Merge branch 'lilypond/translation'

[lilypond.git] / lily / side-position-interface.cc

diff --git a/lily/side-position-interface.cc b/lily/side-position-interface.cc
index dcd6f237d34e962f2456979dec476cb76a3d6bb9..9f6460a6543ad7c6245f60fc269dcf489da120a9 100644 (file)
--- a/lily/side-position-interface.cc
+++ b/lily/side-position-interface.cc
@@ -1,9 +1,20 @@
 /*
-  side-position-interface.cc -- implement Side_position_interface
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 1998--2010 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
-  (c) 1998--2008 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 "side-position-interface.hh"
@@ -13,8 +24,10 @@
 
 using namespace std;
 
+#include "axis-group-interface.hh"
 #include "directional-element-interface.hh"
 #include "grob.hh"
+#include "grob-array.hh"
 #include "main.hh"
 #include "misc.hh"
 #include "note-head.hh"
@@ -23,6 +36,7 @@ using namespace std;
 #include "staff-symbol.hh"
 #include "stem.hh"
 #include "string-convert.hh"
+#include "system.hh"
 #include "warn.hh"
 
 void
@@ -31,22 +45,6 @@ Side_position_interface::add_support (Grob *me, Grob *e)
   Pointer_group_interface::add_unordered_grob (me, ly_symbol2scm ("side-support-elements"), e);
 }
 
-Direction
-Side_position_interface::get_direction (Grob *me)
-{
-  Direction relative_dir = Direction (1);
-  SCM reldir = me->get_property ("side-relative-direction");
-  if (is_direction (reldir))
-    relative_dir = to_dir (reldir);
-
-  SCM other_elt = me->get_object ("direction-source");
-  Grob *e = unsmob_grob (other_elt);
-  if (e)
-    return (Direction) (relative_dir * get_grob_direction (e));
-
-  return CENTER;
-}
-
 /* Put the element next to the support, optionally taking in
    account the extent of the support.
 
@@ -309,6 +307,51 @@ Side_position_interface::get_axis (Grob *me)
   return NO_AXES;
 }
 
+MAKE_SCHEME_CALLBACK (Side_position_interface, move_to_extremal_staff, 1);
+SCM
+Side_position_interface::move_to_extremal_staff (SCM smob)
+{
+  Grob *me = unsmob_grob (smob);
+  System *sys = dynamic_cast<System*> (me->get_system ());
+  Direction dir = get_grob_direction (me);
+  if (dir != DOWN)
+    dir = UP;
+
+  Interval iv = me->extent (sys, X_AXIS);
+  iv.widen (1.0);
+  Grob *top_staff = sys->get_extremal_staff (dir, iv);
+
+  if (!top_staff)
+    return SCM_BOOL_F;
+
+  // Only move this grob if it is a direct child of the system.  We
+  // are not interested in moving marks from other staves to the top
+  // staff; we only want to move marks from the system to the top
+  // staff.
+  if (sys != me->get_parent (Y_AXIS))
+    return SCM_BOOL_F;
+
+  me->set_parent (top_staff, Y_AXIS);
+  me->flush_extent_cache (Y_AXIS);
+  Axis_group_interface::add_element (top_staff, me);
+
+  // Remove any cross-staff side-support dependencies
+  Grob_array *ga = unsmob_grob_array (me->get_object ("side-support-elements"));
+  if (ga)
+    {
+      vector<Grob*> const& elts = ga->array ();
+      vector<Grob*> new_elts;
+      for (vsize i = 0; i < elts.size (); ++i)
+       {
+         if (me->common_refpoint (elts[i], Y_AXIS) == top_staff)
+           new_elts.push_back (elts[i]);
+       }
+      ga->set_array (new_elts);
+    }
+  return SCM_BOOL_T;
+}
+
+
 ADD_INTERFACE (Side_position_interface,
               "Position a victim object (this one) next to other objects"
               " (the support).  The property @code{direction} signifies where"
@@ -321,12 +364,10 @@ ADD_INTERFACE (Side_position_interface,
 
               /* properties */
               "direction "
-              "direction-source "
               "minimum-space "
               "padding "
               "quantize-position "
               "side-axis "
-              "side-relative-direction "
               "side-support-elements "
               "slur-padding "
               "staff-padding "