1 /**************************************************************************\ 2 * Copyright (c) Kongsberg Oil & Gas Technologies AS 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: 8 * 9 * Redistributions of source code must retain the above copyright notice, 10 * this list of conditions and the following disclaimer. 11 * 12 * Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * Neither the name of the copyright holder nor the names of its 17 * contributors may be used to endorse or promote products derived from 18 * this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 24 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 \**************************************************************************/ 32 33 #ifndef COIN_SOVRMLDRAGSENSOR_H 34 #define COIN_SOVRMLDRAGSENSOR_H 35 36 #include <Inventor/nodes/SoSubNode.h> 37 #include <Inventor/VRMLnodes/SoVRMLSensor.h> 38 #include <Inventor/fields/SoSFVec3f.h> 39 #include <Inventor/SbVec2s.h> 40 #include <Inventor/SbVec2f.h> 41 #include <Inventor/SbMatrix.h> 42 #include <Inventor/SbViewVolume.h> 43 44 class SbMatrix; 45 46 class COIN_DLL_API SoVRMLDragSensor : public SoVRMLSensor { 47 typedef SoVRMLSensor inherited; 48 49 SO_NODE_ABSTRACT_HEADER(SoVRMLDragSensor); 50 51 public: 52 SoSFVec3f trackPoint_changed; 53 SoSFBool autoOffset; 54 55 // virtual void GLRender(SoGLRenderAction * action); 56 virtual void handleEvent(SoHandleEventAction * action); 57 static void initClass(void); 58 59 protected: 60 61 virtual SbBool dragStart(void) = 0; 62 virtual void drag(void) = 0; 63 virtual void dragFinish(void) = 0; 64 65 SoVRMLDragSensor(void); 66 virtual ~SoVRMLDragSensor(); 67 68 const SbVec3f & getLocalStartingPoint(void) const; 69 const SbMatrix & getLocalToWorldMatrix(void) const; 70 const SbMatrix & getWorldToLocalMatrix(void) const; 71 const SbViewVolume & getViewVolume(void) const; 72 const SbVec2f & getNormalizedLocaterPosition(void) const; 73 74 private: 75 // FIXME: move to private class 76 SbVec3f hitpt; 77 SbMatrix obj2world; 78 SbMatrix world2obj; 79 SbVec2s mousepos; 80 SbVec2f normpos; 81 SbViewVolume viewvolume; 82 }; 83 84 #endif // ! COIN_SOVRMLDRAGSENSOR_H 85