#ifndef COIN_SOSCALE2DRAGGER_H
#define COIN_SOSCALE2DRAGGER_H

/**************************************************************************\
 * Copyright (c) Kongsberg Oil & Gas Technologies AS
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 * 
 * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 * 
 * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * 
 * Neither the name of the copyright holder nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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\**************************************************************************/

#include <Inventor/draggers/SoDragger.h>
#include <Inventor/tools/SbLazyPimplPtr.h>
#include <Inventor/fields/SoSFVec3f.h>

class SoSensor;
class SoFieldSensor;
class SbPlaneProjector;
class SoScale2DraggerP;

class COIN_DLL_API SoScale2Dragger : public SoDragger {
  typedef SoDragger inherited;

  SO_KIT_HEADER(SoScale2Dragger);
  SO_KIT_CATALOG_ENTRY_HEADER(feedback);
  SO_KIT_CATALOG_ENTRY_HEADER(feedbackActive);
  SO_KIT_CATALOG_ENTRY_HEADER(feedbackSwitch);
  SO_KIT_CATALOG_ENTRY_HEADER(scaler);
  SO_KIT_CATALOG_ENTRY_HEADER(scalerActive);
  SO_KIT_CATALOG_ENTRY_HEADER(scalerSwitch);

public:
  static void initClass(void);
  SoScale2Dragger(void);

  SoSFVec3f scaleFactor;

protected:
  virtual ~SoScale2Dragger(void);
  virtual SbBool setUpConnections(SbBool onoff, SbBool doitalways = FALSE);

  static void startCB(void * f, SoDragger * d);
  static void motionCB(void * f, SoDragger * d);
  static void finishCB(void * f, SoDragger * d);
  static void fieldSensorCB(void * f, SoSensor * s);
  static void valueChangedCB(void * f, SoDragger * d);

  void dragStart(void);
  void drag(void);
  void dragFinish(void);

  SoFieldSensor * fieldSensor;
  SbPlaneProjector * planeProj;

private:
  SbLazyPimplPtr<SoScale2DraggerP> pimpl;

  // NOT IMPLEMENTED:
  SoScale2Dragger(const SoScale2Dragger & rhs);
  SoScale2Dragger & operator = (const SoScale2Dragger & rhs);
}; // SoScale2Dragger

#endif // !COIN_SOSCALE2DRAGGER_H
