X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fmulti-measure-rest-engraver.cc;h=590260a66e3299bc2d8e0f0d78e356fce55b0319;hb=21252d67ab47eda3d047c6c92751705b43572368;hp=51ff44654231651913b3ddc33fbe5a4ae4449007;hpb=4bbc3761de1012c805f55bc957cb9c7c35ef3ddc;p=lilypond.git diff --git a/lily/multi-measure-rest-engraver.cc b/lily/multi-measure-rest-engraver.cc index 51ff446542..590260a66e 100644 --- a/lily/multi-measure-rest-engraver.cc +++ b/lily/multi-measure-rest-engraver.cc @@ -1,124 +1,281 @@ /* - multi_measure_rest-engraver.cc -- implement Multi_measure_rest_engraver + This file is part of LilyPond, the GNU music typesetter. - (c) 1998--1999 Jan Nieuwenhuizen - Han-Wen Nienhuys + Copyright (C) 1998--2011 Jan Nieuwenhuizen + Han-Wen Nienhuys + + LilyPond is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + LilyPond is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with LilyPond. If not, see . */ -#include "proto.hh" -#include "musical-request.hh" #include "multi-measure-rest.hh" -#include "multi-measure-rest-engraver.hh" -#include "score-column.hh" -#include "time-description.hh" -#include "bar.hh" +#include "paper-column.hh" +#include "engraver-group.hh" +#include "side-position-interface.hh" +#include "staff-symbol-referencer.hh" +#include "stream-event.hh" +#include "moment.hh" +#include "spanner.hh" + +#include "translator.icc" + +/** + The name says it all: make multi measure rests +*/ +class Multi_measure_rest_engraver : public Engraver +{ +public: + TRANSLATOR_DECLARATIONS (Multi_measure_rest_engraver); + +protected: + void process_music (); + void stop_translation_timestep (); + void start_translation_timestep (); + virtual void finalize (); + DECLARE_TRANSLATOR_LISTENER (multi_measure_rest); + DECLARE_TRANSLATOR_LISTENER (multi_measure_text); + +private: + Stream_event *rest_ev_; + vector text_events_; + int start_measure_; + Rational last_main_moment_; + Moment stop_moment_; + bool bar_seen_; + Item *last_command_item_; + Spanner *last_rest_; + Spanner *mmrest_; -ADD_THIS_TRANSLATOR (Multi_measure_rest_engraver); + vector numbers_; + vector last_numbers_; +}; Multi_measure_rest_engraver::Multi_measure_rest_engraver () { - start_measure_i_ = 0; - rest_moments_[START] = - rest_moments_[STOP] =0; - multi_measure_req_l_ = 0; + last_command_item_ = 0; - lastrest_p_ =0; - mmrest_p_ = 0; + /* + For the start of a score. + */ + bar_seen_ = true; + start_measure_ = 0; + mmrest_ = 0; + last_rest_ = 0; + rest_ev_ = 0; } +IMPLEMENT_TRANSLATOR_LISTENER (Multi_measure_rest_engraver, multi_measure_rest); void -Multi_measure_rest_engraver::acknowledge_element (Score_element_info i) +Multi_measure_rest_engraver::listen_multi_measure_rest (Stream_event *ev) { - if (Bar *c = dynamic_cast (i.elem_l_)) - { - if (mmrest_p_) - mmrest_p_->add_column (c); - if (lastrest_p_) - lastrest_p_->add_column (c); - } + /* FIXME: Should use ASSIGN_EVENT_ONCE. Can't do that yet because of + the kill-mm-rests hack in part-combine-iterator. */ + rest_ev_ = ev; + stop_moment_ = now_mom () + get_event_length (rest_ev_, now_mom ()); + /* + if (ASSIGN_EVENT_ONCE (rest_ev_, ev)) + stop_moment_ = now_mom () + get_event_length (rest_ev_); + */ } -bool -Multi_measure_rest_engraver::do_try_music (Music* req_l) +IMPLEMENT_TRANSLATOR_LISTENER (Multi_measure_rest_engraver, multi_measure_text); +void +Multi_measure_rest_engraver::listen_multi_measure_text (Stream_event *ev) { - Rhythmic_req *r=0; - if (Multi_measure_rest_req *mr = - dynamic_cast (req_l)) - r=mr; - else if (Repetitions_req *rr = - dynamic_cast (req_l)) - r=rr; - if (r) - { - if (multi_measure_req_l_) - if (!multi_measure_req_l_->equal_b (r) - || rest_moments_[START] != now_mom ()) - return false; - - multi_measure_req_l_ = r; - rest_moments_[START] = now_mom (); - - rest_moments_[STOP] = rest_moments_[START] + - multi_measure_req_l_->duration_.length_mom (); - return true; - } - return false; + text_events_.push_back (ev); } void -Multi_measure_rest_engraver::do_process_requests () +Multi_measure_rest_engraver::process_music () { - if (multi_measure_req_l_ && !mmrest_p_) + if (rest_ev_ && !mmrest_ + && stop_moment_ > now_mom ()) { - Time_description const *time = get_staff_info().time_C_; - mmrest_p_ = new Multi_measure_rest; - if(dynamic_cast (multi_measure_req_l_)) - mmrest_p_->set_elt_property (alt_symbol_scm_sym, - ly_ch_C_to_scm ("scripts-repeatsign")); - announce_element (Score_element_info (mmrest_p_, multi_measure_req_l_)); - start_measure_i_ = time->bars_i_; + mmrest_ = make_spanner ("MultiMeasureRest", rest_ev_->self_scm ()); + + Spanner *sp + = make_spanner ("MultiMeasureRestNumber", rest_ev_->self_scm ()); + numbers_.push_back (sp); + + if (text_events_.size ()) + { + for (vsize i = 0; i < text_events_.size (); i++) + { + Stream_event *e = text_events_[i]; + Spanner *sp + = make_spanner ("MultiMeasureRestText", e->self_scm ()); + SCM t = e->get_property ("text"); + SCM dir = e->get_property ("direction"); + sp->set_property ("text", t); + if (is_direction (dir)) + sp->set_property ("direction", dir); + + numbers_.push_back (sp); + } + + /* + Stack different scripts. + */ + Direction d = DOWN; + do + { + Grob *last = 0; + for (vsize i = 0; i < numbers_.size (); i++) + { + if (scm_from_int (d) == numbers_[i]->get_property ("direction")) + { + if (last) + Side_position_interface::add_support (numbers_[i], last); + last = numbers_[i]; + } + } + } + while (flip (&d) != DOWN); + } + + for (vsize i = 0; i < numbers_.size (); i++) + { + Side_position_interface::add_support (numbers_[i], mmrest_); + numbers_[i]->set_parent (mmrest_, Y_AXIS); + } + + start_measure_ + = scm_to_int (get_property ("internalBarNumber")); } + + bar_seen_ = bar_seen_ || scm_is_string (get_property ("whichBar")); } void -Multi_measure_rest_engraver::do_pre_move_processing () +Multi_measure_rest_engraver::stop_translation_timestep () { - Moment now (now_mom ()); - Time_description const *time = get_staff_info().time_C_; - if (mmrest_p_ && (now >= rest_moments_[START]) - && !time->whole_in_measure_ - && (mmrest_p_->column_arr_.size () >= 2)) + /* We cannot do this earlier, as breakableSeparationItem is not yet + there. + + Actually, we no longer use breakableSeparationItem -- should this be moved? + -- jneem */ + if (bar_seen_) { - typeset_element (mmrest_p_); - /* - must keep mmrest_p_ around to set measures_i_ - */ + Grob *cmc = unsmob_grob (get_property ("currentCommandColumn")); + + /* Ugh, this is a kludge - need this for multi-measure-rest-grace.ly */ + last_command_item_ = dynamic_cast (cmc); } - if (lastrest_p_) + + if (last_command_item_ && (mmrest_ || last_rest_)) + { + if (last_rest_) + { + add_bound_item (last_rest_, last_command_item_); + for (vsize i = 0; i < last_numbers_.size (); i++) + add_bound_item (last_numbers_[i], last_command_item_); + } + + if (mmrest_) + { + add_bound_item (mmrest_, last_command_item_); + for (vsize i = 0; i < numbers_.size (); i++) + add_bound_item (numbers_[i], last_command_item_); + + last_command_item_ = 0; + } + } + + Moment mp (robust_scm2moment (get_property ("measurePosition"), Moment (0))); + if (last_rest_) { - typeset_element (lastrest_p_); - lastrest_p_ = 0; + last_rest_ = 0; + last_numbers_.clear (); } + + text_events_.clear (); + bar_seen_ = false; } void -Multi_measure_rest_engraver::do_post_move_processing () +Multi_measure_rest_engraver::start_translation_timestep () { - Time_description const *time = get_staff_info().time_C_; - Moment now (now_mom ()); + if (now_mom ().main_part_ >= stop_moment_.main_part_) + rest_ev_ = 0; - if (mmrest_p_ && !time->whole_in_measure_) - { - lastrest_p_ = mmrest_p_; - lastrest_p_->measures_i_ = time->bars_i_ - start_measure_i_; - mmrest_p_ = 0; - } + Moment mp (robust_scm2moment (get_property ("measurePosition"), Moment (0))); - if (now >= rest_moments_[STOP]) + Moment now = now_mom (); + if (mmrest_ + && now.main_part_ != last_main_moment_ + && mp.main_part_ == Rational (0)) { - multi_measure_req_l_ = 0; - mmrest_p_ = 0; + last_rest_ = mmrest_; + last_numbers_ = numbers_; + + int cur = scm_to_int (get_property ("internalBarNumber")); + int num = cur - start_measure_; + + /* + We can't plug a markup directly into the grob, since the + measure-count determines the formatting of the mmrest. + */ + last_rest_->set_property ("measure-count", scm_from_int (num)); + + mmrest_ = 0; + numbers_.clear (); + + Grob *last = last_numbers_.size () ? last_numbers_[0] : 0; + if (last && last->get_property ("text") == SCM_EOL) + { + SCM thres = get_property ("restNumberThreshold"); + int t = 1; + if (scm_is_number (thres)) + t = scm_to_int (thres); + + if (num <= t) + last->suicide (); + else + { + SCM text + = scm_number_to_string (scm_from_int (num), scm_from_int (10)); + last->set_property ("text", text); + } + } } + + last_main_moment_ = now.main_part_; } +void +Multi_measure_rest_engraver::finalize () +{ +} + +ADD_TRANSLATOR (Multi_measure_rest_engraver, + /* doc */ + "Engrave multi-measure rests that are produced with" + " @samp{R}. It reads @code{measurePosition} and" + " @code{internalBarNumber} to determine what number to print" + " over the @ref{MultiMeasureRest}.", + + /* create */ + "MultiMeasureRest " + "MultiMeasureRestNumber " + "MultiMeasureRestText ", + + /* read */ + "internalBarNumber " + "restNumberThreshold " + "currentCommandColumn " + "measurePosition ", + + /* write */ + "" + );