/*
- melody-engraver.cc -- implement Melody_engraver
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 1997--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 1997--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
-*/
+ 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"
class Melody_engraver : public Engraver
{
Grob *melody_item_;
- Grob *stem_;
+ Grob *stem_;
protected:
-
+
DECLARE_ACKNOWLEDGER (stem);
DECLARE_ACKNOWLEDGER (slur);
TRANSLATOR_DECLARATIONS (Melody_engraver);
void stop_translation_timestep ();
+ void process_acknowledged ();
void process_music ();
};
-
Melody_engraver::Melody_engraver ()
{
stem_ = 0;
if (scm_is_string (get_property ("whichBar")))
melody_item_ = 0;
}
-
+
+/*
+ Used to be in stop_translation_timestep, but grobs can't
+ be created here.
+*/
void
-Melody_engraver::stop_translation_timestep ()
+Melody_engraver::process_acknowledged ()
{
if (stem_
&& !is_direction (stem_->get_property_data ("neutral-direction")))
{
extract_grob_set (stem_, "rests", rests);
if (rests.size ())
- melody_item_ = 0;
+ melody_item_ = 0;
else
- {
- if (!melody_item_)
- melody_item_ = make_item ("MelodyItem", stem_->self_scm ());
+ {
+ if (!melody_item_)
+ melody_item_ = make_item ("MelodyItem", stem_->self_scm ());
- Melody_spanner::add_stem (melody_item_, stem_);
- }
+ Melody_spanner::add_stem (melody_item_, stem_);
+ }
}
- stem_ = 0;
}
+void
+Melody_engraver::stop_translation_timestep ()
+{
+ stem_ = 0;
+}
void
-Melody_engraver::acknowledge_slur (Grob_info info)
+Melody_engraver::acknowledge_slur (Grob_info /* info */)
{
- (void)info;
melody_item_ = 0;
}
-
void
Melody_engraver::acknowledge_stem (Grob_info info)
{
stem_ = info.grob ();
}
-
-
#include "translator.icc"
ADD_ACKNOWLEDGER (Melody_engraver, stem);
ADD_ACKNOWLEDGER (Melody_engraver, slur);
ADD_TRANSLATOR (Melody_engraver,
- /* doc */
- "Create information for context dependent typesetting"
- " decisions.",
+ /* doc */
+ "Create information for context dependent typesetting"
+ " decisions.",
+
+ /* create */
+ "MelodyItem ",
- /* create */
- "MelodyItem ",
+ /* read */
+ "",
- /* read */
- "",
+ /* write */
+ ""
+ );
- /* write */
- ""
- );
-