Clean up the code of many examples in minor ways, fix some memory leaks, and avoid the use of dialogs where a regular toplevel works just as well.
		
			
				
	
	
		
			125 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			125 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* Builder
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 *
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 * Demonstrates an interface loaded from a XML description.
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 */
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#include <gtk/gtk.h>
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static void
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quit_activate (GSimpleAction *action,
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               GVariant      *parameter,
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               gpointer       user_data)
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{
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  GtkWidget *window = user_data;
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  gtk_widget_destroy (window);
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}
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static void
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about_activate (GSimpleAction *action,
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                GVariant      *parameter,
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                gpointer       user_data)
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{
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  GtkWidget *window = user_data;
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  GtkBuilder *builder;
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  GtkWidget *about_dlg;
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  builder = g_object_get_data (G_OBJECT (window), "builder");
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  about_dlg = GTK_WIDGET (gtk_builder_get_object (builder, "aboutdialog1"));
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  gtk_dialog_run (GTK_DIALOG (about_dlg));
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  gtk_widget_hide (about_dlg);
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}
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static void
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help_activate (GSimpleAction *action,
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               GVariant      *parameter,
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               gpointer       user_data)
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{
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  g_print ("Help not available\n");
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}
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static GActionEntry win_entries[] = {
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  { "quit", quit_activate, NULL, NULL, NULL },
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  { "about", about_activate, NULL, NULL, NULL },
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  { "help", help_activate, NULL, NULL, NULL }
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};
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GtkWidget *
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do_builder (GtkWidget *do_widget)
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{
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  static GtkWidget *window = NULL;
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  GtkWidget *toolbar;
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  GActionGroup *actions;
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  GtkAccelGroup *accel_group;
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  GtkWidget *item;
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  if (!window)
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    {
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      GtkBuilder *builder;
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      builder = gtk_builder_new_from_resource ("/builder/demo.ui");
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      gtk_builder_connect_signals (builder, NULL);
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      window = GTK_WIDGET (gtk_builder_get_object (builder, "window1"));
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      gtk_window_set_screen (GTK_WINDOW (window),
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                             gtk_widget_get_screen (do_widget));
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      g_signal_connect (window, "destroy",
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                        G_CALLBACK (gtk_widget_destroyed), &window);
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      toolbar = GTK_WIDGET (gtk_builder_get_object (builder, "toolbar1"));
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      gtk_style_context_add_class (gtk_widget_get_style_context (toolbar),
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                                   "primary-toolbar");
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      actions = (GActionGroup*)g_simple_action_group_new ();
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      g_action_map_add_action_entries (G_ACTION_MAP (actions),
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                                       win_entries, G_N_ELEMENTS (win_entries),
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                                       window);
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      gtk_widget_insert_action_group (window, "win", actions);
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      accel_group = gtk_accel_group_new ();
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      gtk_window_add_accel_group (GTK_WINDOW (window), accel_group);
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      item = (GtkWidget*)gtk_builder_get_object (builder, "new_item");
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      gtk_widget_add_accelerator (item, "activate", accel_group,
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                                  GDK_KEY_n, GDK_CONTROL_MASK, GTK_ACCEL_VISIBLE);
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      item = (GtkWidget*)gtk_builder_get_object (builder, "open_item");
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      gtk_widget_add_accelerator (item, "activate", accel_group,
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                                  GDK_KEY_o, GDK_CONTROL_MASK, GTK_ACCEL_VISIBLE);
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      item = (GtkWidget*)gtk_builder_get_object (builder, "save_item");
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      gtk_widget_add_accelerator (item, "activate", accel_group,
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                                  GDK_KEY_s, GDK_CONTROL_MASK, GTK_ACCEL_VISIBLE);
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      item = (GtkWidget*)gtk_builder_get_object (builder, "quit_item");
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      gtk_widget_add_accelerator (item, "activate", accel_group,
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                                  GDK_KEY_q, GDK_CONTROL_MASK, GTK_ACCEL_VISIBLE);
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      item = (GtkWidget*)gtk_builder_get_object (builder, "copy_item");
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      gtk_widget_add_accelerator (item, "activate", accel_group,
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                                  GDK_KEY_c, GDK_CONTROL_MASK, GTK_ACCEL_VISIBLE);
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      item = (GtkWidget*)gtk_builder_get_object (builder, "cut_item");
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      gtk_widget_add_accelerator (item, "activate", accel_group,
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                                  GDK_KEY_x, GDK_CONTROL_MASK, GTK_ACCEL_VISIBLE);
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      item = (GtkWidget*)gtk_builder_get_object (builder, "paste_item");
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      gtk_widget_add_accelerator (item, "activate", accel_group,
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                                  GDK_KEY_v, GDK_CONTROL_MASK, GTK_ACCEL_VISIBLE);
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      item = (GtkWidget*)gtk_builder_get_object (builder, "help_item");
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      gtk_widget_add_accelerator (item, "activate", accel_group,
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                                  GDK_KEY_F1, 0, GTK_ACCEL_VISIBLE);
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      item = (GtkWidget*)gtk_builder_get_object (builder, "about_item");
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      gtk_widget_add_accelerator (item, "activate", accel_group,
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                                  GDK_KEY_F7, 0, GTK_ACCEL_VISIBLE);
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      g_object_set_data_full (G_OBJECT(window), "builder", builder, g_object_unref);
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    }
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  if (!gtk_widget_get_visible (window))
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    gtk_widget_show_all (window);
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  else
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    gtk_widget_destroy (window);
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  return window;
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}
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