protected:
virtual void finalize ();
PRECOMPUTED_VIRTUAL void process_music ();
- virtual void acknowledge_grob (Grob_info);
+
+ DECLARE_ACKNOWLEDGER(ledgered);
+ DECLARE_ACKNOWLEDGER(staff_symbol);
void start_spanner ();
void stop_spanner ();
}
void
-Ledger_line_engraver::acknowledge_grob (Grob_info s)
+Ledger_line_engraver::acknowledge_staff_symbol (Grob_info s)
{
- if (Staff_symbol::has_interface (s.grob ()))
+ Spanner *sym = dynamic_cast<Spanner*> (s.grob ());
+
+ if (!span_
+ || span_->get_bound (LEFT) != sym->get_bound (LEFT))
{
- Spanner *sym = dynamic_cast<Spanner*> (s.grob ());
-
- if (!span_
- || span_->get_bound (LEFT) != sym->get_bound (LEFT))
- {
- stop_spanner ();
- start_spanner ();
- }
+ stop_spanner ();
+ start_spanner ();
}
- else if (span_)
+}
+
+void
+Ledger_line_engraver::acknowledge_ledgered (Grob_info s)
+{
+ if (span_)
{
if (!to_boolean (s.grob ()->get_property ("no-ledgers")))
Pointer_group_interface::add_grob (span_, ly_symbol2scm ("note-heads"),
#include "translator.icc"
+ADD_ACKNOWLEDGER(Ledger_line_engraver,ledgered);
+ADD_ACKNOWLEDGER(Ledger_line_engraver,staff_symbol);
ADD_TRANSLATOR (Ledger_line_engraver,
"Creates the spanner to draw ledger lines, and notices objects that need ledger lines",
/* creats*/ "LedgerLineSpanner",
/* accepts */ "",
- /* acks */ "staff-symbol-interface ledgered-interface", // ledgered-interface?
+ /* acks */ "", // ledgered-interface?
/* reads */ "",
/* write */ "")