editor/connection.h

#ifndef CONNECTION_H
#define CONNECTION_H

#include <QGraphicsLineItem>
#include "item.h"

class Connection : public QGraphicsLineItem
{
public:
    Connection(Item* from, Item::AnchorType fromType,
               Item* to, Item::AnchorType toType, QGraphicsItem* parent = nullptr);

    void updatePosition();
    void paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *) override;

    Item *from_, *to_;
    Item::AnchorType fromType_, toType_;
};

#endif // CONNECTION_H