Blame examples_camltk/helloworld.ml

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(***********************************************************************)
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(*                                                                     *)
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(*                 MLTk, Tcl/Tk interface of OCaml                     *)
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(*                                                                     *)
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(*    Francois Rouaix, Francois Pessaux, Jun Furuse and Pierre Weis    *)
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(*               projet Cristal, INRIA Rocquencourt                    *)
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(*            Jacques Garrigue, Kyoto University RIMS                  *)
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(*                                                                     *)
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(*  Copyright 2002 Institut National de Recherche en Informatique et   *)
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(*  en Automatique and Kyoto University.  All rights reserved.         *)
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(*  This file is distributed under the terms of the GNU Library        *)
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(*  General Public License, with the special exception on linking      *)
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(*  described in file LICENSE found in the OCaml source tree.          *)
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(*                                                                     *)
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(***********************************************************************)
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(* Make interface functions available *)
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open Camltk;;
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(* Initialisation of the interface. *)
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let top = opentk ();;
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(* top is now the toplevel widget. *)
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(* Widget initialisation *)
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let b =
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  Button.create top [
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    Text "foobar";
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    Command
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      (function () ->
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       print_string "foobar";
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       print_newline ();
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       flush stdout);
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  ]
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;;
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(* Now button [b] exists but is not yet visible. *)
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let q =
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  Button.create top [
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    Text "quit";
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    Command closeTk;
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  ]
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;;
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(* Button [q] also exists but is not yet visible. *)
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(* Make b and q visible. *)
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pack [b; q] [];;
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(* Start user interaction. *)
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mainLoop ();;
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(* You can also quit this program by deleting its main window. *)