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

class PanelExt extends JPanel {

  PanelExt() {
    super();
  }

  public void paint(Graphics g) {
    super.paint(g);

    System.out.println("paint called " + Ex6.numClicks);

    double dimX = getSize().getWidth();
    double dimY = getSize().getHeight();

    // Set the colour of the line
    g.setColor(Color.BLACK);
    // Note: origin is left/top corner
    double start_x = 0;
    double start_y = 0;
    double width = Ex6.numClicks*20;
    double height = 20;
    g.fillRect((int)(start_x), (int)(start_y),
	       (int)(width), (int)(height));

  } // End paint()

} // End class JPanel