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)
45 if (Multi_measure_rest_req *mr = dynamic_cast<Multi_measure_rest_req *> (req_l))
47 if (multi_measure_req_l_)
48 if (!multi_measure_req_l_->equal_b (mr)
49 || rest_moments_[START] != now_mom ())
52 multi_measure_req_l_ = mr;
53 rest_moments_[START] = now_mom ();
55 rest_moments_[STOP] = rest_moments_[START] + multi_measure_req_l_->duration_.length_mom ();
62 Multi_measure_rest_engraver::do_process_requests ()
64 if (multi_measure_req_l_ && !mmrest_p_)
66 Time_description const *time = get_staff_info().time_C_;
67 mmrest_p_ = new Multi_measure_rest;
68 announce_element (Score_element_info (mmrest_p_, multi_measure_req_l_));
69 start_measure_i_ = time->bars_i_;
74 Multi_measure_rest_engraver::do_pre_move_processing ()
76 Moment now (now_mom ());
77 Time_description const *time = get_staff_info().time_C_;
78 if (mmrest_p_ && (now >= rest_moments_[START])
79 && !time->whole_in_measure_
80 && (mmrest_p_->column_arr_.size () >= 2))
82 typeset_element (mmrest_p_);
84 must keep mmrest_p_ around to set measures_i_
89 typeset_element (lastrest_p_);
95 Multi_measure_rest_engraver::do_post_move_processing ()
97 Time_description const *time = get_staff_info().time_C_;
98 Moment now (now_mom ());
100 if (mmrest_p_ && !time->whole_in_measure_)
102 lastrest_p_ = mmrest_p_;
103 lastrest_p_->measures_i_ = time->bars_i_ - start_measure_i_;
107 if (now >= rest_moments_[STOP])
109 multi_measure_req_l_ = 0;