source file of the GNU LilyPond music typesetter
- (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include <math.h> // ceil.
SCM
Rest_collision::force_shift_callback (SCM element_smob, SCM axis)
{
- Score_element *them = unsmob_element (element_smob);
+ Grob *them = unsmob_grob (element_smob);
Axis a = (Axis) gh_scm2int (axis);
assert (a == Y_AXIS);
- Score_element * rc = unsmob_element (them->get_elt_property ("rest-collision"));
+ Grob * rc = unsmob_grob (them->get_grob_property ("rest-collision"));
if (rc)
{
/*
Done: destruct pointers, so we do the shift only once.
*/
- SCM elts = rc->get_elt_property ("elements");
- rc->set_elt_property ("elements", SCM_EOL);
+ SCM elts = rc->get_grob_property ("elements");
+ rc->set_grob_property ("elements", SCM_EOL);
do_shift (rc, elts);
}
}
void
-Rest_collision::add_column (Score_element*me,Score_element *p)
+Rest_collision::add_column (Grob*me,Grob *p)
{
me->add_dependency (p);
Pointer_group_interface::add_element (me, "elements", p);
+ /*
+ only add callback for the rests, since we don't move anything else.
+
+ (not?)
+ */
p->add_offset_callback (Rest_collision::force_shift_callback_proc, Y_AXIS);
- p->set_elt_property ("rest-collision", me->self_scm ());
+ p->set_grob_property ("rest-collision", me->self_scm ());
}
Combination of dot-count and duration-log.
*/
static SCM
-head_characteristic (Score_element * col)
+head_characteristic (Grob * col)
{
- Score_element * s = unsmob_element (col->get_elt_property ("rest"));
+ Grob * s = unsmob_grob (col->get_grob_property ("rest"));
if (!s)
return SCM_BOOL_F;
else
- return gh_cons (s->get_elt_property ("duration-log"),
+ return gh_cons (s->get_grob_property ("duration-log"),
gh_int2scm (Rhythmic_head::dot_count (s)));
}
TODO: fixme, fucks up if called twice on the same set of rests.
*/
SCM
-Rest_collision::do_shift (Score_element *me, SCM elts)
+Rest_collision::do_shift (Grob *me, SCM elts)
{
/*
ugh. -> score elt type
*/
- Link_array<Score_element> rests;
- Link_array<Score_element> notes;
- Score_element * commony = 0;
+ Link_array<Grob> rests;
+ Link_array<Grob> notes;
+ Grob * commony = 0;
for (SCM s = elts; gh_pair_p (s); s = gh_cdr (s))
{
- Score_element * e = unsmob_element (gh_car (s));
+ Grob * e = unsmob_grob (gh_car (s));
if (!e)
continue;
else
commony= commony->common_refpoint (e, Y_AXIS);
- if (unsmob_element (e->get_elt_property ("rest")))
+ if (unsmob_grob (e->get_grob_property ("rest")))
rests.push (e);
else
notes.push (e);
(urg: all 3 of them, currently).
*/
int display_count;
- SCM s = me->get_elt_property ("maximum-rest-count");
+ SCM s = me->get_grob_property ("maximum-rest-count");
if (i == rests.size ()
&& gh_number_p (s) && gh_scm2int (s) < rests.size ())
{
display_count = gh_scm2int (s);
for (; i > display_count; i--)
{
- Score_element* r = unsmob_element (rests[i-1]->get_elt_property ("rest"));
+ Grob* r = unsmob_grob (rests[i-1]->get_grob_property ("rest"));
if (r)
r->suicide ();
rests[i-1]->suicide ();
{
warning (_("too many notes for rest collision"));
}
- Score_element * rcol = rests[0];
+ Grob * rcol = rests[0];
// try to be opposite of noteheads.
Direction dir = - Note_column::dir (notes[0]);
- Score_element * r = unsmob_element (rcol->get_elt_property ("rest"));
+ Grob * r = unsmob_grob (rcol->get_grob_property ("rest"));
Interval restdim = r->extent (r, Y_AXIS); // ??
if (restdim.empty_b ())
// FIXME: staff ref'd?
Real staff_space = 1.0;
- Real minimum_dist = gh_scm2double (me->get_elt_property ("minimum-distance")) * staff_space;
+ Real minimum_dist = gh_scm2double (me->get_grob_property ("minimum-distance")) * staff_space;
/*
assumption: ref points are the same.
Interval notedim;
for (int i = 0; i < notes.size(); i++)
{
- Score_element * stem = Note_column::stem_l (notes[i]);
- Score_element * head = Stem::first_head (stem);
+ Grob * stem = Note_column::stem_l (notes[i]);
+ Grob * head = Stem::first_head (stem);
notedim.unite (head->extent (commony, Y_AXIS));
}
}
void
-Rest_collision::set_interface (Score_element*me)
+Rest_collision::set_interface (Grob*me)
{
me->set_extent_callback (SCM_EOL, X_AXIS);
me->set_extent_callback (SCM_EOL, Y_AXIS);