/*
- text-spanner-engraver.cc -- implement Ottava_spanner_engraver
+ ottova-engraver.cc -- implement Ottava_spanner_engraver
source file of the GNU LilyPond music typesetter
- (c) 2000--2004 Han-Wen Nienhuys
+ (c) 2000--2006 Han-Wen Nienhuys
*/
#include "protected-scm.hh"
#include "note-column.hh"
-#include "item.hh"
#include "side-position-interface.hh"
#include "engraver.hh"
+#include "spanner.hh"
+#include "item.hh"
class Ottava_spanner_engraver : public Engraver
{
public:
- TRANSLATOR_DECLARATIONS(Ottava_spanner_engraver);
+ TRANSLATOR_DECLARATIONS (Ottava_spanner_engraver);
protected:
virtual void finalize ();
- virtual void acknowledge_grob (Grob_info);
- virtual void process_music ();
- virtual void stop_translation_timestep ();
+
+ DECLARE_ACKNOWLEDGER (note_column);
+
+ void process_music ();
+ void stop_translation_timestep ();
+ virtual void derived_mark () const;
private:
Spanner *span_;
Spanner *finished_;
-
- Protected_scm last_ottavation_;
-
+
+ SCM last_ottavation_;
+
void typeset_all ();
};
+void
+Ottava_spanner_engraver::derived_mark () const
+{
+ scm_gc_mark (last_ottavation_);
+}
Ottava_spanner_engraver::Ottava_spanner_engraver ()
{
finished_ = 0;
- span_ =0;
+ span_ = 0;
last_ottavation_ = SCM_EOL;
}
SCM ott = get_property ("ottavation");
if (ott != last_ottavation_)
{
- finished_= span_;
+ finished_ = span_;
span_ = 0;
- if (gh_string_p (ott))
+ if (scm_is_string (ott))
{
- span_ = make_spanner ("OttavaBracket");
+ span_ = make_spanner ("OttavaBracket", SCM_EOL);
span_->set_property ("text", ott);
- announce_grob (span_, SCM_EOL);
- SCM c0 (get_property ("centralCPosition"));
+ SCM c0 (get_property ("middleCPosition"));
SCM oc0 (get_property ("originalCentralCPosition"));
if (scm_less_p (oc0, c0) == SCM_BOOL_T)
- span_->set_property ("direction", gh_int2scm (DOWN));
+ span_->set_property ("direction", scm_from_int (DOWN));
}
}
last_ottavation_ = ott;
}
void
-Ottava_spanner_engraver::acknowledge_grob (Grob_info info)
+Ottava_spanner_engraver::acknowledge_note_column (Grob_info info)
{
- Item *it = dynamic_cast<Item*> (info.grob_);
- if (span_ && it && Note_column::has_interface (info.grob_))
+ Item *it = info.item ();
+ if (span_ && it)
{
Side_position_interface::add_support (span_, it);
void
Ottava_spanner_engraver::typeset_all ()
-{
+{
if (finished_)
{
Direction d = LEFT;
{
if (!finished_->get_bound (RIGHT))
{
- Grob* e = unsmob_grob (get_property ("currentMusicalColumn"));
+ Grob *e = unsmob_grob (get_property ("currentMusicalColumn"));
finished_->set_bound (d, e);
}
}
while (flip (&d) != LEFT);
-
- typeset_grob (finished_);
+
finished_ = 0;
}
}
{
if (span_ && !span_->get_bound (LEFT))
{
- Grob* e = unsmob_grob (get_property ("currentMusicalColumn"));
+ Grob *e = unsmob_grob (get_property ("currentMusicalColumn"));
span_->set_bound (LEFT, e);
}
typeset_all ();
if (span_)
finished_ = span_;
- typeset_all();
+ typeset_all ();
last_ottavation_ = SCM_EOL;
}
-ENTER_DESCRIPTION(Ottava_spanner_engraver,
-/* descr */ "Create a text spanner when the ottavation property changes..",
-/* creats*/ "OttavaBracket",
-/* accepts */ "",
-/* acks */ "note-column-interface",
-/* reads */ "ottavation",
-/* write */ "");
+#include "translator.icc"
+
+ADD_ACKNOWLEDGER (Ottava_spanner_engraver, note_column);
+
+ADD_TRANSLATOR (Ottava_spanner_engraver,
+ /* doc */ "Create a text spanner when the ottavation property changes..",
+ /* create */ "OttavaBracket",
+ /* read */ "ottavation",
+ /* write */ "");