-/*
+/*
separating-group-spanner.cc -- implement Separating_group_spanner
-
+
source file of the GNU LilyPond music typesetter
-
+
(c) 1998--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
+*/
#include "separating-group-spanner.hh"
#include "group-interface.hh"
void
-Separating_group_spanner::find_rods (Item * r, SCM next, Real padding)
+Separating_group_spanner::find_rods (Item *r, SCM next, Real padding)
{
/*
NEXT, making it linear in most of the cases.
*/
if (Separation_item::width (r).is_empty ())
- return;
-
+ return;
for (; scm_is_pair (next); next = scm_cdr (next))
{
- Item *l = dynamic_cast<Item*> (unsmob_grob (scm_car ( next)));
+ Item *l = dynamic_cast<Item *> (unsmob_grob (scm_car (next)));
Item *lb = l->find_prebroken_piece (RIGHT);
if (lb)
rod.item_drul_[RIGHT]= r;
rod.distance_ = li[RIGHT] - ri[LEFT] + padding;
-
+
rod.add_to_cols ();
break;
}
SCM
Separating_group_spanner::set_spacing_rods (SCM smob)
{
- Grob*me = unsmob_grob (smob);
+ Grob *me = unsmob_grob (smob);
/*
Ugh: padding is added doubly, also for SeparationItem
- */
+ */
Real padding = robust_scm2double (me->get_property ("padding"), 0.1);
-
+
for (SCM s = me->get_property ("elements"); scm_is_pair (s) && scm_is_pair (scm_cdr (s)); s = scm_cdr (s))
{
/*
Order of elements is reversed!
- */
+ */
SCM elt = scm_car (s);
Item *r = unsmob_item (elt);
continue;
Item *rb
- = dynamic_cast<Item*> (r->find_prebroken_piece (LEFT));
-
+ = dynamic_cast<Item *> (r->find_prebroken_piece (LEFT));
+
find_rods (r, scm_cdr (s), padding);
if (rb)
find_rods (rb, scm_cdr (s), padding);
}
- return SCM_UNSPECIFIED ;
+ return SCM_UNSPECIFIED;
}
void
-Separating_group_spanner::add_spacing_unit (Grob* me , Item*i)
+Separating_group_spanner::add_spacing_unit (Grob *me, Item *i)
{
Pointer_group_interface::add_grob (me, ly_symbol2scm ("elements"), i);
me->add_dependency (i);
}
-
-
-
ADD_INTERFACE (Separating_group_spanner, "separation-spanner-interface",
"A spanner that calculates spacing constraints (\"rods\") "
"using the @code{separation-item-interface} grobs in @code{elements}.",