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o3de/Code/Editor/Undo/IUndoObject.h

51 lines
1.5 KiB
C

/*
* Copyright (c) Contributors to the Open 3D Engine Project.
* For complete copyright and license terms please see the LICENSE at the root of this distribution.
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
// Description : Interface for implementation of IUndo objects.
#ifndef CRYINCLUDE_EDITOR_UNDO_IUNDOOBJECT_H
#define CRYINCLUDE_EDITOR_UNDO_IUNDOOBJECT_H
#pragma once
#include <QString>
//! IUndoObject is a interface of general Undo object.
struct IUndoObject
{
// Virtual destructor.
virtual ~IUndoObject() {};
//! Called to delete undo object.
virtual void Release() { delete this; };
//! Return size of this Undo object.
virtual int GetSize() = 0;
//! Return description of this Undo object.
virtual QString GetDescription() = 0;
//! Undo this object.
//! @param bUndo If true this operation called in response to Undo operation.
virtual void Undo(bool bUndo = true) = 0;
//! Redo undone changes on object.
virtual void Redo() = 0;
// Returns the name of undo object
virtual QString GetObjectName(){ return QString(); };
// Returns the name of related editor object.
// Ex: For a undo action which would modify value for var "Emitter Strength" of emitter "Level.example",
// this function will return emitter name "Level.example" - Vera, Confetti
virtual QString GetEditorObjectName() { return QString(); };
virtual bool IsChanged([[maybe_unused]] unsigned int& compareValue) const { return false; }
};
#endif // CRYINCLUDE_EDITOR_UNDO_IUNDOOBJECT_H