--- a/jdk/src/macosx/classes/sun/lwawt/LWWindowPeer.java	Fri Jan 18 18:17:02 2013 +0400
+++ b/jdk/src/macosx/classes/sun/lwawt/LWWindowPeer.java	Fri Jan 18 18:34:46 2013 +0400
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -1208,13 +1208,19 @@
         grabbingWindow = this;
     }
 
-    void ungrab() {
+    final void ungrab(boolean doPost) {
         if (isGrabbing()) {
             grabbingWindow = null;
-            postEvent(new UngrabEvent(getTarget()));
+            if (doPost) {
+                postEvent(new UngrabEvent(getTarget()));
+            }
         }
     }
 
+    void ungrab() {
+        ungrab(true);
+    }
+
     private boolean isGrabbing() {
         return this == grabbingWindow;
     }