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/*
* Copyright (c) 1999, 2024, 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 4128659
* @summary Tests whether a focus request will work on a focus lost event.
* @key headful
* @run main FocusKeepTest
*/
import java.awt.BorderLayout;
import java.awt.KeyboardFocusManager;
import java.awt.Robot;
import java.awt.event.FocusAdapter;
import java.awt.event.FocusEvent;
import java.awt.event.KeyEvent;
import javax.swing.JFrame;
import javax.swing.JTextField;
import javax.swing.SwingUtilities;
public class FocusKeepTest {
static JFrame frame;
static JTextField tf;
public static void main(String[] args) throws Exception {
Robot robot = new Robot();
robot.setAutoDelay(100);
try {
SwingUtilities.invokeAndWait(() -> createTestUI());
robot.waitForIdle();
robot.delay(1000);
robot.keyPress(KeyEvent.VK_TAB);
robot.keyRelease(KeyEvent.VK_TAB);
if (KeyboardFocusManager.getCurrentKeyboardFocusManager().getFocusOwner() instanceof JTextField tf1) {
if (!tf1.getText().equals("TextField 1")) {
throw new RuntimeException("Focus on wrong textfield");
}
} else {
throw new RuntimeException("Focus not on correct component");
}
} finally {
SwingUtilities.invokeAndWait(() -> {
if (frame != null) {
frame.dispose();
}
});
}
}
private static void createTestUI() {
frame = new JFrame("FocusKeepTest");
tf = new JTextField("TextField 1");
tf.addFocusListener(new MyFocusAdapter("TextField 1"));
frame.add(tf, BorderLayout.NORTH);
tf = new JTextField("TextField 2");
tf.addFocusListener(new MyFocusAdapter("TextField 2"));
frame.add(tf, BorderLayout.SOUTH);
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
static class MyFocusAdapter extends FocusAdapter {
private String myName;
public MyFocusAdapter (String name) {
myName = name;
}
public void focusLost (FocusEvent e) {
if (myName.equals ("TextField 1")) {
e.getComponent().requestFocus ();
}
}
public void focusGained (FocusEvent e) {
}
}
}
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