item_input.h

#ifndef ITEM_INPUT_H
#define ITEM_INPUT_H

#include "item/abstract_item_input_output_base.h"
#include "appcore.h"

#include <QObject>
#include <QRectF>
#include <QScopedPointer>

class AbstractItem;
class ItemOutput;
class ItemInputPrivate;

class ITEMFRAMEWORK_EXPORT ItemInput : public AbstractItemInputOutputBase
{
    Q_OBJECT

    friend ItemOutput;

public:
    ItemInput(AbstractItem* owner, int transportType, QString const& description,
              QRectF const& shape = {0, 0, 0, 0});

    virtual ~ItemInput();

    virtual bool isConnected() const;

    ItemOutput* output() const;

    QObject* data() const;

    virtual QPointF scenePosition() const;

    void disconnectOutput();

    bool connectOutput(ItemOutput* output);

signals:
    void outputDisconnected();

    void outputConnected();

    void dataChanged();

private:
    QScopedPointer<ItemInputPrivate> const d_ptr;
    Q_DECLARE_PRIVATE(ItemInput)
};

#endif // ITEM_INPUT_H