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| 1 | +/* |
| 2 | + * Copyright (c) 2002, 2024, 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 java.awt.AWTException; |
| 25 | +import java.awt.BorderLayout; |
| 26 | +import java.awt.Choice; |
| 27 | +import java.awt.EventQueue; |
| 28 | +import java.awt.Frame; |
| 29 | +import java.awt.Point; |
| 30 | +import java.awt.Rectangle; |
| 31 | +import java.awt.Robot; |
| 32 | +import java.awt.event.InputEvent; |
| 33 | +import java.awt.event.ItemEvent; |
| 34 | +import java.awt.event.ItemListener; |
| 35 | +import java.awt.event.MouseAdapter; |
| 36 | +import java.awt.event.MouseEvent; |
| 37 | +import java.awt.event.WindowAdapter; |
| 38 | +import java.awt.event.WindowEvent; |
| 39 | +import java.lang.reflect.InvocationTargetException; |
| 40 | +import java.util.concurrent.CountDownLatch; |
| 41 | +import java.util.concurrent.TimeUnit; |
| 42 | +import java.util.concurrent.atomic.AtomicInteger; |
| 43 | +import java.util.concurrent.atomic.AtomicReference; |
| 44 | + |
| 45 | +/* |
| 46 | + * @test |
| 47 | + * @bug 4902933 8197810 |
| 48 | + * @summary Test that selecting the current item does not send an ItemEvent |
| 49 | + * @key headful |
| 50 | + * @run main SelectCurrentItemTest |
| 51 | +*/ |
| 52 | +public class SelectCurrentItemTest |
| 53 | + extends WindowAdapter |
| 54 | + implements ItemListener { |
| 55 | + private static Frame frame; |
| 56 | + private static Choice choice; |
| 57 | + |
| 58 | + private final Robot robot; |
| 59 | + |
| 60 | + private final CountDownLatch windowOpened = new CountDownLatch(1); |
| 61 | + private final CountDownLatch mouseClicked = new CountDownLatch(1); |
| 62 | + |
| 63 | + protected final CountDownLatch itemStateChanged = new CountDownLatch(1); |
| 64 | + |
| 65 | + protected SelectCurrentItemTest() throws AWTException { |
| 66 | + robot = new Robot(); |
| 67 | + robot.setAutoDelay(250); |
| 68 | + } |
| 69 | + |
| 70 | + private void createUI() { |
| 71 | + frame = new Frame(getClass().getName()); |
| 72 | + frame.setLayout(new BorderLayout()); |
| 73 | + |
| 74 | + choice = new Choice(); |
| 75 | + for (int i = 0; i < 10; i++) { |
| 76 | + choice.add("Choice Item " + i); |
| 77 | + } |
| 78 | + choice.addItemListener(this); |
| 79 | + choice.addMouseListener(new MouseAdapter() { |
| 80 | + @Override |
| 81 | + public void mouseClicked(MouseEvent e) { |
| 82 | + System.out.println("mouseClicked()"); |
| 83 | + mouseClicked.countDown(); |
| 84 | + } |
| 85 | + }); |
| 86 | + |
| 87 | + frame.add(choice, BorderLayout.CENTER); |
| 88 | + |
| 89 | + frame.addWindowListener(this); |
| 90 | + |
| 91 | + frame.setLocationRelativeTo(null); |
| 92 | + frame.setResizable(false); |
| 93 | + frame.pack(); |
| 94 | + frame.setVisible(true); |
| 95 | + } |
| 96 | + |
| 97 | + protected final void runTest() |
| 98 | + throws InterruptedException, InvocationTargetException { |
| 99 | + try { |
| 100 | + doTest(); |
| 101 | + } finally { |
| 102 | + EventQueue.invokeAndWait(this::dispose); |
| 103 | + } |
| 104 | + } |
| 105 | + |
| 106 | + private void doTest() |
| 107 | + throws InterruptedException, InvocationTargetException { |
| 108 | + EventQueue.invokeAndWait(this::createUI); |
| 109 | + |
| 110 | + if (!windowOpened.await(2, TimeUnit.SECONDS)) { |
| 111 | + throw new RuntimeException("Frame is not open in time"); |
| 112 | + } |
| 113 | + robot.waitForIdle(); |
| 114 | + |
| 115 | + final int initialIndex = getSelectedIndex(); |
| 116 | + |
| 117 | + final Rectangle choiceRect = getChoiceRect(); |
| 118 | + |
| 119 | + // Open the choice popup |
| 120 | + robot.mouseMove(choiceRect.x + choiceRect.width - 10, |
| 121 | + choiceRect.y + choiceRect.height / 2); |
| 122 | + robot.mousePress(InputEvent.BUTTON1_DOWN_MASK); |
| 123 | + robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK); |
| 124 | + |
| 125 | + if (!mouseClicked.await(500, TimeUnit.MILLISECONDS)) { |
| 126 | + throw new RuntimeException("Mouse is not clicked in time"); |
| 127 | + } |
| 128 | + robot.waitForIdle(); |
| 129 | + |
| 130 | + // Click an item in the choice popup |
| 131 | + final Point pt = getClickLocation(choiceRect); |
| 132 | + robot.mouseMove(pt.x, pt.y); |
| 133 | + robot.mousePress(InputEvent.BUTTON1_DOWN_MASK); |
| 134 | + robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK); |
| 135 | + |
| 136 | + robot.waitForIdle(); |
| 137 | + |
| 138 | + checkItemStateChanged(); |
| 139 | + |
| 140 | + final int currentIndex = getSelectedIndex(); |
| 141 | + System.out.println("initialIndex = " + initialIndex); |
| 142 | + System.out.println("currentIndex = " + currentIndex); |
| 143 | + checkSelectedIndex(initialIndex, currentIndex); |
| 144 | + } |
| 145 | + |
| 146 | + protected void checkItemStateChanged() throws InterruptedException { |
| 147 | + if (itemStateChanged.await(500, TimeUnit.MILLISECONDS)) { |
| 148 | + throw new RuntimeException("ItemEvent is received but unexpected"); |
| 149 | + } |
| 150 | + } |
| 151 | + |
| 152 | + protected void checkSelectedIndex(final int initialIndex, |
| 153 | + final int currentIndex) { |
| 154 | + if (initialIndex != currentIndex) { |
| 155 | + throw new RuntimeException("Selected index in Choice should not change"); |
| 156 | + } |
| 157 | + } |
| 158 | + |
| 159 | + /** |
| 160 | + * {@return the location for clicking choice popup to select an item} |
| 161 | + * @param choiceRect the bounds of the Choice component |
| 162 | + */ |
| 163 | + protected Point getClickLocation(final Rectangle choiceRect) { |
| 164 | + // Click on the first item in the popup, it's the selected item |
| 165 | + return new Point(choiceRect.x + choiceRect.width / 2, |
| 166 | + choiceRect.y + choiceRect.height + 3); |
| 167 | + } |
| 168 | + |
| 169 | + private int getSelectedIndex() |
| 170 | + throws InterruptedException, InvocationTargetException { |
| 171 | + AtomicInteger index = new AtomicInteger(); |
| 172 | + EventQueue.invokeAndWait(() -> index.set(choice.getSelectedIndex())); |
| 173 | + return index.get(); |
| 174 | + } |
| 175 | + |
| 176 | + private Rectangle getChoiceRect() |
| 177 | + throws InterruptedException, InvocationTargetException { |
| 178 | + AtomicReference<Rectangle> rect = new AtomicReference<>(); |
| 179 | + EventQueue.invokeAndWait( |
| 180 | + () -> rect.set(new Rectangle(choice.getLocationOnScreen(), |
| 181 | + choice.getSize()))); |
| 182 | + return rect.get(); |
| 183 | + } |
| 184 | + |
| 185 | + public static void main(String... args) throws Exception { |
| 186 | + new SelectCurrentItemTest().runTest(); |
| 187 | + } |
| 188 | + |
| 189 | + private void dispose() { |
| 190 | + if (frame != null) { |
| 191 | + frame.dispose(); |
| 192 | + } |
| 193 | + } |
| 194 | + |
| 195 | + @Override |
| 196 | + public final void itemStateChanged(ItemEvent e) { |
| 197 | + System.out.println("itemStateChanged: " + e); |
| 198 | + itemStateChanged.countDown(); |
| 199 | + } |
| 200 | + |
| 201 | + @Override |
| 202 | + public final void windowOpened(WindowEvent e) { |
| 203 | + System.out.println("windowActivated()"); |
| 204 | + windowOpened.countDown(); |
| 205 | + } |
| 206 | + |
| 207 | +} |
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