Run `make grand-replace'.

[lilypond.git] / lily / accidental.cc

diff --git a/lily/accidental.cc b/lily/accidental.cc
index 3bfd1b816d1e91f15f7257979381efde7df3c53d..1c2418500d750319a1ca67a76f21503c867f7bd5 100644 (file)
--- a/lily/accidental.cc
+++ b/lily/accidental.cc
@@ -3,7 +3,7 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 2001--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  (c) 2001--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
 */
 
 #include "accidental-interface.hh"
@@ -31,14 +31,30 @@ parenthesize (Grob *me, Stencil m)
   return m;
 }
 
+/* If this gets called before line breaking, we will return a non-trivial
+   extent even if we belong to a tie and won't actually get printed. */
+static SCM
+get_extent (Grob *me, Axis a)
+{
+  Stencil *s = unsmob_stencil (Accidental_interface::get_stencil (me));
+
+  if (s)
+    return ly_interval2scm (s->extent (a));
+  return ly_interval2scm (Interval ());
+}
 
-/* This callback exists for the sole purpose of allowing us to override
-   its pure equivalent to accidental-interface::pure-height */
 MAKE_SCHEME_CALLBACK (Accidental_interface, height, 1);
 SCM
 Accidental_interface::height (SCM smob)
 {
-  return Grob::stencil_height (smob);
+  return get_extent (unsmob_grob (smob), Y_AXIS);
+}
+
+MAKE_SCHEME_CALLBACK (Accidental_interface, width, 1);
+SCM
+Accidental_interface::width (SCM smob)
+{
+  return get_extent (unsmob_grob (smob), X_AXIS);
 }
 
 MAKE_SCHEME_CALLBACK (Accidental_interface, pure_height, 3);
@@ -49,11 +65,16 @@ Accidental_interface::pure_height (SCM smob, SCM start_scm, SCM)
   int start = scm_to_int (start_scm);
   int rank = me->get_column ()->get_rank ();
 
-  bool visible = to_boolean (me->get_property ("forced"))
-    || !unsmob_grob (me->get_object ("tie"))
-    || rank != start + 1; /* we are in the middle of a line */
+  if (to_boolean (me->get_property ("forced"))
+      || !unsmob_grob (me->get_object ("tie"))
+      || rank == start + 1) /* we are at the start of a line */
+    {
+      Stencil *s = unsmob_stencil (get_stencil (me));
+      if (s)
+       return ly_interval2scm (s->extent (Y_AXIS));
+    }
 
-  return visible ? Grob::stencil_height (smob) : ly_interval2scm (Interval ());
+  return ly_interval2scm (Interval ());
 }
 
 vector<Box>
@@ -69,14 +90,16 @@ Accidental_interface::accurate_boxes (Grob *me, Grob **common)
   if (!me->is_live ())
     return boxes;
 
-  SCM scm_style = me->get_property ("style");
-  if (!scm_is_symbol (scm_style)
-      && !to_boolean (me->get_property ("restore-first"))
+  if (!to_boolean (me->get_property ("restore-first"))
       && !parens)
     {
-      Rational alteration
-       = robust_scm2rational (me->get_property ("alteration"), 0);
-      if (alteration == FLAT_ALTERATION)
+      SCM alist = me->get_property ("glyph-name-alist");
+      SCM alt = me->get_property ("alteration");
+      string glyph_name = robust_scm2string (ly_assoc_get (alt, alist, SCM_BOOL_F),
+                                            "");
+      
+      if (glyph_name == "accidentals.flat"
+         || glyph_name == "accidentals.mirroredflat")
        {
          Box stem = b;
          Box bulb = b;
@@ -85,7 +108,9 @@ Accidental_interface::accurate_boxes (Grob *me, Grob **common)
            we could make the stem thinner, but that places the flats
            really close.
          */
-         stem[X_AXIS][RIGHT] *= .5;
+         Direction bulb_dir =
+           glyph_name == "accidentals.mirroredflat" ? LEFT : RIGHT;
+         stem[X_AXIS][bulb_dir] = stem[X_AXIS].center ();
 
          /*
            To prevent vertical alignment for 6ths
@@ -96,7 +121,7 @@ Accidental_interface::accurate_boxes (Grob *me, Grob **common)
          boxes.push_back (bulb);
          boxes.push_back (stem);
        }
-      else if (alteration == NATURAL_ALTERATION)
+      else if (glyph_name ==  "accidentals.natural")
        {
          Box lstem = b;
          Box rstem = b;
@@ -144,7 +169,13 @@ Accidental_interface::print (SCM smob)
       me->suicide ();
       return SCM_EOL;
     }
-  
+
+  return get_stencil (me);
+}
+
+SCM
+Accidental_interface::get_stencil (Grob *me)
+{
   Font_metric *fm = Font_interface::get_default_font (me);
 
   SCM alist = me->get_property ("glyph-name-alist");
@@ -158,7 +189,7 @@ Accidental_interface::print (SCM smob)
       return SCM_EOL;
     }
   
-  Stencil mol (fm->find_by_name (scm_i_string_chars (glyph_name)));
+  Stencil mol (fm->find_by_name (ly_scm2string (glyph_name)));
   if (to_boolean (me->get_property ("restore-first")))
     {
       /*
@@ -181,9 +212,9 @@ Accidental_interface::print (SCM smob)
 
   
 ADD_INTERFACE (Accidental_interface,
-              "a single accidental",
+              "A single accidental.",
               
-              /* props */
+              /* properties */
               "alteration "
               "avoid-slur "
               "forced "