SoWinConstrainedViewer.h

// 

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#ifndef SOWIN_CONSTRAINEDVIEWER_H
#define SOWIN_CONSTRAINEDVIEWER_H

#include <Inventor/Win/viewers/SoWinFullViewer.h>

// ************************************************************************

class SOWIN_DLL_API SoWinConstrainedViewer : public SoWinFullViewer {
  SOWIN_OBJECT_ABSTRACT_HEADER(SoWinConstrainedViewer, SoWinFullViewer);

public:
  void setUpDirection(const SbVec3f & dir);
  const SbVec3f & getUpDirection(void) const;

  virtual void setCamera(SoCamera * newcam);
  virtual void saveHomePosition(void);
  virtual void resetToHomePosition(void);

protected:
  SoWinConstrainedViewer(HWND parent,
                           const char * const name,
                           SbBool embed,
                           SoWinFullViewer::BuildFlag flag, 
                           SoWinViewer::Type type, 
                           SbBool build);

  ~SoWinConstrainedViewer();

  virtual void tiltCamera(float delta);
  virtual void bottomWheelMotion(float value);
  virtual void leftWheelMotion(float value);

  virtual void changeCameraValues(SoCamera * camera);
  void findUpDirection(SbVec2s mouselocation);
  void checkForCameraUpConstrain(void);

private:
  class SoWinConstrainedViewerP * pimpl;
};

// ************************************************************************

#endif // ! SOWIN_CONSTRAINEDVIEWER_H