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/*
* Copyright (c) 2015, 2017, 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 7072653 8144161 8176448
* @summary JComboBox popup mispositioned if its height exceeds the screen height
* @run main bug7072653
*/
import java.awt.FlowLayout;
import java.awt.GraphicsConfiguration;
import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;
import java.awt.Insets;
import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.Toolkit;
import java.awt.Window;
import javax.swing.DefaultComboBoxModel;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;
import javax.swing.event.PopupMenuEvent;
import javax.swing.event.PopupMenuListener;
public class bug7072653 {
private static JComboBox combobox;
private static JFrame frame;
private static Robot robot;
public static void main(String[] args) throws Exception {
robot = new Robot();
GraphicsEnvironment ge =
GraphicsEnvironment.getLocalGraphicsEnvironment();
UIManager.LookAndFeelInfo[] lookAndFeelArray =
UIManager.getInstalledLookAndFeels();
for (GraphicsDevice sd : ge.getScreenDevices()) {
for (UIManager.LookAndFeelInfo lookAndFeelItem : lookAndFeelArray) {
executeCase(lookAndFeelItem.getClassName(), sd);
robot.waitForIdle();
}
}
}
private static void executeCase(String lookAndFeelString, GraphicsDevice sd)
throws Exception {
if (tryLookAndFeel(lookAndFeelString)) {
SwingUtilities.invokeAndWait(() -> {
try {
setup(lookAndFeelString, sd);
test();
} catch (Exception ex) {
throw new RuntimeException(ex);
} finally {
frame.dispose();
}
});
}
}
private static void setup(String lookAndFeelString, GraphicsDevice sd)
throws Exception {
GraphicsConfiguration gc = sd.getDefaultConfiguration();
Rectangle gcBounds = gc.getBounds();
frame = new JFrame("JComboBox Test " + lookAndFeelString, gc);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setSize(400, 200);
frame.getContentPane().setLayout(new FlowLayout());
frame.setLocation(
gcBounds.x + gcBounds.width / 2 - frame.getWidth() / 2,
gcBounds.y + gcBounds.height / 2 - frame.getHeight() / 2);
combobox = new JComboBox(new DefaultComboBoxModel() {
@Override
public Object getElementAt(int index) {
return "Element " + index;
}
@Override
public int getSize() {
return 100;
}
});
combobox.setMaximumRowCount(100);
combobox.putClientProperty("JComboBox.isPopDown", true);
frame.getContentPane().add(combobox);
frame.setVisible(true);
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()) {
if (window.getOwner().isVisible()) {
height = window.getSize().height;
break;
}
}
}
GraphicsConfiguration gc = combobox.getGraphicsConfiguration();
Insets insets = Toolkit.getDefaultToolkit().getScreenInsets(gc);
int gcHeight = gc.getBounds().height;
gcHeight = gcHeight - insets.top - insets.bottom;
if (height == gcHeight) {
return;
}
String exception = "Popup window height "
+ "For LookAndFeel" + lookAndFeelString + " is wrong"
+ "\nShould be " + gcHeight + ", Actually " + height;
throw new RuntimeException(exception);
}
@Override
public void popupMenuCanceled(PopupMenuEvent e) {
}
});
}
private static void test() throws Exception {
combobox.setPopupVisible(true);
combobox.setPopupVisible(false);
}
private static boolean tryLookAndFeel(String lookAndFeelString)
throws Exception {
try {
UIManager.setLookAndFeel(
lookAndFeelString);
} catch (UnsupportedLookAndFeelException
| ClassNotFoundException
| InstantiationException
| IllegalAccessException e) {
return false;
}
return true;
}
}
|
