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SoRotateSphericalDragger.h

00001 /**************************************************************************\
00002  *
00003  *  This file is part of the Coin 3D visualization library.
00004  *  Copyright (C) 1998-2002 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 Lesser General Public License
00008  *  version 2.1 as published by the Free Software Foundation. See the
00009  *  file LICENSE.LGPL at the root directory of the distribution for
00010  *  more details.
00011  *
00012  *  If you want to use Coin for applications not compatible with the
00013  *  LGPL, please contact SIM to acquire a Professional Edition license.
00014  *
00015  *  Systems in Motion, Prof Brochs gate 6, 7030 Trondheim, NORWAY
00016  *  http://www.sim.no support@sim.no Voice: +47 22114160 Fax: +47 22207097
00017  *
00018 \**************************************************************************/
00019 
00020 #ifndef COIN_SOROTATESPHERICALDRAGGER_H
00021 #define COIN_SOROTATESPHERICALDRAGGER_H
00022 
00023 #include <Inventor/draggers/SoDragger.h>
00024 #include <Inventor/fields/SoSFRotation.h>
00025 #include <Inventor/SbMatrix.h>
00026 #include <Inventor/SbVec3f.h>
00027 
00028 class SoSensor;
00029 class SoFieldSensor;
00030 class SbSphereProjector;
00031 
00032 
00033 class COIN_DLL_API SoRotateSphericalDragger : public SoDragger {
00034   typedef SoDragger inherited;
00035 
00036   SO_KIT_HEADER(SoRotateSphericalDragger);
00037 
00038   SO_KIT_CATALOG_ENTRY_HEADER(feedback);
00039   SO_KIT_CATALOG_ENTRY_HEADER(feedbackActive);
00040   SO_KIT_CATALOG_ENTRY_HEADER(feedbackSwitch);
00041   SO_KIT_CATALOG_ENTRY_HEADER(rotator);
00042   SO_KIT_CATALOG_ENTRY_HEADER(rotatorActive);
00043   SO_KIT_CATALOG_ENTRY_HEADER(rotatorSwitch);
00044 
00045 
00046 public:
00047   static void initClass(void);
00048   SoRotateSphericalDragger(void);
00049 
00050   SoSFRotation rotation;
00051 
00052   void setProjector(SbSphereProjector * p);
00053   const SbSphereProjector * getProjector(void) const;
00054 
00055 protected:
00056   ~SoRotateSphericalDragger();
00057   virtual SbBool setUpConnections(SbBool onoff, SbBool doitalways = FALSE);
00058 
00059   virtual void copyContents(const SoFieldContainer * fromfc,
00060                             SbBool copyconnections);
00061 
00062   static void startCB(void * f, SoDragger * d);
00063   static void motionCB(void * f, SoDragger * d);
00064   static void doneCB(void * f, SoDragger * d);
00065   static void fieldSensorCB(void * f, SoSensor * s);
00066   static void valueChangedCB(void * f, SoDragger * d);
00067 
00068   void dragStart(void);
00069   void drag(void);
00070   void dragFinish(void);
00071 
00072   SoFieldSensor * fieldSensor;
00073   SbMatrix prevMotionMatrix;
00074   SbVec3f prevWorldHitPt;
00075   SbSphereProjector * sphereProj;
00076   SbBool userProj;
00077 };
00078 
00079 #endif // !COIN_SOROTATESPHERICALDRAGGER_H

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