1 /*
   2  * Copyright (c) 2015, 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 /*
  25  * @test
  26  * @bug 8071705
  27  * @summary  Java application menu misbehaves when running multiple screen stacked vertically
  28  * @build bug8071705
  29  * @run main/othervm bug8071705
  30  */
  31 
  32 import java.awt.Dimension;
  33 import java.awt.GraphicsConfiguration;
  34 import java.awt.GraphicsDevice;
  35 import java.awt.GraphicsEnvironment;
  36 import java.awt.Point;
  37 import java.awt.Rectangle;
  38 import java.awt.Toolkit;
  39 import java.awt.event.ComponentAdapter;
  40 import java.awt.event.ComponentEvent;
  41 import java.awt.event.KeyEvent;
  42 import java.util.concurrent.CountDownLatch;
  43 
  44 import javax.swing.JFrame;
  45 import javax.swing.JMenu;
  46 import javax.swing.JMenuBar;
  47 import javax.swing.JMenuItem;
  48 import javax.swing.JPopupMenu;
  49 import javax.swing.SwingUtilities;
  50 import javax.swing.UIManager;
  51 
  52 public class bug8071705 {
  53 
  54     public static void main(String[] args) throws Exception {
  55 
  56         final CountDownLatch latch = new CountDownLatch(1);
  57         final boolean [] result = new boolean[1];
  58 
  59         SwingUtilities.invokeLater(new Runnable() {
  60             @Override
  61             public void run() {
  62                 JFrame frame = createGUI();
  63                 GraphicsDevice[] devices = checkScreens();
  64 
  65                 // check if we have more than one and if they are stacked
  66                 // vertically
  67                 GraphicsDevice device = checkConfigs(devices);
  68                 if (device == null) {
  69                     // just pass the test
  70                     frame.dispose();
  71                     result[0] = true;
  72                     latch.countDown();
  73                 } else {
  74                     FrameListener listener =
  75                             new FrameListener(device, latch, result);
  76                     frame.addComponentListener(listener);
  77                     frame.setVisible(true);
  78                 }
  79             }
  80         });
  81 
  82         latch.await();
  83 
  84         if (result[0] == false) {
  85             throw new RuntimeException("popup menu rendered in wrong position");
  86         }
  87 
  88         System.out.println("OK");
  89     }
  90 
  91     private static GraphicsDevice[] checkScreens() {
  92         GraphicsEnvironment ge =
  93             GraphicsEnvironment.getLocalGraphicsEnvironment();
  94         return ge.getScreenDevices();
  95     }
  96 
  97     private static JFrame createGUI() {
  98         JMenuBar menuBar = new JMenuBar();
  99         JMenu menu = new JMenu("Some menu");
 100         menuBar.add(menu);
 101 
 102         for (int i = 0; i < 10; i++) {
 103             menu.add(new JMenuItem("Some menu #" + i));
 104         }
 105 
 106         JFrame frame = new JFrame();
 107         frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 108         frame.setMinimumSize(new Dimension(200, 200));
 109         frame.setJMenuBar(menuBar);
 110         return frame;
 111     }
 112 
 113     private static GraphicsDevice checkConfigs(GraphicsDevice[] devices) {
 114 
 115         GraphicsDevice correctDevice = null;
 116         if (devices.length < 2) {
 117             return correctDevice;
 118         }
 119 
 120         Toolkit toolkit = Toolkit.getDefaultToolkit();
 121         Rectangle screenBounds = new Rectangle(toolkit.getScreenSize());
 122         int halfScreen = screenBounds.height/2;
 123 
 124         for(int i = 0; i < devices.length; i++) {
 125             if(devices[i].getType() == GraphicsDevice.TYPE_RASTER_SCREEN) {
 126                 GraphicsConfiguration conf =
 127                         devices[i].getDefaultConfiguration();
 128                 Rectangle bounds = conf.getBounds();
 129                 if (bounds.y >= halfScreen) {
 130                     // found
 131                     correctDevice = devices[i];
 132                     break;
 133                 }
 134             }
 135         }
 136         return correctDevice;
 137     }
 138 
 139     private static class FrameListener extends ComponentAdapter {
 140 
 141         private GraphicsDevice device;
 142         private CountDownLatch latch;
 143         private boolean [] result;
 144         public FrameListener(GraphicsDevice device,
 145                              CountDownLatch latch,
 146                              boolean [] result)
 147         {
 148             this.device = device;
 149             this.latch = latch;
 150             this.result = result;
 151         }
 152 
 153         @Override
 154         public void componentShown(ComponentEvent e) {
 155             JFrame frame = (JFrame) e.getComponent();
 156 
 157             runActualTest(device, latch, frame, result);
 158 
 159             frame.setVisible(false);
 160             frame.dispose();
 161             latch.countDown();
 162         }
 163     }
 164 
 165     private static Rectangle setLocation(JFrame frame, GraphicsDevice device) {
 166         GraphicsConfiguration conf = device.getDefaultConfiguration();
 167         Rectangle bounds = conf.getBounds();
 168 
 169         // put just below half screen
 170         int x = bounds.x + bounds.width/2;
 171         int y = bounds.y + bounds.height/2;
 172         frame.setLocation(x, y);
 173 
 174         return bounds;
 175     }
 176 
 177     private static void runActualTest(GraphicsDevice device,
 178                                       CountDownLatch latch,
 179                                       JFrame frame,
 180                                       boolean [] result)
 181     {
 182         Rectangle screenBounds = setLocation(frame, device);
 183         JMenu menu = frame.getJMenuBar().getMenu(0);
 184         menu.doClick();
 185 
 186         Point location = menu.getLocationOnScreen();
 187         JPopupMenu pm = menu.getPopupMenu();
 188         Dimension pmSize = pm.getSize();
 189 
 190         int yOffset = UIManager.getInt("Menu.submenuPopupOffsetY");
 191         int height = location.y + yOffset + pmSize.height + menu.getHeight();
 192         int available = screenBounds.y + screenBounds.height - height;
 193         if (available > 0) {
 194             Point origin = pm.getLocationOnScreen();
 195             if (origin.y < location.y) {
 196                 // growing upward, wrong!
 197                 result[0] = false;
 198             } else {
 199                 // growing downward, ok!
 200                 result[0] = true;
 201             }
 202         } else {
 203             // there is no space, growing upward would be ok, so we pass
 204             result[0] = true;
 205         }
 206     }
 207 }