SWT学习笔记4——系统托盘 system tray

import org.eclipse.swt.widgets.Display;import org.eclipse.swt.widgets.Menu;import org.eclipse.swt.widgets.Shell;import org.eclipse.swt.widgets.Tray;import org.eclipse.swt.widgets.TrayItem;import org.eclipse.swt.SWT;import org.eclipse.swt.events.MenuDetectListener;import org.eclipse.swt.events.MenuDetectEvent;import org.eclipse.swt.widgets.MenuItem;import org.eclipse.swt.events.SelectionAdapter;import org.eclipse.swt.events.SelectionEvent;import org.eclipse.swt.graphics.Image;/** * 测试SWT的系统托盘用法，同时用到了menu等 *version: 2012_03_30 */public class TestSystemTray {public static void main(String[] args) {Display display = Display.getDefault();final Shell shell = new Shell();shell.setSize(230, 150);shell.setText("测试系统托盘");//添加系统托盘的menu，注意父组件是shellfinal Menu menu = new Menu(shell);//shell.setMenu(menu);//加上此句的话在主界面右键也会打开该menuMenuItem mntmShowShell = new MenuItem(menu, SWT.NONE);mntmShowShell.addSelectionListener(new SelectionAdapter() {@Overridepublic void widgetSelected(SelectionEvent e) {System.out.println(e);shell.setVisible(true);shell.setFocus();//没有此句可能在其他窗口下面}});mntmShowShell.setText("showShell");MenuItem mntmhideShell = new MenuItem(menu, SWT.NONE);mntmhideShell.addSelectionListener(new SelectionAdapter() {@Overridepublic void widgetSelected(SelectionEvent e) {System.out.println(e);shell.setVisible(false);}});mntmhideShell.setText("hideShell");//Tray sysTray=display.getSystemTray();TrayItem trayItem = new TrayItem(sysTray, SWT.NONE);//trayItem.setImage(display.getSystemImage(SWT.ICON_ERROR));trayItem.setImage(new Image(display, "hu.jpg"));trayItem.setToolTipText("test system tray");//鼠标右键单击系统托盘事件trayItem.addMenuDetectListener(new MenuDetectListener() {public void menuDetected(MenuDetectEvent e) {System.out.println(e);menu.setVisible(true);}});//鼠标左键双击系统托盘事件trayItem.addSelectionListener(new SelectionAdapter() {@Overridepublic void widgetDefaultSelected(SelectionEvent e) {System.out.println(e);shell.setVisible(!shell.isVisible());if(shell.isVisible())shell.setFocus();//没有此句可能在其他窗口下面}});shell.open();shell.layout();while (!shell.isDisposed()) {if (!display.readAndDispatch()) {display.sleep();}}menu.dispose();sysTray.dispose();//没有此句的话任务栏图标不会立即消失，鼠标滑过时才会消失！！！}}