* lily/lookup.cc (triangle): rewrite, obviating symmetric_x_triangle().

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

diff --git a/lily/beam-engraver.cc b/lily/beam-engraver.cc
index 55d65a577279d368357d757e655ff0a2c3c0c250..727f329dd3fed139c8459f56f87a3edcf1a2c73a 100644 (file)
--- a/lily/beam-engraver.cc
+++ b/lily/beam-engraver.cc
@@ -55,11 +55,11 @@ protected:
   virtual bool try_music (Music*);
   virtual void process_music ();
 
-  virtual bool valid_start_point();
+  virtual bool valid_start_point ();
   virtual bool valid_end_point ();
   
 public:
-  TRANSLATOR_DECLARATIONS(Beam_engraver);
+  TRANSLATOR_DECLARATIONS (Beam_engraver);
 };
 
 
@@ -68,7 +68,7 @@ public:
   always nested.
  */
 bool
-Beam_engraver::valid_start_point()
+Beam_engraver::valid_start_point ()
 {
   Moment n = now_mom ();
 
@@ -76,7 +76,7 @@ Beam_engraver::valid_start_point()
 }
 
 bool
-Beam_engraver::valid_end_point()
+Beam_engraver::valid_end_point ()
 {
   return valid_start_point ();
 }
@@ -121,7 +121,7 @@ Beam_engraver::set_melisma (bool ml)
 {
   SCM b = get_property ("autoBeaming");
   if (!to_boolean (b))
-    daddy_context_->set_property ("beamMelismaBusy", ml ? SCM_BOOL_T :SCM_BOOL_F);
+    context ()->set_property ("beamMelismaBusy", ml ? SCM_BOOL_T :SCM_BOOL_F);
 }
 
 void
@@ -142,9 +142,8 @@ Beam_engraver::process_music ()
 
       set_melisma (true);
       prev_start_ev_ = start_ev_;
-      beam_ = make_spanner ("Beam");
-      SCM smp = get_property ("measurePosition");
-      Moment mp = (unsmob_moment (smp)) ? *unsmob_moment (smp) : Moment (0);
+      beam_ = make_spanner ("Beam", start_ev_->self_scm ());
+      Moment mp (robust_scm2moment (get_property ("measurePosition"), Moment (0)));
 
       beam_start_location_ = mp;
       beam_start_mom_ = now_mom ();
@@ -152,7 +151,6 @@ Beam_engraver::process_music ()
       beam_info_ = new Beaming_info_list;
       
       /* urg, must copy to Auto_beam_engraver too */
-      announce_grob (beam_, start_ev_->self_scm());
     }
 
 }
@@ -163,9 +161,9 @@ Beam_engraver::typeset_beam ()
 {
   if (finished_beam_)
     {
-      finished_beam_info_->beamify(beat_length_, subdivide_beams_);
+      finished_beam_info_->beamify (beat_length_, subdivide_beams_);
       Beam::set_beaming (finished_beam_, finished_beam_info_);
-      typeset_grob (finished_beam_);
+      
       delete finished_beam_info_;
       finished_beam_info_ =0;
       finished_beam_ = 0;
@@ -181,8 +179,8 @@ Beam_engraver::start_translation_timestep ()
     {
       set_melisma (true);
       
-      subdivide_beams_ = to_boolean(get_property("subdivideBeams"));
-      beat_length_ = *unsmob_moment (get_property ("beatLength"));
+      subdivide_beams_ = to_boolean (get_property ("subdivideBeams"));
+      beat_length_ = robust_scm2moment (get_property ("beatLength"), Moment (1,4));
     }
 }
 
@@ -198,7 +196,7 @@ Beam_engraver::stop_translation_timestep ()
       now_stop_ev_ = 0;
       beam_ = 0;
       beam_info_ = 0;
-      typeset_beam();
+      typeset_beam ();
       set_melisma (false);
     }
 }
@@ -230,7 +228,7 @@ Beam_engraver::acknowledge_grob (Grob_info info)
        }
       else if (Stem::has_interface (info.grob_))
        {
-         Moment now = now_mom();
+         Moment now = now_mom ();
 
          if (!valid_start_point ())
            return ;
@@ -239,7 +237,7 @@ Beam_engraver::acknowledge_grob (Grob_info info)
          if (Stem::get_beam (stem))
            return;
 
-         Music* m = info.music_cause();
+         Music* m = info.music_cause ();
          if (!m->is_mus_type ("rhythmic-event"))
            {
              String s = _ ("stem must have Rhythmic structure");
@@ -279,7 +277,7 @@ Beam_engraver::acknowledge_grob (Grob_info info)
 
 
 
-ENTER_DESCRIPTION(Beam_engraver,
+ENTER_DESCRIPTION (Beam_engraver,
 /* descr */       "Handles Beam events by engraving Beams.    If omitted, then notes will be "
 "printed with flags instead of beams.",
 /* creats*/       "Beam",
@@ -292,19 +290,19 @@ ENTER_DESCRIPTION(Beam_engraver,
 class Grace_beam_engraver : public Beam_engraver
 {
 public:
-  TRANSLATOR_DECLARATIONS(Grace_beam_engraver);  
+  TRANSLATOR_DECLARATIONS (Grace_beam_engraver);  
 
 protected:
-  virtual bool valid_start_point();
+  virtual bool valid_start_point ();
   virtual bool valid_end_point ();
 };
 
-Grace_beam_engraver::Grace_beam_engraver()
+Grace_beam_engraver::Grace_beam_engraver ()
 {
 }
 
 bool
-Grace_beam_engraver::valid_start_point()
+Grace_beam_engraver::valid_start_point ()
 {
   Moment n = now_mom ();
 
@@ -320,7 +318,7 @@ Grace_beam_engraver::valid_end_point ()
 
 
 
-ENTER_DESCRIPTION(Grace_beam_engraver,
+ENTER_DESCRIPTION (Grace_beam_engraver,
 /* descr */       "Handles Beam events by engraving Beams.  If omitted, then notes will "
 "be printed with flags instead of beams. Only engraves beams when we "
 " are at grace points in time. "