[mutter] Update window->visible_to_compositor before calling into compositor

[Owen Taylor <otaylor src gnome org>]

commit 0a821d23417898efc8554195f445e5349be50549
Author: Owen W. Taylor <otaylor fishsoup net>
Date:   Tue Jan 4 11:43:02 2011 -0500

    Update window->visible_to_compositor before calling into compositor
    
    To deal with reentrancy from compositor plugins doing things like
    moving windows between workspaces in an effect callback, update
    the visible_to_compositor flag before calling into the compositor.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=613124

 src/core/window.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/src/core/window.c b/src/core/window.c
index 3e5c754..afd721d 100644
--- a/src/core/window.c
+++ b/src/core/window.c
@@ -2678,6 +2678,8 @@ meta_window_show (MetaWindow *window)
 
   if (!window->visible_to_compositor)
     {
+      window->visible_to_compositor = TRUE;
+
       if (window->display->compositor)
         {
           MetaCompEffect effect = META_COMP_EFFECT_NONE;
@@ -2697,8 +2699,6 @@ meta_window_show (MetaWindow *window)
           meta_compositor_show_window (window->display->compositor,
                                        window, effect);
         }
-
-      window->visible_to_compositor = TRUE;
     }
 
   /* We don't want to worry about all cases from inside
@@ -2769,6 +2769,8 @@ meta_window_hide (MetaWindow *window)
 
   if (window->visible_to_compositor)
     {
+      window->visible_to_compositor = FALSE;
+
       if (window->display->compositor)
         {
           MetaCompEffect effect = META_COMP_EFFECT_NONE;
@@ -2788,8 +2790,6 @@ meta_window_hide (MetaWindow *window)
           meta_compositor_hide_window (window->display->compositor,
                                        window, effect);
         }
-
-      window->visible_to_compositor = FALSE;
     }
 
   did_hide = FALSE;