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|
(**************************************************************************)
(* cairo-ocaml -- Objective Caml bindings for Cairo *)
(* Copyright © 2004-2005 Olivier Andrieu *)
(* *)
(* This code is free software and is licensed under the terms of the *)
(* GNU Lesser General Public License version 2.1 (the "LGPL"). *)
(**************************************************************************)
type gtkcairo = [Gtk.widget | `gtkcairo]
external gtkcairo_init : unit -> unit = "ml_cairo_gtkcairo_init"
let init = gtkcairo_init ()
external get_cairo : [>`gtkcairo] Gtk.obj -> Cairo.t = "ml_cairo_gtkcairo_get_cairo"
let paint_sig = {
GtkSignal.name = "paint" ;
GtkSignal.classe = `gtkcairo ;
GtkSignal.marshaller =
let m = GtkSignal.marshal1 Gobject.Data.pointer "GtkCairo::paint" in
fun cb ->
m (function
| None -> raise Gpointer.Null
| Some cairo -> cb (Obj.magic cairo : Cairo.t)) }
class cairo_signals obj =
object (self)
inherit GObj.widget_signals_impl obj
method paint = self#connect paint_sig
end
class cairo obj =
object
inherit GObj.widget (obj : [> gtkcairo] Gtk.obj)
method connect = new cairo_signals obj
method event = new GObj.event_ops obj
method cairo = get_cairo obj
method queue_draw =
GtkBase.Widget.queue_draw obj
end
let cairo =
GtkBase.Widget.size_params []
~cont:(fun pl ?packing ?show () ->
GObj.pack_return
(new cairo (GtkObject.make "GtkCairo" pl))
~packing ~show)
|
