patch::: 1.3.18.jcn3

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

diff --git a/lily/key-item.cc b/lily/key-item.cc
index 85a92f56e9ef13fa2444bce0abeccd25436bcc4a..43ddc6931fb598fa0ed05385d0d107ee96941634 100644 (file)
--- a/lily/key-item.cc
+++ b/lily/key-item.cc
@@ -3,7 +3,7 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1996, 1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c) 1996, 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
 
   keyplacement by Mats Bengtsson
 */
@@ -15,27 +15,32 @@
 #include "paper-def.hh"
 #include "lookup.hh"
 #include "musical-pitch.hh"
+#include "staff-symbol-referencer.hh"
 
 const int FLAT_TOP_PITCH=2; /* fes,ges,as and bes typeset in lower octave */
 const int SHARP_TOP_PITCH=4; /*  ais and bis typeset in lower octave */
 
 Key_item::Key_item ()
 {
-  multi_octave_b_ = false;
-  breakable_b_ =true;
-  default_b_ = false;
+  set_elt_property ("breakable", SCM_BOOL_T);
   set_c_position (0);
 }
 
-void 
-Key_item::set_c_position (int c0)
+int
+Key_item::get_c_position () const
 {
-  c0_position = c0;
   // Find the c in the range -4 through 2
-  int from_bottom_pos = c0 + 4;        
+  int from_bottom_pos = c0_position_ + 4;      
   from_bottom_pos = from_bottom_pos%7;
   from_bottom_pos = (from_bottom_pos + 7)%7; // Precaution to get positive.
-  c_position  = from_bottom_pos - 4;
+  return from_bottom_pos - 4;
+}
+
+
+void 
+Key_item::set_c_position (int c0)
+{
+  c0_position_ = c0;
 }
 
 
@@ -57,32 +62,47 @@ Key_item::add_old (int p, int a)
 int
 Key_item::calculate_position(int p, int a) const
 {
-  if (multi_octave_b_) 
+  if (to_boolean (get_elt_property ("multi-octave")))
     {
-      return p + c0_position;
+      return p + c0_position_;
     }
   else {
-    if ((a<0 && ((p>FLAT_TOP_PITCH) || (p+c_position>4)) && (p+c_position>1)) 
+    if ((a<0 && ((p>FLAT_TOP_PITCH) || (p+get_c_position ()>4)) && (p+get_c_position ()>1)) 
        ||
-       (a>0 && ((p>SHARP_TOP_PITCH) || (p+c_position>5)) && (p+c_position>2))) 
+       (a>0 && ((p>SHARP_TOP_PITCH) || (p+get_c_position ()>5)) && (p+get_c_position ()>2))) 
       {
        p -= 7; /* Typeset below c_position */
       }
-    return p + c_position;
+    /* Provide for the four cases in which there's a glitch */
+    /* it's a hack, but probably not worth */
+    /* the effort of finding a nicer solution. dl. */
+    if (get_c_position ()==2 && a>0 && p==3)
+      p -= 7;
+    if (get_c_position ()==-3 && a>0 && p==-1)
+      p += 7;
+    if (get_c_position ()==-4 && a<0 && p==-1)
+      p += 7;
+    if (get_c_position ()==-2 && a<0 && p==-3)
+      p += 7;
+    return p + get_c_position ();
   }
 }
 
 /*
-  TODO space the `natural' signs wider
+  TODO
+  - space the `natural' signs wider
+  - dehair this
  */
 Molecule*
-Key_item::brew_molecule_p() const
+Key_item::do_brew_molecule_p() const
 {
   Molecule*output = new Molecule;
-  Real inter = paper()->internote_f ();
+
+  Staff_symbol_referencer_interface si (this);
+  Real inter = si.staff_space ()/2.0;
   
   int j;
-  if ((break_status_dir_ == LEFT || break_status_dir_ == CENTER)
+  if ((break_status_dir () == LEFT || break_status_dir () == CENTER)
       || old_pitch_arr_.size ())
     {
       for (int i =0; i < old_pitch_arr_.size(); i++) 
@@ -95,9 +115,10 @@ Key_item::brew_molecule_p() const
              || (old_pitch_arr_[i] == pitch_arr_[j]
                  && old_acc_arr_[i] != acc_arr_[j]))
             {
-              Molecule m =lookup_l ()->accidental (0,false);
+              Molecule m =lookup_l ()->afm_find ("accidentals-0");
+
               m.translate_axis (calculate_position(old_pitch_arr_[i], old_acc_arr_[i]) * inter, Y_AXIS);
-              output->add_at_edge (X_AXIS, RIGHT, m);  
+              output->add_at_edge (X_AXIS, RIGHT, m,0);        
             }
         }
 
@@ -109,34 +130,19 @@ Key_item::brew_molecule_p() const
       Interval x(0, inter);
       Interval y(0,0);
 
-      output->add_at_edge (X_AXIS, RIGHT, lookup_l()->fill (Box(x,y)));
+      output->add_at_edge (X_AXIS, RIGHT, lookup_l()->fill (Box(x,y)),0);
     }
  
   for (int i =0; i < pitch_arr_.size(); i++) 
     {
-      Molecule m =lookup_l ()->accidental (acc_arr_[i],false);
+      Molecule m = lookup_l ()->afm_find ("accidentals-" + to_str (acc_arr_[i]));
       m.translate_axis (calculate_position(pitch_arr_[i], acc_arr_[i]) * inter, Y_AXIS);
-      output->add_at_edge (X_AXIS, RIGHT, m);  
-    }
-  if (pitch_arr_.size()) 
-    {
-      Molecule m (lookup_l ()->fill (Box (
-                                         Interval (0, paper()->note_width ()),
-                                         Interval (0,0))));
-      
-      output->add_at_edge (X_AXIS, RIGHT, m);
+      output->add_at_edge (X_AXIS, RIGHT, m, 0);
     }
+
   return output;
 }
 
-IMPLEMENT_IS_TYPE_B1(Key_item,Item);
 
-void 
-Key_item::do_pre_processing()
-{
-  if (default_b_) 
-    {
-      transparent_b_ = (break_status_dir() != RIGHT);
-      set_empty (transparent_b_);
-    }
-}
+
+