source file of the GNU LilyPond music typesetter
- (c) 2000--2001 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 2000--2004 Jan Nieuwenhuizen <janneke@gnu.org>
*/
#include "engraver.hh"
#include "group-interface.hh"
#include "item.hh"
-#include "musical-request.hh"
+#include "event.hh"
#include "arpeggio.hh"
#include "stem.hh"
-#include "local-key-item.hh"
#include "rhythmic-head.hh"
#include "side-position-interface.hh"
-#include "staff-symbol-referencer.hh"
+#include "note-column.hh"
class Arpeggio_engraver : public Engraver
{
TRANSLATOR_DECLARATIONS(Arpeggio_engraver);
protected:
virtual void acknowledge_grob (Grob_info);
- virtual void create_grobs ();
+ virtual void process_music ();
+
virtual void stop_translation_timestep ();
virtual bool try_music (Music *);
private:
Item* arpeggio_;
- Arpeggio_req *arpeggio_req_;
- Link_array <Grob> stems_;
- Link_array<Grob> supports_;
+ Music *arpeggio_req_;
};
Arpeggio_engraver::Arpeggio_engraver ()
{
if (!arpeggio_req_)
{
- if (Arpeggio_req *a = dynamic_cast<Arpeggio_req*> (m))
- {
- arpeggio_req_ = a;
- return true;
- }
+ arpeggio_req_ = m;
}
- return false;
+ return true;
}
void
Arpeggio_engraver::acknowledge_grob (Grob_info info)
{
- if (arpeggio_req_)
+ if (arpeggio_)
{
- if (Stem::has_interface (info.grob_l_))
+ if (Stem::has_interface (info.grob_))
{
- stems_.push (info.grob_l_);
+ if (!arpeggio_->get_parent (Y_AXIS))
+ arpeggio_->set_parent (info.grob_, Y_AXIS);
+
+ Pointer_group_interface::add_grob (arpeggio_, ly_symbol2scm ("stems"), info.grob_);
}
/*
We can't catch local key items (accidentals) from Voice context,
see Local_key_engraver
*/
- else if (Rhythmic_head::has_interface (info.grob_l_))
+ else if (Rhythmic_head::has_interface (info.grob_))
+ {
+ Side_position_interface::add_support (arpeggio_, info.grob_);
+ }
+ else if (Note_column::has_interface (info.grob_ ))
{
- supports_.push (info.grob_l_);
+ info.grob_->set_grob_property ("arpeggio", arpeggio_->self_scm ());
}
}
}
void
-Arpeggio_engraver::create_grobs ()
+Arpeggio_engraver::process_music ()
{
- if (!arpeggio_ && !stems_.empty ())
+ if (arpeggio_req_)
{
- arpeggio_ = new Item (get_property ("Arpeggio"));
- arpeggio_->set_parent (stems_[0], Y_AXIS);
-
- for (int i = 0; i < stems_.size (); i++)
- {
- Pointer_group_interface::add_element (arpeggio_, "stems", stems_[i]);
- }
- for (int i = 0; i < supports_.size (); i++)
- {
- Side_position_interface::add_support (arpeggio_, supports_[i]);
- }
- announce_grob (arpeggio_, arpeggio_req_);
+ arpeggio_ = make_item ("Arpeggio");
+ announce_grob(arpeggio_, arpeggio_req_->self_scm());
}
}
arpeggio_ = 0;
}
arpeggio_req_ = 0;
- stems_.clear ();
- supports_.clear ();
}
ENTER_DESCRIPTION(Arpeggio_engraver,
/* descr */ "Generate an Arpeggio from a Arpeggio_req",
/* creats*/ "Arpeggio",
-/* acks */ "stem-interface rhythmic-head-interface",
+/* accepts */ "arpeggio-event",
+/* acks */ "stem-interface rhythmic-head-interface note-column-interface",
/* reads */ "",
/* write */ "");