class-group: add WnckScreen to private struct

libwnck/class-group.c

@@ -50,6 +50,8 @@
 
 /* Private part of the WnckClassGroup structure */
 struct _WnckClassGroupPrivate {
+  WnckScreen *screen;
+
   char *res_class;
   char *name;
   GList *windows;
@@ -220,6 +222,7 @@ wnck_class_group_get (const char *id)
 
 /**
  * _wnck_class_group_create:
+ * @screen: a #WnckScreen.
  * @res_class: name of the resource class for the group.
  *
  * Creates a new WnckClassGroup with the specified resource class name.  If
@@ -230,7 +233,8 @@ wnck_class_group_get (const char *id)
  * matches the @res_class.
  **/
 WnckClassGroup *
-_wnck_class_group_create (const char *res_class)
+_wnck_class_group_create (WnckScreen *screen,
+                          const char *res_class)
 {
   WnckClassGroup *class_group;
 
@@ -242,6 +246,7 @@ _wnck_class_group_create (const char *res_class)
 			NULL);
 
   class_group = g_object_new (WNCK_TYPE_CLASS_GROUP, NULL);
+  class_group->priv->screen = screen;
 
   class_group->priv->res_class = g_strdup (res_class ? res_class : "");
 

libwnck/private.h

@@ -95,8 +95,9 @@ void             _wnck_application_destroy (WnckApplication *app);
 void             _wnck_application_load_icons (WnckApplication *app);
 void             _wnck_application_shutdown_all (void);
 
+WnckClassGroup  *_wnck_class_group_create        (WnckScreen     *screen,
+                                                  const char     *res_class);
 
-WnckClassGroup*  _wnck_class_group_create        (const char     *res_class);
 void             _wnck_class_group_destroy       (WnckClassGroup *class_group);
 void             _wnck_class_group_add_window    (WnckClassGroup *class_group,
                                                   WnckWindow     *window);

libwnck/screen.c

@@ -1493,7 +1493,7 @@ update_client_list (WnckScreen *screen)
 	  class_group = wnck_class_group_get (res_class);
 	  if (class_group == NULL)
 	    {
-	      class_group = _wnck_class_group_create (res_class);
+	      class_group = _wnck_class_group_create (screen, res_class);
 	      created_class_groups = g_list_prepend (created_class_groups, class_group);
 	    }