class TestTooltip : public QWidget
{
    Q_OBJECT

    public:
        TestTooltip(const QString &message         = QString(),
                   QWidget* parent = nullptr);
        virtual ~TestTooltip();

    public slots:
        /// Redraws the tooltip next to wid position
        /// Should be called when the window/widget moves or resizes
        /// \param wid a widget. The tooltip will take the widget position and
        /// appear just above it
        void updateTooltip(QWidget *wid);

    private:
        QLabel *m_msgLabel;
    };


class LabelWithTooltip final : public QLabel
{
    Q_OBJECT
        
    public:
        explicit LabelWithTooltip(const QString &text = QString(), QWidget *parent = nullptr);
        ~LabelWithTooltip();
        LabelWithTooltip(const LabelWithTooltip &) = delete;
        LabelWithTooltip(LabelWithTooltip &&) = delete;
        LabelWithTooltip &operator=(const LabelWithTooltip &) = delete;
        LabelWithTooltip &operator=(LabelWithTooltip &&) = delete;

        QSize sizeHint() const override;

    protected:

        void showEvent(QShowEvent *event) override final;
        void resizeEvent(QResizeEvent *event) override final;
        void moveEvent(QMoveEvent *event) override final;
        void enterEvent(QEnterEvent *event) override final;
        void leaveEvent(QEvent *event) override final;

    private:
        TestTooltip         *m_tooltip;
};