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 "plist.hh"
  11 #include "engraver-group.hh"
  12 #include "engraver.hh"
  13 #include "debug.hh"
  14 #include "p-score.hh"
  15 #include "score-element.hh"
  16
  17
  18 ADD_THIS_TRANSLATOR(Engraver_group_engraver);
  19
  20 void
  21 Engraver_group_engraver::announce_element (Score_element_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_group_engraver * group = dynamic_cast<Engraver_group_engraver*> (groups[i]);
  34       if (group)
  35         {
  36           group->do_announces();
  37         }
  38     }
  39
  40   Request dummy_req;
  41
  42   Link_array<Translator> nongroups = nongroup_l_arr ();
  43   while (announce_info_arr_.size ())
  44     {
  45       for (int j =0; j < announce_info_arr_.size(); j++)
  46         {
  47           Score_element_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 = dynamic_cast<Engraver*> (nongroups[i]);
  54               if (eng && eng!= info.origin_grav_l_arr_[0])
  55                 eng->acknowledge_element (info);
  56             }
  57         }
  58       announce_info_arr_.clear ();
  59       for (int i=0; i < nongroups.size(); i++)
  60         {
  61           Engraver * eng = dynamic_cast<Engraver*> (nongroups[i]);
  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
  75   Link_array<Translator> simple_translators = nongroup_l_arr ();
  76   for (int i=0; i < simple_translators.size(); i++)
  77     {
  78     Engraver * eng = dynamic_cast<Engraver*> (simple_translators[i]);
  79     if (eng)
  80       eng->fill_staff_info (inf);
  81     }
  82   return inf;
  83 }
  84
  85
  86
  87 Engraver_group_engraver::~Engraver_group_engraver ()
  88 {
  89 }
  90
  91 Engraver_group_engraver::Engraver_group_engraver ()
  92 {
  93 }