/*
- span-bar-grav.cc -- implement Span_bar_engraver
+ span-bar-engraver.cc -- implement Span_bar_engraver
source file of the GNU LilyPond music typesetter
- (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
-#include "dimension-cache.hh"
-#include "lily-guile.hh"
+#include "bar-line.hh"
+#include "item.hh"
#include "span-bar.hh"
#include "engraver.hh"
-/**
+/**
- Make bars that span multiple "staffs". Catch bars, and span a
- Span_bar over them if we find more than 2 bars. Vertical alignment
- of staffs changes the appearance of spanbars. It is up to the
- aligner (Vertical_align_engraver, in this case, to add extra
- dependencies to the spanbars.
-
- */
+Make bars that span multiple "staves". Catch bars, and span a
+Span_bar over them if we find more than 2 bars. Vertical alignment
+of staves changes the appearance of spanbars. It is up to the
+aligner (Vertical_align_engraver, in this case, to add extra
+dependencies to the spanbars.
+*/
class Span_bar_engraver : public Engraver
{
- Span_bar * spanbar_p_;
- Link_array<Bar> bar_l_arr_;
+ Item *spanbar_;
+ vector<Item*> bars_;
public:
- VIRTUAL_COPY_CONS(Translator);
- Span_bar_engraver();
+ TRANSLATOR_DECLARATIONS (Span_bar_engraver);
protected:
- virtual void acknowledge_element (Score_element_info);
- virtual void do_pre_move_processing();
- virtual Span_bar* get_span_bar_p() const;
+ DECLARE_ACKNOWLEDGER (bar_line);
+ void stop_translation_timestep ();
};
-
-Span_bar_engraver::Span_bar_engraver()
-{
- spanbar_p_ =0;
-}
-
-Span_bar*
-Span_bar_engraver::get_span_bar_p() const
+Span_bar_engraver::Span_bar_engraver ()
{
- return new Span_bar;
+ spanbar_ = 0;
}
-
void
-Span_bar_engraver::acknowledge_element (Score_element_info i)
+Span_bar_engraver::acknowledge_bar_line (Grob_info i)
{
- int depth = i.origin_trans_l_arr (this).size();
- if (depth > 1
- && dynamic_cast<Bar *> (i.elem_l_))
+ int depth = i.origin_contexts (this).size ();
+ if (depth && Bar_line::has_interface (i.grob ()))
{
- bar_l_arr_.push (dynamic_cast<Bar *> (i.elem_l_));
+ Item *it = dynamic_cast<Item *> (i.grob ());
+ bars_.push_back (it);
- if (bar_l_arr_.size() >= 2 && !spanbar_p_)
+ if (bars_.size () >= 2 && !spanbar_)
{
- spanbar_p_ = get_span_bar_p();
- spanbar_p_->set_parent (bar_l_arr_[0], Y_AXIS);
-
- /*
- UGH. UGH UUHGK GUHG G
- */
- String visnam = String(name()) + "-visibility";
-
- spanbar_p_->set_elt_property ("visibility-lambda",
- scm_eval (ly_symbol2scm (visnam.ch_C())));
-
- spanbar_p_->set_parent (bar_l_arr_[0], X_AXIS);
- announce_element (Score_element_info (spanbar_p_,0));
- if (!gh_string_p (spanbar_p_->get_elt_property ("glyph")))
- spanbar_p_-> set_elt_property ("glyph",
- bar_l_arr_[0]->get_elt_property ("glyph"));
+ spanbar_ = make_item ("SpanBar", SCM_EOL);
+
+ spanbar_->set_parent (bars_[0], X_AXIS);
}
}
}
void
-Span_bar_engraver::do_pre_move_processing()
+Span_bar_engraver::stop_translation_timestep ()
{
- if (spanbar_p_)
+ if (spanbar_)
{
- for (int i=0; i < bar_l_arr_.size() ; i++)
- spanbar_p_->add_bar (bar_l_arr_[i]);
- typeset_element (spanbar_p_);
- spanbar_p_ =0;
+ 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);
+
+ spanbar_ = 0;
}
- bar_l_arr_.set_size (0);
+ bars_.resize (0);
}
+#include "translator.icc"
+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.",
-ADD_THIS_TRANSLATOR(Span_bar_engraver);
-
+ /* create */
+ "SpanBar ",
+ /* read */
+ "",
+ /* write */
+ ""
+ );