2 mark-engraver.cc -- implement Mark_engraver
4 source file of the GNU LilyPond music typesetter
6 (c) 1998--2001 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 virtual void start_translation_timestep ();
42 virtual void initialize ();
43 virtual void process_music ();
46 Mark_req
* mark_req_l_
;
50 ADD_THIS_TRANSLATOR (Mark_engraver
);
53 Mark_engraver::Mark_engraver ()
60 Mark_engraver::initialize ()
62 daddy_trans_l_
->set_property ("staffsFound", SCM_EOL
); // ugh: sharing with barnumber grav.
67 Mark_engraver::acknowledge_grob (Grob_info inf
)
69 Grob
* s
= inf
.elem_l_
;
70 if (Staff_symbol::has_interface (s
)
71 || to_boolean (s
->get_grob_property ("invisible-staff")))
73 SCM sts
= get_property ("staffsFound");
74 SCM thisstaff
= inf
.elem_l_
->self_scm ();
75 if (scm_memq (thisstaff
, sts
) == SCM_BOOL_F
)
76 daddy_trans_l_
->set_property ("staffsFound", gh_cons (thisstaff
, sts
));
78 else if (text_p_
&& Bar::has_interface (s
))
81 Ugh. Figure out how to do this right at beginning of line, (without
82 creating class Bar_script : public Item).
84 text_p_
->set_parent (s
, X_AXIS
);
89 Mark_engraver::stop_translation_timestep ()
93 text_p_
->set_grob_property ("side-support-elements" , get_property ("staffsFound"));
94 typeset_grob (text_p_
);
101 Mark_engraver::create_items (Request
*rq
)
106 SCM s
= get_property ("RehearsalMark");
107 text_p_
= new Item (s
);
110 Side_position_interface::set_axis (text_p_
, Y_AXIS
);
112 announce_grob (text_p_
, rq
);
117 Mark_engraver::start_translation_timestep ()
124 Mark_engraver::try_music (Music
* r_l
)
126 if (Mark_req
*mr
= dynamic_cast <Mark_req
*> (r_l
))
128 if (mark_req_l_
&& mr
->equal_b (mark_req_l_
))
141 TODO: make the increment function in Scheme.
145 Mark_engraver::process_music ()
149 create_items (mark_req_l_
);
157 SCM m
= mark_req_l_
->get_mus_property ("label");
158 if (gh_pair_p (m
)) // markup text
159 text_p_
->set_grob_property ("text",m
);
162 if (!gh_string_p (m
))
163 m
= get_property ("rehearsalMark");
168 int mark_count
= gh_scm2int (m
);
169 t
= to_str (mark_count
);
171 m
= gh_int2scm (mark_count
);
173 else if (gh_string_p (m
))
175 t
= ly_scm2string (m
);
183 m
= ly_str02scm (next
.ch_C ());
190 daddy_trans_l_
->set_property ("rehearsalMark", m
);
192 text_p_
->set_grob_property ("text",
193 ly_str02scm (t
.ch_C ()));
195 String style
= "mark";
196 for (int i
=0; i
< t
.length_i (); i
++)
204 SCM st
= ly_symbol2scm (style
.ch_C ());
205 text_p_
->set_grob_property ("font-style", st
);