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/.
34 module Stack = Continuationals.Stack
36 (** inherit from this class if you want to access current script *)
37 class scriptAccessor =
39 method private script = MatitaScript.current ()
42 let cicBrowsers = ref []
43 let gui_instance = ref None
44 let set_gui gui = gui_instance := Some gui
46 match !gui_instance with
47 | None -> assert false
50 let default_font_size () =
51 Helm_registry.get_opt_default Helm_registry.int
52 ~default:BuildTimeConf.default_font_size "matita.font_size"
53 let current_font_size = ref ~-1
54 let increase_font_size () = incr current_font_size
55 let decrease_font_size () = decr current_font_size
56 let reset_font_size () = current_font_size := default_font_size ()
58 (* is there any lablgtk2 constant corresponding to the various mouse
64 let near (x1, y1) (x2, y2) =
65 let distance = sqrt (((x2 -. x1) ** 2.) +. ((y2 -. y1) ** 2.)) in
68 let xlink_ns = Gdome.domString "http://www.w3.org/1999/xlink"
69 let helm_ns = Gdome.domString "http://www.cs.unibo.it/helm"
70 let href_ds = Gdome.domString "href"
71 let xref_ds = Gdome.domString "xref"
73 let domImpl = Gdome.domImplementation ()
75 (** Gdome.element of a MathML document whose rendering should be blank. Used
76 * by cicBrowser to render "about:blank" document *)
77 let empty_mathml = lazy (
78 domImpl#createDocument ~namespaceURI:(Some DomMisc.mathml_ns)
79 ~qualifiedName:(Gdome.domString "math") ~doctype:None)
81 let empty_boxml = lazy (
82 domImpl#createDocument ~namespaceURI:(Some DomMisc.boxml_ns)
83 ~qualifiedName:(Gdome.domString "box") ~doctype:None)
85 (** shown for goals closed by side effects *)
86 let closed_goal_mathml = lazy (
87 domImpl#createDocumentFromURI ~uri:BuildTimeConf.closed_xml ())
89 (* ids_to_terms should not be passed here, is just for debugging *)
90 let find_root_id annobj id ids_to_father_ids ids_to_terms ids_to_inner_types =
91 let find_parent id ids =
93 (* (prerr_endline (sprintf "id %s = %s" id
95 CicPp.ppterm (Hashtbl.find ids_to_terms id)
96 with Not_found -> "NONE"))); *)
97 if List.mem id ids then Some id
100 (try Hashtbl.find ids_to_father_ids id with Not_found -> None)
103 | Some id' -> aux id')
107 let return_father id ids =
108 match find_parent id ids with
109 | None -> assert false
110 | Some parent_id -> parent_id
112 let mk_ids terms = List.map CicUtil.id_of_annterm terms in
116 match types.Cic2acic.annexpected with
117 None -> types.Cic2acic.annsynthesized :: acc
118 | Some ty -> ty :: types.Cic2acic.annsynthesized :: acc
119 ) ids_to_inner_types [] in
121 | Cic.AConstant (_, _, _, Some bo, ty, _, _)
122 | Cic.AVariable (_, _, Some bo, ty, _, _)
123 | Cic.ACurrentProof (_, _, _, _, bo, ty, _, _) ->
124 return_father id (mk_ids (ty :: bo :: inner_types))
125 | Cic.AConstant (_, _, _, None, ty, _, _)
126 | Cic.AVariable (_, _, None, ty, _, _) ->
127 return_father id (mk_ids (ty::inner_types))
128 | Cic.AInductiveDefinition _ ->
129 assert false (* TODO *)
131 (** @return string content of a dom node having a single text child node, e.g.
132 * <m:mi xlink:href="...">bool</m:mi> *)
133 let string_of_dom_node node =
134 match node#get_firstChild with
138 let text = new Gdome.text_of_node node in
139 text#get_data#to_string
140 with GdomeInit.DOMCastException _ -> "")
142 let name_of_hypothesis = function
143 | Some (Cic.Name s, _) -> s
146 let id_of_node (node: Gdome.element) =
148 node#getAttributeNS ~namespaceURI:helm_ns ~localName:xref_ds in
150 List.hd (HExtlib.split ~sep:' ' xref_attr#to_string)
151 with Failure _ -> assert false
154 | SelTerm of Cic.term * string option (* term, parent hypothesis (if any) *)
155 | SelHyp of string * Cic.context (* hypothesis, context *)
157 class clickableMathView obj =
158 let text_width = 80 in
160 inherit GMathViewAux.multi_selection_math_view obj
162 val mutable href_callback: (string -> unit) option = None
163 method set_href_callback f = href_callback <- f
165 val mutable _cic_info = None
166 method private set_cic_info info = _cic_info <- info
167 method private cic_info = _cic_info
170 self#set_font_size !current_font_size;
171 ignore (self#connect#selection_changed self#choose_selection_cb);
172 ignore (self#event#connect#button_press self#button_press_cb);
173 ignore (self#event#connect#button_release self#button_release_cb);
174 ignore (self#event#connect#selection_clear self#selection_clear_cb);
175 ignore (self#coerce#misc#connect#selection_get self#selection_get_cb)
177 val mutable button_press_x = -1.
178 val mutable button_press_y = -1.
179 val mutable selection_changed = false
181 method private selection_get_cb ctxt ~info ~time =
183 match ctxt#target with
184 | "PATTERN" -> self#text_of_selection `Pattern
185 | "TERM" | _ -> self#text_of_selection `Term
189 | Some s -> ctxt#return s
191 method private text_of_selection fmt =
192 match self#get_selections with
194 | node :: _ -> Some (self#string_of_node ~paste_kind:fmt node)
196 method private selection_clear_cb sel_event =
197 self#remove_selections;
198 (GData.clipboard Gdk.Atom.clipboard)#clear ();
201 method private button_press_cb gdk_button =
202 let button = GdkEvent.Button.button gdk_button in
203 if button = left_button then begin
204 button_press_x <- GdkEvent.Button.x gdk_button;
205 button_press_y <- GdkEvent.Button.y gdk_button;
206 selection_changed <- false
207 end else if button = right_button then
208 self#popup_contextual_menu (GdkEvent.Button.time gdk_button);
211 (** @return a pattern structure which contains pretty printed terms *)
212 method private tactic_text_pattern_of_selection =
213 match self#get_selections with
214 | [] -> assert false (* this method is invoked only if there's a sel. *)
216 let id = id_of_node node in
217 let cic_info, unsh_sequent = self#get_cic_info id in
218 match self#get_term_by_id cic_info id with
219 | SelTerm (t, father_hyp) ->
220 let sequent = self#sequent_of_id ~paste_kind:`Pattern id in
221 let text = self#string_of_cic_sequent sequent in
222 (match father_hyp with
223 | None -> None, [], Some text
224 | Some hyp_name -> None, [ hyp_name, text ], None)
225 | SelHyp (hyp_name, _ctxt) -> None, [ hyp_name, "%" ], None
227 method private popup_contextual_menu time =
228 let menu = GMenu.menu () in
229 let add_menu_item ?(menu = menu) ?stock ?label () =
230 GMenu.image_menu_item ?stock ?label ~packing:menu#append () in
231 let check = add_menu_item ~label:"Check" () in
232 let reductions_menu_item = GMenu.menu_item ~label:"βδιζ-reduce" () in
233 menu#append reductions_menu_item;
234 let reductions = GMenu.menu () in
235 reductions_menu_item#set_submenu reductions;
236 let normalize = add_menu_item ~menu:reductions ~label:"Normalize" () in
237 let reduce = add_menu_item ~menu:reductions ~label:"Reduce" () in
238 let simplify = add_menu_item ~menu:reductions ~label:"Simplify" () in
239 let whd = add_menu_item ~menu:reductions ~label:"Weak head" () in
240 menu#append (GMenu.separator_item ());
241 let copy = add_menu_item ~stock:`COPY () in
242 let gui = get_gui () in
243 List.iter (fun item -> item#misc#set_sensitive gui#canCopy)
244 [ copy; check; normalize; reduce; simplify; whd ];
245 let reduction_action kind () =
246 let pat = self#tactic_text_pattern_of_selection in
248 let loc = HExtlib.dummy_floc in
250 GrafiteAstPp.pp_executable ~term_pp:(fun s -> s)
251 ~lazy_term_pp:(fun _ -> assert false) ~obj_pp:(fun _ -> assert false)
252 (GrafiteAst.Tactical (loc,
253 GrafiteAst.Tactic (loc, GrafiteAst.Reduce (loc, kind, pat)),
254 Some (GrafiteAst.Semicolon loc))) in
255 (MatitaScript.current ())#advance ~statement () in
256 connect_menu_item copy gui#copy;
257 connect_menu_item normalize (reduction_action `Normalize);
258 connect_menu_item reduce (reduction_action `Reduce);
259 connect_menu_item simplify (reduction_action `Simpl);
260 connect_menu_item whd (reduction_action `Whd);
261 menu#popup ~button:right_button ~time
263 method private button_release_cb gdk_button =
264 if GdkEvent.Button.button gdk_button = left_button then begin
265 let button_release_x = GdkEvent.Button.x gdk_button in
266 let button_release_y = GdkEvent.Button.y gdk_button in
267 if selection_changed then
269 else (* selection _not_ changed *)
270 if near (button_press_x, button_press_y)
271 (button_release_x, button_release_y)
273 let x = int_of_float button_press_x in
274 let y = int_of_float button_press_y in
275 (match self#get_element_at x y with
278 let localName = href_ds in
279 if elt#hasAttributeNS ~namespaceURI:xlink_ns ~localName then
280 self#invoke_href_callback
281 (elt#getAttributeNS ~namespaceURI:xlink_ns
282 ~localName)#to_string
285 ignore (self#action_toggle elt));
289 method private invoke_href_callback href_value gdk_button =
290 let button = GdkEvent.Button.button gdk_button in
291 if button = left_button then
292 let time = GdkEvent.Button.time gdk_button in
293 match href_callback with
296 (match HExtlib.split href_value with
299 let menu = GMenu.menu () in
303 GMenu.menu_item ~label:uri ~packing:menu#append () in
304 connect_menu_item menu_item (fun () -> f uri))
306 menu#popup ~button ~time)
308 method private choose_selection_cb gdome_elt =
309 let set_selection elt =
310 let misc = self#coerce#misc in
311 self#set_selection (Some elt);
312 misc#add_selection_target ~target:"STRING" Gdk.Atom.primary;
313 ignore (misc#grab_selection Gdk.Atom.primary);
316 if (elt#getAttributeNS ~namespaceURI:helm_ns
317 ~localName:xref_ds)#to_string <> ""
322 (match elt#get_parentNode with
323 | None -> assert false
324 | Some p -> aux (new Gdome.element_of_node p))
325 with GdomeInit.DOMCastException _ -> ()
327 (match gdome_elt with
328 | Some elt when (elt#getAttributeNS ~namespaceURI:xlink_ns
329 ~localName:href_ds)#to_string <> "" ->
331 | Some elt -> aux elt
332 | None -> self#set_selection None);
333 selection_changed <- true
335 method update_font_size = self#set_font_size !current_font_size
337 (** find a term by id from stored CIC infos @return either `Hyp if the id
338 * correspond to an hypothesis or `Term (cic, hyp) if the id correspond to a
339 * term. In the latter case hyp is either None (if the term is a subterm of
340 * the sequent conclusion) or Some hyp_name if the term belongs to an
342 method private get_term_by_id cic_info id =
343 let unsh_item, ids_to_terms, ids_to_hypotheses, ids_to_father_ids, _, _ =
345 let rec find_father_hyp id =
346 if Hashtbl.mem ids_to_hypotheses id
347 then Some (name_of_hypothesis (Hashtbl.find ids_to_hypotheses id))
350 try Hashtbl.find ids_to_father_ids id
351 with Not_found -> assert false in
353 | Some id -> find_father_hyp id
357 let term = Hashtbl.find ids_to_terms id in
358 let father_hyp = find_father_hyp id in
359 SelTerm (term, father_hyp)
362 let hyp = Hashtbl.find ids_to_hypotheses id in
364 match unsh_item with Some seq -> seq | None -> assert false in
365 let context' = MatitaMisc.list_tl_at hyp context in
366 SelHyp (name_of_hypothesis hyp, context')
367 with Not_found -> assert false
369 method private find_obj_conclusion id =
370 match self#cic_info with
372 | Some (_, _, _, _, _, None) -> assert false
373 | Some (_, ids_to_terms, _, ids_to_father_ids, ids_to_inner_types, Some annobj) ->
375 find_root_id annobj id ids_to_father_ids ids_to_terms ids_to_inner_types
377 (try Hashtbl.find ids_to_terms id with Not_found -> assert false)
379 method private string_of_node ~(paste_kind:paste_kind) node =
380 if node#hasAttributeNS ~namespaceURI:helm_ns ~localName:xref_ds
382 let id = id_of_node node in
383 self#string_of_cic_sequent (self#sequent_of_id ~paste_kind id)
384 else string_of_dom_node node
386 method private string_of_cic_sequent cic_sequent =
387 let script = MatitaScript.current () in
389 if script#onGoingProof () then script#proofMetasenv else [] in
390 let _, (acic_sequent, _, _, ids_to_inner_sorts, _) =
391 Cic2acic.asequent_of_sequent metasenv cic_sequent in
392 let _, _, _, annterm = acic_sequent in
393 let ast, ids_to_uris =
394 TermAcicContent.ast_of_acic ids_to_inner_sorts annterm in
395 let pped_ast = TermContentPres.pp_ast ast in
396 let markup = CicNotationPres.render ids_to_uris pped_ast in
397 BoxPp.render_to_string text_width markup
399 method private pattern_of term context unsh_sequent =
400 let context_len = List.length context in
401 let _, unsh_context, conclusion = unsh_sequent in
404 List.nth unsh_context (List.length unsh_context - context_len - 1)
406 | None -> assert false (* can't select a restricted hypothesis *)
407 | Some (name, Cic.Decl ty) ->
408 ProofEngineHelpers.pattern_of ~term:ty [term]
409 | Some (name, Cic.Def (bo, _)) ->
410 ProofEngineHelpers.pattern_of ~term:bo [term])
411 with Failure _ | Invalid_argument _ ->
412 ProofEngineHelpers.pattern_of ~term:conclusion [term]
414 method private get_cic_info id =
415 match self#cic_info with
416 | Some ((Some unsh_sequent, _, _, _, _, _) as info) -> info, unsh_sequent
417 | Some ((None, _, _, _, _, _) as info) ->
418 let t = self#find_obj_conclusion id in
419 info, (~-1, [], t) (* dummy sequent for obj *)
420 | None -> assert false
422 method private sequent_of_id ~(paste_kind:paste_kind) id =
423 let cic_info, unsh_sequent = self#get_cic_info id in
425 match self#get_term_by_id cic_info id with
426 | SelTerm (t, _father_hyp) ->
428 ProofEngineHelpers.locate_in_conjecture t unsh_sequent in
429 (match occurrences with
431 (match paste_kind with
432 | `Term -> ~-1, context, t
433 | `Pattern -> ~-1, [], self#pattern_of t context unsh_sequent)
435 HLog.error (sprintf "found %d occurrences while 1 was expected"
436 (List.length occurrences));
437 assert false) (* since it uses physical equality *)
438 | SelHyp (_name, context) -> ~-1, context, Cic.Rel 1 in
441 method private string_of_selection ~(paste_kind:paste_kind) =
442 match self#get_selections with
444 | node :: _ -> Some (self#string_of_node ~paste_kind node)
446 method has_selection = self#get_selections <> []
448 (** @return an associative list format -> string with all possible selection
449 * formats. Rationale: in order to convert the selection to TERM or PATTERN
450 * format we need the sequent, the metasenv, ... keeping all of them in a
451 * closure would be more expensive than keeping their already converted
453 method strings_of_selection =
455 let misc = self#coerce#misc in
457 (fun target -> misc#add_selection_target ~target Gdk.Atom.clipboard)
458 [ "TERM"; "PATTERN"; "STRING" ];
459 ignore (misc#grab_selection Gdk.Atom.clipboard);
462 paste_kind, HExtlib.unopt (self#string_of_selection ~paste_kind))
464 with Failure _ -> failwith "no selection"
468 let clickableMathView ?hadjustment ?vadjustment ?font_size ?log_verbosity =
469 GtkBase.Widget.size_params
470 ~cont:(OgtkMathViewProps.pack_return (fun p ->
471 OgtkMathViewProps.set_params
472 (new clickableMathView (GtkMathViewProps.MathView_GMetaDOM.create p))
473 ~font_size:None ~log_verbosity:None))
476 class cicMathView obj =
478 inherit clickableMathView obj
480 val mutable current_mathml = None
482 method load_sequent metasenv metano =
483 let sequent = CicUtil.lookup_meta metano metasenv in
484 let (mathml, unsh_sequent,
485 (_, (ids_to_terms, ids_to_father_ids, ids_to_hypotheses,_ )))
487 ApplyTransformation.mml_of_cic_sequent metasenv sequent
490 (Some (Some unsh_sequent,
491 ids_to_terms, ids_to_hypotheses, ids_to_father_ids,
492 Hashtbl.create 1, None));
493 let name = "sequent_viewer.xml" in
494 HLog.debug ("load_sequent: dumping MathML to ./" ^ name);
495 ignore (domImpl#saveDocumentToFile ~name ~doc:mathml ());
496 self#load_root ~root:mathml#get_documentElement
498 method load_object obj =
499 let use_diff = false in (* ZACK TODO use XmlDiff when re-rendering? *)
501 (annobj, (ids_to_terms, ids_to_father_ids, _, ids_to_hypotheses, _, ids_to_inner_types)))
503 ApplyTransformation.mml_of_cic_object obj
506 (Some (None, ids_to_terms, ids_to_hypotheses, ids_to_father_ids, ids_to_inner_types, Some annobj));
507 (match current_mathml with
508 | Some current_mathml when use_diff ->
510 XmlDiff.update_dom ~from:current_mathml mathml;
513 let name = "cic_browser.xml" in
514 HLog.debug ("cic_browser: dumping MathML to ./" ^ name);
515 ignore (domImpl#saveDocumentToFile ~name ~doc:mathml ());
516 self#load_root ~root:mathml#get_documentElement;
517 current_mathml <- Some mathml);
520 let tab_label meta_markup =
523 | `Current m -> sprintf "<b>%s</b>" (aux m)
524 | `Closed m -> sprintf "<s>%s</s>" (aux m)
525 | `Shift (pos, m) -> sprintf "|<sub>%d</sub>: %s" pos (aux m)
526 | `Meta n -> sprintf "?%d" n
528 let markup = aux meta_markup in
529 (GMisc.label ~markup ~show:true ())#coerce
531 let goal_of_switch = function Stack.Open g | Stack.Closed g -> g
533 class sequentsViewer ~(notebook:GPack.notebook) ~(cicMathView:cicMathView) () =
535 inherit scriptAccessor
537 val mutable pages = 0
538 val mutable switch_page_callback = None
539 val mutable page2goal = [] (* associative list: page no -> goal no *)
540 val mutable goal2page = [] (* the other way round *)
541 val mutable goal2win = [] (* associative list: goal no -> scrolled win *)
542 val mutable _metasenv = []
543 val mutable scrolledWin: GBin.scrolled_window option = None
544 (* scrolled window to which the sequentViewer is currently attached *)
545 val logo = (GMisc.image
546 ~file:(MatitaMisc.image_path "matita_medium.png") ()
549 val logo_with_qed = (GMisc.image
550 ~file:(MatitaMisc.image_path "matita_small.png") ()
554 notebook#set_show_tabs false;
555 notebook#append_page logo
557 method load_logo_with_qed =
558 notebook#set_show_tabs false;
559 notebook#append_page logo_with_qed
562 cicMathView#remove_selections;
563 (match scrolledWin with
565 (* removing page from the notebook will destroy all contained widget,
566 * we do not want the cicMathView to be destroyed as well *)
567 w#remove cicMathView#coerce;
570 (match switch_page_callback with
572 GtkSignal.disconnect notebook#as_widget id;
573 switch_page_callback <- None
575 for i = 0 to pages do notebook#remove_page 0 done;
576 notebook#set_show_tabs true;
582 self#script#setGoal None
584 method load_sequents { proof = (_,metasenv,_,_) as proof; stack = stack } =
585 _metasenv <- metasenv;
587 let win goal_switch =
589 GBin.scrolled_window ~hpolicy:`AUTOMATIC ~vpolicy:`ALWAYS
590 ~shadow_type:`IN ~show:true ()
593 scrolledWin <- Some w;
594 match cicMathView#misc#parent with
595 | None -> w#add cicMathView#coerce
598 match cicMathView#misc#parent with
600 | Some p -> GContainer.cast_container p
602 parent#remove cicMathView#coerce;
603 w#add cicMathView#coerce
605 goal2win <- (goal_switch, reparent) :: goal2win;
609 let stack_goals = Stack.open_goals stack in
610 let proof_goals = ProofEngineTypes.goals_of_proof proof in
612 HExtlib.list_uniq (List.sort Pervasives.compare stack_goals)
613 <> List.sort Pervasives.compare proof_goals
615 prerr_endline ("STACK GOALS = " ^ String.concat " " (List.map string_of_int stack_goals));
616 prerr_endline ("PROOF GOALS = " ^ String.concat " " (List.map string_of_int proof_goals));
622 function Stack.Open i ->`Meta i | Stack.Closed i ->`Closed (`Meta i)
625 let added_goals = ref [] in
626 (* goals can be duplicated on the tack due to focus, but we should avoid
627 * multiple labels in the user interface *)
628 let add_tab markup goal_switch =
629 let goal = Stack.goal_of_switch goal_switch in
630 if not (List.mem goal !added_goals) then begin
631 notebook#append_page ~tab_label:(tab_label markup) (win goal_switch);
632 page2goal <- (!page, goal_switch) :: page2goal;
633 goal2page <- (goal_switch, !page) :: goal2page;
636 added_goals := goal :: !added_goals
639 let add_switch _ _ (_, sw) = add_tab (render_switch sw) sw in
640 Stack.iter (** populate notebook with tabs *)
641 ~env:(fun depth tag (pos, sw) ->
643 match depth, pos with
644 | 0, _ -> `Current (render_switch sw)
645 | 1, pos when Stack.head_tag stack = `BranchTag ->
646 `Shift (pos, render_switch sw)
647 | _ -> render_switch sw
650 ~cont:add_switch ~todo:add_switch
652 switch_page_callback <-
653 Some (notebook#connect#switch_page ~callback:(fun page ->
655 try List.assoc page page2goal with Not_found -> assert false
657 self#script#setGoal (Some (goal_of_switch goal_switch));
658 self#render_page ~page ~goal_switch))
660 method private render_page ~page ~goal_switch =
661 (match goal_switch with
662 | Stack.Open goal -> cicMathView#load_sequent _metasenv goal
663 | Stack.Closed goal ->
664 let doc = Lazy.force closed_goal_mathml in
665 cicMathView#load_root ~root:doc#get_documentElement);
667 cicMathView#set_selection None;
668 List.assoc goal_switch goal2win ()
669 with Not_found -> assert false)
671 method goto_sequent goal =
672 let goal_switch, page =
675 (function Stack.Open g, _ | Stack.Closed g, _ -> g = goal)
677 with Not_found -> assert false
679 notebook#goto_page page;
680 self#render_page page goal_switch
686 type 'widget constructor =
687 ?hadjustment:GData.adjustment ->
688 ?vadjustment:GData.adjustment ->
690 ?log_verbosity:int ->
693 ?packing:(GObj.widget -> unit) ->
698 let cicMathView ?hadjustment ?vadjustment ?font_size ?log_verbosity =
699 GtkBase.Widget.size_params
700 ~cont:(OgtkMathViewProps.pack_return (fun p ->
701 OgtkMathViewProps.set_params
702 (new cicMathView (GtkMathViewProps.MathView_GMetaDOM.create p))
703 ~font_size ~log_verbosity))
706 let blank_uri = BuildTimeConf.blank_uri
707 let current_proof_uri = BuildTimeConf.current_proof_uri
710 [ `Ast of CicNotationPt.term
711 | `Cic of Cic.term * Cic.metasenv
715 class cicBrowser_impl ~(history:MatitaTypes.mathViewer_entry MatitaMisc.history)
718 let whelp_RE = Pcre.regexp "^\\s*whelp" in
721 "^cic:/([^/]+/)*[^/]+\\.(con|ind|var)(#xpointer\\(\\d+(/\\d+)+\\))?$"
723 let dir_RE = Pcre.regexp "^cic:((/([^/]+/)*[^/]+(/)?)|/|)$" in
724 let whelp_query_RE = Pcre.regexp "^\\s*whelp\\s+([^\\s]+)\\s+(.*)$" in
725 let is_whelp txt = Pcre.pmatch ~rex:whelp_RE txt in
726 let is_uri txt = Pcre.pmatch ~rex:uri_RE txt in
727 let is_dir txt = Pcre.pmatch ~rex:dir_RE txt in
728 let gui = get_gui () in
729 let (win: MatitaGuiTypes.browserWin) = gui#newBrowserWin () in
730 let queries = ["Locate";"Hint";"Match";"Elim";"Instance"] in
731 let combo,_ = GEdit.combo_box_text ~strings:queries () in
732 let activate_combo_query input q =
733 let q' = String.lowercase q in
734 let rec aux i = function
735 | [] -> failwith ("Whelp query '" ^ q ^ "' not found")
736 | h::_ when String.lowercase h = q' -> i
737 | _::tl -> aux (i+1) tl
739 combo#set_active (aux 0 queries);
740 win#queryInputText#set_text input
742 let set_whelp_query txt =
745 let q = Pcre.extract ~rex:whelp_query_RE txt in
747 with Invalid_argument _ -> failwith "Malformed Whelp query"
749 activate_combo_query arg query
751 let toplevel = win#toplevel in
752 let mathView = cicMathView ~packing:win#scrolledBrowser#add () in
754 MatitaGtkMisc.report_error ~title:"Cic browser" ~message
758 [ "dir", GdkPixbuf.from_file (MatitaMisc.image_path "matita-folder.png");
759 "obj", GdkPixbuf.from_file (MatitaMisc.image_path "matita-object.png") ]
765 if not (Helm_registry.get_bool "matita.debug") then
766 fail (snd (MatitaExcPp.to_string exn))
769 let handle_error' f = (fun () -> handle_error (fun () -> f ())) in
770 let load_easter_egg = lazy (
771 win#easterEggImage#set_file (MatitaMisc.image_path "meegg.png"))
774 inherit scriptAccessor
776 (* Whelp bar queries *)
779 activate_combo_query "" "locate";
780 win#whelpBarComboVbox#add combo#coerce;
782 let query = String.lowercase (List.nth queries combo#active) in
783 let input = win#queryInputText#text in
784 let statement = "whelp " ^ query ^ " " ^ input ^ "." in
785 (MatitaScript.current ())#advance ~statement ()
787 ignore(win#queryInputText#connect#activate ~callback:start_query);
788 ignore(combo#connect#changed ~callback:start_query);
789 win#whelpBarImage#set_file (MatitaMisc.image_path "whelp.png");
790 win#mathOrListNotebook#set_show_tabs false;
791 win#browserForwardButton#misc#set_sensitive false;
792 win#browserBackButton#misc#set_sensitive false;
793 ignore (win#browserUri#entry#connect#activate (handle_error' (fun () ->
794 self#loadInput win#browserUri#entry#text)));
795 ignore (win#browserHomeButton#connect#clicked (handle_error' (fun () ->
796 self#load (`About `Current_proof))));
797 ignore (win#browserRefreshButton#connect#clicked
798 (handle_error' (self#refresh ~force:true)));
799 ignore (win#browserBackButton#connect#clicked (handle_error' self#back));
800 ignore (win#browserForwardButton#connect#clicked
801 (handle_error' self#forward));
802 ignore (win#toplevel#event#connect#delete (fun _ ->
803 let my_id = Oo.id self in
804 cicBrowsers := List.filter (fun b -> Oo.id b <> my_id) !cicBrowsers;
805 if !cicBrowsers = [] &&
806 Helm_registry.get "matita.mode" = "cicbrowser"
810 ignore(win#whelpResultTreeview#connect#row_activated
811 ~callback:(fun _ _ ->
812 handle_error (fun () -> self#loadInput (self#_getSelectedUri ()))));
813 mathView#set_href_callback (Some (fun uri ->
814 handle_error (fun () ->
815 self#load (`Uri (UriManager.uri_of_string uri)))));
816 self#_load (`About `Blank);
819 val mutable current_entry = `About `Blank
822 new MatitaGtkMisc.taggedStringListModel tags win#whelpResultTreeview
824 val mutable lastDir = "" (* last loaded "directory" *)
826 method mathView = (mathView :> MatitaGuiTypes.clickableMathView)
828 method private _getSelectedUri () =
829 match model#easy_selection () with
830 | [sel] when is_uri sel -> sel (* absolute URI selected *)
831 (* | [sel] -> win#browserUri#entry#text ^ sel |+ relative URI selected +| *)
832 | [sel] -> lastDir ^ sel
835 (** history RATIONALE
837 * All operations about history are done using _historyFoo.
838 * Only toplevel functions (ATM load and loadInput) call _historyAdd.
841 method private _historyAdd item =
843 win#browserBackButton#misc#set_sensitive true;
844 win#browserForwardButton#misc#set_sensitive false
846 method private _historyPrev () =
847 let item = history#previous in
848 if history#is_begin then win#browserBackButton#misc#set_sensitive false;
849 win#browserForwardButton#misc#set_sensitive true;
852 method private _historyNext () =
853 let item = history#next in
854 if history#is_end then win#browserForwardButton#misc#set_sensitive false;
855 win#browserBackButton#misc#set_sensitive true;
858 (** notebook RATIONALE
860 * Use only these functions to switch between the tabs
862 method private _showMath = win#mathOrListNotebook#goto_page 0
863 method private _showList = win#mathOrListNotebook#goto_page 1
865 method private back () =
867 self#_load (self#_historyPrev ())
868 with MatitaMisc.History_failure -> ()
870 method private forward () =
872 self#_load (self#_historyNext ())
873 with MatitaMisc.History_failure -> ()
875 (* loads a uri which can be a cic uri or an about:* uri
876 * @param uri string *)
877 method private _load ?(force=false) entry =
878 handle_error (fun () ->
879 if entry <> current_entry || entry = `About `Current_proof || force then
882 | `About `Current_proof -> self#home ()
883 | `About `Blank -> self#blank ()
884 | `About `Us -> self#egg ()
885 | `Check term -> self#_loadCheck term
886 | `Cic (term, metasenv) -> self#_loadTermCic term metasenv
887 | `Dir dir -> self#_loadDir dir
888 | `Uri uri -> self#_loadUriManagerUri uri
889 | `Whelp (query, results) ->
890 set_whelp_query query;
891 self#_loadList (List.map (fun r -> "obj",
892 UriManager.string_of_uri r) results));
896 method private blank () =
898 mathView#load_root (Lazy.force empty_mathml)#get_documentElement
900 method private _loadCheck term =
901 failwith "not implemented _loadCheck";
904 method private egg () =
905 win#mathOrListNotebook#goto_page 2;
906 Lazy.force load_easter_egg
908 method private home () =
910 match self#script#grafite_status.proof_status with
911 | Proof (uri, metasenv, bo, ty) ->
912 let name = UriManager.name_of_uri (HExtlib.unopt uri) in
913 let obj = Cic.CurrentProof (name, metasenv, bo, ty, [], []) in
915 | Incomplete_proof { proof = (uri, metasenv, bo, ty) } ->
916 let name = UriManager.name_of_uri (HExtlib.unopt uri) in
917 let obj = Cic.CurrentProof (name, metasenv, bo, ty, [], []) in
921 (** loads a cic uri from the environment
922 * @param uri UriManager.uri *)
923 method private _loadUriManagerUri uri =
924 let uri = UriManager.strip_xpointer uri in
925 let (obj, _) = CicEnvironment.get_obj CicUniv.empty_ugraph uri in
928 method private _loadDir dir =
929 let content = Http_getter.ls dir in
935 | Http_getter_types.Ls_section s -> "dir", s
936 | Http_getter_types.Ls_object o -> "obj", o.Http_getter_types.uri)
942 method private setEntry entry =
943 win#browserUri#entry#set_text (MatitaTypes.string_of_entry entry);
944 current_entry <- entry
946 method private _loadObj obj =
947 (* showMath must be done _before_ loading the document, since if the
948 * widget is not mapped (hidden by the notebook) the document is not
951 mathView#load_object obj
953 method private _loadTermCic term metasenv =
954 let context = self#script#proofContext in
955 let dummyno = CicMkImplicit.new_meta metasenv [] in
956 let sequent = (dummyno, context, term) in
957 mathView#load_sequent (sequent :: metasenv) dummyno;
960 method private _loadList l =
961 model#list_store#clear ();
962 List.iter (fun (tag, s) -> model#easy_append ~tag s) l;
965 (** { public methods, all must call _load!! } *)
968 handle_error (fun () -> self#_load entry; self#_historyAdd entry)
970 (** this is what the browser does when you enter a string an hit enter *)
971 method loadInput txt =
972 let txt = HExtlib.trim_blanks txt in
974 UriManager.string_of_uri
975 (UriManager.strip_xpointer (UriManager.uri_of_string txt))
977 if is_whelp txt then begin
979 (MatitaScript.current ())#advance ~statement:(txt ^ ".") ()
983 | txt when is_uri txt -> `Uri (UriManager.uri_of_string (fix_uri txt))
984 | txt when is_dir txt -> `Dir (MatitaMisc.normalize_dir txt)
987 MatitaTypes.entry_of_string txt
988 with Invalid_argument _ ->
990 (GrafiteTypes.Command_error(sprintf "unsupported uri: %s" txt)))
993 self#_historyAdd entry
996 (** {2 methods accessing underlying GtkMathView} *)
998 method updateFontSize = mathView#set_font_size !current_font_size
1000 (** {2 methods used by constructor only} *)
1003 method history = history
1004 method currentEntry = current_entry
1005 method refresh ~force () = self#_load ~force current_entry
1009 let sequentsViewer ~(notebook:GPack.notebook) ~(cicMathView:cicMathView) ():
1010 MatitaGuiTypes.sequentsViewer
1012 new sequentsViewer ~notebook ~cicMathView ()
1015 let size = BuildTimeConf.browser_history_size in
1016 let rec aux history =
1017 let browser = new cicBrowser_impl ~history () in
1018 let win = browser#win in
1019 ignore (win#browserNewButton#connect#clicked (fun () ->
1021 new MatitaMisc.browser_history ~memento:history#save size
1024 let newBrowser = aux history in
1025 newBrowser#load browser#currentEntry));
1027 (* attempt (failed) to close windows on CTRL-W ... *)
1028 MatitaGtkMisc.connect_key win#browserWinEventBox#event ~modifiers:[`CONTROL]
1029 GdkKeysyms._W (fun () -> win#toplevel#destroy ());
1031 cicBrowsers := browser :: !cicBrowsers;
1032 (browser :> MatitaGuiTypes.cicBrowser)
1034 let history = new MatitaMisc.browser_history size (`About `Blank) in
1037 let default_cicMathView () = cicMathView ~show:true ()
1038 let cicMathView_instance = MatitaMisc.singleton default_cicMathView
1040 let default_sequentsViewer () =
1041 let gui = get_gui () in
1042 let cicMathView = cicMathView_instance () in
1043 sequentsViewer ~notebook:gui#main#sequentsNotebook ~cicMathView ()
1044 let sequentsViewer_instance = MatitaMisc.singleton default_sequentsViewer
1048 method private get_browser reuse =
1050 (match !cicBrowsers with
1051 | [] -> cicBrowser ()
1052 | b :: _ -> (b :> MatitaGuiTypes.cicBrowser))
1056 method show_entry ?(reuse=false) t = (self#get_browser reuse)#load t
1058 method show_uri_list ?(reuse=false) ~entry l =
1059 (self#get_browser reuse)#load entry
1062 let refresh_all_browsers () =
1063 List.iter (fun b -> b#refresh ~force:false ()) !cicBrowsers
1065 let update_font_sizes () =
1066 List.iter (fun b -> b#updateFontSize) !cicBrowsers;
1067 (cicMathView_instance ())#update_font_size
1069 let get_math_views () =
1070 ((cicMathView_instance ()) :> MatitaGuiTypes.clickableMathView)
1071 :: (List.map (fun b -> b#mathView) !cicBrowsers)
1073 let find_selection_owner () =
1076 | [] -> raise Not_found
1078 (match mv#get_selections with
1082 aux (get_math_views ())
1084 let has_selection () =
1085 try ignore (find_selection_owner ()); true
1086 with Not_found -> false
1088 let math_view_clipboard = ref None (* associative list target -> string *)
1089 let has_clipboard () = !math_view_clipboard <> None
1090 let empty_clipboard () = math_view_clipboard := None
1092 let copy_selection () =
1094 math_view_clipboard :=
1095 Some ((find_selection_owner ())#strings_of_selection)
1096 with Not_found -> failwith "no selection"
1098 let paste_clipboard paste_kind =
1099 match !math_view_clipboard with
1100 | None -> failwith "empty clipboard"
1102 (try List.assoc paste_kind cb with Not_found -> assert false)