111 lines
3.6 KiB
Java
111 lines
3.6 KiB
Java
/*
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* Copyright (c) 2010, 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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* @key headful
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* @bug 4743225
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* @summary Size of JComboBox list is wrong when list is populated via PopupMenuListener
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* @author Alexander Potochkin
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*/
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import javax.accessibility.AccessibleContext;
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import javax.swing.JComboBox;
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import javax.swing.JFrame;
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import javax.swing.SwingUtilities;
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import javax.swing.event.PopupMenuEvent;
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import javax.swing.event.PopupMenuListener;
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import javax.swing.plaf.basic.BasicComboPopup;
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import java.awt.FlowLayout;
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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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public class bug4743225 extends JFrame {
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private static JComboBox cb;
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private static volatile boolean flag;
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public bug4743225() {
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setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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setLayout(new FlowLayout());
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cb = new JComboBox(new Object[] {"one", "two", "three"});
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cb.addPopupMenuListener(new PopupMenuListener() {
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public void popupMenuWillBecomeVisible(PopupMenuEvent e) {
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cb.addItem("Test");
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}
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public void popupMenuWillBecomeInvisible(PopupMenuEvent e) {
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}
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public void popupMenuCanceled(PopupMenuEvent e) {
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}
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});
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add(cb);
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pack();
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setLocationRelativeTo(null);
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}
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public static BasicComboPopup getPopup() {
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AccessibleContext c = cb.getAccessibleContext();
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for(int i = 0; i < c.getAccessibleChildrenCount(); i ++) {
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if (c.getAccessibleChild(i) instanceof BasicComboPopup) {
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return (BasicComboPopup) c.getAccessibleChild(i);
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}
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}
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throw new AssertionError("No BasicComboPopup found");
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}
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public static void main(String... args) throws Exception {
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Robot robot = new Robot();
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robot.setAutoDelay(100);
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SwingUtilities.invokeAndWait(new Runnable() {
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public void run() {
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new bug4743225().setVisible(true);
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}
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});
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robot.waitForIdle();
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// calling this method from main thread is ok
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Point point = cb.getLocationOnScreen();
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robot.mouseMove(point.x + 10, point.y + 10);
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robot.mousePress(InputEvent.BUTTON1_MASK);
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robot.mouseRelease(InputEvent.BUTTON1_MASK);
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robot.waitForIdle();
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SwingUtilities.invokeAndWait(new Runnable() {
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public void run() {
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if(getPopup().getList().getLastVisibleIndex() == 3) {
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flag = true;
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}
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}
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});
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if (!flag) {
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throw new RuntimeException("The ComboBox popup wasn't correctly updated");
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}
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}
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}
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