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SoCallback.h

/**************************************************************************\
 *
 *  This file is part of the Coin 3D visualization library.
 *  Copyright (C) 1998-2002 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 Lesser General Public License
 *  version 2.1 as published by the Free Software Foundation. See the
 *  file LICENSE.LGPL at the root directory of the distribution for
 *  more details.
 *
 *  If you want to use Coin for applications not compatible with the
 *  LGPL, please contact SIM to acquire a Professional Edition license.
 *
 *  Systems in Motion, Prof Brochs gate 6, 7030 Trondheim, NORWAY
 *  http://www.sim.no support@sim.no Voice: +47 22114160 Fax: +47 22207097
 *
\**************************************************************************/

#ifndef COIN_SOCALLBACK_H
#define COIN_SOCALLBACK_H

#include <Inventor/nodes/SoSubNode.h>


typedef void SoCallbackCB(void * userdata, SoAction * action);

class COIN_DLL_API SoCallback : public SoNode {
    typedef SoNode inherited;

  SO_NODE_HEADER(SoCallback);

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

  void setCallback(SoCallbackCB * function, void * userdata = NULL);

  virtual void doAction(SoAction * action);
  virtual void callback(SoCallbackAction * action);
  virtual void GLRender(SoGLRenderAction * action);
  virtual void getBoundingBox(SoGetBoundingBoxAction * action);
  virtual void getMatrix(SoGetMatrixAction * action);
  virtual void handleEvent(SoHandleEventAction * action);
  virtual void pick(SoPickAction * action);
  virtual void search(SoSearchAction * action);
  virtual void write(SoWriteAction * action);
  virtual void getPrimitiveCount(SoGetPrimitiveCountAction * action);

protected:
  virtual ~SoCallback();

  virtual void copyContents(const SoFieldContainer * from,
                            SbBool copyconnections);

private:
  SoCallbackCB * cbfunc;
  void * cbdata;
};

#endif // !COIN_SOCALLBACK_H

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