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;
29 Multi_measure_rest_engraver::acknowledge_element (Score_element_info i)
31 if (Bar *c = dynamic_cast<Bar*> (i.elem_l_))
34 mmrest_p_->add_column (c);
36 lastrest_p_->add_column (c);
41 Multi_measure_rest_engraver::do_try_music (Music* req_l)
43 if (Multi_measure_rest_req *mr = dynamic_cast<Multi_measure_rest_req *> (req_l))
45 if (multi_measure_req_l_)
46 if (!multi_measure_req_l_->equal_b (mr)
47 || rest_moments_[START] != now_mom ())
50 multi_measure_req_l_ = mr;
51 rest_moments_[START] = now_mom ();
53 rest_moments_[STOP] = rest_moments_[START] + multi_measure_req_l_->duration_.length_mom ();
60 Multi_measure_rest_engraver::do_process_requests ()
62 if (multi_measure_req_l_ && !mmrest_p_)
64 Time_description const *time = get_staff_info().time_C_;
65 mmrest_p_ = new Multi_measure_rest;
66 announce_element (Score_element_info (mmrest_p_, multi_measure_req_l_));
67 start_measure_i_ = time->bars_i_;
72 Multi_measure_rest_engraver::do_pre_move_processing ()
74 Moment now (now_mom ());
75 Time_description const *time = get_staff_info().time_C_;
76 if (mmrest_p_ && (now >= rest_moments_[START])
77 && !time->whole_in_measure_
78 && (mmrest_p_->column_arr_.size () >= 2))
80 typeset_element (mmrest_p_);
82 must keep mmrest_p_ around to set measures_i_
87 typeset_element (lastrest_p_);
93 Multi_measure_rest_engraver::do_post_move_processing ()
95 Time_description const *time = get_staff_info().time_C_;
96 Moment now (now_mom ());
98 if (mmrest_p_ && !time->whole_in_measure_)
100 lastrest_p_ = mmrest_p_;
101 lastrest_p_->measures_i_ = time->bars_i_ - start_measure_i_;
105 if (now >= rest_moments_[STOP])
107 multi_measure_req_l_ = 0;