/**************************************************************************\
 *
 *  This file is part of the Coin 3D visualization library.
 *  Copyright (C) 1998-2005 by Systems in Motion.  All rights reserved.
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public License
 *  ("GPL") version 2 as published by the Free Software Foundation.
 *  See the file LICENSE.GPL at the root directory of this source
 *  distribution for additional information about the GNU GPL.
 *
 *  For using Coin with software that can not be combined with the GNU
 *  GPL, and for taking advantage of the additional benefits of our
 *  support services, please contact Systems in Motion about acquiring
 *  a Coin Professional Edition License.
 *
 *  See <URL:http://www.coin3d.org/> for more information.
 *
 *  Systems in Motion, Postboks 1283, Pirsenteret, 7462 Trondheim, NORWAY.
 *  <URL:http://www.sim.no/>.
 *
\**************************************************************************/

#ifndef COIN_SOVRMLCYLINDERSENSOR_H
#define COIN_SOVRMLCYLINDERSENSOR_H

#include <Inventor/nodes/SoSubNode.h>
#include <Inventor/VRMLnodes/SoVRMLDragSensor.h>
#include <Inventor/fields/SoSFFloat.h>
#include <Inventor/fields/SoSFRotation.h>

class COIN_DLL_API SoVRMLCylinderSensor : public SoVRMLDragSensor
{
  typedef SoVRMLDragSensor inherited;
  SO_NODE_HEADER(SoVRMLCylinderSensor);

public:
  static void initClass(void);
  SoVRMLCylinderSensor(void);

  SoSFFloat diskAngle;
  SoSFFloat maxAngle;
  SoSFFloat minAngle;
  SoSFFloat offset;
  SoSFRotation rotation_changed;

protected:

  virtual SbBool dragStart(void);
  virtual void drag(void);
  virtual void dragFinish(void);

  virtual ~SoVRMLCylinderSensor();

private:
  static float findAngle(const SbRotation & rot);
  class SbCylinderProjector * cylinderproj;
};

#endif // ! COIN_SOVRMLCYLINDERSENSOR_H
