SoRotateDiscDragger.h

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/*=======================================================================
** Author      : Paul Isaacs (MMM yyyy)
** Modified by : Howard Look (MMM yyyy)
**=======================================================================*/
/*=======================================================================
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**=======================================================================*/
/*=======================================================================
** Modified by : VSG (MMM YYYY)
**=======================================================================*/
 
 
#ifndef  _SO_ROTATE_DISC_DRAGGER_
#define  _SO_ROTATE_DISC_DRAGGER_
 
#include <Inventor/SbLinear.h>
#include <Inventor/draggers/SoDragger.h>
#include <Inventor/fields/SoSFRotation.h>
#include <Inventor/sensors/SoSensor.h>
 
class SbDict;
class SoSwitch;
class SoTransform;
class SbPlaneProjector;
class SoFieldSensor;
 
class  SoRotateDiscDragger : public SoDragger
{
  SO_KIT_HEADER(SoRotateDiscDragger);
 
  SO_KIT_CATALOG_ENTRY_HEADER(rotatorSwitch);
  SO_KIT_CATALOG_ENTRY_HEADER(rotator);
  SO_KIT_CATALOG_ENTRY_HEADER(rotatorActive);
  SO_KIT_CATALOG_ENTRY_HEADER(feedbackSwitch);
  SO_KIT_CATALOG_ENTRY_HEADER(feedback);
  SO_KIT_CATALOG_ENTRY_HEADER(feedbackActive);
 
 public:
  SoRotateDiscDragger();
 
  SoSFRotation rotation;
 
 private:
  static void         initClass();    // initialize the class
  static void         exitClass();
 
 private:
 
  SbPlaneProjector    *planeProj;     // projector to use
 
  static void startCB( void *, SoDragger * );
  static void motionCB( void *, SoDragger * );
  static void doneCB( void *, SoDragger * );
 
  SoFieldSensor *fieldSensor;
  static void fieldSensorCB( void *, SoSensor * );
  static void valueChangedCB( void *, SoDragger * );
 
  void        dragStart();
  void        drag();
  void        dragFinish();
 
  // detach/attach any sensors, callbacks, and/or field connections.
  // Called by:            start/end of SoBaseKit::readInstance
  // and on new copy by:   start/end of SoBaseKit::copy.
  // Classes that redefine must call setUpConnections(TRUE,TRUE) 
  // at end of constructor.
  // Returns the state of the node when this was called.
  virtual SbBool setUpConnections( SbBool onOff, SbBool doItAlways = FALSE );
 
  virtual ~SoRotateDiscDragger();
 
 private:
  // Default geometry
  static const char geomBuffer[];
};    
 
 
 
#endif  /* _SO_ROTATE_DISC_DRAGGER_ */