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00001 /**************************************************************************\ 00002 * 00003 * This file is part of the Coin 3D visualization library. 00004 * Copyright (C) 1998-2007 by Systems in Motion. All rights reserved. 00005 * 00006 * This library is free software; you can redistribute it and/or 00007 * modify it under the terms of the GNU General Public License 00008 * ("GPL") version 2 as published by the Free Software Foundation. 00009 * See the file LICENSE.GPL at the root directory of this source 00010 * distribution for additional information about the GNU GPL. 00011 * 00012 * For using Coin with software that can not be combined with the GNU 00013 * GPL, and for taking advantage of the additional benefits of our 00014 * support services, please contact Systems in Motion about acquiring 00015 * a Coin Professional Edition License. 00016 * 00017 * See http://www.coin3d.org/ for more information. 00018 * 00019 * Systems in Motion, Postboks 1283, Pirsenteret, 7462 Trondheim, NORWAY. 00020 * http://www.sim.no/ sales@sim.no coin-support@coin3d.org 00021 * 00022 \**************************************************************************/ 00023 00024 #ifndef COIN_SOVRMLDRAGSENSOR_H 00025 #define COIN_SOVRMLDRAGSENSOR_H 00026 00027 #include <Inventor/nodes/SoSubNode.h> 00028 #include <Inventor/VRMLnodes/SoVRMLSensor.h> 00029 #include <Inventor/fields/SoSFVec3f.h> 00030 #include <Inventor/SbVec2s.h> 00031 #include <Inventor/SbVec2f.h> 00032 #include <Inventor/SbMatrix.h> 00033 #include <Inventor/SbViewVolume.h> 00034 00035 class SbMatrix; 00036 00037 class COIN_DLL_API SoVRMLDragSensor : public SoVRMLSensor { 00038 typedef SoVRMLSensor inherited; 00039 00040 SO_NODE_ABSTRACT_HEADER(SoVRMLDragSensor); 00041 00042 public: 00043 SoSFVec3f trackPoint_changed; 00044 SoSFBool autoOffset; 00045 00046 // virtual void GLRender(SoGLRenderAction * action); 00047 virtual void handleEvent(SoHandleEventAction * action); 00048 static void initClass(void); 00049 00050 protected: 00051 00052 virtual SbBool dragStart(void) = 0; 00053 virtual void drag(void) = 0; 00054 virtual void dragFinish(void) = 0; 00055 00056 SoVRMLDragSensor(void); 00057 virtual ~SoVRMLDragSensor(); 00058 00059 const SbVec3f & getLocalStartingPoint(void) const; 00060 const SbMatrix & getLocalToWorldMatrix(void) const; 00061 const SbMatrix & getWorldToLocalMatrix(void) const; 00062 const SbViewVolume & getViewVolume(void) const; 00063 const SbVec2f & getNormalizedLocaterPosition(void) const; 00064 00065 private: 00066 // FIXME: move to private class 00067 SbVec3f hitpt; 00068 SbMatrix obj2world; 00069 SbMatrix world2obj; 00070 SbVec2s mousepos; 00071 SbVec2f normpos; 00072 SbViewVolume viewvolume; 00073 }; 00074 00075 #endif // ! COIN_SOVRMLDRAGSENSOR_H
Copyright © 1998-2007 by Systems in Motion AS. All rights reserved.
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