You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
o3de/Code/Sandbox/Editor/Undo/IUndoObject.h

55 lines
1.9 KiB
C

/*
* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
* its licensors.
*
* For complete copyright and license terms please see the LICENSE at the root of this
* distribution (the "License"). All use of this software is governed by the License,
* or, if provided, by the license below or the license accompanying this file. Do not
* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
*/
// Original file Copyright Crytek GMBH or its affiliates, used under license.
// 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