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# SoSensor.h

    00001 #ifndef COIN_SOSENSOR_H
    00002 #define COIN_SOSENSOR_H
    00003
    00004 /**************************************************************************\
    00005  *
    00006  *  This file is part of the Coin 3D visualization library.
    00007  *  Copyright (C) 1998-2003 by Systems in Motion.  All rights reserved.
    00008  *
    00009  *  This library is free software; you can redistribute it and/or
    00010  *  modify it under the terms of the GNU General Public License
    00011  *  ("GPL") version 2 as published by the Free Software Foundation.
    00012  *  See the file LICENSE.GPL at the root directory of this source
    00013  *  distribution for additional information about the GNU GPL.
    00014  *
    00015  *  For using Coin with software that can not be combined with the GNU
    00016  *  GPL, and for taking advantage of the additional benefits of our
    00017  *  support services, please contact Systems in Motion about acquiring
    00018  *  a Coin Professional Edition License.
    00019  *
    00020  *  See <URL:http://www.coin3d.org> for  more information.
    00021  *
    00022  *  Systems in Motion, Teknobyen, Abels Gate 5, 7030 Trondheim, NORWAY.
    00023  *  <URL:http://www.sim.no>.
    00024  *
    00025 \**************************************************************************/
    00026
    00027 #include <Inventor/SbBasic.h>
    00028
    00029 class SoSensor;
    00030
    00031 typedef void SoSensorCB(void * data, SoSensor * sensor);
    00032
    00033 class COIN_DLL_API SoSensor {
    00034 public:
    00035   SoSensor(void);
    00036   SoSensor(SoSensorCB * func, void * data);
    00037   virtual ~SoSensor(void);
    00038
    00039   void setFunction(SoSensorCB * callbackfunction);
    00040   SoSensorCB * getFunction(void) const;
    00041   void setData(void * callbackdata);
    00042   void * getData(void) const;
    00043
    00044   virtual void schedule(void) = 0;
    00045   virtual void unschedule(void) = 0;
    00046   virtual SbBool isScheduled(void) const = 0;
    00047
    00048   virtual void trigger(void);
    00049
    00050   virtual SbBool isBefore(const SoSensor * s) const = 0;
    00051   void setNextInQueue(SoSensor * next);
    00052   SoSensor * getNextInQueue(void) const;
    00053
    00054   static void initClass(void);
    00055
    00056 protected:
    00057   SoSensorCB * func;
    00058   void * funcData;
    00059 };
    00060
    00061 #endif // !COIN_SOSENSOR_H