[gtk+/overlay: 11/34] overlay: do not leak the window when removing a widget

[Matthias Clasen <matthiasc src gnome org>]

commit d4bb53137d64573084b05a87e20ec4296755859b
Author: Ignacio Casal Quinteiro <icq gnome org>
Date:   Thu May 26 22:49:24 2011 +0200

    overlay: do not leak the window when removing a widget

 gtk/gtkoverlay.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkoverlay.c b/gtk/gtkoverlay.c
index 4d03b60..43f6862 100644
--- a/gtk/gtkoverlay.c
+++ b/gtk/gtkoverlay.c
@@ -465,6 +465,12 @@ gtk_overlay_remove (GtkContainer *overlay,
 
       if (child->widget == widget)
         {
+          if (child->window != NULL && child->widget != priv->main_widget)
+            {
+              gdk_window_set_user_data (child->window, NULL);
+              gdk_window_destroy (child->window);
+            }
+
           gtk_widget_unparent (widget);
 
           priv->children = g_slist_delete_link (priv->children,