1 (* Copyright (C) 2004-2005, HELM Team.
3 * This file is part of HELM, an Hypertextual, Electronic
4 * Library of Mathematics, developed at the Computer Science
5 * Department, University of Bologna, Italy.
7 * HELM is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
12 * HELM is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with HELM; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
22 * For details, see the HELM World-Wide-Web page,
23 * http://helm.cs.unibo.it/
30 let wrap_callback f = f
32 let wrap_callback f () =
36 MatitaLog.error (sprintf "Uncaught exception: %s" (Printexc.to_string exn))
39 let connect_button (button: #GButton.button) callback =
40 ignore (button#connect#clicked (wrap_callback callback))
42 let connect_toggle_button (button: #GButton.toggle_button) callback =
43 ignore (button#connect#toggled (wrap_callback callback))
45 let connect_menu_item (menu_item: #GMenu.menu_item) callback =
46 ignore (menu_item#connect#activate (wrap_callback callback))
48 let connect_key (ev:GObj.event_ops) ?(modifiers = []) ?(stop = false) key
51 ignore (ev#connect#key_press (fun key' ->
52 let modifiers' = GdkEvent.Key.state key' in
54 | key' when GdkEvent.Key.keyval key' = key
55 && List.for_all (fun m -> List.mem m modifiers') modifiers ->
60 let toggle_widget_visibility ~(widget: GObj.widget)
61 ~(check: GMenu.check_menu_item)
63 ignore (check#connect#toggled (fun _ ->
64 if check#active then widget#misc#show () else widget#misc#hide ()))
66 let toggle_window_visibility ~(window: GWindow.window)
67 ~(check: GMenu.check_menu_item)
69 ignore (check#connect#toggled (fun _ ->
70 if check#active then window#show () else window#misc#hide ()));
71 ignore (window#event#connect#delete (fun _ ->
73 check#set_active false;
76 let toggle_win ?(check: GMenu.check_menu_item option) (win: GWindow.window) () =
77 if win#is_active then win#misc#hide () else win#show ();
80 | Some check -> check#set_active (not check#active)
82 let toggle_callback ~callback ~(check: GMenu.check_menu_item) =
83 ignore (check#connect#toggled (fun _ -> callback check#active))
85 let add_key_binding key callback (evbox: GBin.event_box) =
86 ignore (evbox#event#connect#key_press (function
87 | key' when GdkEvent.Key.keyval key' = key ->
92 class stringListModel (tree_view: GTree.view) =
93 let column_list = new GTree.column_list in
94 let text_column = column_list#add Gobject.Data.string in
95 let list_store = GTree.list_store column_list in
96 let renderer = (GTree.cell_renderer_text [], ["text", text_column]) in
97 let view_column = GTree.view_column ~renderer () in
100 tree_view#set_model (Some (list_store :> GTree.model));
101 ignore (tree_view#append_column view_column)
103 method list_store = list_store
105 method easy_append s =
106 let tree_iter = list_store#append () in
107 list_store#set ~row:tree_iter ~column:text_column s
109 method easy_insert pos s =
110 let tree_iter = list_store#insert pos in
111 list_store#set ~row:tree_iter ~column:text_column s
113 method easy_selection () =
116 let iter = list_store#get_iter tree_path in
117 list_store#get ~row:iter ~column:text_column)
118 tree_view#selection#get_selected_rows
121 class taggedStringListModel ~(tags:(string * GdkPixbuf.pixbuf) list)
122 (tree_view: GTree.view)
124 let column_list = new GTree.column_list in
125 let tag_column = column_list#add Gobject.Data.gobject in
126 let text_column = column_list#add Gobject.Data.string in
127 let list_store = GTree.list_store column_list in
128 let text_renderer = (GTree.cell_renderer_text [], ["text", text_column]) in
129 let tag_renderer = (GTree.cell_renderer_pixbuf [], ["pixbuf", tag_column]) in
130 let text_vcolumn = GTree.view_column ~renderer:text_renderer () in
131 let tag_vcolumn = GTree.view_column ~renderer:tag_renderer () in
132 let lookup_pixbuf tag =
133 try List.assoc tag tags with Not_found -> assert false
137 tree_view#set_model (Some (list_store :> GTree.model));
138 ignore (tree_view#append_column tag_vcolumn);
139 ignore (tree_view#append_column text_vcolumn)
141 method list_store = list_store
143 method easy_append ~tag s =
144 let tree_iter = list_store#append () in
145 list_store#set ~row:tree_iter ~column:text_column s;
146 list_store#set ~row:tree_iter ~column:tag_column (lookup_pixbuf tag)
148 method easy_insert pos ~tag s =
149 let tree_iter = list_store#insert pos in
150 list_store#set ~row:tree_iter ~column:text_column s;
151 list_store#set ~row:tree_iter ~column:tag_column (lookup_pixbuf tag)
153 method easy_selection () =
156 let iter = list_store#get_iter tree_path in
157 list_store#get ~row:iter ~column:text_column)
158 tree_view#selection#get_selected_rows
163 method newUriDialog: unit -> MatitaGeneratedGui.uriChoiceDialog
164 method newInterpDialog: unit -> MatitaGeneratedGui.interpChoiceDialog
165 method newConfirmationDialog: unit -> MatitaGeneratedGui.confirmationDialog
166 method newEmptyDialog: unit -> MatitaGeneratedGui.emptyDialog
169 let ask_confirmation ~(gui:#gui) ?(cancel = true) ?(title = "") ?(msg = "") () =
170 let dialog = gui#newConfirmationDialog () in
171 dialog#confirmationDialog#set_title title;
172 dialog#confirmationDialogLabel#set_label msg;
173 let result = ref None in
176 dialog#confirmationDialog#destroy ();
179 ignore (dialog#confirmationDialog#event#connect#delete (fun _ -> true));
180 connect_button dialog#confirmationDialogOkButton (return true);
181 connect_button dialog#confirmationDialogCancelButton (return false);
182 if not cancel then dialog#confirmationDialogCancelButton#misc#hide ();
183 dialog#confirmationDialog#show ();
185 (match !result with None -> assert false | Some r -> r)
187 let ask_text ~(gui:#gui) ?(title = "") ?(msg = "") ?(multiline = false) () =
188 let dialog = gui#newEmptyDialog () in
189 dialog#emptyDialog#set_title title;
190 dialog#emptyDialogLabel#set_label msg;
191 let result = ref None in
194 dialog#emptyDialog#destroy ();
197 ignore (dialog#emptyDialog#event#connect#delete (fun _ -> true));
198 if multiline then begin (* multiline input required: use a TextView widget *)
200 GBin.scrolled_window ~width:400 ~height:150 ~hpolicy:`NEVER
201 ~vpolicy:`ALWAYS ~packing:dialog#emptyDialogVBox#add ()
203 let view = GText.view ~wrap_mode:`CHAR ~packing:win#add () in
204 view#misc#grab_focus ();
205 connect_button dialog#emptyDialogOkButton (fun _ ->
206 return (Some (view#buffer#get_text ())))
207 end else begin (* monoline input required: use a TextEntry widget *)
208 let entry = GEdit.entry ~packing:dialog#emptyDialogVBox#add () in
209 entry#misc#grab_focus ();
210 connect_button dialog#emptyDialogOkButton (fun _ ->
211 return (Some entry#text))
213 connect_button dialog#emptyDialogCancelButton (fun _ ->return None);
214 dialog#emptyDialog#show ();
216 (match !result with None -> raise Cancel | Some r -> r)