-/*
- axis-group-engraver.cc -- implement Axis_group_engraver
-
+/*
+ axis-group-engraver.cc -- implement Axis_group_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 "spanner.hh"
#include "paper-column.hh"
#include "axis-group-interface.hh"
-#include "engraver.hh"
#include "engraver-group-engraver.hh"
#include "warn.hh"
#include "context.hh"
/**
Put stuff in a Spanner with an Axis_group_interface.
- Use as last element of a context.
- */
+ Use as last element of a context.
+*/
class Axis_group_engraver : public Engraver
{
protected:
virtual void finalize ();
virtual void acknowledge_grob (Grob_info);
virtual void process_acknowledged_grobs ();
- virtual Spanner* get_spanner () ;
- virtual void add_element (Grob*) ;
-public:
+ virtual Spanner *get_spanner ();
+ virtual void add_element (Grob *);
+public:
TRANSLATOR_DECLARATIONS (Axis_group_engraver);
};
Axis_group_engraver::Axis_group_engraver ()
{
+ must_be_last_ = true;
staffline_ = 0;
}
if (!staffline_)
{
staffline_ = get_spanner ();
-
- Grob * it = unsmob_grob (get_property ("currentCommandColumn"));
-
- staffline_->set_bound (LEFT,it);
-
- announce_grob (staffline_, SCM_EOL);
+ Grob *it = unsmob_grob (get_property ("currentCommandColumn"));
+ staffline_->set_bound (LEFT, it);
}
-}
+}
-Spanner*
-Axis_group_engraver::get_spanner ()
+Spanner *
+Axis_group_engraver::get_spanner ()
{
- return make_spanner ("VerticalAxisGroup");
+ return make_spanner ("VerticalAxisGroup", SCM_EOL);
}
/*
- TODO: should we junk minimumVerticalExtent/extraVerticalExtent ?
- */
+ TODO: should we junk minimumVerticalExtent/extraVerticalExtent ?
+*/
void
Axis_group_engraver::finalize ()
{
if (!staffline_)
- return ;
-
+ return;
+
String type = context ()->context_name ();
SCM dims = get_property ("verticalExtent");
-
+
if (is_number_pair (dims))
staffline_->set_extent (dims, Y_AXIS);
dims = get_property ("minimumVerticalExtent");
- if (is_number_pair (dims) )
+ if (is_number_pair (dims))
staffline_->set_property ("minimum-Y-extent", dims);
dims = get_property ("extraVerticalExtent");
if (is_number_pair (dims))
staffline_->set_property ("extra-Y-extent", dims);
- Grob * it = unsmob_grob (get_property ("currentCommandColumn"));
+ Grob *it = unsmob_grob (get_property ("currentCommandColumn"));
- staffline_->set_bound (RIGHT,it);
+ staffline_->set_bound (RIGHT, it);
- typeset_grob (staffline_);
staffline_ = 0;
}
void
Axis_group_engraver::process_acknowledged_grobs ()
{
- /* UGH UGH UGH */
- for (int i=0; i < elts_.size (); i++)
+ if (!staffline_)
+ return;
+
+ for (int i = 0; i < elts_.size (); i++)
{
- Grob *par = elts_[i]->get_parent (Y_AXIS);
-
- if (!par || !Axis_group_interface::has_interface (par))
- if (elts_[i]->is_empty (Y_AXIS))
- {
- /*
- We have to do _something_, otherwise staff objects will
- end up with System as parent.
-
- */
- elts_[i]->set_parent (staffline_, Y_AXIS);
- }
- else
- add_element (elts_[i]);
+ if (!unsmob_grob (elts_[i]->get_property ("axis-group-parent-Y")))
+ {
+ if (staffline_->get_parent (Y_AXIS)
+ && staffline_->get_parent (Y_AXIS) == elts_[i])
+ {
+ staffline_->warning (_ ("Axis_group_engraver: vertical group already has a parent"));
+ staffline_->warning (_ ("are there two Axis_group_engravers?"));
+ staffline_->warning (_ ("removing this vertical group"));
+ staffline_->suicide ();
+ staffline_ = 0;
+ break;
+ }
+ else if (elts_[i]->is_empty (Y_AXIS))
+ {
+ /*
+ We have to do _something_, otherwise staff objects will
+ end up with System as parent.
+
+ */
+ elts_[i]->set_parent (staffline_, Y_AXIS);
+ }
+ else
+ add_element (elts_[i]);
+ }
}
elts_.clear ();
}
void
-Axis_group_engraver::add_element (Grob*e)
+Axis_group_engraver::add_element (Grob *e)
{
Axis_group_interface::add_element (staffline_, e);
}
/****************************************************************/
/*
-
- maybenot such a good idea after all., to put class declarations in
- .cc
-
+ maybenot such a good idea after all., to put class declarations in
+ .cc
*/
#include "hara-kiri-group-spanner.hh"
class Hara_kiri_engraver : public Axis_group_engraver
{
protected:
- virtual Spanner*get_spanner ();
+ virtual Spanner *get_spanner ();
virtual void acknowledge_grob (Grob_info);
virtual void add_element (Grob *e);
public:
};
void
-Hara_kiri_engraver::add_element (Grob*e)
+Hara_kiri_engraver::add_element (Grob *e)
{
Hara_kiri_group_spanner::add_element (staffline_, e);
}
-
-Spanner*
-Hara_kiri_engraver::get_spanner ()
+Spanner *
+Hara_kiri_engraver::get_spanner ()
{
- Spanner * sp = make_spanner ("RemoveEmptyVerticalGroup");
-
+ Spanner *sp = make_spanner ("RemoveEmptyVerticalGroup", SCM_EOL);
+
return sp;
}
Hara_kiri_engraver::acknowledge_grob (Grob_info i)
{
Axis_group_engraver::acknowledge_grob (i);
- if (i.grob_->internal_has_interface (ly_symbol2scm ("rhythmic-grob-interface"))
- || i.grob_->internal_has_interface (ly_symbol2scm ("lyric-interface"))
- )
+ if (staffline_
+ && (i.grob_->internal_has_interface (ly_symbol2scm ("rhythmic-grob-interface"))
+ || i.grob_->internal_has_interface (ly_symbol2scm ("lyric-interface"))))
{
Hara_kiri_group_spanner::add_interesting_item (staffline_, i.grob_);
}
}
-
Hara_kiri_engraver::Hara_kiri_engraver ()
{
}
-ENTER_DESCRIPTION (Hara_kiri_engraver,
-/* descr */ "Like Axis_group_engraver, but make a hara-kiri spanner, and add "
-"interesting items (ie. note heads, lyric syllables and normal rests) ",
-/* creats*/ "RemoveEmptyVerticalGroup",
-/* accepts */ "",
-/* acks */ "grob-interface",
-/* reads */ "",
-/* write */ "");
-
-ENTER_DESCRIPTION (Axis_group_engraver,
-/* descr */ "Group all objects created in this context in a VerticalAxisGroup spanner.",
-/* creats*/ "VerticalAxisGroup",
-/* accepts */ "",
-/* acks */ "grob-interface",
-/* reads */ "verticalExtent minimumVerticalExtent extraVerticalExtent",
-/* write */ "");
+ADD_TRANSLATOR (Hara_kiri_engraver,
+ /* descr */ "Like Axis_group_engraver, but make a hara-kiri spanner, and add "
+ "interesting items (ie. note heads, lyric syllables and normal rests) ",
+ /* creats*/ "RemoveEmptyVerticalGroup",
+ /* accepts */ "",
+ /* acks */ "grob-interface",
+ /* reads */ "",
+ /* write */ "");
+
+ADD_TRANSLATOR (Axis_group_engraver,
+ /* descr */ "Group all objects created in this context in a VerticalAxisGroup spanner.",
+ /* creats*/ "VerticalAxisGroup",
+ /* accepts */ "",
+ /* acks */ "grob-interface",
+ /* reads */ "verticalExtent minimumVerticalExtent extraVerticalExtent",
+ /* write */ "");