/*
- time_signature-performer.cc -- implement Time_signature_performer
+ time-signature-performer.cc -- implement Time_signature_performer
source file of the GNU LilyPond music typesetter
- (c) 1997--1998 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 1997--2000 Jan Nieuwenhuizen <janneke@gnu.org>
*/
#include "time-signature-performer.hh"
#include "command-request.hh"
#include "audio-item.hh"
-IMPLEMENT_IS_TYPE_B1(Time_signature_performer,Performer);
-ADD_THIS_TRANSLATOR(Time_signature_performer);
+ADD_THIS_TRANSLATOR (Time_signature_performer);
-Time_signature_performer::Time_signature_performer()
+Time_signature_performer::Time_signature_performer ()
{
time_signature_req_l_ = 0;
+ audio_p_ = 0;
}
-Time_signature_performer::~Time_signature_performer()
+Time_signature_performer::~Time_signature_performer ()
{
}
-void
-Time_signature_performer::do_print() const
+
+void
+Time_signature_performer::do_process_music ()
{
-#ifndef NPRINT
if (time_signature_req_l_)
- time_signature_req_l_->print();
-#endif
+ {
+ audio_p_ = new Audio_time_signature (time_signature_req_l_->beats_i_, time_signature_req_l_->one_beat_i_);
+ Audio_element_info info (audio_p_, time_signature_req_l_);
+ announce_element (info);
+ time_signature_req_l_ = 0;
+ }
}
void
-Time_signature_performer::do_process_requests()
+Time_signature_performer::do_pre_move_processing ()
{
- if (time_signature_req_l_)
- play (new Audio_time_signature (time_signature_req_l_));
- time_signature_req_l_ = 0;
+ if (audio_p_)
+ {
+ play_element (audio_p_);
+ audio_p_ = 0;
+ }
}
bool
-Time_signature_performer::do_try_request (Request* req_l)
+Time_signature_performer::do_try_music (Music* req_l)
{
if (time_signature_req_l_)
return false;
- if (dynamic_cast <Command_req *> (req_l))
- time_signature_req_l_ = dynamic_cast <Time_signature_change_req *> (req_l);
-
- if (time_signature_req_l_)
- return true;
+ if (Time_signature_change_req *t =
+ dynamic_cast <Time_signature_change_req *> (req_l))
+ {
+ time_signature_req_l_ = t;
+ return true;
+ }
return false;
}