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SoDataSensor.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_SODATASENSOR_H
00021 #define COIN_SODATASENSOR_H
00022 
00023 #include <Inventor/sensors/SoDelayQueueSensor.h>
00024 #include <stdlib.h> // for NULL definition
00025 
00026 class SoNode;
00027 class SoField;
00028 class SoPath;
00029 class SoNotList;
00030 
00031 
00032 class COIN_DLL_API SoDataSensor : public SoDelayQueueSensor {
00033   typedef SoDelayQueueSensor inherited;
00034 
00035 public:
00036   SoDataSensor(void);
00037   SoDataSensor(SoSensorCB * func, void * data);
00038   virtual ~SoDataSensor(void);
00039 
00040   void setDeleteCallback(SoSensorCB * function, void * data = NULL);
00041   SoNode * getTriggerNode(void) const;
00042   SoField * getTriggerField(void) const;
00043   SoPath * getTriggerPath(void) const;
00044   void setTriggerPathFlag(SbBool flag);
00045   SbBool getTriggerPathFlag(void) const;
00046 
00047   virtual void trigger(void);
00048   virtual void notify(SoNotList * l);
00049   virtual void dyingReference(void) = 0;
00050 
00051 protected:
00052   void invokeDeleteCallback(void);
00053 
00054 private:
00055   SoSensorCB * cbfunc;
00056   void * cbdata;
00057   SbBool findpath;
00058   SoField * triggerfield;
00059   SoNode * triggernode;
00060   SoPath * triggerpath;
00061 };
00062 
00063 #endif // !COIN_SODATASENSOR_H

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