/*
- 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--2004 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 "lily-guile.hh"
#include "paper-column.hh"
#include "output-def.hh"
#include "side-position-interface.hh"
-#include "item.hh"
-#include "moment.hh"
#include "engraver.hh"
#include "context.hh"
+#include "grob-array.hh"
-/*
-
-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.
+#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_;
+ 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 );
+ TRANSLATOR_DECLARATIONS (Bar_number_engraver);
};
-
void
Bar_number_engraver::process_music ()
{
- // todo include (&&!time->cadenza_b_)
-
SCM wb = get_property ("whichBar");
-
- if (ly_c_string_p (wb))
+
+ if (scm_is_string (wb))
{
- SCM smp = get_property ("measurePosition");
-
- Moment mp = (unsmob_moment (smp)) ? *unsmob_moment (smp) : Moment (0);
+ Moment mp (robust_scm2moment (get_property ("measurePosition"), Moment (0)));
if (mp.main_part_ == Rational (0))
- {
- SCM bn = get_property ("currentBarNumber");
- SCM proc = get_property ("barNumberVisibility");
- if (ly_c_number_p (bn) && ly_c_procedure_p (proc)
- && to_boolean (scm_call_1(proc, bn)))
- {
- create_items ();
- // guh.
- text_->set_property
- ("text", scm_makfrom0str (to_string (ly_scm2int (bn)).to_str0 ()));
- }
- }
+ {
+ SCM bn = get_property ("currentBarNumber");
+ SCM proc = get_property ("barNumberVisibility");
+ if (scm_is_number (bn) && ly_is_procedure (proc)
+ && to_boolean (scm_call_1 (proc, bn)))
+ {
+ create_items ();
+ // guh.
+ text_->set_property
+ ("text", scm_number_to_string (bn, scm_from_int (10)));
+ }
+ }
}
-
}
-
-
Bar_number_engraver::Bar_number_engraver ()
{
- text_ =0;
+ text_ = 0;
}
-
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);
}
}
-void
+void
Bar_number_engraver::stop_translation_timestep ()
{
if (text_)
{
- text_->set_property ("side-support-elements", get_property ("stavesFound"));
-
- text_ =0;
+ text_->set_object ("side-support-elements",
+ grob_list_to_grob_array (get_property ("stavesFound")));
+ text_ = 0;
}
}
-
void
Bar_number_engraver::create_items ()
{
return;
text_ = make_item ("BarNumber", SCM_EOL);
- Side_position_interface::set_axis (text_,Y_AXIS);
}
-ENTER_DESCRIPTION (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 */ "");
+ADD_ACKNOWLEDGER (Bar_number_engraver, break_alignment);
+
+ADD_TRANSLATOR (Bar_number_engraver,
+ /* 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 */
+ ""
+ );
projects / lilypond.git / blobdiff