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/*
* Copyright (C) 2017 Paul Davis <paul@linuxaudiosystems.com>
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef __ardour_midi_cursor_h__
#define __ardour_midi_cursor_h__
#include <set>
#include <boost/utility.hpp>
#include "pbd/signals.h"
#include "temporal/beats.h"
#include "evoral/Sequence.h"
#include "ardour/types.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<Temporal::Beats>::const_iterator iter;
std::set<Evoral::Sequence<Temporal::Beats>::WeakNotePtr> active_notes;
samplepos_t last_read_end;
PBD::ScopedConnectionList connections;
};
}
#endif /* __ardour_midi_cursor_h__ */
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