MouseButtonState.java Source code

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Here is the source code for MouseButtonState.java

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/*******************************************************************************
 * Copyright (c) 2000, 2004 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
/*
 * Control example snippet: print mouse state and button (down, move, up)
 * 
 * For a list of all SWT example snippets see
 * http://www.eclipse.org/swt/snippets/
 * 
 * @since 3.1
 */
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;

public class MouseButtonState {

    public static void main(String[] args) {
        Display display = new Display();
        final Shell shell = new Shell(display);
        Listener listener = new Listener() {
            public void handleEvent(Event e) {
                String string = "Unknown";
                switch (e.type) {
                case SWT.MouseDown:
                    string = "DOWN";
                    break;
                case SWT.MouseMove:
                    string = "MOVE";
                    break;
                case SWT.MouseUp:
                    string = "UP";
                    break;
                }
                string += ": button: " + e.button + ", ";
                string += "stateMask=0x" + Integer.toHexString(e.stateMask);
                if ((e.stateMask & SWT.BUTTON1) != 0)
                    string += " BUTTON1";
                if ((e.stateMask & SWT.BUTTON2) != 0)
                    string += " BUTTON2";
                if ((e.stateMask & SWT.BUTTON3) != 0)
                    string += " BUTTON3";
                if ((e.stateMask & SWT.BUTTON4) != 0)
                    string += " BUTTON4";
                if ((e.stateMask & SWT.BUTTON5) != 0)
                    string += " BUTTON5";
                System.out.println(string);
            }
        };
        shell.addListener(SWT.MouseDown, listener);
        shell.addListener(SWT.MouseMove, listener);
        shell.addListener(SWT.MouseUp, listener);
        shell.pack();
        shell.open();
        while (!shell.isDisposed()) {
            if (!display.readAndDispatch())
                display.sleep();
        }
        display.dispose();
    }
}