ColorChooser: Emit notification for editor changes

When the color editor is visible, there is no way for the
application to know about the changes that are happening.
Fix this by emitting property notification for the "rgba"
property.

http://bugzilla.gnome.org/show_bug.cgi?id=708037

diff --git a/gtk/gtkcolorchooserwidget.c b/gtk/gtkcolorchooserwidget.c
index a8fb9cf93488643f2426fa08b5bc165f7a391a5e..4c4cf739fea2ac4f7ddfe18d90bbe109c4c77651 100644 (file)
--- a/gtk/gtkcolorchooserwidget.c
+++ b/gtk/gtkcolorchooserwidget.c
@@ -269,6 +269,15 @@ gtk_color_chooser_widget_set_show_editor (GtkColorChooserWidget *cc,
   gtk_widget_set_visible (cc->priv->palette, !show_editor);
 }
 
+static void
+update_from_editor (GtkColorEditor        *editor,
+                    GParamSpec            *pspec,
+                    GtkColorChooserWidget *widget)
+{
+  if (gtk_widget_get_visible (editor))
+    g_object_notify (G_OBJECT (widget), "rgba");
+}
+
 /* UI construction {{{1 */
 
 static guint
@@ -565,6 +574,8 @@ gtk_color_chooser_widget_init (GtkColorChooserWidget *cc)
   cc->priv->editor = gtk_color_editor_new ();
   gtk_widget_set_halign (cc->priv->editor, GTK_ALIGN_CENTER);
   gtk_widget_set_hexpand (cc->priv->editor, TRUE);
+  g_signal_connect (cc->priv->editor, "notify::rgba",
+                    G_CALLBACK (update_from_editor), cc);
 
   box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
   gtk_container_add (GTK_CONTAINER (cc), box);