/**
 * ClickableFrame illustrates the MouseListener interface.
 * 
 * @author Jeff Ondich
 * @version 2/24/05
 */

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class ClickableFrame
                extends JFrame
                implements MouseListener
{
    private int x;
    private int y;
    private String message;

    public ClickableFrame( String title, String mess )
    {
        // Arrange for mouse events to be sent to this window.
        addMouseListener( this );

        // Initialize the window.
        setSize( 500, 600 );
        setLocation( 20, 20 );
        setTitle( title );
        setBackground( Color.white );
        toFront();
        setVisible( true );

        // Initialize the text location and message.
        x = 200;
        y = 100;
        message = mess;
    }

    public void paint( Graphics g )
    {
        g.clearRect( 0, 0, getWidth(), getHeight() );
        if( message != null )
            g.drawString( message, x, y );
    }

    public void mousePressed( MouseEvent e )
    {
        x = e.getX();
        y = e.getY();
        message = "<Ouch!>";
        repaint();
    }

    public void mouseReleased( MouseEvent e )
    {
    }

    public void mouseClicked( MouseEvent e )
    {
    }

    public void mouseEntered( MouseEvent e )
    {
    }

    public void mouseExited( MouseEvent e )
    {
    }

    public void mouseDragged( MouseEvent e )
    {
    }


    public static void main( String[] args )
    {
        ClickableFrame window = new ClickableFrame( "This is clickable", "<Click me>" );
        window.repaint();

        // Arrange for the program to shut down when you close the window.
        window.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
    }
}