-/*
- balloon-engraver.cc -- implement Balloon_engraver
-
- source file of the GNU LilyPond music typesetter
-
- (c) 2006 Han-Wen Nienhuys <hanwen@lilypond.org>
-
+/*
+ This file is part of LilyPond, the GNU music typesetter.
+
+ Copyright (C) 2006--2015 Han-Wen Nienhuys <hanwen@lilypond.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
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
#include "engraver.hh"
-
#include "stream-event.hh"
#include "item.hh"
class Balloon_engraver : public Engraver
{
- TRANSLATOR_DECLARATIONS(Balloon_engraver);
+ TRANSLATOR_DECLARATIONS (Balloon_engraver);
- DECLARE_TRANSLATOR_LISTENER(annotate_output);
- DECLARE_ACKNOWLEDGER(grob);
+ void listen_annotate_output (Stream_event *);
+ void acknowledge_grob (Grob_info);
vector<Stream_event *> events_;
void stop_translation_timestep ();
-
- void balloonify (Grob *, Stream_event *);
+
+ void balloonify (Grob *, Stream_event *);
};
-IMPLEMENT_TRANSLATOR_LISTENER (Balloon_engraver, annotate_output);
void
Balloon_engraver::listen_annotate_output (Stream_event *ev)
{
events_.clear ();
}
-Balloon_engraver::Balloon_engraver ()
+Balloon_engraver::Balloon_engraver (Context *c)
+ : Engraver (c)
{
}
void
Balloon_engraver::balloonify (Grob *g, Stream_event *event)
{
- Grob * b = make_item ("BalloonTextItem", event->self_scm ());
+ Grob *b = make_item ("BalloonTextItem", event->self_scm ());
b->set_property ("text", event->get_property ("text"));
b->set_parent (g, Y_AXIS);
b->set_parent (g, X_AXIS);
Balloon_engraver::acknowledge_grob (Grob_info info)
{
Stream_event *cause = info.event_cause ();
-
+
SCM arts = cause ? cause->get_property ("articulations") : SCM_EOL;
for (SCM s = arts; scm_is_pair (s); s = scm_cdr (s))
{
- Stream_event *e = unsmob_stream_event (scm_car (s));
+ Stream_event *e = unsmob<Stream_event> (scm_car (s));
if (e->in_event_class ("annotate-output-event"))
- {
- balloonify (info.grob (), e);
- }
+ {
+ balloonify (info.grob (), e);
+ }
}
for (vsize i = 0; i < events_.size (); i++)
{
if (info.grob ()->name () == ly_symbol2string (events_[i]->get_property ("symbol")))
- balloonify (info.grob (), events_[i]);
+ balloonify (info.grob (), events_[i]);
}
}
-
-ADD_ACKNOWLEDGER(Balloon_engraver,grob);
-
-ADD_TRANSLATOR(Balloon_engraver,
- "Create balloon texts",
- "BalloonTextItem ",
- /*read*/ "",
- /*write*/ ""
- );
+void
+Balloon_engraver::boot ()
+{
+ ADD_LISTENER (Balloon_engraver, annotate_output);
+ ADD_ACKNOWLEDGER (Balloon_engraver, grob);
+}
+
+ADD_TRANSLATOR (Balloon_engraver,
+ /* doc */
+ "Create balloon texts.",
+
+ /* create */
+ "BalloonTextItem ",
+
+ /*read*/
+ "",
+
+ /*write*/
+ ""
+ );