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# SoDataSensor.h

    00001 #ifndef COIN_SODATASENSOR_H
    00002 #define COIN_SODATASENSOR_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/sensors/SoDelayQueueSensor.h>
    00028 #include <stdlib.h> // for NULL definition
    00029
    00030 class SoNode;
    00031 class SoField;
    00032 class SoPath;
    00033 class SoNotList;
    00034
    00035 class COIN_DLL_API SoDataSensor : public SoDelayQueueSensor {
    00036   typedef SoDelayQueueSensor inherited;
    00037
    00038 public:
    00039   SoDataSensor(void);
    00040   SoDataSensor(SoSensorCB * func, void * data);
    00041   virtual ~SoDataSensor(void);
    00042
    00043   void setDeleteCallback(SoSensorCB * function, void * data = NULL);
    00044   SoNode * getTriggerNode(void) const;
    00045   SoField * getTriggerField(void) const;
    00046   SoPath * getTriggerPath(void) const;
    00047   void setTriggerPathFlag(SbBool flag);
    00048   SbBool getTriggerPathFlag(void) const;
    00049
    00050   virtual void trigger(void);
    00051   virtual void notify(SoNotList * l);
    00052   virtual void dyingReference(void) = 0;
    00053
    00054 protected:
    00055   void invokeDeleteCallback(void);
    00056
    00057 private:
    00058   SoSensorCB * cbfunc;
    00059   void * cbdata;
    00060   SbBool findpath;
    00061   SoField * triggerfield;
    00062   SoNode * triggernode;
    00063   SoPath * triggerpath;
    00064 };
    00065
    00066 #endif // !COIN_SODATASENSOR_H