/*
local-key-engraver.cc -- implement Local_key_engraver
- (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include "musical-request.hh"
#include "command-request.hh"
-#include "local-key-engraver.hh"
#include "local-key-item.hh"
-#include "key-engraver.hh"
-#include "debug.hh"
#include "key-item.hh"
#include "tie.hh"
#include "note-head.hh"
-#include "time-description.hh"
+#include "timing-translator.hh"
#include "engraver-group-engraver.hh"
#include "grace-align-item.hh"
+#include "staff-symbol-referencer.hh"
+#include "side-position-interface.hh"
+#include "engraver.hh"
+
+
+/**
+ 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.
+ (FIXME).
+ */
+struct Local_key_engraver : Engraver {
+ Local_key_item *key_item_p_;
+protected:
+ VIRTUAL_COPY_CONS(Translator);
+ virtual void do_process_music();
+ virtual void acknowledge_element (Score_element_info);
+ virtual void do_pre_move_processing();
+ virtual void do_creation_processing ();
+ virtual void process_acknowledged ();
+ virtual void do_removal_processing ();
+public:
+
+ // todo -> property
+ SCM last_keysig_;
+
+ Link_array<Note_req> mel_l_arr_;
+ Link_array<Item> support_l_arr_;
+ Link_array<Item> forced_l_arr_;
+ Link_array<Item> tied_l_arr_;
+ Local_key_engraver();
+
+ Grace_align_item * grace_align_l_;
+};
Local_key_engraver::Local_key_engraver()
{
- key_grav_l_ = 0;
key_item_p_ =0;
grace_align_l_ =0;
+ last_keysig_ = SCM_EOL;
}
void
Local_key_engraver::do_creation_processing ()
{
- /*
- UGHGUHGUH.
-
- Breaks if Key_engraver is removed from under us.
- */
- Translator * result =
- daddy_grav_l()->get_simple_translator ("Key_engraver");
-
- key_grav_l_ = dynamic_cast<Key_engraver *> (result);
-
- if (!key_grav_l_)
- {
- warning (_ ("out of tune:"));
- warning (_f ("Can't find: `%s'", "Key_engraver"));
- }
- else
- {
- local_key_ = key_grav_l_->key_;
- }
-
- /*
- TODO
- (if we are grace) get key info from parent Local_key_engraver
- */
+ last_keysig_ = get_property ("keySignature");
+ daddy_trans_l_->set_property ("localKeySignature", last_keysig_);
}
void
Local_key_engraver::process_acknowledged ()
{
+ SCM localsig = get_property ("localKeySignature");
+
if (!key_item_p_ && mel_l_arr_.size())
{
- SCM f = get_property ("forgetAccidentals",0);
- bool forget = gh_boolean_p (f) && gh_scm2bool(f);
+ SCM f = get_property ("forgetAccidentals");
+ bool forget = to_boolean (f);
for (int i=0; i < mel_l_arr_.size(); i++)
{
Item * support_l = support_l_arr_[i];
Note_req * note_l = mel_l_arr_[i];
- if (tied_l_arr_.find_l (support_l) && !forget)
- local_key_.set (note_l->pitch_);
-
- if (!note_l->forceacc_b_
- && local_key_.different_acc (note_l->pitch_))
- continue;
- if (!key_item_p_)
+ int n = note_l->pitch_.notename_i_;
+ int o = note_l->pitch_.octave_i_;
+ int a = note_l->pitch_.accidental_i_;
+
+ /* 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 */
+
+ SCM prev = scm_assoc (gh_cons (gh_int2scm (o), gh_int2scm (n)), localsig);
+ if (prev == SCM_BOOL_F)
+ prev = scm_assoc (gh_int2scm (n), localsig);
+ int prev_acc = (prev == SCM_BOOL_F) ? 0 : gh_scm2int (gh_cdr (prev));
+ bool different = prev_acc != a;
+
+ bool tie_changes = tied_l_arr_.find_l (support_l) && different;
+ if (!forget
+ && (note_l->forceacc_b_ || different)
+ && !tie_changes)
{
- key_item_p_ = new Local_key_item;
- announce_element (Score_element_info (key_item_p_, 0));
+ if (!key_item_p_)
+ {
+ key_item_p_ = new Local_key_item (get_property ("basicLocalKeyProperties"));
+ Side_position_interface (key_item_p_).set_axis (X_AXIS);
+ Side_position_interface (key_item_p_).set_direction (LEFT);
+ staff_symbol_referencer(key_item_p_).set_interface ();
+
+ announce_element (Score_element_info (key_item_p_, 0));
+ }
+
+
+ bool extra_natural =
+ sign (prev_acc) * (prev_acc - a) == 1
+ && abs(prev_acc) == 2;
+
+ key_item_p_->add_pitch (note_l->pitch_,
+ note_l->cautionary_b_,
+ extra_natural);
+ Side_position_interface (key_item_p_).add_support (support_l);
}
-
- key_item_p_->add_pitch (note_l->pitch_,
- note_l->cautionary_b_);
- key_item_p_->add_support (support_l);
if (!forget)
- local_key_.set (note_l->pitch_);
- }
+ {
+ localsig = scm_assoc_set_x (localsig, gh_cons (gh_int2scm (o),
+ gh_int2scm (n)),
+ gh_int2scm (a));
+
+#if 0
+ /*
+ TESTME!
+ */
+ if (!tied_l_arr_.find_l (support_l))
+ {
+ local_key_.clear_internal_forceacc (note_l->pitch_);
+ }
+ else if (tie_changes)
+ {
+ local_key_.set_internal_forceacc (note_l->pitch_);
+ }
+#endif
+ }
+ }
}
+
+ /*
+ UGH !
+ */
+
if (key_item_p_ && grace_align_l_)
{
- grace_align_l_->add_support (key_item_p_);
+ Side_position_interface (grace_align_l_).add_support (key_item_p_);
grace_align_l_ =0;
}
void
Local_key_engraver::do_removal_processing ()
{
- // TODO: signal accidentals to Local_key_engraver the
+ // TODO: if grace ? signal accidentals to Local_key_engraver the
}
void
if (key_item_p_)
{
for (int i=0; i < support_l_arr_.size(); i++)
- key_item_p_->add_support (support_l_arr_[i]);
+ Side_position_interface (key_item_p_).add_support (support_l_arr_[i]);
typeset_element (key_item_p_);
key_item_p_ =0;
void
Local_key_engraver::acknowledge_element (Score_element_info info)
{
- SCM wg= get_property ("weAreGraceContext", 0);
+ SCM wg= get_property ("weAreGraceContext");
bool selfgr = gh_boolean_p (wg) &&gh_scm2bool (wg);
- bool he_gr = info.elem_l_->get_elt_property ("grace") != SCM_UNDEFINED;
+ bool he_gr = to_boolean (info.elem_l_->get_elt_property ("grace"));
Grace_align_item * gai = dynamic_cast<Grace_align_item*> (info.elem_l_);
if (he_gr && !selfgr && gai)
Note_req * note_l = dynamic_cast <Note_req *> (info.req_l_);
Note_head * note_head = dynamic_cast<Note_head *> (info.elem_l_);
-
-
if (he_gr != selfgr)
return;
mel_l_arr_.push (note_l);
support_l_arr_.push (note_head);
}
- else if (Tie * tie_l = dynamic_cast<Tie *> (info.elem_l_))
+ else if (Tie * tie_l = dynamic_cast<Tie *> (info.elem_l_))
{
- tied_l_arr_.push (tie_l-> head_l_drul_[RIGHT]);
+ tied_l_arr_.push (tie_l->head (RIGHT));
}
}
+/*
+ ugh. deep_copy uses lots of space.
+ */
void
-Local_key_engraver::do_process_requests()
+Local_key_engraver::do_process_music()
{
- Time_description const * time_C_ = get_staff_info().time_C_;
- if (time_C_ && !time_C_->whole_in_measure_)
+ SCM smp = get_property ("measurePosition");
+ Moment mp = (unsmob_moment (smp)) ? *unsmob_moment (smp) : Moment (0);
+
+ SCM sig = get_property ("keySignature");
+ if (!mp)
{
- SCM n = get_property ("noResetKey",0);
- bool no_res = gh_boolean_p (n) && gh_scm2bool (n);
- if (!no_res && key_grav_l_)
- local_key_= key_grav_l_->key_;
+ if (!to_boolean (get_property ("noResetKey")))
+ daddy_trans_l_->set_property ("localKeySignature", ly_deep_copy (sig));
}
- else if (key_grav_l_ && key_grav_l_->key_changed_b ())
+ else if (last_keysig_ != sig)
{
- local_key_ = key_grav_l_->key_;
+ daddy_trans_l_->set_property ("localKeySignature", ly_deep_copy (sig));
}
}