Add application menu and about dialog

glade/about.glade

@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Generated with glade 3.22.1 -->
+<interface>
+  <requires lib="gtk+" version="3.20"/>
+  <object class="GtkAboutDialog" id="about-dialog">
+    <property name="can_focus">False</property>
+    <property name="type_hint">dialog</property>
+    <property name="program_name">GDS-Render Tool </property>
+    <property name="comments" translatable="yes">Tool for rendering GDS(II) layout files into LaTeX/TikZ code or directly into a PDF file</property>
+    <property name="website">https://git.shimatta.de/mhu/gds-render</property>
+    <property name="website_label" translatable="yes">Git Repository</property>
+    <property name="authors">Mario Hüttel &lt;mario.huettel@gmx.net&gt;</property>
+    <property name="logo_icon_name">applications-graphics</property>
+    <property name="license_type">gpl-2-0-only</property>
+    <child>
+      <placeholder/>
+    </child>
+    <child internal-child="vbox">
+      <object class="GtkBox">
+        <property name="can_focus">False</property>
+        <property name="orientation">vertical</property>
+        <property name="spacing">2</property>
+        <child internal-child="action_area">
+          <object class="GtkButtonBox">
+            <property name="can_focus">False</property>
+            <property name="layout_style">end</property>
+            <child>
+              <placeholder/>
+            </child>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">False</property>
+            <property name="position">0</property>
+          </packing>
+        </child>
+        <child>
+          <placeholder/>
+        </child>
+      </object>
+    </child>
+  </object>
+</interface>

glade/main.glade

@@ -4,7 +4,6 @@
   <requires lib="gtk+" version="3.20"/>
   <object class="GtkWindow" id="main-window">
     <property name="height_request">250</property>
-    <property name="visible">True</property>
     <property name="can_focus">False</property>
     <child type="titlebar">
       <object class="GtkHeaderBar">

glade/resources.xml

@@ -2,6 +2,7 @@
 <gresources>
   <gresource prefix="/">
     <file compressed="true">main.glade</file>
+    <file compressed="true">about.glade</file>
     <file>layer-widget.glade</file>
     <file>dialog.glade</file>
   </gresource>

main.c

@@ -21,22 +21,78 @@
 #include <gtk/gtk.h>
 #include "main-window.h"
 
+struct application_data {
+	GtkApplication *app;
+	GtkWindow *main_window;
+};
+
+
+static void app_quit(GSimpleAction *action, GVariant *parameter, gpointer user_data)
+{
+	struct application_data *appdata = (struct application_data *)user_data;
+	gtk_widget_destroy(GTK_WIDGET(appdata->main_window));
+}
+
+static void app_about(GSimpleAction *action, GVariant *parameter, gpointer user_data)
+{
+	GtkBuilder *builder;
+	GtkDialog *dialog;
+	struct application_data *appdata = (struct application_data *)user_data;
+
+	builder = gtk_builder_new_from_resource("/about.glade");
+	dialog = GTK_DIALOG(gtk_builder_get_object(builder, "about-dialog"));
+	gtk_window_set_transient_for(GTK_WINDOW(dialog), appdata->main_window);
+	gtk_dialog_run(dialog);
+
+	gtk_widget_destroy(dialog);
+	g_object_unref(builder);
+}
+
+const GActionEntry app_actions[] = {
+	{ "quit", app_quit },
+	{ "about", app_about }
+};
 
 static void gapp_activate(GApplication *app, gpointer user_data)
 {
 	GtkWindow *main_window;
+	struct application_data *appdata = (struct application_data *)user_data;
 
 	main_window = create_main_window();
+	appdata->main_window = main_window;
 	gtk_application_add_window(GTK_APPLICATION(app), main_window);
+	gtk_widget_show(GTK_WIDGET(main_window));
 }
 
 int main(int argc, char **argv)
 {
 	GtkApplication *gapp;
 	int app_status;
+	struct application_data appdata;
+	GMenu *menu;
+	GMenu *m_quit;
+	GMenu *m_about;
 
 	gapp = gtk_application_new("de.shimatta.gds-render", G_APPLICATION_FLAGS_NONE);
-	g_signal_connect (gapp, "activate", G_CALLBACK(gapp_activate), NULL);
+	g_application_register(G_APPLICATION(gapp), NULL, NULL);
+	//g_action_map_add_action_entries(G_ACTION_MAP(gapp), app_actions, G_N_ELEMENTS(app_actions), &appdata);
+	g_signal_connect (gapp, "activate", G_CALLBACK(gapp_activate), &appdata);
+
+
+
+	menu = g_menu_new();
+	m_quit = g_menu_new();
+	m_about = g_menu_new();
+	g_menu_append(m_quit, "Quit", "app.quit");
+	g_menu_append(m_about, "About", "app.about");
+	g_menu_append_section(menu, NULL, G_MENU_MODEL(m_about));
+	g_menu_append_section(menu, NULL, G_MENU_MODEL(m_quit));
+	g_action_map_add_action_entries(G_ACTION_MAP(gapp), app_actions, G_N_ELEMENTS(app_actions), &appdata);
+	gtk_application_set_app_menu(GTK_APPLICATION(gapp), G_MENU_MODEL(menu));
+
+	g_object_unref(m_quit);
+	g_object_unref(m_about);
+	g_object_unref(menu);
 
 
 	app_status = g_application_run (G_APPLICATION(gapp), argc, argv);