--- old/src/macosx/native/sun/awt/AWTWindow.m	2014-03-24 17:55:20.000000000 +0400
+++ new/src/macosx/native/sun/awt/AWTWindow.m	2014-03-24 17:55:20.000000000 +0400
@@ -762,6 +762,10 @@
     return lastKeyWindow;
 }
 
+- (BOOL)windowShouldZoom:(NSWindow *)window toFrame:(NSRect)newFrame {
+    return !NSEqualSizes(self.nsWindow.frame.size, newFrame.size);
+}
+
 
 @end // AWTWindow