2 mark-engraver.cc -- implement Mark_engraver
4 source file of the GNU LilyPond music typesetter
6 (c) 1998--2003 Jan Nieuwenhuizen <janneke@gnu.org>
10 #include "bar-line.hh"
12 #include "staff-symbol.hh"
13 #include "engraver-group-engraver.hh"
14 #include "engraver.hh"
15 #include "lily-guile.hh"
16 #include "paper-column.hh"
17 #include "paper-def.hh"
18 #include "side-position-interface.hh"
19 #include "staff-symbol-referencer.hh"
21 #include "group-interface.hh"
22 #include "text-item.hh"
25 put stuff over or next to bars. Examples: bar numbers, marginal notes,
28 class Mark_engraver : public Engraver
31 TRANSLATOR_DECLARATIONS(Mark_engraver);
36 virtual void stop_translation_timestep ();
37 virtual void acknowledge_grob (Grob_info);
38 void create_items (Music*);
39 virtual bool try_music (Music *req);
40 virtual void start_translation_timestep ();
41 virtual void process_music ();
51 Mark_engraver::Mark_engraver ()
58 Mark_engraver::acknowledge_grob (Grob_info inf)
61 if (text_ && Bar_line::has_interface (s))
64 Ugh. Figure out how to do this right at beginning of line, (without
65 creating class Bar_script : public Item).
67 text_->set_parent (s, X_AXIS);
72 Mark_engraver::stop_translation_timestep ()
76 text_->set_grob_property ("side-support-elements" , get_property ("stavesFound"));
84 Mark_engraver::create_items (Music *rq)
89 SCM s = get_property ("RehearsalMark");
93 announce_grob(text_, rq->self_scm());
98 Mark_engraver::start_translation_timestep ()
105 Mark_engraver::try_music (Music* r)
114 TODO: make the increment function in Scheme.
118 Mark_engraver::process_music ()
122 create_items (mark_req_);
130 SCM m = mark_req_->get_mus_property ("label");
131 if (gh_pair_p (m) || new_markup_p (m))
133 text_->set_grob_property ("text",m);
137 if (!gh_string_p (m) && !gh_number_p (m))
138 m = get_property ("rehearsalMark");
142 int mark_count = gh_scm2int (m);
143 t = to_string (mark_count);
145 m = gh_int2scm (mark_count);
147 else if (gh_string_p (m))
149 t = ly_scm2string (m);
155 next = to_string (c);
157 m = scm_makfrom0str (next.to_str0 ());
164 daddy_trans_->set_property ("rehearsalMark", m);
166 text_->set_grob_property ("text",
167 scm_makfrom0str (t.to_str0 ()));
169 String style = "mark-number";
170 for (int i=0; i < t.length (); i++)
174 style = "mark-letter";
178 SCM st = ly_symbol2scm (style.to_str0 ());
179 text_->set_grob_property ("font-style", st);
185 ENTER_DESCRIPTION(Mark_engraver,
187 /* creats*/ "RehearsalMark",
188 /* accepts */ "mark-event",
189 /* acks */ "bar-line-interface",
190 /* reads */ "rehearsalMark stavesFound",