source file of the GNU LilyPond music typesetter
- (c) 1997--2000 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 1997--2004 Jan Nieuwenhuizen <janneke@gnu.org>
*/
#include "audio-item.hh"
class Time_signature_performer : public Performer
{
public:
- VIRTUAL_COPY_CONS(Translator);
-
- Time_signature_performer();
- ~Time_signature_performer();
+ TRANSLATOR_DECLARATIONS(Time_signature_performer);
+ ~Time_signature_performer ();
protected:
- void deprecated_process_music();
- virtual void do_pre_move_processing ();
+ virtual void stop_translation_timestep ();
+ virtual void create_audio_elements ();
SCM prev_fraction_;
private:
- Time_signature_change_req* time_signature_req_l_;
- Audio_time_signature* audio_p_;
+
+ Audio_time_signature* audio_;
};
Time_signature_performer::Time_signature_performer ()
{
prev_fraction_ = SCM_BOOL_F;
- audio_p_ = 0;
+ audio_ = 0;
}
Time_signature_performer::~Time_signature_performer ()
void
-Time_signature_performer::deprecated_process_music ()
+Time_signature_performer::create_audio_elements ()
{
SCM fr = get_property ("timeSignatureFraction");
- if (gh_pair_p (fr)
- && scm_equal_p (fr, prev_fraction_) != SCM_BOOL_T)
+ if (gh_pair_p (fr) && !gh_equal_p (fr, prev_fraction_))
{
- int b = gh_scm2int (gh_car (fr));
- int o = gh_scm2int (gh_cdr (fr));
+ prev_fraction_ = fr;
+ int b = gh_scm2int (ly_car (fr));
+ int o = gh_scm2int (ly_cdr (fr));
- audio_p_ = new Audio_time_signature (b,o);
- Audio_element_info info (audio_p_, 0);
+ audio_ = new Audio_time_signature (b,o);
+ Audio_element_info info (audio_, 0);
announce_element (info);
- time_signature_req_l_ = 0;
+
}
}
void
-Time_signature_performer::do_pre_move_processing ()
+Time_signature_performer::stop_translation_timestep ()
{
- if (audio_p_)
+ if (audio_)
{
- play_element (audio_p_);
- audio_p_ = 0;
+ play_element (audio_);
+ audio_ = 0;
}
}
-ADD_THIS_TRANSLATOR (Time_signature_performer);
+ENTER_DESCRIPTION(Time_signature_performer,"","","","","","");