release: 1.3.61

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

diff --git a/lily/tuplet-engraver.cc b/lily/tuplet-engraver.cc
index fc7ab50eed5dd97540f047ee5e57dbee3683364c..355cb64c09bfd8810c8238a4a77e8e9ecef325e0 100644 (file)
--- a/lily/tuplet-engraver.cc
+++ b/lily/tuplet-engraver.cc
@@ -1,75 +1,144 @@
 /*   
-  auto-plet-engraver.cc --  implement Auto_plet_engraver
+  plet-engraver.cc --  implement Tuplet_engraver
   
   source file of the GNU LilyPond music typesetter
   
-  (c) 1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c) 1998--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   
  */
 
-#include "tuplet-engraver.hh"
+
 #include "command-request.hh"
 #include "tuplet-spanner.hh"
 #include "note-column.hh"
-#include "compressed-music.hh"
-#include "text-def.hh"
+#include "time-scaled-music.hh"
 #include "beam.hh"
+#include "music-list.hh"
+#include "engraver.hh"
+
+class Tuplet_engraver : public Engraver
+{
+public:
+  VIRTUAL_COPY_CONS(Translator);
+
+protected:
+  Link_array<Time_scaled_music> time_scaled_music_arr_;
+  /// when does the scaled music stop? Array order is synced with time_scaled_music_arr_
+  Array<Moment> stop_moments_;
+  /// when does the current spanner stop? Array order is synced with time_scaled_music_arr_
+  Array<Moment> span_stop_moments_;
+  
+  /// The spanners. Array order is synced with time_scaled_music_arr_
+  Link_array<Tuplet_spanner> started_span_p_arr_;
+
+  virtual void do_removal_processing ();
+  virtual void acknowledge_element (Score_element_info);
+  virtual bool do_try_music (Music*r);
+  virtual void do_process_music ();
+  virtual void do_post_move_processing ();
+};
 
 bool
 Tuplet_engraver::do_try_music (Music *r)
 {
-  if (Compressed_music * c = dynamic_cast<Compressed_music *> (r))
+  if (Time_scaled_music * c = dynamic_cast<Time_scaled_music *> (r))
     {
-      compressed_music_arr_.push (c);
-      stop_moments_.push (now_moment () + c->duration ());
+      Music *el = c->element_l ();
+      if (!dynamic_cast<Request_chord*> (el))
+       {
+         time_scaled_music_arr_.push (c);
+         Moment m = now_mom () + c->length_mom ();
+         stop_moments_.push (m);
+
+         SCM s = get_property ("tupletSpannerDuration");
+         if (unsmob_moment(s))
+           m = m <? (now_mom () + *unsmob_moment (s));
+         
+         span_stop_moments_.push (m);
+       }
       return true;
     }
   return false;
 }
 
 void
-Tuplet_engraver::do_process_requests ()
+Tuplet_engraver::do_process_music ()
 {
-  for (int i= started_span_p_arr_.size ();
-       i < compressed_music_arr_.size (); i++)
+  SCM v = get_property ("tupletInvisible");
+  if (to_boolean (v))
+    return;
+
+  for (int i= 0; i < time_scaled_music_arr_.size (); i++)
     {
-      Plet_spanner* glep = new Plet_spanner;
-      started_span_p_arr_.push (glep);
+      if (i < started_span_p_arr_.size () && started_span_p_arr_[i])
+       continue;
 
-      Text_def *t = new Text_def;
-      t->text_str_ = to_str (compressed_music_arr_[i]->den_i_);
-      glep->tdef_p_.set_p  (t);
-      announce_element (Score_element_info (glep, compressed_music_arr_ [i]));
+      Tuplet_spanner* glep = new Tuplet_spanner (get_property ("basicTupletSpannerProperties"));
+      if (i >= started_span_p_arr_.size ())
+       started_span_p_arr_.push (glep);
+      else
+       started_span_p_arr_[i] = glep;
+      
+      glep->set_elt_property ("text",
+                             ly_str02scm (to_str (time_scaled_music_arr_[i]->den_i_).ch_C()));
+      
+      announce_element (Score_element_info (glep, time_scaled_music_arr_ [i]));
     }
 }
 
 void
 Tuplet_engraver::acknowledge_element (Score_element_info i)
 {
+  bool grace= to_boolean (i.elem_l_->get_elt_property ("grace"));
+  SCM wg = get_property ("weAreGraceContext");
+  bool wgb = to_boolean (wg);
+  if (grace != wgb)
+    return;
+  
   if (Note_column *nc = dynamic_cast<Note_column *> (i.elem_l_))
     {
       for (int j =0; j  <started_span_p_arr_.size (); j++)
-       started_span_p_arr_[j]->add_column (nc);
+       if (started_span_p_arr_[j]) 
+         started_span_p_arr_[j]->add_column (nc);
     }
   else if (Beam *b = dynamic_cast<Beam *> (i.elem_l_))
     {
       for (int j = 0; j < started_span_p_arr_.size (); j++)
-       started_span_p_arr_[j]->set_beam (b);
+       if (started_span_p_arr_[j]) 
+         started_span_p_arr_[j]->add_beam (b);
     }
 }
 
 void
 Tuplet_engraver::do_post_move_processing ()
 {
-  Moment now = now_moment ();
+  Moment now = now_mom ();
+
+  Moment tsd;
+  SCM s = get_property ("tupletSpannerDuration");
+  if (unsmob_moment (s))
+    tsd = *unsmob_moment (s);
+
   for (int i= started_span_p_arr_.size (); i--; )
     {
+      if (now >= span_stop_moments_[i])
+       {
+         if (started_span_p_arr_[i])
+           {
+             typeset_element (started_span_p_arr_[i]);
+             started_span_p_arr_[i] =0;
+           }
+         
+         if (tsd)
+           span_stop_moments_[i] += tsd;
+       }
+
       if (now >= stop_moments_[i])
        {
-         typeset_element (started_span_p_arr_[i]);
          started_span_p_arr_.del (i);
          stop_moments_.del(i);
-         compressed_music_arr_.del(i);
+         span_stop_moments_.del (i);
+         time_scaled_music_arr_.del(i);
        }
     }
 }
@@ -79,9 +148,11 @@ Tuplet_engraver::do_removal_processing ()
 {
   for (int i=0; i < started_span_p_arr_.size (); i++)
     {
-      typeset_element (started_span_p_arr_[i]);
+      if (started_span_p_arr_[i])
+       typeset_element (started_span_p_arr_[i]);
     }  
 }
 
 ADD_THIS_TRANSLATOR(Tuplet_engraver);
 
+