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type demon = (unit -> unit) list ref
let demon () = ref []
let register demon f = demon := !demon @ [f]
let refresh demon () =
List.iter
(fun f -> try f() with _ -> ())
!demon
type 'a field =
?tooltip:string -> packing:(GObj.widget -> unit) ->
(unit -> 'a) -> ('a -> unit) -> demon -> unit
let check ?label ?tooltip ~packing get set demon =
let button =
GButton.check_button ?label ~packing ~active:(get ()) ()
in
Gtk_helper.do_tooltip ?tooltip button ;
ignore (button#connect#toggled ~callback:(fun () -> set button#active));
register demon (fun () -> button#set_active (get()))
let entries ?width ?tooltip ~packing get set demon =
let strings = List.map fst entries in
let combo_box, (_model, column) =
GEdit.combo_box_text
~strings ?width ~wrap_width:1 ~packing ()
in
let callback () =
try
match combo_box#active_iter with
| None -> ()
| Some row ->
let title = (combo_box#model#get ~row ~column) in
let (_,item) = List.find (fun (t,_) -> t=title) entries in
set item
with Not_found -> ()
in
let rec lookup k item = function
| [] -> raise Not_found
| (_,value) :: entries ->
if value = item then k else lookup (succ k) item entries
in
let update () =
try combo_box#set_active (lookup 0 (get ()) entries)
with Not_found -> ()
in
ignore (combo_box#connect#changed ~callback) ;
Gtk_helper.do_tooltip ?tooltip combo_box ;
register demon update
let spinner ?(lower=0) ?(upper=max_int) ?width ?tooltip ~packing get set demon =
let spin = GEdit.spin_button ~digits:0 ?width ~packing () in
spin#adjustment#set_bounds
~lower:(float lower) ~upper:(float upper) ~step_incr:1. () ;
let callback () =
let a = spin#value_as_int in
let b = get () in
if a<>b then set a in
let update () = spin#adjustment#set_value (float (get ())) in
ignore (spin#connect#value_changed ~callback) ;
Gtk_helper.do_tooltip ?tooltip spin ;
register demon update
class form ~packing =
object
val table = GPack.table ~rows:2 ~col_spacings:8 ~packing ()
val mutable top = 0
method label text =
ignore (GMisc.label ~text
~packing:(table#attach ~top ~left:0 ~expand:`NONE) ())
method item obj =
table#attach ~top ~left:1 ~expand:`X ~fill:`X obj ;
top <- succ top
method row obj =
table#attach ~top ~left:0 ~right:2 ~expand:`X ~fill:`X obj ;
top <- succ top
end
let label ~text ~packing () =
ignore (GMisc.label ~xpad:3 ~text ~packing ())
let button ~label ?tooltip ~callback ~packing () =
let b = GButton.button ~label ~packing () in
Gtk_helper.do_tooltip ?tooltip b ;
ignore (b#connect#clicked ~callback)