X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Ftext-spanner-engraver.cc;h=1b66b68f121139530e98d60b42f32fdc553b7666;hb=90e4d7057f3857da049dfda3d130017d4719bd6b;hp=c18bf098f2e03855dbfa4096b9d29331805abd96;hpb=a31ea2385b8587fe364eb6ce0874ece14f2218f2;p=lilypond.git

diff --git a/lily/text-spanner-engraver.cc b/lily/text-spanner-engraver.cc
index c18bf098f2..1b66b68f12 100644
--- a/lily/text-spanner-engraver.cc
+++ b/lily/text-spanner-engraver.cc
@@ -1,7 +1,7 @@
 /*
   This file is part of LilyPond, the GNU music typesetter.
 
-  Copyright (C) 2000--2011 Jan Nieuwenhuizen <janneke@gnu.org>
+  Copyright (C) 2000--2015 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
@@ -34,8 +34,8 @@ public:
   TRANSLATOR_DECLARATIONS (Text_spanner_engraver);
 protected:
   virtual void finalize ();
-  DECLARE_TRANSLATOR_LISTENER (text_span);
-  DECLARE_ACKNOWLEDGER (note_column);
+  void listen_text_span (Stream_event *);
+  void acknowledge_note_column (Grob_info);
   void stop_translation_timestep ();
   void process_music ();
 
@@ -47,7 +47,8 @@ private:
   void typeset_all ();
 };
 
-Text_spanner_engraver::Text_spanner_engraver ()
+Text_spanner_engraver::Text_spanner_engraver (Context *c)
+  : Engraver (c)
 {
   finished_ = 0;
   current_event_ = 0;
@@ -55,7 +56,6 @@ Text_spanner_engraver::Text_spanner_engraver ()
   event_drul_.set (0, 0);
 }
 
-IMPLEMENT_TRANSLATOR_LISTENER (Text_spanner_engraver, text_span);
 void
 Text_spanner_engraver::listen_text_span (Stream_event *ev)
 {
@@ -69,28 +69,30 @@ Text_spanner_engraver::process_music ()
   if (event_drul_[STOP])
     {
       if (!span_)
-	event_drul_[STOP]->origin ()->warning (_ ("cannot 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;
-	}
+        {
+          finished_ = span_;
+          announce_end_grob (finished_, SCM_EOL);
+          span_ = 0;
+          current_event_ = 0;
+        }
     }
 
   if (event_drul_[START])
     {
       if (current_event_)
-	event_drul_[START]->origin ()->warning (_ ("already have a text spanner"));
+        event_drul_[START]->origin ()->warning (_ ("already have a text spanner"));
       else
-	{
-	  current_event_ = event_drul_[START];
-	  span_ = make_spanner ("TextSpanner", event_drul_[START]->self_scm ());
-
-	  Side_position_interface::set_axis (span_, Y_AXIS);
-	  event_drul_[START] = 0;
-	}
+        {
+          current_event_ = event_drul_[START];
+          span_ = make_spanner ("TextSpanner", event_drul_[START]->self_scm ());
+          if (Direction d = to_dir (current_event_->get_property ("direction")))
+            span_->set_property ("direction", scm_from_int (d));
+
+          Side_position_interface::set_axis (span_, Y_AXIS);
+          event_drul_[START] = 0;
+        }
     }
 }
 
@@ -100,10 +102,10 @@ Text_spanner_engraver::typeset_all ()
   if (finished_)
     {
       if (!finished_->get_bound (RIGHT))
-	{
-	  Grob *e = unsmob_grob (get_property ("currentMusicalColumn"));
-	  finished_->set_bound (RIGHT, e);
-	}
+        {
+          Grob *e = unsmob<Grob> (get_property ("currentMusicalColumn"));
+          finished_->set_bound (RIGHT, e);
+        }
       finished_ = 0;
     }
 }
@@ -113,7 +115,7 @@ Text_spanner_engraver::stop_translation_timestep ()
 {
   if (span_ && !span_->get_bound (LEFT))
     {
-      Grob *e = unsmob_grob (get_property ("currentMusicalColumn"));
+      Grob *e = unsmob<Grob> (get_property ("currentMusicalColumn"));
       span_->set_bound (LEFT, e);
     }
 
@@ -139,33 +141,39 @@ Text_spanner_engraver::acknowledge_note_column (Grob_info info)
   if (span_)
     {
       Pointer_group_interface::add_grob (span_,
-					 ly_symbol2scm ("note-columns"),
-					 info.grob ());
+                                         ly_symbol2scm ("note-columns"),
+                                         info.grob ());
       if (!span_->get_bound (LEFT))
-	add_bound_item (span_, info.grob ());
+        add_bound_item (span_, info.grob ());
     }
   else if (finished_)
     {
       Pointer_group_interface::add_grob (finished_,
-					 ly_symbol2scm ("note-columns"),
-					 info.grob ());
+                                         ly_symbol2scm ("note-columns"),
+                                         info.grob ());
       if (!finished_->get_bound (RIGHT))
-	add_bound_item (finished_, info.grob ());
+        add_bound_item (finished_, info.grob ());
     }
 }
 
-ADD_ACKNOWLEDGER (Text_spanner_engraver, note_column);
+
+void
+Text_spanner_engraver::boot ()
+{
+  ADD_LISTENER (Text_spanner_engraver, text_span);
+  ADD_ACKNOWLEDGER (Text_spanner_engraver, note_column);
+}
 
 ADD_TRANSLATOR (Text_spanner_engraver,
-		/* doc */
-		"Create text spanner from an event.",
+                /* doc */
+                "Create text spanner from an event.",
 
-		/* create */
-		"TextSpanner ",
+                /* create */
+                "TextSpanner ",
 
-		/* read */
-		"currentMusicalColumn ",
+                /* read */
+                "currentMusicalColumn ",
 
-		/* write */
-		""
-		);
+                /* write */
+                ""
+               );