lily/engraver-group.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.hh"
  11 #include "engraver.hh"
  12 #include "debug.hh"
  13 #include "p-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 void
  27 Engraver_group_engraver::do_announces()
  28 {
  29   Link_array<Translator_group> groups = group_l_arr ();
  30   for (int i=0; i < groups.size(); i++)
  31     {
  32       Engraver_group_engraver * group = dynamic_cast<Engraver_group_engraver*> (groups[i]);
  33       if (group)
  34         {
  35           group->do_announces();
  36         }
  37     }
  38
  39   Request dummy_req;
  40
  41   Link_array<Translator> nongroups = nongroup_l_arr ();
  42   while (announce_info_arr_.size ())
  43     {
  44       for (int j =0; j < announce_info_arr_.size(); j++)
  45         {
  46           Score_element_info info = announce_info_arr_[j];
  47
  48           if (!info.req_l_)
  49             info.req_l_ = &dummy_req;
  50           for (int i=0; i < nongroups.size(); i++)
  51             {   // Is this good enough?
  52               Engraver * eng = dynamic_cast<Engraver*> (nongroups[i]);
  53               if (eng && eng!= info.origin_trans_l_arr_[0])
  54                 eng->acknowledge_element (info);
  55             }
  56         }
  57       announce_info_arr_.clear ();
  58       for (int i=0; i < nongroups.size(); i++)
  59         {
  60           Engraver * eng = dynamic_cast<Engraver*> (nongroups[i]);
  61           if (eng)
  62             eng->process_acknowledged ();
  63         }
  64
  65     }
  66 }
  67
  68
  69 Staff_info
  70 Engraver_group_engraver::get_staff_info() const
  71 {
  72   Staff_info inf = Engraver::get_staff_info();
  73
  74   Link_array<Translator> simple_translators = nongroup_l_arr ();
  75   for (int i=0; i < simple_translators.size(); i++)
  76     {
  77     Engraver * eng = dynamic_cast<Engraver*> (simple_translators[i]);
  78     if (eng)
  79       eng->fill_staff_info (inf);
  80     }
  81   return inf;
  82 }
  83
  84
  85