//| Copyright: (C) 2019-2020 Kevin Larke <contact AT larke DOT org> 
//| License: GNU GPL version 3.0 or above. See the accompanying LICENSE file.
#ifndef cmGrScFltk_h
#define cmGrScFltk_h

class Fl_Menu_Bar;
class cmdIf;

class cmGrScFltk : public cmGrPlotFltk, public gvHashFuncArg
{
 public:
  cmGrScFltk(cmCtx_t* ctx, cmdIf* cp, Fl_Menu_Bar* menuBar, int x, int y, int w, int h);
  virtual ~cmGrScFltk();

  virtual cmScMsgTypeId_t recvScoreMsg( const void* msg, unsigned msgByteCnt );

  void setSampleRate( double srate );
  virtual double sampleRate() const;

  virtual bool on_plot_object( cmGrPlotCbArg_t* arg );

  virtual void selectBar( unsigned barNumb );
  
  virtual unsigned scoreSelectedEleIndex() const;

  virtual void setScoreLocation( unsigned locIdx, unsigned vel, unsigned smpIdx );

 private:
  enum
  {
    kOkRC,
    kInsertObjFailRC
  };

  enum
  {
    kPitchMId,
    kAttrMId,
    kDynMId,
    kLocIdxMId,
    kFracMId,
    kSectEvenMId,
    kSectDynMId,
    kSectTempoMId,
    kMenuItemCnt
  };

  typedef struct
  {
    cmGrScFltk* p;
    int         id;
  } item_t;

  typedef struct scObj_str
  {
    cmScMsgTypeId_t id; // kEventMsgScId | kSectionMsgScId 
    union
    {
      const cmScoreEvt_t*     ep;
      const cmScoreSection_t* sp;
    } u;

    scObj_str( const cmScoreEvt_t* e)     : id(kEventMsgScId)   {u.ep=e;}
    scObj_str( const cmScoreSection_t* s) : id(kSectionMsgScId) {u.sp=s;}
  } scObj_t;

  double       _srate;
  cmErr_t      _err;
  cmdIf*       _cmdIf;
  Fl_Menu_Bar* _menuBar;
  unsigned     _samplesMetricId;
  unsigned     _secondsMetricId;
  double       _objSecs;
  unsigned     _objId;
  bool         _togFl; 
  cmGrPlObjH_t _lastBarPlotObjH;
  item_t       _menuArray[ kMenuItemCnt ];

  void _insertSection( const cmScoreSection_t* s );
  void _insertEvent( const cmScoreEvt_t* m );
  void _createMenu();
  bool _isMenuChecked( int id );
  void _setEventLabels();
  void _setSectionLabels();

  static void _s_menuCallback(Fl_Widget* w, void* arg);
  
};


#endif