/*
- span-bar-engraver.cc -- implement Span_bar_engraver
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 1997--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 1997--2007 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 "bar-line.hh"
#include "item.hh"
-#include "span-bar.hh"
#include "engraver.hh"
+#include "pointer-group-interface.hh"
+#include "lily-imports.hh"
+
+#include "translator.icc"
/**
class Span_bar_engraver : public Engraver
{
Item *spanbar_;
- vector<Item*> bars_;
+ bool make_spanbar_;
+ vector<Item *> bars_;
public:
TRANSLATOR_DECLARATIONS (Span_bar_engraver);
protected:
- DECLARE_ACKNOWLEDGER (bar_line);
+ void acknowledge_bar_line (Grob_info);
void stop_translation_timestep ();
+ void process_acknowledged ();
};
-Span_bar_engraver::Span_bar_engraver ()
+Span_bar_engraver::Span_bar_engraver (Context *c)
+ : Engraver (c)
{
spanbar_ = 0;
+ make_spanbar_ = false;
}
void
Span_bar_engraver::acknowledge_bar_line (Grob_info i)
{
int depth = i.origin_contexts (this).size ();
- if (depth && Bar_line::has_interface (i.grob ()))
+ if (depth && !i.grob ()->internal_has_interface (ly_symbol2scm ("span-bar-interface")))
{
Item *it = dynamic_cast<Item *> (i.grob ());
bars_.push_back (it);
if (bars_.size () >= 2 && !spanbar_)
- {
- spanbar_ = make_item ("SpanBar", SCM_EOL);
+ make_spanbar_ = true;
+ }
+}
+
+void
+Span_bar_engraver::process_acknowledged ()
+{
+ if (make_spanbar_)
+ {
+ spanbar_ = make_item ("SpanBar", SCM_EOL);
- spanbar_->set_parent (bars_[0], X_AXIS);
- }
+ spanbar_->set_parent (bars_[0], X_AXIS);
+ for (vsize i = 0; i < bars_.size (); i++)
+ Pointer_group_interface::add_grob (spanbar_, ly_symbol2scm ("elements"), bars_[i]);
+ make_spanbar_ = false;
}
}
{
if (spanbar_)
{
- for (vsize i = 0; i < bars_.size (); i++)
- Span_bar::add_bar (spanbar_, bars_[i]);
-
- SCM vissym = ly_symbol2scm ("break-visibility");
- SCM vis = bars_[0]->internal_get_property (vissym);
- if (ly_is_equal (spanbar_->internal_get_property (vissym), vis))
- spanbar_->set_property (vissym, vis);
-
+ SCM vis = bars_[0]->get_property ("break-visibility");
+ if (ly_is_equal (spanbar_->get_property ("break-visibility"), vis))
+ spanbar_->set_property ("break-visibility", vis);
+ Lily::span_bar_notify_grobs_of_my_existence (spanbar_->self_scm ());
spanbar_ = 0;
}
bars_.resize (0);
}
-#include "translator.icc"
+void
+Span_bar_engraver::boot ()
+{
+ ADD_ACKNOWLEDGER (Span_bar_engraver, bar_line);
+}
-ADD_ACKNOWLEDGER (Span_bar_engraver, bar_line);
ADD_TRANSLATOR (Span_bar_engraver,
- /* doc */
- "Make cross-staff bar lines: It catches all normal bar lines "
- "and draws a single span bar across them.",
+ /* doc */
+ "Make cross-staff bar lines: It catches all normal bar lines"
+ " and draws a single span bar across them.",
- /* create */
- "SpanBar ",
+ /* create */
+ "SpanBar ",
- /* read */
- "",
+ /* read */
+ "",
- /* write */
- ""
- );
+ /* write */
+ ""
+ );