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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

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