-#include "musical-request.hh"
-#include "paper-def.hh"
+/*
+ script.cc -- implement Script
+
+ source file of the GNU LilyPond music typesetter
+
+ (c) 1999--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+
+ */
+
+#include "debug.hh"
#include "script.hh"
-#include "stem.hh"
+#include "font-interface.hh"
+#include "side-position-interface.hh"
+#include "paper-def.hh"
+#include "item.hh"
#include "molecule.hh"
#include "lookup.hh"
-
-
-void
-Script::set_stem(Stem*st_l)
-{
- stem_l_ = st_l;
- add_dependency(st_l);
-}
-
-void
-Script::set_support(Item*i)
+Molecule
+Script::get_molecule (Grob * me, Direction d)
{
- support.push(i);
- add_dependency(i);
-}
+ SCM s = me->get_grob_property ("molecule");
+ assert (gh_pair_p (s));
+
+ SCM key = ly_car (s);
+ if (key == ly_symbol2scm ("feta"))
+ {
+ return Font_interface::get_default_font (me)->find_by_name ("scripts-" +
+ ly_scm2string (index_cell (ly_cdr (s), d)));
+ }
+ else if (key == ly_symbol2scm ("accordion"))
+ {
+ return Lookup::accordion (ly_cdr (s), 1.0, Font_interface::get_default_font (me));
+ }
+ else
+ assert (false);
-Script::Script(Script_req* rq, int staflen)
-{
- staffsize =staflen;
- specs_l_ = rq->scriptdef_p_;
- stem_l_ = 0;
- pos = 0;
- symdir=1;
- dir =rq->dir_i_;
+ return Molecule ();
}
-void
-Script::set_symdir()
+MAKE_SCHEME_CALLBACK (Script,before_line_breaking,1);
+SCM
+Script::before_line_breaking (SCM smob)
{
- if (specs_l_->invertsym)
- symdir = (dir < 0) ? -1:1;
-}
+ Grob * me = unsmob_grob (smob);
-void
-Script::set_default_dir()
-{
- if (specs_l_->stemdir) {
- if (!stem_l_)
- dir = 1;
- else
- dir = stem_l_->dir * specs_l_->stemdir;
+ Direction d = Side_position_interface::get_direction (me);
+
+ if (!d)
+ {
+ /*
+ we should not have `arbitrary' directions.
+ */
+ programming_error ("Script direction not yet known!");
+ d = DOWN;
}
-}
+
+ Side_position_interface::set_direction (me,d);
-Interval
-Script::support_height() const return r;
-{
- for (int i=0; i < support.size(); i++)
- r.unite(support[i]->height());
+ return SCM_UNSPECIFIED;
}
-void
-Script::set_default_index()
-{
- Real inter_f= paper()->internote();
- Interval dy = symbol().dim.y;
-
- int d = specs_l_->staffdir;
- Real y ;
- if (!d) {
- Interval v= support_height();
- y = v[dir] -dy[-dir] + 2*dir*inter_f;
- } else {
- y = (d > 0) ? staffsize + 2: -2; // ug
- y *=inter_f;
- Interval v= support_height();
- if (d > 0) {
- y = y >? v.max();
- } else if (d < 0) {
- y = y <? v.min();
- }
- }
-
- if (stem_l_) {
- Interval v= stem_l_->height();
+MAKE_SCHEME_CALLBACK (Script,brew_molecule,1);
- if (d > 0 || (!d && dir > 0)) {
- y = y >? v.max();
- }else if (d < 0 || (!d && dir < 0)) {
- y = y <? v.min();
- }
- }
-
- pos = int(rint(Real(y)/inter_f));
-}
-
-Interval
-Script::width() const
+SCM
+Script::brew_molecule (SCM smob)
{
- return symbol().dim.x;
-}
+ Grob *me= unsmob_grob (smob);
-Symbol
-Script::symbol()const
-{
- String preidx_str = (symdir < 0) ?"-" :"";
- return paper()->lookup_l()->script(preidx_str + specs_l_->symidx);
+ Direction dir = Side_position_interface::get_direction (me);
+ if (!dir)
+ {
+ programming_error ("Script direction not known, but molecule wanted.");
+ dir= DOWN;
+ }
+
+ return get_molecule (me, dir).smobbed_copy ();
}
-void
-Script::do_pre_processing()
+bool
+Script::has_interface (Grob*me)
{
- set_default_dir();
- set_symdir();
+ return me->has_interface (ly_symbol2scm ("script-interface"));
}
void
-Script::do_post_processing()
+Script::set_interface (Grob*me)
{
- set_default_index();
+ return me->set_interface (ly_symbol2scm ("script-interface"));
}
-Molecule*
-Script::brew_molecule_p() const
-{
- Real dy = paper()->internote();
-
- Molecule*out = new Molecule(Atom(symbol()));
- out->translate(Offset(0,dy * pos));
- return out;
-}
-IMPLEMENT_STATIC_NAME(Script);