Java example source code file (bug7088744.java)

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Java - Java tags/keywords

awt, button_events_sequence, component, event, gui, incorrect, jframe, jlabel, mouse_clicked, mouse_pressed, mouse_released, mouseevent, robot, runnable, runtimeexception, suntoolkit, swing, unexpected

The bug7088744.java Java example source code

/*
 * Copyright (c) 2011, 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 7088744
   @summary SwingUtilities.isMiddleMouseButton does not work with ALT/Meta keys
   @author Pavel Porvatov
*/

import sun.awt.SunToolkit;

import javax.swing.*;
import java.awt.*;
import java.awt.event.InputEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;

public class bug7088744 {
    private static volatile JLabel label;

    private static volatile Point point;

    private static final int MOUSE_CLICKED = 1;
    private static final int MOUSE_PRESSED = 2;
    private static final int MOUSE_RELEASED = 3;

    // Pair with (EventType, Mouse Button)
    private static final int[][] BUTTON_EVENTS_SEQUENCE = {
            {MOUSE_PRESSED, 1},
            {MOUSE_PRESSED, 2},
            {MOUSE_PRESSED, 3},
            {MOUSE_RELEASED, 1},
            {MOUSE_CLICKED, 1},
            {MOUSE_RELEASED, 2},
            {MOUSE_CLICKED, 2},
            {MOUSE_RELEASED, 3},
            {MOUSE_CLICKED, 3}
    };

    private static int eventCount;

    public static void main(String[] args) throws Exception {
        SwingUtilities.invokeAndWait(new Runnable() {
            public void run() {
                Component source = new JLabel();

                MouseEvent mouseEventNoButtons = new MouseEvent(source, 0, System.currentTimeMillis(),
                        Event.ALT_MASK | Event.META_MASK | InputEvent.ALT_DOWN_MASK | InputEvent.META_DOWN_MASK,
                        0, 0, 0, false, MouseEvent.NOBUTTON);

                // isLeftMouseButton
                if (SwingUtilities.isLeftMouseButton(mouseEventNoButtons)) {
                    throw new RuntimeException("SwingUtilities.isLeftMouseButton fails 1");
                }

                if (!SwingUtilities.isLeftMouseButton(new MouseEvent(source, 0, System.currentTimeMillis(),
                        InputEvent.BUTTON1_MASK, 0, 0, 1, false, MouseEvent.BUTTON1))) {
                    throw new RuntimeException("SwingUtilities.isLeftMouseButton fails 2");
                }

                if (!SwingUtilities.isLeftMouseButton(new MouseEvent(source, 0, System.currentTimeMillis(),
                        InputEvent.BUTTON1_DOWN_MASK, 0, 0, 1, false, MouseEvent.BUTTON1))) {
                    throw new RuntimeException("SwingUtilities.isLeftMouseButton fails 3");
                }

                // isMiddleMouseButton
                if (SwingUtilities.isMiddleMouseButton(mouseEventNoButtons)) {
                    throw new RuntimeException("SwingUtilities.isMiddleMouseButton fails 1");
                }

                if (!SwingUtilities.isMiddleMouseButton(new MouseEvent(source, 0, System.currentTimeMillis(),
                        InputEvent.BUTTON2_MASK, 0, 0, 1, false, MouseEvent.BUTTON2))) {
                    throw new RuntimeException("SwingUtilities.isMiddleMouseButton fails 2");
                }

                if (!SwingUtilities.isMiddleMouseButton(new MouseEvent(source, 0, System.currentTimeMillis(),
                        InputEvent.BUTTON2_DOWN_MASK, 0, 0, 1, false, MouseEvent.BUTTON2))) {
                    throw new RuntimeException("SwingUtilities.isMiddleMouseButton fails 3");
                }

                // isRightMouseButton
                if (SwingUtilities.isRightMouseButton(mouseEventNoButtons)) {
                    throw new RuntimeException("SwingUtilities.isRightMouseButton fails 1");
                }

                if (!SwingUtilities.isRightMouseButton(new MouseEvent(source, 0, System.currentTimeMillis(),
                        InputEvent.BUTTON3_MASK, 0, 0, 1, false, MouseEvent.BUTTON3))) {
                    throw new RuntimeException("SwingUtilities.isRightMouseButton fails 2");
                }

                if (!SwingUtilities.isRightMouseButton(new MouseEvent(source, 0, System.currentTimeMillis(),
                        InputEvent.BUTTON3_DOWN_MASK, 0, 0, 1, false, MouseEvent.BUTTON3))) {
                    throw new RuntimeException("SwingUtilities.isRightMouseButton fails 3");
                }
            }
        });

        SwingUtilities.invokeAndWait(new Runnable() {
            public void run() {
                JFrame frame = new JFrame();

                label = new JLabel("A label");

                label.addMouseListener(new MouseAdapter() {
                    public void mouseClicked(MouseEvent e) {
                        processEvent(MOUSE_CLICKED, e);
                    }

                    public void mousePressed(MouseEvent e) {
                        processEvent(MOUSE_PRESSED, e);
                    }

                    public void mouseReleased(MouseEvent e) {
                        processEvent(MOUSE_RELEASED, e);
                    }
                });
                frame.add(label);
                frame.setSize(200, 100);
                frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
                frame.setVisible(true);
            }
        });

        SunToolkit toolkit = (SunToolkit) Toolkit.getDefaultToolkit();

        toolkit.realSync();

        // On Linux platforms realSync doesn't guaranties setSize completion
        Thread.sleep(1000);

        SwingUtilities.invokeAndWait(new Runnable() {
            public void run() {
                point = label.getLocationOnScreen();
            }
        });

        Robot robot = new Robot();

        robot.setAutoDelay(100);
        robot.mouseMove(point.x, point.y);
        robot.mousePress(InputEvent.BUTTON1_MASK);
        robot.mousePress(InputEvent.BUTTON2_MASK);
        robot.mousePress(InputEvent.BUTTON3_MASK);
        robot.mouseRelease(InputEvent.BUTTON1_MASK);
        robot.mouseRelease(InputEvent.BUTTON2_MASK);
        robot.mouseRelease(InputEvent.BUTTON3_MASK);

        toolkit.realSync();

        SwingUtilities.invokeAndWait(new Runnable() {
            public void run() {
                if (eventCount != BUTTON_EVENTS_SEQUENCE.length) {
                    throw new RuntimeException("Not all events received");
                }

            }
        });

        System.out.println("Test passed");
    }

    private static void processEvent(int eventType, MouseEvent e) {
        if (eventCount >= BUTTON_EVENTS_SEQUENCE.length) {
            throw new RuntimeException("Unexpected event " + e);
        }

        int[] arr = BUTTON_EVENTS_SEQUENCE[eventCount];

        if (arr[0] != eventType) {
            throw new RuntimeException("Unexpected eventType " + eventType + "on step " + eventCount);
        }

        boolean result;

        switch (arr[1]) {
            case 1:
                result = SwingUtilities.isLeftMouseButton(e);

                break;

            case 2:
                result = SwingUtilities.isMiddleMouseButton(e);

                break;

            case 3:
                result = SwingUtilities.isRightMouseButton(e);

                break;

            default:
                throw new RuntimeException("Incorrect arr[1] on step " + eventCount);
        }

        if (!result) {
            throw new RuntimeException("Test failed on step " + eventCount);
        }

        eventCount++;
    }
}