[devhelp/gnome-3-8] window: disconnect signals when the object gets disposed

[Aleksander Morgado <aleksm src gnome org>]

commit 5f1df29ddff0b5000c75f264ebd7d39d7d28a9ee
Author: Aleksander Morgado <aleksander lanedo com>
Date:   Mon Apr 8 15:27:31 2013 +0200

    window: disconnect signals when the object gets disposed
    
    Fixes part of https://bugzilla.gnome.org/show_bug.cgi?id=697541

 src/dh-window.c |   16 ++++++++++++----
 1 files changed, 12 insertions(+), 4 deletions(-)
---
diff --git a/src/dh-window.c b/src/dh-window.c
index e5cb836..db44750 100644
--- a/src/dh-window.c
+++ b/src/dh-window.c
@@ -60,6 +60,7 @@ struct _DhWindowPriv {
         DhLink         *selected_search_link;
         guint           find_source_id;
         DhSettings     *settings;
+        guint           fonts_changed_id;
 };
 
 enum {
@@ -533,10 +534,10 @@ dh_window_init (DhWindow *window)
 
         /* handle settings */
         priv->settings = dh_settings_get ();
-        g_signal_connect (priv->settings,
-                          "fonts-changed",
-                          G_CALLBACK (settings_fonts_changed_cb),
-                          window);
+        priv->fonts_changed_id = g_signal_connect (priv->settings,
+                                                   "fonts-changed",
+                                                   G_CALLBACK (settings_fonts_changed_cb),
+                                                   window);
 
         /* Setup builder */
         priv->builder = gtk_builder_new ();
@@ -577,6 +578,13 @@ static void
 dispose (GObject *object)
 {
        DhWindow *self = DH_WINDOW (object);
+
+        if (self->priv->fonts_changed_id) {
+                if (self->priv->settings && g_signal_handler_is_connected (self->priv->settings, 
self->priv->fonts_changed_id))
+                        g_signal_handler_disconnect (self->priv->settings, self->priv->fonts_changed_id);
+                self->priv->fonts_changed_id = 0;
+        }
+
         g_clear_object (&self->priv->settings);
         g_clear_object (&self->priv->builder);