russell@unturf.com
0a580b313d
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
99 lines
3.2 KiB
Java
99 lines
3.2 KiB
Java
/*
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* Copyright (c) 1999, 2025, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 4382876
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* @summary Tests if JSlider fires ChangeEvents when thumb is clicked and not moved
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* @key headful
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* @run main bug4186062
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*/
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import java.awt.Point;
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import java.awt.Robot;
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import java.awt.event.InputEvent;
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import javax.swing.JFrame;
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import javax.swing.JLabel;
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import javax.swing.JPanel;
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import javax.swing.JSlider;
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import javax.swing.SwingUtilities;
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import javax.swing.event.ChangeListener;
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public class bug4186062 {
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private static JFrame f;
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private static JSlider slider;
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private static volatile Point loc;
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private static volatile int labelNum;
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public static void main(String[] args) throws Exception {
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try {
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SwingUtilities.invokeAndWait(() -> {
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f = new JFrame("JSlider Click Value Test");
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f.setSize(400, 200);
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f.setLocationRelativeTo(null);
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f.setVisible(true);
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JPanel panel = new JPanel();
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slider = new JSlider();
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final JLabel label = new JLabel("0");
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labelNum = 0;
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ChangeListener listener = e -> {
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labelNum++;
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label.setText("" + labelNum);
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};
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slider.addChangeListener(listener);
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panel.add(slider);
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panel.add(label);
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f.add(panel);
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});
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Robot r = new Robot();
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r.setAutoDelay(100);
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r.waitForIdle();
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r.delay(1000);
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SwingUtilities.invokeAndWait(() -> {
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loc = slider.getLocationOnScreen();
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loc.setLocation(loc.x + (slider.getWidth() / 2),
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loc.y + (slider.getHeight() / 2));
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});
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r.mouseMove(loc.x, loc.y);
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r.mousePress(InputEvent.BUTTON1_DOWN_MASK);
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r.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
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if (labelNum > 0) {
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throw new RuntimeException(labelNum + " ChangeEvents fired. " +
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"Test failed");
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}
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} finally {
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SwingUtilities.invokeAndWait(() -> {
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if (f != null) {
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f.dispose();
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}
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});
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}
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}
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}
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