p_min, p_max, format, power, ImGuiSliderFlags_Vertical, &grab_bb); + if (value_changed) + MarkItemEdited(id); + + // Render grab + if (grab_bb.Max.y > grab_bb.Min.y) + window->DrawList->AddRectFilled(grab_bb.Min, grab_bb.Max, GetColorU32(g.ActiveId == id ? ImGuiCol_SliderGrabActive : ImGuiCol_SliderGrab), style.GrabRounding); + + // Display value using user-provided display format so user can add prefix/suffix/decorations to the value. + // For the vertical slider we allow centered text to overlap the frame padding + char value_buf[64]; + const char* value_buf_end = value_buf + DataTypeFormatString(value_buf, IM_ARRAYSIZE(value_buf), data_type, p_data, format); + RenderTextClipped(ImVec2(frame_bb.Min.x, frame_bb.Min.y + style.FramePadding.y), frame_bb.Max, value_buf, value_buf_end, NULL, ImVec2(0.5f,0.0f)); + if (label_size.x > 0.0f) + RenderText(ImVec2(frame_bb.Max.x + style.ItemInnerSpacing.x, frame_bb.Min.y + style.FramePadding.y), label); + + return value_changed; +} + +bool ImGui::VSliderFloat(const char* label, const ImVec2& size, float* v, float v_min, float v_max, const char* format, float power) +{ + return VSliderScalar(label, size, ImGuiDataType_Float, v, &v_min, &v_max, format, power); +} + +bool ImGui::VSliderInt(const char* label, const ImVec2& size, int* v, int v_min, int v_max, const char* format) +{ + return VSliderScalar(label, size, ImGuiDataType_S32, v, &v_min, &v_max, format); +} + +//------------------------------------------------------------------------- +// [SECTION] Widgets: InputScalar, InputFloat, InputInt, etc. +//------------------------------------------------------------------------- +// - ImParseFormatFindStart() [Internal] +// - ImParseFormatFindEnd() [Internal] +// - ImParseFormatTrimDecorations() [Internal] +// - ImParseFormatPrecision() [Internal] +// - TempInputTextScalar() [Internal] +// - InputScalar() +// - InputScalarN() +// - InputFloat() +// - InputFloat2() +// - InputFloat3() +// - InputFloat4() +// - InputInt() +// - InputInt2() +// - InputInt3() +// - InputInt4() +// - InputDouble() +//------------------------------------------------------------------------- + +// We don't use strchr() because our strings are usually very short and often start with '%' +const char* ImParseFormatFindStart(const char* fmt) +{ + while (char c = fmt[0]) + { + if (c == '%' && fmt[1] != '%') + return fmt; + else if (c == '%') + fmt++; + fmt++; + } + return fmt; +} + +const char* ImParseFormatFindEnd(const char* fmt) +{ + // Printf/scanf types modifiers: I/L/h/j/l/t/w/z. Other uppercase letters qualify as types aka end of the format. + if (fmt[0] != '%') + return fmt; + const unsigned int ignored_uppercase_mask = (1 << ('I'-'A')) | (1 << ('L'-'A')); + const unsigned int ignored_lowercase_mask = (1 << ('h'-'a')) | (1 << ('j'-'a')) | (1 << ('l'-'a')) | (1 << ('t'-'a')) | (1 << ('w'-'a')) | (1 << ('z'-'a')); + for (char c; (c = *fmt) != 0; fmt++) + { + if (c >= 'A' && c <= 'Z' && ((1 << (c - 'A')) & ignored_uppercase_mask) == 0) + return fmt + 1; + if (c >= 'a' && c <= 'z' && ((1 << (c - 'a')) & ignored_lowercase_mask) == 0) + return fmt + 1; + } + return fmt; +} + +// Extract the format out of a format string with leading or trailing decorations +// fmt = "blah blah" -> return fmt +// fmt = "%.3f" -> return fmt +// fmt = "hello %.3f" -> return fmt + 6 +// fmt = "%.3f hello" -> return buf written with "%.3f" +const char* ImParseFormatTrimDecorations(const char* fmt, char* buf, size_t buf_size) +{ + const char* fmt_start = ImParseFormatFindStart(fmt); + if (fmt_start[0] != '%') + return fmt; + const char* fmt_end = ImParseFormatFindEnd(fmt_start); + if (fmt_end[0] == 0) // If we only have leading decoration, we don't need to copy the data. + return fmt_start; + ImStrncpy(buf, fmt_start, ImMin((size_t)(fmt_end - fmt_start) + 1, buf_size)); + return buf; +} + +// Parse display precision back from the display format string +// FIXME: This is still used by some navigation code path to infer a minimum tweak step, but we should aim to rework widgets so it isn't needed. +int ImParseFormatPrecision(const char* fmt, int default_precision) +{ + fmt = ImParseFormatFindStart(fmt); + if (fmt[0] != '%') + return default_precision; + fmt++; + while (*fmt >= '0' && *fmt <= '9') + fmt++; + int precision = INT_MAX; + if (*fmt == '.') + { + fmt = ImAtoi(fmt + 1, &precision); + if (precision < 0 || precision > 99) + precision = default_precision; + } + if (*fmt == 'e' || *fmt == 'E') // Maximum precision with scientific notation + precision = -1; + if ((*fmt == 'g' || *fmt == 'G') && precision == INT_MAX) + precision = -1; + return (precision == INT_MAX) ? default_precision : precision; +} + +// Create text input in place of another active widget (e.g. used when doing a CTRL+Click on drag/slider widgets) +// FIXME: Facilitate using this in variety of other situations. +bool ImGui::TempInputText(const ImRect& bb, ImGuiID id, const char* label, char* buf, int buf_size, ImGuiInputTextFlags flags) +{ + // On the first frame, g.TempInputTextId == 0, then on subsequent frames it becomes == id. + // We clear ActiveID on the first frame to allow the InputText() taking it back. + ImGuiContext& g = *GImGui; + const bool init = (g.TempInputId != id); + if (init) + ClearActiveID(); + + g.CurrentWindow->DC.CursorPos = bb.Min; + bool value_changed = InputTextEx(label, NULL, buf, buf_size, bb.GetSize(), flags); + if (init) + { + // First frame we started displaying the InputText widget, we expect it to take the active id. + IM_ASSERT(g.ActiveId == id); + g.TempInputId = g.ActiveId; + } + return value_changed; +} + +bool ImGui::TempInputScalar(const ImRect& bb, ImGuiID id, const char* label, ImGuiDataType data_type, void* p_data, const char* format) +{ + ImGuiContext& g = *GImGui; + + char fmt_buf[32]; + char data_buf[32]; + format = ImParseFormatTrimDecorations(format, fmt_buf, IM_ARRAYSIZE(fmt_buf)); + DataTypeFormatString(data_buf, IM_ARRAYSIZE(data_buf), data_type, p_data, format); + ImStrTrimBlanks(data_buf); + + ImGuiInputTextFlags flags = ImGuiInputTextFlags_AutoSelectAll | ImGuiInputTextFlags_NoMarkEdited; + flags |= ((data_type == ImGuiDataType_Float || data_type == ImGuiDataType_Double) ? ImGuiInputTextFlags_CharsScientific : ImGuiInputTextFlags_CharsDecimal); + bool value_changed = TempInputText(bb, id, label, data_buf, IM_ARRAYSIZE(data_buf), flags); + if (value_changed) + { + value_changed = DataTypeApplyOpFromText(data_buf, g.InputTextState.InitialTextA.Data, data_type, p_data, NULL); + if (value_changed) + MarkItemEdited(id); + } + return value_changed; +} + +// Note: p_data, p_step, p_step_fast are _pointers_ to a memory address holding the data. For an Input widget, p_step and p_step_fast are optional. +// Read code of e.g. InputFloat(), InputInt() etc. or examples in 'Demo->Widgets->Data Types' to understand how to use this function directly. +bool ImGui::InputScalar(const char* label, ImGuiDataType data_type, void* p_data, const void* p_step, const void* p_step_fast, const char* format, ImGuiInputTextFlags flags) +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return false; + + ImGuiContext& g = *GImGui; + ImGuiStyle& style = g.Style; + + if (format == NULL) + format = DataTypeGetInfo(data_type)->PrintFmt; + + char buf[64]; + DataTypeFormatString(buf, IM_ARRAYSIZE(buf), data_type, p_data, format); + + bool value_changed = false; + if ((flags & (ImGuiInputTextFlags_CharsHexadecimal | ImGuiInputTextFlags_CharsScientific)) == 0) + flags |= ImGuiInputTextFlags_CharsDecimal; + flags |= ImGuiInputTextFlags_AutoSelectAll; + flags |= ImGuiInputTextFlags_NoMarkEdited; // We call MarkItemEdited() ourselve by comparing the actual data rather than the string. + + if (p_step != NULL) + { + const float button_size = GetFrameHeight(); + + BeginGroup(); // The only purpose of the group here is to allow the caller to query item data e.g. IsItemActive() + PushID(label); + SetNextItemWidth(ImMax(1.0f, CalcItemWidth() - (button_size + style.ItemInnerSpacing.x) * 2)); + if (InputText("", buf, IM_ARRAYSIZE(buf), flags)) // PushId(label) + "" gives us the expected ID from outside point of view + value_changed = DataTypeApplyOpFromText(buf, g.InputTextState.InitialTextA.Data, data_type, p_data, format); + + // Step buttons + const ImVec2 backup_frame_padding = style.FramePadding; + style.FramePadding.x = style.FramePadding.y; + ImGuiButtonFlags button_flags = ImGuiButtonFlags_Repeat | ImGuiButtonFlags_DontClosePopups; + if (flags & ImGuiInputTextFlags_ReadOnly) + button_flags |= ImGuiButtonFlags_Disabled; + SameLine(0, style.ItemInnerSpacing.x); + if (ButtonEx("-", ImVec2(button_size, button_size), button_flags)) + { + DataTypeApplyOp(data_type, '-', p_data, p_data, g.IO.KeyCtrl && p_step_fast ? p_step_fast : p_step); + value_changed = true; + } + SameLine(0, style.ItemInnerSpacing.x); + if (ButtonEx("+", ImVec2(button_size, button_size), button_flags)) + { + DataTypeApplyOp(data_type, '+', p_data, p_data, g.IO.KeyCtrl && p_step_fast ? p_step_fast : p_step); + value_changed = true; + } + + const char* label_end = FindRenderedTextEnd(label); + if (label != label_end) + { + SameLine(0, style.ItemInnerSpacing.x); + TextEx(label, label_end); + } + style.FramePadding = backup_frame_padding; + + PopID(); + EndGroup(); + } + else + { + if (InputText(label, buf, IM_ARRAYSIZE(buf), flags)) + value_changed = DataTypeApplyOpFromText(buf, g.InputTextState.InitialTextA.Data, data_type, p_data, format); + } + if (value_changed) + MarkItemEdited(window->DC.LastItemId); + + return value_changed; +} + +bool ImGui::InputScalarN(const char* label, ImGuiDataType data_type, void* p_data, int components, const void* p_step, const void* p_step_fast, const char* format, ImGuiInputTextFlags flags) +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return false; + + ImGuiContext& g = *GImGui; + bool value_changed = false; + BeginGroup(); + PushID(label); + PushMultiItemsWidths(components, CalcItemWidth()); + size_t type_size = GDataTypeInfo[data_type].Size; + for (int i = 0; i < components; i++) + { + PushID(i); + if (i > 0) + SameLine(0, g.Style.ItemInnerSpacing.x); + value_changed |= InputScalar("", data_type, p_data, p_step, p_step_fast, format, flags); + PopID(); + PopItemWidth(); + p_data = (void*)((char*)p_data + type_size); + } + PopID(); + + const char* label_end = FindRenderedTextEnd(label); + if (label != label_end) + { + SameLine(0.0f, g.Style.ItemInnerSpacing.x); + TextEx(label, label_end); + } + + EndGroup(); + return value_changed; +} + +bool ImGui::InputFloat(const char* label, float* v, float step, float step_fast, const char* format, ImGuiInputTextFlags flags) +{ + flags |= ImGuiInputTextFlags_CharsScientific; + return InputScalar(label, ImGuiDataType_Float, (void*)v, (void*)(step>0.0f ? &step : NULL), (void*)(step_fast>0.0f ? &step_fast : NULL), format, flags); +} + +bool ImGui::InputFloat2(const char* label, float v[2], const char* format, ImGuiInputTextFlags flags) +{ + return InputScalarN(label, ImGuiDataType_Float, v, 2, NULL, NULL, format, flags); +} + +bool ImGui::InputFloat3(const char* label, float v[3], const char* format, ImGuiInputTextFlags flags) +{ + return InputScalarN(label, ImGuiDataType_Float, v, 3, NULL, NULL, format, flags); +} + +bool ImGui::InputFloat4(const char* label, float v[4], const char* format, ImGuiInputTextFlags flags) +{ + return InputScalarN(label, ImGuiDataType_Float, v, 4, NULL, NULL, format, flags); +} + +// Prefer using "const char* format" directly, which is more flexible and consistent with other API. +#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS +bool ImGui::InputFloat(const char* label, float* v, float step, float step_fast, int decimal_precision, ImGuiInputTextFlags flags) +{ + char format[16] = "%f"; + if (decimal_precision >= 0) + ImFormatString(format, IM_ARRAYSIZE(format), "%%.%df", decimal_precision); + return InputFloat(label, v, step, step_fast, format, flags); +} + +bool ImGui::InputFloat2(const char* label, float v[2], int decimal_precision, ImGuiInputTextFlags flags) +{ + char format[16] = "%f"; + if (decimal_precision >= 0) + ImFormatString(format, IM_ARRAYSIZE(format), "%%.%df", decimal_precision); + return InputScalarN(label, ImGuiDataType_Float, v, 2, NULL, NULL, format, flags); +} + +bool ImGui::InputFloat3(const char* label, float v[3], int decimal_precision, ImGuiInputTextFlags flags) +{ + char format[16] = "%f"; + if (decimal_precision >= 0) + ImFormatString(format, IM_ARRAYSIZE(format), "%%.%df", decimal_precision); + return InputScalarN(label, ImGuiDataType_Float, v, 3, NULL, NULL, format, flags); +} + +bool ImGui::InputFloat4(const char* label, float v[4], int decimal_precision, ImGuiInputTextFlags flags) +{ + char format[16] = "%f"; + if (decimal_precision >= 0) + ImFormatString(format, IM_ARRAYSIZE(format), "%%.%df", decimal_precision); + return InputScalarN(label, ImGuiDataType_Float, v, 4, NULL, NULL, format, flags); +} +#endif // IMGUI_DISABLE_OBSOLETE_FUNCTIONS + +bool ImGui::InputInt(const char* label, int* v, int step, int step_fast, ImGuiInputTextFlags flags) +{ + // Hexadecimal input provided as a convenience but the flag name is awkward. Typically you'd use InputText() to parse your own data, if you want to handle prefixes. + const char* format = (flags & ImGuiInputTextFlags_CharsHexadecimal) ? "%08X" : "%d"; + return InputScalar(label, ImGuiDataType_S32, (void*)v, (void*)(step>0 ? &step : NULL), (void*)(step_fast>0 ? &step_fast : NULL), format, flags); +} + +bool ImGui::InputInt2(const char* label, int v[2], ImGuiInputTextFlags flags) +{ + return InputScalarN(label, ImGuiDataType_S32, v, 2, NULL, NULL, "%d", flags); +} + +bool ImGui::InputInt3(const char* label, int v[3], ImGuiInputTextFlags flags) +{ + return InputScalarN(label, ImGuiDataType_S32, v, 3, NULL, NULL, "%d", flags); +} + +bool ImGui::InputInt4(const char* label, int v[4], ImGuiInputTextFlags flags) +{ + return InputScalarN(label, ImGuiDataType_S32, v, 4, NULL, NULL, "%d", flags); +} + +bool ImGui::InputDouble(const char* label, double* v, double step, double step_fast, const char* format, ImGuiInputTextFlags flags) +{ + flags |= ImGuiInputTextFlags_CharsScientific; + return InputScalar(label, ImGuiDataType_Double, (void*)v, (void*)(step>0.0 ? &step : NULL), (void*)(step_fast>0.0 ? &step_fast : NULL), format, flags); +} + +//------------------------------------------------------------------------- +// [SECTION] Widgets: InputText, InputTextMultiline, InputTextWithHint +//------------------------------------------------------------------------- +// - InputText() +// - InputTextWithHint() +// - InputTextMultiline() +// - InputTextEx() [Internal] +//------------------------------------------------------------------------- + +bool ImGui::InputText(const char* label, char* buf, size_t buf_size, ImGuiInputTextFlags flags, ImGuiInputTextCallback callback, void* user_data) +{ + IM_ASSERT(!(flags & ImGuiInputTextFlags_Multiline)); // call InputTextMultiline() + return InputTextEx(label, NULL, buf, (int)buf_size, ImVec2(0,0), flags, callback, user_data); +} + +bool ImGui::InputTextMultiline(const char* label, char* buf, size_t buf_size, const ImVec2& size, ImGuiInputTextFlags flags, ImGuiInputTextCallback callback, void* user_data) +{ + return InputTextEx(label, NULL, buf, (int)buf_size, size, flags | ImGuiInputTextFlags_Multiline, callback, user_data); +} + +bool ImGui::InputTextWithHint(const char* label, const char* hint, char* buf, size_t buf_size, ImGuiInputTextFlags flags, ImGuiInputTextCallback callback, void* user_data) +{ + IM_ASSERT(!(flags & ImGuiInputTextFlags_Multiline)); // call InputTextMultiline() + return InputTextEx(label, hint, buf, (int)buf_size, ImVec2(0, 0), flags, callback, user_data); +} + +static int InputTextCalcTextLenAndLineCount(const char* text_begin, const char** out_text_end) +{ + int line_count = 0; + const char* s = text_begin; + while (char c = *s++) // We are only matching for \n so we can ignore UTF-8 decoding + if (c == '\n') + line_count++; + s--; + if (s[0] != '\n' && s[0] != '\r') + line_count++; + *out_text_end = s; + return line_count; +} + +static ImVec2 InputTextCalcTextSizeW(const ImWchar* text_begin, const ImWchar* text_end, const ImWchar** remaining, ImVec2* out_offset, bool stop_on_new_line) +{ + ImGuiContext& g = *GImGui; + ImFont* font = g.Font; + const float line_height = g.FontSize; + const float scale = line_height / font->FontSize; + + ImVec2 text_size = ImVec2(0,0); + float line_width = 0.0f; + + const ImWchar* s = text_begin; + while (s < text_end) + { + unsigned int c = (unsigned int)(*s++); + if (c == '\n') + { + text_size.x = ImMax(text_size.x, line_width); + text_size.y += line_height; + line_width = 0.0f; + if (stop_on_new_line) + break; + continue; + } + if (c == '\r') + continue; + + const float char_width = font->GetCharAdvance((ImWchar)c) * scale; + line_width += char_width; + } + + if (text_size.x < line_width) + text_size.x = line_width; + + if (out_offset) + *out_offset = ImVec2(line_width, text_size.y + line_height); // offset allow for the possibility of sitting after a trailing \n + + if (line_width > 0 || text_size.y == 0.0f) // whereas size.y will ignore the trailing \n + text_size.y += line_height; + + if (remaining) + *remaining = s; + + return text_size; +} + +// Wrapper for stb_textedit.h to edit text (our wrapper is for: statically sized buffer, single-line, wchar characters. InputText converts between UTF-8 and wchar) +namespace ImStb +{ + +static int STB_TEXTEDIT_STRINGLEN(const STB_TEXTEDIT_STRING* obj) { return obj->CurLenW; } +static ImWchar STB_TEXTEDIT_GETCHAR(const STB_TEXTEDIT_STRING* obj, int idx) { return obj->TextW[idx]; } +static float STB_TEXTEDIT_GETWIDTH(STB_TEXTEDIT_STRING* obj, int line_start_idx, int char_idx) { ImWchar c = obj->TextW[line_start_idx + char_idx]; if (c == '\n') return STB_TEXTEDIT_GETWIDTH_NEWLINE; ImGuiContext& g = *GImGui; return g.Font->GetCharAdvance(c) * (g.FontSize / g.Font->FontSize); } +static int STB_TEXTEDIT_KEYTOTEXT(int key) { return key >= 0x200000 ? 0 : key; } +static ImWchar STB_TEXTEDIT_NEWLINE = '\n'; +static void STB_TEXTEDIT_LAYOUTROW(StbTexteditRow* r, STB_TEXTEDIT_STRING* obj, int line_start_idx) +{ + const ImWchar* text = obj->TextW.Data; + const ImWchar* text_remaining = NULL; + const ImVec2 size = InputTextCalcTextSizeW(text + line_start_idx, text + obj->CurLenW, &text_remaining, NULL, true); + r->x0 = 0.0f; + r->x1 = size.x; + r->baseline_y_delta = size.y; + r->ymin = 0.0f; + r->ymax = size.y; + r->num_chars = (int)(text_remaining - (text + line_start_idx)); +} + +static bool is_separator(unsigned int c) { return ImCharIsBlankW(c) || c==',' || c==';' || c=='(' || c==')' || c=='{' || c=='}' || c=='[' || c==']' || c=='|'; } +static int is_word_boundary_from_right(STB_TEXTEDIT_STRING* obj, int idx) { return idx > 0 ? (is_separator( obj->TextW[idx-1] ) && !is_separator( obj->TextW[idx] ) ) : 1; } +static int STB_TEXTEDIT_MOVEWORDLEFT_IMPL(STB_TEXTEDIT_STRING* obj, int idx) { idx--; while (idx >= 0 && !is_word_boundary_from_right(obj, idx)) idx--; return idx < 0 ? 0 : idx; } +#ifdef __APPLE__ // FIXME: Move setting to IO structure +static int is_word_boundary_from_left(STB_TEXTEDIT_STRING* obj, int idx) { return idx > 0 ? (!is_separator( obj->TextW[idx-1] ) && is_separator( obj->TextW[idx] ) ) : 1; } +static int STB_TEXTEDIT_MOVEWORDRIGHT_IMPL(STB_TEXTEDIT_STRING* obj, int idx) { idx++; int len = obj->CurLenW; while (idx < len && !is_word_boundary_from_left(obj, idx)) idx++; return idx > len ? len : idx; } +#else +static int STB_TEXTEDIT_MOVEWORDRIGHT_IMPL(STB_TEXTEDIT_STRING* obj, int idx) { idx++; int len = obj->CurLenW; while (idx < len && !is_word_boundary_from_right(obj, idx)) idx++; return idx > len ? len : idx; } +#endif +#define STB_TEXTEDIT_MOVEWORDLEFT STB_TEXTEDIT_MOVEWORDLEFT_IMPL // They need to be #define for stb_textedit.h +#define STB_TEXTEDIT_MOVEWORDRIGHT STB_TEXTEDIT_MOVEWORDRIGHT_IMPL + +static void STB_TEXTEDIT_DELETECHARS(STB_TEXTEDIT_STRING* obj, int pos, int n) +{ + ImWchar* dst = obj->TextW.Data + pos; + + // We maintain our buffer length in both UTF-8 and wchar formats + obj->CurLenA -= ImTextCountUtf8BytesFromStr(dst, dst + n); + obj->CurLenW -= n; + + // Offset remaining text (FIXME-OPT: Use memmove) + const ImWchar* src = obj->TextW.Data + pos + n; + while (ImWchar c = *src++) + *dst++ = c; + *dst = '\0'; +} + +static bool STB_TEXTEDIT_INSERTCHARS(STB_TEXTEDIT_STRING* obj, int pos, const ImWchar* new_text, int new_text_len) +{ + const bool is_resizable = (obj->UserFlags & ImGuiInputTextFlags_CallbackResize) != 0; + const int text_len = obj->CurLenW; + IM_ASSERT(pos <= text_len); + + const int new_text_len_utf8 = ImTextCountUtf8BytesFromStr(new_text, new_text + new_text_len); + if (!is_resizable && (new_text_len_utf8 + obj->CurLenA + 1 > obj->BufCapacityA)) + return false; + + // Grow internal buffer if needed + if (new_text_len + text_len + 1 > obj->TextW.Size) + { + if (!is_resizable) + return false; + IM_ASSERT(text_len < obj->TextW.Size); + obj->TextW.resize(text_len + ImClamp(new_text_len * 4, 32, ImMax(256, new_text_len)) + 1); + } + + ImWchar* text = obj->TextW.Data; + if (pos != text_len) + memmove(text + pos + new_text_len, text + pos, (size_t)(text_len - pos) * sizeof(ImWchar)); + memcpy(text + pos, new_text, (size_t)new_text_len * sizeof(ImWchar)); + + obj->CurLenW += new_text_len; + obj->CurLenA += new_text_len_utf8; + obj->TextW[obj->CurLenW] = '\0'; + + return true; +} + +// We don't use an enum so we can build even with conflicting symbols (if another user of stb_textedit.h leak their STB_TEXTEDIT_K_* symbols) +#define STB_TEXTEDIT_K_LEFT 0x200000 // keyboard input to move cursor left +#define STB_TEXTEDIT_K_RIGHT 0x200001 // keyboard input to move cursor right +#define STB_TEXTEDIT_K_UP 0x200002 // keyboard input to move cursor up +#define STB_TEXTEDIT_K_DOWN 0x200003 // keyboard input to move cursor down +#define STB_TEXTEDIT_K_LINESTART 0x200004 // keyboard input to move cursor to start of line +#define STB_TEXTEDIT_K_LINEEND 0x200005 // keyboard input to move cursor to end of line +#define STB_TEXTEDIT_K_TEXTSTART 0x200006 // keyboard input to move cursor to start of text +#define STB_TEXTEDIT_K_TEXTEND 0x200007 // keyboard input to move cursor to end of text +#define STB_TEXTEDIT_K_DELETE 0x200008 // keyboard input to delete selection or character under cursor +#define STB_TEXTEDIT_K_BACKSPACE 0x200009 // keyboard input to delete selection or character left of cursor +#define STB_TEXTEDIT_K_UNDO 0x20000A // keyboard input to perform undo +#define STB_TEXTEDIT_K_REDO 0x20000B // keyboard input to perform redo +#define STB_TEXTEDIT_K_WORDLEFT 0x20000C // keyboard input to move cursor left one word +#define STB_TEXTEDIT_K_WORDRIGHT 0x20000D // keyboard input to move cursor right one word +#define STB_TEXTEDIT_K_SHIFT 0x400000 + +#define STB_TEXTEDIT_IMPLEMENTATION +#include "imstb_textedit.h" + +// stb_textedit internally allows for a single undo record to do addition and deletion, but somehow, calling +// the stb_textedit_paste() function creates two separate records, so we perform it manually. (FIXME: Report to nothings/stb?) +static void stb_textedit_replace(STB_TEXTEDIT_STRING* str, STB_TexteditState* state, const STB_TEXTEDIT_CHARTYPE* text, int text_len) +{ + stb_text_makeundo_replace(str, state, 0, str->CurLenW, text_len); + ImStb::STB_TEXTEDIT_DELETECHARS(str, 0, str->CurLenW); + if (text_len <= 0) + return; + if (ImStb::STB_TEXTEDIT_INSERTCHARS(str, 0, text, text_len)) + { + state->cursor = text_len; + state->has_preferred_x = 0; + return; + } + IM_ASSERT(0); // Failed to insert character, normally shouldn't happen because of how we currently use stb_textedit_replace() +} + +} // namespace ImStb + +void ImGuiInputTextState::OnKeyPressed(int key) +{ + stb_textedit_key(this, &Stb, key); + CursorFollow = true; + CursorAnimReset(); +} + +ImGuiInputTextCallbackData::ImGuiInputTextCallbackData() +{ + memset(this, 0, sizeof(*this)); +} + +// Public API to manipulate UTF-8 text +// We expose UTF-8 to the user (unlike the STB_TEXTEDIT_* functions which are manipulating wchar) +// FIXME: The existence of this rarely exercised code path is a bit of a nuisance. +void ImGuiInputTextCallbackData::DeleteChars(int pos, int bytes_count) +{ + IM_ASSERT(pos + bytes_count <= BufTextLen); + char* dst = Buf + pos; + const char* src = Buf + pos + bytes_count; + while (char c = *src++) + *dst++ = c; + *dst = '\0'; + + if (CursorPos + bytes_count >= pos) + CursorPos -= bytes_count; + else if (CursorPos >= pos) + CursorPos = pos; + SelectionStart = SelectionEnd = CursorPos; + BufDirty = true; + BufTextLen -= bytes_count; +} + +void ImGuiInputTextCallbackData::InsertChars(int pos, const char* new_text, const char* new_text_end) +{ + const bool is_resizable = (Flags & ImGuiInputTextFlags_CallbackResize) != 0; + const int new_text_len = new_text_end ? (int)(new_text_end - new_text) : (int)strlen(new_text); + if (new_text_len + BufTextLen >= BufSize) + { + if (!is_resizable) + return; + + // Contrary to STB_TEXTEDIT_INSERTCHARS() this is working in the UTF8 buffer, hence the midly similar code (until we remove the U16 buffer alltogether!) + ImGuiContext& g = *GImGui; + ImGuiInputTextState* edit_state = &g.InputTextState; + IM_ASSERT(edit_state->ID != 0 && g.ActiveId == edit_state->ID); + IM_ASSERT(Buf == edit_state->TextA.Data); + int new_buf_size = BufTextLen + ImClamp(new_text_len * 4, 32, ImMax(256, new_text_len)) + 1; + edit_state->TextA.reserve(new_buf_size + 1); + Buf = edit_state->TextA.Data; + BufSize = edit_state->BufCapacityA = new_buf_size; + } + + if (BufTextLen != pos) + memmove(Buf + pos + new_text_len, Buf + pos, (size_t)(BufTextLen - pos)); + memcpy(Buf + pos, new_text, (size_t)new_text_len * sizeof(char)); + Buf[BufTextLen + new_text_len] = '\0'; + + if (CursorPos >= pos) + CursorPos += new_text_len; + SelectionStart = SelectionEnd = CursorPos; + BufDirty = true; + BufTextLen += new_text_len; +} + +// Return false to discard a character. +static bool InputTextFilterCharacter(unsigned int* p_char, ImGuiInputTextFlags flags, ImGuiInputTextCallback callback, void* user_data) +{ + unsigned int c = *p_char; + + // Filter non-printable (NB: isprint is unreliable! see #2467) + if (c < 0x20) + { + bool pass = false; + pass |= (c == '\n' && (flags & ImGuiInputTextFlags_Multiline)); + pass |= (c == '\t' && (flags & ImGuiInputTextFlags_AllowTabInput)); + if (!pass) + return false; + } + + // We ignore Ascii representation of delete (emitted from Backspace on OSX, see #2578, #2817) + if (c == 127) + return false; + + // Filter private Unicode range. GLFW on OSX seems to send private characters for special keys like arrow keys (FIXME) + if (c >= 0xE000 && c <= 0xF8FF) + return false; + + // Filter Unicode ranges we are not handling in this build. + if (c > IM_UNICODE_CODEPOINT_MAX) + return false; + + // Generic named filters + if (flags & (ImGuiInputTextFlags_CharsDecimal | ImGuiInputTextFlags_CharsHexadecimal | ImGuiInputTextFlags_CharsUppercase | ImGuiInputTextFlags_CharsNoBlank | ImGuiInputTextFlags_CharsScientific)) + { + if (flags & ImGuiInputTextFlags_CharsDecimal) + if (!(c >= '0' && c <= '9') && (c != '.') && (c != '-') && (c != '+') && (c != '*') && (c != '/')) + return false; + + if (flags & ImGuiInputTextFlags_CharsScientific) + if (!(c >= '0' && c <= '9') && (c != '.') && (c != '-') && (c != '+') && (c != '*') && (c != '/') && (c != 'e') && (c != 'E')) + return false; + + if (flags & ImGuiInputTextFlags_CharsHexadecimal) + if (!(c >= '0' && c <= '9') && !(c >= 'a' && c <= 'f') && !(c >= 'A' && c <= 'F')) + return false; + + if (flags & ImGuiInputTextFlags_CharsUppercase) + if (c >= 'a' && c <= 'z') + *p_char = (c += (unsigned int)('A'-'a')); + + if (flags & ImGuiInputTextFlags_CharsNoBlank) + if (ImCharIsBlankW(c)) + return false; + } + + // Custom callback filter + if (flags & ImGuiInputTextFlags_CallbackCharFilter) + { + ImGuiInputTextCallbackData callback_data; + memset(&callback_data, 0, sizeof(ImGuiInputTextCallbackData)); + callback_data.EventFlag = ImGuiInputTextFlags_CallbackCharFilter; + callback_data.EventChar = (ImWchar)c; + callback_data.Flags = flags; + callback_data.UserData = user_data; + if (callback(&callback_data) != 0) + return false; + *p_char = callback_data.EventChar; + if (!callback_data.EventChar) + return false; + } + + return true; +} + +// Edit a string of text +// - buf_size account for the zero-terminator, so a buf_size of 6 can hold "Hello" but not "Hello!". +// This is so we can easily call InputText() on static arrays using ARRAYSIZE() and to match +// Note that in std::string world, capacity() would omit 1 byte used by the zero-terminator. +// - When active, hold on a privately held copy of the text (and apply back to 'buf'). So changing 'buf' while the InputText is active has no effect. +// - If you want to use ImGui::InputText() with std::string, see misc/cpp/imgui_stdlib.h +// (FIXME: Rather confusing and messy function, among the worse part of our codebase, expecting to rewrite a V2 at some point.. Partly because we are +// doing UTF8 > U16 > UTF8 conversions on the go to easily interface with stb_textedit. Ideally should stay in UTF-8 all the time. See https://github.com/nothings/stb/issues/188) +bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_size, const ImVec2& size_arg, ImGuiInputTextFlags flags, ImGuiInputTextCallback callback, void* callback_user_data) +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return false; + + IM_ASSERT(!((flags & ImGuiInputTextFlags_CallbackHistory) && (flags & ImGuiInputTextFlags_Multiline))); // Can't use both together (they both use up/down keys) + IM_ASSERT(!((flags & ImGuiInputTextFlags_CallbackCompletion) && (flags & ImGuiInputTextFlags_AllowTabInput))); // Can't use both together (they both use tab key) + + ImGuiContext& g = *GImGui; + ImGuiIO& io = g.IO; + const ImGuiStyle& style = g.Style; + + const bool RENDER_SELECTION_WHEN_INACTIVE = false; + const bool is_multiline = (flags & ImGuiInputTextFlags_Multiline) != 0; + const bool is_readonly = (flags & ImGuiInputTextFlags_ReadOnly) != 0; + const bool is_password = (flags & ImGuiInputTextFlags_Password) != 0; + const bool is_undoable = (flags & ImGuiInputTextFlags_NoUndoRedo) == 0; + const bool is_resizable = (flags & ImGuiInputTextFlags_CallbackResize) != 0; + if (is_resizable) + IM_ASSERT(callback != NULL); // Must provide a callback if you set the ImGuiInputTextFlags_CallbackResize flag! + + if (is_multiline) // Open group before calling GetID() because groups tracks id created within their scope, + BeginGroup(); + const ImGuiID id = window->GetID(label); + const ImVec2 label_size = CalcTextSize(label, NULL, true); + const ImVec2 frame_size = CalcItemSize(size_arg, CalcItemWidth(), (is_multiline ? g.FontSize * 8.0f : label_size.y) + style.FramePadding.y*2.0f); // Arbitrary default of 8 lines high for multi-line + const ImVec2 total_size = ImVec2(frame_size.x + (label_size.x > 0.0f ? style.ItemInnerSpacing.x + label_size.x : 0.0f), frame_size.y); + + const ImRect frame_bb(window->DC.CursorPos, window->DC.CursorPos + frame_size); + const ImRect total_bb(frame_bb.Min, frame_bb.Min + total_size); + + ImGuiWindow* draw_window = window; + ImVec2 inner_size = frame_size; + if (is_multiline) + { + if (!ItemAdd(total_bb, id, &frame_bb)) + { + ItemSize(total_bb, style.FramePadding.y); + EndGroup(); + return false; + } + + // We reproduce the contents of BeginChildFrame() in order to provide 'label' so our window internal data are easier to read/debug. + PushStyleColor(ImGuiCol_ChildBg, style.Colors[ImGuiCol_FrameBg]); + PushStyleVar(ImGuiStyleVar_ChildRounding, style.FrameRounding); + PushStyleVar(ImGuiStyleVar_ChildBorderSize, style.FrameBorderSize); + PushStyleVar(ImGuiStyleVar_WindowPadding, style.FramePadding); + bool child_visible = BeginChildEx(label, id, frame_bb.GetSize(), true, ImGuiWindowFlags_NoMove | ImGuiWindowFlags_AlwaysUseWindowPadding); + PopStyleVar(3); + PopStyleColor(); + if (!child_visible) + { + EndChild(); + EndGroup(); + return false; + } + draw_window = g.CurrentWindow; // Child window + draw_window->DC.NavLayerActiveMaskNext |= draw_window->DC.NavLayerCurrentMask; // This is to ensure that EndChild() will display a navigation highlight so we can "enter" into it. + inner_size.x -= draw_window->ScrollbarSizes.x; + } + else + { + ItemSize(total_bb, style.FramePadding.y); + if (!ItemAdd(total_bb, id, &frame_bb)) + return false; + } + const bool hovered = ItemHoverable(frame_bb, id); + if (hovered) + g.MouseCursor = ImGuiMouseCursor_TextInput; + + // We are only allowed to access the state if we are already the active widget. + ImGuiInputTextState* state = GetInputTextState(id); + + const bool focus_requested = FocusableItemRegister(window, id); + const bool focus_requested_by_code = focus_requested && (g.FocusRequestCurrWindow == window && g.FocusRequestCurrCounterRegular == window->DC.FocusCounterRegular); + const bool focus_requested_by_tab = focus_requested && !focus_requested_by_code; + + const bool user_clicked = hovered && io.MouseClicked[0]; + const bool user_nav_input_start = (g.ActiveId != id) && ((g.NavInputId == id) || (g.NavActivateId == id && g.NavInputSource == ImGuiInputSource_NavKeyboard)); + const bool user_scroll_finish = is_multiline && state != NULL && g.ActiveId == 0 && g.ActiveIdPreviousFrame == GetWindowScrollbarID(draw_window, ImGuiAxis_Y); + const bool user_scroll_active = is_multiline && state != NULL && g.ActiveId == GetWindowScrollbarID(draw_window, ImGuiAxis_Y); + + bool clear_active_id = false; + bool select_all = (g.ActiveId != id) && ((flags & ImGuiInputTextFlags_AutoSelectAll) != 0 || user_nav_input_start) && (!is_multiline); + + const bool init_make_active = (focus_requested || user_clicked || user_scroll_finish || user_nav_input_start); + const bool init_state = (init_make_active || user_scroll_active); + if (init_state && g.ActiveId != id) + { + // Access state even if we don't own it yet. + state = &g.InputTextState; + state->CursorAnimReset(); + + // Take a copy of the initial buffer value (both in original UTF-8 format and converted to wchar) + // From the moment we focused we are ignoring the content of 'buf' (unless we are in read-only mode) + const int buf_len = (int)strlen(buf); + state->InitialTextA.resize(buf_len + 1); // UTF-8. we use +1 to make sure that .Data is always pointing to at least an empty string. + memcpy(state->InitialTextA.Data, buf, buf_len + 1); + + // Start edition + const char* buf_end = NULL; + state->TextW.resize(buf_size + 1); // wchar count <= UTF-8 count. we use +1 to make sure that .Data is always pointing to at least an empty string. + state->TextA.resize(0); + state->TextAIsValid = false; // TextA is not valid yet (we will display buf until then) + state->CurLenW = ImTextStrFromUtf8(state->TextW.Data, buf_size, buf, NULL, &buf_end); + state->CurLenA = (int)(buf_end - buf); // We can't get the result from ImStrncpy() above because it is not UTF-8 aware. Here we'll cut off malformed UTF-8. + + // Preserve cursor position and undo/redo stack if we come back to same widget + // FIXME: For non-readonly widgets we might be able to require that TextAIsValid && TextA == buf ? (untested) and discard undo stack if user buffer has changed. + const bool recycle_state = (state->ID == id); + if (recycle_state) + { + // Recycle existing cursor/selection/undo stack but clamp position + // Note a single mouse click will override the cursor/position immediately by calling stb_textedit_click handler. + state->CursorClamp(); + } + else + { + state->ID = id; + state->ScrollX = 0.0f; + stb_textedit_initialize_state(&state->Stb, !is_multiline); + if (!is_multiline && focus_requested_by_code) + select_all = true; + } + if (flags & ImGuiInputTextFlags_AlwaysInsertMode) + state->Stb.insert_mode = 1; + if (!is_multiline && (focus_requested_by_tab || (user_clicked && io.KeyCtrl))) + select_all = true; + } + + if (g.ActiveId != id && init_make_active) + { + IM_ASSERT(state && state->ID == id); + SetActiveID(id, window); + SetFocusID(id, window); + FocusWindow(window); + + // Declare our inputs + IM_ASSERT(ImGuiNavInput_COUNT < 32); + g.ActiveIdUsingNavDirMask |= (1 << ImGuiDir_Left) | (1 << ImGuiDir_Right); + if (is_multiline || (flags & ImGuiInputTextFlags_CallbackHistory)) + g.ActiveIdUsingNavDirMask |= (1 << ImGuiDir_Up) | (1 << ImGuiDir_Down); + g.ActiveIdUsingNavInputMask |= (1 << ImGuiNavInput_Cancel); + g.ActiveIdUsingKeyInputMask |= ((ImU64)1 << ImGuiKey_Home) | ((ImU64)1 << ImGuiKey_End); + if (is_multiline) + g.ActiveIdUsingKeyInputMask |= ((ImU64)1 << ImGuiKey_PageUp) | ((ImU64)1 << ImGuiKey_PageDown); // FIXME-NAV: Page up/down actually not supported yet by widget, but claim them ahead. + if (flags & (ImGuiInputTextFlags_CallbackCompletion | ImGuiInputTextFlags_AllowTabInput)) // Disable keyboard tabbing out as we will use the \t character. + g.ActiveIdUsingKeyInputMask |= ((ImU64)1 << ImGuiKey_Tab); + } + + // We have an edge case if ActiveId was set through another widget (e.g. widget being swapped), clear id immediately (don't wait until the end of the function) + if (g.ActiveId == id && state == NULL) + ClearActiveID(); + + // Release focus when we click outside + if (g.ActiveId == id && io.MouseClicked[0] && !init_state && !init_make_active) //-V560 + clear_active_id = true; + + // Lock the decision of whether we are going to take the path displaying the cursor or selection + const bool render_cursor = (g.ActiveId == id) || (state && user_scroll_active); + bool render_selection = state && state->HasSelection() && (RENDER_SELECTION_WHEN_INACTIVE || render_cursor); + bool value_changed = false; + bool enter_pressed = false; + + // When read-only we always use the live data passed to the function + // FIXME-OPT: Because our selection/cursor code currently needs the wide text we need to convert it when active, which is not ideal :( + if (is_readonly && state != NULL && (render_cursor || render_selection)) + { + const char* buf_end = NULL; + state->TextW.resize(buf_size + 1); + state->CurLenW = ImTextStrFromUtf8(state->TextW.Data, state->TextW.Size, buf, NULL, &buf_end); + state->CurLenA = (int)(buf_end - buf); + state->CursorClamp(); + render_selection &= state->HasSelection(); + } + + // Select the buffer to render. + const bool buf_display_from_state = (render_cursor || render_selection || g.ActiveId == id) && !is_readonly && state && state->TextAIsValid; + const bool is_displaying_hint = (hint != NULL && (buf_display_from_state ? state->TextA.Data : buf)[0] == 0); + + // Password pushes a temporary font with only a fallback glyph + if (is_password && !is_displaying_hint) + { + const ImFontGlyph* glyph = g.Font->FindGlyph('*'); + ImFont* password_font = &g.InputTextPasswordFont; + password_font->FontSize = g.Font->FontSize; + password_font->Scale = g.Font->Scale; + password_font->DisplayOffset = g.Font->DisplayOffset; + password_font->Ascent = g.Font->Ascent; + password_font->Descent = g.Font->Descent; + password_font->ContainerAtlas = g.Font->ContainerAtlas; + password_font->FallbackGlyph = glyph; + password_font->FallbackAdvanceX = glyph->AdvanceX; + IM_ASSERT(password_font->Glyphs.empty() && password_font->IndexAdvanceX.empty() && password_font->IndexLookup.empty()); + PushFont(password_font); + } + + // Process mouse inputs and character inputs + int backup_current_text_length = 0; + if (g.ActiveId == id) + { + IM_ASSERT(state != NULL); + backup_current_text_length = state->CurLenA; + state->BufCapacityA = buf_size; + state->UserFlags = flags; + state->UserCallback = callback; + state->UserCallbackData = callback_user_data; + + // Although we are active we don't prevent mouse from hovering other elements unless we are interacting right now with the widget. + // Down the line we should have a cleaner library-wide concept of Selected vs Active. + g.ActiveIdAllowOverlap = !io.MouseDown[0]; + g.WantTextInputNextFrame = 1; + + // Edit in progress + const float mouse_x = (io.MousePos.x - frame_bb.Min.x - style.FramePadding.x) + state->ScrollX; + const float mouse_y = (is_multiline ? (io.MousePos.y - draw_window->DC.CursorPos.y - style.FramePadding.y) : (g.FontSize*0.5f)); + + const bool is_osx = io.ConfigMacOSXBehaviors; + if (select_all || (hovered && !is_osx && io.MouseDoubleClicked[0])) + { + state->SelectAll(); + state->SelectedAllMouseLock = true; + } + else if (hovered && is_osx && io.MouseDoubleClicked[0]) + { + // Double-click select a word only, OS X style (by simulating keystrokes) + state->OnKeyPressed(STB_TEXTEDIT_K_WORDLEFT); + state->OnKeyPressed(STB_TEXTEDIT_K_WORDRIGHT | STB_TEXTEDIT_K_SHIFT); + } + else if (io.MouseClicked[0] && !state->SelectedAllMouseLock) + { + if (hovered) + { + stb_textedit_click(state, &state->Stb, mouse_x, mouse_y); + state->CursorAnimReset(); + } + } + else if (io.MouseDown[0] && !state->SelectedAllMouseLock && (io.MouseDelta.x != 0.0f || io.MouseDelta.y != 0.0f)) + { + stb_textedit_drag(state, &state->Stb, mouse_x, mouse_y); + state->CursorAnimReset(); + state->CursorFollow = true; + } + if (state->SelectedAllMouseLock && !io.MouseDown[0]) + state->SelectedAllMouseLock = false; + + // It is ill-defined whether the back-end needs to send a \t character when pressing the TAB keys. + // Win32 and GLFW naturally do it but not SDL. + const bool ignore_char_inputs = (io.KeyCtrl && !io.KeyAlt) || (is_osx && io.KeySuper); + if ((flags & ImGuiInputTextFlags_AllowTabInput) && IsKeyPressedMap(ImGuiKey_Tab) && !ignore_char_inputs && !io.KeyShift && !is_readonly) + if (!io.InputQueueCharacters.contains('\t')) + { + unsigned int c = '\t'; // Insert TAB + if (InputTextFilterCharacter(&c, flags, callback, callback_user_data)) + state->OnKeyPressed((int)c); + } + + // Process regular text input (before we check for Return because using some IME will effectively send a Return?) + // We ignore CTRL inputs, but need to allow ALT+CTRL as some keyboards (e.g. German) use AltGR (which _is_ Alt+Ctrl) to input certain characters. + if (io.InputQueueCharacters.Size > 0) + { + if (!ignore_char_inputs && !is_readonly && !user_nav_input_start) + for (int n = 0; n < io.InputQueueCharacters.Size; n++) + { + // Insert character if they pass filtering + unsigned int c = (unsigned int)io.InputQueueCharacters[n]; + if (c == '\t' && io.KeyShift) + continue; + if (InputTextFilterCharacter(&c, flags, callback, callback_user_data)) + state->OnKeyPressed((int)c); + } + + // Consume characters + io.InputQueueCharacters.resize(0); + } + } + + // Process other shortcuts/key-presses + bool cancel_edit = false; + if (g.ActiveId == id && !g.ActiveIdIsJustActivated && !clear_active_id) + { + IM_ASSERT(state != NULL); + const int k_mask = (io.KeyShift ? STB_TEXTEDIT_K_SHIFT : 0); + const bool is_osx = io.ConfigMacOSXBehaviors; + const bool is_shortcut_key = (is_osx ? (io.KeySuper && !io.KeyCtrl) : (io.KeyCtrl && !io.KeySuper)) && !io.KeyAlt && !io.KeyShift; // OS X style: Shortcuts using Cmd/Super instead of Ctrl + const bool is_osx_shift_shortcut = is_osx && io.KeySuper && io.KeyShift && !io.KeyCtrl && !io.KeyAlt; + const bool is_wordmove_key_down = is_osx ? io.KeyAlt : io.KeyCtrl; // OS X style: Text editing cursor movement using Alt instead of Ctrl + const bool is_startend_key_down = is_osx && io.KeySuper && !io.KeyCtrl && !io.KeyAlt; // OS X style: Line/Text Start and End using Cmd+Arrows instead of Home/End + const bool is_ctrl_key_only = io.KeyCtrl && !io.KeyShift && !io.KeyAlt && !io.KeySuper; + const bool is_shift_key_only = io.KeyShift && !io.KeyCtrl && !io.KeyAlt && !io.KeySuper; + + const bool is_cut = ((is_shortcut_key && IsKeyPressedMap(ImGuiKey_X)) || (is_shift_key_only && IsKeyPressedMap(ImGuiKey_Delete))) && !is_readonly && !is_password && (!is_multiline || state->HasSelection()); + const bool is_copy = ((is_shortcut_key && IsKeyPressedMap(ImGuiKey_C)) || (is_ctrl_key_only && IsKeyPressedMap(ImGuiKey_Insert))) && !is_password && (!is_multiline || state->HasSelection()); + const bool is_paste = ((is_shortcut_key && IsKeyPressedMap(ImGuiKey_V)) || (is_shift_key_only && IsKeyPressedMap(ImGuiKey_Insert))) && !is_readonly; + const bool is_undo = ((is_shortcut_key && IsKeyPressedMap(ImGuiKey_Z)) && !is_readonly && is_undoable); + const bool is_redo = ((is_shortcut_key && IsKeyPressedMap(ImGuiKey_Y)) || (is_osx_shift_shortcut && IsKeyPressedMap(ImGuiKey_Z))) && !is_readonly && is_undoable; + + if (IsKeyPressedMap(ImGuiKey_LeftArrow)) { state->OnKeyPressed((is_startend_key_down ? STB_TEXTEDIT_K_LINESTART : is_wordmove_key_down ? STB_TEXTEDIT_K_WORDLEFT : STB_TEXTEDIT_K_LEFT) | k_mask); } + else if (IsKeyPressedMap(ImGuiKey_RightArrow)) { state->OnKeyPressed((is_startend_key_down ? STB_TEXTEDIT_K_LINEEND : is_wordmove_key_down ? STB_TEXTEDIT_K_WORDRIGHT : STB_TEXTEDIT_K_RIGHT) | k_mask); } + else if (IsKeyPressedMap(ImGuiKey_UpArrow) && is_multiline) { if (io.KeyCtrl) SetScrollY(draw_window, ImMax(draw_window->Scroll.y - g.FontSize, 0.0f)); else state->OnKeyPressed((is_startend_key_down ? STB_TEXTEDIT_K_TEXTSTART : STB_TEXTEDIT_K_UP) | k_mask); } + else if (IsKeyPressedMap(ImGuiKey_DownArrow) && is_multiline) { if (io.KeyCtrl) SetScrollY(draw_window, ImMin(draw_window->Scroll.y + g.FontSize, GetScrollMaxY())); else state->OnKeyPressed((is_startend_key_down ? STB_TEXTEDIT_K_TEXTEND : STB_TEXTEDIT_K_DOWN) | k_mask); } + else if (IsKeyPressedMap(ImGuiKey_Home)) { state->OnKeyPressed(io.KeyCtrl ? STB_TEXTEDIT_K_TEXTSTART | k_mask : STB_TEXTEDIT_K_LINESTART | k_mask); } + else if (IsKeyPressedMap(ImGuiKey_End)) { state->OnKeyPressed(io.KeyCtrl ? STB_TEXTEDIT_K_TEXTEND | k_mask : STB_TEXTEDIT_K_LINEEND | k_mask); } + else if (IsKeyPressedMap(ImGuiKey_Delete) && !is_readonly) { state->OnKeyPressed(STB_TEXTEDIT_K_DELETE | k_mask); } + else if (IsKeyPressedMap(ImGuiKey_Backspace) && !is_readonly) + { + if (!state->HasSelection()) + { + if (is_wordmove_key_down) + state->OnKeyPressed(STB_TEXTEDIT_K_WORDLEFT|STB_TEXTEDIT_K_SHIFT); + else if (is_osx && io.KeySuper && !io.KeyAlt && !io.KeyCtrl) + state->OnKeyPressed(STB_TEXTEDIT_K_LINESTART|STB_TEXTEDIT_K_SHIFT); + } + state->OnKeyPressed(STB_TEXTEDIT_K_BACKSPACE | k_mask); + } + else if (IsKeyPressedMap(ImGuiKey_Enter) || IsKeyPressedMap(ImGuiKey_KeyPadEnter)) + { + bool ctrl_enter_for_new_line = (flags & ImGuiInputTextFlags_CtrlEnterForNewLine) != 0; + if (!is_multiline || (ctrl_enter_for_new_line && !io.KeyCtrl) || (!ctrl_enter_for_new_line && io.KeyCtrl)) + { + enter_pressed = clear_active_id = true; + } + else if (!is_readonly) + { + unsigned int c = '\n'; // Insert new line + if (InputTextFilterCharacter(&c, flags, callback, callback_user_data)) + state->OnKeyPressed((int)c); + } + } + else if (IsKeyPressedMap(ImGuiKey_Escape)) + { + clear_active_id = cancel_edit = true; + } + else if (is_undo || is_redo) + { + state->OnKeyPressed(is_undo ? STB_TEXTEDIT_K_UNDO : STB_TEXTEDIT_K_REDO); + state->ClearSelection(); + } + else if (is_shortcut_key && IsKeyPressedMap(ImGuiKey_A)) + { + state->SelectAll(); + state->CursorFollow = true; + } + else if (is_cut || is_copy) + { + // Cut, Copy + if (io.SetClipboardTextFn) + { + const int ib = state->HasSelection() ? ImMin(state->Stb.select_start, state->Stb.select_end) : 0; + const int ie = state->HasSelection() ? ImMax(state->Stb.select_start, state->Stb.select_end) : state->CurLenW; + const int clipboard_data_len = ImTextCountUtf8BytesFromStr(state->TextW.Data + ib, state->TextW.Data + ie) + 1; + char* clipboard_data = (char*)IM_ALLOC(clipboard_data_len * sizeof(char)); + ImTextStrToUtf8(clipboard_data, clipboard_data_len, state->TextW.Data + ib, state->TextW.Data + ie); + SetClipboardText(clipboard_data); + MemFree(clipboard_data); + } + if (is_cut) + { + if (!state->HasSelection()) + state->SelectAll(); + state->CursorFollow = true; + stb_textedit_cut(state, &state->Stb); + } + } + else if (is_paste) + { + if (const char* clipboard = GetClipboardText()) + { + // Filter pasted buffer + const int clipboard_len = (int)strlen(clipboard); + ImWchar* clipboard_filtered = (ImWchar*)IM_ALLOC((clipboard_len+1) * sizeof(ImWchar)); + int clipboard_filtered_len = 0; + for (const char* s = clipboard; *s; ) + { + unsigned int c; + s += ImTextCharFromUtf8(&c, s, NULL); + if (c == 0) + break; + if (!InputTextFilterCharacter(&c, flags, callback, callback_user_data)) + continue; + clipboard_filtered[clipboard_filtered_len++] = (ImWchar)c; + } + clipboard_filtered[clipboard_filtered_len] = 0; + if (clipboard_filtered_len > 0) // If everything was filtered, ignore the pasting operation + { + stb_textedit_paste(state, &state->Stb, clipboard_filtered, clipboard_filtered_len); + state->CursorFollow = true; + } + MemFree(clipboard_filtered); + } + } + + // Update render selection flag after events have been handled, so selection highlight can be displayed during the same frame. + render_selection |= state->HasSelection() && (RENDER_SELECTION_WHEN_INACTIVE || render_cursor); + } + + // Process callbacks and apply result back to user's buffer. + if (g.ActiveId == id) + { + IM_ASSERT(state != NULL); + const char* apply_new_text = NULL; + int apply_new_text_length = 0; + if (cancel_edit) + { + // Restore initial value. Only return true if restoring to the initial value changes the current buffer contents. + if (!is_readonly && strcmp(buf, state->InitialTextA.Data) != 0) + { + // Push records into the undo stack so we can CTRL+Z the revert operation itself + apply_new_text = state->InitialTextA.Data; + apply_new_text_length = state->InitialTextA.Size - 1; + ImVector w_text; + if (apply_new_text_length > 0) + { + w_text.resize(ImTextCountCharsFromUtf8(apply_new_text, apply_new_text + apply_new_text_length) + 1); + ImTextStrFromUtf8(w_text.Data, w_text.Size, apply_new_text, apply_new_text + apply_new_text_length); + } + stb_textedit_replace(state, &state->Stb, w_text.Data, (apply_new_text_length > 0) ? (w_text.Size - 1) : 0); + } + } + + // When using 'ImGuiInputTextFlags_EnterReturnsTrue' as a special case we reapply the live buffer back to the input buffer before clearing ActiveId, even though strictly speaking it wasn't modified on this frame. + // If we didn't do that, code like InputInt() with ImGuiInputTextFlags_EnterReturnsTrue would fail. + // This also allows the user to use InputText() with ImGuiInputTextFlags_EnterReturnsTrue without maintaining any user-side storage (please note that if you use this property along ImGuiInputTextFlags_CallbackResize you can end up with your temporary string object unnecessarily allocating once a frame, either store your string data, either if you don't then don't use ImGuiInputTextFlags_CallbackResize). + bool apply_edit_back_to_user_buffer = !cancel_edit || (enter_pressed && (flags & ImGuiInputTextFlags_EnterReturnsTrue) != 0); + if (apply_edit_back_to_user_buffer) + { + // Apply new value immediately - copy modified buffer back + // Note that as soon as the input box is active, the in-widget value gets priority over any underlying modification of the input buffer + // FIXME: We actually always render 'buf' when calling DrawList->AddText, making the comment above incorrect. + // FIXME-OPT: CPU waste to do this every time the widget is active, should mark dirty state from the stb_textedit callbacks. + if (!is_readonly) + { + state->TextAIsValid = true; + state->TextA.resize(state->TextW.Size * 4 + 1); + ImTextStrToUtf8(state->TextA.Data, state->TextA.Size, state->TextW.Data, NULL); + } + + // User callback + if ((flags & (ImGuiInputTextFlags_CallbackCompletion | ImGuiInputTextFlags_CallbackHistory | ImGuiInputTextFlags_CallbackAlways)) != 0) + { + IM_ASSERT(callback != NULL); + + // The reason we specify the usage semantic (Completion/History) is that Completion needs to disable keyboard TABBING at the moment. + ImGuiInputTextFlags event_flag = 0; + ImGuiKey event_key = ImGuiKey_COUNT; + if ((flags & ImGuiInputTextFlags_CallbackCompletion) != 0 && IsKeyPressedMap(ImGuiKey_Tab)) + { + event_flag = ImGuiInputTextFlags_CallbackCompletion; + event_key = ImGuiKey_Tab; + } + else if ((flags & ImGuiInputTextFlags_CallbackHistory) != 0 && IsKeyPressedMap(ImGuiKey_UpArrow)) + { + event_flag = ImGuiInputTextFlags_CallbackHistory; + event_key = ImGuiKey_UpArrow; + } + else if ((flags & ImGuiInputTextFlags_CallbackHistory) != 0 && IsKeyPressedMap(ImGuiKey_DownArrow)) + { + event_flag = ImGuiInputTextFlags_CallbackHistory; + event_key = ImGuiKey_DownArrow; + } + else if (flags & ImGuiInputTextFlags_CallbackAlways) + event_flag = ImGuiInputTextFlags_CallbackAlways; + + if (event_flag) + { + ImGuiInputTextCallbackData callback_data; + memset(&callback_data, 0, sizeof(ImGuiInputTextCallbackData)); + callback_data.EventFlag = event_flag; + callback_data.Flags = flags; + callback_data.UserData = callback_user_data; + + callback_data.EventKey = event_key; + callback_data.Buf = state->TextA.Data; + callback_data.BufTextLen = state->CurLenA; + callback_data.BufSize = state->BufCapacityA; + callback_data.BufDirty = false; + + // We have to convert from wchar-positions to UTF-8-positions, which can be pretty slow (an incentive to ditch the ImWchar buffer, see https://github.com/nothings/stb/issues/188) + ImWchar* text = state->TextW.Data; + const int utf8_cursor_pos = callback_data.CursorPos = ImTextCountUtf8BytesFromStr(text, text + state->Stb.cursor); + const int utf8_selection_start = callback_data.SelectionStart = ImTextCountUtf8BytesFromStr(text, text + state->Stb.select_start); + const int utf8_selection_end = callback_data.SelectionEnd = ImTextCountUtf8BytesFromStr(text, text + state->Stb.select_end); + + // Call user code + callback(&callback_data); + + // Read back what user may have modified + IM_ASSERT(callback_data.Buf == state->TextA.Data); // Invalid to modify those fields + IM_ASSERT(callback_data.BufSize == state->BufCapacityA); + IM_ASSERT(callback_data.Flags == flags); + if (callback_data.CursorPos != utf8_cursor_pos) { state->Stb.cursor = ImTextCountCharsFromUtf8(callback_data.Buf, callback_data.Buf + callback_data.CursorPos); state->CursorFollow = true; } + if (callback_data.SelectionStart != utf8_selection_start) { state->Stb.select_start = ImTextCountCharsFromUtf8(callback_data.Buf, callback_data.Buf + callback_data.SelectionStart); } + if (callback_data.SelectionEnd != utf8_selection_end) { state->Stb.select_end = ImTextCountCharsFromUtf8(callback_data.Buf, callback_data.Buf + callback_data.SelectionEnd); } + if (callback_data.BufDirty) + { + IM_ASSERT(callback_data.BufTextLen == (int)strlen(callback_data.Buf)); // You need to maintain BufTextLen if you change the text! + if (callback_data.BufTextLen > backup_current_text_length && is_resizable) + state->TextW.resize(state->TextW.Size + (callback_data.BufTextLen - backup_current_text_length)); + state->CurLenW = ImTextStrFromUtf8(state->TextW.Data, state->TextW.Size, callback_data.Buf, NULL); + state->CurLenA = callback_data.BufTextLen; // Assume correct length and valid UTF-8 from user, saves us an extra strlen() + state->CursorAnimReset(); + } + } + } + + // Will copy result string if modified + if (!is_readonly && strcmp(state->TextA.Data, buf) != 0) + { + apply_new_text = state->TextA.Data; + apply_new_text_length = state->CurLenA; + } + } + + // Copy result to user buffer + if (apply_new_text) + { + // We cannot test for 'backup_current_text_length != apply_new_text_length' here because we have no guarantee that the size + // of our owned buffer matches the size of the string object held by the user, and by design we allow InputText() to be used + // without any storage on user's side. + IM_ASSERT(apply_new_text_length >= 0); + if (is_resizable) + { + ImGuiInputTextCallbackData callback_data; + callback_data.EventFlag = ImGuiInputTextFlags_CallbackResize; + callback_data.Flags = flags; + callback_data.Buf = buf; + callback_data.BufTextLen = apply_new_text_length; + callback_data.BufSize = ImMax(buf_size, apply_new_text_length + 1); + callback_data.UserData = callback_user_data; + callback(&callback_data); + buf = callback_data.Buf; + buf_size = callback_data.BufSize; + apply_new_text_length = ImMin(callback_data.BufTextLen, buf_size - 1); + IM_ASSERT(apply_new_text_length <= buf_size); + } + //IMGUI_DEBUG_LOG("InputText(\"%s\"): apply_new_text length %d\n", label, apply_new_text_length); + + // If the underlying buffer resize was denied or not carried to the next frame, apply_new_text_length+1 may be >= buf_size. + ImStrncpy(buf, apply_new_text, ImMin(apply_new_text_length + 1, buf_size)); + value_changed = true; + } + + // Clear temporary user storage + state->UserFlags = 0; + state->UserCallback = NULL; + state->UserCallbackData = NULL; + } + + // Release active ID at the end of the function (so e.g. pressing Return still does a final application of the value) + if (clear_active_id && g.ActiveId == id) + ClearActiveID(); + + // Render frame + if (!is_multiline) + { + RenderNavHighlight(frame_bb, id); + RenderFrame(frame_bb.Min, frame_bb.Max, GetColorU32(ImGuiCol_FrameBg), true, style.FrameRounding); + } + + const ImVec4 clip_rect(frame_bb.Min.x, frame_bb.Min.y, frame_bb.Min.x + inner_size.x, frame_bb.Min.y + inner_size.y); // Not using frame_bb.Max because we have adjusted size + ImVec2 draw_pos = is_multiline ? draw_window->DC.CursorPos : frame_bb.Min + style.FramePadding; + ImVec2 text_size(0.0f, 0.0f); + + // Set upper limit of single-line InputTextEx() at 2 million characters strings. The current pathological worst case is a long line + // without any carriage return, which would makes ImFont::RenderText() reserve too many vertices and probably crash. Avoid it altogether. + // Note that we only use this limit on single-line InputText(), so a pathologically large line on a InputTextMultiline() would still crash. + const int buf_display_max_length = 2 * 1024 * 1024; + const char* buf_display = buf_display_from_state ? state->TextA.Data : buf; //-V595 + const char* buf_display_end = NULL; // We have specialized paths below for setting the length + if (is_displaying_hint) + { + buf_display = hint; + buf_display_end = hint + strlen(hint); + } + + // Render text. We currently only render selection when the widget is active or while scrolling. + // FIXME: We could remove the '&& render_cursor' to keep rendering selection when inactive. + if (render_cursor || render_selection) + { + IM_ASSERT(state != NULL); + if (!is_displaying_hint) + buf_display_end = buf_display + state->CurLenA; + + // Render text (with cursor and selection) + // This is going to be messy. We need to: + // - Display the text (this alone can be more easily clipped) + // - Handle scrolling, highlight selection, display cursor (those all requires some form of 1d->2d cursor position calculation) + // - Measure text height (for scrollbar) + // We are attempting to do most of that in **one main pass** to minimize the computation cost (non-negligible for large amount of text) + 2nd pass for selection rendering (we could merge them by an extra refactoring effort) + // FIXME: This should occur on buf_display but we'd need to maintain cursor/select_start/select_end for UTF-8. + const ImWchar* text_begin = state->TextW.Data; + ImVec2 cursor_offset, select_start_offset; + + { + // Find lines numbers straddling 'cursor' (slot 0) and 'select_start' (slot 1) positions. + const ImWchar* searches_input_ptr[2] = { NULL, NULL }; + int searches_result_line_no[2] = { -1000, -1000 }; + int searches_remaining = 0; + if (render_cursor) + { + searches_input_ptr[0] = text_begin + state->Stb.cursor; + searches_result_line_no[0] = -1; + searches_remaining++; + } + if (render_selection) + { + searches_input_ptr[1] = text_begin + ImMin(state->Stb.select_start, state->Stb.select_end); + searches_result_line_no[1] = -1; + searches_remaining++; + } + + // Iterate all lines to find our line numbers + // In multi-line mode, we never exit the loop until all lines are counted, so add one extra to the searches_remaining counter. + searches_remaining += is_multiline ? 1 : 0; + int line_count = 0; + //for (const ImWchar* s = text_begin; (s = (const ImWchar*)wcschr((const wchar_t*)s, (wchar_t)'\n')) != NULL; s++) // FIXME-OPT: Could use this when wchar_t are 16-bit + for (const ImWchar* s = text_begin; *s != 0; s++) + if (*s == '\n') + { + line_count++; + if (searches_result_line_no[0] == -1 && s >= searches_input_ptr[0]) { searches_result_line_no[0] = line_count; if (--searches_remaining <= 0) break; } + if (searches_result_line_no[1] == -1 && s >= searches_input_ptr[1]) { searches_result_line_no[1] = line_count; if (--searches_remaining <= 0) break; } + } + line_count++; + if (searches_result_line_no[0] == -1) + searches_result_line_no[0] = line_count; + if (searches_result_line_no[1] == -1) + searches_result_line_no[1] = line_count; + + // Calculate 2d position by finding the beginning of the line and measuring distance + cursor_offset.x = InputTextCalcTextSizeW(ImStrbolW(searches_input_ptr[0], text_begin), searches_input_ptr[0]).x; + cursor_offset.y = searches_result_line_no[0] * g.FontSize; + if (searches_result_line_no[1] >= 0) + { + select_start_offset.x = InputTextCalcTextSizeW(ImStrbolW(searches_input_ptr[1], text_begin), searches_input_ptr[1]).x; + select_start_offset.y = searches_result_line_no[1] * g.FontSize; + } + + // Store text height (note that we haven't calculated text width at all, see GitHub issues #383, #1224) + if (is_multiline) + text_size = ImVec2(inner_size.x, line_count * g.FontSize); + } + + // Scroll + if (render_cursor && state->CursorFollow) + { + // Horizontal scroll in chunks of quarter width + if (!(flags & ImGuiInputTextFlags_NoHorizontalScroll)) + { + const float scroll_increment_x = inner_size.x * 0.25f; + if (cursor_offset.x < state->ScrollX) + state->ScrollX = IM_FLOOR(ImMax(0.0f, cursor_offset.x - scroll_increment_x)); + else if (cursor_offset.x - inner_size.x >= state->ScrollX) + state->ScrollX = IM_FLOOR(cursor_offset.x - inner_size.x + scroll_increment_x); + } + else + { + state->ScrollX = 0.0f; + } + + // Vertical scroll + if (is_multiline) + { + float scroll_y = draw_window->Scroll.y; + if (cursor_offset.y - g.FontSize < scroll_y) + scroll_y = ImMax(0.0f, cursor_offset.y - g.FontSize); + else if (cursor_offset.y - inner_size.y >= scroll_y) + scroll_y = cursor_offset.y - inner_size.y; + draw_pos.y += (draw_window->Scroll.y - scroll_y); // Manipulate cursor pos immediately avoid a frame of lag + draw_window->Scroll.y = scroll_y; + } + + state->CursorFollow = false; + } + + // Draw selection + const ImVec2 draw_scroll = ImVec2(state->ScrollX, 0.0f); + if (render_selection) + { + const ImWchar* text_selected_begin = text_begin + ImMin(state->Stb.select_start, state->Stb.select_end); + const ImWchar* text_selected_end = text_begin + ImMax(state->Stb.select_start, state->Stb.select_end); + + ImU32 bg_color = GetColorU32(ImGuiCol_TextSelectedBg, render_cursor ? 1.0f : 0.6f); // FIXME: current code flow mandate that render_cursor is always true here, we are leaving the transparent one for tests. + float bg_offy_up = is_multiline ? 0.0f : -1.0f; // FIXME: those offsets should be part of the style? they don't play so well with multi-line selection. + float bg_offy_dn = is_multiline ? 0.0f : 2.0f; + ImVec2 rect_pos = draw_pos + select_start_offset - draw_scroll; + for (const ImWchar* p = text_selected_begin; p < text_selected_end; ) + { + if (rect_pos.y > clip_rect.w + g.FontSize) + break; + if (rect_pos.y < clip_rect.y) + { + //p = (const ImWchar*)wmemchr((const wchar_t*)p, '\n', text_selected_end - p); // FIXME-OPT: Could use this when wchar_t are 16-bit + //p = p ? p + 1 : text_selected_end; + while (p < text_selected_end) + if (*p++ == '\n') + break; + } + else + { + ImVec2 rect_size = InputTextCalcTextSizeW(p, text_selected_end, &p, NULL, true); + if (rect_size.x <= 0.0f) rect_size.x = IM_FLOOR(g.Font->GetCharAdvance((ImWchar)' ') * 0.50f); // So we can see selected empty lines + ImRect rect(rect_pos + ImVec2(0.0f, bg_offy_up - g.FontSize), rect_pos +ImVec2(rect_size.x, bg_offy_dn)); + rect.ClipWith(clip_rect); + if (rect.Overlaps(clip_rect)) + draw_window->DrawList->AddRectFilled(rect.Min, rect.Max, bg_color); + } + rect_pos.x = draw_pos.x - draw_scroll.x; + rect_pos.y += g.FontSize; + } + } + + // We test for 'buf_display_max_length' as a way to avoid some pathological cases (e.g. single-line 1 MB string) which would make ImDrawList crash. + if (is_multiline || (buf_display_end - buf_display) < buf_display_max_length) + { + ImU32 col = GetColorU32(is_displaying_hint ? ImGuiCol_TextDisabled : ImGuiCol_Text); + draw_window->DrawList->AddText(g.Font, g.FontSize, draw_pos - draw_scroll, col, buf_display, buf_display_end, 0.0f, is_multiline ? NULL : &clip_rect); + } + + // Draw blinking cursor + if (render_cursor) + { + state->CursorAnim += io.DeltaTime; + bool cursor_is_visible = (!g.IO.ConfigInputTextCursorBlink) || (state->CursorAnim <= 0.0f) || ImFmod(state->CursorAnim, 1.20f) <= 0.80f; + ImVec2 cursor_screen_pos = draw_pos + cursor_offset - draw_scroll; + ImRect cursor_screen_rect(cursor_screen_pos.x, cursor_screen_pos.y - g.FontSize + 0.5f, cursor_screen_pos.x + 1.0f, cursor_screen_pos.y - 1.5f); + if (cursor_is_visible && cursor_screen_rect.Overlaps(clip_rect)) + draw_window->DrawList->AddLine(cursor_screen_rect.Min, cursor_screen_rect.GetBL(), GetColorU32(ImGuiCol_Text)); + + // Notify OS of text input position for advanced IME (-1 x offset so that Windows IME can cover our cursor. Bit of an extra nicety.) + if (!is_readonly) + g.PlatformImePos = ImVec2(cursor_screen_pos.x - 1.0f, cursor_screen_pos.y - g.FontSize); + } + } + else + { + // Render text only (no selection, no cursor) + if (is_multiline) + text_size = ImVec2(inner_size.x, InputTextCalcTextLenAndLineCount(buf_display, &buf_display_end) * g.FontSize); // We don't need width + else if (!is_displaying_hint && g.ActiveId == id) + buf_display_end = buf_display + state->CurLenA; + else if (!is_displaying_hint) + buf_display_end = buf_display + strlen(buf_display); + + if (is_multiline || (buf_display_end - buf_display) < buf_display_max_length) + { + ImU32 col = GetColorU32(is_displaying_hint ? ImGuiCol_TextDisabled : ImGuiCol_Text); + draw_window->DrawList->AddText(g.Font, g.FontSize, draw_pos, col, buf_display, buf_display_end, 0.0f, is_multiline ? NULL : &clip_rect); + } + } + + if (is_multiline) + { + Dummy(text_size + ImVec2(0.0f, g.FontSize)); // Always add room to scroll an extra line + EndChild(); + EndGroup(); + } + + if (is_password && !is_displaying_hint) + PopFont(); + + // Log as text + if (g.LogEnabled && !(is_password && !is_displaying_hint)) + LogRenderedText(&draw_pos, buf_display, buf_display_end); + + if (label_size.x > 0) + RenderText(ImVec2(frame_bb.Max.x + style.ItemInnerSpacing.x, frame_bb.Min.y + style.FramePadding.y), label); + + if (value_changed && !(flags & ImGuiInputTextFlags_NoMarkEdited)) + MarkItemEdited(id); + + IMGUI_TEST_ENGINE_ITEM_INFO(id, label, window->DC.ItemFlags); + if ((flags & ImGuiInputTextFlags_EnterReturnsTrue) != 0) + return enter_pressed; + else + return value_changed; +} + +//------------------------------------------------------------------------- +// [SECTION] Widgets: ColorEdit, ColorPicker, ColorButton, etc. +//------------------------------------------------------------------------- +// - ColorEdit3() +// - ColorEdit4() +// - ColorPicker3() +// - RenderColorRectWithAlphaCheckerboard() [Internal] +// - ColorPicker4() +// - ColorButton() +// - SetColorEditOptions() +// - ColorTooltip() [Internal] +// - ColorEditOptionsPopup() [Internal] +// - ColorPickerOptionsPopup() [Internal] +//------------------------------------------------------------------------- + +bool ImGui::ColorEdit3(const char* label, float col[3], ImGuiColorEditFlags flags) +{ + return ColorEdit4(label, col, flags | ImGuiColorEditFlags_NoAlpha); +} + +// Edit colors components (each component in 0.0f..1.0f range). +// See enum ImGuiColorEditFlags_ for available options. e.g. Only access 3 floats if ImGuiColorEditFlags_NoAlpha flag is set. +// With typical options: Left-click on colored square to open color picker. Right-click to open option menu. CTRL-Click over input fields to edit them and TAB to go to next item. +bool ImGui::ColorEdit4(const char* label, float col[4], ImGuiColorEditFlags flags) +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return false; + + ImGuiContext& g = *GImGui; + const ImGuiStyle& style = g.Style; + const float square_sz = GetFrameHeight(); + const float w_full = CalcItemWidth(); + const float w_button = (flags & ImGuiColorEditFlags_NoSmallPreview) ? 0.0f : (square_sz + style.ItemInnerSpacing.x); + const float w_inputs = w_full - w_button; + const char* label_display_end = FindRenderedTextEnd(label); + g.NextItemData.ClearFlags(); + + BeginGroup(); + PushID(label); + + // If we're not showing any slider there's no point in doing any HSV conversions + const ImGuiColorEditFlags flags_untouched = flags; + if (flags & ImGuiColorEditFlags_NoInputs) + flags = (flags & (~ImGuiColorEditFlags__DisplayMask)) | ImGuiColorEditFlags_DisplayRGB | ImGuiColorEditFlags_NoOptions; + + // Context menu: display and modify options (before defaults are applied) + if (!(flags & ImGuiColorEditFlags_NoOptions)) + ColorEditOptionsPopup(col, flags); + + // Read stored options + if (!(flags & ImGuiColorEditFlags__DisplayMask)) + flags |= (g.ColorEditOptions & ImGuiColorEditFlags__DisplayMask); + if (!(flags & ImGuiColorEditFlags__DataTypeMask)) + flags |= (g.ColorEditOptions & ImGuiColorEditFlags__DataTypeMask); + if (!(flags & ImGuiColorEditFlags__PickerMask)) + flags |= (g.ColorEditOptions & ImGuiColorEditFlags__PickerMask); + if (!(flags & ImGuiColorEditFlags__InputMask)) + flags |= (g.ColorEditOptions & ImGuiColorEditFlags__InputMask); + flags |= (g.ColorEditOptions & ~(ImGuiColorEditFlags__DisplayMask | ImGuiColorEditFlags__DataTypeMask | ImGuiColorEditFlags__PickerMask | ImGuiColorEditFlags__InputMask)); + IM_ASSERT(ImIsPowerOfTwo(flags & ImGuiColorEditFlags__DisplayMask)); // Check that only 1 is selected + IM_ASSERT(ImIsPowerOfTwo(flags & ImGuiColorEditFlags__InputMask)); // Check that only 1 is selected + + const bool alpha = (flags & ImGuiColorEditFlags_NoAlpha) == 0; + const bool hdr = (flags & ImGuiColorEditFlags_HDR) != 0; + const int components = alpha ? 4 : 3; + + // Convert to the formats we need + float f[4] = { col[0], col[1], col[2], alpha ? col[3] : 1.0f }; + if ((flags & ImGuiColorEditFlags_InputHSV) && (flags & ImGuiColorEditFlags_DisplayRGB)) + ColorConvertHSVtoRGB(f[0], f[1], f[2], f[0], f[1], f[2]); + else if ((flags & ImGuiColorEditFlags_InputRGB) && (flags & ImGuiColorEditFlags_DisplayHSV)) + { + // Hue is lost when converting from greyscale rgb (saturation=0). Restore it. + ColorConvertRGBtoHSV(f[0], f[1], f[2], f[0], f[1], f[2]); + if (memcmp(g.ColorEditLastColor, col, sizeof(float) * 3) == 0) + { + if (f[1] == 0) + f[0] = g.ColorEditLastHue; + if (f[2] == 0) + f[1] = g.ColorEditLastSat; + } + } + int i[4] = { IM_F32_TO_INT8_UNBOUND(f[0]), IM_F32_TO_INT8_UNBOUND(f[1]), IM_F32_TO_INT8_UNBOUND(f[2]), IM_F32_TO_INT8_UNBOUND(f[3]) }; + + bool value_changed = false; + bool value_changed_as_float = false; + + const ImVec2 pos = window->DC.CursorPos; + const float inputs_offset_x = (style.ColorButtonPosition == ImGuiDir_Left) ? w_button : 0.0f; + window->DC.CursorPos.x = pos.x + inputs_offset_x; + + if ((flags & (ImGuiColorEditFlags_DisplayRGB | ImGuiColorEditFlags_DisplayHSV)) != 0 && (flags & ImGuiColorEditFlags_NoInputs) == 0) + { + // RGB/HSV 0..255 Sliders + const float w_item_one = ImMax(1.0f, IM_FLOOR((w_inputs - (style.ItemInnerSpacing.x) * (components-1)) / (float)components)); + const float w_item_last = ImMax(1.0f, IM_FLOOR(w_inputs - (w_item_one + style.ItemInnerSpacing.x) * (components-1))); + + const bool hide_prefix = (w_item_one <= CalcTextSize((flags & ImGuiColorEditFlags_Float) ? "M:0.000" : "M:000").x); + static const char* ids[4] = { "##X", "##Y", "##Z", "##W" }; + static const char* fmt_table_int[3][4] = + { + { "%3d", "%3d", "%3d", "%3d" }, // Short display + { "R:%3d", "G:%3d", "B:%3d", "A:%3d" }, // Long display for RGBA + { "H:%3d", "S:%3d", "V:%3d", "A:%3d" } // Long display for HSVA + }; + static const char* fmt_table_float[3][4] = + { + { "%0.3f", "%0.3f", "%0.3f", "%0.3f" }, // Short display + { "R:%0.3f", "G:%0.3f", "B:%0.3f", "A:%0.3f" }, // Long display for RGBA + { "H:%0.3f", "S:%0.3f", "V:%0.3f", "A:%0.3f" } // Long display for HSVA + }; + const int fmt_idx = hide_prefix ? 0 : (flags & ImGuiColorEditFlags_DisplayHSV) ? 2 : 1; + + for (int n = 0; n < components; n++) + { + if (n > 0) + SameLine(0, style.ItemInnerSpacing.x); + SetNextItemWidth((n + 1 < components) ? w_item_one : w_item_last); + + // FIXME: When ImGuiColorEditFlags_HDR flag is passed HS values snap in weird ways when SV values go below 0. + if (flags & ImGuiColorEditFlags_Float) + { + value_changed |= DragFloat(ids[n], &f[n], 1.0f/255.0f, 0.0f, hdr ? 0.0f : 1.0f, fmt_table_float[fmt_idx][n]); + value_changed_as_float |= value_changed; + } + else + { + value_changed |= DragInt(ids[n], &i[n], 1.0f, 0, hdr ? 0 : 255, fmt_table_int[fmt_idx][n]); + } + if (!(flags & ImGuiColorEditFlags_NoOptions)) + OpenPopupOnItemClick("context"); + } + } + else if ((flags & ImGuiColorEditFlags_DisplayHex) != 0 && (flags & ImGuiColorEditFlags_NoInputs) == 0) + { + // RGB Hexadecimal Input + char buf[64]; + if (alpha) + ImFormatString(buf, IM_ARRAYSIZE(buf), "#%02X%02X%02X%02X", ImClamp(i[0],0,255), ImClamp(i[1],0,255), ImClamp(i[2],0,255), ImClamp(i[3],0,255)); + else + ImFormatString(buf, IM_ARRAYSIZE(buf), "#%02X%02X%02X", ImClamp(i[0],0,255), ImClamp(i[1],0,255), ImClamp(i[2],0,255)); + SetNextItemWidth(w_inputs); + if (InputText("##Text", buf, IM_ARRAYSIZE(buf), ImGuiInputTextFlags_CharsHexadecimal | ImGuiInputTextFlags_CharsUppercase)) + { + value_changed = true; + char* p = buf; + while (*p == '#' || ImCharIsBlankA(*p)) + p++; + i[0] = i[1] = i[2] = i[3] = 0; + if (alpha) + sscanf(p, "%02X%02X%02X%02X", (unsigned int*)&i[0], (unsigned int*)&i[1], (unsigned int*)&i[2], (unsigned int*)&i[3]); // Treat at unsigned (%X is unsigned) + else + sscanf(p, "%02X%02X%02X", (unsigned int*)&i[0], (unsigned int*)&i[1], (unsigned int*)&i[2]); + } + if (!(flags & ImGuiColorEditFlags_NoOptions)) + OpenPopupOnItemClick("context"); + } + + ImGuiWindow* picker_active_window = NULL; + if (!(flags & ImGuiColorEditFlags_NoSmallPreview)) + { + const float button_offset_x = ((flags & ImGuiColorEditFlags_NoInputs) || (style.ColorButtonPosition == ImGuiDir_Left)) ? 0.0f : w_inputs + style.ItemInnerSpacing.x; + window->DC.CursorPos = ImVec2(pos.x + button_offset_x, pos.y); + + const ImVec4 col_v4(col[0], col[1], col[2], alpha ? col[3] : 1.0f); + if (ColorButton("##ColorButton", col_v4, flags)) + { + if (!(flags & ImGuiColorEditFlags_NoPicker)) + { + // Store current color and open a picker + g.ColorPickerRef = col_v4; + OpenPopup("picker"); + SetNextWindowPos(window->DC.LastItemRect.GetBL() + ImVec2(-1,style.ItemSpacing.y)); + } + } + if (!(flags & ImGuiColorEditFlags_NoOptions)) + OpenPopupOnItemClick("context"); + + if (BeginPopup("picker")) + { + picker_active_window = g.CurrentWindow; + if (label != label_display_end) + { + TextEx(label, label_display_end); + Spacing(); + } + ImGuiColorEditFlags picker_flags_to_forward = ImGuiColorEditFlags__DataTypeMask | ImGuiColorEditFlags__PickerMask | ImGuiColorEditFlags__InputMask | ImGuiColorEditFlags_HDR | ImGuiColorEditFlags_NoAlpha | ImGuiColorEditFlags_AlphaBar; + ImGuiColorEditFlags picker_flags = (flags_untouched & picker_flags_to_forward) | ImGuiColorEditFlags__DisplayMask | ImGuiColorEditFlags_NoLabel | ImGuiColorEditFlags_AlphaPreviewHalf; + SetNextItemWidth(square_sz * 12.0f); // Use 256 + bar sizes? + value_changed |= ColorPicker4("##picker", col, picker_flags, &g.ColorPickerRef.x); + EndPopup(); + } + } + + if (label != label_display_end && !(flags & ImGuiColorEditFlags_NoLabel)) + { + const float text_offset_x = (flags & ImGuiColorEditFlags_NoInputs) ? w_button : w_full + style.ItemInnerSpacing.x; + window->DC.CursorPos = ImVec2(pos.x + text_offset_x, pos.y + style.FramePadding.y); + TextEx(label, label_display_end); + } + + // Convert back + if (value_changed && picker_active_window == NULL) + { + if (!value_changed_as_float) + for (int n = 0; n < 4; n++) + f[n] = i[n] / 255.0f; + if ((flags & ImGuiColorEditFlags_DisplayHSV) && (flags & ImGuiColorEditFlags_InputRGB)) + { + g.ColorEditLastHue = f[0]; + g.ColorEditLastSat = f[1]; + ColorConvertHSVtoRGB(f[0], f[1], f[2], f[0], f[1], f[2]); + memcpy(g.ColorEditLastColor, f, sizeof(float) * 3); + } + if ((flags & ImGuiColorEditFlags_DisplayRGB) && (flags & ImGuiColorEditFlags_InputHSV)) + ColorConvertRGBtoHSV(f[0], f[1], f[2], f[0], f[1], f[2]); + + col[0] = f[0]; + col[1] = f[1]; + col[2] = f[2]; + if (alpha) + col[3] = f[3]; + } + + PopID(); + EndGroup(); + + // Drag and Drop Target + // NB: The flag test is merely an optional micro-optimization, BeginDragDropTarget() does the same test. + if ((window->DC.LastItemStatusFlags & ImGuiItemStatusFlags_HoveredRect) && !(flags & ImGuiColorEditFlags_NoDragDrop) && BeginDragDropTarget()) + { + bool accepted_drag_drop = false; + if (const ImGuiPayload* payload = AcceptDragDropPayload(IMGUI_PAYLOAD_TYPE_COLOR_3F)) + { + memcpy((float*)col, payload->Data, sizeof(float) * 3); // Preserve alpha if any //-V512 + value_changed = accepted_drag_drop = true; + } + if (const ImGuiPayload* payload = AcceptDragDropPayload(IMGUI_PAYLOAD_TYPE_COLOR_4F)) + { + memcpy((float*)col, payload->Data, sizeof(float) * components); + value_changed = accepted_drag_drop = true; + } + + // Drag-drop payloads are always RGB + if (accepted_drag_drop && (flags & ImGuiColorEditFlags_InputHSV)) + ColorConvertRGBtoHSV(col[0], col[1], col[2], col[0], col[1], col[2]); + EndDragDropTarget(); + } + + // When picker is being actively used, use its active id so IsItemActive() will function on ColorEdit4(). + if (picker_active_window && g.ActiveId != 0 && g.ActiveIdWindow == picker_active_window) + window->DC.LastItemId = g.ActiveId; + + if (value_changed) + MarkItemEdited(window->DC.LastItemId); + + return value_changed; +} + +bool ImGui::ColorPicker3(const char* label, float col[3], ImGuiColorEditFlags flags) +{ + float col4[4] = { col[0], col[1], col[2], 1.0f }; + if (!ColorPicker4(label, col4, flags | ImGuiColorEditFlags_NoAlpha)) + return false; + col[0] = col4[0]; col[1] = col4[1]; col[2] = col4[2]; + return true; +} + +// Helper for ColorPicker4() +static void RenderArrowsForVerticalBar(ImDrawList* draw_list, ImVec2 pos, ImVec2 half_sz, float bar_w, float alpha) +{ + ImU32 alpha8 = IM_F32_TO_INT8_SAT(alpha); + ImGui::RenderArrowPointingAt(draw_list, ImVec2(pos.x + half_sz.x + 1, pos.y), ImVec2(half_sz.x + 2, half_sz.y + 1), ImGuiDir_Right, IM_COL32(0,0,0,alpha8)); + ImGui::RenderArrowPointingAt(draw_list, ImVec2(pos.x + half_sz.x, pos.y), half_sz, ImGuiDir_Right, IM_COL32(255,255,255,alpha8)); + ImGui::RenderArrowPointingAt(draw_list, ImVec2(pos.x + bar_w - half_sz.x - 1, pos.y), ImVec2(half_sz.x + 2, half_sz.y + 1), ImGuiDir_Left, IM_COL32(0,0,0,alpha8)); + ImGui::RenderArrowPointingAt(draw_list, ImVec2(pos.x + bar_w - half_sz.x, pos.y), half_sz, ImGuiDir_Left, IM_COL32(255,255,255,alpha8)); +} + +// Note: ColorPicker4() only accesses 3 floats if ImGuiColorEditFlags_NoAlpha flag is set. +// (In C++ the 'float col[4]' notation for a function argument is equivalent to 'float* col', we only specify a size to facilitate understanding of the code.) +// FIXME: we adjust the big color square height based on item width, which may cause a flickering feedback loop (if automatic height makes a vertical scrollbar appears, affecting automatic width..) +// FIXME: this is trying to be aware of style.Alpha but not fully correct. Also, the color wheel will have overlapping glitches with (style.Alpha < 1.0) +bool ImGui::ColorPicker4(const char* label, float col[4], ImGuiColorEditFlags flags, const float* ref_col) +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return false; + + ImDrawList* draw_list = window->DrawList; + ImGuiStyle& style = g.Style; + ImGuiIO& io = g.IO; + + const float width = CalcItemWidth(); + g.NextItemData.ClearFlags(); + + PushID(label); + BeginGroup(); + + if (!(flags & ImGuiColorEditFlags_NoSidePreview)) + flags |= ImGuiColorEditFlags_NoSmallPreview; + + // Context menu: display and store options. + if (!(flags & ImGuiColorEditFlags_NoOptions)) + ColorPickerOptionsPopup(col, flags); + + // Read stored options + if (!(flags & ImGuiColorEditFlags__PickerMask)) + flags |= ((g.ColorEditOptions & ImGuiColorEditFlags__PickerMask) ? g.ColorEditOptions : ImGuiColorEditFlags__OptionsDefault) & ImGuiColorEditFlags__PickerMask; + if (!(flags & ImGuiColorEditFlags__InputMask)) + flags |= ((g.ColorEditOptions & ImGuiColorEditFlags__InputMask) ? g.ColorEditOptions : ImGuiColorEditFlags__OptionsDefault) & ImGuiColorEditFlags__InputMask; + IM_ASSERT(ImIsPowerOfTwo(flags & ImGuiColorEditFlags__PickerMask)); // Check that only 1 is selected + IM_ASSERT(ImIsPowerOfTwo(flags & ImGuiColorEditFlags__InputMask)); // Check that only 1 is selected + if (!(flags & ImGuiColorEditFlags_NoOptions)) + flags |= (g.ColorEditOptions & ImGuiColorEditFlags_AlphaBar); + + // Setup + int components = (flags & ImGuiColorEditFlags_NoAlpha) ? 3 : 4; + bool alpha_bar = (flags & ImGuiColorEditFlags_AlphaBar) && !(flags & ImGuiColorEditFlags_NoAlpha); + ImVec2 picker_pos = window->DC.CursorPos; + float square_sz = GetFrameHeight(); + float bars_width = square_sz; // Arbitrary smallish width of Hue/Alpha picking bars + float sv_picker_size = ImMax(bars_width * 1, width - (alpha_bar ? 2 : 1) * (bars_width + style.ItemInnerSpacing.x)); // Saturation/Value picking box + float bar0_pos_x = picker_pos.x + sv_picker_size + style.ItemInnerSpacing.x; + float bar1_pos_x = bar0_pos_x + bars_width + style.ItemInnerSpacing.x; + float bars_triangles_half_sz = IM_FLOOR(bars_width * 0.20f); + + float backup_initial_col[4]; + memcpy(backup_initial_col, col, components * sizeof(float)); + + float wheel_thickness = sv_picker_size * 0.08f; + float wheel_r_outer = sv_picker_size * 0.50f; + float wheel_r_inner = wheel_r_outer - wheel_thickness; + ImVec2 wheel_center(picker_pos.x + (sv_picker_size + bars_width)*0.5f, picker_pos.y + sv_picker_size*0.5f); + + // Note: the triangle is displayed rotated with triangle_pa pointing to Hue, but most coordinates stays unrotated for logic. + float triangle_r = wheel_r_inner - (int)(sv_picker_size * 0.027f); + ImVec2 triangle_pa = ImVec2(triangle_r, 0.0f); // Hue point. + ImVec2 triangle_pb = ImVec2(triangle_r * -0.5f, triangle_r * -0.866025f); // Black point. + ImVec2 triangle_pc = ImVec2(triangle_r * -0.5f, triangle_r * +0.866025f); // White point. + + float H = col[0], S = col[1], V = col[2]; + float R = col[0], G = col[1], B = col[2]; + if (flags & ImGuiColorEditFlags_InputRGB) + { + // Hue is lost when converting from greyscale rgb (saturation=0). Restore it. + ColorConvertRGBtoHSV(R, G, B, H, S, V); + if (memcmp(g.ColorEditLastColor, col, sizeof(float) * 3) == 0) + { + if (S == 0) + H = g.ColorEditLastHue; + if (V == 0) + S = g.ColorEditLastSat; + } + } + else if (flags & ImGuiColorEditFlags_InputHSV) + { + ColorConvertHSVtoRGB(H, S, V, R, G, B); + } + + bool value_changed = false, value_changed_h = false, value_changed_sv = false; + + PushItemFlag(ImGuiItemFlags_NoNav, true); + if (flags & ImGuiColorEditFlags_PickerHueWheel) + { + // Hue wheel + SV triangle logic + InvisibleButton("hsv", ImVec2(sv_picker_size + style.ItemInnerSpacing.x + bars_width, sv_picker_size)); + if (IsItemActive()) + { + ImVec2 initial_off = g.IO.MouseClickedPos[0] - wheel_center; + ImVec2 current_off = g.IO.MousePos - wheel_center; + float initial_dist2 = ImLengthSqr(initial_off); + if (initial_dist2 >= (wheel_r_inner-1)*(wheel_r_inner-1) && initial_dist2 <= (wheel_r_outer+1)*(wheel_r_outer+1)) + { + // Interactive with Hue wheel + H = ImAtan2(current_off.y, current_off.x) / IM_PI*0.5f; + if (H < 0.0f) + H += 1.0f; + value_changed = value_changed_h = true; + } + float cos_hue_angle = ImCos(-H * 2.0f * IM_PI); + float sin_hue_angle = ImSin(-H * 2.0f * IM_PI); + if (ImTriangleContainsPoint(triangle_pa, triangle_pb, triangle_pc, ImRotate(initial_off, cos_hue_angle, sin_hue_angle))) + { + // Interacting with SV triangle + ImVec2 current_off_unrotated = ImRotate(current_off, cos_hue_angle, sin_hue_angle); + if (!ImTriangleContainsPoint(triangle_pa, triangle_pb, triangle_pc, current_off_unrotated)) + current_off_unrotated = ImTriangleClosestPoint(triangle_pa, triangle_pb, triangle_pc, current_off_unrotated); + float uu, vv, ww; + ImTriangleBarycentricCoords(triangle_pa, triangle_pb, triangle_pc, current_off_unrotated, uu, vv, ww); + V = ImClamp(1.0f - vv, 0.0001f, 1.0f); + S = ImClamp(uu / V, 0.0001f, 1.0f); + value_changed = value_changed_sv = true; + } + } + if (!(flags & ImGuiColorEditFlags_NoOptions)) + OpenPopupOnItemClick("context"); + } + else if (flags & ImGuiColorEditFlags_PickerHueBar) + { + // SV rectangle logic + InvisibleButton("sv", ImVec2(sv_picker_size, sv_picker_size)); + if (IsItemActive()) + { + S = ImSaturate((io.MousePos.x - picker_pos.x) / (sv_picker_size-1)); + V = 1.0f - ImSaturate((io.MousePos.y - picker_pos.y) / (sv_picker_size-1)); + value_changed = value_changed_sv = true; + } + if (!(flags & ImGuiColorEditFlags_NoOptions)) + OpenPopupOnItemClick("context"); + + // Hue bar logic + SetCursorScreenPos(ImVec2(bar0_pos_x, picker_pos.y)); + InvisibleButton("hue", ImVec2(bars_width, sv_picker_size)); + if (IsItemActive()) + { + H = ImSaturate((io.MousePos.y - picker_pos.y) / (sv_picker_size-1)); + value_changed = value_changed_h = true; + } + } + + // Alpha bar logic + if (alpha_bar) + { + SetCursorScreenPos(ImVec2(bar1_pos_x, picker_pos.y)); + InvisibleButton("alpha", ImVec2(bars_width, sv_picker_size)); + if (IsItemActive()) + { + col[3] = 1.0f - ImSaturate((io.MousePos.y - picker_pos.y) / (sv_picker_size-1)); + value_changed = true; + } + } + PopItemFlag(); // ImGuiItemFlags_NoNav + + if (!(flags & ImGuiColorEditFlags_NoSidePreview)) + { + SameLine(0, style.ItemInnerSpacing.x); + BeginGroup(); + } + + if (!(flags & ImGuiColorEditFlags_NoLabel)) + { + const char* label_display_end = FindRenderedTextEnd(label); + if (label != label_display_end) + { + if ((flags & ImGuiColorEditFlags_NoSidePreview)) + SameLine(0, style.ItemInnerSpacing.x); + TextEx(label, label_display_end); + } + } + + if (!(flags & ImGuiColorEditFlags_NoSidePreview)) + { + PushItemFlag(ImGuiItemFlags_NoNavDefaultFocus, true); + ImVec4 col_v4(col[0], col[1], col[2], (flags & ImGuiColorEditFlags_NoAlpha) ? 1.0f : col[3]); + if ((flags & ImGuiColorEditFlags_NoLabel)) + Text("Current"); + + ImGuiColorEditFlags sub_flags_to_forward = ImGuiColorEditFlags__InputMask | ImGuiColorEditFlags_HDR | ImGuiColorEditFlags_AlphaPreview | ImGuiColorEditFlags_AlphaPreviewHalf | ImGuiColorEditFlags_NoTooltip; + ColorButton("##current", col_v4, (flags & sub_flags_to_forward), ImVec2(square_sz * 3, square_sz * 2)); + if (ref_col != NULL) + { + Text("Original"); + ImVec4 ref_col_v4(ref_col[0], ref_col[1], ref_col[2], (flags & ImGuiColorEditFlags_NoAlpha) ? 1.0f : ref_col[3]); + if (ColorButton("##original", ref_col_v4, (flags & sub_flags_to_forward), ImVec2(square_sz * 3, square_sz * 2))) + { + memcpy(col, ref_col, components * sizeof(float)); + value_changed = true; + } + } + PopItemFlag(); + EndGroup(); + } + + // Convert back color to RGB + if (value_changed_h || value_changed_sv) + { + if (flags & ImGuiColorEditFlags_InputRGB) + { + ColorConvertHSVtoRGB(H >= 1.0f ? H - 10 * 1e-6f : H, S > 0.0f ? S : 10*1e-6f, V > 0.0f ? V : 1e-6f, col[0], col[1], col[2]); + g.ColorEditLastHue = H; + g.ColorEditLastSat = S; + memcpy(g.ColorEditLastColor, col, sizeof(float) * 3); + } + else if (flags & ImGuiColorEditFlags_InputHSV) + { + col[0] = H; + col[1] = S; + col[2] = V; + } + } + + // R,G,B and H,S,V slider color editor + bool value_changed_fix_hue_wrap = false; + if ((flags & ImGuiColorEditFlags_NoInputs) == 0) + { + PushItemWidth((alpha_bar ? bar1_pos_x : bar0_pos_x) + bars_width - picker_pos.x); + ImGuiColorEditFlags sub_flags_to_forward = ImGuiColorEditFlags__DataTypeMask | ImGuiColorEditFlags__InputMask | ImGuiColorEditFlags_HDR | ImGuiColorEditFlags_NoAlpha | ImGuiColorEditFlags_NoOptions | ImGuiColorEditFlags_NoSmallPreview | ImGuiColorEditFlags_AlphaPreview | ImGuiColorEditFlags_AlphaPreviewHalf; + ImGuiColorEditFlags sub_flags = (flags & sub_flags_to_forward) | ImGuiColorEditFlags_NoPicker; + if (flags & ImGuiColorEditFlags_DisplayRGB || (flags & ImGuiColorEditFlags__DisplayMask) == 0) + if (ColorEdit4("##rgb", col, sub_flags | ImGuiColorEditFlags_DisplayRGB)) + { + // FIXME: Hackily differenciating using the DragInt (ActiveId != 0 && !ActiveIdAllowOverlap) vs. using the InputText or DropTarget. + // For the later we don't want to run the hue-wrap canceling code. If you are well versed in HSV picker please provide your input! (See #2050) + value_changed_fix_hue_wrap = (g.ActiveId != 0 && !g.ActiveIdAllowOverlap); + value_changed = true; + } + if (flags & ImGuiColorEditFlags_DisplayHSV || (flags & ImGuiColorEditFlags__DisplayMask) == 0) + value_changed |= ColorEdit4("##hsv", col, sub_flags | ImGuiColorEditFlags_DisplayHSV); + if (flags & ImGuiColorEditFlags_DisplayHex || (flags & ImGuiColorEditFlags__DisplayMask) == 0) + value_changed |= ColorEdit4("##hex", col, sub_flags | ImGuiColorEditFlags_DisplayHex); + PopItemWidth(); + } + + // Try to cancel hue wrap (after ColorEdit4 call), if any + if (value_changed_fix_hue_wrap && (flags & ImGuiColorEditFlags_InputRGB)) + { + float new_H, new_S, new_V; + ColorConvertRGBtoHSV(col[0], col[1], col[2], new_H, new_S, new_V); + if (new_H <= 0 && H > 0) + { + if (new_V <= 0 && V != new_V) + ColorConvertHSVtoRGB(H, S, new_V <= 0 ? V * 0.5f : new_V, col[0], col[1], col[2]); + else if (new_S <= 0) + ColorConvertHSVtoRGB(H, new_S <= 0 ? S * 0.5f : new_S, new_V, col[0], col[1], col[2]); + } + } + + if (value_changed) + { + if (flags & ImGuiColorEditFlags_InputRGB) + { + R = col[0]; + G = col[1]; + B = col[2]; + ColorConvertRGBtoHSV(R, G, B, H, S, V); + if (memcmp(g.ColorEditLastColor, col, sizeof(float) * 3) == 0) // Fix local Hue as display below will use it immediately. + { + if (S == 0) + H = g.ColorEditLastHue; + if (V == 0) + S = g.ColorEditLastSat; + } + } + else if (flags & ImGuiColorEditFlags_InputHSV) + { + H = col[0]; + S = col[1]; + V = col[2]; + ColorConvertHSVtoRGB(H, S, V, R, G, B); + } + } + + const int style_alpha8 = IM_F32_TO_INT8_SAT(style.Alpha); + const ImU32 col_black = IM_COL32(0,0,0,style_alpha8); + const ImU32 col_white = IM_COL32(255,255,255,style_alpha8); + const ImU32 col_midgrey = IM_COL32(128,128,128,style_alpha8); + const ImU32 col_hues[6 + 1] = { IM_COL32(255,0,0,style_alpha8), IM_COL32(255,255,0,style_alpha8), IM_COL32(0,255,0,style_alpha8), IM_COL32(0,255,255,style_alpha8), IM_COL32(0,0,255,style_alpha8), IM_COL32(255,0,255,style_alpha8), IM_COL32(255,0,0,style_alpha8) }; + + ImVec4 hue_color_f(1, 1, 1, style.Alpha); ColorConvertHSVtoRGB(H, 1, 1, hue_color_f.x, hue_color_f.y, hue_color_f.z); + ImU32 hue_color32 = ColorConvertFloat4ToU32(hue_color_f); + ImU32 user_col32_striped_of_alpha = ColorConvertFloat4ToU32(ImVec4(R, G, B, style.Alpha)); // Important: this is still including the main rendering/style alpha!! + + ImVec2 sv_cursor_pos; + + if (flags & ImGuiColorEditFlags_PickerHueWheel) + { + // Render Hue Wheel + const float aeps = 0.5f / wheel_r_outer; // Half a pixel arc length in radians (2pi cancels out). + const int segment_per_arc = ImMax(4, (int)wheel_r_outer / 12); + for (int n = 0; n < 6; n++) + { + const float a0 = (n) /6.0f * 2.0f * IM_PI - aeps; + const float a1 = (n+1.0f)/6.0f * 2.0f * IM_PI + aeps; + const int vert_start_idx = draw_list->VtxBuffer.Size; + draw_list->PathArcTo(wheel_center, (wheel_r_inner + wheel_r_outer)*0.5f, a0, a1, segment_per_arc); + draw_list->PathStroke(col_white, false, wheel_thickness); + const int vert_end_idx = draw_list->VtxBuffer.Size; + + // Paint colors over existing vertices + ImVec2 gradient_p0(wheel_center.x + ImCos(a0) * wheel_r_inner, wheel_center.y + ImSin(a0) * wheel_r_inner); + ImVec2 gradient_p1(wheel_center.x + ImCos(a1) * wheel_r_inner, wheel_center.y + ImSin(a1) * wheel_r_inner); + ShadeVertsLinearColorGradientKeepAlpha(draw_list, vert_start_idx, vert_end_idx, gradient_p0, gradient_p1, col_hues[n], col_hues[n+1]); + } + + // Render Cursor + preview on Hue Wheel + float cos_hue_angle = ImCos(H * 2.0f * IM_PI); + float sin_hue_angle = ImSin(H * 2.0f * IM_PI); + ImVec2 hue_cursor_pos(wheel_center.x + cos_hue_angle * (wheel_r_inner+wheel_r_outer)*0.5f, wheel_center.y + sin_hue_angle * (wheel_r_inner+wheel_r_outer)*0.5f); + float hue_cursor_rad = value_changed_h ? wheel_thickness * 0.65f : wheel_thickness * 0.55f; + int hue_cursor_segments = ImClamp((int)(hue_cursor_rad / 1.4f), 9, 32); + draw_list->AddCircleFilled(hue_cursor_pos, hue_cursor_rad, hue_color32, hue_cursor_segments); + draw_list->AddCircle(hue_cursor_pos, hue_cursor_rad+1, col_midgrey, hue_cursor_segments); + draw_list->AddCircle(hue_cursor_pos, hue_cursor_rad, col_white, hue_cursor_segments); + + // Render SV triangle (rotated according to hue) + ImVec2 tra = wheel_center + ImRotate(triangle_pa, cos_hue_angle, sin_hue_angle); + ImVec2 trb = wheel_center + ImRotate(triangle_pb, cos_hue_angle, sin_hue_angle); + ImVec2 trc = wheel_center + ImRotate(triangle_pc, cos_hue_angle, sin_hue_angle); + ImVec2 uv_white = GetFontTexUvWhitePixel(); + draw_list->PrimReserve(6, 6); + draw_list->PrimVtx(tra, uv_white, hue_color32); + draw_list->PrimVtx(trb, uv_white, hue_color32); + draw_list->PrimVtx(trc, uv_white, col_white); + draw_list->PrimVtx(tra, uv_white, 0); + draw_list->PrimVtx(trb, uv_white, col_black); + draw_list->PrimVtx(trc, uv_white, 0); + draw_list->AddTriangle(tra, trb, trc, col_midgrey, 1.5f); + sv_cursor_pos = ImLerp(ImLerp(trc, tra, ImSaturate(S)), trb, ImSaturate(1 - V)); + } + else if (flags & ImGuiColorEditFlags_PickerHueBar) + { + // Render SV Square + draw_list->AddRectFilledMultiColor(picker_pos, picker_pos + ImVec2(sv_picker_size, sv_picker_size), col_white, hue_color32, hue_color32, col_white); + draw_list->AddRectFilledMultiColor(picker_pos, picker_pos + ImVec2(sv_picker_size, sv_picker_size), 0, 0, col_black, col_black); + RenderFrameBorder(picker_pos, picker_pos + ImVec2(sv_picker_size, sv_picker_size), 0.0f); + sv_cursor_pos.x = ImClamp(IM_ROUND(picker_pos.x + ImSaturate(S) * sv_picker_size), picker_pos.x + 2, picker_pos.x + sv_picker_size - 2); // Sneakily prevent the circle to stick out too much + sv_cursor_pos.y = ImClamp(IM_ROUND(picker_pos.y + ImSaturate(1 - V) * sv_picker_size), picker_pos.y + 2, picker_pos.y + sv_picker_size - 2); + + // Render Hue Bar + for (int i = 0; i < 6; ++i) + draw_list->AddRectFilledMultiColor(ImVec2(bar0_pos_x, picker_pos.y + i * (sv_picker_size / 6)), ImVec2(bar0_pos_x + bars_width, picker_pos.y + (i + 1) * (sv_picker_size / 6)), col_hues[i], col_hues[i], col_hues[i + 1], col_hues[i + 1]); + float bar0_line_y = IM_ROUND(picker_pos.y + H * sv_picker_size); + RenderFrameBorder(ImVec2(bar0_pos_x, picker_pos.y), ImVec2(bar0_pos_x + bars_width, picker_pos.y + sv_picker_size), 0.0f); + RenderArrowsForVerticalBar(draw_list, ImVec2(bar0_pos_x - 1, bar0_line_y), ImVec2(bars_triangles_half_sz + 1, bars_triangles_half_sz), bars_width + 2.0f, style.Alpha); + } + + // Render cursor/preview circle (clamp S/V within 0..1 range because floating points colors may lead HSV values to be out of range) + float sv_cursor_rad = value_changed_sv ? 10.0f : 6.0f; + draw_list->AddCircleFilled(sv_cursor_pos, sv_cursor_rad, user_col32_striped_of_alpha, 12); + draw_list->AddCircle(sv_cursor_pos, sv_cursor_rad+1, col_midgrey, 12); + draw_list->AddCircle(sv_cursor_pos, sv_cursor_rad, col_white, 12); + + // Render alpha bar + if (alpha_bar) + { + float alpha = ImSaturate(col[3]); + ImRect bar1_bb(bar1_pos_x, picker_pos.y, bar1_pos_x + bars_width, picker_pos.y + sv_picker_size); + RenderColorRectWithAlphaCheckerboard(draw_list, bar1_bb.Min, bar1_bb.Max, 0, bar1_bb.GetWidth() / 2.0f, ImVec2(0.0f, 0.0f)); + draw_list->AddRectFilledMultiColor(bar1_bb.Min, bar1_bb.Max, user_col32_striped_of_alpha, user_col32_striped_of_alpha, user_col32_striped_of_alpha & ~IM_COL32_A_MASK, user_col32_striped_of_alpha & ~IM_COL32_A_MASK); + float bar1_line_y = IM_ROUND(picker_pos.y + (1.0f - alpha) * sv_picker_size); + RenderFrameBorder(bar1_bb.Min, bar1_bb.Max, 0.0f); + RenderArrowsForVerticalBar(draw_list, ImVec2(bar1_pos_x - 1, bar1_line_y), ImVec2(bars_triangles_half_sz + 1, bars_triangles_half_sz), bars_width + 2.0f, style.Alpha); + } + + EndGroup(); + + if (value_changed && memcmp(backup_initial_col, col, components * sizeof(float)) == 0) + value_changed = false; + if (value_changed) + MarkItemEdited(window->DC.LastItemId); + + PopID(); + + return value_changed; +} + +// A little colored square. Return true when clicked. +// FIXME: May want to display/ignore the alpha component in the color display? Yet show it in the tooltip. +// 'desc_id' is not called 'label' because we don't display it next to the button, but only in the tooltip. +// Note that 'col' may be encoded in HSV if ImGuiColorEditFlags_InputHSV is set. +bool ImGui::ColorButton(const char* desc_id, const ImVec4& col, ImGuiColorEditFlags flags, ImVec2 size) +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return false; + + ImGuiContext& g = *GImGui; + const ImGuiID id = window->GetID(desc_id); + float default_size = GetFrameHeight(); + if (size.x == 0.0f) + size.x = default_size; + if (size.y == 0.0f) + size.y = default_size; + const ImRect bb(window->DC.CursorPos, window->DC.CursorPos + size); + ItemSize(bb, (size.y >= default_size) ? g.Style.FramePadding.y : 0.0f); + if (!ItemAdd(bb, id)) + return false; + + bool hovered, held; + bool pressed = ButtonBehavior(bb, id, &hovered, &held); + + if (flags & ImGuiColorEditFlags_NoAlpha) + flags &= ~(ImGuiColorEditFlags_AlphaPreview | ImGuiColorEditFlags_AlphaPreviewHalf); + + ImVec4 col_rgb = col; + if (flags & ImGuiColorEditFlags_InputHSV) + ColorConvertHSVtoRGB(col_rgb.x, col_rgb.y, col_rgb.z, col_rgb.x, col_rgb.y, col_rgb.z); + + ImVec4 col_rgb_without_alpha(col_rgb.x, col_rgb.y, col_rgb.z, 1.0f); + float grid_step = ImMin(size.x, size.y) / 2.99f; + float rounding = ImMin(g.Style.FrameRounding, grid_step * 0.5f); + ImRect bb_inner = bb; + float off = 0.0f; + if ((flags & ImGuiColorEditFlags_NoBorder) == 0) + { + off = -0.75f; // The border (using Col_FrameBg) tends to look off when color is near-opaque and rounding is enabled. This offset seemed like a good middle ground to reduce those artifacts. + bb_inner.Expand(off); + } + if ((flags & ImGuiColorEditFlags_AlphaPreviewHalf) && col_rgb.w < 1.0f) + { + float mid_x = IM_ROUND((bb_inner.Min.x + bb_inner.Max.x) * 0.5f); + RenderColorRectWithAlphaCheckerboard(window->DrawList, ImVec2(bb_inner.Min.x + grid_step, bb_inner.Min.y), bb_inner.Max, GetColorU32(col_rgb), grid_step, ImVec2(-grid_step + off, off), rounding, ImDrawCornerFlags_TopRight| ImDrawCornerFlags_BotRight); + window->DrawList->AddRectFilled(bb_inner.Min, ImVec2(mid_x, bb_inner.Max.y), GetColorU32(col_rgb_without_alpha), rounding, ImDrawCornerFlags_TopLeft|ImDrawCornerFlags_BotLeft); + } + else + { + // Because GetColorU32() multiplies by the global style Alpha and we don't want to display a checkerboard if the source code had no alpha + ImVec4 col_source = (flags & ImGuiColorEditFlags_AlphaPreview) ? col_rgb : col_rgb_without_alpha; + if (col_source.w < 1.0f) + RenderColorRectWithAlphaCheckerboard(window->DrawList, bb_inner.Min, bb_inner.Max, GetColorU32(col_source), grid_step, ImVec2(off, off), rounding); + else + window->DrawList->AddRectFilled(bb_inner.Min, bb_inner.Max, GetColorU32(col_source), rounding, ImDrawCornerFlags_All); + } + RenderNavHighlight(bb, id); + if ((flags & ImGuiColorEditFlags_NoBorder) == 0) + { + if (g.Style.FrameBorderSize > 0.0f) + RenderFrameBorder(bb.Min, bb.Max, rounding); + else + window->DrawList->AddRect(bb.Min, bb.Max, GetColorU32(ImGuiCol_FrameBg), rounding); // Color button are often in need of some sort of border + } + + // Drag and Drop Source + // NB: The ActiveId test is merely an optional micro-optimization, BeginDragDropSource() does the same test. + if (g.ActiveId == id && !(flags & ImGuiColorEditFlags_NoDragDrop) && BeginDragDropSource()) + { + if (flags & ImGuiColorEditFlags_NoAlpha) + SetDragDropPayload(IMGUI_PAYLOAD_TYPE_COLOR_3F, &col_rgb, sizeof(float) * 3, ImGuiCond_Once); + else + SetDragDropPayload(IMGUI_PAYLOAD_TYPE_COLOR_4F, &col_rgb, sizeof(float) * 4, ImGuiCond_Once); + ColorButton(desc_id, col, flags); + SameLine(); + TextEx("Color"); + EndDragDropSource(); + } + + // Tooltip + if (!(flags & ImGuiColorEditFlags_NoTooltip) && hovered) + ColorTooltip(desc_id, &col.x, flags & (ImGuiColorEditFlags__InputMask | ImGuiColorEditFlags_NoAlpha | ImGuiColorEditFlags_AlphaPreview | ImGuiColorEditFlags_AlphaPreviewHalf)); + + return pressed; +} + +// Initialize/override default color options +void ImGui::SetColorEditOptions(ImGuiColorEditFlags flags) +{ + ImGuiContext& g = *GImGui; + if ((flags & ImGuiColorEditFlags__DisplayMask) == 0) + flags |= ImGuiColorEditFlags__OptionsDefault & ImGuiColorEditFlags__DisplayMask; + if ((flags & ImGuiColorEditFlags__DataTypeMask) == 0) + flags |= ImGuiColorEditFlags__OptionsDefault & ImGuiColorEditFlags__DataTypeMask; + if ((flags & ImGuiColorEditFlags__PickerMask) == 0) + flags |= ImGuiColorEditFlags__OptionsDefault & ImGuiColorEditFlags__PickerMask; + if ((flags & ImGuiColorEditFlags__InputMask) == 0) + flags |= ImGuiColorEditFlags__OptionsDefault & ImGuiColorEditFlags__InputMask; + IM_ASSERT(ImIsPowerOfTwo(flags & ImGuiColorEditFlags__DisplayMask)); // Check only 1 option is selected + IM_ASSERT(ImIsPowerOfTwo(flags & ImGuiColorEditFlags__DataTypeMask)); // Check only 1 option is selected + IM_ASSERT(ImIsPowerOfTwo(flags & ImGuiColorEditFlags__PickerMask)); // Check only 1 option is selected + IM_ASSERT(ImIsPowerOfTwo(flags & ImGuiColorEditFlags__InputMask)); // Check only 1 option is selected + g.ColorEditOptions = flags; +} + +// Note: only access 3 floats if ImGuiColorEditFlags_NoAlpha flag is set. +void ImGui::ColorTooltip(const char* text, const float* col, ImGuiColorEditFlags flags) +{ + ImGuiContext& g = *GImGui; + + BeginTooltipEx(0, ImGuiTooltipFlags_OverridePreviousTooltip); + const char* text_end = text ? FindRenderedTextEnd(text, NULL) : text; + if (text_end > text) + { + TextEx(text, text_end); + Separator(); + } + + ImVec2 sz(g.FontSize * 3 + g.Style.FramePadding.y * 2, g.FontSize * 3 + g.Style.FramePadding.y * 2); + ImVec4 cf(col[0], col[1], col[2], (flags & ImGuiColorEditFlags_NoAlpha) ? 1.0f : col[3]); + int cr = IM_F32_TO_INT8_SAT(col[0]), cg = IM_F32_TO_INT8_SAT(col[1]), cb = IM_F32_TO_INT8_SAT(col[2]), ca = (flags & ImGuiColorEditFlags_NoAlpha) ? 255 : IM_F32_TO_INT8_SAT(col[3]); + ColorButton("##preview", cf, (flags & (ImGuiColorEditFlags__InputMask | ImGuiColorEditFlags_NoAlpha | ImGuiColorEditFlags_AlphaPreview | ImGuiColorEditFlags_AlphaPreviewHalf)) | ImGuiColorEditFlags_NoTooltip, sz); + SameLine(); + if ((flags & ImGuiColorEditFlags_InputRGB) || !(flags & ImGuiColorEditFlags__InputMask)) + { + if (flags & ImGuiColorEditFlags_NoAlpha) + Text("#%02X%02X%02X\nR: %d, G: %d, B: %d\n(%.3f, %.3f, %.3f)", cr, cg, cb, cr, cg, cb, col[0], col[1], col[2]); + else + Text("#%02X%02X%02X%02X\nR:%d, G:%d, B:%d, A:%d\n(%.3f, %.3f, %.3f, %.3f)", cr, cg, cb, ca, cr, cg, cb, ca, col[0], col[1], col[2], col[3]); + } + else if (flags & ImGuiColorEditFlags_InputHSV) + { + if (flags & ImGuiColorEditFlags_NoAlpha) + Text("H: %.3f, S: %.3f, V: %.3f", col[0], col[1], col[2]); + else + Text("H: %.3f, S: %.3f, V: %.3f, A: %.3f", col[0], col[1], col[2], col[3]); + } + EndTooltip(); +} + +void ImGui::ColorEditOptionsPopup(const float* col, ImGuiColorEditFlags flags) +{ + bool allow_opt_inputs = !(flags & ImGuiColorEditFlags__DisplayMask); + bool allow_opt_datatype = !(flags & ImGuiColorEditFlags__DataTypeMask); + if ((!allow_opt_inputs && !allow_opt_datatype) || !BeginPopup("context")) + return; + ImGuiContext& g = *GImGui; + ImGuiColorEditFlags opts = g.ColorEditOptions; + if (allow_opt_inputs) + { + if (RadioButton("RGB", (opts & ImGuiColorEditFlags_DisplayRGB) != 0)) opts = (opts & ~ImGuiColorEditFlags__DisplayMask) | ImGuiColorEditFlags_DisplayRGB; + if (RadioButton("HSV", (opts & ImGuiColorEditFlags_DisplayHSV) != 0)) opts = (opts & ~ImGuiColorEditFlags__DisplayMask) | ImGuiColorEditFlags_DisplayHSV; + if (RadioButton("Hex", (opts & ImGuiColorEditFlags_DisplayHex) != 0)) opts = (opts & ~ImGuiColorEditFlags__DisplayMask) | ImGuiColorEditFlags_DisplayHex; + } + if (allow_opt_datatype) + { + if (allow_opt_inputs) Separator(); + if (RadioButton("0..255", (opts & ImGuiColorEditFlags_Uint8) != 0)) opts = (opts & ~ImGuiColorEditFlags__DataTypeMask) | ImGuiColorEditFlags_Uint8; + if (RadioButton("0.00..1.00", (opts & ImGuiColorEditFlags_Float) != 0)) opts = (opts & ~ImGuiColorEditFlags__DataTypeMask) | ImGuiColorEditFlags_Float; + } + + if (allow_opt_inputs || allow_opt_datatype) + Separator(); + if (Button("Copy as..", ImVec2(-1,0))) + OpenPopup("Copy"); + if (BeginPopup("Copy")) + { + int cr = IM_F32_TO_INT8_SAT(col[0]), cg = IM_F32_TO_INT8_SAT(col[1]), cb = IM_F32_TO_INT8_SAT(col[2]), ca = (flags & ImGuiColorEditFlags_NoAlpha) ? 255 : IM_F32_TO_INT8_SAT(col[3]); + char buf[64]; + ImFormatString(buf, IM_ARRAYSIZE(buf), "(%.3ff, %.3ff, %.3ff, %.3ff)", col[0], col[1], col[2], (flags & ImGuiColorEditFlags_NoAlpha) ? 1.0f : col[3]); + if (Selectable(buf)) + SetClipboardText(buf); + ImFormatString(buf, IM_ARRAYSIZE(buf), "(%d,%d,%d,%d)", cr, cg, cb, ca); + if (Selectable(buf)) + SetClipboardText(buf); + ImFormatString(buf, IM_ARRAYSIZE(buf), "#%02X%02X%02X", cr, cg, cb); + if (Selectable(buf)) + SetClipboardText(buf); + if (!(flags & ImGuiColorEditFlags_NoAlpha)) + { + ImFormatString(buf, IM_ARRAYSIZE(buf), "#%02X%02X%02X%02X", cr, cg, cb, ca); + if (Selectable(buf)) + SetClipboardText(buf); + } + EndPopup(); + } + + g.ColorEditOptions = opts; + EndPopup(); +} + +void ImGui::ColorPickerOptionsPopup(const float* ref_col, ImGuiColorEditFlags flags) +{ + bool allow_opt_picker = !(flags & ImGuiColorEditFlags__PickerMask); + bool allow_opt_alpha_bar = !(flags & ImGuiColorEditFlags_NoAlpha) && !(flags & ImGuiColorEditFlags_AlphaBar); + if ((!allow_opt_picker && !allow_opt_alpha_bar) || !BeginPopup("context")) + return; + ImGuiContext& g = *GImGui; + if (allow_opt_picker) + { + ImVec2 picker_size(g.FontSize * 8, ImMax(g.FontSize * 8 - (GetFrameHeight() + g.Style.ItemInnerSpacing.x), 1.0f)); // FIXME: Picker size copied from main picker function + PushItemWidth(picker_size.x); + for (int picker_type = 0; picker_type < 2; picker_type++) + { + // Draw small/thumbnail version of each picker type (over an invisible button for selection) + if (picker_type > 0) Separator(); + PushID(picker_type); + ImGuiColorEditFlags picker_flags = ImGuiColorEditFlags_NoInputs|ImGuiColorEditFlags_NoOptions|ImGuiColorEditFlags_NoLabel|ImGuiColorEditFlags_NoSidePreview|(flags & ImGuiColorEditFlags_NoAlpha); + if (picker_type == 0) picker_flags |= ImGuiColorEditFlags_PickerHueBar; + if (picker_type == 1) picker_flags |= ImGuiColorEditFlags_PickerHueWheel; + ImVec2 backup_pos = GetCursorScreenPos(); + if (Selectable("##selectable", false, 0, picker_size)) // By default, Selectable() is closing popup + g.ColorEditOptions = (g.ColorEditOptions & ~ImGuiColorEditFlags__PickerMask) | (picker_flags & ImGuiColorEditFlags__PickerMask); + SetCursorScreenPos(backup_pos); + ImVec4 dummy_ref_col; + memcpy(&dummy_ref_col, ref_col, sizeof(float) * ((picker_flags & ImGuiColorEditFlags_NoAlpha) ? 3 : 4)); + ColorPicker4("##dummypicker", &dummy_ref_col.x, picker_flags); + PopID(); + } + PopItemWidth(); + } + if (allow_opt_alpha_bar) + { + if (allow_opt_picker) Separator(); + CheckboxFlags("Alpha Bar", (unsigned int*)&g.ColorEditOptions, ImGuiColorEditFlags_AlphaBar); + } + EndPopup(); +} + +//------------------------------------------------------------------------- +// [SECTION] Widgets: TreeNode, CollapsingHeader, etc. +//------------------------------------------------------------------------- +// - TreeNode() +// - TreeNodeV() +// - TreeNodeEx() +// - TreeNodeExV() +// - TreeNodeBehavior() [Internal] +// - TreePush() +// - TreePop() +// - GetTreeNodeToLabelSpacing() +// - SetNextItemOpen() +// - CollapsingHeader() +//------------------------------------------------------------------------- + +bool ImGui::TreeNode(const char* str_id, const char* fmt, ...) +{ + va_list args; + va_start(args, fmt); + bool is_open = TreeNodeExV(str_id, 0, fmt, args); + va_end(args); + return is_open; +} + +bool ImGui::TreeNode(const void* ptr_id, const char* fmt, ...) +{ + va_list args; + va_start(args, fmt); + bool is_open = TreeNodeExV(ptr_id, 0, fmt, args); + va_end(args); + return is_open; +} + +bool ImGui::TreeNode(const char* label) +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return false; + return TreeNodeBehavior(window->GetID(label), 0, label, NULL); +} + +bool ImGui::TreeNodeV(const char* str_id, const char* fmt, va_list args) +{ + return TreeNodeExV(str_id, 0, fmt, args); +} + +bool ImGui::TreeNodeV(const void* ptr_id, const char* fmt, va_list args) +{ + return TreeNodeExV(ptr_id, 0, fmt, args); +} + +bool ImGui::TreeNodeEx(const char* label, ImGuiTreeNodeFlags flags) +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return false; + + return TreeNodeBehavior(window->GetID(label), flags, label, NULL); +} + +bool ImGui::TreeNodeEx(const char* str_id, ImGuiTreeNodeFlags flags, const char* fmt, ...) +{ + va_list args; + va_start(args, fmt); + bool is_open = TreeNodeExV(str_id, flags, fmt, args); + va_end(args); + return is_open; +} + +bool ImGui::TreeNodeEx(const void* ptr_id, ImGuiTreeNodeFlags flags, const char* fmt, ...) +{ + va_list args; + va_start(args, fmt); + bool is_open = TreeNodeExV(ptr_id, flags, fmt, args); + va_end(args); + return is_open; +} + +bool ImGui::TreeNodeExV(const char* str_id, ImGuiTreeNodeFlags flags, const char* fmt, va_list args) +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return false; + + ImGuiContext& g = *GImGui; + const char* label_end = g.TempBuffer + ImFormatStringV(g.TempBuffer, IM_ARRAYSIZE(g.TempBuffer), fmt, args); + return TreeNodeBehavior(window->GetID(str_id), flags, g.TempBuffer, label_end); +} + +bool ImGui::TreeNodeExV(const void* ptr_id, ImGuiTreeNodeFlags flags, const char* fmt, va_list args) +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return false; + + ImGuiContext& g = *GImGui; + const char* label_end = g.TempBuffer + ImFormatStringV(g.TempBuffer, IM_ARRAYSIZE(g.TempBuffer), fmt, args); + return TreeNodeBehavior(window->GetID(ptr_id), flags, g.TempBuffer, label_end); +} + +bool ImGui::TreeNodeBehaviorIsOpen(ImGuiID id, ImGuiTreeNodeFlags flags) +{ + if (flags & ImGuiTreeNodeFlags_Leaf) + return true; + + // We only write to the tree storage if the user clicks (or explicitly use the SetNextItemOpen function) + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + ImGuiStorage* storage = window->DC.StateStorage; + + bool is_open; + if (g.NextItemData.Flags & ImGuiNextItemDataFlags_HasOpen) + { + if (g.NextItemData.OpenCond & ImGuiCond_Always) + { + is_open = g.NextItemData.OpenVal; + storage->SetInt(id, is_open); + } + else + { + // We treat ImGuiCond_Once and ImGuiCond_FirstUseEver the same because tree node state are not saved persistently. + const int stored_value = storage->GetInt(id, -1); + if (stored_value == -1) + { + is_open = g.NextItemData.OpenVal; + storage->SetInt(id, is_open); + } + else + { + is_open = stored_value != 0; + } + } + } + else + { + is_open = storage->GetInt(id, (flags & ImGuiTreeNodeFlags_DefaultOpen) ? 1 : 0) != 0; + } + + // When logging is enabled, we automatically expand tree nodes (but *NOT* collapsing headers.. seems like sensible behavior). + // NB- If we are above max depth we still allow manually opened nodes to be logged. + if (g.LogEnabled && !(flags & ImGuiTreeNodeFlags_NoAutoOpenOnLog) && (window->DC.TreeDepth - g.LogDepthRef) < g.LogDepthToExpand) + is_open = true; + + return is_open; +} + +bool ImGui::TreeNodeBehavior(ImGuiID id, ImGuiTreeNodeFlags flags, const char* label, const char* label_end) +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return false; + + ImGuiContext& g = *GImGui; + const ImGuiStyle& style = g.Style; + const bool display_frame = (flags & ImGuiTreeNodeFlags_Framed) != 0; + const ImVec2 padding = (display_frame || (flags & ImGuiTreeNodeFlags_FramePadding)) ? style.FramePadding : ImVec2(style.FramePadding.x, ImMin(window->DC.CurrLineTextBaseOffset, style.FramePadding.y)); + + if (!label_end) + label_end = FindRenderedTextEnd(label); + const ImVec2 label_size = CalcTextSize(label, label_end, false); + + // We vertically grow up to current line height up the typical widget height. + const float frame_height = ImMax(ImMin(window->DC.CurrLineSize.y, g.FontSize + style.FramePadding.y*2), label_size.y + padding.y*2); + ImRect frame_bb; + frame_bb.Min.x = (flags & ImGuiTreeNodeFlags_SpanFullWidth) ? window->WorkRect.Min.x : window->DC.CursorPos.x; + frame_bb.Min.y = window->DC.CursorPos.y; + frame_bb.Max.x = window->WorkRect.Max.x; + frame_bb.Max.y = window->DC.CursorPos.y + frame_height; + if (display_frame) + { + // Framed header expand a little outside the default padding, to the edge of InnerClipRect + // (FIXME: May remove this at some point and make InnerClipRect align with WindowPadding.x instead of WindowPadding.x*0.5f) + frame_bb.Min.x -= IM_FLOOR(window->WindowPadding.x * 0.5f - 1.0f); + frame_bb.Max.x += IM_FLOOR(window->WindowPadding.x * 0.5f); + } + + const float text_offset_x = g.FontSize + (display_frame ? padding.x*3 : padding.x*2); // Collapser arrow width + Spacing + const float text_offset_y = ImMax(padding.y, window->DC.CurrLineTextBaseOffset); // Latch before ItemSize changes it + const float text_width = g.FontSize + (label_size.x > 0.0f ? label_size.x + padding.x*2 : 0.0f); // Include collapser + ImVec2 text_pos(window->DC.CursorPos.x + text_offset_x, window->DC.CursorPos.y + text_offset_y); + ItemSize(ImVec2(text_width, frame_height), padding.y); + + // For regular tree nodes, we arbitrary allow to click past 2 worth of ItemSpacing + ImRect interact_bb = frame_bb; + if (!display_frame && (flags & (ImGuiTreeNodeFlags_SpanAvailWidth | ImGuiTreeNodeFlags_SpanFullWidth)) == 0) + interact_bb.Max.x = frame_bb.Min.x + text_width + style.ItemSpacing.x * 2.0f; + + // Store a flag for the current depth to tell if we will allow closing this node when navigating one of its child. + // For this purpose we essentially compare if g.NavIdIsAlive went from 0 to 1 between TreeNode() and TreePop(). + // This is currently only support 32 level deep and we are fine with (1 << Depth) overflowing into a zero. + const bool is_leaf = (flags & ImGuiTreeNodeFlags_Leaf) != 0; + bool is_open = TreeNodeBehaviorIsOpen(id, flags); + if (is_open && !g.NavIdIsAlive && (flags & ImGuiTreeNodeFlags_NavLeftJumpsBackHere) && !(flags & ImGuiTreeNodeFlags_NoTreePushOnOpen)) + window->DC.TreeJumpToParentOnPopMask |= (1 << window->DC.TreeDepth); + + bool item_add = ItemAdd(interact_bb, id); + window->DC.LastItemStatusFlags |= ImGuiItemStatusFlags_HasDisplayRect; + window->DC.LastItemDisplayRect = frame_bb; + + if (!item_add) + { + if (is_open && !(flags & ImGuiTreeNodeFlags_NoTreePushOnOpen)) + TreePushOverrideID(id); + IMGUI_TEST_ENGINE_ITEM_INFO(window->DC.LastItemId, label, window->DC.ItemFlags | (is_leaf ? 0 : ImGuiItemStatusFlags_Openable) | (is_open ? ImGuiItemStatusFlags_Opened : 0)); + return is_open; + } + + // Flags that affects opening behavior: + // - 0 (default) .................... single-click anywhere to open + // - OpenOnDoubleClick .............. double-click anywhere to open + // - OpenOnArrow .................... single-click on arrow to open + // - OpenOnDoubleClick|OpenOnArrow .. single-click on arrow or double-click anywhere to open + ImGuiButtonFlags button_flags = 0; + if (flags & ImGuiTreeNodeFlags_AllowItemOverlap) + button_flags |= ImGuiButtonFlags_AllowItemOverlap; + if (flags & ImGuiTreeNodeFlags_OpenOnDoubleClick) + button_flags |= ImGuiButtonFlags_PressedOnDoubleClick | ((flags & ImGuiTreeNodeFlags_OpenOnArrow) ? ImGuiButtonFlags_PressedOnClickRelease : 0); + else + button_flags |= ImGuiButtonFlags_PressedOnClickRelease; + if (!is_leaf) + button_flags |= ImGuiButtonFlags_PressedOnDragDropHold; + + // We allow clicking on the arrow section with keyboard modifiers held, in order to easily + // allow browsing a tree while preserving selection with code implementing multi-selection patterns. + // When clicking on the rest of the tree node we always disallow keyboard modifiers. + const float hit_padding_x = style.TouchExtraPadding.x; + const float arrow_hit_x1 = (text_pos.x - text_offset_x) - hit_padding_x; + const float arrow_hit_x2 = (text_pos.x - text_offset_x) + (g.FontSize + padding.x * 2.0f) + hit_padding_x; + if (window != g.HoveredWindow || !(g.IO.MousePos.x >= arrow_hit_x1 && g.IO.MousePos.x < arrow_hit_x2)) + button_flags |= ImGuiButtonFlags_NoKeyModifiers; + + bool selected = (flags & ImGuiTreeNodeFlags_Selected) != 0; + const bool was_selected = selected; + + bool hovered, held; + bool pressed = ButtonBehavior(interact_bb, id, &hovered, &held, button_flags); + bool toggled = false; + if (!is_leaf) + { + if (pressed) + { + if ((flags & (ImGuiTreeNodeFlags_OpenOnArrow | ImGuiTreeNodeFlags_OpenOnDoubleClick)) == 0 || (g.NavActivateId == id)) + toggled = true; + if (flags & ImGuiTreeNodeFlags_OpenOnArrow) + toggled |= (g.IO.MousePos.x >= arrow_hit_x1 && g.IO.MousePos.x < arrow_hit_x2) && (!g.NavDisableMouseHover); // Lightweight equivalent of IsMouseHoveringRect() since ButtonBehavior() already did the job + if ((flags & ImGuiTreeNodeFlags_OpenOnDoubleClick) && g.IO.MouseDoubleClicked[0]) + toggled = true; + if (g.DragDropActive && is_open) // When using Drag and Drop "hold to open" we keep the node highlighted after opening, but never close it again. + toggled = false; + } + + if (g.NavId == id && g.NavMoveRequest && g.NavMoveDir == ImGuiDir_Left && is_open) + { + toggled = true; + NavMoveRequestCancel(); + } + if (g.NavId == id && g.NavMoveRequest && g.NavMoveDir == ImGuiDir_Right && !is_open) // If there's something upcoming on the line we may want to give it the priority? + { + toggled = true; + NavMoveRequestCancel(); + } + + if (toggled) + { + is_open = !is_open; + window->DC.StateStorage->SetInt(id, is_open); + window->DC.LastItemStatusFlags |= ImGuiItemStatusFlags_ToggledOpen; + } + } + if (flags & ImGuiTreeNodeFlags_AllowItemOverlap) + SetItemAllowOverlap(); + + // In this branch, TreeNodeBehavior() cannot toggle the selection so this will never trigger. + if (selected != was_selected) //-V547 + window->DC.LastItemStatusFlags |= ImGuiItemStatusFlags_ToggledSelection; + + // Render + const ImU32 text_col = GetColorU32(ImGuiCol_Text); + ImGuiNavHighlightFlags nav_highlight_flags = ImGuiNavHighlightFlags_TypeThin; + if (display_frame) + { + // Framed type + const ImU32 bg_col = GetColorU32((held && hovered) ? ImGuiCol_HeaderActive : hovered ? ImGuiCol_HeaderHovered : ImGuiCol_Header); + RenderFrame(frame_bb.Min, frame_bb.Max, bg_col, true, style.FrameRounding); + RenderNavHighlight(frame_bb, id, nav_highlight_flags); + if (flags & ImGuiTreeNodeFlags_Bullet) + RenderBullet(window->DrawList, ImVec2(text_pos.x - text_offset_x * 0.60f, text_pos.y + g.FontSize * 0.5f), text_col); + else if (!is_leaf) + RenderArrow(window->DrawList, ImVec2(text_pos.x - text_offset_x + padding.x, text_pos.y), text_col, is_open ? ImGuiDir_Down : ImGuiDir_Right, 1.0f); + else // Leaf without bullet, left-adjusted text + text_pos.x -= text_offset_x; + if (flags & ImGuiTreeNodeFlags_ClipLabelForTrailingButton) + frame_bb.Max.x -= g.FontSize + style.FramePadding.x; + if (g.LogEnabled) + { + // NB: '##' is normally used to hide text (as a library-wide feature), so we need to specify the text range to make sure the ## aren't stripped out here. + const char log_prefix[] = "\n##"; + const char log_suffix[] = "##"; + LogRenderedText(&text_pos, log_prefix, log_prefix+3); + RenderTextClipped(text_pos, frame_bb.Max, label, label_end, &label_size); + LogRenderedText(&text_pos, log_suffix, log_suffix+2); + } + else + { + RenderTextClipped(text_pos, frame_bb.Max, label, label_end, &label_size); + } + } + else + { + // Unframed typed for tree nodes + if (hovered || selected) + { + const ImU32 bg_col = GetColorU32((held && hovered) ? ImGuiCol_HeaderActive : hovered ? ImGuiCol_HeaderHovered : ImGuiCol_Header); + RenderFrame(frame_bb.Min, frame_bb.Max, bg_col, false); + RenderNavHighlight(frame_bb, id, nav_highlight_flags); + } + if (flags & ImGuiTreeNodeFlags_Bullet) + RenderBullet(window->DrawList, ImVec2(text_pos.x - text_offset_x * 0.5f, text_pos.y + g.FontSize * 0.5f), text_col); + else if (!is_leaf) + RenderArrow(window->DrawList, ImVec2(text_pos.x - text_offset_x + padding.x, text_pos.y + g.FontSize * 0.15f), text_col, is_open ? ImGuiDir_Down : ImGuiDir_Right, 0.70f); + if (g.LogEnabled) + LogRenderedText(&text_pos, ">"); + RenderText(text_pos, label, label_end, false); + } + + if (is_open && !(flags & ImGuiTreeNodeFlags_NoTreePushOnOpen)) + TreePushOverrideID(id); + IMGUI_TEST_ENGINE_ITEM_INFO(id, label, window->DC.ItemFlags | (is_leaf ? 0 : ImGuiItemStatusFlags_Openable) | (is_open ? ImGuiItemStatusFlags_Opened : 0)); + return is_open; +} + +void ImGui::TreePush(const char* str_id) +{ + ImGuiWindow* window = GetCurrentWindow(); + Indent(); + window->DC.TreeDepth++; + PushID(str_id ? str_id : "#TreePush"); +} + +void ImGui::TreePush(const void* ptr_id) +{ + ImGuiWindow* window = GetCurrentWindow(); + Indent(); + window->DC.TreeDepth++; + PushID(ptr_id ? ptr_id : (const void*)"#TreePush"); +} + +void ImGui::TreePushOverrideID(ImGuiID id) +{ + ImGuiWindow* window = GetCurrentWindow(); + Indent(); + window->DC.TreeDepth++; + window->IDStack.push_back(id); +} + +void ImGui::TreePop() +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + Unindent(); + + window->DC.TreeDepth--; + ImU32 tree_depth_mask = (1 << window->DC.TreeDepth); + + // Handle Left arrow to move to parent tree node (when ImGuiTreeNodeFlags_NavLeftJumpsBackHere is enabled) + if (g.NavMoveDir == ImGuiDir_Left && g.NavWindow == window && NavMoveRequestButNoResultYet()) + if (g.NavIdIsAlive && (window->DC.TreeJumpToParentOnPopMask & tree_depth_mask)) + { + SetNavID(window->IDStack.back(), g.NavLayer, 0); + NavMoveRequestCancel(); + } + window->DC.TreeJumpToParentOnPopMask &= tree_depth_mask - 1; + + IM_ASSERT(window->IDStack.Size > 1); // There should always be 1 element in the IDStack (pushed during window creation). If this triggers you called TreePop/PopID too much. + PopID(); +} + +// Horizontal distance preceding label when using TreeNode() or Bullet() +float ImGui::GetTreeNodeToLabelSpacing() +{ + ImGuiContext& g = *GImGui; + return g.FontSize + (g.Style.FramePadding.x * 2.0f); +} + +// Set next TreeNode/CollapsingHeader open state. +void ImGui::SetNextItemOpen(bool is_open, ImGuiCond cond) +{ + ImGuiContext& g = *GImGui; + if (g.CurrentWindow->SkipItems) + return; + g.NextItemData.Flags |= ImGuiNextItemDataFlags_HasOpen; + g.NextItemData.OpenVal = is_open; + g.NextItemData.OpenCond = cond ? cond : ImGuiCond_Always; +} + +// CollapsingHeader returns true when opened but do not indent nor push into the ID stack (because of the ImGuiTreeNodeFlags_NoTreePushOnOpen flag). +// This is basically the same as calling TreeNodeEx(label, ImGuiTreeNodeFlags_CollapsingHeader). You can remove the _NoTreePushOnOpen flag if you want behavior closer to normal TreeNode(). +bool ImGui::CollapsingHeader(const char* label, ImGuiTreeNodeFlags flags) +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return false; + + return TreeNodeBehavior(window->GetID(label), flags | ImGuiTreeNodeFlags_CollapsingHeader, label); +} + +bool ImGui::CollapsingHeader(const char* label, bool* p_open, ImGuiTreeNodeFlags flags) +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return false; + + if (p_open && !*p_open) + return false; + + ImGuiID id = window->GetID(label); + flags |= ImGuiTreeNodeFlags_CollapsingHeader; + if (p_open) + flags |= ImGuiTreeNodeFlags_AllowItemOverlap | ImGuiTreeNodeFlags_ClipLabelForTrailingButton; + bool is_open = TreeNodeBehavior(id, flags, label); + if (p_open) + { + // Create a small overlapping close button + // FIXME: We can evolve this into user accessible helpers to add extra buttons on title bars, headers, etc. + // FIXME: CloseButton can overlap into text, need find a way to clip the text somehow. + ImGuiContext& g = *GImGui; + ImGuiItemHoveredDataBackup last_item_backup; + float button_size = g.FontSize; + float button_x = ImMax(window->DC.LastItemRect.Min.x, window->DC.LastItemRect.Max.x - g.Style.FramePadding.x * 2.0f - button_size); + float button_y = window->DC.LastItemRect.Min.y; + if (CloseButton(window->GetID((void*)((intptr_t)id + 1)), ImVec2(button_x, button_y))) + *p_open = false; + last_item_backup.Restore(); + } + + return is_open; +} + +//------------------------------------------------------------------------- +// [SECTION] Widgets: Selectable +//------------------------------------------------------------------------- +// - Selectable() +//------------------------------------------------------------------------- + +// Tip: pass a non-visible label (e.g. "##dummy") then you can use the space to draw other text or image. +// But you need to make sure the ID is unique, e.g. enclose calls in PushID/PopID or use ##unique_id. +bool ImGui::Selectable(const char* label, bool selected, ImGuiSelectableFlags flags, const ImVec2& size_arg) +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return false; + + ImGuiContext& g = *GImGui; + const ImGuiStyle& style = g.Style; + + if ((flags & ImGuiSelectableFlags_SpanAllColumns) && window->DC.CurrentColumns) // FIXME-OPT: Avoid if vertically clipped. + PushColumnsBackground(); + + ImGuiID id = window->GetID(label); + ImVec2 label_size = CalcTextSize(label, NULL, true); + ImVec2 size(size_arg.x != 0.0f ? size_arg.x : label_size.x, size_arg.y != 0.0f ? size_arg.y : label_size.y); + ImVec2 pos = window->DC.CursorPos; + pos.y += window->DC.CurrLineTextBaseOffset; + ImRect bb_inner(pos, pos + size); + ItemSize(size, 0.0f); + + // Fill horizontal space. + ImVec2 window_padding = window->WindowPadding; + float max_x = (flags & ImGuiSelectableFlags_SpanAllColumns) ? GetWindowContentRegionMax().x : GetContentRegionMax().x; + float w_draw = ImMax(label_size.x, window->Pos.x + max_x - window_padding.x - pos.x); + ImVec2 size_draw((size_arg.x != 0 && !(flags & ImGuiSelectableFlags_DrawFillAvailWidth)) ? size_arg.x : w_draw, size_arg.y != 0.0f ? size_arg.y : size.y); + ImRect bb(pos, pos + size_draw); + if (size_arg.x == 0.0f || (flags & ImGuiSelectableFlags_DrawFillAvailWidth)) + bb.Max.x += window_padding.x; + + // Selectables are tightly packed together so we extend the box to cover spacing between selectable. + const float spacing_x = style.ItemSpacing.x; + const float spacing_y = style.ItemSpacing.y; + const float spacing_L = IM_FLOOR(spacing_x * 0.50f); + const float spacing_U = IM_FLOOR(spacing_y * 0.50f); + bb.Min.x -= spacing_L; + bb.Min.y -= spacing_U; + bb.Max.x += (spacing_x - spacing_L); + bb.Max.y += (spacing_y - spacing_U); + + bool item_add; + if (flags & ImGuiSelectableFlags_Disabled) + { + ImGuiItemFlags backup_item_flags = window->DC.ItemFlags; + window->DC.ItemFlags |= ImGuiItemFlags_Disabled | ImGuiItemFlags_NoNavDefaultFocus; + item_add = ItemAdd(bb, id); + window->DC.ItemFlags = backup_item_flags; + } + else + { + item_add = ItemAdd(bb, id); + } + if (!item_add) + { + if ((flags & ImGuiSelectableFlags_SpanAllColumns) && window->DC.CurrentColumns) + PopColumnsBackground(); + return false; + } + + // We use NoHoldingActiveID on menus so user can click and _hold_ on a menu then drag to browse child entries + ImGuiButtonFlags button_flags = 0; + if (flags & ImGuiSelectableFlags_NoHoldingActiveID) { button_flags |= ImGuiButtonFlags_NoHoldingActiveId; } + if (flags & ImGuiSelectableFlags_SelectOnClick) { button_flags |= ImGuiButtonFlags_PressedOnClick; } + if (flags & ImGuiSelectableFlags_SelectOnRelease) { button_flags |= ImGuiButtonFlags_PressedOnRelease; } + if (flags & ImGuiSelectableFlags_Disabled) { button_flags |= ImGuiButtonFlags_Disabled; } + if (flags & ImGuiSelectableFlags_AllowDoubleClick) { button_flags |= ImGuiButtonFlags_PressedOnClickRelease | ImGuiButtonFlags_PressedOnDoubleClick; } + if (flags & ImGuiSelectableFlags_AllowItemOverlap) { button_flags |= ImGuiButtonFlags_AllowItemOverlap; } + + if (flags & ImGuiSelectableFlags_Disabled) + selected = false; + + const bool was_selected = selected; + bool hovered, held; + bool pressed = ButtonBehavior(bb, id, &hovered, &held, button_flags); + + // Update NavId when clicking or when Hovering (this doesn't happen on most widgets), so navigation can be resumed with gamepad/keyboard + if (pressed || (hovered && (flags & ImGuiSelectableFlags_SetNavIdOnHover))) + { + if (!g.NavDisableMouseHover && g.NavWindow == window && g.NavLayer == window->DC.NavLayerCurrent) + { + g.NavDisableHighlight = true; + SetNavID(id, window->DC.NavLayerCurrent, window->DC.NavFocusScopeIdCurrent); + } + } + if (pressed) + MarkItemEdited(id); + + if (flags & ImGuiSelectableFlags_AllowItemOverlap) + SetItemAllowOverlap(); + + // In this branch, Selectable() cannot toggle the selection so this will never trigger. + if (selected != was_selected) //-V547 + window->DC.LastItemStatusFlags |= ImGuiItemStatusFlags_ToggledSelection; + + // Render + if (held && (flags & ImGuiSelectableFlags_DrawHoveredWhenHeld)) + hovered = true; + if (hovered || selected) + { + const ImU32 col = GetColorU32((held && hovered) ? ImGuiCol_HeaderActive : hovered ? ImGuiCol_HeaderHovered : ImGuiCol_Header); + RenderFrame(bb.Min, bb.Max, col, false, 0.0f); + RenderNavHighlight(bb, id, ImGuiNavHighlightFlags_TypeThin | ImGuiNavHighlightFlags_NoRounding); + } + + if ((flags & ImGuiSelectableFlags_SpanAllColumns) && window->DC.CurrentColumns) + { + PopColumnsBackground(); + bb.Max.x -= (GetContentRegionMax().x - max_x); + } + + if (flags & ImGuiSelectableFlags_Disabled) PushStyleColor(ImGuiCol_Text, style.Colors[ImGuiCol_TextDisabled]); + RenderTextClipped(bb_inner.Min, bb_inner.Max, label, NULL, &label_size, style.SelectableTextAlign, &bb); + if (flags & ImGuiSelectableFlags_Disabled) PopStyleColor(); + + // Automatically close popups + if (pressed && (window->Flags & ImGuiWindowFlags_Popup) && !(flags & ImGuiSelectableFlags_DontClosePopups) && !(window->DC.ItemFlags & ImGuiItemFlags_SelectableDontClosePopup)) + CloseCurrentPopup(); + + IMGUI_TEST_ENGINE_ITEM_INFO(id, label, window->DC.ItemFlags); + return pressed; +} + +bool ImGui::Selectable(const char* label, bool* p_selected, ImGuiSelectableFlags flags, const ImVec2& size_arg) +{ + if (Selectable(label, *p_selected, flags, size_arg)) + { + *p_selected = !*p_selected; + return true; + } + return false; +} + +//------------------------------------------------------------------------- +// [SECTION] Widgets: ListBox +//------------------------------------------------------------------------- +// - ListBox() +// - ListBoxHeader() +// - ListBoxFooter() +//------------------------------------------------------------------------- +// FIXME: This is an old API. We should redesign some of it, rename ListBoxHeader->BeginListBox, ListBoxFooter->EndListBox +// and promote using them over existing ListBox() functions, similarly to change with combo boxes. +//------------------------------------------------------------------------- + +// FIXME: In principle this function should be called BeginListBox(). We should rename it after re-evaluating if we want to keep the same signature. +// Helper to calculate the size of a listbox and display a label on the right. +// Tip: To have a list filling the entire window width, PushItemWidth(-1) and pass an non-visible label e.g. "##empty" +bool ImGui::ListBoxHeader(const char* label, const ImVec2& size_arg) +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return false; + + const ImGuiStyle& style = g.Style; + const ImGuiID id = GetID(label); + const ImVec2 label_size = CalcTextSize(label, NULL, true); + + // Size default to hold ~7 items. Fractional number of items helps seeing that we can scroll down/up without looking at scrollbar. + ImVec2 size = CalcItemSize(size_arg, CalcItemWidth(), GetTextLineHeightWithSpacing() * 7.4f + style.ItemSpacing.y); + ImVec2 frame_size = ImVec2(size.x, ImMax(size.y, label_size.y)); + ImRect frame_bb(window->DC.CursorPos, window->DC.CursorPos + frame_size); + ImRect bb(frame_bb.Min, frame_bb.Max + ImVec2(label_size.x > 0.0f ? style.ItemInnerSpacing.x + label_size.x : 0.0f, 0.0f)); + window->DC.LastItemRect = bb; // Forward storage for ListBoxFooter.. dodgy. + g.NextItemData.ClearFlags(); + + if (!IsRectVisible(bb.Min, bb.Max)) + { + ItemSize(bb.GetSize(), style.FramePadding.y); + ItemAdd(bb, 0, &frame_bb); + return false; + } + + BeginGroup(); + if (label_size.x > 0) + RenderText(ImVec2(frame_bb.Max.x + style.ItemInnerSpacing.x, frame_bb.Min.y + style.FramePadding.y), label); + + BeginChildFrame(id, frame_bb.GetSize()); + return true; +} + +// FIXME: In principle this function should be called EndListBox(). We should rename it after re-evaluating if we want to keep the same signature. +bool ImGui::ListBoxHeader(const char* label, int items_count, int height_in_items) +{ + // Size default to hold ~7.25 items. + // We add +25% worth of item height to allow the user to see at a glance if there are more items up/down, without looking at the scrollbar. + // We don't add this extra bit if items_count <= height_in_items. It is slightly dodgy, because it means a dynamic list of items will make the widget resize occasionally when it crosses that size. + // I am expecting that someone will come and complain about this behavior in a remote future, then we can advise on a better solution. + if (height_in_items < 0) + height_in_items = ImMin(items_count, 7); + const ImGuiStyle& style = GetStyle(); + float height_in_items_f = (height_in_items < items_count) ? (height_in_items + 0.25f) : (height_in_items + 0.00f); + + // We include ItemSpacing.y so that a list sized for the exact number of items doesn't make a scrollbar appears. We could also enforce that by passing a flag to BeginChild(). + ImVec2 size; + size.x = 0.0f; + size.y = ImFloor(GetTextLineHeightWithSpacing() * height_in_items_f + style.FramePadding.y * 2.0f); + return ListBoxHeader(label, size); +} + +// FIXME: In principle this function should be called EndListBox(). We should rename it after re-evaluating if we want to keep the same signature. +void ImGui::ListBoxFooter() +{ + ImGuiWindow* parent_window = GetCurrentWindow()->ParentWindow; + const ImRect bb = parent_window->DC.LastItemRect; + const ImGuiStyle& style = GetStyle(); + + EndChildFrame(); + + // Redeclare item size so that it includes the label (we have stored the full size in LastItemRect) + // We call SameLine() to restore DC.CurrentLine* data + SameLine(); + parent_window->DC.CursorPos = bb.Min; + ItemSize(bb, style.FramePadding.y); + EndGroup(); +} + +bool ImGui::ListBox(const char* label, int* current_item, const char* const items[], int items_count, int height_items) +{ + const bool value_changed = ListBox(label, current_item, Items_ArrayGetter, (void*)items, items_count, height_items); + return value_changed; +} + +bool ImGui::ListBox(const char* label, int* current_item, bool (*items_getter)(void*, int, const char**), void* data, int items_count, int height_in_items) +{ + if (!ListBoxHeader(label, items_count, height_in_items)) + return false; + + // Assume all items have even height (= 1 line of text). If you need items of different or variable sizes you can create a custom version of ListBox() in your code without using the clipper. + ImGuiContext& g = *GImGui; + bool value_changed = false; + ImGuiListClipper clipper(items_count, GetTextLineHeightWithSpacing()); // We know exactly our line height here so we pass it as a minor optimization, but generally you don't need to. + while (clipper.Step()) + for (int i = clipper.DisplayStart; i < clipper.DisplayEnd; i++) + { + const bool item_selected = (i == *current_item); + const char* item_text; + if (!items_getter(data, i, &item_text)) + item_text = "*Unknown item*"; + + PushID(i); + if (Selectable(item_text, item_selected)) + { + *current_item = i; + value_changed = true; + } + if (item_selected) + SetItemDefaultFocus(); + PopID(); + } + ListBoxFooter(); + if (value_changed) + MarkItemEdited(g.CurrentWindow->DC.LastItemId); + + return value_changed; +} + +//------------------------------------------------------------------------- +// [SECTION] Widgets: PlotLines, PlotHistogram +//------------------------------------------------------------------------- +// - PlotEx() [Internal] +// - PlotLines() +// - PlotHistogram() +//------------------------------------------------------------------------- + +void ImGui::PlotEx(ImGuiPlotType plot_type, const char* label, float (*values_getter)(void* data, int idx), void* data, int values_count, int values_offset, const char* overlay_text, float scale_min, float scale_max, ImVec2 frame_size) +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return; + + ImGuiContext& g = *GImGui; + const ImGuiStyle& style = g.Style; + const ImGuiID id = window->GetID(label); + + const ImVec2 label_size = CalcTextSize(label, NULL, true); + if (frame_size.x == 0.0f) + frame_size.x = CalcItemWidth(); + if (frame_size.y == 0.0f) + frame_size.y = label_size.y + (style.FramePadding.y * 2); + + const ImRect frame_bb(window->DC.CursorPos, window->DC.CursorPos + frame_size); + const ImRect inner_bb(frame_bb.Min + style.FramePadding, frame_bb.Max - style.FramePadding); + const ImRect total_bb(frame_bb.Min, frame_bb.Max + ImVec2(label_size.x > 0.0f ? style.ItemInnerSpacing.x + label_size.x : 0.0f, 0)); + ItemSize(total_bb, style.FramePadding.y); + if (!ItemAdd(total_bb, 0, &frame_bb)) + return; + const bool hovered = ItemHoverable(frame_bb, id); + + // Determine scale from values if not specified + if (scale_min == FLT_MAX || scale_max == FLT_MAX) + { + float v_min = FLT_MAX; + float v_max = -FLT_MAX; + for (int i = 0; i < values_count; i++) + { + const float v = values_getter(data, i); + if (v != v) // Ignore NaN values + continue; + v_min = ImMin(v_min, v); + v_max = ImMax(v_max, v); + } + if (scale_min == FLT_MAX) + scale_min = v_min; + if (scale_max == FLT_MAX) + scale_max = v_max; + } + + RenderFrame(frame_bb.Min, frame_bb.Max, GetColorU32(ImGuiCol_FrameBg), true, style.FrameRounding); + + const int values_count_min = (plot_type == ImGuiPlotType_Lines) ? 2 : 1; + if (values_count >= values_count_min) + { + int res_w = ImMin((int)frame_size.x, values_count) + ((plot_type == ImGuiPlotType_Lines) ? -1 : 0); + int item_count = values_count + ((plot_type == ImGuiPlotType_Lines) ? -1 : 0); + + // Tooltip on hover + int v_hovered = -1; + if (hovered && inner_bb.Contains(g.IO.MousePos)) + { + const float t = ImClamp((g.IO.MousePos.x - inner_bb.Min.x) / (inner_bb.Max.x - inner_bb.Min.x), 0.0f, 0.9999f); + const int v_idx = (int)(t * item_count); + IM_ASSERT(v_idx >= 0 && v_idx < values_count); + + const float v0 = values_getter(data, (v_idx + values_offset) % values_count); + const float v1 = values_getter(data, (v_idx + 1 + values_offset) % values_count); + if (plot_type == ImGuiPlotType_Lines) + SetTooltip("%d: %8.4g\n%d: %8.4g", v_idx, v0, v_idx+1, v1); + else if (plot_type == ImGuiPlotType_Histogram) + SetTooltip("%d: %8.4g", v_idx, v0); + v_hovered = v_idx; + } + + const float t_step = 1.0f / (float)res_w; + const float inv_scale = (scale_min == scale_max) ? 0.0f : (1.0f / (scale_max - scale_min)); + + float v0 = values_getter(data, (0 + values_offset) % values_count); + float t0 = 0.0f; + ImVec2 tp0 = ImVec2( t0, 1.0f - ImSaturate((v0 - scale_min) * inv_scale) ); // Point in the normalized space of our target rectangle + float histogram_zero_line_t = (scale_min * scale_max < 0.0f) ? (-scale_min * inv_scale) : (scale_min < 0.0f ? 0.0f : 1.0f); // Where does the zero line stands + + const ImU32 col_base = GetColorU32((plot_type == ImGuiPlotType_Lines) ? ImGuiCol_PlotLines : ImGuiCol_PlotHistogram); + const ImU32 col_hovered = GetColorU32((plot_type == ImGuiPlotType_Lines) ? ImGuiCol_PlotLinesHovered : ImGuiCol_PlotHistogramHovered); + + for (int n = 0; n < res_w; n++) + { + const float t1 = t0 + t_step; + const int v1_idx = (int)(t0 * item_count + 0.5f); + IM_ASSERT(v1_idx >= 0 && v1_idx < values_count); + const float v1 = values_getter(data, (v1_idx + values_offset + 1) % values_count); + const ImVec2 tp1 = ImVec2( t1, 1.0f - ImSaturate((v1 - scale_min) * inv_scale) ); + + // NB: Draw calls are merged together by the DrawList system. Still, we should render our batch are lower level to save a bit of CPU. + ImVec2 pos0 = ImLerp(inner_bb.Min, inner_bb.Max, tp0); + ImVec2 pos1 = ImLerp(inner_bb.Min, inner_bb.Max, (plot_type == ImGuiPlotType_Lines) ? tp1 : ImVec2(tp1.x, histogram_zero_line_t)); + if (plot_type == ImGuiPlotType_Lines) + { + window->DrawList->AddLine(pos0, pos1, v_hovered == v1_idx ? col_hovered : col_base); + } + else if (plot_type == ImGuiPlotType_Histogram) + { + if (pos1.x >= pos0.x + 2.0f) + pos1.x -= 1.0f; + window->DrawList->AddRectFilled(pos0, pos1, v_hovered == v1_idx ? col_hovered : col_base); + } + + t0 = t1; + tp0 = tp1; + } + } + + // Text overlay + if (overlay_text) + RenderTextClipped(ImVec2(frame_bb.Min.x, frame_bb.Min.y + style.FramePadding.y), frame_bb.Max, overlay_text, NULL, NULL, ImVec2(0.5f,0.0f)); + + if (label_size.x > 0.0f) + RenderText(ImVec2(frame_bb.Max.x + style.ItemInnerSpacing.x, inner_bb.Min.y), label); +} + +struct ImGuiPlotArrayGetterData +{ + const float* Values; + int Stride; + + ImGuiPlotArrayGetterData(const float* values, int stride) { Values = values; Stride = stride; } +}; + +static float Plot_ArrayGetter(void* data, int idx) +{ + ImGuiPlotArrayGetterData* plot_data = (ImGuiPlotArrayGetterData*)data; + const float v = *(const float*)(const void*)((const unsigned char*)plot_data->Values + (size_t)idx * plot_data->Stride); + return v; +} + +void ImGui::PlotLines(const char* label, const float* values, int values_count, int values_offset, const char* overlay_text, float scale_min, float scale_max, ImVec2 graph_size, int stride) +{ + ImGuiPlotArrayGetterData data(values, stride); + PlotEx(ImGuiPlotType_Lines, label, &Plot_ArrayGetter, (void*)&data, values_count, values_offset, overlay_text, scale_min, scale_max, graph_size); +} + +void ImGui::PlotLines(const char* label, float (*values_getter)(void* data, int idx), void* data, int values_count, int values_offset, const char* overlay_text, float scale_min, float scale_max, ImVec2 graph_size) +{ + PlotEx(ImGuiPlotType_Lines, label, values_getter, data, values_count, values_offset, overlay_text, scale_min, scale_max, graph_size); +} + +void ImGui::PlotHistogram(const char* label, const float* values, int values_count, int values_offset, const char* overlay_text, float scale_min, float scale_max, ImVec2 graph_size, int stride) +{ + ImGuiPlotArrayGetterData data(values, stride); + PlotEx(ImGuiPlotType_Histogram, label, &Plot_ArrayGetter, (void*)&data, values_count, values_offset, overlay_text, scale_min, scale_max, graph_size); +} + +void ImGui::PlotHistogram(const char* label, float (*values_getter)(void* data, int idx), void* data, int values_count, int values_offset, const char* overlay_text, float scale_min, float scale_max, ImVec2 graph_size) +{ + PlotEx(ImGuiPlotType_Histogram, label, values_getter, data, values_count, values_offset, overlay_text, scale_min, scale_max, graph_size); +} + +//------------------------------------------------------------------------- +// [SECTION] Widgets: Value helpers +// Those is not very useful, legacy API. +//------------------------------------------------------------------------- +// - Value() +//------------------------------------------------------------------------- + +void ImGui::Value(const char* prefix, bool b) +{ + Text("%s: %s", prefix, (b ? "true" : "false")); +} + +void ImGui::Value(const char* prefix, int v) +{ + Text("%s: %d", prefix, v); +} + +void ImGui::Value(const char* prefix, unsigned int v) +{ + Text("%s: %d", prefix, v); +} + +void ImGui::Value(const char* prefix, float v, const char* float_format) +{ + if (float_format) + { + char fmt[64]; + ImFormatString(fmt, IM_ARRAYSIZE(fmt), "%%s: %s", float_format); + Text(fmt, prefix, v); + } + else + { + Text("%s: %.3f", prefix, v); + } +} + +//------------------------------------------------------------------------- +// [SECTION] MenuItem, BeginMenu, EndMenu, etc. +//------------------------------------------------------------------------- +// - ImGuiMenuColumns [Internal] +// - BeginMenuBar() +// - EndMenuBar() +// - BeginMainMenuBar() +// - EndMainMenuBar() +// - BeginMenu() +// - EndMenu() +// - MenuItem() +//------------------------------------------------------------------------- + +// Helpers for internal use +ImGuiMenuColumns::ImGuiMenuColumns() +{ + Spacing = Width = NextWidth = 0.0f; + memset(Pos, 0, sizeof(Pos)); + memset(NextWidths, 0, sizeof(NextWidths)); +} + +void ImGuiMenuColumns::Update(int count, float spacing, bool clear) +{ + IM_ASSERT(count == IM_ARRAYSIZE(Pos)); + IM_UNUSED(count); + Width = NextWidth = 0.0f; + Spacing = spacing; + if (clear) + memset(NextWidths, 0, sizeof(NextWidths)); + for (int i = 0; i < IM_ARRAYSIZE(Pos); i++) + { + if (i > 0 && NextWidths[i] > 0.0f) + Width += Spacing; + Pos[i] = IM_FLOOR(Width); + Width += NextWidths[i]; + NextWidths[i] = 0.0f; + } +} + +float ImGuiMenuColumns::DeclColumns(float w0, float w1, float w2) // not using va_arg because they promote float to double +{ + NextWidth = 0.0f; + NextWidths[0] = ImMax(NextWidths[0], w0); + NextWidths[1] = ImMax(NextWidths[1], w1); + NextWidths[2] = ImMax(NextWidths[2], w2); + for (int i = 0; i < IM_ARRAYSIZE(Pos); i++) + NextWidth += NextWidths[i] + ((i > 0 && NextWidths[i] > 0.0f) ? Spacing : 0.0f); + return ImMax(Width, NextWidth); +} + +float ImGuiMenuColumns::CalcExtraSpace(float avail_w) const +{ + return ImMax(0.0f, avail_w - Width); +} + +// FIXME: Provided a rectangle perhaps e.g. a BeginMenuBarEx() could be used anywhere.. +// Currently the main responsibility of this function being to setup clip-rect + horizontal layout + menu navigation layer. +// Ideally we also want this to be responsible for claiming space out of the main window scrolling rectangle, in which case ImGuiWindowFlags_MenuBar will become unnecessary. +// Then later the same system could be used for multiple menu-bars, scrollbars, side-bars. +bool ImGui::BeginMenuBar() +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return false; + if (!(window->Flags & ImGuiWindowFlags_MenuBar)) + return false; + + IM_ASSERT(!window->DC.MenuBarAppending); + BeginGroup(); // Backup position on layer 0 // FIXME: Misleading to use a group for that backup/restore + PushID("##menubar"); + + // We don't clip with current window clipping rectangle as it is already set to the area below. However we clip with window full rect. + // We remove 1 worth of rounding to Max.x to that text in long menus and small windows don't tend to display over the lower-right rounded area, which looks particularly glitchy. + ImRect bar_rect = window->MenuBarRect(); + ImRect clip_rect(IM_ROUND(bar_rect.Min.x + window->WindowBorderSize), IM_ROUND(bar_rect.Min.y + window->WindowBorderSize), IM_ROUND(ImMax(bar_rect.Min.x, bar_rect.Max.x - ImMax(window->WindowRounding, window->WindowBorderSize))), IM_ROUND(bar_rect.Max.y)); + clip_rect.ClipWith(window->OuterRectClipped); + PushClipRect(clip_rect.Min, clip_rect.Max, false); + + window->DC.CursorPos = ImVec2(bar_rect.Min.x + window->DC.MenuBarOffset.x, bar_rect.Min.y + window->DC.MenuBarOffset.y); + window->DC.LayoutType = ImGuiLayoutType_Horizontal; + window->DC.NavLayerCurrent = ImGuiNavLayer_Menu; + window->DC.NavLayerCurrentMask = (1 << ImGuiNavLayer_Menu); + window->DC.MenuBarAppending = true; + AlignTextToFramePadding(); + return true; +} + +void ImGui::EndMenuBar() +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return; + ImGuiContext& g = *GImGui; + + // Nav: When a move request within one of our child menu failed, capture the request to navigate among our siblings. + if (NavMoveRequestButNoResultYet() && (g.NavMoveDir == ImGuiDir_Left || g.NavMoveDir == ImGuiDir_Right) && (g.NavWindow->Flags & ImGuiWindowFlags_ChildMenu)) + { + ImGuiWindow* nav_earliest_child = g.NavWindow; + while (nav_earliest_child->ParentWindow && (nav_earliest_child->ParentWindow->Flags & ImGuiWindowFlags_ChildMenu)) + nav_earliest_child = nav_earliest_child->ParentWindow; + if (nav_earliest_child->ParentWindow == window && nav_earliest_child->DC.ParentLayoutType == ImGuiLayoutType_Horizontal && g.NavMoveRequestForward == ImGuiNavForward_None) + { + // To do so we claim focus back, restore NavId and then process the movement request for yet another frame. + // This involve a one-frame delay which isn't very problematic in this situation. We could remove it by scoring in advance for multiple window (probably not worth the hassle/cost) + const ImGuiNavLayer layer = ImGuiNavLayer_Menu; + IM_ASSERT(window->DC.NavLayerActiveMaskNext & (1 << layer)); // Sanity check + FocusWindow(window); + SetNavIDWithRectRel(window->NavLastIds[layer], layer, 0, window->NavRectRel[layer]); + g.NavLayer = layer; + g.NavDisableHighlight = true; // Hide highlight for the current frame so we don't see the intermediary selection. + g.NavMoveRequestForward = ImGuiNavForward_ForwardQueued; + NavMoveRequestCancel(); + } + } + + IM_ASSERT(window->Flags & ImGuiWindowFlags_MenuBar); + IM_ASSERT(window->DC.MenuBarAppending); + PopClipRect(); + PopID(); + window->DC.MenuBarOffset.x = window->DC.CursorPos.x - window->MenuBarRect().Min.x; // Save horizontal position so next append can reuse it. This is kinda equivalent to a per-layer CursorPos. + window->DC.GroupStack.back().EmitItem = false; + EndGroup(); // Restore position on layer 0 + window->DC.LayoutType = ImGuiLayoutType_Vertical; + window->DC.NavLayerCurrent = ImGuiNavLayer_Main; + window->DC.NavLayerCurrentMask = (1 << ImGuiNavLayer_Main); + window->DC.MenuBarAppending = false; +} + +// For the main menu bar, which cannot be moved, we honor g.Style.DisplaySafeAreaPadding to ensure text can be visible on a TV set. +bool ImGui::BeginMainMenuBar() +{ + ImGuiContext& g = *GImGui; + g.NextWindowData.MenuBarOffsetMinVal = ImVec2(g.Style.DisplaySafeAreaPadding.x, ImMax(g.Style.DisplaySafeAreaPadding.y - g.Style.FramePadding.y, 0.0f)); + SetNextWindowPos(ImVec2(0.0f, 0.0f)); + SetNextWindowSize(ImVec2(g.IO.DisplaySize.x, g.NextWindowData.MenuBarOffsetMinVal.y + g.FontBaseSize + g.Style.FramePadding.y)); + PushStyleVar(ImGuiStyleVar_WindowRounding, 0.0f); + PushStyleVar(ImGuiStyleVar_WindowMinSize, ImVec2(0, 0)); + ImGuiWindowFlags window_flags = ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoScrollbar | ImGuiWindowFlags_NoSavedSettings | ImGuiWindowFlags_MenuBar; + bool is_open = Begin("##MainMenuBar", NULL, window_flags) && BeginMenuBar(); + PopStyleVar(2); + g.NextWindowData.MenuBarOffsetMinVal = ImVec2(0.0f, 0.0f); + if (!is_open) + { + End(); + return false; + } + return true; //-V1020 +} + +void ImGui::EndMainMenuBar() +{ + EndMenuBar(); + + // When the user has left the menu layer (typically: closed menus through activation of an item), we restore focus to the previous window + // FIXME: With this strategy we won't be able to restore a NULL focus. + ImGuiContext& g = *GImGui; + if (g.CurrentWindow == g.NavWindow && g.NavLayer == 0 && !g.NavAnyRequest) + FocusTopMostWindowUnderOne(g.NavWindow, NULL); + + End(); +} + +bool ImGui::BeginMenu(const char* label, bool enabled) +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return false; + + ImGuiContext& g = *GImGui; + const ImGuiStyle& style = g.Style; + const ImGuiID id = window->GetID(label); + bool menu_is_open = IsPopupOpen(id); + + // Sub-menus are ChildWindow so that mouse can be hovering across them (otherwise top-most popup menu would steal focus and not allow hovering on parent menu) + ImGuiWindowFlags flags = ImGuiWindowFlags_ChildMenu | ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoSavedSettings | ImGuiWindowFlags_NoNavFocus; + if (window->Flags & (ImGuiWindowFlags_Popup | ImGuiWindowFlags_ChildMenu)) + flags |= ImGuiWindowFlags_ChildWindow; + + // If a menu with same the ID was already submitted, we will append to it, matching the behavior of Begin(). + // We are relying on a O(N) search - so O(N log N) over the frame - which seems like the most efficient for the expected small amount of BeginMenu() calls per frame. + // If somehow this is ever becoming a problem we can switch to use e.g. a ImGuiStorager mapping key to last frame used. + if (g.MenusIdSubmittedThisFrame.contains(id)) + { + if (menu_is_open) + menu_is_open = BeginPopupEx(id, flags); // menu_is_open can be 'false' when the popup is completely clipped (e.g. zero size display) + else + g.NextWindowData.ClearFlags(); // we behave like Begin() and need to consume those values + return menu_is_open; + } + + // Tag menu as used. Next time BeginMenu() with same ID is called it will append to existing menu + g.MenusIdSubmittedThisFrame.push_back(id); + + ImVec2 label_size = CalcTextSize(label, NULL, true); + bool pressed; + bool menuset_is_open = !(window->Flags & ImGuiWindowFlags_Popup) && (g.OpenPopupStack.Size > g.BeginPopupStack.Size && g.OpenPopupStack[g.BeginPopupStack.Size].OpenParentId == window->IDStack.back()); + ImGuiWindow* backed_nav_window = g.NavWindow; + if (menuset_is_open) + g.NavWindow = window; // Odd hack to allow hovering across menus of a same menu-set (otherwise we wouldn't be able to hover parent) + + // The reference position stored in popup_pos will be used by Begin() to find a suitable position for the child menu, + // However the final position is going to be different! It is choosen by FindBestWindowPosForPopup(). + // e.g. Menus tend to overlap each other horizontally to amplify relative Z-ordering. + ImVec2 popup_pos, pos = window->DC.CursorPos; + if (window->DC.LayoutType == ImGuiLayoutType_Horizontal) + { + // Menu inside an horizontal menu bar + // Selectable extend their highlight by half ItemSpacing in each direction. + // For ChildMenu, the popup position will be overwritten by the call to FindBestWindowPosForPopup() in Begin() + popup_pos = ImVec2(pos.x - 1.0f - IM_FLOOR(style.ItemSpacing.x * 0.5f), pos.y - style.FramePadding.y + window->MenuBarHeight()); + window->DC.CursorPos.x += IM_FLOOR(style.ItemSpacing.x * 0.5f); + PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(style.ItemSpacing.x * 2.0f, style.ItemSpacing.y)); + float w = label_size.x; + pressed = Selectable(label, menu_is_open, ImGuiSelectableFlags_NoHoldingActiveID | ImGuiSelectableFlags_SelectOnClick | ImGuiSelectableFlags_DontClosePopups | (!enabled ? ImGuiSelectableFlags_Disabled : 0), ImVec2(w, 0.0f)); + PopStyleVar(); + window->DC.CursorPos.x += IM_FLOOR(style.ItemSpacing.x * (-1.0f + 0.5f)); // -1 spacing to compensate the spacing added when Selectable() did a SameLine(). It would also work to call SameLine() ourselves after the PopStyleVar(). + } + else + { + // Menu inside a menu + popup_pos = ImVec2(pos.x, pos.y - style.WindowPadding.y); + float w = window->DC.MenuColumns.DeclColumns(label_size.x, 0.0f, IM_FLOOR(g.FontSize * 1.20f)); // Feedback to next frame + float extra_w = ImMax(0.0f, GetContentRegionAvail().x - w); + pressed = Selectable(label, menu_is_open, ImGuiSelectableFlags_NoHoldingActiveID | ImGuiSelectableFlags_SelectOnClick | ImGuiSelectableFlags_DontClosePopups | ImGuiSelectableFlags_DrawFillAvailWidth | (!enabled ? ImGuiSelectableFlags_Disabled : 0), ImVec2(w, 0.0f)); + ImU32 text_col = GetColorU32(enabled ? ImGuiCol_Text : ImGuiCol_TextDisabled); + RenderArrow(window->DrawList, pos + ImVec2(window->DC.MenuColumns.Pos[2] + extra_w + g.FontSize * 0.30f, 0.0f), text_col, ImGuiDir_Right); + } + + const bool hovered = enabled && ItemHoverable(window->DC.LastItemRect, id); + if (menuset_is_open) + g.NavWindow = backed_nav_window; + + bool want_open = false; + bool want_close = false; + if (window->DC.LayoutType == ImGuiLayoutType_Vertical) // (window->Flags & (ImGuiWindowFlags_Popup|ImGuiWindowFlags_ChildMenu)) + { + // Close menu when not hovering it anymore unless we are moving roughly in the direction of the menu + // Implement http://bjk5.com/post/44698559168/breaking-down-amazons-mega-dropdown to avoid using timers, so menus feels more reactive. + bool moving_toward_other_child_menu = false; + + ImGuiWindow* child_menu_window = (g.BeginPopupStack.Size < g.OpenPopupStack.Size && g.OpenPopupStack[g.BeginPopupStack.Size].SourceWindow == window) ? g.OpenPopupStack[g.BeginPopupStack.Size].Window : NULL; + if (g.HoveredWindow == window && child_menu_window != NULL && !(window->Flags & ImGuiWindowFlags_MenuBar)) + { + // FIXME-DPI: Values should be derived from a master "scale" factor. + ImRect next_window_rect = child_menu_window->Rect(); + ImVec2 ta = g.IO.MousePos - g.IO.MouseDelta; + ImVec2 tb = (window->Pos.x < child_menu_window->Pos.x) ? next_window_rect.GetTL() : next_window_rect.GetTR(); + ImVec2 tc = (window->Pos.x < child_menu_window->Pos.x) ? next_window_rect.GetBL() : next_window_rect.GetBR(); + float extra = ImClamp(ImFabs(ta.x - tb.x) * 0.30f, 5.0f, 30.0f); // add a bit of extra slack. + ta.x += (window->Pos.x < child_menu_window->Pos.x) ? -0.5f : +0.5f; // to avoid numerical issues + tb.y = ta.y + ImMax((tb.y - extra) - ta.y, -100.0f); // triangle is maximum 200 high to limit the slope and the bias toward large sub-menus // FIXME: Multiply by fb_scale? + tc.y = ta.y + ImMin((tc.y + extra) - ta.y, +100.0f); + moving_toward_other_child_menu = ImTriangleContainsPoint(ta, tb, tc, g.IO.MousePos); + //GetForegroundDrawList()->AddTriangleFilled(ta, tb, tc, moving_within_opened_triangle ? IM_COL32(0,128,0,128) : IM_COL32(128,0,0,128)); // [DEBUG] + } + if (menu_is_open && !hovered && g.HoveredWindow == window && g.HoveredIdPreviousFrame != 0 && g.HoveredIdPreviousFrame != id && !moving_toward_other_child_menu) + want_close = true; + + if (!menu_is_open && hovered && pressed) // Click to open + want_open = true; + else if (!menu_is_open && hovered && !moving_toward_other_child_menu) // Hover to open + want_open = true; + + if (g.NavActivateId == id) + { + want_close = menu_is_open; + want_open = !menu_is_open; + } + if (g.NavId == id && g.NavMoveRequest && g.NavMoveDir == ImGuiDir_Right) // Nav-Right to open + { + want_open = true; + NavMoveRequestCancel(); + } + } + else + { + // Menu bar + if (menu_is_open && pressed && menuset_is_open) // Click an open menu again to close it + { + want_close = true; + want_open = menu_is_open = false; + } + else if (pressed || (hovered && menuset_is_open && !menu_is_open)) // First click to open, then hover to open others + { + want_open = true; + } + else if (g.NavId == id && g.NavMoveRequest && g.NavMoveDir == ImGuiDir_Down) // Nav-Down to open + { + want_open = true; + NavMoveRequestCancel(); + } + } + + if (!enabled) // explicitly close if an open menu becomes disabled, facilitate users code a lot in pattern such as 'if (BeginMenu("options", has_object)) { ..use object.. }' + want_close = true; + if (want_close && IsPopupOpen(id)) + ClosePopupToLevel(g.BeginPopupStack.Size, true); + + IMGUI_TEST_ENGINE_ITEM_INFO(id, label, window->DC.ItemFlags | ImGuiItemStatusFlags_Openable | (menu_is_open ? ImGuiItemStatusFlags_Opened : 0)); + + if (!menu_is_open && want_open && g.OpenPopupStack.Size > g.BeginPopupStack.Size) + { + // Don't recycle same menu level in the same frame, first close the other menu and yield for a frame. + OpenPopup(label); + return false; + } + + menu_is_open |= want_open; + if (want_open) + OpenPopup(label); + + if (menu_is_open) + { + SetNextWindowPos(popup_pos, ImGuiCond_Always); + menu_is_open = BeginPopupEx(id, flags); // menu_is_open can be 'false' when the popup is completely clipped (e.g. zero size display) + } + else + { + g.NextWindowData.ClearFlags(); // We behave like Begin() and need to consume those values + } + + return menu_is_open; +} + +void ImGui::EndMenu() +{ + // Nav: When a left move request _within our child menu_ failed, close ourselves (the _parent_ menu). + // A menu doesn't close itself because EndMenuBar() wants the catch the last Left<>Right inputs. + // However, it means that with the current code, a BeginMenu() from outside another menu or a menu-bar won't be closable with the Left direction. + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + if (g.NavWindow && g.NavWindow->ParentWindow == window && g.NavMoveDir == ImGuiDir_Left && NavMoveRequestButNoResultYet() && window->DC.LayoutType == ImGuiLayoutType_Vertical) + { + ClosePopupToLevel(g.BeginPopupStack.Size, true); + NavMoveRequestCancel(); + } + + EndPopup(); +} + +bool ImGui::MenuItem(const char* label, const char* shortcut, bool selected, bool enabled) +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems) + return false; + + ImGuiContext& g = *GImGui; + ImGuiStyle& style = g.Style; + ImVec2 pos = window->DC.CursorPos; + ImVec2 label_size = CalcTextSize(label, NULL, true); + + // We've been using the equivalent of ImGuiSelectableFlags_SetNavIdOnHover on all Selectable() since early Nav system days (commit 43ee5d73), + // but I am unsure whether this should be kept at all. For now moved it to be an opt-in feature used by menus only. + ImGuiSelectableFlags flags = ImGuiSelectableFlags_SelectOnRelease | ImGuiSelectableFlags_SetNavIdOnHover | (enabled ? 0 : ImGuiSelectableFlags_Disabled); + bool pressed; + if (window->DC.LayoutType == ImGuiLayoutType_Horizontal) + { + // Mimic the exact layout spacing of BeginMenu() to allow MenuItem() inside a menu bar, which is a little misleading but may be useful + // Note that in this situation we render neither the shortcut neither the selected tick mark + float w = label_size.x; + window->DC.CursorPos.x += IM_FLOOR(style.ItemSpacing.x * 0.5f); + PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(style.ItemSpacing.x * 2.0f, style.ItemSpacing.y)); + pressed = Selectable(label, false, flags, ImVec2(w, 0.0f)); + PopStyleVar(); + window->DC.CursorPos.x += IM_FLOOR(style.ItemSpacing.x * (-1.0f + 0.5f)); // -1 spacing to compensate the spacing added when Selectable() did a SameLine(). It would also work to call SameLine() ourselves after the PopStyleVar(). + } + else + { + ImVec2 shortcut_size = shortcut ? CalcTextSize(shortcut, NULL) : ImVec2(0.0f, 0.0f); + float w = window->DC.MenuColumns.DeclColumns(label_size.x, shortcut_size.x, IM_FLOOR(g.FontSize * 1.20f)); // Feedback for next frame + float extra_w = ImMax(0.0f, GetContentRegionAvail().x - w); + pressed = Selectable(label, false, flags | ImGuiSelectableFlags_DrawFillAvailWidth, ImVec2(w, 0.0f)); + if (shortcut_size.x > 0.0f) + { + PushStyleColor(ImGuiCol_Text, g.Style.Colors[ImGuiCol_TextDisabled]); + RenderText(pos + ImVec2(window->DC.MenuColumns.Pos[1] + extra_w, 0.0f), shortcut, NULL, false); + PopStyleColor(); + } + if (selected) + RenderCheckMark(window->DrawList, pos + ImVec2(window->DC.MenuColumns.Pos[2] + extra_w + g.FontSize * 0.40f, g.FontSize * 0.134f * 0.5f), GetColorU32(enabled ? ImGuiCol_Text : ImGuiCol_TextDisabled), g.FontSize * 0.866f); + } + + IMGUI_TEST_ENGINE_ITEM_INFO(window->DC.LastItemId, label, window->DC.ItemFlags | ImGuiItemStatusFlags_Checkable | (selected ? ImGuiItemStatusFlags_Checked : 0)); + return pressed; +} + +bool ImGui::MenuItem(const char* label, const char* shortcut, bool* p_selected, bool enabled) +{ + if (MenuItem(label, shortcut, p_selected ? *p_selected : false, enabled)) + { + if (p_selected) + *p_selected = !*p_selected; + return true; + } + return false; +} + +//------------------------------------------------------------------------- +// [SECTION] Widgets: BeginTabBar, EndTabBar, etc. +//------------------------------------------------------------------------- +// - BeginTabBar() +// - BeginTabBarEx() [Internal] +// - EndTabBar() +// - TabBarLayout() [Internal] +// - TabBarCalcTabID() [Internal] +// - TabBarCalcMaxTabWidth() [Internal] +// - TabBarFindTabById() [Internal] +// - TabBarRemoveTab() [Internal] +// - TabBarCloseTab() [Internal] +// - TabBarScrollClamp()v +// - TabBarScrollToTab() [Internal] +// - TabBarQueueChangeTabOrder() [Internal] +// - TabBarScrollingButtons() [Internal] +// - TabBarTabListPopupButton() [Internal] +//------------------------------------------------------------------------- + +namespace ImGui +{ + static void TabBarLayout(ImGuiTabBar* tab_bar); + static ImU32 TabBarCalcTabID(ImGuiTabBar* tab_bar, const char* label); + static float TabBarCalcMaxTabWidth(); + static float TabBarScrollClamp(ImGuiTabBar* tab_bar, float scrolling); + static void TabBarScrollToTab(ImGuiTabBar* tab_bar, ImGuiTabItem* tab); + static ImGuiTabItem* TabBarScrollingButtons(ImGuiTabBar* tab_bar); + static ImGuiTabItem* TabBarTabListPopupButton(ImGuiTabBar* tab_bar); +} + +ImGuiTabBar::ImGuiTabBar() +{ + ID = 0; + SelectedTabId = NextSelectedTabId = VisibleTabId = 0; + CurrFrameVisible = PrevFrameVisible = -1; + LastTabContentHeight = 0.0f; + OffsetMax = OffsetMaxIdeal = OffsetNextTab = 0.0f; + ScrollingAnim = ScrollingTarget = ScrollingTargetDistToVisibility = ScrollingSpeed = 0.0f; + Flags = ImGuiTabBarFlags_None; + ReorderRequestTabId = 0; + ReorderRequestDir = 0; + WantLayout = VisibleTabWasSubmitted = false; + LastTabItemIdx = -1; +} + +static int IMGUI_CDECL TabItemComparerByVisibleOffset(const void* lhs, const void* rhs) +{ + const ImGuiTabItem* a = (const ImGuiTabItem*)lhs; + const ImGuiTabItem* b = (const ImGuiTabItem*)rhs; + return (int)(a->Offset - b->Offset); +} + +static ImGuiTabBar* GetTabBarFromTabBarRef(const ImGuiPtrOrIndex& ref) +{ + ImGuiContext& g = *GImGui; + return ref.Ptr ? (ImGuiTabBar*)ref.Ptr : g.TabBars.GetByIndex(ref.Index); +} + +static ImGuiPtrOrIndex GetTabBarRefFromTabBar(ImGuiTabBar* tab_bar) +{ + ImGuiContext& g = *GImGui; + if (g.TabBars.Contains(tab_bar)) + return ImGuiPtrOrIndex(g.TabBars.GetIndex(tab_bar)); + return ImGuiPtrOrIndex(tab_bar); +} + +bool ImGui::BeginTabBar(const char* str_id, ImGuiTabBarFlags flags) +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + if (window->SkipItems) + return false; + + ImGuiID id = window->GetID(str_id); + ImGuiTabBar* tab_bar = g.TabBars.GetOrAddByKey(id); + ImRect tab_bar_bb = ImRect(window->DC.CursorPos.x, window->DC.CursorPos.y, window->WorkRect.Max.x, window->DC.CursorPos.y + g.FontSize + g.Style.FramePadding.y * 2); + tab_bar->ID = id; + return BeginTabBarEx(tab_bar, tab_bar_bb, flags | ImGuiTabBarFlags_IsFocused); +} + +bool ImGui::BeginTabBarEx(ImGuiTabBar* tab_bar, const ImRect& tab_bar_bb, ImGuiTabBarFlags flags) +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + if (window->SkipItems) + return false; + + if ((flags & ImGuiTabBarFlags_DockNode) == 0) + PushOverrideID(tab_bar->ID); + + // Add to stack + g.CurrentTabBarStack.push_back(GetTabBarRefFromTabBar(tab_bar)); + g.CurrentTabBar = tab_bar; + + if (tab_bar->CurrFrameVisible == g.FrameCount) + { + //IMGUI_DEBUG_LOG("BeginTabBarEx already called this frame\n", g.FrameCount); + IM_ASSERT(0); + return true; + } + + // When toggling back from ordered to manually-reorderable, shuffle tabs to enforce the last visible order. + // Otherwise, the most recently inserted tabs would move at the end of visible list which can be a little too confusing or magic for the user. + if ((flags & ImGuiTabBarFlags_Reorderable) && !(tab_bar->Flags & ImGuiTabBarFlags_Reorderable) && tab_bar->Tabs.Size > 1 && tab_bar->PrevFrameVisible != -1) + ImQsort(tab_bar->Tabs.Data, tab_bar->Tabs.Size, sizeof(ImGuiTabItem), TabItemComparerByVisibleOffset); + + // Flags + if ((flags & ImGuiTabBarFlags_FittingPolicyMask_) == 0) + flags |= ImGuiTabBarFlags_FittingPolicyDefault_; + + tab_bar->Flags = flags; + tab_bar->BarRect = tab_bar_bb; + tab_bar->WantLayout = true; // Layout will be done on the first call to ItemTab() + tab_bar->PrevFrameVisible = tab_bar->CurrFrameVisible; + tab_bar->CurrFrameVisible = g.FrameCount; + tab_bar->FramePadding = g.Style.FramePadding; + + // Layout + ItemSize(ImVec2(tab_bar->OffsetMaxIdeal, tab_bar->BarRect.GetHeight()), tab_bar->FramePadding.y); + window->DC.CursorPos.x = tab_bar->BarRect.Min.x; + + // Draw separator + const ImU32 col = GetColorU32((flags & ImGuiTabBarFlags_IsFocused) ? ImGuiCol_TabActive : ImGuiCol_TabUnfocusedActive); + const float y = tab_bar->BarRect.Max.y - 1.0f; + { + const float separator_min_x = tab_bar->BarRect.Min.x - IM_FLOOR(window->WindowPadding.x * 0.5f); + const float separator_max_x = tab_bar->BarRect.Max.x + IM_FLOOR(window->WindowPadding.x * 0.5f); + window->DrawList->AddLine(ImVec2(separator_min_x, y), ImVec2(separator_max_x, y), col, 1.0f); + } + return true; +} + +void ImGui::EndTabBar() +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + if (window->SkipItems) + return; + + ImGuiTabBar* tab_bar = g.CurrentTabBar; + if (tab_bar == NULL) + { + IM_ASSERT_USER_ERROR(tab_bar != NULL, "Mismatched BeginTabBar()/EndTabBar()!"); + return; + } + if (tab_bar->WantLayout) + TabBarLayout(tab_bar); + + // Restore the last visible height if no tab is visible, this reduce vertical flicker/movement when a tabs gets removed without calling SetTabItemClosed(). + const bool tab_bar_appearing = (tab_bar->PrevFrameVisible + 1 < g.FrameCount); + if (tab_bar->VisibleTabWasSubmitted || tab_bar->VisibleTabId == 0 || tab_bar_appearing) + tab_bar->LastTabContentHeight = ImMax(window->DC.CursorPos.y - tab_bar->BarRect.Max.y, 0.0f); + else + window->DC.CursorPos.y = tab_bar->BarRect.Max.y + tab_bar->LastTabContentHeight; + + if ((tab_bar->Flags & ImGuiTabBarFlags_DockNode) == 0) + PopID(); + + g.CurrentTabBarStack.pop_back(); + g.CurrentTabBar = g.CurrentTabBarStack.empty() ? NULL : GetTabBarFromTabBarRef(g.CurrentTabBarStack.back()); +} + +// This is called only once a frame before by the first call to ItemTab() +// The reason we're not calling it in BeginTabBar() is to leave a chance to the user to call the SetTabItemClosed() functions. +static void ImGui::TabBarLayout(ImGuiTabBar* tab_bar) +{ + ImGuiContext& g = *GImGui; + tab_bar->WantLayout = false; + + // Garbage collect + int tab_dst_n = 0; + for (int tab_src_n = 0; tab_src_n < tab_bar->Tabs.Size; tab_src_n++) + { + ImGuiTabItem* tab = &tab_bar->Tabs[tab_src_n]; + if (tab->LastFrameVisible < tab_bar->PrevFrameVisible) + { + if (tab->ID == tab_bar->SelectedTabId) + tab_bar->SelectedTabId = 0; + continue; + } + if (tab_dst_n != tab_src_n) + tab_bar->Tabs[tab_dst_n] = tab_bar->Tabs[tab_src_n]; + tab_dst_n++; + } + if (tab_bar->Tabs.Size != tab_dst_n) + tab_bar->Tabs.resize(tab_dst_n); + + // Setup next selected tab + ImGuiID scroll_track_selected_tab_id = 0; + if (tab_bar->NextSelectedTabId) + { + tab_bar->SelectedTabId = tab_bar->NextSelectedTabId; + tab_bar->NextSelectedTabId = 0; + scroll_track_selected_tab_id = tab_bar->SelectedTabId; + } + + // Process order change request (we could probably process it when requested but it's just saner to do it in a single spot). + if (tab_bar->ReorderRequestTabId != 0) + { + if (ImGuiTabItem* tab1 = TabBarFindTabByID(tab_bar, tab_bar->ReorderRequestTabId)) + { + //IM_ASSERT(tab_bar->Flags & ImGuiTabBarFlags_Reorderable); // <- this may happen when using debug tools + int tab2_order = tab_bar->GetTabOrder(tab1) + tab_bar->ReorderRequestDir; + if (tab2_order >= 0 && tab2_order < tab_bar->Tabs.Size) + { + ImGuiTabItem* tab2 = &tab_bar->Tabs[tab2_order]; + ImGuiTabItem item_tmp = *tab1; + *tab1 = *tab2; + *tab2 = item_tmp; + if (tab2->ID == tab_bar->SelectedTabId) + scroll_track_selected_tab_id = tab2->ID; + tab1 = tab2 = NULL; + } + if (tab_bar->Flags & ImGuiTabBarFlags_SaveSettings) + MarkIniSettingsDirty(); + } + tab_bar->ReorderRequestTabId = 0; + } + + // Tab List Popup (will alter tab_bar->BarRect and therefore the available width!) + const bool tab_list_popup_button = (tab_bar->Flags & ImGuiTabBarFlags_TabListPopupButton) != 0; + if (tab_list_popup_button) + if (ImGuiTabItem* tab_to_select = TabBarTabListPopupButton(tab_bar)) // NB: Will alter BarRect.Max.x! + scroll_track_selected_tab_id = tab_bar->SelectedTabId = tab_to_select->ID; + + // Compute ideal widths + g.ShrinkWidthBuffer.resize(tab_bar->Tabs.Size); + float width_total_contents = 0.0f; + ImGuiTabItem* most_recently_selected_tab = NULL; + bool found_selected_tab_id = false; + for (int tab_n = 0; tab_n < tab_bar->Tabs.Size; tab_n++) + { + ImGuiTabItem* tab = &tab_bar->Tabs[tab_n]; + IM_ASSERT(tab->LastFrameVisible >= tab_bar->PrevFrameVisible); + + if (most_recently_selected_tab == NULL || most_recently_selected_tab->LastFrameSelected < tab->LastFrameSelected) + most_recently_selected_tab = tab; + if (tab->ID == tab_bar->SelectedTabId) + found_selected_tab_id = true; + + // Refresh tab width immediately, otherwise changes of style e.g. style.FramePadding.x would noticeably lag in the tab bar. + // Additionally, when using TabBarAddTab() to manipulate tab bar order we occasionally insert new tabs that don't have a width yet, + // and we cannot wait for the next BeginTabItem() call. We cannot compute this width within TabBarAddTab() because font size depends on the active window. + const char* tab_name = tab_bar->GetTabName(tab); + const bool has_close_button = (tab->Flags & ImGuiTabItemFlags_NoCloseButton) ? false : true; + tab->ContentWidth = TabItemCalcSize(tab_name, has_close_button).x; + + width_total_contents += (tab_n > 0 ? g.Style.ItemInnerSpacing.x : 0.0f) + tab->ContentWidth; + + // Store data so we can build an array sorted by width if we need to shrink tabs down + g.ShrinkWidthBuffer[tab_n].Index = tab_n; + g.ShrinkWidthBuffer[tab_n].Width = tab->ContentWidth; + } + + // Compute width + const float initial_offset_x = 0.0f; // g.Style.ItemInnerSpacing.x; + const float width_avail = ImMax(tab_bar->BarRect.GetWidth() - initial_offset_x, 0.0f); + float width_excess = (width_avail < width_total_contents) ? (width_total_contents - width_avail) : 0.0f; + if (width_excess > 0.0f && (tab_bar->Flags & ImGuiTabBarFlags_FittingPolicyResizeDown)) + { + // If we don't have enough room, resize down the largest tabs first + ShrinkWidths(g.ShrinkWidthBuffer.Data, g.ShrinkWidthBuffer.Size, width_excess); + for (int tab_n = 0; tab_n < tab_bar->Tabs.Size; tab_n++) + tab_bar->Tabs[g.ShrinkWidthBuffer[tab_n].Index].Width = IM_FLOOR(g.ShrinkWidthBuffer[tab_n].Width); + } + else + { + const float tab_max_width = TabBarCalcMaxTabWidth(); + for (int tab_n = 0; tab_n < tab_bar->Tabs.Size; tab_n++) + { + ImGuiTabItem* tab = &tab_bar->Tabs[tab_n]; + tab->Width = ImMin(tab->ContentWidth, tab_max_width); + IM_ASSERT(tab->Width > 0.0f); + } + } + + // Layout all active tabs + float offset_x = initial_offset_x; + float offset_x_ideal = offset_x; + tab_bar->OffsetNextTab = offset_x; // This is used by non-reorderable tab bar where the submission order is always honored. + for (int tab_n = 0; tab_n < tab_bar->Tabs.Size; tab_n++) + { + ImGuiTabItem* tab = &tab_bar->Tabs[tab_n]; + tab->Offset = offset_x; + if (scroll_track_selected_tab_id == 0 && g.NavJustMovedToId == tab->ID) + scroll_track_selected_tab_id = tab->ID; + offset_x += tab->Width + g.Style.ItemInnerSpacing.x; + offset_x_ideal += tab->ContentWidth + g.Style.ItemInnerSpacing.x; + } + tab_bar->OffsetMax = ImMax(offset_x - g.Style.ItemInnerSpacing.x, 0.0f); + tab_bar->OffsetMaxIdeal = ImMax(offset_x_ideal - g.Style.ItemInnerSpacing.x, 0.0f); + + // Horizontal scrolling buttons + const bool scrolling_buttons = (tab_bar->OffsetMax > tab_bar->BarRect.GetWidth() && tab_bar->Tabs.Size > 1) && !(tab_bar->Flags & ImGuiTabBarFlags_NoTabListScrollingButtons) && (tab_bar->Flags & ImGuiTabBarFlags_FittingPolicyScroll); + if (scrolling_buttons) + if (ImGuiTabItem* tab_to_select = TabBarScrollingButtons(tab_bar)) // NB: Will alter BarRect.Max.x! + scroll_track_selected_tab_id = tab_bar->SelectedTabId = tab_to_select->ID; + + // If we have lost the selected tab, select the next most recently active one + if (found_selected_tab_id == false) + tab_bar->SelectedTabId = 0; + if (tab_bar->SelectedTabId == 0 && tab_bar->NextSelectedTabId == 0 && most_recently_selected_tab != NULL) + scroll_track_selected_tab_id = tab_bar->SelectedTabId = most_recently_selected_tab->ID; + + // Lock in visible tab + tab_bar->VisibleTabId = tab_bar->SelectedTabId; + tab_bar->VisibleTabWasSubmitted = false; + + // Update scrolling + if (scroll_track_selected_tab_id) + if (ImGuiTabItem* scroll_track_selected_tab = TabBarFindTabByID(tab_bar, scroll_track_selected_tab_id)) + TabBarScrollToTab(tab_bar, scroll_track_selected_tab); + tab_bar->ScrollingAnim = TabBarScrollClamp(tab_bar, tab_bar->ScrollingAnim); + tab_bar->ScrollingTarget = TabBarScrollClamp(tab_bar, tab_bar->ScrollingTarget); + if (tab_bar->ScrollingAnim != tab_bar->ScrollingTarget) + { + // Scrolling speed adjust itself so we can always reach our target in 1/3 seconds. + // Teleport if we are aiming far off the visible line + tab_bar->ScrollingSpeed = ImMax(tab_bar->ScrollingSpeed, 70.0f * g.FontSize); + tab_bar->ScrollingSpeed = ImMax(tab_bar->ScrollingSpeed, ImFabs(tab_bar->ScrollingTarget - tab_bar->ScrollingAnim) / 0.3f); + const bool teleport = (tab_bar->PrevFrameVisible + 1 < g.FrameCount) || (tab_bar->ScrollingTargetDistToVisibility > 10.0f * g.FontSize); + tab_bar->ScrollingAnim = teleport ? tab_bar->ScrollingTarget : ImLinearSweep(tab_bar->ScrollingAnim, tab_bar->ScrollingTarget, g.IO.DeltaTime * tab_bar->ScrollingSpeed); + } + else + { + tab_bar->ScrollingSpeed = 0.0f; + } + + // Clear name buffers + if ((tab_bar->Flags & ImGuiTabBarFlags_DockNode) == 0) + tab_bar->TabsNames.Buf.resize(0); +} + +// Dockables uses Name/ID in the global namespace. Non-dockable items use the ID stack. +static ImU32 ImGui::TabBarCalcTabID(ImGuiTabBar* tab_bar, const char* label) +{ + if (tab_bar->Flags & ImGuiTabBarFlags_DockNode) + { + ImGuiID id = ImHashStr(label); + KeepAliveID(id); + return id; + } + else + { + ImGuiWindow* window = GImGui->CurrentWindow; + return window->GetID(label); + } +} + +static float ImGui::TabBarCalcMaxTabWidth() +{ + ImGuiContext& g = *GImGui; + return g.FontSize * 20.0f; +} + +ImGuiTabItem* ImGui::TabBarFindTabByID(ImGuiTabBar* tab_bar, ImGuiID tab_id) +{ + if (tab_id != 0) + for (int n = 0; n < tab_bar->Tabs.Size; n++) + if (tab_bar->Tabs[n].ID == tab_id) + return &tab_bar->Tabs[n]; + return NULL; +} + +// The *TabId fields be already set by the docking system _before_ the actual TabItem was created, so we clear them regardless. +void ImGui::TabBarRemoveTab(ImGuiTabBar* tab_bar, ImGuiID tab_id) +{ + if (ImGuiTabItem* tab = TabBarFindTabByID(tab_bar, tab_id)) + tab_bar->Tabs.erase(tab); + if (tab_bar->VisibleTabId == tab_id) { tab_bar->VisibleTabId = 0; } + if (tab_bar->SelectedTabId == tab_id) { tab_bar->SelectedTabId = 0; } + if (tab_bar->NextSelectedTabId == tab_id) { tab_bar->NextSelectedTabId = 0; } +} + +// Called on manual closure attempt +void ImGui::TabBarCloseTab(ImGuiTabBar* tab_bar, ImGuiTabItem* tab) +{ + if ((tab_bar->VisibleTabId == tab->ID) && !(tab->Flags & ImGuiTabItemFlags_UnsavedDocument)) + { + // This will remove a frame of lag for selecting another tab on closure. + // However we don't run it in the case where the 'Unsaved' flag is set, so user gets a chance to fully undo the closure + tab->LastFrameVisible = -1; + tab_bar->SelectedTabId = tab_bar->NextSelectedTabId = 0; + } + else if ((tab_bar->VisibleTabId != tab->ID) && (tab->Flags & ImGuiTabItemFlags_UnsavedDocument)) + { + // Actually select before expecting closure + tab_bar->NextSelectedTabId = tab->ID; + } +} + +static float ImGui::TabBarScrollClamp(ImGuiTabBar* tab_bar, float scrolling) +{ + scrolling = ImMin(scrolling, tab_bar->OffsetMax - tab_bar->BarRect.GetWidth()); + return ImMax(scrolling, 0.0f); +} + +static void ImGui::TabBarScrollToTab(ImGuiTabBar* tab_bar, ImGuiTabItem* tab) +{ + ImGuiContext& g = *GImGui; + float margin = g.FontSize * 1.0f; // When to scroll to make Tab N+1 visible always make a bit of N visible to suggest more scrolling area (since we don't have a scrollbar) + int order = tab_bar->GetTabOrder(tab); + float tab_x1 = tab->Offset + (order > 0 ? -margin : 0.0f); + float tab_x2 = tab->Offset + tab->Width + (order + 1 < tab_bar->Tabs.Size ? margin : 1.0f); + tab_bar->ScrollingTargetDistToVisibility = 0.0f; + if (tab_bar->ScrollingTarget > tab_x1 || (tab_x2 - tab_x1 >= tab_bar->BarRect.GetWidth())) + { + tab_bar->ScrollingTargetDistToVisibility = ImMax(tab_bar->ScrollingAnim - tab_x2, 0.0f); + tab_bar->ScrollingTarget = tab_x1; + } + else if (tab_bar->ScrollingTarget < tab_x2 - tab_bar->BarRect.GetWidth()) + { + tab_bar->ScrollingTargetDistToVisibility = ImMax((tab_x1 - tab_bar->BarRect.GetWidth()) - tab_bar->ScrollingAnim, 0.0f); + tab_bar->ScrollingTarget = tab_x2 - tab_bar->BarRect.GetWidth(); + } +} + +void ImGui::TabBarQueueChangeTabOrder(ImGuiTabBar* tab_bar, const ImGuiTabItem* tab, int dir) +{ + IM_ASSERT(dir == -1 || dir == +1); + IM_ASSERT(tab_bar->ReorderRequestTabId == 0); + tab_bar->ReorderRequestTabId = tab->ID; + tab_bar->ReorderRequestDir = (ImS8)dir; +} + +static ImGuiTabItem* ImGui::TabBarScrollingButtons(ImGuiTabBar* tab_bar) +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + + const ImVec2 arrow_button_size(g.FontSize - 2.0f, g.FontSize + g.Style.FramePadding.y * 2.0f); + const float scrolling_buttons_width = arrow_button_size.x * 2.0f; + + const ImVec2 backup_cursor_pos = window->DC.CursorPos; + //window->DrawList->AddRect(ImVec2(tab_bar->BarRect.Max.x - scrolling_buttons_width, tab_bar->BarRect.Min.y), ImVec2(tab_bar->BarRect.Max.x, tab_bar->BarRect.Max.y), IM_COL32(255,0,0,255)); + + const ImRect avail_bar_rect = tab_bar->BarRect; + bool want_clip_rect = !avail_bar_rect.Contains(ImRect(window->DC.CursorPos, window->DC.CursorPos + ImVec2(scrolling_buttons_width, 0.0f))); + if (want_clip_rect) + PushClipRect(tab_bar->BarRect.Min, tab_bar->BarRect.Max + ImVec2(g.Style.ItemInnerSpacing.x, 0.0f), true); + + ImGuiTabItem* tab_to_select = NULL; + + int select_dir = 0; + ImVec4 arrow_col = g.Style.Colors[ImGuiCol_Text]; + arrow_col.w *= 0.5f; + + PushStyleColor(ImGuiCol_Text, arrow_col); + PushStyleColor(ImGuiCol_Button, ImVec4(0, 0, 0, 0)); + const float backup_repeat_delay = g.IO.KeyRepeatDelay; + const float backup_repeat_rate = g.IO.KeyRepeatRate; + g.IO.KeyRepeatDelay = 0.250f; + g.IO.KeyRepeatRate = 0.200f; + window->DC.CursorPos = ImVec2(tab_bar->BarRect.Max.x - scrolling_buttons_width, tab_bar->BarRect.Min.y); + if (ArrowButtonEx("##<", ImGuiDir_Left, arrow_button_size, ImGuiButtonFlags_PressedOnClick | ImGuiButtonFlags_Repeat)) + select_dir = -1; + window->DC.CursorPos = ImVec2(tab_bar->BarRect.Max.x - scrolling_buttons_width + arrow_button_size.x, tab_bar->BarRect.Min.y); + if (ArrowButtonEx("##>", ImGuiDir_Right, arrow_button_size, ImGuiButtonFlags_PressedOnClick | ImGuiButtonFlags_Repeat)) + select_dir = +1; + PopStyleColor(2); + g.IO.KeyRepeatRate = backup_repeat_rate; + g.IO.KeyRepeatDelay = backup_repeat_delay; + + if (want_clip_rect) + PopClipRect(); + + if (select_dir != 0) + if (ImGuiTabItem* tab_item = TabBarFindTabByID(tab_bar, tab_bar->SelectedTabId)) + { + int selected_order = tab_bar->GetTabOrder(tab_item); + int target_order = selected_order + select_dir; + tab_to_select = &tab_bar->Tabs[(target_order >= 0 && target_order < tab_bar->Tabs.Size) ? target_order : selected_order]; // If we are at the end of the list, still scroll to make our tab visible + } + window->DC.CursorPos = backup_cursor_pos; + tab_bar->BarRect.Max.x -= scrolling_buttons_width + 1.0f; + + return tab_to_select; +} + +static ImGuiTabItem* ImGui::TabBarTabListPopupButton(ImGuiTabBar* tab_bar) +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + + // We use g.Style.FramePadding.y to match the square ArrowButton size + const float tab_list_popup_button_width = g.FontSize + g.Style.FramePadding.y; + const ImVec2 backup_cursor_pos = window->DC.CursorPos; + window->DC.CursorPos = ImVec2(tab_bar->BarRect.Min.x - g.Style.FramePadding.y, tab_bar->BarRect.Min.y); + tab_bar->BarRect.Min.x += tab_list_popup_button_width; + + ImVec4 arrow_col = g.Style.Colors[ImGuiCol_Text]; + arrow_col.w *= 0.5f; + PushStyleColor(ImGuiCol_Text, arrow_col); + PushStyleColor(ImGuiCol_Button, ImVec4(0, 0, 0, 0)); + bool open = BeginCombo("##v", NULL, ImGuiComboFlags_NoPreview); + PopStyleColor(2); + + ImGuiTabItem* tab_to_select = NULL; + if (open) + { + for (int tab_n = 0; tab_n < tab_bar->Tabs.Size; tab_n++) + { + ImGuiTabItem* tab = &tab_bar->Tabs[tab_n]; + const char* tab_name = tab_bar->GetTabName(tab); + if (Selectable(tab_name, tab_bar->SelectedTabId == tab->ID)) + tab_to_select = tab; + } + EndCombo(); + } + + window->DC.CursorPos = backup_cursor_pos; + return tab_to_select; +} + +//------------------------------------------------------------------------- +// [SECTION] Widgets: BeginTabItem, EndTabItem, etc. +//------------------------------------------------------------------------- +// - BeginTabItem() +// - EndTabItem() +// - TabItemEx() [Internal] +// - SetTabItemClosed() +// - TabItemCalcSize() [Internal] +// - TabItemBackground() [Internal] +// - TabItemLabelAndCloseButton() [Internal] +//------------------------------------------------------------------------- + +bool ImGui::BeginTabItem(const char* label, bool* p_open, ImGuiTabItemFlags flags) +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + if (window->SkipItems) + return false; + + ImGuiTabBar* tab_bar = g.CurrentTabBar; + if (tab_bar == NULL) + { + IM_ASSERT_USER_ERROR(tab_bar, "BeginTabItem() Needs to be called between BeginTabBar() and EndTabBar()!"); + return false; + } + bool ret = TabItemEx(tab_bar, label, p_open, flags); + if (ret && !(flags & ImGuiTabItemFlags_NoPushId)) + { + ImGuiTabItem* tab = &tab_bar->Tabs[tab_bar->LastTabItemIdx]; + PushOverrideID(tab->ID); // We already hashed 'label' so push into the ID stack directly instead of doing another hash through PushID(label) + } + return ret; +} + +void ImGui::EndTabItem() +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + if (window->SkipItems) + return; + + ImGuiTabBar* tab_bar = g.CurrentTabBar; + if (tab_bar == NULL) + { + IM_ASSERT(tab_bar != NULL && "Needs to be called between BeginTabBar() and EndTabBar()!"); + return; + } + IM_ASSERT(tab_bar->LastTabItemIdx >= 0); + ImGuiTabItem* tab = &tab_bar->Tabs[tab_bar->LastTabItemIdx]; + if (!(tab->Flags & ImGuiTabItemFlags_NoPushId)) + window->IDStack.pop_back(); +} + +bool ImGui::TabItemEx(ImGuiTabBar* tab_bar, const char* label, bool* p_open, ImGuiTabItemFlags flags) +{ + // Layout whole tab bar if not already done + if (tab_bar->WantLayout) + TabBarLayout(tab_bar); + + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + if (window->SkipItems) + return false; + + const ImGuiStyle& style = g.Style; + const ImGuiID id = TabBarCalcTabID(tab_bar, label); + + // If the user called us with *p_open == false, we early out and don't render. We make a dummy call to ItemAdd() so that attempts to use a contextual popup menu with an implicit ID won't use an older ID. + if (p_open && !*p_open) + { + PushItemFlag(ImGuiItemFlags_NoNav | ImGuiItemFlags_NoNavDefaultFocus, true); + ItemAdd(ImRect(), id); + PopItemFlag(); + return false; + } + + // Store into ImGuiTabItemFlags_NoCloseButton, also honor ImGuiTabItemFlags_NoCloseButton passed by user (although not documented) + if (flags & ImGuiTabItemFlags_NoCloseButton) + p_open = NULL; + else if (p_open == NULL) + flags |= ImGuiTabItemFlags_NoCloseButton; + + // Calculate tab contents size + ImVec2 size = TabItemCalcSize(label, p_open != NULL); + + // Acquire tab data + ImGuiTabItem* tab = TabBarFindTabByID(tab_bar, id); + bool tab_is_new = false; + if (tab == NULL) + { + tab_bar->Tabs.push_back(ImGuiTabItem()); + tab = &tab_bar->Tabs.back(); + tab->ID = id; + tab->Width = size.x; + tab_is_new = true; + } + tab_bar->LastTabItemIdx = (short)tab_bar->Tabs.index_from_ptr(tab); + tab->ContentWidth = size.x; + + const bool tab_bar_appearing = (tab_bar->PrevFrameVisible + 1 < g.FrameCount); + const bool tab_bar_focused = (tab_bar->Flags & ImGuiTabBarFlags_IsFocused) != 0; + const bool tab_appearing = (tab->LastFrameVisible + 1 < g.FrameCount); + tab->LastFrameVisible = g.FrameCount; + tab->Flags = flags; + + // Append name with zero-terminator + tab->NameOffset = tab_bar->TabsNames.size(); + tab_bar->TabsNames.append(label, label + strlen(label) + 1); + + // If we are not reorderable, always reset offset based on submission order. + // (We already handled layout and sizing using the previous known order, but sizing is not affected by order!) + if (!tab_appearing && !(tab_bar->Flags & ImGuiTabBarFlags_Reorderable)) + { + tab->Offset = tab_bar->OffsetNextTab; + tab_bar->OffsetNextTab += tab->Width + g.Style.ItemInnerSpacing.x; + } + + // Update selected tab + if (tab_appearing && (tab_bar->Flags & ImGuiTabBarFlags_AutoSelectNewTabs) && tab_bar->NextSelectedTabId == 0) + if (!tab_bar_appearing || tab_bar->SelectedTabId == 0) + tab_bar->NextSelectedTabId = id; // New tabs gets activated + if ((flags & ImGuiTabItemFlags_SetSelected) && (tab_bar->SelectedTabId != id)) // SetSelected can only be passed on explicit tab bar + tab_bar->NextSelectedTabId = id; + + // Lock visibility + bool tab_contents_visible = (tab_bar->VisibleTabId == id); + if (tab_contents_visible) + tab_bar->VisibleTabWasSubmitted = true; + + // On the very first frame of a tab bar we let first tab contents be visible to minimize appearing glitches + if (!tab_contents_visible && tab_bar->SelectedTabId == 0 && tab_bar_appearing) + if (tab_bar->Tabs.Size == 1 && !(tab_bar->Flags & ImGuiTabBarFlags_AutoSelectNewTabs)) + tab_contents_visible = true; + + if (tab_appearing && !(tab_bar_appearing && !tab_is_new)) + { + PushItemFlag(ImGuiItemFlags_NoNav | ImGuiItemFlags_NoNavDefaultFocus, true); + ItemAdd(ImRect(), id); + PopItemFlag(); + return tab_contents_visible; + } + + if (tab_bar->SelectedTabId == id) + tab->LastFrameSelected = g.FrameCount; + + // Backup current layout position + const ImVec2 backup_main_cursor_pos = window->DC.CursorPos; + + // Layout + size.x = tab->Width; + window->DC.CursorPos = tab_bar->BarRect.Min + ImVec2(IM_FLOOR(tab->Offset - tab_bar->ScrollingAnim), 0.0f); + ImVec2 pos = window->DC.CursorPos; + ImRect bb(pos, pos + size); + + // We don't have CPU clipping primitives to clip the CloseButton (until it becomes a texture), so need to add an extra draw call (temporary in the case of vertical animation) + bool want_clip_rect = (bb.Min.x < tab_bar->BarRect.Min.x) || (bb.Max.x > tab_bar->BarRect.Max.x); + if (want_clip_rect) + PushClipRect(ImVec2(ImMax(bb.Min.x, tab_bar->BarRect.Min.x), bb.Min.y - 1), ImVec2(tab_bar->BarRect.Max.x, bb.Max.y), true); + + ImVec2 backup_cursor_max_pos = window->DC.CursorMaxPos; + ItemSize(bb.GetSize(), style.FramePadding.y); + window->DC.CursorMaxPos = backup_cursor_max_pos; + + if (!ItemAdd(bb, id)) + { + if (want_clip_rect) + PopClipRect(); + window->DC.CursorPos = backup_main_cursor_pos; + return tab_contents_visible; + } + + // Click to Select a tab + ImGuiButtonFlags button_flags = (ImGuiButtonFlags_PressedOnClick | ImGuiButtonFlags_AllowItemOverlap); + if (g.DragDropActive) + button_flags |= ImGuiButtonFlags_PressedOnDragDropHold; + bool hovered, held; + bool pressed = ButtonBehavior(bb, id, &hovered, &held, button_flags); + if (pressed) + tab_bar->NextSelectedTabId = id; + hovered |= (g.HoveredId == id); + + // Allow the close button to overlap unless we are dragging (in which case we don't want any overlapping tabs to be hovered) + if (!held) + SetItemAllowOverlap(); + + // Drag and drop: re-order tabs + if (held && !tab_appearing && IsMouseDragging(0)) + { + if (!g.DragDropActive && (tab_bar->Flags & ImGuiTabBarFlags_Reorderable)) + { + // While moving a tab it will jump on the other side of the mouse, so we also test for MouseDelta.x + if (g.IO.MouseDelta.x < 0.0f && g.IO.MousePos.x < bb.Min.x) + { + if (tab_bar->Flags & ImGuiTabBarFlags_Reorderable) + TabBarQueueChangeTabOrder(tab_bar, tab, -1); + } + else if (g.IO.MouseDelta.x > 0.0f && g.IO.MousePos.x > bb.Max.x) + { + if (tab_bar->Flags & ImGuiTabBarFlags_Reorderable) + TabBarQueueChangeTabOrder(tab_bar, tab, +1); + } + } + } + +#if 0 + if (hovered && g.HoveredIdNotActiveTimer > 0.50f && bb.GetWidth() < tab->ContentWidth) + { + // Enlarge tab display when hovering + bb.Max.x = bb.Min.x + IM_FLOOR(ImLerp(bb.GetWidth(), tab->ContentWidth, ImSaturate((g.HoveredIdNotActiveTimer - 0.40f) * 6.0f))); + display_draw_list = GetForegroundDrawList(window); + TabItemBackground(display_draw_list, bb, flags, GetColorU32(ImGuiCol_TitleBgActive)); + } +#endif + + // Render tab shape + ImDrawList* display_draw_list = window->DrawList; + const ImU32 tab_col = GetColorU32((held || hovered) ? ImGuiCol_TabHovered : tab_contents_visible ? (tab_bar_focused ? ImGuiCol_TabActive : ImGuiCol_TabUnfocusedActive) : (tab_bar_focused ? ImGuiCol_Tab : ImGuiCol_TabUnfocused)); + TabItemBackground(display_draw_list, bb, flags, tab_col); + RenderNavHighlight(bb, id); + + // Select with right mouse button. This is so the common idiom for context menu automatically highlight the current widget. + const bool hovered_unblocked = IsItemHovered(ImGuiHoveredFlags_AllowWhenBlockedByPopup); + if (hovered_unblocked && (IsMouseClicked(1) || IsMouseReleased(1))) + tab_bar->NextSelectedTabId = id; + + if (tab_bar->Flags & ImGuiTabBarFlags_NoCloseWithMiddleMouseButton) + flags |= ImGuiTabItemFlags_NoCloseWithMiddleMouseButton; + + // Render tab label, process close button + const ImGuiID close_button_id = p_open ? window->GetID((void*)((intptr_t)id + 1)) : 0; + bool just_closed = TabItemLabelAndCloseButton(display_draw_list, bb, flags, tab_bar->FramePadding, label, id, close_button_id); + if (just_closed && p_open != NULL) + { + *p_open = false; + TabBarCloseTab(tab_bar, tab); + } + + // Restore main window position so user can draw there + if (want_clip_rect) + PopClipRect(); + window->DC.CursorPos = backup_main_cursor_pos; + + // Tooltip (FIXME: Won't work over the close button because ItemOverlap systems messes up with HoveredIdTimer) + // We test IsItemHovered() to discard e.g. when another item is active or drag and drop over the tab bar (which g.HoveredId ignores) + if (g.HoveredId == id && !held && g.HoveredIdNotActiveTimer > 0.50f && IsItemHovered()) + if (!(tab_bar->Flags & ImGuiTabBarFlags_NoTooltip)) + SetTooltip("%.*s", (int)(FindRenderedTextEnd(label) - label), label); + + return tab_contents_visible; +} + +// [Public] This is call is 100% optional but it allows to remove some one-frame glitches when a tab has been unexpectedly removed. +// To use it to need to call the function SetTabItemClosed() after BeginTabBar() and before any call to BeginTabItem() +void ImGui::SetTabItemClosed(const char* label) +{ + ImGuiContext& g = *GImGui; + bool is_within_manual_tab_bar = g.CurrentTabBar && !(g.CurrentTabBar->Flags & ImGuiTabBarFlags_DockNode); + if (is_within_manual_tab_bar) + { + ImGuiTabBar* tab_bar = g.CurrentTabBar; + IM_ASSERT(tab_bar->WantLayout); // Needs to be called AFTER BeginTabBar() and BEFORE the first call to BeginTabItem() + ImGuiID tab_id = TabBarCalcTabID(tab_bar, label); + TabBarRemoveTab(tab_bar, tab_id); + } +} + +ImVec2 ImGui::TabItemCalcSize(const char* label, bool has_close_button) +{ + ImGuiContext& g = *GImGui; + ImVec2 label_size = CalcTextSize(label, NULL, true); + ImVec2 size = ImVec2(label_size.x + g.Style.FramePadding.x, label_size.y + g.Style.FramePadding.y * 2.0f); + if (has_close_button) + size.x += g.Style.FramePadding.x + (g.Style.ItemInnerSpacing.x + g.FontSize); // We use Y intentionally to fit the close button circle. + else + size.x += g.Style.FramePadding.x + 1.0f; + return ImVec2(ImMin(size.x, TabBarCalcMaxTabWidth()), size.y); +} + +void ImGui::TabItemBackground(ImDrawList* draw_list, const ImRect& bb, ImGuiTabItemFlags flags, ImU32 col) +{ + // While rendering tabs, we trim 1 pixel off the top of our bounding box so they can fit within a regular frame height while looking "detached" from it. + ImGuiContext& g = *GImGui; + const float width = bb.GetWidth(); + IM_UNUSED(flags); + IM_ASSERT(width > 0.0f); + const float rounding = ImMax(0.0f, ImMin(g.Style.TabRounding, width * 0.5f - 1.0f)); + const float y1 = bb.Min.y + 1.0f; + const float y2 = bb.Max.y - 1.0f; + draw_list->PathLineTo(ImVec2(bb.Min.x, y2)); + draw_list->PathArcToFast(ImVec2(bb.Min.x + rounding, y1 + rounding), rounding, 6, 9); + draw_list->PathArcToFast(ImVec2(bb.Max.x - rounding, y1 + rounding), rounding, 9, 12); + draw_list->PathLineTo(ImVec2(bb.Max.x, y2)); + draw_list->PathFillConvex(col); + if (g.Style.TabBorderSize > 0.0f) + { + draw_list->PathLineTo(ImVec2(bb.Min.x + 0.5f, y2)); + draw_list->PathArcToFast(ImVec2(bb.Min.x + rounding + 0.5f, y1 + rounding + 0.5f), rounding, 6, 9); + draw_list->PathArcToFast(ImVec2(bb.Max.x - rounding - 0.5f, y1 + rounding + 0.5f), rounding, 9, 12); + draw_list->PathLineTo(ImVec2(bb.Max.x - 0.5f, y2)); + draw_list->PathStroke(GetColorU32(ImGuiCol_Border), false, g.Style.TabBorderSize); + } +} + +// Render text label (with custom clipping) + Unsaved Document marker + Close Button logic +// We tend to lock style.FramePadding for a given tab-bar, hence the 'frame_padding' parameter. +bool ImGui::TabItemLabelAndCloseButton(ImDrawList* draw_list, const ImRect& bb, ImGuiTabItemFlags flags, ImVec2 frame_padding, const char* label, ImGuiID tab_id, ImGuiID close_button_id) +{ + ImGuiContext& g = *GImGui; + ImVec2 label_size = CalcTextSize(label, NULL, true); + if (bb.GetWidth() <= 1.0f) + return false; + + // Render text label (with clipping + alpha gradient) + unsaved marker + const char* TAB_UNSAVED_MARKER = "*"; + ImRect text_pixel_clip_bb(bb.Min.x + frame_padding.x, bb.Min.y + frame_padding.y, bb.Max.x - frame_padding.x, bb.Max.y); + if (flags & ImGuiTabItemFlags_UnsavedDocument) + { + text_pixel_clip_bb.Max.x -= CalcTextSize(TAB_UNSAVED_MARKER, NULL, false).x; + ImVec2 unsaved_marker_pos(ImMin(bb.Min.x + frame_padding.x + label_size.x + 2, text_pixel_clip_bb.Max.x), bb.Min.y + frame_padding.y + IM_FLOOR(-g.FontSize * 0.25f)); + RenderTextClippedEx(draw_list, unsaved_marker_pos, bb.Max - frame_padding, TAB_UNSAVED_MARKER, NULL, NULL); + } + ImRect text_ellipsis_clip_bb = text_pixel_clip_bb; + + // Close Button + // We are relying on a subtle and confusing distinction between 'hovered' and 'g.HoveredId' which happens because we are using ImGuiButtonFlags_AllowOverlapMode + SetItemAllowOverlap() + // 'hovered' will be true when hovering the Tab but NOT when hovering the close button + // 'g.HoveredId==id' will be true when hovering the Tab including when hovering the close button + // 'g.ActiveId==close_button_id' will be true when we are holding on the close button, in which case both hovered booleans are false + bool close_button_pressed = false; + bool close_button_visible = false; + if (close_button_id != 0) + if (g.HoveredId == tab_id || g.HoveredId == close_button_id || g.ActiveId == close_button_id) + close_button_visible = true; + if (close_button_visible) + { + ImGuiItemHoveredDataBackup last_item_backup; + const float close_button_sz = g.FontSize; + PushStyleVar(ImGuiStyleVar_FramePadding, frame_padding); + if (CloseButton(close_button_id, ImVec2(bb.Max.x - frame_padding.x * 2.0f - close_button_sz, bb.Min.y))) + close_button_pressed = true; + PopStyleVar(); + last_item_backup.Restore(); + + // Close with middle mouse button + if (!(flags & ImGuiTabItemFlags_NoCloseWithMiddleMouseButton) && IsMouseClicked(2)) + close_button_pressed = true; + + text_pixel_clip_bb.Max.x -= close_button_sz; + } + + float ellipsis_max_x = close_button_visible ? text_pixel_clip_bb.Max.x : bb.Max.x - 1.0f; + RenderTextEllipsis(draw_list, text_ellipsis_clip_bb.Min, text_ellipsis_clip_bb.Max, text_pixel_clip_bb.Max.x, ellipsis_max_x, label, NULL, &label_size); + + return close_button_pressed; +} + + +//------------------------------------------------------------------------- +// [SECTION] Widgets: Columns, BeginColumns, EndColumns, etc. +// In the current version, Columns are very weak. Needs to be replaced with a more full-featured system. +//------------------------------------------------------------------------- +// - GetColumnIndex() +// - GetColumnCount() +// - GetColumnOffset() +// - GetColumnWidth() +// - SetColumnOffset() +// - SetColumnWidth() +// - PushColumnClipRect() [Internal] +// - PushColumnsBackground() [Internal] +// - PopColumnsBackground() [Internal] +// - FindOrCreateColumns() [Internal] +// - GetColumnsID() [Internal] +// - BeginColumns() +// - NextColumn() +// - EndColumns() +// - Columns() +//------------------------------------------------------------------------- + +int ImGui::GetColumnIndex() +{ + ImGuiWindow* window = GetCurrentWindowRead(); + return window->DC.CurrentColumns ? window->DC.CurrentColumns->Current : 0; +} + +int ImGui::GetColumnsCount() +{ + ImGuiWindow* window = GetCurrentWindowRead(); + return window->DC.CurrentColumns ? window->DC.CurrentColumns->Count : 1; +} + +float ImGui::GetColumnOffsetFromNorm(const ImGuiColumns* columns, float offset_norm) +{ + return offset_norm * (columns->OffMaxX - columns->OffMinX); +} + +float ImGui::GetColumnNormFromOffset(const ImGuiColumns* columns, float offset) +{ + return offset / (columns->OffMaxX - columns->OffMinX); +} + +static const float COLUMNS_HIT_RECT_HALF_WIDTH = 4.0f; + +static float GetDraggedColumnOffset(ImGuiColumns* columns, int column_index) +{ + // Active (dragged) column always follow mouse. The reason we need this is that dragging a column to the right edge of an auto-resizing + // window creates a feedback loop because we store normalized positions. So while dragging we enforce absolute positioning. + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + IM_ASSERT(column_index > 0); // We are not supposed to drag column 0. + IM_ASSERT(g.ActiveId == columns->ID + ImGuiID(column_index)); + + float x = g.IO.MousePos.x - g.ActiveIdClickOffset.x + COLUMNS_HIT_RECT_HALF_WIDTH - window->Pos.x; + x = ImMax(x, ImGui::GetColumnOffset(column_index - 1) + g.Style.ColumnsMinSpacing); + if ((columns->Flags & ImGuiColumnsFlags_NoPreserveWidths)) + x = ImMin(x, ImGui::GetColumnOffset(column_index + 1) - g.Style.ColumnsMinSpacing); + + return x; +} + +float ImGui::GetColumnOffset(int column_index) +{ + ImGuiWindow* window = GetCurrentWindowRead(); + ImGuiColumns* columns = window->DC.CurrentColumns; + if (columns == NULL) + return 0.0f; + + if (column_index < 0) + column_index = columns->Current; + IM_ASSERT(column_index < columns->Columns.Size); + + const float t = columns->Columns[column_index].OffsetNorm; + const float x_offset = ImLerp(columns->OffMinX, columns->OffMaxX, t); + return x_offset; +} + +static float GetColumnWidthEx(ImGuiColumns* columns, int column_index, bool before_resize = false) +{ + if (column_index < 0) + column_index = columns->Current; + + float offset_norm; + if (before_resize) + offset_norm = columns->Columns[column_index + 1].OffsetNormBeforeResize - columns->Columns[column_index].OffsetNormBeforeResize; + else + offset_norm = columns->Columns[column_index + 1].OffsetNorm - columns->Columns[column_index].OffsetNorm; + return ImGui::GetColumnOffsetFromNorm(columns, offset_norm); +} + +float ImGui::GetColumnWidth(int column_index) +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + ImGuiColumns* columns = window->DC.CurrentColumns; + if (columns == NULL) + return GetContentRegionAvail().x; + + if (column_index < 0) + column_index = columns->Current; + return GetColumnOffsetFromNorm(columns, columns->Columns[column_index + 1].OffsetNorm - columns->Columns[column_index].OffsetNorm); +} + +void ImGui::SetColumnOffset(int column_index, float offset) +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = g.CurrentWindow; + ImGuiColumns* columns = window->DC.CurrentColumns; + IM_ASSERT(columns != NULL); + + if (column_index < 0) + column_index = columns->Current; + IM_ASSERT(column_index < columns->Columns.Size); + + const bool preserve_width = !(columns->Flags & ImGuiColumnsFlags_NoPreserveWidths) && (column_index < columns->Count-1); + const float width = preserve_width ? GetColumnWidthEx(columns, column_index, columns->IsBeingResized) : 0.0f; + + if (!(columns->Flags & ImGuiColumnsFlags_NoForceWithinWindow)) + offset = ImMin(offset, columns->OffMaxX - g.Style.ColumnsMinSpacing * (columns->Count - column_index)); + columns->Columns[column_index].OffsetNorm = GetColumnNormFromOffset(columns, offset - columns->OffMinX); + + if (preserve_width) + SetColumnOffset(column_index + 1, offset + ImMax(g.Style.ColumnsMinSpacing, width)); +} + +void ImGui::SetColumnWidth(int column_index, float width) +{ + ImGuiWindow* window = GetCurrentWindowRead(); + ImGuiColumns* columns = window->DC.CurrentColumns; + IM_ASSERT(columns != NULL); + + if (column_index < 0) + column_index = columns->Current; + SetColumnOffset(column_index + 1, GetColumnOffset(column_index) + width); +} + +void ImGui::PushColumnClipRect(int column_index) +{ + ImGuiWindow* window = GetCurrentWindowRead(); + ImGuiColumns* columns = window->DC.CurrentColumns; + if (column_index < 0) + column_index = columns->Current; + + ImGuiColumnData* column = &columns->Columns[column_index]; + PushClipRect(column->ClipRect.Min, column->ClipRect.Max, false); +} + +// Get into the columns background draw command (which is generally the same draw command as before we called BeginColumns) +void ImGui::PushColumnsBackground() +{ + ImGuiWindow* window = GetCurrentWindowRead(); + ImGuiColumns* columns = window->DC.CurrentColumns; + if (columns->Count == 1) + return; + columns->Splitter.SetCurrentChannel(window->DrawList, 0); + int cmd_size = window->DrawList->CmdBuffer.Size; + PushClipRect(columns->HostClipRect.Min, columns->HostClipRect.Max, false); + IM_UNUSED(cmd_size); + IM_ASSERT(cmd_size == window->DrawList->CmdBuffer.Size); // Being in channel 0 this should not have created an ImDrawCmd +} + +void ImGui::PopColumnsBackground() +{ + ImGuiWindow* window = GetCurrentWindowRead(); + ImGuiColumns* columns = window->DC.CurrentColumns; + if (columns->Count == 1) + return; + columns->Splitter.SetCurrentChannel(window->DrawList, columns->Current + 1); + PopClipRect(); +} + +ImGuiColumns* ImGui::FindOrCreateColumns(ImGuiWindow* window, ImGuiID id) +{ + // We have few columns per window so for now we don't need bother much with turning this into a faster lookup. + for (int n = 0; n < window->ColumnsStorage.Size; n++) + if (window->ColumnsStorage[n].ID == id) + return &window->ColumnsStorage[n]; + + window->ColumnsStorage.push_back(ImGuiColumns()); + ImGuiColumns* columns = &window->ColumnsStorage.back(); + columns->ID = id; + return columns; +} + +ImGuiID ImGui::GetColumnsID(const char* str_id, int columns_count) +{ + ImGuiWindow* window = GetCurrentWindow(); + + // Differentiate column ID with an arbitrary prefix for cases where users name their columns set the same as another widget. + // In addition, when an identifier isn't explicitly provided we include the number of columns in the hash to make it uniquer. + PushID(0x11223347 + (str_id ? 0 : columns_count)); + ImGuiID id = window->GetID(str_id ? str_id : "columns"); + PopID(); + + return id; +} + +void ImGui::BeginColumns(const char* str_id, int columns_count, ImGuiColumnsFlags flags) +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = GetCurrentWindow(); + + IM_ASSERT(columns_count >= 1 && columns_count <= 64); // Maximum 64 columns + IM_ASSERT(window->DC.CurrentColumns == NULL); // Nested columns are currently not supported + + // Acquire storage for the columns set + ImGuiID id = GetColumnsID(str_id, columns_count); + ImGuiColumns* columns = FindOrCreateColumns(window, id); + IM_ASSERT(columns->ID == id); + columns->Current = 0; + columns->Count = columns_count; + columns->Flags = flags; + window->DC.CurrentColumns = columns; + + columns->HostCursorPosY = window->DC.CursorPos.y; + columns->HostCursorMaxPosX = window->DC.CursorMaxPos.x; + columns->HostClipRect = window->ClipRect; + columns->HostWorkRect = window->WorkRect; + + // Set state for first column + // We aim so that the right-most column will have the same clipping width as other after being clipped by parent ClipRect + const float column_padding = g.Style.ItemSpacing.x; + const float half_clip_extend_x = ImFloor(ImMax(window->WindowPadding.x * 0.5f, window->WindowBorderSize)); + const float max_1 = window->WorkRect.Max.x + column_padding - ImMax(column_padding - window->WindowPadding.x, 0.0f); + const float max_2 = window->WorkRect.Max.x + half_clip_extend_x; + columns->OffMinX = window->DC.Indent.x - column_padding + ImMax(column_padding - window->WindowPadding.x, 0.0f); + columns->OffMaxX = ImMax(ImMin(max_1, max_2) - window->Pos.x, columns->OffMinX + 1.0f); + columns->LineMinY = columns->LineMaxY = window->DC.CursorPos.y; + + // Clear data if columns count changed + if (columns->Columns.Size != 0 && columns->Columns.Size != columns_count + 1) + columns->Columns.resize(0); + + // Initialize default widths + columns->IsFirstFrame = (columns->Columns.Size == 0); + if (columns->Columns.Size == 0) + { + columns->Columns.reserve(columns_count + 1); + for (int n = 0; n < columns_count + 1; n++) + { + ImGuiColumnData column; + column.OffsetNorm = n / (float)columns_count; + columns->Columns.push_back(column); + } + } + + for (int n = 0; n < columns_count; n++) + { + // Compute clipping rectangle + ImGuiColumnData* column = &columns->Columns[n]; + float clip_x1 = IM_ROUND(window->Pos.x + GetColumnOffset(n)); + float clip_x2 = IM_ROUND(window->Pos.x + GetColumnOffset(n + 1) - 1.0f); + column->ClipRect = ImRect(clip_x1, -FLT_MAX, clip_x2, +FLT_MAX); + column->ClipRect.ClipWith(window->ClipRect); + } + + if (columns->Count > 1) + { + columns->Splitter.Split(window->DrawList, 1 + columns->Count); + columns->Splitter.SetCurrentChannel(window->DrawList, 1); + PushColumnClipRect(0); + } + + // We don't generally store Indent.x inside ColumnsOffset because it may be manipulated by the user. + float offset_0 = GetColumnOffset(columns->Current); + float offset_1 = GetColumnOffset(columns->Current + 1); + float width = offset_1 - offset_0; + PushItemWidth(width * 0.65f); + window->DC.ColumnsOffset.x = ImMax(column_padding - window->WindowPadding.x, 0.0f); + window->DC.CursorPos.x = IM_FLOOR(window->Pos.x + window->DC.Indent.x + window->DC.ColumnsOffset.x); + window->WorkRect.Max.x = window->Pos.x + offset_1 - column_padding; +} + +void ImGui::NextColumn() +{ + ImGuiWindow* window = GetCurrentWindow(); + if (window->SkipItems || window->DC.CurrentColumns == NULL) + return; + + ImGuiContext& g = *GImGui; + ImGuiColumns* columns = window->DC.CurrentColumns; + + if (columns->Count == 1) + { + window->DC.CursorPos.x = IM_FLOOR(window->Pos.x + window->DC.Indent.x + window->DC.ColumnsOffset.x); + IM_ASSERT(columns->Current == 0); + return; + } + PopItemWidth(); + PopClipRect(); + + const float column_padding = g.Style.ItemSpacing.x; + columns->LineMaxY = ImMax(columns->LineMaxY, window->DC.CursorPos.y); + if (++columns->Current < columns->Count) + { + // Columns 1+ ignore IndentX (by canceling it out) + // FIXME-COLUMNS: Unnecessary, could be locked? + window->DC.ColumnsOffset.x = GetColumnOffset(columns->Current) - window->DC.Indent.x + column_padding; + columns->Splitter.SetCurrentChannel(window->DrawList, columns->Current + 1); + } + else + { + // New row/line + // Column 0 honor IndentX + window->DC.ColumnsOffset.x = ImMax(column_padding - window->WindowPadding.x, 0.0f); + columns->Splitter.SetCurrentChannel(window->DrawList, 1); + columns->Current = 0; + columns->LineMinY = columns->LineMaxY; + } + window->DC.CursorPos.x = IM_FLOOR(window->Pos.x + window->DC.Indent.x + window->DC.ColumnsOffset.x); + window->DC.CursorPos.y = columns->LineMinY; + window->DC.CurrLineSize = ImVec2(0.0f, 0.0f); + window->DC.CurrLineTextBaseOffset = 0.0f; + + PushColumnClipRect(columns->Current); // FIXME-COLUMNS: Could it be an overwrite? + + // FIXME-COLUMNS: Share code with BeginColumns() - move code on columns setup. + float offset_0 = GetColumnOffset(columns->Current); + float offset_1 = GetColumnOffset(columns->Current + 1); + float width = offset_1 - offset_0; + PushItemWidth(width * 0.65f); + window->WorkRect.Max.x = window->Pos.x + offset_1 - column_padding; +} + +void ImGui::EndColumns() +{ + ImGuiContext& g = *GImGui; + ImGuiWindow* window = GetCurrentWindow(); + ImGuiColumns* columns = window->DC.CurrentColumns; + IM_ASSERT(columns != NULL); + + PopItemWidth(); + if (columns->Count > 1) + { + PopClipRect(); + columns->Splitter.Merge(window->DrawList); + } + + const ImGuiColumnsFlags flags = columns->Flags; + columns->LineMaxY = ImMax(columns->LineMaxY, window->DC.CursorPos.y); + window->DC.CursorPos.y = columns->LineMaxY; + if (!(flags & ImGuiColumnsFlags_GrowParentContentsSize)) + window->DC.CursorMaxPos.x = columns->HostCursorMaxPosX; // Restore cursor max pos, as columns don't grow parent + + // Draw columns borders and handle resize + // The IsBeingResized flag ensure we preserve pre-resize columns width so back-and-forth are not lossy + bool is_being_resized = false; + if (!(flags & ImGuiColumnsFlags_NoBorder) && !window->SkipItems) + { + // We clip Y boundaries CPU side because very long triangles are mishandled by some GPU drivers. + const float y1 = ImMax(columns->HostCursorPosY, window->ClipRect.Min.y); + const float y2 = ImMin(window->DC.CursorPos.y, window->ClipRect.Max.y); + int dragging_column = -1; + for (int n = 1; n < columns->Count; n++) + { + ImGuiColumnData* column = &columns->Columns[n]; + float x = window->Pos.x + GetColumnOffset(n); + const ImGuiID column_id = columns->ID + ImGuiID(n); + const float column_hit_hw = COLUMNS_HIT_RECT_HALF_WIDTH; + const ImRect column_hit_rect(ImVec2(x - column_hit_hw, y1), ImVec2(x + column_hit_hw, y2)); + KeepAliveID(column_id); + if (IsClippedEx(column_hit_rect, column_id, false)) + continue; + + bool hovered = false, held = false; + if (!(flags & ImGuiColumnsFlags_NoResize)) + { + ButtonBehavior(column_hit_rect, column_id, &hovered, &held); + if (hovered || held) + g.MouseCursor = ImGuiMouseCursor_ResizeEW; + if (held && !(column->Flags & ImGuiColumnsFlags_NoResize)) + dragging_column = n; + } + + // Draw column + const ImU32 col = GetColorU32(held ? ImGuiCol_SeparatorActive : hovered ? ImGuiCol_SeparatorHovered : ImGuiCol_Separator); + const float xi = IM_FLOOR(x); + window->DrawList->AddLine(ImVec2(xi, y1 + 1.0f), ImVec2(xi, y2), col); + } + + // Apply dragging after drawing the column lines, so our rendered lines are in sync with how items were displayed during the frame. + if (dragging_column != -1) + { + if (!columns->IsBeingResized) + for (int n = 0; n < columns->Count + 1; n++) + columns->Columns[n].OffsetNormBeforeResize = columns->Columns[n].OffsetNorm; + columns->IsBeingResized = is_being_resized = true; + float x = GetDraggedColumnOffset(columns, dragging_column); + SetColumnOffset(dragging_column, x); + } + } + columns->IsBeingResized = is_being_resized; + + window->WorkRect = columns->HostWorkRect; + window->DC.CurrentColumns = NULL; + window->DC.ColumnsOffset.x = 0.0f; + window->DC.CursorPos.x = IM_FLOOR(window->Pos.x + window->DC.Indent.x + window->DC.ColumnsOffset.x); +} + +// [2018-03: This is currently the only public API, while we are working on making BeginColumns/EndColumns user-facing] +void ImGui::Columns(int columns_count, const char* id, bool border) +{ + ImGuiWindow* window = GetCurrentWindow(); + IM_ASSERT(columns_count >= 1); + + ImGuiColumnsFlags flags = (border ? 0 : ImGuiColumnsFlags_NoBorder); + //flags |= ImGuiColumnsFlags_NoPreserveWidths; // NB: Legacy behavior + ImGuiColumns* columns = window->DC.CurrentColumns; + if (columns != NULL && columns->Count == columns_count && columns->Flags == flags) + return; + + if (columns != NULL) + EndColumns(); + + if (columns_count != 1) + BeginColumns(id, columns_count, flags); +} + +//------------------------------------------------------------------------- + +#endif // #ifndef IMGUI_DISABLE diff --git a/imgui-submodule/imgui/imstb_rectpack.h b/imgui-submodule/imgui/imstb_rectpack.h new file mode 100644 index 0000000..ff2a85d --- /dev/null +++ b/imgui-submodule/imgui/imstb_rectpack.h @@ -0,0 +1,639 @@ +// [DEAR IMGUI] +// This is a slightly modified version of stb_rect_pack.h 1.00. +// Those changes would need to be pushed into nothings/stb: +// - Added STBRP__CDECL +// Grep for [DEAR IMGUI] to find the changes. + +// stb_rect_pack.h - v1.00 - public domain - rectangle packing +// Sean Barrett 2014 +// +// Useful for e.g. packing rectangular textures into an atlas. +// Does not do rotation. +// +// Not necessarily the awesomest packing method, but better than +// the totally naive one in stb_truetype (which is primarily what +// this is meant to replace). +// +// Has only had a few tests run, may have issues. +// +// More docs to come. +// +// No memory allocations; uses qsort() and assert() from stdlib. +// Can override those by defining STBRP_SORT and STBRP_ASSERT. +// +// This library currently uses the Skyline Bottom-Left algorithm. +// +// Please note: better rectangle packers are welcome! Please +// implement them to the same API, but with a different init +// function. +// +// Credits +// +// Library +// Sean Barrett +// Minor features +// Martins Mozeiko +// github:IntellectualKitty +// +// Bugfixes / warning fixes +// Jeremy Jaussaud +// Fabian Giesen +// +// Version history: +// +// 1.00 (2019-02-25) avoid small space waste; gracefully fail too-wide rectangles +// 0.99 (2019-02-07) warning fixes +// 0.11 (2017-03-03) return packing success/fail result +// 0.10 (2016-10-25) remove cast-away-const to avoid warnings +// 0.09 (2016-08-27) fix compiler warnings +// 0.08 (2015-09-13) really fix bug with empty rects (w=0 or h=0) +// 0.07 (2015-09-13) fix bug with empty rects (w=0 or h=0) +// 0.06 (2015-04-15) added STBRP_SORT to allow replacing qsort +// 0.05: added STBRP_ASSERT to allow replacing assert +// 0.04: fixed minor bug in STBRP_LARGE_RECTS support +// 0.01: initial release +// +// LICENSE +// +// See end of file for license information. + +////////////////////////////////////////////////////////////////////////////// +// +// INCLUDE SECTION +// + +#ifndef STB_INCLUDE_STB_RECT_PACK_H +#define STB_INCLUDE_STB_RECT_PACK_H + +#define STB_RECT_PACK_VERSION 1 + +#ifdef STBRP_STATIC +#define STBRP_DEF static +#else +#define STBRP_DEF extern +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +typedef struct stbrp_context stbrp_context; +typedef struct stbrp_node stbrp_node; +typedef struct stbrp_rect stbrp_rect; + +#ifdef STBRP_LARGE_RECTS +typedef int stbrp_coord; +#else +typedef unsigned short stbrp_coord; +#endif + +STBRP_DEF int stbrp_pack_rects (stbrp_context *context, stbrp_rect *rects, int num_rects); +// Assign packed locations to rectangles. The rectangles are of type +// 'stbrp_rect' defined below, stored in the array 'rects', and there +// are 'num_rects' many of them. +// +// Rectangles which are successfully packed have the 'was_packed' flag +// set to a non-zero value and 'x' and 'y' store the minimum location +// on each axis (i.e. bottom-left in cartesian coordinates, top-left +// if you imagine y increasing downwards). Rectangles which do not fit +// have the 'was_packed' flag set to 0. +// +// You should not try to access the 'rects' array from another thread +// while this function is running, as the function temporarily reorders +// the array while it executes. +// +// To pack into another rectangle, you need to call stbrp_init_target +// again. To continue packing into the same rectangle, you can call +// this function again. Calling this multiple times with multiple rect +// arrays will probably produce worse packing results than calling it +// a single time with the full rectangle array, but the option is +// available. +// +// The function returns 1 if all of the rectangles were successfully +// packed and 0 otherwise. + +struct stbrp_rect +{ + // reserved for your use: + int id; + + // input: + stbrp_coord w, h; + + // output: + stbrp_coord x, y; + int was_packed; // non-zero if valid packing + +}; // 16 bytes, nominally + + +STBRP_DEF void stbrp_init_target (stbrp_context *context, int width, int height, stbrp_node *nodes, int num_nodes); +// Initialize a rectangle packer to: +// pack a rectangle that is 'width' by 'height' in dimensions +// using temporary storage provided by the array 'nodes', which is 'num_nodes' long +// +// You must call this function every time you start packing into a new target. +// +// There is no "shutdown" function. The 'nodes' memory must stay valid for +// the following stbrp_pack_rects() call (or calls), but can be freed after +// the call (or calls) finish. +// +// Note: to guarantee best results, either: +// 1. make sure 'num_nodes' >= 'width' +// or 2. call stbrp_allow_out_of_mem() defined below with 'allow_out_of_mem = 1' +// +// If you don't do either of the above things, widths will be quantized to multiples +// of small integers to guarantee the algorithm doesn't run out of temporary storage. +// +// If you do #2, then the non-quantized algorithm will be used, but the algorithm +// may run out of temporary storage and be unable to pack some rectangles. + +STBRP_DEF void stbrp_setup_allow_out_of_mem (stbrp_context *context, int allow_out_of_mem); +// Optionally call this function after init but before doing any packing to +// change the handling of the out-of-temp-memory scenario, described above. +// If you call init again, this will be reset to the default (false). + + +STBRP_DEF void stbrp_setup_heuristic (stbrp_context *context, int heuristic); +// Optionally select which packing heuristic the library should use. Different +// heuristics will produce better/worse results for different data sets. +// If you call init again, this will be reset to the default. + +enum +{ + STBRP_HEURISTIC_Skyline_default=0, + STBRP_HEURISTIC_Skyline_BL_sortHeight = STBRP_HEURISTIC_Skyline_default, + STBRP_HEURISTIC_Skyline_BF_sortHeight +}; + + +////////////////////////////////////////////////////////////////////////////// +// +// the details of the following structures don't matter to you, but they must +// be visible so you can handle the memory allocations for them + +struct stbrp_node +{ + stbrp_coord x,y; + stbrp_node *next; +}; + +struct stbrp_context +{ + int width; + int height; + int align; + int init_mode; + int heuristic; + int num_nodes; + stbrp_node *active_head; + stbrp_node *free_head; + stbrp_node extra[2]; // we allocate two extra nodes so optimal user-node-count is 'width' not 'width+2' +}; + +#ifdef __cplusplus +} +#endif + +#endif + +////////////////////////////////////////////////////////////////////////////// +// +// IMPLEMENTATION SECTION +// + +#ifdef STB_RECT_PACK_IMPLEMENTATION +#ifndef STBRP_SORT +#include +#define STBRP_SORT qsort +#endif + +#ifndef STBRP_ASSERT +#include +#define STBRP_ASSERT assert +#endif + +// [DEAR IMGUI] Added STBRP__CDECL +#ifdef _MSC_VER +#define STBRP__NOTUSED(v) (void)(v) +#define STBRP__CDECL __cdecl +#else +#define STBRP__NOTUSED(v) (void)sizeof(v) +#define STBRP__CDECL +#endif + +enum +{ + STBRP__INIT_skyline = 1 +}; + +STBRP_DEF void stbrp_setup_heuristic(stbrp_context *context, int heuristic) +{ + switch (context->init_mode) { + case STBRP__INIT_skyline: + STBRP_ASSERT(heuristic == STBRP_HEURISTIC_Skyline_BL_sortHeight || heuristic == STBRP_HEURISTIC_Skyline_BF_sortHeight); + context->heuristic = heuristic; + break; + default: + STBRP_ASSERT(0); + } +} + +STBRP_DEF void stbrp_setup_allow_out_of_mem(stbrp_context *context, int allow_out_of_mem) +{ + if (allow_out_of_mem) + // if it's ok to run out of memory, then don't bother aligning them; + // this gives better packing, but may fail due to OOM (even though + // the rectangles easily fit). @TODO a smarter approach would be to only + // quantize once we've hit OOM, then we could get rid of this parameter. + context->align = 1; + else { + // if it's not ok to run out of memory, then quantize the widths + // so that num_nodes is always enough nodes. + // + // I.e. num_nodes * align >= width + // align >= width / num_nodes + // align = ceil(width/num_nodes) + + context->align = (context->width + context->num_nodes-1) / context->num_nodes; + } +} + +STBRP_DEF void stbrp_init_target(stbrp_context *context, int width, int height, stbrp_node *nodes, int num_nodes) +{ + int i; +#ifndef STBRP_LARGE_RECTS + STBRP_ASSERT(width <= 0xffff && height <= 0xffff); +#endif + + for (i=0; i < num_nodes-1; ++i) + nodes[i].next = &nodes[i+1]; + nodes[i].next = NULL; + context->init_mode = STBRP__INIT_skyline; + context->heuristic = STBRP_HEURISTIC_Skyline_default; + context->free_head = &nodes[0]; + context->active_head = &context->extra[0]; + context->width = width; + context->height = height; + context->num_nodes = num_nodes; + stbrp_setup_allow_out_of_mem(context, 0); + + // node 0 is the full width, node 1 is the sentinel (lets us not store width explicitly) + context->extra[0].x = 0; + context->extra[0].y = 0; + context->extra[0].next = &context->extra[1]; + context->extra[1].x = (stbrp_coord) width; +#ifdef STBRP_LARGE_RECTS + context->extra[1].y = (1<<30); +#else + context->extra[1].y = 65535; +#endif + context->extra[1].next = NULL; +} + +// find minimum y position if it starts at x1 +static int stbrp__skyline_find_min_y(stbrp_context *c, stbrp_node *first, int x0, int width, int *pwaste) +{ + stbrp_node *node = first; + int x1 = x0 + width; + int min_y, visited_width, waste_area; + + STBRP__NOTUSED(c); + + STBRP_ASSERT(first->x <= x0); + + #if 0 + // skip in case we're past the node + while (node->next->x <= x0) + ++node; + #else + STBRP_ASSERT(node->next->x > x0); // we ended up handling this in the caller for efficiency + #endif + + STBRP_ASSERT(node->x <= x0); + + min_y = 0; + waste_area = 0; + visited_width = 0; + while (node->x < x1) { + if (node->y > min_y) { + // raise min_y higher. + // we've accounted for all waste up to min_y, + // but we'll now add more waste for everything we've visted + waste_area += visited_width * (node->y - min_y); + min_y = node->y; + // the first time through, visited_width might be reduced + if (node->x < x0) + visited_width += node->next->x - x0; + else + visited_width += node->next->x - node->x; + } else { + // add waste area + int under_width = node->next->x - node->x; + if (under_width + visited_width > width) + under_width = width - visited_width; + waste_area += under_width * (min_y - node->y); + visited_width += under_width; + } + node = node->next; + } + + *pwaste = waste_area; + return min_y; +} + +typedef struct +{ + int x,y; + stbrp_node **prev_link; +} stbrp__findresult; + +static stbrp__findresult stbrp__skyline_find_best_pos(stbrp_context *c, int width, int height) +{ + int best_waste = (1<<30), best_x, best_y = (1 << 30); + stbrp__findresult fr; + stbrp_node **prev, *node, *tail, **best = NULL; + + // align to multiple of c->align + width = (width + c->align - 1); + width -= width % c->align; + STBRP_ASSERT(width % c->align == 0); + + // if it can't possibly fit, bail immediately + if (width > c->width || height > c->height) { + fr.prev_link = NULL; + fr.x = fr.y = 0; + return fr; + } + + node = c->active_head; + prev = &c->active_head; + while (node->x + width <= c->width) { + int y,waste; + y = stbrp__skyline_find_min_y(c, node, node->x, width, &waste); + if (c->heuristic == STBRP_HEURISTIC_Skyline_BL_sortHeight) { // actually just want to test BL + // bottom left + if (y < best_y) { + best_y = y; + best = prev; + } + } else { + // best-fit + if (y + height <= c->height) { + // can only use it if it first vertically + if (y < best_y || (y == best_y && waste < best_waste)) { + best_y = y; + best_waste = waste; + best = prev; + } + } + } + prev = &node->next; + node = node->next; + } + + best_x = (best == NULL) ? 0 : (*best)->x; + + // if doing best-fit (BF), we also have to try aligning right edge to each node position + // + // e.g, if fitting + // + // ____________________ + // |____________________| + // + // into + // + // | | + // | ____________| + // |____________| + // + // then right-aligned reduces waste, but bottom-left BL is always chooses left-aligned + // + // This makes BF take about 2x the time + + if (c->heuristic == STBRP_HEURISTIC_Skyline_BF_sortHeight) { + tail = c->active_head; + node = c->active_head; + prev = &c->active_head; + // find first node that's admissible + while (tail->x < width) + tail = tail->next; + while (tail) { + int xpos = tail->x - width; + int y,waste; + STBRP_ASSERT(xpos >= 0); + // find the left position that matches this + while (node->next->x <= xpos) { + prev = &node->next; + node = node->next; + } + STBRP_ASSERT(node->next->x > xpos && node->x <= xpos); + y = stbrp__skyline_find_min_y(c, node, xpos, width, &waste); + if (y + height <= c->height) { + if (y <= best_y) { + if (y < best_y || waste < best_waste || (waste==best_waste && xpos < best_x)) { + best_x = xpos; + STBRP_ASSERT(y <= best_y); + best_y = y; + best_waste = waste; + best = prev; + } + } + } + tail = tail->next; + } + } + + fr.prev_link = best; + fr.x = best_x; + fr.y = best_y; + return fr; +} + +static stbrp__findresult stbrp__skyline_pack_rectangle(stbrp_context *context, int width, int height) +{ + // find best position according to heuristic + stbrp__findresult res = stbrp__skyline_find_best_pos(context, width, height); + stbrp_node *node, *cur; + + // bail if: + // 1. it failed + // 2. the best node doesn't fit (we don't always check this) + // 3. we're out of memory + if (res.prev_link == NULL || res.y + height > context->height || context->free_head == NULL) { + res.prev_link = NULL; + return res; + } + + // on success, create new node + node = context->free_head; + node->x = (stbrp_coord) res.x; + node->y = (stbrp_coord) (res.y + height); + + context->free_head = node->next; + + // insert the new node into the right starting point, and + // let 'cur' point to the remaining nodes needing to be + // stiched back in + + cur = *res.prev_link; + if (cur->x < res.x) { + // preserve the existing one, so start testing with the next one + stbrp_node *next = cur->next; + cur->next = node; + cur = next; + } else { + *res.prev_link = node; + } + + // from here, traverse cur and free the nodes, until we get to one + // that shouldn't be freed + while (cur->next && cur->next->x <= res.x + width) { + stbrp_node *next = cur->next; + // move the current node to the free list + cur->next = context->free_head; + context->free_head = cur; + cur = next; + } + + // stitch the list back in + node->next = cur; + + if (cur->x < res.x + width) + cur->x = (stbrp_coord) (res.x + width); + +#ifdef _DEBUG + cur = context->active_head; + while (cur->x < context->width) { + STBRP_ASSERT(cur->x < cur->next->x); + cur = cur->next; + } + STBRP_ASSERT(cur->next == NULL); + + { + int count=0; + cur = context->active_head; + while (cur) { + cur = cur->next; + ++count; + } + cur = context->free_head; + while (cur) { + cur = cur->next; + ++count; + } + STBRP_ASSERT(count == context->num_nodes+2); + } +#endif + + return res; +} + +// [DEAR IMGUI] Added STBRP__CDECL +static int STBRP__CDECL rect_height_compare(const void *a, const void *b) +{ + const stbrp_rect *p = (const stbrp_rect *) a; + const stbrp_rect *q = (const stbrp_rect *) b; + if (p->h > q->h) + return -1; + if (p->h < q->h) + return 1; + return (p->w > q->w) ? -1 : (p->w < q->w); +} + +// [DEAR IMGUI] Added STBRP__CDECL +static int STBRP__CDECL rect_original_order(const void *a, const void *b) +{ + const stbrp_rect *p = (const stbrp_rect *) a; + const stbrp_rect *q = (const stbrp_rect *) b; + return (p->was_packed < q->was_packed) ? -1 : (p->was_packed > q->was_packed); +} + +#ifdef STBRP_LARGE_RECTS +#define STBRP__MAXVAL 0xffffffff +#else +#define STBRP__MAXVAL 0xffff +#endif + +STBRP_DEF int stbrp_pack_rects(stbrp_context *context, stbrp_rect *rects, int num_rects) +{ + int i, all_rects_packed = 1; + + // we use the 'was_packed' field internally to allow sorting/unsorting + for (i=0; i < num_rects; ++i) { + rects[i].was_packed = i; + } + + // sort according to heuristic + STBRP_SORT(rects, num_rects, sizeof(rects[0]), rect_height_compare); + + for (i=0; i < num_rects; ++i) { + if (rects[i].w == 0 || rects[i].h == 0) { + rects[i].x = rects[i].y = 0; // empty rect needs no space + } else { + stbrp__findresult fr = stbrp__skyline_pack_rectangle(context, rects[i].w, rects[i].h); + if (fr.prev_link) { + rects[i].x = (stbrp_coord) fr.x; + rects[i].y = (stbrp_coord) fr.y; + } else { + rects[i].x = rects[i].y = STBRP__MAXVAL; + } + } + } + + // unsort + STBRP_SORT(rects, num_rects, sizeof(rects[0]), rect_original_order); + + // set was_packed flags and all_rects_packed status + for (i=0; i < num_rects; ++i) { + rects[i].was_packed = !(rects[i].x == STBRP__MAXVAL && rects[i].y == STBRP__MAXVAL); + if (!rects[i].was_packed) + all_rects_packed = 0; + } + + // return the all_rects_packed status + return all_rects_packed; +} +#endif + +/* +------------------------------------------------------------------------------ +This software is available under 2 licenses -- choose whichever you prefer. +------------------------------------------------------------------------------ +ALTERNATIVE A - MIT License +Copyright (c) 2017 Sean Barrett +Permission is hereby granted, free of charge, to any person obtaining a copy of +this software and associated documentation files (the "Software"), to deal in +the Software without restriction, including without limitation the rights to +use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies +of the Software, and to permit persons to whom the Software is furnished to do +so, subject to the following conditions: +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. +------------------------------------------------------------------------------ +ALTERNATIVE B - Public Domain (www.unlicense.org) +This is free and unencumbered software released into the public domain. +Anyone is free to copy, modify, publish, use, compile, sell, or distribute this +software, either in source code form or as a compiled binary, for any purpose, +commercial or non-commercial, and by any means. +In jurisdictions that recognize copyright laws, the author or authors of this +software dedicate any and all copyright interest in the software to the public +domain. We make this dedication for the benefit of the public at large and to +the detriment of our heirs and successors. We intend this dedication to be an +overt act of relinquishment in perpetuity of all present and future rights to +this software under copyright law. +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN +ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +------------------------------------------------------------------------------ +*/ diff --git a/imgui-submodule/imgui/imstb_textedit.h b/imgui-submodule/imgui/imstb_textedit.h new file mode 100644 index 0000000..2077d02 --- /dev/null +++ b/imgui-submodule/imgui/imstb_textedit.h @@ -0,0 +1,1417 @@ +// [DEAR IMGUI] +// This is a slightly modified version of stb_textedit.h 1.13. +// Those changes would need to be pushed into nothings/stb: +// - Fix in stb_textedit_discard_redo (see https://github.com/nothings/stb/issues/321) +// Grep for [DEAR IMGUI] to find the changes. + +// stb_textedit.h - v1.13 - public domain - Sean Barrett +// Development of this library was sponsored by RAD Game Tools +// +// This C header file implements the guts of a multi-line text-editing +// widget; you implement display, word-wrapping, and low-level string +// insertion/deletion, and stb_textedit will map user inputs into +// insertions & deletions, plus updates to the cursor position, +// selection state, and undo state. +// +// It is intended for use in games and other systems that need to build +// their own custom widgets and which do not have heavy text-editing +// requirements (this library is not recommended for use for editing large +// texts, as its performance does not scale and it has limited undo). +// +// Non-trivial behaviors are modelled after Windows text controls. +// +// +// LICENSE +// +// See end of file for license information. +// +// +// DEPENDENCIES +// +// Uses the C runtime function 'memmove', which you can override +// by defining STB_TEXTEDIT_memmove before the implementation. +// Uses no other functions. Performs no runtime allocations. +// +// +// VERSION HISTORY +// +// 1.13 (2019-02-07) fix bug in undo size management +// 1.12 (2018-01-29) user can change STB_TEXTEDIT_KEYTYPE, fix redo to avoid crash +// 1.11 (2017-03-03) fix HOME on last line, dragging off single-line textfield +// 1.10 (2016-10-25) supress warnings about casting away const with -Wcast-qual +// 1.9 (2016-08-27) customizable move-by-word +// 1.8 (2016-04-02) better keyboard handling when mouse button is down +// 1.7 (2015-09-13) change y range handling in case baseline is non-0 +// 1.6 (2015-04-15) allow STB_TEXTEDIT_memmove +// 1.5 (2014-09-10) add support for secondary keys for OS X +// 1.4 (2014-08-17) fix signed/unsigned warnings +// 1.3 (2014-06-19) fix mouse clicking to round to nearest char boundary +// 1.2 (2014-05-27) fix some RAD types that had crept into the new code +// 1.1 (2013-12-15) move-by-word (requires STB_TEXTEDIT_IS_SPACE ) +// 1.0 (2012-07-26) improve documentation, initial public release +// 0.3 (2012-02-24) bugfixes, single-line mode; insert mode +// 0.2 (2011-11-28) fixes to undo/redo +// 0.1 (2010-07-08) initial version +// +// ADDITIONAL CONTRIBUTORS +// +// Ulf Winklemann: move-by-word in 1.1 +// Fabian Giesen: secondary key inputs in 1.5 +// Martins Mozeiko: STB_TEXTEDIT_memmove in 1.6 +// +// Bugfixes: +// Scott Graham +// Daniel Keller +// Omar Cornut +// Dan Thompson +// +// USAGE +// +// This file behaves differently depending on what symbols you define +// before including it. +// +// +// Header-file mode: +// +// If you do not define STB_TEXTEDIT_IMPLEMENTATION before including this, +// it will operate in "header file" mode. In this mode, it declares a +// single public symbol, STB_TexteditState, which encapsulates the current +// state of a text widget (except for the string, which you will store +// separately). +// +// To compile in this mode, you must define STB_TEXTEDIT_CHARTYPE to a +// primitive type that defines a single character (e.g. char, wchar_t, etc). +// +// To save space or increase undo-ability, you can optionally define the +// following things that are used by the undo system: +// +// STB_TEXTEDIT_POSITIONTYPE small int type encoding a valid cursor position +// STB_TEXTEDIT_UNDOSTATECOUNT the number of undo states to allow +// STB_TEXTEDIT_UNDOCHARCOUNT the number of characters to store in the undo buffer +// +// If you don't define these, they are set to permissive types and +// moderate sizes. The undo system does no memory allocations, so +// it grows STB_TexteditState by the worst-case storage which is (in bytes): +// +// [4 + 3 * sizeof(STB_TEXTEDIT_POSITIONTYPE)] * STB_TEXTEDIT_UNDOSTATE_COUNT +// + sizeof(STB_TEXTEDIT_CHARTYPE) * STB_TEXTEDIT_UNDOCHAR_COUNT +// +// +// Implementation mode: +// +// If you define STB_TEXTEDIT_IMPLEMENTATION before including this, it +// will compile the implementation of the text edit widget, depending +// on a large number of symbols which must be defined before the include. +// +// The implementation is defined only as static functions. You will then +// need to provide your own APIs in the same file which will access the +// static functions. +// +// The basic concept is that you provide a "string" object which +// behaves like an array of characters. stb_textedit uses indices to +// refer to positions in the string, implicitly representing positions +// in the displayed textedit. This is true for both plain text and +// rich text; even with rich text stb_truetype interacts with your +// code as if there was an array of all the displayed characters. +// +// Symbols that must be the same in header-file and implementation mode: +// +// STB_TEXTEDIT_CHARTYPE the character type +// STB_TEXTEDIT_POSITIONTYPE small type that is a valid cursor position +// STB_TEXTEDIT_UNDOSTATECOUNT the number of undo states to allow +// STB_TEXTEDIT_UNDOCHARCOUNT the number of characters to store in the undo buffer +// +// Symbols you must define for implementation mode: +// +// STB_TEXTEDIT_STRING the type of object representing a string being edited, +// typically this is a wrapper object with other data you need +// +// STB_TEXTEDIT_STRINGLEN(obj) the length of the string (ideally O(1)) +// STB_TEXTEDIT_LAYOUTROW(&r,obj,n) returns the results of laying out a line of characters +// starting from character #n (see discussion below) +// STB_TEXTEDIT_GETWIDTH(obj,n,i) returns the pixel delta from the xpos of the i'th character +// to the xpos of the i+1'th char for a line of characters +// starting at character #n (i.e. accounts for kerning +// with previous char) +// STB_TEXTEDIT_KEYTOTEXT(k) maps a keyboard input to an insertable character +// (return type is int, -1 means not valid to insert) +// STB_TEXTEDIT_GETCHAR(obj,i) returns the i'th character of obj, 0-based +// STB_TEXTEDIT_NEWLINE the character returned by _GETCHAR() we recognize +// as manually wordwrapping for end-of-line positioning +// +// STB_TEXTEDIT_DELETECHARS(obj,i,n) delete n characters starting at i +// STB_TEXTEDIT_INSERTCHARS(obj,i,c*,n) insert n characters at i (pointed to by STB_TEXTEDIT_CHARTYPE*) +// +// STB_TEXTEDIT_K_SHIFT a power of two that is or'd in to a keyboard input to represent the shift key +// +// STB_TEXTEDIT_K_LEFT keyboard input to move cursor left +// STB_TEXTEDIT_K_RIGHT keyboard input to move cursor right +// STB_TEXTEDIT_K_UP keyboard input to move cursor up +// STB_TEXTEDIT_K_DOWN keyboard input to move cursor down +// STB_TEXTEDIT_K_LINESTART keyboard input to move cursor to start of line // e.g. HOME +// STB_TEXTEDIT_K_LINEEND keyboard input to move cursor to end of line // e.g. END +// STB_TEXTEDIT_K_TEXTSTART keyboard input to move cursor to start of text // e.g. ctrl-HOME +// STB_TEXTEDIT_K_TEXTEND keyboard input to move cursor to end of text // e.g. ctrl-END +// STB_TEXTEDIT_K_DELETE keyboard input to delete selection or character under cursor +// STB_TEXTEDIT_K_BACKSPACE keyboard input to delete selection or character left of cursor +// STB_TEXTEDIT_K_UNDO keyboard input to perform undo +// STB_TEXTEDIT_K_REDO keyboard input to perform redo +// +// Optional: +// STB_TEXTEDIT_K_INSERT keyboard input to toggle insert mode +// STB_TEXTEDIT_IS_SPACE(ch) true if character is whitespace (e.g. 'isspace'), +// required for default WORDLEFT/WORDRIGHT handlers +// STB_TEXTEDIT_MOVEWORDLEFT(obj,i) custom handler for WORDLEFT, returns index to move cursor to +// STB_TEXTEDIT_MOVEWORDRIGHT(obj,i) custom handler for WORDRIGHT, returns index to move cursor to +// STB_TEXTEDIT_K_WORDLEFT keyboard input to move cursor left one word // e.g. ctrl-LEFT +// STB_TEXTEDIT_K_WORDRIGHT keyboard input to move cursor right one word // e.g. ctrl-RIGHT +// STB_TEXTEDIT_K_LINESTART2 secondary keyboard input to move cursor to start of line +// STB_TEXTEDIT_K_LINEEND2 secondary keyboard input to move cursor to end of line +// STB_TEXTEDIT_K_TEXTSTART2 secondary keyboard input to move cursor to start of text +// STB_TEXTEDIT_K_TEXTEND2 secondary keyboard input to move cursor to end of text +// +// Todo: +// STB_TEXTEDIT_K_PGUP keyboard input to move cursor up a page +// STB_TEXTEDIT_K_PGDOWN keyboard input to move cursor down a page +// +// Keyboard input must be encoded as a single integer value; e.g. a character code +// and some bitflags that represent shift states. to simplify the interface, SHIFT must +// be a bitflag, so we can test the shifted state of cursor movements to allow selection, +// i.e. (STB_TEXTED_K_RIGHT|STB_TEXTEDIT_K_SHIFT) should be shifted right-arrow. +// +// You can encode other things, such as CONTROL or ALT, in additional bits, and +// then test for their presence in e.g. STB_TEXTEDIT_K_WORDLEFT. For example, +// my Windows implementations add an additional CONTROL bit, and an additional KEYDOWN +// bit. Then all of the STB_TEXTEDIT_K_ values bitwise-or in the KEYDOWN bit, +// and I pass both WM_KEYDOWN and WM_CHAR events to the "key" function in the +// API below. The control keys will only match WM_KEYDOWN events because of the +// keydown bit I add, and STB_TEXTEDIT_KEYTOTEXT only tests for the KEYDOWN +// bit so it only decodes WM_CHAR events. +// +// STB_TEXTEDIT_LAYOUTROW returns information about the shape of one displayed +// row of characters assuming they start on the i'th character--the width and +// the height and the number of characters consumed. This allows this library +// to traverse the entire layout incrementally. You need to compute word-wrapping +// here. +// +// Each textfield keeps its own insert mode state, which is not how normal +// applications work. To keep an app-wide insert mode, update/copy the +// "insert_mode" field of STB_TexteditState before/after calling API functions. +// +// API +// +// void stb_textedit_initialize_state(STB_TexteditState *state, int is_single_line) +// +// void stb_textedit_click(STB_TEXTEDIT_STRING *str, STB_TexteditState *state, float x, float y) +// void stb_textedit_drag(STB_TEXTEDIT_STRING *str, STB_TexteditState *state, float x, float y) +// int stb_textedit_cut(STB_TEXTEDIT_STRING *str, STB_TexteditState *state) +// int stb_textedit_paste(STB_TEXTEDIT_STRING *str, STB_TexteditState *state, STB_TEXTEDIT_CHARTYPE *text, int len) +// void stb_textedit_key(STB_TEXTEDIT_STRING *str, STB_TexteditState *state, STB_TEXEDIT_KEYTYPE key) +// +// Each of these functions potentially updates the string and updates the +// state. +// +// initialize_state: +// set the textedit state to a known good default state when initially +// constructing the textedit. +// +// click: +// call this with the mouse x,y on a mouse down; it will update the cursor +// and reset the selection start/end to the cursor point. the x,y must +// be relative to the text widget, with (0,0) being the top left. +// +// drag: +// call this with the mouse x,y on a mouse drag/up; it will update the +// cursor and the selection end point +// +// cut: +// call this to delete the current selection; returns true if there was +// one. you should FIRST copy the current selection to the system paste buffer. +// (To copy, just copy the current selection out of the string yourself.) +// +// paste: +// call this to paste text at the current cursor point or over the current +// selection if there is one. +// +// key: +// call this for keyboard inputs sent to the textfield. you can use it +// for "key down" events or for "translated" key events. if you need to +// do both (as in Win32), or distinguish Unicode characters from control +// inputs, set a high bit to distinguish the two; then you can define the +// various definitions like STB_TEXTEDIT_K_LEFT have the is-key-event bit +// set, and make STB_TEXTEDIT_KEYTOCHAR check that the is-key-event bit is +// clear. STB_TEXTEDIT_KEYTYPE defaults to int, but you can #define it to +// anything other type you wante before including. +// +// +// When rendering, you can read the cursor position and selection state from +// the STB_TexteditState. +// +// +// Notes: +// +// This is designed to be usable in IMGUI, so it allows for the possibility of +// running in an IMGUI that has NOT cached the multi-line layout. For this +// reason, it provides an interface that is compatible with computing the +// layout incrementally--we try to make sure we make as few passes through +// as possible. (For example, to locate the mouse pointer in the text, we +// could define functions that return the X and Y positions of characters +// and binary search Y and then X, but if we're doing dynamic layout this +// will run the layout algorithm many times, so instead we manually search +// forward in one pass. Similar logic applies to e.g. up-arrow and +// down-arrow movement.) +// +// If it's run in a widget that *has* cached the layout, then this is less +// efficient, but it's not horrible on modern computers. But you wouldn't +// want to edit million-line files with it. + + +//////////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////// +//// +//// Header-file mode +//// +//// + +#ifndef INCLUDE_STB_TEXTEDIT_H +#define INCLUDE_STB_TEXTEDIT_H + +//////////////////////////////////////////////////////////////////////// +// +// STB_TexteditState +// +// Definition of STB_TexteditState which you should store +// per-textfield; it includes cursor position, selection state, +// and undo state. +// + +#ifndef STB_TEXTEDIT_UNDOSTATECOUNT +#define STB_TEXTEDIT_UNDOSTATECOUNT 99 +#endif +#ifndef STB_TEXTEDIT_UNDOCHARCOUNT +#define STB_TEXTEDIT_UNDOCHARCOUNT 999 +#endif +#ifndef STB_TEXTEDIT_CHARTYPE +#define STB_TEXTEDIT_CHARTYPE int +#endif +#ifndef STB_TEXTEDIT_POSITIONTYPE +#define STB_TEXTEDIT_POSITIONTYPE int +#endif + +typedef struct +{ + // private data + STB_TEXTEDIT_POSITIONTYPE where; + STB_TEXTEDIT_POSITIONTYPE insert_length; + STB_TEXTEDIT_POSITIONTYPE delete_length; + int char_storage; +} StbUndoRecord; + +typedef struct +{ + // private data + StbUndoRecord undo_rec [STB_TEXTEDIT_UNDOSTATECOUNT]; + STB_TEXTEDIT_CHARTYPE undo_char[STB_TEXTEDIT_UNDOCHARCOUNT]; + short undo_point, redo_point; + int undo_char_point, redo_char_point; +} StbUndoState; + +typedef struct +{ + ///////////////////// + // + // public data + // + + int cursor; + // position of the text cursor within the string + + int select_start; // selection start point + int select_end; + // selection start and end point in characters; if equal, no selection. + // note that start may be less than or greater than end (e.g. when + // dragging the mouse, start is where the initial click was, and you + // can drag in either direction) + + unsigned char insert_mode; + // each textfield keeps its own insert mode state. to keep an app-wide + // insert mode, copy this value in/out of the app state + + ///////////////////// + // + // private data + // + unsigned char cursor_at_end_of_line; // not implemented yet + unsigned char initialized; + unsigned char has_preferred_x; + unsigned char single_line; + unsigned char padding1, padding2, padding3; + float preferred_x; // this determines where the cursor up/down tries to seek to along x + StbUndoState undostate; +} STB_TexteditState; + + +//////////////////////////////////////////////////////////////////////// +// +// StbTexteditRow +// +// Result of layout query, used by stb_textedit to determine where +// the text in each row is. + +// result of layout query +typedef struct +{ + float x0,x1; // starting x location, end x location (allows for align=right, etc) + float baseline_y_delta; // position of baseline relative to previous row's baseline + float ymin,ymax; // height of row above and below baseline + int num_chars; +} StbTexteditRow; +#endif //INCLUDE_STB_TEXTEDIT_H + + +//////////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////// +//// +//// Implementation mode +//// +//// + + +// implementation isn't include-guarded, since it might have indirectly +// included just the "header" portion +#ifdef STB_TEXTEDIT_IMPLEMENTATION + +#ifndef STB_TEXTEDIT_memmove +#include +#define STB_TEXTEDIT_memmove memmove +#endif + + +///////////////////////////////////////////////////////////////////////////// +// +// Mouse input handling +// + +// traverse the layout to locate the nearest character to a display position +static int stb_text_locate_coord(STB_TEXTEDIT_STRING *str, float x, float y) +{ + StbTexteditRow r; + int n = STB_TEXTEDIT_STRINGLEN(str); + float base_y = 0, prev_x; + int i=0, k; + + r.x0 = r.x1 = 0; + r.ymin = r.ymax = 0; + r.num_chars = 0; + + // search rows to find one that straddles 'y' + while (i < n) { + STB_TEXTEDIT_LAYOUTROW(&r, str, i); + if (r.num_chars <= 0) + return n; + + if (i==0 && y < base_y + r.ymin) + return 0; + + if (y < base_y + r.ymax) + break; + + i += r.num_chars; + base_y += r.baseline_y_delta; + } + + // below all text, return 'after' last character + if (i >= n) + return n; + + // check if it's before the beginning of the line + if (x < r.x0) + return i; + + // check if it's before the end of the line + if (x < r.x1) { + // search characters in row for one that straddles 'x' + prev_x = r.x0; + for (k=0; k < r.num_chars; ++k) { + float w = STB_TEXTEDIT_GETWIDTH(str, i, k); + if (x < prev_x+w) { + if (x < prev_x+w/2) + return k+i; + else + return k+i+1; + } + prev_x += w; + } + // shouldn't happen, but if it does, fall through to end-of-line case + } + + // if the last character is a newline, return that. otherwise return 'after' the last character + if (STB_TEXTEDIT_GETCHAR(str, i+r.num_chars-1) == STB_TEXTEDIT_NEWLINE) + return i+r.num_chars-1; + else + return i+r.num_chars; +} + +// API click: on mouse down, move the cursor to the clicked location, and reset the selection +static void stb_textedit_click(STB_TEXTEDIT_STRING *str, STB_TexteditState *state, float x, float y) +{ + // In single-line mode, just always make y = 0. This lets the drag keep working if the mouse + // goes off the top or bottom of the text + if( state->single_line ) + { + StbTexteditRow r; + STB_TEXTEDIT_LAYOUTROW(&r, str, 0); + y = r.ymin; + } + + state->cursor = stb_text_locate_coord(str, x, y); + state->select_start = state->cursor; + state->select_end = state->cursor; + state->has_preferred_x = 0; +} + +// API drag: on mouse drag, move the cursor and selection endpoint to the clicked location +static void stb_textedit_drag(STB_TEXTEDIT_STRING *str, STB_TexteditState *state, float x, float y) +{ + int p = 0; + + // In single-line mode, just always make y = 0. This lets the drag keep working if the mouse + // goes off the top or bottom of the text + if( state->single_line ) + { + StbTexteditRow r; + STB_TEXTEDIT_LAYOUTROW(&r, str, 0); + y = r.ymin; + } + + if (state->select_start == state->select_end) + state->select_start = state->cursor; + + p = stb_text_locate_coord(str, x, y); + state->cursor = state->select_end = p; +} + +///////////////////////////////////////////////////////////////////////////// +// +// Keyboard input handling +// + +// forward declarations +static void stb_text_undo(STB_TEXTEDIT_STRING *str, STB_TexteditState *state); +static void stb_text_redo(STB_TEXTEDIT_STRING *str, STB_TexteditState *state); +static void stb_text_makeundo_delete(STB_TEXTEDIT_STRING *str, STB_TexteditState *state, int where, int length); +static void stb_text_makeundo_insert(STB_TexteditState *state, int where, int length); +static void stb_text_makeundo_replace(STB_TEXTEDIT_STRING *str, STB_TexteditState *state, int where, int old_length, int new_length); + +typedef struct +{ + float x,y; // position of n'th character + float height; // height of line + int first_char, length; // first char of row, and length + int prev_first; // first char of previous row +} StbFindState; + +// find the x/y location of a character, and remember info about the previous row in +// case we get a move-up event (for page up, we'll have to rescan) +static void stb_textedit_find_charpos(StbFindState *find, STB_TEXTEDIT_STRING *str, int n, int single_line) +{ + StbTexteditRow r; + int prev_start = 0; + int z = STB_TEXTEDIT_STRINGLEN(str); + int i=0, first; + + if (n == z) { + // if it's at the end, then find the last line -- simpler than trying to + // explicitly handle this case in the regular code + if (single_line) { + STB_TEXTEDIT_LAYOUTROW(&r, str, 0); + find->y = 0; + find->first_char = 0; + find->length = z; + find->height = r.ymax - r.ymin; + find->x = r.x1; + } else { + find->y = 0; + find->x = 0; + find->height = 1; + while (i < z) { + STB_TEXTEDIT_LAYOUTROW(&r, str, i); + prev_start = i; + i += r.num_chars; + } + find->first_char = i; + find->length = 0; + find->prev_first = prev_start; + } + return; + } + + // search rows to find the one that straddles character n + find->y = 0; + + for(;;) { + STB_TEXTEDIT_LAYOUTROW(&r, str, i); + if (n < i + r.num_chars) + break; + prev_start = i; + i += r.num_chars; + find->y += r.baseline_y_delta; + } + + find->first_char = first = i; + find->length = r.num_chars; + find->height = r.ymax - r.ymin; + find->prev_first = prev_start; + + // now scan to find xpos + find->x = r.x0; + for (i=0; first+i < n; ++i) + find->x += STB_TEXTEDIT_GETWIDTH(str, first, i); +} + +#define STB_TEXT_HAS_SELECTION(s) ((s)->select_start != (s)->select_end) + +// make the selection/cursor state valid if client altered the string +static void stb_textedit_clamp(STB_TEXTEDIT_STRING *str, STB_TexteditState *state) +{ + int n = STB_TEXTEDIT_STRINGLEN(str); + if (STB_TEXT_HAS_SELECTION(state)) { + if (state->select_start > n) state->select_start = n; + if (state->select_end > n) state->select_end = n; + // if clamping forced them to be equal, move the cursor to match + if (state->select_start == state->select_end) + state->cursor = state->select_start; + } + if (state->cursor > n) state->cursor = n; +} + +// delete characters while updating undo +static void stb_textedit_delete(STB_TEXTEDIT_STRING *str, STB_TexteditState *state, int where, int len) +{ + stb_text_makeundo_delete(str, state, where, len); + STB_TEXTEDIT_DELETECHARS(str, where, len); + state->has_preferred_x = 0; +} + +// delete the section +static void stb_textedit_delete_selection(STB_TEXTEDIT_STRING *str, STB_TexteditState *state) +{ + stb_textedit_clamp(str, state); + if (STB_TEXT_HAS_SELECTION(state)) { + if (state->select_start < state->select_end) { + stb_textedit_delete(str, state, state->select_start, state->select_end - state->select_start); + state->select_end = state->cursor = state->select_start; + } else { + stb_textedit_delete(str, state, state->select_end, state->select_start - state->select_end); + state->select_start = state->cursor = state->select_end; + } + state->has_preferred_x = 0; + } +} + +// canoncialize the selection so start <= end +static void stb_textedit_sortselection(STB_TexteditState *state) +{ + if (state->select_end < state->select_start) { + int temp = state->select_end; + state->select_end = state->select_start; + state->select_start = temp; + } +} + +// move cursor to first character of selection +static void stb_textedit_move_to_first(STB_TexteditState *state) +{ + if (STB_TEXT_HAS_SELECTION(state)) { + stb_textedit_sortselection(state); + state->cursor = state->select_start; + state->select_end = state->select_start; + state->has_preferred_x = 0; + } +} + +// move cursor to last character of selection +static void stb_textedit_move_to_last(STB_TEXTEDIT_STRING *str, STB_TexteditState *state) +{ + if (STB_TEXT_HAS_SELECTION(state)) { + stb_textedit_sortselection(state); + stb_textedit_clamp(str, state); + state->cursor = state->select_end; + state->select_start = state->select_end; + state->has_preferred_x = 0; + } +} + +#ifdef STB_TEXTEDIT_IS_SPACE +static int is_word_boundary( STB_TEXTEDIT_STRING *str, int idx ) +{ + return idx > 0 ? (STB_TEXTEDIT_IS_SPACE( STB_TEXTEDIT_GETCHAR(str,idx-1) ) && !STB_TEXTEDIT_IS_SPACE( STB_TEXTEDIT_GETCHAR(str, idx) ) ) : 1; +} + +#ifndef STB_TEXTEDIT_MOVEWORDLEFT +static int stb_textedit_move_to_word_previous( STB_TEXTEDIT_STRING *str, int c ) +{ + --c; // always move at least one character + while( c >= 0 && !is_word_boundary( str, c ) ) + --c; + + if( c < 0 ) + c = 0; + + return c; +} +#define STB_TEXTEDIT_MOVEWORDLEFT stb_textedit_move_to_word_previous +#endif + +#ifndef STB_TEXTEDIT_MOVEWORDRIGHT +static int stb_textedit_move_to_word_next( STB_TEXTEDIT_STRING *str, int c ) +{ + const int len = STB_TEXTEDIT_STRINGLEN(str); + ++c; // always move at least one character + while( c < len && !is_word_boundary( str, c ) ) + ++c; + + if( c > len ) + c = len; + + return c; +} +#define STB_TEXTEDIT_MOVEWORDRIGHT stb_textedit_move_to_word_next +#endif + +#endif + +// update selection and cursor to match each other +static void stb_textedit_prep_selection_at_cursor(STB_TexteditState *state) +{ + if (!STB_TEXT_HAS_SELECTION(state)) + state->select_start = state->select_end = state->cursor; + else + state->cursor = state->select_end; +} + +// API cut: delete selection +static int stb_textedit_cut(STB_TEXTEDIT_STRING *str, STB_TexteditState *state) +{ + if (STB_TEXT_HAS_SELECTION(state)) { + stb_textedit_delete_selection(str,state); // implicitly clamps + state->has_preferred_x = 0; + return 1; + } + return 0; +} + +// API paste: replace existing selection with passed-in text +static int stb_textedit_paste_internal(STB_TEXTEDIT_STRING *str, STB_TexteditState *state, STB_TEXTEDIT_CHARTYPE *text, int len) +{ + // if there's a selection, the paste should delete it + stb_textedit_clamp(str, state); + stb_textedit_delete_selection(str,state); + // try to insert the characters + if (STB_TEXTEDIT_INSERTCHARS(str, state->cursor, text, len)) { + stb_text_makeundo_insert(state, state->cursor, len); + state->cursor += len; + state->has_preferred_x = 0; + return 1; + } + // remove the undo since we didn't actually insert the characters + if (state->undostate.undo_point) + --state->undostate.undo_point; + return 0; +} + +#ifndef STB_TEXTEDIT_KEYTYPE +#define STB_TEXTEDIT_KEYTYPE int +#endif + +// API key: process a keyboard input +static void stb_textedit_key(STB_TEXTEDIT_STRING *str, STB_TexteditState *state, STB_TEXTEDIT_KEYTYPE key) +{ +retry: + switch (key) { + default: { + int c = STB_TEXTEDIT_KEYTOTEXT(key); + if (c > 0) { + STB_TEXTEDIT_CHARTYPE ch = (STB_TEXTEDIT_CHARTYPE) c; + + // can't add newline in single-line mode + if (c == '\n' && state->single_line) + break; + + if (state->insert_mode && !STB_TEXT_HAS_SELECTION(state) && state->cursor < STB_TEXTEDIT_STRINGLEN(str)) { + stb_text_makeundo_replace(str, state, state->cursor, 1, 1); + STB_TEXTEDIT_DELETECHARS(str, state->cursor, 1); + if (STB_TEXTEDIT_INSERTCHARS(str, state->cursor, &ch, 1)) { + ++state->cursor; + state->has_preferred_x = 0; + } + } else { + stb_textedit_delete_selection(str,state); // implicitly clamps + if (STB_TEXTEDIT_INSERTCHARS(str, state->cursor, &ch, 1)) { + stb_text_makeundo_insert(state, state->cursor, 1); + ++state->cursor; + state->has_preferred_x = 0; + } + } + } + break; + } + +#ifdef STB_TEXTEDIT_K_INSERT + case STB_TEXTEDIT_K_INSERT: + state->insert_mode = !state->insert_mode; + break; +#endif + + case STB_TEXTEDIT_K_UNDO: + stb_text_undo(str, state); + state->has_preferred_x = 0; + break; + + case STB_TEXTEDIT_K_REDO: + stb_text_redo(str, state); + state->has_preferred_x = 0; + break; + + case STB_TEXTEDIT_K_LEFT: + // if currently there's a selection, move cursor to start of selection + if (STB_TEXT_HAS_SELECTION(state)) + stb_textedit_move_to_first(state); + else + if (state->cursor > 0) + --state->cursor; + state->has_preferred_x = 0; + break; + + case STB_TEXTEDIT_K_RIGHT: + // if currently there's a selection, move cursor to end of selection + if (STB_TEXT_HAS_SELECTION(state)) + stb_textedit_move_to_last(str, state); + else + ++state->cursor; + stb_textedit_clamp(str, state); + state->has_preferred_x = 0; + break; + + case STB_TEXTEDIT_K_LEFT | STB_TEXTEDIT_K_SHIFT: + stb_textedit_clamp(str, state); + stb_textedit_prep_selection_at_cursor(state); + // move selection left + if (state->select_end > 0) + --state->select_end; + state->cursor = state->select_end; + state->has_preferred_x = 0; + break; + +#ifdef STB_TEXTEDIT_MOVEWORDLEFT + case STB_TEXTEDIT_K_WORDLEFT: + if (STB_TEXT_HAS_SELECTION(state)) + stb_textedit_move_to_first(state); + else { + state->cursor = STB_TEXTEDIT_MOVEWORDLEFT(str, state->cursor); + stb_textedit_clamp( str, state ); + } + break; + + case STB_TEXTEDIT_K_WORDLEFT | STB_TEXTEDIT_K_SHIFT: + if( !STB_TEXT_HAS_SELECTION( state ) ) + stb_textedit_prep_selection_at_cursor(state); + + state->cursor = STB_TEXTEDIT_MOVEWORDLEFT(str, state->cursor); + state->select_end = state->cursor; + + stb_textedit_clamp( str, state ); + break; +#endif + +#ifdef STB_TEXTEDIT_MOVEWORDRIGHT + case STB_TEXTEDIT_K_WORDRIGHT: + if (STB_TEXT_HAS_SELECTION(state)) + stb_textedit_move_to_last(str, state); + else { + state->cursor = STB_TEXTEDIT_MOVEWORDRIGHT(str, state->cursor); + stb_textedit_clamp( str, state ); + } + break; + + case STB_TEXTEDIT_K_WORDRIGHT | STB_TEXTEDIT_K_SHIFT: + if( !STB_TEXT_HAS_SELECTION( state ) ) + stb_textedit_prep_selection_at_cursor(state); + + state->cursor = STB_TEXTEDIT_MOVEWORDRIGHT(str, state->cursor); + state->select_end = state->cursor; + + stb_textedit_clamp( str, state ); + break; +#endif + + case STB_TEXTEDIT_K_RIGHT | STB_TEXTEDIT_K_SHIFT: + stb_textedit_prep_selection_at_cursor(state); + // move selection right + ++state->select_end; + stb_textedit_clamp(str, state); + state->cursor = state->select_end; + state->has_preferred_x = 0; + break; + + case STB_TEXTEDIT_K_DOWN: + case STB_TEXTEDIT_K_DOWN | STB_TEXTEDIT_K_SHIFT: { + StbFindState find; + StbTexteditRow row; + int i, sel = (key & STB_TEXTEDIT_K_SHIFT) != 0; + + if (state->single_line) { + // on windows, up&down in single-line behave like left&right + key = STB_TEXTEDIT_K_RIGHT | (key & STB_TEXTEDIT_K_SHIFT); + goto retry; + } + + if (sel) + stb_textedit_prep_selection_at_cursor(state); + else if (STB_TEXT_HAS_SELECTION(state)) + stb_textedit_move_to_last(str,state); + + // compute current position of cursor point + stb_textedit_clamp(str, state); + stb_textedit_find_charpos(&find, str, state->cursor, state->single_line); + + // now find character position down a row + if (find.length) { + float goal_x = state->has_preferred_x ? state->preferred_x : find.x; + float x; + int start = find.first_char + find.length; + state->cursor = start; + STB_TEXTEDIT_LAYOUTROW(&row, str, state->cursor); + x = row.x0; + for (i=0; i < row.num_chars; ++i) { + float dx = STB_TEXTEDIT_GETWIDTH(str, start, i); + #ifdef STB_TEXTEDIT_GETWIDTH_NEWLINE + if (dx == STB_TEXTEDIT_GETWIDTH_NEWLINE) + break; + #endif + x += dx; + if (x > goal_x) + break; + ++state->cursor; + } + stb_textedit_clamp(str, state); + + state->has_preferred_x = 1; + state->preferred_x = goal_x; + + if (sel) + state->select_end = state->cursor; + } + break; + } + + case STB_TEXTEDIT_K_UP: + case STB_TEXTEDIT_K_UP | STB_TEXTEDIT_K_SHIFT: { + StbFindState find; + StbTexteditRow row; + int i, sel = (key & STB_TEXTEDIT_K_SHIFT) != 0; + + if (state->single_line) { + // on windows, up&down become left&right + key = STB_TEXTEDIT_K_LEFT | (key & STB_TEXTEDIT_K_SHIFT); + goto retry; + } + + if (sel) + stb_textedit_prep_selection_at_cursor(state); + else if (STB_TEXT_HAS_SELECTION(state)) + stb_textedit_move_to_first(state); + + // compute current position of cursor point + stb_textedit_clamp(str, state); + stb_textedit_find_charpos(&find, str, state->cursor, state->single_line); + + // can only go up if there's a previous row + if (find.prev_first != find.first_char) { + // now find character position up a row + float goal_x = state->has_preferred_x ? state->preferred_x : find.x; + float x; + state->cursor = find.prev_first; + STB_TEXTEDIT_LAYOUTROW(&row, str, state->cursor); + x = row.x0; + for (i=0; i < row.num_chars; ++i) { + float dx = STB_TEXTEDIT_GETWIDTH(str, find.prev_first, i); + #ifdef STB_TEXTEDIT_GETWIDTH_NEWLINE + if (dx == STB_TEXTEDIT_GETWIDTH_NEWLINE) + break; + #endif + x += dx; + if (x > goal_x) + break; + ++state->cursor; + } + stb_textedit_clamp(str, state); + + state->has_preferred_x = 1; + state->preferred_x = goal_x; + + if (sel) + state->select_end = state->cursor; + } + break; + } + + case STB_TEXTEDIT_K_DELETE: + case STB_TEXTEDIT_K_DELETE | STB_TEXTEDIT_K_SHIFT: + if (STB_TEXT_HAS_SELECTION(state)) + stb_textedit_delete_selection(str, state); + else { + int n = STB_TEXTEDIT_STRINGLEN(str); + if (state->cursor < n) + stb_textedit_delete(str, state, state->cursor, 1); + } + state->has_preferred_x = 0; + break; + + case STB_TEXTEDIT_K_BACKSPACE: + case STB_TEXTEDIT_K_BACKSPACE | STB_TEXTEDIT_K_SHIFT: + if (STB_TEXT_HAS_SELECTION(state)) + stb_textedit_delete_selection(str, state); + else { + stb_textedit_clamp(str, state); + if (state->cursor > 0) { + stb_textedit_delete(str, state, state->cursor-1, 1); + --state->cursor; + } + } + state->has_preferred_x = 0; + break; + +#ifdef STB_TEXTEDIT_K_TEXTSTART2 + case STB_TEXTEDIT_K_TEXTSTART2: +#endif + case STB_TEXTEDIT_K_TEXTSTART: + state->cursor = state->select_start = state->select_end = 0; + state->has_preferred_x = 0; + break; + +#ifdef STB_TEXTEDIT_K_TEXTEND2 + case STB_TEXTEDIT_K_TEXTEND2: +#endif + case STB_TEXTEDIT_K_TEXTEND: + state->cursor = STB_TEXTEDIT_STRINGLEN(str); + state->select_start = state->select_end = 0; + state->has_preferred_x = 0; + break; + +#ifdef STB_TEXTEDIT_K_TEXTSTART2 + case STB_TEXTEDIT_K_TEXTSTART2 | STB_TEXTEDIT_K_SHIFT: +#endif + case STB_TEXTEDIT_K_TEXTSTART | STB_TEXTEDIT_K_SHIFT: + stb_textedit_prep_selection_at_cursor(state); + state->cursor = state->select_end = 0; + state->has_preferred_x = 0; + break; + +#ifdef STB_TEXTEDIT_K_TEXTEND2 + case STB_TEXTEDIT_K_TEXTEND2 | STB_TEXTEDIT_K_SHIFT: +#endif + case STB_TEXTEDIT_K_TEXTEND | STB_TEXTEDIT_K_SHIFT: + stb_textedit_prep_selection_at_cursor(state); + state->cursor = state->select_end = STB_TEXTEDIT_STRINGLEN(str); + state->has_preferred_x = 0; + break; + + +#ifdef STB_TEXTEDIT_K_LINESTART2 + case STB_TEXTEDIT_K_LINESTART2: +#endif + case STB_TEXTEDIT_K_LINESTART: + stb_textedit_clamp(str, state); + stb_textedit_move_to_first(state); + if (state->single_line) + state->cursor = 0; + else while (state->cursor > 0 && STB_TEXTEDIT_GETCHAR(str, state->cursor-1) != STB_TEXTEDIT_NEWLINE) + --state->cursor; + state->has_preferred_x = 0; + break; + +#ifdef STB_TEXTEDIT_K_LINEEND2 + case STB_TEXTEDIT_K_LINEEND2: +#endif + case STB_TEXTEDIT_K_LINEEND: { + int n = STB_TEXTEDIT_STRINGLEN(str); + stb_textedit_clamp(str, state); + stb_textedit_move_to_first(state); + if (state->single_line) + state->cursor = n; + else while (state->cursor < n && STB_TEXTEDIT_GETCHAR(str, state->cursor) != STB_TEXTEDIT_NEWLINE) + ++state->cursor; + state->has_preferred_x = 0; + break; + } + +#ifdef STB_TEXTEDIT_K_LINESTART2 + case STB_TEXTEDIT_K_LINESTART2 | STB_TEXTEDIT_K_SHIFT: +#endif + case STB_TEXTEDIT_K_LINESTART | STB_TEXTEDIT_K_SHIFT: + stb_textedit_clamp(str, state); + stb_textedit_prep_selection_at_cursor(state); + if (state->single_line) + state->cursor = 0; + else while (state->cursor > 0 && STB_TEXTEDIT_GETCHAR(str, state->cursor-1) != STB_TEXTEDIT_NEWLINE) + --state->cursor; + state->select_end = state->cursor; + state->has_preferred_x = 0; + break; + +#ifdef STB_TEXTEDIT_K_LINEEND2 + case STB_TEXTEDIT_K_LINEEND2 | STB_TEXTEDIT_K_SHIFT: +#endif + case STB_TEXTEDIT_K_LINEEND | STB_TEXTEDIT_K_SHIFT: { + int n = STB_TEXTEDIT_STRINGLEN(str); + stb_textedit_clamp(str, state); + stb_textedit_prep_selection_at_cursor(state); + if (state->single_line) + state->cursor = n; + else while (state->cursor < n && STB_TEXTEDIT_GETCHAR(str, state->cursor) != STB_TEXTEDIT_NEWLINE) + ++state->cursor; + state->select_end = state->cursor; + state->has_preferred_x = 0; + break; + } + +// @TODO: +// STB_TEXTEDIT_K_PGUP - move cursor up a page +// STB_TEXTEDIT_K_PGDOWN - move cursor down a page + } +} + +///////////////////////////////////////////////////////////////////////////// +// +// Undo processing +// +// @OPTIMIZE: the undo/redo buffer should be circular + +static void stb_textedit_flush_redo(StbUndoState *state) +{ + state->redo_point = STB_TEXTEDIT_UNDOSTATECOUNT; + state->redo_char_point = STB_TEXTEDIT_UNDOCHARCOUNT; +} + +// discard the oldest entry in the undo list +static void stb_textedit_discard_undo(StbUndoState *state) +{ + if (state->undo_point > 0) { + // if the 0th undo state has characters, clean those up + if (state->undo_rec[0].char_storage >= 0) { + int n = state->undo_rec[0].insert_length, i; + // delete n characters from all other records + state->undo_char_point -= n; + STB_TEXTEDIT_memmove(state->undo_char, state->undo_char + n, (size_t) (state->undo_char_point*sizeof(STB_TEXTEDIT_CHARTYPE))); + for (i=0; i < state->undo_point; ++i) + if (state->undo_rec[i].char_storage >= 0) + state->undo_rec[i].char_storage -= n; // @OPTIMIZE: get rid of char_storage and infer it + } + --state->undo_point; + STB_TEXTEDIT_memmove(state->undo_rec, state->undo_rec+1, (size_t) (state->undo_point*sizeof(state->undo_rec[0]))); + } +} + +// discard the oldest entry in the redo list--it's bad if this +// ever happens, but because undo & redo have to store the actual +// characters in different cases, the redo character buffer can +// fill up even though the undo buffer didn't +static void stb_textedit_discard_redo(StbUndoState *state) +{ + int k = STB_TEXTEDIT_UNDOSTATECOUNT-1; + + if (state->redo_point <= k) { + // if the k'th undo state has characters, clean those up + if (state->undo_rec[k].char_storage >= 0) { + int n = state->undo_rec[k].insert_length, i; + // move the remaining redo character data to the end of the buffer + state->redo_char_point += n; + STB_TEXTEDIT_memmove(state->undo_char + state->redo_char_point, state->undo_char + state->redo_char_point-n, (size_t) ((STB_TEXTEDIT_UNDOCHARCOUNT - state->redo_char_point)*sizeof(STB_TEXTEDIT_CHARTYPE))); + // adjust the position of all the other records to account for above memmove + for (i=state->redo_point; i < k; ++i) + if (state->undo_rec[i].char_storage >= 0) + state->undo_rec[i].char_storage += n; + } + // now move all the redo records towards the end of the buffer; the first one is at 'redo_point' + // {DEAR IMGUI] + size_t move_size = (size_t)((STB_TEXTEDIT_UNDOSTATECOUNT - state->redo_point - 1) * sizeof(state->undo_rec[0])); + const char* buf_begin = (char*)state->undo_rec; (void)buf_begin; + const char* buf_end = (char*)state->undo_rec + sizeof(state->undo_rec); (void)buf_end; + IM_ASSERT(((char*)(state->undo_rec + state->redo_point)) >= buf_begin); + IM_ASSERT(((char*)(state->undo_rec + state->redo_point + 1) + move_size) <= buf_end); + STB_TEXTEDIT_memmove(state->undo_rec + state->redo_point+1, state->undo_rec + state->redo_point, move_size); + + // now move redo_point to point to the new one + ++state->redo_point; + } +} + +static StbUndoRecord *stb_text_create_undo_record(StbUndoState *state, int numchars) +{ + // any time we create a new undo record, we discard redo + stb_textedit_flush_redo(state); + + // if we have no free records, we have to make room, by sliding the + // existing records down + if (state->undo_point == STB_TEXTEDIT_UNDOSTATECOUNT) + stb_textedit_discard_undo(state); + + // if the characters to store won't possibly fit in the buffer, we can't undo + if (numchars > STB_TEXTEDIT_UNDOCHARCOUNT) { + state->undo_point = 0; + state->undo_char_point = 0; + return NULL; + } + + // if we don't have enough free characters in the buffer, we have to make room + while (state->undo_char_point + numchars > STB_TEXTEDIT_UNDOCHARCOUNT) + stb_textedit_discard_undo(state); + + return &state->undo_rec[state->undo_point++]; +} + +static STB_TEXTEDIT_CHARTYPE *stb_text_createundo(StbUndoState *state, int pos, int insert_len, int delete_len) +{ + StbUndoRecord *r = stb_text_create_undo_record(state, insert_len); + if (r == NULL) + return NULL; + + r->where = pos; + r->insert_length = (STB_TEXTEDIT_POSITIONTYPE) insert_len; + r->delete_length = (STB_TEXTEDIT_POSITIONTYPE) delete_len; + + if (insert_len == 0) { + r->char_storage = -1; + return NULL; + } else { + r->char_storage = state->undo_char_point; + state->undo_char_point += insert_len; + return &state->undo_char[r->char_storage]; + } +} + +static void stb_text_undo(STB_TEXTEDIT_STRING *str, STB_TexteditState *state) +{ + StbUndoState *s = &state->undostate; + StbUndoRecord u, *r; + if (s->undo_point == 0) + return; + + // we need to do two things: apply the undo record, and create a redo record + u = s->undo_rec[s->undo_point-1]; + r = &s->undo_rec[s->redo_point-1]; + r->char_storage = -1; + + r->insert_length = u.delete_length; + r->delete_length = u.insert_length; + r->where = u.where; + + if (u.delete_length) { + // if the undo record says to delete characters, then the redo record will + // need to re-insert the characters that get deleted, so we need to store + // them. + + // there are three cases: + // there's enough room to store the characters + // characters stored for *redoing* don't leave room for redo + // characters stored for *undoing* don't leave room for redo + // if the last is true, we have to bail + + if (s->undo_char_point + u.delete_length >= STB_TEXTEDIT_UNDOCHARCOUNT) { + // the undo records take up too much character space; there's no space to store the redo characters + r->insert_length = 0; + } else { + int i; + + // there's definitely room to store the characters eventually + while (s->undo_char_point + u.delete_length > s->redo_char_point) { + // should never happen: + if (s->redo_point == STB_TEXTEDIT_UNDOSTATECOUNT) + return; + // there's currently not enough room, so discard a redo record + stb_textedit_discard_redo(s); + } + r = &s->undo_rec[s->redo_point-1]; + + r->char_storage = s->redo_char_point - u.delete_length; + s->redo_char_point = s->redo_char_point - u.delete_length; + + // now save the characters + for (i=0; i < u.delete_length; ++i) + s->undo_char[r->char_storage + i] = STB_TEXTEDIT_GETCHAR(str, u.where + i); + } + + // now we can carry out the deletion + STB_TEXTEDIT_DELETECHARS(str, u.where, u.delete_length); + } + + // check type of recorded action: + if (u.insert_length) { + // easy case: was a deletion, so we need to insert n characters + STB_TEXTEDIT_INSERTCHARS(str, u.where, &s->undo_char[u.char_storage], u.insert_length); + s->undo_char_point -= u.insert_length; + } + + state->cursor = u.where + u.insert_length; + + s->undo_point--; + s->redo_point--; +} + +static void stb_text_redo(STB_TEXTEDIT_STRING *str, STB_TexteditState *state) +{ + StbUndoState *s = &state->undostate; + StbUndoRecord *u, r; + if (s->redo_point == STB_TEXTEDIT_UNDOSTATECOUNT) + return; + + // we need to do two things: apply the redo record, and create an undo record + u = &s->undo_rec[s->undo_point]; + r = s->undo_rec[s->redo_point]; + + // we KNOW there must be room for the undo record, because the redo record + // was derived from an undo record + + u->delete_length = r.insert_length; + u->insert_length = r.delete_length; + u->where = r.where; + u->char_storage = -1; + + if (r.delete_length) { + // the redo record requires us to delete characters, so the undo record + // needs to store the characters + + if (s->undo_char_point + u->insert_length > s->redo_char_point) { + u->insert_length = 0; + u->delete_length = 0; + } else { + int i; + u->char_storage = s->undo_char_point; + s->undo_char_point = s->undo_char_point + u->insert_length; + + // now save the characters + for (i=0; i < u->insert_length; ++i) + s->undo_char[u->char_storage + i] = STB_TEXTEDIT_GETCHAR(str, u->where + i); + } + + STB_TEXTEDIT_DELETECHARS(str, r.where, r.delete_length); + } + + if (r.insert_length) { + // easy case: need to insert n characters + STB_TEXTEDIT_INSERTCHARS(str, r.where, &s->undo_char[r.char_storage], r.insert_length); + s->redo_char_point += r.insert_length; + } + + state->cursor = r.where + r.insert_length; + + s->undo_point++; + s->redo_point++; +} + +static void stb_text_makeundo_insert(STB_TexteditState *state, int where, int length) +{ + stb_text_createundo(&state->undostate, where, 0, length); +} + +static void stb_text_makeundo_delete(STB_TEXTEDIT_STRING *str, STB_TexteditState *state, int where, int length) +{ + int i; + STB_TEXTEDIT_CHARTYPE *p = stb_text_createundo(&state->undostate, where, length, 0); + if (p) { + for (i=0; i < length; ++i) + p[i] = STB_TEXTEDIT_GETCHAR(str, where+i); + } +} + +static void stb_text_makeundo_replace(STB_TEXTEDIT_STRING *str, STB_TexteditState *state, int where, int old_length, int new_length) +{ + int i; + STB_TEXTEDIT_CHARTYPE *p = stb_text_createundo(&state->undostate, where, old_length, new_length); + if (p) { + for (i=0; i < old_length; ++i) + p[i] = STB_TEXTEDIT_GETCHAR(str, where+i); + } +} + +// reset the state to default +static void stb_textedit_clear_state(STB_TexteditState *state, int is_single_line) +{ + state->undostate.undo_point = 0; + state->undostate.undo_char_point = 0; + state->undostate.redo_point = STB_TEXTEDIT_UNDOSTATECOUNT; + state->undostate.redo_char_point = STB_TEXTEDIT_UNDOCHARCOUNT; + state->select_end = state->select_start = 0; + state->cursor = 0; + state->has_preferred_x = 0; + state->preferred_x = 0; + state->cursor_at_end_of_line = 0; + state->initialized = 1; + state->single_line = (unsigned char) is_single_line; + state->insert_mode = 0; +} + +// API initialize +static void stb_textedit_initialize_state(STB_TexteditState *state, int is_single_line) +{ + stb_textedit_clear_state(state, is_single_line); +} + +#if defined(__GNUC__) || defined(__clang__) +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wcast-qual" +#endif + +static int stb_textedit_paste(STB_TEXTEDIT_STRING *str, STB_TexteditState *state, STB_TEXTEDIT_CHARTYPE const *ctext, int len) +{ + return stb_textedit_paste_internal(str, state, (STB_TEXTEDIT_CHARTYPE *) ctext, len); +} + +#if defined(__GNUC__) || defined(__clang__) +#pragma GCC diagnostic pop +#endif + +#endif//STB_TEXTEDIT_IMPLEMENTATION + +/* +------------------------------------------------------------------------------ +This software is available under 2 licenses -- choose whichever you prefer. +------------------------------------------------------------------------------ +ALTERNATIVE A - MIT License +Copyright (c) 2017 Sean Barrett +Permission is hereby granted, free of charge, to any person obtaining a copy of +this software and associated documentation files (the "Software"), to deal in +the Software without restriction, including without limitation the rights to +use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies +of the Software, and to permit persons to whom the Software is furnished to do +so, subject to the following conditions: +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. +------------------------------------------------------------------------------ +ALTERNATIVE B - Public Domain (www.unlicense.org) +This is free and unencumbered software released into the public domain. +Anyone is free to copy, modify, publish, use, compile, sell, or distribute this +software, either in source code form or as a compiled binary, for any purpose, +commercial or non-commercial, and by any means. +In jurisdictions that recognize copyright laws, the author or authors of this +software dedicate any and all copyright interest in the software to the public +domain. We make this dedication for the benefit of the public at large and to +the detriment of our heirs and successors. We intend this dedication to be an +overt act of relinquishment in perpetuity of all present and future rights to +this software under copyright law. +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN +ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +------------------------------------------------------------------------------ +*/ diff --git a/imgui-submodule/imgui/imstb_truetype.h b/imgui-submodule/imgui/imstb_truetype.h new file mode 100644 index 0000000..b4bdbd8 --- /dev/null +++ b/imgui-submodule/imgui/imstb_truetype.h @@ -0,0 +1,4903 @@ +// [DEAR IMGUI] +// This is a slightly modified version of stb_truetype.h 1.20. +// Mostly fixing for compiler and static analyzer warnings. +// Grep for [DEAR IMGUI] to find the changes. + +// stb_truetype.h - v1.20 - public domain +// authored from 2009-2016 by Sean Barrett / RAD Game Tools +// +// This library processes TrueType files: +// parse files +// extract glyph metrics +// extract glyph shapes +// render glyphs to one-channel bitmaps with antialiasing (box filter) +// render glyphs to one-channel SDF bitmaps (signed-distance field/function) +// +// Todo: +// non-MS cmaps +// crashproof on bad data +// hinting? (no longer patented) +// cleartype-style AA? +// optimize: use simple memory allocator for intermediates +// optimize: build edge-list directly from curves +// optimize: rasterize directly from curves? +// +// ADDITIONAL CONTRIBUTORS +// +// Mikko Mononen: compound shape support, more cmap formats +// Tor Andersson: kerning, subpixel rendering +// Dougall Johnson: OpenType / Type 2 font handling +// Daniel Ribeiro Maciel: basic GPOS-based kerning +// +// Misc other: +// Ryan Gordon +// Simon Glass +// github:IntellectualKitty +// Imanol Celaya +// Daniel Ribeiro Maciel +// +// Bug/warning reports/fixes: +// "Zer" on mollyrocket Fabian "ryg" Giesen +// Cass Everitt Martins Mozeiko +// stoiko (Haemimont Games) Cap Petschulat +// Brian Hook Omar Cornut +// Walter van Niftrik github:aloucks +// David Gow Peter LaValle +// David Given Sergey Popov +// Ivan-Assen Ivanov Giumo X. Clanjor +// Anthony Pesch Higor Euripedes +// Johan Duparc Thomas Fields +// Hou Qiming Derek Vinyard +// Rob Loach Cort Stratton +// Kenney Phillis Jr. github:oyvindjam +// Brian Costabile github:vassvik +// +// VERSION HISTORY +// +// 1.20 (2019-02-07) PackFontRange skips missing codepoints; GetScaleFontVMetrics() +// 1.19 (2018-02-11) GPOS kerning, STBTT_fmod +// 1.18 (2018-01-29) add missing function +// 1.17 (2017-07-23) make more arguments const; doc fix +// 1.16 (2017-07-12) SDF support +// 1.15 (2017-03-03) make more arguments const +// 1.14 (2017-01-16) num-fonts-in-TTC function +// 1.13 (2017-01-02) support OpenType fonts, certain Apple fonts +// 1.12 (2016-10-25) suppress warnings about casting away const with -Wcast-qual +// 1.11 (2016-04-02) fix unused-variable warning +// 1.10 (2016-04-02) user-defined fabs(); rare memory leak; remove duplicate typedef +// 1.09 (2016-01-16) warning fix; avoid crash on outofmem; use allocation userdata properly +// 1.08 (2015-09-13) document stbtt_Rasterize(); fixes for vertical & horizontal edges +// 1.07 (2015-08-01) allow PackFontRanges to accept arrays of sparse codepoints; +// variant PackFontRanges to pack and render in separate phases; +// fix stbtt_GetFontOFfsetForIndex (never worked for non-0 input?); +// fixed an assert() bug in the new rasterizer +// replace assert() with STBTT_assert() in new rasterizer +// +// Full history can be found at the end of this file. +// +// LICENSE +// +// See end of file for license information. +// +// USAGE +// +// Include this file in whatever places need to refer to it. In ONE C/C++ +// file, write: +// #define STB_TRUETYPE_IMPLEMENTATION +// before the #include of this file. This expands out the actual +// implementation into that C/C++ file. +// +// To make the implementation private to the file that generates the implementation, +// #define STBTT_STATIC +// +// Simple 3D API (don't ship this, but it's fine for tools and quick start) +// stbtt_BakeFontBitmap() -- bake a font to a bitmap for use as texture +// stbtt_GetBakedQuad() -- compute quad to draw for a given char +// +// Improved 3D API (more shippable): +// #include "stb_rect_pack.h" -- optional, but you really want it +// stbtt_PackBegin() +// stbtt_PackSetOversampling() -- for improved quality on small fonts +// stbtt_PackFontRanges() -- pack and renders +// stbtt_PackEnd() +// stbtt_GetPackedQuad() +// +// "Load" a font file from a memory buffer (you have to keep the buffer loaded) +// stbtt_InitFont() +// stbtt_GetFontOffsetForIndex() -- indexing for TTC font collections +// stbtt_GetNumberOfFonts() -- number of fonts for TTC font collections +// +// Render a unicode codepoint to a bitmap +// stbtt_GetCodepointBitmap() -- allocates and returns a bitmap +// stbtt_MakeCodepointBitmap() -- renders into bitmap you provide +// stbtt_GetCodepointBitmapBox() -- how big the bitmap must be +// +// Character advance/positioning +// stbtt_GetCodepointHMetrics() +// stbtt_GetFontVMetrics() +// stbtt_GetFontVMetricsOS2() +// stbtt_GetCodepointKernAdvance() +// +// Starting with version 1.06, the rasterizer was replaced with a new, +// faster and generally-more-precise rasterizer. The new rasterizer more +// accurately measures pixel coverage for anti-aliasing, except in the case +// where multiple shapes overlap, in which case it overestimates the AA pixel +// coverage. Thus, anti-aliasing of intersecting shapes may look wrong. If +// this turns out to be a problem, you can re-enable the old rasterizer with +// #define STBTT_RASTERIZER_VERSION 1 +// which will incur about a 15% speed hit. +// +// ADDITIONAL DOCUMENTATION +// +// Immediately after this block comment are a series of sample programs. +// +// After the sample programs is the "header file" section. This section +// includes documentation for each API function. +// +// Some important concepts to understand to use this library: +// +// Codepoint +// Characters are defined by unicode codepoints, e.g. 65 is +// uppercase A, 231 is lowercase c with a cedilla, 0x7e30 is +// the hiragana for "ma". +// +// Glyph +// A visual character shape (every codepoint is rendered as +// some glyph) +// +// Glyph index +// A font-specific integer ID representing a glyph +// +// Baseline +// Glyph shapes are defined relative to a baseline, which is the +// bottom of uppercase characters. Characters extend both above +// and below the baseline. +// +// Current Point +// As you draw text to the screen, you keep track of a "current point" +// which is the origin of each character. The current point's vertical +// position is the baseline. Even "baked fonts" use this model. +// +// Vertical Font Metrics +// The vertical qualities of the font, used to vertically position +// and space the characters. See docs for stbtt_GetFontVMetrics. +// +// Font Size in Pixels or Points +// The preferred interface for specifying font sizes in stb_truetype +// is to specify how tall the font's vertical extent should be in pixels. +// If that sounds good enough, skip the next paragraph. +// +// Most font APIs instead use "points", which are a common typographic +// measurement for describing font size, defined as 72 points per inch. +// stb_truetype provides a point API for compatibility. However, true +// "per inch" conventions don't make much sense on computer displays +// since different monitors have different number of pixels per +// inch. For example, Windows traditionally uses a convention that +// there are 96 pixels per inch, thus making 'inch' measurements have +// nothing to do with inches, and thus effectively defining a point to +// be 1.333 pixels. Additionally, the TrueType font data provides +// an explicit scale factor to scale a given font's glyphs to points, +// but the author has observed that this scale factor is often wrong +// for non-commercial fonts, thus making fonts scaled in points +// according to the TrueType spec incoherently sized in practice. +// +// DETAILED USAGE: +// +// Scale: +// Select how high you want the font to be, in points or pixels. +// Call ScaleForPixelHeight or ScaleForMappingEmToPixels to compute +// a scale factor SF that will be used by all other functions. +// +// Baseline: +// You need to select a y-coordinate that is the baseline of where +// your text will appear. Call GetFontBoundingBox to get the baseline-relative +// bounding box for all characters. SF*-y0 will be the distance in pixels +// that the worst-case character could extend above the baseline, so if +// you want the top edge of characters to appear at the top of the +// screen where y=0, then you would set the baseline to SF*-y0. +// +// Current point: +// Set the current point where the first character will appear. The +// first character could extend left of the current point; this is font +// dependent. You can either choose a current point that is the leftmost +// point and hope, or add some padding, or check the bounding box or +// left-side-bearing of the first character to be displayed and set +// the current point based on that. +// +// Displaying a character: +// Compute the bounding box of the character. It will contain signed values +// relative to . I.e. if it returns x0,y0,x1,y1, +// then the character should be displayed in the rectangle from +// to = 32 && *text < 128) { + stbtt_aligned_quad q; + stbtt_GetBakedQuad(cdata, 512,512, *text-32, &x,&y,&q,1);//1=opengl & d3d10+,0=d3d9 + glTexCoord2f(q.s0,q.t1); glVertex2f(q.x0,q.y0); + glTexCoord2f(q.s1,q.t1); glVertex2f(q.x1,q.y0); + glTexCoord2f(q.s1,q.t0); glVertex2f(q.x1,q.y1); + glTexCoord2f(q.s0,q.t0); glVertex2f(q.x0,q.y1); + } + ++text; + } + glEnd(); +} +#endif +// +// +////////////////////////////////////////////////////////////////////////////// +// +// Complete program (this compiles): get a single bitmap, print as ASCII art +// +#if 0 +#include +#define STB_TRUETYPE_IMPLEMENTATION // force following include to generate implementation +#include "stb_truetype.h" + +char ttf_buffer[1<<25]; + +int main(int argc, char **argv) +{ + stbtt_fontinfo font; + unsigned char *bitmap; + int w,h,i,j,c = (argc > 1 ? atoi(argv[1]) : 'a'), s = (argc > 2 ? atoi(argv[2]) : 20); + + fread(ttf_buffer, 1, 1<<25, fopen(argc > 3 ? argv[3] : "c:/windows/fonts/arialbd.ttf", "rb")); + + stbtt_InitFont(&font, ttf_buffer, stbtt_GetFontOffsetForIndex(ttf_buffer,0)); + bitmap = stbtt_GetCodepointBitmap(&font, 0,stbtt_ScaleForPixelHeight(&font, s), c, &w, &h, 0,0); + + for (j=0; j < h; ++j) { + for (i=0; i < w; ++i) + putchar(" .:ioVM@"[bitmap[j*w+i]>>5]); + putchar('\n'); + } + return 0; +} +#endif +// +// Output: +// +// .ii. +// @@@@@@. +// V@Mio@@o +// :i. V@V +// :oM@@M +// :@@@MM@M +// @@o o@M +// :@@. M@M +// @@@o@@@@ +// :M@@V:@@. +// +////////////////////////////////////////////////////////////////////////////// +// +// Complete program: print "Hello World!" banner, with bugs +// +#if 0 +char buffer[24<<20]; +unsigned char screen[20][79]; + +int main(int arg, char **argv) +{ + stbtt_fontinfo font; + int i,j,ascent,baseline,ch=0; + float scale, xpos=2; // leave a little padding in case the character extends left + char *text = "Heljo World!"; // intentionally misspelled to show 'lj' brokenness + + fread(buffer, 1, 1000000, fopen("c:/windows/fonts/arialbd.ttf", "rb")); + stbtt_InitFont(&font, buffer, 0); + + scale = stbtt_ScaleForPixelHeight(&font, 15); + stbtt_GetFontVMetrics(&font, &ascent,0,0); + baseline = (int) (ascent*scale); + + while (text[ch]) { + int advance,lsb,x0,y0,x1,y1; + float x_shift = xpos - (float) floor(xpos); + stbtt_GetCodepointHMetrics(&font, text[ch], &advance, &lsb); + stbtt_GetCodepointBitmapBoxSubpixel(&font, text[ch], scale,scale,x_shift,0, &x0,&y0,&x1,&y1); + stbtt_MakeCodepointBitmapSubpixel(&font, &screen[baseline + y0][(int) xpos + x0], x1-x0,y1-y0, 79, scale,scale,x_shift,0, text[ch]); + // note that this stomps the old data, so where character boxes overlap (e.g. 'lj') it's wrong + // because this API is really for baking character bitmaps into textures. if you want to render + // a sequence of characters, you really need to render each bitmap to a temp buffer, then + // "alpha blend" that into the working buffer + xpos += (advance * scale); + if (text[ch+1]) + xpos += scale*stbtt_GetCodepointKernAdvance(&font, text[ch],text[ch+1]); + ++ch; + } + + for (j=0; j < 20; ++j) { + for (i=0; i < 78; ++i) + putchar(" .:ioVM@"[screen[j][i]>>5]); + putchar('\n'); + } + + return 0; +} +#endif + + +////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////// +//// +//// INTEGRATION WITH YOUR CODEBASE +//// +//// The following sections allow you to supply alternate definitions +//// of C library functions used by stb_truetype, e.g. if you don't +//// link with the C runtime library. + +#ifdef STB_TRUETYPE_IMPLEMENTATION + // #define your own (u)stbtt_int8/16/32 before including to override this + #ifndef stbtt_uint8 + typedef unsigned char stbtt_uint8; + typedef signed char stbtt_int8; + typedef unsigned short stbtt_uint16; + typedef signed short stbtt_int16; + typedef unsigned int stbtt_uint32; + typedef signed int stbtt_int32; + #endif + + typedef char stbtt__check_size32[sizeof(stbtt_int32)==4 ? 1 : -1]; + typedef char stbtt__check_size16[sizeof(stbtt_int16)==2 ? 1 : -1]; + + // e.g. #define your own STBTT_ifloor/STBTT_iceil() to avoid math.h + #ifndef STBTT_ifloor + #include + #define STBTT_ifloor(x) ((int) floor(x)) + #define STBTT_iceil(x) ((int) ceil(x)) + #endif + + #ifndef STBTT_sqrt + #include + #define STBTT_sqrt(x) sqrt(x) + #define STBTT_pow(x,y) pow(x,y) + #endif + + #ifndef STBTT_fmod + #include + #define STBTT_fmod(x,y) fmod(x,y) + #endif + + #ifndef STBTT_cos + #include + #define STBTT_cos(x) cos(x) + #define STBTT_acos(x) acos(x) + #endif + + #ifndef STBTT_fabs + #include + #define STBTT_fabs(x) fabs(x) + #endif + + // #define your own functions "STBTT_malloc" / "STBTT_free" to avoid malloc.h + #ifndef STBTT_malloc + #include + #define STBTT_malloc(x,u) ((void)(u),malloc(x)) + #define STBTT_free(x,u) ((void)(u),free(x)) + #endif + + #ifndef STBTT_assert + #include + #define STBTT_assert(x) assert(x) + #endif + + #ifndef STBTT_strlen + #include + #define STBTT_strlen(x) strlen(x) + #endif + + #ifndef STBTT_memcpy + #include + #define STBTT_memcpy memcpy + #define STBTT_memset memset + #endif +#endif + +/////////////////////////////////////////////////////////////////////////////// +/////////////////////////////////////////////////////////////////////////////// +//// +//// INTERFACE +//// +//// + +#ifndef __STB_INCLUDE_STB_TRUETYPE_H__ +#define __STB_INCLUDE_STB_TRUETYPE_H__ + +#ifdef STBTT_STATIC +#define STBTT_DEF static +#else +#define STBTT_DEF extern +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +// private structure +typedef struct +{ + unsigned char *data; + int cursor; + int size; +} stbtt__buf; + +////////////////////////////////////////////////////////////////////////////// +// +// TEXTURE BAKING API +// +// If you use this API, you only have to call two functions ever. +// + +typedef struct +{ + unsigned short x0,y0,x1,y1; // coordinates of bbox in bitmap + float xoff,yoff,xadvance; +} stbtt_bakedchar; + +STBTT_DEF int stbtt_BakeFontBitmap(const unsigned char *data, int offset, // font location (use offset=0 for plain .ttf) + float pixel_height, // height of font in pixels + unsigned char *pixels, int pw, int ph, // bitmap to be filled in + int first_char, int num_chars, // characters to bake + stbtt_bakedchar *chardata); // you allocate this, it's num_chars long +// if return is positive, the first unused row of the bitmap +// if return is negative, returns the negative of the number of characters that fit +// if return is 0, no characters fit and no rows were used +// This uses a very crappy packing. + +typedef struct +{ + float x0,y0,s0,t0; // top-left + float x1,y1,s1,t1; // bottom-right +} stbtt_aligned_quad; + +STBTT_DEF void stbtt_GetBakedQuad(const stbtt_bakedchar *chardata, int pw, int ph, // same data as above + int char_index, // character to display + float *xpos, float *ypos, // pointers to current position in screen pixel space + stbtt_aligned_quad *q, // output: quad to draw + int opengl_fillrule); // true if opengl fill rule; false if DX9 or earlier +// Call GetBakedQuad with char_index = 'character - first_char', and it +// creates the quad you need to draw and advances the current position. +// +// The coordinate system used assumes y increases downwards. +// +// Characters will extend both above and below the current position; +// see discussion of "BASELINE" above. +// +// It's inefficient; you might want to c&p it and optimize it. + +STBTT_DEF void stbtt_GetScaledFontVMetrics(const unsigned char *fontdata, int index, float size, float *ascent, float *descent, float *lineGap); +// Query the font vertical metrics without having to create a font first. + + +////////////////////////////////////////////////////////////////////////////// +// +// NEW TEXTURE BAKING API +// +// This provides options for packing multiple fonts into one atlas, not +// perfectly but better than nothing. + +typedef struct +{ + unsigned short x0,y0,x1,y1; // coordinates of bbox in bitmap + float xoff,yoff,xadvance; + float xoff2,yoff2; +} stbtt_packedchar; + +typedef struct stbtt_pack_context stbtt_pack_context; +typedef struct stbtt_fontinfo stbtt_fontinfo; +#ifndef STB_RECT_PACK_VERSION +typedef struct stbrp_rect stbrp_rect; +#endif + +STBTT_DEF int stbtt_PackBegin(stbtt_pack_context *spc, unsigned char *pixels, int width, int height, int stride_in_bytes, int padding, void *alloc_context); +// Initializes a packing context stored in the passed-in stbtt_pack_context. +// Future calls using this context will pack characters into the bitmap passed +// in here: a 1-channel bitmap that is width * height. stride_in_bytes is +// the distance from one row to the next (or 0 to mean they are packed tightly +// together). "padding" is the amount of padding to leave between each +// character (normally you want '1' for bitmaps you'll use as textures with +// bilinear filtering). +// +// Returns 0 on failure, 1 on success. + +STBTT_DEF void stbtt_PackEnd (stbtt_pack_context *spc); +// Cleans up the packing context and frees all memory. + +#define STBTT_POINT_SIZE(x) (-(x)) + +STBTT_DEF int stbtt_PackFontRange(stbtt_pack_context *spc, const unsigned char *fontdata, int font_index, float font_size, + int first_unicode_char_in_range, int num_chars_in_range, stbtt_packedchar *chardata_for_range); +// Creates character bitmaps from the font_index'th font found in fontdata (use +// font_index=0 if you don't know what that is). It creates num_chars_in_range +// bitmaps for characters with unicode values starting at first_unicode_char_in_range +// and increasing. Data for how to render them is stored in chardata_for_range; +// pass these to stbtt_GetPackedQuad to get back renderable quads. +// +// font_size is the full height of the character from ascender to descender, +// as computed by stbtt_ScaleForPixelHeight. To use a point size as computed +// by stbtt_ScaleForMappingEmToPixels, wrap the point size in STBTT_POINT_SIZE() +// and pass that result as 'font_size': +// ..., 20 , ... // font max minus min y is 20 pixels tall +// ..., STBTT_POINT_SIZE(20), ... // 'M' is 20 pixels tall + +typedef struct +{ + float font_size; + int first_unicode_codepoint_in_range; // if non-zero, then the chars are continuous, and this is the first codepoint + int *array_of_unicode_codepoints; // if non-zero, then this is an array of unicode codepoints + int num_chars; + stbtt_packedchar *chardata_for_range; // output + unsigned char h_oversample, v_oversample; // don't set these, they're used internally +} stbtt_pack_range; + +STBTT_DEF int stbtt_PackFontRanges(stbtt_pack_context *spc, const unsigned char *fontdata, int font_index, stbtt_pack_range *ranges, int num_ranges); +// Creates character bitmaps from multiple ranges of characters stored in +// ranges. This will usually create a better-packed bitmap than multiple +// calls to stbtt_PackFontRange. Note that you can call this multiple +// times within a single PackBegin/PackEnd. + +STBTT_DEF void stbtt_PackSetOversampling(stbtt_pack_context *spc, unsigned int h_oversample, unsigned int v_oversample); +// Oversampling a font increases the quality by allowing higher-quality subpixel +// positioning, and is especially valuable at smaller text sizes. +// +// This function sets the amount of oversampling for all following calls to +// stbtt_PackFontRange(s) or stbtt_PackFontRangesGatherRects for a given +// pack context. The default (no oversampling) is achieved by h_oversample=1 +// and v_oversample=1. The total number of pixels required is +// h_oversample*v_oversample larger than the default; for example, 2x2 +// oversampling requires 4x the storage of 1x1. For best results, render +// oversampled textures with bilinear filtering. Look at the readme in +// stb/tests/oversample for information about oversampled fonts +// +// To use with PackFontRangesGather etc., you must set it before calls +// call to PackFontRangesGatherRects. + +STBTT_DEF void stbtt_PackSetSkipMissingCodepoints(stbtt_pack_context *spc, int skip); +// If skip != 0, this tells stb_truetype to skip any codepoints for which +// there is no corresponding glyph. If skip=0, which is the default, then +// codepoints without a glyph recived the font's "missing character" glyph, +// typically an empty box by convention. + +STBTT_DEF void stbtt_GetPackedQuad(const stbtt_packedchar *chardata, int pw, int ph, // same data as above + int char_index, // character to display + float *xpos, float *ypos, // pointers to current position in screen pixel space + stbtt_aligned_quad *q, // output: quad to draw + int align_to_integer); + +STBTT_DEF int stbtt_PackFontRangesGatherRects(stbtt_pack_context *spc, const stbtt_fontinfo *info, stbtt_pack_range *ranges, int num_ranges, stbrp_rect *rects); +STBTT_DEF void stbtt_PackFontRangesPackRects(stbtt_pack_context *spc, stbrp_rect *rects, int num_rects); +STBTT_DEF int stbtt_PackFontRangesRenderIntoRects(stbtt_pack_context *spc, const stbtt_fontinfo *info, stbtt_pack_range *ranges, int num_ranges, stbrp_rect *rects); +// Calling these functions in sequence is roughly equivalent to calling +// stbtt_PackFontRanges(). If you more control over the packing of multiple +// fonts, or if you want to pack custom data into a font texture, take a look +// at the source to of stbtt_PackFontRanges() and create a custom version +// using these functions, e.g. call GatherRects multiple times, +// building up a single array of rects, then call PackRects once, +// then call RenderIntoRects repeatedly. This may result in a +// better packing than calling PackFontRanges multiple times +// (or it may not). + +// this is an opaque structure that you shouldn't mess with which holds +// all the context needed from PackBegin to PackEnd. +struct stbtt_pack_context { + void *user_allocator_context; + void *pack_info; + int width; + int height; + int stride_in_bytes; + int padding; + int skip_missing; + unsigned int h_oversample, v_oversample; + unsigned char *pixels; + void *nodes; +}; + +////////////////////////////////////////////////////////////////////////////// +// +// FONT LOADING +// +// + +STBTT_DEF int stbtt_GetNumberOfFonts(const unsigned char *data); +// This function will determine the number of fonts in a font file. TrueType +// collection (.ttc) files may contain multiple fonts, while TrueType font +// (.ttf) files only contain one font. The number of fonts can be used for +// indexing with the previous function where the index is between zero and one +// less than the total fonts. If an error occurs, -1 is returned. + +STBTT_DEF int stbtt_GetFontOffsetForIndex(const unsigned char *data, int index); +// Each .ttf/.ttc file may have more than one font. Each font has a sequential +// index number starting from 0. Call this function to get the font offset for +// a given index; it returns -1 if the index is out of range. A regular .ttf +// file will only define one font and it always be at offset 0, so it will +// return '0' for index 0, and -1 for all other indices. + +// The following structure is defined publicly so you can declare one on +// the stack or as a global or etc, but you should treat it as opaque. +struct stbtt_fontinfo +{ + void * userdata; + unsigned char * data; // pointer to .ttf file + int fontstart; // offset of start of font + + int numGlyphs; // number of glyphs, needed for range checking + + int loca,head,glyf,hhea,hmtx,kern,gpos; // table locations as offset from start of .ttf + int index_map; // a cmap mapping for our chosen character encoding + int indexToLocFormat; // format needed to map from glyph index to glyph + + stbtt__buf cff; // cff font data + stbtt__buf charstrings; // the charstring index + stbtt__buf gsubrs; // global charstring subroutines index + stbtt__buf subrs; // private charstring subroutines index + stbtt__buf fontdicts; // array of font dicts + stbtt__buf fdselect; // map from glyph to fontdict +}; + +STBTT_DEF int stbtt_InitFont(stbtt_fontinfo *info, const unsigned char *data, int offset); +// Given an offset into the file that defines a font, this function builds +// the necessary cached info for the rest of the system. You must allocate +// the stbtt_fontinfo yourself, and stbtt_InitFont will fill it out. You don't +// need to do anything special to free it, because the contents are pure +// value data with no additional data structures. Returns 0 on failure. + + +////////////////////////////////////////////////////////////////////////////// +// +// CHARACTER TO GLYPH-INDEX CONVERSIOn + +STBTT_DEF int stbtt_FindGlyphIndex(const stbtt_fontinfo *info, int unicode_codepoint); +// If you're going to perform multiple operations on the same character +// and you want a speed-up, call this function with the character you're +// going to process, then use glyph-based functions instead of the +// codepoint-based functions. +// Returns 0 if the character codepoint is not defined in the font. + + +////////////////////////////////////////////////////////////////////////////// +// +// CHARACTER PROPERTIES +// + +STBTT_DEF float stbtt_ScaleForPixelHeight(const stbtt_fontinfo *info, float pixels); +// computes a scale factor to produce a font whose "height" is 'pixels' tall. +// Height is measured as the distance from the highest ascender to the lowest +// descender; in other words, it's equivalent to calling stbtt_GetFontVMetrics +// and computing: +// scale = pixels / (ascent - descent) +// so if you prefer to measure height by the ascent only, use a similar calculation. + +STBTT_DEF float stbtt_ScaleForMappingEmToPixels(const stbtt_fontinfo *info, float pixels); +// computes a scale factor to produce a font whose EM size is mapped to +// 'pixels' tall. This is probably what traditional APIs compute, but +// I'm not positive. + +STBTT_DEF void stbtt_GetFontVMetrics(const stbtt_fontinfo *info, int *ascent, int *descent, int *lineGap); +// ascent is the coordinate above the baseline the font extends; descent +// is the coordinate below the baseline the font extends (i.e. it is typically negative) +// lineGap is the spacing between one row's descent and the next row's ascent... +// so you should advance the vertical position by "*ascent - *descent + *lineGap" +// these are expressed in unscaled coordinates, so you must multiply by +// the scale factor for a given size + +STBTT_DEF int stbtt_GetFontVMetricsOS2(const stbtt_fontinfo *info, int *typoAscent, int *typoDescent, int *typoLineGap); +// analogous to GetFontVMetrics, but returns the "typographic" values from the OS/2 +// table (specific to MS/Windows TTF files). +// +// Returns 1 on success (table present), 0 on failure. + +STBTT_DEF void stbtt_GetFontBoundingBox(const stbtt_fontinfo *info, int *x0, int *y0, int *x1, int *y1); +// the bounding box around all possible characters + +STBTT_DEF void stbtt_GetCodepointHMetrics(const stbtt_fontinfo *info, int codepoint, int *advanceWidth, int *leftSideBearing); +// leftSideBearing is the offset from the current horizontal position to the left edge of the character +// advanceWidth is the offset from the current horizontal position to the next horizontal position +// these are expressed in unscaled coordinates + +STBTT_DEF int stbtt_GetCodepointKernAdvance(const stbtt_fontinfo *info, int ch1, int ch2); +// an additional amount to add to the 'advance' value between ch1 and ch2 + +STBTT_DEF int stbtt_GetCodepointBox(const stbtt_fontinfo *info, int codepoint, int *x0, int *y0, int *x1, int *y1); +// Gets the bounding box of the visible part of the glyph, in unscaled coordinates + +STBTT_DEF void stbtt_GetGlyphHMetrics(const stbtt_fontinfo *info, int glyph_index, int *advanceWidth, int *leftSideBearing); +STBTT_DEF int stbtt_GetGlyphKernAdvance(const stbtt_fontinfo *info, int glyph1, int glyph2); +STBTT_DEF int stbtt_GetGlyphBox(const stbtt_fontinfo *info, int glyph_index, int *x0, int *y0, int *x1, int *y1); +// as above, but takes one or more glyph indices for greater efficiency + + +////////////////////////////////////////////////////////////////////////////// +// +// GLYPH SHAPES (you probably don't need these, but they have to go before +// the bitmaps for C declaration-order reasons) +// + +#ifndef STBTT_vmove // you can predefine these to use different values (but why?) + enum { + STBTT_vmove=1, + STBTT_vline, + STBTT_vcurve, + STBTT_vcubic + }; +#endif + +#ifndef stbtt_vertex // you can predefine this to use different values + // (we share this with other code at RAD) + #define stbtt_vertex_type short // can't use stbtt_int16 because that's not visible in the header file + typedef struct + { + stbtt_vertex_type x,y,cx,cy,cx1,cy1; + unsigned char type,padding; + } stbtt_vertex; +#endif + +STBTT_DEF int stbtt_IsGlyphEmpty(const stbtt_fontinfo *info, int glyph_index); +// returns non-zero if nothing is drawn for this glyph + +STBTT_DEF int stbtt_GetCodepointShape(const stbtt_fontinfo *info, int unicode_codepoint, stbtt_vertex **vertices); +STBTT_DEF int stbtt_GetGlyphShape(const stbtt_fontinfo *info, int glyph_index, stbtt_vertex **vertices); +// returns # of vertices and fills *vertices with the pointer to them +// these are expressed in "unscaled" coordinates +// +// The shape is a series of contours. Each one starts with +// a STBTT_moveto, then consists of a series of mixed +// STBTT_lineto and STBTT_curveto segments. A lineto +// draws a line from previous endpoint to its x,y; a curveto +// draws a quadratic bezier from previous endpoint to +// its x,y, using cx,cy as the bezier control point. + +STBTT_DEF void stbtt_FreeShape(const stbtt_fontinfo *info, stbtt_vertex *vertices); +// frees the data allocated above + +////////////////////////////////////////////////////////////////////////////// +// +// BITMAP RENDERING +// + +STBTT_DEF void stbtt_FreeBitmap(unsigned char *bitmap, void *userdata); +// frees the bitmap allocated below + +STBTT_DEF unsigned char *stbtt_GetCodepointBitmap(const stbtt_fontinfo *info, float scale_x, float scale_y, int codepoint, int *width, int *height, int *xoff, int *yoff); +// allocates a large-enough single-channel 8bpp bitmap and renders the +// specified character/glyph at the specified scale into it, with +// antialiasing. 0 is no coverage (transparent), 255 is fully covered (opaque). +// *width & *height are filled out with the width & height of the bitmap, +// which is stored left-to-right, top-to-bottom. +// +// xoff/yoff are the offset it pixel space from the glyph origin to the top-left of the bitmap + +STBTT_DEF unsigned char *stbtt_GetCodepointBitmapSubpixel(const stbtt_fontinfo *info, float scale_x, float scale_y, float shift_x, float shift_y, int codepoint, int *width, int *height, int *xoff, int *yoff); +// the same as stbtt_GetCodepoitnBitmap, but you can specify a subpixel +// shift for the character + +STBTT_DEF void stbtt_MakeCodepointBitmap(const stbtt_fontinfo *info, unsigned char *output, int out_w, int out_h, int out_stride, float scale_x, float scale_y, int codepoint); +// the same as stbtt_GetCodepointBitmap, but you pass in storage for the bitmap +// in the form of 'output', with row spacing of 'out_stride' bytes. the bitmap +// is clipped to out_w/out_h bytes. Call stbtt_GetCodepointBitmapBox to get the +// width and height and positioning info for it first. + +STBTT_DEF void stbtt_MakeCodepointBitmapSubpixel(const stbtt_fontinfo *info, unsigned char *output, int out_w, int out_h, int out_stride, float scale_x, float scale_y, float shift_x, float shift_y, int codepoint); +// same as stbtt_MakeCodepointBitmap, but you can specify a subpixel +// shift for the character + +STBTT_DEF void stbtt_MakeCodepointBitmapSubpixelPrefilter(const stbtt_fontinfo *info, unsigned char *output, int out_w, int out_h, int out_stride, float scale_x, float scale_y, float shift_x, float shift_y, int oversample_x, int oversample_y, float *sub_x, float *sub_y, int codepoint); +// same as stbtt_MakeCodepointBitmapSubpixel, but prefiltering +// is performed (see stbtt_PackSetOversampling) + +STBTT_DEF void stbtt_GetCodepointBitmapBox(const stbtt_fontinfo *font, int codepoint, float scale_x, float scale_y, int *ix0, int *iy0, int *ix1, int *iy1); +// get the bbox of the bitmap centered around the glyph origin; so the +// bitmap width is ix1-ix0, height is iy1-iy0, and location to place +// the bitmap top left is (leftSideBearing*scale,iy0). +// (Note that the bitmap uses y-increases-down, but the shape uses +// y-increases-up, so CodepointBitmapBox and CodepointBox are inverted.) + +STBTT_DEF void stbtt_GetCodepointBitmapBoxSubpixel(const stbtt_fontinfo *font, int codepoint, float scale_x, float scale_y, float shift_x, float shift_y, int *ix0, int *iy0, int *ix1, int *iy1); +// same as stbtt_GetCodepointBitmapBox, but you can specify a subpixel +// shift for the character + +// the following functions are equivalent to the above functions, but operate +// on glyph indices instead of Unicode codepoints (for efficiency) +STBTT_DEF unsigned char *stbtt_GetGlyphBitmap(const stbtt_fontinfo *info, float scale_x, float scale_y, int glyph, int *width, int *height, int *xoff, int *yoff); +STBTT_DEF unsigned char *stbtt_GetGlyphBitmapSubpixel(const stbtt_fontinfo *info, float scale_x, float scale_y, float shift_x, float shift_y, int glyph, int *width, int *height, int *xoff, int *yoff); +STBTT_DEF void stbtt_MakeGlyphBitmap(const stbtt_fontinfo *info, unsigned char *output, int out_w, int out_h, int out_stride, float scale_x, float scale_y, int glyph); +STBTT_DEF void stbtt_MakeGlyphBitmapSubpixel(const stbtt_fontinfo *info, unsigned char *output, int out_w, int out_h, int out_stride, float scale_x, float scale_y, float shift_x, float shift_y, int glyph); +STBTT_DEF void stbtt_MakeGlyphBitmapSubpixelPrefilter(const stbtt_fontinfo *info, unsigned char *output, int out_w, int out_h, int out_stride, float scale_x, float scale_y, float shift_x, float shift_y, int oversample_x, int oversample_y, float *sub_x, float *sub_y, int glyph); +STBTT_DEF void stbtt_GetGlyphBitmapBox(const stbtt_fontinfo *font, int glyph, float scale_x, float scale_y, int *ix0, int *iy0, int *ix1, int *iy1); +STBTT_DEF void stbtt_GetGlyphBitmapBoxSubpixel(const stbtt_fontinfo *font, int glyph, float scale_x, float scale_y,float shift_x, float shift_y, int *ix0, int *iy0, int *ix1, int *iy1); + + +// @TODO: don't expose this structure +typedef struct +{ + int w,h,stride; + unsigned char *pixels; +} stbtt__bitmap; + +// rasterize a shape with quadratic beziers into a bitmap +STBTT_DEF void stbtt_Rasterize(stbtt__bitmap *result, // 1-channel bitmap to draw into + float flatness_in_pixels, // allowable error of curve in pixels + stbtt_vertex *vertices, // array of vertices defining shape + int num_verts, // number of vertices in above array + float scale_x, float scale_y, // scale applied to input vertices + float shift_x, float shift_y, // translation applied to input vertices + int x_off, int y_off, // another translation applied to input + int invert, // if non-zero, vertically flip shape + void *userdata); // context for to STBTT_MALLOC + +////////////////////////////////////////////////////////////////////////////// +// +// Signed Distance Function (or Field) rendering + +STBTT_DEF void stbtt_FreeSDF(unsigned char *bitmap, void *userdata); +// frees the SDF bitmap allocated below + +STBTT_DEF unsigned char * stbtt_GetGlyphSDF(const stbtt_fontinfo *info, float scale, int glyph, int padding, unsigned char onedge_value, float pixel_dist_scale, int *width, int *height, int *xoff, int *yoff); +STBTT_DEF unsigned char * stbtt_GetCodepointSDF(const stbtt_fontinfo *info, float scale, int codepoint, int padding, unsigned char onedge_value, float pixel_dist_scale, int *width, int *height, int *xoff, int *yoff); +// These functions compute a discretized SDF field for a single character, suitable for storing +// in a single-channel texture, sampling with bilinear filtering, and testing against +// larger than some threshold to produce scalable fonts. +// info -- the font +// scale -- controls the size of the resulting SDF bitmap, same as it would be creating a regular bitmap +// glyph/codepoint -- the character to generate the SDF for +// padding -- extra "pixels" around the character which are filled with the distance to the character (not 0), +// which allows effects like bit outlines +// onedge_value -- value 0-255 to test the SDF against to reconstruct the character (i.e. the isocontour of the character) +// pixel_dist_scale -- what value the SDF should increase by when moving one SDF "pixel" away from the edge (on the 0..255 scale) +// if positive, > onedge_value is inside; if negative, < onedge_value is inside +// width,height -- output height & width of the SDF bitmap (including padding) +// xoff,yoff -- output origin of the character +// return value -- a 2D array of bytes 0..255, width*height in size +// +// pixel_dist_scale & onedge_value are a scale & bias that allows you to make +// optimal use of the limited 0..255 for your application, trading off precision +// and special effects. SDF values outside the range 0..255 are clamped to 0..255. +// +// Example: +// scale = stbtt_ScaleForPixelHeight(22) +// padding = 5 +// onedge_value = 180 +// pixel_dist_scale = 180/5.0 = 36.0 +// +// This will create an SDF bitmap in which the character is about 22 pixels +// high but the whole bitmap is about 22+5+5=32 pixels high. To produce a filled +// shape, sample the SDF at each pixel and fill the pixel if the SDF value +// is greater than or equal to 180/255. (You'll actually want to antialias, +// which is beyond the scope of this example.) Additionally, you can compute +// offset outlines (e.g. to stroke the character border inside & outside, +// or only outside). For example, to fill outside the character up to 3 SDF +// pixels, you would compare against (180-36.0*3)/255 = 72/255. The above +// choice of variables maps a range from 5 pixels outside the shape to +// 2 pixels inside the shape to 0..255; this is intended primarily for apply +// outside effects only (the interior range is needed to allow proper +// antialiasing of the font at *smaller* sizes) +// +// The function computes the SDF analytically at each SDF pixel, not by e.g. +// building a higher-res bitmap and approximating it. In theory the quality +// should be as high as possible for an SDF of this size & representation, but +// unclear if this is true in practice (perhaps building a higher-res bitmap +// and computing from that can allow drop-out prevention). +// +// The algorithm has not been optimized at all, so expect it to be slow +// if computing lots of characters or very large sizes. + + + +////////////////////////////////////////////////////////////////////////////// +// +// Finding the right font... +// +// You should really just solve this offline, keep your own tables +// of what font is what, and don't try to get it out of the .ttf file. +// That's because getting it out of the .ttf file is really hard, because +// the names in the file can appear in many possible encodings, in many +// possible languages, and e.g. if you need a case-insensitive comparison, +// the details of that depend on the encoding & language in a complex way +// (actually underspecified in truetype, but also gigantic). +// +// But you can use the provided functions in two possible ways: +// stbtt_FindMatchingFont() will use *case-sensitive* comparisons on +// unicode-encoded names to try to find the font you want; +// you can run this before calling stbtt_InitFont() +// +// stbtt_GetFontNameString() lets you get any of the various strings +// from the file yourself and do your own comparisons on them. +// You have to have called stbtt_InitFont() first. + + +STBTT_DEF int stbtt_FindMatchingFont(const unsigned char *fontdata, const char *name, int flags); +// returns the offset (not index) of the font that matches, or -1 if none +// if you use STBTT_MACSTYLE_DONTCARE, use a font name like "Arial Bold". +// if you use any other flag, use a font name like "Arial"; this checks +// the 'macStyle' header field; i don't know if fonts set this consistently +#define STBTT_MACSTYLE_DONTCARE 0 +#define STBTT_MACSTYLE_BOLD 1 +#define STBTT_MACSTYLE_ITALIC 2 +#define STBTT_MACSTYLE_UNDERSCORE 4 +#define STBTT_MACSTYLE_NONE 8 // <= not same as 0, this makes us check the bitfield is 0 + +STBTT_DEF int stbtt_CompareUTF8toUTF16_bigendian(const char *s1, int len1, const char *s2, int len2); +// returns 1/0 whether the first string interpreted as utf8 is identical to +// the second string interpreted as big-endian utf16... useful for strings from next func + +STBTT_DEF const char *stbtt_GetFontNameString(const stbtt_fontinfo *font, int *length, int platformID, int encodingID, int languageID, int nameID); +// returns the string (which may be big-endian double byte, e.g. for unicode) +// and puts the length in bytes in *length. +// +// some of the values for the IDs are below; for more see the truetype spec: +// http://developer.apple.com/textfonts/TTRefMan/RM06/Chap6name.html +// http://www.microsoft.com/typography/otspec/name.htm + +enum { // platformID + STBTT_PLATFORM_ID_UNICODE =0, + STBTT_PLATFORM_ID_MAC =1, + STBTT_PLATFORM_ID_ISO =2, + STBTT_PLATFORM_ID_MICROSOFT =3 +}; + +enum { // encodingID for STBTT_PLATFORM_ID_UNICODE + STBTT_UNICODE_EID_UNICODE_1_0 =0, + STBTT_UNICODE_EID_UNICODE_1_1 =1, + STBTT_UNICODE_EID_ISO_10646 =2, + STBTT_UNICODE_EID_UNICODE_2_0_BMP=3, + STBTT_UNICODE_EID_UNICODE_2_0_FULL=4 +}; + +enum { // encodingID for STBTT_PLATFORM_ID_MICROSOFT + STBTT_MS_EID_SYMBOL =0, + STBTT_MS_EID_UNICODE_BMP =1, + STBTT_MS_EID_SHIFTJIS =2, + STBTT_MS_EID_UNICODE_FULL =10 +}; + +enum { // encodingID for STBTT_PLATFORM_ID_MAC; same as Script Manager codes + STBTT_MAC_EID_ROMAN =0, STBTT_MAC_EID_ARABIC =4, + STBTT_MAC_EID_JAPANESE =1, STBTT_MAC_EID_HEBREW =5, + STBTT_MAC_EID_CHINESE_TRAD =2, STBTT_MAC_EID_GREEK =6, + STBTT_MAC_EID_KOREAN =3, STBTT_MAC_EID_RUSSIAN =7 +}; + +enum { // languageID for STBTT_PLATFORM_ID_MICROSOFT; same as LCID... + // problematic because there are e.g. 16 english LCIDs and 16 arabic LCIDs + STBTT_MS_LANG_ENGLISH =0x0409, STBTT_MS_LANG_ITALIAN =0x0410, + STBTT_MS_LANG_CHINESE =0x0804, STBTT_MS_LANG_JAPANESE =0x0411, + STBTT_MS_LANG_DUTCH =0x0413, STBTT_MS_LANG_KOREAN =0x0412, + STBTT_MS_LANG_FRENCH =0x040c, STBTT_MS_LANG_RUSSIAN =0x0419, + STBTT_MS_LANG_GERMAN =0x0407, STBTT_MS_LANG_SPANISH =0x0409, + STBTT_MS_LANG_HEBREW =0x040d, STBTT_MS_LANG_SWEDISH =0x041D +}; + +enum { // languageID for STBTT_PLATFORM_ID_MAC + STBTT_MAC_LANG_ENGLISH =0 , STBTT_MAC_LANG_JAPANESE =11, + STBTT_MAC_LANG_ARABIC =12, STBTT_MAC_LANG_KOREAN =23, + STBTT_MAC_LANG_DUTCH =4 , STBTT_MAC_LANG_RUSSIAN =32, + STBTT_MAC_LANG_FRENCH =1 , STBTT_MAC_LANG_SPANISH =6 , + STBTT_MAC_LANG_GERMAN =2 , STBTT_MAC_LANG_SWEDISH =5 , + STBTT_MAC_LANG_HEBREW =10, STBTT_MAC_LANG_CHINESE_SIMPLIFIED =33, + STBTT_MAC_LANG_ITALIAN =3 , STBTT_MAC_LANG_CHINESE_TRAD =19 +}; + +#ifdef __cplusplus +} +#endif + +#endif // __STB_INCLUDE_STB_TRUETYPE_H__ + +/////////////////////////////////////////////////////////////////////////////// +/////////////////////////////////////////////////////////////////////////////// +//// +//// IMPLEMENTATION +//// +//// + +#ifdef STB_TRUETYPE_IMPLEMENTATION + +#ifndef STBTT_MAX_OVERSAMPLE +#define STBTT_MAX_OVERSAMPLE 8 +#endif + +#if STBTT_MAX_OVERSAMPLE > 255 +#error "STBTT_MAX_OVERSAMPLE cannot be > 255" +#endif + +typedef int stbtt__test_oversample_pow2[(STBTT_MAX_OVERSAMPLE & (STBTT_MAX_OVERSAMPLE-1)) == 0 ? 1 : -1]; + +#ifndef STBTT_RASTERIZER_VERSION +#define STBTT_RASTERIZER_VERSION 2 +#endif + +#ifdef _MSC_VER +#define STBTT__NOTUSED(v) (void)(v) +#else +#define STBTT__NOTUSED(v) (void)sizeof(v) +#endif + +////////////////////////////////////////////////////////////////////////// +// +// stbtt__buf helpers to parse data from file +// + +static stbtt_uint8 stbtt__buf_get8(stbtt__buf *b) +{ + if (b->cursor >= b->size) + return 0; + return b->data[b->cursor++]; +} + +static stbtt_uint8 stbtt__buf_peek8(stbtt__buf *b) +{ + if (b->cursor >= b->size) + return 0; + return b->data[b->cursor]; +} + +static void stbtt__buf_seek(stbtt__buf *b, int o) +{ + STBTT_assert(!(o > b->size || o < 0)); + b->cursor = (o > b->size || o < 0) ? b->size : o; +} + +static void stbtt__buf_skip(stbtt__buf *b, int o) +{ + stbtt__buf_seek(b, b->cursor + o); +} + +static stbtt_uint32 stbtt__buf_get(stbtt__buf *b, int n) +{ + stbtt_uint32 v = 0; + int i; + STBTT_assert(n >= 1 && n <= 4); + for (i = 0; i < n; i++) + v = (v << 8) | stbtt__buf_get8(b); + return v; +} + +static stbtt__buf stbtt__new_buf(const void *p, size_t size) +{ + stbtt__buf r; + STBTT_assert(size < 0x40000000); + r.data = (stbtt_uint8*) p; + r.size = (int) size; + r.cursor = 0; + return r; +} + +#define stbtt__buf_get16(b) stbtt__buf_get((b), 2) +#define stbtt__buf_get32(b) stbtt__buf_get((b), 4) + +static stbtt__buf stbtt__buf_range(const stbtt__buf *b, int o, int s) +{ + stbtt__buf r = stbtt__new_buf(NULL, 0); + if (o < 0 || s < 0 || o > b->size || s > b->size - o) return r; + r.data = b->data + o; + r.size = s; + return r; +} + +static stbtt__buf stbtt__cff_get_index(stbtt__buf *b) +{ + int count, start, offsize; + start = b->cursor; + count = stbtt__buf_get16(b); + if (count) { + offsize = stbtt__buf_get8(b); + STBTT_assert(offsize >= 1 && offsize <= 4); + stbtt__buf_skip(b, offsize * count); + stbtt__buf_skip(b, stbtt__buf_get(b, offsize) - 1); + } + return stbtt__buf_range(b, start, b->cursor - start); +} + +static stbtt_uint32 stbtt__cff_int(stbtt__buf *b) +{ + int b0 = stbtt__buf_get8(b); + if (b0 >= 32 && b0 <= 246) return b0 - 139; + else if (b0 >= 247 && b0 <= 250) return (b0 - 247)*256 + stbtt__buf_get8(b) + 108; + else if (b0 >= 251 && b0 <= 254) return -(b0 - 251)*256 - stbtt__buf_get8(b) - 108; + else if (b0 == 28) return stbtt__buf_get16(b); + else if (b0 == 29) return stbtt__buf_get32(b); + STBTT_assert(0); + return 0; +} + +static void stbtt__cff_skip_operand(stbtt__buf *b) { + int v, b0 = stbtt__buf_peek8(b); + STBTT_assert(b0 >= 28); + if (b0 == 30) { + stbtt__buf_skip(b, 1); + while (b->cursor < b->size) { + v = stbtt__buf_get8(b); + if ((v & 0xF) == 0xF || (v >> 4) == 0xF) + break; + } + } else { + stbtt__cff_int(b); + } +} + +static stbtt__buf stbtt__dict_get(stbtt__buf *b, int key) +{ + stbtt__buf_seek(b, 0); + while (b->cursor < b->size) { + int start = b->cursor, end, op; + while (stbtt__buf_peek8(b) >= 28) + stbtt__cff_skip_operand(b); + end = b->cursor; + op = stbtt__buf_get8(b); + if (op == 12) op = stbtt__buf_get8(b) | 0x100; + if (op == key) return stbtt__buf_range(b, start, end-start); + } + return stbtt__buf_range(b, 0, 0); +} + +static void stbtt__dict_get_ints(stbtt__buf *b, int key, int outcount, stbtt_uint32 *out) +{ + int i; + stbtt__buf operands = stbtt__dict_get(b, key); + for (i = 0; i < outcount && operands.cursor < operands.size; i++) + out[i] = stbtt__cff_int(&operands); +} + +static int stbtt__cff_index_count(stbtt__buf *b) +{ + stbtt__buf_seek(b, 0); + return stbtt__buf_get16(b); +} + +static stbtt__buf stbtt__cff_index_get(stbtt__buf b, int i) +{ + int count, offsize, start, end; + stbtt__buf_seek(&b, 0); + count = stbtt__buf_get16(&b); + offsize = stbtt__buf_get8(&b); + STBTT_assert(i >= 0 && i < count); + STBTT_assert(offsize >= 1 && offsize <= 4); + stbtt__buf_skip(&b, i*offsize); + start = stbtt__buf_get(&b, offsize); + end = stbtt__buf_get(&b, offsize); + return stbtt__buf_range(&b, 2+(count+1)*offsize+start, end - start); +} + +////////////////////////////////////////////////////////////////////////// +// +// accessors to parse data from file +// + +// on platforms that don't allow misaligned reads, if we want to allow +// truetype fonts that aren't padded to alignment, define ALLOW_UNALIGNED_TRUETYPE + +#define ttBYTE(p) (* (stbtt_uint8 *) (p)) +#define ttCHAR(p) (* (stbtt_int8 *) (p)) +#define ttFixed(p) ttLONG(p) + +static stbtt_uint16 ttUSHORT(stbtt_uint8 *p) { return p[0]*256 + p[1]; } +static stbtt_int16 ttSHORT(stbtt_uint8 *p) { return p[0]*256 + p[1]; } +static stbtt_uint32 ttULONG(stbtt_uint8 *p) { return (p[0]<<24) + (p[1]<<16) + (p[2]<<8) + p[3]; } +static stbtt_int32 ttLONG(stbtt_uint8 *p) { return (p[0]<<24) + (p[1]<<16) + (p[2]<<8) + p[3]; } + +#define stbtt_tag4(p,c0,c1,c2,c3) ((p)[0] == (c0) && (p)[1] == (c1) && (p)[2] == (c2) && (p)[3] == (c3)) +#define stbtt_tag(p,str) stbtt_tag4(p,str[0],str[1],str[2],str[3]) + +static int stbtt__isfont(stbtt_uint8 *font) +{ + // check the version number + if (stbtt_tag4(font, '1',0,0,0)) return 1; // TrueType 1 + if (stbtt_tag(font, "typ1")) return 1; // TrueType with type 1 font -- we don't support this! + if (stbtt_tag(font, "OTTO")) return 1; // OpenType with CFF + if (stbtt_tag4(font, 0,1,0,0)) return 1; // OpenType 1.0 + if (stbtt_tag(font, "true")) return 1; // Apple specification for TrueType fonts + return 0; +} + +// @OPTIMIZE: binary search +static stbtt_uint32 stbtt__find_table(stbtt_uint8 *data, stbtt_uint32 fontstart, const char *tag) +{ + stbtt_int32 num_tables = ttUSHORT(data+fontstart+4); + stbtt_uint32 tabledir = fontstart + 12; + stbtt_int32 i; + for (i=0; i < num_tables; ++i) { + stbtt_uint32 loc = tabledir + 16*i; + if (stbtt_tag(data+loc+0, tag)) + return ttULONG(data+loc+8); + } + return 0; +} + +static int stbtt_GetFontOffsetForIndex_internal(unsigned char *font_collection, int index) +{ + // if it's just a font, there's only one valid index + if (stbtt__isfont(font_collection)) + return index == 0 ? 0 : -1; + + // check if it's a TTC + if (stbtt_tag(font_collection, "ttcf")) { + // version 1? + if (ttULONG(font_collection+4) == 0x00010000 || ttULONG(font_collection+4) == 0x00020000) { + stbtt_int32 n = ttLONG(font_collection+8); + if (index >= n) + return -1; + return ttULONG(font_collection+12+index*4); + } + } + return -1; +} + +static int stbtt_GetNumberOfFonts_internal(unsigned char *font_collection) +{ + // if it's just a font, there's only one valid font + if (stbtt__isfont(font_collection)) + return 1; + + // check if it's a TTC + if (stbtt_tag(font_collection, "ttcf")) { + // version 1? + if (ttULONG(font_collection+4) == 0x00010000 || ttULONG(font_collection+4) == 0x00020000) { + return ttLONG(font_collection+8); + } + } + return 0; +} + +static stbtt__buf stbtt__get_subrs(stbtt__buf cff, stbtt__buf fontdict) +{ + stbtt_uint32 subrsoff = 0, private_loc[2] = { 0, 0 }; + stbtt__buf pdict; + stbtt__dict_get_ints(&fontdict, 18, 2, private_loc); + if (!private_loc[1] || !private_loc[0]) return stbtt__new_buf(NULL, 0); + pdict = stbtt__buf_range(&cff, private_loc[1], private_loc[0]); + stbtt__dict_get_ints(&pdict, 19, 1, &subrsoff); + if (!subrsoff) return stbtt__new_buf(NULL, 0); + stbtt__buf_seek(&cff, private_loc[1]+subrsoff); + return stbtt__cff_get_index(&cff); +} + +static int stbtt_InitFont_internal(stbtt_fontinfo *info, unsigned char *data, int fontstart) +{ + stbtt_uint32 cmap, t; + stbtt_int32 i,numTables; + + info->data = data; + info->fontstart = fontstart; + info->cff = stbtt__new_buf(NULL, 0); + + cmap = stbtt__find_table(data, fontstart, "cmap"); // required + info->loca = stbtt__find_table(data, fontstart, "loca"); // required + info->head = stbtt__find_table(data, fontstart, "head"); // required + info->glyf = stbtt__find_table(data, fontstart, "glyf"); // required + info->hhea = stbtt__find_table(data, fontstart, "hhea"); // required + info->hmtx = stbtt__find_table(data, fontstart, "hmtx"); // required + info->kern = stbtt__find_table(data, fontstart, "kern"); // not required + info->gpos = stbtt__find_table(data, fontstart, "GPOS"); // not required + + if (!cmap || !info->head || !info->hhea || !info->hmtx) + return 0; + if (info->glyf) { + // required for truetype + if (!info->loca) return 0; + } else { + // initialization for CFF / Type2 fonts (OTF) + stbtt__buf b, topdict, topdictidx; + stbtt_uint32 cstype = 2, charstrings = 0, fdarrayoff = 0, fdselectoff = 0; + stbtt_uint32 cff; + + cff = stbtt__find_table(data, fontstart, "CFF "); + if (!cff) return 0; + + info->fontdicts = stbtt__new_buf(NULL, 0); + info->fdselect = stbtt__new_buf(NULL, 0); + + // @TODO this should use size from table (not 512MB) + info->cff = stbtt__new_buf(data+cff, 512*1024*1024); + b = info->cff; + + // read the header + stbtt__buf_skip(&b, 2); + stbtt__buf_seek(&b, stbtt__buf_get8(&b)); // hdrsize + + // @TODO the name INDEX could list multiple fonts, + // but we just use the first one. + stbtt__cff_get_index(&b); // name INDEX + topdictidx = stbtt__cff_get_index(&b); + topdict = stbtt__cff_index_get(topdictidx, 0); + stbtt__cff_get_index(&b); // string INDEX + info->gsubrs = stbtt__cff_get_index(&b); + + stbtt__dict_get_ints(&topdict, 17, 1, &charstrings); + stbtt__dict_get_ints(&topdict, 0x100 | 6, 1, &cstype); + stbtt__dict_get_ints(&topdict, 0x100 | 36, 1, &fdarrayoff); + stbtt__dict_get_ints(&topdict, 0x100 | 37, 1, &fdselectoff); + info->subrs = stbtt__get_subrs(b, topdict); + + // we only support Type 2 charstrings + if (cstype != 2) return 0; + if (charstrings == 0) return 0; + + if (fdarrayoff) { + // looks like a CID font + if (!fdselectoff) return 0; + stbtt__buf_seek(&b, fdarrayoff); + info->fontdicts = stbtt__cff_get_index(&b); + info->fdselect = stbtt__buf_range(&b, fdselectoff, b.size-fdselectoff); + } + + stbtt__buf_seek(&b, charstrings); + info->charstrings = stbtt__cff_get_index(&b); + } + + t = stbtt__find_table(data, fontstart, "maxp"); + if (t) + info->numGlyphs = ttUSHORT(data+t+4); + else + info->numGlyphs = 0xffff; + + // find a cmap encoding table we understand *now* to avoid searching + // later. (todo: could make this installable) + // the same regardless of glyph. + numTables = ttUSHORT(data + cmap + 2); + info->index_map = 0; + for (i=0; i < numTables; ++i) { + stbtt_uint32 encoding_record = cmap + 4 + 8 * i; + // find an encoding we understand: + switch(ttUSHORT(data+encoding_record)) { + case STBTT_PLATFORM_ID_MICROSOFT: + switch (ttUSHORT(data+encoding_record+2)) { + case STBTT_MS_EID_UNICODE_BMP: + case STBTT_MS_EID_UNICODE_FULL: + // MS/Unicode + info->index_map = cmap + ttULONG(data+encoding_record+4); + break; + } + break; + case STBTT_PLATFORM_ID_UNICODE: + // Mac/iOS has these + // all the encodingIDs are unicode, so we don't bother to check it + info->index_map = cmap + ttULONG(data+encoding_record+4); + break; + } + } + if (info->index_map == 0) + return 0; + + info->indexToLocFormat = ttUSHORT(data+info->head + 50); + return 1; +} + +STBTT_DEF int stbtt_FindGlyphIndex(const stbtt_fontinfo *info, int unicode_codepoint) +{ + stbtt_uint8 *data = info->data; + stbtt_uint32 index_map = info->index_map; + + stbtt_uint16 format = ttUSHORT(data + index_map + 0); + if (format == 0) { // apple byte encoding + stbtt_int32 bytes = ttUSHORT(data + index_map + 2); + if (unicode_codepoint < bytes-6) + return ttBYTE(data + index_map + 6 + unicode_codepoint); + return 0; + } else if (format == 6) { + stbtt_uint32 first = ttUSHORT(data + index_map + 6); + stbtt_uint32 count = ttUSHORT(data + index_map + 8); + if ((stbtt_uint32) unicode_codepoint >= first && (stbtt_uint32) unicode_codepoint < first+count) + return ttUSHORT(data + index_map + 10 + (unicode_codepoint - first)*2); + return 0; + } else if (format == 2) { + STBTT_assert(0); // @TODO: high-byte mapping for japanese/chinese/korean + return 0; + } else if (format == 4) { // standard mapping for windows fonts: binary search collection of ranges + stbtt_uint16 segcount = ttUSHORT(data+index_map+6) >> 1; + stbtt_uint16 searchRange = ttUSHORT(data+index_map+8) >> 1; + stbtt_uint16 entrySelector = ttUSHORT(data+index_map+10); + stbtt_uint16 rangeShift = ttUSHORT(data+index_map+12) >> 1; + + // do a binary search of the segments + stbtt_uint32 endCount = index_map + 14; + stbtt_uint32 search = endCount; + + if (unicode_codepoint > 0xffff) + return 0; + + // they lie from endCount .. endCount + segCount + // but searchRange is the nearest power of two, so... + if (unicode_codepoint >= ttUSHORT(data + search + rangeShift*2)) + search += rangeShift*2; + + // now decrement to bias correctly to find smallest + search -= 2; + while (entrySelector) { + stbtt_uint16 end; + searchRange >>= 1; + end = ttUSHORT(data + search + searchRange*2); + if (unicode_codepoint > end) + search += searchRange*2; + --entrySelector; + } + search += 2; + + { + stbtt_uint16 offset, start; + stbtt_uint16 item = (stbtt_uint16) ((search - endCount) >> 1); + + STBTT_assert(unicode_codepoint <= ttUSHORT(data + endCount + 2*item)); + start = ttUSHORT(data + index_map + 14 + segcount*2 + 2 + 2*item); + if (unicode_codepoint < start) + return 0; + + offset = ttUSHORT(data + index_map + 14 + segcount*6 + 2 + 2*item); + if (offset == 0) + return (stbtt_uint16) (unicode_codepoint + ttSHORT(data + index_map + 14 + segcount*4 + 2 + 2*item)); + + return ttUSHORT(data + offset + (unicode_codepoint-start)*2 + index_map + 14 + segcount*6 + 2 + 2*item); + } + } else if (format == 12 || format == 13) { + stbtt_uint32 ngroups = ttULONG(data+index_map+12); + stbtt_int32 low,high; + low = 0; high = (stbtt_int32)ngroups; + // Binary search the right group. + while (low < high) { + stbtt_int32 mid = low + ((high-low) >> 1); // rounds down, so low <= mid < high + stbtt_uint32 start_char = ttULONG(data+index_map+16+mid*12); + stbtt_uint32 end_char = ttULONG(data+index_map+16+mid*12+4); + if ((stbtt_uint32) unicode_codepoint < start_char) + high = mid; + else if ((stbtt_uint32) unicode_codepoint > end_char) + low = mid+1; + else { + stbtt_uint32 start_glyph = ttULONG(data+index_map+16+mid*12+8); + if (format == 12) + return start_glyph + unicode_codepoint-start_char; + else // format == 13 + return start_glyph; + } + } + return 0; // not found + } + // @TODO + STBTT_assert(0); + return 0; +} + +STBTT_DEF int stbtt_GetCodepointShape(const stbtt_fontinfo *info, int unicode_codepoint, stbtt_vertex **vertices) +{ + return stbtt_GetGlyphShape(info, stbtt_FindGlyphIndex(info, unicode_codepoint), vertices); +} + +static void stbtt_setvertex(stbtt_vertex *v, stbtt_uint8 type, stbtt_int32 x, stbtt_int32 y, stbtt_int32 cx, stbtt_int32 cy) +{ + v->type = type; + v->x = (stbtt_int16) x; + v->y = (stbtt_int16) y; + v->cx = (stbtt_int16) cx; + v->cy = (stbtt_int16) cy; +} + +static int stbtt__GetGlyfOffset(const stbtt_fontinfo *info, int glyph_index) +{ + int g1,g2; + + STBTT_assert(!info->cff.size); + + if (glyph_index >= info->numGlyphs) return -1; // glyph index out of range + if (info->indexToLocFormat >= 2) return -1; // unknown index->glyph map format + + if (info->indexToLocFormat == 0) { + g1 = info->glyf + ttUSHORT(info->data + info->loca + glyph_index * 2) * 2; + g2 = info->glyf + ttUSHORT(info->data + info->loca + glyph_index * 2 + 2) * 2; + } else { + g1 = info->glyf + ttULONG (info->data + info->loca + glyph_index * 4); + g2 = info->glyf + ttULONG (info->data + info->loca + glyph_index * 4 + 4); + } + + return g1==g2 ? -1 : g1; // if length is 0, return -1 +} + +static int stbtt__GetGlyphInfoT2(const stbtt_fontinfo *info, int glyph_index, int *x0, int *y0, int *x1, int *y1); + +STBTT_DEF int stbtt_GetGlyphBox(const stbtt_fontinfo *info, int glyph_index, int *x0, int *y0, int *x1, int *y1) +{ + if (info->cff.size) { + stbtt__GetGlyphInfoT2(info, glyph_index, x0, y0, x1, y1); + } else { + int g = stbtt__GetGlyfOffset(info, glyph_index); + if (g < 0) return 0; + + if (x0) *x0 = ttSHORT(info->data + g + 2); + if (y0) *y0 = ttSHORT(info->data + g + 4); + if (x1) *x1 = ttSHORT(info->data + g + 6); + if (y1) *y1 = ttSHORT(info->data + g + 8); + } + return 1; +} + +STBTT_DEF int stbtt_GetCodepointBox(const stbtt_fontinfo *info, int codepoint, int *x0, int *y0, int *x1, int *y1) +{ + return stbtt_GetGlyphBox(info, stbtt_FindGlyphIndex(info,codepoint), x0,y0,x1,y1); +} + +STBTT_DEF int stbtt_IsGlyphEmpty(const stbtt_fontinfo *info, int glyph_index) +{ + stbtt_int16 numberOfContours; + int g; + if (info->cff.size) + return stbtt__GetGlyphInfoT2(info, glyph_index, NULL, NULL, NULL, NULL) == 0; + g = stbtt__GetGlyfOffset(info, glyph_index); + if (g < 0) return 1; + numberOfContours = ttSHORT(info->data + g); + return numberOfContours == 0; +} + +static int stbtt__close_shape(stbtt_vertex *vertices, int num_vertices, int was_off, int start_off, + stbtt_int32 sx, stbtt_int32 sy, stbtt_int32 scx, stbtt_int32 scy, stbtt_int32 cx, stbtt_int32 cy) +{ + if (start_off) { + if (was_off) + stbtt_setvertex(&vertices[num_vertices++], STBTT_vcurve, (cx+scx)>>1, (cy+scy)>>1, cx,cy); + stbtt_setvertex(&vertices[num_vertices++], STBTT_vcurve, sx,sy,scx,scy); + } else { + if (was_off) + stbtt_setvertex(&vertices[num_vertices++], STBTT_vcurve,sx,sy,cx,cy); + else + stbtt_setvertex(&vertices[num_vertices++], STBTT_vline,sx,sy,0,0); + } + return num_vertices; +} + +static int stbtt__GetGlyphShapeTT(const stbtt_fontinfo *info, int glyph_index, stbtt_vertex **pvertices) +{ + stbtt_int16 numberOfContours; + stbtt_uint8 *endPtsOfContours; + stbtt_uint8 *data = info->data; + stbtt_vertex *vertices=0; + int num_vertices=0; + int g = stbtt__GetGlyfOffset(info, glyph_index); + + *pvertices = NULL; + + if (g < 0) return 0; + + numberOfContours = ttSHORT(data + g); + + if (numberOfContours > 0) { + stbtt_uint8 flags=0,flagcount; + stbtt_int32 ins, i,j=0,m,n, next_move, was_off=0, off, start_off=0; + stbtt_int32 x,y,cx,cy,sx,sy, scx,scy; + stbtt_uint8 *points; + endPtsOfContours = (data + g + 10); + ins = ttUSHORT(data + g + 10 + numberOfContours * 2); + points = data + g + 10 + numberOfContours * 2 + 2 + ins; + + n = 1+ttUSHORT(endPtsOfContours + numberOfContours*2-2); + + m = n + 2*numberOfContours; // a loose bound on how many vertices we might need + vertices = (stbtt_vertex *) STBTT_malloc(m * sizeof(vertices[0]), info->userdata); + if (vertices == 0) + return 0; + + next_move = 0; + flagcount=0; + + // in first pass, we load uninterpreted data into the allocated array + // above, shifted to the end of the array so we won't overwrite it when + // we create our final data starting from the front + + off = m - n; // starting offset for uninterpreted data, regardless of how m ends up being calculated + + // first load flags + + for (i=0; i < n; ++i) { + if (flagcount == 0) { + flags = *points++; + if (flags & 8) + flagcount = *points++; + } else + --flagcount; + vertices[off+i].type = flags; + } + + // now load x coordinates + x=0; + for (i=0; i < n; ++i) { + flags = vertices[off+i].type; + if (flags & 2) { + stbtt_int16 dx = *points++; + x += (flags & 16) ? dx : -dx; // ??? + } else { + if (!(flags & 16)) { + x = x + (stbtt_int16) (points[0]*256 + points[1]); + points += 2; + } + } + vertices[off+i].x = (stbtt_int16) x; + } + + // now load y coordinates + y=0; + for (i=0; i < n; ++i) { + flags = vertices[off+i].type; + if (flags & 4) { + stbtt_int16 dy = *points++; + y += (flags & 32) ? dy : -dy; // ??? + } else { + if (!(flags & 32)) { + y = y + (stbtt_int16) (points[0]*256 + points[1]); + points += 2; + } + } + vertices[off+i].y = (stbtt_int16) y; + } + + // now convert them to our format + num_vertices=0; + sx = sy = cx = cy = scx = scy = 0; + for (i=0; i < n; ++i) { + flags = vertices[off+i].type; + x = (stbtt_int16) vertices[off+i].x; + y = (stbtt_int16) vertices[off+i].y; + + if (next_move == i) { + if (i != 0) + num_vertices = stbtt__close_shape(vertices, num_vertices, was_off, start_off, sx,sy,scx,scy,cx,cy); + + // now start the new one + start_off = !(flags & 1); + if (start_off) { + // if we start off with an off-curve point, then when we need to find a point on the curve + // where we can start, and we need to save some state for when we wraparound. + scx = x; + scy = y; + if (!(vertices[off+i+1].type & 1)) { + // next point is also a curve point, so interpolate an on-point curve + sx = (x + (stbtt_int32) vertices[off+i+1].x) >> 1; + sy = (y + (stbtt_int32) vertices[off+i+1].y) >> 1; + } else { + // otherwise just use the next point as our start point + sx = (stbtt_int32) vertices[off+i+1].x; + sy = (stbtt_int32) vertices[off+i+1].y; + ++i; // we're using point i+1 as the starting point, so skip it + } + } else { + sx = x; + sy = y; + } + stbtt_setvertex(&vertices[num_vertices++], STBTT_vmove,sx,sy,0,0); + was_off = 0; + next_move = 1 + ttUSHORT(endPtsOfContours+j*2); + ++j; + } else { + if (!(flags & 1)) { // if it's a curve + if (was_off) // two off-curve control points in a row means interpolate an on-curve midpoint + stbtt_setvertex(&vertices[num_vertices++], STBTT_vcurve, (cx+x)>>1, (cy+y)>>1, cx, cy); + cx = x; + cy = y; + was_off = 1; + } else { + if (was_off) + stbtt_setvertex(&vertices[num_vertices++], STBTT_vcurve, x,y, cx, cy); + else + stbtt_setvertex(&vertices[num_vertices++], STBTT_vline, x,y,0,0); + was_off = 0; + } + } + } + num_vertices = stbtt__close_shape(vertices, num_vertices, was_off, start_off, sx,sy,scx,scy,cx,cy); + } else if (numberOfContours == -1) { + // Compound shapes. + int more = 1; + stbtt_uint8 *comp = data + g + 10; + num_vertices = 0; + vertices = 0; + while (more) { + stbtt_uint16 flags, gidx; + int comp_num_verts = 0, i; + stbtt_vertex *comp_verts = 0, *tmp = 0; + float mtx[6] = {1,0,0,1,0,0}, m, n; + + flags = ttSHORT(comp); comp+=2; + gidx = ttSHORT(comp); comp+=2; + + if (flags & 2) { // XY values + if (flags & 1) { // shorts + mtx[4] = ttSHORT(comp); comp+=2; + mtx[5] = ttSHORT(comp); comp+=2; + } else { + mtx[4] = ttCHAR(comp); comp+=1; + mtx[5] = ttCHAR(comp); comp+=1; + } + } + else { + // @TODO handle matching point + STBTT_assert(0); + } + if (flags & (1<<3)) { // WE_HAVE_A_SCALE + mtx[0] = mtx[3] = ttSHORT(comp)/16384.0f; comp+=2; + mtx[1] = mtx[2] = 0; + } else if (flags & (1<<6)) { // WE_HAVE_AN_X_AND_YSCALE + mtx[0] = ttSHORT(comp)/16384.0f; comp+=2; + mtx[1] = mtx[2] = 0; + mtx[3] = ttSHORT(comp)/16384.0f; comp+=2; + } else if (flags & (1<<7)) { // WE_HAVE_A_TWO_BY_TWO + mtx[0] = ttSHORT(comp)/16384.0f; comp+=2; + mtx[1] = ttSHORT(comp)/16384.0f; comp+=2; + mtx[2] = ttSHORT(comp)/16384.0f; comp+=2; + mtx[3] = ttSHORT(comp)/16384.0f; comp+=2; + } + + // Find transformation scales. + m = (float) STBTT_sqrt(mtx[0]*mtx[0] + mtx[1]*mtx[1]); + n = (float) STBTT_sqrt(mtx[2]*mtx[2] + mtx[3]*mtx[3]); + + // Get indexed glyph. + comp_num_verts = stbtt_GetGlyphShape(info, gidx, &comp_verts); + if (comp_num_verts > 0) { + // Transform vertices. + for (i = 0; i < comp_num_verts; ++i) { + stbtt_vertex* v = &comp_verts[i]; + stbtt_vertex_type x,y; + x=v->x; y=v->y; + v->x = (stbtt_vertex_type)(m * (mtx[0]*x + mtx[2]*y + mtx[4])); + v->y = (stbtt_vertex_type)(n * (mtx[1]*x + mtx[3]*y + mtx[5])); + x=v->cx; y=v->cy; + v->cx = (stbtt_vertex_type)(m * (mtx[0]*x + mtx[2]*y + mtx[4])); + v->cy = (stbtt_vertex_type)(n * (mtx[1]*x + mtx[3]*y + mtx[5])); + } + // Append vertices. + tmp = (stbtt_vertex*)STBTT_malloc((num_vertices+comp_num_verts)*sizeof(stbtt_vertex), info->userdata); + if (!tmp) { + if (vertices) STBTT_free(vertices, info->userdata); + if (comp_verts) STBTT_free(comp_verts, info->userdata); + return 0; + } + if (num_vertices > 0) STBTT_memcpy(tmp, vertices, num_vertices*sizeof(stbtt_vertex)); //-V595 + STBTT_memcpy(tmp+num_vertices, comp_verts, comp_num_verts*sizeof(stbtt_vertex)); + if (vertices) STBTT_free(vertices, info->userdata); + vertices = tmp; + STBTT_free(comp_verts, info->userdata); + num_vertices += comp_num_verts; + } + // More components ? + more = flags & (1<<5); + } + } else if (numberOfContours < 0) { + // @TODO other compound variations? + STBTT_assert(0); + } else { + // numberOfCounters == 0, do nothing + } + + *pvertices = vertices; + return num_vertices; +} + +typedef struct +{ + int bounds; + int started; + float first_x, first_y; + float x, y; + stbtt_int32 min_x, max_x, min_y, max_y; + + stbtt_vertex *pvertices; + int num_vertices; +} stbtt__csctx; + +#define STBTT__CSCTX_INIT(bounds) {bounds,0, 0,0, 0,0, 0,0,0,0, NULL, 0} + +static void stbtt__track_vertex(stbtt__csctx *c, stbtt_int32 x, stbtt_int32 y) +{ + if (x > c->max_x || !c->started) c->max_x = x; + if (y > c->max_y || !c->started) c->max_y = y; + if (x < c->min_x || !c->started) c->min_x = x; + if (y < c->min_y || !c->started) c->min_y = y; + c->started = 1; +} + +static void stbtt__csctx_v(stbtt__csctx *c, stbtt_uint8 type, stbtt_int32 x, stbtt_int32 y, stbtt_int32 cx, stbtt_int32 cy, stbtt_int32 cx1, stbtt_int32 cy1) +{ + if (c->bounds) { + stbtt__track_vertex(c, x, y); + if (type == STBTT_vcubic) { + stbtt__track_vertex(c, cx, cy); + stbtt__track_vertex(c, cx1, cy1); + } + } else { + stbtt_setvertex(&c->pvertices[c->num_vertices], type, x, y, cx, cy); + c->pvertices[c->num_vertices].cx1 = (stbtt_int16) cx1; + c->pvertices[c->num_vertices].cy1 = (stbtt_int16) cy1; + } + c->num_vertices++; +} + +static void stbtt__csctx_close_shape(stbtt__csctx *ctx) +{ + if (ctx->first_x != ctx->x || ctx->first_y != ctx->y) + stbtt__csctx_v(ctx, STBTT_vline, (int)ctx->first_x, (int)ctx->first_y, 0, 0, 0, 0); +} + +static void stbtt__csctx_rmove_to(stbtt__csctx *ctx, float dx, float dy) +{ + stbtt__csctx_close_shape(ctx); + ctx->first_x = ctx->x = ctx->x + dx; + ctx->first_y = ctx->y = ctx->y + dy; + stbtt__csctx_v(ctx, STBTT_vmove, (int)ctx->x, (int)ctx->y, 0, 0, 0, 0); +} + +static void stbtt__csctx_rline_to(stbtt__csctx *ctx, float dx, float dy) +{ + ctx->x += dx; + ctx->y += dy; + stbtt__csctx_v(ctx, STBTT_vline, (int)ctx->x, (int)ctx->y, 0, 0, 0, 0); +} + +static void stbtt__csctx_rccurve_to(stbtt__csctx *ctx, float dx1, float dy1, float dx2, float dy2, float dx3, float dy3) +{ + float cx1 = ctx->x + dx1; + float cy1 = ctx->y + dy1; + float cx2 = cx1 + dx2; + float cy2 = cy1 + dy2; + ctx->x = cx2 + dx3; + ctx->y = cy2 + dy3; + stbtt__csctx_v(ctx, STBTT_vcubic, (int)ctx->x, (int)ctx->y, (int)cx1, (int)cy1, (int)cx2, (int)cy2); +} + +static stbtt__buf stbtt__get_subr(stbtt__buf idx, int n) +{ + int count = stbtt__cff_index_count(&idx); + int bias = 107; + if (count >= 33900) + bias = 32768; + else if (count >= 1240) + bias = 1131; + n += bias; + if (n < 0 || n >= count) + return stbtt__new_buf(NULL, 0); + return stbtt__cff_index_get(idx, n); +} + +static stbtt__buf stbtt__cid_get_glyph_subrs(const stbtt_fontinfo *info, int glyph_index) +{ + stbtt__buf fdselect = info->fdselect; + int nranges, start, end, v, fmt, fdselector = -1, i; + + stbtt__buf_seek(&fdselect, 0); + fmt = stbtt__buf_get8(&fdselect); + if (fmt == 0) { + // untested + stbtt__buf_skip(&fdselect, glyph_index); + fdselector = stbtt__buf_get8(&fdselect); + } else if (fmt == 3) { + nranges = stbtt__buf_get16(&fdselect); + start = stbtt__buf_get16(&fdselect); + for (i = 0; i < nranges; i++) { + v = stbtt__buf_get8(&fdselect); + end = stbtt__buf_get16(&fdselect); + if (glyph_index >= start && glyph_index < end) { + fdselector = v; + break; + } + start = end; + } + } + if (fdselector == -1) stbtt__new_buf(NULL, 0); + return stbtt__get_subrs(info->cff, stbtt__cff_index_get(info->fontdicts, fdselector)); +} + +static int stbtt__run_charstring(const stbtt_fontinfo *info, int glyph_index, stbtt__csctx *c) +{ + int in_header = 1, maskbits = 0, subr_stack_height = 0, sp = 0, v, i, b0; + int has_subrs = 0, clear_stack; + float s[48]; + stbtt__buf subr_stack[10], subrs = info->subrs, b; + float f; + +#define STBTT__CSERR(s) (0) + + // this currently ignores the initial width value, which isn't needed if we have hmtx + b = stbtt__cff_index_get(info->charstrings, glyph_index); + while (b.cursor < b.size) { + i = 0; + clear_stack = 1; + b0 = stbtt__buf_get8(&b); + switch (b0) { + // @TODO implement hinting + case 0x13: // hintmask + case 0x14: // cntrmask + if (in_header) + maskbits += (sp / 2); // implicit "vstem" + in_header = 0; + stbtt__buf_skip(&b, (maskbits + 7) / 8); + break; + + case 0x01: // hstem + case 0x03: // vstem + case 0x12: // hstemhm + case 0x17: // vstemhm + maskbits += (sp / 2); + break; + + case 0x15: // rmoveto + in_header = 0; + if (sp < 2) return STBTT__CSERR("rmoveto stack"); + stbtt__csctx_rmove_to(c, s[sp-2], s[sp-1]); + break; + case 0x04: // vmoveto + in_header = 0; + if (sp < 1) return STBTT__CSERR("vmoveto stack"); + stbtt__csctx_rmove_to(c, 0, s[sp-1]); + break; + case 0x16: // hmoveto + in_header = 0; + if (sp < 1) return STBTT__CSERR("hmoveto stack"); + stbtt__csctx_rmove_to(c, s[sp-1], 0); + break; + + case 0x05: // rlineto + if (sp < 2) return STBTT__CSERR("rlineto stack"); + for (; i + 1 < sp; i += 2) + stbtt__csctx_rline_to(c, s[i], s[i+1]); + break; + + // hlineto/vlineto and vhcurveto/hvcurveto alternate horizontal and vertical + // starting from a different place. + + case 0x07: // vlineto + if (sp < 1) return STBTT__CSERR("vlineto stack"); + goto vlineto; + case 0x06: // hlineto + if (sp < 1) return STBTT__CSERR("hlineto stack"); + for (;;) { + if (i >= sp) break; + stbtt__csctx_rline_to(c, s[i], 0); + i++; + vlineto: + if (i >= sp) break; + stbtt__csctx_rline_to(c, 0, s[i]); + i++; + } + break; + + case 0x1F: // hvcurveto + if (sp < 4) return STBTT__CSERR("hvcurveto stack"); + goto hvcurveto; + case 0x1E: // vhcurveto + if (sp < 4) return STBTT__CSERR("vhcurveto stack"); + for (;;) { + if (i + 3 >= sp) break; + stbtt__csctx_rccurve_to(c, 0, s[i], s[i+1], s[i+2], s[i+3], (sp - i == 5) ? s[i + 4] : 0.0f); + i += 4; + hvcurveto: + if (i + 3 >= sp) break; + stbtt__csctx_rccurve_to(c, s[i], 0, s[i+1], s[i+2], (sp - i == 5) ? s[i+4] : 0.0f, s[i+3]); + i += 4; + } + break; + + case 0x08: // rrcurveto + if (sp < 6) return STBTT__CSERR("rcurveline stack"); + for (; i + 5 < sp; i += 6) + stbtt__csctx_rccurve_to(c, s[i], s[i+1], s[i+2], s[i+3], s[i+4], s[i+5]); + break; + + case 0x18: // rcurveline + if (sp < 8) return STBTT__CSERR("rcurveline stack"); + for (; i + 5 < sp - 2; i += 6) + stbtt__csctx_rccurve_to(c, s[i], s[i+1], s[i+2], s[i+3], s[i+4], s[i+5]); + if (i + 1 >= sp) return STBTT__CSERR("rcurveline stack"); + stbtt__csctx_rline_to(c, s[i], s[i+1]); + break; + + case 0x19: // rlinecurve + if (sp < 8) return STBTT__CSERR("rlinecurve stack"); + for (; i + 1 < sp - 6; i += 2) + stbtt__csctx_rline_to(c, s[i], s[i+1]); + if (i + 5 >= sp) return STBTT__CSERR("rlinecurve stack"); + stbtt__csctx_rccurve_to(c, s[i], s[i+1], s[i+2], s[i+3], s[i+4], s[i+5]); + break; + + case 0x1A: // vvcurveto + case 0x1B: // hhcurveto + if (sp < 4) return STBTT__CSERR("(vv|hh)curveto stack"); + f = 0.0; + if (sp & 1) { f = s[i]; i++; } + for (; i + 3 < sp; i += 4) { + if (b0 == 0x1B) + stbtt__csctx_rccurve_to(c, s[i], f, s[i+1], s[i+2], s[i+3], 0.0); + else + stbtt__csctx_rccurve_to(c, f, s[i], s[i+1], s[i+2], 0.0, s[i+3]); + f = 0.0; + } + break; + + case 0x0A: // callsubr + if (!has_subrs) { + if (info->fdselect.size) + subrs = stbtt__cid_get_glyph_subrs(info, glyph_index); + has_subrs = 1; + } + // fallthrough + case 0x1D: // callgsubr + if (sp < 1) return STBTT__CSERR("call(g|)subr stack"); + v = (int) s[--sp]; + if (subr_stack_height >= 10) return STBTT__CSERR("recursion limit"); + subr_stack[subr_stack_height++] = b; + b = stbtt__get_subr(b0 == 0x0A ? subrs : info->gsubrs, v); + if (b.size == 0) return STBTT__CSERR("subr not found"); + b.cursor = 0; + clear_stack = 0; + break; + + case 0x0B: // return + if (subr_stack_height <= 0) return STBTT__CSERR("return outside subr"); + b = subr_stack[--subr_stack_height]; + clear_stack = 0; + break; + + case 0x0E: // endchar + stbtt__csctx_close_shape(c); + return 1; + + case 0x0C: { // two-byte escape + float dx1, dx2, dx3, dx4, dx5, dx6, dy1, dy2, dy3, dy4, dy5, dy6; + float dx, dy; + int b1 = stbtt__buf_get8(&b); + switch (b1) { + // @TODO These "flex" implementations ignore the flex-depth and resolution, + // and always draw beziers. + case 0x22: // hflex + if (sp < 7) return STBTT__CSERR("hflex stack"); + dx1 = s[0]; + dx2 = s[1]; + dy2 = s[2]; + dx3 = s[3]; + dx4 = s[4]; + dx5 = s[5]; + dx6 = s[6]; + stbtt__csctx_rccurve_to(c, dx1, 0, dx2, dy2, dx3, 0); + stbtt__csctx_rccurve_to(c, dx4, 0, dx5, -dy2, dx6, 0); + break; + + case 0x23: // flex + if (sp < 13) return STBTT__CSERR("flex stack"); + dx1 = s[0]; + dy1 = s[1]; + dx2 = s[2]; + dy2 = s[3]; + dx3 = s[4]; + dy3 = s[5]; + dx4 = s[6]; + dy4 = s[7]; + dx5 = s[8]; + dy5 = s[9]; + dx6 = s[10]; + dy6 = s[11]; + //fd is s[12] + stbtt__csctx_rccurve_to(c, dx1, dy1, dx2, dy2, dx3, dy3); + stbtt__csctx_rccurve_to(c, dx4, dy4, dx5, dy5, dx6, dy6); + break; + + case 0x24: // hflex1 + if (sp < 9) return STBTT__CSERR("hflex1 stack"); + dx1 = s[0]; + dy1 = s[1]; + dx2 = s[2]; + dy2 = s[3]; + dx3 = s[4]; + dx4 = s[5]; + dx5 = s[6]; + dy5 = s[7]; + dx6 = s[8]; + stbtt__csctx_rccurve_to(c, dx1, dy1, dx2, dy2, dx3, 0); + stbtt__csctx_rccurve_to(c, dx4, 0, dx5, dy5, dx6, -(dy1+dy2+dy5)); + break; + + case 0x25: // flex1 + if (sp < 11) return STBTT__CSERR("flex1 stack"); + dx1 = s[0]; + dy1 = s[1]; + dx2 = s[2]; + dy2 = s[3]; + dx3 = s[4]; + dy3 = s[5]; + dx4 = s[6]; + dy4 = s[7]; + dx5 = s[8]; + dy5 = s[9]; + dx6 = dy6 = s[10]; + dx = dx1+dx2+dx3+dx4+dx5; + dy = dy1+dy2+dy3+dy4+dy5; + if (STBTT_fabs(dx) > STBTT_fabs(dy)) + dy6 = -dy; + else + dx6 = -dx; + stbtt__csctx_rccurve_to(c, dx1, dy1, dx2, dy2, dx3, dy3); + stbtt__csctx_rccurve_to(c, dx4, dy4, dx5, dy5, dx6, dy6); + break; + + default: + return STBTT__CSERR("unimplemented"); + } + } break; + + default: + if (b0 != 255 && b0 != 28 && (b0 < 32 || b0 > 254)) //-V560 + return STBTT__CSERR("reserved operator"); + + // push immediate + if (b0 == 255) { + f = (float)(stbtt_int32)stbtt__buf_get32(&b) / 0x10000; + } else { + stbtt__buf_skip(&b, -1); + f = (float)(stbtt_int16)stbtt__cff_int(&b); + } + if (sp >= 48) return STBTT__CSERR("push stack overflow"); + s[sp++] = f; + clear_stack = 0; + break; + } + if (clear_stack) sp = 0; + } + return STBTT__CSERR("no endchar"); + +#undef STBTT__CSERR +} + +static int stbtt__GetGlyphShapeT2(const stbtt_fontinfo *info, int glyph_index, stbtt_vertex **pvertices) +{ + // runs the charstring twice, once to count and once to output (to avoid realloc) + stbtt__csctx count_ctx = STBTT__CSCTX_INIT(1); + stbtt__csctx output_ctx = STBTT__CSCTX_INIT(0); + if (stbtt__run_charstring(info, glyph_index, &count_ctx)) { + *pvertices = (stbtt_vertex*)STBTT_malloc(count_ctx.num_vertices*sizeof(stbtt_vertex), info->userdata); + output_ctx.pvertices = *pvertices; + if (stbtt__run_charstring(info, glyph_index, &output_ctx)) { + STBTT_assert(output_ctx.num_vertices == count_ctx.num_vertices); + return output_ctx.num_vertices; + } + } + *pvertices = NULL; + return 0; +} + +static int stbtt__GetGlyphInfoT2(const stbtt_fontinfo *info, int glyph_index, int *x0, int *y0, int *x1, int *y1) +{ + stbtt__csctx c = STBTT__CSCTX_INIT(1); + int r = stbtt__run_charstring(info, glyph_index, &c); + if (x0) *x0 = r ? c.min_x : 0; + if (y0) *y0 = r ? c.min_y : 0; + if (x1) *x1 = r ? c.max_x : 0; + if (y1) *y1 = r ? c.max_y : 0; + return r ? c.num_vertices : 0; +} + +STBTT_DEF int stbtt_GetGlyphShape(const stbtt_fontinfo *info, int glyph_index, stbtt_vertex **pvertices) +{ + if (!info->cff.size) + return stbtt__GetGlyphShapeTT(info, glyph_index, pvertices); + else + return stbtt__GetGlyphShapeT2(info, glyph_index, pvertices); +} + +STBTT_DEF void stbtt_GetGlyphHMetrics(const stbtt_fontinfo *info, int glyph_index, int *advanceWidth, int *leftSideBearing) +{ + stbtt_uint16 numOfLongHorMetrics = ttUSHORT(info->data+info->hhea + 34); + if (glyph_index < numOfLongHorMetrics) { + if (advanceWidth) *advanceWidth = ttSHORT(info->data + info->hmtx + 4*glyph_index); + if (leftSideBearing) *leftSideBearing = ttSHORT(info->data + info->hmtx + 4*glyph_index + 2); + } else { + if (advanceWidth) *advanceWidth = ttSHORT(info->data + info->hmtx + 4*(numOfLongHorMetrics-1)); + if (leftSideBearing) *leftSideBearing = ttSHORT(info->data + info->hmtx + 4*numOfLongHorMetrics + 2*(glyph_index - numOfLongHorMetrics)); + } +} + +static int stbtt__GetGlyphKernInfoAdvance(const stbtt_fontinfo *info, int glyph1, int glyph2) +{ + stbtt_uint8 *data = info->data + info->kern; + stbtt_uint32 needle, straw; + int l, r, m; + + // we only look at the first table. it must be 'horizontal' and format 0. + if (!info->kern) + return 0; + if (ttUSHORT(data+2) < 1) // number of tables, need at least 1 + return 0; + if (ttUSHORT(data+8) != 1) // horizontal flag must be set in format + return 0; + + l = 0; + r = ttUSHORT(data+10) - 1; + needle = glyph1 << 16 | glyph2; + while (l <= r) { + m = (l + r) >> 1; + straw = ttULONG(data+18+(m*6)); // note: unaligned read + if (needle < straw) + r = m - 1; + else if (needle > straw) + l = m + 1; + else + return ttSHORT(data+22+(m*6)); + } + return 0; +} + +static stbtt_int32 stbtt__GetCoverageIndex(stbtt_uint8 *coverageTable, int glyph) +{ + stbtt_uint16 coverageFormat = ttUSHORT(coverageTable); + switch(coverageFormat) { + case 1: { + stbtt_uint16 glyphCount = ttUSHORT(coverageTable + 2); + + // Binary search. + stbtt_int32 l=0, r=glyphCount-1, m; + int straw, needle=glyph; + while (l <= r) { + stbtt_uint8 *glyphArray = coverageTable + 4; + stbtt_uint16 glyphID; + m = (l + r) >> 1; + glyphID = ttUSHORT(glyphArray + 2 * m); + straw = glyphID; + if (needle < straw) + r = m - 1; + else if (needle > straw) + l = m + 1; + else { + return m; + } + } + } break; + + case 2: { + stbtt_uint16 rangeCount = ttUSHORT(coverageTable + 2); + stbtt_uint8 *rangeArray = coverageTable + 4; + + // Binary search. + stbtt_int32 l=0, r=rangeCount-1, m; + int strawStart, strawEnd, needle=glyph; + while (l <= r) { + stbtt_uint8 *rangeRecord; + m = (l + r) >> 1; + rangeRecord = rangeArray + 6 * m; + strawStart = ttUSHORT(rangeRecord); + strawEnd = ttUSHORT(rangeRecord + 2); + if (needle < strawStart) + r = m - 1; + else if (needle > strawEnd) + l = m + 1; + else { + stbtt_uint16 startCoverageIndex = ttUSHORT(rangeRecord + 4); + return startCoverageIndex + glyph - strawStart; + } + } + } break; + + default: { + // There are no other cases. + STBTT_assert(0); + } break; + } + + return -1; +} + +static stbtt_int32 stbtt__GetGlyphClass(stbtt_uint8 *classDefTable, int glyph) +{ + stbtt_uint16 classDefFormat = ttUSHORT(classDefTable); + switch(classDefFormat) + { + case 1: { + stbtt_uint16 startGlyphID = ttUSHORT(classDefTable + 2); + stbtt_uint16 glyphCount = ttUSHORT(classDefTable + 4); + stbtt_uint8 *classDef1ValueArray = classDefTable + 6; + + if (glyph >= startGlyphID && glyph < startGlyphID + glyphCount) + return (stbtt_int32)ttUSHORT(classDef1ValueArray + 2 * (glyph - startGlyphID)); + + // [DEAR IMGUI] Commented to fix static analyzer warning + //classDefTable = classDef1ValueArray + 2 * glyphCount; + } break; + + case 2: { + stbtt_uint16 classRangeCount = ttUSHORT(classDefTable + 2); + stbtt_uint8 *classRangeRecords = classDefTable + 4; + + // Binary search. + stbtt_int32 l=0, r=classRangeCount-1, m; + int strawStart, strawEnd, needle=glyph; + while (l <= r) { + stbtt_uint8 *classRangeRecord; + m = (l + r) >> 1; + classRangeRecord = classRangeRecords + 6 * m; + strawStart = ttUSHORT(classRangeRecord); + strawEnd = ttUSHORT(classRangeRecord + 2); + if (needle < strawStart) + r = m - 1; + else if (needle > strawEnd) + l = m + 1; + else + return (stbtt_int32)ttUSHORT(classRangeRecord + 4); + } + + // [DEAR IMGUI] Commented to fix static analyzer warning + //classDefTable = classRangeRecords + 6 * classRangeCount; + } break; + + default: { + // There are no other cases. + STBTT_assert(0); + } break; + } + + return -1; +} + +// Define to STBTT_assert(x) if you want to break on unimplemented formats. +#define STBTT_GPOS_TODO_assert(x) + +static stbtt_int32 stbtt__GetGlyphGPOSInfoAdvance(const stbtt_fontinfo *info, int glyph1, int glyph2) +{ + stbtt_uint16 lookupListOffset; + stbtt_uint8 *lookupList; + stbtt_uint16 lookupCount; + stbtt_uint8 *data; + stbtt_int32 i; + + if (!info->gpos) return 0; + + data = info->data + info->gpos; + + if (ttUSHORT(data+0) != 1) return 0; // Major version 1 + if (ttUSHORT(data+2) != 0) return 0; // Minor version 0 + + lookupListOffset = ttUSHORT(data+8); + lookupList = data + lookupListOffset; + lookupCount = ttUSHORT(lookupList); + + for (i=0; i> 1; + pairValue = pairValueArray + (2 + valueRecordPairSizeInBytes) * m; + secondGlyph = ttUSHORT(pairValue); + straw = secondGlyph; + if (needle < straw) + r = m - 1; + else if (needle > straw) + l = m + 1; + else { + stbtt_int16 xAdvance = ttSHORT(pairValue + 2); + return xAdvance; + } + } + } break; + + case 2: { + stbtt_uint16 valueFormat1 = ttUSHORT(table + 4); + stbtt_uint16 valueFormat2 = ttUSHORT(table + 6); + + stbtt_uint16 classDef1Offset = ttUSHORT(table + 8); + stbtt_uint16 classDef2Offset = ttUSHORT(table + 10); + int glyph1class = stbtt__GetGlyphClass(table + classDef1Offset, glyph1); + int glyph2class = stbtt__GetGlyphClass(table + classDef2Offset, glyph2); + + stbtt_uint16 class1Count = ttUSHORT(table + 12); + stbtt_uint16 class2Count = ttUSHORT(table + 14); + STBTT_assert(glyph1class < class1Count); + STBTT_assert(glyph2class < class2Count); + + // TODO: Support more formats. + STBTT_GPOS_TODO_assert(valueFormat1 == 4); + if (valueFormat1 != 4) return 0; + STBTT_GPOS_TODO_assert(valueFormat2 == 0); + if (valueFormat2 != 0) return 0; + + if (glyph1class >= 0 && glyph1class < class1Count && glyph2class >= 0 && glyph2class < class2Count) { + stbtt_uint8 *class1Records = table + 16; + stbtt_uint8 *class2Records = class1Records + 2 * (glyph1class * class2Count); + stbtt_int16 xAdvance = ttSHORT(class2Records + 2 * glyph2class); + return xAdvance; + } + } break; + + default: { + // There are no other cases. + STBTT_assert(0); + break; + } // [DEAR IMGUI] removed ; + } + } + break; + } // [DEAR IMGUI] removed ; + + default: + // TODO: Implement other stuff. + break; + } + } + + return 0; +} + +STBTT_DEF int stbtt_GetGlyphKernAdvance(const stbtt_fontinfo *info, int g1, int g2) +{ + int xAdvance = 0; + + if (info->gpos) + xAdvance += stbtt__GetGlyphGPOSInfoAdvance(info, g1, g2); + + if (info->kern) + xAdvance += stbtt__GetGlyphKernInfoAdvance(info, g1, g2); + + return xAdvance; +} + +STBTT_DEF int stbtt_GetCodepointKernAdvance(const stbtt_fontinfo *info, int ch1, int ch2) +{ + if (!info->kern && !info->gpos) // if no kerning table, don't waste time looking up both codepoint->glyphs + return 0; + return stbtt_GetGlyphKernAdvance(info, stbtt_FindGlyphIndex(info,ch1), stbtt_FindGlyphIndex(info,ch2)); +} + +STBTT_DEF void stbtt_GetCodepointHMetrics(const stbtt_fontinfo *info, int codepoint, int *advanceWidth, int *leftSideBearing) +{ + stbtt_GetGlyphHMetrics(info, stbtt_FindGlyphIndex(info,codepoint), advanceWidth, leftSideBearing); +} + +STBTT_DEF void stbtt_GetFontVMetrics(const stbtt_fontinfo *info, int *ascent, int *descent, int *lineGap) +{ + if (ascent ) *ascent = ttSHORT(info->data+info->hhea + 4); + if (descent) *descent = ttSHORT(info->data+info->hhea + 6); + if (lineGap) *lineGap = ttSHORT(info->data+info->hhea + 8); +} + +STBTT_DEF int stbtt_GetFontVMetricsOS2(const stbtt_fontinfo *info, int *typoAscent, int *typoDescent, int *typoLineGap) +{ + int tab = stbtt__find_table(info->data, info->fontstart, "OS/2"); + if (!tab) + return 0; + if (typoAscent ) *typoAscent = ttSHORT(info->data+tab + 68); + if (typoDescent) *typoDescent = ttSHORT(info->data+tab + 70); + if (typoLineGap) *typoLineGap = ttSHORT(info->data+tab + 72); + return 1; +} + +STBTT_DEF void stbtt_GetFontBoundingBox(const stbtt_fontinfo *info, int *x0, int *y0, int *x1, int *y1) +{ + *x0 = ttSHORT(info->data + info->head + 36); + *y0 = ttSHORT(info->data + info->head + 38); + *x1 = ttSHORT(info->data + info->head + 40); + *y1 = ttSHORT(info->data + info->head + 42); +} + +STBTT_DEF float stbtt_ScaleForPixelHeight(const stbtt_fontinfo *info, float height) +{ + int fheight = ttSHORT(info->data + info->hhea + 4) - ttSHORT(info->data + info->hhea + 6); + return (float) height / fheight; +} + +STBTT_DEF float stbtt_ScaleForMappingEmToPixels(const stbtt_fontinfo *info, float pixels) +{ + int unitsPerEm = ttUSHORT(info->data + info->head + 18); + return pixels / unitsPerEm; +} + +STBTT_DEF void stbtt_FreeShape(const stbtt_fontinfo *info, stbtt_vertex *v) +{ + STBTT_free(v, info->userdata); +} + +////////////////////////////////////////////////////////////////////////////// +// +// antialiasing software rasterizer +// + +STBTT_DEF void stbtt_GetGlyphBitmapBoxSubpixel(const stbtt_fontinfo *font, int glyph, float scale_x, float scale_y,float shift_x, float shift_y, int *ix0, int *iy0, int *ix1, int *iy1) +{ + int x0=0,y0=0,x1,y1; // =0 suppresses compiler warning + if (!stbtt_GetGlyphBox(font, glyph, &x0,&y0,&x1,&y1)) { + // e.g. space character + if (ix0) *ix0 = 0; + if (iy0) *iy0 = 0; + if (ix1) *ix1 = 0; + if (iy1) *iy1 = 0; + } else { + // move to integral bboxes (treating pixels as little squares, what pixels get touched)? + if (ix0) *ix0 = STBTT_ifloor( x0 * scale_x + shift_x); + if (iy0) *iy0 = STBTT_ifloor(-y1 * scale_y + shift_y); + if (ix1) *ix1 = STBTT_iceil ( x1 * scale_x + shift_x); + if (iy1) *iy1 = STBTT_iceil (-y0 * scale_y + shift_y); + } +} + +STBTT_DEF void stbtt_GetGlyphBitmapBox(const stbtt_fontinfo *font, int glyph, float scale_x, float scale_y, int *ix0, int *iy0, int *ix1, int *iy1) +{ + stbtt_GetGlyphBitmapBoxSubpixel(font, glyph, scale_x, scale_y,0.0f,0.0f, ix0, iy0, ix1, iy1); +} + +STBTT_DEF void stbtt_GetCodepointBitmapBoxSubpixel(const stbtt_fontinfo *font, int codepoint, float scale_x, float scale_y, float shift_x, float shift_y, int *ix0, int *iy0, int *ix1, int *iy1) +{ + stbtt_GetGlyphBitmapBoxSubpixel(font, stbtt_FindGlyphIndex(font,codepoint), scale_x, scale_y,shift_x,shift_y, ix0,iy0,ix1,iy1); +} + +STBTT_DEF void stbtt_GetCodepointBitmapBox(const stbtt_fontinfo *font, int codepoint, float scale_x, float scale_y, int *ix0, int *iy0, int *ix1, int *iy1) +{ + stbtt_GetCodepointBitmapBoxSubpixel(font, codepoint, scale_x, scale_y,0.0f,0.0f, ix0,iy0,ix1,iy1); +} + +////////////////////////////////////////////////////////////////////////////// +// +// Rasterizer + +typedef struct stbtt__hheap_chunk +{ + struct stbtt__hheap_chunk *next; +} stbtt__hheap_chunk; + +typedef struct stbtt__hheap +{ + struct stbtt__hheap_chunk *head; + void *first_free; + int num_remaining_in_head_chunk; +} stbtt__hheap; + +static void *stbtt__hheap_alloc(stbtt__hheap *hh, size_t size, void *userdata) +{ + if (hh->first_free) { + void *p = hh->first_free; + hh->first_free = * (void **) p; + return p; + } else { + if (hh->num_remaining_in_head_chunk == 0) { + int count = (size < 32 ? 2000 : size < 128 ? 800 : 100); + stbtt__hheap_chunk *c = (stbtt__hheap_chunk *) STBTT_malloc(sizeof(stbtt__hheap_chunk) + size * count, userdata); + if (c == NULL) + return NULL; + c->next = hh->head; + hh->head = c; + hh->num_remaining_in_head_chunk = count; + } + --hh->num_remaining_in_head_chunk; + return (char *) (hh->head) + sizeof(stbtt__hheap_chunk) + size * hh->num_remaining_in_head_chunk; + } +} + +static void stbtt__hheap_free(stbtt__hheap *hh, void *p) +{ + *(void **) p = hh->first_free; + hh->first_free = p; +} + +static void stbtt__hheap_cleanup(stbtt__hheap *hh, void *userdata) +{ + stbtt__hheap_chunk *c = hh->head; + while (c) { + stbtt__hheap_chunk *n = c->next; + STBTT_free(c, userdata); + c = n; + } +} + +typedef struct stbtt__edge { + float x0,y0, x1,y1; + int invert; +} stbtt__edge; + + +typedef struct stbtt__active_edge +{ + struct stbtt__active_edge *next; + #if STBTT_RASTERIZER_VERSION==1 + int x,dx; + float ey; + int direction; + #elif STBTT_RASTERIZER_VERSION==2 + float fx,fdx,fdy; + float direction; + float sy; + float ey; + #else + #error "Unrecognized value of STBTT_RASTERIZER_VERSION" + #endif +} stbtt__active_edge; + +#if STBTT_RASTERIZER_VERSION == 1 +#define STBTT_FIXSHIFT 10 +#define STBTT_FIX (1 << STBTT_FIXSHIFT) +#define STBTT_FIXMASK (STBTT_FIX-1) + +static stbtt__active_edge *stbtt__new_active(stbtt__hheap *hh, stbtt__edge *e, int off_x, float start_point, void *userdata) +{ + stbtt__active_edge *z = (stbtt__active_edge *) stbtt__hheap_alloc(hh, sizeof(*z), userdata); + float dxdy = (e->x1 - e->x0) / (e->y1 - e->y0); + STBTT_assert(z != NULL); + if (!z) return z; + + // round dx down to avoid overshooting + if (dxdy < 0) + z->dx = -STBTT_ifloor(STBTT_FIX * -dxdy); + else + z->dx = STBTT_ifloor(STBTT_FIX * dxdy); + + z->x = STBTT_ifloor(STBTT_FIX * e->x0 + z->dx * (start_point - e->y0)); // use z->dx so when we offset later it's by the same amount + z->x -= off_x * STBTT_FIX; + + z->ey = e->y1; + z->next = 0; + z->direction = e->invert ? 1 : -1; + return z; +} +#elif STBTT_RASTERIZER_VERSION == 2 +static stbtt__active_edge *stbtt__new_active(stbtt__hheap *hh, stbtt__edge *e, int off_x, float start_point, void *userdata) +{ + stbtt__active_edge *z = (stbtt__active_edge *) stbtt__hheap_alloc(hh, sizeof(*z), userdata); + float dxdy = (e->x1 - e->x0) / (e->y1 - e->y0); + STBTT_assert(z != NULL); + //STBTT_assert(e->y0 <= start_point); + if (!z) return z; + z->fdx = dxdy; + z->fdy = dxdy != 0.0f ? (1.0f/dxdy) : 0.0f; + z->fx = e->x0 + dxdy * (start_point - e->y0); + z->fx -= off_x; + z->direction = e->invert ? 1.0f : -1.0f; + z->sy = e->y0; + z->ey = e->y1; + z->next = 0; + return z; +} +#else +#error "Unrecognized value of STBTT_RASTERIZER_VERSION" +#endif + +#if STBTT_RASTERIZER_VERSION == 1 +// note: this routine clips fills that extend off the edges... ideally this +// wouldn't happen, but it could happen if the truetype glyph bounding boxes +// are wrong, or if the user supplies a too-small bitmap +static void stbtt__fill_active_edges(unsigned char *scanline, int len, stbtt__active_edge *e, int max_weight) +{ + // non-zero winding fill + int x0=0, w=0; + + while (e) { + if (w == 0) { + // if we're currently at zero, we need to record the edge start point + x0 = e->x; w += e->direction; + } else { + int x1 = e->x; w += e->direction; + // if we went to zero, we need to draw + if (w == 0) { + int i = x0 >> STBTT_FIXSHIFT; + int j = x1 >> STBTT_FIXSHIFT; + + if (i < len && j >= 0) { + if (i == j) { + // x0,x1 are the same pixel, so compute combined coverage + scanline[i] = scanline[i] + (stbtt_uint8) ((x1 - x0) * max_weight >> STBTT_FIXSHIFT); + } else { + if (i >= 0) // add antialiasing for x0 + scanline[i] = scanline[i] + (stbtt_uint8) (((STBTT_FIX - (x0 & STBTT_FIXMASK)) * max_weight) >> STBTT_FIXSHIFT); + else + i = -1; // clip + + if (j < len) // add antialiasing for x1 + scanline[j] = scanline[j] + (stbtt_uint8) (((x1 & STBTT_FIXMASK) * max_weight) >> STBTT_FIXSHIFT); + else + j = len; // clip + + for (++i; i < j; ++i) // fill pixels between x0 and x1 + scanline[i] = scanline[i] + (stbtt_uint8) max_weight; + } + } + } + } + + e = e->next; + } +} + +static void stbtt__rasterize_sorted_edges(stbtt__bitmap *result, stbtt__edge *e, int n, int vsubsample, int off_x, int off_y, void *userdata) +{ + stbtt__hheap hh = { 0, 0, 0 }; + stbtt__active_edge *active = NULL; + int y,j=0; + int max_weight = (255 / vsubsample); // weight per vertical scanline + int s; // vertical subsample index + unsigned char scanline_data[512], *scanline; + + if (result->w > 512) + scanline = (unsigned char *) STBTT_malloc(result->w, userdata); + else + scanline = scanline_data; + + y = off_y * vsubsample; + e[n].y0 = (off_y + result->h) * (float) vsubsample + 1; + + while (j < result->h) { + STBTT_memset(scanline, 0, result->w); + for (s=0; s < vsubsample; ++s) { + // find center of pixel for this scanline + float scan_y = y + 0.5f; + stbtt__active_edge **step = &active; + + // update all active edges; + // remove all active edges that terminate before the center of this scanline + while (*step) { + stbtt__active_edge * z = *step; + if (z->ey <= scan_y) { + *step = z->next; // delete from list + STBTT_assert(z->direction); + z->direction = 0; + stbtt__hheap_free(&hh, z); + } else { + z->x += z->dx; // advance to position for current scanline + step = &((*step)->next); // advance through list + } + } + + // resort the list if needed + for(;;) { + int changed=0; + step = &active; + while (*step && (*step)->next) { + if ((*step)->x > (*step)->next->x) { + stbtt__active_edge *t = *step; + stbtt__active_edge *q = t->next; + + t->next = q->next; + q->next = t; + *step = q; + changed = 1; + } + step = &(*step)->next; + } + if (!changed) break; + } + + // insert all edges that start before the center of this scanline -- omit ones that also end on this scanline + while (e->y0 <= scan_y) { + if (e->y1 > scan_y) { + stbtt__active_edge *z = stbtt__new_active(&hh, e, off_x, scan_y, userdata); + if (z != NULL) { + // find insertion point + if (active == NULL) + active = z; + else if (z->x < active->x) { + // insert at front + z->next = active; + active = z; + } else { + // find thing to insert AFTER + stbtt__active_edge *p = active; + while (p->next && p->next->x < z->x) + p = p->next; + // at this point, p->next->x is NOT < z->x + z->next = p->next; + p->next = z; + } + } + } + ++e; + } + + // now process all active edges in XOR fashion + if (active) + stbtt__fill_active_edges(scanline, result->w, active, max_weight); + + ++y; + } + STBTT_memcpy(result->pixels + j * result->stride, scanline, result->w); + ++j; + } + + stbtt__hheap_cleanup(&hh, userdata); + + if (scanline != scanline_data) + STBTT_free(scanline, userdata); +} + +#elif STBTT_RASTERIZER_VERSION == 2 + +// the edge passed in here does not cross the vertical line at x or the vertical line at x+1 +// (i.e. it has already been clipped to those) +static void stbtt__handle_clipped_edge(float *scanline, int x, stbtt__active_edge *e, float x0, float y0, float x1, float y1) +{ + if (y0 == y1) return; + STBTT_assert(y0 < y1); + STBTT_assert(e->sy <= e->ey); + if (y0 > e->ey) return; + if (y1 < e->sy) return; + if (y0 < e->sy) { + x0 += (x1-x0) * (e->sy - y0) / (y1-y0); + y0 = e->sy; + } + if (y1 > e->ey) { + x1 += (x1-x0) * (e->ey - y1) / (y1-y0); + y1 = e->ey; + } + + if (x0 == x) + STBTT_assert(x1 <= x+1); + else if (x0 == x+1) + STBTT_assert(x1 >= x); + else if (x0 <= x) + STBTT_assert(x1 <= x); + else if (x0 >= x+1) + STBTT_assert(x1 >= x+1); + else + STBTT_assert(x1 >= x && x1 <= x+1); + + if (x0 <= x && x1 <= x) + scanline[x] += e->direction * (y1-y0); + else if (x0 >= x+1 && x1 >= x+1) + ; + else { + STBTT_assert(x0 >= x && x0 <= x+1 && x1 >= x && x1 <= x+1); + scanline[x] += e->direction * (y1-y0) * (1-((x0-x)+(x1-x))/2); // coverage = 1 - average x position + } +} + +static void stbtt__fill_active_edges_new(float *scanline, float *scanline_fill, int len, stbtt__active_edge *e, float y_top) +{ + float y_bottom = y_top+1; + + while (e) { + // brute force every pixel + + // compute intersection points with top & bottom + STBTT_assert(e->ey >= y_top); + + if (e->fdx == 0) { + float x0 = e->fx; + if (x0 < len) { + if (x0 >= 0) { + stbtt__handle_clipped_edge(scanline,(int) x0,e, x0,y_top, x0,y_bottom); + stbtt__handle_clipped_edge(scanline_fill-1,(int) x0+1,e, x0,y_top, x0,y_bottom); + } else { + stbtt__handle_clipped_edge(scanline_fill-1,0,e, x0,y_top, x0,y_bottom); + } + } + } else { + float x0 = e->fx; + float dx = e->fdx; + float xb = x0 + dx; + float x_top, x_bottom; + float sy0,sy1; + float dy = e->fdy; + STBTT_assert(e->sy <= y_bottom && e->ey >= y_top); + + // compute endpoints of line segment clipped to this scanline (if the + // line segment starts on this scanline. x0 is the intersection of the + // line with y_top, but that may be off the line segment. + if (e->sy > y_top) { + x_top = x0 + dx * (e->sy - y_top); + sy0 = e->sy; + } else { + x_top = x0; + sy0 = y_top; + } + if (e->ey < y_bottom) { + x_bottom = x0 + dx * (e->ey - y_top); + sy1 = e->ey; + } else { + x_bottom = xb; + sy1 = y_bottom; + } + + if (x_top >= 0 && x_bottom >= 0 && x_top < len && x_bottom < len) { + // from here on, we don't have to range check x values + + if ((int) x_top == (int) x_bottom) { + float height; + // simple case, only spans one pixel + int x = (int) x_top; + height = sy1 - sy0; + STBTT_assert(x >= 0 && x < len); + scanline[x] += e->direction * (1-((x_top - x) + (x_bottom-x))/2) * height; + scanline_fill[x] += e->direction * height; // everything right of this pixel is filled + } else { + int x,x1,x2; + float y_crossing, step, sign, area; + // covers 2+ pixels + if (x_top > x_bottom) { + // flip scanline vertically; signed area is the same + float t; + sy0 = y_bottom - (sy0 - y_top); + sy1 = y_bottom - (sy1 - y_top); + t = sy0, sy0 = sy1, sy1 = t; + t = x_bottom, x_bottom = x_top, x_top = t; + dx = -dx; + dy = -dy; + t = x0, x0 = xb, xb = t; + // [DEAR IMGUI] Fix static analyzer warning + (void)dx; // [ImGui: fix static analyzer warning] + } + + x1 = (int) x_top; + x2 = (int) x_bottom; + // compute intersection with y axis at x1+1 + y_crossing = (x1+1 - x0) * dy + y_top; + + sign = e->direction; + // area of the rectangle covered from y0..y_crossing + area = sign * (y_crossing-sy0); + // area of the triangle (x_top,y0), (x+1,y0), (x+1,y_crossing) + scanline[x1] += area * (1-((x_top - x1)+(x1+1-x1))/2); + + step = sign * dy; + for (x = x1+1; x < x2; ++x) { + scanline[x] += area + step/2; + area += step; + } + y_crossing += dy * (x2 - (x1+1)); + + STBTT_assert(STBTT_fabs(area) <= 1.01f); + + scanline[x2] += area + sign * (1-((x2-x2)+(x_bottom-x2))/2) * (sy1-y_crossing); + + scanline_fill[x2] += sign * (sy1-sy0); + } + } else { + // if edge goes outside of box we're drawing, we require + // clipping logic. since this does not match the intended use + // of this library, we use a different, very slow brute + // force implementation + int x; + for (x=0; x < len; ++x) { + // cases: + // + // there can be up to two intersections with the pixel. any intersection + // with left or right edges can be handled by splitting into two (or three) + // regions. intersections with top & bottom do not necessitate case-wise logic. + // + // the old way of doing this found the intersections with the left & right edges, + // then used some simple logic to produce up to three segments in sorted order + // from top-to-bottom. however, this had a problem: if an x edge was epsilon + // across the x border, then the corresponding y position might not be distinct + // from the other y segment, and it might ignored as an empty segment. to avoid + // that, we need to explicitly produce segments based on x positions. + + // rename variables to clearly-defined pairs + float y0 = y_top; + float x1 = (float) (x); + float x2 = (float) (x+1); + float x3 = xb; + float y3 = y_bottom; + + // x = e->x + e->dx * (y-y_top) + // (y-y_top) = (x - e->x) / e->dx + // y = (x - e->x) / e->dx + y_top + float y1 = (x - x0) / dx + y_top; + float y2 = (x+1 - x0) / dx + y_top; + + if (x0 < x1 && x3 > x2) { // three segments descending down-right + stbtt__handle_clipped_edge(scanline,x,e, x0,y0, x1,y1); + stbtt__handle_clipped_edge(scanline,x,e, x1,y1, x2,y2); + stbtt__handle_clipped_edge(scanline,x,e, x2,y2, x3,y3); + } else if (x3 < x1 && x0 > x2) { // three segments descending down-left + stbtt__handle_clipped_edge(scanline,x,e, x0,y0, x2,y2); + stbtt__handle_clipped_edge(scanline,x,e, x2,y2, x1,y1); + stbtt__handle_clipped_edge(scanline,x,e, x1,y1, x3,y3); + } else if (x0 < x1 && x3 > x1) { // two segments across x, down-right + stbtt__handle_clipped_edge(scanline,x,e, x0,y0, x1,y1); + stbtt__handle_clipped_edge(scanline,x,e, x1,y1, x3,y3); + } else if (x3 < x1 && x0 > x1) { // two segments across x, down-left + stbtt__handle_clipped_edge(scanline,x,e, x0,y0, x1,y1); + stbtt__handle_clipped_edge(scanline,x,e, x1,y1, x3,y3); + } else if (x0 < x2 && x3 > x2) { // two segments across x+1, down-right + stbtt__handle_clipped_edge(scanline,x,e, x0,y0, x2,y2); + stbtt__handle_clipped_edge(scanline,x,e, x2,y2, x3,y3); + } else if (x3 < x2 && x0 > x2) { // two segments across x+1, down-left + stbtt__handle_clipped_edge(scanline,x,e, x0,y0, x2,y2); + stbtt__handle_clipped_edge(scanline,x,e, x2,y2, x3,y3); + } else { // one segment + stbtt__handle_clipped_edge(scanline,x,e, x0,y0, x3,y3); + } + } + } + } + e = e->next; + } +} + +// directly AA rasterize edges w/o supersampling +static void stbtt__rasterize_sorted_edges(stbtt__bitmap *result, stbtt__edge *e, int n, int vsubsample, int off_x, int off_y, void *userdata) +{ + stbtt__hheap hh = { 0, 0, 0 }; + stbtt__active_edge *active = NULL; + int y,j=0, i; + float scanline_data[129], *scanline, *scanline2; + + STBTT__NOTUSED(vsubsample); + + if (result->w > 64) + scanline = (float *) STBTT_malloc((result->w*2+1) * sizeof(float), userdata); + else + scanline = scanline_data; + + scanline2 = scanline + result->w; + + y = off_y; + e[n].y0 = (float) (off_y + result->h) + 1; + + while (j < result->h) { + // find center of pixel for this scanline + float scan_y_top = y + 0.0f; + float scan_y_bottom = y + 1.0f; + stbtt__active_edge **step = &active; + + STBTT_memset(scanline , 0, result->w*sizeof(scanline[0])); + STBTT_memset(scanline2, 0, (result->w+1)*sizeof(scanline[0])); + + // update all active edges; + // remove all active edges that terminate before the top of this scanline + while (*step) { + stbtt__active_edge * z = *step; + if (z->ey <= scan_y_top) { + *step = z->next; // delete from list + STBTT_assert(z->direction); + z->direction = 0; + stbtt__hheap_free(&hh, z); + } else { + step = &((*step)->next); // advance through list + } + } + + // insert all edges that start before the bottom of this scanline + while (e->y0 <= scan_y_bottom) { + if (e->y0 != e->y1) { + stbtt__active_edge *z = stbtt__new_active(&hh, e, off_x, scan_y_top, userdata); + if (z != NULL) { + if (j == 0 && off_y != 0) { + if (z->ey < scan_y_top) { + // this can happen due to subpixel positioning and some kind of fp rounding error i think + z->ey = scan_y_top; + } + } + STBTT_assert(z->ey >= scan_y_top); // if we get really unlucky a tiny bit of an edge can be out of bounds + // insert at front + z->next = active; + active = z; + } + } + ++e; + } + + // now process all active edges + if (active) + stbtt__fill_active_edges_new(scanline, scanline2+1, result->w, active, scan_y_top); + + { + float sum = 0; + for (i=0; i < result->w; ++i) { + float k; + int m; + sum += scanline2[i]; + k = scanline[i] + sum; + k = (float) STBTT_fabs(k)*255 + 0.5f; + m = (int) k; + if (m > 255) m = 255; + result->pixels[j*result->stride + i] = (unsigned char) m; + } + } + // advance all the edges + step = &active; + while (*step) { + stbtt__active_edge *z = *step; + z->fx += z->fdx; // advance to position for current scanline + step = &((*step)->next); // advance through list + } + + ++y; + ++j; + } + + stbtt__hheap_cleanup(&hh, userdata); + + if (scanline != scanline_data) + STBTT_free(scanline, userdata); +} +#else +#error "Unrecognized value of STBTT_RASTERIZER_VERSION" +#endif + +#define STBTT__COMPARE(a,b) ((a)->y0 < (b)->y0) + +static void stbtt__sort_edges_ins_sort(stbtt__edge *p, int n) +{ + int i,j; + for (i=1; i < n; ++i) { + stbtt__edge t = p[i], *a = &t; + j = i; + while (j > 0) { + stbtt__edge *b = &p[j-1]; + int c = STBTT__COMPARE(a,b); + if (!c) break; + p[j] = p[j-1]; + --j; + } + if (i != j) + p[j] = t; + } +} + +static void stbtt__sort_edges_quicksort(stbtt__edge *p, int n) +{ + /* threshold for transitioning to insertion sort */ + while (n > 12) { + stbtt__edge t; + int c01,c12,c,m,i,j; + + /* compute median of three */ + m = n >> 1; + c01 = STBTT__COMPARE(&p[0],&p[m]); + c12 = STBTT__COMPARE(&p[m],&p[n-1]); + /* if 0 >= mid >= end, or 0 < mid < end, then use mid */ + if (c01 != c12) { + /* otherwise, we'll need to swap something else to middle */ + int z; + c = STBTT__COMPARE(&p[0],&p[n-1]); + /* 0>mid && midn => n; 0 0 */ + /* 0n: 0>n => 0; 0 n */ + z = (c == c12) ? 0 : n-1; + t = p[z]; + p[z] = p[m]; + p[m] = t; + } + /* now p[m] is the median-of-three */ + /* swap it to the beginning so it won't move around */ + t = p[0]; + p[0] = p[m]; + p[m] = t; + + /* partition loop */ + i=1; + j=n-1; + for(;;) { + /* handling of equality is crucial here */ + /* for sentinels & efficiency with duplicates */ + for (;;++i) { + if (!STBTT__COMPARE(&p[i], &p[0])) break; + } + for (;;--j) { + if (!STBTT__COMPARE(&p[0], &p[j])) break; + } + /* make sure we haven't crossed */ + if (i >= j) break; + t = p[i]; + p[i] = p[j]; + p[j] = t; + + ++i; + --j; + } + /* recurse on smaller side, iterate on larger */ + if (j < (n-i)) { + stbtt__sort_edges_quicksort(p,j); + p = p+i; + n = n-i; + } else { + stbtt__sort_edges_quicksort(p+i, n-i); + n = j; + } + } +} + +static void stbtt__sort_edges(stbtt__edge *p, int n) +{ + stbtt__sort_edges_quicksort(p, n); + stbtt__sort_edges_ins_sort(p, n); +} + +typedef struct +{ + float x,y; +} stbtt__point; + +static void stbtt__rasterize(stbtt__bitmap *result, stbtt__point *pts, int *wcount, int windings, float scale_x, float scale_y, float shift_x, float shift_y, int off_x, int off_y, int invert, void *userdata) +{ + float y_scale_inv = invert ? -scale_y : scale_y; + stbtt__edge *e; + int n,i,j,k,m; +#if STBTT_RASTERIZER_VERSION == 1 + int vsubsample = result->h < 8 ? 15 : 5; +#elif STBTT_RASTERIZER_VERSION == 2 + int vsubsample = 1; +#else + #error "Unrecognized value of STBTT_RASTERIZER_VERSION" +#endif + // vsubsample should divide 255 evenly; otherwise we won't reach full opacity + + // now we have to blow out the windings into explicit edge lists + n = 0; + for (i=0; i < windings; ++i) + n += wcount[i]; + + e = (stbtt__edge *) STBTT_malloc(sizeof(*e) * (n+1), userdata); // add an extra one as a sentinel + if (e == 0) return; + n = 0; + + m=0; + for (i=0; i < windings; ++i) { + stbtt__point *p = pts + m; + m += wcount[i]; + j = wcount[i]-1; + for (k=0; k < wcount[i]; j=k++) { + int a=k,b=j; + // skip the edge if horizontal + if (p[j].y == p[k].y) + continue; + // add edge from j to k to the list + e[n].invert = 0; + if (invert ? p[j].y > p[k].y : p[j].y < p[k].y) { + e[n].invert = 1; + a=j,b=k; + } + e[n].x0 = p[a].x * scale_x + shift_x; + e[n].y0 = (p[a].y * y_scale_inv + shift_y) * vsubsample; + e[n].x1 = p[b].x * scale_x + shift_x; + e[n].y1 = (p[b].y * y_scale_inv + shift_y) * vsubsample; + ++n; + } + } + + // now sort the edges by their highest point (should snap to integer, and then by x) + //STBTT_sort(e, n, sizeof(e[0]), stbtt__edge_compare); + stbtt__sort_edges(e, n); + + // now, traverse the scanlines and find the intersections on each scanline, use xor winding rule + stbtt__rasterize_sorted_edges(result, e, n, vsubsample, off_x, off_y, userdata); + + STBTT_free(e, userdata); +} + +static void stbtt__add_point(stbtt__point *points, int n, float x, float y) +{ + if (!points) return; // during first pass, it's unallocated + points[n].x = x; + points[n].y = y; +} + +// tessellate until threshold p is happy... @TODO warped to compensate for non-linear stretching +static int stbtt__tesselate_curve(stbtt__point *points, int *num_points, float x0, float y0, float x1, float y1, float x2, float y2, float objspace_flatness_squared, int n) +{ + // midpoint + float mx = (x0 + 2*x1 + x2)/4; + float my = (y0 + 2*y1 + y2)/4; + // versus directly drawn line + float dx = (x0+x2)/2 - mx; + float dy = (y0+y2)/2 - my; + if (n > 16) // 65536 segments on one curve better be enough! + return 1; + if (dx*dx+dy*dy > objspace_flatness_squared) { // half-pixel error allowed... need to be smaller if AA + stbtt__tesselate_curve(points, num_points, x0,y0, (x0+x1)/2.0f,(y0+y1)/2.0f, mx,my, objspace_flatness_squared,n+1); + stbtt__tesselate_curve(points, num_points, mx,my, (x1+x2)/2.0f,(y1+y2)/2.0f, x2,y2, objspace_flatness_squared,n+1); + } else { + stbtt__add_point(points, *num_points,x2,y2); + *num_points = *num_points+1; + } + return 1; +} + +static void stbtt__tesselate_cubic(stbtt__point *points, int *num_points, float x0, float y0, float x1, float y1, float x2, float y2, float x3, float y3, float objspace_flatness_squared, int n) +{ + // @TODO this "flatness" calculation is just made-up nonsense that seems to work well enough + float dx0 = x1-x0; + float dy0 = y1-y0; + float dx1 = x2-x1; + float dy1 = y2-y1; + float dx2 = x3-x2; + float dy2 = y3-y2; + float dx = x3-x0; + float dy = y3-y0; + float longlen = (float) (STBTT_sqrt(dx0*dx0+dy0*dy0)+STBTT_sqrt(dx1*dx1+dy1*dy1)+STBTT_sqrt(dx2*dx2+dy2*dy2)); + float shortlen = (float) STBTT_sqrt(dx*dx+dy*dy); + float flatness_squared = longlen*longlen-shortlen*shortlen; + + if (n > 16) // 65536 segments on one curve better be enough! + return; + + if (flatness_squared > objspace_flatness_squared) { + float x01 = (x0+x1)/2; + float y01 = (y0+y1)/2; + float x12 = (x1+x2)/2; + float y12 = (y1+y2)/2; + float x23 = (x2+x3)/2; + float y23 = (y2+y3)/2; + + float xa = (x01+x12)/2; + float ya = (y01+y12)/2; + float xb = (x12+x23)/2; + float yb = (y12+y23)/2; + + float mx = (xa+xb)/2; + float my = (ya+yb)/2; + + stbtt__tesselate_cubic(points, num_points, x0,y0, x01,y01, xa,ya, mx,my, objspace_flatness_squared,n+1); + stbtt__tesselate_cubic(points, num_points, mx,my, xb,yb, x23,y23, x3,y3, objspace_flatness_squared,n+1); + } else { + stbtt__add_point(points, *num_points,x3,y3); + *num_points = *num_points+1; + } +} + +// returns number of contours +static stbtt__point *stbtt_FlattenCurves(stbtt_vertex *vertices, int num_verts, float objspace_flatness, int **contour_lengths, int *num_contours, void *userdata) +{ + stbtt__point *points=0; + int num_points=0; + + float objspace_flatness_squared = objspace_flatness * objspace_flatness; + int i,n=0,start=0, pass; + + // count how many "moves" there are to get the contour count + for (i=0; i < num_verts; ++i) + if (vertices[i].type == STBTT_vmove) + ++n; + + *num_contours = n; + if (n == 0) return 0; + + *contour_lengths = (int *) STBTT_malloc(sizeof(**contour_lengths) * n, userdata); + + if (*contour_lengths == 0) { + *num_contours = 0; + return 0; + } + + // make two passes through the points so we don't need to realloc + for (pass=0; pass < 2; ++pass) { + float x=0,y=0; + if (pass == 1) { + points = (stbtt__point *) STBTT_malloc(num_points * sizeof(points[0]), userdata); + if (points == NULL) goto error; + } + num_points = 0; + n= -1; + for (i=0; i < num_verts; ++i) { + switch (vertices[i].type) { + case STBTT_vmove: + // start the next contour + if (n >= 0) + (*contour_lengths)[n] = num_points - start; + ++n; + start = num_points; + + x = vertices[i].x, y = vertices[i].y; + stbtt__add_point(points, num_points++, x,y); + break; + case STBTT_vline: + x = vertices[i].x, y = vertices[i].y; + stbtt__add_point(points, num_points++, x, y); + break; + case STBTT_vcurve: + stbtt__tesselate_curve(points, &num_points, x,y, + vertices[i].cx, vertices[i].cy, + vertices[i].x, vertices[i].y, + objspace_flatness_squared, 0); + x = vertices[i].x, y = vertices[i].y; + break; + case STBTT_vcubic: + stbtt__tesselate_cubic(points, &num_points, x,y, + vertices[i].cx, vertices[i].cy, + vertices[i].cx1, vertices[i].cy1, + vertices[i].x, vertices[i].y, + objspace_flatness_squared, 0); + x = vertices[i].x, y = vertices[i].y; + break; + } + } + (*contour_lengths)[n] = num_points - start; + } + + return points; +error: + STBTT_free(points, userdata); + STBTT_free(*contour_lengths, userdata); + *contour_lengths = 0; + *num_contours = 0; + return NULL; +} + +STBTT_DEF void stbtt_Rasterize(stbtt__bitmap *result, float flatness_in_pixels, stbtt_vertex *vertices, int num_verts, float scale_x, float scale_y, float shift_x, float shift_y, int x_off, int y_off, int invert, void *userdata) +{ + float scale = scale_x > scale_y ? scale_y : scale_x; + int winding_count = 0; + int *winding_lengths = NULL; + stbtt__point *windings = stbtt_FlattenCurves(vertices, num_verts, flatness_in_pixels / scale, &winding_lengths, &winding_count, userdata); + if (windings) { + stbtt__rasterize(result, windings, winding_lengths, winding_count, scale_x, scale_y, shift_x, shift_y, x_off, y_off, invert, userdata); + STBTT_free(winding_lengths, userdata); + STBTT_free(windings, userdata); + } +} + +STBTT_DEF void stbtt_FreeBitmap(unsigned char *bitmap, void *userdata) +{ + STBTT_free(bitmap, userdata); +} + +STBTT_DEF unsigned char *stbtt_GetGlyphBitmapSubpixel(const stbtt_fontinfo *info, float scale_x, float scale_y, float shift_x, float shift_y, int glyph, int *width, int *height, int *xoff, int *yoff) +{ + int ix0,iy0,ix1,iy1; + stbtt__bitmap gbm; + stbtt_vertex *vertices; + int num_verts = stbtt_GetGlyphShape(info, glyph, &vertices); + + if (scale_x == 0) scale_x = scale_y; + if (scale_y == 0) { + if (scale_x == 0) { + STBTT_free(vertices, info->userdata); + return NULL; + } + scale_y = scale_x; + } + + stbtt_GetGlyphBitmapBoxSubpixel(info, glyph, scale_x, scale_y, shift_x, shift_y, &ix0,&iy0,&ix1,&iy1); + + // now we get the size + gbm.w = (ix1 - ix0); + gbm.h = (iy1 - iy0); + gbm.pixels = NULL; // in case we error + + if (width ) *width = gbm.w; + if (height) *height = gbm.h; + if (xoff ) *xoff = ix0; + if (yoff ) *yoff = iy0; + + if (gbm.w && gbm.h) { + gbm.pixels = (unsigned char *) STBTT_malloc(gbm.w * gbm.h, info->userdata); + if (gbm.pixels) { + gbm.stride = gbm.w; + + stbtt_Rasterize(&gbm, 0.35f, vertices, num_verts, scale_x, scale_y, shift_x, shift_y, ix0, iy0, 1, info->userdata); + } + } + STBTT_free(vertices, info->userdata); + return gbm.pixels; +} + +STBTT_DEF unsigned char *stbtt_GetGlyphBitmap(const stbtt_fontinfo *info, float scale_x, float scale_y, int glyph, int *width, int *height, int *xoff, int *yoff) +{ + return stbtt_GetGlyphBitmapSubpixel(info, scale_x, scale_y, 0.0f, 0.0f, glyph, width, height, xoff, yoff); +} + +STBTT_DEF void stbtt_MakeGlyphBitmapSubpixel(const stbtt_fontinfo *info, unsigned char *output, int out_w, int out_h, int out_stride, float scale_x, float scale_y, float shift_x, float shift_y, int glyph) +{ + int ix0,iy0; + stbtt_vertex *vertices; + int num_verts = stbtt_GetGlyphShape(info, glyph, &vertices); + stbtt__bitmap gbm; + + stbtt_GetGlyphBitmapBoxSubpixel(info, glyph, scale_x, scale_y, shift_x, shift_y, &ix0,&iy0,0,0); + gbm.pixels = output; + gbm.w = out_w; + gbm.h = out_h; + gbm.stride = out_stride; + + if (gbm.w && gbm.h) + stbtt_Rasterize(&gbm, 0.35f, vertices, num_verts, scale_x, scale_y, shift_x, shift_y, ix0,iy0, 1, info->userdata); + + STBTT_free(vertices, info->userdata); +} + +STBTT_DEF void stbtt_MakeGlyphBitmap(const stbtt_fontinfo *info, unsigned char *output, int out_w, int out_h, int out_stride, float scale_x, float scale_y, int glyph) +{ + stbtt_MakeGlyphBitmapSubpixel(info, output, out_w, out_h, out_stride, scale_x, scale_y, 0.0f,0.0f, glyph); +} + +STBTT_DEF unsigned char *stbtt_GetCodepointBitmapSubpixel(const stbtt_fontinfo *info, float scale_x, float scale_y, float shift_x, float shift_y, int codepoint, int *width, int *height, int *xoff, int *yoff) +{ + return stbtt_GetGlyphBitmapSubpixel(info, scale_x, scale_y,shift_x,shift_y, stbtt_FindGlyphIndex(info,codepoint), width,height,xoff,yoff); +} + +STBTT_DEF void stbtt_MakeCodepointBitmapSubpixelPrefilter(const stbtt_fontinfo *info, unsigned char *output, int out_w, int out_h, int out_stride, float scale_x, float scale_y, float shift_x, float shift_y, int oversample_x, int oversample_y, float *sub_x, float *sub_y, int codepoint) +{ + stbtt_MakeGlyphBitmapSubpixelPrefilter(info, output, out_w, out_h, out_stride, scale_x, scale_y, shift_x, shift_y, oversample_x, oversample_y, sub_x, sub_y, stbtt_FindGlyphIndex(info,codepoint)); +} + +STBTT_DEF void stbtt_MakeCodepointBitmapSubpixel(const stbtt_fontinfo *info, unsigned char *output, int out_w, int out_h, int out_stride, float scale_x, float scale_y, float shift_x, float shift_y, int codepoint) +{ + stbtt_MakeGlyphBitmapSubpixel(info, output, out_w, out_h, out_stride, scale_x, scale_y, shift_x, shift_y, stbtt_FindGlyphIndex(info,codepoint)); +} + +STBTT_DEF unsigned char *stbtt_GetCodepointBitmap(const stbtt_fontinfo *info, float scale_x, float scale_y, int codepoint, int *width, int *height, int *xoff, int *yoff) +{ + return stbtt_GetCodepointBitmapSubpixel(info, scale_x, scale_y, 0.0f,0.0f, codepoint, width,height,xoff,yoff); +} + +STBTT_DEF void stbtt_MakeCodepointBitmap(const stbtt_fontinfo *info, unsigned char *output, int out_w, int out_h, int out_stride, float scale_x, float scale_y, int codepoint) +{ + stbtt_MakeCodepointBitmapSubpixel(info, output, out_w, out_h, out_stride, scale_x, scale_y, 0.0f,0.0f, codepoint); +} + +////////////////////////////////////////////////////////////////////////////// +// +// bitmap baking +// +// This is SUPER-CRAPPY packing to keep source code small + +static int stbtt_BakeFontBitmap_internal(unsigned char *data, int offset, // font location (use offset=0 for plain .ttf) + float pixel_height, // height of font in pixels + unsigned char *pixels, int pw, int ph, // bitmap to be filled in + int first_char, int num_chars, // characters to bake + stbtt_bakedchar *chardata) +{ + float scale; + int x,y,bottom_y, i; + stbtt_fontinfo f; + f.userdata = NULL; + if (!stbtt_InitFont(&f, data, offset)) + return -1; + STBTT_memset(pixels, 0, pw*ph); // background of 0 around pixels + x=y=1; + bottom_y = 1; + + scale = stbtt_ScaleForPixelHeight(&f, pixel_height); + + for (i=0; i < num_chars; ++i) { + int advance, lsb, x0,y0,x1,y1,gw,gh; + int g = stbtt_FindGlyphIndex(&f, first_char + i); + stbtt_GetGlyphHMetrics(&f, g, &advance, &lsb); + stbtt_GetGlyphBitmapBox(&f, g, scale,scale, &x0,&y0,&x1,&y1); + gw = x1-x0; + gh = y1-y0; + if (x + gw + 1 >= pw) + y = bottom_y, x = 1; // advance to next row + if (y + gh + 1 >= ph) // check if it fits vertically AFTER potentially moving to next row + return -i; + STBTT_assert(x+gw < pw); + STBTT_assert(y+gh < ph); + stbtt_MakeGlyphBitmap(&f, pixels+x+y*pw, gw,gh,pw, scale,scale, g); + chardata[i].x0 = (stbtt_int16) x; + chardata[i].y0 = (stbtt_int16) y; + chardata[i].x1 = (stbtt_int16) (x + gw); + chardata[i].y1 = (stbtt_int16) (y + gh); + chardata[i].xadvance = scale * advance; + chardata[i].xoff = (float) x0; + chardata[i].yoff = (float) y0; + x = x + gw + 1; + if (y+gh+1 > bottom_y) + bottom_y = y+gh+1; + } + return bottom_y; +} + +STBTT_DEF void stbtt_GetBakedQuad(const stbtt_bakedchar *chardata, int pw, int ph, int char_index, float *xpos, float *ypos, stbtt_aligned_quad *q, int opengl_fillrule) +{ + float d3d_bias = opengl_fillrule ? 0 : -0.5f; + float ipw = 1.0f / pw, iph = 1.0f / ph; + const stbtt_bakedchar *b = chardata + char_index; + int round_x = STBTT_ifloor((*xpos + b->xoff) + 0.5f); + int round_y = STBTT_ifloor((*ypos + b->yoff) + 0.5f); + + q->x0 = round_x + d3d_bias; + q->y0 = round_y + d3d_bias; + q->x1 = round_x + b->x1 - b->x0 + d3d_bias; + q->y1 = round_y + b->y1 - b->y0 + d3d_bias; + + q->s0 = b->x0 * ipw; + q->t0 = b->y0 * iph; + q->s1 = b->x1 * ipw; + q->t1 = b->y1 * iph; + + *xpos += b->xadvance; +} + +////////////////////////////////////////////////////////////////////////////// +// +// rectangle packing replacement routines if you don't have stb_rect_pack.h +// + +#ifndef STB_RECT_PACK_VERSION + +typedef int stbrp_coord; + +//////////////////////////////////////////////////////////////////////////////////// +// // +// // +// COMPILER WARNING ?!?!? // +// // +// // +// if you get a compile warning due to these symbols being defined more than // +// once, move #include "stb_rect_pack.h" before #include "stb_truetype.h" // +// // +//////////////////////////////////////////////////////////////////////////////////// + +typedef struct +{ + int width,height; + int x,y,bottom_y; +} stbrp_context; + +typedef struct +{ + unsigned char x; +} stbrp_node; + +struct stbrp_rect +{ + stbrp_coord x,y; + int id,w,h,was_packed; +}; + +static void stbrp_init_target(stbrp_context *con, int pw, int ph, stbrp_node *nodes, int num_nodes) +{ + con->width = pw; + con->height = ph; + con->x = 0; + con->y = 0; + con->bottom_y = 0; + STBTT__NOTUSED(nodes); + STBTT__NOTUSED(num_nodes); +} + +static void stbrp_pack_rects(stbrp_context *con, stbrp_rect *rects, int num_rects) +{ + int i; + for (i=0; i < num_rects; ++i) { + if (con->x + rects[i].w > con->width) { + con->x = 0; + con->y = con->bottom_y; + } + if (con->y + rects[i].h > con->height) + break; + rects[i].x = con->x; + rects[i].y = con->y; + rects[i].was_packed = 1; + con->x += rects[i].w; + if (con->y + rects[i].h > con->bottom_y) + con->bottom_y = con->y + rects[i].h; + } + for ( ; i < num_rects; ++i) + rects[i].was_packed = 0; +} +#endif + +////////////////////////////////////////////////////////////////////////////// +// +// bitmap baking +// +// This is SUPER-AWESOME (tm Ryan Gordon) packing using stb_rect_pack.h. If +// stb_rect_pack.h isn't available, it uses the BakeFontBitmap strategy. + +STBTT_DEF int stbtt_PackBegin(stbtt_pack_context *spc, unsigned char *pixels, int pw, int ph, int stride_in_bytes, int padding, void *alloc_context) +{ + stbrp_context *context = (stbrp_context *) STBTT_malloc(sizeof(*context) ,alloc_context); + int num_nodes = pw - padding; + stbrp_node *nodes = (stbrp_node *) STBTT_malloc(sizeof(*nodes ) * num_nodes,alloc_context); + + if (context == NULL || nodes == NULL) { + if (context != NULL) STBTT_free(context, alloc_context); + if (nodes != NULL) STBTT_free(nodes , alloc_context); + return 0; + } + + spc->user_allocator_context = alloc_context; + spc->width = pw; + spc->height = ph; + spc->pixels = pixels; + spc->pack_info = context; + spc->nodes = nodes; + spc->padding = padding; + spc->stride_in_bytes = stride_in_bytes != 0 ? stride_in_bytes : pw; + spc->h_oversample = 1; + spc->v_oversample = 1; + spc->skip_missing = 0; + + stbrp_init_target(context, pw-padding, ph-padding, nodes, num_nodes); + + if (pixels) + STBTT_memset(pixels, 0, pw*ph); // background of 0 around pixels + + return 1; +} + +STBTT_DEF void stbtt_PackEnd (stbtt_pack_context *spc) +{ + STBTT_free(spc->nodes , spc->user_allocator_context); + STBTT_free(spc->pack_info, spc->user_allocator_context); +} + +STBTT_DEF void stbtt_PackSetOversampling(stbtt_pack_context *spc, unsigned int h_oversample, unsigned int v_oversample) +{ + STBTT_assert(h_oversample <= STBTT_MAX_OVERSAMPLE); + STBTT_assert(v_oversample <= STBTT_MAX_OVERSAMPLE); + if (h_oversample <= STBTT_MAX_OVERSAMPLE) + spc->h_oversample = h_oversample; + if (v_oversample <= STBTT_MAX_OVERSAMPLE) + spc->v_oversample = v_oversample; +} + +STBTT_DEF void stbtt_PackSetSkipMissingCodepoints(stbtt_pack_context *spc, int skip) +{ + spc->skip_missing = skip; +} + +#define STBTT__OVER_MASK (STBTT_MAX_OVERSAMPLE-1) + +static void stbtt__h_prefilter(unsigned char *pixels, int w, int h, int stride_in_bytes, unsigned int kernel_width) +{ + unsigned char buffer[STBTT_MAX_OVERSAMPLE]; + int safe_w = w - kernel_width; + int j; + STBTT_memset(buffer, 0, STBTT_MAX_OVERSAMPLE); // suppress bogus warning from VS2013 -analyze + for (j=0; j < h; ++j) { + int i; + unsigned int total; + STBTT_memset(buffer, 0, kernel_width); + + total = 0; + + // make kernel_width a constant in common cases so compiler can optimize out the divide + switch (kernel_width) { + case 2: + for (i=0; i <= safe_w; ++i) { + total += pixels[i] - buffer[i & STBTT__OVER_MASK]; + buffer[(i+kernel_width) & STBTT__OVER_MASK] = pixels[i]; + pixels[i] = (unsigned char) (total / 2); + } + break; + case 3: + for (i=0; i <= safe_w; ++i) { + total += pixels[i] - buffer[i & STBTT__OVER_MASK]; + buffer[(i+kernel_width) & STBTT__OVER_MASK] = pixels[i]; + pixels[i] = (unsigned char) (total / 3); + } + break; + case 4: + for (i=0; i <= safe_w; ++i) { + total += pixels[i] - buffer[i & STBTT__OVER_MASK]; + buffer[(i+kernel_width) & STBTT__OVER_MASK] = pixels[i]; + pixels[i] = (unsigned char) (total / 4); + } + break; + case 5: + for (i=0; i <= safe_w; ++i) { + total += pixels[i] - buffer[i & STBTT__OVER_MASK]; + buffer[(i+kernel_width) & STBTT__OVER_MASK] = pixels[i]; + pixels[i] = (unsigned char) (total / 5); + } + break; + default: + for (i=0; i <= safe_w; ++i) { + total += pixels[i] - buffer[i & STBTT__OVER_MASK]; + buffer[(i+kernel_width) & STBTT__OVER_MASK] = pixels[i]; + pixels[i] = (unsigned char) (total / kernel_width); + } + break; + } + + for (; i < w; ++i) { + STBTT_assert(pixels[i] == 0); + total -= buffer[i & STBTT__OVER_MASK]; + pixels[i] = (unsigned char) (total / kernel_width); + } + + pixels += stride_in_bytes; + } +} + +static void stbtt__v_prefilter(unsigned char *pixels, int w, int h, int stride_in_bytes, unsigned int kernel_width) +{ + unsigned char buffer[STBTT_MAX_OVERSAMPLE]; + int safe_h = h - kernel_width; + int j; + STBTT_memset(buffer, 0, STBTT_MAX_OVERSAMPLE); // suppress bogus warning from VS2013 -analyze + for (j=0; j < w; ++j) { + int i; + unsigned int total; + STBTT_memset(buffer, 0, kernel_width); + + total = 0; + + // make kernel_width a constant in common cases so compiler can optimize out the divide + switch (kernel_width) { + case 2: + for (i=0; i <= safe_h; ++i) { + total += pixels[i*stride_in_bytes] - buffer[i & STBTT__OVER_MASK]; + buffer[(i+kernel_width) & STBTT__OVER_MASK] = pixels[i*stride_in_bytes]; + pixels[i*stride_in_bytes] = (unsigned char) (total / 2); + } + break; + case 3: + for (i=0; i <= safe_h; ++i) { + total += pixels[i*stride_in_bytes] - buffer[i & STBTT__OVER_MASK]; + buffer[(i+kernel_width) & STBTT__OVER_MASK] = pixels[i*stride_in_bytes]; + pixels[i*stride_in_bytes] = (unsigned char) (total / 3); + } + break; + case 4: + for (i=0; i <= safe_h; ++i) { + total += pixels[i*stride_in_bytes] - buffer[i & STBTT__OVER_MASK]; + buffer[(i+kernel_width) & STBTT__OVER_MASK] = pixels[i*stride_in_bytes]; + pixels[i*stride_in_bytes] = (unsigned char) (total / 4); + } + break; + case 5: + for (i=0; i <= safe_h; ++i) { + total += pixels[i*stride_in_bytes] - buffer[i & STBTT__OVER_MASK]; + buffer[(i+kernel_width) & STBTT__OVER_MASK] = pixels[i*stride_in_bytes]; + pixels[i*stride_in_bytes] = (unsigned char) (total / 5); + } + break; + default: + for (i=0; i <= safe_h; ++i) { + total += pixels[i*stride_in_bytes] - buffer[i & STBTT__OVER_MASK]; + buffer[(i+kernel_width) & STBTT__OVER_MASK] = pixels[i*stride_in_bytes]; + pixels[i*stride_in_bytes] = (unsigned char) (total / kernel_width); + } + break; + } + + for (; i < h; ++i) { + STBTT_assert(pixels[i*stride_in_bytes] == 0); + total -= buffer[i & STBTT__OVER_MASK]; + pixels[i*stride_in_bytes] = (unsigned char) (total / kernel_width); + } + + pixels += 1; + } +} + +static float stbtt__oversample_shift(int oversample) +{ + if (!oversample) + return 0.0f; + + // The prefilter is a box filter of width "oversample", + // which shifts phase by (oversample - 1)/2 pixels in + // oversampled space. We want to shift in the opposite + // direction to counter this. + return (float)-(oversample - 1) / (2.0f * (float)oversample); +} + +// rects array must be big enough to accommodate all characters in the given ranges +STBTT_DEF int stbtt_PackFontRangesGatherRects(stbtt_pack_context *spc, const stbtt_fontinfo *info, stbtt_pack_range *ranges, int num_ranges, stbrp_rect *rects) +{ + int i,j,k; + + k=0; + for (i=0; i < num_ranges; ++i) { + float fh = ranges[i].font_size; + float scale = fh > 0 ? stbtt_ScaleForPixelHeight(info, fh) : stbtt_ScaleForMappingEmToPixels(info, -fh); + ranges[i].h_oversample = (unsigned char) spc->h_oversample; + ranges[i].v_oversample = (unsigned char) spc->v_oversample; + for (j=0; j < ranges[i].num_chars; ++j) { + int x0,y0,x1,y1; + int codepoint = ranges[i].array_of_unicode_codepoints == NULL ? ranges[i].first_unicode_codepoint_in_range + j : ranges[i].array_of_unicode_codepoints[j]; + int glyph = stbtt_FindGlyphIndex(info, codepoint); + if (glyph == 0 && spc->skip_missing) { + rects[k].w = rects[k].h = 0; + } else { + stbtt_GetGlyphBitmapBoxSubpixel(info,glyph, + scale * spc->h_oversample, + scale * spc->v_oversample, + 0,0, + &x0,&y0,&x1,&y1); + rects[k].w = (stbrp_coord) (x1-x0 + spc->padding + spc->h_oversample-1); + rects[k].h = (stbrp_coord) (y1-y0 + spc->padding + spc->v_oversample-1); + } + ++k; + } + } + + return k; +} + +STBTT_DEF void stbtt_MakeGlyphBitmapSubpixelPrefilter(const stbtt_fontinfo *info, unsigned char *output, int out_w, int out_h, int out_stride, float scale_x, float scale_y, float shift_x, float shift_y, int prefilter_x, int prefilter_y, float *sub_x, float *sub_y, int glyph) +{ + stbtt_MakeGlyphBitmapSubpixel(info, + output, + out_w - (prefilter_x - 1), + out_h - (prefilter_y - 1), + out_stride, + scale_x, + scale_y, + shift_x, + shift_y, + glyph); + + if (prefilter_x > 1) + stbtt__h_prefilter(output, out_w, out_h, out_stride, prefilter_x); + + if (prefilter_y > 1) + stbtt__v_prefilter(output, out_w, out_h, out_stride, prefilter_y); + + *sub_x = stbtt__oversample_shift(prefilter_x); + *sub_y = stbtt__oversample_shift(prefilter_y); +} + +// rects array must be big enough to accommodate all characters in the given ranges +STBTT_DEF int stbtt_PackFontRangesRenderIntoRects(stbtt_pack_context *spc, const stbtt_fontinfo *info, stbtt_pack_range *ranges, int num_ranges, stbrp_rect *rects) +{ + int i,j,k, return_value = 1; + + // save current values + int old_h_over = spc->h_oversample; + int old_v_over = spc->v_oversample; + + k = 0; + for (i=0; i < num_ranges; ++i) { + float fh = ranges[i].font_size; + float scale = fh > 0 ? stbtt_ScaleForPixelHeight(info, fh) : stbtt_ScaleForMappingEmToPixels(info, -fh); + float recip_h,recip_v,sub_x,sub_y; + spc->h_oversample = ranges[i].h_oversample; + spc->v_oversample = ranges[i].v_oversample; + recip_h = 1.0f / spc->h_oversample; + recip_v = 1.0f / spc->v_oversample; + sub_x = stbtt__oversample_shift(spc->h_oversample); + sub_y = stbtt__oversample_shift(spc->v_oversample); + for (j=0; j < ranges[i].num_chars; ++j) { + stbrp_rect *r = &rects[k]; + if (r->was_packed && r->w != 0 && r->h != 0) { + stbtt_packedchar *bc = &ranges[i].chardata_for_range[j]; + int advance, lsb, x0,y0,x1,y1; + int codepoint = ranges[i].array_of_unicode_codepoints == NULL ? ranges[i].first_unicode_codepoint_in_range + j : ranges[i].array_of_unicode_codepoints[j]; + int glyph = stbtt_FindGlyphIndex(info, codepoint); + stbrp_coord pad = (stbrp_coord) spc->padding; + + // pad on left and top + r->x += pad; + r->y += pad; + r->w -= pad; + r->h -= pad; + stbtt_GetGlyphHMetrics(info, glyph, &advance, &lsb); + stbtt_GetGlyphBitmapBox(info, glyph, + scale * spc->h_oversample, + scale * spc->v_oversample, + &x0,&y0,&x1,&y1); + stbtt_MakeGlyphBitmapSubpixel(info, + spc->pixels + r->x + r->y*spc->stride_in_bytes, + r->w - spc->h_oversample+1, + r->h - spc->v_oversample+1, + spc->stride_in_bytes, + scale * spc->h_oversample, + scale * spc->v_oversample, + 0,0, + glyph); + + if (spc->h_oversample > 1) + stbtt__h_prefilter(spc->pixels + r->x + r->y*spc->stride_in_bytes, + r->w, r->h, spc->stride_in_bytes, + spc->h_oversample); + + if (spc->v_oversample > 1) + stbtt__v_prefilter(spc->pixels + r->x + r->y*spc->stride_in_bytes, + r->w, r->h, spc->stride_in_bytes, + spc->v_oversample); + + bc->x0 = (stbtt_int16) r->x; + bc->y0 = (stbtt_int16) r->y; + bc->x1 = (stbtt_int16) (r->x + r->w); + bc->y1 = (stbtt_int16) (r->y + r->h); + bc->xadvance = scale * advance; + bc->xoff = (float) x0 * recip_h + sub_x; + bc->yoff = (float) y0 * recip_v + sub_y; + bc->xoff2 = (x0 + r->w) * recip_h + sub_x; + bc->yoff2 = (y0 + r->h) * recip_v + sub_y; + } else { + return_value = 0; // if any fail, report failure + } + + ++k; + } + } + + // restore original values + spc->h_oversample = old_h_over; + spc->v_oversample = old_v_over; + + return return_value; +} + +STBTT_DEF void stbtt_PackFontRangesPackRects(stbtt_pack_context *spc, stbrp_rect *rects, int num_rects) +{ + stbrp_pack_rects((stbrp_context *) spc->pack_info, rects, num_rects); +} + +STBTT_DEF int stbtt_PackFontRanges(stbtt_pack_context *spc, const unsigned char *fontdata, int font_index, stbtt_pack_range *ranges, int num_ranges) +{ + stbtt_fontinfo info; + int i,j,n, return_value; // [DEAR IMGUI] removed = 1 + //stbrp_context *context = (stbrp_context *) spc->pack_info; + stbrp_rect *rects; + + // flag all characters as NOT packed + for (i=0; i < num_ranges; ++i) + for (j=0; j < ranges[i].num_chars; ++j) + ranges[i].chardata_for_range[j].x0 = + ranges[i].chardata_for_range[j].y0 = + ranges[i].chardata_for_range[j].x1 = + ranges[i].chardata_for_range[j].y1 = 0; + + n = 0; + for (i=0; i < num_ranges; ++i) + n += ranges[i].num_chars; + + rects = (stbrp_rect *) STBTT_malloc(sizeof(*rects) * n, spc->user_allocator_context); + if (rects == NULL) + return 0; + + info.userdata = spc->user_allocator_context; + stbtt_InitFont(&info, fontdata, stbtt_GetFontOffsetForIndex(fontdata,font_index)); + + n = stbtt_PackFontRangesGatherRects(spc, &info, ranges, num_ranges, rects); + + stbtt_PackFontRangesPackRects(spc, rects, n); + + return_value = stbtt_PackFontRangesRenderIntoRects(spc, &info, ranges, num_ranges, rects); + + STBTT_free(rects, spc->user_allocator_context); + return return_value; +} + +STBTT_DEF int stbtt_PackFontRange(stbtt_pack_context *spc, const unsigned char *fontdata, int font_index, float font_size, + int first_unicode_codepoint_in_range, int num_chars_in_range, stbtt_packedchar *chardata_for_range) +{ + stbtt_pack_range range; + range.first_unicode_codepoint_in_range = first_unicode_codepoint_in_range; + range.array_of_unicode_codepoints = NULL; + range.num_chars = num_chars_in_range; + range.chardata_for_range = chardata_for_range; + range.font_size = font_size; + return stbtt_PackFontRanges(spc, fontdata, font_index, &range, 1); +} + +STBTT_DEF void stbtt_GetScaledFontVMetrics(const unsigned char *fontdata, int index, float size, float *ascent, float *descent, float *lineGap) +{ + int i_ascent, i_descent, i_lineGap; + float scale; + stbtt_fontinfo info; + stbtt_InitFont(&info, fontdata, stbtt_GetFontOffsetForIndex(fontdata, index)); + scale = size > 0 ? stbtt_ScaleForPixelHeight(&info, size) : stbtt_ScaleForMappingEmToPixels(&info, -size); + stbtt_GetFontVMetrics(&info, &i_ascent, &i_descent, &i_lineGap); + *ascent = (float) i_ascent * scale; + *descent = (float) i_descent * scale; + *lineGap = (float) i_lineGap * scale; +} + +STBTT_DEF void stbtt_GetPackedQuad(const stbtt_packedchar *chardata, int pw, int ph, int char_index, float *xpos, float *ypos, stbtt_aligned_quad *q, int align_to_integer) +{ + float ipw = 1.0f / pw, iph = 1.0f / ph; + const stbtt_packedchar *b = chardata + char_index; + + if (align_to_integer) { + float x = (float) STBTT_ifloor((*xpos + b->xoff) + 0.5f); + float y = (float) STBTT_ifloor((*ypos + b->yoff) + 0.5f); + q->x0 = x; + q->y0 = y; + q->x1 = x + b->xoff2 - b->xoff; + q->y1 = y + b->yoff2 - b->yoff; + } else { + q->x0 = *xpos + b->xoff; + q->y0 = *ypos + b->yoff; + q->x1 = *xpos + b->xoff2; + q->y1 = *ypos + b->yoff2; + } + + q->s0 = b->x0 * ipw; + q->t0 = b->y0 * iph; + q->s1 = b->x1 * ipw; + q->t1 = b->y1 * iph; + + *xpos += b->xadvance; +} + +////////////////////////////////////////////////////////////////////////////// +// +// sdf computation +// + +#define STBTT_min(a,b) ((a) < (b) ? (a) : (b)) +#define STBTT_max(a,b) ((a) < (b) ? (b) : (a)) + +static int stbtt__ray_intersect_bezier(float orig[2], float ray[2], float q0[2], float q1[2], float q2[2], float hits[2][2]) +{ + float q0perp = q0[1]*ray[0] - q0[0]*ray[1]; + float q1perp = q1[1]*ray[0] - q1[0]*ray[1]; + float q2perp = q2[1]*ray[0] - q2[0]*ray[1]; + float roperp = orig[1]*ray[0] - orig[0]*ray[1]; + + float a = q0perp - 2*q1perp + q2perp; + float b = q1perp - q0perp; + float c = q0perp - roperp; + + float s0 = 0., s1 = 0.; + int num_s = 0; + + if (a != 0.0) { + float discr = b*b - a*c; + if (discr > 0.0) { + float rcpna = -1 / a; + float d = (float) STBTT_sqrt(discr); + s0 = (b+d) * rcpna; + s1 = (b-d) * rcpna; + if (s0 >= 0.0 && s0 <= 1.0) + num_s = 1; + if (d > 0.0 && s1 >= 0.0 && s1 <= 1.0) { + if (num_s == 0) s0 = s1; + ++num_s; + } + } + } else { + // 2*b*s + c = 0 + // s = -c / (2*b) + s0 = c / (-2 * b); + if (s0 >= 0.0 && s0 <= 1.0) + num_s = 1; + } + + if (num_s == 0) + return 0; + else { + float rcp_len2 = 1 / (ray[0]*ray[0] + ray[1]*ray[1]); + float rayn_x = ray[0] * rcp_len2, rayn_y = ray[1] * rcp_len2; + + float q0d = q0[0]*rayn_x + q0[1]*rayn_y; + float q1d = q1[0]*rayn_x + q1[1]*rayn_y; + float q2d = q2[0]*rayn_x + q2[1]*rayn_y; + float rod = orig[0]*rayn_x + orig[1]*rayn_y; + + float q10d = q1d - q0d; + float q20d = q2d - q0d; + float q0rd = q0d - rod; + + hits[0][0] = q0rd + s0*(2.0f - 2.0f*s0)*q10d + s0*s0*q20d; + hits[0][1] = a*s0+b; + + if (num_s > 1) { + hits[1][0] = q0rd + s1*(2.0f - 2.0f*s1)*q10d + s1*s1*q20d; + hits[1][1] = a*s1+b; + return 2; + } else { + return 1; + } + } +} + +static int equal(float *a, float *b) +{ + return (a[0] == b[0] && a[1] == b[1]); +} + +static int stbtt__compute_crossings_x(float x, float y, int nverts, stbtt_vertex *verts) +{ + int i; + float orig[2], ray[2] = { 1, 0 }; + float y_frac; + int winding = 0; + + orig[0] = x; + //orig[1] = y; // [DEAR IMGUI] commmented double assignment + + // make sure y never passes through a vertex of the shape + y_frac = (float) STBTT_fmod(y, 1.0f); + if (y_frac < 0.01f) + y += 0.01f; + else if (y_frac > 0.99f) + y -= 0.01f; + orig[1] = y; + + // test a ray from (-infinity,y) to (x,y) + for (i=0; i < nverts; ++i) { + if (verts[i].type == STBTT_vline) { + int x0 = (int) verts[i-1].x, y0 = (int) verts[i-1].y; + int x1 = (int) verts[i ].x, y1 = (int) verts[i ].y; + if (y > STBTT_min(y0,y1) && y < STBTT_max(y0,y1) && x > STBTT_min(x0,x1)) { + float x_inter = (y - y0) / (y1 - y0) * (x1-x0) + x0; + if (x_inter < x) + winding += (y0 < y1) ? 1 : -1; + } + } + if (verts[i].type == STBTT_vcurve) { + int x0 = (int) verts[i-1].x , y0 = (int) verts[i-1].y ; + int x1 = (int) verts[i ].cx, y1 = (int) verts[i ].cy; + int x2 = (int) verts[i ].x , y2 = (int) verts[i ].y ; + int ax = STBTT_min(x0,STBTT_min(x1,x2)), ay = STBTT_min(y0,STBTT_min(y1,y2)); + int by = STBTT_max(y0,STBTT_max(y1,y2)); + if (y > ay && y < by && x > ax) { + float q0[2],q1[2],q2[2]; + float hits[2][2]; + q0[0] = (float)x0; + q0[1] = (float)y0; + q1[0] = (float)x1; + q1[1] = (float)y1; + q2[0] = (float)x2; + q2[1] = (float)y2; + if (equal(q0,q1) || equal(q1,q2)) { + x0 = (int)verts[i-1].x; + y0 = (int)verts[i-1].y; + x1 = (int)verts[i ].x; + y1 = (int)verts[i ].y; + if (y > STBTT_min(y0,y1) && y < STBTT_max(y0,y1) && x > STBTT_min(x0,x1)) { + float x_inter = (y - y0) / (y1 - y0) * (x1-x0) + x0; + if (x_inter < x) + winding += (y0 < y1) ? 1 : -1; + } + } else { + int num_hits = stbtt__ray_intersect_bezier(orig, ray, q0, q1, q2, hits); + if (num_hits >= 1) + if (hits[0][0] < 0) + winding += (hits[0][1] < 0 ? -1 : 1); + if (num_hits >= 2) + if (hits[1][0] < 0) + winding += (hits[1][1] < 0 ? -1 : 1); + } + } + } + } + return winding; +} + +static float stbtt__cuberoot( float x ) +{ + if (x<0) + return -(float) STBTT_pow(-x,1.0f/3.0f); + else + return (float) STBTT_pow( x,1.0f/3.0f); +} + +// x^3 + c*x^2 + b*x + a = 0 +static int stbtt__solve_cubic(float a, float b, float c, float* r) +{ + float s = -a / 3; + float p = b - a*a / 3; + float q = a * (2*a*a - 9*b) / 27 + c; + float p3 = p*p*p; + float d = q*q + 4*p3 / 27; + if (d >= 0) { + float z = (float) STBTT_sqrt(d); + float u = (-q + z) / 2; + float v = (-q - z) / 2; + u = stbtt__cuberoot(u); + v = stbtt__cuberoot(v); + r[0] = s + u + v; + return 1; + } else { + float u = (float) STBTT_sqrt(-p/3); + float v = (float) STBTT_acos(-STBTT_sqrt(-27/p3) * q / 2) / 3; // p3 must be negative, since d is negative + float m = (float) STBTT_cos(v); + float n = (float) STBTT_cos(v-3.141592/2)*1.732050808f; + r[0] = s + u * 2 * m; + r[1] = s - u * (m + n); + r[2] = s - u * (m - n); + + //STBTT_assert( STBTT_fabs(((r[0]+a)*r[0]+b)*r[0]+c) < 0.05f); // these asserts may not be safe at all scales, though they're in bezier t parameter units so maybe? + //STBTT_assert( STBTT_fabs(((r[1]+a)*r[1]+b)*r[1]+c) < 0.05f); + //STBTT_assert( STBTT_fabs(((r[2]+a)*r[2]+b)*r[2]+c) < 0.05f); + return 3; + } +} + +STBTT_DEF unsigned char * stbtt_GetGlyphSDF(const stbtt_fontinfo *info, float scale, int glyph, int padding, unsigned char onedge_value, float pixel_dist_scale, int *width, int *height, int *xoff, int *yoff) +{ + float scale_x = scale, scale_y = scale; + int ix0,iy0,ix1,iy1; + int w,h; + unsigned char *data; + + // if one scale is 0, use same scale for both + if (scale_x == 0) scale_x = scale_y; + if (scale_y == 0) { + if (scale_x == 0) return NULL; // if both scales are 0, return NULL + scale_y = scale_x; + } + + stbtt_GetGlyphBitmapBoxSubpixel(info, glyph, scale, scale, 0.0f,0.0f, &ix0,&iy0,&ix1,&iy1); + + // if empty, return NULL + if (ix0 == ix1 || iy0 == iy1) + return NULL; + + ix0 -= padding; + iy0 -= padding; + ix1 += padding; + iy1 += padding; + + w = (ix1 - ix0); + h = (iy1 - iy0); + + if (width ) *width = w; + if (height) *height = h; + if (xoff ) *xoff = ix0; + if (yoff ) *yoff = iy0; + + // invert for y-downwards bitmaps + scale_y = -scale_y; + + { + int x,y,i,j; + float *precompute; + stbtt_vertex *verts; + int num_verts = stbtt_GetGlyphShape(info, glyph, &verts); + data = (unsigned char *) STBTT_malloc(w * h, info->userdata); + precompute = (float *) STBTT_malloc(num_verts * sizeof(float), info->userdata); + + for (i=0,j=num_verts-1; i < num_verts; j=i++) { + if (verts[i].type == STBTT_vline) { + float x0 = verts[i].x*scale_x, y0 = verts[i].y*scale_y; + float x1 = verts[j].x*scale_x, y1 = verts[j].y*scale_y; + float dist = (float) STBTT_sqrt((x1-x0)*(x1-x0) + (y1-y0)*(y1-y0)); + precompute[i] = (dist == 0) ? 0.0f : 1.0f / dist; + } else if (verts[i].type == STBTT_vcurve) { + float x2 = verts[j].x *scale_x, y2 = verts[j].y *scale_y; + float x1 = verts[i].cx*scale_x, y1 = verts[i].cy*scale_y; + float x0 = verts[i].x *scale_x, y0 = verts[i].y *scale_y; + float bx = x0 - 2*x1 + x2, by = y0 - 2*y1 + y2; + float len2 = bx*bx + by*by; + if (len2 != 0.0f) + precompute[i] = 1.0f / (bx*bx + by*by); + else + precompute[i] = 0.0f; + } else + precompute[i] = 0.0f; + } + + for (y=iy0; y < iy1; ++y) { + for (x=ix0; x < ix1; ++x) { + float val; + float min_dist = 999999.0f; + float sx = (float) x + 0.5f; + float sy = (float) y + 0.5f; + float x_gspace = (sx / scale_x); + float y_gspace = (sy / scale_y); + + int winding = stbtt__compute_crossings_x(x_gspace, y_gspace, num_verts, verts); // @OPTIMIZE: this could just be a rasterization, but needs to be line vs. non-tesselated curves so a new path + + for (i=0; i < num_verts; ++i) { + float x0 = verts[i].x*scale_x, y0 = verts[i].y*scale_y; + + // check against every point here rather than inside line/curve primitives -- @TODO: wrong if multiple 'moves' in a row produce a garbage point, and given culling, probably more efficient to do within line/curve + float dist2 = (x0-sx)*(x0-sx) + (y0-sy)*(y0-sy); + if (dist2 < min_dist*min_dist) + min_dist = (float) STBTT_sqrt(dist2); + + if (verts[i].type == STBTT_vline) { + float x1 = verts[i-1].x*scale_x, y1 = verts[i-1].y*scale_y; + + // coarse culling against bbox + //if (sx > STBTT_min(x0,x1)-min_dist && sx < STBTT_max(x0,x1)+min_dist && + // sy > STBTT_min(y0,y1)-min_dist && sy < STBTT_max(y0,y1)+min_dist) + float dist = (float) STBTT_fabs((x1-x0)*(y0-sy) - (y1-y0)*(x0-sx)) * precompute[i]; + STBTT_assert(i != 0); + if (dist < min_dist) { + // check position along line + // x' = x0 + t*(x1-x0), y' = y0 + t*(y1-y0) + // minimize (x'-sx)*(x'-sx)+(y'-sy)*(y'-sy) + float dx = x1-x0, dy = y1-y0; + float px = x0-sx, py = y0-sy; + // minimize (px+t*dx)^2 + (py+t*dy)^2 = px*px + 2*px*dx*t + t^2*dx*dx + py*py + 2*py*dy*t + t^2*dy*dy + // derivative: 2*px*dx + 2*py*dy + (2*dx*dx+2*dy*dy)*t, set to 0 and solve + float t = -(px*dx + py*dy) / (dx*dx + dy*dy); + if (t >= 0.0f && t <= 1.0f) + min_dist = dist; + } + } else if (verts[i].type == STBTT_vcurve) { + float x2 = verts[i-1].x *scale_x, y2 = verts[i-1].y *scale_y; + float x1 = verts[i ].cx*scale_x, y1 = verts[i ].cy*scale_y; + float box_x0 = STBTT_min(STBTT_min(x0,x1),x2); + float box_y0 = STBTT_min(STBTT_min(y0,y1),y2); + float box_x1 = STBTT_max(STBTT_max(x0,x1),x2); + float box_y1 = STBTT_max(STBTT_max(y0,y1),y2); + // coarse culling against bbox to avoid computing cubic unnecessarily + if (sx > box_x0-min_dist && sx < box_x1+min_dist && sy > box_y0-min_dist && sy < box_y1+min_dist) { + int num=0; + float ax = x1-x0, ay = y1-y0; + float bx = x0 - 2*x1 + x2, by = y0 - 2*y1 + y2; + float mx = x0 - sx, my = y0 - sy; + float res[3],px,py,t,it; + float a_inv = precompute[i]; + if (a_inv == 0.0) { // if a_inv is 0, it's 2nd degree so use quadratic formula + float a = 3*(ax*bx + ay*by); + float b = 2*(ax*ax + ay*ay) + (mx*bx+my*by); + float c = mx*ax+my*ay; + if (a == 0.0) { // if a is 0, it's linear + if (b != 0.0) { + res[num++] = -c/b; + } + } else { + float discriminant = b*b - 4*a*c; + if (discriminant < 0) + num = 0; + else { + float root = (float) STBTT_sqrt(discriminant); + res[0] = (-b - root)/(2*a); + res[1] = (-b + root)/(2*a); + num = 2; // don't bother distinguishing 1-solution case, as code below will still work + } + } + } else { + float b = 3*(ax*bx + ay*by) * a_inv; // could precompute this as it doesn't depend on sample point + float c = (2*(ax*ax + ay*ay) + (mx*bx+my*by)) * a_inv; + float d = (mx*ax+my*ay) * a_inv; + num = stbtt__solve_cubic(b, c, d, res); + } + if (num >= 1 && res[0] >= 0.0f && res[0] <= 1.0f) { + t = res[0], it = 1.0f - t; + px = it*it*x0 + 2*t*it*x1 + t*t*x2; + py = it*it*y0 + 2*t*it*y1 + t*t*y2; + dist2 = (px-sx)*(px-sx) + (py-sy)*(py-sy); + if (dist2 < min_dist * min_dist) + min_dist = (float) STBTT_sqrt(dist2); + } + if (num >= 2 && res[1] >= 0.0f && res[1] <= 1.0f) { + t = res[1], it = 1.0f - t; + px = it*it*x0 + 2*t*it*x1 + t*t*x2; + py = it*it*y0 + 2*t*it*y1 + t*t*y2; + dist2 = (px-sx)*(px-sx) + (py-sy)*(py-sy); + if (dist2 < min_dist * min_dist) + min_dist = (float) STBTT_sqrt(dist2); + } + if (num >= 3 && res[2] >= 0.0f && res[2] <= 1.0f) { + t = res[2], it = 1.0f - t; + px = it*it*x0 + 2*t*it*x1 + t*t*x2; + py = it*it*y0 + 2*t*it*y1 + t*t*y2; + dist2 = (px-sx)*(px-sx) + (py-sy)*(py-sy); + if (dist2 < min_dist * min_dist) + min_dist = (float) STBTT_sqrt(dist2); + } + } + } + } + if (winding == 0) + min_dist = -min_dist; // if outside the shape, value is negative + val = onedge_value + pixel_dist_scale * min_dist; + if (val < 0) + val = 0; + else if (val > 255) + val = 255; + data[(y-iy0)*w+(x-ix0)] = (unsigned char) val; + } + } + STBTT_free(precompute, info->userdata); + STBTT_free(verts, info->userdata); + } + return data; +} + +STBTT_DEF unsigned char * stbtt_GetCodepointSDF(const stbtt_fontinfo *info, float scale, int codepoint, int padding, unsigned char onedge_value, float pixel_dist_scale, int *width, int *height, int *xoff, int *yoff) +{ + return stbtt_GetGlyphSDF(info, scale, stbtt_FindGlyphIndex(info, codepoint), padding, onedge_value, pixel_dist_scale, width, height, xoff, yoff); +} + +STBTT_DEF void stbtt_FreeSDF(unsigned char *bitmap, void *userdata) +{ + STBTT_free(bitmap, userdata); +} + +////////////////////////////////////////////////////////////////////////////// +// +// font name matching -- recommended not to use this +// + +// check if a utf8 string contains a prefix which is the utf16 string; if so return length of matching utf8 string +static stbtt_int32 stbtt__CompareUTF8toUTF16_bigendian_prefix(stbtt_uint8 *s1, stbtt_int32 len1, stbtt_uint8 *s2, stbtt_int32 len2) +{ + stbtt_int32 i=0; + + // convert utf16 to utf8 and compare the results while converting + while (len2) { + stbtt_uint16 ch = s2[0]*256 + s2[1]; + if (ch < 0x80) { + if (i >= len1) return -1; + if (s1[i++] != ch) return -1; + } else if (ch < 0x800) { + if (i+1 >= len1) return -1; + if (s1[i++] != 0xc0 + (ch >> 6)) return -1; + if (s1[i++] != 0x80 + (ch & 0x3f)) return -1; + } else if (ch >= 0xd800 && ch < 0xdc00) { + stbtt_uint32 c; + stbtt_uint16 ch2 = s2[2]*256 + s2[3]; + if (i+3 >= len1) return -1; + c = ((ch - 0xd800) << 10) + (ch2 - 0xdc00) + 0x10000; + if (s1[i++] != 0xf0 + (c >> 18)) return -1; + if (s1[i++] != 0x80 + ((c >> 12) & 0x3f)) return -1; + if (s1[i++] != 0x80 + ((c >> 6) & 0x3f)) return -1; + if (s1[i++] != 0x80 + ((c ) & 0x3f)) return -1; + s2 += 2; // plus another 2 below + len2 -= 2; + } else if (ch >= 0xdc00 && ch < 0xe000) { + return -1; + } else { + if (i+2 >= len1) return -1; + if (s1[i++] != 0xe0 + (ch >> 12)) return -1; + if (s1[i++] != 0x80 + ((ch >> 6) & 0x3f)) return -1; + if (s1[i++] != 0x80 + ((ch ) & 0x3f)) return -1; + } + s2 += 2; + len2 -= 2; + } + return i; +} + +static int stbtt_CompareUTF8toUTF16_bigendian_internal(char *s1, int len1, char *s2, int len2) +{ + return len1 == stbtt__CompareUTF8toUTF16_bigendian_prefix((stbtt_uint8*) s1, len1, (stbtt_uint8*) s2, len2); +} + +// returns results in whatever encoding you request... but note that 2-byte encodings +// will be BIG-ENDIAN... use stbtt_CompareUTF8toUTF16_bigendian() to compare +STBTT_DEF const char *stbtt_GetFontNameString(const stbtt_fontinfo *font, int *length, int platformID, int encodingID, int languageID, int nameID) +{ + stbtt_int32 i,count,stringOffset; + stbtt_uint8 *fc = font->data; + stbtt_uint32 offset = font->fontstart; + stbtt_uint32 nm = stbtt__find_table(fc, offset, "name"); + if (!nm) return NULL; + + count = ttUSHORT(fc+nm+2); + stringOffset = nm + ttUSHORT(fc+nm+4); + for (i=0; i < count; ++i) { + stbtt_uint32 loc = nm + 6 + 12 * i; + if (platformID == ttUSHORT(fc+loc+0) && encodingID == ttUSHORT(fc+loc+2) + && languageID == ttUSHORT(fc+loc+4) && nameID == ttUSHORT(fc+loc+6)) { + *length = ttUSHORT(fc+loc+8); + return (const char *) (fc+stringOffset+ttUSHORT(fc+loc+10)); + } + } + return NULL; +} + +static int stbtt__matchpair(stbtt_uint8 *fc, stbtt_uint32 nm, stbtt_uint8 *name, stbtt_int32 nlen, stbtt_int32 target_id, stbtt_int32 next_id) +{ + stbtt_int32 i; + stbtt_int32 count = ttUSHORT(fc+nm+2); + stbtt_int32 stringOffset = nm + ttUSHORT(fc+nm+4); + + for (i=0; i < count; ++i) { + stbtt_uint32 loc = nm + 6 + 12 * i; + stbtt_int32 id = ttUSHORT(fc+loc+6); + if (id == target_id) { + // find the encoding + stbtt_int32 platform = ttUSHORT(fc+loc+0), encoding = ttUSHORT(fc+loc+2), language = ttUSHORT(fc+loc+4); + + // is this a Unicode encoding? + if (platform == 0 || (platform == 3 && encoding == 1) || (platform == 3 && encoding == 10)) { + stbtt_int32 slen = ttUSHORT(fc+loc+8); + stbtt_int32 off = ttUSHORT(fc+loc+10); + + // check if there's a prefix match + stbtt_int32 matchlen = stbtt__CompareUTF8toUTF16_bigendian_prefix(name, nlen, fc+stringOffset+off,slen); + if (matchlen >= 0) { + // check for target_id+1 immediately following, with same encoding & language + if (i+1 < count && ttUSHORT(fc+loc+12+6) == next_id && ttUSHORT(fc+loc+12) == platform && ttUSHORT(fc+loc+12+2) == encoding && ttUSHORT(fc+loc+12+4) == language) { + slen = ttUSHORT(fc+loc+12+8); + off = ttUSHORT(fc+loc+12+10); + if (slen == 0) { + if (matchlen == nlen) + return 1; + } else if (matchlen < nlen && name[matchlen] == ' ') { + ++matchlen; + if (stbtt_CompareUTF8toUTF16_bigendian_internal((char*) (name+matchlen), nlen-matchlen, (char*)(fc+stringOffset+off),slen)) + return 1; + } + } else { + // if nothing immediately following + if (matchlen == nlen) + return 1; + } + } + } + + // @TODO handle other encodings + } + } + return 0; +} + +static int stbtt__matches(stbtt_uint8 *fc, stbtt_uint32 offset, stbtt_uint8 *name, stbtt_int32 flags) +{ + stbtt_int32 nlen = (stbtt_int32) STBTT_strlen((char *) name); + stbtt_uint32 nm,hd; + if (!stbtt__isfont(fc+offset)) return 0; + + // check italics/bold/underline flags in macStyle... + if (flags) { + hd = stbtt__find_table(fc, offset, "head"); + if ((ttUSHORT(fc+hd+44) & 7) != (flags & 7)) return 0; + } + + nm = stbtt__find_table(fc, offset, "name"); + if (!nm) return 0; + + if (flags) { + // if we checked the macStyle flags, then just check the family and ignore the subfamily + if (stbtt__matchpair(fc, nm, name, nlen, 16, -1)) return 1; + if (stbtt__matchpair(fc, nm, name, nlen, 1, -1)) return 1; + if (stbtt__matchpair(fc, nm, name, nlen, 3, -1)) return 1; + } else { + if (stbtt__matchpair(fc, nm, name, nlen, 16, 17)) return 1; + if (stbtt__matchpair(fc, nm, name, nlen, 1, 2)) return 1; + if (stbtt__matchpair(fc, nm, name, nlen, 3, -1)) return 1; + } + + return 0; +} + +static int stbtt_FindMatchingFont_internal(unsigned char *font_collection, char *name_utf8, stbtt_int32 flags) +{ + stbtt_int32 i; + for (i=0;;++i) { + stbtt_int32 off = stbtt_GetFontOffsetForIndex(font_collection, i); + if (off < 0) return off; + if (stbtt__matches((stbtt_uint8 *) font_collection, off, (stbtt_uint8*) name_utf8, flags)) + return off; + } +} + +#if defined(__GNUC__) || defined(__clang__) +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wcast-qual" +#endif + +STBTT_DEF int stbtt_BakeFontBitmap(const unsigned char *data, int offset, + float pixel_height, unsigned char *pixels, int pw, int ph, + int first_char, int num_chars, stbtt_bakedchar *chardata) +{ + return stbtt_BakeFontBitmap_internal((unsigned char *) data, offset, pixel_height, pixels, pw, ph, first_char, num_chars, chardata); +} + +STBTT_DEF int stbtt_GetFontOffsetForIndex(const unsigned char *data, int index) +{ + return stbtt_GetFontOffsetForIndex_internal((unsigned char *) data, index); +} + +STBTT_DEF int stbtt_GetNumberOfFonts(const unsigned char *data) +{ + return stbtt_GetNumberOfFonts_internal((unsigned char *) data); +} + +STBTT_DEF int stbtt_InitFont(stbtt_fontinfo *info, const unsigned char *data, int offset) +{ + return stbtt_InitFont_internal(info, (unsigned char *) data, offset); +} + +STBTT_DEF int stbtt_FindMatchingFont(const unsigned char *fontdata, const char *name, int flags) +{ + return stbtt_FindMatchingFont_internal((unsigned char *) fontdata, (char *) name, flags); +} + +STBTT_DEF int stbtt_CompareUTF8toUTF16_bigendian(const char *s1, int len1, const char *s2, int len2) +{ + return stbtt_CompareUTF8toUTF16_bigendian_internal((char *) s1, len1, (char *) s2, len2); +} + +#if defined(__GNUC__) || defined(__clang__) +#pragma GCC diagnostic pop +#endif + +#endif // STB_TRUETYPE_IMPLEMENTATION + + +// FULL VERSION HISTORY +// +// 1.19 (2018-02-11) OpenType GPOS kerning (horizontal only), STBTT_fmod +// 1.18 (2018-01-29) add missing function +// 1.17 (2017-07-23) make more arguments const; doc fix +// 1.16 (2017-07-12) SDF support +// 1.15 (2017-03-03) make more arguments const +// 1.14 (2017-01-16) num-fonts-in-TTC function +// 1.13 (2017-01-02) support OpenType fonts, certain Apple fonts +// 1.12 (2016-10-25) suppress warnings about casting away const with -Wcast-qual +// 1.11 (2016-04-02) fix unused-variable warning +// 1.10 (2016-04-02) allow user-defined fabs() replacement +// fix memory leak if fontsize=0.0 +// fix warning from duplicate typedef +// 1.09 (2016-01-16) warning fix; avoid crash on outofmem; use alloc userdata for PackFontRanges +// 1.08 (2015-09-13) document stbtt_Rasterize(); fixes for vertical & horizontal edges +// 1.07 (2015-08-01) allow PackFontRanges to accept arrays of sparse codepoints; +// allow PackFontRanges to pack and render in separate phases; +// fix stbtt_GetFontOFfsetForIndex (never worked for non-0 input?); +// fixed an assert() bug in the new rasterizer +// replace assert() with STBTT_assert() in new rasterizer +// 1.06 (2015-07-14) performance improvements (~35% faster on x86 and x64 on test machine) +// also more precise AA rasterizer, except if shapes overlap +// remove need for STBTT_sort +// 1.05 (2015-04-15) fix misplaced definitions for STBTT_STATIC +// 1.04 (2015-04-15) typo in example +// 1.03 (2015-04-12) STBTT_STATIC, fix memory leak in new packing, various fixes +// 1.02 (2014-12-10) fix various warnings & compile issues w/ stb_rect_pack, C++ +// 1.01 (2014-12-08) fix subpixel position when oversampling to exactly match +// non-oversampled; STBTT_POINT_SIZE for packed case only +// 1.00 (2014-12-06) add new PackBegin etc. API, w/ support for oversampling +// 0.99 (2014-09-18) fix multiple bugs with subpixel rendering (ryg) +// 0.9 (2014-08-07) support certain mac/iOS fonts without an MS platformID +// 0.8b (2014-07-07) fix a warning +// 0.8 (2014-05-25) fix a few more warnings +// 0.7 (2013-09-25) bugfix: subpixel glyph bug fixed in 0.5 had come back +// 0.6c (2012-07-24) improve documentation +// 0.6b (2012-07-20) fix a few more warnings +// 0.6 (2012-07-17) fix warnings; added stbtt_ScaleForMappingEmToPixels, +// stbtt_GetFontBoundingBox, stbtt_IsGlyphEmpty +// 0.5 (2011-12-09) bugfixes: +// subpixel glyph renderer computed wrong bounding box +// first vertex of shape can be off-curve (FreeSans) +// 0.4b (2011-12-03) fixed an error in the font baking example +// 0.4 (2011-12-01) kerning, subpixel rendering (tor) +// bugfixes for: +// codepoint-to-glyph conversion using table fmt=12 +// codepoint-to-glyph conversion using table fmt=4 +// stbtt_GetBakedQuad with non-square texture (Zer) +// updated Hello World! sample to use kerning and subpixel +// fixed some warnings +// 0.3 (2009-06-24) cmap fmt=12, compound shapes (MM) +// userdata, malloc-from-userdata, non-zero fill (stb) +// 0.2 (2009-03-11) Fix unsigned/signed char warnings +// 0.1 (2009-03-09) First public release +// + +/* +------------------------------------------------------------------------------ +This software is available under 2 licenses -- choose whichever you prefer. +------------------------------------------------------------------------------ +ALTERNATIVE A - MIT License +Copyright (c) 2017 Sean Barrett +Permission is hereby granted, free of charge, to any person obtaining a copy of +this software and associated documentation files (the "Software"), to deal in +the Software without restriction, including without limitation the rights to +use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies +of the Software, and to permit persons to whom the Software is furnished to do +so, subject to the following conditions: +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. +------------------------------------------------------------------------------ +ALTERNATIVE B - Public Domain (www.unlicense.org) +This is free and unencumbered software released into the public domain. +Anyone is free to copy, modify, publish, use, compile, sell, or distribute this +software, either in source code form or as a compiled binary, for any purpose, +commercial or non-commercial, and by any means. +In jurisdictions that recognize copyright laws, the author or authors of this +software dedicate any and all copyright interest in the software to the public +domain. We make this dedication for the benefit of the public at large and to +the detriment of our heirs and successors. We intend this dedication to be an +overt act of relinquishment in perpetuity of all present and future rights to +this software under copyright law. +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN +ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +------------------------------------------------------------------------------ +*/ diff --git a/imgui-submodule/imgui/misc/README.txt b/imgui-submodule/imgui/misc/README.txt new file mode 100644 index 0000000..8690008 --- /dev/null +++ b/imgui-submodule/imgui/misc/README.txt @@ -0,0 +1,24 @@ + +misc/cpp/ + InputText() wrappers for C++ standard library (STL) type: std::string. + This is also an example of how you may wrap your own similar types. + +misc/fonts/ + Fonts loading/merging instructions (e.g. How to handle glyph ranges, how to merge icons fonts). + Command line tool "binary_to_compressed_c" to create compressed arrays to embed data in source code. + Suggested fonts and links. + +misc/freetype/ + Font atlas builder/rasterizer using FreeType instead of stb_truetype. + Benefit from better FreeType rasterization, in particular for small fonts. + +misc/natvis/ + Natvis file to describe dear imgui types in the Visual Studio debugger. + With this, types like ImVector<> will be displayed nicely in the debugger. + You can include this file a Visual Studio project file, or install it in Visual Studio folder. + +misc/single_file/ + Single-file header stub. + We use this to validate compiling all *.cpp files in a same compilation unit. + Users of that technique (also called "Unity builds") can generally provide this themselves, + so we don't really recommend you use this in your projects. diff --git a/imgui-submodule/imgui/misc/cpp/README.txt b/imgui-submodule/imgui/misc/cpp/README.txt new file mode 100644 index 0000000..8d5982e --- /dev/null +++ b/imgui-submodule/imgui/misc/cpp/README.txt @@ -0,0 +1,10 @@ + +imgui_stdlib.h + imgui_stdlib.cpp + InputText() wrappers for C++ standard library (STL) type: std::string. + This is also an example of how you may wrap your own similar types. + +imgui_scoped.h + [Experimental, not currently in main repository] + Additional header file with some RAII-style wrappers for common Dear ImGui functions. + Try by merging: https://github.com/ocornut/imgui/pull/2197 + Discuss at: https://github.com/ocornut/imgui/issues/2096 diff --git a/imgui-submodule/imgui/misc/cpp/imgui_stdlib.cpp b/imgui-submodule/imgui/misc/cpp/imgui_stdlib.cpp new file mode 100644 index 0000000..fda60f4 --- /dev/null +++ b/imgui-submodule/imgui/misc/cpp/imgui_stdlib.cpp @@ -0,0 +1,77 @@ +// imgui_stdlib.cpp +// Wrappers for C++ standard library (STL) types (std::string, etc.) +// This is also an example of how you may wrap your own similar types. + +// Compatibility: +// - std::string support is only guaranteed to work from C++11. +// If you try to use it pre-C++11, please share your findings (w/ info about compiler/architecture) + +// Changelog: +// - v0.10: Initial version. Added InputText() / InputTextMultiline() calls with std::string + +#include "imgui.h" +#include "imgui_stdlib.h" + +struct InputTextCallback_UserData +{ + std::string* Str; + ImGuiInputTextCallback ChainCallback; + void* ChainCallbackUserData; +}; + +static int InputTextCallback(ImGuiInputTextCallbackData* data) +{ + InputTextCallback_UserData* user_data = (InputTextCallback_UserData*)data->UserData; + if (data->EventFlag == ImGuiInputTextFlags_CallbackResize) + { + // Resize string callback + // If for some reason we refuse the new length (BufTextLen) and/or capacity (BufSize) we need to set them back to what we want. + std::string* str = user_data->Str; + IM_ASSERT(data->Buf == str->c_str()); + str->resize(data->BufTextLen); + data->Buf = (char*)str->c_str(); + } + else if (user_data->ChainCallback) + { + // Forward to user callback, if any + data->UserData = user_data->ChainCallbackUserData; + return user_data->ChainCallback(data); + } + return 0; +} + +bool ImGui::InputText(const char* label, std::string* str, ImGuiInputTextFlags flags, ImGuiInputTextCallback callback, void* user_data) +{ + IM_ASSERT((flags & ImGuiInputTextFlags_CallbackResize) == 0); + flags |= ImGuiInputTextFlags_CallbackResize; + + InputTextCallback_UserData cb_user_data; + cb_user_data.Str = str; + cb_user_data.ChainCallback = callback; + cb_user_data.ChainCallbackUserData = user_data; + return InputText(label, (char*)str->c_str(), str->capacity() + 1, flags, InputTextCallback, &cb_user_data); +} + +bool ImGui::InputTextMultiline(const char* label, std::string* str, const ImVec2& size, ImGuiInputTextFlags flags, ImGuiInputTextCallback callback, void* user_data) +{ + IM_ASSERT((flags & ImGuiInputTextFlags_CallbackResize) == 0); + flags |= ImGuiInputTextFlags_CallbackResize; + + InputTextCallback_UserData cb_user_data; + cb_user_data.Str = str; + cb_user_data.ChainCallback = callback; + cb_user_data.ChainCallbackUserData = user_data; + return InputTextMultiline(label, (char*)str->c_str(), str->capacity() + 1, size, flags, InputTextCallback, &cb_user_data); +} + +bool ImGui::InputTextWithHint(const char* label, const char* hint, std::string* str, ImGuiInputTextFlags flags, ImGuiInputTextCallback callback, void* user_data) +{ + IM_ASSERT((flags & ImGuiInputTextFlags_CallbackResize) == 0); + flags |= ImGuiInputTextFlags_CallbackResize; + + InputTextCallback_UserData cb_user_data; + cb_user_data.Str = str; + cb_user_data.ChainCallback = callback; + cb_user_data.ChainCallbackUserData = user_data; + return InputTextWithHint(label, hint, (char*)str->c_str(), str->capacity() + 1, flags, InputTextCallback, &cb_user_data); +} diff --git a/imgui-submodule/imgui/misc/cpp/imgui_stdlib.h b/imgui-submodule/imgui/misc/cpp/imgui_stdlib.h new file mode 100644 index 0000000..5bccb03 --- /dev/null +++ b/imgui-submodule/imgui/misc/cpp/imgui_stdlib.h @@ -0,0 +1,23 @@ +// imgui_stdlib.h +// Wrappers for C++ standard library (STL) types (std::string, etc.) +// This is also an example of how you may wrap your own similar types. + +// Compatibility: +// - std::string support is only guaranteed to work from C++11. +// If you try to use it pre-C++11, please share your findings (w/ info about compiler/architecture) + +// Changelog: +// - v0.10: Initial version. Added InputText() / InputTextMultiline() calls with std::string + +#pragma once + +#include + +namespace ImGui +{ + // ImGui::InputText() with std::string + // Because text input needs dynamic resizing, we need to setup a callback to grow the capacity + IMGUI_API bool InputText(const char* label, std::string* str, ImGuiInputTextFlags flags = 0, ImGuiInputTextCallback callback = NULL, void* user_data = NULL); + IMGUI_API bool InputTextMultiline(const char* label, std::string* str, const ImVec2& size = ImVec2(0, 0), ImGuiInputTextFlags flags = 0, ImGuiInputTextCallback callback = NULL, void* user_data = NULL); + IMGUI_API bool InputTextWithHint(const char* label, const char* hint, std::string* str, ImGuiInputTextFlags flags = 0, ImGuiInputTextCallback callback = NULL, void* user_data = NULL); +} diff --git a/imgui-submodule/imgui/misc/fonts/Cousine-Regular.ttf b/imgui-submodule/imgui/misc/fonts/Cousine-Regular.ttf new file mode 100644 index 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zDiMl=)MBLFL}&6`zJe>blIQXK=2!6iU@UeEnkQG_x?nEtkx#IE@*d6O^gWuFiE^8+ zKPuOaO*tgJOthPT0uy)-dFC<}xxH)Ov+vsv?1#4A?zJD;eKeE?(=ZxNL-^0Q XDz@2YO+x)8BOh4hvAddFontFromMemoryCompressedTTF() + +// Build with, e.g: +// # cl.exe binary_to_compressed_c.cpp +// # gcc binary_to_compressed_c.cpp +// You can also find a precompiled Windows binary in the binary/demo package available from https://github.com/ocornut/imgui + +// Usage: +// binary_to_compressed_c.exe [-base85] [-nocompress] +// Usage example: +// # binary_to_compressed_c.exe myfont.ttf MyFont > myfont.cpp +// # binary_to_compressed_c.exe -base85 myfont.ttf MyFont > myfont.cpp + +#define _CRT_SECURE_NO_WARNINGS +#include +#include +#include +#include + +// stb_compress* from stb.h - declaration +typedef unsigned int stb_uint; +typedef unsigned char stb_uchar; +stb_uint stb_compress(stb_uchar *out,stb_uchar *in,stb_uint len); + +static bool binary_to_compressed_c(const char* filename, const char* symbol, bool use_base85_encoding, bool use_compression); + +int main(int argc, char** argv) +{ + if (argc < 3) + { + printf("Syntax: %s [-base85] [-nocompress] \n", argv[0]); + return 0; + } + + int argn = 1; + bool use_base85_encoding = false; + bool use_compression = true; + if (argv[argn][0] == '-') + { + if (strcmp(argv[argn], "-base85") == 0) { use_base85_encoding = true; argn++; } + else if (strcmp(argv[argn], "-nocompress") == 0) { use_compression = false; argn++; } + else + { + fprintf(stderr, "Unknown argument: '%s'\n", argv[argn]); + return 1; + } + } + + bool ret = binary_to_compressed_c(argv[argn], argv[argn+1], use_base85_encoding, use_compression); + if (!ret) + fprintf(stderr, "Error opening or reading file: '%s'\n", argv[argn]); + return ret ? 0 : 1; +} + +char Encode85Byte(unsigned int x) +{ + x = (x % 85) + 35; + return (x>='\\') ? x+1 : x; +} + +bool binary_to_compressed_c(const char* filename, const char* symbol, bool use_base85_encoding, bool use_compression) +{ + // Read file + FILE* f = fopen(filename, "rb"); + if (!f) return false; + int data_sz; + if (fseek(f, 0, SEEK_END) || (data_sz = (int)ftell(f)) == -1 || fseek(f, 0, SEEK_SET)) { fclose(f); return false; } + char* data = new char[data_sz+4]; + if (fread(data, 1, data_sz, f) != (size_t)data_sz) { fclose(f); delete[] data; return false; } + memset((void*)(((char*)data) + data_sz), 0, 4); + fclose(f); + + // Compress + int maxlen = data_sz + 512 + (data_sz >> 2) + sizeof(int); // total guess + char* compressed = use_compression ? new char[maxlen] : data; + int compressed_sz = use_compression ? stb_compress((stb_uchar*)compressed, (stb_uchar*)data, data_sz) : data_sz; + if (use_compression) + memset(compressed + compressed_sz, 0, maxlen - compressed_sz); + + // Output as Base85 encoded + FILE* out = stdout; + fprintf(out, "// File: '%s' (%d bytes)\n", filename, (int)data_sz); + fprintf(out, "// Exported using binary_to_compressed_c.cpp\n"); + const char* compressed_str = use_compression ? "compressed_" : ""; + if (use_base85_encoding) + { + fprintf(out, "static const char %s_%sdata_base85[%d+1] =\n \"", symbol, compressed_str, (int)((compressed_sz+3)/4)*5); + char prev_c = 0; + for (int src_i = 0; src_i < compressed_sz; src_i += 4) + { + // This is made a little more complicated by the fact that ??X sequences are interpreted as trigraphs by old C/C++ compilers. So we need to escape pairs of ??. + unsigned int d = *(unsigned int*)(compressed + src_i); + for (unsigned int n5 = 0; n5 < 5; n5++, d /= 85) + { + char c = Encode85Byte(d); + fprintf(out, (c == '?' && prev_c == '?') ? "\\%c" : "%c", c); + prev_c = c; + } + if ((src_i % 112) == 112-4) + fprintf(out, "\"\n \""); + } + fprintf(out, "\";\n\n"); + } + else + { + fprintf(out, "static const unsigned int %s_%ssize = %d;\n", symbol, compressed_str, (int)compressed_sz); + fprintf(out, "static const unsigned int %s_%sdata[%d/4] =\n{", symbol, compressed_str, (int)((compressed_sz+3)/4)*4); + int column = 0; + for (int i = 0; i < compressed_sz; i += 4) + { + unsigned int d = *(unsigned int*)(compressed + i); + if ((column++ % 12) == 0) + fprintf(out, "\n 0x%08x, ", d); + else + fprintf(out, "0x%08x, ", d); + } + fprintf(out, "\n};\n\n"); + } + + // Cleanup + delete[] data; + if (use_compression) + delete[] compressed; + return true; +} + +// stb_compress* from stb.h - definition + +//////////////////// compressor /////////////////////// + +static stb_uint stb_adler32(stb_uint adler32, stb_uchar *buffer, stb_uint buflen) +{ + const unsigned long ADLER_MOD = 65521; + unsigned long s1 = adler32 & 0xffff, s2 = adler32 >> 16; + unsigned long blocklen, i; + + blocklen = buflen % 5552; + while (buflen) { + for (i=0; i + 7 < blocklen; i += 8) { + s1 += buffer[0], s2 += s1; + s1 += buffer[1], s2 += s1; + s1 += buffer[2], s2 += s1; + s1 += buffer[3], s2 += s1; + s1 += buffer[4], s2 += s1; + s1 += buffer[5], s2 += s1; + s1 += buffer[6], s2 += s1; + s1 += buffer[7], s2 += s1; + + buffer += 8; + } + + for (; i < blocklen; ++i) + s1 += *buffer++, s2 += s1; + + s1 %= ADLER_MOD, s2 %= ADLER_MOD; + buflen -= blocklen; + blocklen = 5552; + } + return (s2 << 16) + s1; +} + +static unsigned int stb_matchlen(stb_uchar *m1, stb_uchar *m2, stb_uint maxlen) +{ + stb_uint i; + for (i=0; i < maxlen; ++i) + if (m1[i] != m2[i]) return i; + return i; +} + +// simple implementation that just takes the source data in a big block + +static stb_uchar *stb__out; +static FILE *stb__outfile; +static stb_uint stb__outbytes; + +static void stb__write(unsigned char v) +{ + fputc(v, stb__outfile); + ++stb__outbytes; +} + +//#define stb_out(v) (stb__out ? *stb__out++ = (stb_uchar) (v) : stb__write((stb_uchar) (v))) +#define stb_out(v) do { if (stb__out) *stb__out++ = (stb_uchar) (v); else stb__write((stb_uchar) (v)); } while (0) + +static void stb_out2(stb_uint v) { stb_out(v >> 8); stb_out(v); } +static void stb_out3(stb_uint v) { stb_out(v >> 16); stb_out(v >> 8); stb_out(v); } +static void stb_out4(stb_uint v) { stb_out(v >> 24); stb_out(v >> 16); stb_out(v >> 8 ); stb_out(v); } + +static void outliterals(stb_uchar *in, int numlit) +{ + while (numlit > 65536) { + outliterals(in,65536); + in += 65536; + numlit -= 65536; + } + + if (numlit == 0) ; + else if (numlit <= 32) stb_out (0x000020 + numlit-1); + else if (numlit <= 2048) stb_out2(0x000800 + numlit-1); + else /* numlit <= 65536) */ stb_out3(0x070000 + numlit-1); + + if (stb__out) { + memcpy(stb__out,in,numlit); + stb__out += numlit; + } else + fwrite(in, 1, numlit, stb__outfile); +} + +static int stb__window = 0x40000; // 256K + +static int stb_not_crap(int best, int dist) +{ + return ((best > 2 && dist <= 0x00100) + || (best > 5 && dist <= 0x04000) + || (best > 7 && dist <= 0x80000)); +} + +static stb_uint stb__hashsize = 32768; + +// note that you can play with the hashing functions all you +// want without needing to change the decompressor +#define stb__hc(q,h,c) (((h) << 7) + ((h) >> 25) + q[c]) +#define stb__hc2(q,h,c,d) (((h) << 14) + ((h) >> 18) + (q[c] << 7) + q[d]) +#define stb__hc3(q,c,d,e) ((q[c] << 14) + (q[d] << 7) + q[e]) + +static unsigned int stb__running_adler; + +static int stb_compress_chunk(stb_uchar *history, + stb_uchar *start, + stb_uchar *end, + int length, + int *pending_literals, + stb_uchar **chash, + stb_uint mask) +{ + (void)history; + int window = stb__window; + stb_uint match_max; + stb_uchar *lit_start = start - *pending_literals; + stb_uchar *q = start; + +#define STB__SCRAMBLE(h) (((h) + ((h) >> 16)) & mask) + + // stop short of the end so we don't scan off the end doing + // the hashing; this means we won't compress the last few bytes + // unless they were part of something longer + while (q < start+length && q+12 < end) { + int m; + stb_uint h1,h2,h3,h4, h; + stb_uchar *t; + int best = 2, dist=0; + + if (q+65536 > end) + match_max = end-q; + else + match_max = 65536; + +#define stb__nc(b,d) ((d) <= window && ((b) > 9 || stb_not_crap(b,d))) + +#define STB__TRY(t,p) /* avoid retrying a match we already tried */ \ + if (p ? dist != q-t : 1) \ + if ((m = stb_matchlen(t, q, match_max)) > best) \ + if (stb__nc(m,q-(t))) \ + best = m, dist = q - (t) + + // rather than search for all matches, only try 4 candidate locations, + // chosen based on 4 different hash functions of different lengths. + // this strategy is inspired by LZO; hashing is unrolled here using the + // 'hc' macro + h = stb__hc3(q,0, 1, 2); h1 = STB__SCRAMBLE(h); + t = chash[h1]; if (t) STB__TRY(t,0); + h = stb__hc2(q,h, 3, 4); h2 = STB__SCRAMBLE(h); + h = stb__hc2(q,h, 5, 6); t = chash[h2]; if (t) STB__TRY(t,1); + h = stb__hc2(q,h, 7, 8); h3 = STB__SCRAMBLE(h); + h = stb__hc2(q,h, 9,10); t = chash[h3]; if (t) STB__TRY(t,1); + h = stb__hc2(q,h,11,12); h4 = STB__SCRAMBLE(h); + t = chash[h4]; if (t) STB__TRY(t,1); + + // because we use a shared hash table, can only update it + // _after_ we've probed all of them + chash[h1] = chash[h2] = chash[h3] = chash[h4] = q; + + if (best > 2) + assert(dist > 0); + + // see if our best match qualifies + if (best < 3) { // fast path literals + ++q; + } else if (best > 2 && best <= 0x80 && dist <= 0x100) { + outliterals(lit_start, q-lit_start); lit_start = (q += best); + stb_out(0x80 + best-1); + stb_out(dist-1); + } else if (best > 5 && best <= 0x100 && dist <= 0x4000) { + outliterals(lit_start, q-lit_start); lit_start = (q += best); + stb_out2(0x4000 + dist-1); + stb_out(best-1); + } else if (best > 7 && best <= 0x100 && dist <= 0x80000) { + outliterals(lit_start, q-lit_start); lit_start = (q += best); + stb_out3(0x180000 + dist-1); + stb_out(best-1); + } else if (best > 8 && best <= 0x10000 && dist <= 0x80000) { + outliterals(lit_start, q-lit_start); lit_start = (q += best); + stb_out3(0x100000 + dist-1); + stb_out2(best-1); + } else if (best > 9 && dist <= 0x1000000) { + if (best > 65536) best = 65536; + outliterals(lit_start, q-lit_start); lit_start = (q += best); + if (best <= 0x100) { + stb_out(0x06); + stb_out3(dist-1); + stb_out(best-1); + } else { + stb_out(0x04); + stb_out3(dist-1); + stb_out2(best-1); + } + } else { // fallback literals if no match was a balanced tradeoff + ++q; + } + } + + // if we didn't get all the way, add the rest to literals + if (q-start < length) + q = start+length; + + // the literals are everything from lit_start to q + *pending_literals = (q - lit_start); + + stb__running_adler = stb_adler32(stb__running_adler, start, q - start); + return q - start; +} + +static int stb_compress_inner(stb_uchar *input, stb_uint length) +{ + int literals = 0; + stb_uint len,i; + + stb_uchar **chash; + chash = (stb_uchar**) malloc(stb__hashsize * sizeof(stb_uchar*)); + if (chash == NULL) return 0; // failure + for (i=0; i < stb__hashsize; ++i) + chash[i] = NULL; + + // stream signature + stb_out(0x57); stb_out(0xbc); + stb_out2(0); + + stb_out4(0); // 64-bit length requires 32-bit leading 0 + stb_out4(length); + stb_out4(stb__window); + + stb__running_adler = 1; + + len = stb_compress_chunk(input, input, input+length, length, &literals, chash, stb__hashsize-1); + assert(len == length); + + outliterals(input+length - literals, literals); + + free(chash); + + stb_out2(0x05fa); // end opcode + + stb_out4(stb__running_adler); + + return 1; // success +} + +stb_uint stb_compress(stb_uchar *out, stb_uchar *input, stb_uint length) +{ + stb__out = out; + stb__outfile = NULL; + + stb_compress_inner(input, length); + + return stb__out - out; +} diff --git a/imgui-submodule/imgui/misc/freetype/README.md b/imgui-submodule/imgui/misc/freetype/README.md new file mode 100644 index 0000000..e565097 --- /dev/null +++ b/imgui-submodule/imgui/misc/freetype/README.md @@ -0,0 +1,132 @@ +# imgui_freetype + +Build font atlases using FreeType instead of stb_truetype (which is the default font rasterizer in Dear ImGui). +
    by @vuhdo, @mikesart, @ocornut. + +### Usage + +1. Get latest FreeType binaries or build yourself (under Windows you may use vcpkg with `vcpkg install freetype`, `vcpkg integrate install`). +2. Add imgui_freetype.h/cpp alongside your imgui sources. +3. Include imgui_freetype.h after imgui.h. +4. Call `ImGuiFreeType::BuildFontAtlas()` *BEFORE* calling `ImFontAtlas::GetTexDataAsRGBA32()` or `ImFontAtlas::Build()` (so normal Build() won't be called): + +```cpp +// See ImGuiFreeType::RasterizationFlags +unsigned int flags = ImGuiFreeType::NoHinting; +ImGuiFreeType::BuildFontAtlas(io.Fonts, flags); +io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); +``` + +### Gamma Correct Blending + +FreeType assumes blending in linear space rather than gamma space. +See FreeType note for [FT_Render_Glyph](https://www.freetype.org/freetype2/docs/reference/ft2-base_interface.html#FT_Render_Glyph). +For correct results you need to be using sRGB and convert to linear space in the pixel shader output. +The default Dear ImGui styles will be impacted by this change (alpha values will need tweaking). + +### Test code Usage +```cpp +#include "misc/freetype/imgui_freetype.h" +#include "misc/freetype/imgui_freetype.cpp" + +// Load various small fonts +ImGuiIO& io = ImGui::GetIO(); +io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 13.0f); +io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 13.0f); +io.Fonts->AddFontDefault(); + +FreeTypeTest freetype_test; + +// Main Loop +while (true) +{ + if (freetype_test.UpdateRebuild()) + { + // REUPLOAD FONT TEXTURE TO GPU + ImGui_ImplXXX_DestroyDeviceObjects(); + ImGui_ImplXXX_CreateDeviceObjects(); + } + ImGui::NewFrame(); + freetype_test.ShowFreetypeOptionsWindow(); + ... +} +``` + +### Test code +```cpp +#include "misc/freetype/imgui_freetype.h" +#include "misc/freetype/imgui_freetype.cpp" + +struct FreeTypeTest +{ + enum FontBuildMode + { + FontBuildMode_FreeType, + FontBuildMode_Stb + }; + + FontBuildMode BuildMode; + bool WantRebuild; + float FontsMultiply; + int FontsPadding; + unsigned int FontsFlags; + + FreeTypeTest() + { + BuildMode = FontBuildMode_FreeType; + WantRebuild = true; + FontsMultiply = 1.0f; + FontsPadding = 1; + FontsFlags = 0; + } + + // Call _BEFORE_ NewFrame() + bool UpdateRebuild() + { + if (!WantRebuild) + return false; + ImGuiIO& io = ImGui::GetIO(); + io.Fonts->TexGlyphPadding = FontsPadding; + for (int n = 0; n < io.Fonts->ConfigData.Size; n++) + { + ImFontConfig* font_config = (ImFontConfig*)&io.Fonts->ConfigData[n]; + font_config->RasterizerMultiply = FontsMultiply; + font_config->RasterizerFlags = (BuildMode == FontBuildMode_FreeType) ? FontsFlags : 0x00; + } + if (BuildMode == FontBuildMode_FreeType) + ImGuiFreeType::BuildFontAtlas(io.Fonts, FontsFlags); + else if (BuildMode == FontBuildMode_Stb) + io.Fonts->Build(); + WantRebuild = false; + return true; + } + + // Call to draw interface + void ShowFreetypeOptionsWindow() + { + ImGui::Begin("FreeType Options"); + ImGui::ShowFontSelector("Fonts"); + WantRebuild |= ImGui::RadioButton("FreeType", (int*)&BuildMode, FontBuildMode_FreeType); + ImGui::SameLine(); + WantRebuild |= ImGui::RadioButton("Stb (Default)", (int*)&BuildMode, FontBuildMode_Stb); + WantRebuild |= ImGui::DragFloat("Multiply", &FontsMultiply, 0.001f, 0.0f, 2.0f); + WantRebuild |= ImGui::DragInt("Padding", &FontsPadding, 0.1f, 0, 16); + if (BuildMode == FontBuildMode_FreeType) + { + WantRebuild |= ImGui::CheckboxFlags("NoHinting", &FontsFlags, ImGuiFreeType::NoHinting); + WantRebuild |= ImGui::CheckboxFlags("NoAutoHint", &FontsFlags, ImGuiFreeType::NoAutoHint); + WantRebuild |= ImGui::CheckboxFlags("ForceAutoHint", &FontsFlags, ImGuiFreeType::ForceAutoHint); + WantRebuild |= ImGui::CheckboxFlags("LightHinting", &FontsFlags, ImGuiFreeType::LightHinting); + WantRebuild |= ImGui::CheckboxFlags("MonoHinting", &FontsFlags, ImGuiFreeType::MonoHinting); + WantRebuild |= ImGui::CheckboxFlags("Bold", &FontsFlags, ImGuiFreeType::Bold); + WantRebuild |= ImGui::CheckboxFlags("Oblique", &FontsFlags, ImGuiFreeType::Oblique); + WantRebuild |= ImGui::CheckboxFlags("Monochrome", &FontsFlags, ImGuiFreeType::Monochrome); + } + ImGui::End(); + } +}; +``` + +### Known issues +- `cfg.OversampleH`, `OversampleV` are ignored (but perhaps not so necessary with this rasterizer). + diff --git a/imgui-submodule/imgui/misc/freetype/imgui_freetype.cpp b/imgui-submodule/imgui/misc/freetype/imgui_freetype.cpp new file mode 100644 index 0000000..93a5616 --- /dev/null +++ b/imgui-submodule/imgui/misc/freetype/imgui_freetype.cpp @@ -0,0 +1,681 @@ +// Wrapper to use FreeType (instead of stb_truetype) for Dear ImGui +// Get latest version at https://github.com/ocornut/imgui/tree/master/misc/freetype +// Original code by @vuhdo (Aleksei Skriabin). Improvements by @mikesart. Maintained and v0.60+ by @ocornut. + +// Changelog: +// - v0.50: (2017/08/16) imported from https://github.com/Vuhdo/imgui_freetype into http://www.github.com/ocornut/imgui_club, updated for latest changes in ImFontAtlas, minor tweaks. +// - v0.51: (2017/08/26) cleanup, optimizations, support for ImFontConfig::RasterizerFlags, ImFontConfig::RasterizerMultiply. +// - v0.52: (2017/09/26) fixes for imgui internal changes. +// - v0.53: (2017/10/22) minor inconsequential change to match change in master (removed an unnecessary statement). +// - v0.54: (2018/01/22) fix for addition of ImFontAtlas::TexUvscale member. +// - v0.55: (2018/02/04) moved to main imgui repository (away from http://www.github.com/ocornut/imgui_club) +// - v0.56: (2018/06/08) added support for ImFontConfig::GlyphMinAdvanceX, GlyphMaxAdvanceX. +// - v0.60: (2019/01/10) re-factored to match big update in STB builder. fixed texture height waste. fixed redundant glyphs when merging. support for glyph padding. +// - v0.61: (2019/01/15) added support for imgui allocators + added FreeType only override function SetAllocatorFunctions(). +// - v0.62: (2019/02/09) added RasterizerFlags::Monochrome flag to disable font anti-aliasing (combine with ::MonoHinting for best results!) + +// Gamma Correct Blending: +// FreeType assumes blending in linear space rather than gamma space. +// See https://www.freetype.org/freetype2/docs/reference/ft2-base_interface.html#FT_Render_Glyph +// For correct results you need to be using sRGB and convert to linear space in the pixel shader output. +// The default imgui styles will be impacted by this change (alpha values will need tweaking). + +// FIXME: cfg.OversampleH, OversampleV are not supported (but perhaps not so necessary with this rasterizer). + +#include "imgui_freetype.h" +#include "imgui_internal.h" // ImMin,ImMax,ImFontAtlasBuild*, +#include +#include +#include FT_FREETYPE_H // +#include FT_MODULE_H // +#include FT_GLYPH_H // +#include FT_SYNTHESIS_H // + +#ifdef _MSC_VER +#pragma warning (disable: 4505) // unreferenced local function has been removed (stb stuff) +#endif + +#if defined(__GNUC__) +#pragma GCC diagnostic ignored "-Wpragmas" // warning: unknown option after '#pragma GCC diagnostic' kind +#pragma GCC diagnostic ignored "-Wunused-function" // warning: 'xxxx' defined but not used +#endif + +namespace +{ + // Glyph metrics: + // -------------- + // + // xmin xmax + // | | + // |<-------- width -------->| + // | | + // | +-------------------------+----------------- ymax + // | | ggggggggg ggggg | ^ ^ + // | | g:::::::::ggg::::g | | | + // | | g:::::::::::::::::g | | | + // | | g::::::ggggg::::::gg | | | + // | | g:::::g g:::::g | | | + // offsetX -|-------->| g:::::g g:::::g | offsetY | + // | | g:::::g g:::::g | | | + // | | g::::::g g:::::g | | | + // | | g:::::::ggggg:::::g | | | + // | | g::::::::::::::::g | | height + // | | gg::::::::::::::g | | | + // baseline ---*---------|---- gggggggg::::::g-----*-------- | + // / | | g:::::g | | + // origin | | gggggg g:::::g | | + // | | g:::::gg gg:::::g | | + // | | g::::::ggg:::::::g | | + // | | gg:::::::::::::g | | + // | | ggg::::::ggg | | + // | | gggggg | v + // | +-------------------------+----------------- ymin + // | | + // |------------- advanceX ----------->| + + /// A structure that describe a glyph. + struct GlyphInfo + { + int Width; // Glyph's width in pixels. + int Height; // Glyph's height in pixels. + FT_Int OffsetX; // The distance from the origin ("pen position") to the left of the glyph. + FT_Int OffsetY; // The distance from the origin to the top of the glyph. This is usually a value < 0. + float AdvanceX; // The distance from the origin to the origin of the next glyph. This is usually a value > 0. + }; + + // Font parameters and metrics. + struct FontInfo + { + uint32_t PixelHeight; // Size this font was generated with. + float Ascender; // The pixel extents above the baseline in pixels (typically positive). + float Descender; // The extents below the baseline in pixels (typically negative). + float LineSpacing; // The baseline-to-baseline distance. Note that it usually is larger than the sum of the ascender and descender taken as absolute values. There is also no guarantee that no glyphs extend above or below subsequent baselines when using this distance. Think of it as a value the designer of the font finds appropriate. + float LineGap; // The spacing in pixels between one row's descent and the next row's ascent. + float MaxAdvanceWidth; // This field gives the maximum horizontal cursor advance for all glyphs in the font. + }; + + // FreeType glyph rasterizer. + // NB: No ctor/dtor, explicitly call Init()/Shutdown() + struct FreeTypeFont + { + bool InitFont(FT_Library ft_library, const ImFontConfig& cfg, unsigned int extra_user_flags); // Initialize from an external data buffer. Doesn't copy data, and you must ensure it stays valid up to this object lifetime. + void CloseFont(); + void SetPixelHeight(int pixel_height); // Change font pixel size. All following calls to RasterizeGlyph() will use this size + const FT_Glyph_Metrics* LoadGlyph(uint32_t in_codepoint); + const FT_Bitmap* RenderGlyphAndGetInfo(GlyphInfo* out_glyph_info); + void BlitGlyph(const FT_Bitmap* ft_bitmap, uint8_t* dst, uint32_t dst_pitch, unsigned char* multiply_table = NULL); + ~FreeTypeFont() { CloseFont(); } + + // [Internals] + FontInfo Info; // Font descriptor of the current font. + FT_Face Face; + unsigned int UserFlags; // = ImFontConfig::RasterizerFlags + FT_Int32 LoadFlags; + FT_Render_Mode RenderMode; + }; + + // From SDL_ttf: Handy routines for converting from fixed point + #define FT_CEIL(X) (((X + 63) & -64) / 64) + + bool FreeTypeFont::InitFont(FT_Library ft_library, const ImFontConfig& cfg, unsigned int extra_user_flags) + { + FT_Error error = FT_New_Memory_Face(ft_library, (uint8_t*)cfg.FontData, (uint32_t)cfg.FontDataSize, (uint32_t)cfg.FontNo, &Face); + if (error != 0) + return false; + error = FT_Select_Charmap(Face, FT_ENCODING_UNICODE); + if (error != 0) + return false; + + memset(&Info, 0, sizeof(Info)); + SetPixelHeight((uint32_t)cfg.SizePixels); + + // Convert to FreeType flags (NB: Bold and Oblique are processed separately) + UserFlags = cfg.RasterizerFlags | extra_user_flags; + LoadFlags = FT_LOAD_NO_BITMAP; + if (UserFlags & ImGuiFreeType::NoHinting) + LoadFlags |= FT_LOAD_NO_HINTING; + if (UserFlags & ImGuiFreeType::NoAutoHint) + LoadFlags |= FT_LOAD_NO_AUTOHINT; + if (UserFlags & ImGuiFreeType::ForceAutoHint) + LoadFlags |= FT_LOAD_FORCE_AUTOHINT; + if (UserFlags & ImGuiFreeType::LightHinting) + LoadFlags |= FT_LOAD_TARGET_LIGHT; + else if (UserFlags & ImGuiFreeType::MonoHinting) + LoadFlags |= FT_LOAD_TARGET_MONO; + else + LoadFlags |= FT_LOAD_TARGET_NORMAL; + + if (UserFlags & ImGuiFreeType::Monochrome) + RenderMode = FT_RENDER_MODE_MONO; + else + RenderMode = FT_RENDER_MODE_NORMAL; + + return true; + } + + void FreeTypeFont::CloseFont() + { + if (Face) + { + FT_Done_Face(Face); + Face = NULL; + } + } + + void FreeTypeFont::SetPixelHeight(int pixel_height) + { + // Vuhdo: I'm not sure how to deal with font sizes properly. As far as I understand, currently ImGui assumes that the 'pixel_height' + // is a maximum height of an any given glyph, i.e. it's the sum of font's ascender and descender. Seems strange to me. + // NB: FT_Set_Pixel_Sizes() doesn't seem to get us the same result. + FT_Size_RequestRec req; + req.type = FT_SIZE_REQUEST_TYPE_REAL_DIM; + req.width = 0; + req.height = (uint32_t)pixel_height * 64; + req.horiResolution = 0; + req.vertResolution = 0; + FT_Request_Size(Face, &req); + + // Update font info + FT_Size_Metrics metrics = Face->size->metrics; + Info.PixelHeight = (uint32_t)pixel_height; + Info.Ascender = (float)FT_CEIL(metrics.ascender); + Info.Descender = (float)FT_CEIL(metrics.descender); + Info.LineSpacing = (float)FT_CEIL(metrics.height); + Info.LineGap = (float)FT_CEIL(metrics.height - metrics.ascender + metrics.descender); + Info.MaxAdvanceWidth = (float)FT_CEIL(metrics.max_advance); + } + + const FT_Glyph_Metrics* FreeTypeFont::LoadGlyph(uint32_t codepoint) + { + uint32_t glyph_index = FT_Get_Char_Index(Face, codepoint); + if (glyph_index == 0) + return NULL; + FT_Error error = FT_Load_Glyph(Face, glyph_index, LoadFlags); + if (error) + return NULL; + + // Need an outline for this to work + FT_GlyphSlot slot = Face->glyph; + IM_ASSERT(slot->format == FT_GLYPH_FORMAT_OUTLINE); + + // Apply convenience transform (this is not picking from real "Bold"/"Italic" fonts! Merely applying FreeType helper transform. Oblique == Slanting) + if (UserFlags & ImGuiFreeType::Bold) + FT_GlyphSlot_Embolden(slot); + if (UserFlags & ImGuiFreeType::Oblique) + { + FT_GlyphSlot_Oblique(slot); + //FT_BBox bbox; + //FT_Outline_Get_BBox(&slot->outline, &bbox); + //slot->metrics.width = bbox.xMax - bbox.xMin; + //slot->metrics.height = bbox.yMax - bbox.yMin; + } + + return &slot->metrics; + } + + const FT_Bitmap* FreeTypeFont::RenderGlyphAndGetInfo(GlyphInfo* out_glyph_info) + { + FT_GlyphSlot slot = Face->glyph; + FT_Error error = FT_Render_Glyph(slot, RenderMode); + if (error != 0) + return NULL; + + FT_Bitmap* ft_bitmap = &Face->glyph->bitmap; + out_glyph_info->Width = (int)ft_bitmap->width; + out_glyph_info->Height = (int)ft_bitmap->rows; + out_glyph_info->OffsetX = Face->glyph->bitmap_left; + out_glyph_info->OffsetY = -Face->glyph->bitmap_top; + out_glyph_info->AdvanceX = (float)FT_CEIL(slot->advance.x); + + return ft_bitmap; + } + + void FreeTypeFont::BlitGlyph(const FT_Bitmap* ft_bitmap, uint8_t* dst, uint32_t dst_pitch, unsigned char* multiply_table) + { + IM_ASSERT(ft_bitmap != NULL); + const uint32_t w = ft_bitmap->width; + const uint32_t h = ft_bitmap->rows; + const uint8_t* src = ft_bitmap->buffer; + const uint32_t src_pitch = ft_bitmap->pitch; + + switch (ft_bitmap->pixel_mode) + { + case FT_PIXEL_MODE_GRAY: // Grayscale image, 1 byte per pixel. + { + if (multiply_table == NULL) + { + for (uint32_t y = 0; y < h; y++, src += src_pitch, dst += dst_pitch) + memcpy(dst, src, w); + } + else + { + for (uint32_t y = 0; y < h; y++, src += src_pitch, dst += dst_pitch) + for (uint32_t x = 0; x < w; x++) + dst[x] = multiply_table[src[x]]; + } + break; + } + case FT_PIXEL_MODE_MONO: // Monochrome image, 1 bit per pixel. The bits in each byte are ordered from MSB to LSB. + { + uint8_t color0 = multiply_table ? multiply_table[0] : 0; + uint8_t color1 = multiply_table ? multiply_table[255] : 255; + for (uint32_t y = 0; y < h; y++, src += src_pitch, dst += dst_pitch) + { + uint8_t bits = 0; + const uint8_t* bits_ptr = src; + for (uint32_t x = 0; x < w; x++, bits <<= 1) + { + if ((x & 7) == 0) + bits = *bits_ptr++; + dst[x] = (bits & 0x80) ? color1 : color0; + } + } + break; + } + default: + IM_ASSERT(0 && "FreeTypeFont::BlitGlyph(): Unknown bitmap pixel mode!"); + } + } +} + +#ifndef STB_RECT_PACK_IMPLEMENTATION // in case the user already have an implementation in the _same_ compilation unit (e.g. unity builds) +#ifndef IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION +#define STBRP_ASSERT(x) IM_ASSERT(x) +#define STBRP_STATIC +#define STB_RECT_PACK_IMPLEMENTATION +#endif +#ifdef IMGUI_STB_RECT_PACK_FILENAME +#include IMGUI_STB_RECT_PACK_FILENAME +#else +#include "imstb_rectpack.h" +#endif +#endif + +struct ImFontBuildSrcGlyphFT +{ + GlyphInfo Info; + uint32_t Codepoint; + unsigned char* BitmapData; // Point within one of the dst_tmp_bitmap_buffers[] array +}; + +struct ImFontBuildSrcDataFT +{ + FreeTypeFont Font; + stbrp_rect* Rects; // Rectangle to pack. We first fill in their size and the packer will give us their position. + const ImWchar* SrcRanges; // Ranges as requested by user (user is allowed to request too much, e.g. 0x0020..0xFFFF) + int DstIndex; // Index into atlas->Fonts[] and dst_tmp_array[] + int GlyphsHighest; // Highest requested codepoint + int GlyphsCount; // Glyph count (excluding missing glyphs and glyphs already set by an earlier source font) + ImBitVector GlyphsSet; // Glyph bit map (random access, 1-bit per codepoint. This will be a maximum of 8KB) + ImVector GlyphsList; +}; + +// Temporary data for one destination ImFont* (multiple source fonts can be merged into one destination ImFont) +struct ImFontBuildDstDataFT +{ + int SrcCount; // Number of source fonts targeting this destination font. + int GlyphsHighest; + int GlyphsCount; + ImBitVector GlyphsSet; // This is used to resolve collision when multiple sources are merged into a same destination font. +}; + +bool ImFontAtlasBuildWithFreeType(FT_Library ft_library, ImFontAtlas* atlas, unsigned int extra_flags) +{ + IM_ASSERT(atlas->ConfigData.Size > 0); + + ImFontAtlasBuildInit(atlas); + + // Clear atlas + atlas->TexID = (ImTextureID)NULL; + atlas->TexWidth = atlas->TexHeight = 0; + atlas->TexUvScale = ImVec2(0.0f, 0.0f); + atlas->TexUvWhitePixel = ImVec2(0.0f, 0.0f); + atlas->ClearTexData(); + + // Temporary storage for building + ImVector src_tmp_array; + ImVector dst_tmp_array; + src_tmp_array.resize(atlas->ConfigData.Size); + dst_tmp_array.resize(atlas->Fonts.Size); + memset(src_tmp_array.Data, 0, (size_t)src_tmp_array.size_in_bytes()); + memset(dst_tmp_array.Data, 0, (size_t)dst_tmp_array.size_in_bytes()); + + // 1. Initialize font loading structure, check font data validity + for (int src_i = 0; src_i < atlas->ConfigData.Size; src_i++) + { + ImFontBuildSrcDataFT& src_tmp = src_tmp_array[src_i]; + ImFontConfig& cfg = atlas->ConfigData[src_i]; + FreeTypeFont& font_face = src_tmp.Font; + IM_ASSERT(cfg.DstFont && (!cfg.DstFont->IsLoaded() || cfg.DstFont->ContainerAtlas == atlas)); + + // Find index from cfg.DstFont (we allow the user to set cfg.DstFont. Also it makes casual debugging nicer than when storing indices) + src_tmp.DstIndex = -1; + for (int output_i = 0; output_i < atlas->Fonts.Size && src_tmp.DstIndex == -1; output_i++) + if (cfg.DstFont == atlas->Fonts[output_i]) + src_tmp.DstIndex = output_i; + IM_ASSERT(src_tmp.DstIndex != -1); // cfg.DstFont not pointing within atlas->Fonts[] array? + if (src_tmp.DstIndex == -1) + return false; + + // Load font + if (!font_face.InitFont(ft_library, cfg, extra_flags)) + return false; + + // Measure highest codepoints + ImFontBuildDstDataFT& dst_tmp = dst_tmp_array[src_tmp.DstIndex]; + src_tmp.SrcRanges = cfg.GlyphRanges ? cfg.GlyphRanges : atlas->GetGlyphRangesDefault(); + for (const ImWchar* src_range = src_tmp.SrcRanges; src_range[0] && src_range[1]; src_range += 2) + src_tmp.GlyphsHighest = ImMax(src_tmp.GlyphsHighest, (int)src_range[1]); + dst_tmp.SrcCount++; + dst_tmp.GlyphsHighest = ImMax(dst_tmp.GlyphsHighest, src_tmp.GlyphsHighest); + } + + // 2. For every requested codepoint, check for their presence in the font data, and handle redundancy or overlaps between source fonts to avoid unused glyphs. + int total_glyphs_count = 0; + for (int src_i = 0; src_i < src_tmp_array.Size; src_i++) + { + ImFontBuildSrcDataFT& src_tmp = src_tmp_array[src_i]; + ImFontBuildDstDataFT& dst_tmp = dst_tmp_array[src_tmp.DstIndex]; + src_tmp.GlyphsSet.Create(src_tmp.GlyphsHighest + 1); + if (dst_tmp.GlyphsSet.Storage.empty()) + dst_tmp.GlyphsSet.Create(dst_tmp.GlyphsHighest + 1); + + for (const ImWchar* src_range = src_tmp.SrcRanges; src_range[0] && src_range[1]; src_range += 2) + for (int codepoint = src_range[0]; codepoint <= src_range[1]; codepoint++) + { + if (dst_tmp.GlyphsSet.TestBit(codepoint)) // Don't overwrite existing glyphs. We could make this an option (e.g. MergeOverwrite) + continue; + uint32_t glyph_index = FT_Get_Char_Index(src_tmp.Font.Face, codepoint); // It is actually in the font? (FIXME-OPT: We are not storing the glyph_index..) + if (glyph_index == 0) + continue; + + // Add to avail set/counters + src_tmp.GlyphsCount++; + dst_tmp.GlyphsCount++; + src_tmp.GlyphsSet.SetBit(codepoint); + dst_tmp.GlyphsSet.SetBit(codepoint); + total_glyphs_count++; + } + } + + // 3. Unpack our bit map into a flat list (we now have all the Unicode points that we know are requested _and_ available _and_ not overlapping another) + for (int src_i = 0; src_i < src_tmp_array.Size; src_i++) + { + ImFontBuildSrcDataFT& src_tmp = src_tmp_array[src_i]; + src_tmp.GlyphsList.reserve(src_tmp.GlyphsCount); + + IM_ASSERT(sizeof(src_tmp.GlyphsSet.Storage.Data[0]) == sizeof(ImU32)); + const ImU32* it_begin = src_tmp.GlyphsSet.Storage.begin(); + const ImU32* it_end = src_tmp.GlyphsSet.Storage.end(); + for (const ImU32* it = it_begin; it < it_end; it++) + if (ImU32 entries_32 = *it) + for (ImU32 bit_n = 0; bit_n < 32; bit_n++) + if (entries_32 & ((ImU32)1 << bit_n)) + { + ImFontBuildSrcGlyphFT src_glyph; + memset(&src_glyph, 0, sizeof(src_glyph)); + src_glyph.Codepoint = (ImWchar)(((it - it_begin) << 5) + bit_n); + //src_glyph.GlyphIndex = 0; // FIXME-OPT: We had this info in the previous step and lost it.. + src_tmp.GlyphsList.push_back(src_glyph); + } + src_tmp.GlyphsSet.Clear(); + IM_ASSERT(src_tmp.GlyphsList.Size == src_tmp.GlyphsCount); + } + for (int dst_i = 0; dst_i < dst_tmp_array.Size; dst_i++) + dst_tmp_array[dst_i].GlyphsSet.Clear(); + dst_tmp_array.clear(); + + // Allocate packing character data and flag packed characters buffer as non-packed (x0=y0=x1=y1=0) + // (We technically don't need to zero-clear buf_rects, but let's do it for the sake of sanity) + ImVector buf_rects; + buf_rects.resize(total_glyphs_count); + memset(buf_rects.Data, 0, (size_t)buf_rects.size_in_bytes()); + + // Allocate temporary rasterization data buffers. + // We could not find a way to retrieve accurate glyph size without rendering them. + // (e.g. slot->metrics->width not always matching bitmap->width, especially considering the Oblique transform) + // We allocate in chunks of 256 KB to not waste too much extra memory ahead. Hopefully users of FreeType won't find the temporary allocations. + const int BITMAP_BUFFERS_CHUNK_SIZE = 256 * 1024; + int buf_bitmap_current_used_bytes = 0; + ImVector buf_bitmap_buffers; + buf_bitmap_buffers.push_back((unsigned char*)IM_ALLOC(BITMAP_BUFFERS_CHUNK_SIZE)); + + // 4. Gather glyphs sizes so we can pack them in our virtual canvas. + // 8. Render/rasterize font characters into the texture + int total_surface = 0; + int buf_rects_out_n = 0; + for (int src_i = 0; src_i < src_tmp_array.Size; src_i++) + { + ImFontBuildSrcDataFT& src_tmp = src_tmp_array[src_i]; + ImFontConfig& cfg = atlas->ConfigData[src_i]; + if (src_tmp.GlyphsCount == 0) + continue; + + src_tmp.Rects = &buf_rects[buf_rects_out_n]; + buf_rects_out_n += src_tmp.GlyphsCount; + + // Compute multiply table if requested + const bool multiply_enabled = (cfg.RasterizerMultiply != 1.0f); + unsigned char multiply_table[256]; + if (multiply_enabled) + ImFontAtlasBuildMultiplyCalcLookupTable(multiply_table, cfg.RasterizerMultiply); + + // Gather the sizes of all rectangles we will need to pack + const int padding = atlas->TexGlyphPadding; + for (int glyph_i = 0; glyph_i < src_tmp.GlyphsList.Size; glyph_i++) + { + ImFontBuildSrcGlyphFT& src_glyph = src_tmp.GlyphsList[glyph_i]; + + const FT_Glyph_Metrics* metrics = src_tmp.Font.LoadGlyph(src_glyph.Codepoint); + IM_ASSERT(metrics != NULL); + if (metrics == NULL) + continue; + + // Render glyph into a bitmap (currently held by FreeType) + const FT_Bitmap* ft_bitmap = src_tmp.Font.RenderGlyphAndGetInfo(&src_glyph.Info); + IM_ASSERT(ft_bitmap); + + // Allocate new temporary chunk if needed + const int bitmap_size_in_bytes = src_glyph.Info.Width * src_glyph.Info.Height; + if (buf_bitmap_current_used_bytes + bitmap_size_in_bytes > BITMAP_BUFFERS_CHUNK_SIZE) + { + buf_bitmap_current_used_bytes = 0; + buf_bitmap_buffers.push_back((unsigned char*)IM_ALLOC(BITMAP_BUFFERS_CHUNK_SIZE)); + } + + // Blit rasterized pixels to our temporary buffer and keep a pointer to it. + src_glyph.BitmapData = buf_bitmap_buffers.back() + buf_bitmap_current_used_bytes; + buf_bitmap_current_used_bytes += bitmap_size_in_bytes; + src_tmp.Font.BlitGlyph(ft_bitmap, src_glyph.BitmapData, src_glyph.Info.Width * 1, multiply_enabled ? multiply_table : NULL); + + src_tmp.Rects[glyph_i].w = (stbrp_coord)(src_glyph.Info.Width + padding); + src_tmp.Rects[glyph_i].h = (stbrp_coord)(src_glyph.Info.Height + padding); + total_surface += src_tmp.Rects[glyph_i].w * src_tmp.Rects[glyph_i].h; + } + } + + // We need a width for the skyline algorithm, any width! + // The exact width doesn't really matter much, but some API/GPU have texture size limitations and increasing width can decrease height. + // User can override TexDesiredWidth and TexGlyphPadding if they wish, otherwise we use a simple heuristic to select the width based on expected surface. + const int surface_sqrt = (int)ImSqrt((float)total_surface) + 1; + atlas->TexHeight = 0; + if (atlas->TexDesiredWidth > 0) + atlas->TexWidth = atlas->TexDesiredWidth; + else + atlas->TexWidth = (surface_sqrt >= 4096*0.7f) ? 4096 : (surface_sqrt >= 2048*0.7f) ? 2048 : (surface_sqrt >= 1024*0.7f) ? 1024 : 512; + + // 5. Start packing + // Pack our extra data rectangles first, so it will be on the upper-left corner of our texture (UV will have small values). + const int TEX_HEIGHT_MAX = 1024 * 32; + const int num_nodes_for_packing_algorithm = atlas->TexWidth - atlas->TexGlyphPadding; + ImVector pack_nodes; + pack_nodes.resize(num_nodes_for_packing_algorithm); + stbrp_context pack_context; + stbrp_init_target(&pack_context, atlas->TexWidth, TEX_HEIGHT_MAX, pack_nodes.Data, pack_nodes.Size); + ImFontAtlasBuildPackCustomRects(atlas, &pack_context); + + // 6. Pack each source font. No rendering yet, we are working with rectangles in an infinitely tall texture at this point. + for (int src_i = 0; src_i < src_tmp_array.Size; src_i++) + { + ImFontBuildSrcDataFT& src_tmp = src_tmp_array[src_i]; + if (src_tmp.GlyphsCount == 0) + continue; + + stbrp_pack_rects(&pack_context, src_tmp.Rects, src_tmp.GlyphsCount); + + // Extend texture height and mark missing glyphs as non-packed so we won't render them. + // FIXME: We are not handling packing failure here (would happen if we got off TEX_HEIGHT_MAX or if a single if larger than TexWidth?) + for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++) + if (src_tmp.Rects[glyph_i].was_packed) + atlas->TexHeight = ImMax(atlas->TexHeight, src_tmp.Rects[glyph_i].y + src_tmp.Rects[glyph_i].h); + } + + // 7. Allocate texture + atlas->TexHeight = (atlas->Flags & ImFontAtlasFlags_NoPowerOfTwoHeight) ? (atlas->TexHeight + 1) : ImUpperPowerOfTwo(atlas->TexHeight); + atlas->TexUvScale = ImVec2(1.0f / atlas->TexWidth, 1.0f / atlas->TexHeight); + atlas->TexPixelsAlpha8 = (unsigned char*)IM_ALLOC(atlas->TexWidth * atlas->TexHeight); + memset(atlas->TexPixelsAlpha8, 0, atlas->TexWidth * atlas->TexHeight); + + // 8. Copy rasterized font characters back into the main texture + // 9. Setup ImFont and glyphs for runtime + for (int src_i = 0; src_i < src_tmp_array.Size; src_i++) + { + ImFontBuildSrcDataFT& src_tmp = src_tmp_array[src_i]; + if (src_tmp.GlyphsCount == 0) + continue; + + ImFontConfig& cfg = atlas->ConfigData[src_i]; + ImFont* dst_font = cfg.DstFont; // We can have multiple input fonts writing into a same destination font (when using MergeMode=true) + + const float ascent = src_tmp.Font.Info.Ascender; + const float descent = src_tmp.Font.Info.Descender; + ImFontAtlasBuildSetupFont(atlas, dst_font, &cfg, ascent, descent); + const float font_off_x = cfg.GlyphOffset.x; + const float font_off_y = cfg.GlyphOffset.y + IM_ROUND(dst_font->Ascent); + + const int padding = atlas->TexGlyphPadding; + for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++) + { + ImFontBuildSrcGlyphFT& src_glyph = src_tmp.GlyphsList[glyph_i]; + stbrp_rect& pack_rect = src_tmp.Rects[glyph_i]; + IM_ASSERT(pack_rect.was_packed); + + GlyphInfo& info = src_glyph.Info; + IM_ASSERT(info.Width + padding <= pack_rect.w); + IM_ASSERT(info.Height + padding <= pack_rect.h); + const int tx = pack_rect.x + padding; + const int ty = pack_rect.y + padding; + + // Blit from temporary buffer to final texture + size_t blit_src_stride = (size_t)src_glyph.Info.Width; + size_t blit_dst_stride = (size_t)atlas->TexWidth; + unsigned char* blit_src = src_glyph.BitmapData; + unsigned char* blit_dst = atlas->TexPixelsAlpha8 + (ty * blit_dst_stride) + tx; + for (int y = info.Height; y > 0; y--, blit_dst += blit_dst_stride, blit_src += blit_src_stride) + memcpy(blit_dst, blit_src, blit_src_stride); + + float char_advance_x_org = info.AdvanceX; + float char_advance_x_mod = ImClamp(char_advance_x_org, cfg.GlyphMinAdvanceX, cfg.GlyphMaxAdvanceX); + float char_off_x = font_off_x; + if (char_advance_x_org != char_advance_x_mod) + char_off_x += cfg.PixelSnapH ? IM_FLOOR((char_advance_x_mod - char_advance_x_org) * 0.5f) : (char_advance_x_mod - char_advance_x_org) * 0.5f; + + // Register glyph + float x0 = info.OffsetX + char_off_x; + float y0 = info.OffsetY + font_off_y; + float x1 = x0 + info.Width; + float y1 = y0 + info.Height; + float u0 = (tx) / (float)atlas->TexWidth; + float v0 = (ty) / (float)atlas->TexHeight; + float u1 = (tx + info.Width) / (float)atlas->TexWidth; + float v1 = (ty + info.Height) / (float)atlas->TexHeight; + dst_font->AddGlyph((ImWchar)src_glyph.Codepoint, x0, y0, x1, y1, u0, v0, u1, v1, char_advance_x_mod); + } + + src_tmp.Rects = NULL; + } + + // Cleanup + for (int buf_i = 0; buf_i < buf_bitmap_buffers.Size; buf_i++) + IM_FREE(buf_bitmap_buffers[buf_i]); + for (int src_i = 0; src_i < src_tmp_array.Size; src_i++) + src_tmp_array[src_i].~ImFontBuildSrcDataFT(); + + ImFontAtlasBuildFinish(atlas); + + return true; +} + +// Default memory allocators +static void* ImFreeTypeDefaultAllocFunc(size_t size, void* user_data) { IM_UNUSED(user_data); return IM_ALLOC(size); } +static void ImFreeTypeDefaultFreeFunc(void* ptr, void* user_data) { IM_UNUSED(user_data); IM_FREE(ptr); } + +// Current memory allocators +static void* (*GImFreeTypeAllocFunc)(size_t size, void* user_data) = ImFreeTypeDefaultAllocFunc; +static void (*GImFreeTypeFreeFunc)(void* ptr, void* user_data) = ImFreeTypeDefaultFreeFunc; +static void* GImFreeTypeAllocatorUserData = NULL; + +// FreeType memory allocation callbacks +static void* FreeType_Alloc(FT_Memory /*memory*/, long size) +{ + return GImFreeTypeAllocFunc((size_t)size, GImFreeTypeAllocatorUserData); +} + +static void FreeType_Free(FT_Memory /*memory*/, void* block) +{ + GImFreeTypeFreeFunc(block, GImFreeTypeAllocatorUserData); +} + +static void* FreeType_Realloc(FT_Memory /*memory*/, long cur_size, long new_size, void* block) +{ + // Implement realloc() as we don't ask user to provide it. + if (block == NULL) + return GImFreeTypeAllocFunc((size_t)new_size, GImFreeTypeAllocatorUserData); + + if (new_size == 0) + { + GImFreeTypeFreeFunc(block, GImFreeTypeAllocatorUserData); + return NULL; + } + + if (new_size > cur_size) + { + void* new_block = GImFreeTypeAllocFunc((size_t)new_size, GImFreeTypeAllocatorUserData); + memcpy(new_block, block, (size_t)cur_size); + GImFreeTypeFreeFunc(block, GImFreeTypeAllocatorUserData); + return new_block; + } + + return block; +} + +bool ImGuiFreeType::BuildFontAtlas(ImFontAtlas* atlas, unsigned int extra_flags) +{ + // FreeType memory management: https://www.freetype.org/freetype2/docs/design/design-4.html + FT_MemoryRec_ memory_rec = {}; + memory_rec.user = NULL; + memory_rec.alloc = &FreeType_Alloc; + memory_rec.free = &FreeType_Free; + memory_rec.realloc = &FreeType_Realloc; + + // https://www.freetype.org/freetype2/docs/reference/ft2-module_management.html#FT_New_Library + FT_Library ft_library; + FT_Error error = FT_New_Library(&memory_rec, &ft_library); + if (error != 0) + return false; + + // If you don't call FT_Add_Default_Modules() the rest of code may work, but FreeType won't use our custom allocator. + FT_Add_Default_Modules(ft_library); + + bool ret = ImFontAtlasBuildWithFreeType(ft_library, atlas, extra_flags); + FT_Done_Library(ft_library); + + return ret; +} + +void ImGuiFreeType::SetAllocatorFunctions(void* (*alloc_func)(size_t sz, void* user_data), void (*free_func)(void* ptr, void* user_data), void* user_data) +{ + GImFreeTypeAllocFunc = alloc_func; + GImFreeTypeFreeFunc = free_func; + GImFreeTypeAllocatorUserData = user_data; +} diff --git a/imgui-submodule/imgui/misc/freetype/imgui_freetype.h b/imgui-submodule/imgui/misc/freetype/imgui_freetype.h new file mode 100644 index 0000000..d65c772 --- /dev/null +++ b/imgui-submodule/imgui/misc/freetype/imgui_freetype.h @@ -0,0 +1,36 @@ +// Wrapper to use FreeType (instead of stb_truetype) for Dear ImGui +// Get latest version at https://github.com/ocornut/imgui/tree/master/misc/freetype +// Original code by @Vuhdo (Aleksei Skriabin), maintained by @ocornut + +#pragma once + +#include "imgui.h" // IMGUI_API, ImFontAtlas + +namespace ImGuiFreeType +{ + // Hinting greatly impacts visuals (and glyph sizes). + // When disabled, FreeType generates blurrier glyphs, more or less matches the stb's output. + // The Default hinting mode usually looks good, but may distort glyphs in an unusual way. + // The Light hinting mode generates fuzzier glyphs but better matches Microsoft's rasterizer. + + // You can set those flags on a per font basis in ImFontConfig::RasterizerFlags. + // Use the 'extra_flags' parameter of BuildFontAtlas() to force a flag on all your fonts. + enum RasterizerFlags + { + // By default, hinting is enabled and the font's native hinter is preferred over the auto-hinter. + NoHinting = 1 << 0, // Disable hinting. This generally generates 'blurrier' bitmap glyphs when the glyph are rendered in any of the anti-aliased modes. + NoAutoHint = 1 << 1, // Disable auto-hinter. + ForceAutoHint = 1 << 2, // Indicates that the auto-hinter is preferred over the font's native hinter. + LightHinting = 1 << 3, // A lighter hinting algorithm for gray-level modes. Many generated glyphs are fuzzier but better resemble their original shape. This is achieved by snapping glyphs to the pixel grid only vertically (Y-axis), as is done by Microsoft's ClearType and Adobe's proprietary font renderer. This preserves inter-glyph spacing in horizontal text. + MonoHinting = 1 << 4, // Strong hinting algorithm that should only be used for monochrome output. + Bold = 1 << 5, // Styling: Should we artificially embolden the font? + Oblique = 1 << 6, // Styling: Should we slant the font, emulating italic style? + Monochrome = 1 << 7 // Disable anti-aliasing. Combine this with MonoHinting for best results! + }; + + IMGUI_API bool BuildFontAtlas(ImFontAtlas* atlas, unsigned int extra_flags = 0); + + // By default ImGuiFreeType will use IM_ALLOC()/IM_FREE(). + // However, as FreeType does lots of allocations we provide a way for the user to redirect it to a separate memory heap if desired: + IMGUI_API void SetAllocatorFunctions(void* (*alloc_func)(size_t sz, void* user_data), void (*free_func)(void* ptr, void* user_data), void* user_data = NULL); +} diff --git a/imgui-submodule/imgui/misc/natvis/README.txt b/imgui-submodule/imgui/misc/natvis/README.txt new file mode 100644 index 0000000..1219db4 --- /dev/null +++ b/imgui-submodule/imgui/misc/natvis/README.txt @@ -0,0 +1,4 @@ + +Natvis file to describe dear imgui types in the Visual Studio debugger. +With this, types like ImVector<> will be displayed nicely in the debugger. +You can include this file a Visual Studio project file, or install it in Visual Studio folder. diff --git a/imgui-submodule/imgui/misc/natvis/imgui.natvis b/imgui-submodule/imgui/misc/natvis/imgui.natvis new file mode 100644 index 0000000..001c9bc --- /dev/null +++ b/imgui-submodule/imgui/misc/natvis/imgui.natvis @@ -0,0 +1,39 @@ + + + + + + + + {{Size={Size} Capacity={Capacity}}} + + + Size + Data + + + + + + {{x={x,g} y={y,g}}} + + + + {{x={x,g} y={y,g} z={z,g} w={w,g}}} + + + + {{Min=({Min.x,g} {Min.y,g}) Max=({Max.x,g} {Max.y,g}) Size=({Max.x-Min.x,g} {Max.y-Min.y,g})}} + + Min + Max + Max.x - Min.x + Max.y - Min.y + + + + + {{Name {Name,s} Active {(Active||WasActive)?1:0,d} Child {(Flags & 0x01000000)?1:0,d} Popup {(Flags & 0x04000000)?1:0,d} Hidden {(Hidden)?1:0,d}} + + + \ No newline at end of file diff --git a/imgui-submodule/imgui/misc/single_file/imgui_single_file.h b/imgui-submodule/imgui/misc/single_file/imgui_single_file.h new file mode 100644 index 0000000..a556931 --- /dev/null +++ b/imgui-submodule/imgui/misc/single_file/imgui_single_file.h @@ -0,0 +1,17 @@ +// imgui_single_file.h +// We use this to validate compiling all *.cpp files in a same compilation unit. +// Users of that technique (also called "Unity builds") can generally provide this themselves, +// so we don't really recommend you use this in your projects. + +// Do this: +// #define IMGUI_IMPLEMENTATION +// Before you include this file in *one* C++ file to create the implementation. +// Using this in your project will leak the contents of imgui_internal.h and ImVec2 operators in this compilation unit. +#include "../../imgui.h" + +#ifdef IMGUI_IMPLEMENTATION +#include "../../imgui.cpp" +#include "../../imgui_demo.cpp" +#include "../../imgui_draw.cpp" +#include "../../imgui_widgets.cpp" +#endif diff --git a/include/opengl-playground/openglgraphics.hpp b/include/opengl-playground/openglgraphics.hpp index 84bc2a7..983f325 100644 --- a/include/opengl-playground/openglgraphics.hpp +++ b/include/opengl-playground/openglgraphics.hpp @@ -4,16 +4,21 @@ #include #include #include +#include +#include class OpenGlGraphics { public: - OpenGlGraphics(OpenGlShaderProgram &prog); + OpenGlGraphics(std::shared_ptr shader_prog); ~OpenGlGraphics(); virtual void realize() = 0; virtual void render() = 0; + void setModelMatrix(const glm::mat4 &model_matrix); + glm::mat4 getModelMatrix(); protected: - OpenGlShaderProgram shaderprog; + std::shared_ptr shaderprog; + glm::mat4 model_matrix; }; #endif // OPENGLGRAPHICS_H diff --git a/include/opengl-playground/openglshader.hpp b/include/opengl-playground/openglshader.hpp index 1b0f3e6..ed01de8 100644 --- a/include/opengl-playground/openglshader.hpp +++ b/include/opengl-playground/openglshader.hpp @@ -3,19 +3,27 @@ #include #include +#include class OpenGlShaderProgram { public: OpenGlShaderProgram(std::string vertex_file, std::string geometry_file, std::string fragment_file); ~OpenGlShaderProgram(); + void setProjectionView(const glm::mat4 &projection, const glm::mat4 &view); + glm::mat4 getProjection(); + glm::mat4 getView(); int compile(); void unload(); int use(); int getUniformLoc(const std::string &uniform); void setUniformFloat(const std::string &uniform, float value); void setUniformVec2(const std::string &uniform, float *vector); + void setUniformMat4(const std::string &uniform, const glm::mat4 &matrix); private: + glm::mat4 proj; + glm::mat4 view; + glm::mat4 proj_view; bool compiled; GLuint shader_program; std::string vertex_file; diff --git a/include/opengl-playground/sdlmainwindow.hpp b/include/opengl-playground/sdlmainwindow.hpp index a54f0b9..9a9e665 100644 --- a/include/opengl-playground/sdlmainwindow.hpp +++ b/include/opengl-playground/sdlmainwindow.hpp @@ -12,6 +12,8 @@ class SdlMainWindow : public MainWindow void show(); void swapBuffer(); void activateGlContext(); + SDL_Window *getWindow(); + SDL_GLContext getContext(); private: SDL_Window *window; SDL_GLContext context; diff --git a/include/opengl-playground/textured-rectangle.hpp b/include/opengl-playground/textured-rectangle.hpp index 44c99ca..6a2ce7a 100644 --- a/include/opengl-playground/textured-rectangle.hpp +++ b/include/opengl-playground/textured-rectangle.hpp @@ -3,11 +3,12 @@ #include #include +#include class TexturedRectangle : OpenGlGraphics { public: - TexturedRectangle(float x0, float y0, float x1, float y1, OpenGlShaderProgram &shaderprog); + TexturedRectangle(float x0, float y0, float x1, float y1, std::shared_ptr shaderprog); void realize(); void render(); void setZoom(float zoom); @@ -16,6 +17,7 @@ class TexturedRectangle : OpenGlGraphics float getOffsetX(); float getOffsetY(); private: + void calculateModelMatrix(); float pos1[2]; float pos2[2]; float x_offset; diff --git a/shaders/textured-rectangle-vertex.glsl b/shaders/textured-rectangle-vertex.glsl index 25d445b..ea3180b 100644 --- a/shaders/textured-rectangle-vertex.glsl +++ b/shaders/textured-rectangle-vertex.glsl @@ -1,11 +1,10 @@ #version 330 core layout (location = 0) in vec2 inputVertex; -uniform float zoom; -uniform vec2 pos_offset; +uniform mat4 model_matrix; +uniform mat4 projection_view_matrix; void main() { - vec2 pos2d = (inputVertex - pos_offset) * zoom; - gl_Position = vec4(pos2d.x , pos2d.y, 0.0, 1.0); + gl_Position = projection_view_matrix * model_matrix * vec4(inputVertex.x , inputVertex.y, 0.0, 1.0); } diff --git a/src/main.cpp b/src/main.cpp index 33b540c..d09d878 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -3,33 +3,31 @@ #include #include -#define WINDOW_WIDTH 800 -#define WINDOW_HEIGHT 640 +#include +#include + +#include +#include +#include + +#define WINDOW_WIDTH 1200 +#define WINDOW_HEIGHT 800 int main(int argc, char **argv) { (void)argc; (void)argv; - MainWindow *window; - GLuint triangle_vao; - GLuint triangle_vbo; + SdlMainWindow *window; SDL_Event event; bool run = true; bool got_event = false; + glm::mat4 view_matrix; + glm::mat4 projection_matrix; + bool show_demo_window = true; float nav_point[2] = {0.0f, 0.0f}; float zoom = 1.0; - float triangle_vertices[] = { -0.5f, 0.0f, - 0.0f, 0.5f, - 0.0f, 0.0f, - 0.8f, 0.0f, - 0.8f, 0.5f, - 0.5f, 0.2f, - }; - - - window = new SdlMainWindow(WINDOW_HEIGHT, WINDOW_WIDTH); window->show(); @@ -40,73 +38,73 @@ int main(int argc, char **argv) glClearColor(0.1f, 0.1f, 0.1f, 0.f); glClear(GL_COLOR_BUFFER_BIT); - glGenVertexArrays(1, &triangle_vao); - glBindVertexArray(triangle_vao); - glGenBuffers(1, &triangle_vbo); - glBindBuffer(GL_ARRAY_BUFFER, triangle_vbo); - glBufferData(GL_ARRAY_BUFFER, sizeof(triangle_vertices), triangle_vertices, GL_STATIC_DRAW); - glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 2 * sizeof(float), (void *)0); - glEnableVertexAttribArray(0); + std::shared_ptr textured_rect_prog = + std::make_shared("shaders/textured-rectangle-vertex.glsl", "", + "shaders/textured-rectangle-fragment.glsl"); - OpenGlShaderProgram prog = OpenGlShaderProgram("shaders/2d-zoom-translate-vertex.glsl", "shaders/triangle-gen-zoomed-geometry.glsl", "shaders/fixed-red-fragment.glsl"); - prog.compile(); + projection_matrix = glm::ortho(-10.0f, 10.0f, -10.0f, 10.0f, -1.0f, 1.0f); + textured_rect_prog->setProjectionView(projection_matrix, glm::mat4(1.0f)); + textured_rect_prog->compile(); - OpenGlShaderProgram textured_rect_prog = OpenGlShaderProgram("shaders/textured-rectangle-vertex.glsl", "", "shaders/textured-rectangle-fragment.glsl"); - textured_rect_prog.compile(); - - TexturedRectangle rect = TexturedRectangle(-0.1, -0.1, 0.1, 0.1, textured_rect_prog); + TexturedRectangle rect = TexturedRectangle(-1, -1, 1, 1, textured_rect_prog); rect.realize(); + // Setup Dear ImGui context + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); (void)io; + //io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls + //io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls + + // Setup Dear ImGui style + ImGui::StyleColorsDark(); + //ImGui::StyleColorsClassic(); + + // Setup Platform/Renderer bindings + ImGui_ImplSDL2_InitForOpenGL(window->getWindow(), window->getContext()); + ImGui_ImplOpenGL3_Init("#version 330"); + + while (run) { - glClear(GL_COLOR_BUFFER_BIT); - // Draw the triangles - prog.use(); - prog.setUniformFloat("zoom", zoom); - prog.setUniformVec2("center_pos", nav_point); - - glPolygonMode(GL_FRONT_AND_BACK, GL_FILL); - glBindVertexArray(triangle_vao); - glDrawArrays(GL_POINTS, 0, sizeof(triangle_vertices)/2); - - rect.setZoom(zoom); - rect.setOffset(nav_point[0], nav_point[1]); - rect.render(); - - window->swapBuffer(); - got_event = false; - - while (!got_event) { - if (SDL_WaitEvent(&event)) { - if (event.type == SDL_KEYDOWN) { - if (event.key.keysym.sym == SDLK_w) { - nav_point[1] += 0.05; - } else if (event.key.keysym.sym == SDLK_s) { - nav_point[1] -= 0.05; - } else if (event.key.keysym.sym == SDLK_a) { - nav_point[0] -= 0.05; - } else if (event.key.keysym.sym == SDLK_d) { - nav_point[0] += 0.05; - } else if (event.key.keysym.sym == SDLK_ESCAPE) { - std::cout << "Bye!" << std::endl; - run = false; - } else if (event.key.keysym.sym == SDLK_PLUS) { - zoom += 0.01f; - } else if (event.key.keysym.sym == SDLK_MINUS) { - zoom -= 0.01f; - if (zoom < 0.0f) - zoom = 0.0f; - } - got_event = true; - - } - } + SDL_Event event; + while (SDL_PollEvent(&event)) + { + ImGui_ImplSDL2_ProcessEvent(&event); + if (event.type == SDL_QUIT) + run = false; + if (event.type == SDL_WINDOWEVENT && event.window.event == SDL_WINDOWEVENT_CLOSE && event.window.windowID == SDL_GetWindowID(window->getWindow())) + run = false; } + glClear(GL_COLOR_BUFFER_BIT); + + // Start the Dear ImGui frame + ImGui_ImplOpenGL3_NewFrame(); + ImGui_ImplSDL2_NewFrame(window->getWindow()); + ImGui::NewFrame(); + + + view_matrix = glm::scale(glm::mat4(1.0f), glm::vec3(zoom, zoom, zoom)); + view_matrix = glm::translate(view_matrix, glm::vec3(-nav_point[0], -nav_point[1], 0.0f)); + + textured_rect_prog->setProjectionView(projection_matrix, view_matrix); + rect.render(); + + + ImGui::ShowDemoWindow(&show_demo_window); + ImGui::Render(); + ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData()); + + window->swapBuffer(); + } - textured_rect_prog.unload(); - prog.unload(); + ImGui_ImplOpenGL3_Shutdown(); + ImGui_ImplSDL2_Shutdown(); + ImGui::DestroyContext(); + + textured_rect_prog->unload(); delete window; } diff --git a/src/openglgraphics.cpp b/src/openglgraphics.cpp index 7127d65..b071667 100644 --- a/src/openglgraphics.cpp +++ b/src/openglgraphics.cpp @@ -2,12 +2,23 @@ -OpenGlGraphics::OpenGlGraphics(OpenGlShaderProgram &prog) : shaderprog(prog) +OpenGlGraphics::OpenGlGraphics(std::shared_ptrshader_prog) { - + this->shaderprog = shader_prog; + this->setModelMatrix(glm::mat4(1.0f)); } OpenGlGraphics::~OpenGlGraphics() { } + +void OpenGlGraphics::setModelMatrix(const glm::mat4 &model_matrix) +{ + this->model_matrix = model_matrix; +} + +glm::mat4 OpenGlGraphics::getModelMatrix() +{ + return this->model_matrix; +} diff --git a/src/openglshader.cpp b/src/openglshader.cpp index 5f1f464..6719bb3 100644 --- a/src/openglshader.cpp +++ b/src/openglshader.cpp @@ -9,11 +9,29 @@ OpenGlShaderProgram::OpenGlShaderProgram(std::string vertex_file, std::string ge this->geometry_file = geometry_file; this->fragment_file = fragment_file; this->compiled = false; + this->setProjectionView(glm::mat4(1.0f), glm::mat4(1.0f)); } OpenGlShaderProgram::~OpenGlShaderProgram() { + this->unload(); +} +void OpenGlShaderProgram::setProjectionView(const glm::mat4 &projection, const glm::mat4 &view) +{ + this->proj = projection; + this->view = view; + this->proj_view = projection * view; +} + +glm::mat4 OpenGlShaderProgram::getProjection() +{ + return this->proj; +} + +glm::mat4 OpenGlShaderProgram::getView() +{ + return this->view; } std::string load_shader_program_from_file(std::string &file_name) @@ -154,6 +172,8 @@ int OpenGlShaderProgram::use() return -1; glUseProgram(this->shader_program); + this->setUniformMat4("projection_view_matrix", this->proj_view); + return 0; } @@ -173,6 +193,14 @@ void OpenGlShaderProgram::setUniformVec2(const std::string &uniform, float *vect } } +void OpenGlShaderProgram::setUniformMat4(const std::string &uniform, const glm::mat4 &matrix) +{ + int loc = this->getUniformLoc(uniform); + if (loc >= 0) { + glUniformMatrix4fv(loc, 1, GL_FALSE, &matrix[0][0]); + } +} + int OpenGlShaderProgram::getUniformLoc(const std::string &uniform) { if (!this->compiled) diff --git a/src/sdlmainwindow.cpp b/src/sdlmainwindow.cpp index c0eb7aa..ae3587e 100644 --- a/src/sdlmainwindow.cpp +++ b/src/sdlmainwindow.cpp @@ -39,3 +39,13 @@ void SdlMainWindow::activateGlContext() else SDL_GL_MakeCurrent(this->window, this->context); } + +SDL_Window *SdlMainWindow::getWindow() +{ + return this->window; +} + +SDL_GLContext SdlMainWindow::getContext() +{ + return this->context; +} diff --git a/src/textured-rectangle.cpp b/src/textured-rectangle.cpp index d03f715..dce6464 100644 --- a/src/textured-rectangle.cpp +++ b/src/textured-rectangle.cpp @@ -1,8 +1,8 @@ #include +#include +#include - - -TexturedRectangle::TexturedRectangle(float x0, float y0, float x1, float y1, OpenGlShaderProgram &shaderprog) : +TexturedRectangle::TexturedRectangle(float x0, float y0, float x1, float y1, std::shared_ptr shaderprog) : OpenGlGraphics(shaderprog) { this->pos1[0] = x0; @@ -45,14 +45,9 @@ void TexturedRectangle::realize() void TexturedRectangle::render() { - float offset[2]; - - this->shaderprog.use(); - offset[0] = this->getOffsetX(); - offset[1] = this->getOffsetY(); - this->shaderprog.setUniformVec2("pos_offset", offset); - this->shaderprog.setUniformFloat("zoom", this->zoom); + this->shaderprog->use(); + this->shaderprog->setUniformMat4("model_matrix", this->model_matrix); glPolygonMode(GL_FRONT_AND_BACK, GL_FILL); glBindVertexArray(this->vao); glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_INT, 0); @@ -62,6 +57,7 @@ void TexturedRectangle::render() void TexturedRectangle::setZoom(float zoom) { this->zoom = zoom; + this->calculateModelMatrix(); } float TexturedRectangle::getZoom() @@ -73,6 +69,7 @@ void TexturedRectangle::setOffset(float x_off, float y_off) { this->x_offset = x_off; this->y_offset = y_off; + this->calculateModelMatrix(); } float TexturedRectangle::getOffsetX() @@ -84,3 +81,9 @@ float TexturedRectangle::getOffsetY() { return this->y_offset; } + +void TexturedRectangle::calculateModelMatrix() +{ + glm::mat4 moved_matrix = glm::translate(glm::mat4(1.0f), glm::vec3(-this->x_offset, -this->y_offset, 0.0f)); + this->model_matrix = glm::scale(moved_matrix, glm::vec3(this->zoom, this->zoom, 0.0f)); +}

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