X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fbar-number-engraver.cc;h=a5d5023b9bea55d0dfde5ec51deb0a6d1f2add24;hb=7bf048cdf18696a7bfb234d0b55d89f62923c758;hp=0dd53a9e3214127558a247e143413f869cc7c6b7;hpb=811be522d0b79493159f47789e5621dc85493495;p=lilypond.git

diff --git a/lily/bar-number-engraver.cc b/lily/bar-number-engraver.cc
index 0dd53a9e32..a5d5023b9b 100644
--- a/lily/bar-number-engraver.cc
+++ b/lily/bar-number-engraver.cc
@@ -1,9 +1,20 @@
 /*
-  bar-number-engraver.cc -- implement Bar_number_engraver
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 1997--2010 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
-  (c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.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 "paper-column.hh"
@@ -20,7 +31,6 @@
   system-start-delims. If we find these, and the top staff is in the
   staff-group, add padding to the bar number.
 */
-
 class Bar_number_engraver : public Engraver
 {
 protected:
@@ -28,6 +38,7 @@ protected:
 protected:
   void stop_translation_timestep ();
   DECLARE_ACKNOWLEDGER (break_aligned);
+  DECLARE_ACKNOWLEDGER (break_alignment);
   void process_music ();
   void create_items ();
   TRANSLATOR_DECLARATIONS (Bar_number_engraver);
@@ -36,8 +47,6 @@ protected:
 void
 Bar_number_engraver::process_music ()
 {
-  // todo include (&&!time->cadenza_b_)
-
   SCM wb = get_property ("whichBar");
 
   if (scm_is_string (wb))
@@ -64,13 +73,19 @@ Bar_number_engraver::Bar_number_engraver ()
   text_ = 0;
 }
 
+
+/*
+  see rehearsal mark comments.
+ */
 void
 Bar_number_engraver::acknowledge_break_aligned (Grob_info inf)
 {
   Grob *s = inf.grob ();
   if (text_
+      && !text_->get_parent (X_AXIS)
       && dynamic_cast<Item *> (s)
-      && s->get_property ("break-align-symbol") == ly_symbol2scm ("left-edge"))
+      && (s->get_property_data ("break-align-symbol")
+	  == text_->get_property_data ("break-align-symbol")))
     {
       /*
 	By default this would land on the Paper_column -- so why
@@ -79,6 +94,18 @@ Bar_number_engraver::acknowledge_break_aligned (Grob_info inf)
     }
 }
 
+
+void
+Bar_number_engraver::acknowledge_break_alignment (Grob_info inf)
+{
+  Grob *s = inf.grob ();
+  if (text_
+      && dynamic_cast<Item *> (s))
+    {
+      text_->set_parent (s, X_AXIS);
+    }
+}
+
 void
 Bar_number_engraver::stop_translation_timestep ()
 {
@@ -97,16 +124,30 @@ Bar_number_engraver::create_items ()
     return;
 
   text_ = make_item ("BarNumber", SCM_EOL);
-  Side_position_interface::set_axis (text_, Y_AXIS);
 }
 
+
+ADD_ACKNOWLEDGER (Bar_number_engraver, break_aligned);
+ADD_ACKNOWLEDGER (Bar_number_engraver, break_alignment);
+
 ADD_TRANSLATOR (Bar_number_engraver,
-		/* descr */ "A bar number is created whenever measurePosition is zero. It is\n"
-		"put on top of all staves, and appears only at  left side of the staff. "
-		"The staves are taken from @code{stavesFound}, which is maintained by "
-		"@code{@ref{Staff_collecting_engraver}}. ",
-
-		/* creats*/ "BarNumber",
-		/* accepts */ "",
-		/* reads */ "currentBarNumber stavesFound barNumberVisibility",
-		/* write */ "");
+		/* doc */
+		"A bar number is created whenever @code{measurePosition} is"
+		" zero and when there is a bar line (i.e., when"
+		" @code{whichBar} is set).  It is put on top of all staves,"
+		" and appears only at the left side of the staff.  The staves"
+		" are taken from @code{stavesFound}, which is maintained by"
+		" @ref{Staff_collecting_engraver}.",
+
+		/* create */
+		"BarNumber ",
+
+		/* read */
+		"currentBarNumber "
+		"whichBar "
+		"stavesFound "
+		"barNumberVisibility ",
+
+		/* write */
+		""
+		);