source file of the GNU LilyPond music typesetter
- (c) 1998--2001 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 1998--2002 Jan Nieuwenhuizen <janneke@gnu.org>
*/
#include "engraver.hh"
class Chord_name_engraver : public Engraver
{
-public:
- Chord_name_engraver ();
- VIRTUAL_COPY_CONS (Translator);
+
+ TRANSLATOR_DECLARATIONS( Chord_name_engraver);
protected:
virtual void stop_translation_timestep ();
Protected_scm last_chord_;
};
-ADD_THIS_TRANSLATOR (Chord_name_engraver);
+
Chord_name_engraver::Chord_name_engraver ()
{
void
Chord_name_engraver::add_note (Note_req* n)
{
- SCM pitches = gh_car (chord_);
- SCM modifiers = gh_cdr (chord_);
- SCM inversion = modifiers == SCM_EOL ? SCM_EOL : gh_car (modifiers);
- SCM bass = modifiers == SCM_EOL ? SCM_EOL : gh_cdr (modifiers);
+ SCM pitches = ly_car (chord_);
+ SCM modifiers = ly_cdr (chord_);
+ SCM inversion = modifiers == SCM_EOL ? SCM_EOL : ly_car (modifiers);
+ SCM bass = modifiers == SCM_EOL ? SCM_EOL : ly_cdr (modifiers);
if (n->get_mus_property ("inversion") == SCM_BOOL_T)
inversion = n->get_mus_property ("pitch");
void
Chord_name_engraver::acknowledge_grob (Grob_info i)
{
- if (Note_req* n = dynamic_cast<Note_req*> (i.req_l_))
+ if (Note_req* n = dynamic_cast<Note_req*> (i.music_cause ()))
add_note (n);
}
void
Chord_name_engraver::create_grobs ()
{
- if (!chord_name_p_ && gh_car (chord_) != SCM_EOL)
+ if (!chord_name_p_ && ly_car (chord_) != SCM_EOL)
{
chord_name_p_ = new Item (get_property ("ChordName"));
chord_name_p_->set_grob_property ("chord", chord_);
announce_grob (chord_name_p_, 0);
SCM s = get_property ("chordChanges");
- if (to_boolean (s) && gh_car (last_chord_) != SCM_EOL
+ if (to_boolean (s) && ly_car (last_chord_) != SCM_EOL
&& gh_equal_p (chord_, last_chord_))
chord_name_p_->set_grob_property ("begin-of-line-visible", SCM_BOOL_T);
}
}
chord_name_p_ = 0;
- if (gh_car (chord_) != SCM_EOL)
+ if (ly_car (chord_) != SCM_EOL)
last_chord_ = chord_;
chord_ = gh_cons (SCM_EOL, gh_cons (SCM_EOL, SCM_EOL));
}
+ENTER_DESCRIPTION(Chord_name_engraver,
+/* descr */ "Catch Note_req's, Tonic_reqs, Inversion_reqs, Bass_req
+and generate the appropriate chordname.",
+/* creats*/ "ChordName",
+/* acks */ "grob-interface",
+/* reads */ "chordChanges",
+/* write */ "");