-/*
- 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>
- */
+/*
+ This file is part of LilyPond, the GNU music typesetter.
+
+ Copyright (C) 1999--2015 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.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
+*/
-#include "spanner.hh"
-#include "paper-column.hh"
-#include "axis-group-interface.hh"
#include "engraver.hh"
-#include "engraver-group-engraver.hh"
-#include "warn.hh"
+
+#include "axis-group-interface.hh"
+#include "hara-kiri-group-spanner.hh"
+#include "pointer-group-interface.hh"
#include "context.hh"
+#include "international.hh"
+#include "spanner.hh"
+#include "warn.hh"
+
+#include "translator.icc"
/**
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:
+ bool active_;
Spanner *staffline_;
- Link_array<Grob> elts_;
- virtual void process_music ();
+ SCM interesting_;
+ vector<Grob *> elts_;
+ void process_music ();
+ virtual void initialize ();
virtual void finalize ();
- virtual void acknowledge_grob (Grob_info);
- virtual void process_acknowledged_grobs ();
- virtual Spanner* get_spanner () ;
- virtual void add_element (Grob*) ;
-public:
- TRANSLATOR_DECLARATIONS(Axis_group_engraver);
+ DECLARE_ACKNOWLEDGER (grob);
+ void process_acknowledged ();
+ virtual Spanner *get_spanner ();
+ virtual void add_element (Grob *);
+ virtual bool must_be_last () const;
+ virtual void derived_mark () const;
+
+public:
+ TRANSLATOR_DECLARATIONS (Axis_group_engraver);
};
+
Axis_group_engraver::Axis_group_engraver ()
{
staffline_ = 0;
+ interesting_ = SCM_EOL;
+ active_ = false;
}
void
-Axis_group_engraver::process_music ()
+Axis_group_engraver::initialize ()
{
- if (!staffline_)
- {
- staffline_ = get_spanner ();
+ active_ = !to_boolean (get_property ("hasAxisGroup"));
+ if (active_)
+ context ()->set_property ("hasAxisGroup", SCM_BOOL_T);
+}
- Grob * it = unsmob_grob (get_property ("currentCommandColumn"));
+void
+Axis_group_engraver::derived_mark () const
+{
+ scm_gc_mark (interesting_);
+}
- staffline_->set_bound (LEFT,it);
- announce_grob(staffline_, SCM_EOL);
- }
-}
+bool
+Axis_group_engraver::must_be_last () const
+{
+ return true;
+}
-Spanner*
-Axis_group_engraver::get_spanner ()
+void
+Axis_group_engraver::process_music ()
{
- return make_spanner ("VerticalAxisGroup");
+ if (!staffline_ && active_)
+ {
+ staffline_ = get_spanner ();
+ Grob *it = Grob::unsmob (get_property ("currentCommandColumn"));
+ staffline_->set_bound (LEFT, it);
+ }
+ interesting_ = get_property ("keepAliveInterfaces");
}
-/*
- TODO: should we junk minimumVerticalExtent/extraVerticalExtent ?
- */
+Spanner *
+Axis_group_engraver::get_spanner ()
+{
+ return make_spanner ("VerticalAxisGroup", SCM_EOL);
+}
void
Axis_group_engraver::finalize ()
{
- if (!staffline_)
- return ;
-
- String type = daddy_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) )
- 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"));
-
- staffline_->set_bound (RIGHT,it);
+ if (staffline_)
+ {
+ Grob *it = Grob::unsmob (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_);
+ if (staffline_)
+ elts_.push_back (i.grob ());
+
+ if (staffline_ && to_boolean(staffline_->get_property("remove-empty")))
+ {
+ for (SCM s = interesting_; scm_is_pair (s); s = scm_cdr (s))
+ {
+ if (i.grob ()->internal_has_interface (scm_car (s)))
+ Hara_kiri_group_spanner::add_interesting_item (staffline_, 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++)
+ if (!staffline_)
+ return;
+
+ for (vsize 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 (!Grob::is_smob (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 class declarations in
- .cc
-
-*/
-
-#include "hara-kiri-group-spanner.hh"
-#include "rhythmic-head.hh"
-
-class Hara_kiri_engraver : public Axis_group_engraver
-{
-protected:
- virtual Spanner*get_spanner ();
- 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_ACKNOWLEDGER (Axis_group_engraver, grob);
-Spanner*
-Hara_kiri_engraver::get_spanner ()
-{
- Spanner * sp = make_spanner ("RemoveEmptyVerticalGroup");
-
- return sp;
-}
+ADD_TRANSLATOR (Axis_group_engraver,
+ /* doc */
+ "Group all objects created in this context in a"
+ " @code{VerticalAxisGroup} spanner.",
-void
-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"))
- )
- {
- Hara_kiri_group_spanner::add_interesting_item (staffline_, i.grob_);
- }
-}
-
-
-Hara_kiri_engraver::Hara_kiri_engraver()
-{
-}
+ /* create */
+ "VerticalAxisGroup ",
-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 */ "");
+ /* read */
+ "currentCommandColumn "
+ "keepAliveInterfaces "
+ "hasAxisGroup ",
+
+ /* write */
+ "hasAxisGroup "
+ );
projects / lilypond.git / blobdiff