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_visibility ~(win: GWindow.window) ~(check: GMenu.check_menu_item) =
61 ignore (check#connect#toggled (fun _ ->
62 if check#active then win#show () else win#misc#hide ()));
63 ignore (win#event#connect#delete (fun _ ->
65 check#set_active false;
68 let toggle_win ?(check: GMenu.check_menu_item option) (win: GWindow.window) () =
69 if win#is_active then win#misc#hide () else win#show ();
72 | Some check -> check#set_active (not check#active)
74 let add_key_binding key callback (evbox: GBin.event_box) =
75 ignore (evbox#event#connect#key_press (function
76 | key' when GdkEvent.Key.keyval key' = key ->
81 class stringListModel (tree_view: GTree.view) =
82 let column_list = new GTree.column_list in
83 let text_column = column_list#add Gobject.Data.string in
84 let list_store = GTree.list_store column_list in
85 let renderer = (GTree.cell_renderer_text [], ["text", text_column]) in
86 let view_column = GTree.view_column ~renderer () in
89 tree_view#set_model (Some (list_store :> GTree.model));
90 ignore (tree_view#append_column view_column)
92 method list_store = list_store
94 method easy_append s =
95 let tree_iter = list_store#append () in
96 list_store#set ~row:tree_iter ~column:text_column s
98 method easy_insert pos s =
99 let tree_iter = list_store#insert pos in
100 list_store#set ~row:tree_iter ~column:text_column s
102 method easy_selection () =
105 let iter = list_store#get_iter tree_path in
106 list_store#get ~row:iter ~column:text_column)
107 tree_view#selection#get_selected_rows
110 class taggedStringListModel ~(tags:(string * GdkPixbuf.pixbuf) list)
111 (tree_view: GTree.view)
113 let column_list = new GTree.column_list in
114 let tag_column = column_list#add Gobject.Data.gobject in
115 let text_column = column_list#add Gobject.Data.string in
116 let list_store = GTree.list_store column_list in
117 let text_renderer = (GTree.cell_renderer_text [], ["text", text_column]) in
118 let tag_renderer = (GTree.cell_renderer_pixbuf [], ["pixbuf", tag_column]) in
119 let text_vcolumn = GTree.view_column ~renderer:text_renderer () in
120 let tag_vcolumn = GTree.view_column ~renderer:tag_renderer () in
121 let lookup_pixbuf tag =
122 try List.assoc tag tags with Not_found -> assert false
126 tree_view#set_model (Some (list_store :> GTree.model));
127 ignore (tree_view#append_column tag_vcolumn);
128 ignore (tree_view#append_column text_vcolumn)
130 method list_store = list_store
132 method easy_append ~tag s =
133 let tree_iter = list_store#append () in
134 list_store#set ~row:tree_iter ~column:text_column s;
135 list_store#set ~row:tree_iter ~column:tag_column (lookup_pixbuf tag)
137 method easy_insert pos ~tag s =
138 let tree_iter = list_store#insert pos in
139 list_store#set ~row:tree_iter ~column:text_column s;
140 list_store#set ~row:tree_iter ~column:tag_column (lookup_pixbuf tag)
142 method easy_selection () =
145 let iter = list_store#get_iter tree_path in
146 list_store#get ~row:iter ~column:text_column)
147 tree_view#selection#get_selected_rows
152 method newUriDialog: unit -> MatitaGeneratedGui.uriChoiceDialog
153 method newInterpDialog: unit -> MatitaGeneratedGui.interpChoiceDialog
154 method newConfirmationDialog: unit -> MatitaGeneratedGui.confirmationDialog
155 method newEmptyDialog: unit -> MatitaGeneratedGui.emptyDialog
158 let ask_confirmation ~(gui:#gui) ?(cancel = true) ?(title = "") ?(msg = "") () =
159 let dialog = gui#newConfirmationDialog () in
160 dialog#confirmationDialog#set_title title;
161 dialog#confirmationDialogLabel#set_label msg;
162 let result = ref None in
165 dialog#confirmationDialog#destroy ();
168 ignore (dialog#confirmationDialog#event#connect#delete (fun _ -> true));
169 connect_button dialog#confirmationDialogOkButton (return true);
170 connect_button dialog#confirmationDialogCancelButton (return false);
171 if not cancel then dialog#confirmationDialogCancelButton#misc#hide ();
172 dialog#confirmationDialog#show ();
174 (match !result with None -> assert false | Some r -> r)
176 let ask_text ~(gui:#gui) ?(title = "") ?(msg = "") ?(multiline = false) () =
177 let dialog = gui#newEmptyDialog () in
178 dialog#emptyDialog#set_title title;
179 dialog#emptyDialogLabel#set_label msg;
180 let result = ref None in
183 dialog#emptyDialog#destroy ();
186 ignore (dialog#emptyDialog#event#connect#delete (fun _ -> true));
187 if multiline then begin (* multiline input required: use a TextView widget *)
189 GBin.scrolled_window ~width:400 ~height:150 ~hpolicy:`NEVER
190 ~vpolicy:`ALWAYS ~packing:dialog#emptyDialogVBox#add ()
192 let view = GText.view ~wrap_mode:`CHAR ~packing:win#add () in
193 view#misc#grab_focus ();
194 connect_button dialog#emptyDialogOkButton (fun _ ->
195 return (Some (view#buffer#get_text ())))
196 end else begin (* monoline input required: use a TextEntry widget *)
197 let entry = GEdit.entry ~packing:dialog#emptyDialogVBox#add () in
198 entry#misc#grab_focus ();
199 connect_button dialog#emptyDialogOkButton (fun _ ->
200 return (Some entry#text))
202 connect_button dialog#emptyDialogCancelButton (fun _ ->return None);
203 dialog#emptyDialog#show ();
205 (match !result with None -> raise Cancel | Some r -> r)