-/*
+/*
hara-kiri-engraver.cc -- implement Hara_kiri_engraver
-
+
source file of the GNU LilyPond music typesetter
-
- (c) 1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
-#include "hara-kiri-vertical-group-spanner.hh"
-#include "hara-kiri-engraver.hh"
+ (c) 2005--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+*/
+
+#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 start_translation_timestep ();
+ virtual void derived_mark () const;
+ SCM interesting_;
+public:
+ TRANSLATOR_DECLARATIONS (Hara_kiri_engraver);
+};
+
+void
+Hara_kiri_engraver::derived_mark () const
+{
+ scm_gc_mark (interesting_);
+}
-ADD_THIS_TRANSLATOR (Hara_kiri_engraver);
+void
+Hara_kiri_engraver::start_translation_timestep ()
+{
+ Axis_group_engraver::start_translation_timestep ();
+ interesting_ = get_property ("keepAliveInterfaces");
+}
+
+void
+Hara_kiri_engraver::add_element (Grob *e)
+{
+ Axis_group_engraver::add_element (e);
+}
-Axis_group_spanner*
-Hara_kiri_engraver::get_spanner_p () const
+Spanner *
+Hara_kiri_engraver::get_spanner ()
{
- return new Hara_kiri_group_spanner;
+ Spanner *sp = make_spanner ("VerticalAxisGroup", SCM_EOL);
+ return sp;
}
void
-Hara_kiri_engraver::acknowledge_element (Score_element_info i)
+Hara_kiri_engraver::acknowledge_grob (Grob_info i)
{
- Axis_group_engraver::acknowledge_element (i);
- if (Rhythmic_head *h = dynamic_cast<Rhythmic_head *> (i.elem_l_))
+ 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 ());
+ }
}
-
}
+
+Hara_kiri_engraver::Hara_kiri_engraver ()
+{
+ interesting_ = SCM_EOL;
+}
+
+ADD_ACKNOWLEDGER (Hara_kiri_engraver, grob);
+ADD_TRANSLATOR (Hara_kiri_engraver,
+ /* doc */ "Like Axis_group_engraver, but make a hara-kiri spanner, and add "
+ "interesting items (ie. note heads, lyric syllables and normal rests) ",
+ /* create */ "VerticalAxisGroup",
+ /* accept */ "",
+ /* read */ "keepAliveInterfaces",
+ /* write */ "");
+