-/*
- hara-kiri-engraver.cc -- implement Hara_kiri_engraver
-
- source file of the GNU LilyPond music typesetter
-
- (c) 1999--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
-#include "hara-kiri-vertical-group-spanner.hh"
-#include "hara-kiri-engraver.hh"
+/*
+ This file is part of LilyPond, the GNU music typesetter.
+
+ Copyright (C) 2005--2012 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 "axis-group-engraver.hh"
+#include "hara-kiri-group-spanner.hh"
#include "rhythmic-head.hh"
+#include "spanner.hh"
+
+#include "translator.icc"
+
+/*
+ TODO: fold together with axis_group_engraver?
+ */
+
+class Hara_kiri_engraver : public Axis_group_engraver
+{
+protected:
+ virtual Spanner *get_spanner ();
+ DECLARE_ACKNOWLEDGER (grob);
+ virtual void add_element (Grob *e);
+ void process_music ();
+ virtual void derived_mark () const;
+ SCM interesting_;
+public:
+ TRANSLATOR_DECLARATIONS (Hara_kiri_engraver);
+};
+
+Hara_kiri_engraver::Hara_kiri_engraver ()
+{
+ interesting_ = SCM_EOL;
+}
-Spanner*
-Hara_kiri_engraver::get_spanner_p () const
+void
+Hara_kiri_engraver::derived_mark () const
{
- return new Hara_kiri_group_spanner (SCM_EOL);
+ scm_gc_mark (interesting_);
}
void
-Hara_kiri_engraver::acknowledge_element (Score_element_info i)
+Hara_kiri_engraver::process_music ()
{
- Axis_group_engraver::acknowledge_element (i);
- if (Rhythmic_head *h = dynamic_cast<Rhythmic_head *> (i.elem_l_))
+ Axis_group_engraver::process_music ();
+ interesting_ = get_property ("keepAliveInterfaces");
+}
+
+void
+Hara_kiri_engraver::add_element (Grob *e)
+{
+ Axis_group_engraver::add_element (e);
+}
+
+Spanner *
+Hara_kiri_engraver::get_spanner ()
+{
+ Spanner *sp = make_spanner ("VerticalAxisGroup", SCM_EOL);
+ return sp;
+}
+
+void
+Hara_kiri_engraver::acknowledge_grob (Grob_info i)
+{
+ Axis_group_engraver::acknowledge_grob (i);
+ if (staffline_)
{
- dynamic_cast<Hara_kiri_group_spanner*> (staffline_p_)
- ->add_interesting_item (h);
+ for (SCM s = interesting_; scm_is_pair (s); s = scm_cdr (s))
+ {
+ if (i.grob ()->internal_has_interface (scm_car (s)))
+ Hara_kiri_group_spanner::add_interesting_item (staffline_, i.grob ());
+ }
}
-
}
-ADD_THIS_TRANSLATOR(Hara_kiri_engraver);
+
+ADD_ACKNOWLEDGER (Hara_kiri_engraver, grob);
+ADD_TRANSLATOR (Hara_kiri_engraver,
+ /* doc */
+ "Like @code{Axis_group_engraver}, but make a hara-kiri"
+ " spanner, and add interesting items (i.e., note heads, lyric"
+ " syllables, and normal rests).",
+
+ /* create */
+ "VerticalAxisGroup ",
+
+ /* read */
+ "keepAliveInterfaces ",
+
+ /* write */
+ ""
+ );
+