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Java example source code file (WindowDragTest.java)

This example Java source code file (WindowDragTest.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

awt, awtexception, dimension, event, frame, mouseadapter, override, point, robot, runtimeexception, windowdragtest

The WindowDragTest.java Java example source code

/*
 * Copyright (c) 2012, 2013, 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 7128738 7161759
  @summary dragged dialog freezes system on dispose
  @author Oleg Pekhovskiy: area=awt.toplevel
  @library ../../regtesthelpers
  @build Util
  @run main WindowDragTest
*/

import java.awt.Frame;
import java.awt.event.InputEvent;
import java.awt.AWTException;
import test.java.awt.regtesthelpers.Util;
import java.awt.Robot;
import java.awt.Point;
import java.awt.Dimension;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;

public class WindowDragTest {

    static boolean passed = false;

    public static void main(String[] args) {
        try {
            Robot robot = new Robot();
            robot.setAutoDelay(1000);

            Frame frame1 = new Frame();
            frame1.setBounds(50, 50, 300, 200);
            frame1.setVisible(true);
            frame1.toFront();
            frame1.addMouseListener(new MouseAdapter() {
                @Override
                public void mouseClicked(MouseEvent e) {
                    // Clicking frame1 succeeded - mouse is not captured
                    passed = true;
                }
            });
            robot.delay(1000);

            Frame frame2 = new Frame();
            frame2.setBounds(100, 100, 300, 200);
            frame2.setVisible(true);
            frame2.toFront();
            robot.delay(1000);

            Point p = frame2.getLocationOnScreen();
            Dimension d = frame2.getSize();

            // Move cursor to frame2 title bar to drag
            robot.mouseMove(p.x + (int)(d.getWidth() / 2), p.y + (int)frame2.getInsets().top / 2);
            Util.waitForIdle(robot);

            // Start window dragging
            robot.mousePress(InputEvent.BUTTON1_MASK);
            Util.waitForIdle(robot);

            // Dispose window being dragged
            frame2.dispose();
            Util.waitForIdle(robot);

            // Release mouse button to be able to get MOUSE_CLICKED event on Util.clickOnComp()
            robot.mouseRelease(InputEvent.BUTTON1_MASK);
            Util.waitForIdle(robot);

            // Click frame1 to check whether mouse is not captured by frame2
            Util.clickOnComp(frame1, robot);
            Util.waitForIdle(robot);

            frame1.dispose();
            if (passed) {
                System.out.println("Test passed.");
            }
            else {
                System.out.println("Test failed.");
                throw new RuntimeException("Test failed.");
            }
        }
        catch (AWTException e) {
            throw new RuntimeException("AWTException occurred - problem creating robot!");
        }
    }
}

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