release: 1.3.19

[lilypond.git] / lily / bar.cc

diff --git a/lily/bar.cc b/lily/bar.cc
index 2342d227b256bbbd223e9a4a93f8c6b103c4d709..cfbecaa64551ebcf169542d0fe75aa07a2118dfe 100644 (file)
--- a/lily/bar.cc
+++ b/lily/bar.cc
@@ -3,9 +3,10 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+  (c)  1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
 */
 
+#include "dimension-cache.hh"
 #include "bar.hh"
 #include "string.hh"
 #include "molecule.hh"
@@ -13,59 +14,66 @@
 #include "lookup.hh"
 #include "debug.hh"
 
-Bar::Bar()
+
+Bar::Bar ()
 {
-    breakable_b_ = true;
-    type_str_ = "|";
-    spanned_i_ = 0;
+  set_elt_property ("breakable", SCM_BOOL_T);
 }
 
 
-
-IMPLEMENT_IS_TYPE_B1(Bar,Item);
-
-void
-Bar::do_print()const
+Real
+Bar::get_bar_size () const
 {
-    mtor << type_str_;
+  // Never called!
+  return 0;
 }
 
+
 Molecule*
-Bar::brew_molecule_p()const
-{    
-    Paper_def *p = paper();
-    Symbol s = p->lookup_l()->bar( type_str_, 
-                                  p->get_var("bar_size") );
-    Molecule*output = new Molecule(Atom(s));
-    return output;
+Bar::do_brew_molecule_p () const
+{
+  String s = ly_scm2string (get_elt_property ("glyph"));
+  Molecule *output
+    = new Molecule (lookup_l ()->bar (s, get_bar_size (), paper_l ()));
+  
+  return output;
 }
 
-/**
-  Prescriptions for splitting bars.
-  TODO: parametrise this (input-settable)
- */
-static char const *bar_breaks[][3] ={
-    {":|", ":|:", "|:"},
-    {"|", "|", ""},
-    {"", "|:", "|:"},
-    {"||.", "||.", ""},
-    {":|", ":|", ""},
-    {0,0,0}
-};
+
 
 void
-Bar::do_pre_processing()
+Bar::do_pre_processing ()
 {
-    for (int i=0; bar_breaks[i][0]; i++) {
-       if (bar_breaks[i][1] == type_str_)
-           type_str_ = bar_breaks[i][break_status_i()+1];
+  SCM g = get_elt_property ("glyph");
+  SCM breakdir = gh_int2scm (break_status_dir ());
+  
+  if (gh_string_p (g))
+    {
+      g = scm_eval (gh_list (ly_symbol2scm ("break-barline"),
+                            g,
+                            breakdir,
+                            SCM_UNDEFINED));
+    }
+  else
+    {
+      g = SCM_UNDEFINED;
+    }
+  
+#if 0  
+  if (remove_elt_property ("at-line-start") == SCM_BOOL_T      // UGR.
+      && (break_status_dir () == RIGHT) && (type_str_ == ""))
+    {
+      type_str_ = "|";
     }
+#endif
   
-    /*
-      span_score_bar needs dims, so don't do
-    
-      transparent_b_ = empty_b_ = (type_str_ == "");
-      
-      */
+  if (!gh_string_p (g))
+    {
+      set_elt_property ("transparent", SCM_BOOL_T);
+      set_empty (X_AXIS);      
+    }
+  else
+    set_elt_property ("glyph", g);
 }
-    
+  
+