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SoVRMLDragSensor.h
1 /**************************************************************************\
2 *
3 * This file is part of the Coin 3D visualization library.
4 * Copyright (C) by Kongsberg Oil & Gas Technologies.
5 *
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8 * ("GPL") version 2 as published by the Free Software Foundation.
9 * See the file LICENSE.GPL at the root directory of this source
10 * distribution for additional information about the GNU GPL.
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22 \**************************************************************************/
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:
43 SoSFVec3f trackPoint_changed;
44 SoSFBool autoOffset;
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
SbVec2f
The SbVec2f class is a 2 dimensional vector with floating point coordinates.This vector class is used...
Definition: SbVec2f.h:39
SoVRMLDragSensor::trackPoint_changed
SoSFVec3f trackPoint_changed
Definition: SoVRMLDragSensor.h:43
SoVRMLDragSensor
The SoVRMLDragSensor class is a superclass for VRML drag sensors.
Definition: SoVRMLDragSensor.h:37
SoSFBool
The SoSFBool class is a container for an SbBool value.This field is used where nodes, engines or other field containers needs to store a boolean on/off or TRUE/FALSE value, like for instance as the "on" field of the SoPointLight, SoSpotLight and SoDirectionalLight node classes.
Definition: SoSFBool.h:30
SoVRMLSensor
The SoVRMLSensor class is an abstract superclass for VRML sensors.
Definition: SoVRMLSensor.h:30
SbVec3f
The SbVec3f class is a 3 dimensional vector with floating point coordinates.This vector class is used...
Definition: SbVec3f.h:40
SoVRMLDragSensor::autoOffset
SoSFBool autoOffset
Definition: SoVRMLDragSensor.h:44
SbMatrix
The SbMatrix class is a 4x4 dimensional representation of a matrix.SbMatrix is used by many other cla...
Definition: SbMatrix.h:37
SoHandleEventAction
The SoHandleEventAction class distributes user events to the scene.This is the action used by the GUI...
Definition: SoHandleEventAction.h:37
SbViewVolume
The SbViewVolume class is a viewing volume in 3D space.This class contains the necessary information ...
Definition: SbViewVolume.h:41
SoSFVec3f
The SoSFVec3f class is a container for an SbVec3f vector.This field is used where nodes...
Definition: SoSFVec3f.h:31
SbVec2s
The SbVec2s class is a 2 dimensional vector with short integer coordinates.This vector class is used ...
Definition: SbVec2s.h:41
SoNode::handleEvent
virtual void handleEvent(SoHandleEventAction *action)
Definition: SoNode.cpp:1059
SO_NODE_ABSTRACT_HEADER
#define SO_NODE_ABSTRACT_HEADER(classname)

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