/*
- script.cc -- implement Script
+ script.cc -- implement Script_interface
source file of the GNU LilyPond music typesetter
- (c) 1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1999--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-#include "debug.hh"
+#include "directional-element-interface.hh"
+#include "warn.hh"
#include "script.hh"
-#include "lookup.hh"
+#include "font-interface.hh"
#include "side-position-interface.hh"
#include "paper-def.hh"
-#include "dimension-cache.hh"
-
+#include "item.hh"
+#include "molecule.hh"
+#include "lookup.hh"
+#include "stem.hh"
+#include "note-column.hh"
Molecule
-Script::get_molecule(Direction d) const
+Script_interface::get_molecule (Grob * me, Direction d)
{
- SCM s = get_elt_property ("molecule");
+ SCM s = me->get_grob_property ("script-molecule");
assert (gh_pair_p (s));
- SCM key = gh_car (s);
+ SCM key = ly_car (s);
if (key == ly_symbol2scm ("feta"))
{
- return lookup_l ()->afm_find ("scripts-" +
- ly_scm2string (index_cell (gh_cdr (s), d)));
+ 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"))
+ else if (key == ly_symbol2scm ("accordion"))
{
- return lookup_l ()->accordion (s, paper_l()->get_var("interline"));
+ return Lookup::accordion (ly_cdr (s), 1.0, Font_interface::get_default_font (me));
}
-
- else assert (false);
+ else
+ assert (false);
return Molecule ();
}
-
-void
-Script::before_line_breaking ()
+MAKE_SCHEME_CALLBACK (Script_interface,before_line_breaking,1);
+SCM
+Script_interface::before_line_breaking (SCM smob)
{
- /*
- center my self on the note head.
- */
- Score_element * e = parent_l(X_AXIS);
- translate_axis (e->extent (X_AXIS).center (), X_AXIS);
-}
+ Grob * me = unsmob_grob (smob);
-void
-Script::after_line_breaking ()
-{
- Side_position_interface i (this);
- Direction d = i.get_direction ();
- i.set_direction (d);
+ 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;
+ }
+
+ 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);
+ }
+ }
+
+ return SCM_UNSPECIFIED;
}
-Molecule
-Script::do_brew_molecule () const
+
+MAKE_SCHEME_CALLBACK (Script_interface,brew_molecule,1);
+
+SCM
+Script_interface::brew_molecule (SCM smob)
{
- Direction dir = DOWN;
- SCM d = get_elt_property ("direction");
- if (isdir_b (d))
- dir = to_dir (d);
+ Grob *me= unsmob_grob (smob);
+
+ Direction dir = Side_position_interface::get_direction (me);
+ if (!dir)
+ {
+ programming_error ("Script direction not known, but molecule wanted.");
+ dir= DOWN;
+ }
- return get_molecule (dir);
+ return get_molecule (me, dir).smobbed_copy ();
}
+struct Text_script
+{
+ static bool has_interface (Grob*);
+};
+
+struct Skript
+{
+ static bool has_interface (Grob*);
+};
+
+ADD_INTERFACE (Text_script,"text-script-interface",
+ "Any text script",
+ "script-priority");
+
+ADD_INTERFACE (Script_interface, "script-interface",
+ "",
+ "script-priority script-molecule");
+