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Java example source code file (bug4692443.java)

This example Java source code file (bug4692443.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

actionlistener, awt, enter, event, failedlistener, file, gui, jframe, jmenu, jmenuitem, launch, one, passedlistener, robot, runtimeexception, suntoolkit, swing, test

The bug4692443.java Java example source code

/*
 * Copyright (c) 2009, 2013, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/*
 * @test
 * @library ../../regtesthelpers
 * @build Util
 * @bug 4692443 7105030
 * @summary JMenu: MenuListener.menuSelected() event fired too late when using mnemonics
 * @author Alexander Zuev
 * @run main bug4692443
 */

import javax.swing.*;
import javax.swing.event.*;
import java.awt.event.*;
import java.awt.*;
import sun.awt.SunToolkit;

public class bug4692443 {

    public static PassedListener pass;
    public static FailedListener fail;
    public static volatile Boolean passed;

    public static void main(String args[]) throws Throwable {

        fail = new FailedListener();
        pass = new PassedListener();
        passed = false;
        Robot robo = new Robot();

        SwingUtilities.invokeAndWait(new Runnable() {
            public void run() {
                createAndShowGUI();
            }
        });

        SunToolkit toolkit = (SunToolkit) Toolkit.getDefaultToolkit();
        toolkit.realSync();

        try {
                robo = new Robot();
            } catch (AWTException e) {
                throw new RuntimeException("Robot could not be created");
            }
            int altKey = java.awt.event.KeyEvent.VK_ALT;
            robo.setAutoDelay(100);
            Util.hitMnemonics(robo, KeyEvent.VK_F); // Enter File menu
            robo.keyPress(KeyEvent.VK_S);  // Enter submenu
            robo.keyRelease(KeyEvent.VK_S);
            robo.keyPress(KeyEvent.VK_O); // Launch "One" action
            robo.keyRelease(KeyEvent.VK_O);
            robo.keyPress(KeyEvent.VK_M); // Launch "One" action
            robo.keyRelease(KeyEvent.VK_M);

            toolkit.realSync();

            if (!passed) {
                throw new RuntimeException("Test failed.");
            }

    }

    private static void createAndShowGUI() {
        JFrame mainFrame = new JFrame("Bug 4692443");
        JMenuBar mbar = new JMenuBar();
        JMenu menu = new JMenu("File");
        menu.setMnemonic('F');
        menu.add(new JMenuItem("Menu Item 1")).setMnemonic('I');
        final JMenu submenu = new JMenu("Submenu");
        submenu.setMnemonic('S');
        submenu.addMenuListener(new MenuListener() {
            public void menuSelected(MenuEvent e) {
                JMenuItem item = submenu.add(new JMenuItem("One", 'O'));
                item.addActionListener(pass);
                submenu.add(new JMenuItem("Two", 'w'));
                submenu.add(new JMenuItem("Three", 'r'));
            }
            public void menuDeselected(MenuEvent e) {
                submenu.removeAll();
            }
            public void menuCanceled(MenuEvent e) {
                submenu.removeAll();
            }
        });
        menu.add(submenu);
        JMenuItem menuItem = menu.add(new JMenuItem("Menu Item 2"));
        menuItem.setMnemonic('M');
        menuItem.addActionListener(fail);
        mbar.add(menu);
        mainFrame.setJMenuBar(mbar);

        mainFrame.setSize(200, 200);
        mainFrame.setLocation(200, 200);
        mainFrame.setVisible(true);
        mainFrame.toFront();
    }

    public static class FailedListener implements ActionListener {
        public void actionPerformed(ActionEvent ev) {
            throw new RuntimeException("Test failed.");
        }
    }

    public static class PassedListener implements ActionListener {
        public void actionPerformed(ActionEvent ev) {
            passed = true;
        }
    }

}

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