+ The use of pure_position_less and pure_get_rounded_position below
+ are due to the fact that this callback is called before line breaking
+ occurs. Because dots' actual Y posiitons may be linked to that of
+ beams (dots are attached to rests, which are shifted to avoid beams),
+ we instead must use their pure Y positions.
+ */
+ vector_sort (dots, pure_position_less);
+ for (vsize i = dots.size (); i--;)
+ {
+ if (!dots[i]->is_live ())
+ dots.erase (dots.begin () + i);
+ else
+ // Undo any fake translations that were done in add_head.
+ dots[i]->translate_axis (-dots[i]->relative_coordinate (me, X_AXIS), X_AXIS);
+ }
+
+ Dot_formatting_problem problem (boxes, base_x);
+
+ Dot_configuration cfg (problem);
+ for (vsize i = 0; i < dots.size (); i++)
+ {
+ Dot_position dp;
+ dp.dot_ = dots[i];
+
+ Grob *note = dots[i]->get_parent (Y_AXIS);
+ if (note)
+ {
+ if (Note_head::has_interface (note))
+ dp.dir_ = to_dir (dp.dot_->get_property ("direction"));
+
+ dp.x_extent_ = note->extent (commonx, X_AXIS);
+ }
+
+ int p = Staff_symbol_referencer::pure_get_rounded_position (dp.dot_);
+
+ /* icky, since this should go via a Staff_symbol_referencer
+ offset callback but adding a dot overwrites Y-offset. */
+ p += (int) robust_scm2double (dp.dot_->get_property ("staff-position"), 0.0);
+ dp.pos_ = p;
+
+ cfg.remove_collision (p);
+ cfg[p] = dp;
+ if (Staff_symbol_referencer::on_line (dp.dot_, p) &&
+ dp.dot_->get_property ("style") != ly_symbol2scm ("kievan"))
+ cfg.remove_collision (p);
+ }