mouseeventexample.java

eclipse里面的每种监听器的实现.非常适合编写eclipse插件的入门者

package com.free.event;

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.MouseEvent;
import org.eclipse.swt.events.MouseListener;
import org.eclipse.swt.events.MouseMoveListener;
import org.eclipse.swt.events.MouseTrackListener;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;

/**
 * <p>Title: Eclipse Plugin Development</p>
 * <p>Description: Free download</p>
 * <p>Copyright: Copyright (c) 2006</p>
 * <p>Company: Free</p>
 * @author gan.shu.man
 * @version 1.0
 */
public class MouseEventExample implements MouseListener, MouseMoveListener,
		MouseTrackListener {

	// The label to hold the messages from mouse events
	Label myLabel = null;

	Shell shell = null;

	/**
	 * MouseEventExample constructor
	 * 
	 * @param shell
	 *            the shell
	 */
	public MouseEventExample() {

	}

	public void run() {
		Display display = new Display();
		Shell shell = new Shell(display);
		shell.setLayout(new GridLayout());
		shell.setSize(450, 200);
		shell.setText("Mouse Event Example");

		myLabel = new Label(shell, SWT.BORDER);
		myLabel.setText("I ain't afraid of any old mouse");
		shell.addMouseListener(this);
		shell.addMouseMoveListener(this);
		shell.addMouseTrackListener(this);

		// Display the window
		shell.open();
		while (!shell.isDisposed()) {
			if (!display.readAndDispatch()) {
				display.sleep();
			}
		}
		display.dispose();
	}

	/**
	 * The application entry point
	 * 
	 * @param args
	 *            the command line arguments
	 */
	public static void main(String[] args) {

		new MouseEventExample().run();
	}

	/**
	 * Called when user double-clicks the mouse
	 */
	public void mouseDoubleClick(MouseEvent e) {
		myLabel.setText("Double Click " + e.button + " at: " + e.x + "," + e.y);
		System.out.println("Double Click " + e.button + " at: " + e.x + ","
				+ e.y);
	}

	/**
	 * Called when user clicks the mouse
	 */
	public void mouseDown(MouseEvent e) {
		myLabel.setText("Button " + e.button + " Down at: " + e.x + "," + e.y);
		System.out.println("Button " + e.button + " Down at: " + e.x + ","
				+ e.y);
	}

	/**
	 * Called when user releases the mouse after clicking
	 */
	public void mouseUp(MouseEvent e) {
		myLabel.setText("Button " + e.button + " Up at: " + e.x + "," + e.y);
		System.out.println("Button " + e.button + " Up at: " + e.x + "," + e.y);
	}

	/**
	 * Called when user moves the mouse
	 */
	public void mouseMove(MouseEvent e) {
		myLabel.setText("Mouse Move at: " + e.x + "," + e.y);
		 System.out.println("Mouse Move at: " + e.x + "," + e.y);
	}

	/**
	 * Called when user enters the shell with the mouse
	 */
	public void mouseEnter(MouseEvent e) {
		myLabel.setText("Mouse Enter at: " + e.x + "," + e.y);
		System.out.println("Mouse Enter at: " + e.x + "," + e.y);
	}

	/**
	 * Called when user exits the shell with the mouse
	 */
	public void mouseExit(MouseEvent e) {
		myLabel.setText("Mouse Exit at: " + e.x + "," + e.y);
		System.out.println("Mouse Exit at: " + e.x + "," + e.y);
	}

	/**
	 * Called when user hovers the mouse
	 */
	public void mouseHover(MouseEvent e) {
		myLabel.setText("Mouse Hover at: " + e.x + "," + e.y);
		System.out.println("Mouse Hover at: " + e.x + "," + e.y);
	}
}