[gtk+] Fix a thinko in the last color button change

[Matthias Clasen <matthiasc src gnome org>]

commit a41e2b901dd19a95fa0850f6b95ed093f5788344
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri May 2 21:09:05 2014 -0400

    Fix a thinko in the last color button change
    
    Using the interface method in the set_property implementation
    leads to an infinite recursion, if the interface method is in
    turn using g_object_set.

 gtk/gtkcolorbutton.c |   12 ++++++++----
 1 files changed, 8 insertions(+), 4 deletions(-)
---
diff --git a/gtk/gtkcolorbutton.c b/gtk/gtkcolorbutton.c
index 76d3f61..776c8ea 100644
--- a/gtk/gtkcolorbutton.c
+++ b/gtk/gtkcolorbutton.c
@@ -919,7 +919,7 @@ gtk_color_button_get_property (GObject    *object,
   switch (param_id)
     {
     case PROP_USE_ALPHA:
-      g_value_set_boolean (value, gtk_color_chooser_get_use_alpha (GTK_COLOR_CHOOSER (button)));
+      g_value_set_boolean (value, button->priv->use_alpha);
       break;
     case PROP_TITLE:
       g_value_set_string (value, gtk_color_button_get_title (button));
@@ -939,9 +939,13 @@ gtk_color_button_get_property (GObject    *object,
       }
       break;
     case PROP_ALPHA:
-G_GNUC_BEGIN_IGNORE_DEPRECATIONS
-      g_value_set_uint (value, gtk_color_button_get_alpha (button));
-G_GNUC_END_IGNORE_DEPRECATIONS
+      {
+        guint16 alpha;
+
+        alpha = (guint16) (button->priv->rgba.alpha * 65535 + 0.5);
+
+        g_value_set_uint (value, alpha);
+      }
       break;
     case PROP_RGBA:
       {