(* Copyright (C) 2004, HELM Team.
 * 
 * This file is part of HELM, an Hypertextual, Electronic
 * Library of Mathematics, developed at the Computer Science
 * Department, University of Bologna, Italy.
 * 
 * HELM is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * 
 * HELM is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with HELM; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
 * MA  02111-1307, USA.
 * 
 * For details, see the HELM World-Wide-Web page,
 * http://helm.cs.unibo.it/
 *)

open MatitaGtkMisc

(** {2 Internal status} *)

  (* TODO Zack: may be current_proofs if we want an MDI interface *)
let (current_proof: MatitaProof.proof option ref) = ref None

(** {2 Settings} *)

let untitled_con_uri = UriManager.uri_of_string "cic:/untitled.con"
let untitled_def_uri = UriManager.uri_of_string "cic:/untitled.def"

(** {2 Initialization} *)

let _ = Helm_registry.load_from "matita.conf.xml"
let _ = GMain.Main.init ()
let gui = new MatitaGui.gui (Helm_registry.get "matita.glade_file")

  (** quit program, possibly asking for confirmation *)
let quit () = GMain.Main.quit ()

let _ =
  gui#setQuitCallback quit;
  gui#main#debugMenu#misc#hide ();
  ignore (gui#main#newProofMenuItem#connect#activate (fun _ ->
   if (!current_proof <> None) &&
      not (ask_confirmation ~gui
              ~msg:("Starting a new proof will abort current one,\n" ^
                "are you sure you want to continue?")
              ())
    then
      ()  (* abort new proof process *)
    else
      prerr_endline "nuova prova"
      (* TODO Zack: FINQUI ora mi serve il disambiguatore *)
  ))

  (** <DEBUGGING> *)
let _ =
  if BuildTimeConf.debug then begin
    gui#main#debugMenu#misc#show ();
    let addDebugItem ~label callback =
      let item = GMenu.menu_item ~label () in
      gui#main#debugMenu_menu#append item;
      ignore (item#connect#activate callback)
    in
    addDebugItem "interactive user uri choice" (fun _ ->
      try
        let uris =
          interactive_user_uri_choice ~gui ~selection_mode:`MULTIPLE
            ~msg:"messaggio" ~nonvars_button:true
            ["cic:/uno.con"; "cic:/due.var"; "cic:/tre.con"; "cic:/quattro.con";
            "cic:/cinque.var"]
        in
        List.iter prerr_endline uris
      with MatitaTypes.No_choice -> MatitaTypes.error "no choice");
      addDebugItem "toggle auto disambiguation" (fun _ ->
        Helm_registry.set_bool "matita.auto_disambiguation"
          (not (Helm_registry.get_bool "matita.auto_disambiguation")))
  end
  (** </DEBUGGING> *)

let _ = GtkThread.main ()