#include "spanner.hh"
#include "paper-column.hh"
#include "axis-group-interface.hh"
-#include "engraver.hh"
#include "engraver-group-engraver.hh"
#include "warn.hh"
#include "context.hh"
Axis_group_engraver::Axis_group_engraver ()
{
+ must_be_last_ = true;
staffline_ = 0;
}
staffline_->set_bound (RIGHT,it);
- typeset_grob (staffline_);
staffline_ = 0;
}
void
Axis_group_engraver::process_acknowledged_grobs ()
{
- /* UGH UGH UGH */
+ if (!staffline_)
+ return ;
+
for (int i=0; i < elts_.size (); i++)
{
Grob *par = elts_[i]->get_parent (Y_AXIS);
if (!par || !Axis_group_interface::has_interface (par))
- if (elts_[i]->is_empty (Y_AXIS))
- {
- /*
- We have to do _something_, otherwise staff objects will
- end up with System as parent.
+ {
+ if (staffline_->get_parent (Y_AXIS)
+ && staffline_->get_parent (Y_AXIS) == elts_[i])
+ {
+ String msg = _("Axis_group_engraver: vertical group already has a parent.\n"
+ "Do you have two Axis_group_engravers?\n"
+ "Killing this vertical group.");
+ staffline_->warning (msg);
+ staffline_->suicide ();
+ staffline_ = 0;
+ break ;
+ }
+ else if (elts_[i]->is_empty (Y_AXIS))
+ {
+ /*
+ We have to do _something_, otherwise staff objects will
+ end up with System as parent.
- */
- elts_[i]->set_parent (staffline_, Y_AXIS);
- }
- else
- add_element (elts_[i]);
+ */
+ elts_[i]->set_parent (staffline_, Y_AXIS);
+ }
+ else
+ add_element (elts_[i]);
+ }
}
elts_.clear ();
}
Hara_kiri_engraver::acknowledge_grob (Grob_info i)
{
Axis_group_engraver::acknowledge_grob (i);
- if (i.grob_->internal_has_interface (ly_symbol2scm ("rhythmic-grob-interface"))
- || i.grob_->internal_has_interface (ly_symbol2scm ("lyric-interface"))
+ if (staffline_
+ && (i.grob_->internal_has_interface (ly_symbol2scm ("rhythmic-grob-interface"))
+ || i.grob_->internal_has_interface (ly_symbol2scm ("lyric-interface")))
)
{
Hara_kiri_group_spanner::add_interesting_item (staffline_, i.grob_);