/*
 * Copyright (c) 1995-1997 Sun Microsystems, Inc. All Rights Reserved.
 *
 * Permission to use, copy, modify, and distribute this software
 * and its documentation for NON-COMMERCIAL purposes and without
 * fee is hereby granted provided that this copyright notice
 * appears in all copies. Please refer to the file "copyright.html"
 * for further important copyright and licensing information.
 *
 * SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
 * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
 * TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
 * PARTICULAR PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR
 * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
 * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
 */
import java.applet.Applet;
import java.awt.*;
import java.awt.event.*;

public class Spot extends Applet implements MouseListener {
    private java.awt.Point clickPoint = null;
    private static final int RADIUS = 7;

    public void init() {
	addMouseListener(this);
    }
    public void paint(Graphics g) {
	g.drawRect(0, 0, getSize().width - 1,
			 getSize().height - 1);
	if (clickPoint != null)
	    g.fillOval(clickPoint.x - RADIUS,
		       clickPoint.y - RADIUS,
		       RADIUS * 2, RADIUS * 2);
    }
    public void mousePressed(MouseEvent event) {	
	clickPoint = event.getPoint();
	repaint();
    }
    public void mouseClicked(MouseEvent event) {}
    public void mouseReleased(MouseEvent event) {}
    public void mouseEntered(MouseEvent event) {}
    public void mouseExited(MouseEvent event) {}
}