2 staff-sym-reg.cc -- implement Staff_symbol_engraver
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
9 #include "staff-sym-engraver.hh"
10 #include "staff-symbol.hh"
12 #include "paper-column.hh"
13 #include "staff-symbol-referencer.hh"
14 #include "paper-def.hh"
15 #include "staff-side.hh"
17 Staff_symbol_engraver::~Staff_symbol_engraver()
22 Staff_symbol_engraver::Staff_symbol_engraver()
28 Staff_symbol_engraver::do_creation_processing()
30 span_p_
= new Staff_symbol
;
31 span_p_
->set_bounds(LEFT
,get_staff_info().command_pcol_l ());
32 announce_element (Score_element_info (span_p_
, 0));
36 Staff_symbol_engraver::do_removal_processing()
38 SCM
l (get_property ("numberOfStaffLines", 0));
41 span_p_
->no_lines_i_
= gh_scm2int (l
);
44 SCM
sz (get_property ("staffLineLeading", 0));
47 span_p_
->staff_line_leading_f_
= gh_scm2double (sz
);
51 span_p_
->staff_line_leading_f_
= paper_l ()->get_var ("interline");
53 span_p_
->set_bounds(RIGHT
,get_staff_info().command_pcol_l ());
54 typeset_element (span_p_
);
59 Staff_symbol_engraver::acknowledge_element (Score_element_info s
)
61 s
.elem_l_
->set_elt_property ("staff-symbol", span_p_
->self_scm_
);
62 s
.elem_l_
->add_dependency (span_p_
); // UGH. UGH. UGH
64 SCM ss
=s
.elem_l_
->remove_elt_property ("staff-support");
65 if (gh_boolean_p (ss
) && gh_scm2bool (ss
))
67 Side_position_interface
si (s
.elem_l_
);
68 if (si
.is_staff_side_b ())
69 si
.add_support (span_p_
);
74 ADD_THIS_TRANSLATOR(Staff_symbol_engraver
);