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  * @key headful
  27  * @bug 8071705
  28  * @summary  Java application menu misbehaves when running multiple screen stacked vertically
  29  * @build bug8071705
  30  * @run main/othervm bug8071705
  31  */
  32 
  33 import java.awt.Dimension;
  34 import java.awt.GraphicsConfiguration;
  35 import java.awt.GraphicsDevice;
  36 import java.awt.GraphicsEnvironment;
  37 import java.awt.Point;
  38 import java.awt.Rectangle;
  39 import java.awt.Toolkit;
  40 import java.awt.event.ComponentAdapter;
  41 import java.awt.event.ComponentEvent;
  42 import java.awt.event.KeyEvent;
  43 import java.util.concurrent.CountDownLatch;
  44 
  45 import javax.swing.JFrame;
  46 import javax.swing.JMenu;
  47 import javax.swing.JMenuBar;
  48 import javax.swing.JMenuItem;
  49 import javax.swing.JPopupMenu;
  50 import javax.swing.SwingUtilities;
  51 import javax.swing.UIManager;
  52 
  53 public class bug8071705 {
  54 
  55     public static void main(String[] args) throws Exception {
  56 
  57         final CountDownLatch latch = new CountDownLatch(1);
  58         final boolean [] result = new boolean[1];
  59 
  60         SwingUtilities.invokeLater(new Runnable() {
  61             @Override
  62             public void run() {
  63                 JFrame frame = createGUI();
  64                 GraphicsDevice[] devices = checkScreens();
  65 
  66                 // check if we have more than one and if they are stacked
  67                 // vertically
  68                 GraphicsDevice device = checkConfigs(devices);
  69                 if (device == null) {
  70                     // just pass the test
  71                     frame.dispose();
  72                     result[0] = true;
  73                     latch.countDown();
  74                 } else {
  75                     FrameListener listener =
  76                             new FrameListener(device, latch, result);
  77                     frame.addComponentListener(listener);
  78                     frame.setVisible(true);
  79                 }
  80             }
  81         });
  82 
  83         latch.await();
  84 
  85         if (result[0] == false) {
  86             throw new RuntimeException("popup menu rendered in wrong position");
  87         }
  88 
  89         System.out.println("OK");
  90     }
  91 
  92     private static GraphicsDevice[] checkScreens() {
  93         GraphicsEnvironment ge =
  94             GraphicsEnvironment.getLocalGraphicsEnvironment();
  95         return ge.getScreenDevices();
  96     }
  97 
  98     private static JFrame createGUI() {
  99         JMenuBar menuBar = new JMenuBar();
 100         JMenu menu = new JMenu("Some menu");
 101         menuBar.add(menu);
 102 
 103         for (int i = 0; i < 10; i++) {
 104             menu.add(new JMenuItem("Some menu #" + i));
 105         }
 106 
 107         JFrame frame = new JFrame();
 108         frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 109         frame.setMinimumSize(new Dimension(200, 200));
 110         frame.setJMenuBar(menuBar);
 111         return frame;
 112     }
 113 
 114     private static GraphicsDevice checkConfigs(GraphicsDevice[] devices) {
 115 
 116         GraphicsDevice correctDevice = null;
 117         if (devices.length < 2) {
 118             return correctDevice;
 119         }
 120 
 121         Toolkit toolkit = Toolkit.getDefaultToolkit();
 122         Rectangle screenBounds = new Rectangle(toolkit.getScreenSize());
 123         int halfScreen = screenBounds.height/2;
 124 
 125         for(int i = 0; i < devices.length; i++) {
 126             if(devices[i].getType() == GraphicsDevice.TYPE_RASTER_SCREEN) {
 127                 GraphicsConfiguration conf =
 128                         devices[i].getDefaultConfiguration();
 129                 Rectangle bounds = conf.getBounds();
 130                 if (bounds.y >= halfScreen) {
 131                     // found
 132                     correctDevice = devices[i];
 133                     break;
 134                 }
 135             }
 136         }
 137         return correctDevice;
 138     }
 139 
 140     private static class FrameListener extends ComponentAdapter {
 141 
 142         private GraphicsDevice device;
 143         private CountDownLatch latch;
 144         private boolean [] result;
 145         public FrameListener(GraphicsDevice device,
 146                              CountDownLatch latch,
 147                              boolean [] result)
 148         {
 149             this.device = device;
 150             this.latch = latch;
 151             this.result = result;
 152         }
 153 
 154         @Override
 155         public void componentShown(ComponentEvent e) {
 156             JFrame frame = (JFrame) e.getComponent();
 157 
 158             runActualTest(device, latch, frame, result);
 159 
 160             frame.setVisible(false);
 161             frame.dispose();
 162             latch.countDown();
 163         }
 164     }
 165 
 166     private static Rectangle setLocation(JFrame frame, GraphicsDevice device) {
 167         GraphicsConfiguration conf = device.getDefaultConfiguration();
 168         Rectangle bounds = conf.getBounds();
 169 
 170         // put just below half screen
 171         int x = bounds.x + bounds.width/2;
 172         int y = bounds.y + bounds.height/2;
 173         frame.setLocation(x, y);
 174 
 175         return bounds;
 176     }
 177 
 178     private static void runActualTest(GraphicsDevice device,
 179                                       CountDownLatch latch,
 180                                       JFrame frame,
 181                                       boolean [] result)
 182     {
 183         Rectangle screenBounds = setLocation(frame, device);
 184         JMenu menu = frame.getJMenuBar().getMenu(0);
 185         menu.doClick();
 186 
 187         Point location = menu.getLocationOnScreen();
 188         JPopupMenu pm = menu.getPopupMenu();
 189         Dimension pmSize = pm.getSize();
 190 
 191         int yOffset = UIManager.getInt("Menu.submenuPopupOffsetY");
 192         int height = location.y + yOffset + pmSize.height + menu.getHeight();
 193         int available = screenBounds.y + screenBounds.height - height;
 194         if (available > 0) {
 195             Point origin = pm.getLocationOnScreen();
 196             if (origin.y < location.y) {
 197                 // growing upward, wrong!
 198                 result[0] = false;
 199             } else {
 200                 // growing downward, ok!
 201                 result[0] = true;
 202             }
 203         } else {
 204             // there is no space, growing upward would be ok, so we pass
 205             result[0] = true;
 206         }
 207     }
 208 }