Java example source code file (bug4973721.java)

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Java - Java tags/keywords

awt, changelistener, couldn\'t, down, event, focuslistener, gui, interruptedexception, jframe, jspinner, object, override, robot, runnable, runtimeexception, suntoolkit, swing, synth

The bug4973721.java Java example source code

/*
 * Copyright (c) 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
   @bug 4973721
   @summary Up and Down Arrow key buttons are not working for the JSpinner in Synth LAF
   @library ../../regtesthelpers
   @build Util
   @author Oleg Mokhovikov
   @run main bug4973721
*/

import java.awt.Robot;
import java.awt.Toolkit;
import javax.swing.event.ChangeListener;
import javax.swing.event.ChangeEvent;
import java.awt.event.KeyEvent;
import java.awt.event.FocusListener;
import java.awt.event.FocusEvent;
import javax.swing.*;
import sun.awt.SunToolkit;

public class bug4973721 implements ChangeListener, FocusListener {
    static volatile boolean bStateChanged = false;
    static volatile boolean bFocusGained = false;
    static JSpinner spinner;
    static final Object listener = new bug4973721();
    private static final SunToolkit toolkit = (SunToolkit) Toolkit.getDefaultToolkit();

    public void focusLost(FocusEvent e) {}

    public synchronized void focusGained(FocusEvent e) {
        System.out.println("focusGained");
        bFocusGained = true;
        notifyAll();
    }

    public synchronized void stateChanged(ChangeEvent e) {
        System.out.println("stateChanged");
        bStateChanged = true;
        notifyAll();
    }

    public static void main(String[] args) throws Exception {
        UIManager.setLookAndFeel("javax.swing.plaf.synth.SynthLookAndFeel");

        SwingUtilities.invokeAndWait(new Runnable() {
            public void run() {
                final JFrame frame = new JFrame();
                spinner = new JSpinner();
                frame.getContentPane().add(spinner);
                frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

                frame.pack();
                frame.setVisible(true);
                spinner.addChangeListener((ChangeListener)listener);
                spinner.addFocusListener((FocusListener)listener);
                spinner.requestFocus();

            }
        });

        synchronized(listener) {
            if (!bFocusGained) {
                System.out.println("waiting focusGained...");
                try { listener.wait(5000); } catch (InterruptedException e) {}
            }
        }

        boolean hasFocus = Util.invokeOnEDT(new java.util.concurrent.Callable<Boolean>() {
            @Override
            public Boolean call() throws Exception {
                return spinner.hasFocus();
            }
        });

        if (!bFocusGained && !hasFocus) {
            throw new RuntimeException("Couldn't request focus for spinner");
        }
        Robot robot = new Robot();
        robot.setAutoDelay(50);

        Util.hitKeys(robot, KeyEvent.VK_UP);
        toolkit.realSync();
        Thread.sleep(1000);

        if (!bStateChanged) {
            throw new RuntimeException("Up arrow key button doesn't work for a spinner in Synth L&F");
        }

        bStateChanged = false;

        Util.hitKeys(robot, KeyEvent.VK_DOWN);
        toolkit.realSync();
        Thread.sleep(1000);

        if (!bStateChanged) {
            throw new RuntimeException("Down arrow key button doesn't work for a spinner in Synth L&F");
        }
    }
}