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/*
* Copyright (c) 2002, 2024, 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.
*/
import java.awt.AWTException;
import java.awt.BorderLayout;
import java.awt.Choice;
import java.awt.EventQueue;
import java.awt.Frame;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.event.InputEvent;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.lang.reflect.InvocationTargetException;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicReference;
/*
* @test
* @bug 4902933 8197810
* @summary Test that selecting the current item does not send an ItemEvent
* @key headful
* @run main SelectCurrentItemTest
*/
public class SelectCurrentItemTest
extends WindowAdapter
implements ItemListener {
private static Frame frame;
private static Choice choice;
private final Robot robot;
private final CountDownLatch windowOpened = new CountDownLatch(1);
private final CountDownLatch mouseClicked = new CountDownLatch(1);
protected final CountDownLatch itemStateChanged = new CountDownLatch(1);
protected SelectCurrentItemTest() throws AWTException {
robot = new Robot();
robot.setAutoDelay(250);
}
private void createUI() {
frame = new Frame(getClass().getName());
frame.setLayout(new BorderLayout());
choice = new Choice();
for (int i = 0; i < 10; i++) {
choice.add("Choice Item " + i);
}
choice.addItemListener(this);
choice.addMouseListener(new MouseAdapter() {
@Override
public void mouseClicked(MouseEvent e) {
System.out.println("mouseClicked()");
mouseClicked.countDown();
}
});
frame.add(choice, BorderLayout.CENTER);
frame.addWindowListener(this);
frame.setLocationRelativeTo(null);
frame.setResizable(false);
frame.pack();
frame.setVisible(true);
}
protected final void runTest()
throws InterruptedException, InvocationTargetException {
try {
doTest();
} finally {
EventQueue.invokeAndWait(this::dispose);
}
}
private void doTest()
throws InterruptedException, InvocationTargetException {
EventQueue.invokeAndWait(this::createUI);
if (!windowOpened.await(2, TimeUnit.SECONDS)) {
throw new RuntimeException("Frame is not open in time");
}
robot.waitForIdle();
final int initialIndex = getSelectedIndex();
final Rectangle choiceRect = getChoiceRect();
// Open the choice popup
robot.mouseMove(choiceRect.x + choiceRect.width - 10,
choiceRect.y + choiceRect.height / 2);
robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
if (!mouseClicked.await(500, TimeUnit.MILLISECONDS)) {
throw new RuntimeException("Mouse is not clicked in time");
}
robot.waitForIdle();
// Click an item in the choice popup
final Point pt = getClickLocation(choiceRect);
robot.mouseMove(pt.x, pt.y);
robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
robot.waitForIdle();
checkItemStateChanged();
final int currentIndex = getSelectedIndex();
System.out.println("initialIndex = " + initialIndex);
System.out.println("currentIndex = " + currentIndex);
checkSelectedIndex(initialIndex, currentIndex);
}
protected void checkItemStateChanged() throws InterruptedException {
if (itemStateChanged.await(500, TimeUnit.MILLISECONDS)) {
throw new RuntimeException("ItemEvent is received but unexpected");
}
}
protected void checkSelectedIndex(final int initialIndex,
final int currentIndex) {
if (initialIndex != currentIndex) {
throw new RuntimeException("Selected index in Choice should not change");
}
}
/**
* {@return the location for clicking choice popup to select an item}
* @param choiceRect the bounds of the Choice component
*/
protected Point getClickLocation(final Rectangle choiceRect) {
// Click on the first item in the popup, it's the selected item
return new Point(choiceRect.x + choiceRect.width / 2,
choiceRect.y + choiceRect.height + 3);
}
private int getSelectedIndex()
throws InterruptedException, InvocationTargetException {
AtomicInteger index = new AtomicInteger();
EventQueue.invokeAndWait(() -> index.set(choice.getSelectedIndex()));
return index.get();
}
private Rectangle getChoiceRect()
throws InterruptedException, InvocationTargetException {
AtomicReference<Rectangle> rect = new AtomicReference<>();
EventQueue.invokeAndWait(
() -> rect.set(new Rectangle(choice.getLocationOnScreen(),
choice.getSize())));
return rect.get();
}
public static void main(String... args) throws Exception {
new SelectCurrentItemTest().runTest();
}
private void dispose() {
if (frame != null) {
frame.dispose();
}
}
@Override
public final void itemStateChanged(ItemEvent e) {
System.out.println("itemStateChanged: " + e);
itemStateChanged.countDown();
}
@Override
public final void windowOpened(WindowEvent e) {
System.out.println("windowActivated()");
windowOpened.countDown();
}
}
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