[gtk+] Improve GtkColorButton behaviour

[Matthias Clasen <matthiasc src gnome org>]

commit 276dae8ae6a024259b32fc28bf72e9dbb08fe963
Author: Hiroyuki Ito <ZXB01226 nifty com>
Date:   Wed May 16 23:45:48 2012 -0400

    Improve GtkColorButton behaviour
    
    Select the current color of a GtkColorButton should be selected in the
    GtkColoroChooserDialog which is shown when the color button is clicked.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=676198

 gtk/gtkcolorbutton.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkcolorbutton.c b/gtk/gtkcolorbutton.c
index 7ad5cd5..c9056b5 100644
--- a/gtk/gtkcolorbutton.c
+++ b/gtk/gtkcolorbutton.c
@@ -619,6 +619,9 @@ gtk_color_button_clicked (GtkButton *b)
   gtk_color_chooser_set_use_alpha (GTK_COLOR_CHOOSER (button->priv->cs_dialog),
                                    button->priv->use_alpha);
 
+  gtk_color_chooser_set_rgba (GTK_COLOR_CHOOSER (button->priv->cs_dialog),
+                              &button->priv->rgba);
+
   gtk_window_present (GTK_WINDOW (button->priv->cs_dialog));
 }