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_reset() is called and/or before ever requesting the size of a GtkCellArea, the returned values are -1.
a proposed height for allocation
location to store the minimum width
location to store the natural width
See Implementation
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_reset() is called and/or before ever requesting the size of a GtkCellArea, the returned values are -1.