1 /* 2 * Copyright (c) 2010, 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 6495920 28 * @summary Tests that if the JPopupMenu.setVisible method throws an exception, 29 interaction with GNOME is not crippled 30 * @author Sergey Malenkov 31 * @library ../.. 32 * @modules java.desktop/sun.awt 33 * @modules java.desktop/javax.swing.plaf.basic:open 34 */ 35 36 import sun.awt.AppContext; 37 38 import java.awt.Point; 39 import java.awt.Robot; 40 import java.awt.event.InputEvent; 41 import java.lang.reflect.Field; 42 import javax.swing.JFrame; 43 import javax.swing.JMenuItem; 44 import javax.swing.JPanel; 45 import javax.swing.JPopupMenu; 46 import javax.swing.SwingUtilities; 47 import javax.swing.plaf.basic.BasicPopupMenuUI; 48 49 public class bug6495920 implements Thread.UncaughtExceptionHandler { 50 main(String[] args)51 public static void main(String[] args) throws Throwable { 52 SwingTest.start(bug6495920.class); 53 } 54 55 private static Robot robot; 56 private final JPanel panel; 57 bug6495920(JFrame frame)58 public bug6495920(JFrame frame) { 59 JPopupMenu menu = new JPopupMenu() { 60 public void setVisible(boolean visible) { 61 super.setVisible(visible); 62 throw new AssertionError(visible ? "show popup" : "hide popup"); 63 } 64 }; 65 for (int i = 0; i < 10; i++) { 66 menu.add(new JMenuItem(String.valueOf(i))); 67 } 68 this.panel = new JPanel(); 69 this.panel.setComponentPopupMenu(menu); 70 frame.add(this.panel); 71 } 72 firstShowPopup()73 public void firstShowPopup() throws Exception { 74 Point point = this.panel.getLocation(); 75 SwingUtilities.convertPointToScreen(point, this.panel); 76 77 robot = new Robot(); // initialize shared static field first time 78 robot.mouseMove(point.x + 1, point.y + 1); 79 robot.mousePress(InputEvent.BUTTON3_MASK); 80 Thread.currentThread().setUncaughtExceptionHandler(this); 81 robot.mouseRelease(InputEvent.BUTTON3_MASK); // causes first AssertionError on EDT 82 } 83 secondHidePopup()84 public void secondHidePopup() { 85 Point point = this.panel.getLocation(); 86 SwingUtilities.convertPointToScreen(point, this.panel); 87 88 robot.mouseMove(point.x - 1, point.y - 1); 89 Thread.currentThread().setUncaughtExceptionHandler(this); 90 robot.mousePress(InputEvent.BUTTON1_MASK); // causes second AssertionError on EDT 91 robot.mouseRelease(InputEvent.BUTTON1_MASK); 92 } 93 thirdValidate()94 public void thirdValidate() throws Exception { 95 Field key = BasicPopupMenuUI.class.getDeclaredField("MOUSE_GRABBER_KEY"); 96 key.setAccessible(true); 97 98 Object grabber = AppContext.getAppContext().get(key.get(null)); 99 if (grabber == null) { 100 throw new Exception("cannot find a mouse grabber in app's context"); 101 } 102 103 Field field = grabber.getClass().getDeclaredField("grabbedWindow"); 104 field.setAccessible(true); 105 106 Object window = field.get(grabber); 107 if (window != null) { 108 throw new Exception("interaction with GNOME is crippled"); 109 } 110 } 111 uncaughtException(Thread thread, Throwable throwable)112 public void uncaughtException(Thread thread, Throwable throwable) { 113 System.out.println(throwable); 114 } 115 } 116