resize_node.h

#pragma once
 
#include <QSizeF>
#include <QUndoCommand>
 
class Canvas;
class QString;

class ResizeNodeCommand : public QUndoCommand
{
public:
  ResizeNodeCommand(Canvas* canvas, const QString& nodeId, const QSizeF& previousSize, const QSizeF& currentSize, QUndoCommand* parent = nullptr);

  void undo() override;

  void redo() override;
 
private:
  Canvas* mCanvas = nullptr;  
  const QString mNodeId;      
  const QSizeF mPreviousSize; 
  const QSizeF mCurrentSize;   
};