2 multi_measure_rest-engraver.cc -- implement Multi_measure_rest_engraver
4 (c) 1998--1999 Jan Nieuwenhuizen <janneke@gnu.org>
5 Han-Wen Nienhuys <hanwen@cs.uu.nl>
9 #include "musical-request.hh"
10 #include "multi-measure-rest.hh"
11 #include "multi-measure-rest-engraver.hh"
12 #include "score-column.hh"
13 #include "time-description.hh"
17 ADD_THIS_TRANSLATOR (Multi_measure_rest_engraver);
19 Multi_measure_rest_engraver::Multi_measure_rest_engraver ()
22 rest_moments_[START] =
23 rest_moments_[STOP] =0;
24 multi_measure_req_l_ = 0;
31 Multi_measure_rest_engraver::acknowledge_element (Score_element_info i)
33 if (Bar *c = dynamic_cast<Bar*> (i.elem_l_))
36 mmrest_p_->add_column (c);
38 lastrest_p_->add_column (c);
43 Multi_measure_rest_engraver::do_try_music (Music* req_l)
46 if (Multi_measure_rest_req *mr =
47 dynamic_cast<Multi_measure_rest_req *> (req_l))
49 else if (Repetitions_req *rr =
50 dynamic_cast<Repetitions_req *> (req_l))
54 if (multi_measure_req_l_)
55 if (!multi_measure_req_l_->equal_b (r)
56 || rest_moments_[START] != now_mom ())
59 multi_measure_req_l_ = r;
60 rest_moments_[START] = now_mom ();
62 rest_moments_[STOP] = rest_moments_[START] +
63 multi_measure_req_l_->duration_.length_mom ();
70 Multi_measure_rest_engraver::do_process_requests ()
72 if (multi_measure_req_l_ && !mmrest_p_)
74 Time_description const *time = get_staff_info().time_C_;
75 mmrest_p_ = new Multi_measure_rest;
76 if(dynamic_cast<Repetitions_req *> (multi_measure_req_l_))
77 mmrest_p_->set_elt_property ("alt-symbol",
78 ly_ch_C_to_scm ("scripts-repeatsign"));
79 announce_element (Score_element_info (mmrest_p_, multi_measure_req_l_));
80 start_measure_i_ = time->bars_i_;
85 Multi_measure_rest_engraver::do_pre_move_processing ()
87 Moment now (now_mom ());
88 Time_description const *time = get_staff_info().time_C_;
89 if (mmrest_p_ && (now >= rest_moments_[START])
90 && !time->whole_in_measure_
91 && (mmrest_p_->column_arr_.size () >= 2))
93 typeset_element (mmrest_p_);
95 must keep mmrest_p_ around to set measures_i_
100 typeset_element (lastrest_p_);
106 Multi_measure_rest_engraver::do_post_move_processing ()
108 Time_description const *time = get_staff_info().time_C_;
109 Moment now (now_mom ());
111 if (mmrest_p_ && !time->whole_in_measure_)
113 lastrest_p_ = mmrest_p_;
114 lastrest_p_->measures_i_ = time->bars_i_ - start_measure_i_;
118 if (now >= rest_moments_[STOP])
120 multi_measure_req_l_ = 0;