-/*
- tie-column.cc -- implement Tie_column
-
+/*
+ tie-column.cc -- implement Tie_column
+
source file of the GNU LilyPond music typesetter
-
- (c) 2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
+
+ (c) 2000--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+*/
#include "tie-column.hh"
-#include "group-interface.hh"
-Tie_column::Tie_column ()
-{
- set_elt_property ("ties", SCM_EOL);
-}
+#include <cmath>
+
+#include "skyline.hh"
+#include "warn.hh"
+#include "paper-column.hh"
+#include "spanner.hh"
+#include "pointer-group-interface.hh"
+#include "tie.hh"
+#include "directional-element-interface.hh"
+#include "tie-column-format.hh"
+#include "tie-formatting-problem.hh"
+#include "tie-configuration.hh"
+
+using namespace std;
void
-Tie_column::add_tie (Score_element *s)
+Tie_column::add_tie (Grob *me, Grob *tie)
{
- group (s).add_element (s);
- s->add_dependency (this);
+ if (tie->get_parent (Y_AXIS)
+ && Tie_column::has_interface (tie->get_parent (Y_AXIS)))
+ return;
+
+ if (!Pointer_group_interface::count (me, ly_symbol2scm ("ties")))
+ {
+ dynamic_cast<Spanner *> (me)->set_bound (LEFT, Tie::head (tie, LEFT));
+ dynamic_cast<Spanner *> (me)->set_bound (RIGHT, Tie::head (tie, RIGHT));
+ }
+
+ tie->set_parent (me, Y_AXIS);
+ Pointer_group_interface::add_grob (me, ly_symbol2scm ("ties"), tie);
}
-void
-Tie_column::set_directions ()
+/*
+ Extend the spanner over its Tie constituents.
+*/
+MAKE_SCHEME_CALLBACK (Tie_column, before_line_breaking, 1);
+SCM
+Tie_column::before_line_breaking (SCM smob)
{
- Link_array<Score_element> s =
- Group_interface__extract_elements (this, (Score_element*)0, "ties");
+ Spanner *me = dynamic_cast<Spanner *> (unsmob_grob (smob));
+ for (SCM s = me->get_property ("ties"); scm_is_pair (s); s = scm_cdr (s))
+ {
+ Spanner *tie = dynamic_cast<Spanner *> (unsmob_grob (scm_car (s)));
+ Direction dir = LEFT;
+ do
+ {
+ if (dir * tie->get_bound (dir)->get_column ()->get_rank ()
+ > dir * me->get_bound (dir)->get_column ()->get_rank ())
+ me->set_bound (dir, Tie::head (tie, dir));
+ }
+ while (flip (&dir) != LEFT);
+ }
+
+ return SCM_UNSPECIFIED;
}
-void
-Tie_column::do_post_processing ()
+MAKE_SCHEME_CALLBACK(Tie_column, calc_positioning_done, 1)
+SCM
+Tie_column::calc_positioning_done (SCM smob)
{
- set_directions ();
+ Grob *me = unsmob_grob (smob);
+ extract_grob_set (me, "ties", ro_ties);
+ vector<Grob*> ties (ro_ties);
+ if (!ties.size ())
+ return SCM_BOOL_T;
+
+ if (ties.size() == 1)
+ {
+ /*
+ Already handled by standard mechanisms.
+ */
+ return SCM_BOOL_T;
+ }
+
+ vector_sort (ties, &Tie::compare);
+
+ Tie_formatting_problem problem;
+ problem.from_ties (ties);
+
+ SCM manual_configs = me->get_property ("tie-configuration");
+ problem.set_manual_tie_configuration (manual_configs);
+
+
+ Ties_configuration base = problem.generate_optimal_chord_configuration ();
+
+ for (vsize i = 0; i < base.size(); i++)
+ {
+ Tie::set_control_points (ties[i], problem.common_x_refpoint (),
+ base[i],
+ problem.details_);
+ set_grob_direction (ties[i],
+ base[i].dir_);
+ }
+ return SCM_BOOL_T;
}
+
+
+
+ADD_INTERFACE (Tie_column, "tie-column-interface",
+ "Object that sets directions of multiple ties in a tied chord",
+
+ /* properties */
+ "positioning-done "
+ "tie-configuration "
+ );
+