2 local-key-engraver.cc -- implement Local_key_engraver
4 (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
7 #include "musical-request.hh"
8 #include "command-request.hh"
9 #include "local-key-engraver.hh"
10 #include "local-key-item.hh"
11 #include "key-engraver.hh"
13 #include "key-item.hh"
15 #include "note-head.hh"
16 #include "time-description.hh"
17 #include "engraver-group-engraver.hh"
18 #include "grace-align-item.hh"
20 Local_key_engraver::Local_key_engraver()
28 Local_key_engraver::do_creation_processing ()
33 Breaks if Key_engraver is removed from under us.
36 daddy_grav_l()->get_simple_translator ("Key_engraver");
38 key_grav_l_ = dynamic_cast<Key_engraver *> (result);
42 warning (_ ("out of tune:"));
43 warning (_f ("Can't find: `%s'", "Key_engraver"));
47 local_key_ = key_grav_l_->key_;
52 (if we are grace) get key info from parent Local_key_engraver
57 Local_key_engraver::process_acknowledged ()
59 if (!key_item_p_ && mel_l_arr_.size())
61 SCM f = get_property ("forgetAccidentals",0);
62 bool forget = gh_boolean_p (f) && gh_scm2bool(f);
63 for (int i=0; i < mel_l_arr_.size(); i++)
65 Item * support_l = support_l_arr_[i];
66 Note_req * note_l = mel_l_arr_[i];
68 if (tied_l_arr_.find_l (support_l) && !forget)
69 local_key_.set (note_l->pitch_);
71 if (!note_l->forceacc_b_
72 && local_key_.different_acc (note_l->pitch_))
76 key_item_p_ = new Local_key_item;
77 announce_element (Score_element_info (key_item_p_, 0));
80 key_item_p_->add_pitch (note_l->pitch_,
81 note_l->cautionary_b_);
82 key_item_p_->add_support (support_l);
85 local_key_.set (note_l->pitch_);
88 if (key_item_p_ && grace_align_l_)
90 grace_align_l_->add_support (key_item_p_);
97 Local_key_engraver::do_removal_processing ()
99 // TODO: signal accidentals to Local_key_engraver the
103 Local_key_engraver::do_pre_move_processing()
107 for (int i=0; i < support_l_arr_.size(); i++)
108 key_item_p_->add_support (support_l_arr_[i]);
110 typeset_element (key_item_p_);
117 support_l_arr_.clear();
118 forced_l_arr_.clear();
122 Local_key_engraver::acknowledge_element (Score_element_info info)
124 SCM wg= get_property ("weAreGraceContext", 0);
126 bool selfgr = gh_boolean_p (wg) &&gh_scm2bool (wg);
127 bool he_gr = info.elem_l_->get_elt_property ("grace") != SCM_UNDEFINED;
129 Grace_align_item * gai = dynamic_cast<Grace_align_item*> (info.elem_l_);
130 if (he_gr && !selfgr && gai)
132 grace_align_l_ = gai;
134 Note_req * note_l = dynamic_cast <Note_req *> (info.req_l_);
135 Note_head * note_head = dynamic_cast<Note_head *> (info.elem_l_);
142 if (note_l && note_head)
144 mel_l_arr_.push (note_l);
145 support_l_arr_.push (note_head);
147 else if (Tie * tie_l = dynamic_cast<Tie *> (info.elem_l_))
149 tied_l_arr_.push (tie_l-> head_l_drul_[RIGHT]);
154 Local_key_engraver::do_process_requests()
156 Time_description const * time_C_ = get_staff_info().time_C_;
157 if (time_C_ && !time_C_->whole_in_measure_)
159 SCM n = get_property ("noResetKey",0);
160 bool no_res = gh_boolean_p (n) && gh_scm2bool (n);
161 if (!no_res && key_grav_l_)
162 local_key_= key_grav_l_->key_;
164 else if (key_grav_l_ && key_grav_l_->key_changed_b ())
166 local_key_ = key_grav_l_->key_;
172 ADD_THIS_TRANSLATOR(Local_key_engraver);