GRSystemTagInterface.h

#ifndef GRSystemTagInterface_H
#define GRSystemTagInterface_H
 
/*
  GUIDO Library
  Copyright (C) 2002  Holger Hoos, Juergen Kilian, Kai Renz
  Copyright (C) 2002-2017 Grame
 
  This Source Code Form is subject to the terms of the Mozilla Public
  License, v. 2.0. If a copy of the MPL was not distributed with this
  file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
  Grame Research Laboratory, 11, cours de Verdun Gensoul 69002 Lyon - France
  research@grame.fr
 
*/
 
 
class GRSystem;
 
class GRSystemTagInterface
{
    public:
 
                GRSystemTagInterface() : mIsSystemCall(false) {}
        virtual ~GRSystemTagInterface() {}      
        virtual void checkPosition(const GRSystem * grsys);
 
    protected:
        // this variable is set to 1, if
        // a call to tellPosition is made from checkPosition
        // which mas made by the system ....
        // (look into GRBeam)
        bool mIsSystemCall;
};
 
#endif