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compiler-libs-hack / ocaml / otherlibs / labltk / support / textvariable.mli

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(***********************************************************************)
(*                                                                     *)
(*                 MLTk, Tcl/Tk interface of OCaml                     *)
(*                                                                     *)
(*    Francois Rouaix, Francois Pessaux, Jun Furuse and Pierre Weis    *)
(*               projet Cristal, INRIA Rocquencourt                    *)
(*            Jacques Garrigue, Kyoto University RIMS                  *)
(*                                                                     *)
(*  Copyright 2002 Institut National de Recherche en Informatique et   *)
(*  en Automatique and Kyoto University.  All rights reserved.         *)
(*  This file is distributed under the terms of the GNU Library        *)
(*  General Public License, with the special exception on linking      *)
(*  described in file LICENSE found in the OCaml source tree.          *)
(*                                                                     *)
(***********************************************************************)

(* $Id$ *)

(* Support for Tk -textvariable option *)
open Widget
open Protocol

type textVariable
      (* TextVariable is an abstract type *)

val create : ?on: 'a widget -> unit -> textVariable
      (* Allocation of a textVariable with lifetime associated to widget
         if a widget is specified *)
val set : textVariable -> string -> unit
      (* Setting the val of a textVariable *)
val get : textVariable -> string
      (* Reading the val of a textVariable *)
val name : textVariable -> string
      (* Its tcl name *)

val cCAMLtoTKtextVariable : textVariable -> tkArgs
      (* Internal conversion function *)

val handle : textVariable -> callback:(unit -> unit) -> unit
      (* Callbacks on variable modifications *)

val coerce : string -> textVariable

(*-*)
val free : textVariable -> unit