-/*
- script.cc -- implement Script
-
+/*
+ script.cc -- implement Script_interface
+
source file of the GNU LilyPond music typesetter
+
+ (c) 1999--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+
+ */
- (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
-*/
-#include "script-def.hh"
-#include "musical-request.hh"
-#include "paper-def.hh"
+#include "directional-element-interface.hh"
+#include "warn.hh"
#include "script.hh"
-#include "stem.hh"
-#include "molecule.hh"
+#include "font-interface.hh"
+#include "side-position-interface.hh"
+#include "paper-def.hh"
+#include "item.hh"
+#include "stencil.hh"
#include "lookup.hh"
+#include "stem.hh"
+#include "note-column.hh"
-void
-Script::do_print() const
+Stencil
+Script_interface::get_stencil (Grob * me, Direction d)
{
-#ifndef NPRINT
- specs_l_->print();
-#endif
-}
+ SCM s = me->get_grob_property ("script-stencil");
+ assert (gh_pair_p (s));
-void
-Script::do_substitute_dependency(Score_elem*o,Score_elem*n)
-{
- Staff_side::do_substitute_dependency(o,n);
- if (o == stem_l_) {
- stem_l_ = n ? (Stem*)n->item() : 0;
+ SCM key = ly_car (s);
+ if (key == ly_symbol2scm ("feta"))
+ {
+ SCM name_entry = ly_cdr (s);
+
+ SCM str = (gh_pair_p (name_entry)) ? index_get_cell (name_entry, d) : name_entry;
+ return Font_interface::get_default_font (me)->find_by_name ("scripts-" +
+ ly_scm2string (str));
}
-}
+ else if (key == ly_symbol2scm ("accordion"))
+ {
+ return Lookup::accordion (ly_cdr (s), 1.0, Font_interface::get_default_font (me));
+ }
+ else
+ assert (false);
-void
-Script::set_stem(Stem*st_l)
-{
- stem_l_ = st_l;
- add_support(st_l);
+ return Stencil ();
}
+MAKE_SCHEME_CALLBACK (Script_interface,before_line_breaking,1);
+SCM
+Script_interface::before_line_breaking (SCM smob)
+{
+ Grob * me = unsmob_grob (smob);
-Script::Script()
-{
- specs_l_ = 0;
- inside_staff_b_ = false;
- stem_l_ = 0;
- dir_i_ = 0;
-}
+ Direction d = Side_position_interface::get_direction (me);
-void
-Script::set_default_dir()
-{
- int s_i=specs_l_->rel_stem_dir_i();
- if (s_i) {
- if(stem_l_)
- dir_i_ = stem_l_->dir_i_ * s_i;
- else{
- specs_l_->warning("Script needs stem direction");
- dir_i_ = -1;
+ if (!d)
+ {
+ /*
+ we should not have `arbitrary' directions.
+ */
+ programming_error ("Script direction not yet known!");
+ d = DOWN;
+ }
+
+ set_grob_direction (me, d);
+
+ if (Grob * par = me->get_parent (X_AXIS))
+ {
+ Grob * stem = Note_column::get_stem (par);
+ if (stem && Stem::first_head (stem))
+ {
+ me->set_parent (Stem::first_head (stem), X_AXIS);
}
- } else {
- dir_i_ =specs_l_->staff_dir_i();
}
- assert(dir_i_);
+
+ return SCM_UNSPECIFIED;
}
-Interval
-Script::do_width() const
-{
- return specs_l_->get_atom(paper(), dir_i_).extent().x();
-}
+MAKE_SCHEME_CALLBACK (Script_interface,print,1);
-void
-Script::do_pre_processing()
+SCM
+Script_interface::print (SCM smob)
{
- if (breakable_b_ && break_status_i() != 1) {
- transparent_b_ = empty_b_ = true;
+ Grob *me= unsmob_grob (smob);
+
+ Direction dir = Side_position_interface::get_direction (me);
+ if (!dir)
+ {
+ programming_error ("Script direction not known, but stencil wanted.");
+ dir= DOWN;
}
-
- if (!dir_i_)
- set_default_dir();
- inside_staff_b_ = specs_l_->inside_b();
+
+ return get_stencil (me, dir).smobbed_copy ();
}
-Interval
-Script::symbol_height()const
+
+
+struct Text_script
{
- return specs_l_->get_atom(paper(), dir_i_).extent().y();
-}
+ static bool has_interface (Grob*);
+};
-Molecule*
-Script::brew_molecule_p() const
+struct Skript
{
- Real dy = paper()->internote_f();
-
- Molecule*out = new Molecule(specs_l_->get_atom(paper(), dir_i_));
- out->translate(dy * pos_i_, Y_AXIS);
- return out;
-}
+ static bool has_interface (Grob*);
+};
+ADD_INTERFACE (Text_script,"text-script-interface",
+ "Any text script",
+ "script-priority");
-IMPLEMENT_IS_TYPE_B2(Script,Item,Staff_side);
+ADD_INTERFACE (Script_interface, "script-interface",
+ "",
+ "script-priority script-stencil");
-int
-Script::compare(Script *const&l1, Script *const&l2)
-{
- return l1->specs_l_->priority_i() - l2->specs_l_->priority_i();
-}
-