-/*
- 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 "font-interface.hh"
+#include "side-position-interface.hh"
+#include "paper-def.hh"
+#include "item.hh"
#include "molecule.hh"
#include "lookup.hh"
+#include "stem.hh"
+#include "note-column.hh"
-void
-Script::do_print() const
+Molecule
+Script_interface::get_molecule (Grob * me, Direction d)
{
-#ifndef NPRINT
- specs_l_->print();
-#endif
-}
+ SCM s = me->get_grob_property ("script-molecule");
+ 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_)
+ 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"))
{
- stem_l_ = n ? (Stem*)n->item() : 0;
+ return Lookup::accordion (ly_cdr (s), 1.0, Font_interface::get_default_font (me));
}
+ else
+ assert (false);
+
+ return Molecule ();
}
-void
-Script::set_stem (Stem*st_l)
+MAKE_SCHEME_CALLBACK (Script_interface,before_line_breaking,1);
+SCM
+Script_interface::before_line_breaking (SCM smob)
{
- stem_l_ = st_l;
- add_support (st_l);
-}
+ Grob * me = unsmob_grob (smob);
+ Direction d = Side_position_interface::get_direction (me);
-Script::Script()
-{
- specs_l_ = 0;
- inside_staff_b_ = false;
- stem_l_ = 0;
- dir_ = CENTER;
-}
+ if (!d)
+ {
+ /*
+ we should not have `arbitrary' directions.
+ */
+ programming_error ("Script direction not yet known!");
+ d = DOWN;
+ }
+
+ set_grob_direction (me, d);
-void
-Script::set_default_dir()
-{
- int s_i=specs_l_->rel_stem_dir();
- if (s_i)
+ if (Grob * par = me->get_parent (X_AXIS))
{
- if (stem_l_)
- dir_ = stem_l_->dir_ * s_i;
- else
+ Grob * stem = Note_column::get_stem (par);
+ if (stem && Stem::first_head (stem))
{
- specs_l_->warning (_("Script needs stem direction"));
- dir_ = DOWN;
+ me->set_parent (Stem::first_head (stem), X_AXIS);
}
}
- else
- {
- dir_ =specs_l_->staff_dir();
- }
- assert (dir_);
+
+ return SCM_UNSPECIFIED;
}
-Interval
-Script::do_width() const
-{
- return specs_l_->get_atom (paper(), dir_).extent ().x ();
-}
+MAKE_SCHEME_CALLBACK (Script_interface,brew_molecule,1);
-void
-Script::do_pre_processing()
+SCM
+Script_interface::brew_molecule (SCM smob)
{
- if (breakable_b_ && break_status_i() != 1)
+ Grob *me= unsmob_grob (smob);
+
+ Direction dir = Side_position_interface::get_direction (me);
+ if (!dir)
{
- transparent_b_ = true;
- set_empty (true);
+ programming_error ("Script direction not known, but molecule wanted.");
+ dir= DOWN;
}
-
- if (!dir_)
- set_default_dir();
+
+ return get_molecule (me, dir).smobbed_copy ();
}
-Interval
-Script::symbol_height() const
-{
- return specs_l_->get_atom (paper(), dir_).extent ().y ();
-}
-Molecule*
-Script::brew_molecule_p() const
+
+struct Text_script
{
- Real dx = paper()->note_width()/2;
+ static bool has_interface (Grob*);
+};
- Molecule*out = new Molecule (specs_l_->get_atom (paper(), dir_));
- out->translate_axis (y_, Y_AXIS);
- out->translate_axis (dx, X_AXIS); // FIXME! ugh
- return out;
-}
+struct Skript
+{
+ 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-molecule");
-int
-Script::compare (Script *const&l1, Script *const&l2)
-{
- return l1->specs_l_->priority_i() - l2->specs_l_->priority_i ();
-}