release: 1.3.142

[lilypond.git] / lily / clef-item.cc

diff --git a/lily/clef-item.cc b/lily/clef-item.cc
index 920d2c5512fda8c06d55f21e120f2fb036416fc9..d7c323ee609b38d463ecbc5e6de38aa6394c2eee 100644 (file)
--- a/lily/clef-item.cc
+++ b/lily/clef-item.cc
@@ -3,67 +3,73 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+  (c)  1997--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
 */
 
-#include "clef-item.hh"
+
+#include "clef.hh"
 #include "string.hh"
 #include "molecule.hh"
-#include "paper-def.hh"
-#include "lookup.hh"
-#include "clef-grav.hh"
-
+#include "item.hh"
+#include "font-interface.hh"
 
-void
-Clef_item::do_pre_processing()
+/*
+ FIXME: should use symbol for #'style.
+*/
+MAKE_SCHEME_CALLBACK (Clef,before_line_breaking,1);
+SCM
+Clef::before_line_breaking (SCM smob)
 {
-  change_b_ = ! (break_status_i() == 1);
+  Item * s = dynamic_cast<Item*> (unsmob_grob (smob));
 
-  if (default_b_)
+  SCM glyph = s->get_grob_property ("glyph-name");
+  
+  if (gh_string_p (glyph))
     {
-      set_empty(break_status_i() != 1);
-      transparent_b_ = (break_status_i() != 1);
+      String str = ly_scm2string (glyph);
+
+      if (to_boolean (s->get_grob_property ("non-default"))
+         && s->break_status_dir () != RIGHT
+         && !to_boolean (s->get_grob_property ("full-size-change")))
+       {
+         str += "_change";
+         s->set_grob_property ("glyph-name", ly_str02scm (str.ch_C ()));         
+       }
+    }
+  else
+    {
+      s->suicide ();
+      return SCM_UNSPECIFIED;
     }
-}
 
-Clef_item::Clef_item()
-{
-  breakable_b_ =true;
-  default_b_ = false;
-  change_b_ = true;
-  read ("violin");
+  return SCM_UNSPECIFIED;
 }
 
-void
-Clef_item::read (String t)
+bool
+Clef::has_interface (Grob* me)
 {
-  type_= t;
-  if (type_ == "violin")
-    y_off = 2;
-  if (type_ == "alto")
-    y_off = 4;
-  if (type_ == "tenor")
-    y_off = 6;
-  if (type_ == "bass")
-    y_off = 6;
+  return me->has_interface (ly_symbol2scm ("clef-interface"));
 }
+
+
 void
-Clef_item::read (Clef_engraver const &k)
+Clef::set_interface (Grob* me)
 {
-  read (k.clef_type_str_);
+  me->set_interface (ly_symbol2scm ("clef-interface"));
 }
 
-Molecule*
-Clef_item::brew_molecule_p() const
+MAKE_SCHEME_CALLBACK (Clef,brew_molecule,1)
+SCM
+Clef::brew_molecule (SCM smob) 
 {
-  String t = type_;
-  if  (change_b_)
-    t += "_change";
-  Symbol s = paper()->lookup_l ()->clef (t);
-  Molecule*output = new Molecule (Atom (s));
-  output->translate (paper()->internote_f () * y_off, Y_AXIS);
-  return output;
+  Grob * sc = unsmob_grob (smob);
+  SCM glyph = sc->get_grob_property ("glyph-name");
+  if (gh_string_p (glyph))
+    {
+      return Font_interface::get_default_font (sc)->find_by_name (String (ly_scm2string (glyph))).smobbed_copy ();
+    }
+  else
+    {
+      return SCM_EOL;
+    }
 }
-
-
-IMPLEMENT_IS_TYPE_B1(Clef_item,Item);