/*
- cluster-engraver.cc -- implement Cluster_engraver
+ This file is part of LilyPond, the GNU music typesetter.
- (c) 2002--2004 Juergen Reuter <reuter@ipd.uka.de>
+ Copyright (C) 2002--2015 Juergen Reuter <reuter@ipd.uka.de>
+ Han-Wen Nienhuys <hanwen@xs4all.nl>
- Han-Wen Nienhuys <hanwen@cs.uu.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 "engraver.hh"
-#include "item.hh"
#include "spanner.hh"
#include "note-head.hh"
#include "note-column.hh"
-#include "group-interface.hh"
+#include "pointer-group-interface.hh"
+#include "pitch.hh"
+#include "stream-event.hh"
+#include "item.hh"
+
+#include "translator.icc"
class Cluster_spanner_engraver : public Engraver
{
protected:
TRANSLATOR_DECLARATIONS (Cluster_spanner_engraver);
- virtual bool try_music (Music *);
- virtual void process_music ();
- virtual void acknowledge_grob (Grob_info);
- virtual void stop_translation_timestep ();
+ void listen_cluster_note (Stream_event *);
+ void acknowledge_note_column (Grob_info);
+ void stop_translation_timestep ();
+ virtual void process_music ();
virtual void finalize ();
private:
- Link_array<Music> cluster_notes_;
- Item* beacon_;
+ vector<Stream_event *> cluster_notes_;
+ Item *beacon_;
void typeset_grobs ();
Spanner *spanner_;
- Spanner * finished_spanner_ ;
+ Spanner *finished_spanner_;
};
-Cluster_spanner_engraver::Cluster_spanner_engraver ()
+Cluster_spanner_engraver::Cluster_spanner_engraver (Context *c)
+ : Engraver (c)
{
spanner_ = 0;
finished_spanner_ = 0;
void
Cluster_spanner_engraver::typeset_grobs ()
{
- if (finished_spanner_ )
+ if (finished_spanner_)
{
- typeset_grob (finished_spanner_);
- finished_spanner_ = 0;
- }
+ if (!finished_spanner_->get_bound (RIGHT))
+ {
+ finished_spanner_->set_bound (RIGHT,
+ finished_spanner_->get_bound (LEFT));
- if (beacon_)
- {
- typeset_grob (beacon_);
- beacon_ = 0;
+ }
+
+ finished_spanner_ = 0;
}
+ beacon_ = 0;
}
-bool
-Cluster_spanner_engraver::try_music (Music *m)
+void
+Cluster_spanner_engraver::listen_cluster_note (Stream_event *ev)
{
- if (m->is_mus_type ("cluster-note-event"))
- {
- cluster_notes_.push (m);
- return true;
- }
- return false;
+ cluster_notes_.push_back (ev);
}
void
{
SCM c0scm = get_property ("middleCPosition");
- int c0 = ly_number_p (c0scm) ? ly_scm2int (c0scm) : 0;
+ int c0 = scm_is_number (c0scm) ? scm_to_int (c0scm) : 0;
int pmax = INT_MIN;
int pmin = INT_MAX;
-
- for (int i = 0; i <cluster_notes_.size (); i++)
- {
- Pitch *pit =unsmob_pitch (cluster_notes_[i]->get_property ("pitch"));
-
- int p =( pit ? pit->steps () : 0) + c0;
-
- pmax = pmax >? p;
- pmin = pmin <? p;
- }
-
- beacon_ = make_item ("ClusterSpannerBeacon");
+
+ for (vsize i = 0; i < cluster_notes_.size (); i++)
+ {
+ Pitch *pit = unsmob<Pitch> (cluster_notes_[i]->get_property ("pitch"));
+
+ int p = (pit ? pit->steps () : 0) + c0;
+
+ pmax = max (pmax, p);
+ pmin = min (pmin, p);
+ }
+
+ beacon_ = make_item ("ClusterSpannerBeacon", cluster_notes_[0]->self_scm ());
beacon_->set_property ("positions",
- scm_cons (scm_int2num (pmin),
- scm_int2num (pmax)));
- announce_grob (beacon_, cluster_notes_[0]->self_scm ());
+ scm_cons (scm_from_int (pmin),
+ scm_from_int (pmax)));
}
if (beacon_ && !spanner_)
- {
- spanner_ = make_spanner ("ClusterSpanner");
- announce_grob (spanner_, cluster_notes_[0]->self_scm ());
- }
-
+ spanner_ = make_spanner ("ClusterSpanner", cluster_notes_[0]->self_scm ());
+
if (beacon_ && spanner_)
{
add_bound_item (spanner_, beacon_);
}
}
-
void
Cluster_spanner_engraver::stop_translation_timestep ()
{
typeset_grobs ();
-
cluster_notes_.clear ();
-
}
void
-Cluster_spanner_engraver::acknowledge_grob (Grob_info info)
+Cluster_spanner_engraver::acknowledge_note_column (Grob_info info)
{
- if (!beacon_ && Note_column::has_interface (info.grob_))
+ if (!beacon_ && has_interface<Note_column> (info.grob ()))
{
finished_spanner_ = spanner_;
spanner_ = 0;
}
}
-ENTER_DESCRIPTION (Cluster_spanner_engraver,
-/* descr */ "Engraves a cluster using Spanner notation ",
-/* creats*/ "ClusterSpanner ClusterSpannerBeacon",
-/* accepts */ "cluster-note-event",
-/* acks */ "note-column-interface",
-/* reads */ "",
-/* write */ "");
+void
+Cluster_spanner_engraver::boot ()
+{
+ ADD_LISTENER (Cluster_spanner_engraver, cluster_note);
+ ADD_ACKNOWLEDGER (Cluster_spanner_engraver, note_column);
+}
+
+ADD_TRANSLATOR (Cluster_spanner_engraver,
+ /* doc */
+ "Engrave a cluster using @code{Spanner} notation.",
+
+ /* create */
+ "ClusterSpanner "
+ "ClusterSpannerBeacon ",
+
+ /* read */
+ "",
+
+ /* write */
+ ""
+ );