/* Une classe heritant de Frame pour implanter          */
/* la fenetre de l'application de test                  */
/* de l'algorithme de Cohen-Sutherland                  */
/*                                                      */
/* Auteur: Nicolas JANEY                                */
/* nicolas.janey@univ-fcomte.fr                         */
/* Novembre 2009                                        */

import java.awt.*;
import java.awt.event.*;

public class CSFrame extends Frame 
                     implements WindowListener,
                                ActionListener,
                                MouseListener,
                                MouseMotionListener {
  private MenuBar mb = new MenuBar();
  private Menu m1 = new Menu("Fichier");
  private MenuItem mq = new MenuItem("Quitter");
  private Position2D pi = new Position2D(50.0F,70.0F);
  private Position2D pf = new Position2D(270.0F,200.0F);

  public CSFrame(String s) {
    super();
    setTitle(s);
    addWindowListener(this);
    addMouseListener(this);
    addMouseMotionListener(this);
    setMenuBar(mb);
    mb.add(m1);
    m1.add(mq);
    mq.addActionListener(this);
  }
  
  public void paint(Graphics g) {
    Segment s = new Segment(pi,pf);
    Rectangle r = new Rectangle(new Position2D(80.0F,110.0F),
                                new Position2D(250.0F,170.0F));
    g.drawLine((int) s.pi.x,(int) s.pi.y,
               (int) s.pf.x,(int) s.pf.y);
    g.drawRect((int) r.ig.x,(int) r.ig.y,
               (int) (r.sd.x-r.ig.x),(int) (r.sd.y-r.ig.y));
    Segment sc = r.clip(s);
    if ( sc != null ) {
      g.setColor(new Color(0.0F,0.0F,1.0F));
      g.drawLine((int) sc.pi.x,(int) sc.pi.y,
                 (int) sc.pf.x,(int) sc.pf.y); }
  }
  
  public void windowActivated(WindowEvent e) {
  }
  
  public void windowClosed(WindowEvent e) {
  }
  
  public void windowClosing(WindowEvent e) {
    quitter();
  }
  
  public void windowDeactivated(WindowEvent e) {
  }
  
  public void windowDeiconified(WindowEvent e) {
  }
  
  public void windowIconified(WindowEvent e) {
  }
  
  public void windowOpened(WindowEvent e) {
  }
  
  public void quitter() {
    System.exit(0);
  }
  
  public void actionPerformed(ActionEvent e) {
    if ( e.getSource() == mq ) {
      quitter(); }
  }
  
  public void mouseClicked(MouseEvent e) {
    if ( e.getButton() == MouseEvent.BUTTON1 ) {
      pi = new Position2D(e.getX(),e.getY());
      repaint(); }
    if ( e.getButton() == MouseEvent.BUTTON3 ) {
      pf = new Position2D(e.getX(),e.getY());
      repaint(); }
  }

  public void mouseEntered(MouseEvent e) {
  }

  public void mouseExited(MouseEvent e) {
  }

  public void mousePressed(MouseEvent e) {
    if ( e.getButton() == MouseEvent.BUTTON1 ) {
      pi = new Position2D(e.getX(),e.getY());
      repaint(); }
    if ( e.getButton() == MouseEvent.BUTTON3 ) {
      pf = new Position2D(e.getX(),e.getY());
      repaint(); }
  }

  public void mouseReleased(MouseEvent e) {
  }
  
  public void mouseDragged(MouseEvent e) {
    if ( (e.getModifiers() & MouseEvent.BUTTON1_MASK) != 0 ) {
      pi = new Position2D(e.getX(),e.getY());
      repaint(); }
    if ( (e.getModifiers() & MouseEvent.BUTTON3_MASK) != 0 ) {
      pf = new Position2D(e.getX(),e.getY());
      repaint(); }
  }
  
  public void mouseMoved(MouseEvent e) {
  }
}