Java Tutorial/SWT/System Tray

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17. Place an icon with a popup menu on the system tray

   <source lang="java">

/*******************************************************************************

* Copyright (c) 2000, 2005 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; /*

* Tray example snippet: place an icon with a popup menu on the system tray
*
* For a list of all SWT example snippets see
* http://www.eclipse.org/swt/snippets/
* 
* @since 3.0
*/

import org.eclipse.swt.SWT; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Event; import org.eclipse.swt.widgets.Listener; import org.eclipse.swt.widgets.Menu; import org.eclipse.swt.widgets.MenuItem; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Tray; import org.eclipse.swt.widgets.TrayItem; public class SystemTrayIconPopup {

 public static void main(String[] args) {
   Display display = new Display();
   Shell shell = new Shell(display);
   Image image = new Image(display, 16, 16);
   final Tray tray = display.getSystemTray();
   if (tray == null) {
     System.out.println("The system tray is not available");
   } else {
     final TrayItem item = new TrayItem(tray, SWT.NONE);
     item.setToolTipText("SWT TrayItem");
     item.addListener(SWT.Show, new Listener() {
       public void handleEvent(Event event) {
         System.out.println("show");
       }
     });
     item.addListener(SWT.Hide, new Listener() {
       public void handleEvent(Event event) {
         System.out.println("hide");
       }
     });
     item.addListener(SWT.Selection, new Listener() {
       public void handleEvent(Event event) {
         System.out.println("selection");
       }
     });
     item.addListener(SWT.DefaultSelection, new Listener() {
       public void handleEvent(Event event) {
         System.out.println("default selection");
       }
     });
     final Menu menu = new Menu(shell, SWT.POP_UP);
     for (int i = 0; i < 8; i++) {
       MenuItem mi = new MenuItem(menu, SWT.PUSH);
       mi.setText("Item" + i);
       mi.addListener(SWT.Selection, new Listener() {
         public void handleEvent(Event event) {
           System.out.println("selection " + event.widget);
         }
       });
       if (i == 0)
         menu.setDefaultItem(mi);
     }
     item.addListener(SWT.MenuDetect, new Listener() {
       public void handleEvent(Event event) {
         menu.setVisible(true);
       }
     });
     item.setImage(image);
   }
 //  shell.setBounds(50, 50, 300, 200);

// shell.open();

   while (!shell.isDisposed()) {
     if (!display.readAndDispatch())
       display.sleep();
   }
   image.dispose();
   display.dispose();
 }

}</source>