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SoSensorManager.h

00001 /**************************************************************************\
00002  *
00003  *  This file is part of the Coin 3D visualization library.
00004  *  Copyright (C) 1998-2002 by Systems in Motion. All rights reserved.
00005  *
00006  *  This library is free software; you can redistribute it and/or
00007  *  modify it under the terms of the GNU Lesser General Public License
00008  *  version 2.1 as published by the Free Software Foundation. See the
00009  *  file LICENSE.LGPL at the root directory of the distribution for
00010  *  more details.
00011  *
00012  *  If you want to use Coin for applications not compatible with the
00013  *  LGPL, please contact SIM to acquire a Professional Edition license.
00014  *
00015  *  Systems in Motion, Prof Brochs gate 6, 7030 Trondheim, NORWAY
00016  *  http://www.sim.no support@sim.no Voice: +47 22114160 Fax: +47 22207097
00017  *
00018 \**************************************************************************/
00019 
00020 #ifndef COIN_SOSENSORMANAGER_H
00021 #define COIN_SOSENSORMANAGER_H
00022 
00023 #include <Inventor/SbBasic.h>
00024 
00025 class SoDelayQueueSensor;
00026 class SoTimerQueueSensor;
00027 class SoTimerSensor;
00028 class SbTime;
00029 
00030 class COIN_DLL_API SoSensorManager {
00031 public:
00032   SoSensorManager(void);
00033   ~SoSensorManager();
00034 
00035   void insertDelaySensor(SoDelayQueueSensor * s);
00036   void insertTimerSensor(SoTimerQueueSensor * s);
00037   void removeDelaySensor(SoDelayQueueSensor * s);
00038   void removeTimerSensor(SoTimerQueueSensor * s);
00039 
00040   void setChangedCallback(void (*func)(void *), void * data);
00041 
00042   void rescheduleTimer(SoTimerSensor * s);
00043   void removeRescheduledTimer(SoTimerQueueSensor * s);
00044 
00045   void processDelayQueue(SbBool isidle);
00046   void processImmediateQueue(void);
00047   void processTimerQueue(void);
00048 
00049   SbBool isDelaySensorPending(void);
00050   SbBool isTimerSensorPending(SbTime & tm);
00051 
00052   void setDelaySensorTimeout(const SbTime & t);
00053   const SbTime & getDelaySensorTimeout(void);
00054 
00055   int doSelect(int nfds, void * readfds, void * writefds,
00056                void * exceptfds, struct timeval * userTimeOut);
00057 
00058 private:
00059   void notifyChanged(void);
00060 
00061   int mergeTimerQueues(void);
00062   int mergeDelayQueues(void);
00063   
00064   class SoSensorManagerP * pimpl;
00065   friend class SoSensorManagerP;
00066 };
00067 
00068 #endif // !COIN_SOSENSORMANAGER_H

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