/* Original text from RGC 

   Mods and conversion to Java 1.1: SBJ Nov 1998
*/

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

public class Shutter
	extends Applet
   implements AdjustmentListener {

  private Scrollbar bar = new Scrollbar(Scrollbar.HORIZONTAL, 0, 1, 0, 101);
  private Label instructions = new Label("Click/drag to adjust", Label.CENTER);
  private int position = 0;

  public void init() {
    add(bar);
    bar.addAdjustmentListener(this);
    add(instructions);
  } 

  public void paint(Graphics g) {
    g.drawRect(40, 60, 60, 100);
    g.fillRect(40, 60, 60, position);
  }

  public void adjustmentValueChanged(AdjustmentEvent e) {
    position = bar.getValue(); 
    repaint();
  } 
}