/*
- note-head-line-engraver.cc -- implement Note_head_line_engraver
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 2000--2015 Jan Nieuwenhuizen <janneke@gnu.org>
- (c) 2000--2005 Jan Nieuwenhuizen <janneke@gnu.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 "side-position-interface.hh"
#include "staff-symbol-referencer.hh"
#include "context.hh"
+#include "spanner.hh"
+#include "item.hh"
/**
Create line-spanner grobs for lines that connect note heads.
TRANSLATOR_DECLARATIONS (Note_head_line_engraver);
protected:
- DECLARE_ACKNOWLEDGER(rhythmic_head);
+ void acknowledge_rhythmic_head (Grob_info);
void process_acknowledged ();
void stop_translation_timestep ();
Grob *last_head_;
};
-Note_head_line_engraver::Note_head_line_engraver ()
+Note_head_line_engraver::Note_head_line_engraver (Context *c)
+ : Engraver (c)
{
line_ = 0;
follow_ = false;
Note_head_line_engraver::acknowledge_rhythmic_head (Grob_info info)
{
head_ = info.grob ();
- if (to_boolean (get_property ("followVoice")))
+ Context *tr = find_context_above (context (), ly_symbol2scm ("Staff"));
+ if (tr
+ && tr != last_staff_
+ && to_boolean (get_property ("followVoice")))
{
- Context *tr = context ();
- while (tr && !tr->is_alias (ly_symbol2scm ("Staff")))
- tr = tr->get_parent_context ();
-
- if (tr
- && tr->is_alias (ly_symbol2scm ("Staff")) && tr != last_staff_)
- {
- if (last_head_)
- follow_ = true;
- last_staff_ = tr;
- }
+ if (last_head_)
+ follow_ = true;
}
+ last_staff_ = tr;
}
void
Should probably store follow_ in line_, and suicide at some
later point */
if (follow_)
- line_ = make_spanner ("VoiceFollower", head_->self_scm ());
+ line_ = make_spanner ("VoiceFollower", head_->self_scm ());
line_->set_bound (LEFT, last_head_);
line_->set_bound (RIGHT, head_);
}
#include "translator.icc"
-ADD_ACKNOWLEDGER(Note_head_line_engraver, rhythmic_head);
+
+void
+Note_head_line_engraver::boot ()
+{
+ ADD_ACKNOWLEDGER (Note_head_line_engraver, rhythmic_head);
+}
+
ADD_TRANSLATOR (Note_head_line_engraver,
- /* descr */ "Engrave a line between two note heads, for example a glissando. If "
- " followVoice is set, staff switches also generate a line.",
- /* creats*/ "Glissando VoiceFollower",
- /* accepts */ "glissando-event",
- /* reads */ "followVoice",
- /* write */ "");
+ /* doc */
+ "Engrave a line between two note heads in a staff"
+ " switch if @code{followVoice} is set.",
+
+ /* create */
+ "VoiceFollower ",
+
+ /* read */
+ "followVoice ",
+
+ /* write */
+ ""
+ );