-/*
- 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--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
- */
-#include "spanner.hh"
-#include "paper-column.hh"
+ (c) 1999--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+*/
+
+#include "axis-group-engraver.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_p_;
- Link_array<Score_element> elts_;
- virtual void do_creation_processing();
- virtual void do_removal_processing();
- virtual void acknowledge_element (Score_element_info);
- virtual void process_acknowledged ();
- virtual Spanner* get_spanner_p () const;
- virtual void add_element (Score_element*) ;
-public:
-
- VIRTUAL_COPY_CONS(Translator);
- Axis_group_engraver ();
-};
-
-ADD_THIS_TRANSLATOR(Axis_group_engraver);
+#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 ()
{
- staffline_p_ = 0;
+ must_be_last_ = true;
+ staffline_ = 0;
}
void
-Axis_group_engraver::do_creation_processing ()
+Axis_group_engraver::process_music ()
{
- staffline_p_ = get_spanner_p ();
- Axis_group_interface::set_interface (staffline_p_);
- Axis_group_interface::set_axes (staffline_p_, Y_AXIS, Y_AXIS);
-
- Score_element * it = unsmob_element (get_property ("currentCommandColumn"));
- Pointer_group_interface (it, "bounded-by-me").add_element (staffline_p_);
- staffline_p_->set_bound(LEFT,it);
-
- announce_element (staffline_p_, 0);
+ if (!staffline_)
+ {
+ staffline_ = get_spanner ();
+ Grob *it = unsmob_grob (get_property ("currentCommandColumn"));
+ staffline_->set_bound (LEFT, it);
+ }
}
-Spanner*
-Axis_group_engraver::get_spanner_p () const
+Spanner *
+Axis_group_engraver::get_spanner ()
{
- return new Spanner (get_property ("basicVerticalAxisGroupProperties"));
+ return make_spanner ("VerticalAxisGroup", SCM_EOL);
}
+/*
+ TODO: should we junk minimumVerticalExtent/extraVerticalExtent ?
+*/
+
void
-Axis_group_engraver::do_removal_processing ()
+Axis_group_engraver::finalize ()
{
- String type = daddy_grav_l ()->type_str_ ;
- SCM dims = get_property ((type + "VerticalExtent").ch_C());
-
- if (gh_pair_p (dims) && gh_number_p (gh_car (dims))
- && gh_number_p (gh_cdr (dims)))
+ if (staffline_)
{
- staffline_p_->set_extent_callback (&Score_element::preset_extent, Y_AXIS);
- staffline_p_->set_elt_property ("extent-Y", dims);
- }
-
- dims = get_property ((type + "MinimumVerticalExtent").ch_C());
- if (gh_pair_p (dims) && gh_number_p (gh_car (dims))
- && gh_number_p (gh_cdr (dims)))
- staffline_p_->set_elt_property ("minimum-extent-Y", dims);
+ Grob *it = unsmob_grob (get_property ("currentCommandColumn"));
+ staffline_->set_bound (RIGHT, it);
- dims = get_property ((type + "ExtraVerticalExtent").ch_C());
- if (gh_pair_p (dims) && gh_number_p (gh_car (dims))
- && gh_number_p (gh_cdr (dims)))
- staffline_p_->set_elt_property ("extra-extent-Y", dims);
-
-Score_element * it = unsmob_element (get_property ("currentCommandColumn"));
-
- Pointer_group_interface (it, "bounded-by-me").add_element (staffline_p_);
- staffline_p_->set_bound(RIGHT,it);
-
- typeset_element (staffline_p_);
- staffline_p_ = 0;
+ Pointer_group_interface::set_ordered (staffline_, ly_symbol2scm ("elements"), false);
+ }
}
void
-Axis_group_engraver::acknowledge_element (Score_element_info i)
+Axis_group_engraver::acknowledge_grob (Grob_info i)
{
- elts_.push (i.elem_l_);
+ elts_.push_back (i.grob ());
}
+/*
+ maybe should check if our parent is set, because we now get a
+ cyclic parent relationship if we have two Axis_group_engravers in
+ the context. */
void
Axis_group_engraver::process_acknowledged ()
{
- /* UGH UGH UGH */
- for (int i=0; i < elts_.size (); i++)
- {
- Score_element *par = elts_[i]->parent_l (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 (Score_element*e)
-{
- Axis_group_interface::add_element (staffline_p_, e);
-}
-
-////////////////////////////////////////////////////////
-
-// maybenot sucsh a good idea after all.
-
-#include "hara-kiri-group-spanner.hh"
-#include "rhythmic-head.hh"
-
-class Hara_kiri_engraver : public Axis_group_engraver
-{
-protected:
- virtual Spanner*get_spanner_p ()const;
- virtual void acknowledge_element (Score_element_info);
- virtual void add_element (Score_element *e);
-public:
- VIRTUAL_COPY_CONS(Translator);
-};
-
-void
-Hara_kiri_engraver::add_element (Score_element*e)
+Axis_group_engraver::add_element (Grob *e)
{
- Hara_kiri_group_spanner::add_element (staffline_p_, e);
+ Axis_group_interface::add_element (staffline_, e);
}
+ADD_ACKNOWLEDGER (Axis_group_engraver, grob);
-Spanner*
-Hara_kiri_engraver::get_spanner_p () const
-{
- Spanner * sp = new Spanner (get_property ("basicHaraKiriVerticalGroupspannerProperties"));
- Hara_kiri_group_spanner::set_interface (sp);
- return sp;
-}
+ADD_TRANSLATOR (Axis_group_engraver,
+ /* doc */ "Group all objects created in this context in a VerticalAxisGroup spanner.",
+ /* create */ "VerticalAxisGroup",
+ /* accept */ "",
+ /* read */
+ "verticalExtent "
+ "minimumVerticalExtent "
+ "extraVerticalExtent ",
-void
-Hara_kiri_engraver::acknowledge_element (Score_element_info i)
-{
- Axis_group_engraver::acknowledge_element (i);
- if (Rhythmic_head::has_interface (i.elem_l_))
- {
- Hara_kiri_group_spanner::add_interesting_item (staffline_p_, i.elem_l_);
- }
-}
-ADD_THIS_TRANSLATOR(Hara_kiri_engraver);
+ /* write */ "");
projects / lilypond.git / blobdiff