void itemDestroyed(QQuickItem *item) override
void itemVisibilityChanged(QQuickItem *item) override
bool emittingImplicitSizeChangedSignals
void itemGeometryChanged(QQuickItem *item, QQuickGeometryChange change, const QRectF &diff) override
void itemImplicitWidthChanged(QQuickItem *item) override
void itemImplicitHeightChanged(QQuickItem *item) override
void resizeContent() override