X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Faccidental-engraver.cc;h=c7eb79955a827f3061dce6d32d5c38a823cd8846;hb=66adac8fa4ba5126100ff8748a2576c6983637c5;hp=4d86929756ecc9ba41865f3ae0fb068f42f76cc8;hpb=a501f5946426488804ca2b03ab986f9c2b94ab99;p=lilypond.git diff --git a/lily/accidental-engraver.cc b/lily/accidental-engraver.cc index 4d86929756..c7eb79955a 100644 --- a/lily/accidental-engraver.cc +++ b/lily/accidental-engraver.cc @@ -1,32 +1,40 @@ /* accidental-engraver.cc -- implement accidental_engraver - (c) 1997--2004 Han-Wen Nienhuys + source file of the GNU LilyPond music typesetter + + (c) 1997--2006 Han-Wen Nienhuys Modified 2001--2002 by Rune Zedeler */ -#include "event.hh" +#include "accidental-placement.hh" +#include "arpeggio.hh" #include "spanner.hh" +#include "context.hh" #include "item.hh" -#include "tie.hh" +#include "engraver.hh" +#include "international.hh" +#include "pitch.hh" +#include "protected-scm.hh" #include "rhythmic-head.hh" -#include "engraver-group-engraver.hh" -#include "accidental-placement.hh" #include "side-position-interface.hh" -#include "engraver.hh" -#include "arpeggio.hh" +#include "stream-event.hh" +#include "tie.hh" #include "warn.hh" -#include "context.hh" -#include "protected-scm.hh" +#include "translator.icc" -struct Accidental_entry { +class Accidental_entry +{ +public: bool done_; - Music * melodic_; - Grob * accidental_; + Stream_event *melodic_; + Grob *accidental_; Context *origin_; - Grob* head_; + Engraver *origin_engraver_; + Grob *head_; bool tied_; + Accidental_entry (); }; @@ -34,51 +42,61 @@ Accidental_entry::Accidental_entry () { tied_ = false; done_ = false; - melodic_ =0; + melodic_ = 0; accidental_ = 0; origin_ = 0; head_ = 0; } -struct Accidental_engraver : Engraver { +class Accidental_engraver : public Engraver +{ + int get_bar_number (); + void update_local_key_signature (); + void create_accidental (Accidental_entry *entry, bool, bool); + Grob *make_standard_accidental (Stream_event *note, Grob *note_head, Engraver *trans); + Grob *make_suggested_accidental (Stream_event *note, Grob *note_head, Engraver *trans); + protected: TRANSLATOR_DECLARATIONS (Accidental_engraver); - virtual void process_music (); - virtual void acknowledge_grob (Grob_info); - virtual void stop_translation_timestep (); - virtual void initialize (); - virtual void process_acknowledged_grobs (); + void process_music (); + + void acknowledge_tie (Grob_info); + void acknowledge_arpeggio (Grob_info); + void acknowledge_rhythmic_head (Grob_info); + void acknowledge_finger (Grob_info); + + void stop_translation_timestep (); + void process_acknowledged (); + virtual void finalize (); -public: + virtual void derived_mark () const; - Protected_scm last_keysig_; +public: + SCM last_keysig_; // ugh. /* - Urgh. Since the accidentals depend on lots of variables, we have to - store all information before we can really create the accidentals. + Urgh. Since the accidentals depend on lots of variables, we have + to store all information before we can really create the + accidentals. */ - Link_array left_objects_; - Link_array right_objects_; + vector left_objects_; + vector right_objects_; - Grob * accidental_placement_; + Grob *accidental_placement_; - Array accidentals_; - Link_array ties_; - - SCM get_bar_num (); + vector accidentals_; + vector ties_; }; +/* + TODO: + + ugh, it is not clear what properties are mutable and which + aren't. eg. localKeySignature is changed at runtime, which means + that references in grobs should always store ly_deep_copy ()s of + those. +*/ -static void -set_property_on_children (Context * trans, const char * sym, SCM val) -{ - trans->set_property (sym, val); - for (SCM p = trans->children_contexts (); is_pair (p); p = ly_cdr (p)) - { - Context *trg = unsmob_context (ly_car (p)); - set_property_on_children (trg, sym, ly_deep_copy (val)); - } -} Accidental_engraver::Accidental_engraver () { @@ -87,174 +105,229 @@ Accidental_engraver::Accidental_engraver () } void -Accidental_engraver::initialize () +Accidental_engraver::derived_mark () const +{ + scm_gc_mark (last_keysig_); +} + +void +Accidental_engraver::update_local_key_signature () { last_keysig_ = get_property ("keySignature"); + set_context_property_on_children (context (), + ly_symbol2scm ("localKeySignature"), + last_keysig_); - Context * trans_ = get_parent_context (); - while (trans_) + Context *trans = context ()->get_parent_context (); + + /* Reset parent contexts so that e.g. piano-accidentals won't remember old + cross-staff accidentals after key-sig-changes */ + + SCM val; + while (trans && trans->where_defined (ly_symbol2scm ("localKeySignature"), &val)==trans) { - trans_ -> set_property ("localKeySignature", - ly_deep_copy (last_keysig_)); - trans_ = trans_->get_parent_context (); + trans->set_property ("localKeySignature", ly_deep_copy (last_keysig_)); + trans = trans->get_parent_context (); } - set_property_on_children (get_parent_context (),"localKeySignature", last_keysig_); } -/* - calculates the number of accidentals on basis of the current local key - sig (passed as argument) +/** Calculate the number of accidentals on basis of the current local key + sig (passed as argument) - Returns number of accidentals (0, 1 or 2). + * First check step+octave (taking into account barnumbers if necessary). + + * Then check the global signature (only step). + + Return number of accidentals (0, 1 or 2). */ + +static bool +recent_enough (int bar_number, SCM alteration_def, SCM laziness) +{ + if (scm_is_number (alteration_def) + || laziness == SCM_BOOL_T) + return true; + + return (bar_number <= scm_to_int (scm_cdr (alteration_def)) + scm_to_int (laziness)); +} + +static Rational +extract_alteration (SCM alteration_def) +{ + if (scm_is_number (alteration_def)) + return ly_scm2rational (alteration_def); + else if (scm_is_pair (alteration_def)) + return ly_scm2rational (scm_car (alteration_def)); + else if (alteration_def == SCM_BOOL_F) + return Rational (0); + else + assert (0); + return Rational (0); +} + +bool +is_tied (SCM alteration_def) +{ + return (alteration_def == SCM_BOOL_T) + || (scm_is_pair (alteration_def) && scm_car (alteration_def) == SCM_BOOL_T); +} -*/ static int -number_accidentals_from_sig (bool *different, - SCM sig, Pitch *pitch, SCM curbarnum, SCM lazyness, - bool ignore_octave) +number_accidentals_from_sig (bool *different, SCM sig, Pitch *pitch, + int bar_number, SCM laziness, bool ignore_octave) { int n = pitch->get_notename (); int o = pitch->get_octave (); - int a = pitch->get_alteration (); - int curbarnum_i = ly_scm2int (curbarnum); - int accbarnum_i = 0; - SCM prev; - if (ignore_octave) - prev = ly_assoc_cdr (scm_int2num (n), sig); - else - prev = scm_assoc (scm_cons (scm_int2num (o), scm_int2num (n)), sig); + SCM previous_alteration = SCM_BOOL_F; - /* should really be true unless prev == SCM_BOOL_F */ - if (is_pair (prev) && is_pair (ly_cdr (prev))) + SCM from_same_octave = ly_assoc_get (scm_cons (scm_from_int (o), + scm_from_int (n)), sig, SCM_BOOL_F); + SCM from_key_signature = ly_assoc_get (scm_from_int (n), sig, SCM_BOOL_F); + SCM from_other_octaves = SCM_BOOL_F; + for (SCM s = sig; scm_is_pair (s); s = scm_cdr (s)) { - accbarnum_i = ly_scm2int (ly_cddr (prev)); - prev = scm_cons (ly_car (prev), ly_cadr (prev)); + SCM entry = scm_car (s); + if (scm_is_pair (scm_car (entry)) + && scm_cdar (entry) == scm_from_int (n)) + { + from_other_octaves = scm_cdr (entry); + break; + } } - - /* If an accidental was not found or the accidental was too old */ - if (prev == SCM_BOOL_F || - (is_number (lazyness) && curbarnum_i > accbarnum_i + ly_scm2int (lazyness))) - prev = scm_assoc (scm_int2num (n), sig); - - - SCM prev_acc = (prev == SCM_BOOL_F) ? scm_int2num (0) : ly_cdr (prev); - - int p = is_number (prev_acc) ? ly_scm2int (prev_acc) : 0; - int num; - if (a == p && is_number (prev_acc)) - num = 0; - else if ( (abs (a)get_alteration (); + + if (alter == prev) + num = 0; + else if ((alter.abs () < prev.abs () + || (prev * alter).sign () < 0) && alter.sign ()) + num = 2; + *different = (alter != prev); + } return num; } static int number_accidentals (bool *different, - Pitch *pitch, Context * origin, - SCM accidentals, SCM curbarnum) + Pitch *pitch, Context *origin, + SCM accidentals, int bar_number) { int number = 0; *different = false; - if (is_pair (accidentals) && !is_symbol (ly_car (accidentals))) - warning (_f ("Accidental typesetting list must begin with context-name: %s", - ly_scm2string (ly_car (accidentals)).to_str0 ())); - - for (; is_pair (accidentals) && origin; accidentals = ly_cdr (accidentals)) + if (scm_is_pair (accidentals) && !scm_is_symbol (scm_car (accidentals))) + warning (_f ("accidental typesetting list must begin with context-name: %s", + ly_scm2string (scm_car (accidentals)).c_str ())); + + for (; scm_is_pair (accidentals) && origin; + accidentals = scm_cdr (accidentals)) { // If pair then it is a new accidentals typesetting rule to be checked - SCM rule = ly_car (accidentals); - if (is_pair (rule)) + SCM rule = scm_car (accidentals); + if (scm_is_pair (rule)) { - SCM type = ly_car (rule); - SCM lazyness = ly_cdr (rule); + SCM type = scm_car (rule); + SCM laziness = scm_cdr (rule); SCM localsig = origin->get_property ("localKeySignature"); - - bool same_octave_b = - is_eq (ly_symbol2scm ("same-octave"), type); - bool any_octave_b = - is_eq (ly_symbol2scm ("any-octave"), type); + + bool same_octave_b + = scm_is_eq (ly_symbol2scm ("same-octave"), type); + bool any_octave_b + = scm_is_eq (ly_symbol2scm ("any-octave"), type); if (same_octave_b || any_octave_b) { bool d = false; int n = number_accidentals_from_sig - (&d, localsig, pitch, curbarnum, lazyness, any_octave_b); + (&d, localsig, pitch, bar_number, laziness, any_octave_b); *different = *different || d; - number = max (number, n); + number = max (number, n); } else - warning (_f ("ignoring unknown accidental: %s", - ly_symbol2string (type).to_str0 ())); + warning (_f ("ignoring unknown accidental: %s", + ly_symbol2string (type).c_str ())); } - - /* - if symbol then it is a context name. Scan parent contexts to find it. - */ - else if (is_symbol (rule)) + /* if symbol then it is a context name. Scan parent contexts to + find it. */ + else if (scm_is_symbol (rule)) { - Context * dad = origin; + Context *dad = origin; while (dad && !dad->is_alias (rule)) dad = dad->get_parent_context (); - + if (dad) origin = dad; } - else warning (_f ("Accidental rule must be pair or context-name; Found %s", - ly_scm2string (rule).to_str0 ())); + else + warning (_f ("pair or context-name expected for accidental rule, found %s", + ly_scm2string (rule).c_str ())); } return number; } -SCM -Accidental_engraver::get_bar_num () +int +Accidental_engraver::get_bar_number () { - SCM barnum = get_property ("currentBarNumber"); + SCM barnum = get_property ("internalBarNumber"); SCM smp = get_property ("measurePosition"); - - Moment mp = (unsmob_moment (smp)) ? *unsmob_moment (smp) : Moment (0); - if (mp.main_part_ < Rational (0) - && is_number (barnum)) - barnum = scm_int2num (ly_scm2int (barnum) - 1); - - return barnum ; + + int bn = robust_scm2int (barnum, 0); + + Moment mp = robust_scm2moment (smp, Moment (0)); + if (mp.main_part_ < Rational (0)) + bn--; + + return bn; } void -Accidental_engraver::process_acknowledged_grobs () +Accidental_engraver::process_acknowledged () { - if (accidentals_.size () && !accidentals_.top ().done_) + if (accidentals_.size () && !accidentals_.back ().done_) { - SCM accidentals = get_property ("autoAccidentals"); - SCM cautionaries = get_property ("autoCautionaries"); - SCM barnum = get_bar_num (); - - bool extra_natural_b = get_property ("extraNatural") == SCM_BOOL_T; - for (int i = 0; i < accidentals_.size (); i++) + SCM accidentals = get_property ("autoAccidentals"); + SCM cautionaries = get_property ("autoCautionaries"); + int barnum = get_bar_number (); + + for (vsize i = 0; i < accidentals_.size (); i++) { - if (accidentals_[i].done_ ) + if (accidentals_[i].done_) continue; - accidentals_[i].done_ = true; - Grob * support = accidentals_[i].head_; - Music * note = accidentals_[i].melodic_; - Context * origin = accidentals_[i].origin_; + accidentals_[i].done_ = true; - Pitch * pitch = unsmob_pitch (note->get_property ("pitch")); + Stream_event *note = accidentals_[i].melodic_; + Context *origin = accidentals_[i].origin_; + + Pitch *pitch = unsmob_pitch (note->get_property ("pitch")); if (!pitch) continue; bool different = false; bool different_caut = false; - + int num = number_accidentals (&different, pitch, origin, accidentals, barnum); @@ -262,8 +335,8 @@ Accidental_engraver::process_acknowledged_grobs () pitch, origin, cautionaries, barnum); + bool cautionary = to_boolean (note->get_property ("cautionary")); - if (num_caut > num) { num = num_caut; @@ -271,71 +344,112 @@ Accidental_engraver::process_acknowledged_grobs () cautionary = true; } - if (num == 0 && to_boolean (note->get_property ("force-accidental"))) + bool forced = to_boolean (note->get_property ("force-accidental")); + if (num == 0 && forced) num = 1; - - - /* - Can not look for ties: it's not guaranteed that they reach - us before the notes - */ - - if (num) - { - /* - We construct the accidentals at the originating Voice - level, so that we get the property settings for - Accidental from the respective Voice. - */ - Grob * a = make_item_from_properties (origin, - ly_symbol2scm ("Accidental")); - a->set_parent (support, Y_AXIS); - - if (!accidental_placement_) - { - accidental_placement_ = make_item ("AccidentalPlacement"); - announce_grob (accidental_placement_, a->self_scm ()); - } - - Accidental_placement::add_accidental (accidental_placement_, a); - announce_grob (a, SCM_EOL); - - - SCM accs = scm_cons (scm_int2num (pitch->get_alteration ()), SCM_EOL); - if (num == 2 && extra_natural_b) - accs = scm_cons (scm_int2num (0), accs); - - /* TODO: - - add cautionary option in accidental. - */ - - if (cautionary) - { - a->set_property ("cautionary", SCM_BOOL_T); - } - - - support->set_property ("accidental-grob", a->self_scm ()); - - a->set_property ("accidentals", accs); - accidentals_[i].accidental_ = a; - /* - We add the accidentals to the support of the arpeggio, - so it is put left of the accidentals. - */ - for (int i = 0; i < left_objects_.size (); i++) - Side_position_interface::add_support (left_objects_[i], a); - for (int i = 0; i < right_objects_.size (); i++) - Side_position_interface::add_support (a, right_objects_[i]); - } + /* Cannot look for ties: it's not guaranteed that they reach + us before the notes. */ + if (num + && !note->in_event_class ("trill-span-event")) + create_accidental (&accidentals_[i], num > 1, cautionary); + + if (forced || cautionary) + accidentals_[i].accidental_->set_property ("forced", SCM_BOOL_T); } } } +void +Accidental_engraver::create_accidental (Accidental_entry *entry, + bool restore_natural, + bool cautionary) +{ + Stream_event *note = entry->melodic_; + Grob *support = entry->head_; + Pitch *pitch = unsmob_pitch (note->get_property ("pitch")); + + bool as_suggestion = to_boolean (entry->origin_->get_property ("suggestAccidentals")); + Grob *a = 0; + if (as_suggestion) + a = make_suggested_accidental (note, support, entry->origin_engraver_); + else + a = make_standard_accidental (note, support, entry->origin_engraver_); + + SCM accs = scm_cons (scm_from_int (pitch->get_alteration () * Rational (4)), + SCM_EOL); + if (restore_natural) + { + if (to_boolean (get_property ("extraNatural"))) + accs = scm_cons (scm_from_int (0), accs); + } + + /* TODO: add cautionary option in accidental. */ + if (cautionary) + a->set_property ("cautionary", SCM_BOOL_T); + a->set_property ("accidentals", accs); + entry->accidental_ = a; +} + +Grob * +Accidental_engraver::make_standard_accidental (Stream_event *note, + Grob *note_head, + Engraver *trans) +{ + (void)note; + /* + We construct the accidentals at the originating Voice + level, so that we get the property settings for + Accidental from the respective Voice. + */ + Grob *a = trans->make_item ("Accidental", note_head->self_scm ()); + + /* + We add the accidentals to the support of the arpeggio, + so it is put left of the accidentals. + */ + for (vsize i = 0; i < left_objects_.size (); i++) + { + if (left_objects_[i]->get_property ("side-axis") == scm_from_int (X_AXIS)) + Side_position_interface::add_support (left_objects_[i], a); + } + + /* + Hmm. Junkme? + */ + for (vsize i = 0; i < right_objects_.size (); i++) + Side_position_interface::add_support (a, right_objects_[i]); + + a->set_parent (note_head, Y_AXIS); + + if (!accidental_placement_) + accidental_placement_ = make_item ("AccidentalPlacement", + a->self_scm ()); + Accidental_placement::add_accidental (accidental_placement_, a); + + note_head->set_object ("accidental-grob", a->self_scm ()); + + return a; +} + +Grob * +Accidental_engraver::make_suggested_accidental (Stream_event *note, + Grob *note_head, + Engraver *trans) +{ + (void) note; + + Grob *a = trans->make_item ("AccidentalSuggestion", note_head->self_scm ()); + + Side_position_interface::add_support (a, note_head); + if (Grob *stem = unsmob_grob (a->get_object ("stem"))) + Side_position_interface::add_support (a, stem); + + a->set_parent (note_head, X_AXIS); + return a; +} void Accidental_engraver::finalize () @@ -346,45 +460,42 @@ Accidental_engraver::finalize () void Accidental_engraver::stop_translation_timestep () { - for (int j = ties_.size (); j --; ) + for (vsize j = ties_.size (); j--;) { - Grob * r = Tie::head (ties_[j], RIGHT); - for (int i = accidentals_.size (); i--;) + Grob *r = Tie::head (ties_[j], RIGHT); + for (vsize i = accidentals_.size (); i--;) if (accidentals_[i].head_ == r) { - if (Grob * g = accidentals_[i].accidental_) + if (Grob *g = accidentals_[i].accidental_) { - g->set_property ("tie", ties_[j]->self_scm ()); - accidentals_[i].tied_ = true; + g->set_object ("tie", ties_[j]->self_scm ()); + accidentals_[i].tied_ = true; } - - ties_.del (j); + ties_.erase (ties_.begin () + j); break; } } - for (int i = accidentals_.size (); i--;) + for (vsize i = accidentals_.size (); i--;) { - SCM barnum = get_bar_num (); + int barnum = get_bar_number (); - Music * note = accidentals_[i].melodic_; - Context * origin = accidentals_[i].origin_; + Stream_event *note = accidentals_[i].melodic_; + Context *origin = accidentals_[i].origin_; - Pitch * pitch = unsmob_pitch (note->get_property ("pitch")); + Pitch *pitch = unsmob_pitch (note->get_property ("pitch")); if (!pitch) continue; - + int n = pitch->get_notename (); int o = pitch->get_octave (); - int a = pitch->get_alteration (); - SCM on_s = scm_cons (scm_int2num (o), scm_int2num (n)); + Rational a = pitch->get_alteration (); + SCM key = scm_cons (scm_from_int (o), scm_from_int (n)); - while (origin) + SCM localsig = SCM_EOL; + while (origin + && origin->where_defined (ly_symbol2scm ("localKeySignature"), &localsig)) { - /* - huh? we set props all the way to the top? - */ - SCM localsig = origin->get_property ("localKeySignature"); bool change = false; if (accidentals_[i].tied_) { @@ -393,7 +504,7 @@ Accidental_engraver::stop_translation_timestep () that of the tied note and of the key signature. */ localsig = ly_assoc_front_x - (localsig, on_s, scm_cons (SCM_BOOL_T, barnum)); + (localsig, key, scm_cons (SCM_BOOL_T, scm_from_int (barnum))); change = true; } @@ -403,105 +514,98 @@ Accidental_engraver::stop_translation_timestep () not really really correct if there are more than one noteheads with the same notename. */ - localsig = ly_assoc_front_x - (localsig, on_s, scm_cons (scm_int2num (a), barnum)); - + localsig = ly_assoc_front_x (localsig, key, + scm_cons (ly_rational2scm (a), + scm_from_int (barnum))); change = true; } if (change) - origin->set_property ("localKeySignature", localsig); + origin->set_property ("localKeySignature", localsig); + origin = origin->get_parent_context (); } } - - for (int i = 0; i < accidentals_.size (); i++) - { - if (Grob *a = accidentals_[i].accidental_) - typeset_grob (a); - } - - if (accidental_placement_) - typeset_grob (accidental_placement_); accidental_placement_ = 0; - accidentals_.clear (); left_objects_.clear (); right_objects_.clear (); } void -Accidental_engraver::acknowledge_grob (Grob_info info) +Accidental_engraver::acknowledge_rhythmic_head (Grob_info info) { - Music * note = info.music_cause (); - + Stream_event *note = info.event_cause (); if (note - && note->is_mus_type ("note-event") - && Rhythmic_head::has_interface (info.grob_)) + && (note->in_event_class ("note-event") + || note->in_event_class ("trill-span-event"))) { - if (to_boolean ( get_property ("harmonicAccidentals")) - || !is_equal (info.grob_->get_property ("style"), - ly_symbol2scm ("harmonic"))) + /* + string harmonics usually don't have accidentals. + */ + if (to_boolean (get_property ("harmonicAccidentals")) + || !ly_is_equal (info.grob ()->get_property ("style"), + ly_symbol2scm ("harmonic"))) { - - Accidental_entry entry ; - entry.head_ = info.grob_; - entry.origin_ = info.origin_trans_->get_parent_context (); + Accidental_entry entry; + entry.head_ = info.grob (); + entry.origin_engraver_ = dynamic_cast (info.origin_translator ()); + entry.origin_ = entry.origin_engraver_->context (); entry.melodic_ = note; - accidentals_.push (entry); + accidentals_.push_back (entry); } } - else if (Tie::has_interface (info.grob_)) - { - ties_.push (dynamic_cast (info.grob_)); - } - else if (Arpeggio::has_interface (info.grob_)) - { - left_objects_.push (info.grob_); - } - else if (info.grob_->internal_has_interface (ly_symbol2scm ("finger-interface"))) - { - left_objects_.push (info.grob_); - } +} + +void +Accidental_engraver::acknowledge_tie (Grob_info info) +{ + ties_.push_back (dynamic_cast (info.grob ())); +} + +void +Accidental_engraver::acknowledge_arpeggio (Grob_info info) +{ + left_objects_.push_back (info.grob ()); +} + +void +Accidental_engraver::acknowledge_finger (Grob_info info) +{ + left_objects_.push_back (info.grob ()); } void Accidental_engraver::process_music () { SCM sig = get_property ("keySignature"); - /* Detect key sig changes. - Update all parents and children - */ + Update all parents and children. */ if (last_keysig_ != sig) - { - Context * trans_ = get_parent_context (); - while (trans_) - { - trans_ -> set_property ("localKeySignature", ly_deep_copy (sig)); - trans_ = trans_->get_parent_context (); - } - set_property_on_children (get_parent_context (),"localKeySignature", sig); - - last_keysig_ = sig; - } + update_local_key_signature (); } - - - - -ENTER_DESCRIPTION (Accidental_engraver, - "Make accidentals. Catches note heads, ties and notices key-change " - "events. This engraver usually lives at Staff level, but " - "reads the settings for Accidental at @code{Voice} level, " - "so you can @code{\\override} them at @code{Voice}. " - , - - "Accidental", - "", - "finger-interface rhythmic-head-interface tie-interface arpeggio-interface", - "localKeySignature harmonicAccidentals extraNatural autoAccidentals autoCautionaries", - "localKeySignature"); +ADD_ACKNOWLEDGER (Accidental_engraver, arpeggio); +ADD_ACKNOWLEDGER (Accidental_engraver, finger); +ADD_ACKNOWLEDGER (Accidental_engraver, rhythmic_head); +ADD_ACKNOWLEDGER (Accidental_engraver, tie); + +ADD_TRANSLATOR (Accidental_engraver, + + "Make accidentals. " + "Catch note heads, ties and notices key-change events. " + "This engraver usually lives at Staff level, but " + "reads the settings for Accidental at @code{Voice} level, " + "so you can @code{\\override} them at @code{Voice}. ", + "Accidental AccidentalSuggestion", + + "autoAccidentals " + "autoCautionaries " + "internalBarNumber " + "extraNatural " + "harmonicAccidentals " + "localKeySignature ", + "localKeySignature " + );