2 mark-engraver.cc -- implement Mark_engraver
4 source file of the GNU LilyPond music typesetter
6 (c) 1998--2000 Jan Nieuwenhuizen <janneke@gnu.org>
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 "protected-scm.hh"
19 #include "side-position-interface.hh"
20 #include "staff-symbol-referencer.hh"
22 #include "group-interface.hh"
25 put stuff over or next to bars. Examples: bar numbers, marginal notes,
28 class Mark_engraver : public Engraver
31 VIRTUAL_COPY_CONS(Translator);
35 Protected_scm staffs_;
38 virtual void do_pre_move_processing ();
39 virtual void acknowledge_element (Score_element_info);
40 void create_items(Request*);
41 virtual bool do_try_music (Music *req_l);
42 virtual void do_process_music ();
43 virtual void do_post_move_processing ();
45 Mark_req * mark_req_l_;
49 ADD_THIS_TRANSLATOR (Mark_engraver);
52 Mark_engraver::Mark_engraver ()
62 Mark_engraver::acknowledge_element (Score_element_info inf)
64 Score_element * s = inf.elem_l_;
65 if (Staff_symbol::has_interface (s))
67 staffs_ = gh_cons (inf.elem_l_->self_scm (), staffs_);
69 else if (text_p_ && Bar::has_interface (s))
72 Ugh. Figure out how to do this right at beginning of line, (without
73 creating class Bar_script : public Item).
75 text_p_->set_parent (s, X_AXIS);
80 Mark_engraver::do_pre_move_processing ()
84 text_p_->set_elt_property("side-support-elements" , staffs_);
85 typeset_element (text_p_);
92 Mark_engraver::create_items (Request *rq)
97 SCM s = get_property ("basicMarkProperties");
98 text_p_ = new Item (s);
101 Side_position::set_axis (text_p_, Y_AXIS);
106 SCM prop = get_property ("markDirection");
109 prop = gh_int2scm (UP);
111 text_p_->set_elt_property ("direction", prop);
113 SCM padding = get_property ("markScriptPadding");
114 if (gh_number_p(padding))
116 text_p_->set_elt_property ("padding", padding);
121 ->set_elt_property ("padding",
122 gh_double2scm(paper_l ()->get_var ("interline")));
126 announce_element (text_p_, rq);
131 Mark_engraver::do_post_move_processing ()
138 Mark_engraver::do_try_music (Music* r_l)
140 if (Mark_req *mr = dynamic_cast <Mark_req *> (r_l))
142 if (mark_req_l_ && mr->equal_b (mark_req_l_))
153 Mark_engraver::do_process_music ()
157 create_items (mark_req_l_);
165 SCM m = mark_req_l_->get_mus_property ("label");
167 m = get_property ("rehearsalMark");
172 int mark_count = gh_scm2int (m);
173 t = to_str (mark_count);
175 m = gh_int2scm (mark_count);
177 else if (gh_string_p (m))
179 t = ly_scm2string (m);
187 m = ly_str02scm (next.ch_C());
194 daddy_trans_l_->set_property ("rehearsalMark", m);
197 text_p_->set_elt_property ("text",
198 ly_str02scm ( t.ch_C()));
200 String style = "mark";
201 for (int i=0; i < t.length_i(); i++)
209 SCM st = ly_str02scm (style.ch_C());
210 text_p_->set_elt_property ("style", st);