ocaml/otherlibs/labltk/examples_camltk/text.ml

56 lines
1.9 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 Tk
let top = opentk ()
let scroll_link sb tx =
Text.configure tx [YScrollCommand (Scrollbar.set sb)];
Scrollbar.configure sb [ScrollCommand (Text.yview tx)]
let f = Frame.create top []
let text = Text.create f []
let scrollbar = Scrollbar.create f []
let buffer = ref ""
let kill () =
buffer :=
Text.get text (TextIndex (Insert, []))
(TextIndex (Insert, [LineEnd]));
Text.delete text (TextIndex (Insert, []))
(TextIndex (Insert, [LineEnd]))
;;
let yank () =
Text.insert text (TextIndex (Insert, [])) !buffer []
let _ = bind text [[Control], KeyPressDetail "y"] (BindSet ([], fun _ ->
yank () ))
;;
let _ = bind text [[Control], KeyPressDetail "k"] (BindSet ([], fun _ ->
kill () ))
;;
let _ =
scroll_link scrollbar text;
pack [text;f][];
pack [f][];
mainLoop ()
;;