[libgd] GdStack: Avoid queue_resize in some cases

[Alexander Larsson <alexl src gnome org>]

commit 20a4046331161a6c02516e9a6bb902ce83af0308
Author: Alexander Larsson <alexl redhat com>
Date:   Fri Feb 15 13:45:14 2013 +0100

    GdStack: Avoid queue_resize in some cases

 libgd/gd-stack.c |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)
---
diff --git a/libgd/gd-stack.c b/libgd/gd-stack.c
index 9206cc5..f533058 100644
--- a/libgd/gd-stack.c
+++ b/libgd/gd-stack.c
@@ -488,7 +488,10 @@ set_visible_child (GdStack *stack,
 
   priv->xfade_surface = surface;
 
-  gtk_widget_queue_resize (GTK_WIDGET (stack));
+  if (priv->homogeneous)
+    gtk_widget_queue_draw (GTK_WIDGET (stack));
+  else
+    gtk_widget_queue_resize (GTK_WIDGET (stack));
 
   g_object_notify (G_OBJECT (stack), "visible-child");
   g_object_notify (G_OBJECT (stack), "visible-child-name");
@@ -603,7 +606,8 @@ gd_stack_set_homogeneous (GdStack *stack,
 
   priv->homogeneous = homogeneous;
 
-  gtk_widget_queue_resize (GTK_WIDGET (stack));
+  if (gtk_widget_get_visible (GTK_WIDGET(stack)))
+    gtk_widget_queue_resize (GTK_WIDGET (stack));
 
   g_object_notify (G_OBJECT (stack), "homogeneous");
 }