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Java example source code file (F10TopToplevel.java)

This example Java source code file (F10TopToplevel.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

actionevent, actionlistener, applet, awt, borderlayout, dialog, end, event, f10toptoplevel, frame, menu, menubar, menuitem, oops, robot, runtimeexception

The F10TopToplevel.java Java example source code

/*
 * Copyright (c) 2007, 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 6533175
  @summary Block F10 if closest toplevel to keystroke target is not a Frame.
  @author yuri nesterenko : area=awt.toplevel
  @run applet F10TopToplevel.html
*/



/**
 * F10TopToplevel.java
 *
 * summary: tests if F10 has no effect if focused toplevel if not Frame
 */

import java.applet.Applet;
import java.awt.*;
import java.awt.event.*;


public class F10TopToplevel extends Applet
{
    //Declare things used in the test, like buttons and labels here
    Frame frame;
    Dialog dialog;
    volatile boolean menuToggled = false;

    public void init()
    {
        setLayout (new BorderLayout ());

    }//End  init()

    public void start ()
    {
        //Get things going.  Request focus, set size, et cetera
        setSize (200,200);
        setVisible(true);
        validate();


        //What would normally go into main() will probably go here.
        //Use System.out.println for diagnostic messages that you want
        //to read after the test is done.
        MenuBar mb;
        Menu menu;
        MenuItem item;
        frame = new Frame("am below");
        frame.setMenuBar( (mb=new MenuBar()) );
        menu = new Menu("nu");
        menu.add((item = new MenuItem("item")));
        item.addActionListener( new ActionListener() {
            public void actionPerformed( ActionEvent ae ) {
                menuToggled = true;
            }
        });
        mb.add(menu);

        frame.setSize(200,200);
        frame.setLocation( 400,100 );
        frame.setVisible( true );

        dialog = new Dialog(frame);
        dialog.setSize( 100,100 );
        dialog.setVisible(true);

        Robot robot;
        try {
            robot = new Robot();
        } catch(AWTException e){
            throw new RuntimeException("cannot create robot.", e);
        }
        ((sun.awt.SunToolkit)Toolkit.getDefaultToolkit()).realSync();
        robot.mouseMove(dialog.getLocationOnScreen().x + dialog.getWidth()/2,
                        dialog.getLocationOnScreen().y + dialog.getHeight()/2 );
        robot.delay(5);
        robot.mousePress(InputEvent.BUTTON1_MASK);
        robot.delay(5);
        robot.mouseRelease(InputEvent.BUTTON1_MASK);
        robot.delay(5);
        robot.keyPress(KeyEvent.VK_F10);
        robot.delay(5);
        robot.keyRelease(KeyEvent.VK_F10);
        robot.delay(5);

        robot.delay(10);
        robot.keyPress(KeyEvent.VK_ENTER);
        robot.delay(5);
        robot.keyRelease(KeyEvent.VK_ENTER);
        robot.delay(5);

        ((sun.awt.SunToolkit)Toolkit.getDefaultToolkit()).realSync();

        if(menuToggled) {
            throw new RuntimeException("Oops! Menu should not open.");
        }

    }// start()

}// class F10TopToplevel

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