-// disable xinput when layer combo box is popped up, to avoid GTK+ 2.17 crash
-
-gboolean combobox_popup_disable_xinput (GtkWidget *widget, GdkEvent *event,
- gpointer user_data)
-{
- gboolean is_shown;
-
- g_object_get(G_OBJECT(widget), "popup-shown", &is_shown, NULL);
- gtk_widget_set_extension_events(GTK_WIDGET (canvas),
- (ui.use_xinput && !is_shown)?GDK_EXTENSION_EVENTS_ALL:GDK_EXTENSION_EVENTS_NONE);
-}