`object
method clicked : callback:(unit -> unit) -> GtkSignal.id
method private virtual connect :
'b. ([> `button ] as 'a, 'b) GtkSignal.t -> callback:'b -> GtkSignal.id
method enter : callback:(unit -> unit) -> GtkSignal.id
method leave : callback:(unit -> unit) -> GtkSignal.id
method private virtual notify :
'b. ('a, 'b) Gobject.property -> callback:('b -> unit) -> GtkSignal.id
method notify_focus_on_click : callback:(bool -> unit) -> GtkSignal.id
method notify_image : callback:(GObj.widget -> unit) -> GtkSignal.id
method notify_image_position :
callback:(GtkEnums.position_type -> unit) -> GtkSignal.id
method notify_label : callback:(string -> unit) -> GtkSignal.id
method notify_relief :
callback:(GtkEnums.relief_style -> unit) -> GtkSignal.id
method notify_use_stock : callback:(bool -> unit) -> GtkSignal.id
method notify_use_underline : callback:(bool -> unit) -> GtkSignal.id
method notify_xalign : callback:(float -> unit) -> GtkSignal.id
method notify_yalign : callback:(float -> unit) -> GtkSignal.id
method pressed : callback:(unit -> unit) -> GtkSignal.id
method released : callback:(unit -> unit) -> GtkSignal.id
end`