// W1frame.java   a very basic, yet complete java frame application

import java.awt.*;
import java.awt.event.*;
import java.awt.geom.Line2D;
import javax.swing.*;
    
public class W1frame extends Frame
{

  W1frame()
  {
    setTitle("W1frame");
    setSize(200,200);
    setBackground(Color.white);
    setForeground(Color.black);
    addWindowListener(new WindowAdapter()
    {
      public void windowClosing(WindowEvent e)
      {
        System.exit(0);
      }
    });
    setVisible(true);
    this.addMouseListener (new mousePressHandler());
  }


  class mousePressHandler extends MouseAdapter
  {
    public void mousePressed (MouseEvent e)
    {
      requestFocus();
      System.out.println("press"); // debug print
      repaint();
      System.exit(0);
    }
  }

  public void paint(Graphics g)
  {
    // draw a boundary
    g.drawRect(50, 75, 100, 25);
    g.drawString("Click here to exit", 50, 50);

    Graphics2D g2 = (Graphics2D) g;
    g2.setStroke(new BasicStroke(10.0f,BasicStroke.CAP_ROUND,
				       BasicStroke.JOIN_MITER));
    g2.setColor(Color.green);
    g2.draw(new Line2D.Float(80, 120, 120, 180));
    g2.draw(new Line2D.Float(120, 180, 140, 160));
    g2.setStroke(new BasicStroke(20.0f,BasicStroke.CAP_ROUND,
				       BasicStroke.JOIN_MITER));
    g2.setColor(Color.red);
    g2.draw(new Line2D.Float(40, 110, 60, 170));
  }

  public static void main(String args[])
  {
    new W1frame();
  }
} // end W1frame.java