X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fkey-engraver.cc;h=a4e2dbe22022c396d25e36448dead2ccc5b61a68;hb=7af4bf1f7440843fa24de456edc04ad31b616cf9;hp=d0345c0040b81e16e98cdf6e79cadb1ffbbcb466;hpb=bfb10684605084baf1a898be8f42c0e463c5764a;p=lilypond.git diff --git a/lily/key-engraver.cc b/lily/key-engraver.cc index d0345c0040..a4e2dbe220 100644 --- a/lily/key-engraver.cc +++ b/lily/key-engraver.cc @@ -3,41 +3,45 @@ source file of the GNU LilyPond music typesetter - (c) 1997--2002 Han-Wen Nienhuys + (c) 1997--2004 Han-Wen Nienhuys */ -#include "command-request.hh" -#include "musical-request.hh" + +#include "event.hh" #include "item.hh" #include "bar-line.hh" #include "staff-symbol-referencer.hh" -#include "translator-group.hh" +#include "context.hh" #include "engraver.hh" #include "pitch.hh" #include "protected-scm.hh" #include "clef.hh" +/* + TODO: The representation of key sigs is all fucked. + */ + /** Make the key signature. */ class Key_engraver : public Engraver { void create_key (bool); - void read_req (Key_change_req const * r); - Key_change_req * keyreq_l_; - Item * item_p_; + void read_ev (Music const * r); + Music * key_ev_; + Item * item_; public: - TRANSLATOR_DECLARATIONS(Key_engraver); + TRANSLATOR_DECLARATIONS (Key_engraver); protected: virtual void initialize (); virtual void finalize (); - virtual bool try_music (Music *req_l); + virtual bool try_music (Music *ev); virtual void stop_translation_timestep (); virtual void start_translation_timestep (); - virtual void create_grobs (); + virtual void process_music (); virtual void acknowledge_grob (Grob_info); }; @@ -50,51 +54,51 @@ Key_engraver::finalize () Key_engraver::Key_engraver () { - keyreq_l_ = 0; - item_p_ = 0; + key_ev_ = 0; + item_ = 0; } void Key_engraver::create_key (bool def) { - if (!item_p_) + if (!item_) { - item_p_ = new Item (get_property ("KeySignature")); + item_ = make_item ("KeySignature"); - item_p_->set_grob_property ("c0-position", - get_property ("centralCPosition")); + item_->set_property ("c0-position", + get_property ("middleCPosition")); - // todo: put this in basic props. - item_p_->set_grob_property ("old-accidentals", get_property ("lastKeySignature")); - item_p_->set_grob_property ("new-accidentals", get_property ("keySignature")); + if (to_boolean (get_property ("printKeyCancellation"))) + item_->set_property ("old-accidentals", get_property ("lastKeySignature")); + item_->set_property ("new-accidentals", get_property ("keySignature")); - announce_grob(item_p_, keyreq_l_ ? keyreq_l_->self_scm() : SCM_EOL); + announce_grob (item_, key_ev_ ? key_ev_->self_scm () : SCM_EOL); } if (!def) { SCM vis = get_property ("explicitKeySignatureVisibility"); if (gh_procedure_p (vis)) - item_p_->set_grob_property ("visibility-lambda",vis); + item_->set_property ("break-visibility",vis); } } bool -Key_engraver::try_music (Music * req_l) +Key_engraver::try_music (Music * ev) { - if (Key_change_req *kc = dynamic_cast (req_l)) + if (ev->is_mus_type ("key-change-event")) { - if (keyreq_l_ && !keyreq_l_->equal_b (kc)) + if (!key_ev_) { - kc->origin ()->warning (_ ("Conflicting key signatures found.")); - keyreq_l_->origin ()->warning (_ ("This was the other key definition.")); - return false; + /* + do this only once, just to be on the safe side. + */ + key_ev_ = ev; + read_ev (key_ev_); } - keyreq_l_ = kc; - read_req (keyreq_l_); - + return true; } return false; @@ -104,7 +108,7 @@ Key_engraver::try_music (Music * req_l) void Key_engraver::acknowledge_grob (Grob_info info) { - if (Clef::has_interface (info.grob_l_)) + if (Clef::has_interface (info.grob_)) { SCM c = get_property ("createKeyOnClefChange"); if (to_boolean (c)) @@ -112,7 +116,7 @@ Key_engraver::acknowledge_grob (Grob_info info) create_key (false); } } - else if (Bar_line::has_interface (info.grob_l_) + else if (Bar_line::has_interface (info.grob_) && gh_pair_p (get_property ("keySignature"))) { create_key (true); @@ -121,9 +125,9 @@ Key_engraver::acknowledge_grob (Grob_info info) void -Key_engraver::create_grobs () +Key_engraver::process_music () { - if (keyreq_l_ || + if (key_ev_ || get_property ("lastKeySignature") != get_property ("keySignature")) create_key (false); } @@ -132,18 +136,18 @@ Key_engraver::create_grobs () void Key_engraver::stop_translation_timestep () { - if (item_p_) + if (item_) { - typeset_grob (item_p_); - item_p_ = 0; + typeset_grob (item_); + item_ = 0; } } void -Key_engraver::read_req (Key_change_req const * r) +Key_engraver::read_ev (Music const * r) { - SCM p = r->get_mus_property ("pitch-alist"); + SCM p = r->get_property ("pitch-alist"); if (!gh_pair_p (p)) return; @@ -163,31 +167,36 @@ Key_engraver::read_req (Key_change_req const * r) if (gh_scm2int (ly_cdar (s))) accs = gh_cons (ly_car (s), accs); - daddy_trans_l_->set_property ("lastKeySignature", - get_property ("keySignature")); - daddy_trans_l_->set_property ("keySignature", accs); + daddy_context_->set_property ("keySignature", accs); + daddy_context_->set_property ("tonic" , + r->get_property ("tonic")); } void Key_engraver::start_translation_timestep () { - keyreq_l_ = 0; - daddy_trans_l_->set_property ("lastKeySignature", get_property ("keySignature")); + key_ev_ = 0; + daddy_context_->set_property ("lastKeySignature", get_property ("keySignature")); } void Key_engraver::initialize () { - daddy_trans_l_->set_property ("keySignature", SCM_EOL); - daddy_trans_l_->set_property ("lastKeySignature", SCM_EOL); + daddy_context_->set_property ("keySignature", SCM_EOL); + daddy_context_->set_property ("lastKeySignature", SCM_EOL); + + Pitch p (0,0,0); + daddy_context_->set_property ("tonic", p.smobbed_copy ()); + } -ENTER_DESCRIPTION(Key_engraver, +ENTER_DESCRIPTION (Key_engraver, /* descr */ "", /* creats*/ "KeySignature", -/* acks */ "bar-line-interface clef-interface", -/* reads */ "keySignature lastKeySignature explicitKeySignatureVisibility createKeyOnClefChange keyAccidentalOrder keySignature", -/* write */ "lastKeySignature"); +/* accepts */ "key-change-event", +/* acks */ "bar-line-interface clef-interface", +/* reads */ "keySignature printKeyCancellation lastKeySignature explicitKeySignatureVisibility createKeyOnClefChange keyAccidentalOrder keySignature", +/* write */ "lastKeySignature tonic keySignature");