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 bool forget = get_property ("forgetAccidentals",0).to_bool();
62 for (int i=0; i < mel_l_arr_.size(); i++)
64 Item * support_l = support_l_arr_[i];
65 Note_req * note_l = mel_l_arr_[i];
67 if (tied_l_arr_.find_l (support_l) &&
71 local_key_.set (note_l->pitch_);
75 if (!note_l->forceacc_b_
76 && local_key_.different_acc (note_l->pitch_))
80 key_item_p_ = new Local_key_item;
81 announce_element (Score_element_info (key_item_p_, 0));
85 key_item_p_->add_pitch (note_l->pitch_,
86 note_l->cautionary_b_);
87 key_item_p_->add_support (support_l);
90 local_key_.set (note_l->pitch_);
93 if (key_item_p_ && grace_align_l_)
95 grace_align_l_->add_support (key_item_p_);
102 Local_key_engraver::do_removal_processing ()
104 // TODO: signal accidentals to Local_key_engraver the
108 Local_key_engraver::do_pre_move_processing()
112 for (int i=0; i < support_l_arr_.size(); i++)
113 key_item_p_->add_support (support_l_arr_[i]);
115 typeset_element (key_item_p_);
122 support_l_arr_.clear();
123 forced_l_arr_.clear();
127 Local_key_engraver::acknowledge_element (Score_element_info info)
129 bool selfgr = get_property ("weAreGraceContext", 0).to_bool ();
130 bool he_gr = info.elem_l_->get_elt_property (grace_scm_sym) != SCM_BOOL_F;
132 Grace_align_item * gai = dynamic_cast<Grace_align_item*> (info.elem_l_);
133 if (he_gr && !selfgr && gai)
135 grace_align_l_ = gai;
137 Note_req * note_l = dynamic_cast <Note_req *> (info.req_l_);
138 Note_head * note_head = dynamic_cast<Note_head *> (info.elem_l_);
145 if (note_l && note_head)
147 mel_l_arr_.push (note_l);
148 support_l_arr_.push (note_head);
150 else if (Tie * tie_l = dynamic_cast<Tie *> (info.elem_l_))
152 tied_l_arr_.push (tie_l-> head_l_drul_[RIGHT]);
157 Local_key_engraver::do_process_requests()
159 Time_description const * time_C_ = get_staff_info().time_C_;
160 if (time_C_ && !time_C_->whole_in_measure_)
162 bool no_res = get_property ("noResetKey",0).to_bool ();
163 if (!no_res && key_grav_l_)
164 local_key_= key_grav_l_->key_;
166 else if (key_grav_l_ && key_grav_l_->key_changed_b ())
168 local_key_ = key_grav_l_->key_;
174 ADD_THIS_TRANSLATOR(Local_key_engraver);