X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fgrob.cc;h=fbb4683f4a7f2173c1d9e70b2afe7d86db73cd20;hb=7f30590b4e9d2e2e2da747a65258f14279f610e1;hp=0591ab115f6cc6ac8ed0ffddb2960141c4e77695;hpb=635bff94c5a920d5866be4ff16751d771a35b7da;p=lilypond.git

diff --git a/lily/grob.cc b/lily/grob.cc
index 0591ab115f..fbb4683f4a 100644
--- a/lily/grob.cc
+++ b/lily/grob.cc
@@ -3,7 +3,7 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  (c) 1997--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
 */
 
 #include "grob.hh"
@@ -27,15 +27,13 @@
 #include "ly-smobs.icc"
 
 Grob *
-Grob::clone (int count) const
+Grob::clone () const
 {
-  return new Grob (*this, count);
+  return new Grob (*this);
 }
 
-Grob::Grob (SCM basicprops,
-	    Object_key const *key)
+Grob::Grob (SCM basicprops)	    
 {
-  key_ = key;
   
   /* FIXME: default should be no callback.  */
   self_scm_ = SCM_EOL;
@@ -51,12 +49,6 @@ Grob::Grob (SCM basicprops,
      GC. After smobify_self (), they are.  */
   smobify_self ();
 
-  /*
-    We always get a new key object for a new grob.
-  */
-  if (key_)
-    ((Object_key *)key_)->unprotect ();
-
   SCM meta = get_property ("meta");
   if (scm_is_pair (meta))
     {
@@ -76,10 +68,9 @@ Grob::Grob (SCM basicprops,
     set_property ("Y-extent", Grob::stencil_height_proc);
 }
 
-Grob::Grob (Grob const &s, int copy_index)
+Grob::Grob (Grob const &s)
   : dim_cache_ (s.dim_cache_)
 {
-  key_ = (use_object_keys) ? new Copied_key (s.key_, copy_index) : 0;
   original_ = (Grob *) & s;
   self_scm_ = SCM_EOL;
 
@@ -91,8 +82,6 @@ Grob::Grob (Grob const &s, int copy_index)
   layout_ = 0;
 
   smobify_self ();
-  if (key_)
-    ((Object_key *)key_)->unprotect ();
 }
 
 Grob::~Grob ()
@@ -139,7 +128,7 @@ Grob::get_print_stencil () const
 	  Real x = scm_to_double (scm_cadr (rot));
 	  Real y = scm_to_double (scm_caddr (rot));
 
-	  retval.rotate (angle, Offset (x, y));
+	  retval.rotate_degrees (angle, Offset (x, y));
 	}
 
       /* color support... see interpret_stencil_expression () for more... */
@@ -299,16 +288,23 @@ Grob::pure_relative_y_coordinate (Grob const *refp, int start, int end)
   Real off = 0;
 
   if (dim_cache_[Y_AXIS].offset_)
-    off = *dim_cache_[Y_AXIS].offset_;
+    {
+      if (to_boolean (get_property ("pure-Y-offset-in-progress")))
+	programming_error ("cyclic chain in pure-Y-offset callbacks");
+
+      off = *dim_cache_[Y_AXIS].offset_;
+    }
   else
     {
       SCM proc = get_property_data ("Y-offset");
 
       dim_cache_[Y_AXIS].offset_ = new Real (0.0);
+      set_property ("pure-Y-offset-in-progress", SCM_BOOL_T);
       off = robust_scm2double (call_pure_function (proc,
 						   scm_list_1 (self_scm ()),
 						   start, end),
 			       0.0);
+      del_property ("pure-Y-offset-in-progress");
       delete dim_cache_[Y_AXIS].offset_;
       dim_cache_[Y_AXIS].offset_ = 0;
     }
@@ -405,7 +401,7 @@ Grob::extent (Grob *refp, Axis a) const
 	(a == X_AXIS)
 	? ly_symbol2scm ("X-extent")
 	: ly_symbol2scm ("Y-extent");
-
+	
       SCM ext = internal_get_property (ext_sym);
       if (is_number_pair (ext))
 	real_ext.unite (ly_scm2interval (ext));
@@ -429,11 +425,11 @@ Grob::extent (Grob *refp, Axis a) const
 Interval
 Grob::pure_height (Grob *refp, int start, int end)
 {
-  SCM proc = get_property_data ( ly_symbol2scm ("Y-extent"));
-  Interval iv = robust_scm2interval (call_pure_function (proc,
-							 scm_list_1 (self_scm ()),
-							 start, end),
-				     Interval (0, 0));
+  SCM proc = get_property_data (ly_symbol2scm ("Y-extent"));
+  SCM iv_scm = call_pure_function (proc,
+				   scm_list_1 (self_scm ()),
+				   start, end);
+  Interval iv = robust_scm2interval (iv_scm, Interval (0, 0));
   Real offset = pure_relative_y_coordinate (refp, start, end);
 
   SCM min_ext = get_property ("minimum-Y-extent");
@@ -444,7 +440,8 @@ Grob::pure_height (Grob *refp, int start, int end)
   if (!iv.is_empty () && is_number_pair (min_ext))
     iv.unite (ly_scm2interval (min_ext));
 
-  iv.translate (offset);
+  if (!iv.is_empty ())
+    iv.translate (offset);
   return iv;
 }
 
@@ -457,7 +454,7 @@ Grob::maybe_pure_extent (Grob *refp, Axis a, bool pure, int start, int end)
 }
 
 Interval_t<int>
-Grob::spanned_rank_iv ()
+Grob::spanned_rank_interval () const
 {
   return Interval_t<int> (-1, 0);
 }
@@ -624,6 +621,7 @@ ADD_INTERFACE (Grob,
 	       "before-line-breaking "
 	       "cause "
 	       "color "
+	       "cross-staff "
 	       "extra-X-extent "
 	       "extra-Y-extent "
 	       "extra-offset "
@@ -635,6 +633,7 @@ ADD_INTERFACE (Grob,
 	       "outside-staff-horizontal-padding "
 	       "outside-staff-padding "
 	       "outside-staff-priority "
+	       "pure-Y-offset-in-progress "
 	       "rotation "
 	       "springs-and-rods "
 	       "staff-symbol "
@@ -665,7 +664,7 @@ Grob::stencil_height (SCM smob)
   return grob_stencil_extent (me, Y_AXIS);
 }
 
-MAKE_SCHEME_CALLBACK(Grob, y_parent_positioning, 1);
+MAKE_SCHEME_CALLBACK (Grob, y_parent_positioning, 1);
 SCM
 Grob::y_parent_positioning (SCM smob)
 {
@@ -678,7 +677,7 @@ Grob::y_parent_positioning (SCM smob)
 }
 
 
-MAKE_SCHEME_CALLBACK(Grob, x_parent_positioning, 1);
+MAKE_SCHEME_CALLBACK (Grob, x_parent_positioning, 1);
 SCM
 Grob::x_parent_positioning (SCM smob)
 {