Run `make grand-replace'.

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

diff --git a/lily/lyric-engraver.cc b/lily/lyric-engraver.cc
index fd08fa16dcd9f531d77b1abdf6a7a1953aac66cf..1c206a81fd9fc9b16b24652f2aa03a98ed1d5d46 100644 (file)
--- a/lily/lyric-engraver.cc
+++ b/lily/lyric-engraver.cc
@@ -3,17 +3,18 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  (c) 1997--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
   Jan Nieuwenhuizen <janneke@gnu.org>
 */
 
 #include "context.hh"
 #include "engraver.hh"
-#include "font-metric.hh"
 #include "item.hh"
-#include "multi-measure-rest.hh"
 #include "note-head.hh"
-#include "rest.hh"
+#include "stream-event.hh"
+#include "international.hh"
+
+#include "translator.icc"
 
 /**
    Generate texts for lyric syllables.  We only do one lyric at a time.
@@ -23,14 +24,14 @@ class Lyric_engraver : public Engraver
 {
 protected:
   void stop_translation_timestep ();
-  virtual bool try_music (Music *);
   void process_music ();
+  DECLARE_TRANSLATOR_LISTENER (lyric);
 
 public:
   TRANSLATOR_DECLARATIONS (Lyric_engraver);
 
 private:
-  Music *event_;
+  Stream_event *event_;
   Item *text_;
   Item *last_text_;
 
@@ -44,15 +45,11 @@ Lyric_engraver::Lyric_engraver ()
   event_ = 0;
 }
 
-bool
-Lyric_engraver::try_music (Music *r)
+IMPLEMENT_TRANSLATOR_LISTENER (Lyric_engraver, lyric);
+void
+Lyric_engraver::listen_lyric (Stream_event *ev)
 {
-  if (!event_)
-    {
-      event_ = r;
-      return true;
-    }
-  return false;
+  ASSIGN_EVENT_ONCE (event_, ev);
 }
 
 void
@@ -62,7 +59,7 @@ Lyric_engraver::process_music ()
     {
       SCM text = event_->get_property ("text");
 
-      if (ly_is_equal (text, scm_makfrom0str (" ")))
+      if (ly_is_equal (text, scm_from_locale_string (" ")))
        {
          if (last_text_)
            last_text_->set_property ("self-alignment-X", scm_from_int (LEFT));
@@ -70,7 +67,6 @@ Lyric_engraver::process_music ()
       else
        {
          text_ = make_item ("LyricText", event_->self_scm ());
-         text_->set_property ("text", text);
        }
     }
 }
@@ -83,15 +79,19 @@ get_voice_to_lyrics (Context *lyrics)
     return c;
 
   SCM voice_name = lyrics->get_property ("associatedVoice");
-  String nm = lyrics->id_string ();
+  string nm = lyrics->id_string ();
 
   if (scm_is_string (voice_name))
     nm = ly_scm2string (voice_name);
+  else if (nm == "")
+    {
+      return 0;
+    }
   else
     {
-      int idx = nm.index_last ('-');
-      if (idx >= 0)
-       nm = nm.left_string (idx);
+      ssize idx = nm.rfind ('-');
+      if (idx != NPOS)
+       nm = nm.substr (0, idx);
     }
 
   Context *parent = lyrics;
@@ -119,12 +119,20 @@ get_voice_to_lyrics (Context *lyrics)
 Grob *
 get_current_note_head (Context *voice)
 {
+  Moment now = voice->now_mom ();
   for (SCM s = voice->get_property ("busyGrobs");
        scm_is_pair (s); s = scm_cdr (s))
     {
-      Item *g = dynamic_cast<Item *> (unsmob_grob (scm_cdar (s)));
-
-      if (g && !g->get_column ()
+      Grob *g = unsmob_grob (scm_cdar (s));;
+      Moment *end_mom = unsmob_moment (scm_caar (s));
+      if (!end_mom || !g)
+       {
+         programming_error ("busyGrobs invalid");
+         continue;
+       }
+      
+      if (end_mom->main_part_ > now.main_part_
+         && dynamic_cast<Item *> (g)
          && Note_head::has_interface (g))
        return g;
     }
@@ -138,7 +146,7 @@ Lyric_engraver::stop_translation_timestep ()
   if (text_)
     {
       Context *voice = get_voice_to_lyrics (context ());
-
+ 
       if (voice)
        {
          Grob *head = get_current_note_head (voice);
@@ -147,7 +155,12 @@ Lyric_engraver::stop_translation_timestep ()
            {
              text_->set_parent (head, X_AXIS);
              if (melisma_busy (voice))
-               text_->set_property ("self-alignment-X", scm_from_int (LEFT));
+               text_->set_property ("self-alignment-X", get_property("lyricMelismaAlignment"));
+           }
+         else
+           {
+             text_->warning (_ ("Lyric syllable does not have note. Use \\lyricsto or associatedVoice."));
+             text_->set_property ("X-offset", scm_from_int (0));
            }
        }
 
@@ -157,11 +170,15 @@ Lyric_engraver::stop_translation_timestep ()
   event_ = 0;
 }
 
-#include "translator.icc"
-
 ADD_TRANSLATOR (Lyric_engraver,
-               /* doc */ "",
-               /* create */ "LyricText",
-               /* accept */ "lyric-event",
-               /* read */ "",
-               /* write */ "");
+               /* doc */
+               "Engrave text for lyrics.",
+
+               /* create */
+               "LyricText ",
+               /* read */
+               "lyricMelismaAlignment ",
+
+               /* write */
+               ""
+               );