import java.awt.*;
import java.awt.event.*;
import java.applet.Applet;

public class MousePress extends Applet implements Runnable, MouseListener
{
private static final long serialVersionUID = 1L;
Label presslabel = new Label("Press the Mouse here.", Label.CENTER);
boolean pressed = false;
int length = 0;
Thread mythread;
Image buffer;

public void init()
{
	presslabel.setBackground(Color.green);
	presslabel.addMouseListener(this);
	add(presslabel);
	mythread = new Thread(this);
	mythread.start();
}

public void paint(Graphics g)
{
	g.setColor(Color.white);
	g.fillRect(0, 0, getSize().width, getSize().height);		//clear the screen
	g.setColor(Color.blue);
	g.fillRect(10, 100, length, 30);	//draw a rectangle when the mouse is pressed
} //end of paint

public void update(Graphics g)
{
	if (buffer == null)
		buffer = createImage(getSize().width, getSize().height);
	Graphics g1 = buffer.getGraphics();
	paint(g1);
	g.drawImage(buffer, 0, 0, this);
	g1.dispose();
} //end of update

public void run()
{
	while (true)
	{
		if (pressed && length < getSize().width-20)
			length++;
		else if (length > 0)
			length--;
		repaint();
		try { Thread.sleep(10); }
		catch (InterruptedException ie) {}
	} //end of while
} //end of run

public void mousePressed(MouseEvent event)
{
	if (event.getSource() == presslabel)
	{
		presslabel.setText("Mouse is pressed.");	
		pressed = true;
	}
} //end of mousePressed

public void mouseReleased(MouseEvent event)
{
	if (event.getSource() == presslabel)
	{
		presslabel.setText("Mouse is released.");
		pressed = false;
	}
} //end of mouseReleased

public void mouseClicked(MouseEvent event) {}
public void mouseEntered(MouseEvent event) {}
public void mouseExited(MouseEvent event) {}

} //end of class MousePress