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--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7 */
   8
   9 #include "flower-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
  17 ADD_THIS_TRANSLATOR(Engraver_group_engraver);
  18
  19 void
  20 Engraver_group_engraver::announce_element (Score_element_info info)
  21 {
  22   announce_info_arr_.push (info);
  23   Engraver::announce_element (info);
  24 }
  25
  26
  27 void
  28 Engraver_group_engraver::do_announces()
  29 {
  30   for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
  31     {
  32       if (Engraver_group_engraver *trg =  dynamic_cast <Engraver_group_engraver *> (p->car_))
  33         trg->do_announces ();
  34     }
  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           for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
  43             {
  44               if (!dynamic_cast <Engraver_group_engraver *> (p->car_))
  45                 {
  46                   Engraver * eng = dynamic_cast<Engraver*> (p->car_);
  47                   if (eng && eng!= info.origin_trans_l_arr (this)[0])
  48                     eng->acknowledge_element (info);
  49                 }
  50             }
  51         }
  52
  53       announce_info_arr_.clear ();
  54       for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
  55         {
  56           if (!dynamic_cast <Engraver_group_engraver *> (p->car_))
  57             {
  58               Engraver * eng = dynamic_cast<Engraver*> (p->car_);
  59               if (eng)
  60                 eng->process_acknowledged ();
  61             }
  62         }
  63     }
  64 }
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