--- old/src/share/classes/java/awt/Window.java	2009-06-16 18:37:00.000000000 +0400
+++ new/src/share/classes/java/awt/Window.java	2009-06-16 18:36:59.000000000 +0400
@@ -316,6 +316,11 @@
      */
     private Shape shape = null;
 
+    /**
+     * Indicates if the window has been packed via pack().
+     */
+    private boolean isPacked = false;
+
     private static final String base = "win";
     private static int nameCounter = 0;
 
@@ -764,7 +769,7 @@
             setClientSize(newSize.width, newSize.height);
         }
 
-        if(beforeFirstShow) {
+        if (beforeFirstShow) {
             isPacked = true;
         }
 
@@ -866,7 +871,12 @@
                 height = minSize.height;
             }
         }
-        super.reshape(x, y, width, height);
+        synchronized (getTreeLock()) {
+            if (this.width != width || this.height != height) {
+                isPacked = false;
+            }
+            super.reshape(x, y, width, height);
+        }
     }
 
     void setClientSize(int w, int h) {
@@ -1014,7 +1024,10 @@
      * {@link #setVisible(boolean)}.
      */
     @Deprecated
+    @Override
     public void hide() {
+        isPacked = false;
+
         synchronized(ownedWindowList) {
             for (int i = 0; i < ownedWindowList.size(); i++) {
                 Window child = ownedWindowList.elementAt(i).get();
@@ -3797,6 +3810,10 @@
             {
                 return window.calculateSecurityWarningPosition(x, y, w, h);
             }
+
+            public boolean isPacked(Window window) {
+                return window.isPacked;
+            }
         }); // WindowAccessor
     } // static