release: 0.1.11

[lilypond.git] / lily / staff-side.cc

diff --git a/lily/staff-side.cc b/lily/staff-side.cc
index 34aab2833296981aaa1f2f382ebe794949a64825..a58d2f2828ad3bcf84f69873af8368fddc9458ca 100644 (file)
--- a/lily/staff-side.cc
+++ b/lily/staff-side.cc
@@ -1,94 +1,123 @@
 /*
   staff-side.cc -- implement Staff_side
 
-  source file of the LilyPond music typesetter
+  source file of the GNU LilyPond music typesetter
 
   (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
 */
 
+#include "interval.hh"
+#include "paper-def.hh"
 #include "dimen.hh"
 #include "staff-side.hh"
 #include "staff-sym.hh"
 #include "debug.hh"
 
 void
-Staff_side::set_staffsym(Staff_symbol* s_l)
+Staff_side::set_staffsym (Staff_symbol* s_l)
 {
-    staff_sym_l_ = s_l;
+  staff_sym_l_ = s_l;
+  add_dependency (s_l);
 }
 
-Staff_side::Staff_side(Staff_elem * elem_l)
+Staff_side::Staff_side()
 {
-    inter_f_ = 2 PT;
-    staff_size_i_ = 0;
-    staff_sym_l_=0;
-    elem_l_ = elem_l;
-    dir_i_ =0;
-    inside_staff_b_ =false;
+  pos_i_ =0;
+  sym_int_ = Interval (0,0);
+  staff_size_i_ = 0;
+  staff_sym_l_ = 0;
+  dir_ = CENTER;
+  inside_staff_b_ = false;
 }
 
 void
 Staff_side::read_staff_sym()
 {
-    if (! staff_sym_l_)
-       return ;
-    inter_f_ = staff_sym_l_->inter_note_f();
-    staff_size_i_ = staff_sym_l_->steps_i();
+  if (! staff_sym_l_)
+    return ;
+  staff_size_i_ = staff_sym_l_->steps_i();
 }
 
 
 Interval
 Staff_side::support_height() const
 {
-    Interval r;
-    
-    for (int i=0; i < support_l_arr_.size(); i++)
-       r.unite(support_l_arr_[i]->height());
-    if (r.empty_b()) {
-       r = Interval(0,0);
+  Interval r;
+  
+  for (int i=0; i < support_l_arr_.size(); i++)
+    r.unite (support_l_arr_[i]->height());
+  if (r.empty_b()) 
+    {
+      r = Interval (0,0);
     }
-    return r;
+  return r;
 }
 
 void
-Staff_side::add_support(Staff_elem*i)
+Staff_side::add_support (Score_elem*i)
 {
-    support_l_arr_.push(i);
-    elem_l_->add_dependency(i);
+  support_l_arr_.push (i);
+  add_dependency (i);
 }
 
 int
-Staff_side::get_position_i()const
+Staff_side::get_position_i() const
 {
-    ((Staff_side*)this)->read_staff_sym();
-    if (!dir_i_) {
-       warning("Staff_side::get_position_i(): " 
-               "somebody forgot to set my vertical direction, returning -20");
-       return -20;
+  if (!dir_) 
+    {
+      warning ("Staff_side::get_position_i(): " 
+              "somebody forgot to set my vertical direction, returning -20");
+      return -20;
     }
-    
-
-    Real y=0;
-    if (!inside_staff_b_) {
-       y  = (dir_i_ > 0) ? staff_size_i_ + 2: -2; 
-       y *=inter_f_;
-       Interval v= support_height();
-
-       if (dir_i_ > 0) {
-           y = y >? (v.max() + 2*inter_f_);
-       } else if (dir_i_ < 0) {
-           y = y <? (v.min() - 2*inter_f_);
+  
+
+  Real y=0;
+  Real inter_f = paper()-> internote_f ();
+  if (!inside_staff_b_) 
+    {
+      y  = (dir_ > 0 && staff_sym_l_) ? staff_sym_l_->steps_i() + 2: -2; 
+      y *=inter_f;
+      Interval v= support_height();
+
+      if (dir_ > 0) 
+       {
+         y = y >? (v.max() + 2*inter_f);
        }
-    } else {
-       Interval v= support_height();
-       y = v[dir_i_]  + 2*dir_i_*inter_f_;     // ugh
+      else if (dir_ < 0) 
+       {
+         y = y <? (v.min() - 2*inter_f);
+       }
+    }
+  else 
+    {
+      Interval v= support_height();
+      y = v[dir_]  + 2*dir_*inter_f;   // ugh
     }
-    return int(rint(Real(y)/inter_f_)); // should ret a float?
+  return int (rint (Real (y)/inter_f)); // should ret a float?
 }
 
-int
-Staff_side::get_position_i(Interval sym_dim) const
+Interval
+Staff_side::symbol_height() const
+{
+  return Interval (0,0);
+}
+
+void
+Staff_side::do_post_processing()
+{
+  sym_int_ = symbol_height();
+  pos_i_ = get_position_i();
+  if (dir_)
+    pos_i_ += int (rint (- sym_int_[-dir_] / paper()->internote_f ()));
+}
+
+void
+Staff_side::do_substitute_dependency (Score_elem*o, Score_elem*n)
 { 
-    int i= get_position_i();
-    return i+ int(rint(- sym_dim[dir_i_] / inter_f_));
+  support_l_arr_.unordered_substitute (o,n);
+  if (staff_sym_l_ == o)
+    staff_sym_l_ = n ? (Staff_symbol*) n->spanner():0;
 }
+
+
+IMPLEMENT_IS_TYPE_B1(Staff_side, Score_elem);