[gnome-initial-setup] cc-notebook: Make sure to clean up if the widget gets destroyed

[Jasper St. Pierre <jstpierre src gnome org>]

commit 88ef20c84e3bab0262b1ddbcf8f342880ac716e3
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Tue Aug 21 15:05:02 2012 -0400

    cc-notebook: Make sure to clean up if the widget gets destroyed

 gnome-initial-setup/cc-notebook.c |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)
---
diff --git a/gnome-initial-setup/cc-notebook.c b/gnome-initial-setup/cc-notebook.c
index ac7ffd8..8de082c 100644
--- a/gnome-initial-setup/cc-notebook.c
+++ b/gnome-initial-setup/cc-notebook.c
@@ -443,6 +443,14 @@ cc_notebook_select_page (CcNotebook *self,
 		g_warning ("Could not find widget '%p' in CcNotebook '%p'", widget, self);
 }
 
+static void
+widget_destroyed (GtkWidget *widget,
+                  gpointer   user_data)
+{
+        CcNotebook *notebook = g_object_get_data (G_OBJECT (widget), "cc-notebook");
+        cc_notebook_remove_page (notebook, widget);
+}
+
 void
 cc_notebook_add_page (CcNotebook *self,
                       GtkWidget  *widget)
@@ -460,6 +468,8 @@ cc_notebook_add_page (CcNotebook *self,
 
         embed = gtk_clutter_actor_new_with_contents (widget);
         g_object_set_data (G_OBJECT (widget), "cc-notebook-frame", frame);
+        g_object_set_data (G_OBJECT (widget), "cc-notebook", self);
+        g_signal_connect (widget, "destroy", G_CALLBACK (widget_destroyed), NULL);
         clutter_actor_add_child (frame, embed);
         gtk_widget_show (widget);