NbNavigationState.h

#ifndef NB_NAVIGATIONSTATE_H
#define NB_NAVIGATIONSTATE_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
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\**************************************************************************/
 
#include <NutsnBolts/Basic.h>
 
class SoEvent;
class NbNavigationMode;
 
class NbNavigationStateP;
 
class NB_DLL_API NbNavigationState {
public:
  NbNavigationState(void);
  ~NbNavigationState(void);
 
  void push(NbNavigationMode * mode, const SoEvent * trigger);
  void pop(void);
  void reset(void);
 
  NbNavigationMode * getMode(void) const;
  const SoEvent * getTrigger(void) const;
 
private:
  NbNavigationStateP * pimpl;
 
}; // NbNavigationState
 
#endif // !NB_NAVIGATIONSTATE_H