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|
(*************************************************************************)
(* *)
(* Objective Caml LablTk library *)
(* *)
(* Jacques Garrigue, Kyoto University RIMS *)
(* *)
(* Copyright 1999 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. *)
(* *)
(*************************************************************************)
(* $Id$ *)
open Tk
open Jg_tk
(*
class formatted :parent :width :maxheight :minheight =
val parent = (parent : Widget.any Widget.widget)
val width = width
val maxheight = maxheight
val minheight = minheight
val tw = Text.create :parent :width wrap:`Word
val fof = Format.get_formatter_output_functions ()
method parent = parent
method init =
pack [tw] side:`Left fill:`Both expand:true;
Format.print_flush ();
Format.set_margin (width - 2);
Format.set_formatter_output_functions out:(Jg_text.output tw)
flush:(fun () -> ())
method finish =
Format.print_flush ();
Format.set_formatter_output_functions out:(fst fof) flush:(snd fof);
let `Linechar (l, _) = Text.index tw index:(tposend 1) in
Text.configure tw height:(max minheight (min l maxheight));
if l > 5 then
pack [Jg_text.add_scrollbar tw] before:tw side:`Right fill:`Y
end
*)
let formatted :title ?:on ?(:ppf = Format.std_formatter)
?(:width=60) ?(:maxheight=10) ?(:minheight=0) () =
let tl, frame =
match on with
Some frame -> coe frame, frame
| None ->
let tl = Jg_toplevel.titled title in
Jg_bind.escape_destroy tl;
let frame = Frame.create tl in
pack [frame] side:`Top fill:`Both expand:true;
coe tl, frame
in
let tw = Text.create frame :width wrap:`Word in
pack [tw] side:`Left fill:`Both expand:true;
Format.pp_print_flush ppf ();
Format.pp_set_margin ppf (width - 2);
let fof,fff = Format.pp_get_formatter_output_functions ppf () in
Format.pp_set_formatter_output_functions ppf
out:(Jg_text.output tw) flush:(fun () -> ());
tl, tw,
begin fun () ->
Format.pp_print_flush ppf ();
Format.pp_set_formatter_output_functions ppf out:fof flush:fff;
let `Linechar (l, _) = Text.index tw index:(tposend 1) in
Text.configure tw height:(max minheight (min l maxheight));
if l > 5 then
pack [Jg_text.add_scrollbar tw] before:tw side:`Right fill:`Y
end
let ask :title ?:master text =
let tl = Jg_toplevel.titled title in
begin match master with None -> ()
| Some master -> Wm.transient_set tl :master
end;
let mw = Message.create tl :text padx:20 pady:10
width:250 justify:`Left aspect:400 anchor:`W
and fw = Frame.create tl
and sync = Textvariable.create on:tl ()
and r = ref (`cancel : [`yes|`no|`cancel]) in
let accept = Button.create fw text:"Yes"
command:(fun () -> r := `yes; destroy tl)
and refuse = Button.create fw text:"No"
command:(fun () -> r := `no; destroy tl)
and cancel = Jg_button.create_destroyer tl parent:fw text:"Cancel"
in
bind tl events:[`Destroy] extend:true
action:(fun _ -> Textvariable.set sync "1");
pack [accept; refuse; cancel] side:`Left fill:`X expand:true;
pack [mw] side:`Top fill:`Both;
pack [fw] side:`Bottom fill:`X expand:true;
Grab.set tl;
Tkwait.variable sync;
!r
|
