| /* |
| * Copyright (c) 2010, 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. |
| */ |
| |
| /* |
| * @test |
| * @key headful |
| * @bug 4743225 |
| * @summary Size of JComboBox list is wrong when list is populated via PopupMenuListener |
| * @author Alexander Potochkin |
| */ |
| |
| import javax.accessibility.AccessibleContext; |
| import javax.swing.JComboBox; |
| import javax.swing.JFrame; |
| import javax.swing.SwingUtilities; |
| import javax.swing.event.PopupMenuEvent; |
| import javax.swing.event.PopupMenuListener; |
| import javax.swing.plaf.basic.BasicComboPopup; |
| import java.awt.FlowLayout; |
| import java.awt.Point; |
| import java.awt.Robot; |
| import java.awt.event.InputEvent; |
| |
| public class bug4743225 extends JFrame { |
| |
| private static JComboBox cb; |
| private static volatile boolean flag; |
| |
| public bug4743225() { |
| setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); |
| setLayout(new FlowLayout()); |
| cb = new JComboBox(new Object[] {"one", "two", "three"}); |
| cb.addPopupMenuListener(new PopupMenuListener() { |
| public void popupMenuWillBecomeVisible(PopupMenuEvent e) { |
| cb.addItem("Test"); |
| } |
| |
| public void popupMenuWillBecomeInvisible(PopupMenuEvent e) { |
| } |
| |
| public void popupMenuCanceled(PopupMenuEvent e) { |
| } |
| }); |
| add(cb); |
| pack(); |
| } |
| |
| public static BasicComboPopup getPopup() { |
| AccessibleContext c = cb.getAccessibleContext(); |
| for(int i = 0; i < c.getAccessibleChildrenCount(); i ++) { |
| if (c.getAccessibleChild(i) instanceof BasicComboPopup) { |
| return (BasicComboPopup) c.getAccessibleChild(i); |
| } |
| } |
| throw new AssertionError("No BasicComboPopup found"); |
| } |
| |
| public static void main(String... args) throws Exception { |
| |
| Robot robot = new Robot(); |
| robot.setAutoDelay(20); |
| |
| SwingUtilities.invokeAndWait(new Runnable() { |
| public void run() { |
| new bug4743225().setVisible(true); |
| } |
| }); |
| robot.waitForIdle(); |
| |
| // calling this method from main thread is ok |
| Point point = cb.getLocationOnScreen(); |
| robot.mouseMove(point.x + 10, point.y + 10); |
| robot.mousePress(InputEvent.BUTTON1_MASK); |
| robot.mouseRelease(InputEvent.BUTTON1_MASK); |
| robot.waitForIdle(); |
| |
| SwingUtilities.invokeAndWait(new Runnable() { |
| public void run() { |
| if(getPopup().getList().getLastVisibleIndex() == 3) { |
| flag = true; |
| } |
| } |
| }); |
| |
| if (!flag) { |
| throw new RuntimeException("The ComboBox popup wasn't correctly updated"); |
| } |
| } |
| } |