1 /*
   2  * Copyright (c) 2012, 2017, 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 import java.awt.AlphaComposite;
  25 import java.awt.Color;
  26 import java.awt.Graphics;
  27 import java.awt.Graphics2D;
  28 import java.awt.Rectangle;
  29 import java.awt.Robot;
  30 import java.awt.Toolkit;
  31 import java.awt.Window;
  32 import java.awt.image.BufferedImage;
  33 import java.util.concurrent.Callable;
  34 
  35 import javax.swing.JFrame;
  36 import javax.swing.JMenuItem;
  37 import javax.swing.JPanel;
  38 import javax.swing.JPopupMenu;
  39 import javax.swing.SwingUtilities;
  40 
  41 import sun.awt.SunToolkit;
  42 
  43 /*
  44    @test
  45    @key headful
  46    @bug 7156657 8186617
  47    @summary Version 7 doesn't support translucent popup menus against a
  48             translucent window
  49    @library ../../regtesthelpers
  50    @modules java.desktop/sun.awt
  51 */
  52 public class bug7156657 {
  53     private static JFrame lowerFrame;
  54 
  55     private static JFrame frame;
  56 
  57     private static JPopupMenu popupMenu;
  58 
  59     public static void main(String[] args) throws Exception {
  60         final Robot robot = new Robot();
  61         final SunToolkit toolkit = ((SunToolkit) Toolkit.getDefaultToolkit());
  62 
  63         Boolean skipTest = Util.invokeOnEDT(new Callable<Boolean>() {
  64             @Override
  65             public Boolean call() throws Exception {
  66                 frame = createFrame();
  67                 if (!frame.getGraphicsConfiguration().isTranslucencyCapable()) {
  68                     System.out.println("Translucency is not supported, the test skipped");
  69 
  70                     return true;
  71                 }
  72 
  73                 lowerFrame = createFrame();
  74                 lowerFrame.getContentPane().setBackground(Color.RED);
  75                 lowerFrame.setVisible(true);
  76 
  77                 popupMenu = new JPopupMenu();
  78                 popupMenu.setOpaque(false);
  79                 popupMenu.add(new TransparentMenuItem("1111"));
  80                 popupMenu.add(new TransparentMenuItem("2222"));
  81                 popupMenu.add(new TransparentMenuItem("3333"));
  82 
  83                 setOpaque(frame, false);
  84                 JPanel pnContent = new JPanel();
  85                 pnContent.setBackground(new Color(255, 255, 255, 128));
  86                 frame.add(pnContent);
  87                 frame.setVisible(true);
  88 
  89                 return false;
  90             }
  91         });
  92 
  93         if (skipTest) {
  94             return;
  95         }
  96 
  97         toolkit.realSync();
  98 
  99         SwingUtilities.invokeAndWait(new Runnable() {
 100             @Override
 101             public void run() {
 102                 popupMenu.show(frame, 0, 0);
 103             }
 104         });
 105 
 106         toolkit.realSync();
 107 
 108         Rectangle popupRectangle = Util.invokeOnEDT(new Callable<Rectangle>() {
 109             @Override
 110             public Rectangle call() throws Exception {
 111                 return popupMenu.getBounds();
 112             }
 113         });
 114 
 115         BufferedImage redBackgroundCapture = robot.createScreenCapture(popupRectangle);
 116 
 117         SwingUtilities.invokeAndWait(new Runnable() {
 118             @Override
 119             public void run() {
 120                 lowerFrame.getContentPane().setBackground(Color.GREEN);
 121             }
 122         });
 123 
 124         toolkit.realSync();
 125 
 126         BufferedImage greenBackgroundCapture = robot.createScreenCapture(popupRectangle);
 127 
 128         if (Util.compareBufferedImages(redBackgroundCapture, greenBackgroundCapture)) {
 129             throw new RuntimeException("The test failed");
 130         }
 131 
 132         SwingUtilities.invokeAndWait(new Runnable() {
 133             @Override
 134             public void run() {
 135                 popupMenu.setVisible(false);
 136                 frame.dispose();
 137                 lowerFrame.dispose();
 138             }
 139         });
 140 
 141         System.out.println("The test passed");
 142     }
 143 
 144     public static void setOpaque(Window window, boolean opaque) {
 145         Color bg = window.getBackground();
 146         if (bg == null) {
 147             bg = new Color(0, 0, 0, 0);
 148         }
 149         window.setBackground(new Color(bg.getRed(), bg.getGreen(), bg.getBlue(),
 150                                        opaque ? 255 : 0));
 151     }
 152 
 153     private static JFrame createFrame() {
 154         JFrame result = new JFrame();
 155 
 156         result.setLocation(0, 0);
 157         result.setSize(400, 300);
 158         result.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 159         result.setUndecorated(true);
 160 
 161         return result;
 162     }
 163 
 164     private static class TransparentMenuItem extends JMenuItem {
 165         public TransparentMenuItem(String text) {
 166             super(text);
 167             setOpaque(false);
 168         }
 169 
 170         @Override
 171         public void paint(Graphics g) {
 172             Graphics2D g2 = (Graphics2D) g.create();
 173             g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.5f));
 174             super.paint(g2);
 175             g2.dispose();
 176         }
 177     }
 178 }