open MatitaTypes
-let list_map_fail f =
- let rec aux = function
- | [] -> []
- | he::tl ->
- try
- let he' = f he in
- he'::(aux tl)
- with Exit ->
- (aux tl)
- in
- aux
+let add_trailing_slash =
+ let rex = Pcre.regexp "/$" in
+ fun s ->
+ if Pcre.pmatch ~rex s then s
+ else s ^ "/"
+
+let strip_blanks =
+ let rex = Pcre.regexp "^\\s*([^\\s]*)\\s*$" in
+ fun s ->
+ (Pcre.extract ~rex s).(1)
(** inherit from this class if you want to access current script *)
class scriptAccessor =
method private script = MatitaScript.instance ()
end
+let cicBrowsers = ref []
+let gui_instance = ref None
+let set_gui gui = gui_instance := Some gui
+let get_gui () =
+ match !gui_instance with
+ | None -> assert false
+ | Some gui -> gui
+
+let default_font_size () =
+ Helm_registry.get_opt_default Helm_registry.int
+ ~default:BuildTimeConf.default_font_size "matita.font_size"
+let current_font_size = ref ~-1
+let increase_font_size () = incr current_font_size
+let decrease_font_size () = decr current_font_size
+let reset_font_size () = current_font_size := default_font_size ()
+
+ (* is there any lablgtk2 constant corresponding to the left mouse button??? *)
+let left_button = 1
+
+let near (x1, y1) (x2, y2) =
+ let distance = sqrt (((x2 -. x1) ** 2.) +. ((y2 -. y1) ** 2.)) in
+ (distance < 4.)
+
+let href_ds = Gdome.domString "href"
+let xref_ds = Gdome.domString "xref"
+
class clickableMathView obj =
- let href = Gdome.domString "href" in
- let xref = Gdome.domString "xref" in
+ let text_width = 80 in
object (self)
inherit GMathViewAux.multi_selection_math_view obj
val mutable href_callback: (string -> unit) option = None
method set_href_callback f = href_callback <- f
+ val mutable _cic_info = None
+ method private set_cic_info info = _cic_info <- info
+ method private cic_info =
+ match _cic_info with
+ | Some info -> info
+ | None -> assert false
+
initializer
+ self#set_font_size !current_font_size;
ignore (self#connect#selection_changed self#choose_selection);
- ignore (self#connect#click (fun (gdome_elt, _, _, _) ->
+ ignore (self#event#connect#button_press self#button_press);
+ ignore (self#event#connect#button_release self#button_release);
+(* ignore (self#connect#click (fun (gdome_elt, _, _, _) ->
match gdome_elt with
- | Some elt (* element is an hyperlink, use href_callback on it *)
- when elt#hasAttributeNS ~namespaceURI:Misc.xlink_ns ~localName:href ->
+ | Some elt |+ element is an hyperlink, use href_callback on it +|
+ when elt#hasAttributeNS ~namespaceURI:DomMisc.xlink_ns ~localName:href ->
(match href_callback with
| None -> ()
| Some f ->
let uri =
- elt#getAttributeNS ~namespaceURI:Misc.xlink_ns ~localName:href
+ elt#getAttributeNS ~namespaceURI:DomMisc.xlink_ns ~localName:href
in
f (uri#to_string))
| Some elt -> ignore (self#action_toggle elt)
- | None -> ()))
+ | None -> ())) *)
+
+ val mutable button_press_x = -1.
+ val mutable button_press_y = -1.
+ val mutable selection_changed = false
+
+ method private button_press gdk_button =
+ if GdkEvent.Button.button gdk_button = left_button then begin
+ button_press_x <- GdkEvent.Button.x gdk_button;
+ button_press_y <- GdkEvent.Button.y gdk_button;
+ selection_changed <- false
+ end;
+ false
+
+ method private button_release gdk_button =
+ if GdkEvent.Button.button gdk_button = left_button then begin
+ let button_release_x = GdkEvent.Button.x gdk_button in
+ let button_release_y = GdkEvent.Button.y gdk_button in
+ (if near (button_press_x, button_press_y)
+ (button_release_x, button_release_y)
+ && not selection_changed
+ then
+ let x = int_of_float button_press_x in
+ let y = int_of_float button_press_y in
+ (match self#get_element_at x y with
+ | None -> ()
+ | Some elt ->
+ let namespaceURI = DomMisc.xlink_ns in
+ let localName = href_ds in
+ if elt#hasAttributeNS ~namespaceURI ~localName then
+ self#invoke_href_callback
+ (elt#getAttributeNS ~namespaceURI ~localName)#to_string
+ gdk_button
+ else
+ ignore (self#action_toggle elt)));
+ end;
+ false
+
+ method private invoke_href_callback href_value gdk_button =
+ let button = GdkEvent.Button.button gdk_button in
+ if button = left_button then
+ let time = GdkEvent.Button.time gdk_button in
+ match href_callback with
+ | None -> ()
+ | Some f ->
+ (match MatitaMisc.split href_value with
+ | [ uri ] -> f uri
+ | uris ->
+ let menu = GMenu.menu () in
+ List.iter
+ (fun uri ->
+ let menu_item =
+ GMenu.menu_item ~label:uri ~packing:menu#append ()
+ in
+ ignore (menu_item#connect#activate (fun () -> f uri)))
+ uris;
+ menu#popup ~button ~time)
+
method private choose_selection gdome_elt =
let rec aux elt =
- if elt#hasAttributeNS ~namespaceURI:Misc.helm_ns ~localName:xref then
+ if (elt#getAttributeNS ~namespaceURI:DomMisc.helm_ns
+ ~localName:xref_ds)#to_string <> ""
+(* if elt#hasAttributeNS ~namespaceURI:DomMisc.helm_ns ~localName:xref_ds
+ && (elt#getAttributeNS ~namespaceURI:DomMisc.helm_ns
+ ~localName:xref_ds)#to_string <> "" *)
+ then
self#set_selection (Some elt)
else
try
with GdomeInit.DOMCastException _ -> ()
(* debug_print "trying to select above the document root" *)
in
- match gdome_elt with
+ (match gdome_elt with
| Some elt -> aux elt
- | None -> self#set_selection None
+ | None -> self#set_selection None);
+ selection_changed <- true
+
+ method update_font_size =
+ self#set_font_size !current_font_size
+
+ method private get_term_by_id context id =
+ let ids_to_terms, ids_to_hypotheses = self#cic_info in
+ try
+ `Term (Hashtbl.find ids_to_terms id)
+ with Not_found ->
+ try
+ let hyp = Hashtbl.find ids_to_hypotheses id in
+ let context' = MatitaMisc.list_tl_at hyp context in
+ `Hyp context'
+ with Not_found -> assert false
+
+ method string_of_selected_terms =
+ let get_id (node: Gdome.element) =
+ let xref_attr =
+ node#getAttributeNS ~namespaceURI:DomMisc.helm_ns ~localName:xref_ds
+ in
+ xref_attr#to_string
+ in
+ let script = MatitaScript.instance () in
+ let metasenv = script#proofMetasenv in
+ let context = script#proofContext in
+ let conclusion = script#proofConclusion in
+ let cic_terms =
+ List.map
+ (fun node -> self#get_term_by_id context (get_id node))
+ self#get_selections
+ in
+(* TODO: code for patterns
+ let conclusion = (MatitaScript.instance ())#proofConclusion in
+ let conclusion_pattern =
+ ProofEngineHelpers.pattern_of ~term:conclusion cic_terms
+ in
+*)
+ let dummy_goal = ~-1 in
+ let cic_sequent =
+ match cic_terms with
+ | [] -> assert false
+ | `Term t :: _ ->
+ let context' =
+ ProofEngineHelpers.locate_in_conjecture t
+ (dummy_goal, context, conclusion)
+ in
+ dummy_goal, context', t
+ | `Hyp context :: _ -> dummy_goal, context, Cic.Rel 1
+ in
+(* TODO: code for patterns
+ (* TODO context shouldn't be empty *)
+ let cic_sequent = ~-1, [], conclusion_pattern in
+*)
+ let acic_sequent, _, _, ids_to_inner_sorts, _ =
+ Cic2acic.asequent_of_sequent metasenv cic_sequent
+ in
+ let _, _, _, annterm = acic_sequent in
+ let ast, ids_to_uris =
+ CicNotationRew.ast_of_acic ids_to_inner_sorts annterm
+ in
+ let pped_ast = CicNotationRew.pp_ast ast in
+ let markup = CicNotationPres.render ids_to_uris pped_ast in
+ BoxPp.render_to_string text_width markup
+
end
let clickableMathView ?hadjustment ?vadjustment ?font_size ?log_verbosity =
[]
class sequentViewer obj =
- object(self)
-
- inherit clickableMathView obj
-
- val mutable current_infos = None
+object (self)
+ inherit clickableMathView obj
- method get_selected_terms =
- let selections = self#get_selections in
- list_map_fail
- (fun node ->
- let xpath =
- ((node : Gdome.element)#getAttributeNS
- ~namespaceURI:Misc.helm_ns
- ~localName:(Gdome.domString "xref"))#to_string
- in
- if xpath = "" then assert false (* "ERROR: No xref found!!!" *)
- else
- match current_infos with
- | Some (ids_to_terms,_,_) ->
- (try Hashtbl.find ids_to_terms xpath with _ -> raise Exit)
- | None -> assert false) (* "ERROR: No current term!!!" *)
- selections
-
- method get_selected_hypotheses =
- let selections = self#get_selections in
- list_map_fail
- (fun node ->
- let xpath =
- ((node : Gdome.element)#getAttributeNS
- ~namespaceURI:Misc.helm_ns
- ~localName:(Gdome.domString "xref"))#to_string
- in
- if xpath = "" then assert false (* "ERROR: No xref found!!!" *)
- else
- match current_infos with
- | Some (_,_,ids_to_hypotheses) ->
- (try Hashtbl.find ids_to_hypotheses xpath with _ -> raise Exit)
- | None -> assert false) (* "ERROR: No current term!!!" *)
- selections
-
method load_sequent metasenv metano =
let sequent = CicUtil.lookup_meta metano metasenv in
- let (mathml,(_,(ids_to_terms, ids_to_father_ids, ids_to_hypotheses,_))) =
+ let (mathml, (_, (ids_to_terms, _, ids_to_hypotheses,_ ))) =
ApplyTransformation.mml_of_cic_sequent metasenv sequent
in
- current_infos <- Some (ids_to_terms, ids_to_father_ids, ids_to_hypotheses);
-(*
- debug_print "load_sequent: dumping MathML to ./prova";
- ignore (Misc.domImpl#saveDocumentToFile ~name:"./prova" ~doc:mathml ());
-*)
+ self#set_cic_info (Some (ids_to_terms, ids_to_hypotheses));
+ let name = "sequent_viewer.xml" in
+ prerr_endline ("load_sequent: dumping MathML to ./" ^ name);
+ ignore (DomMisc.domImpl#saveDocumentToFile ~name ~doc:mathml ());
self#load_root ~root:mathml#get_documentElement
end
scrolledWin <- Some w;
match sequentViewer#misc#parent with
| None -> w#add sequentViewer#coerce
- | Some _ -> sequentViewer#misc#reparent w#coerce
+ | Some parent ->
+ let parent =
+ match sequentViewer#misc#parent with
+ None -> assert false
+ | Some p -> GContainer.cast_container p
+ in
+ parent#remove sequentViewer#coerce;
+ w#add sequentViewer#coerce
in
goal2win <- (metano, reparent) :: goal2win;
w#coerce
| `String of string
]
-exception Browser_failure of string
-
-let cicBrowsers = ref []
-
class type cicBrowser =
object
method load: MatitaTypes.mathViewer_entry -> unit
method loadInput: string -> unit
end
+let reloadable = function
+ | `About `Current_proof
+ | `Dir _ ->
+ true
+ | _ -> false
+
class cicBrowser_impl ~(history:MatitaTypes.mathViewer_entry MatitaMisc.history)
()
=
let term_RE = Pcre.regexp "^term:(.*)" in
let whelp_RE = Pcre.regexp "^\\s*whelp" in
+ let uri_RE =
+ Pcre.regexp
+ "^cic:/([^/]+/)*[^/]+\\.(con|ind|var)(#xpointer\\(\\d+(/\\d+)+\\))?$"
+ in
+ let dir_RE = Pcre.regexp "^cic:((/([^/]+/)*[^/]+(/)?)|/|)$" in
let whelp_query_RE = Pcre.regexp "^\\s*whelp\\s+([^\\s]+)\\s+(.*)$" in
let trailing_slash_RE = Pcre.regexp "/$" in
let has_xpointer_RE = Pcre.regexp "#xpointer\\(\\d+/\\d+(/\\d+)?\\)$" in
- let gui = MatitaGui.instance () in
- let win = gui#newBrowserWin () in
+ let is_whelp txt = Pcre.pmatch ~rex:whelp_RE txt in
+ let is_uri txt = Pcre.pmatch ~rex:uri_RE txt in
+ let is_dir txt = Pcre.pmatch ~rex:dir_RE txt in
+ let gui = get_gui () in
+ let (win: MatitaGuiTypes.browserWin) = gui#newBrowserWin () in
let queries = ["Locate";"Hint";"Match";"Elim";"Instance"] in
let combo,_ = GEdit.combo_box_text ~strings:queries () in
let activate_combo_query input q =
in
let toplevel = win#toplevel in
let mathView = sequentViewer ~packing:win#scrolledBrowser#add () in
- let fail msg =
- ignore (MatitaGtkMisc.ask_confirmation ~gui:(MatitaGui.instance ())
- ~title:"Cic browser" ~msg ~cancel:false ());
+ let fail message =
+ MatitaGtkMisc.report_error ~title:"Cic browser" ~message
+ ~parent:toplevel ()
in
let tags =
[ "dir", GdkPixbuf.from_file (MatitaMisc.image_path "matita-folder.png");
let handle_error f =
try
f ()
- with exn ->
- fail (sprintf "Uncaught exception:\n%s" (Printexc.to_string exn))
+ with exn -> fail (MatitaExcPp.to_string exn)
in
- let handle_error' f = fun () -> handle_error f in (* used in callbacks *)
+ let handle_error' f = (fun () -> handle_error (fun () -> f ())) in
object (self)
inherit scriptAccessor
initializer
activate_combo_query "" "locate";
- win#comboVbox#add (combo :> GObj.widget);
+ win#whelpBarComboVbox#add combo#coerce;
let start_query () =
let query = String.lowercase (List.nth queries combo#active) in
let input = win#queryInputText#text in
in
ignore(win#queryInputText#connect#activate ~callback:start_query);
ignore(combo#connect#changed ~callback:start_query);
- win#whelpImage2#set_file "icons/whelp.png";
- win#whelpBarToggleButton#set_active false;
- win#whelpBarBox#misc#hide ();
+ win#whelpBarImage#set_file (MatitaMisc.image_path "whelp.png");
win#mathOrListNotebook#set_show_tabs false;
- MatitaGtkMisc.connect_toggle_button win#whelpBarToggleButton
- (fun () ->
- if win#whelpBarToggleButton#active then
- win#whelpBarBox#misc#show ()
- else
- win#whelpBarBox#misc#hide ());
win#browserForwardButton#misc#set_sensitive false;
win#browserBackButton#misc#set_sensitive false;
- ignore (win#browserUri#connect#activate (handle_error' (fun () ->
- self#loadInput win#browserUri#text)));
+ ignore (win#browserUri#entry#connect#activate (handle_error' (fun () ->
+ self#loadInput win#browserUri#entry#text)));
ignore (win#browserHomeButton#connect#clicked (handle_error' (fun () ->
- self#_load (`About `Current_proof))));
+ self#load (`About `Current_proof))));
ignore (win#browserRefreshButton#connect#clicked
(handle_error' self#refresh));
ignore (win#browserBackButton#connect#clicked (handle_error' self#back));
false));
ignore(win#whelpResultTreeview#connect#row_activated
~callback:(fun _ _ ->
- let selection = self#_getWhelpResultTreeviewSelection () in
- let is_cic s =
- try
- String.sub s 0 5 = "cic:/"
- with Invalid_argument _ -> false
- in
- let txt =
- if is_cic selection then
- selection
- else
- win#browserUri#text ^ selection
- in
- self#loadInput txt));
+ handle_error (fun () -> self#loadInput (self#_getSelectedUri ()))));
mathView#set_href_callback (Some (fun uri ->
- handle_error (fun () -> self#_load (`Uri uri))));
+ handle_error (fun () ->
+ self#load (`Uri (UriManager.uri_of_string uri)))));
self#_load (`About `Blank);
toplevel#show ()
val mutable current_infos = None
val mutable current_mathml = None
-(* val model = new MatitaGtkMisc.stringListModel win#whelpResultTreeview *)
val model =
new MatitaGtkMisc.taggedStringListModel tags win#whelpResultTreeview
- method private _getWhelpResultTreeviewSelection () =
+ val mutable lastDir = "" (* last loaded "directory" *)
+
+ method private _getSelectedUri () =
match model#easy_selection () with
- | [u] -> u
- | _ -> assert false
+ | [sel] when is_uri sel -> sel (* absolute URI selected *)
+(* | [sel] -> win#browserUri#entry#text ^ sel |+ relative URI selected +| *)
+ | [sel] -> lastDir ^ sel
+ | _ -> assert false
(** history RATIONALE
*
- * all operations about history are done using _historyFoo
- *
- * only toplevel function like load loadInput can call
- * _historyAdd
+ * All operations about history are done using _historyFoo.
+ * Only toplevel functions (ATM load and loadInput) call _historyAdd.
*)
method private _historyAdd item =
method private _showList = win#mathOrListNotebook#goto_page 1
method private _showMath = win#mathOrListNotebook#goto_page 0
-
-
method private back () =
try
self#_load (self#_historyPrev ())
* @param uri string *)
method private _load entry =
try
- if entry <> current_entry || entry = `About `Current_proof then begin
- (match entry with
- | `About `Current_proof -> self#home ()
- | `About `Blank -> self#blank ()
- | `About `Us -> () (* TODO implement easter egg here :-] *)
- | `Check term -> self#_loadCheck term
- | `Cic (term, metasenv) -> self#_loadTermCic term metasenv
- | `Dir dir -> self#_loadDir dir
- | `Uri uri -> self#_loadUriManagerUri (UriManager.uri_of_string uri)
- | `Whelp (query, results) ->
- set_whelp_query query;
- self#_loadList (List.map (fun r -> "dir", r) results));
- self#setEntry entry
- end
- with
- | UriManager.IllFormedUri uri -> fail (sprintf "invalid uri: %s" uri)
- | CicEnvironment.Object_not_found uri ->
- fail (sprintf "object not found: %s" (UriManager.string_of_uri uri))
- | Browser_failure msg -> fail msg
+ if entry <> current_entry || reloadable entry then begin
+ (match entry with
+ | `About `Current_proof -> self#home ()
+ | `About `Blank -> self#blank ()
+ | `About `Us -> () (* TODO implement easter egg here :-] *)
+ | `Check term -> self#_loadCheck term
+ | `Cic (term, metasenv) -> self#_loadTermCic term metasenv
+ | `Dir dir -> self#_loadDir dir
+ | `Uri uri -> self#_loadUriManagerUri uri
+ | `Whelp (query, results) ->
+ set_whelp_query query;
+ self#_loadList (List.map (fun r -> "obj",
+ UriManager.string_of_uri r) results));
+ self#setEntry entry
+ end
+ with exn -> fail (MatitaExcPp.to_string exn)
method private blank () =
self#_showMath;
method private _loadDir dir =
let content = Http_getter.ls dir in
- let l = List.map (function
- | Http_getter_types.Ls_section sec -> "dir", sec
- | Http_getter_types.Ls_object obj -> "obj", obj.Http_getter_types.uri
- ) content
+ let l =
+ List.fast_sort
+ Pervasives.compare
+ (List.map
+ (function
+ | Http_getter_types.Ls_section s -> "dir", s
+ | Http_getter_types.Ls_object o -> "obj", o.Http_getter_types.uri)
+ content)
in
+ lastDir <- dir;
self#_loadList l
method private setEntry entry =
- win#browserUri#set_text (string_of_entry entry);
+ win#browserUri#entry#set_text (string_of_entry entry);
current_entry <- entry
method private _loadObj obj =
* if the widget is not mapped (hidden by the notebook)
* the document is not rendered *)
let use_diff = false in (* ZACK TODO use XmlDiff when re-rendering? *)
- let (mathml, (_,(ids_to_terms, ids_to_father_ids, ids_to_conjectures,
- ids_to_hypotheses,_,_))) =
+ let (mathml, (_,((ids_to_terms, ids_to_father_ids, ids_to_conjectures,
+ ids_to_hypotheses, ids_to_inner_sorts, ids_to_inner_types) as info)))
+ =
ApplyTransformation.mml_of_cic_object obj
in
- current_infos <- Some (ids_to_terms, ids_to_father_ids,
- ids_to_conjectures, ids_to_hypotheses);
+ current_infos <- Some info;
(match current_mathml with
| Some current_mathml when use_diff ->
mathView#freeze;
XmlDiff.update_dom ~from:current_mathml mathml;
mathView#thaw
| _ ->
+ let name = "cic_browser.xml" in
+ prerr_endline ("cic_browser: dumping MathML to ./" ^ name);
+ ignore (DomMisc.domImpl#saveDocumentToFile ~name ~doc:mathml ());
mathView#load_root ~root:mathml#get_documentElement;
current_mathml <- Some mathml);
(** { public methods, all must call _load!! } *)
- method load uri =
- handle_error (fun () -> self#_load uri);
- self#_historyAdd uri
+ method load entry =
+ handle_error (fun () -> self#_load entry; self#_historyAdd entry)
(** this is what the browser does when you enter a string an hit enter *)
- method loadInput txt =
- let add_terminating_slash s =
- if not(Pcre.pmatch ~rex:trailing_slash_RE s) &&
- not(Pcre.pmatch ~rex:has_xpointer_RE s) then s^"/" else s
- in
- let is_uri txt =
- try
- let u = UriManager.strip_xpointer (UriManager.uri_of_string txt) in
- ignore (Http_getter.resolve' u);
- true
- with
- | Http_getter_types.Key_not_found _
- | Http_getter_types.Unresolvable_URI _
- | UriManager.IllFormedUri ("cic:/" | "cic:") -> false
- | UriManager.IllFormedUri u -> failwith ("Malformed URI '" ^ u ^ "'")
+ method loadInput txt =
+ let txt = strip_blanks txt in
+ let fix_uri txt =
+ UriManager.string_of_uri
+ (UriManager.strip_xpointer (UriManager.uri_of_string txt))
in
- let is_whelp txt = Pcre.pmatch ~rex:whelp_RE txt in
- if is_whelp txt then
- begin
- set_whelp_query txt;
-
-
- (MatitaScript.instance ())#advance ~statement:(txt^".") ()
- end
- else
- begin
- let entry =
- if is_uri txt then
- (`Uri txt)
- else
- (`Dir (add_terminating_slash txt))
- in
- self#_load entry;
- self#_historyAdd entry
- end
-
-
+ if is_whelp txt then begin
+ set_whelp_query txt;
+ (MatitaScript.instance ())#advance ~statement:(txt ^ ".") ()
+ end else begin
+ let entry =
+ match txt with
+ | txt when is_uri txt -> `Uri (UriManager.uri_of_string (fix_uri txt))
+ | txt when is_dir txt -> `Dir (add_trailing_slash txt)
+ | txt ->
+ (try
+ entry_of_string txt
+ with Invalid_argument _ ->
+ command_error (sprintf "unsupported uri: %s" txt))
+ in
+ self#_load entry;
+ self#_historyAdd entry
+ end
+
+ (** {2 methods accessing underlying GtkMathView} *)
+
+ method updateFontSize = mathView#set_font_size !current_font_size
+
(** {2 methods used by constructor only} *)
method win = win
method history = history
method currentEntry = current_entry
method refresh () =
- if current_entry = `About `Current_proof then
- self#_load (`About `Current_proof)
- end
+ if reloadable current_entry then self#_load current_entry
+ end
let sequentsViewer ~(notebook:GPack.notebook)
~(sequentViewer:sequentViewer) ()
let history = new MatitaMisc.browser_history size (`About `Blank) in
aux history
-let refresh_all_browsers () = List.iter (fun b -> b#refresh ()) !cicBrowsers
-
let default_sequentViewer () = sequentViewer ~show:true ()
let sequentViewer_instance = MatitaMisc.singleton default_sequentViewer
let default_sequentsViewer () =
- let gui = MatitaGui.instance () in
+ let gui = get_gui () in
let sequentViewer = sequentViewer_instance () in
sequentsViewer ~notebook:gui#main#sequentsNotebook ~sequentViewer ()
let sequentsViewer_instance = MatitaMisc.singleton default_sequentsViewer
method show_uri_list ?(reuse=false) ~entry l =
(self#get_browser reuse)#load entry
end
+
+let refresh_all_browsers () = List.iter (fun b -> b#refresh ()) !cicBrowsers
+
+let update_font_sizes () =
+ List.iter (fun b -> b#updateFontSize) !cicBrowsers;
+ (sequentViewer_instance ())#update_font_size
+