Lilypond-book: rename variable in MusicXML snippets

[lilypond.git] / lily / tuplet-number.cc

diff --git a/lily/tuplet-number.cc b/lily/tuplet-number.cc
index a68b99b0a5738c34793c1b5c232d4506ec0a680e..2972942ee346169e681908f838fa31b618d4afd8 100644 (file)
--- a/lily/tuplet-number.cc
+++ b/lily/tuplet-number.cc
@@ -1,10 +1,21 @@
 /*
-  tuplet-number.cc -- implement Tuplet_number
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 2005--2011 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
-  (c) 2005--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
+  LilyPond is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  LilyPond is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #include "tuplet-bracket.hh"
@@ -16,17 +27,17 @@
 
 struct Tuplet_number
 {
-  DECLARE_SCHEME_CALLBACK(print, (SCM));
-  static bool has_interface (Grob *);
+  DECLARE_SCHEME_CALLBACK (print, (SCM));
+  DECLARE_SCHEME_CALLBACK (calc_cross_staff, (SCM));
+  DECLARE_GROB_INTERFACE ();
 };
-  
 
-MAKE_SCHEME_CALLBACK(Tuplet_number, print, 1);
-SCM 
+MAKE_SCHEME_CALLBACK (Tuplet_number, print, 1);
+SCM
 Tuplet_number::print (SCM smob)
 {
   Spanner *me = unsmob_spanner (smob);
-  Spanner *tuplet = unsmob_spanner (me->get_object ("bracket")); 
+  Spanner *tuplet = unsmob_spanner (me->get_object ("bracket"));
 
   if (!tuplet || !tuplet->is_live ())
     {
@@ -34,39 +45,42 @@ Tuplet_number::print (SCM smob)
       return SCM_EOL;
     }
 
-  /*
-    Don't print if it doesn't span time.
-   */
-  if (robust_scm2moment (tuplet->get_bound (LEFT)->get_column ()->get_property ("when"), Moment (0))
-      == robust_scm2moment (tuplet->get_bound (RIGHT)->get_column ()->get_property ("when"), Moment (0)))
-    {
-      me->suicide ();
-      return SCM_EOL;
-    }
-
   SCM stc_scm = Text_interface::print (smob);
   Stencil *stc = unsmob_stencil (stc_scm);
 
   stc->align_to (X_AXIS, CENTER);
   stc->align_to (Y_AXIS, CENTER);
 
-  SCM cpoints =  tuplet->get_property ("control-points");
+  SCM cpoints = tuplet->get_property ("control-points");
   Drul_array<Offset> points;
-  points[LEFT] = ly_scm2offset (scm_car (cpoints));
-  points[RIGHT] = ly_scm2offset (scm_cadr (cpoints));
-
+  if (scm_is_pair (cpoints))
+    {
+      points[LEFT] = ly_scm2offset (scm_car (cpoints));
+      points[RIGHT] = ly_scm2offset (scm_cadr (cpoints));
+    }
+  else
+    {
+      programming_error ("wrong type for control-points");
+    }
   stc->translate ((points[RIGHT] + points[LEFT]) / 2);
-  
+
   return stc_scm;
 }
 
+MAKE_SCHEME_CALLBACK (Tuplet_number, calc_cross_staff, 1)
+SCM
+Tuplet_number::calc_cross_staff (SCM smob)
+{
+  Grob *me = unsmob_grob (smob);
+  return unsmob_grob (me->get_object ("bracket"))->get_property ("cross-staff");
+}
 
 ADD_INTERFACE (Tuplet_number,
-              "tuplet-number-interface",
-              "The number for a bracket. "
-              ,
+               "The number for a bracket.",
 
-              /* properties */
-              "avoid-slur "    // UGH.
-              "bracket ");
+               /* properties */
+               "avoid-slur "    // UGH.
+               "bracket "
+               "direction "
+              );