interface event  {  
      int type();                    // X event type
      char* name();                  // type as string
      
      int x();			
      int y();
      
      int button(int i = 0);          // ButtonPress
      int buttonup(int i = 0);        // ButtonRelease
      int motion();                   // MotionNotify
      
      int keyevent();                 // KeyPress or KeyRelease
      int buttonevent(int i = 0);     // ButtonPress or ButtonRelease
      
      int keycode();
      
      void trace();                   // prints event information
      
      void* rawevent();               // delivers raw X event
    };