Doc: Appendix - Articulations and Ornamentation - part 2

[lilypond.git] / lily / vertical-align-engraver.cc

diff --git a/lily/vertical-align-engraver.cc b/lily/vertical-align-engraver.cc
index 97f14fdce03b0e6f88aecac0be7ccc4491e0938f..650669f8c54768e41791ac488f18ae529960227c 100644 (file)
--- a/lily/vertical-align-engraver.cc
+++ b/lily/vertical-align-engraver.cc
@@ -1,7 +1,7 @@
 /*
   This file is part of LilyPond, the GNU music typesetter.
 
-  Copyright (C) 1997--2012 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  Copyright (C) 1997--2014 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
@@ -22,6 +22,7 @@
 #include "align-interface.hh"
 #include "axis-group-interface.hh"
 #include "engraver.hh"
+#include "international.hh"
 #include "spanner.hh"
 #include "pointer-group-interface.hh"
 #include "grob-array.hh"
@@ -58,7 +59,8 @@ ADD_TRANSLATOR (Vertical_align_engraver,
 
                 /* read */
                 "alignAboveContext "
-                "alignBelowContext ",
+                "alignBelowContext "
+                "hasAxisGroup ",
 
                 /* write */
                 ""
@@ -86,8 +88,15 @@ Vertical_align_engraver::initialize ()
 void
 Vertical_align_engraver::process_music ()
 {
-  if (!valign_)
+  if (!valign_ && !scm_is_null (id_to_group_hashtab_))
     {
+      if (to_boolean (get_property ("hasAxisGroup")))
+        {
+          warning (_ ("Ignoring Vertical_align_engraver in VerticalAxisGroup"));
+          id_to_group_hashtab_ = SCM_EOL;
+          return;
+        }
+      
       top_level_ = to_boolean (get_property ("topLevelAlignment"));
 
       valign_ = make_spanner (top_level_ ? "VerticalAlignment" : "StaffGrouper", SCM_EOL);
@@ -120,6 +129,9 @@ Vertical_align_engraver::qualifies (Grob_info i) const
 void
 Vertical_align_engraver::acknowledge_axis_group (Grob_info i)
 {
+  if (scm_is_null (id_to_group_hashtab_))
+    return;
+
   if (top_level_ && qualifies (i))
     {
       string id = i.context ()->id_string ();