release: 1.3.31

[lilypond.git] / lily / include / extender-engraver.hh

diff --git a/lily/include/extender-engraver.hh b/lily/include/extender-engraver.hh
index c49043a8c2fa65003d99d1f4501feaa0f9da415a..28e9dadeb90b39d2f71fdf798a0e78a4995d1119 100644 (file)
--- a/lily/include/extender-engraver.hh
+++ b/lily/include/extender-engraver.hh
@@ -3,7 +3,8 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1998--1999 Jan Nieuwenhuizen <janneke@gnu.org>
+  (c) 1999 Glen Prideaux <glenprideaux@iname.com>,
+  Han-Wen Nienhuys, Jan Nieuwenhuizen.
 */
 
 #ifndef EXTENDER_ENGRAVER_HH
@@ -12,13 +13,25 @@
 #include "engraver.hh"
 #include "drul-array.hh"
 #include "extender-spanner.hh"
+#include "pqueue.hh"
+#include "extender-engraver.hh"
+
 
 /**
-  Generate an extender.
-  Should make an Extender_spanner that typesets a nice extender line.
- */
+  Generate an centred extender.  Should make a Extender_spanner that
+  typesets a nice centred extender of varying length depending on the
+  gap between syllables.
+
+  We remember the last Text_item that come across. When we get a
+  request, we create the spanner, and attach the left point to the
+  last lyrics, and the right point to any lyrics we receive by
+  then.  */
 class Extender_engraver : public Engraver
 {
+  Text_item *  last_lyric_l_;
+  Text_item * current_lyric_l_;
+  Extender_req* req_l_;
+  Extender_spanner* extender_spanner_p_;
 public:
   Extender_engraver ();
   VIRTUAL_COPY_CONS (Translator);
@@ -29,11 +42,9 @@ protected:
   virtual void do_process_requests();
   virtual bool do_try_music (Music*);
   virtual void do_pre_move_processing();
-  
+  virtual void do_post_move_processing ();
 private:
-  Drul_array<Extender_req*> span_reqs_drul_;
-  Drul_array<Moment> span_mom_drul_;
-  Extender_spanner* extender_spanner_p_;
+
 };
 
 #endif // EXTENDER_ENGRAVER_HH