#include class NhekoDropArea : public QQuickItem { Q_OBJECT Q_PROPERTY(QString roomid READ roomid WRITE setRoomid NOTIFY roomidChanged) public: NhekoDropArea(QQuickItem *parent = nullptr); signals: void roomidChanged(QString roomid); public slots: void setRoomid(QString roomid) { if (roomid_ != roomid) { roomid_ = roomid; emit roomidChanged(roomid); } } QString roomid() const { return roomid_; } protected: void dragEnterEvent(QDragEnterEvent *event) override; void dragMoveEvent(QDragMoveEvent *event) override; void dropEvent(QDropEvent *event) override; private: QString roomid_; };