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SoVRMLDragSensor.h
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23 
24 #ifndef COIN_SOVRMLDRAGSENSOR_H
25 #define COIN_SOVRMLDRAGSENSOR_H
26 
27 #include <Inventor/nodes/SoSubNode.h>
28 #include <Inventor/VRMLnodes/SoVRMLSensor.h>
29 #include <Inventor/fields/SoSFVec3f.h>
30 #include <Inventor/SbVec2s.h>
31 #include <Inventor/SbVec2f.h>
32 #include <Inventor/SbMatrix.h>
33 #include <Inventor/SbViewVolume.h>
34 
35 class SbMatrix;
36 
37 class COIN_DLL_API SoVRMLDragSensor : public SoVRMLSensor {
38  typedef SoVRMLSensor inherited;
39 
40  SO_NODE_ABSTRACT_HEADER(SoVRMLDragSensor);
41 
42 public:
45 
46  // virtual void GLRender(SoGLRenderAction * action);
47  virtual void handleEvent(SoHandleEventAction * action);
48  static void initClass(void);
49 
50 protected:
51 
52  virtual SbBool dragStart(void) = 0;
53  virtual void drag(void) = 0;
54  virtual void dragFinish(void) = 0;
55 
56  SoVRMLDragSensor(void);
57  virtual ~SoVRMLDragSensor();
58 
59  const SbVec3f & getLocalStartingPoint(void) const;
60  const SbMatrix & getLocalToWorldMatrix(void) const;
61  const SbMatrix & getWorldToLocalMatrix(void) const;
62  const SbViewVolume & getViewVolume(void) const;
63  const SbVec2f & getNormalizedLocaterPosition(void) const;
64 
65 private:
66  // FIXME: move to private class
67  SbVec3f hitpt;
68  SbMatrix obj2world;
69  SbMatrix world2obj;
70  SbVec2s mousepos;
71  SbVec2f normpos;
72  SbViewVolume viewvolume;
73 };
74 
75 #endif // ! COIN_SOVRMLDRAGSENSOR_H

Copyright © 1998-2007 by Systems in Motion AS. All rights reserved.

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