source file of the GNU LilyPond music typesetter
- (c) 1997 Jan Nieuwenhuizen <jan@digicash.com>
+ (c) 1997--2004 Jan Nieuwenhuizen <janneke@gnu.org>
*/
-#include "lyric-performer.hh"
-#include "text-def.hh"
-#include "musical-request.hh"
+#include "event.hh"
#include "audio-item.hh"
+#include "lily-proto.hh"
+#include "performer.hh"
+#include "array.hh"
+class Lyric_performer : public Performer {
+public:
+ TRANSLATOR_DECLARATIONS(Lyric_performer);
+protected:
+
+ virtual bool try_music (Music* req);
+ virtual void stop_translation_timestep ();
+ virtual void create_audio_elements ();
+
+private:
+ Link_array<Music> lreqs_;
+ Audio_text* audio_;
+};
-IMPLEMENT_IS_TYPE_B1(Lyric_performer,Performer);
-ADD_THIS_PERFORMER(Lyric_performer);
-Lyric_performer::Lyric_performer()
-{
-}
-Lyric_performer::~Lyric_performer()
+Lyric_performer::Lyric_performer ()
{
+ audio_ = 0;
}
-void
-Lyric_performer::do_print() const
+
+void
+Lyric_performer::create_audio_elements ()
{
-#ifndef NPRINT
- if ( lreq_arr_.size() )
- lreq_arr_[ 0 ]->print();
-#endif
+ // FIXME: won't work with fancy lyrics
+ if (lreqs_.size ()
+ && gh_string_p (lreqs_[0]->get_mus_property ("text"))
+ && ly_scm2string (lreqs_[0]->get_mus_property ("text")).length ())
+ {
+ audio_ = new Audio_text (Audio_text::LYRIC,
+ ly_scm2string (lreqs_[0]->get_mus_property ("text")));
+ Audio_element_info info (audio_, lreqs_[0]);
+ announce_element (info);
+ }
+ lreqs_.clear ();
}
void
-Lyric_performer::process_requests()
+Lyric_performer::stop_translation_timestep ()
{
- if ( lreq_arr_.size() && lreq_arr_[ 0 ]->tdef_p_->text_str_.length_i() )
- play( new Audio_text( Audio_text::LYRIC, lreq_arr_[ 0 ]->tdef_p_->text_str_ ) );
- lreq_arr_.clear();
+ if (audio_)
+ {
+ play_element (audio_);
+ audio_ = 0;
+ }
+ lreqs_.clear ();
}
bool
-Lyric_performer::do_try_request( Request* req_l )
+Lyric_performer::try_music (Music* req)
{
- Musical_req* m_l = req_l->musical();
- if ( !m_l || ! m_l->lreq_l() )
- return false;
- lreq_arr_.push( m_l->lreq_l() );
-
- return true;
+ if (req->is_mus_type ("lyric-event"))
+ {
+ lreqs_.push (req);
+ return true;
+ }
+ return false;
}
+ENTER_DESCRIPTION(Lyric_performer,"","","lyric-event","","","");