source file of the GNU LilyPond music typesetter
- (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include "translator-group.hh"
#include "paper-column.hh"
class Vertical_align_engraver : public Engraver
{
- Spanner * valign_p_;
+ Spanner * valign_;
bool qualifies_b (Grob_info) const;
public:
TRANSLATOR_DECLARATIONS(Vertical_align_engraver);
protected:
virtual void acknowledge_grob (Grob_info);
- virtual void initialize ();
+ virtual void process_music ();
virtual void finalize ();
};
Vertical_align_engraver::Vertical_align_engraver ()
{
- valign_p_ =0;
+ valign_ =0;
}
void
-Vertical_align_engraver::initialize ()
+Vertical_align_engraver::process_music ()
{
- valign_p_ =new Spanner (get_property ("VerticalAlignment"));
- valign_p_->set_bound (LEFT,unsmob_grob (get_property ("currentCommandColumn")));
- announce_grob(valign_p_ , SCM_EOL);
+ if (!valign_)
+ {
+ valign_ =make_spanner ("VerticalAlignment");
+ valign_->set_bound (LEFT,unsmob_grob (get_property ("currentCommandColumn")));
+ announce_grob (valign_ , SCM_EOL);
+ }
}
void
Vertical_align_engraver::finalize ()
{
- valign_p_->set_bound (RIGHT,unsmob_grob (get_property ("currentCommandColumn")));
- typeset_grob (valign_p_);
- valign_p_ =0;
+ if (valign_)
+ {
+ valign_->set_bound (RIGHT,unsmob_grob (get_property ("currentCommandColumn")));
+ typeset_grob (valign_);
+ valign_ =0;
+ }
}
-
bool
Vertical_align_engraver::qualifies_b (Grob_info i) const
{
- int sz = i.origin_trans_l_arr ((Translator*)this).size () ;
+ int sz = i.origin_transes ((Translator*)this).size () ;
- return sz > 1 && Axis_group_interface::has_interface (i.grob_l_)
- && !i.grob_l_->get_parent (Y_AXIS) && Axis_group_interface::axis_b (i.grob_l_, Y_AXIS);
+ return sz > 1 && Axis_group_interface::has_interface (i.grob_)
+ && !i.grob_->get_parent (Y_AXIS) && Axis_group_interface::axis_b (i.grob_, Y_AXIS);
}
void
{
if (qualifies_b (i))
{
- Align_interface::add_element (valign_p_,i.grob_l_, get_property ("verticalAlignmentChildCallback"));
+ Align_interface::add_element (valign_,i.grob_, get_property ("verticalAlignmentChildCallback"));
}
}
ENTER_DESCRIPTION(Vertical_align_engraver,
/* descr */ "Catch Vertical axis groups and stack them.",
/* creats*/ "VerticalAlignment",
-/* acks */ "axis-group-interface",
+/* accepts */ "",
+/* acks */ "axis-group-interface",
/* reads */ "",
/* write */ "");