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 * Copyright (c) 2003, 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
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 * questions.
 */

/*
 * @test
 * @bug 4845868
 * @summary REGRESSION: First keystroke after JDialog is closed is lost
 * @key headful
 * @run main KeyStrokeTest
 */

import java.awt.Button;
import java.awt.Dialog;
import java.awt.EventQueue;
import java.awt.Frame;
import java.awt.Robot;
import java.awt.TextField;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;

public class KeyStrokeTest {
    static boolean keyTyped;
    static Frame frame;
    static Robot robot;
    static final CountDownLatch latch = new CountDownLatch(1);

    public static void main(String[] args) throws Exception {
        robot = new Robot();
        try {
            EventQueue.invokeAndWait(() -> {
                KeyStrokeTest test = new KeyStrokeTest();
                test.initTest();
            });
            robot.waitForIdle();
            robot.delay(1000);
            robot.keyPress(KeyEvent.VK_TAB);
            robot.keyRelease(KeyEvent.VK_TAB);

            robot.delay(1000);
            robot.keyPress(KeyEvent.VK_SPACE);
            robot.keyRelease(KeyEvent.VK_SPACE);

            robot.delay(1000);
            robot.keyPress(KeyEvent.VK_A);
            robot.keyRelease(KeyEvent.VK_A);
            try {
                latch.await(3, TimeUnit.SECONDS);
            } catch (InterruptedException e) {}
            if (!keyTyped) {
                throw new
                RuntimeException("First keystroke after JDialog is closed is lost");
            }
            System.out.println("Test passed");
        } finally {
            EventQueue.invokeAndWait(() -> {
                if (frame != null) {
                    frame.dispose();
                }
            });
        }
    }

    private static void initTest() {
        frame = new Frame("KeyStrokeTest");
        TextField textField = new TextField() {
                public void transferFocus() {
                    System.err.println("transferFocus()");
                    final Dialog dialog = new Dialog(frame, true);
                    Button btn = new Button("Close It");
                    btn.addActionListener(new ActionListener() {
                            public void actionPerformed(ActionEvent e) {
                                System.err.println("action performed");
                                dialog.setVisible(false);
                            }
                        });
                    dialog.add(btn);
                    dialog.setSize(200, 200);
                    dialog.setLocationRelativeTo(null);
                    dialog.setVisible(true);
                }
            };

        textField.addKeyListener(new KeyAdapter() {
                public void keyTyped(KeyEvent e) {
                    System.err.println(e);
                    if (e.getKeyChar() == 'a') {
                        keyTyped = true;
                    }
                    latch.countDown();
                }
            });
        frame.add(textField);
        frame.setSize(400, 400);
        frame.setLocationRelativeTo(null);
        frame.setVisible(true);
    }
}