source file of the GNU LilyPond music typesetter
- (c) 2000 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 2000--2007 Jan Nieuwenhuizen <janneke@gnu.org>
+
+ Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#include "engraver.hh"
-#include "lily-guile.hh"
-#include "item.hh"
#include "arpeggio.hh"
-#include "span-arpeggio.hh"
-#include "group-interface.hh"
+#include "pointer-group-interface.hh"
#include "side-position-interface.hh"
#include "staff-symbol-referencer.hh"
+#include "item.hh"
-
-/**
-
- Make arpeggios that span multiple staffs. Catch arpeggios, and span a
- Span_arpeggio over them if we find more than two arpeggios.
- */
+/**
+ Make arpeggios that span multiple staves. Catch arpeggios, and span a
+ Span_arpeggio over them if we find more than two arpeggios.
+*/
class Span_arpeggio_engraver : public Engraver
{
public:
- VIRTUAL_COPY_CONS (Translator);
- Span_arpeggio_engraver ();
+ TRANSLATOR_DECLARATIONS (Span_arpeggio_engraver);
+ DECLARE_ACKNOWLEDGER (arpeggio);
protected:
- virtual void acknowledge_element (Score_element_info);
- virtual void process_acknowledged ();
- virtual void do_pre_move_processing ();
+ void process_acknowledged ();
+ void stop_translation_timestep ();
private:
Item *span_arpeggio_;
- Link_array<Score_element> arpeggios_;
+ vector<Grob*> arpeggios_;
};
-
Span_arpeggio_engraver::Span_arpeggio_engraver ()
{
span_arpeggio_ = 0;
}
void
-Span_arpeggio_engraver::acknowledge_element (Score_element_info info)
+Span_arpeggio_engraver::acknowledge_arpeggio (Grob_info info)
{
- if (info.origin_trans_l_arr (this).size ()
- && Arpeggio::has_interface (info.elem_l_))
- {
- arpeggios_.push (info.elem_l_);
- }
+ if (info.origin_contexts (this).size ()) // huh? what's this test for?
+ arpeggios_.push_back (info.grob ());
}
void
Span_arpeggio_engraver::process_acknowledged ()
{
+ /*
+ connectArpeggios is slightly brusque; we should really read a grob
+ property of the caught non-span arpeggios. That way, we can have
+
+ both non-connected and connected arps in one pianostaff.
+
+ */
if (!span_arpeggio_ && arpeggios_.size () > 1
&& to_boolean (get_property ("connectArpeggios")))
- {
- span_arpeggio_ = new Item (get_property ("SpanArpeggio"));
- span_arpeggio_->set_parent (arpeggios_[0], Y_AXIS);
- // Side_position::set_axis (span_arpeggio_, X_AXIS);
- Pointer_group_interface pgi (span_arpeggio_, "arpeggios");
- for (int i = 0; i < arpeggios_.size () ; i++)
- {
- pgi.add_element (arpeggios_[i]);
- span_arpeggio_->add_dependency (arpeggios_[i]);
- }
-
- announce_element (span_arpeggio_, 0);
- }
+ span_arpeggio_ = make_item ("Arpeggio", SCM_EOL);
}
void
-Span_arpeggio_engraver::do_pre_move_processing ()
+Span_arpeggio_engraver::stop_translation_timestep ()
{
- if (span_arpeggio_)
+ if (span_arpeggio_)
{
- typeset_element (span_arpeggio_);
+ /*
+ we do this very late, to make sure we also catch `extra'
+ side-pos support like accidentals.
+ */
+ for (vsize j = 0; j < arpeggios_.size (); j++)
+ {
+ extract_grob_set (arpeggios_[j], "stems", stems);
+ for (vsize i = 0; i < stems.size (); i++)
+ Pointer_group_interface::add_grob (span_arpeggio_, ly_symbol2scm ("stems"),
+ stems[i]);
+
+ extract_grob_set (arpeggios_[j], "side-support-elements", sses);
+ for (vsize i = 0; i < sses.size (); i++)
+ Pointer_group_interface::add_grob (span_arpeggio_, ly_symbol2scm ("side-support-elements"),
+ sses[i]);
+
+ /*
+ we can't kill the children, since we don't want to the
+ previous note to bump into the span arpeggio; so we make
+ it transparent. */
+ arpeggios_[j]->set_property ("transparent", SCM_BOOL_T);
+ }
+
span_arpeggio_ = 0;
}
arpeggios_.clear ();
}
-ADD_THIS_TRANSLATOR (Span_arpeggio_engraver);
+#include "translator.icc"
+ADD_ACKNOWLEDGER (Span_arpeggio_engraver, arpeggio);
+ADD_TRANSLATOR (Span_arpeggio_engraver,
+ /* doc */ "",
+ /* create */ "Arpeggio",
+ /* read */ "connectArpeggios",
+ /* write */ "");