staff.hh

   1 #ifndef STAFF_HH
   2 #define STAFF_HH
   3
   4 #include "score.hh"
   5 #include "voice.hh"
   6 #include "command.hh"
   7
   8 struct Staff_column {
   9     Score_column *score_column;
  10
  11     /// fields to collect data vertically.
  12     svec<Voice_element *> v_elts;
  13     svec<Command *> s_commands;
  14
  15     Staff_column(Score_column*s);
  16     bool mus() const ;
  17     Mtime when() const;
  18     void add(Voice_element*ve);
  19     /****************************************************************
  20       VIRTUAL
  21     ****************************************************************/
  22     virtual void process_requests()=0;
  23     virtual void process_commands()=0;
  24     virtual ~Staff_column() { }
  25 };
  26
  27
  28 /// base class for a collection of voices.
  29 struct Staff {
  30     /// synchronous horizontal stuff
  31     PointerList<Voice*> voices;
  32
  33     /// commands in chronological order
  34     PointerList<Command *> commands;
  35     PointerList<Staff_column*> cols;
  36
  37     /// indirections to the Score and PScore
  38     Score *score_;
  39     PScore *pscore_;
  40
  41     void add_voice(Voice *v);
  42     void add_staff_column(Staff_column *sp);
  43
  44
  45     /// interpret all requests and add items to #destination#.
  46     void process();
  47     /**
  48     This routines calls virtual functions from Staff, to delegate the
  49     interpretation of requests to a derived class of Staff */
  50
  51
  52     /****************************************************************
  53       VIRTUALS
  54     ****************************************************************/
  55
  56     void setup_staffcols();
  57
  58     virtual void set_output(PScore * destination)=0;
  59     virtual void grant_requests()=0;
  60
  61     Staff_column * get_col(Mtime,bool);
  62
  63     void add_commands(PointerList<Command* >const & sv);
  64     /**
  65     add all commands from sv.
  66
  67     PRE
  68     sv is time-ordered.
  69     */
  70     virtual Staff_column * create_col(Score_column * )=0;
  71
  72     void OK() const;
  73     void print() const;
  74     Mtime last() const;
  75     void clean_cols() ;
  76     virtual ~Staff() { }
  77 };
  78 #endif