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/*
* Copyright (c) 2002, 2025, 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 4618767
* @summary First letter navigation in JTree interferes with mnemonics
* @key headful
* @run main bug4618767
*/
import java.awt.Robot;
import java.awt.event.FocusAdapter;
import java.awt.event.FocusEvent;
import java.awt.event.KeyEvent;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JTree;
import javax.swing.SwingUtilities;
import javax.swing.event.MenuEvent;
import javax.swing.event.MenuListener;
public class bug4618767 {
private static JFrame f;
private static final JTree tree = new
JTree(new String[] {"one", "two", "three", "four"});
private static boolean menuSelected;
private static CountDownLatch listGainedFocusLatch = new CountDownLatch(1);
public static void main(String[] args) throws Exception {
try {
SwingUtilities.invokeAndWait(() -> {
f = new JFrame("bug4618767 Test");
JMenu menu = new JMenu("File");
menu.setMnemonic('F');
JMenuItem menuItem = new JMenuItem("item");
menu.add(menuItem);
JMenuBar menuBar = new JMenuBar();
menuBar.add(menu);
f.setJMenuBar(menuBar);
menu.addMenuListener(new MenuListener() {
public void menuCanceled(MenuEvent e) {}
public void menuDeselected(MenuEvent e) {}
public void menuSelected(MenuEvent e) {
menuSelected = true;
}
});
tree.addFocusListener(new FocusAdapter() {
@Override
public void focusGained(FocusEvent e) {
listGainedFocusLatch.countDown();
}
});
f.add(tree);
f.pack();
f.setLocationRelativeTo(null);
f.setAlwaysOnTop(true);
f.setVisible(true);
});
runTest();
} finally {
SwingUtilities.invokeAndWait(() -> {
if (f != null) {
f.dispose();
}
});
}
}
private static void runTest() throws Exception {
if (!listGainedFocusLatch.await(3, TimeUnit.SECONDS)) {
throw new RuntimeException("Waited too long, but can't gain" +
" focus for list");
}
Robot robot = new Robot();
robot.setAutoDelay(200);
robot.waitForIdle();
robot.keyPress(KeyEvent.VK_O);
robot.keyRelease(KeyEvent.VK_O);
robot.waitForIdle();
robot.keyPress(KeyEvent.VK_ALT);
robot.keyPress(KeyEvent.VK_F);
robot.keyRelease(KeyEvent.VK_F);
robot.keyRelease(KeyEvent.VK_ALT);
SwingUtilities.invokeAndWait(() -> {
if (menuSelected && !tree.getSelectionPath()
.getLastPathComponent().toString().equals("one")) {
throw new RuntimeException("Mnemonics interferes with JTree" +
" item selection using KeyEvent");
}
});
}
}
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