//| 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 cmGrTksbFltk_h
#define cmGrTksbFltk_h

class Fl_Menu_Bar;
class cmdIf;

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

  void setTksbHandle( void* vp );

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

  virtual double sampleRate() const;

  virtual bool on_plot_object( cmGrPlotCbArg_t* arg );

  typedef enum
  {
    kInvalidTId,
    kSelectTId,
    kRefreshTId,
  } cbTId_t;

  cbTId_t cbTypeId() const;

  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
  {
    cmGrTksbFltk* p;
    int           id;
  } item_t;

  typedef enum
  {
    kEventTksbId,
    kSectionTksbId,
    kTakeTksbId
  } tksbId_t;

  typedef struct scObj_str
  {
    tksbId_t id; 
    union
    {
      const cmScoreEvt_t*     ep;
      const cmScoreSection_t* sp;
      unsigned                tlMarkerUid;
    } u;

    scObj_str( const cmScoreEvt_t* e)     : id(kEventTksbId)    { u.ep=e;}
    scObj_str( const cmScoreSection_t* s) : id(kSectionTksbId)  { u.sp=s;}
    scObj_str( unsigned i )               : id(kTakeTksbId)     { u.tlMarkerUid=i;}
  } scObj_t;

  cmErr_t          _err;
  //cmdIf*           _cmdIf;
  cmTakeSeqBldrH_t _tksbH;
  Fl_Menu_Bar*     _menuBar;
  unsigned         _samplesMetricId;
  unsigned         _secondsMetricId;
  double           _objSecs;
  unsigned         _objId;
  bool             _togFl; 
  cmGrPlObjH_t     _lastBarPlotObjH;
  item_t           _menuArray[ kMenuItemCnt ];
  unsigned         _nextTakeY;
  cbTId_t          _curCbTId;

  void _insertSection( const cmScoreSection_t* s );
  void _insertEvent( const cmScoreEvt_t* m );
  void _insertTake( const cmTksbScTrkTake_t* take );
  void _createMenu();
  bool _isMenuChecked( int id );
  void _setEventLabels();
  void _setSectionLabels();
  cmGrPlObjH_t _scEvtIdxToPlotObj( unsigned scEvtIdx );

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


#endif