-/*
- 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>
- */
+/*
+ This file is part of LilyPond, the GNU music typesetter.
-#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_p_;
- Link_array<Grob> elts_;
- virtual void initialize ();
- virtual void finalize ();
- virtual void acknowledge_grob (Grob_info);
- virtual void create_grobs ();
- virtual Spanner* get_spanner_p () const;
- virtual void add_element (Grob*) ;
-public:
-TRANSLATOR_DECLARATIONS(Axis_group_engraver );
-};
+ Copyright (C) 1999--2010 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ LilyPond is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-Axis_group_engraver::Axis_group_engraver ()
-{
- staffline_p_ = 0;
-}
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
+*/
-void
-Axis_group_engraver::initialize ()
-{
- staffline_p_ = get_spanner_p ();
+#include "axis-group-engraver.hh"
- Grob * it = unsmob_grob (get_property ("currentCommandColumn"));
+#include "axis-group-interface.hh"
+#include "pointer-group-interface.hh"
+#include "context.hh"
+#include "international.hh"
+#include "spanner.hh"
+#include "warn.hh"
- staffline_p_->set_bound (LEFT,it);
+#include "translator.icc"
- announce_grob(staffline_p_, SCM_EOL);
+Axis_group_engraver::Axis_group_engraver ()
+{
+ staffline_ = 0;
}
-Spanner*
-Axis_group_engraver::get_spanner_p () const
+bool
+Axis_group_engraver::must_be_last () const
{
- return new Spanner (get_property ("VerticalAxisGroup"));
+ return true;
}
void
-Axis_group_engraver::finalize ()
+Axis_group_engraver::process_music ()
{
- String type = daddy_grav_l ()->type_str_ ;
- 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_p_->set_extent (Grob::preset_extent_proc, Y_AXIS);
- staffline_p_->set_grob_property ("extent-Y", dims);
+ staffline_ = get_spanner ();
+ Grob *it = unsmob_grob (get_property ("currentCommandColumn"));
+ staffline_->set_bound (LEFT, it);
}
+}
- dims = get_property ("MinimumVerticalExtent");
- if (gh_pair_p (dims) && gh_number_p (ly_car (dims))
- && gh_number_p (ly_cdr (dims)))
- staffline_p_->set_grob_property ("minimum-extent-Y", dims);
-
- dims = get_property ("ExtraVerticalExtent");
- if (gh_pair_p (dims) && gh_number_p (ly_car (dims))
- && gh_number_p (ly_cdr (dims)))
- staffline_p_->set_grob_property ("extra-extent-Y", dims);
-
- Grob * it = unsmob_grob (get_property ("currentCommandColumn"));
-
+Spanner *
+Axis_group_engraver::get_spanner ()
+{
+ return make_spanner ("VerticalAxisGroup", SCM_EOL);
+}
- staffline_p_->set_bound (RIGHT,it);
+void
+Axis_group_engraver::finalize ()
+{
+ if (staffline_)
+ {
+ Grob *it = unsmob_grob (get_property ("currentCommandColumn"));
+ staffline_->set_bound (RIGHT, it);
- typeset_grob (staffline_p_);
- staffline_p_ = 0;
+ Pointer_group_interface::set_ordered (staffline_, ly_symbol2scm ("elements"), false);
+ }
}
void
Axis_group_engraver::acknowledge_grob (Grob_info i)
{
- elts_.push (i.grob_l_);
+ elts_.push_back (i.grob ());
}
/*
- maybe should check if our parent_l is set, because we now get a
+ 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::create_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_p_, e);
+ Axis_group_interface::add_element (staffline_, e);
}
-////////////////////////////////////////////////////////
-// maybenot such a good idea after all., to put classes in .cc
+ADD_ACKNOWLEDGER (Axis_group_engraver, grob);
-#include "hara-kiri-group-spanner.hh"
-#include "rhythmic-head.hh"
+ADD_TRANSLATOR (Axis_group_engraver,
+ /* doc */
+ "Group all objects created in this context in a"
+ " @code{VerticalAxisGroup} spanner.",
-class Hara_kiri_engraver : public Axis_group_engraver
-{
-protected:
- virtual Spanner*get_spanner_p ()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_p_, e);
-}
+ /* create */
+ "VerticalAxisGroup ",
+ /* read */
+ "currentCommandColumn ",
-Spanner*
-Hara_kiri_engraver::get_spanner_p () 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_l_)
- || i.grob_l_->internal_has_interface (ly_symbol2scm ("lyric-syllable-interface")))
- {
- Hara_kiri_group_spanner::add_interesting_item (staffline_p_, i.grob_l_);
- }
-}
-
-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",
-/* acks */ "grob-interface",
-/* reads */ "",
-/* write */ "");
-
-ENTER_DESCRIPTION(Axis_group_engraver,
-/* descr */ "Group all objects created in this context in a VerticalAxisGroup spanner.",
-/* creats*/ "VerticalAxisGroup",
-/* acks */ "grob-interface",
-/* reads */ "VerticalExtent MinimumVerticalExtent ExtraVerticalExtent",
-/* write */ "");
+ /* write */
+ ""
+ );