mouseevents.java

这是我们上java课时自己编的几个测试小程序

/**
 * @(#)MouseEvents.java
 *
 *
 * @author 
 * @version 1.00 2007/11/4
 */


import java.awt.*;
import java.awt.event.*;
import java.applet.*;
public class MouseEvents extends Applet
implements MouseListener,MouseMotionListener
{   String msg="";
    int mouseX=0,mouseY=0;
    public void init()
    {       addMouseListener(this);
  	        addMouseMotionListener(this);   }
    public void mouseClicked(MouseEvent me)
    {   	mouseX=0;  	        mouseY=10;
  	        msg="Mouse Clicked.";        repaint( ); 
     }
     public void mouseEntered(MouseEvent me)
     {   	mouseX=0;              mouseY=10;
  	        msg="Mouse entered.";  	repaint();
     }
      public void mouseExited(MouseEvent me)
  {  	mouseX=0;
  	        mouseY=10;
  		msg="Mouse Exited.";
    		repaint( );  	}
  public void mousePressed(MouseEvent me)
  {	  	mouseX=me.getX();
  		mouseY=me.getY();
  		msg="Down";
    		repaint( );	  }
  public void mouseReleased(MouseEvent me)
  {  	mouseX=me.getX();
  		mouseY=me.getY();
  		msg="Up";
  		repaint( ); 	  }
  
public void mouseDragged(MouseEvent me)
  {  mouseX=me.getX( );
  	mouseY=me.getY( );
  	msg="*";
  	showStatus("Dragging mouse at "+mouseX+","+mouseY);
  	repaint( );
  }
  public void mouseMoved(MouseEvent me)
  { 	showStatus("Moving mouse at "+me.getX( )+","+me.getY( ));
  }
  public void paint(Graphics g)
  { 	g.drawString(msg,mouseX,mouseY);
  }
}