MeVisLab/Standard/Sources/Inventor/SoView2D/extensions/SoView2DPosition.h

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#ifndef __SoView2DPosition_H
#define __SoView2DPosition_H
//----------------------------------------------------------------------------------
// **InsertLicense** code
//----------------------------------------------------------------------------------

//----------------------------------------------------------------------------------

#ifndef __SoView2DInteractionExtension_H
#include "SoView2DInteractionExtension.h"
#endif

#include <XVEnterScope.h>
#include <Inventor/fields/SoSFVec3f.h>
#include <Inventor/fields/SoSFFloat.h>
#include <Inventor/fields/SoSFVec3f.h>
#include <Inventor/fields/SoSFBool.h>
#include <Inventor/fields/SoSFColor.h>
#include <Inventor/fields/SoSFInt32.h>
#include <XVLeaveScope.h>

typedef enum { DRAWINGMODEL_CROSSHAIRS, DRAWINGMODEL_CIRCLE, DRAWINGMODEL_VOXEL_RECT, DRAWINGMODEL_ELLIPSE } drawingModelType;

class SOVIEW2D_API SoView2DPosition: public SoView2DInteractionExtension {

  SO_NODE_HEADER(SoView2DPosition);

public:

  SoSFVec3f worldPosition;
  SoSFEnum  drawingModel;
  SoSFInt32 drawingModelSize;
  SoSFInt32 crossHairSpacing;
  SoSFBool  drawEditingRect;
  SoSFBool  colorAxes;
  SoSFColor coronalColor;
  SoSFColor axialColor;
  SoSFColor sagittalColor;

  SoSFBool colorBorder;
  SoSFFloat colorBorderWidth;

  SoSFFloat lineWidth;

  SoSFFloat blendOnto;
  SoSFFloat blendOutside;

  SoSFBool  updateOnPress;
  SoSFBool  updateOnMotion;
  SoSFBool  updateOnRelease;
  SoSFBool  cooperative;
  SoSFVec3f firstSliceWorldPosition;


  static void   initClass();

  SoView2DPosition();

  void   draw(View2DSliceList *dsl, View2DSlice* dslice, int slice);
  bool   evalEvent(SoView2D* view2d, View2DSliceList* slicelist,
    View2DEvent* ec, View2DEventPhase phase);

  bool ignoreEvent(View2DEvent* ec);

protected:
  // update worldPosition and firstSliceWorldPosition
  void setPosition(const SbVec3f& pos, SoView2D* view2d, View2DSliceList* slicelist);

  void getAxisColor(char orientation, float* color);


  virtual bool isSensitiveAt(const SoPointerPosition& pos);
  virtual void startPressAt(const SoPointerPosition& pos);
  virtual void dragMoveTo(const SoPointerPosition& pos);

  SbVec3f _oldWorldPos;
  bool    _isDragging;
};

#endif