/**
 * TypeableFrame.java
 * 
 * @author Jeff Ondich
 * @version 2/24/05
 *
 * Demonstrates the KeyListener interface.  Type r, g, b, or any other
 * key to see what happens.
 */

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

public class TypeableFrame
				extends JFrame
				implements KeyListener
{
	private Color color;

	public TypeableFrame( String title )
	{
		// Arrange for mouse events to be sent to this window.
        addKeyListener( this );

		// Initialize the window.
        setSize( 500, 600 );
        setLocation( 520, 20 );
		setTitle( title );
		setBackground( Color.white );
		toFront();
		setVisible( true );
	}

	public void paint( Graphics g )
	{
		Rectangle	r = getBounds();
		g.setColor( color );
		g.fillOval( r.width / 4, r.height / 4, r.width / 2, r.height / 2 );
	}

	public void keyTyped( KeyEvent e )
	{
        System.out.println( "keyTyped " + e.getKeyChar() );

		switch( e.getKeyChar() )
		{
		case 'r':
			color = Color.red;
			break;
			
		case 'b':
			color = Color.blue;
			break;

		default:
			color = Color.green;
			break;
		}

		repaint();
	}

	public void keyPressed( KeyEvent e )
	{
        System.out.println( "keyPressed" );
	}

	public void keyReleased( KeyEvent e )
	{
        System.out.println( "keyReleased" );
	}


	public static void main( String[] args )
	{
		TypeableFrame window = new TypeableFrame( "This is typeable" );

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