+static void
+color_modified (GtkColorButton *cb, gpointer data)
+{
+ ObjectProperty *p = data;
+ GdkRGBA rgba;
+
+ gtk_color_button_get_rgba (cb, &rgba);
+
+ if (is_child_property (p->spec))
+ {
+ GtkWidget *widget = GTK_WIDGET (p->obj);
+ GtkWidget *parent = gtk_widget_get_parent (widget);
+
+ gtk_container_child_set (GTK_CONTAINER (parent),
+ widget, p->spec->name, &rgba, NULL);
+ }
+ else
+ g_object_set (p->obj, p->spec->name, &rgba, NULL);
+}
+
+static void
+color_changed (GObject *object, GParamSpec *pspec, gpointer data)
+{
+ GtkColorButton *cb = GTK_COLOR_BUTTON (data);
+ GValue val = { 0, };
+ GdkRGBA *color;
+ GdkRGBA cb_color;
+
+ g_value_init (&val, GDK_TYPE_RGBA);
+ get_property_value (object, pspec, &val);
+
+ color = g_value_get_boxed (&val);
+ gtk_color_button_get_rgba (cb, &cb_color);
+
+ if (color != NULL && !gdk_rgba_equal (color, &cb_color))
+ {
+ block_controller (G_OBJECT (cb));
+ gtk_color_button_set_rgba (cb, color);
+ unblock_controller (G_OBJECT (cb));
+ }
+
+ g_value_unset (&val);
+}
+