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 if BuildTimeConf.debug then begin
494 let name = "sequent_viewer.xml" in
495 HLog.debug ("load_sequent: dumping MathML to ./" ^ name);
496 ignore (domImpl#saveDocumentToFile ~name ~doc:mathml ())
498 self#load_root ~root:mathml#get_documentElement
500 method load_object obj =
501 let use_diff = false in (* ZACK TODO use XmlDiff when re-rendering? *)
503 (annobj, (ids_to_terms, ids_to_father_ids, _, ids_to_hypotheses, _, ids_to_inner_types)))
505 ApplyTransformation.mml_of_cic_object obj
508 (Some (None, ids_to_terms, ids_to_hypotheses, ids_to_father_ids, ids_to_inner_types, Some annobj));
509 (match current_mathml with
510 | Some current_mathml when use_diff ->
512 XmlDiff.update_dom ~from:current_mathml mathml;
515 if BuildTimeConf.debug then begin
516 let name = "cic_browser.xml" in
517 HLog.debug ("cic_browser: dumping MathML to ./" ^ name);
518 ignore (domImpl#saveDocumentToFile ~name ~doc:mathml ())
520 self#load_root ~root:mathml#get_documentElement;
521 current_mathml <- Some mathml);
524 let tab_label meta_markup =
527 | `Current m -> sprintf "<b>%s</b>" (aux m)
528 | `Closed m -> sprintf "<s>%s</s>" (aux m)
529 | `Shift (pos, m) -> sprintf "|<sub>%d</sub>: %s" pos (aux m)
530 | `Meta n -> sprintf "?%d" n
532 let markup = aux meta_markup in
533 (GMisc.label ~markup ~show:true ())#coerce
535 let goal_of_switch = function Stack.Open g | Stack.Closed g -> g
537 class sequentsViewer ~(notebook:GPack.notebook) ~(cicMathView:cicMathView) () =
539 inherit scriptAccessor
541 method cicMathView = cicMathView (** clickableMathView accessor *)
543 val mutable pages = 0
544 val mutable switch_page_callback = None
545 val mutable page2goal = [] (* associative list: page no -> goal no *)
546 val mutable goal2page = [] (* the other way round *)
547 val mutable goal2win = [] (* associative list: goal no -> scrolled win *)
548 val mutable _metasenv = []
549 val mutable scrolledWin: GBin.scrolled_window option = None
550 (* scrolled window to which the sequentViewer is currently attached *)
551 val logo = (GMisc.image
552 ~file:(MatitaMisc.image_path "matita_medium.png") ()
555 val logo_with_qed = (GMisc.image
556 ~file:(MatitaMisc.image_path "matita_small.png") ()
560 notebook#set_show_tabs false;
561 notebook#append_page logo
563 method load_logo_with_qed =
564 notebook#set_show_tabs false;
565 notebook#append_page logo_with_qed
568 cicMathView#remove_selections;
569 (match scrolledWin with
571 (* removing page from the notebook will destroy all contained widget,
572 * we do not want the cicMathView to be destroyed as well *)
573 w#remove cicMathView#coerce;
576 (match switch_page_callback with
578 GtkSignal.disconnect notebook#as_widget id;
579 switch_page_callback <- None
581 for i = 0 to pages do notebook#remove_page 0 done;
582 notebook#set_show_tabs true;
588 self#script#setGoal None
590 method load_sequents { proof = (_,metasenv,_,_) as proof; stack = stack } =
591 _metasenv <- metasenv;
593 let win goal_switch =
595 GBin.scrolled_window ~hpolicy:`AUTOMATIC ~vpolicy:`ALWAYS
596 ~shadow_type:`IN ~show:true ()
599 scrolledWin <- Some w;
600 match cicMathView#misc#parent with
601 | None -> w#add cicMathView#coerce
604 match cicMathView#misc#parent with
606 | Some p -> GContainer.cast_container p
608 parent#remove cicMathView#coerce;
609 w#add cicMathView#coerce
611 goal2win <- (goal_switch, reparent) :: goal2win;
615 let stack_goals = Stack.open_goals stack in
616 let proof_goals = ProofEngineTypes.goals_of_proof proof in
618 HExtlib.list_uniq (List.sort Pervasives.compare stack_goals)
619 <> List.sort Pervasives.compare proof_goals
621 prerr_endline ("STACK GOALS = " ^ String.concat " " (List.map string_of_int stack_goals));
622 prerr_endline ("PROOF GOALS = " ^ String.concat " " (List.map string_of_int proof_goals));
628 function Stack.Open i ->`Meta i | Stack.Closed i ->`Closed (`Meta i)
631 let added_goals = ref [] in
632 (* goals can be duplicated on the tack due to focus, but we should avoid
633 * multiple labels in the user interface *)
634 let add_tab markup goal_switch =
635 let goal = Stack.goal_of_switch goal_switch in
636 if not (List.mem goal !added_goals) then begin
637 notebook#append_page ~tab_label:(tab_label markup) (win goal_switch);
638 page2goal <- (!page, goal_switch) :: page2goal;
639 goal2page <- (goal_switch, !page) :: goal2page;
642 added_goals := goal :: !added_goals
645 let add_switch _ _ (_, sw) = add_tab (render_switch sw) sw in
646 Stack.iter (** populate notebook with tabs *)
647 ~env:(fun depth tag (pos, sw) ->
649 match depth, pos with
650 | 0, _ -> `Current (render_switch sw)
651 | 1, pos when Stack.head_tag stack = `BranchTag ->
652 `Shift (pos, render_switch sw)
653 | _ -> render_switch sw
656 ~cont:add_switch ~todo:add_switch
658 switch_page_callback <-
659 Some (notebook#connect#switch_page ~callback:(fun page ->
661 try List.assoc page page2goal with Not_found -> assert false
663 self#script#setGoal (Some (goal_of_switch goal_switch));
664 self#render_page ~page ~goal_switch))
666 method private render_page ~page ~goal_switch =
667 (match goal_switch with
668 | Stack.Open goal -> cicMathView#load_sequent _metasenv goal
669 | Stack.Closed goal ->
670 let doc = Lazy.force closed_goal_mathml in
671 cicMathView#load_root ~root:doc#get_documentElement);
673 cicMathView#set_selection None;
674 List.assoc goal_switch goal2win ()
675 with Not_found -> assert false)
677 method goto_sequent goal =
678 let goal_switch, page =
681 (function Stack.Open g, _ | Stack.Closed g, _ -> g = goal)
683 with Not_found -> assert false
685 notebook#goto_page page;
686 self#render_page page goal_switch
692 type 'widget constructor =
693 ?hadjustment:GData.adjustment ->
694 ?vadjustment:GData.adjustment ->
696 ?log_verbosity:int ->
699 ?packing:(GObj.widget -> unit) ->
704 let cicMathView ?hadjustment ?vadjustment ?font_size ?log_verbosity =
705 GtkBase.Widget.size_params
706 ~cont:(OgtkMathViewProps.pack_return (fun p ->
707 OgtkMathViewProps.set_params
708 (new cicMathView (GtkMathViewProps.MathView_GMetaDOM.create p))
709 ~font_size ~log_verbosity))
712 let blank_uri = BuildTimeConf.blank_uri
713 let current_proof_uri = BuildTimeConf.current_proof_uri
716 [ `Ast of CicNotationPt.term
717 | `Cic of Cic.term * Cic.metasenv
721 class cicBrowser_impl ~(history:MatitaTypes.mathViewer_entry MatitaMisc.history)
724 let whelp_RE = Pcre.regexp "^\\s*whelp" in
727 "^cic:/([^/]+/)*[^/]+\\.(con|ind|var)(#xpointer\\(\\d+(/\\d+)+\\))?$"
729 let dir_RE = Pcre.regexp "^cic:((/([^/]+/)*[^/]+(/)?)|/|)$" in
730 let whelp_query_RE = Pcre.regexp "^\\s*whelp\\s+([^\\s]+)\\s+(.*)$" in
731 let is_whelp txt = Pcre.pmatch ~rex:whelp_RE txt in
732 let is_uri txt = Pcre.pmatch ~rex:uri_RE txt in
733 let is_dir txt = Pcre.pmatch ~rex:dir_RE txt in
734 let gui = get_gui () in
735 let (win: MatitaGuiTypes.browserWin) = gui#newBrowserWin () in
736 let queries = ["Locate";"Hint";"Match";"Elim";"Instance"] in
737 let combo,_ = GEdit.combo_box_text ~strings:queries () in
738 let activate_combo_query input q =
739 let q' = String.lowercase q in
740 let rec aux i = function
741 | [] -> failwith ("Whelp query '" ^ q ^ "' not found")
742 | h::_ when String.lowercase h = q' -> i
743 | _::tl -> aux (i+1) tl
745 combo#set_active (aux 0 queries);
746 win#queryInputText#set_text input
748 let set_whelp_query txt =
751 let q = Pcre.extract ~rex:whelp_query_RE txt in
753 with Invalid_argument _ -> failwith "Malformed Whelp query"
755 activate_combo_query arg query
757 let toplevel = win#toplevel in
758 let mathView = cicMathView ~packing:win#scrolledBrowser#add () in
760 MatitaGtkMisc.report_error ~title:"Cic browser" ~message
764 [ "dir", GdkPixbuf.from_file (MatitaMisc.image_path "matita-folder.png");
765 "obj", GdkPixbuf.from_file (MatitaMisc.image_path "matita-object.png") ]
771 if not (Helm_registry.get_bool "matita.debug") then
772 fail (snd (MatitaExcPp.to_string exn))
775 let handle_error' f = (fun () -> handle_error (fun () -> f ())) in
776 let load_easter_egg = lazy (
777 win#easterEggImage#set_file (MatitaMisc.image_path "meegg.png"))
780 inherit scriptAccessor
782 (* Whelp bar queries *)
785 activate_combo_query "" "locate";
786 win#whelpBarComboVbox#add combo#coerce;
788 let query = String.lowercase (List.nth queries combo#active) in
789 let input = win#queryInputText#text in
790 let statement = "whelp " ^ query ^ " " ^ input ^ "." in
791 (MatitaScript.current ())#advance ~statement ()
793 ignore(win#queryInputText#connect#activate ~callback:start_query);
794 ignore(combo#connect#changed ~callback:start_query);
795 win#whelpBarImage#set_file (MatitaMisc.image_path "whelp.png");
796 win#mathOrListNotebook#set_show_tabs false;
797 win#browserForwardButton#misc#set_sensitive false;
798 win#browserBackButton#misc#set_sensitive false;
799 ignore (win#browserUri#entry#connect#activate (handle_error' (fun () ->
800 self#loadInput win#browserUri#entry#text)));
801 ignore (win#browserHomeButton#connect#clicked (handle_error' (fun () ->
802 self#load (`About `Current_proof))));
803 ignore (win#browserRefreshButton#connect#clicked
804 (handle_error' (self#refresh ~force:true)));
805 ignore (win#browserBackButton#connect#clicked (handle_error' self#back));
806 ignore (win#browserForwardButton#connect#clicked
807 (handle_error' self#forward));
808 ignore (win#toplevel#event#connect#delete (fun _ ->
809 let my_id = Oo.id self in
810 cicBrowsers := List.filter (fun b -> Oo.id b <> my_id) !cicBrowsers;
811 if !cicBrowsers = [] &&
812 Helm_registry.get "matita.mode" = "cicbrowser"
816 ignore(win#whelpResultTreeview#connect#row_activated
817 ~callback:(fun _ _ ->
818 handle_error (fun () -> self#loadInput (self#_getSelectedUri ()))));
819 mathView#set_href_callback (Some (fun uri ->
820 handle_error (fun () ->
821 self#load (`Uri (UriManager.uri_of_string uri)))));
822 self#_load (`About `Blank);
825 val mutable current_entry = `About `Blank
828 new MatitaGtkMisc.taggedStringListModel tags win#whelpResultTreeview
830 val mutable lastDir = "" (* last loaded "directory" *)
832 method mathView = (mathView :> MatitaGuiTypes.clickableMathView)
834 method private _getSelectedUri () =
835 match model#easy_selection () with
836 | [sel] when is_uri sel -> sel (* absolute URI selected *)
837 (* | [sel] -> win#browserUri#entry#text ^ sel |+ relative URI selected +| *)
838 | [sel] -> lastDir ^ sel
841 (** history RATIONALE
843 * All operations about history are done using _historyFoo.
844 * Only toplevel functions (ATM load and loadInput) call _historyAdd.
847 method private _historyAdd item =
849 win#browserBackButton#misc#set_sensitive true;
850 win#browserForwardButton#misc#set_sensitive false
852 method private _historyPrev () =
853 let item = history#previous in
854 if history#is_begin then win#browserBackButton#misc#set_sensitive false;
855 win#browserForwardButton#misc#set_sensitive true;
858 method private _historyNext () =
859 let item = history#next in
860 if history#is_end then win#browserForwardButton#misc#set_sensitive false;
861 win#browserBackButton#misc#set_sensitive true;
864 (** notebook RATIONALE
866 * Use only these functions to switch between the tabs
868 method private _showMath = win#mathOrListNotebook#goto_page 0
869 method private _showList = win#mathOrListNotebook#goto_page 1
871 method private back () =
873 self#_load (self#_historyPrev ())
874 with MatitaMisc.History_failure -> ()
876 method private forward () =
878 self#_load (self#_historyNext ())
879 with MatitaMisc.History_failure -> ()
881 (* loads a uri which can be a cic uri or an about:* uri
882 * @param uri string *)
883 method private _load ?(force=false) entry =
884 handle_error (fun () ->
885 if entry <> current_entry || entry = `About `Current_proof || force then
888 | `About `Current_proof -> self#home ()
889 | `About `Blank -> self#blank ()
890 | `About `Us -> self#egg ()
891 | `Check term -> self#_loadCheck term
892 | `Cic (term, metasenv) -> self#_loadTermCic term metasenv
893 | `Dir dir -> self#_loadDir dir
894 | `Uri uri -> self#_loadUriManagerUri uri
895 | `Whelp (query, results) ->
896 set_whelp_query query;
897 self#_loadList (List.map (fun r -> "obj",
898 UriManager.string_of_uri r) results));
902 method private blank () =
904 mathView#load_root (Lazy.force empty_mathml)#get_documentElement
906 method private _loadCheck term =
907 failwith "not implemented _loadCheck";
910 method private egg () =
911 win#mathOrListNotebook#goto_page 2;
912 Lazy.force load_easter_egg
914 method private home () =
916 match self#script#grafite_status.proof_status with
917 | Proof (uri, metasenv, bo, ty) ->
918 let name = UriManager.name_of_uri (HExtlib.unopt uri) in
919 let obj = Cic.CurrentProof (name, metasenv, bo, ty, [], []) in
921 | Incomplete_proof { proof = (uri, metasenv, bo, ty) } ->
922 let name = UriManager.name_of_uri (HExtlib.unopt uri) in
923 let obj = Cic.CurrentProof (name, metasenv, bo, ty, [], []) in
927 (** loads a cic uri from the environment
928 * @param uri UriManager.uri *)
929 method private _loadUriManagerUri uri =
930 let uri = UriManager.strip_xpointer uri in
931 let (obj, _) = CicEnvironment.get_obj CicUniv.empty_ugraph uri in
934 method private _loadDir dir =
935 let content = Http_getter.ls dir in
941 | Http_getter_types.Ls_section s -> "dir", s
942 | Http_getter_types.Ls_object o -> "obj", o.Http_getter_types.uri)
948 method private setEntry entry =
949 win#browserUri#entry#set_text (MatitaTypes.string_of_entry entry);
950 current_entry <- entry
952 method private _loadObj obj =
953 (* showMath must be done _before_ loading the document, since if the
954 * widget is not mapped (hidden by the notebook) the document is not
957 mathView#load_object obj
959 method private _loadTermCic term metasenv =
960 let context = self#script#proofContext in
961 let dummyno = CicMkImplicit.new_meta metasenv [] in
962 let sequent = (dummyno, context, term) in
963 mathView#load_sequent (sequent :: metasenv) dummyno;
966 method private _loadList l =
967 model#list_store#clear ();
968 List.iter (fun (tag, s) -> model#easy_append ~tag s) l;
971 (** { public methods, all must call _load!! } *)
974 handle_error (fun () -> self#_load entry; self#_historyAdd entry)
976 (** this is what the browser does when you enter a string an hit enter *)
977 method loadInput txt =
978 let txt = HExtlib.trim_blanks txt in
980 UriManager.string_of_uri
981 (UriManager.strip_xpointer (UriManager.uri_of_string txt))
983 if is_whelp txt then begin
985 (MatitaScript.current ())#advance ~statement:(txt ^ ".") ()
989 | txt when is_uri txt -> `Uri (UriManager.uri_of_string (fix_uri txt))
990 | txt when is_dir txt -> `Dir (MatitaMisc.normalize_dir txt)
993 MatitaTypes.entry_of_string txt
994 with Invalid_argument _ ->
996 (GrafiteTypes.Command_error(sprintf "unsupported uri: %s" txt)))
999 self#_historyAdd entry
1002 (** {2 methods accessing underlying GtkMathView} *)
1004 method updateFontSize = mathView#set_font_size !current_font_size
1006 (** {2 methods used by constructor only} *)
1009 method history = history
1010 method currentEntry = current_entry
1011 method refresh ~force () = self#_load ~force current_entry
1015 let sequentsViewer ~(notebook:GPack.notebook) ~(cicMathView:cicMathView) ():
1016 MatitaGuiTypes.sequentsViewer
1018 new sequentsViewer ~notebook ~cicMathView ()
1021 let size = BuildTimeConf.browser_history_size in
1022 let rec aux history =
1023 let browser = new cicBrowser_impl ~history () in
1024 let win = browser#win in
1025 ignore (win#browserNewButton#connect#clicked (fun () ->
1027 new MatitaMisc.browser_history ~memento:history#save size
1030 let newBrowser = aux history in
1031 newBrowser#load browser#currentEntry));
1033 (* attempt (failed) to close windows on CTRL-W ... *)
1034 MatitaGtkMisc.connect_key win#browserWinEventBox#event ~modifiers:[`CONTROL]
1035 GdkKeysyms._W (fun () -> win#toplevel#destroy ());
1037 cicBrowsers := browser :: !cicBrowsers;
1038 (browser :> MatitaGuiTypes.cicBrowser)
1040 let history = new MatitaMisc.browser_history size (`About `Blank) in
1043 let default_cicMathView () = cicMathView ~show:true ()
1044 let cicMathView_instance = MatitaMisc.singleton default_cicMathView
1046 let default_sequentsViewer () =
1047 let gui = get_gui () in
1048 let cicMathView = cicMathView_instance () in
1049 sequentsViewer ~notebook:gui#main#sequentsNotebook ~cicMathView ()
1050 let sequentsViewer_instance = MatitaMisc.singleton default_sequentsViewer
1054 method private get_browser reuse =
1056 (match !cicBrowsers with
1057 | [] -> cicBrowser ()
1058 | b :: _ -> (b :> MatitaGuiTypes.cicBrowser))
1062 method show_entry ?(reuse=false) t = (self#get_browser reuse)#load t
1064 method show_uri_list ?(reuse=false) ~entry l =
1065 (self#get_browser reuse)#load entry
1068 let refresh_all_browsers () =
1069 List.iter (fun b -> b#refresh ~force:false ()) !cicBrowsers
1071 let update_font_sizes () =
1072 List.iter (fun b -> b#updateFontSize) !cicBrowsers;
1073 (cicMathView_instance ())#update_font_size
1075 let get_math_views () =
1076 ((cicMathView_instance ()) :> MatitaGuiTypes.clickableMathView)
1077 :: (List.map (fun b -> b#mathView) !cicBrowsers)
1079 let find_selection_owner () =
1082 | [] -> raise Not_found
1084 (match mv#get_selections with
1088 aux (get_math_views ())
1090 let has_selection () =
1091 try ignore (find_selection_owner ()); true
1092 with Not_found -> false
1094 let math_view_clipboard = ref None (* associative list target -> string *)
1095 let has_clipboard () = !math_view_clipboard <> None
1096 let empty_clipboard () = math_view_clipboard := None
1098 let copy_selection () =
1100 math_view_clipboard :=
1101 Some ((find_selection_owner ())#strings_of_selection)
1102 with Not_found -> failwith "no selection"
1104 let paste_clipboard paste_kind =
1105 match !math_view_clipboard with
1106 | None -> failwith "empty clipboard"
1108 (try List.assoc paste_kind cb with Not_found -> assert false)