TRANSLATOR_DECLARATIONS (Fretboard_engraver);
protected:
+ void stop_translation_timestep ();
+ void process_music ();
+ virtual void derived_mark() const;
DECLARE_TRANSLATOR_LISTENER (note);
DECLARE_TRANSLATOR_LISTENER (string_number);
- void process_music ();
- void stop_translation_timestep ();
+private:
+ SCM last_fret_notes_;
};
+
+void
+Fretboard_engraver::derived_mark () const
+{
+ scm_gc_mark (last_fret_notes_);
+}
+
Fretboard_engraver::Fretboard_engraver ()
{
fret_board_ = 0;
+ last_fret_notes_ = SCM_EOL;
}
IMPLEMENT_TRANSLATOR_LISTENER (Fretboard_engraver, note);
return ;
fret_board_ = make_item ("FretBoard", note_events_[0]->self_scm ());
-
+ SCM fret_notes = ly_cxx_vector_to_list (note_events_);
SCM proc = get_property ("noteToFretFunction");
if (ly_is_procedure (proc))
{
- scm_call_4 (proc,
- context ()->self_scm (),
- fret_board_->self_scm (),
-
- ly_cxx_vector_to_list (note_events_),
- ly_cxx_vector_to_list (tabstring_events_));
+ scm_call_4 (proc,
+ context ()->self_scm (),
+ fret_board_->self_scm (),
+ fret_notes,
+ ly_cxx_vector_to_list (tabstring_events_));
}
+ SCM changes = get_property("chordChanges");
+ if (to_boolean (changes) && scm_is_pair(last_fret_notes_)
+ && ly_is_equal (last_fret_notes_, fret_notes))
+ fret_board_->set_property ("begin-of-line-visible", SCM_BOOL_T);
+
+ last_fret_notes_ = fret_notes;
}
void
"FretBoard ",
/* read */
+ "chordChanges "
"stringTunings "
"minimumFret "
+ "maximumFretStretch "
"tablatureFormat "
- "highStringOne ",
+ "highStringOne "
+ "predefinedDiagramTable",
/* write */
""