2 key-performer.cc -- implement Key_performer
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--2000 Jan Nieuwenhuizen <janneke@gnu.org>
9 #include "command-request.hh"
10 #include "audio-item.hh"
11 #include "performer.hh"
13 class Key_performer : public Performer
16 VIRTUAL_COPY_CONS(Translator);
22 virtual bool do_try_music (Music* req_l);
23 virtual void process_acknowledged ();
24 virtual void do_pre_move_processing ();
27 Key_change_req* key_req_l_;
31 ADD_THIS_TRANSLATOR (Key_performer);
33 Key_performer::Key_performer ()
39 Key_performer::~Key_performer ()
44 Key_performer::process_acknowledged ()
47 gh_list_p (key_req_l_->get_mus_property ("pitch-alist")))
49 audio_p_ = new Audio_key (); // *key_req_l_->key_);
50 Audio_element_info info (audio_p_, key_req_l_);
51 announce_element (info);
57 Key_performer::do_pre_move_processing ()
61 play_element (audio_p_);
67 Key_performer::do_try_music (Music* req_l)
69 if (Key_change_req *kc = dynamic_cast <Key_change_req *> (req_l))
72 warning (_ ("FIXME: key change merge"));