release: 1.5.29

[lilypond.git] / lily / lyric-performer.cc

diff --git a/lily/lyric-performer.cc b/lily/lyric-performer.cc
index aa24dcac2501e7a34c7a57a32952ae7371a8d7ee..fe5ca56d119670bda44b18c52c84d3e1b4f8f678 100644 (file)
--- a/lily/lyric-performer.cc
+++ b/lily/lyric-performer.cc
@@ -3,60 +3,74 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
-           Jan Nieuwenhuizen <jan@digicash.com>
+  (c)  1997--2002 Jan Nieuwenhuizen <janneke@gnu.org>
 */
 
-#include "lyric-performer.hh"
 #include "musical-request.hh"
-//#include "text-item.hh"
-//#include "paper-def.hh"
-//#include "lookup.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_l);
+  virtual void stop_translation_timestep ();
+  virtual void create_audio_elements ();
+
+private:
+  Link_array<Lyric_req> lreq_arr_;
+  Audio_text* audio_p_;
+};
 
-IMPLEMENT_STATIC_NAME(Lyric_performer);
-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_p_ = 0;
 }
 
-bool
-Lyric_performer::do_try_request( Request* req_l )
-{
-    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;
+void
+Lyric_performer::create_audio_elements ()
+{
+  // FIXME: won't work with fancy lyrics
+  if (lreq_arr_.size ()
+      && gh_string_p (lreq_arr_[0]->get_mus_property ("text"))
+      && ly_scm2string (lreq_arr_[0]->get_mus_property ("text")).length_i ())
+    {
+      audio_p_ = new Audio_text (Audio_text::LYRIC,
+                                ly_scm2string (lreq_arr_[0]->get_mus_property ("text")));
+      Audio_element_info info (audio_p_, lreq_arr_[0]);
+      announce_element (info);
+    }
+  lreq_arr_.clear ();
 }
 
 void
-Lyric_performer::do_process_requests()
+Lyric_performer::stop_translation_timestep ()
 {
-#if 0
-    Text_item * last_item_l =0;
-    for (int i=0; i < lreq_arr_.size(); i++) {
-       Text_item *lp = new Text_item(lreq_arr_[i]->tdef_p_ );
-       lp->dir_i_ = -1;
-       lp->fat_b_ = true;
-       if (last_item_l)
-           lp->add_support(last_item_l);
-       last_item_l = lp;
-       typeset_element(lp);
+  if (audio_p_)
+    {
+      play_element (audio_p_);
+      audio_p_ = 0;
     }
-#endif
+  lreq_arr_.clear ();
 }
 
-void
-Lyric_performer::do_post_move_processing()
+bool
+Lyric_performer::try_music (Music* req_l)
 {
-    lreq_arr_.set_size(0);
+  if (Lyric_req *lr = dynamic_cast <Lyric_req *> (req_l))
+    {
+      lreq_arr_.push (lr);
+      return true;
+    }
+  return false;
 }
 
+ENTER_DESCRIPTION(Lyric_performer,"","","","","");