X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fengraver-group.cc;h=35c14d460ddb3646cd3597048cd8f517b0c890fc;hb=7fe3cccd7cfcc4d0df003bc887694779354febfa;hp=2dc0b4131b24b756dbea75a0007be88550f43d2d;hpb=106e5978fe2fa568bbc6649bc8fcf1134307373a;p=lilypond.git diff --git a/lily/engraver-group.cc b/lily/engraver-group.cc index 2dc0b4131b..35c14d460d 100644 --- a/lily/engraver-group.cc +++ b/lily/engraver-group.cc @@ -1,95 +1,238 @@ /* - engravergroup.cc -- implement Engraver_group_engraver + This file is part of LilyPond, the GNU music typesetter. - source file of the GNU LilyPond music typesetter + Copyright (C) 1997--2015 Han-Wen Nienhuys - (c) 1997--1998 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 "plist.hh" +#include "context.hh" +#include "dispatcher.hh" #include "engraver-group.hh" -#include "engraver.hh" -#include "debug.hh" -#include "p-score.hh" -#include "score-element.hh" - -IMPLEMENT_IS_TYPE_B2(Engraver_group_engraver,Engraver, Translator_group); -ADD_THIS_TRANSLATOR(Engraver_group_engraver); +#include "global-context.hh" +#include "grob.hh" +#include "grob-properties.hh" +#include "paper-score.hh" +#include "translator-dispatch-list.hh" +#include "warn.hh" void -Engraver_group_engraver::announce_element (Score_element_info info) +Engraver_group::override (SCM sev) { - announce_info_arr_.push (info); - Engraver::announce_element (info); + Stream_event *ev = unsmob (sev); + SCM sym = ev->get_property ("symbol"); + Grob_property_info gpi (context (), sym); + + if (to_boolean (ev->get_property ("once"))) + { + SCM token = gpi.temporary_override (ev->get_property ("property-path"), + ev->get_property ("value")); + if (scm_is_pair (token)) + if (Global_context *g = context ()->get_global_context ()) + { + g->add_finalization (scm_list_4 (ly_context_matched_pop_property_proc, + context ()->self_scm (), + sym, + token)); + } + } + else + gpi.push (ev->get_property ("property-path"), + ev->get_property ("value")); } void -Engraver_group_engraver::do_announces() +Engraver_group::revert (SCM sev) { - Link_array groups = group_l_arr (); - for (int i=0; i < groups.size(); i++) + Stream_event *ev = unsmob (sev); + SCM sym = ev->get_property ("symbol"); + Grob_property_info gpi (context (), sym); + + if (to_boolean (ev->get_property ("once"))) { - Engraver * eng = groups[i]->access_Engraver (); - if (eng) - { - Engraver_group_engraver * group = - (Engraver_group_engraver*) eng; - group->do_announces(); - } + SCM token = gpi.temporary_revert (ev->get_property ("property-path")); + if (scm_is_pair (token)) + if (Global_context *g = context ()->get_global_context ()) + { + g->add_finalization (scm_list_4 (ly_context_matched_pop_property_proc, + context ()->self_scm (), + sym, + token)); + } } - - Request dummy_req; + else + gpi.pop (ev->get_property ("property-path")); +} - Link_array nongroups = nongroup_l_arr (); - while (announce_info_arr_.size ()) - { - for (int j =0; j < announce_info_arr_.size(); j++) - { - Score_element_info info = announce_info_arr_[j]; - - if (!info.req_l_) - info.req_l_ = &dummy_req; - for (int i=0; i < nongroups.size(); i++) - { // Is this good enough? - Engraver * eng = nongroups[i]->access_Engraver (); - if (eng && eng!= info.origin_grav_l_arr_[0]) - eng->acknowledge_element (info); - } - } - announce_info_arr_.clear (); - for (int i=0; i < nongroups.size(); i++) - { - Engraver * eng = nongroups[i]->access_Engraver (); - if (eng) - eng->process_acknowledged (); - } +void +Engraver_group::connect_to_context (Context *c) +{ + Translator_group::connect_to_context (c); + c->event_source ()->add_listener (GET_LISTENER (Engraver_group, override), ly_symbol2scm ("Override")); + c->event_source ()->add_listener (GET_LISTENER (Engraver_group, revert), ly_symbol2scm ("Revert")); +} - } +void +Engraver_group::disconnect_from_context () +{ + context ()->event_source ()->remove_listener (GET_LISTENER (Engraver_group, override), ly_symbol2scm ("Override")); + context ()->event_source ()->remove_listener (GET_LISTENER (Engraver_group, revert), ly_symbol2scm ("Revert")); + Translator_group::disconnect_from_context (); } +void +Engraver_group::announce_grob (Grob_info info, Direction dir, + Context *reroute_context) +{ + announce_infos_.push_back (Announce_grob_info (info, dir)); -Staff_info -Engraver_group_engraver::get_staff_info() const + Context *dad_con = reroute_context ? reroute_context + : context_->get_parent_context (); + + Engraver_group *dad_eng + = dad_con + ? dynamic_cast (dad_con->implementation ()) + : 0; + + if (dad_eng) + dad_eng->announce_grob (info, dir); +} + +void +Engraver_group::acknowledge_grobs () { - Staff_info inf = Engraver::get_staff_info(); + if (!announce_infos_.size ()) + return; + + SCM name_sym = ly_symbol2scm ("name"); - Link_array simple_translators = nongroup_l_arr (); - for (int i=0; i < simple_translators.size(); i++) + for (vsize j = 0; j < announce_infos_.size (); j++) { - Engraver * eng = simple_translators[i]->access_Engraver (); - if (eng) - eng->fill_staff_info (inf); + Announce_grob_info info = announce_infos_[j]; + + SCM meta = info.grob ()->get_property ("meta"); + SCM nm = scm_assoc (name_sym, meta); + if (scm_is_pair (nm)) + nm = scm_cdr (nm); + else + continue; + + SCM ackhandle = scm_hashq_create_handle_x (acknowledge_hash_table_drul_[info.start_end ()], + nm, SCM_BOOL_F); + + SCM acklist = scm_cdr (ackhandle); + + if (scm_is_false (acklist)) + { + SCM ifaces + = scm_cdr (scm_assoc (ly_symbol2scm ("interfaces"), meta)); + acklist = Engraver_dispatch_list::create (get_simple_trans_list (), + ifaces, info.start_end ()); + + scm_set_cdr_x (ackhandle, acklist); + } + + Engraver_dispatch_list *dispatch + = unsmob (acklist); + + if (dispatch) + dispatch->apply (info); } - return inf; } +/* + Ugh. This is slightly expensive. We could/should cache the value of + the group count? +*/ +bool +Engraver_group::pending_grobs () const +{ + if (!announce_infos_.empty ()) + return true; + for (SCM s = context_->children_contexts (); + scm_is_pair (s); s = scm_cdr (s)) + { + Context *c = unsmob (scm_car (s)); + Engraver_group *group + = dynamic_cast (c->implementation ()); + if (group && group->pending_grobs ()) + return true; + } + return false; +} -Engraver_group_engraver::~Engraver_group_engraver () +void +Engraver_group::do_announces () { + do + { + /* + DOCME: why is this inside the loop? + */ + for (SCM s = context ()->children_contexts (); + scm_is_pair (s); s = scm_cdr (s)) + { + Context *c = unsmob (scm_car (s)); + Engraver_group *group + = dynamic_cast (c->implementation ()); + if (group) + group->do_announces (); + } + + while (1) + { + precomputed_translator_foreach (PROCESS_ACKNOWLEDGED); + if (announce_infos_.size () == 0) + break; + + acknowledge_grobs (); + announce_infos_.clear (); + } + } + while (pending_grobs ()); +} + +Engraver_group::Engraver_group () +{ + acknowledge_hash_table_drul_[LEFT] + = acknowledge_hash_table_drul_[RIGHT] + = SCM_EOL; + + acknowledge_hash_table_drul_[LEFT] = scm_c_make_hash_table (61); + acknowledge_hash_table_drul_[RIGHT] = scm_c_make_hash_table (61); } -Engraver_group_engraver::Engraver_group_engraver () +#include "translator.icc" + +ADD_TRANSLATOR_GROUP (Engraver_group, + /* doc */ + "A group of engravers taken together.", + + /* create */ + "", + + /* read */ + "", + + /* write */ + "" + ); + +void +Engraver_group::derived_mark () const { + scm_gc_mark (acknowledge_hash_table_drul_[LEFT]); + scm_gc_mark (acknowledge_hash_table_drul_[RIGHT]); }