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(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2012 *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
class type detachable_signals =
object
inherit GContainer.container_signals
method attached : callback:(GObj.widget -> unit) -> unit
method detached : callback:(GObj.widget -> unit) -> unit
end
class detachable (obj : ([> Gtk.box] as 'a) Gobject.obj) =
object(self)
inherit GPack.box_skel (obj :> Gtk.box Gobject.obj) as super
val but = GButton.button ()
val win = GWindow.window ()
val frame = GBin.frame ~shadow_type:`NONE ()
val mutable detached = false
val mutable detached_cb = (fun _ -> ())
val mutable attached_cb = (fun _ -> ())
method child = frame#child
method add = frame#add
method pack ?from ?expand ?fill ?padding w =
if frame#all_children = [] then self#add w
else raise (Invalid_argument "detachable#pack")
method title = win#title
method set_title = win#set_title
method connect : detachable_signals = object
inherit GContainer.container_signals_impl obj
method attached ~callback = attached_cb <- callback
method detached ~callback = detached_cb <- callback
end
method show =
if detached then win#present ()
else self#misc#show ();
method hide =
if detached then win#misc#hide ()
else self#misc#hide ()
method visible = win#misc#visible || self#misc#visible
method frame = frame
method button = but
method attach () =
win#misc#hide ();
frame#misc#reparent self#coerce;
detached <- false;
attached_cb self#child
method detach () =
frame#misc#reparent win#coerce;
self#misc#hide ();
win#present ();
detached <- true;
detached_cb self#child
initializer
self#set_homogeneous false;
super#pack ~expand:false but#coerce;
super#pack ~expand:true ~fill:true frame#coerce;
win#misc#hide ();
but#add (GMisc.label
~markup:"<span size='x-small'>D\nE\nT\nA\nC\nH</span>" ())#coerce;
ignore(win#event#connect#delete ~callback:(fun _ -> self#attach (); true));
ignore(but#connect#clicked ~callback:(fun _ -> self#detach ()))
end
let detachable ?title =
GtkPack.Box.make_params [] ~cont:(
GContainer.pack_container
~create:(fun p ->
let d = new detachable (GtkPack.Box.create `HORIZONTAL p) in
Option.iter d#set_title title;
d))
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