widget: Only create a controller if we have shortcuts

No point in creating objects that just hold empty lists.

diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index b5bdd958548c61013dbec9bd00a9498f7b61c3d1..86a9b31e2ced9928bf33c7a8568751ef2d3795a0 100644 (file)
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -2459,9 +2459,12 @@ gtk_widget_init (GTypeInstance *instance, gpointer g_class)
   if (layout_manager_type != G_TYPE_INVALID)
     gtk_widget_set_layout_manager (widget, g_object_new (layout_manager_type, NULL));
 
-  controller = gtk_shortcut_controller_new_for_model (G_LIST_MODEL (GTK_WIDGET_CLASS (g_class)->priv->shortcuts));
-  gtk_event_controller_set_name (controller, "gtk-widget-class-shortcuts");
-  gtk_widget_add_controller (widget, controller);
+  if (g_list_model_get_n_items (G_LIST_MODEL (GTK_WIDGET_CLASS (g_class)->priv->shortcuts)) > 0)
+    {
+      controller = gtk_shortcut_controller_new_for_model (G_LIST_MODEL (GTK_WIDGET_CLASS (g_class)->priv->shortcuts));
+      gtk_event_controller_set_name (controller, "gtk-widget-class-shortcuts");
+      gtk_widget_add_controller (widget, controller);
+    }
 }
 
 /**