[anjuta] anjuta: Fix destruction of the AnjutaUI instance.

[Sebastien Granjoux <sgranjoux src gnome org>]

commit 8d9618607578834367dfdc61fd7db44e5c9ef9dc
Author: Carl-Anton Ingmarsson <ca ingmarsson gmail com>
Date:   Sun Nov 25 22:14:03 2012 +0100

    anjuta: Fix destruction of the AnjutaUI instance.
    
    AnjutaUI is a not a GtkWidget so call g_object_unref() instead of gtk_widget_destroy() on
    it. Also disconnect the signal handlers from the GdlLayoutManager when the AnjutaWindow
    is disposed so we don't get any stray signals.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=689054

 src/anjuta-window.c |   12 ++++++++++--
 1 files changed, 10 insertions(+), 2 deletions(-)
---
diff --git a/src/anjuta-window.c b/src/anjuta-window.c
index 1fb58c8..7162bac 100644
--- a/src/anjuta-window.c
+++ b/src/anjuta-window.c
@@ -546,8 +546,17 @@ anjuta_window_dispose (GObject *widget)
 		g_hash_table_destroy (win->values);
 		win->values = NULL;
 	}
-
+	if (win->ui) {
+		g_object_unref (win->ui);
+		win->ui = NULL;
+	}
 	if (win->layout_manager) {
+		/* Disconnect signal handlers so we don't get any signals after we're
+		 * disposed. */
+		g_signal_handlers_disconnect_by_func (win->layout_manager, on_layout_dirty_notify,
+		                                      win);
+		g_signal_handlers_disconnect_by_func (gdl_dock_layout_get_master (win->layout_manager),
+		                                      on_layout_locked_notify, win);
 		g_object_unref (win->layout_manager);
 		win->layout_manager = NULL;
 	}
@@ -581,7 +590,6 @@ anjuta_window_finalize (GObject *widget)
 
 	win = ANJUTA_WINDOW (widget);
 
-	gtk_widget_destroy (GTK_WIDGET (win->ui));
 	gtk_widget_destroy (GTK_WIDGET (win->preferences));
 
 	G_OBJECT_CLASS (parent_class)->finalize (widget);