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/*
Copyright (C) 2016 Paul Davis
Author: David Robillard
This program 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 2 of the License, or
(at your option) any later version.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __ardour_midi_cursor_h__
#define __ardour_midi_cursor_h__
#include <set>
#include <boost/utility.hpp>
#include "ardour/types.h"
#include "evoral/Beats.hpp"
#include "evoral/Sequence.hpp"
#include "pbd/signals.h"
namespace ARDOUR {
struct MidiCursor : public boost::noncopyable {
MidiCursor() : last_read_end(0) {}
void connect(PBD::Signal1<void, bool>& invalidated) {
connections.drop_connections();
invalidated.connect_same_thread(
connections, boost::bind(&MidiCursor::invalidate, this, _1));
}
void invalidate(bool preserve_notes) {
iter.invalidate(preserve_notes ? &active_notes : NULL);
last_read_end = 0;
}
Evoral::Sequence<Evoral::Beats>::const_iterator iter;
std::set<Evoral::Sequence<Evoral::Beats>::WeakNotePtr> active_notes;
framepos_t last_read_end;
PBD::ScopedConnectionList connections;
};
}
#endif /* __ardour_midi_cursor_h__ */
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