ScaleViz/interaction/SoControllerReader.h

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**=======================================================================*/
/*=======================================================================
** Author      : Nicolas DAGUISE (Dec 2006)
**=======================================================================*/



#ifndef SO_CONTROLLER_READER_H
#define SO_CONTROLLER_READER_H

#include <Inventor/SbLinear.h>
#include <Inventor/errors/SoDebugError.h>

#include <ScaleViz/SoScaleViz.h>

class  SoControllerReader
{
 public:

  SoControllerReader( int );

  virtual ~SoControllerReader();

  int getNumberOfValuators();

  int getNumberOfButtons();

  float getValuator( int id );

  int getButton( int id );

  int buttonChange( int id );

  SbBool isLoadSuccess() { return loadSucceed; }

  SbBool isInitSuccess() { return initSucceed; }

 private:
  void* controller;
  void* (*soTrackdInitControllerReader)( int );
  int (*soTrackdGetNumberOfValuators)( void* );
  int (*soTrackdGetNumberOfButtons)( void* );
  float (*soTrackdGetValuator)( void*, int );
  int (*soTrackdGetButton)( void*, int );

 private:

  SbBool loadSucceed;
  SbBool initSucceed;

  SbBool loadTrackdAPI();

  // previous button state
  int* buttonState;
};

#endif // SO_CONTROLLER_READER_H

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