package 弹球;
import java.awt.event.KeyEvent;  
import java.awt.event.MouseEvent;  
  
import javax.swing.JFrame;  
  
/** 
 * 鼠标监听器的类 
 *  
 * @author Administrator 
 *  
 */  
public class MyListener extends java.awt.event.MouseAdapter {  
    private java.awt.Graphics g;  
    private int x = 5, y = 620;  
    private int width = 100, height = 10;  
  
    public MyListener(java.awt.Graphics g) {  
        this.g = g;  
    }  
  
    public void mouseMoved(MouseEvent e) {  
        // 设置画布对象颜色  
        synchronized (this.g) {  
            g.setColor(java.awt.Color.black);  
            g.fillRect(x, y, width, height);  
            x = e.getX();  
            g.setColor(java.awt.Color.green);  
            g.fillRect(x, y, width, height);  
        }  
    }  
  
    /** 
     * 得到x的方法 
     *  
     * @return：x 
     */  
    public int getX() {  
        return x;  
    }  
  
}