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   @key headful
  34   @bug 8031485 8058193
  35   @summary Combo box consuming escape and enter key events
  36   @author Petr Pchelko
  37   @run main ConsumedKeyTest
  38 */
  39 public class ConsumedKeyTest {
  40     private static volatile JFrame frame;
  41     private static volatile boolean passed;
  42 
  43     public static void main(String... args) throws Exception {
  44         test(KeyEvent.VK_ESCAPE);
  45         test(KeyEvent.VK_ENTER);
  46     }
  47 
  48     private static void test(final int key) throws Exception {
  49         passed = false;
  50         try {
  51             SwingUtilities.invokeAndWait(() -> {
  52                 frame = new JFrame();
  53                 JComboBox<String> combo = new JComboBox<>(new String[]{"one", "two", "three"});
  54                 JPanel panel = new JPanel();
  55                 panel.add(combo);
  56                 combo.requestFocusInWindow();
  57                 frame.setBounds(100, 150, 300, 100);
  58                 addAction(panel, key);
  59                 frame.add(panel);
  60                 frame.setVisible(true);
  61             });
  62 
  63             Robot robot = new Robot();
  64             robot.waitForIdle();
  65             ((SunToolkit)Toolkit.getDefaultToolkit()).realSync();
  66             robot.keyPress(key);
  67             robot.waitForIdle();
  68             ((SunToolkit)Toolkit.getDefaultToolkit()).realSync();
  69             robot.keyRelease(key);
  70             robot.waitForIdle();
  71             ((SunToolkit)Toolkit.getDefaultToolkit()).realSync();
  72             if (!passed) {
  73                 throw new RuntimeException("FAILED: " + KeyEvent.getKeyText(key) + " was consumed by combo box");
  74             }
  75         } finally {
  76             if (frame != null) {
  77                 frame.dispose();
  78             }
  79         }
  80 
  81     }
  82 
  83     private static void addAction(JComponent comp, final int key) {
  84         KeyStroke k = KeyStroke.getKeyStroke(key, 0);
  85         Object actionKey = "cancel";
  86         comp.getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT).put(k, actionKey);
  87         Action cancelAction = new AbstractAction() {
  88             @Override
  89             public void actionPerformed(ActionEvent ev) {
  90                 passed = true;
  91             }
  92         };
  93         comp.getActionMap().put(actionKey, cancelAction);
  94     }
  95 }