61 lines
1.8 KiB
C++
61 lines
1.8 KiB
C++
/*
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* Copyright (C) 2017 Paul Davis <paul@linuxaudiosystems.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef __ardour_midi_cursor_h__
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#define __ardour_midi_cursor_h__
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#include <set>
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#include <boost/utility.hpp>
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#include "pbd/signals.h"
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#include "temporal/beats.h"
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#include "evoral/Sequence.h"
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#include "ardour/types.h"
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namespace ARDOUR {
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struct MidiCursor : public boost::noncopyable {
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MidiCursor() {}
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void connect(PBD::Signal1<void, bool>& invalidated) {
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connections.drop_connections();
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invalidated.connect_same_thread (connections, boost::bind(&MidiCursor::invalidate, this, _1));
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}
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void invalidate(bool preserve_notes) {
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iter.invalidate (preserve_notes);
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/* maintain time domain while resetting to zero */
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last_read_end = Temporal::timepos_t (last_read_end.time_domain());
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}
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Evoral::Sequence<Temporal::Beats>::const_iterator iter;
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std::set<Evoral::Sequence<Temporal::Beats>::WeakNotePtr> active_notes;
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timepos_t last_read_end;
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PBD::ScopedConnectionList connections;
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};
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}
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#endif /* __ardour_midi_cursor_h__ */
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