SWT实现任务栏图标（系统托盘），带菜单和ToolTip

原帖地址：http://www.blogjava.net/vip01/archive/2006/12/26/90127.html

 

import org.eclipse.swt.SWT; import org.eclipse.swt.events.ShellListener; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.internal.win32.OS; 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 MyTray { public static void main(String[] args) { Display display = new Display(); Shell shell = new Shell(display); // 下面两句的效果是：在任务栏不显示 // 感谢优快云会员：GhostValley(鬼谷) final int hWnd = shell.handle; OS.SetWindowLong(hWnd, OS.GWL_EXSTYLE, OS.WS_EX_CAPTIONOKBTN); 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"); // show main Shell s = event.display.getShells()[0]; s.setVisible(true); s.setMinimized(false); } }); 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); } item.addListener(SWT.MenuDetect, new Listener() { public void handleEvent(Event event) { menu.setVisible(true); } }); item.setImage(image); } shell.addShellListener(new ShellListener() { public void shellDeactivated(org.eclipse.swt.events.ShellEvent e) { } public void shellActivated(org.eclipse.swt.events.ShellEvent e) { } public void shellClosed(org.eclipse.swt.events.ShellEvent e) { } public void shellDeiconified(org.eclipse.swt.events.ShellEvent e) { } public void shellIconified(org.eclipse.swt.events.ShellEvent e) { // 最小化时不显示在任务栏 // 感谢优快云会员：pdvv(我爱花猫) ((Shell) e.getSource()).setVisible(false); } }); shell.setBounds(50, 50, 300, 200); shell.open(); while (!shell.isDisposed()) { if (!display.readAndDispatch()) display.sleep(); } image.dispose(); display.dispose(); } }