2 mark-engraver.cc -- implement Mark_engraver
4 source file of the GNU LilyPond music typesetter
6 (c) 1998--2002 Jan Nieuwenhuizen <janneke@gnu.org>
10 #include "bar-line.hh"
11 #include "command-request.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"
24 put stuff over or next to bars. Examples: bar numbers, marginal notes,
27 class Mark_engraver : public Engraver
30 TRANSLATOR_DECLARATIONS(Mark_engraver);
35 virtual void stop_translation_timestep ();
36 virtual void acknowledge_grob (Grob_info);
37 void create_items (Request*);
38 virtual bool try_music (Music *req_l);
39 virtual void start_translation_timestep ();
40 virtual void process_music ();
43 Mark_req * mark_req_l_;
50 Mark_engraver::Mark_engraver ()
57 Mark_engraver::acknowledge_grob (Grob_info inf)
59 Grob * s = inf.grob_l_;
60 if (text_p_ && Bar_line::has_interface (s))
63 Ugh. Figure out how to do this right at beginning of line, (without
64 creating class Bar_script : public Item).
66 text_p_->set_parent (s, X_AXIS);
71 Mark_engraver::stop_translation_timestep ()
75 text_p_->set_grob_property ("side-support-elements" , get_property ("stavesFound"));
76 typeset_grob (text_p_);
83 Mark_engraver::create_items (Request *rq)
88 SCM s = get_property ("RehearsalMark");
89 text_p_ = new Item (s);
92 Side_position_interface::set_axis (text_p_, Y_AXIS);
94 announce_grob(text_p_, rq->self_scm());
99 Mark_engraver::start_translation_timestep ()
106 Mark_engraver::try_music (Music* r_l)
108 if (Mark_req *mr = dynamic_cast <Mark_req *> (r_l))
110 if (mark_req_l_ && mr->equal_b (mark_req_l_))
123 TODO: make the increment function in Scheme.
127 Mark_engraver::process_music ()
131 create_items (mark_req_l_);
139 SCM m = mark_req_l_->get_mus_property ("label");
140 if (gh_pair_p (m)) // markup text
141 text_p_->set_grob_property ("text",m);
144 if (!gh_string_p (m))
145 m = get_property ("rehearsalMark");
150 int mark_count = gh_scm2int (m);
151 t = to_str (mark_count);
153 m = gh_int2scm (mark_count);
155 else if (gh_string_p (m))
157 t = ly_scm2string (m);
165 m = ly_str02scm (next.ch_C ());
172 daddy_trans_l_->set_property ("rehearsalMark", m);
174 text_p_->set_grob_property ("text",
175 ly_str02scm (t.ch_C ()));
177 String style = "mark-number";
178 for (int i=0; i < t.length_i (); i++)
182 style = "mark-letter";
186 SCM st = ly_symbol2scm (style.ch_C ());
187 text_p_->set_grob_property ("font-style", st);
193 ENTER_DESCRIPTION(Mark_engraver,
195 /* creats*/ "RehearsalMark",
196 /* acks */ "bar-line-interface",
197 /* reads */ "rehearsalMark stavesFound",