testmouselistener.java

java2 primer plus一书源程序

/*
 * TestMouseListener.java
 *
 * Created on July 30, 2002, 2:36 PM
 */

package ch14;
import java.awt.*;
import java.awt.event.*;

/**
 *
 * @author  Stephen Potts
 * @version
 */
public class TestMouseListener extends Frame implements MouseListener
{
   Button btnExit;
   
   /** Creates new TestComponentListener*/
   public TestMouseListener()
   {
      btnExit = new Button("Exit");
      btnExit.setFont(new Font("Courier", Font.BOLD, 24));

      btnExit.setBackground(Color.cyan);
      addMouseListener(this);
      
      add(btnExit);
      this.setLayout(new FlowLayout());
     
      addWindowListener(new WinCloser());
      setTitle("Using a ComponentListener");
      setBounds( 100, 100, 300, 300);
      setVisible(true);
   }
   
   public void mouseEntered(MouseEvent me)
   {
       System.out.println("Mouse Entered");
       System.out.println(me.getComponent().getName());
   }
   public void mouseExited(MouseEvent me)
   {
       System.out.println("Mouse Exited");
       System.out.println(me.getComponent().getName());
   }
   public void mousePressed(MouseEvent me)
   {
       System.out.println("Mouse Pressed");
   }
   public void mouseReleased(MouseEvent me)
   {
       System.out.println("Mouse Released");
   }
  
   public void mouseClicked(MouseEvent me)
   {
       System.out.println("Mouse Clicked");
   }
  
    
   public static void main(String[] args)
   {
      TestMouseListener tml = new TestMouseListener();
   }
   
}

class WinCloser extends WindowAdapter
{
   public void windowClosing(WindowEvent e)
   {
      System.exit(0);
   }
}