/*
This file is part of LilyPond, the GNU music typesetter.
- Copyright (C) 2002--2014 Han-Wen Nienhuys, Jean-Baptiste Lamy <jiba@tuxfamily.org>,
+ Copyright (C) 2002--2015 Han-Wen Nienhuys, Jean-Baptiste Lamy <jiba@tuxfamily.org>,
LilyPond is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
TRANSLATOR_DECLARATIONS (Tab_note_heads_engraver);
protected:
- DECLARE_TRANSLATOR_LISTENER (note);
- DECLARE_TRANSLATOR_LISTENER (string_number);
- DECLARE_TRANSLATOR_LISTENER (fingering);
+ void listen_note (Stream_event *);
+ void listen_string_number (Stream_event *);
+ void listen_fingering (Stream_event *);
void process_music ();
void stop_translation_timestep ();
};
-Tab_note_heads_engraver::Tab_note_heads_engraver ()
+Tab_note_heads_engraver::Tab_note_heads_engraver (Context *c)
+ : Engraver (c)
{
}
-IMPLEMENT_TRANSLATOR_LISTENER (Tab_note_heads_engraver, note);
void
Tab_note_heads_engraver::listen_note (Stream_event *ev)
{
note_events_.push_back (ev);
}
-IMPLEMENT_TRANSLATOR_LISTENER (Tab_note_heads_engraver, string_number);
void
Tab_note_heads_engraver::listen_string_number (Stream_event *ev)
{
tabstring_events_.push_back (ev);
}
-IMPLEMENT_TRANSLATOR_LISTENER (Tab_note_heads_engraver, fingering);
void
Tab_note_heads_engraver::listen_fingering (Stream_event *ev)
{
bool length_changed = (note_events_.size () != fret_count);
vsize index;
- if (string_fret_finger != SCM_EOL)
+ if (!scm_is_null (string_fret_finger))
for (vsize i = 0; i < fret_count; i++)
{
note_entry = scm_list_ref (string_fret_finger, scm_from_int (i));
string_number = scm_car (note_entry);
- if (string_number != SCM_BOOL_F)
+ if (scm_is_true (string_number))
{
fret = scm_cadr (note_entry);
fret_label = scm_call_3 (fret_procedure,
fingering_events_.clear ();
}
+void
+Tab_note_heads_engraver::boot ()
+{
+ ADD_LISTENER (Tab_note_heads_engraver, note);
+ ADD_LISTENER (Tab_note_heads_engraver, string_number);
+ ADD_LISTENER (Tab_note_heads_engraver, fingering);
+}
+
ADD_TRANSLATOR (Tab_note_heads_engraver,
/* doc */
"Generate one or more tablature note heads from event of type"