vtkUndoStack.h

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// ----------------------------------------------------------------------------
// -                        CloudViewer: www.cloudViewer.org                  -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.cloudViewer.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#pragma once
 
#include "qPCL.h"  // needed for export macro
#include "vtkObject.h"
 
class vtkUndoStackInternal;
class vtkUndoSet;
 
class QPCL_ENGINE_LIB_API vtkUndoStack : public vtkObject {
public:
    enum EventIds { UndoSetRemovedEvent = 1989, UndoSetClearedEvent = 1990 };
 
    static vtkUndoStack* New();
    vtkTypeMacro(vtkUndoStack, vtkObject);
    void PrintSelf(ostream& os, vtkIndent indent) override;
 
    virtual void Push(const char* label, vtkUndoSet* changeSet);
 
    const char* GetUndoSetLabel(unsigned int position);
 
    const char* GetRedoSetLabel(unsigned int position);
 
    unsigned int GetNumberOfUndoSets();
 
    unsigned int GetNumberOfRedoSets();
 
    int CanUndo() { return (this->GetNumberOfUndoSets() > 0); }
 
    int CanRedo() { return (this->GetNumberOfRedoSets() > 0); }
 
    virtual vtkUndoSet* GetNextUndoSet();
 
    virtual vtkUndoSet* GetNextRedoSet();
 
    virtual int Undo();
 
    virtual int Redo();
 
    void PopUndoStack();
 
    void PopRedoStack();
 
    void Clear();
 
 
    vtkGetMacro(InUndo, bool);
 
 
    vtkGetMacro(InRedo, bool);
 
 
    vtkSetClampMacro(StackDepth, int, 1, 100);
    vtkGetMacro(StackDepth, int);
 
protected:
    vtkUndoStack();
    ~vtkUndoStack() override;
 
    vtkUndoStackInternal* Internal;
    int StackDepth;
 
private:
    vtkUndoStack(const vtkUndoStack&) = delete;
    void operator=(const vtkUndoStack&) = delete;
 
    bool InUndo;
    bool InRedo;
};