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cybpointingdevicec.h

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/*
Copyright (C) 1999  Carsten Winkelholz

Address:  FGAN Forschungsgesellschaft f�r Angewandte Naturwissenschaften e. V.
      Neuenahrer Str. 20
      D - 53343 Wachtberg
      
Email:    winkelholz@fgan.de

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/

#ifndef CYBPOINTINGDEVICEC_H
#define CYBPOINTINGDEVICEC_H

#include "oaw/ctk/cybinterfacec.h"
#include "oaw/ctk/cybwrlfields.h"
#include "../oawconfig.h"

OAW_BEGIN_NAMESPACE


class CybSelectVolumeC;
class CybTouchSensorC;
class CybWorldC;
class CybDragSensorC;

// Drag event id's

#define  DRAGSENSOR_EVENT_STARTDRAG  1
#define  DRAGSENSOR_EVENT_DODRAG     2
#define  DRAGSENSOR_EVENT_ENDDRAG    3

// Drag event

typedef void PointerStateCallback(void*,short);

typedef struct _DragEvent
{
  long lEvent, lSensorId;
  VectorC vLineStart, vLineEnd, vIntersection;

  CybDragSensorC *pDragSensor;
} DragEvent;

// Class definition

class OAW_DLLMAPPING CybPointingDeviceC : public CybInterfaceC
{
public:

  enum PointerState {TOUCH, NOTOUCH};

  CybPointingDeviceC(CybWorldC* pW);
  virtual CybNodeC* CreateNew(){return 0;}
  void SetButtonState(short bs){m_buttonState = bs;m_processSelect = true;}
  void SetEnabled(short b){m_bEnabled = b;}
  short IsEnabled(){return m_bEnabled;}
  virtual void RouteData();
  virtual void ProcessSelect();
  virtual long GetInterfaceDataMinLength();
  virtual void SetInterfaceData(AnyC&); //const byteArray& data);
  virtual void CopyInterfaceData(AnyC&,long maxLen);
  void SetStateCallback(PointerStateCallback*,void*);

protected:
  ArrayC<DragEvent> m_dragEvents;
  CybSelectVolumeC* m_pSelectVolume;
  short m_buttonState;
  short m_processSelect;
  CybTouchSensorC* m_pT;
  VectorC m_hitPoint;
  VectorC m_hitNormal;
  Vector2C m_hitTexCoord;
  short m_bEnabled;

  void* m_pCallbackData;
  PointerStateCallback* m_pCallbackFunc;
};

OAW_END_NAMESPACE


#endif

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