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://cs.unibo.it/helm/.
31 let add_trailing_slash =
32 let rex = Pcre.regexp "/$" in
34 if Pcre.pmatch ~rex s then s
38 let rex = Pcre.regexp "^\\s*([^\\s]*)\\s*$" in
40 (Pcre.extract ~rex s).(1)
42 (** inherit from this class if you want to access current script *)
43 class scriptAccessor =
45 method private script = MatitaScript.instance ()
48 let cicBrowsers = ref []
49 let gui_instance = ref None
50 let set_gui gui = gui_instance := Some gui
52 match !gui_instance with
53 | None -> assert false
56 let default_font_size () =
57 Helm_registry.get_opt_default Helm_registry.int
58 ~default:BuildTimeConf.default_font_size "matita.font_size"
59 let current_font_size = ref ~-1
60 let increase_font_size () = incr current_font_size
61 let decrease_font_size () = decr current_font_size
62 let reset_font_size () = current_font_size := default_font_size ()
64 (* is there any lablgtk2 constant corresponding to the various mouse
70 let near (x1, y1) (x2, y2) =
71 let distance = sqrt (((x2 -. x1) ** 2.) +. ((y2 -. y1) ** 2.)) in
74 let href_ds = Gdome.domString "href"
75 let xref_ds = Gdome.domString "xref"
77 class clickableMathView obj =
78 let text_width = 80 in
80 inherit GMathViewAux.multi_selection_math_view obj
82 val mutable href_callback: (string -> unit) option = None
83 method set_href_callback f = href_callback <- f
85 val mutable _cic_info = None
86 method private set_cic_info info = _cic_info <- info
87 method private cic_info =
90 | None -> assert false
93 self#set_font_size !current_font_size;
94 ignore (self#connect#selection_changed self#choose_selection_cb);
95 ignore (self#event#connect#button_press self#button_press_cb);
96 ignore (self#event#connect#button_release self#button_release_cb);
97 ignore (self#event#connect#selection_clear self#selection_clear_cb);
98 ignore (self#coerce#misc#connect#selection_get self#selection_get_cb);
99 self#coerce#misc#add_selection_target
100 ~target:(Gdk.Atom.name Gdk.Atom.string) Gdk.Atom.primary
102 val mutable button_press_x = -1.
103 val mutable button_press_y = -1.
104 val mutable selection_changed = false
105 (* val mutable ignore_next_selection_clear = false *)
107 method private selection_get_cb ctxt ~info ~time =
108 (match self#get_selections with
110 | node :: _ -> ctxt#return (self#string_of_node node))
112 method private selection_clear_cb sel_event =
113 self#remove_selections;
116 method private button_press_cb gdk_button =
117 let button = GdkEvent.Button.button gdk_button in
118 if button = left_button then begin
119 button_press_x <- GdkEvent.Button.x gdk_button;
120 button_press_y <- GdkEvent.Button.y gdk_button;
121 selection_changed <- false
122 end else if button = right_button then
123 self#popup_contextual_menu (GdkEvent.Button.time gdk_button);
126 method private popup_contextual_menu time =
127 match self#string_of_selection with
130 let clipboard = GData.clipboard Gdk.Atom.clipboard in
131 let menu = GMenu.menu () in
133 GMenu.image_menu_item
134 ~label:"_Copy" ~stock:`COPY ~packing:menu#append ()
136 connect_menu_item copy_menu_item (fun () -> clipboard#set_text s);
137 menu#popup ~button:right_button ~time
139 method private button_release_cb gdk_button =
140 let clipboard = GData.clipboard Gdk.Atom.primary in
141 if GdkEvent.Button.button gdk_button = left_button then begin
142 let button_release_x = GdkEvent.Button.x gdk_button in
143 let button_release_y = GdkEvent.Button.y gdk_button in
144 if selection_changed then
146 else (* selection _not_ changed *)
147 if near (button_press_x, button_press_y)
148 (button_release_x, button_release_y)
150 let x = int_of_float button_press_x in
151 let y = int_of_float button_press_y in
152 (match self#get_element_at x y with
155 let namespaceURI = DomMisc.xlink_ns in
156 let localName = href_ds in
157 if elt#hasAttributeNS ~namespaceURI ~localName then
158 self#invoke_href_callback
159 (elt#getAttributeNS ~namespaceURI ~localName)#to_string
162 ignore (self#action_toggle elt));
166 method private invoke_href_callback href_value gdk_button =
167 let button = GdkEvent.Button.button gdk_button in
168 if button = left_button then
169 let time = GdkEvent.Button.time gdk_button in
170 match href_callback with
173 (match MatitaMisc.split href_value with
176 let menu = GMenu.menu () in
180 GMenu.menu_item ~label:uri ~packing:menu#append ()
182 connect_menu_item menu_item (fun () -> f uri))
184 menu#popup ~button ~time)
186 method private choose_selection_cb gdome_elt =
187 let (gui: MatitaGuiTypes.gui) = get_gui () in
188 let clipboard = GData.clipboard Gdk.Atom.primary in
190 if (elt#getAttributeNS ~namespaceURI:DomMisc.helm_ns
191 ~localName:xref_ds)#to_string <> ""
192 (* if elt#hasAttributeNS ~namespaceURI:DomMisc.helm_ns ~localName:xref_ds
193 && (elt#getAttributeNS ~namespaceURI:DomMisc.helm_ns
194 ~localName:xref_ds)#to_string <> "" *)
196 self#set_selection (Some elt);
197 ignore (self#coerce#misc#grab_selection Gdk.Atom.primary)
200 (match elt#get_parentNode with
201 | None -> assert false
202 | Some p -> aux (new Gdome.element_of_node p))
203 with GdomeInit.DOMCastException _ -> ()
205 (match gdome_elt with
206 | Some elt -> aux elt
207 | None -> self#set_selection None);
208 selection_changed <- true
210 method update_font_size = self#set_font_size !current_font_size
212 method private get_term_by_id context id =
213 let ids_to_terms, ids_to_hypotheses = self#cic_info in
215 `Term (Hashtbl.find ids_to_terms id)
218 let hyp = Hashtbl.find ids_to_hypotheses id in
219 let context' = MatitaMisc.list_tl_at hyp context in
221 with Not_found -> assert false
223 method private string_of_node node =
224 let get_id (node: Gdome.element) =
226 node#getAttributeNS ~namespaceURI:DomMisc.helm_ns ~localName:xref_ds
230 let script = MatitaScript.instance () in
231 let metasenv = script#proofMetasenv in
232 let context = script#proofContext in
233 let conclusion = script#proofConclusion in
234 (* TODO: code for patterns
235 let conclusion = (MatitaScript.instance ())#proofConclusion in
236 let conclusion_pattern =
237 ProofEngineHelpers.pattern_of ~term:conclusion cic_terms
240 let dummy_goal = ~-1 in
241 let string_of_cic_sequent cic_sequent =
242 let acic_sequent, _, _, ids_to_inner_sorts, _ =
243 Cic2acic.asequent_of_sequent metasenv cic_sequent
245 let _, _, _, annterm = acic_sequent in
246 let ast, ids_to_uris =
247 CicNotationRew.ast_of_acic ids_to_inner_sorts annterm
249 let pped_ast = CicNotationRew.pp_ast ast in
250 let markup = CicNotationPres.render ids_to_uris pped_ast in
251 BoxPp.render_to_string text_width markup
253 let term = self#get_term_by_id context (get_id node) in
258 ProofEngineHelpers.locate_in_conjecture t
259 (dummy_goal, context, conclusion)
261 dummy_goal, context', t
262 | `Hyp context -> dummy_goal, context, Cic.Rel 1
264 string_of_cic_sequent cic_sequent
266 method string_of_selections =
267 List.map self#string_of_node (List.rev self#get_selections)
269 method string_of_selection =
270 match self#get_selections with
272 | node :: _ -> Some (self#string_of_node node)
276 let clickableMathView ?hadjustment ?vadjustment ?font_size ?log_verbosity =
277 GtkBase.Widget.size_params
278 ~cont:(OgtkMathViewProps.pack_return (fun p ->
279 OgtkMathViewProps.set_params
280 (new clickableMathView (GtkMathViewProps.MathView_GMetaDOM.create p))
281 ~font_size:None ~log_verbosity:None))
284 class sequentViewer obj =
286 inherit clickableMathView obj
288 method load_sequent metasenv metano =
289 let sequent = CicUtil.lookup_meta metano metasenv in
290 let (mathml, (_, (ids_to_terms, _, ids_to_hypotheses,_ ))) =
291 ApplyTransformation.mml_of_cic_sequent metasenv sequent
293 self#set_cic_info (Some (ids_to_terms, ids_to_hypotheses));
294 let name = "sequent_viewer.xml" in
295 MatitaLog.debug ("load_sequent: dumping MathML to ./" ^ name);
296 ignore (DomMisc.domImpl#saveDocumentToFile ~name ~doc:mathml ());
297 self#load_root ~root:mathml#get_documentElement
300 class sequentsViewer ~(notebook:GPack.notebook)
301 ~(sequentViewer:sequentViewer) ()
304 inherit scriptAccessor
306 val mutable pages = 0
307 val mutable switch_page_callback = None
308 val mutable page2goal = [] (* associative list: page no -> goal no *)
309 val mutable goal2page = [] (* the other way round *)
310 val mutable goal2win = [] (* associative list: goal no -> scrolled win *)
311 val mutable _metasenv = []
312 val mutable scrolledWin: GBin.scrolled_window option = None
313 (* scrolled window to which the sequentViewer is currently attached *)
315 method private tab_label metano =
316 (GMisc.label ~text:(sprintf "?%d" metano) ~show:true ())#coerce
319 (match scrolledWin with
321 (* removing page from the notebook will destroy all contained widget,
322 * we do not want the sequentViewer to be destroyed as well *)
323 w#remove sequentViewer#coerce;
326 for i = 1 to pages do notebook#remove_page 0 done;
332 self#script#setGoal ~-1;
333 (match switch_page_callback with
335 GtkSignal.disconnect notebook#as_widget id;
336 switch_page_callback <- None
339 method load_sequents (status: ProofEngineTypes.status) =
340 let ((_, metasenv, _, _), goal) = status in
341 let sequents_no = List.length metasenv in
342 _metasenv <- metasenv;
343 pages <- sequents_no;
344 self#script#setGoal goal;
347 GBin.scrolled_window ~hpolicy:`AUTOMATIC ~vpolicy:`AUTOMATIC
348 ~shadow_type:`IN ~show:true ()
351 scrolledWin <- Some w;
352 match sequentViewer#misc#parent with
353 | None -> w#add sequentViewer#coerce
356 match sequentViewer#misc#parent with
358 | Some p -> GContainer.cast_container p
360 parent#remove sequentViewer#coerce;
361 w#add sequentViewer#coerce
363 goal2win <- (metano, reparent) :: goal2win;
368 (fun (metano, _, _) ->
369 page2goal <- (!page, metano) :: page2goal;
370 goal2page <- (metano, !page) :: goal2page;
372 notebook#append_page ~tab_label:(self#tab_label metano) (win metano))
374 switch_page_callback <-
375 Some (notebook#connect#switch_page ~callback:(fun page ->
378 List.assoc page page2goal
379 with Not_found -> assert false
381 self#script#setGoal goal;
382 self#render_page ~page ~goal))
384 method private render_page ~page ~goal =
385 sequentViewer#load_sequent _metasenv goal;
387 List.assoc goal goal2win ();
388 sequentViewer#set_selection None
389 with Not_found -> assert false
391 method goto_sequent goal =
394 List.assoc goal goal2page
395 with Not_found -> assert false
397 notebook#goto_page page;
398 self#render_page page goal
404 type 'widget constructor =
405 ?hadjustment:GData.adjustment ->
406 ?vadjustment:GData.adjustment ->
408 ?log_verbosity:int ->
411 ?packing:(GObj.widget -> unit) ->
416 let sequentViewer ?hadjustment ?vadjustment ?font_size ?log_verbosity =
417 GtkBase.Widget.size_params
418 ~cont:(OgtkMathViewProps.pack_return (fun p ->
419 OgtkMathViewProps.set_params
420 (new sequentViewer (GtkMathViewProps.MathView_GMetaDOM.create p))
421 ~font_size ~log_verbosity))
424 let blank_uri = BuildTimeConf.blank_uri
425 let current_proof_uri = BuildTimeConf.current_proof_uri
428 [ `Ast of DisambiguateTypes.term
429 | `Cic of Cic.term * Cic.metasenv
433 let reloadable = function
434 | `About `Current_proof
439 class cicBrowser_impl ~(history:MatitaTypes.mathViewer_entry MatitaMisc.history)
442 let term_RE = Pcre.regexp "^term:(.*)" in
443 let whelp_RE = Pcre.regexp "^\\s*whelp" in
446 "^cic:/([^/]+/)*[^/]+\\.(con|ind|var)(#xpointer\\(\\d+(/\\d+)+\\))?$"
448 let dir_RE = Pcre.regexp "^cic:((/([^/]+/)*[^/]+(/)?)|/|)$" in
449 let whelp_query_RE = Pcre.regexp "^\\s*whelp\\s+([^\\s]+)\\s+(.*)$" in
450 let trailing_slash_RE = Pcre.regexp "/$" in
451 let has_xpointer_RE = Pcre.regexp "#xpointer\\(\\d+/\\d+(/\\d+)?\\)$" in
452 let is_whelp txt = Pcre.pmatch ~rex:whelp_RE txt in
453 let is_uri txt = Pcre.pmatch ~rex:uri_RE txt in
454 let is_dir txt = Pcre.pmatch ~rex:dir_RE txt in
455 let gui = get_gui () in
456 let (win: MatitaGuiTypes.browserWin) = gui#newBrowserWin () in
457 let queries = ["Locate";"Hint";"Match";"Elim";"Instance"] in
458 let combo,_ = GEdit.combo_box_text ~strings:queries () in
459 let activate_combo_query input q =
460 let q' = String.lowercase q in
461 let rec aux i = function
462 | [] -> failwith ("Whelp query '" ^ q ^ "' not found")
463 | h::_ when String.lowercase h = q' -> i
464 | _::tl -> aux (i+1) tl
466 combo#set_active (aux 0 queries);
467 win#queryInputText#set_text input
469 let set_whelp_query txt =
472 let q = Pcre.extract ~rex:whelp_query_RE txt in
474 with Invalid_argument _ -> failwith "Malformed Whelp query"
476 activate_combo_query arg query
478 let toplevel = win#toplevel in
479 let mathView = sequentViewer ~packing:win#scrolledBrowser#add () in
481 MatitaGtkMisc.report_error ~title:"Cic browser" ~message
485 [ "dir", GdkPixbuf.from_file (MatitaMisc.image_path "matita-folder.png");
486 "obj", GdkPixbuf.from_file (MatitaMisc.image_path "matita-object.png") ]
491 with exn -> fail (MatitaExcPp.to_string exn)
493 let handle_error' f = (fun () -> handle_error (fun () -> f ())) in
495 inherit scriptAccessor
497 (* Whelp bar queries *)
500 activate_combo_query "" "locate";
501 win#whelpBarComboVbox#add combo#coerce;
503 let query = String.lowercase (List.nth queries combo#active) in
504 let input = win#queryInputText#text in
505 let statement = "whelp " ^ query ^ " " ^ input ^ "." in
506 (MatitaScript.instance ())#advance ~statement ()
508 ignore(win#queryInputText#connect#activate ~callback:start_query);
509 ignore(combo#connect#changed ~callback:start_query);
510 win#whelpBarImage#set_file (MatitaMisc.image_path "whelp.png");
511 win#mathOrListNotebook#set_show_tabs false;
513 win#browserForwardButton#misc#set_sensitive false;
514 win#browserBackButton#misc#set_sensitive false;
515 ignore (win#browserUri#entry#connect#activate (handle_error' (fun () ->
516 self#loadInput win#browserUri#entry#text)));
517 ignore (win#browserHomeButton#connect#clicked (handle_error' (fun () ->
518 self#load (`About `Current_proof))));
519 ignore (win#browserRefreshButton#connect#clicked
520 (handle_error' self#refresh));
521 ignore (win#browserBackButton#connect#clicked (handle_error' self#back));
522 ignore (win#browserForwardButton#connect#clicked
523 (handle_error' self#forward));
524 ignore (win#toplevel#event#connect#delete (fun _ ->
525 let my_id = Oo.id self in
526 cicBrowsers := List.filter (fun b -> Oo.id b <> my_id) !cicBrowsers;
527 if !cicBrowsers = [] &&
528 Helm_registry.get "matita.mode" = "cicbrowser"
532 ignore(win#whelpResultTreeview#connect#row_activated
533 ~callback:(fun _ _ ->
534 handle_error (fun () -> self#loadInput (self#_getSelectedUri ()))));
535 mathView#set_href_callback (Some (fun uri ->
536 handle_error (fun () ->
537 self#load (`Uri (UriManager.uri_of_string uri)))));
538 self#_load (`About `Blank);
541 val mutable current_entry = `About `Blank
542 val mutable current_infos = None
543 val mutable current_mathml = None
546 new MatitaGtkMisc.taggedStringListModel tags win#whelpResultTreeview
548 val mutable lastDir = "" (* last loaded "directory" *)
550 method mathView = (mathView :> MatitaGuiTypes.clickableMathView)
552 method private _getSelectedUri () =
553 match model#easy_selection () with
554 | [sel] when is_uri sel -> sel (* absolute URI selected *)
555 (* | [sel] -> win#browserUri#entry#text ^ sel |+ relative URI selected +| *)
556 | [sel] -> lastDir ^ sel
559 (** history RATIONALE
561 * All operations about history are done using _historyFoo.
562 * Only toplevel functions (ATM load and loadInput) call _historyAdd.
565 method private _historyAdd item =
567 win#browserBackButton#misc#set_sensitive true;
568 win#browserForwardButton#misc#set_sensitive false
570 method private _historyPrev () =
571 let item = history#previous in
572 if history#is_begin then win#browserBackButton#misc#set_sensitive false;
573 win#browserForwardButton#misc#set_sensitive true;
576 method private _historyNext () =
577 let item = history#next in
578 if history#is_end then win#browserForwardButton#misc#set_sensitive false;
579 win#browserBackButton#misc#set_sensitive true;
582 (** notebook RATIONALE
584 * Use only these functions to switch between the tabs
586 method private _showList = win#mathOrListNotebook#goto_page 1
587 method private _showMath = win#mathOrListNotebook#goto_page 0
589 method private back () =
591 self#_load (self#_historyPrev ())
592 with MatitaMisc.History_failure -> ()
594 method private forward () =
596 self#_load (self#_historyNext ())
597 with MatitaMisc.History_failure -> ()
599 (* loads a uri which can be a cic uri or an about:* uri
600 * @param uri string *)
601 method private _load entry =
603 if entry <> current_entry || reloadable entry then begin
605 | `About `Current_proof -> self#home ()
606 | `About `Blank -> self#blank ()
607 | `About `Us -> () (* TODO implement easter egg here :-] *)
608 | `Check term -> self#_loadCheck term
609 | `Cic (term, metasenv) -> self#_loadTermCic term metasenv
610 | `Dir dir -> self#_loadDir dir
611 | `Uri uri -> self#_loadUriManagerUri uri
612 | `Whelp (query, results) ->
613 set_whelp_query query;
614 self#_loadList (List.map (fun r -> "obj",
615 UriManager.string_of_uri r) results));
618 with exn -> fail (MatitaExcPp.to_string exn)
620 method private blank () =
622 mathView#load_root (MatitaMisc.empty_mathml ())#get_documentElement
624 method private _loadCheck term =
625 failwith "not implemented _loadCheck";
628 method private home () =
630 match self#script#status.proof_status with
631 | Proof (uri, metasenv, bo, ty) ->
632 let name = UriManager.name_of_uri (MatitaMisc.unopt uri) in
633 let obj = Cic.CurrentProof (name, metasenv, bo, ty, [], []) in
635 | Incomplete_proof ((uri, metasenv, bo, ty), _) ->
636 let name = UriManager.name_of_uri (MatitaMisc.unopt uri) in
637 let obj = Cic.CurrentProof (name, metasenv, bo, ty, [], []) in
641 (** loads a cic uri from the environment
642 * @param uri UriManager.uri *)
643 method private _loadUriManagerUri uri =
644 let uri = UriManager.strip_xpointer uri in
645 let (obj, _) = CicEnvironment.get_obj CicUniv.empty_ugraph uri in
648 method private _loadDir dir =
649 let content = Http_getter.ls dir in
655 | Http_getter_types.Ls_section s -> "dir", s
656 | Http_getter_types.Ls_object o -> "obj", o.Http_getter_types.uri)
662 method private setEntry entry =
663 win#browserUri#entry#set_text (string_of_entry entry);
664 current_entry <- entry
666 method private _loadObj obj =
668 (* this must be _before_ loading the document, since
669 * if the widget is not mapped (hidden by the notebook)
670 * the document is not rendered *)
671 let use_diff = false in (* ZACK TODO use XmlDiff when re-rendering? *)
672 let (mathml, (_,((ids_to_terms, ids_to_father_ids, ids_to_conjectures,
673 ids_to_hypotheses, ids_to_inner_sorts, ids_to_inner_types) as info)))
675 ApplyTransformation.mml_of_cic_object obj
677 current_infos <- Some info;
678 (match current_mathml with
679 | Some current_mathml when use_diff ->
681 XmlDiff.update_dom ~from:current_mathml mathml;
684 let name = "cic_browser.xml" in
685 MatitaLog.debug ("cic_browser: dumping MathML to ./" ^ name);
686 ignore (DomMisc.domImpl#saveDocumentToFile ~name ~doc:mathml ());
687 mathView#load_root ~root:mathml#get_documentElement;
688 current_mathml <- Some mathml);
690 method private _loadTermCic term metasenv =
691 let context = self#script#proofContext in
692 let dummyno = CicMkImplicit.new_meta metasenv [] in
693 let sequent = (dummyno, context, term) in
694 mathView#load_sequent (sequent :: metasenv) dummyno;
697 method private _loadList l =
698 model#list_store#clear ();
699 List.iter (fun (tag, s) -> model#easy_append ~tag s) l;
702 (** { public methods, all must call _load!! } *)
705 handle_error (fun () -> self#_load entry; self#_historyAdd entry)
707 (** this is what the browser does when you enter a string an hit enter *)
708 method loadInput txt =
709 let txt = strip_blanks txt in
711 UriManager.string_of_uri
712 (UriManager.strip_xpointer (UriManager.uri_of_string txt))
714 if is_whelp txt then begin
716 (MatitaScript.instance ())#advance ~statement:(txt ^ ".") ()
720 | txt when is_uri txt -> `Uri (UriManager.uri_of_string (fix_uri txt))
721 | txt when is_dir txt -> `Dir (add_trailing_slash txt)
725 with Invalid_argument _ ->
726 command_error (sprintf "unsupported uri: %s" txt))
729 self#_historyAdd entry
732 (** {2 methods accessing underlying GtkMathView} *)
734 method updateFontSize = mathView#set_font_size !current_font_size
736 (** {2 methods used by constructor only} *)
739 method history = history
740 method currentEntry = current_entry
742 if reloadable current_entry then self#_load current_entry
746 let sequentsViewer ~(notebook:GPack.notebook)
747 ~(sequentViewer:sequentViewer) ()
749 new sequentsViewer ~notebook ~sequentViewer ()
752 let size = BuildTimeConf.browser_history_size in
753 let rec aux history =
754 let browser = new cicBrowser_impl ~history () in
755 let win = browser#win in
756 ignore (win#browserNewButton#connect#clicked (fun () ->
758 new MatitaMisc.browser_history ~memento:history#save size
761 let newBrowser = aux history in
762 newBrowser#load browser#currentEntry));
764 (* attempt (failed) to close windows on CTRL-W ... *)
765 MatitaGtkMisc.connect_key win#browserWinEventBox#event ~modifiers:[`CONTROL]
766 GdkKeysyms._W (fun () -> win#toplevel#destroy ());
768 cicBrowsers := browser :: !cicBrowsers;
769 (browser :> MatitaGuiTypes.cicBrowser)
771 let history = new MatitaMisc.browser_history size (`About `Blank) in
774 let default_sequentViewer () = sequentViewer ~show:true ()
775 let sequentViewer_instance = MatitaMisc.singleton default_sequentViewer
777 let default_sequentsViewer () =
778 let gui = get_gui () in
779 let sequentViewer = sequentViewer_instance () in
780 sequentsViewer ~notebook:gui#main#sequentsNotebook ~sequentViewer ()
781 let sequentsViewer_instance = MatitaMisc.singleton default_sequentsViewer
785 method private get_browser reuse =
787 (match !cicBrowsers with
788 | [] -> cicBrowser ()
789 | b :: _ -> (b :> MatitaGuiTypes.cicBrowser))
793 method show_entry ?(reuse=false) t = (self#get_browser reuse)#load t
795 method show_uri_list ?(reuse=false) ~entry l =
796 (self#get_browser reuse)#load entry
799 let refresh_all_browsers () = List.iter (fun b -> b#refresh ()) !cicBrowsers
801 let update_font_sizes () =
802 List.iter (fun b -> b#updateFontSize) !cicBrowsers;
803 (sequentViewer_instance ())#update_font_size
805 let get_math_views () =
806 ((sequentViewer_instance ()) :> MatitaGuiTypes.clickableMathView)
807 :: (List.map (fun b -> b#mathView) !cicBrowsers)
809 let get_selections () =
810 if (MatitaScript.instance ())#onGoingProof () then
815 (match mv#string_of_selections with
819 aux (get_math_views ())
823 let reset_selections () =
824 List.iter (fun mv -> mv#remove_selections) (get_math_views ())