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.
125 lines
4.5 KiB
Java
125 lines
4.5 KiB
Java
/*
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* Copyright (c) 2001, 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 4397557
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* @summary Check that focused lightweight component gets key events
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* even if mouse is outside of it or on top of heavyweight component
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* @key headful
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* @run main KeyEventToLightweight
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*/
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import java.awt.AWTException;
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import java.awt.Button;
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import java.awt.Component;
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import java.awt.Dimension;
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import java.awt.EventQueue;
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import java.awt.FlowLayout;
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import java.awt.Frame;
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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 java.awt.event.KeyAdapter;
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import java.awt.event.KeyEvent;
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import java.lang.reflect.InvocationTargetException;
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import java.util.concurrent.atomic.AtomicBoolean;
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import javax.swing.JButton;
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public class KeyEventToLightweight extends Frame {
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JButton lwbutton = new JButton("Select Me");
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Button hwbutton = new Button("Heavyweight");
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AtomicBoolean aTyped = new AtomicBoolean(false);
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AtomicBoolean bTyped = new AtomicBoolean(false);
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AtomicBoolean cTyped = new AtomicBoolean(false);
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public static void main(String[] args) throws InterruptedException,
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InvocationTargetException, AWTException {
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KeyEventToLightweight test = new KeyEventToLightweight();
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try {
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EventQueue.invokeAndWait(test::initUI);
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test.performTest();
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} finally {
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EventQueue.invokeAndWait(test::dispose);
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}
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}
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public void initUI() {
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this.setLayout(new FlowLayout());
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add(lwbutton);
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add(hwbutton);
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setSize(200, 200);
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setLocationRelativeTo(null);
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lwbutton.addKeyListener(new KeyAdapter() {
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public void keyPressed(KeyEvent e) {
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if (e.getKeyCode() == KeyEvent.VK_A) {
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aTyped.set(true);
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} else if (e.getKeyCode() == KeyEvent.VK_B) {
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bTyped.set(true);
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} else if (e.getKeyCode() == KeyEvent.VK_C) {
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cTyped.set(true);
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}
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}
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});
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setVisible(true);
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}
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public void middleOf(Component c, Point p) {
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Point loc = c.getLocationOnScreen();
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Dimension size = c.getSize();
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p.setLocation(loc.x + (size.width / 2), loc.y + (size.height / 2));
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}
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public void performTest() throws AWTException, InterruptedException,
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InvocationTargetException {
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Robot robot = new Robot();
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robot.setAutoDelay(50);
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robot.delay(500);
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robot.waitForIdle();
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Point target = new Point();
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EventQueue.invokeAndWait(() -> middleOf(lwbutton, target));
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robot.mouseMove(target.x, target.y);
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robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
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robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
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robot.waitForIdle();
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robot.delay(500);
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robot.keyPress(KeyEvent.VK_A);
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robot.keyRelease(KeyEvent.VK_A);
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robot.waitForIdle();
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robot.mouseMove(target.x - 200, target.y);
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robot.keyPress(KeyEvent.VK_B);
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robot.keyRelease(KeyEvent.VK_B);
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robot.waitForIdle();
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robot.delay(500);
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EventQueue.invokeAndWait(() -> middleOf(hwbutton, target));
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robot.mouseMove(target.x, target.y);
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robot.keyPress(KeyEvent.VK_C);
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robot.keyRelease(KeyEvent.VK_C);
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if (!aTyped.get() || !bTyped.get() || !cTyped.get()) {
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throw new RuntimeException("Key event was not delivered, case 1: "
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+ aTyped.get() + ", case 2: " + bTyped.get() + ", case 3: "
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+ cTyped.get());
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}
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}
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}
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