class button : ?align:align -> ?icon:icon -> ?label:string -> ?tooltip:string -> unit -> object .. end
?align:align -> ?icon:icon -> ?label:string -> ?tooltip:string -> unit ->
object
end
Widget.action
Widget.signal
method set_icon : icon -> unit
icon -> unit
method set_label : string -> unit
string -> unit
method set_relief : bool -> unit
bool -> unit
method default : unit -> unit
unit -> unit