2 repeat-engraver.cc -- implement Repeat_engraver
4 source file of the GNU LilyPond music typesetter
6 (c) 1998 Jan Nieuwenhuizen <janneke@gnu.org>
9 #include "repeat-engraver.hh"
11 #include "musical-request.hh"
12 #include "multi-measure-rest.hh"
13 #include "command-request.hh"
14 #include "time-description.hh"
15 #include "engraver-group.hh"
16 #include "repeated-music.hh"
17 #include "time-description.hh"
18 #include "volta-spanner.hh"
19 //#include "note-column.hh"
21 ADD_THIS_TRANSLATOR (Repeat_engraver);
23 Repeat_engraver::Repeat_engraver ()
28 Repeat_engraver::do_try_music (Music* m)
30 if (Repeated_music* r = dynamic_cast<Repeated_music *> (m))
32 Moment stop_mom = now_moment () + r->repeat_p_->duration ()
33 + r->alternative_p_->music_p_list_p_->top ()->duration ();
34 Moment alt_mom = now_moment () + r->repeat_p_->duration ();
37 figure out what we don't want.
39 we don't want to print more than one set of
40 |: :| and volta brackets on one staff.
42 counting nested repeats, it seems safest to forbid
43 two pieces of alternative music to start at the same time.
45 for (int i = 0; i < alternative_start_mom_arr_.size (); i++)
46 if (alternative_start_mom_arr_[i] == alt_mom)
48 repeated_music_arr_.push (r);
49 stop_mom_arr_.push (stop_mom);
50 for (PCursor<Music*> i (r->alternative_p_->music_p_list_p_->top ()); i.ok (); i++)
52 alternative_music_arr_.push (i.ptr ());
53 alternative_start_mom_arr_.push (alt_mom);
54 alt_mom += i->duration ();
55 alternative_stop_mom_arr_.push (alt_mom);
63 Repeat_engraver::acknowledge_element (Score_element_info i)
65 Moment now = now_moment ();
66 // if (Note_column *c = dynamic_cast<Note_column *> (i.elem_l_))
67 if (Bar *c = dynamic_cast<Bar*> (i.elem_l_))
69 for (int i = 0; i < volta_p_arr_.size (); i++)
70 if ((now >= alternative_start_mom_arr_[i]) && volta_p_arr_[i])
71 volta_p_arr_[i]->add_column (c);
76 Repeat_engraver::do_removal_processing ()
78 for (int i = 0; i < bar_p_arr_.size (); i++)
80 typeset_element (bar_p_arr_[i]);
81 for (int i = 0; i < volta_p_arr_.size (); i++)
83 typeset_element (volta_p_arr_[i]);
87 Repeat_engraver::do_process_requests ()
89 Moment now = now_moment ();
90 for (int i = bar_p_arr_.size (); i < repeated_music_arr_.size (); i++)
93 bar_p-> type_str_ = "|:";
94 bar_p_arr_.push (bar_p);
96 announce_element (Score_element_info (bar_p, repeated_music_arr_[i]));
98 #if 0 //urg, try pre-ceating and announcing
99 for (int i = 0; i < bar_p_arr_.size (); i++)
101 if (!bar_p_arr_[i] && (now >= stop_mom_arr_[i]))
103 Bar* bar_p = new Bar;
104 bar_p-> type_str_ = ":|";
105 bar_p_arr_[i] = bar_p;
106 announce_element (Score_element_info (bar_p, repeated_music_arr_[i]));
110 int bees = volta_p_arr_.size ();
111 for (int i = volta_p_arr_.size (); i < alternative_music_arr_.size (); i++)
113 Volta_spanner* v = new Volta_spanner;
114 if (i == alternative_music_arr_.size () - 1)
116 Text_def* t = new Text_def;
117 t->text_str_ = to_str (i - bees + 1);
118 v->number_p_.set_p (t);
119 volta_p_arr_.push (v);
120 announce_element (Score_element_info (v, alternative_music_arr_[i]));
125 Repeat_engraver::do_pre_move_processing ()
127 Moment now = now_moment ();
128 for (int i = bar_p_arr_.size (); i--; )
132 if (now > Moment (0))
133 typeset_element (bar_p_arr_[i]);
135 delete bar_p_arr_[i];
139 for (int i = volta_p_arr_.size (); i--; )
141 if (now >= alternative_stop_mom_arr_[i])
145 typeset_element (volta_p_arr_[i]);
153 Repeat_engraver::do_post_move_processing ()
155 Moment now = now_moment ();
156 for (int i = bar_p_arr_.size (); i--; )
158 #if 0 // urg, try with pre-created and annouced :|
159 if (now >= stop_mom_arr_[i])
163 typeset_element (bar_p_arr_[i]);
165 stop_mom_arr_.del (i);
166 repeated_music_arr_.del (i);
174 if (now >= stop_mom_arr_[i])
176 Bar* bar_p = new Bar;
177 bar_p-> type_str_ = ":|";
178 typeset_element (bar_p);
180 stop_mom_arr_.del (i);
181 repeated_music_arr_.del (i);