鼠标在图片上移动,在图片旁边的文本框显示鼠标的坐标,急,高分奉送!
周三径 2006-08-20 12:14:18 各位大虾,我将一个JPG图片显示到一个放到FRAME框架的PANEL面扳上。我希望当鼠标在图片上移动时,在图片旁边的文本框显示鼠标的坐标。我知道直接取鼠标坐标的方法(如下),但是当PANEL面扳中有图片时,就不知如何取了,请各位大虾指点一二!
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
class myJF extends JFrame
{
JTextField jtfX;
JTextField jtfY;
public myJF(String title)
{
super("title");
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
Container c=this.getContentPane();
c.setLayout(new FlowLayout(FlowLayout.CENTER));
jtfX=new JTextField(7);
jtfY=new JTextField(7);
c.add(jtfX);
c.add(jtfY);
myMMA mma=new myMMA();
this.addMouseMotionListener(mma);
myMA ma=new myMA();
this.addMouseListener(ma);
}
class myMMA extends MouseMotionAdapter
{
public void mouseMoved(MouseEvent e)
{
jtfX.setText(String.valueOf(e.getX()));
jtfY.setText(String.valueOf(e.getY()));
}
}
class myMA extends MouseAdapter
{
public void mouseExited(MouseEvent e)
{
jtfX.setText("");
jtfY.setText("");
}
}
}
public class start
{
public static void main(String[] args)
{
myJF.setDefaultLookAndFeelDecorated(true);
myJF tmp=new myJF("测试");
tmp.setSize(500,400);
tmp.setBackground(Color.darkGray);
tmp.setVisible(true);
}
}