ArKeyHandler.h

/*
ActivMedia Robotics Interface for Applications (ARIA)
Copyright (C) 2004,2005 ActivMedia Robotics, LLC


     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 2 of the License, or
     (at your option) any later version.

     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.

     You should have received a copy of the GNU General Public License
     along with this program; if not, write to the Free Software
     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

If you wish to redistribute ARIA under different terms, contact 
ActivMedia Robotics for information about a commercial version of ARIA at 
robots@activmedia.com or 
ActivMedia Robotics, 19 Columbia Drive, Amherst, NH 03031; 800-639-9481

*/

#ifndef ARKEYHANDLER_H
#define ARKEYHANDLER_H

#include "ariaTypedefs.h"
#include "ArFunctor.h"
#include <map>

#ifndef WIN32
#include <termios.h>
#include <unistd.h>
#endif

class ArRobot;


class ArKeyHandler
{
public:
  ArKeyHandler(bool blocking = false, bool addAriaExitCB = true);

  ~ArKeyHandler();

  enum KEY {
    UP = 256, 
    DOWN, 
    LEFT, 
    RIGHT, 
    ESCAPE, 
    SPACE, 
    TAB, 
    ENTER, 
    BACKSPACE, 
    _StartFKeys,  
    F1, 
    F2, 
    F3, 
    F4, 
    F5, 
    F6, 
    F7, 
    F8, 
    F9, 
    F10, 
    F11, 
    F12, 
    _EndFKeys, 
    PAGEUP, 
    PAGEDOWN, 
    HOME,   
    END,    
    INSERT, 
    DEL  
  };

  bool addKeyHandler(int keyToHandle, ArFunctor *functor);

  bool remKeyHandler(int keyToHandler);
  bool remKeyHandler(ArFunctor *functor);

  void takeKeys(bool blocking = false);

  void restore(void);

  void checkKeys(void);
  
  int getKey(void);

protected:
  std::map<int, ArFunctor *> myMap;
  bool myBlocking;
  
  bool myRestored;
  ArFunctorC<ArKeyHandler> myAriaExitCB;
#ifndef WIN32
  struct termios myOriginalTermios;
#endif
};


#endif // ARKEYHANDLER_H

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