Add automatic version numbering to command line and GUI

CMakeLists.txt

@@ -8,6 +8,7 @@ pkg_check_modules(CAIRO REQUIRED cairo)
 
 add_subdirectory(glade)
 add_subdirectory(doxygen)
+add_subdirectory(version)
 
 include_directories(${GLIB_INCLUDE_DIRS} ${GTK3_INCLUDE_DIRS} ${CAIRO_INCLUDE_DIRS})
 link_directories(${GLIB_LINK_DIRS} ${GTK3_LINK_DIRS} ${CAIRO_LINK_DIRS})
@@ -35,7 +36,8 @@ add_compile_options(-Wall)
 
 add_executable(${PROJECT_NAME} ${SOURCE} ${CMAKE_CURRENT_BINARY_DIR}/glade/resources.c)
 add_dependencies(${PROJECT_NAME} glib-resources)
+add_dependencies(${PROJECT_NAME} version)
 SET_SOURCE_FILES_PROPERTIES(${CMAKE_CURRENT_BINARY_DIR}/glade/resources.c PROPERTIES GENERATED 1)
-target_link_libraries(${PROJECT_NAME} ${GLIB_LDFLAGS} ${GTK3_LDFLAGS} ${CAIRO_LDFLAGS} m ${CMAKE_DL_LIBS})
+target_link_libraries(${PROJECT_NAME} ${GLIB_LDFLAGS} ${GTK3_LDFLAGS} ${CAIRO_LDFLAGS} m version ${CMAKE_DL_LIBS})
 install (TARGETS ${PROJECT_NAME} DESTINATION bin)
 

glade/main.glade

@@ -7,12 +7,11 @@
     <property name="can_focus">False</property>
     <property name="icon_name">gds-render</property>
     <child type="titlebar">
-      <object class="GtkHeaderBar">
+      <object class="GtkHeaderBar" id="header-bar">
         <property name="name">header</property>
         <property name="visible">True</property>
         <property name="can_focus">False</property>
         <property name="title" translatable="yes">GDS Renderer</property>
-        <property name="subtitle" translatable="yes">GDSII to PDF/TikZ Converter</property>
         <property name="show_close_button">True</property>
         <child>
           <object class="GtkButton" id="button-load-gds">

main-window.c

@@ -37,6 +37,7 @@
 #include "widgets/conv-settings-dialog.h"
 #include "cairo-output/cairo-output.h"
 #include "trigonometric/cell-trigonometrics.h"
+#include "version/version.h"
 
 /**
  * @brief User data supplied to callback function of the open button
@@ -354,6 +355,7 @@ GtkWindow *create_main_window()
 	GtkWidget *listbox;
 	GtkWidget *conv_button;
 	GtkWidget *search_entry;
+	GtkHeaderBar *header_bar;
 	static GList *gds_libs;
 	static struct open_button_data open_data;
 	static struct convert_button_data conv_data;
@@ -397,6 +399,10 @@ GtkWindow *create_main_window()
 	g_signal_connect(G_OBJECT(gtk_tree_view_get_selection(cell_tree)), "changed",
 			 G_CALLBACK(cell_selection_changed), conv_button);
 
+	/* Set version in main window subtitle */
+	header_bar = GTK_HEADER_BAR(gtk_builder_get_object(main_builder, "header-bar"));
+	gtk_header_bar_set_subtitle(header_bar, _app_version_string);
+
 	g_object_unref(main_builder);
 
 	return (conv_data.main_window);

main.c

@@ -23,6 +23,7 @@
 #include "main-window.h"
 #include "command-line.h"
 #include "external-renderer.h"
+#include "version/version.h"
 
 struct application_data {
 	GtkApplication *app;
@@ -106,6 +107,12 @@ static int start_gui(int argc, char **argv)
 	return app_status;
 }
 
+static void print_version()
+{
+	printf("This is gds-render, version: %s\n\nFor a list of supported commands execute with --help option.\n",
+		_app_version_string);
+}
+
 int main(int argc, char **argv)
 {
 	GError *error = NULL;
@@ -114,12 +121,14 @@ int main(int argc, char **argv)
 	gchar *basename;
 	gchar *pdfname = NULL, *texname = NULL, *mappingname = NULL, *cellname = NULL, *svgname = NULL;
 	gboolean tikz = FALSE, pdf = FALSE, pdf_layers = FALSE, pdf_standalone = FALSE, svg = FALSE;
+	gboolean version = FALSE;
 	gchar *custom_library_path = NULL;
 	gchar *custom_library_file_name = NULL;
 	int scale = 1000;
-	int app_status;
+	int app_status = 0;
 
 	GOptionEntry entries[] = {
+	  {"version", 'v', 0, G_OPTION_ARG_NONE, &version, "Print version", NULL},
 	  {"tikz", 't', 0, G_OPTION_ARG_NONE, &tikz, "Output TikZ code", NULL },
 	  {"pdf", 'p', 0, G_OPTION_ARG_NONE, &pdf, "Output PDF document", NULL },
 	  //{"svg", 'S', 0, G_OPTION_ARG_NONE, &svg, "Output SVG image", NULL },
@@ -145,6 +154,11 @@ int main(int argc, char **argv)
 		exit(1);
 	}
 
+	if (version) {
+		print_version();
+		goto ret_status;	
+	}
+
 	if (argc >= 2) {
 		if (scale < 1) {
 			printf("Scale < 1 not allowed. Setting to 1\n");
@@ -188,5 +202,6 @@ int main(int argc, char **argv)
 		app_status = start_gui(argc, argv);
 	}
 
+ret_status:
 	return app_status;
 }

version/CMakeLists.txt

@@ -0,0 +1,5 @@
+add_library(version STATIC "version.c")
+execute_process(COMMAND bash ./generate-version-string.sh
+		WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}		
+		OUTPUT_VARIABLE GIT_VER)
+target_compile_definitions(version PUBLIC PROJECT_GIT_VERSION=${GIT_VER})

version/generate-version-string.sh

@@ -0,0 +1 @@
+git describe --tags

version/version.c

@@ -0,0 +1,34 @@
+/*
+ * GDSII-Converter
+ * Copyright (C) 2018  Mario Hüttel <mario.huettel@gmx.net>
+ *
+ * This file is part of GDSII-Converter.
+ *
+ * GDSII-Converter is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * GDSII-Converter is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GDSII-Converter.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/**
+ * @addtogroup MainApplication
+ * @{
+ */
+
+#ifdef PROJECT_GIT_VERSION
+
+#define xstr(a) str(a)
+#define str(a) #a
+const char *_app_version_string = xstr(PROJECT_GIT_VERSION);
+#else
+const char *_app_version_string = "! version not set !";
+#endif
+
+/** @} */

version/version.h

@@ -0,0 +1,28 @@
+/*
+ * GDSII-Converter
+ * Copyright (C) 2018  Mario Hüttel <mario.huettel@gmx.net>
+ *
+ * This file is part of GDSII-Converter.
+ *
+ * GDSII-Converter is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * GDSII-Converter is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GDSII-Converter.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/**
+ * @addtogroup MainApplication
+ * @{
+ */
+
+/** @brief This string holds the 'git describe' version of the app */
+extern char *_app_version_string;
+
+/** @} */