release: 1.3.44

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

diff --git a/lily/clef-item.cc b/lily/clef-item.cc
index eda65592b94e6c2944767b3b001a95a4c0d9b1c8..af14a41828c35d82ab9509bc4b608b1ec8e6d5fa 100644 (file)
--- a/lily/clef-item.cc
+++ b/lily/clef-item.cc
@@ -3,145 +3,91 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c)  1997--1998 Han-Wen Nienhuys <hanwen@stack.nl>
+  (c)  1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
 */
 
-#include <ctype.h>
+
 #include "clef-item.hh"
 #include "string.hh"
 #include "molecule.hh"
 #include "paper-def.hh"
 #include "lookup.hh"
-#include "clef-grav.hh"
-
+#include "text-item.hh"
+#include "paper-score.hh"
+#include "dimension-cache.hh"
+#include "side-position-interface.hh"
+#include "warn.hh"
+#include "line-of-score.hh"
 
 void
-Clef_item::do_pre_processing()
+Clef_item::before_line_breaking ()
 {
-  change_b_ = ! (break_status_i() == 1);
+  SCM style_sym =get_elt_property ("style");
+  String style;
+  if (gh_string_p (style_sym))
+    style = ly_scm2string (style_sym);
 
-  if (default_b_)
+  SCM glyph = get_elt_property ("glyph");
+  if (gh_string_p (glyph))
     {
-      set_empty(break_status_i() != 1);
-      transparent_b_ = (break_status_i() != 1);
+      String s = ly_scm2string (glyph);
+       
+      if (break_status_dir() != RIGHT && style != "fullSizeChanges")
+       {
+         s += "_change";
+       }
+      s = "clefs-" +  s;
+      set_elt_property ("glyph", ly_str02scm (s.ch_C()));
     }
-}
-
-Clef_item::Clef_item()
-{
-  breakable_b_ =true;
-  default_b_ = false;
-  change_b_ = true;
-  read ("violin");
-}
-
-/*
- * Convert input clef string to 
- * a clef symbol and a line position.
- * This would be better done in the lexer (more efficient)
- * or as a table-lookup.
- */
-void
-Clef_item::read (String t)
-{
-  symbol_= t;
-  if (t == "violin") 
+  else
     {
-      y_position_i_ = -2;
+      set_elt_property ("transparent", SCM_BOOL_T);
     }
-  else if (t == "bass") 
+  
+  if (style == "transparent")  // UGH. JUNKME
     {
-      y_position_i_ = 2;
+      set_elt_property ("transparent", SCM_BOOL_T);
+      set_extent_callback (0, X_AXIS);
     }
-  else if (t == "G" || t == "G2" || t == "treble")
-    {
-      symbol_ = "violin";
-      y_position_i_ = -2;
-    }
-  else if (t == "french" || t == "G1") 
-    {
-      symbol_="violin";
-      y_position_i_ = -4;
-    }
-  else if (t == "soprano" || t == "C1") 
-    {
-      symbol_="alto";
-      y_position_i_ = -4;
-    }
-  else if (t == "mezzosoprano" || t == "C2")
-    {
-      symbol_ = "alto";
-      y_position_i_ = -2;
-    }
-  else if (t == "alto") 
-    {
-      symbol_ = "alto";
-      y_position_i_ = 0;
-    }
-  else if (t == "C3")
-    {
-      symbol_ = "alto";
-      y_position_i_ = 0;
-  }
-  else if (t == "tenor" || t == "C4") 
-  {
-      symbol_ = "alto";
-      y_position_i_ = 2;
-    }
-  else if (t == "baritone" || t == "C5")
-    {
-      symbol_ = "alto";
-      y_position_i_ = 4;
-    }
-  else if (t == "varbaritone" || t == "F3")
-    {
-      symbol_ = "bass";
-      y_position_i_ = 0;
-    }
-  else if (t == "F" || t == "F4")
-    {
-      symbol_ = "bass";
-      y_position_i_ = 2;
-    }
-  else if (t == "subbass")
-    {
-      symbol_ = "bass";
-      y_position_i_ = 4;
-    }
-  else if (isdigit(t[1]))
-         switch (t[0])
-         { // we've already dealt with plain F, G  or C clef 
-                 // position 0 is line 3.        
-         case 'G':
-         case 'g':
-                 symbol_ = "violin";
-                 y_position_i_ =   2 * (t[1] - '0') - 6;
-                 break;
-         case 'F':
-         case 'f':
-                 symbol_ = "bass";
-                 y_position_i_ = 2 * (t[1] - '0') - 6;
-                 break;
-         }
 }
 
+
 void
-Clef_item::read (Clef_engraver const &k)
+Clef_item::do_add_processing ()
 {
-  read (k.clef_type_str_);
-}
+  if (!break_status_dir ())    // broken stuff takes care of their own texts
+    {
+      Text_item *g =0;
 
-Molecule*
-Clef_item::brew_molecule_p() const
-{
-  String t = symbol_;
-  if  (change_b_)
-    t += "_change";
-  Atom s = paper()->lookup_l ()->clef (t);
-  Molecule*output = new Molecule (Atom (s));
-  output->translate_axis (paper()->internote_f () * y_position_i_, Y_AXIS);
-  return output;
+      SCM octave_dir = remove_elt_property ("octave-dir");
+      if (isdir_b (octave_dir))
+       {
+         g = new Text_item;
+         Side_position_interface spi (g);
+         spi.set_axis (Y_AXIS);
+         
+         pscore_l_->line_l_->typeset_element (g);
+      
+         spi.add_support (this);
+         g->set_elt_property ("text", ly_str02scm ( "8"));
+         g->set_elt_property ("style", gh_str02scm ("italic"));
+         g->set_parent (this, Y_AXIS);
+         g->set_parent (this, X_AXIS);
+         
+         g->set_elt_property ("self-alignment-X", gh_int2scm (0));
+         g->add_offset_callback (Side_position_interface::aligned_on_self, X_AXIS);
+         g->add_offset_callback (Side_position_interface::centered_on_parent, X_AXIS);
+
+         g->set_elt_property ("direction", octave_dir);
+         
+         add_dependency (g);   // just to be sure.
+         SCM my_vis = get_elt_property ("visibility-lambda");
+         if (gh_procedure_p (my_vis))
+           g->set_elt_property ("visibility-lambda", my_vis);
+                       
+       }
+
+    }
 }
 
 
-IMPLEMENT_IS_TYPE_B1(Clef_item,Item);