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 add_key_binding key callback (evbox: GBin.event_box) =
83 ignore (evbox#event#connect#key_press (function
84 | key' when GdkEvent.Key.keyval key' = key ->
89 class stringListModel (tree_view: GTree.view) =
90 let column_list = new GTree.column_list in
91 let text_column = column_list#add Gobject.Data.string in
92 let list_store = GTree.list_store column_list in
93 let renderer = (GTree.cell_renderer_text [], ["text", text_column]) in
94 let view_column = GTree.view_column ~renderer () in
97 tree_view#set_model (Some (list_store :> GTree.model));
98 ignore (tree_view#append_column view_column)
100 method list_store = list_store
102 method easy_append s =
103 let tree_iter = list_store#append () in
104 list_store#set ~row:tree_iter ~column:text_column s
106 method easy_insert pos s =
107 let tree_iter = list_store#insert pos in
108 list_store#set ~row:tree_iter ~column:text_column s
110 method easy_selection () =
113 let iter = list_store#get_iter tree_path in
114 list_store#get ~row:iter ~column:text_column)
115 tree_view#selection#get_selected_rows
118 class taggedStringListModel ~(tags:(string * GdkPixbuf.pixbuf) list)
119 (tree_view: GTree.view)
121 let column_list = new GTree.column_list in
122 let tag_column = column_list#add Gobject.Data.gobject in
123 let text_column = column_list#add Gobject.Data.string in
124 let list_store = GTree.list_store column_list in
125 let text_renderer = (GTree.cell_renderer_text [], ["text", text_column]) in
126 let tag_renderer = (GTree.cell_renderer_pixbuf [], ["pixbuf", tag_column]) in
127 let text_vcolumn = GTree.view_column ~renderer:text_renderer () in
128 let tag_vcolumn = GTree.view_column ~renderer:tag_renderer () in
129 let lookup_pixbuf tag =
130 try List.assoc tag tags with Not_found -> assert false
134 tree_view#set_model (Some (list_store :> GTree.model));
135 ignore (tree_view#append_column tag_vcolumn);
136 ignore (tree_view#append_column text_vcolumn)
138 method list_store = list_store
140 method easy_append ~tag s =
141 let tree_iter = list_store#append () in
142 list_store#set ~row:tree_iter ~column:text_column s;
143 list_store#set ~row:tree_iter ~column:tag_column (lookup_pixbuf tag)
145 method easy_insert pos ~tag s =
146 let tree_iter = list_store#insert pos in
147 list_store#set ~row:tree_iter ~column:text_column s;
148 list_store#set ~row:tree_iter ~column:tag_column (lookup_pixbuf tag)
150 method easy_selection () =
153 let iter = list_store#get_iter tree_path in
154 list_store#get ~row:iter ~column:text_column)
155 tree_view#selection#get_selected_rows
160 method newUriDialog: unit -> MatitaGeneratedGui.uriChoiceDialog
161 method newInterpDialog: unit -> MatitaGeneratedGui.interpChoiceDialog
162 method newConfirmationDialog: unit -> MatitaGeneratedGui.confirmationDialog
163 method newEmptyDialog: unit -> MatitaGeneratedGui.emptyDialog
166 let ask_confirmation ~(gui:#gui) ?(cancel = true) ?(title = "") ?(msg = "") () =
167 let dialog = gui#newConfirmationDialog () in
168 dialog#confirmationDialog#set_title title;
169 dialog#confirmationDialogLabel#set_label msg;
170 let result = ref None in
173 dialog#confirmationDialog#destroy ();
176 ignore (dialog#confirmationDialog#event#connect#delete (fun _ -> true));
177 connect_button dialog#confirmationDialogOkButton (return true);
178 connect_button dialog#confirmationDialogCancelButton (return false);
179 if not cancel then dialog#confirmationDialogCancelButton#misc#hide ();
180 dialog#confirmationDialog#show ();
182 (match !result with None -> assert false | Some r -> r)
184 let ask_text ~(gui:#gui) ?(title = "") ?(msg = "") ?(multiline = false) () =
185 let dialog = gui#newEmptyDialog () in
186 dialog#emptyDialog#set_title title;
187 dialog#emptyDialogLabel#set_label msg;
188 let result = ref None in
191 dialog#emptyDialog#destroy ();
194 ignore (dialog#emptyDialog#event#connect#delete (fun _ -> true));
195 if multiline then begin (* multiline input required: use a TextView widget *)
197 GBin.scrolled_window ~width:400 ~height:150 ~hpolicy:`NEVER
198 ~vpolicy:`ALWAYS ~packing:dialog#emptyDialogVBox#add ()
200 let view = GText.view ~wrap_mode:`CHAR ~packing:win#add () in
201 view#misc#grab_focus ();
202 connect_button dialog#emptyDialogOkButton (fun _ ->
203 return (Some (view#buffer#get_text ())))
204 end else begin (* monoline input required: use a TextEntry widget *)
205 let entry = GEdit.entry ~packing:dialog#emptyDialogVBox#add () in
206 entry#misc#grab_focus ();
207 connect_button dialog#emptyDialogOkButton (fun _ ->
208 return (Some entry#text))
210 connect_button dialog#emptyDialogCancelButton (fun _ ->return None);
211 dialog#emptyDialog#show ();
213 (match !result with None -> raise Cancel | Some r -> r)