gtk:accessible-text-extents (accessible start end extents)

accessible -- a gtk:accessible-text object
start -- an unsigned integer with the start offset, in characters
end -- an unsigned integer with the end offset, in characters,
extents -- a graphene:rect-t instance

The graphene:rect-t instance if the extents were filled, nil otherwise.

Obtains the extents of a range of text, in widget coordinates.

Since 4.16