/*
- accidental-engraver.cc -- implement accidental_engraver
+ This file is part of LilyPond, the GNU music typesetter.
- (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
- Modified 2001-2002 by Rune Zedeler <rz@daimi.au.dk>
-*/
+ Copyright (C) 1997--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ Modified 2001--2002 by Rune Zedeler <rz@daimi.au.dk>
+
+ 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.
-#include "event.hh"
+ 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 <http://www.gnu.org/licenses/>.
+*/
+#include "accidental-placement.hh"
+#include "arpeggio.hh"
+#include "context.hh"
+#include "duration.hh"
+#include "engraver.hh"
+#include "international.hh"
#include "item.hh"
-#include "tie.hh"
+#include "pitch.hh"
+#include "protected-scm.hh"
#include "rhythmic-head.hh"
-#include "engraver-group-engraver.hh"
-#include "accidental-placement.hh"
+#include "separation-item.hh"
#include "side-position-interface.hh"
-#include "engraver.hh"
-#include "arpeggio.hh"
+#include "spanner.hh"
+#include "stream-event.hh"
+#include "tie.hh"
#include "warn.hh"
-#include "translator-group.hh"
-
-/**
-
-
-FIXME: should not compute vertical positioning of accidentals, but
-get them from the noteheads
-
-The algorithm for accidentals should be documented, and made
-tweakable.
+#include "translator.icc"
-*/
-
-struct Accidental_entry {
+class Accidental_entry
+{
+public:
bool done_;
- Music * melodic_;
- Grob * accidental_;
- Translator_group *origin_;
- Grob* head_;
- Accidental_entry();
+ Stream_event *melodic_;
+ Grob *accidental_;
+ Context *origin_;
+ Engraver *origin_engraver_;
+ Grob *head_;
+ bool tied_;
+
+ Accidental_entry ();
};
-Accidental_entry::Accidental_entry()
+Accidental_entry::Accidental_entry ()
{
+ tied_ = false;
done_ = false;
- melodic_ =0;
+ melodic_ = 0;
accidental_ = 0;
origin_ = 0;
+ origin_engraver_ = 0;
head_ = 0;
}
-struct Accidental_engraver : Engraver {
+class Accidental_engraver : public Engraver
+{
+ void update_local_key_signature (SCM new_signature);
+ void create_accidental (Accidental_entry *entry, bool, bool);
+ Grob *make_standard_accidental (Stream_event *note, Grob *note_head, Engraver *trans, bool);
+ 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 ();
- virtual void finalize ();
-public:
+ void process_music ();
- /*
- TODO -> property.
-
- This is not a property, and it is not protected. This poses a
- very small risk of the value being GC'd from under us.
- */
- SCM last_keysig_;
+ void acknowledge_end_tie (Grob_info);
+ void acknowledge_arpeggio (Grob_info);
+ void acknowledge_rhythmic_head (Grob_info);
+ void acknowledge_finger (Grob_info);
+ void acknowledge_note_column (Grob_info);
- /*
- Urgh. Since the accidentals depend on lots of variables, we have to
- store all information before we can really create the accidentals.
- */
- Link_array<Grob> arpeggios_;
+ void stop_translation_timestep ();
+ void process_acknowledged ();
- Grob * accidental_placement_;
-
+ virtual void finalize ();
+ virtual void derived_mark () const;
- /*
- The next
- */
- Array<Accidental_entry> accidentals_;
-
- Link_array<Grob> ties_;
+public:
+ SCM last_keysig_;
+
+ vector<Grob *> left_objects_;
+ vector<Grob *> right_objects_;
+ Grob *accidental_placement_;
+ vector<Accidental_entry> accidentals_;
+ vector<Spanner *> ties_;
+ vector<Grob *> note_columns_;
};
+/*
+ localAlterations 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 (Translator_group * trans, const char * sym, SCM val)
+Accidental_engraver::Accidental_engraver (Context *c)
+ : Engraver (c)
{
- trans->set_property (sym, val);
- for (SCM p = trans -> trans_group_list_; gh_pair_p (p); p = ly_cdr(p)) {
- Translator_group *trg = dynamic_cast<Translator_group*> (unsmob_translator (ly_car (p)));
- set_property_on_children(trg,sym,ly_deep_copy(val));
- }
+ accidental_placement_ = 0;
+ last_keysig_ = SCM_EOL;
}
-Accidental_engraver::Accidental_engraver ()
+void
+Accidental_engraver::derived_mark () const
{
- accidental_placement_ = 0;
- last_keysig_ = SCM_EOL;
+ scm_gc_mark (last_keysig_);
}
void
-Accidental_engraver::initialize ()
+Accidental_engraver::update_local_key_signature (SCM new_sig)
{
- last_keysig_ = get_property ("keySignature");
+ last_keysig_ = new_sig;
+ set_context_property_on_children (context (),
+ ly_symbol2scm ("localAlterations"),
+ new_sig);
+
+ 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.
+ */
- Translator_group * trans_ = daddy_trans_;
- while (trans_)
+ SCM val;
+ while (trans && trans->here_defined (ly_symbol2scm ("localAlterations"), &val))
{
- trans_ -> set_property ("localKeySignature", ly_deep_copy (last_keysig_));
- trans_ = trans_->daddy_trans_;
+ trans->set_property ("localAlterations", ly_deep_copy (last_keysig_));
+ trans = trans->get_parent_context ();
}
- set_property_on_children (daddy_trans_,"localKeySignature", last_keysig_);
}
-/*
+struct Accidental_result
+{
+ bool need_acc;
+ bool need_restore;
-calculates the number of accidentals on basis of the current local key sig
- (passed as argument)
- Returns number of accidentals (0, 1 or 2).
- Negative (-1 or -2) if accidental has changed.
+ Accidental_result ()
+ {
+ need_restore = need_acc = false;
+ }
-*/
-static int
-number_accidentals (SCM sig, Music * note, Pitch *pitch, SCM curbarnum, SCM lazyness,
- bool ignore_octave_b)
+ Accidental_result (bool restore, bool acc)
+ {
+ need_restore = restore;
+ need_acc = acc;
+ }
+
+ Accidental_result (SCM scm)
+ {
+ need_restore = to_boolean (scm_car (scm));
+ need_acc = to_boolean (scm_cdr (scm));
+ }
+
+ int score () const
+ {
+ return need_acc ? 1 : 0
+ + need_restore ? 1 : 0;
+ }
+};
+
+static
+Accidental_result
+check_pitch_against_rules (Pitch const &pitch, Context *origin,
+ SCM rules, int bar_number, SCM measurepos)
{
- int n = pitch->notename_;
- int o = pitch->octave_;
- int a = pitch->alteration_;
- int curbarnum_i = gh_scm2int (curbarnum);
- int accbarnum_i = 0;
-
- SCM prev;
- if (ignore_octave_b)
- prev = ly_assoc_cdr (scm_int2num (n), sig);
- else
- prev = gh_assoc (gh_cons (scm_int2num (o), scm_int2num (n)), sig);
+ Accidental_result result;
+ SCM pitch_scm = pitch.smobbed_copy ();
+ SCM barnum_scm = scm_from_int (bar_number);
- /* should really be true unless prev == SCM_BOOL_F */
- if (gh_pair_p (prev) && gh_pair_p (ly_cdr (prev)))
- {
- accbarnum_i = gh_scm2int (ly_cddr (prev));
- prev = gh_cons (ly_car (prev), ly_cadr (prev));
- }
-
- /* If an accidental was not found or the accidental was too old */
- if (prev == SCM_BOOL_F ||
- (gh_number_p (lazyness) && curbarnum_i > accbarnum_i + gh_scm2int (lazyness)))
- prev = gh_assoc (scm_int2num (n), sig);
+ if (scm_is_pair (rules) && !scm_is_symbol (scm_car (rules)))
+ warning (_f ("accidental typesetting list must begin with context-name: %s",
+ ly_scm2string (scm_car (rules)).c_str ()));
+ for (; scm_is_pair (rules) && origin; rules = scm_cdr (rules))
+ {
+ SCM rule = scm_car (rules);
+ if (ly_is_procedure (rule))
+ {
+ SCM rule_result_scm = scm_call_4 (rule, origin->self_scm (),
+ pitch_scm, barnum_scm, measurepos);
+ Accidental_result rule_result (rule_result_scm);
- SCM prev_acc = (prev == SCM_BOOL_F) ? scm_int2num (0) : ly_cdr (prev);
+ result.need_acc |= rule_result.need_acc;
+ result.need_restore |= rule_result.need_restore;
+ }
- int p = gh_number_p (prev_acc) ? gh_scm2int (prev_acc) : 0;
+ /*
+ If symbol then it is a context name. Scan parent contexts to
+ find it.
+ */
+ else if (scm_is_symbol (rule))
+ {
+ Context *dad = find_context_above (origin, rule);
+ if (dad)
+ origin = dad;
+ }
+ else
+ warning (_f ("procedure or context-name expected for accidental rule, found %s",
+ print_scm_val (rule).c_str ()));
+ }
- int num;
- if (a == p && gh_number_p (prev_acc))
- num = 0;
- else if ( (abs (a)<abs (p) || p*a<0) && a != 0 )
- num = 2;
- else
- num = 1;
-
- return a == p ? num : -num;
+ return result;
}
-static int
-number_accidentals (Music * note, Pitch *pitch, Translator_group * origin,
- SCM accidentals, SCM curbarnum)
+void
+Accidental_engraver::process_acknowledged ()
{
- int number = 0;
-
- bool diff = false;
- if (gh_pair_p (accidentals) && !gh_symbol_p (ly_car (accidentals)))
- warning (_f ("Accidental typesetting list must begin with context-name: %s",
- ly_scm2string (ly_car (accidentals)).to_str0 ()));
-
- while (gh_pair_p (accidentals) && origin)
+ if (accidentals_.size () && !accidentals_.back ().done_)
{
- // If pair then it is a new accidentals typesetting rule to be checked
- if (gh_pair_p (ly_car (accidentals)))
- {
- SCM type = gh_caar (accidentals);
- SCM lazyness = gh_cdar (accidentals);
- SCM localsig = origin->get_property ("localKeySignature");
-
- bool same_octave_b =
- gh_eq_p (ly_symbol2scm ("same-octave"), type);
- bool any_octave_b =
- gh_eq_p (ly_symbol2scm ("any-octave"), type);
-
- if (same_octave_b || any_octave_b)
- {
- int n = number_accidentals
- (localsig, note, pitch, curbarnum, lazyness, any_octave_b);
- diff = diff || (n < 0);
- number = max (number, abs (n));
- }
- else
- warning (_f ("unknown accidental typesetting: %s. Ignored",
- ly_symbol2string (type).to_str0 ()));
- }
-
-
- /*
- if symbol then it is a context name. Scan parent contexts to find it.
- */
- else if (gh_symbol_p (ly_car (accidentals)))
- {
- String context = ly_symbol2string (ly_car (accidentals));
-
- while (origin && !origin->is_alias_b (context))
- origin = origin->daddy_trans_;
-
- if (!origin)
- warning (_f ("Symbol is not a parent context: %s. Ignored",
- context.to_str0 ()));
- }
- else warning (_f ("Accidental typesetting must be pair or context-name: %s",
- ly_scm2string (ly_car (accidentals)).to_str0 ()));
-
- accidentals = ly_cdr (accidentals);
+ SCM accidental_rules = get_property ("autoAccidentals");
+ SCM cautionary_rules = get_property ("autoCautionaries");
+ SCM measure_position = get_property ("measurePosition");
+ int barnum = measure_number (context ());
+
+ for (vsize i = 0; i < accidentals_.size (); i++)
+ {
+ if (accidentals_[i].done_)
+ continue;
+ accidentals_[i].done_ = true;
+
+ Stream_event *note = accidentals_[i].melodic_;
+ Context *origin = accidentals_[i].origin_;
+
+ Pitch *pitch = unsmob<Pitch> (note->get_property ("pitch"));
+ if (!pitch)
+ continue;
+
+ Accidental_result acc = check_pitch_against_rules (*pitch, origin, accidental_rules,
+ barnum, measure_position);
+ Accidental_result caut = check_pitch_against_rules (*pitch, origin, cautionary_rules,
+ barnum, measure_position);
+
+ bool cautionary = to_boolean (note->get_property ("cautionary"));
+ if (caut.score () > acc.score ())
+ {
+ acc.need_acc |= caut.need_acc;
+ acc.need_restore |= caut.need_restore;
+
+ cautionary = true;
+ }
+
+ bool forced = to_boolean (note->get_property ("force-accidental"));
+ if (!acc.need_acc && forced)
+ acc.need_acc = true;
+
+ /*
+ Cannot look for ties: it's not guaranteed that they reach
+ us before the notes.
+ */
+ if (!note->in_event_class ("trill-span-event"))
+ {
+ if (acc.need_acc)
+ create_accidental (&accidentals_[i], acc.need_restore, cautionary);
+
+ if (forced || cautionary)
+ accidentals_[i].accidental_->set_property ("forced", SCM_BOOL_T);
+ }
+ }
}
- return diff ? -number : number;
}
void
-Accidental_engraver::process_acknowledged_grobs ()
+Accidental_engraver::create_accidental (Accidental_entry *entry,
+ bool restore_natural,
+ bool cautionary)
{
- if (accidentals_.size () && !accidentals_.top().done_)
+ Stream_event *note = entry->melodic_;
+ Grob *support = entry->head_;
+ 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_, cautionary);
+
+ if (restore_natural)
{
- //SCM localsig = get_property ("localKeySignature");
- SCM accidentals = get_property ("autoAccidentals");
- SCM cautionaries = get_property ("autoCautionaries");
- SCM barnum = get_property ("currentBarNumber");
- SCM smp = get_property("measurePosition");
- Moment mp = (unsmob_moment (smp)) ? *unsmob_moment (smp) : Moment (0);
- if(mp.main_part_<Rational(0) && gh_number_p(barnum)) barnum = scm_int2num(gh_scm2int(barnum)-1);
- bool extra_natural_b = get_property ("extraNatural") == SCM_BOOL_T;
- for (int i = 0; i < accidentals_.size (); i++)
- {
- if (accidentals_[i].done_ )
- continue;
- accidentals_[i].done_ = true;
- Grob * support = accidentals_[i].head_;
- Music * note = accidentals_[i].melodic_;
- Translator_group * origin = accidentals_[i].origin_;
-
- Pitch * pitch = unsmob_pitch (note->get_mus_property ("pitch"));
- int num = number_accidentals (note, pitch, origin, accidentals, barnum);
- int num_caut = number_accidentals (note, pitch, origin, cautionaries, barnum);
- bool cautionary = to_boolean (note->get_mus_property ("cautionary"));
-
- if (abs (num_caut) > abs (num))
- {
- num = num_caut;
- cautionary = true;
- }
-
- if(num==0 && to_boolean (note->get_mus_property ("force-accidental")))
- num=1;
-
- bool different = num < 0;
- num = abs (num);
-
- /* see if there's a tie that "changes" the accidental */
- /* works because if there's a tie, the note to the left
- is of the same pitch as the actual note */
-
- Grob *tie_break_reminder = 0;
- bool tie_changes = false;
- for (int j = 0; j < ties_.size (); j++)
- if (support == Tie::head (ties_[j], RIGHT))
- {
- tie_changes = different;
-
- /* Enable accidentals for broken tie
-
- We only want an accidental on a broken tie,
- if the tie changes the accidental.
-
- Maybe check property noTieBreakForceAccidental? */
- if (different)
- tie_break_reminder = ties_[j];
- break;
- }
-
- if (num)
- {
- Grob * a = new Item (get_property ("Accidental"));
- a->set_parent (support, Y_AXIS);
-
- if (!accidental_placement_)
- {
- accidental_placement_ = new Item (get_property ("AccidentalPlacement"));
- announce_grob (accidental_placement_, a->self_scm());
- }
-
- Accidental_placement::add_accidental (accidental_placement_, a);
- announce_grob (a, SCM_EOL);
-
-
- SCM accs = gh_cons (scm_int2num (pitch->alteration_), SCM_EOL);
- if (num == 2 && extra_natural_b)
- accs = gh_cons (scm_int2num (0), accs);
-
- /* TODO:
-
- add cautionary option in accidental.
- */
-
- if (cautionary)
- {
- a->set_grob_property ("cautionary", SCM_BOOL_T);
- }
-
- if (tie_break_reminder)
- {
- // TODO.
- a->set_grob_property ("tie", tie_break_reminder->self_scm());
- }
-
-
- support->set_grob_property ("accidental-grob", a->self_scm ());
-
- a->set_grob_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 < arpeggios_.size (); i++)
- Side_position_interface::add_support (arpeggios_[i], a);
- }
-
-
- /*
- We should not record the accidental if it is the first
- note and it is tied from the previous measure.
-
- Checking whether it is tied also works mostly, but will it
- always do the correct thing?
- */
-
-
- int n = pitch->notename_;
- int o = pitch->octave_;
- int a = pitch->alteration_;
- SCM on_s = gh_cons (scm_int2num (o), scm_int2num (n));
-
- /*
- TODO: Speed this up!
-
- Perhaps only check translators mentioned in the auto-accidentals?
- -rz
-
- TODO: profile this.
-
- I'd be surprised if the impact of this would be
- measurable. Anyway, it seems localsig doesn't change
- every time-step, but a set_property() is done every
- time. We could save on that, probably.
-
- --hwn.
-
-
- */
-
- while (origin)
- {
- SCM localsig = origin->get_property ("localKeySignature");
- if (tie_changes)
- {
- /*
- Remember an alteration that is different both from
- that of the tied note and of the key signature.
- */
- localsig = ly_assoc_front_x
- (localsig, on_s, gh_cons (SCM_BOOL_T, barnum));
- }
- else
- {
- /*
- not really really correct if there are more than one
- noteheads with the same notename.
- */
- localsig = ly_assoc_front_x
- (localsig, on_s, gh_cons (scm_int2num (a), barnum));
- }
- origin->set_property ("localKeySignature", localsig);
- origin = origin->daddy_trans_;
- }
- }
+ if (to_boolean (get_property ("extraNatural")))
+ a->set_property ("restore-first", SCM_BOOL_T);
+ }
+
+ entry->accidental_ = a;
+}
+
+Grob *
+Accidental_engraver::make_standard_accidental (Stream_event * /* note */,
+ Grob *note_head,
+ Engraver *trans,
+ bool cautionary)
+{
+ /*
+ We construct the accidentals at the originating Voice
+ level, so that we get the property settings for
+ Accidental from the respective Voice.
+ */
+ Grob *a = 0;
+ if (cautionary)
+ a = trans->make_item ("AccidentalCautionary", note_head->self_scm ());
+ else
+ 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 (ly_is_equal (left_objects_[i]->get_property ("side-axis"), scm_from_int (X_AXIS)))
+ Side_position_interface::add_support (left_objects_[i], a);
}
+
+ 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,
+ scm_is_eq (get_property ("accidentalGrouping"), ly_symbol2scm ("voice")),
+ (long) trans);
+
+ 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)
+{
+ 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 ()
{
-
+ last_keysig_ = SCM_EOL;
}
void
Accidental_engraver::stop_translation_timestep ()
{
- for (int i = 0; i < accidentals_.size(); i++)
+ for (vsize j = ties_.size (); j--;)
+ {
+ Grob *r = Tie::head (ties_[j], RIGHT);
+ Grob *l = Tie::head (ties_[j], LEFT);
+ if (l && r)
+ {
+ // Don't mark accidentals as "tied" when the pitch is not
+ // actually the same. This is relevant for enharmonic ties.
+ Stream_event *le = unsmob<Stream_event> (l->get_property ("cause"));
+ Stream_event *re = unsmob<Stream_event> (r->get_property ("cause"));
+ if (le && re
+ && !ly_is_equal (le->get_property ("pitch"), re->get_property ("pitch")))
+ continue;
+ }
+
+ for (vsize i = accidentals_.size (); i--;)
+ if (accidentals_[i].head_ == r)
+ {
+ if (Grob *g = accidentals_[i].accidental_)
+ {
+ g->set_object ("tie", ties_[j]->self_scm ());
+ accidentals_[i].tied_ = true;
+ }
+ ties_.erase (ties_.begin () + j);
+ break;
+ }
+ }
+
+ for (vsize i = accidentals_.size (); i--;)
{
- Grob *a = accidentals_[i].accidental_;
- if (a)
- {
- typeset_grob (a);
- }
+ Stream_event *note = accidentals_[i].melodic_;
+ Context *origin = accidentals_[i].origin_;
+
+ int barnum = measure_number (origin);
+
+ Pitch *pitch = unsmob<Pitch> (note->get_property ("pitch"));
+ if (!pitch)
+ continue;
+
+ int n = pitch->get_notename ();
+ int o = pitch->get_octave ();
+ Rational a = pitch->get_alteration ();
+ SCM key = scm_cons (scm_from_int (o), scm_from_int (n));
+
+ Moment end_mp = measure_position (context (),
+ unsmob<Duration> (note->get_property ("duration")));
+ SCM position = scm_cons (scm_from_int (barnum), end_mp.smobbed_copy ());
+
+ SCM localsig = SCM_EOL;
+ while (origin
+ && origin->where_defined (ly_symbol2scm ("localAlterations"), &localsig))
+ {
+ bool change = false;
+ if (accidentals_[i].tied_
+ && !(to_boolean (accidentals_[i].accidental_->get_property ("forced"))))
+ {
+ /*
+ Remember an alteration that is different both from
+ that of the tied note and of the key signature.
+ */
+ localsig = ly_assoc_prepend_x (localsig, key, scm_cons (ly_symbol2scm ("tied"),
+ position));
+ change = true;
+ }
+ else
+ {
+ /*
+ not really correct if there is more than one
+ note head with the same notename.
+ */
+ localsig = ly_assoc_prepend_x (localsig, key,
+ scm_cons (ly_rational2scm (a),
+ position));
+ change = true;
+ }
+
+ if (change)
+ origin->set_property ("localAlterations", localsig);
+
+ origin = origin->get_parent_context ();
+ }
}
if (accidental_placement_)
- typeset_grob(accidental_placement_);
- accidental_placement_ = 00;
-
- accidentals_.clear();
- arpeggios_.clear ();
- ties_.clear ();
+ for (vsize i = 0; i < note_columns_.size (); i++)
+ Separation_item::add_conditional_item (note_columns_[i], accidental_placement_);
+
+ accidental_placement_ = 0;
+ accidentals_.clear ();
+ note_columns_.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"))
+ // option to skip accidentals on string harmonics
+ && (to_boolean (get_property ("harmonicAccidentals"))
+ || !scm_is_eq (info.grob ()->get_property ("style"),
+ ly_symbol2scm ("harmonic")))
+ // ignore accidentals in non-printing voices like NullVoice
+ && !to_boolean (info.context ()->get_property ("nullAccidentals")))
{
- Accidental_entry entry ;
- entry.head_ = info.grob_;
- entry.origin_ = info.origin_trans_->daddy_trans_;
+ Accidental_entry entry;
+ entry.head_ = info.grob ();
+ entry.origin_engraver_ = dynamic_cast<Engraver *> (info.origin_translator ());
+ entry.origin_ = entry.origin_engraver_->context ();
entry.melodic_ = note;
- accidentals_.push (entry);
- }
- else if (Tie::has_interface (info.grob_))
- {
- ties_.push (info.grob_);
- }
- else if (Arpeggio::has_interface (info.grob_))
- {
- arpeggios_.push (info.grob_);
+ accidentals_.push_back (entry);
}
-
}
void
-Accidental_engraver::process_music ()
+Accidental_engraver::acknowledge_end_tie (Grob_info info)
{
- SCM sig = get_property ("keySignature");
+ ties_.push_back (dynamic_cast<Spanner *> (info.grob ()));
+}
- /* Detect key sig changes.
- Update all parents and children
- */
- if (last_keysig_ != sig)
- {
- Translator_group * trans_ = daddy_trans_;
- while (trans_)
- {
- trans_ -> set_property ("localKeySignature", ly_deep_copy (sig));
- trans_ = trans_->daddy_trans_;
- }
- set_property_on_children(daddy_trans_,"localKeySignature", sig);
-
- last_keysig_ = sig;
- }
+void
+Accidental_engraver::acknowledge_note_column (Grob_info info)
+{
+ note_columns_.push_back (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 ("keyAlterations");
+ if (!scm_is_eq (last_keysig_, sig))
+ update_local_key_signature (sig);
+}
+void
+Accidental_engraver::boot ()
+{
+ ADD_ACKNOWLEDGER (Accidental_engraver, arpeggio);
+ ADD_ACKNOWLEDGER (Accidental_engraver, finger);
+ ADD_ACKNOWLEDGER (Accidental_engraver, rhythmic_head);
+ ADD_END_ACKNOWLEDGER (Accidental_engraver, tie);
+ ADD_ACKNOWLEDGER (Accidental_engraver, note_column);
+}
-ENTER_DESCRIPTION (Accidental_engraver,
-"Make accidentals. Catches note heads, ties and notices key-change "
-" events. Due to interaction with ties (which don't come together "
-" with note heads), this needs to be in a context higher than Tie_engraver.",
- "Accidental",
-/* accepts */ "",
- "rhythmic-head-interface tie-interface arpeggio-interface",
- "localKeySignature extraNatural autoAccidentals autoCautionaries",
- "localKeySignature");
+ADD_TRANSLATOR (Accidental_engraver,
+ /* doc */
+ "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}.",
+
+ /* create */
+ "Accidental "
+ "AccidentalCautionary "
+ "AccidentalPlacement "
+ "AccidentalSuggestion ",
+
+ /* read */
+ "autoAccidentals "
+ "autoCautionaries "
+ "internalBarNumber "
+ "extraNatural "
+ "harmonicAccidentals "
+ "accidentalGrouping "
+ "keyAlterations "
+ "localAlterations ",
+
+ /* write */
+ "localAlterations "
+ );