widget: Add a GtkBuildable::add_child implementation

Just call gtk_widget_set_parent in there.

diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index 33547f1a236d8b71999ae090d8138db247639658..001a190850e5d97ac9549d68f062da5b00aecacf 100644 (file)
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -12164,6 +12164,15 @@ static GQuark           quark_builder_has_focus = 0;
 static GQuark           quark_builder_atk_relations = 0;
 static GQuark            quark_builder_set_name = 0;
 
+static void
+gtk_widget_buildable_add_child (GtkBuildable  *buildable,
+                                GtkBuilder    *builder,
+                                GObject       *child,
+                                const gchar   *type)
+{
+  gtk_widget_set_parent (GTK_WIDGET (child), GTK_WIDGET (buildable));
+}
+
 static void
 gtk_widget_buildable_interface_init (GtkBuildableIface *iface)
 {
@@ -12179,6 +12188,7 @@ gtk_widget_buildable_interface_init (GtkBuildableIface *iface)
   iface->parser_finished = gtk_widget_buildable_parser_finished;
   iface->custom_tag_start = gtk_widget_buildable_custom_tag_start;
   iface->custom_finished = gtk_widget_buildable_custom_finished;
+  iface->add_child = gtk_widget_buildable_add_child;
 }
 
 static void