Corrections and updates to music glossary

[lilypond.git] / lily / spanner.cc

diff --git a/lily/spanner.cc b/lily/spanner.cc
index f4909f53b2cd69216b5743d481adb8ea6f657626..53d669365450b6aaf5e550c0643854aa7a26f82c 100644 (file)
--- a/lily/spanner.cc
+++ b/lily/spanner.cc
@@ -3,7 +3,7 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1996--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  (c) 1996--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
 */
 
 #include "pointer-group-interface.hh"
@@ -14,11 +14,12 @@
 #include "stencil.hh"
 #include "system.hh"
 #include "warn.hh"
+#include "moment.hh"
 
 Grob *
-Spanner::clone (int count) const
+Spanner::clone () const
 {
-  return new Spanner (*this, count);
+  return new Spanner (*this);
 }
 
 void
@@ -31,22 +32,6 @@ Spanner::do_break_processing ()
   if (!left || !right)
     return;
 
-  /*
-    Check if our parent in X-direction spans equally wide
-    or wider than we do.
-  */
-  for (int a = X_AXIS; a < NO_AXES; a++)
-    {
-      if (Spanner *parent = dynamic_cast<Spanner *> (get_parent ((Axis)a)))
-       {
-         if (!parent->spanned_rank_iv ().superset (this->spanned_rank_iv ()))
-           {
-             programming_error (to_string ("Spanner `%s' is not fully contained in parent spanner `%s'.",
-                                           name ().c_str (),
-                                           parent->name ().c_str ()));
-           }
-       }
-    }
 
   if (get_system () || is_broken ())
     return;
@@ -64,7 +49,7 @@ Spanner::do_break_processing ()
            programming_error ("no broken bound");
          else if (bound->get_system ())
            {
-             Spanner *span = dynamic_cast<Spanner *> (clone (broken_intos_.size ()));
+             Spanner *span = dynamic_cast<Spanner *> (clone ());
              span->set_bound (LEFT, bound);
              span->set_bound (RIGHT, bound);
 
@@ -83,6 +68,21 @@ Spanner::do_break_processing ()
       break_points.insert (break_points.begin () + 0, left);
       break_points.push_back (right);
 
+      Slice parent_rank_slice;
+      parent_rank_slice.set_full ();
+      
+      /*
+       Check if our parent in X-direction spans equally wide
+       or wider than we do.
+      */
+      for (int a = X_AXIS; a < NO_AXES; a++)
+       {
+         if (Spanner *parent = dynamic_cast<Spanner *> (get_parent ((Axis)a)))
+           {
+             parent_rank_slice.intersect (parent->spanned_rank_interval ());
+           }
+       }
+  
       for (vsize i = 1; i < break_points.size (); i++)
        {
          Drul_array<Item *> bounds;
@@ -102,7 +102,18 @@ Spanner::do_break_processing ()
              continue;
            }
 
-         Spanner *span = dynamic_cast<Spanner *> (clone (broken_intos_.size ()));
+         bool ok = parent_rank_slice.contains (bounds[LEFT]->get_column ()->get_rank ());
+         ok = ok && parent_rank_slice.contains (bounds[RIGHT]->get_column ()->get_rank ());
+         
+         if (!ok)
+           {
+             programming_error (to_string ("Spanner `%s' is not fully contained in parent spanner. Ignoring orphaned part",
+                                           name ().c_str ()));
+             continue;
+           }
+           
+         
+         Spanner *span = dynamic_cast<Spanner *> (clone ());
          span->set_bound (LEFT, bounds[LEFT]);
          span->set_bound (RIGHT, bounds[RIGHT]);
 
@@ -145,7 +156,7 @@ Spanner::set_my_columns ()
 }
 
 Interval_t<int>
-Spanner::spanned_rank_iv ()
+Spanner::spanned_rank_interval () const
 {
   Interval_t<int> iv (0, 0);
 
@@ -156,6 +167,14 @@ Spanner::spanned_rank_iv ()
   return iv;
 }
 
+Interval_t<Moment>
+Spanner::spanned_time () const
+{
+  return spanned_time_interval (spanned_drul_[LEFT],
+                               spanned_drul_[RIGHT]);
+}
+
+
 Item *
 Spanner::get_bound (Direction d) const
 {
@@ -196,16 +215,16 @@ Spanner::set_bound (Direction d, Grob *s)
     Pointer_group_interface::add_grob (i, ly_symbol2scm ("bounded-by-me"), this);
 }
 
-Spanner::Spanner (SCM s, Object_key const *key)
-  : Grob (s, key)
+Spanner::Spanner (SCM s)
+  : Grob (s)
 {
   break_index_ = 0;
   spanned_drul_[LEFT] = 0;
   spanned_drul_[RIGHT] = 0;
 }
 
-Spanner::Spanner (Spanner const &s, int count)
-  : Grob (s, count)
+Spanner::Spanner (Spanner const &s)
+  : Grob (s)
 {
   spanned_drul_[LEFT] = spanned_drul_[RIGHT] = 0;
 }
@@ -384,7 +403,7 @@ unsmob_spanner (SCM s)
   return dynamic_cast<Spanner *> (unsmob_grob (s));
 }
 
-MAKE_SCHEME_CALLBACK(Spanner, bounds_width, 1);
+MAKE_SCHEME_CALLBACK (Spanner, bounds_width, 1);
 SCM
 Spanner::bounds_width (SCM grob)
 {
@@ -409,5 +428,6 @@ ADD_INTERFACE (Spanner,
               "also the X-reference point of the spanner.\n",
 
               "minimum-length "
+              "to-barline "
               );