source file of the GNU LilyPond music typesetter
- (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include "translator-group.hh"
-#include "axis-group-engraver.hh"
#include "paper-column.hh"
-#include "vertical-align-engraver.hh"
-#include "axis-align-spanner.hh"
-#include "axis-group-spanner.hh"
+#include "align-interface.hh"
#include "span-bar.hh"
+#include "axis-group-interface.hh"
+#include "engraver.hh"
+#include "spanner.hh"
+
+class Vertical_align_engraver : public Engraver
+{
+ Spanner * valign_p_;
+ bool qualifies_b (Grob_info) const;
+public:
+ VIRTUAL_COPY_CONS(Translator);
+ Vertical_align_engraver();
+protected:
+ virtual void acknowledge_grob (Grob_info);
+ virtual void initialize();
+ virtual void finalize();
+};
Vertical_align_engraver::Vertical_align_engraver()
{
}
void
-Vertical_align_engraver::do_creation_processing()
+Vertical_align_engraver::initialize()
{
- valign_p_ =new Axis_align_spanner;
- valign_p_->set_axis (Y_AXIS);
- valign_p_->stacking_dir_ = DOWN;
-
- valign_p_->set_bounds(LEFT,get_staff_info().command_pcol_l ());
- announce_element (Score_element_info (valign_p_ , 0));
+ valign_p_ =new Spanner (get_property ("VerticalAlignment"));
+ valign_p_->set_bound(LEFT,unsmob_grob (get_property ("currentCommandColumn")));
+ announce_grob (valign_p_ , 0);
}
void
-Vertical_align_engraver::do_removal_processing()
+Vertical_align_engraver::finalize()
{
- Scalar dist (get_property ("maxVerticalAlign", 0));
- if (dist.length_i () && dist.isnum_b ())
- {
- valign_p_->threshold_interval_[BIGGER] = Real (dist);
- }
-
- dist = get_property ("minVerticalAlign", 0);
- if (dist.length_i () && dist.isnum_b ())
- {
- valign_p_->threshold_interval_[SMALLER] = Real (dist);
- }
-
- dist = get_property ("alignmentReference",0);
- if (dist.length_i () && dist.isnum_b ())
- {
- valign_p_->align_dir_ = int (dist);
- }
- valign_p_->set_bounds(RIGHT,get_staff_info().command_pcol_l ());
- typeset_element (valign_p_);
+ valign_p_->set_bound(RIGHT,unsmob_grob (get_property ("currentCommandColumn")));
+ typeset_grob (valign_p_);
valign_p_ =0;
}
bool
-Vertical_align_engraver::qualifies_b (Score_element_info i) const
+Vertical_align_engraver::qualifies_b (Grob_info i) const
{
- Translator * t = i.origin_trans_l_arr_[0];
- int sz = i.origin_trans_l_arr_.size() ;
-
-#if 0
- return (sz == 1 && dynamic_cast<Translator_group*> (t))
- || (sz == 2 && dynamic_cast<Axis_group_engraver*> (t));
-#endif
-
- Axis_group_element * elt = dynamic_cast<Axis_group_element *> (i.elem_l_);
+ int sz = i.origin_trans_l_arr ((Translator*)this).size() ;
- return sz > 1 && elt && elt->axes_[0] == Y_AXIS && !elt->parent_l (Y_AXIS);
+ return sz > 1 && Axis_group_interface::has_interface (i.elem_l_)
+ && !i.elem_l_->parent_l (Y_AXIS) && Axis_group_interface::axis_b (i.elem_l_, Y_AXIS);
}
void
-Vertical_align_engraver::acknowledge_element (Score_element_info i)
+Vertical_align_engraver::acknowledge_grob (Grob_info i)
{
if (qualifies_b (i))
{
- valign_p_->add_element (i.elem_l_);
+ Align_interface::add_element (valign_p_,i.elem_l_, get_property ("verticalAlignmentChildCallback"));
}
- else if (dynamic_cast<Span_bar*>(i.elem_l_) && i.origin_trans_l_arr_.size ())
- {
- i.elem_l_->add_dependency (valign_p_);
- }
}
-
-
ADD_THIS_TRANSLATOR(Vertical_align_engraver);