SceneOrbiter.h

#pragma once
 
#include <Inventor/Axis.h>
#include <Inventor/ViewerComponents/nodes/SceneInteractor.h>
 
class SoMouseWheelEvent;
class SoKeyboardEvent;
class SoLocation2Event;
class SoEvent;
class SoViewingCube;
class InteractionOrbiter;
class SoNodeSensor;
class SoFieldSensor;
 
class VIEWERCOMPONENTS_API SceneOrbiter : public SceneInteractor
{
 
public:
 
  enum RotationMethod
  {
    TURNTABLE,
    TRACKBALL
  };
 
  SceneOrbiter();
 
  virtual ~SceneOrbiter();
 
  void setConstraintLevel( float level );
 
  float getConstraintLevel();
 
  void setRotationMethod( RotationMethod method );
 
  RotationMethod getRotationMethod();
 
  void setUpAxis( openinventor::inventor::Axis::Type axis );
 
  openinventor::inventor::Axis::Type getUpAxis();
 
  void enableViewingCube( bool enabled );
 
  bool isViewingCubeEnabled() const;
 
  SoViewingCube* getViewingCube();
 
  virtual void setCameraMode( SceneInteractor::CameraMode mode );
 
private:
  virtual void mouseWheelMoved( SoMouseWheelEvent* wheelEvent, SoHandleEventAction* action );
  virtual void mouseMoved( SoLocation2Event* mouseEvent, SoHandleEventAction* action );
  virtual void mousePressed( SoMouseButtonEvent* mouseEvent, SoHandleEventAction* action );
  virtual void mouseReleased( SoMouseButtonEvent* mouseEvent, SoHandleEventAction* action );
  virtual void keyPressed( SoKeyboardEvent* keyEvent, SoHandleEventAction* action );
  virtual void keyReleased( SoKeyboardEvent* keyEvent, SoHandleEventAction* action );
  virtual void touch( SoTouchEvent* touchEvent, SoHandleEventAction* action );
  virtual void zoom(SoScaleGestureEvent* scaleEvent, SoHandleEventAction* action);
  virtual void rotate( SoRotateGestureEvent* rotateEvent, SoHandleEventAction* action );
 
private:
  InteractionOrbiter* m_interaction;
  SoViewingCube* m_viewingCube;
  SoRef<SoSwitch> m_viewingCubeSwitch;
  SoFieldSensor* m_upAxisSensor;
 
  // Tools to handle the external camera update (like ViewingCube)
  SoNodeSensor* m_cameraSensor;
  static void cameraSensorCallback(void* data, SoSensor* sensor);
  // Keep up to date the viewport to use it in the cameraSensorCallback
  SbViewportRegion m_viewportRegion;
};