Gets the accumulative preferred width for all rows which have been requested with this context. After gtk_cell_area_context_reset() is called and/or before ever requesting the size of a GtkCellArea, the returned values are 0.
location to store the minimum width, or NULL. out[allow-none]
location to store the natural width, or NULL. out[allow-none] Since 3.0
See Implementation
Gets the accumulative preferred width for all rows which have been requested with this context. After gtk_cell_area_context_reset() is called and/or before ever requesting the size of a GtkCellArea, the returned values are 0.