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(*************************************************************************)
(* *)
(* Objective Caml LablTk library *)
(* *)
(* Jun Furuse, projet Cristal, INRIA Rocquencourt *)
(* 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. *)
(* *)
(*************************************************************************)
(* $Id$ *)
(* Some CamlTk4 Demonstration by JPF *)
(* First, open these modules for convenience *)
open Tk
(* Dummy let *)
let _ =
(* Initialize Tk *)
let top = openTk () in
(* Title setting *)
Wm.title_set top "LablTk demo";
(* Base frame *)
let base = Frame.create top in
pack [base];
(* Menu bar *)
let bar = Frame.create base ~borderwidth: 2 ~relief: `Raised in
pack [bar] ~fill: `X;
(* Menu and Menubutton *)
let meb = Menubutton.create bar ~text: "Menu" in
let men = Menu.create meb in
Menu.add_command men ~label: "Quit" ~command: (fun () -> closeTk (); exit 0);
Menubutton.configure meb ~menu: men;
(* Frames *)
let base2 = Frame.create base in
let left = Frame.create base2 in
let right = Frame.create base2 in
pack [base2];
pack [left; right] ~side: `Left;
(* Widgets on left and right *)
(* Button *)
let but = Button.create left ~text: "Welcome to LablTk" in
(* Canvas *)
let can = Canvas.create left ~width: 100
~height: 100 ~borderwidth: 1 ~relief: `Sunken
in
Canvas.create_oval can ~x1: 10 ~y1: 10
~x2: 90 ~y2: 90
~fill:`Red;
(* Check button *)
let che = Checkbutton.create left ~text: "Check" in
(* Entry *)
let ent = Entry.create left ~width: 10 in
(* Label *)
let lab = Label.create left ~text: "Welcome to LablTk" in
(* Listbox *)
let lis = Listbox.create left in
Listbox.insert lis ~index: `End ~texts: ["This"; "is"; "Listbox"];
(* Message *)
let mes = Message.create left
~text: "Hello this is a message widget with very long text, but ..." in
(* Radio buttons *)
let tv = Textvariable.create () in
Textvariable.set tv "One";
let radf = Frame.create right in
let rads = List.map
~f:(fun t -> Radiobutton.create radf ~text: t ~value: t ~variable: tv)
["One"; "Two"; "Three"] in
(* Scale *)
let sca = Scale.create right ~label: "Scale" ~length: 100
~showvalue: true in
(* Text and scrollbar *)
let texf = Frame.create right in
(* Text *)
let tex = Text.create texf ~width: 20 ~height: 8 in
Text.insert tex ~text: "This is a text widget." ~index: (`End,[])
~tags: [];
(* Scrollbar *)
let scr = Scrollbar.create texf in
(* Text and Scrollbar widget link *)
let scroll_link sb tx =
Text.configure tx ~yscrollcommand: (Scrollbar.set sb);
Scrollbar.configure sb ~command: (Text.yview tx) in
scroll_link scr tex;
pack [scr] ~side: `Right ~fill: `Y;
pack [tex] ~side: `Left ~fill: `Both ~expand: true;
(* Pack them *)
pack [meb] ~side: `Left;
pack [coe but; coe can; coe che; coe ent; coe lab; coe lis; coe mes];
pack [coe radf; coe sca; coe texf];
pack rads;
(* Toplevel *)
let top2 = Toplevel.create top in
Wm.title_set top2 "LablTk demo control";
let defcol = `Color "#dfdfdf" in
let selcol = `Color "#ffdfdf" in
let buttons =
List.map ~f:(fun (w, t, c, a) ->
let b = Button.create top2 ~text:t ~command:c in
bind b ~events: [`Enter] ~action:(fun _ -> a selcol);
bind b ~events: [`Leave] ~action:(fun _ -> a defcol);
b)
[coe bar, "Frame", (fun () -> ()),
(fun background -> Frame.configure bar ~background);
coe meb, "Menubutton", (fun () -> ()),
(fun background -> Menubutton.configure meb ~background);
coe but, "Button", (fun () -> ()),
(fun background -> Button.configure but ~background);
coe can, "Canvas", (fun () -> ()),
(fun background -> Canvas.configure can ~background);
coe che, "CheckButton", (fun () -> ()),
(fun background -> Checkbutton.configure che ~background);
coe ent, "Entry", (fun () -> ()),
(fun background -> Entry.configure ent ~background);
coe lab, "Label", (fun () -> ()),
(fun background -> Label.configure lab ~background);
coe lis, "Listbox", (fun () -> ()),
(fun background -> Listbox.configure lis ~background);
coe mes, "Message", (fun () -> ()),
(fun background -> Message.configure mes ~background);
coe radf, "Radiobox", (fun () -> ()),
(fun background ->
List.iter rads ~f:(fun b -> Radiobutton.configure b ~background));
coe sca, "Scale", (fun () -> ()),
(fun background -> Scale.configure sca ~background);
coe tex, "Text", (fun () -> ()),
(fun background -> Text.configure tex ~background);
coe scr, "Scrollbar", (fun () -> ()),
(fun background -> Scrollbar.configure scr ~background)
]
in
pack buttons ~fill: `X;
(* Main Loop *)
Printexc.print mainLoop ()
|
