import java.applet.*;
import java.awt.*;

public class Keys extends Applet implements Runnable
{

	Thread t;	

	private Image bufferImage;
	private Graphics buffer;
	// create a graphics buffer and off screen image

	private int width;
	private int height;

	private String message;
	
	public void init()
	{
		setBackground(Color.black);

		t=new Thread(this);
		t.start();

		width=size().width;
		height=size().height;


		message = "Focus Lost";
		
		bufferImage=createImage(width, height);
		buffer = bufferImage.getGraphics();
		// create off screen buffer image and place it in the buffer

	}

	public void run()
	{
		while(true)
		{
			repaint(); 

			try{
				t.sleep(5);
			}catch(InterruptedException e){ ; }		
			
		}
	}

	public void paint(Graphics g)
	{

		if (buffer == null) 
		{
		// make sure the buffer was setup correctly
			bufferImage = createImage(width, height);
			buffer = bufferImage.getGraphics();
		}


		buffer.setColor(Color.black);
		buffer.fillRect(0,0, width, height);
		// draw our background square to the buffer


		buffer.setColor(Color.red);
		buffer.drawString(message, 100, 100);
	
		g.drawImage(bufferImage, 0, 0, this);
		// draw our buffer image to the applet
	}

	public void update(Graphics g)
	{
		paint(g);

	}

	public boolean lostFocus(Event e, Object obj)
	{
		message = "Lost Focus";
		return super.lostFocus(e, obj);
	}

	public boolean gotFocus(Event e, Object obj)
	{
		message  = "Got Focus";
		return super.gotFocus(e, obj);
	}

	public boolean keyDown(Event e, int key)
	{
		message = "Key Down = " + key;
		return true;
	}

	public boolean keyUp(Event e, int key)
	{
		message = "Key Up = " + key;
		return true;
	}
}