-/*
- break-align-engraver.cc -- implement Break_align_engraver
-
+/*
+ break-align-engraver.cc -- implement Break_align_engraver
+
source file of the GNU LilyPond music typesetter
-
- (c) 1999--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
+
+ (c) 1999--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+*/
#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"
class Break_align_engraver : public Engraver
{
Item *align_;
-SCM column_alist_;
+ SCM column_alist_;
Item *left_edge_;
- void add_to_group (SCM,Item*);
+ void add_to_group (SCM, Item *);
protected:
virtual void acknowledge_grob (Grob_info i);
virtual void stop_translation_timestep ();
virtual void derived_mark () const;
void add_column (SCM);
-
+
public:
TRANSLATOR_DECLARATIONS (Break_align_engraver);
};
void
Break_align_engraver::add_column (SCM smob)
{
- Grob * e = unsmob_grob (smob);
- Break_align_interface::add_element (align_,e);
-
+ Grob *e = unsmob_grob (smob);
+ Break_align_interface::add_element (align_, e);
}
void
left_edge_ = 0;
}
-
Break_align_engraver::Break_align_engraver ()
{
column_alist_ = SCM_EOL;
void
Break_align_engraver::acknowledge_grob (Grob_info inf)
{
- if (Item * item = dynamic_cast <Item *> (inf.grob_))
+ if (Item *item = dynamic_cast<Item *> (inf.grob_))
{
/*
Removed check for item->empty (X_AXIS). --hwn 20/1/04
- */
+ */
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 ;
+ return;
SCM align_name = item->get_property ("break-align-symbol");
if (!scm_is_symbol (align_name))
- return ;
+ return;
if (!align_)
{
align_ = make_item ("BreakAlignment", SCM_EOL);
-
-
- Context*origin = inf.origin_contexts (this)[0];
- left_edge_ = make_item_from_properties (origin->implementation (),
- ly_symbol2scm ("LeftEdge"),
- SCM_EOL
- );
+ Context *origin = inf.origin_contexts (this)[0];
+ 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_);
}
-
+
add_to_group (align_name, item);
}
}
void
-Break_align_engraver::add_to_group (SCM align_name, Item*item)
+Break_align_engraver::add_to_group (SCM align_name, Item *item)
{
SCM s = scm_assoc (align_name, column_alist_);
- Item * group = 0;
+ Item *group = 0;
if (s != SCM_BOOL_F)
{
- Grob *e = unsmob_grob (scm_cdr (s));
- group = dynamic_cast<Item*> (e);
+ Grob *e = unsmob_grob (scm_cdr (s));
+ group = dynamic_cast<Item *> (e);
}
else
{
- group = make_item ("BreakAlignGroup", item->self_scm () );
+ group = make_item ("BreakAlignGroup", item->self_scm ());
group->set_property ("break-align-symbol", align_name);
group->set_parent (align_, Y_AXIS);
-
- column_alist_ = scm_assoc_set_x (column_alist_, align_name, group->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,
- "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}. "
- ,
- /* creats*/ "BreakAlignment BreakAlignGroup LeftEdge",
- /* accepts */ "",
- /* acks */ "break-aligned-interface",
- /* reads */ "",
- /* write */ "");
+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}. ",
+ /* creats*/ "BreakAlignment BreakAlignGroup LeftEdge",
+ /* accepts */ "",
+ /* acks */ "break-aligned-interface",
+ /* reads */ "",
+ /* write */ "");