// Events.java
// 
// Mark F. Hulber
// May 1996
//
//  Events is the top level event handling class for CG Drawing Board.  Any 
//    events that it can not handle it sends to the appropriate class.
//
//

import java.awt.*;

public class Events extends CG {
   public Events(String title) {
      super(title);
   }

   public boolean handleEvent(Event event) {
     switch(event.id){
     case Event.ACTION_EVENT:
       if (event.target == clear){
          workarea.handleEvent(event);
          return false;
       }
       else if (event.target == quit) {
            YesNoDialog d = new ReallyQuitDialog(this, textarea);
           d.setForeground(Color.white);
           d.setBackground(Color.black);            
            d.show();
       }
       else if (event.target == about) {
          InfoDialog d;
           d = new InfoDialog(this, "CG Drawing Board",
                                    "Written by Mark Hulber\n"+
                                    "Copyright(c) 1996");
           d.setForeground(Color.white);
           d.setBackground(Color.black);
           d.show();
       }
       else if (event.target == algo) {
          workarea.handleEvent(event);
          return false;
       }          
       else {
          textarea.setText("Unknown action event.");
       }
       break;
     case Event.WINDOW_DESTROY:
        break;
     case Event.WINDOW_ICONIFY:
        break;
     case Event.WINDOW_DEICONIFY:
        break;
     case Event.WINDOW_MOVED:
        break;
     case Event.MOUSE_DOWN:
        return false;
     case Event.MOUSE_UP:
        return false;
     case Event.MOUSE_DRAG:
     case Event.MOUSE_MOVE:
        return false;
     case Event.KEY_PRESS:
     case Event.KEY_ACTION:
        return false;
     case Event.KEY_RELEASE:
     case Event.KEY_ACTION_RELEASE:
        return false;

     case Event.GOT_FOCUS:
     case Event.LOST_FOCUS:
     case Event.MOUSE_ENTER:
     case Event.MOUSE_EXIT:
        return false;

     default:
        textarea.setText("Unexpected Event type:"+event+"\n");
        break;
     }
     return true;
   }

public static void main(String[] args) {
   Frame f = new Events("CG Drawing Board 1.0");
   f.pack();
   f.show();
}
}