src/java.desktop/share/classes/sun/swing/JLightweightFrame.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
*** 52,61 ****
--- 52,62 ----
  import javax.swing.SwingUtilities;
  
  import sun.awt.AWTAccessor;
  import sun.awt.DisplayChangedListener;
  import sun.awt.LightweightFrame;
+ import sun.awt.OverrideNativeWindowHandle;
  import sun.security.action.GetPropertyAction;
  import sun.swing.SwingUtilities2.RepaintListener;
  
  /**
   * The frame serves as a lightweight container which paints its content
*** 102,111 ****
--- 103,119 ----
          SwingAccessor.setJLightweightFrameAccessor(new SwingAccessor.JLightweightFrameAccessor() {
              @Override
              public void updateCursor(JLightweightFrame frame) {
                  frame.updateClientCursor();
              }
+ 
+             @Override
+             public void overrideNativeWindowHandle(JLightweightFrame frame, long ptr) {
+                 if (frame != null) {
+                     frame.overrideNativeWindowHandle(ptr);
+                 }
+             }
          });
          copyBufferEnabled = "true".equals(AccessController.
              doPrivileged(new GetPropertyAction("swing.jlf.copyBufferEnabled", "true")));
      }
  
*** 524,533 ****
--- 532,548 ----
          if (target != null) {
              content.setCursor(target.getCursor());
          }
      }
  
+     private void overrideNativeWindowHandle(long handle) {
+         final Object peer = AWTAccessor.getComponentAccessor().getPeer(this);
+         if (peer instanceof OverrideNativeWindowHandle) {
+             ((OverrideNativeWindowHandle) peer).overrideWindowHandle(handle);
+         }
+     }
+ 
      public <T extends DragGestureRecognizer> T createDragGestureRecognizer(
              Class<T> abstractRecognizerClass,
              DragSource ds, Component c, int srcActions,
              DragGestureListener dgl)
      {