widget: Don't notify :parent when rearranging widgets

gtk_widget_reposition_after is also valid to call if the widget already
has a parent, so don't notify the parent property in that case.

diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index ebf5dbf147d3bf99c4f7d32823b9f8661b5f0185..d60390665cf5b01c21b8f728b025350c72da6227 100644 (file)
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -8360,7 +8360,9 @@ gtk_widget_reposition_after (GtkWidget *widget,
 
   if (priv->parent->priv->anchored && prev_parent == NULL)
     _gtk_widget_propagate_hierarchy_changed (widget, NULL);
-  g_object_notify_by_pspec (G_OBJECT (widget), widget_props[PROP_PARENT]);
+
+  if (prev_parent == NULL)
+    g_object_notify_by_pspec (G_OBJECT (widget), widget_props[PROP_PARENT]);
 
   /* Enforce realized/mapped invariants
    */