- Molecule* mol_p = new Molecule;
-
- if (column_arr_.size ()){
- Real w = width ().length ();
- Real dy = column_arr_.top ()->extent (Y_AXIS) [dir_]
- - column_arr_[0]->extent (Y_AXIS) [dir_];
-
- Atom num (tdef_p_->get_atom (paper (), CENTER));
- mol_p->add_atom (num);
- mol_p->add_atom (lookup_l ()->volta (w, last_b_));
- }
- return mol_p;
+ Molecule mol;
+
+ Link_array<Bar> bar_arr
+ = Group_interface__extract_elements (this, (Bar*)0, "bars");
+
+ if (!bar_arr.size ())
+ return mol;
+
+ bool no_vertical_start = false;
+ bool no_vertical_end = to_boolean (get_elt_property ("last-volta"));
+ Spanner *orig_span = dynamic_cast<Spanner*> (original_l_);
+ if (orig_span && (orig_span->broken_into_l_arr_[0] != (Spanner*)this))
+ no_vertical_start = true;
+ if (orig_span && (orig_span->broken_into_l_arr_.top () != (Spanner*)this))
+ no_vertical_end = true;
+
+#if 0
+ // FIXME
+ if (bar_arr.top ()->get_elt_property (type_str_.length_i () > 1)
+ no_vertical_end = false;
+#endif
+
+ Real staff_space = paper_l ()->get_var ("interline");
+ Real half_space = staff_space / 2;
+
+ Real w = spanner_length () - get_broken_left_end_align () - half_space;
+ Real h = paper_l()->get_var ("volta_spanner_height");
+ Real t = paper_l ()->get_var ("volta_thick");
+
+ SCM at = (gh_list (ly_symbol2scm ("volta"),
+ gh_double2scm (h),
+ gh_double2scm (w),
+ gh_double2scm (t),
+ gh_int2scm (no_vertical_start),
+ gh_int2scm (no_vertical_end),
+ SCM_UNDEFINED));
+ //Box b (Interval (0, w), Interval (- h/2, h/2));
+ Box b (Interval (0, w), Interval (0, h));
+ Molecule volta (b, at);
+ mol.add_molecule (volta);
+
+ Molecule num (lookup_l ()->text ("volta",
+ ly_scm2string (get_elt_property("text")),
+ paper_l ()));
+
+ mol.add_at_edge (X_AXIS, LEFT, num, - num.extent (X_AXIS).length ()
+ - staff_space);
+ return mol;