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 "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)
-{
- Group_interface gi (this, "dots");
- gi.add_element (d);
- add_dependency (d);
- add_element (d);
-}
-void
-Dot_column::add_head (Rhythmic_head *r)
-{
- if (!r->dots_l ())
- return ;
-
- add_support (r);
- add_dots (r->dots_l ());
-}
-int
-Dot_column::compare (Dots * const &d1, Dots * const &d2)
+void
+Dot_column::set_interface (Score_element* me)
{
- Staff_symbol_referencer_interface s1(d1);
- Staff_symbol_referencer_interface s2(d2);
-
-
- return int (s1.position_f () - s2.position_f ());
-}
-
-Dot_column::Dot_column ()
-{
- Group_interface gi (this, "dots");
- gi.set_interface ();
+ Directional_element_interface::set (me, RIGHT);
- set_direction (RIGHT);
- set_axes(X_AXIS,X_AXIS);
+ Axis_group_interface::set_interface (me);
+ Axis_group_interface::set_axes (me, X_AXIS,X_AXIS);
}
/*
Should be smarter.
*/
-void
-Dot_column::do_post_processing ()
+
+
+MAKE_SCHEME_CALLBACK(Dot_column,force_shift_callback,2);
+SCM
+Dot_column::force_shift_callback (SCM element_smob, SCM axis)
{
- Link_array<Dots> dots = Group_interface__extract_elements (this, (Dots*)0 , "dots");
- dots.sort (Dot_column::compare);
+ Score_element *me = unsmob_element (element_smob);
+ Axis a = (Axis) gh_scm2int (axis);
+ assert (a == Y_AXIS);
+ me = me->parent_l (X_AXIS);
+ SCM dots = me->get_elt_property ("dots");
+ do_shifts (dots);
+ return gh_double2scm (0.0);
+}
+
+SCM
+Dot_column::do_shifts (SCM l)
+{
+ 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;
+ return SCM_UNSPECIFIED;
Slice s;
s.set_empty ();
int conflicts = 0;
for (int i=0; i < dots.size (); i++)
{
- Real p = Staff_symbol_referencer_interface (dots[i]).position_f ();
+ Real p = Staff_symbol_referencer::position_f (dots[i]);
for (int j=0; j < taken_posns.size (); j++)
{
if (taken_posns[j] == (int) p)
}
if (!conflicts)
- return;
+ return SCM_UNSPECIFIED;
int middle = s.center ();
/*
if (!(pos % 2))
pos ++; // center () rounds down.
- for (int i=0; i <dots.size (); pos += 2, i++)
+ for (int i=0; i < dots.size (); pos += 2, i++)
{
- staff_symbol_referencer_interface (dots[i]).set_position(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"));
+}
+
+
+void
+Dot_column::add_head (Score_element * me, Score_element *rh)
+{
+ Score_element * d = unsmob_element (rh->get_elt_property ("dot"));
+ if (d)
+ {
+ Side_position::add_support (me,rh);
+
+ Pointer_group_interface ::add_element (me, "dots",d);
+ d->add_offset_callback (Dot_column::force_shift_callback_proc , Y_AXIS);
+ Axis_group_interface::add_element (me, d);
+ }
+}
+