2 axis-group-engraver.cc -- implement Axis_group_engraver
4 source file of the GNU LilyPond music typesetter
6 (c) 1999--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
9 #include "axis-group-engraver.hh"
11 #include "axis-group-interface.hh"
12 #include "pointer-group-interface.hh"
14 #include "international.hh"
18 #include "translator.icc"
20 Axis_group_engraver::Axis_group_engraver ()
27 Axis_group_engraver::process_music ()
31 staffline_ = get_spanner ();
32 Grob *it = unsmob_grob (get_property ("currentCommandColumn"));
33 staffline_->set_bound (LEFT, it);
38 Axis_group_engraver::get_spanner ()
40 return make_spanner ("VerticalAxisGroup", SCM_EOL);
44 TODO: should we junk minimumVerticalExtent/extraVerticalExtent ?
48 Axis_group_engraver::finalize ()
52 Grob *it = unsmob_grob (get_property ("currentCommandColumn"));
53 staffline_->set_bound (RIGHT, it);
55 Pointer_group_interface::set_ordered (staffline_, ly_symbol2scm ("elements"), false);
60 Axis_group_engraver::acknowledge_grob (Grob_info i)
62 elts_.push_back (i.grob ());
66 maybe should check if our parent is set, because we now get a
67 cyclic parent relationship if we have two Axis_group_engravers in
70 Axis_group_engraver::process_acknowledged ()
75 for (vsize i = 0; i < elts_.size (); i++)
77 if (!unsmob_grob (elts_[i]->get_object ("axis-group-parent-Y")))
79 if (staffline_->get_parent (Y_AXIS)
80 && staffline_->get_parent (Y_AXIS) == elts_[i])
82 staffline_->warning (_ ("Axis_group_engraver: vertical group already has a parent"));
83 staffline_->warning (_ ("are there two Axis_group_engravers?"));
84 staffline_->warning (_ ("removing this vertical group"));
85 staffline_->suicide ();
89 add_element (elts_[i]);
96 Axis_group_engraver::add_element (Grob *e)
98 Axis_group_interface::add_element (staffline_, e);
101 ADD_ACKNOWLEDGER (Axis_group_engraver, grob);
103 ADD_TRANSLATOR (Axis_group_engraver,
104 /* doc */ "Group all objects created in this context in a VerticalAxisGroup spanner.",
105 /* create */ "VerticalAxisGroup",
108 "currentCommandColumn ",