--- /dev/null
+(* Copyright (C) 2004-2005, 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 Printf
+
+open MatitaTypes
+
+let wrap_callback f = f
+(*
+let wrap_callback f () =
+ try
+ f ()
+ with exn ->
+ MatitaLog.error (sprintf "Uncaught exception: %s" (Printexc.to_string exn))
+*)
+
+let connect_button (button: #GButton.button) callback =
+ ignore (button#connect#clicked (wrap_callback callback))
+
+let connect_menu_item (menu_item: #GMenu.menu_item) callback =
+ ignore (menu_item#connect#activate (wrap_callback callback))
+
+let connect_key (ev:GObj.event_ops) ?(modifiers = []) ?(stop = false) key
+ callback
+=
+ ignore (ev#connect#key_press (fun key' ->
+ let modifiers' = GdkEvent.Key.state key' in
+ (match key' with
+ | key' when GdkEvent.Key.keyval key' = key
+ && List.for_all (fun m -> List.mem m modifiers') modifiers ->
+ callback ();
+ stop
+ | _ -> false)))
+
+let toggle_visibility ~(win: GWindow.window) ~(check: GMenu.check_menu_item) =
+ ignore (check#connect#toggled (fun _ ->
+ if check#active then win#show () else win#misc#hide ()));
+ ignore (win#event#connect#delete (fun _ ->
+ win#misc#hide ();
+ check#set_active false;
+ true))
+
+let toggle_win ?(check: GMenu.check_menu_item option) (win: GWindow.window) () =
+ if win#is_active then win#misc#hide () else win#show ();
+ match check with
+ | None -> ()
+ | Some check -> check#set_active (not check#active)
+
+let add_key_binding key callback (evbox: GBin.event_box) =
+ ignore (evbox#event#connect#key_press (function
+ | key' when GdkEvent.Key.keyval key' = key ->
+ callback ();
+ false
+ | _ -> false))
+
+class stringListModel (tree_view: GTree.view) =
+ let column_list = new GTree.column_list in
+ let text_column = column_list#add Gobject.Data.string in
+ let list_store = GTree.list_store column_list in
+ object (self)
+
+ initializer
+ let renderer = (GTree.cell_renderer_text [], ["text", text_column]) in
+ let view_column = GTree.view_column ~renderer () in
+ tree_view#set_model (Some (list_store :> GTree.model));
+ ignore (tree_view#append_column view_column)
+
+ method list_store = list_store
+
+ method easy_append s =
+ let tree_iter = list_store#append () in
+ list_store#set ~row:tree_iter ~column:text_column s
+
+ method easy_insert pos s =
+ let tree_iter = list_store#insert pos in
+ list_store#set ~row:tree_iter ~column:text_column s
+
+ method easy_selection () =
+ List.map
+ (fun tree_path ->
+ let iter = list_store#get_iter tree_path in
+ list_store#get ~row:iter ~column:text_column)
+ tree_view#selection#get_selected_rows
+
+ end
+
+class type gui =
+ object
+ method newUriDialog: unit -> MatitaGeneratedGui.uriChoiceDialog
+ method newInterpDialog: unit -> MatitaGeneratedGui.interpChoiceDialog
+ method newConfirmationDialog: unit -> MatitaGeneratedGui.confirmationDialog
+ method newEmptyDialog: unit -> MatitaGeneratedGui.emptyDialog
+ end
+
+let ask_confirmation ~(gui:#gui) ?(cancel = true) ?(title = "") ?(msg = "") () =
+ let dialog = gui#newConfirmationDialog () in
+ dialog#confirmationDialog#set_title title;
+ dialog#confirmationDialogLabel#set_label msg;
+ let result = ref None in
+ let return r _ =
+ result := Some r;
+ dialog#confirmationDialog#destroy ();
+ GMain.Main.quit ()
+ in
+ ignore (dialog#confirmationDialog#event#connect#delete (fun _ -> true));
+ connect_button dialog#confirmationDialogOkButton (return true);
+ connect_button dialog#confirmationDialogCancelButton (return false);
+ if not cancel then dialog#confirmationDialogCancelButton#misc#hide ();
+ dialog#confirmationDialog#show ();
+ GtkThread.main ();
+ (match !result with None -> assert false | Some r -> r)
+
+let ask_text ~(gui:#gui) ?(title = "") ?(msg = "") ?(multiline = false) () =
+ let dialog = gui#newEmptyDialog () in
+ dialog#emptyDialog#set_title title;
+ dialog#emptyDialogLabel#set_label msg;
+ let result = ref None in
+ let return r =
+ result := r;
+ dialog#emptyDialog#destroy ();
+ GMain.Main.quit ()
+ in
+ ignore (dialog#emptyDialog#event#connect#delete (fun _ -> true));
+ if multiline then begin (* multiline input required: use a TextView widget *)
+ let win =
+ GBin.scrolled_window ~width:400 ~height:150 ~hpolicy:`NEVER
+ ~vpolicy:`ALWAYS ~packing:dialog#emptyDialogVBox#add ()
+ in
+ let view = GText.view ~wrap_mode:`CHAR ~packing:win#add () in
+ view#misc#grab_focus ();
+ connect_button dialog#emptyDialogOkButton (fun _ ->
+ return (Some (view#buffer#get_text ())))
+ end else begin (* monoline input required: use a TextEntry widget *)
+ let entry = GEdit.entry ~packing:dialog#emptyDialogVBox#add () in
+ entry#misc#grab_focus ();
+ connect_button dialog#emptyDialogOkButton (fun _ ->
+ return (Some entry#text))
+ end;
+ connect_button dialog#emptyDialogCancelButton (fun _ ->return None);
+ dialog#emptyDialog#show ();
+ GtkThread.main ();
+ (match !result with None -> raise Cancel | Some r -> r)
+
projects / helm.git / blobdiff