snippet89.java

对于可视的桌面开发系统的一些详细的设计资料

/*******************************************************************************
 * 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
 *******************************************************************************/
package org.eclipse.swt.snippets;
 
/*
 * Menu example snippet: create a menu with radio items
 *
 * For a list of all SWT example snippets see
 * http://www.eclipse.org/swt/snippets/
 */
import org.eclipse.swt.*;
import org.eclipse.swt.widgets.*;
import org.eclipse.swt.events.*;

public class Snippet89 {
public static void main (String [] args) {
	Display display = new Display ();
	Shell shell = new Shell (display);
	Menu menu = new Menu (shell, SWT.POP_UP);
	for (int i=0; i<4; i++) {
		MenuItem item = new MenuItem (menu, SWT.RADIO);
		item.setText ("Item " + i);
		item.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent e) {
				MenuItem item = (MenuItem)e.widget;
				if (item.getSelection ()) {
					System.out.println (item + " selected");
				} else {
					System.out.println (item + " unselected");
				}
			}
		});
	}
	shell.setMenu (menu);
	shell.setSize (300, 300);
	shell.open ();
	while (!shell.isDisposed ()) {
		if (!display.readAndDispatch ()) display.sleep ();
	}
	display.dispose ();
}
}