Gets the accumulative preferred width for height for all rows which have been requested for the same said height with this context.
After gtk.cell_area_context.CellAreaContext.reset is called and/or before ever requesting the size of a gtk.cell_area.CellArea, the returned values are -1.
a proposed height for allocation
location to store the minimum width
location to store the natural width
Deprecated: This object will be removed in GTK 5
Gets the accumulative preferred width for height for all rows which have been requested for the same said height with this context.
After gtk.cell_area_context.CellAreaContext.reset is called and/or before ever requesting the size of a gtk.cell_area.CellArea, the returned values are -1.