[gtk+] Fixing GtkColorButton to redraw itself when gtk_color_button_set_rgba() is called.

[Tristan Van Berkom <tvb src gnome org>]

commit d799d6d4f055a743e97d2a07d91bf373c582da7a
Author: Tristan Van Berkom <tristan van berkom gmail com>
Date:   Thu Feb 3 23:02:15 2011 +0900

    Fixing GtkColorButton to redraw itself when gtk_color_button_set_rgba() is called.

 gtk/gtkcolorbutton.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkcolorbutton.c b/gtk/gtkcolorbutton.c
index 3fd11cb..6084ee7 100644
--- a/gtk/gtkcolorbutton.c
+++ b/gtk/gtkcolorbutton.c
@@ -786,6 +786,8 @@ gtk_color_button_set_rgba (GtkColorButton *color_button,
 
   color_button->priv->rgba = *rgba;
 
+  gtk_widget_queue_draw (color_button->priv->draw_area);
+
   g_object_notify (G_OBJECT (color_button), "rgba");
 }