lily/engraver-group-engraver.cc

   1 /*
   2   engravergroup.cc -- implement Engraver_group_engraver
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c)  1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7 */
   8
   9 #include "proto.hh"
  10 #include "engraver-group-engraver.hh"
  11 #include "engraver.hh"
  12 #include "debug.hh"
  13 #include "paper-score.hh"
  14 #include "score-element.hh"
  15
  16 ADD_THIS_TRANSLATOR (Engraver_group_engraver);
  17
  18 void
  19 Engraver_group_engraver::announce_element (Score_element_info info)
  20 {
  21   announce_info_arr_.push (info);
  22   Engraver::announce_element (info);
  23 }
  24
  25 void
  26 Engraver_group_engraver::do_announces()
  27 {
  28   for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
  29     {
  30       if (Engraver_group_engraver *trg =  dynamic_cast <Engraver_group_engraver *> (p->car_))
  31         trg->do_announces ();
  32     }
  33
  34   Request dummy_req;
  35
  36   while (announce_info_arr_.size ())
  37     {
  38       for (int j =0; j < announce_info_arr_.size(); j++)
  39         {
  40           Score_element_info info = announce_info_arr_[j];
  41
  42           if (!info.req_l_)
  43             info.req_l_ = &dummy_req;
  44
  45           for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
  46             {
  47               if (!dynamic_cast <Engraver_group_engraver *> (p->car_))
  48                 {
  49                   Engraver * eng = dynamic_cast<Engraver*> (p->car_);
  50                   if (eng && eng!= info.origin_trans_l_arr_[0])
  51                     eng->acknowledge_element (info);
  52                 }
  53             }
  54         }
  55
  56       announce_info_arr_.clear ();
  57       for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
  58         {
  59           if (!dynamic_cast <Engraver_group_engraver *> (p->car_))
  60             {
  61               Engraver * eng = dynamic_cast<Engraver*> (p->car_);
  62               if (eng)
  63                 eng->process_acknowledged ();
  64             }
  65         }
  66     }
  67 }
  68
  69
  70 Staff_info
  71 Engraver_group_engraver::get_staff_info() const
  72 {
  73   Staff_info inf = Engraver::get_staff_info();
  74   return inf;
  75 }
  76
  77
  78