2003 -> 2004

[lilypond.git] / lily / chord-name.cc

diff --git a/lily/chord-name.cc b/lily/chord-name.cc
index 052a5b99dddd520ed9bc5292ef1d82d730fa236b..cfb21d18e963817ab86b7c834b151948690771cc 100644 (file)
--- a/lily/chord-name.cc
+++ b/lily/chord-name.cc
@@ -3,160 +3,38 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c)  1999--2000 Jan Nieuwenhuizen <janneke@gnu.org>
+  (c) 1999--2004 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 "font-interface.hh"
+#include "grob.hh"
+#include "paper-column.hh"
+#include "system.hh"
 #include "staff-symbol-referencer.hh"
+#include "text-item.hh"
 
-
-/*
-  TODO: move text lookup out of Chord_name
- */
-
-/*
-  word is roman text or property-styled text:
-   "text"
-   ("text" . property-alist)
- */
-
-Molecule
-Chord_name::ly_word2molecule (SCM word, Real* x) const
+MAKE_SCHEME_CALLBACK (Chord_name,after_line_breaking,1);
+SCM
+Chord_name::after_line_breaking (SCM smob)
 {
-  *x = 0;
-
-  SCM options = SCM_EOL;
-  if (gh_pair_p (word))
+  Item* me = unsmob_item (smob);
+  assert (me);
+    
+  SCM s = me->get_grob_property ("begin-of-line-visible");
+  if (to_boolean (s))
     {
-      options = gh_cdr (word);
-      word = gh_car (word);
-    }
-
-  if (gh_string_p (word))
-    {
-      /*
-       UGH. Should read from font metric structure.
-      */
-      Real ex = lookup_l ()->text ("", "x",
-                                  paper_l ()).extent (Y_AXIS).length ();
-      Real em = lookup_l ()->text ("", "m",
-                                  paper_l ()).extent (X_AXIS).length ();
-
-      String w = ly_scm2string (word);
-
-      String style;
-      SCM s = scm_assoc (ly_symbol2scm ("style"), options);
-      if (s != SCM_BOOL_F)
-       {
-         style = ly_scm2string (gh_cdr (s));
-       }
-
-      Offset offset;
-      int size = 0;
-      /*
-       urg, `type'
-      */
-      s = scm_assoc (ly_symbol2scm ("type"), options);
-      if (s != SCM_BOOL_F && ly_scm2string (gh_cdr (s)) == "super")
-       {
-         Real super_y = ex / 2;
-         offset = Offset (0, super_y);
-         if (!size)
-           size = -2;
-       }
-
-      s = scm_assoc (ly_symbol2scm ("size"), options);
-      if (s != SCM_BOOL_F)
-       {
-         size = gh_scm2int (gh_cdr (s));
-       }
-
-      s = scm_assoc (ly_symbol2scm ("offset"), options);
-      if (s != SCM_BOOL_F)
-       {
-         // hmm
-         SCM o = gh_cdr (s);
-         if (gh_pair_p (o))
-           offset = Offset (0, gh_scm2double (gh_cdr (o))) * ex;
-         *x = gh_scm2double (gh_car (o)) * em;
-       }
-
-      Molecule mol;
-      s = scm_assoc (ly_symbol2scm ("font"), options);
-      if (s != SCM_BOOL_F && ly_scm2string (gh_cdr (s)) == "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;
+      if (Paper_column::get_rank (me->get_column ()) -
+         me->get_system ()->spanned_rank_iv ()[LEFT] > 1)
+       me->suicide ();
     }
-  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))
-    {
-      while (gh_cdr (text) != SCM_EOL)
-        {
-         Real x;
-         Molecule m = ly_word2molecule (gh_car (text), &x);
-         if (!m.empty_b ())
-           mol.add_at_edge (X_AXIS, RIGHT, m, x);
-         text = gh_cdr (text);
-       }
-      text = gh_car (text);
-    }  
-  Real x;
-  Molecule m = ly_word2molecule (text, &x);
-  if (!m.empty_b ())
-    mol.add_at_edge (X_AXIS, RIGHT, m, x);
-  return mol;
+  return SCM_UNSPECIFIED;
 }
 
-MAKE_SCHEME_SCORE_ELEMENT_CALLBACKS(Chord_name);
-
-Molecule 
-Chord_name::do_brew_molecule () const
-{
-  SCM style = get_elt_property ("style");
-  if (style == SCM_UNDEFINED)
-    style = ly_str02scm ("banter");
 
-  SCM inversion = get_elt_property ("inversion");
-  if (inversion == SCM_UNDEFINED)
-    inversion = SCM_BOOL_F;
+ADD_INTERFACE (Chord_name, "chord-name-interface",
+  "generate a chord name",
+  "pitches chord style inversion bass begin-of-line-visible");
 
-  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);
-}
-
-Chord_name::Chord_name (SCM s)
-  : Item (s)
-{
-}