/*
- breathing_sign-engraver.cc -- implement Breathing_sign_engraver
+ This file is part of LilyPond, the GNU music typesetter.
- (c) 1999--2005 Michael Krause
+ Copyright (C) 1999--2014 Michael Krause
written for the GNU LilyPond music typesetter
TODO:
- . Cancel any beams running through the breathing sign
- ([e8 \breathe f e f] should become [e8] \breathe [f e f])
. Spacing is not yet completely pretty
+
+ 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 "staff-symbol-referencer.hh"
#include "breathing-sign.hh"
-#include "engraver-group-engraver.hh"
+#include "engraver.hh"
#include "item.hh"
+#include "stream-event.hh"
+
+#include "translator.icc"
class Breathing_sign_engraver : public Engraver
{
TRANSLATOR_DECLARATIONS (Breathing_sign_engraver);
protected:
- virtual bool try_music (Music *req);
- PRECOMPUTED_VIRTUAL void process_acknowledged ();
- PRECOMPUTED_VIRTUAL void stop_translation_timestep ();
+ void process_music ();
+ void stop_translation_timestep ();
+ DECLARE_TRANSLATOR_LISTENER (breathing);
private:
- Music *breathing_sign_req_;
+ Stream_event *breathing_sign_event_;
Grob *breathing_sign_;
};
Breathing_sign_engraver::Breathing_sign_engraver ()
{
breathing_sign_ = 0;
- breathing_sign_req_ = 0;
+ breathing_sign_event_ = 0;
}
-bool
-Breathing_sign_engraver::try_music (Music *r)
+IMPLEMENT_TRANSLATOR_LISTENER (Breathing_sign_engraver, breathing);
+void
+Breathing_sign_engraver::listen_breathing (Stream_event *ev)
{
- breathing_sign_req_ = r;
- return true;
+ ASSIGN_EVENT_ONCE (breathing_sign_event_, ev);
}
void
-Breathing_sign_engraver::process_acknowledged ()
+Breathing_sign_engraver::process_music ()
{
- if (breathing_sign_req_ && ! breathing_sign_)
+ if (breathing_sign_event_)
{
- breathing_sign_ = make_item ("BreathingSign", breathing_sign_req_->self_scm ());
- breathing_sign_req_ = 0;
+ breathing_sign_ = make_item ("BreathingSign", breathing_sign_event_->self_scm ());
}
}
Breathing_sign_engraver::stop_translation_timestep ()
{
breathing_sign_ = 0;
- breathing_sign_req_ = 0;
+ breathing_sign_event_ = 0;
}
-#include "translator.icc"
-
ADD_TRANSLATOR (Breathing_sign_engraver,
- /* descr */ "",
- /* creats*/ "BreathingSign",
- /* accepts */ "breathing-event",
- /* acks */ "",
- /* reads */ "",
- /* write */ "");
+ /* doc */
+ "Create a breathing sign.",
+
+ /* create */
+ "BreathingSign ",
+
+ /* read */
+ "",
+
+ /* write */
+ ""
+ );