val checkbox : t -> Widget.box -> string -> bool -> t * boolval field : ?enabled:bool -> t -> Widget.box -> string -> t * stringval slider : t -> Widget.box -> from:float -> to_:float -> float -> t * floatval knob : t -> Widget.box -> from:float -> to_:float -> float -> t * floatval selector : t -> Widget.box -> string list -> int -> t * intval selector_step : floatval list : t -> Widget.box -> string list -> int option -> t * int optionval checkbox_size : Theme.t -> string -> float * floatval slider_size : Theme.t -> float * floatval knob_size : Theme.t -> float * floatval rocker_size : Theme.t -> float * floatval selector_size : Theme.t -> string list -> float * floatval field_size : Theme.t -> float * floatval progress_size : Theme.t -> float * floatval text_area_size : Theme.t -> float * floatval list_size : Theme.t -> float * float