107 lines
1.9 KiB
C++
107 lines
1.9 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2022 Olive Team
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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 3 of the License, or
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(at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#ifndef UNDOCOMMAND_H
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#define UNDOCOMMAND_H
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#include <list>
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#include <QString>
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#include <vector>
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#include "common/define.h"
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namespace olive {
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class Project;
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class UndoCommand
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{
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public:
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UndoCommand();
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virtual ~UndoCommand(){}
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DISABLE_COPY_MOVE(UndoCommand)
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bool has_prepared() const {return prepared_;}
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void set_prepared(bool e) {prepared_ = true;}
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void redo_now();
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void undo_now();
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void redo_and_set_modified();
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void undo_and_set_modified();
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virtual Project* GetRelevantProject() const = 0;
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protected:
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virtual void prepare(){}
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virtual void redo() = 0;
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virtual void undo() = 0;
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private:
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bool modified_;
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Project* project_;
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bool prepared_;
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bool done_;
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};
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class MultiUndoCommand : public UndoCommand
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{
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public:
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MultiUndoCommand() = default;
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virtual Project* GetRelevantProject() const override
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{
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return nullptr;
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}
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void add_child(UndoCommand* command)
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{
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children_.push_back(command);
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}
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int child_count() const
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{
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return children_.size();
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}
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UndoCommand* child(int i) const
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{
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return children_[i];
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}
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protected:
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virtual void redo() override;
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virtual void undo() override;
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private:
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std::vector<UndoCommand*> children_;
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};
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}
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#endif // UNDOCOMMAND_H
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