/*
- separating-line-group-engraver.cc -- implement Separating_line_group_engraver
+' separating-line-group-engraver.cc -- implement Separating_line_group_engraver
source file of the GNU LilyPond music typesetter
- (c) 1998--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1998--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include "paper-column.hh"
#include "paper-def.hh"
#include "engraver.hh"
+#include "axis-group-interface.hh"
+#include "note-spacing.hh"
class Separating_line_group_engraver : public Engraver
{
protected:
Item * break_malt_p_;
- Item * nobreak_malt_p_;
+ Item * musical_malt_p_;
+ Item * last_musical_malt_p_;
+
+ Item * last_note_spacing_;
+ Item * current_note_spacing_;
+ Item * staff_spacing_;
+
Spanner * sep_span_p_;
- virtual void acknowledge_element (Score_element_info);
- virtual void do_creation_processing ();
- virtual void do_removal_processing ();
- virtual void do_pre_move_processing ();
+ virtual void acknowledge_grob (Grob_info);
+ virtual void initialize ();
+ virtual void finalize ();
+ virtual void stop_translation_timestep ();
public:
- Separating_line_group_engraver ();
- VIRTUAL_COPY_CONS (Translator);
+ TRANSLATOR_DECLARATIONS(Separating_line_group_engraver);
};
Separating_line_group_engraver::Separating_line_group_engraver ()
{
+ last_note_spacing_ = 0;
+ current_note_spacing_ = 0;
+ staff_spacing_ =0;
+
sep_span_p_ = 0;
break_malt_p_ = 0;
- nobreak_malt_p_ =0;
+ musical_malt_p_ =0;
}
void
-Separating_line_group_engraver::do_creation_processing ()
+Separating_line_group_engraver::initialize ()
{
sep_span_p_ = new Spanner (get_property ("SeparatingGroupSpanner"));
- Separating_group_spanner::set_interface (sep_span_p_);
- announce_element (sep_span_p_, 0);
- sep_span_p_->set_bound (LEFT, unsmob_element (get_property ("currentCommandColumn")));
+
+ announce_grob (sep_span_p_, 0);
+ sep_span_p_->set_bound (LEFT, unsmob_grob (get_property ("currentCommandColumn")));
}
void
-Separating_line_group_engraver::do_removal_processing ()
+Separating_line_group_engraver::finalize ()
{
- sep_span_p_->set_bound (RIGHT, unsmob_element (get_property ("currentCommandColumn")));
- typeset_element (sep_span_p_);
+ sep_span_p_->set_bound (RIGHT, unsmob_grob (get_property ("currentCommandColumn")));
+ typeset_grob (sep_span_p_);
sep_span_p_ =0;
}
void
-Separating_line_group_engraver::acknowledge_element (Score_element_info i)
+Separating_line_group_engraver::acknowledge_grob (Grob_info i)
{
- Item * it = dynamic_cast <Item *> (i.elem_l_);
- if (it && !it->parent_l (X_AXIS))
+ Item * it = dynamic_cast <Item *> (i.grob_l_);
+ if (!it)
+ return;
+ if (it->get_parent (X_AXIS)
+ && it->get_parent (X_AXIS)
+ ->has_extent_callback_b(Axis_group_interface::group_extent_callback_proc, X_AXIS))
+ return;
+
+ if (Note_spacing::has_interface (it))
{
- bool ib =Item::breakable_b (it);
- Item *&p_ref_ (ib ? break_malt_p_
- : nobreak_malt_p_);
+ current_note_spacing_ = it;
+ return ;
+ }
+
+ bool ib =Item::breakable_b (it);
+ Item *&p_ref_ (ib ? break_malt_p_
+ : musical_malt_p_);
+
+ if (!p_ref_)
+ {
+ p_ref_ = new Item (get_property ("SeparationItem"));
- if (!p_ref_)
+ if (ib)
+ p_ref_->set_grob_property ("breakable", SCM_BOOL_T);
+ announce_grob (p_ref_, 0);
+
+ if (p_ref_ == break_malt_p_)
{
- p_ref_ = new Item
- (get_property ("SeparationItem"));
-
- if (ib)
- p_ref_->set_elt_property ("breakable", SCM_BOOL_T);
- announce_element (p_ref_, 0);
+ staff_spacing_ = new Item (get_property ("StaffSpacing"));
+ staff_spacing_->set_grob_property ("left-item", break_malt_p_->self_scm ());
+ announce_grob (staff_spacing_, 0);
+
+ if (last_note_spacing_)
+ last_note_spacing_->set_grob_property ("right-item",
+ break_malt_p_->self_scm ());
}
- Separation_item::add_item (p_ref_,it);
}
+
+ Separation_item::add_item (p_ref_,it);
}
void
-Separating_line_group_engraver::do_pre_move_processing ()
+Separating_line_group_engraver::stop_translation_timestep ()
{
if (break_malt_p_)
{
Separating_group_spanner::add_spacing_unit (sep_span_p_, break_malt_p_);
-
- typeset_element (break_malt_p_);
+ typeset_grob (break_malt_p_);
+
break_malt_p_ =0;
}
- if (nobreak_malt_p_)
+
+ if (staff_spacing_)
+ {
+ if (musical_malt_p_)
+ staff_spacing_->set_grob_property ("right-item", musical_malt_p_->self_scm());
+
+ typeset_grob (staff_spacing_);
+ staff_spacing_ = 0;
+ }
+
+ if (musical_malt_p_)
{
- Separating_group_spanner::add_spacing_unit (sep_span_p_, nobreak_malt_p_);
- typeset_element (nobreak_malt_p_);
- nobreak_malt_p_ =0;
+ Separating_group_spanner::add_spacing_unit (sep_span_p_, musical_malt_p_);
+ typeset_grob (musical_malt_p_);
}
+
+ last_note_spacing_ = current_note_spacing_ ;
+ current_note_spacing_ =0 ;
+
+ musical_malt_p_ =0;
}
-ADD_THIS_TRANSLATOR(Separating_line_group_engraver);
+
+ENTER_DESCRIPTION(Separating_line_group_engraver,
+/* descr */ "Generates objects for computing spacing parameters.",
+/* creats*/ "SeparationItem SeparatingGroupSpanner",
+/* acks */ "grob-interface",
+/* reads */ "",
+/* write */ "");