X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Ftext-spanner-engraver.cc;h=8a66fa62f34f04aa9488d51351ad6c1de7ad0698;hb=c869648595a848905a7636571778385acdc772f5;hp=b7628c325c29fef4d5ec88aab8d164500a85278c;hpb=cc676c5aadd45985251b5d60fa23eed1ed98f6e6;p=lilypond.git

diff --git a/lily/text-spanner-engraver.cc b/lily/text-spanner-engraver.cc
index b7628c325c..8a66fa62f3 100644
--- a/lily/text-spanner-engraver.cc
+++ b/lily/text-spanner-engraver.cc
@@ -1,16 +1,29 @@
 /*
-  text-spanner-engraver.cc -- implement Text_spanner_engraver
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 2000--2009 Jan Nieuwenhuizen <janneke@gnu.org>
 
-  (c) 2000--2006 Jan Nieuwenhuizen <janneke@gnu.org>
+  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 "engraver.hh"
 
 #include "international.hh"
 #include "note-column.hh"
+#include "pointer-group-interface.hh"
 #include "side-position-interface.hh"
+#include "spanner.hh"
 #include "stream-event.hh"
 
 #include "translator.icc"
@@ -21,8 +34,8 @@ public:
   TRANSLATOR_DECLARATIONS (Text_spanner_engraver);
 protected:
   virtual void finalize ();
-  DECLARE_ACKNOWLEDGER (note_column);
   DECLARE_TRANSLATOR_LISTENER (text_span);
+  DECLARE_ACKNOWLEDGER (note_column);
   void stop_translation_timestep ();
   void process_music ();
 
@@ -48,7 +61,7 @@ void
 Text_spanner_engraver::listen_text_span (Stream_event *ev)
 {
   Direction d = to_dir (ev->get_property ("span-direction"));
-  event_drul_[d] = ev;
+  ASSIGN_EVENT_ONCE (event_drul_[d], ev);
 }
 
 void
@@ -57,10 +70,11 @@ Text_spanner_engraver::process_music ()
   if (event_drul_[STOP])
     {
       if (!span_)
-	event_drul_[STOP]->origin ()->warning (_ ("can't find start of text spanner"));
+	event_drul_[STOP]->origin ()->warning (_ ("cannot find start of text spanner"));
       else
 	{
 	  finished_ = span_;
+	  announce_end_grob (finished_, SCM_EOL);
 	  span_ = 0;
 	  current_event_ = 0;
 	}
@@ -81,20 +95,6 @@ Text_spanner_engraver::process_music ()
     }
 }
 
-void
-Text_spanner_engraver::acknowledge_note_column (Grob_info info)
-{
-  Spanner *spans[2] ={span_, finished_};
-  for (int i = 0; i < 2; i++)
-    {
-      if (spans[i])
-	{
-	  Side_position_interface::add_support (spans[i], info.grob ());
-	  add_bound_item (spans[i], dynamic_cast<Item *> (info.grob ()));
-	}
-    }
-}
-
 void
 Text_spanner_engraver::typeset_all ()
 {
@@ -135,10 +135,34 @@ Text_spanner_engraver::finalize ()
     }
 }
 
+
+void
+Text_spanner_engraver::acknowledge_note_column (Grob_info info)
+{
+  if (span_) {
+    Pointer_group_interface::add_grob (span_,
+				       ly_symbol2scm ("note-columns"),
+				       info.grob());
+    add_bound_item (span_, info.grob ());
+  } else if (finished_) {
+    Pointer_group_interface::add_grob (finished_, ly_symbol2scm ("note-columns"),
+				       info.grob());
+    add_bound_item (finished_, info.grob ());
+  }
+}
+
 ADD_ACKNOWLEDGER (Text_spanner_engraver, note_column);
+
 ADD_TRANSLATOR (Text_spanner_engraver,
-		/* doc */ "Create text spanner from a Music.",
-		/* create */ "TextSpanner",
-		/* accept */ "text-span-event",
-		/* read */ "",
-		/* write */ "");
+		/* doc */
+		"Create text spanner from an event.",
+
+		/* create */
+		"TextSpanner ",
+
+		/* read */
+		"",
+
+		/* write */
+		""
+		);