Gets the accumulative preferred height for @width for all rows which have been requested for the same said @width 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 width for allocation
location to store the minimum height
location to store the natural height
See Implementation
Gets the accumulative preferred height for @width for all rows which have been requested for the same said @width 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.