import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class MouseApplet extends JApplet
{
public void init()
{
getContentPane().add(new PointPanel());
setSize(250,150);
}
}
class PointPanel extends JPanel
{
private Point pt;
public PointPanel()
{
setBackground(Color.yellow);
addMouseListener(new PointListener());
}
public void paintComponent(Graphics page)
{
super.paintComponent(page);
if (pt != null) //if pt is null, nothing can be drawn.
{
page.setColor(Color.magenta);
page.drawString("("+ pt.x + "," + pt.y + ")", pt.x,
pt.y);
page.fillOval(pt.x-2, pt.y-2, 4, 4);
}
}
private class PointListener implements MouseListener
{
public void mousePressed(MouseEvent event)
{
pt = event.getPoint();
repaint();
}
public void mouseReleased(MouseEvent event) {}
public void mouseClicked(MouseEvent event) {}
public void mouseEntered(MouseEvent event) {}
public void mouseExited(MouseEvent event) {}
} //end of PointListener
} //end of PointPanel
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