[clutter] stage: Fix up a copy-and-paste train wreck

[Emmanuele Bassi <ebassi src gnome org>]

commit 720fbd3bec522f200396f206242bc76285492f15
Author: Emmanuele Bassi <ebassi linux intel com>
Date:   Mon Mar 5 17:38:27 2012 +0000

    stage: Fix up a copy-and-paste train wreck
    
    The show and hide implementation inside ClutterStage ended up being
    recursive, and the hide implementation would actually show the children
    of the stage unconditionally.
    
    Whoopsie.

 clutter/clutter-stage.c |   36 +++++++++++++++++++++++++++++-------
 1 files changed, 29 insertions(+), 7 deletions(-)
---
diff --git a/clutter/clutter-stage.c b/clutter/clutter-stage.c
index a9ab25a..123caeb 100644
--- a/clutter/clutter-stage.c
+++ b/clutter/clutter-stage.c
@@ -790,16 +790,26 @@ clutter_stage_unrealize (ClutterActor *self)
 }
 
 static void
-clutter_stage_show (ClutterActor *self)
+clutter_stage_show_all (ClutterActor *self)
 {
-  ClutterStagePrivate *priv = CLUTTER_STAGE (self)->priv;
   ClutterActorIter iter;
   ClutterActor *child;
 
+  /* we don't do a recursive show_all(), to maintain the old
+   * invariants from ClutterGroup
+   */
   clutter_actor_iter_init (&iter, self);
   while (clutter_actor_iter_next (&iter, &child))
     clutter_actor_show (child);
 
+  clutter_actor_show (self);
+}
+
+static void
+clutter_stage_show (ClutterActor *self)
+{
+  ClutterStagePrivate *priv = CLUTTER_STAGE (self)->priv;
+
   CLUTTER_ACTOR_CLASS (clutter_stage_parent_class)->show (self);
 
   /* Possibly do an allocation run so that the stage will have the
@@ -811,18 +821,28 @@ clutter_stage_show (ClutterActor *self)
 }
 
 static void
-clutter_stage_hide (ClutterActor *self)
+clutter_stage_hide_all (ClutterActor *self)
 {
-  ClutterStagePrivate *priv = CLUTTER_STAGE (self)->priv;
   ClutterActorIter iter;
   ClutterActor *child;
 
-  g_assert (priv->impl != NULL);
-  _clutter_stage_window_hide (priv->impl);
+  clutter_actor_hide (self);
 
+  /* we don't do a recursive hide_all(), to maintain the old invariants
+   * from ClutterGroup
+   */
   clutter_actor_iter_init (&iter, self);
   while (clutter_actor_iter_next (&iter, &child))
-    clutter_actor_show (child);
+    clutter_actor_hide (child);
+}
+
+static void
+clutter_stage_hide (ClutterActor *self)
+{
+  ClutterStagePrivate *priv = CLUTTER_STAGE (self)->priv;
+
+  g_assert (priv->impl != NULL);
+  _clutter_stage_window_hide (priv->impl);
 
   CLUTTER_ACTOR_CLASS (clutter_stage_parent_class)->hide (self);
 }
@@ -1844,7 +1864,9 @@ clutter_stage_class_init (ClutterStageClass *klass)
   actor_class->realize = clutter_stage_realize;
   actor_class->unrealize = clutter_stage_unrealize;
   actor_class->show = clutter_stage_show;
+  actor_class->show_all = clutter_stage_show_all;
   actor_class->hide = clutter_stage_hide;
+  actor_class->hide_all = clutter_stage_hide_all;
   actor_class->queue_relayout = clutter_stage_real_queue_relayout;
   actor_class->queue_redraw = clutter_stage_real_queue_redraw;
   actor_class->apply_transform = clutter_stage_real_apply_transform;