MeVisLab/Standard/Sources/Inventor/SoUtils/SoFocusElement.h

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// **InsertLicense** code
//----------------------------------------------------------------------------------

//----------------------------------------------------------------------------------

#ifndef __SoFocusElement_H
#define __SoFocusElement_H

#ifndef __SoUtilsSystem_H
#include "SoUtilsSystem.h"
#endif

#include <Inventor/elements/SoReplacedElement.h>
#include <Inventor/events/SoEvent.h>

enum FocusState {
  FS_FOCUS,   
  FS_NO_FOCUS,
};
class SbFocusInfo
{
  public:
    FocusState state;

    SbVec2f normClickCoords;
         
    SbFocusInfo() {
      state = FS_NO_FOCUS;
      normClickCoords = SbVec2f(0,0);
    }
    
    SbFocusInfo(FocusState state, SbVec2f normClickCoords) {
      this->state = state;
      this->normClickCoords = normClickCoords;
    }
    
    int operator==(const SbFocusInfo &i) const {
      return ( (state == i.state) &&
               (normClickCoords == i.normClickCoords));
    }
};

class SOUTILS_EXPORT SoFocusElement : public SoReplacedElement {

    SO_ELEMENT_HEADER(SoFocusElement);

  public:
    virtual void init(SoState *state);

    static const SbFocusInfo& get(SoState *state);

    SbFocusInfo getDefault();

    static void set(SoState *state, SoNode *node, const SbFocusInfo& focusInfo);

  SoINTERNAL public:
    static void     initClass();

  protected:
    SbFocusInfo _focusInfo;
};

#endif