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