/* * Copyright (c) 2015, 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 @bug 7072653 @summary JComboBox popup mispositioned if its height exceeds the screen height @author Semyon Sadetsky */ import javax.swing.*; import javax.swing.event.PopupMenuEvent; import javax.swing.event.PopupMenuListener; import java.awt.*; import java.awt.Toolkit; public class bug7072653 { private static JComboBox combobox; private static JFrame frame; public static void main(String[] args) throws Exception { try { SwingUtilities.invokeAndWait(new Runnable() { @Override public void run() { frame = new JFrame("JComboBox Test"); setup(frame); } }); test(); } finally { frame.dispose(); } } static void setup(JFrame frame) { frame.setUndecorated(true); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setSize(320, 200); frame.getContentPane().setLayout(new FlowLayout()); combobox = new JComboBox(new DefaultComboBoxModel() { public Object getElementAt(int index) { return "Element " + index; } public int getSize() { return 1000; } }); combobox.setMaximumRowCount(100); frame.getContentPane().add(combobox); frame.setVisible(true); } static void test() throws Exception{ SwingUtilities.invokeAndWait(new Runnable() { @Override public void run() { combobox.addPopupMenuListener(new PopupMenuListener() { @Override public void popupMenuWillBecomeVisible(PopupMenuEvent e) { } @Override public void popupMenuWillBecomeInvisible(PopupMenuEvent e) { int height = 0; for (Window window : JFrame.getWindows()) { if (Window.Type.POPUP == window.getType()) { height = window.getSize().height; break; } } GraphicsConfiguration gc = combobox.getGraphicsConfiguration(); Insets screenInsets = Toolkit.getDefaultToolkit() .getScreenInsets(gc); if (height == gc.getBounds().height - screenInsets.top - screenInsets.bottom ) { System.out.println("ok"); return; } throw new RuntimeException( "Popup window height is wrong " + height); } @Override public void popupMenuCanceled(PopupMenuEvent e) { } }); combobox.setPopupVisible(true); combobox.setPopupVisible(false); } }); } }