Gets the accumulative preferred width for height for all rows which have been requested for the same said height with this context.
After CellArea.contextReset is called and/or before ever requesting the size of a gtk.CellArea, the returned values are -1.
a proposed height for allocation
location to store the minimum width, or NULL
location to store the natural width, or NULL
3.0
Gets the accumulative preferred width for height for all rows which have been requested for the same said height with this context.
After CellArea.contextReset is called and/or before ever requesting the size of a gtk.CellArea, the returned values are -1.