src/java.desktop/share/classes/javax/swing/DefaultDesktopManager.java

*** 1,7 ****
  /*
!  * Copyright (c) 1997, 2014, 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) 1997, 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
*** 21,40 ****
   * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
  
- 
  package javax.swing;
  
! import com.sun.awt.AWTUtilities;
  import sun.awt.AWTAccessor;
  import sun.awt.SunToolkit;
  
- import java.awt.*;
- import java.beans.PropertyVetoException;
- 
  /** This is an implementation of the <code>DesktopManager</code>.
    * It currently implements the basic behaviors for managing
    * <code>JInternalFrame</code>s in an arbitrary parent.
    * <code>JInternalFrame</code>s that are not children of a
    * <code>JDesktop</code> will use this component
--- 21,46 ----
   * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
  
  package javax.swing;
  
! import java.awt.Color;
! import java.awt.Component;
! import java.awt.Container;
! import java.awt.Dimension;
! import java.awt.Graphics;
! import java.awt.Point;
! import java.awt.Rectangle;
! import java.awt.Toolkit;
! import java.awt.Window;
! import java.beans.PropertyVetoException;
! 
  import sun.awt.AWTAccessor;
  import sun.awt.SunToolkit;
  
  /** This is an implementation of the <code>DesktopManager</code>.
    * It currently implements the basic behaviors for managing
    * <code>JInternalFrame</code>s in an arbitrary parent.
    * <code>JInternalFrame</code>s that are not children of a
    * <code>JDesktop</code> will use this component
*** 313,323 ****
          Container parent = f.getParent();
          dragMode = DEFAULT_DRAG_MODE;
          if (p != null) {
              String mode = (String)p.getClientProperty("JDesktopPane.dragMode");
              Window window = SwingUtilities.getWindowAncestor(f);
!             if (window != null && !AWTUtilities.isWindowOpaque(window)) {
                  dragMode = DEFAULT_DRAG_MODE;
              } else if (mode != null && mode.equals("outline")) {
                  dragMode = OUTLINE_DRAG_MODE;
              } else if (mode != null && mode.equals("faster")
                      && f instanceof JInternalFrame
--- 319,329 ----
          Container parent = f.getParent();
          dragMode = DEFAULT_DRAG_MODE;
          if (p != null) {
              String mode = (String)p.getClientProperty("JDesktopPane.dragMode");
              Window window = SwingUtilities.getWindowAncestor(f);
!             if (window != null && !window.isOpaque()) {
                  dragMode = DEFAULT_DRAG_MODE;
              } else if (mode != null && mode.equals("outline")) {
                  dragMode = OUTLINE_DRAG_MODE;
              } else if (mode != null && mode.equals("faster")
                      && f instanceof JInternalFrame