src/java.desktop/macosx/classes/sun/lwawt/LWLightweightFramePeer.java

*** 1,7 ****
  /*
!  * Copyright (c) 2013, 2016, 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
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
--- 1,7 ----
  /*
!  * Copyright (c) 2013, 2017, 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
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
*** 32,45 ****
  import java.awt.Window;
  import java.awt.dnd.DropTarget;
  import java.awt.event.FocusEvent;
  
  import sun.awt.LightweightFrame;
  import sun.swing.JLightweightFrame;
  import sun.swing.SwingAccessor;
  
! public class LWLightweightFramePeer extends LWWindowPeer {
  
      public LWLightweightFramePeer(LightweightFrame target,
                                    PlatformComponent platformComponent,
                                    PlatformWindow platformWindow)
      {
--- 32,46 ----
  import java.awt.Window;
  import java.awt.dnd.DropTarget;
  import java.awt.event.FocusEvent;
  
  import sun.awt.LightweightFrame;
+ import sun.awt.OverrideNativeWindowHandle;
  import sun.swing.JLightweightFrame;
  import sun.swing.SwingAccessor;
  
! public class LWLightweightFramePeer extends LWWindowPeer implements OverrideNativeWindowHandle {
  
      public LWLightweightFramePeer(LightweightFrame target,
                                    PlatformComponent platformComponent,
                                    PlatformWindow platformWindow)
      {
*** 114,119 ****
--- 115,131 ----
  
      @Override
      public void updateCursorImmediately() {
          SwingAccessor.getJLightweightFrameAccessor().updateCursor((JLightweightFrame)getLwTarget());
      }
+ 
+     private long overriddenWindowHandle = 0L;
+ 
+     @Override
+     public void overrideWindowHandle(final long handle) {
+         this.overriddenWindowHandle = handle;
+     }
+ 
+     public long getOverriddenWindowHandle() {
+         return overriddenWindowHandle;
+     }
  }