2 script-interface.cc -- implement Script_interface
4 source file of the GNU LilyPond music typesetter
6 (c) 1999--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
9 #include "directional-element-interface.hh"
11 #include "script-interface.hh"
12 #include "font-interface.hh"
13 #include "side-position-interface.hh"
14 #include "output-def.hh"
17 #include "note-column.hh"
20 Script_interface::get_stencil (Grob *me, Direction d)
22 SCM s = me->get_property ("script-stencil");
23 assert (scm_is_pair (s));
25 SCM key = scm_car (s);
26 if (key == ly_symbol2scm ("feta"))
28 SCM name_entry = scm_cdr (s);
29 SCM str = ((scm_is_pair (name_entry)) ? index_get_cell (name_entry, d)
31 return Font_interface::get_default_font (me)
32 ->find_by_name ("scripts." + ly_scm2string (str));
34 else if (key == ly_symbol2scm ("accordion"))
35 return Lookup::accordion (scm_cdr (s), 1.0,
36 Font_interface::get_default_font (me));
43 MAKE_SCHEME_CALLBACK (Script_interface, before_line_breaking, 1);
45 Script_interface::before_line_breaking (SCM smob)
47 Grob *me = unsmob_grob (smob);
49 Direction d = Side_position_interface::get_direction (me);
53 /* FIXME: This should never happen: `arbitrary' directions. */
54 programming_error ("script direction not yet known");
58 set_grob_direction (me, d);
60 if (Grob *par = me->get_parent (X_AXIS))
62 Grob *stem = Note_column::get_stem (par);
63 if (stem && Stem::first_head (stem))
64 me->set_parent (Stem::first_head (stem), X_AXIS);
66 return SCM_UNSPECIFIED;
69 MAKE_SCHEME_CALLBACK (Script_interface, print, 1);
72 Script_interface::print (SCM smob)
74 Grob *me = unsmob_grob (smob);
76 Direction dir = Side_position_interface::get_direction (me);
79 programming_error ("script direction unknown, but stencil wanted");
82 return get_stencil (me, dir).smobbed_copy ();
87 static bool has_interface (Grob *);
90 ADD_INTERFACE (Text_script, "text-script-interface",
91 "An object that is put above or below a note",
92 "add-stem-support slur script-priority inside-slur");
95 Hmm. Where should we put add-stem-support ?
97 ADD_INTERFACE (Script_interface, "script-interface",
98 "An object that is put above or below a note",
99 "add-stem-support slur-padding slur script-priority script-stencil inside-slur");