X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fsemi-tie.cc;h=2d0c1133a879f9e769900c014c8ba1c62c7e7bcc;hb=90e4d7057f3857da049dfda3d130017d4719bd6b;hp=1fbe8a3820dbdcb3cc0058f592d27e8557c7fe8e;hpb=e7aa6c445f463844dbaa52d38ea4aac2882b5601;p=lilypond.git

diff --git a/lily/semi-tie.cc b/lily/semi-tie.cc
index 1fbe8a3820..2d0c1133a8 100644
--- a/lily/semi-tie.cc
+++ b/lily/semi-tie.cc
@@ -1,7 +1,7 @@
 /*
   This file is part of LilyPond, the GNU music typesetter.
 
-  Copyright (C) 2005--2014 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  Copyright (C) 2005--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
 
   LilyPond is free software: you can redistribute it and/or modify
@@ -22,12 +22,25 @@
 #include "semi-tie.hh"
 #include "directional-element-interface.hh"
 #include "grob.hh"
+#include "paper-column.hh"
 #include "tie.hh"
 #include "warn.hh"
 #include "staff-symbol-referencer.hh"
 
 ADD_INTERFACE (Semi_tie,
-               "A tie which is only on one side connected to a note head.",
+               "A tie which is only connected to a note head on one side."
+               "\n"
+               "The following properties may be set in the @code{details}"
+               " list:\n"
+               "\n"
+               "@table @code\n"
+               "@item height-limit\n"
+               "Maximum tie height: The longer the tie, the closer it is"
+               " to this height.\n"
+               "@item ratio\n"
+               "Parameter for tie shape.  The higher this number, the"
+               " quicker the tie attains its @code{height-limit}.\n"
+               "@end table\n",
 
                /* properties */
                "control-points "
@@ -36,39 +49,65 @@ ADD_INTERFACE (Semi_tie,
                "head-direction "
                "note-head "
                "thickness "
+               "line-thickness "
               );
 
 MAKE_SCHEME_CALLBACK (Semi_tie, calc_control_points, 1)
 SCM
 Semi_tie::calc_control_points (SCM smob)
 {
-  Grob *me = unsmob_grob (smob);
+  Item *me = LY_ASSERT_SMOB(Item, smob, 1);
+
   (void) me->get_property ("direction");
 
-  if (Semi_tie_column::has_interface (me->get_parent (Y_AXIS)))
-    {
-      me->get_parent (Y_AXIS)->get_property ("positioning-done");
-    }
-  else
+  Grob *yparent = me->get_parent (Y_AXIS);
+  if (has_interface<Semi_tie_column> (yparent))
     {
-      programming_error ("lv tie without Semi_tie_column.  Killing lv tie.");
-      me->suicide ();
+      /* trigger positioning. */
+      yparent->get_property ("positioning-done");
+
+      return me->get_property_data ("control-points");
     }
 
-  return me->get_property_data ("control-points");
+  programming_error ("lv tie without Semi_tie_column.  Killing lv tie.");
+  me->suicide ();
+  return SCM_EOL;
+}
+
+int
+Semi_tie::get_column_rank (Item *me)
+{
+  return Paper_column::get_rank (me->get_column ());
 }
 
 int
-Semi_tie::get_position (Grob *me)
+Semi_tie::get_position (Item *me)
 {
-  Grob *h = unsmob_grob (me->get_object ("note-head"));
-  return (int) rint (Staff_symbol_referencer::get_position (h));
+  return (int) rint (Staff_symbol_referencer::get_position (head (me)));
 }
 
 bool
-Semi_tie::less (Grob *const &s1,
-                Grob *const &s2)
+Semi_tie::less (Grob *g1, Grob *g2)
 {
-  return get_position (s1) < get_position (s2);
+  Item *i1 = dynamic_cast<Item *> (g1);
+  if (!i1)
+    {
+      g1->programming_error ("grob is not a semi-tie");
+      return false;
+    }
+
+  Item *i2 = dynamic_cast<Item *> (g2);
+  if (!i2)
+    {
+      g2->programming_error ("grob is not a semi-tie");
+      return true;
+    }
+
+  return get_position (i1) < get_position (i2);
 }
 
+Item *
+Semi_tie::head (Item *me)
+{
+  return unsmob<Item> (me->get_object ("note-head"));
+}