move_node.h

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

class MoveNodeCommand : public QUndoCommand
{
public:
  MoveNodeCommand(Canvas* canvas, const QString& nodeId, const QPointF& previousPosition, const QPointF& currentPosition, QUndoCommand* parent = nullptr);

  void undo() override;

  void redo() override;
 
private:
  Canvas* mCanvas = nullptr;  
  const QString mNodeId;      
  const QPointF mPreviousPosition;  
  const QPointF mCurrentPosition;   
};