#include "engraver.hh"
#include "protected-scm.hh"
#include "break-align-interface.hh"
-#include "item.hh"
#include "align-interface.hh"
#include "axis-group-interface.hh"
-
+#include "context.hh"
+#include "translator-group.hh"
class Break_align_engraver : public Engraver
{
Item *align_;
- Protected_scm column_alist_;
+ SCM column_alist_;
Item *left_edge_;
void add_to_group (SCM,Item*);
protected:
- virtual void finalize ();
virtual void acknowledge_grob (Grob_info i);
virtual void stop_translation_timestep ();
+ virtual void derived_mark () const;
void add_column (SCM);
public:
{
Grob * e = unsmob_grob (smob);
Break_align_interface::add_element (align_,e);
- typeset_grob (e);
-}
-
-void
-Break_align_engraver::finalize ()
-{
- column_alist_ = SCM_EOL;
+
}
void
Break_align_engraver::stop_translation_timestep ()
{
- for (SCM p = column_alist_; gh_pair_p (p); p = ly_cdr (p))
+ for (SCM p = column_alist_; scm_is_pair (p); p = scm_cdr (p))
{
- SCM pair = ly_car (p);
- add_column (ly_cdr (pair));
+ SCM pair = scm_car (p);
+ add_column (scm_cdr (pair));
}
column_alist_ = SCM_EOL;
- if (align_)
- {
- typeset_grob (align_);
- align_ = 0;
- }
- if (left_edge_)
- {
- typeset_grob (left_edge_);
- left_edge_ = 0;
- }
+ align_ = 0;
+ left_edge_ = 0;
}
align_ = 0;
}
+void
+Break_align_engraver::derived_mark () const
+{
+ scm_gc_mark (column_alist_);
+}
+
void
Break_align_engraver::acknowledge_grob (Grob_info inf)
{
if (item->get_parent (X_AXIS))
return;
- SCM bp=item->get_property ("breakable");
+ SCM bp = item->get_property ("breakable");
bool breakable = (to_boolean (bp));
if (!breakable)
return ;
SCM align_name = item->get_property ("break-align-symbol");
- if (!gh_symbol_p (align_name))
+ if (!scm_is_symbol (align_name))
return ;
if (!align_)
{
- align_ = make_item ("BreakAlignment");
-
- announce_grob (align_, SCM_EOL);
+ align_ = make_item ("BreakAlignment", SCM_EOL);
Context*origin = inf.origin_contexts (this)[0];
- left_edge_ = make_item_from_properties (origin,
- ly_symbol2scm ("LeftEdge"));
+ left_edge_ = make_item_from_properties (dynamic_cast<Engraver*> (origin->implementation ()),
+ ly_symbol2scm ("LeftEdge"),
+ SCM_EOL,
+ "LeftEdge");
add_to_group (left_edge_->get_property ("break-align-symbol"),
left_edge_);
- announce_grob (left_edge_, SCM_EOL);
}
add_to_group (align_name, item);
if (s != SCM_BOOL_F)
{
- Grob *e = unsmob_grob (ly_cdr (s));
+ Grob *e = unsmob_grob (scm_cdr (s));
group = dynamic_cast<Item*> (e);
}
else
{
- group = make_item ("BreakAlignGroup");
+ group = make_item ("BreakAlignGroup", item->self_scm () );
group->set_property ("break-align-symbol", align_name);
group->set_parent (align_, Y_AXIS);
- announce_grob (group, item->self_scm ());
column_alist_ = scm_assoc_set_x (column_alist_, align_name, group->self_scm ());
Axis_group_interface::add_element (group, item);
}
-ENTER_DESCRIPTION (Break_align_engraver,
+ADD_TRANSLATOR (Break_align_engraver,
"Align grobs with corresponding @code{break-align-symbols} into "
"groups, and order the groups according to @code{breakAlignOrder}. "
"The left edge of the alignment gets a separate group, with a symbol @code{left-edge}. "