[glide] glide-slide-button: Only queue redraws on undo manager position change when slide for button is sele

[Robert Carr <racarr src gnome org>]

commit dff22c9b5b3d9a03df0e5096a6127d484f4de9cc
Author: Robert Carr <racarr Valentine localdomain>
Date:   Mon May 24 18:18:29 2010 -0400

    glide-slide-button: Only queue redraws on undo manager position change when slide for button is selected

 libglide/glide-slide-button.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/libglide/glide-slide-button.c b/libglide/glide-slide-button.c
index 602cfcd..54d1f98 100644
--- a/libglide/glide-slide-button.c
+++ b/libglide/glide-slide-button.c
@@ -42,7 +42,8 @@ glide_slide_button_undo_position_changed (GlideUndoManager *manager,
 {
   GlideSlideButton *b = (GlideSlideButton *)user_data;
   
-  gtk_widget_queue_draw (GTK_WIDGET (b));
+  if (CLUTTER_ACTOR_IS_VISIBLE (b->priv->slide))
+    gtk_widget_queue_draw (GTK_WIDGET (b));
 }
 
 static gboolean