2 script-interface.cc -- implement Script_interface
4 source file of the GNU LilyPond music typesetter
6 (c) 1999--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
10 #include "directional-element-interface.hh"
12 #include "script-interface.hh"
13 #include "font-interface.hh"
14 #include "side-position-interface.hh"
15 #include "output-def.hh"
20 #include "note-column.hh"
23 Script_interface::get_stencil (Grob *me, Direction d)
25 SCM s = me->get_property ("script-stencil");
26 assert (ly_c_pair_p (s));
29 if (key == ly_symbol2scm ("feta"))
31 SCM name_entry = ly_cdr (s);
32 SCM str = ((ly_c_pair_p (name_entry)) ? index_get_cell (name_entry, d)
34 return Font_interface::get_default_font (me)
35 ->find_by_name ("scripts-" + ly_scm2string (str));
37 else if (key == ly_symbol2scm ("accordion"))
38 return Lookup::accordion (ly_cdr (s), 1.0,
39 Font_interface::get_default_font (me));
46 MAKE_SCHEME_CALLBACK (Script_interface, before_line_breaking, 1);
48 Script_interface::before_line_breaking (SCM smob)
50 Grob *me = unsmob_grob (smob);
52 Direction d = Side_position_interface::get_direction (me);
56 /* FIXME: This should never happen: `arbitrary' directions. */
57 programming_error ("Script direction not yet known!");
61 set_grob_direction (me, d);
63 if (Grob *par = me->get_parent (X_AXIS))
65 Grob *stem = Note_column::get_stem (par);
66 if (stem && Stem::first_head (stem))
67 me->set_parent (Stem::first_head (stem), X_AXIS);
69 return SCM_UNSPECIFIED;
72 MAKE_SCHEME_CALLBACK (Script_interface, print, 1);
75 Script_interface::print (SCM smob)
77 Grob *me= unsmob_grob (smob);
79 Direction dir = Side_position_interface::get_direction (me);
82 programming_error ("Script direction not known, but stencil wanted.");
85 return get_stencil (me, dir).smobbed_copy ();
90 static bool has_interface (Grob*);
93 ADD_INTERFACE (Text_script,"text-script-interface",
94 "An object that is put above or below a note",
97 ADD_INTERFACE (Script_interface, "script-interface",
98 "An object that is put above or below a note",
99 "script-priority script-stencil");