1 /*
   2  * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /* @test
  25    @bug 6726866
  26    @summary Repainting artifacts when resizing or dragging JInternalFrames in non-opaque toplevel
  27    @author Alexander Potochkin
  28    @run applet/manual=yesno bug6726866.html
  29 */
  30 
  31 import javax.swing.*;
  32 import java.awt.*;
  33 import java.lang.reflect.Method;
  34 
  35 public class bug6726866 extends JApplet {
  36 
  37     public void init() {
  38         JFrame frame = new JFrame("bug6726866");
  39         frame.setUndecorated(true);
  40         setWindowNonOpaque(frame);
  41 
  42         JDesktopPane desktop = new JDesktopPane();
  43         desktop.setBackground(Color.GREEN);
  44         JInternalFrame iFrame = new JInternalFrame("Test", true, true, true, true);
  45         iFrame.add(new JLabel("internal Frame"));
  46         iFrame.setBounds(10, 10, 300, 200);
  47         iFrame.setVisible(true);
  48         desktop.add(iFrame);
  49         frame.add(desktop);
  50 
  51         frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  52         frame.setSize(400, 400);
  53         frame.setVisible(true);
  54         frame.toFront();
  55     }
  56 
  57     private void setWindowNonOpaque(Window w) {
  58         try {
  59             Class<?> c = Class.forName("com.sun.awt.AWTUtilities");
  60             Method m = c.getMethod("setWindowOpaque", Window.class, boolean.class);
  61             m.invoke(null, w, false);
  62         }
  63         catch (Exception e) {
  64             e.printStackTrace();
  65         }
  66     }
  67 }