Calculates the minimum and natural width of the
areas cells with the current attributes applied while considering
the particular layouting details of the said #GtkCellArea. While
requests are performed over a series of rows, alignments and overall
minimum and natural sizes should be stored in the corresponding
#GtkCellAreaContext.
Calculates the minimum and natural width of the areas cells with the current attributes applied while considering the particular layouting details of the said #GtkCellArea. While requests are performed over a series of rows, alignments and overall minimum and natural sizes should be stored in the corresponding #GtkCellAreaContext.