C++ (Cpp) show_image_change_notifyの例

コード例 #1

ファイル: gtkimagemenuitem.c プロジェクト: fluendo/gtk

static void
gtk_image_menu_item_screen_changed (GtkWidget *widget,
				    GdkScreen *previous_screen)
{
  GtkSettings *settings;
  guint show_image_connection;

  if (!gtk_widget_has_screen (widget))
    return;

  settings = gtk_widget_get_settings (widget);
  
  show_image_connection = 
    GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (settings), 
					 "gtk-image-menu-item-connection"));
  
  if (show_image_connection)
    return;

  show_image_connection =
    g_signal_connect (settings, "notify::gtk-menu-images",
		      G_CALLBACK (gtk_image_menu_item_setting_changed), NULL);
  g_object_set_data (G_OBJECT (settings), 
		     I_("gtk-image-menu-item-connection"),
		     GUINT_TO_POINTER (show_image_connection));

  show_image_change_notify (GTK_IMAGE_MENU_ITEM (widget));
}

コード例 #2

ファイル: gtkimagemenuitem.c プロジェクト: raja651/gtk

static void
traverse_container (GtkWidget *widget,
                    gpointer   data)
{
    if (GTK_IS_IMAGE_MENU_ITEM (widget))
        show_image_change_notify (GTK_IMAGE_MENU_ITEM (widget));
    else if (GTK_IS_CONTAINER (widget))
        gtk_container_forall (GTK_CONTAINER (widget), traverse_container, NULL);
}

コード例 #3

ファイル: gtkimagemenuitem.c プロジェクト: raja651/gtk

static void
gtk_image_menu_item_screen_changed (GtkWidget *widget,
                                    GdkScreen *previous_screen)
{
    GtkSettings *settings;
    gulong show_image_connection;

    if (!gtk_widget_has_screen (widget))
        return;

    settings = gtk_widget_get_settings (widget);

    show_image_connection =
        g_signal_handler_find (settings, G_SIGNAL_MATCH_FUNC, 0, 0,
                               NULL, gtk_image_menu_item_setting_changed, NULL);

    if (show_image_connection)
        return;

    g_signal_connect (settings, "notify::gtk-menu-images",
                      G_CALLBACK (gtk_image_menu_item_setting_changed), NULL);

    show_image_change_notify (GTK_IMAGE_MENU_ITEM (widget));
}