/*
This file is part of Ingen.
Copyright 2016 David Robillard
Ingen is free software: you can redistribute it and/or modify it under the
terms of the GNU Affero General Public License as published by the Free
Software Foundation, either version 3 of the License, or any later version.
Ingen 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 Affero General Public License for details.
You should have received a copy of the GNU Affero General Public License
along with Ingen. If not, see .
*/
#ifndef INGEN_EVENTS_UNDO_HPP
#define INGEN_EVENTS_UNDO_HPP
#include "Event.hpp"
#include "UndoStack.hpp"
#include "types.hpp"
#include
namespace ingen {
class Interface;
struct Redo;
struct Undo;
namespace server {
class Engine;
class PreProcessContext;
class RunContext;
namespace events {
/** A request to undo the last change to the engine.
*
* \ingroup engine
*/
class Undo : public Event
{
public:
Undo(Engine& engine,
const std::shared_ptr& client,
SampleCount timestamp,
const ingen::Undo& msg);
Undo(Engine& engine,
const std::shared_ptr& client,
SampleCount timestamp,
const ingen::Redo& msg);
bool pre_process(PreProcessContext& ctx) override;
void execute(RunContext& ctx) override;
void post_process() override;
private:
UndoStack::Entry _entry;
bool _is_redo;
};
} // namespace events
} // namespace server
} // namespace ingen
#endif // INGEN_EVENTS_UNDO_HPP