74 lines
2.1 KiB
C++
74 lines
2.1 KiB
C++
/*
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* Copyright (C) 2023 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 __temporal_domain_swap_h__
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#define __temporal_domain_swap_h__
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#include <set>
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#include "pbd/command.h"
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#include "pbd/destructible.h"
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#include "pbd/signals.h"
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#include "temporal/types.h"
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#include "temporal/timeline.h"
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namespace Temporal {
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typedef std::map<timepos_t*,timepos_t> TimeDomainPosChanges;
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typedef std::map<timecnt_t*,timecnt_t> TimeDomainCntChanges;
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struct LIBTEMPORAL_API DomainBounceInfo;
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struct LIBTEMPORAL_API TimeDomainSwapper : public virtual PBD::Destructible {
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public:
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virtual ~TimeDomainSwapper() {}
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virtual void start_domain_bounce (DomainBounceInfo&) = 0;
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virtual void finish_domain_bounce (DomainBounceInfo&) = 0;
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};
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/* A DomainBounceInfo functions in two roles:
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*
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* 1. as part of an UndoTransaction reflecting actions taken by a user that
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* modified time domains of one or more objects.
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*
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* 2. as a standalone object used during temporary domain swaps that records
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* (perhaps opaquely) what was changed and provides a way to revert it.
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*/
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struct LIBTEMPORAL_API DomainBounceInfo
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{
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DomainBounceInfo (TimeDomain f, TimeDomain t, bool m = false)
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: from (f)
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, to (t)
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, move_markers (m)
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{}
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const TimeDomain from;
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const TimeDomain to;
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TimeDomainPosChanges positions;
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TimeDomainCntChanges counts;
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bool move_markers;
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};
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}
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#endif /* __tmeporal_domain_swap_h__ */
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