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widget: Only create a controller if we have shortcuts

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No point in creating objects that just hold empty lists.
This commit is contained in:
Matthias Clasen 2020-03-15 18:24:52 -04:00
parent 3cd4eb0310
commit 34987c0b5c
1 changed files with 6 additions and 3 deletions
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9
gtk/gtkwidget.c
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@ -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);
}
}
/**