Minor fixes.

[lilypond.git] / lily / system.cc

diff --git a/lily/system.cc b/lily/system.cc
index b804e43a3114704f5cc7203087f5cca5413cba0a..6e19d0a6f4f83c8a6613cdcb76f2cd7e7ceab0b1 100644 (file)
--- a/lily/system.cc
+++ b/lily/system.cc
@@ -21,14 +21,13 @@
 #include "pointer-group-interface.hh"
 #include "spacing-interface.hh"
 #include "staff-symbol-referencer.hh"
-#include "tweak-registration.hh"
 #include "warn.hh"
 #include "lookup.hh"
 
 extern bool debug_skylines;
 
-System::System (System const &src, int count)
-  : Spanner (src, count)
+System::System (System const &src)
+  : Spanner (src)
 {
   all_elements_ = 0;
   pscore_ = 0;
@@ -36,8 +35,8 @@ System::System (System const &src, int count)
   init_elements ();
 }
 
-System::System (SCM s, Object_key const *key)
-  : Spanner (s, key)
+System::System (SCM s)
+  : Spanner (s)
 {
   all_elements_ = 0;
   rank_ = 0;
@@ -54,9 +53,9 @@ System::init_elements ()
 }
 
 Grob *
-System::clone (int index) const
+System::clone () const
 {
-  return new System (*this, index);
+  return new System (*this);
 }
 
 int
@@ -115,8 +114,8 @@ fixup_refpoints (vector<Grob*> const &grobs)
     grobs[i]->fixup_refpoint ();
 }
 
-SCM
-System::get_paper_systems ()
+void
+System::do_break_substitution_and_fixup_refpoints ()
 {
   for (vsize i = 0; i < all_elements_->size (); i++)
     {
@@ -179,7 +178,20 @@ System::get_paper_systems ()
 
   if (be_verbose_global)
     message (_f ("Element count %d.", count + element_count ()));
+}
+
+SCM
+System::get_broken_system_grobs ()
+{
+  SCM ret = SCM_EOL;
+  for (vsize i = 0; i < broken_intos_.size (); i++)
+    ret = scm_cons (broken_intos_[i]->self_scm (), ret);
+  return scm_reverse (ret);
+}
 
+SCM
+System::get_paper_systems ()
+{
   SCM lines = scm_c_make_vector (broken_intos_.size (), SCM_EOL);
   for (vsize i = 0; i < broken_intos_.size (); i++)
     {
@@ -188,14 +200,6 @@ System::get_paper_systems ()
 
       System *system = dynamic_cast<System *> (broken_intos_[i]);
 
-      system->post_processing ();
-      system->build_skylines ();
-      if (i > 0)
-       {
-         System *prev = dynamic_cast<System*> (broken_intos_[i-1]);
-         Real r = prev->skylines_[DOWN].distance (system->skylines_[UP]);
-         system->set_property ("skyline-distance", scm_from_double (r));
-       }
       scm_vector_set_x (lines, scm_from_int (i),
                        system->get_paper_system ());
 
@@ -210,7 +214,7 @@ System::break_into_pieces (vector<Column_x_positions> const &breaking)
 {
   for (vsize i = 0; i < breaking.size (); i++)
     {
-      System *system = dynamic_cast<System *> (clone (broken_intos_.size ()));
+      System *system = dynamic_cast<System *> (clone ());
       system->rank_ = broken_intos_.size ();
 
       vector<Grob*> c (breaking[i].cols_);
@@ -335,6 +339,9 @@ System::get_paper_system ()
   SCM exprs = SCM_EOL;
   SCM *tail = &exprs;
 
+  post_processing ();
+  build_skylines ();
+
   vector<Layer_entry> entries;
   for (vsize j = 0; j < all_elements_->size (); j++)
     {
@@ -351,7 +358,7 @@ System::get_paper_system ()
       Grob *g = entries[j].grob_;
       Stencil st = g->get_print_stencil ();
 
-      if (st.expr() == SCM_EOL)
+      if (st.expr () == SCM_EOL)
        continue;
       
       Offset o;
@@ -392,25 +399,18 @@ System::get_paper_system ()
 
   /* information that the page breaker might need */
   Grob *right_bound = this->get_bound (RIGHT);
-  pl->set_property ("skyline-distance", get_property ("skyline-distance"));
+  pl->set_property ("skylines", skylines_.smobbed_copy ());
   pl->set_property ("page-break-permission", right_bound->get_property ("page-break-permission"));
   pl->set_property ("page-turn-permission", right_bound->get_property ("page-turn-permission"));
   pl->set_property ("page-break-penalty", right_bound->get_property ("page-break-penalty"));
   pl->set_property ("page-turn-penalty", right_bound->get_property ("page-turn-penalty"));
 
-  if (!scm_is_pair (pl->get_property ("refpoint-Y-extent")))
-    {
-      Interval staff_refpoints;
-      staff_refpoints.set_empty ();
-      extract_grob_set (this, "spaceable-staves", staves);
-      for (vsize i = 0; i < staves.size (); i++)
-       {
-         Grob *g = staves[i];
-         staff_refpoints.add_point (g->relative_coordinate (this, Y_AXIS));
-       }
-      pl->set_property ("refpoint-Y-extent", ly_interval2scm (staff_refpoints));
-    }
+  Interval staff_refpoints;
+  extract_grob_set (this, "spaceable-staves", staves);
+  for (vsize i = 0; i < staves.size (); i++)
+    staff_refpoints.add_point (staves[i]->relative_coordinate (this, Y_AXIS));
 
+  pl->set_property ("staff-refpoint-extent", ly_interval2scm (staff_refpoints));
   pl->set_property ("system-grob", this->self_scm ()); 
 
   return pl->unprotect ();