/*
- 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--2006 Han-Wen Nienhuys <hanwen@xs4all.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"
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:
protected:
void stop_translation_timestep ();
DECLARE_ACKNOWLEDGER (break_aligned);
+ DECLARE_ACKNOWLEDGER (break_alignment);
void process_music ();
void create_items ();
TRANSLATOR_DECLARATIONS (Bar_number_engraver);
void
Bar_number_engraver::process_music ()
{
- // todo include (&&!time->cadenza_b_)
-
SCM wb = get_property ("whichBar");
if (scm_is_string (wb))
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
}
}
+
+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 ()
{
text_ = make_item ("BarNumber", SCM_EOL);
}
+
+ADD_ACKNOWLEDGER (Bar_number_engraver, break_aligned);
+ADD_ACKNOWLEDGER (Bar_number_engraver, break_alignment);
+
ADD_TRANSLATOR (Bar_number_engraver,
- /* doc */ "A bar number is created whenever measurePosition "
- "is zero and there is a bar line. 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}}. ",
-
- /* create */ "BarNumber",
- /* accept */ "",
+ /* 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 */ "");
+ "barNumberVisibility ",
+
+ /* write */
+ ""
+ );