1 /*
   2  * Copyright (c) 2014, 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 javax.swing.*;
  25 import java.awt.event.ActionEvent;
  26 import java.awt.event.KeyEvent;
  27 import java.awt.Toolkit;
  28 import java.awt.Robot;
  29 import sun.awt.SunToolkit;
  30 
  31 /*
  32   @test
  33   @bug 8031485 8058193
  34   @summary Combo box consuming escape and enter key events
  35   @author Petr Pchelko
  36   @run main ConsumedKeyTest
  37 */
  38 public class ConsumedKeyTest {
  39     private static volatile JFrame frame;
  40     private static volatile boolean passed;
  41 
  42     public static void main(String... args) throws Exception {
  43         test(KeyEvent.VK_ESCAPE);
  44         test(KeyEvent.VK_ENTER);
  45     }
  46 
  47     private static void test(final int key) throws Exception {
  48         passed = false;
  49         try {
  50             SwingUtilities.invokeAndWait(() -> {
  51                 frame = new JFrame();
  52                 JComboBox<String> combo = new JComboBox<>(new String[]{"one", "two", "three"});
  53                 JPanel panel = new JPanel();
  54                 panel.add(combo);
  55                 combo.requestFocusInWindow();
  56                 frame.setBounds(100, 150, 300, 100);
  57                 addAction(panel, key);
  58                 frame.add(panel);
  59                 frame.setVisible(true);
  60             });
  61 
  62             Robot robot = new Robot();
  63             robot.waitForIdle();
  64             ((SunToolkit)Toolkit.getDefaultToolkit()).realSync();
  65             robot.keyPress(key);
  66             robot.waitForIdle();
  67             ((SunToolkit)Toolkit.getDefaultToolkit()).realSync();
  68             robot.keyRelease(key);
  69             robot.waitForIdle();
  70             ((SunToolkit)Toolkit.getDefaultToolkit()).realSync();
  71             if (!passed) {
  72                 throw new RuntimeException("FAILED: " + KeyEvent.getKeyText(key) + " was consumed by combo box");
  73             }
  74         } finally {
  75             if (frame != null) {
  76                 frame.dispose();
  77             }
  78         }
  79 
  80     }
  81 
  82     private static void addAction(JComponent comp, final int key) {
  83         KeyStroke k = KeyStroke.getKeyStroke(key, 0);
  84         Object actionKey = "cancel";
  85         comp.getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT).put(k, actionKey);
  86         Action cancelAction = new AbstractAction() {
  87             @Override
  88             public void actionPerformed(ActionEvent ev) {
  89                 passed = true;
  90             }
  91         };
  92         comp.getActionMap().put(actionKey, cancelAction);
  93     }
  94 }