ocaml/otherlibs/labltk/examples_camltk/helloworld.ml

38 lines
1.8 KiB
OCaml

(***********************************************************************)
(* *)
(* MLTk, Tcl/Tk interface of Objective Caml *)
(* *)
(* 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 Objective Caml source tree. *)
(* *)
(***********************************************************************)
open Camltk;; (* Make interface functions available *)
let top = opentk ();; (* Initialisation of the interface *)
(* top is now the toplevel widget *)
(* Widget initialisation *)
let b = Button.create top
[Text "foobar";
Command (function () ->
print_string "foobar";
print_newline();
flush stdout)];;
(* b exists but is not yet visible *)
let q = Button.create top
[Text "quit";
Command closeTk];;
(* q exists but is not yet visible *)
pack [b; q][] ;; (* Make b visible *)
mainLoop() ;; (* User interaction*)
(* You can quit this program by deleting its main window *)