Add beam typenames to typename list.

[lilypond.git] / lily / bar-number-engraver.cc

diff --git a/lily/bar-number-engraver.cc b/lily/bar-number-engraver.cc
index 80b431c2141721006857a40fb2b81068c3a2a80c..82bc09f0ed02160e009868013bb31fcb9299f517 100644 (file)
--- 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--2011 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"
@@ -11,21 +22,23 @@
 #include "side-position-interface.hh"
 #include "engraver.hh"
 #include "context.hh"
+#include "grob-array.hh"
+
+#include "translator.icc"
 
 /*
   TODO: detect the top staff (stavesFound), and acknowledge staff-group
   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:
   Item *text_;
 protected:
-  virtual void stop_translation_timestep ();
-  virtual void acknowledge_grob (Grob_info);
-  virtual void process_music ();
+  void stop_translation_timestep ();
+  DECLARE_ACKNOWLEDGER (break_alignment);
+  void process_music ();
   void create_items ();
   TRANSLATOR_DECLARATIONS (Bar_number_engraver);
 };
@@ -33,8 +46,6 @@ protected:
 void
 Bar_number_engraver::process_music ()
 {
-  // todo include (&&!time->cadenza_b_)
-
   SCM wb = get_property ("whichBar");
 
   if (scm_is_string (wb))
@@ -44,17 +55,16 @@ Bar_number_engraver::process_music ()
        {
          SCM bn = get_property ("currentBarNumber");
          SCM proc = get_property ("barNumberVisibility");
-         if (scm_is_number (bn) && ly_c_procedure_p (proc)
+         if (scm_is_number (bn) && ly_is_procedure (proc)
              && to_boolean (scm_call_1 (proc, bn)))
            {
              create_items ();
              // guh.
              text_->set_property
-               ("text", scm_makfrom0str (to_string (scm_to_int (bn)).to_str0 ()));
+               ("text", scm_number_to_string (bn, scm_from_int (10)));
            }
        }
     }
-
 }
 
 Bar_number_engraver::Bar_number_engraver ()
@@ -63,16 +73,12 @@ Bar_number_engraver::Bar_number_engraver ()
 }
 
 void
-Bar_number_engraver::acknowledge_grob (Grob_info inf)
+Bar_number_engraver::acknowledge_break_alignment (Grob_info inf)
 {
-  Grob *s = inf.grob_;
+  Grob *s = inf.grob ();
   if (text_
-      && dynamic_cast<Item *> (s)
-      && s->get_property ("break-align-symbol") == ly_symbol2scm ("left-edge"))
+      && dynamic_cast<Item *> (s))
     {
-      /*
-       By default this would land on the Paper_column -- so why
-       doesn't it work when you leave this out?  */
       text_->set_parent (s, X_AXIS);
     }
 }
@@ -82,8 +88,8 @@ Bar_number_engraver::stop_translation_timestep ()
 {
   if (text_)
     {
-      text_->set_property ("side-support-elements", get_property ("stavesFound"));
-
+      text_->set_object ("side-support-elements",
+                        grob_list_to_grob_array (get_property ("stavesFound")));
       text_ = 0;
     }
 }
@@ -95,17 +101,29 @@ 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_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 */ "",
-               /* acks  */ "break-aligned-interface",
-               /* 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 */
+               ""
+               );