source file of the GNU LilyPond music typesetter
- (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include "dots.hh"
#include "dot-column.hh"
#include "rhythmic-head.hh"
+#include "group-interface.hh"
+#include "staff-symbol-referencer.hh"
+#include "directional-element-interface.hh"
+#include "side-position-interface.hh"
+#include "axis-group-interface.hh"
+
-void
-Dot_column::add_dots (Dots *d)
-{
- dot_l_arr_.push (d);
- add_dependency (d);
- add_element (d);
-}
void
-Dot_column::add_head (Rhythmic_head *r)
+Dot_column::add_head (Score_element * me, Score_element *rh)
{
- if (!r->dots_l_)
- return ;
+ Score_element * d = unsmob_element (rh->get_elt_property ("dot"));
+ if (d)
+ {
+ Side_position::add_support (me,rh);
- add_support (r);
- add_dots (r->dots_l_);
+ Pointer_group_interface gi (me, "dots");
+ gi.add_element (d);
+
+ d->add_offset_callback (force_shift_callback , Y_AXIS);
+ Axis_group_interface::add_element (me, d);
+ }
}
-void
-Dot_column::do_substitute_element_pointer (Score_element*o,Score_element*n)
-{
- Note_head_side::do_substitute_element_pointer (o,n);
- if (Dots * d = dynamic_cast<Dots*> (o))
- dot_l_arr_.substitute (d, dynamic_cast<Dots*> (n));
-}
-int
-Dot_column::compare (Dots * const &d1, Dots * const &d2)
-{
- return d1->position_i_ - d2->position_i_;
-}
+
void
-Dot_column::do_pre_processing ()
+Dot_column::set_interface (Score_element* me)
{
- dot_l_arr_.sort (Dot_column::compare);
- Note_head_side::do_pre_processing ();
+ me->set_elt_property ("dots", SCM_EOL);
+ Directional_element_interface (me).set (RIGHT);
+
+ Axis_group_interface::set_interface (me);
+ Axis_group_interface::set_axes (me, X_AXIS,X_AXIS);
}
-Dot_column::Dot_column ()
+/*
+ Will fuck up in this case.
+
+ X. .
+ X.X .
+ |X .
+ |
+ |
+ |X .
+ |
+ |
+
+
+ Should be smarter.
+ */
+
+
+Real
+Dot_column::force_shift_callback (Score_element * dot, Axis a)
{
- notehead_align_dir_ = RIGHT;
- set_axes(X_AXIS,X_AXIS);
+ assert (a == Y_AXIS);
+ Score_element * me = dot->parent_l (X_AXIS);
+ SCM dots = me->get_elt_property ("dots");
+ do_shifts (dots);
+ return 0.0;
}
-void
-Dot_column::do_post_processing ()
+SCM
+Dot_column::do_shifts (SCM l)
{
- if (dot_l_arr_.size () < 2)
- return;
+ Link_array<Score_element> dots;
+ while (gh_pair_p (l))
+ {
+ dots.push (unsmob_element (gh_car (l)));
+ l = gh_cdr (l);
+ }
+
+ dots.sort (compare_position);
+
+ if (dots.size () < 2)
+ return SCM_UNSPECIFIED;
Slice s;
s.set_empty ();
-
- for (int i=0; i < dot_l_arr_.size (); i++)
+
+ Array<int> taken_posns;
+ int conflicts = 0;
+ for (int i=0; i < dots.size (); i++)
{
- s.unite (Slice (dot_l_arr_[i]->position_i_,dot_l_arr_[i]->position_i_));
+ Real p = Staff_symbol_referencer::position_f (dots[i]);
+ for (int j=0; j < taken_posns.size (); j++)
+ {
+ if (taken_posns[j] == (int) p)
+ conflicts++;
+ }
+ taken_posns.push ((int)p);
+ s.unite (Slice ((int)p,
+ (int)p));
}
+
+ if (!conflicts)
+ return SCM_UNSPECIFIED;
+
int middle = s.center ();
/*
+1 -> off by one
*/
- int pos = middle - dot_l_arr_.size () + 1;
+ int pos = middle - dots.size () + 1;
if (!(pos % 2))
pos ++; // center () rounds down.
- for (int i=0; i <dot_l_arr_.size (); pos += 2, i++)
+ for (int i=0; i < dots.size (); pos += 2, i++)
{
- dot_l_arr_[i]->position_i_ = pos;
+ Score_element * d = dots[i];
+ Staff_symbol_referencer::set_position (d,pos);
}
+
+ return SCM_UNSPECIFIED;
+}
+
+bool
+Dot_column::has_interface (Score_element*m)
+{
+ return m && m->has_interface (ly_symbol2scm ("dot-column-interface"));
}