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 Han-Wen Nienhuys <hanwen@stack.nl>
   7 */
   8
   9 #include "proto.hh"
  10 #include "plist.hh"
  11 #include "engraver-group.hh"
  12 #include "engraver.hh"
  13 #include "debug.hh"
  14 #include "p-score.hh"
  15 #include "score-elem.hh"
  16
  17 IMPLEMENT_IS_TYPE_B2(Engraver_group_engraver,Engraver, Translator_group);
  18 ADD_THIS_TRANSLATOR(Engraver_group_engraver);
  19
  20 void
  21 Engraver_group_engraver::announce_element (Score_elem_info info)
  22 {
  23   announce_info_arr_.push (info);
  24   Engraver::announce_element (info);
  25 }
  26
  27 void
  28 Engraver_group_engraver::do_announces()
  29 {
  30   Link_array<Translator_group> groups = group_l_arr ();
  31   for (int i=0; i < groups.size(); i++)
  32     {
  33       Engraver * eng = groups[i]->engraver_l ();
  34       if (eng)
  35         {
  36           Engraver_group_engraver * group =
  37             (Engraver_group_engraver*) eng;
  38           group->do_announces();
  39         }
  40     }
  41
  42   Request dummy_req;
  43
  44   Link_array<Translator> nongroups = nongroup_l_arr ();
  45   for (int j =0; j < announce_info_arr_.size(); j++)
  46     {
  47       Score_elem_info info = announce_info_arr_[j];
  48
  49       if (!info.req_l_)
  50         info.req_l_ = &dummy_req;
  51       for (int i=0; i < nongroups.size(); i++)
  52         {       // Is this good enough?
  53           Engraver * eng = nongroups[i]->engraver_l ();
  54           if (eng && eng!= info.origin_grav_l_arr_[0])
  55             eng->acknowledge_element (info);
  56         }
  57     }
  58   announce_info_arr_.clear();
  59 }
  60
  61
  62 Staff_info
  63 Engraver_group_engraver::get_staff_info() const
  64 {
  65   Staff_info inf = Engraver::get_staff_info();
  66
  67   Link_array<Translator> simple_translators = nongroup_l_arr ();
  68   for (int i=0; i < simple_translators.size(); i++)
  69     {
  70     Engraver * eng = simple_translators[i]->engraver_l ();
  71     if (eng)
  72       eng->fill_staff_info (inf);
  73     }
  74   return inf;
  75 }
  76
  77
  78
  79 Engraver_group_engraver::~Engraver_group_engraver ()
  80 {
  81 }
  82
  83 Engraver_group_engraver::Engraver_group_engraver ()
  84 {
  85 }