source file of the GNU LilyPond music typesetter
- (c) 1996--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
- Jan Nieuwenhuizen <janneke@gnu.org>
- */
+ (c) 1996--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ Jan Nieuwenhuizen <janneke@gnu.org>
+*/
#include "performer-group-performer.hh"
+
#include "context.hh"
#include "audio-element.hh"
#include "warn.hh"
-
-ENTER_DESCRIPTION(Performer_group_performer,
-/* descr */ "",
-/* creats*/ "",
-/* accepts */ "",
-/* acks */ "",
-/* reads */ "",
-/* write */ "");
-
-
+ADD_TRANSLATOR_GROUP (Performer_group_performer,
+ /* doc */ "",
+ /* create */ "",
+ /* accept */ "",
+ /* read */ "",
+ /* write */ "");
void
Performer_group_performer::announce_element (Audio_element_info info)
{
announce_infos_.push (info);
- Translator *t
- = unsmob_translator (daddy_context_->daddy_context_->implementation_);
+ Translator_group *t
+ = context ()->get_parent_context ()->implementation ();
- if (Performer_group_performer * eg = dynamic_cast<Performer_group_performer*> (t))
+ if (Performer_group_performer *eg = dynamic_cast<Performer_group_performer *> (t))
eg->announce_element (info);
}
void
Performer_group_performer::acknowledge_audio_elements ()
{
- for (int j =0; j < announce_infos_.size (); j++)
+ for (int j = 0; j < announce_infos_.size (); j++)
{
Audio_element_info info = announce_infos_[j];
- for (SCM p = get_simple_trans_list (); gh_pair_p (p); p = ly_cdr (p))
+ for (SCM p = get_simple_trans_list (); scm_is_pair (p); p = scm_cdr (p))
{
- Translator * t = unsmob_translator (ly_car (p));
- Performer * eng = dynamic_cast<Performer*> (t);
- if (eng && eng!= info.origin_trans_)
+ Translator *t = unsmob_translator (scm_car (p));
+ Performer *eng = dynamic_cast<Performer *> (t);
+ if (eng && eng != info.origin_trans_)
eng->acknowledge_audio_element (info);
}
}
}
+void
+performer_each (SCM list, Performer_method method)
+{
+ for (SCM p = list; scm_is_pair (p); p = scm_cdr (p))
+ {
+ Performer *e = dynamic_cast<Performer *> (unsmob_translator (scm_car (p)));
+ if (e)
+ (e->*method) ();
+ }
+}
+
void
Performer_group_performer::do_announces ()
{
{
performer_each (get_simple_trans_list (),
&Performer::create_audio_elements);
-
+
if (!announce_infos_.size ())
- break ;
-
+ break;
+
acknowledge_audio_elements ();
announce_infos_.clear ();
}
}
-Performer_group_performer::Performer_group_performer()
-{
-}
-
-/* c&p engraver-group.cc */
void
-recurse_down_performers (Context * c, Performer_method ptr, bool context_first)
+Performer_group_performer::play_element (Audio_element *e)
{
- Performer_group_performer * tg
- = dynamic_cast<Performer_group_performer*> (unsmob_translator (c->implementation_));
-
-
- if (!context_first)
- {
- performer_each (tg->get_simple_trans_list (),
- ptr);
-
- (tg->*ptr) ();
- }
-
- for (SCM s = c->context_list_ ; gh_pair_p (s);
- s =gh_cdr (s))
- {
- recurse_down_performers (unsmob_context (gh_car (s)), ptr, context_first);
- }
-
- if (context_first)
+ Context *c = context_->get_parent_context ();
+ if (c)
{
- performer_each (tg->get_simple_trans_list (),
- ptr);
- (tg->*ptr) ();
+ Performer_group_performer *pgp = dynamic_cast<Performer_group_performer *> (c->implementation ());
+ pgp->play_element (e);
}
}
-
-void
-performer_each (SCM list, Performer_method method)
+int
+Performer_group_performer::get_tempo () const
{
- for (SCM p = list; gh_pair_p (p); p = ly_cdr (p))
+ Context *c = context_->get_parent_context ();
+ if (c)
{
- Performer * e = dynamic_cast<Performer*>(unsmob_translator (ly_car (p)));
- if (e)
- (e->*method) ();
+ Performer_group_performer *pgp = dynamic_cast<Performer_group_performer *> (c->implementation ());
+ return pgp->get_tempo ();
}
+ return 60;
}
+