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/
31 let wrap_callback f = f
33 let wrap_callback f () =
37 MatitaLog.error (sprintf "Uncaught exception: %s" (Printexc.to_string exn))
40 let connect_button (button: #GButton.button) callback =
41 ignore (button#connect#clicked (wrap_callback callback))
43 let connect_toggle_button (button: #GButton.toggle_button) callback =
44 ignore (button#connect#toggled (wrap_callback callback))
46 let connect_menu_item (menu_item: #GMenu.menu_item) callback =
47 ignore (menu_item#connect#activate (wrap_callback callback))
49 let connect_key (ev:GObj.event_ops) ?(modifiers = []) ?(stop = false) key
52 ignore (ev#connect#key_press (fun key' ->
53 let modifiers' = GdkEvent.Key.state key' in
55 | key' when GdkEvent.Key.keyval key' = key
56 && List.for_all (fun m -> List.mem m modifiers') modifiers ->
61 let toggle_widget_visibility ~(widget: GObj.widget)
62 ~(check: GMenu.check_menu_item)
64 ignore (check#connect#toggled (fun _ ->
65 if check#active then widget#misc#show () else widget#misc#hide ()))
67 let toggle_window_visibility ~(window: GWindow.window)
68 ~(check: GMenu.check_menu_item)
70 ignore (check#connect#toggled (fun _ ->
71 if check#active then window#show () else window#misc#hide ()));
72 ignore (window#event#connect#delete (fun _ ->
74 check#set_active false;
77 let toggle_win ?(check: GMenu.check_menu_item option) (win: GWindow.window) () =
78 if win#is_active then win#misc#hide () else win#show ();
81 | Some check -> check#set_active (not check#active)
83 let toggle_callback ~callback ~(check: GMenu.check_menu_item) =
84 ignore (check#connect#toggled (fun _ -> callback check#active))
86 let add_key_binding key callback (evbox: GBin.event_box) =
87 ignore (evbox#event#connect#key_press (function
88 | key' when GdkEvent.Key.keyval key' = key ->
93 class stringListModel (tree_view: GTree.view) =
94 let column_list = new GTree.column_list in
95 let text_column = column_list#add Gobject.Data.string in
96 let list_store = GTree.list_store column_list in
97 let renderer = (GTree.cell_renderer_text [], ["text", text_column]) in
98 let view_column = GTree.view_column ~renderer () in
101 tree_view#set_model (Some (list_store :> GTree.model));
102 ignore (tree_view#append_column view_column)
104 method list_store = list_store
106 method easy_append s =
107 let tree_iter = list_store#append () in
108 list_store#set ~row:tree_iter ~column:text_column s
110 method easy_insert pos s =
111 let tree_iter = list_store#insert pos in
112 list_store#set ~row:tree_iter ~column:text_column s
114 method easy_selection () =
117 let iter = list_store#get_iter tree_path in
118 list_store#get ~row:iter ~column:text_column)
119 tree_view#selection#get_selected_rows
122 class taggedStringListModel ~(tags:(string * GdkPixbuf.pixbuf) list)
123 (tree_view: GTree.view)
125 let column_list = new GTree.column_list in
126 let tag_column = column_list#add Gobject.Data.gobject in
127 let text_column = column_list#add Gobject.Data.string in
128 let list_store = GTree.list_store column_list in
129 let text_renderer = (GTree.cell_renderer_text [], ["text", text_column]) in
130 let tag_renderer = (GTree.cell_renderer_pixbuf [], ["pixbuf", tag_column]) in
131 let text_vcolumn = GTree.view_column ~renderer:text_renderer () in
132 let tag_vcolumn = GTree.view_column ~renderer:tag_renderer () in
133 let lookup_pixbuf tag =
134 try List.assoc tag tags with Not_found -> assert false
138 tree_view#set_model (Some (list_store :> GTree.model));
139 ignore (tree_view#append_column tag_vcolumn);
140 ignore (tree_view#append_column text_vcolumn)
142 method list_store = list_store
144 method easy_append ~tag s =
145 let tree_iter = list_store#append () in
146 list_store#set ~row:tree_iter ~column:text_column s;
147 list_store#set ~row:tree_iter ~column:tag_column (lookup_pixbuf tag)
149 method easy_insert pos ~tag s =
150 let tree_iter = list_store#insert pos in
151 list_store#set ~row:tree_iter ~column:text_column s;
152 list_store#set ~row:tree_iter ~column:tag_column (lookup_pixbuf tag)
154 method easy_selection () =
157 let iter = list_store#get_iter tree_path in
158 list_store#get ~row:iter ~column:text_column)
159 tree_view#selection#get_selected_rows
164 method newUriDialog: unit -> MatitaGeneratedGui.uriChoiceDialog
165 method newInterpDialog: unit -> MatitaGeneratedGui.interpChoiceDialog
166 method newConfirmationDialog: unit -> MatitaGeneratedGui.confirmationDialog
167 method newEmptyDialog: unit -> MatitaGeneratedGui.emptyDialog
171 ~title ~message ~buttons ~callback
172 ?(message_type=`QUESTION) ?parent ?(use_markup=true)
173 ?(destroy_with_parent=true) ?(allow_grow=false) ?(allow_shrink=false)
174 ?icon ?(modal=true) ?(resizable=false) ?screen ?type_hint
175 ?(position=`CENTER_ON_PARENT) ?wm_name ?wm_class ?border_width ?width
176 ?height ?(show=true) ()
179 GWindow.message_dialog
180 ~message ~use_markup ~message_type ~buttons ?parent ~destroy_with_parent
181 ~title ~allow_grow ~allow_shrink ?icon ~modal ~resizable ?screen
182 ?type_hint ~position ?wm_name ?wm_class ?border_width ?width ?height
185 ignore(m#connect#response
186 ~callback:(fun a -> GMain.Main.quit ();callback a));
187 ignore(m#connect#close
188 ~callback:(fun _ -> GMain.Main.quit ();raise PopupClosed));
192 let popup_message_lowlevel
193 ~title ~message ?(no_separator=true) ~callback ~message_type ~buttons
194 ?parent ?(destroy_with_parent=true) ?(allow_grow=false) ?(allow_shrink=false)
195 ?icon ?(modal=true) ?(resizable=false) ?screen ?type_hint
196 ?(position=`CENTER_ON_PARENT) ?wm_name ?wm_class ?border_width ?width
197 ?height ?(show=true) ()
202 ?parent ~destroy_with_parent
203 ~title ~allow_grow ~allow_shrink ?icon ~modal ~resizable ?screen
204 ?type_hint ~position ?wm_name ?wm_class ?border_width ?width ?height
208 match message_type with
209 | `WARNING -> `DIALOG_WARNING
210 | `INFO -> `DIALOG_INFO
211 | `ERROR ->`DIALOG_ERROR
212 | `QUESTION -> `DIALOG_QUESTION
214 let image = GMisc.image ~stock ~icon_size:`DIALOG () in
215 let label = GMisc.label ~markup:message () in
216 let hbox = GPack.hbox ~spacing:10 () in
217 hbox#pack ~from:`START ~expand:true ~fill:true (image:>GObj.widget);
218 hbox#pack ~from:`START ~expand:true ~fill:true (label:>GObj.widget);
219 m#vbox#pack ~from:`START
220 ~padding:20 ~expand:true ~fill:true (hbox:>GObj.widget);
221 List.iter (fun (x, y) ->
222 m#add_button_stock x y;
224 m#set_default_response y
226 ignore(m#connect#response
227 ~callback:(fun a -> GMain.Main.quit ();callback a));
228 ignore(m#connect#close
229 ~callback:(fun _ -> GMain.Main.quit ();callback `POPUPCLOSED));
234 let ask_confirmation ~title ~message ?parent () =
240 | `CANCEL -> rc := `CANCEL
241 | `DELETE_EVENT -> rc := `CANCEL
242 | `POPUPCLOSED -> rc := `CANCEL
244 let buttons = [`YES,`YES ; `NO,`NO ; `CANCEL,`CANCEL] in
245 popup_message_lowlevel
246 ~title ~message ~message_type:`WARNING ~callback ~buttons ?parent ();
249 let report_error ~title ~message ?parent () =
250 let rc = ref false in
251 let callback _ = () in
252 let buttons = GWindow.Buttons.ok in
255 ~title ~message ~message_type:`ERROR ~callback ~buttons ?parent ()
260 let ask_text ~(gui:#gui) ?(title = "") ?(msg = "") ?(multiline = false) () =
261 let dialog = gui#newEmptyDialog () in
262 dialog#emptyDialog#set_title title;
263 dialog#emptyDialogLabel#set_label msg;
264 let result = ref None in
267 dialog#emptyDialog#destroy ();
270 ignore (dialog#emptyDialog#event#connect#delete (fun _ -> true));
271 if multiline then begin (* multiline input required: use a TextView widget *)
273 GBin.scrolled_window ~width:400 ~height:150 ~hpolicy:`NEVER
274 ~vpolicy:`ALWAYS ~packing:dialog#emptyDialogVBox#add ()
276 let view = GText.view ~wrap_mode:`CHAR ~packing:win#add () in
277 view#misc#grab_focus ();
278 connect_button dialog#emptyDialogOkButton (fun _ ->
279 return (Some (view#buffer#get_text ())))
280 end else begin (* monoline input required: use a TextEntry widget *)
281 let entry = GEdit.entry ~packing:dialog#emptyDialogVBox#add () in
282 entry#misc#grab_focus ();
283 connect_button dialog#emptyDialogOkButton (fun _ ->
284 return (Some entry#text))
286 connect_button dialog#emptyDialogCancelButton (fun _ ->return None);
287 dialog#emptyDialog#show ();
289 (match !result with None -> raise Cancel | Some r -> r)