Retrieves a cell area’s minimum and natural width if it would be given the specified
this stores some geometrical information in
context along the way while calling
get_preferred_height. It’s important to perform a series of
get_preferred_height requests with
and then call get_preferred_width_for_height on each cell area individually to get the height for width of
each fully requested row.
the CellAreaContext which has already been requested for widths.
the Widget where this will be rendering
the height for which to check the width of this area
location to store the minimum width, or null
location to store the natural width, or null