/*
- g-script-column.cc -- implement Script_column
+ script-column.cc -- implement Script_column
source file of the GNU LilyPond music typesetter
- (c) 1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1999--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include "script-column.hh"
#include "side-position-interface.hh"
-#include "dimension-cache.hh"
+#include "warn.hh"
#include "group-interface.hh"
void
-Script_column::add_staff_sided (Item *i)
+Script_column::add_staff_sided (Grob *me, Item *i)
{
- SCM p = i->get_elt_property ("script-priority");
+ SCM p = i->get_grob_property ("script-priority");
if (!gh_number_p (p))
return;
-
- Group_interface gi (this, "scripts");
- gi.add_element (i);
+ Pointer_group_interface::add_grob (me, ly_symbol2scm ("scripts"),i);
- add_dependency (i);
-}
-
-Script_column::Script_column ()
-{
- set_elt_property ("scripts", SCM_EOL);
+ me->add_dependency (i);
}
static int
-staff_side_compare (Item * const &i1,
- Item * const &i2)
+staff_side_compare (Grob * const &i1,
+ Grob * const &i2)
{
- SCM p1 = i1->get_elt_property ("script-priority");
- SCM p2 = i2->get_elt_property ("script-priority");
+ SCM p1 = i1->get_grob_property ("script-priority");
+ SCM p2 = i2->get_grob_property ("script-priority");
return gh_scm2int (p1) - gh_scm2int (p2);
}
-void
-Script_column::before_line_breaking ()
+MAKE_SCHEME_CALLBACK (Script_column,before_line_breaking,1);
+
+SCM
+Script_column::before_line_breaking (SCM smob)
{
- Drul_array<Link_array<Item> > arrs;
- Link_array<Item> staff_sided
- = Group_interface__extract_elements (this, (Item*)0, "scripts");
+ Grob* me = unsmob_grob (smob);
+ Drul_array<Link_array<Grob> > arrs;
+ Link_array<Grob> staff_sided
+ = Pointer_group_interface__extract_grobs (me, (Grob*)0, "scripts");
for (int i=0; i < staff_sided.size (); i++)
{
- Side_position_interface st (staff_sided[i]);
- arrs[st.get_direction ()].push (staff_sided[i]);
+ Direction d = Side_position_interface::get_direction (staff_sided[i]);
+ if (!d)
+ {
+ programming_error ( "No direction for script?");
+ d = DOWN;
+ staff_sided[i]->set_grob_property ("direction", gh_int2scm (d));
+ }
+
+ arrs[d].push (staff_sided[i]);
}
Direction d = DOWN;
do {
- Link_array<Item> &arr(arrs[d]);
+ Link_array<Grob> &arr (arrs[d]);
arr.sort (staff_side_compare);
- Item * last = 0;
+ Grob * last = 0;
for (int i=0; i < arr.size (); i++)
{
- Side_position_interface s (arr[i]);
+
if (last)
- {
- s.add_support (last);
- }
+ Side_position_interface::add_support (arr[i],last);
- arr[i]->remove_elt_property ("script-priority");
+ arr[i]->remove_grob_property ("script-priority");
last = arr[i];
}
} while (flip (&d) != DOWN);
+
+ return SCM_UNSPECIFIED;
}