/*
- chord-name.cc -- implement Chord_name
+ chord-name.cc -- implement Chord_label
source file of the GNU LilyPond music typesetter
- (c) 1999--2000 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 1999--2009 Jan Nieuwenhuizen <janneke@gnu.org>
*/
#include "chord-name.hh"
-#include "musical-request.hh"
-#include "warn.hh"
-#include "debug.hh"
-#include "molecule.hh"
-#include "paper-def.hh"
-#include "lookup.hh"
-#include "staff-symbol-referencer.hh"
-
-/*
- TODO: move text lookup out of Chord_name
- */
+#include "output-def.hh"
+#include "font-interface.hh"
+#include "paper-column.hh"
+#include "system.hh"
+#include "staff-symbol-referencer.hh"
+#include "text-interface.hh"
-/*
- word is roman text or styled text:
- "text"
- ("style" . "text")
- */
-Molecule
-Chord_name::ly_word2molecule (SCM word) const
+MAKE_SCHEME_CALLBACK (Chord_name, after_line_breaking, 1);
+SCM
+Chord_name::after_line_breaking (SCM smob)
{
- Dictionary<SCM> option_dict;
- if (gh_pair_p (word))
- {
- SCM options = gh_cdr (word);
- word = gh_car (word);
- while (gh_pair_p (options))
- {
- SCM option = gh_car (options);
- if (option != SCM_UNDEFINED && option != SCM_BOOL_F
- && gh_pair_p (option))
- {
- SCM key = gh_car (option);
- SCM val = gh_cdr (option);
- String k;
- if (gh_symbol_p (key))
- k = ly_symbol2string (key);
- else if (gh_string_p (key))
- k = ly_scm2string (key);
- else
- continue;
- option_dict[k] = val;
- }
- options = gh_cdr (options);
- }
- }
- Real ex = lookup_l ()->text ("", "x", paper_l ()).extent
- ()[Y_AXIS].length ();
- if (gh_string_p (word))
- {
- String w = ly_scm2string (word);
- Molecule mol;
- Offset offset;
-
- int size = 0;
- if (option_dict.elem_b ("size"))
- size = gh_scm2int (option_dict["size"]);
+ Item *me = unsmob_item (smob);
+ assert (me);
- String style;
- if (option_dict.elem_b ("style"))
- style = ly_scm2string (option_dict["style"]);
-
- if (option_dict.elem_b ("type")
- && ly_scm2string (option_dict["type"]) == "super")
- {
- Real super_y = ex / 2;
- //super_y += -acc.extent ()[Y_AXIS][MIN];
- offset = Offset (0, super_y);
- if (!size)
- size = -2;
- }
- if (option_dict.elem_b ("offset"))
- {
- // hmm
- SCM s = option_dict["offset"];
- if (gh_pair_p (s))
- offset = Offset (gh_scm2double (gh_car (s)),
- gh_scm2double (gh_cdr (s))) * ex;
- }
- if (option_dict.elem_b ("font")
- && ly_scm2string (option_dict["font"]) == "feta")
- mol = paper_l ()->lookup_l (size)->afm_find (w);
- else
- mol = paper_l ()->lookup_l (size)->text (style, w, paper_l ());
-
- mol.translate (offset);
- return mol;
- }
- return Molecule ();
-}
-
-/*
- ;; text: list of word
- ;; word: string + optional list of property
- ;; property: align, kern, font (?), size
- */
-Molecule
-Chord_name::ly_text2molecule (SCM text) const
-{
- Molecule mol;
- if (gh_list_p (text))
+ SCM s = me->get_property ("begin-of-line-visible");
+ if (to_boolean (s))
{
- while (gh_cdr (text) != SCM_EOL)
- {
- Molecule m = ly_word2molecule (gh_car (text));
- if (!m.empty_b ())
- mol.add_at_edge (X_AXIS, RIGHT, m, 0);
- text = gh_cdr (text);
- }
- text = gh_car (text);
- }
- Molecule m = ly_word2molecule (text);
- if (!m.empty_b ())
- mol.add_at_edge (X_AXIS, RIGHT, m, 0);
- return mol;
+ if (me->get_column ()->get_rank ()
+ - me->get_system ()->spanned_rank_interval ()[LEFT] > 1)
+ me->suicide ();
+ }
+ return SCM_UNSPECIFIED;
}
-Molecule
-Chord_name::do_brew_molecule () const
-{
- SCM style = get_elt_property ("style");
- if (style == SCM_UNDEFINED)
- style = ly_str02scm ("banter");
+ADD_INTERFACE (Chord_name,
+ "A chord label (name or fretboard).",
- SCM inversion = get_elt_property ("inversion");
- if (inversion == SCM_UNDEFINED)
- inversion = SCM_BOOL_F;
-
- SCM bass = get_elt_property ("bass");
- if (bass == SCM_UNDEFINED)
- bass = SCM_BOOL_F;
-
- SCM pitches = get_elt_property ("pitches");
-
- SCM text = scm_eval (gh_list (ly_symbol2scm ("chord::user-name"),
- style,
- ly_quote_scm (pitches),
- ly_quote_scm (gh_cons (inversion, bass)),
- SCM_UNDEFINED));
-
- return ly_text2molecule (text);
-}
+ /* properties */
+ "begin-of-line-visible "
+ );