/*
This file is part of LilyPond, the GNU music typesetter.
- Copyright (C) 1999--2012 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ Copyright (C) 1999--2015 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
class Axis_group_engraver : public Engraver
{
protected:
+ bool active_;
Spanner *staffline_;
SCM interesting_;
vector<Grob *> elts_;
void process_music ();
+ virtual void initialize ();
virtual void finalize ();
DECLARE_ACKNOWLEDGER (grob);
void process_acknowledged ();
{
staffline_ = 0;
interesting_ = SCM_EOL;
+ active_ = false;
+}
+
+void
+Axis_group_engraver::initialize ()
+{
+ active_ = !to_boolean (get_property ("hasAxisGroup"));
+ if (active_)
+ context ()->set_property ("hasAxisGroup", SCM_BOOL_T);
}
void
void
Axis_group_engraver::process_music ()
{
- if (!staffline_)
+ if (!staffline_ && active_)
{
staffline_ = get_spanner ();
- Grob *it = unsmob_grob (get_property ("currentCommandColumn"));
+ Grob *it = unsmob<Grob> (get_property ("currentCommandColumn"));
staffline_->set_bound (LEFT, it);
}
interesting_ = get_property ("keepAliveInterfaces");
{
if (staffline_)
{
- Grob *it = unsmob_grob (get_property ("currentCommandColumn"));
+ Grob *it = unsmob<Grob> (get_property ("currentCommandColumn"));
staffline_->set_bound (RIGHT, it);
Pointer_group_interface::set_ordered (staffline_, ly_symbol2scm ("elements"), false);
void
Axis_group_engraver::acknowledge_grob (Grob_info i)
{
- elts_.push_back (i.grob ());
+ if (staffline_)
+ elts_.push_back (i.grob ());
if (staffline_ && to_boolean(staffline_->get_property("remove-empty")))
{
for (vsize i = 0; i < elts_.size (); i++)
{
- if (!unsmob_grob (elts_[i]->get_object ("axis-group-parent-Y")))
+ if (!unsmob<Grob> (elts_[i]->get_object ("axis-group-parent-Y")))
{
if (staffline_->get_parent (Y_AXIS)
&& staffline_->get_parent (Y_AXIS) == elts_[i])
Axis_group_interface::add_element (staffline_, e);
}
-ADD_ACKNOWLEDGER (Axis_group_engraver, grob);
+
+void
+Axis_group_engraver::boot ()
+{
+ ADD_ACKNOWLEDGER (Axis_group_engraver, grob);
+}
ADD_TRANSLATOR (Axis_group_engraver,
/* doc */
/* read */
"currentCommandColumn "
- "keepAliveInterfaces ",
-
+ "keepAliveInterfaces "
+ "hasAxisGroup ",
+
/* write */
- ""
+ "hasAxisGroup "
);