-/*
- 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--2002 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"
-
-/**
- Put stuff in a Spanner with an Axis_group_interface.
- Use as last element of a context.
- */
-class Axis_group_engraver : public Engraver
-{
-protected:
- Spanner *staffline_;
- Link_array<Grob> elts_;
- virtual void initialize ();
- virtual void finalize ();
- virtual void acknowledge_grob (Grob_info);
- virtual void process_acknowledged_grobs ();
- virtual Spanner* get_spanner () const;
- virtual void add_element (Grob*) ;
-public:
-TRANSLATOR_DECLARATIONS(Axis_group_engraver );
-};
+ (c) 1999--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
+*/
+#include "axis-group-engraver.hh"
+#include "axis-group-interface.hh"
+#include "pointer-group-interface.hh"
+#include "context.hh"
+#include "international.hh"
+#include "spanner.hh"
+#include "warn.hh"
+
+#include "translator.icc"
Axis_group_engraver::Axis_group_engraver ()
{
+ must_be_last_ = true;
staffline_ = 0;
}
void
-Axis_group_engraver::initialize ()
+Axis_group_engraver::process_music ()
{
- staffline_ = get_spanner ();
-
- Grob * it = unsmob_grob (get_property ("currentCommandColumn"));
-
- staffline_->set_bound (LEFT,it);
-
- announce_grob(staffline_, SCM_EOL);
+ if (!staffline_)
+ {
+ staffline_ = get_spanner ();
+ Grob *it = unsmob_grob (get_property ("currentCommandColumn"));
+ staffline_->set_bound (LEFT, it);
+ }
}
-Spanner*
-Axis_group_engraver::get_spanner () const
+Spanner *
+Axis_group_engraver::get_spanner ()
{
- return new Spanner (get_property ("VerticalAxisGroup"));
+ return make_spanner ("VerticalAxisGroup", SCM_EOL);
}
void
Axis_group_engraver::finalize ()
{
- String type = get_daddy_grav ()->type_string_ ;
- SCM dims = get_property ("verticalExtent");
-
- if (gh_pair_p (dims) && gh_number_p (ly_car (dims))
- && gh_number_p (ly_cdr (dims)))
+ if (staffline_)
{
- staffline_->set_extent (Grob::preset_extent_proc, Y_AXIS);
- staffline_->set_grob_property ("Y-extent", dims);
- }
-
- dims = get_property ("minimumVerticalExtent");
- if (gh_pair_p (dims) && gh_number_p (ly_car (dims))
- && gh_number_p (ly_cdr (dims)))
- staffline_->set_grob_property ("minimum-Y-extent", dims);
-
- dims = get_property ("extraVerticalExtent");
- if (gh_pair_p (dims) && gh_number_p (ly_car (dims))
- && gh_number_p (ly_cdr (dims)))
- staffline_->set_grob_property ("extra-Y-extent", dims);
-
- Grob * it = unsmob_grob (get_property ("currentCommandColumn"));
-
-
- staffline_->set_bound (RIGHT,it);
+ Grob *it = unsmob_grob (get_property ("currentCommandColumn"));
+ staffline_->set_bound (RIGHT, it);
- typeset_grob (staffline_);
- staffline_ = 0;
+ Pointer_group_interface::set_ordered (staffline_, ly_symbol2scm ("elements"), false);
+ }
}
void
Axis_group_engraver::acknowledge_grob (Grob_info i)
{
- elts_.push (i.grob_);
+ elts_.push_back (i.grob ());
}
/*
cyclic parent relationship if we have two Axis_group_engravers in
the context. */
void
-Axis_group_engraver::process_acknowledged_grobs ()
+Axis_group_engraver::process_acknowledged ()
{
- /* UGH UGH UGH */
- for (int i=0; i < elts_.size (); i++)
- {
- Grob *par = elts_[i]->get_parent (Y_AXIS);
+ if (!staffline_)
+ return;
- if ((!par || !Axis_group_interface::has_interface (par))
- && ! elts_[i]->empty_b (Y_AXIS))
- add_element (elts_[i]);
+ for (vsize i = 0; i < elts_.size (); i++)
+ {
+ if (!unsmob_grob (elts_[i]->get_object ("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;
+ }
+ 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 classes in .cc
-
-#include "hara-kiri-group-spanner.hh"
-#include "rhythmic-head.hh"
+ADD_ACKNOWLEDGER (Axis_group_engraver, grob);
-class Hara_kiri_engraver : public Axis_group_engraver
-{
-protected:
- virtual Spanner*get_spanner ()const;
- virtual void acknowledge_grob (Grob_info);
- virtual void add_element (Grob *e);
-public:
- TRANSLATOR_DECLARATIONS(Hara_kiri_engraver);
-};
-
-void
-Hara_kiri_engraver::add_element (Grob*e)
-{
- Hara_kiri_group_spanner::add_element (staffline_, e);
-}
+ADD_TRANSLATOR (Axis_group_engraver,
+ /* doc */
+ "Group all objects created in this context in a"
+ " @code{VerticalAxisGroup} spanner.",
+ /* create */
+ "VerticalAxisGroup ",
-Spanner*
-Hara_kiri_engraver::get_spanner () const
-{
- Spanner * sp = new Spanner (get_property ("HaraKiriVerticalGroup"));
-
- return sp;
-}
-
-void
-Hara_kiri_engraver::acknowledge_grob (Grob_info i)
-{
- Axis_group_engraver::acknowledge_grob (i);
- if (Rhythmic_head::has_interface (i.grob_)
- || i.grob_->internal_has_interface (ly_symbol2scm ("lyric-syllable-interface")))
- {
- Hara_kiri_group_spanner::add_interesting_item (staffline_, i.grob_);
- }
-}
+ /* read */
+ "currentCommandColumn ",
-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*/ "HaraKiriVerticalGroup",
-/* 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 */ "");
+ /* write */
+ ""
+ );
projects / lilypond.git / blobdiff