release: 1.5.29

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

diff --git a/lily/clef-item.cc b/lily/clef-item.cc
index 2e6564003980975521a89b4afeade0449d0915b8..b1cde0874f7693228643c2e26d565469804e2ed7 100644 (file)
--- a/lily/clef-item.cc
+++ b/lily/clef-item.cc
@@ -3,79 +3,73 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c)  1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c)  1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
 */
 
-#include <ctype.h>
-#include "clef-item.hh"
+
+#include "clef.hh"
 #include "string.hh"
 #include "molecule.hh"
-#include "paper-def.hh"
-#include "lookup.hh"
-#include "g-text-item.hh"
-#include "p-score.hh"
-
-void
-Clef_item::do_pre_processing()
-{
-  dim_cache_[Y_AXIS].translate (y_position_i_ * staff_line_leading_f () / 2.0);
-  SCM style_sym =get_elt_property (style_scm_sym);
-  String style;
-  if (style_sym != SCM_BOOL_F)
-    style = ly_scm2string (SCM_CDR(style_sym));
-  
-  if (break_status_dir() != RIGHT && style != "fullSizeChanges")
-    symbol_ += "_change";
-  if (style == "transparent")
-    set_elt_property (transparent_scm_sym, SCM_BOOL_T);
-}
+#include "item.hh"
+#include "font-interface.hh"
 
 /*
-  FIXME
+ FIXME: should use symbol for #'style.
 */
-Clef_item::Clef_item()
+MAKE_SCHEME_CALLBACK (Clef,before_line_breaking,1);
+SCM
+Clef::before_line_breaking (SCM smob)
 {
-  set_elt_property (breakable_scm_sym, SCM_BOOL_T);
+  Item * s = unsmob_item (smob);
 
-  symbol_ = "treble";
-  y_position_i_ = -2;
-}
-
-void
-Clef_item::do_add_processing ()
-{
-  if (!break_status_dir ())    // broken stuff takes care of their own texts
+  SCM glyph = s->get_grob_property ("glyph-name");
+  
+  if (gh_string_p (glyph))
     {
-      G_text_item *g =0;
+      String str = ly_scm2string (glyph);
 
-      SCM octave_dir = remove_elt_property (octave_dir_scm_sym);
-      if (octave_dir != SCM_BOOL_F)
+      if (to_boolean (s->get_grob_property ("non-default"))
+         && s->break_status_dir () != RIGHT
+         && !to_boolean (s->get_grob_property ("full-size-change")))
        {
-         Direction d = Direction (gh_scm2int (SCM_CDR(octave_dir)));
-         g = new G_text_item;
-         pscore_l_->typeset_element (g);
-      
-         g->text_str_ = "8";
-         g->style_str_ = "italic";
-         g->dim_cache_[Y_AXIS].parent_l_ = &dim_cache_[Y_AXIS];
-         g->dim_cache_[X_AXIS].parent_l_ = &dim_cache_[X_AXIS];
-         add_dependency (g);   // just to be sure.
-
-         Real r = do_height ()[d] + g->extent (Y_AXIS)[-d];
-         g->dim_cache_[Y_AXIS].set_offset (r);
-         g->set_elt_property (visibility_lambda_scm_sym,
-                              get_elt_property (visibility_lambda_scm_sym));
+         str += "_change";
+         s->set_grob_property ("glyph-name", ly_str02scm (str.ch_C ()));         
        }
-
     }
+  else
+    {
+      s->suicide ();
+      return SCM_UNSPECIFIED;
+    }
+
+  return SCM_UNSPECIFIED;
 }
 
-Molecule*
-Clef_item::do_brew_molecule_p() const
+bool
+Clef::has_interface (Grob* me)
 {
-  Molecule*output = new Molecule (lookup_l ()->clef (symbol_));
-  return output;
+  return me->has_interface (ly_symbol2scm ("clef-interface"));
 }
 
 
+void
+Clef::set_interface (Grob* me)
+{
+  me->set_interface (ly_symbol2scm ("clef-interface"));
+}
 
+MAKE_SCHEME_CALLBACK (Clef,brew_molecule,1)
+SCM
+Clef::brew_molecule (SCM smob) 
+{
+  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;
+    }
+}