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"
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);
37 virtual void stop_translation_timestep ();
38 virtual void acknowledge_grob (Grob_info);
39 void create_items(Request*);
40 virtual bool try_music (Music *req_l);
41 void deprecated_process_music ();
42 virtual void start_translation_timestep ();
43 virtual void do_creation_processing ();
44 virtual void create_grobs ();
47 Mark_req * mark_req_l_;
51 ADD_THIS_TRANSLATOR (Mark_engraver);
54 Mark_engraver::Mark_engraver ()
61 Mark_engraver::do_creation_processing ()
63 daddy_trans_l_->set_property ("staffsFound", SCM_EOL); // ugh: sharing with barnumber grav.
68 Mark_engraver::acknowledge_grob (Grob_info inf)
70 Grob * s = inf.elem_l_;
71 if (Staff_symbol::has_interface (s)
72 || to_boolean (s->get_grob_property ("invisible-staff")))
74 SCM sts = get_property ("staffsFound");
75 SCM thisstaff = inf.elem_l_->self_scm ();
76 if (scm_memq (thisstaff, sts) == SCM_BOOL_F)
77 daddy_trans_l_->set_property ("staffsFound", gh_cons (thisstaff, sts));
79 else if (text_p_ && Bar::has_interface (s))
82 Ugh. Figure out how to do this right at beginning of line, (without
83 creating class Bar_script : public Item).
85 text_p_->set_parent (s, X_AXIS);
90 Mark_engraver::stop_translation_timestep ()
94 text_p_->set_grob_property("side-support-elements" , get_property ("staffsFound"));
95 typeset_grob (text_p_);
102 Mark_engraver::create_items (Request *rq)
107 SCM s = get_property ("RehearsalMark");
108 text_p_ = new Item (s);
111 Side_position::set_axis (text_p_, Y_AXIS);
113 announce_grob (text_p_, rq);
118 Mark_engraver::start_translation_timestep ()
125 Mark_engraver::try_music (Music* r_l)
127 if (Mark_req *mr = dynamic_cast <Mark_req *> (r_l))
129 if (mark_req_l_ && mr->equal_b (mark_req_l_))
140 Mark_engraver::create_grobs ()
142 deprecated_process_music ();
146 Mark_engraver::deprecated_process_music ()
150 create_items (mark_req_l_);
158 SCM m = mark_req_l_->get_mus_property ("label");
159 if (!gh_string_p (m))
160 m = get_property ("rehearsalMark");
165 int mark_count = gh_scm2int (m);
166 t = to_str (mark_count);
168 m = gh_int2scm (mark_count);
170 else if (gh_string_p (m))
172 t = ly_scm2string (m);
180 m = ly_str02scm (next.ch_C());
187 daddy_trans_l_->set_property ("rehearsalMark", m);
190 text_p_->set_grob_property ("text",
191 ly_str02scm ( t.ch_C()));
193 String style = "mark";
194 for (int i=0; i < t.length_i(); i++)
202 SCM st = ly_symbol2scm (style.ch_C());
203 text_p_->set_grob_property ("style", st);