/*
- script.cc -- implement Script
+ script.cc -- implement Script_interface
source file of the GNU LilyPond music typesetter
- (c) 1999--2000 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 "item.hh"
+#include "molecule.hh"
+#include "lookup.hh"
+#include "stem.hh"
+#include "note-column.hh"
Molecule
-Script::get_molecule(Score_element * me, Direction d)
+Script_interface::get_molecule (Grob * me, Direction d)
{
- SCM s = me->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 me->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 me->lookup_l ()->accordion (gh_cdr (s), me->paper_l()->get_var("staffspace"));
+ return Lookup::accordion (ly_cdr (s), 1.0, Font_interface::get_default_font (me));
}
else
assert (false);
return Molecule ();
}
-MAKE_SCHEME_CALLBACK(Script,after_line_breaking,1);
+MAKE_SCHEME_CALLBACK (Script_interface,before_line_breaking,1);
SCM
-Script::after_line_breaking (SCM smob)
+Script_interface::before_line_breaking (SCM smob)
{
- Score_element * me = unsmob_element (smob);
+ Grob * me = unsmob_grob (smob);
- Direction d = Side_position::get_direction (me);
- Side_position::set_direction (me,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;
}
-MAKE_SCHEME_CALLBACK(Script,brew_molecule,1);
+
+MAKE_SCHEME_CALLBACK (Script_interface,brew_molecule,1);
SCM
-Script::brew_molecule (SCM smob)
+Script_interface::brew_molecule (SCM smob)
{
- Score_element *me= unsmob_element (smob);
-// Direction dir = DOWN;
-// SCM d = me->get_elt_property ("direction");
-// if (isdir_b (d))
-// dir = to_dir (d);
- Direction dir = Side_position::get_direction(me);
- return get_molecule (me, dir).create_scheme();
+ 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 (me, dir).smobbed_copy ();
}
-bool
-Script::has_interface (Score_element*me)
+
+
+struct Text_script
{
- return me->has_interface (ly_symbol2scm ("script-interface"));
-}
+ static bool has_interface (Grob*);
+};
-void
-Script::set_interface (Score_element*me)
+struct Skript
{
- return me->set_interface (ly_symbol2scm ("script-interface"));
-}
+ 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");
+