-/*
+/*
arpeggio-engraver.cc -- implement Arpeggio_engraver
-
+
source file of the GNU LilyPond music typesetter
-
- (c) 2000 Jan Nieuwenhuizen <janneke@gnu.org>
- */
+
+ (c) 2000--2009 Jan Nieuwenhuizen <janneke@gnu.org>
+*/
#include "engraver.hh"
-#include "group-interface.hh"
-#include "item.hh"
+
+#include "pointer-group-interface.hh"
#include "arpeggio.hh"
#include "stem.hh"
+#include "rhythmic-head.hh"
+#include "side-position-interface.hh"
+#include "stream-event.hh"
+#include "note-column.hh"
+#include "item.hh"
+
+#include "translator.icc"
class Arpeggio_engraver : public Engraver
{
public:
- VIRTUAL_COPY_CONS (Translator);
- Arpeggio_engraver ();
+ TRANSLATOR_DECLARATIONS (Arpeggio_engraver);
+ void acknowledge_stem (Grob_info);
+ void acknowledge_rhythmic_head (Grob_info);
protected:
- virtual void acknowledge_element (Score_element_info);
- virtual void process_acknowledged ();
- virtual void do_pre_move_processing ();
-
+ void process_music ();
+ void stop_translation_timestep ();
+ DECLARE_TRANSLATOR_LISTENER (arpeggio);
private:
- Item* arpeggio_;
- Link_array <Score_element> stems_;
+ Item *arpeggio_;
+ Stream_event *arpeggio_event_;
};
Arpeggio_engraver::Arpeggio_engraver ()
{
arpeggio_ = 0;
+ arpeggio_event_ = 0;
+}
+
+IMPLEMENT_TRANSLATOR_LISTENER (Arpeggio_engraver, arpeggio);
+void Arpeggio_engraver::listen_arpeggio (Stream_event *ev)
+{
+ ASSIGN_EVENT_ONCE (arpeggio_event_, ev);
}
void
-Arpeggio_engraver::acknowledge_element (Score_element_info info)
+Arpeggio_engraver::acknowledge_stem (Grob_info info)
{
- if (Stem::has_interface (info.elem_l_))
+ if (arpeggio_)
{
- stems_.push (info.elem_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 ());
}
}
+void
+Arpeggio_engraver::acknowledge_rhythmic_head (Grob_info info)
+{
+ if (arpeggio_)
+
+ /*
+ We can't catch local key items (accidentals) from Voice context,
+ see Local_key_engraver
+ */
+ Side_position_interface::add_support (arpeggio_, info.grob ());
+}
void
-Arpeggio_engraver::process_acknowledged ()
+Arpeggio_engraver::process_music ()
{
- if (!arpeggio_ && !stems_.empty ())
+ if (arpeggio_event_)
{
- arpeggio_ = new Item (get_property ("basicArpeggioProperties"));
- Pointer_group_interface pgi (arpeggio_, "stems");
- for (int i = 0; i < stems_.size (); i++)
- {
- pgi.add_element (stems_[i]);
- arpeggio_->add_dependency (stems_[i]);
- }
- announce_element (arpeggio_, 0);
+ arpeggio_ = make_item ("Arpeggio", arpeggio_event_->self_scm ());
}
}
void
-Arpeggio_engraver::do_pre_move_processing ()
+Arpeggio_engraver::stop_translation_timestep ()
{
- if (arpeggio_)
- {
- typeset_element (arpeggio_);
- arpeggio_ = 0;
- }
- stems_.clear ();
+ arpeggio_ = 0;
+ arpeggio_event_ = 0;
}
+ADD_ACKNOWLEDGER (Arpeggio_engraver, stem);
+ADD_ACKNOWLEDGER (Arpeggio_engraver, rhythmic_head);
+
+ADD_TRANSLATOR (Arpeggio_engraver,
+ /* doc */
+ "Generate an Arpeggio symbol.",
+
+ /* create */
+ "Arpeggio",
-ADD_THIS_TRANSLATOR (Arpeggio_engraver);
+ /* read */
+ "",
+ /* write */
+ ""
+ );