- Molecule*out = 0;
- Paper_def *p = paper();
- Real inter_f = p->internote_f ();
-
- // ugh
- int streepjes_i = abs (position_i_) < staff_size_i_/2
- ? 0
- : (abs(position_i_) - staff_size_i_/2) /2;
-
- //Atom s = lookup_l()->ball (balltype_i_);
-
- Atom s; // = lookup_l()->ball (balltype_i_);
-
- if (note_head_type_str_.length_i ()) {
- if (note_head_type_str_ == "normal")
- note_head_type_str_ = "";
- s = lookup_l()->special_ball (balltype_i_, note_head_type_str_);
+ Grob *me = unsmob<Grob> (smob);
+ Grob *staff = Staff_symbol_referencer::get_staff_symbol (me);
+
+ if (staff)
+ {
+ Real ss = Staff_symbol::staff_space (staff);
+ Interval lines = Staff_symbol::line_span (staff) * (ss / 2.0);
+ Real my_pos = Staff_symbol_referencer::get_position (me) * ss / 2.0;
+ Interval my_ext = me->extent (me, Y_AXIS) + my_pos;
+
+ // The +1 and -1 come from the fact that we only want to add
+ // the interval between the note and the first ledger line, not
+ // the whole interval between the note and the staff.
+ Interval iv (min (0.0, lines[UP] - my_ext[DOWN] + 1),
+ max (0.0, lines[DOWN] - my_ext[UP] - 1));
+ return ly_interval2scm (iv);