X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fitem.cc;h=abae1689a6ad828a82430caa84b59435ad395cff;hb=22d7891f2b9ddbe39118ff24f26b3a6eb302178e;hp=e92ac8ac90afbffcb934c820e656808513545b60;hpb=d9b43b93f2c885409bafdb157138158f65cc49aa;p=lilypond.git

diff --git a/lily/item.cc b/lily/item.cc
index e92ac8ac90..abae1689a6 100644
--- a/lily/item.cc
+++ b/lily/item.cc
@@ -13,12 +13,15 @@
 #include "paper-column.hh"
 #include "spanner.hh"
 #include "lily-guile.hh"
-#include "line-of-score.hh"
+#include "system.hh"
+#include "group-interface.hh"
 
 Item::Item (SCM s)
   : Grob (s)
 {
   broken_to_drul_[LEFT] = broken_to_drul_[RIGHT]=0;
+  Group_interface::add_thing (this, ly_symbol2scm ("interfaces"), ly_symbol2scm ("item-interface"));
+		     
 }
 
 /**
@@ -51,7 +54,7 @@ Item::column_l () const
   return parent ? parent->column_l () : 0;
 }
 
-Line_of_score *
+System *
 Item::line_l () const
 {
   Grob *g = get_parent (X_AXIS);
@@ -97,7 +100,7 @@ Item::discretionary_processing ()
 }
 
 Grob*
-Item::find_broken_piece (Line_of_score*l) const
+Item::find_broken_piece (System*l) const
 {
   if (line_l () == l) 
     return (Item*) (this);
@@ -169,11 +172,11 @@ Item::handle_prebroken_dependencies ()
 	suicide ();
       else if (empty)
 	{
-	  set_extent_callback (SCM_EOL, X_AXIS);
-	  set_extent_callback (SCM_EOL, Y_AXIS);
+	  set_extent (SCM_EOL, X_AXIS);
+	  set_extent (SCM_EOL, Y_AXIS);
 	}
       else if (trans)
-	set_grob_property ("molecule-callback", SCM_BOOL_T);
+	set_grob_property ("molecule-callback", SCM_EOL);
     }
 }
 
@@ -192,3 +195,10 @@ unsmob_item (SCM s )
 {
   return dynamic_cast<Item*> (unsmob_grob (s));
 }
+
+
+
+ADD_INTERFACE(Item,
+	      "item-interface",
+	      "",
+	      "no-spacing-rods visibility-lambda breakable")