[gnome-builder/editor-layout] tabs: disconnect close signal when removing tab.

[Christian Hergert <chergert src gnome org>]

commit 76195703c4f8a33731876f45ca311e4e87d07325
Author: Christian Hergert <christian hergert me>
Date:   Mon Dec 1 03:37:04 2014 -0800

    tabs: disconnect close signal when removing tab.

 src/tabs/gb-tab-stack.c |   30 ++++++++++++++++++++----------
 1 files changed, 20 insertions(+), 10 deletions(-)
---
diff --git a/src/tabs/gb-tab-stack.c b/src/tabs/gb-tab-stack.c
index aafae22..ebbe484 100644
--- a/src/tabs/gb-tab-stack.c
+++ b/src/tabs/gb-tab-stack.c
@@ -42,6 +42,9 @@ enum {
   LAST_SIGNAL
 };
 
+static void gb_tab_stack_tab_closed (GbTabStack *stack,
+                                     GbTab      *tab);
+
 static guint gSignals [LAST_SIGNAL];
 
 GtkWidget *
@@ -50,6 +53,16 @@ gb_tab_stack_new (void)
   return g_object_new (GB_TYPE_TAB_STACK, NULL);
 }
 
+static gboolean
+gb_tab_stack_queue_draw (gpointer data)
+{
+  g_return_val_if_fail (GTK_IS_WIDGET (data), FALSE);
+
+  gtk_widget_queue_draw (GTK_WIDGET (data));
+
+  return G_SOURCE_REMOVE;
+}
+
 guint
 gb_tab_stack_get_n_tabs (GbTabStack *stack)
 {
@@ -176,6 +189,13 @@ gb_tab_stack_remove_tab (GbTabStack *stack,
 
   if (gb_tab_stack_get_tab_iter (stack, tab, &iter))
     {
+      g_signal_handlers_disconnect_by_func (tab,
+                                            gb_tab_stack_tab_closed,
+                                            stack);
+      g_signal_handlers_disconnect_by_func (tab,
+                                            gb_tab_stack_queue_draw,
+                                            stack);
+
       gtk_container_remove (GTK_CONTAINER (stack->priv->controls),
                             gb_tab_get_controls (tab));
       gtk_container_remove (GTK_CONTAINER (stack->priv->stack),
@@ -341,16 +361,6 @@ gb_tab_stack_combobox_changed (GbTabStack  *stack,
     }
 }
 
-static gboolean
-gb_tab_stack_queue_draw (gpointer data)
-{
-  g_return_val_if_fail (GTK_IS_WIDGET (data), FALSE);
-
-  gtk_widget_queue_draw (GTK_WIDGET (data));
-
-  return G_SOURCE_REMOVE;
-}
-
 GbTab *
 gb_tab_stack_get_active (GbTabStack *stack)
 {