GTree.cell_layoutSource@gtkdoc gtk GtkCellLayout
method pack : ?expand:bool -> ?from:Gtk.Tags.pack_type -> cell_renderer -> unitmethod reorder : cell_renderer -> int -> unitmethod add_attribute : cell_renderer -> string -> 'b column -> unitmethod clear_attributes : cell_renderer -> unitmethod set_cell_data_func : cell_renderer ->
(model -> Gtk.tree_iter -> unit) ->
unitmethod unset_cell_data_func : cell_renderer -> unit