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/.
32 module Stack = Continuationals.Stack
34 (** inherit from this class if you want to access current script *)
35 class scriptAccessor =
37 method private script = MatitaScript.current ()
40 let cicBrowsers = ref []
41 let gui_instance = ref None
42 let set_gui gui = gui_instance := Some gui
44 match !gui_instance with
45 | None -> assert false
48 let default_font_size () =
49 Helm_registry.get_opt_default Helm_registry.int
50 ~default:BuildTimeConf.default_font_size "matita.font_size"
51 let current_font_size = ref ~-1
52 let increase_font_size () = incr current_font_size
53 let decrease_font_size () = decr current_font_size
54 let reset_font_size () = current_font_size := default_font_size ()
56 (* is there any lablgtk2 constant corresponding to the various mouse
62 let near (x1, y1) (x2, y2) =
63 let distance = sqrt (((x2 -. x1) ** 2.) +. ((y2 -. y1) ** 2.)) in
66 let xlink_ns = Gdome.domString "http://www.w3.org/1999/xlink"
67 let helm_ns = Gdome.domString "http://www.cs.unibo.it/helm"
68 let href_ds = Gdome.domString "href"
69 let xref_ds = Gdome.domString "xref"
71 let domImpl = Gdome.domImplementation ()
73 (** Gdome.element of a MathML document whose rendering should be blank. Used
74 * by cicBrowser to render "about:blank" document *)
75 let empty_mathml = lazy (
76 domImpl#createDocument ~namespaceURI:(Some DomMisc.mathml_ns)
77 ~qualifiedName:(Gdome.domString "math") ~doctype:None)
79 let empty_boxml = lazy (
80 domImpl#createDocument ~namespaceURI:(Some DomMisc.boxml_ns)
81 ~qualifiedName:(Gdome.domString "box") ~doctype:None)
83 (** shown for goals closed by side effects *)
84 let closed_goal_mathml = lazy (
85 domImpl#createDocumentFromURI ~uri:BuildTimeConf.closed_xml ())
87 (* ids_to_terms should not be passed here, is just for debugging *)
88 let find_root_id annobj id ids_to_father_ids ids_to_terms ids_to_inner_types =
89 let find_parent id ids =
91 (* (prerr_endline (sprintf "id %s = %s" id
93 CicPp.ppterm (Hashtbl.find ids_to_terms id)
94 with Not_found -> "NONE"))); *)
95 if List.mem id ids then Some id
98 (try Hashtbl.find ids_to_father_ids id with Not_found -> None)
101 | Some id' -> aux id')
105 let return_father id ids =
106 match find_parent id ids with
107 | None -> assert false
108 | Some parent_id -> parent_id
110 let mk_ids terms = List.map CicUtil.id_of_annterm terms in
114 match types.Cic2acic.annexpected with
115 None -> types.Cic2acic.annsynthesized :: acc
116 | Some ty -> ty :: types.Cic2acic.annsynthesized :: acc
117 ) ids_to_inner_types [] in
119 | Cic.AConstant (_, _, _, Some bo, ty, _, _)
120 | Cic.AVariable (_, _, Some bo, ty, _, _)
121 | Cic.ACurrentProof (_, _, _, _, bo, ty, _, _) ->
122 return_father id (mk_ids (ty :: bo :: inner_types))
123 | Cic.AConstant (_, _, _, None, ty, _, _)
124 | Cic.AVariable (_, _, None, ty, _, _) ->
125 return_father id (mk_ids (ty::inner_types))
126 | Cic.AInductiveDefinition _ ->
127 assert false (* TODO *)
129 (** @return string content of a dom node having a single text child node, e.g.
130 * <m:mi xlink:href="...">bool</m:mi> *)
131 let string_of_dom_node node =
132 match node#get_firstChild with
136 let text = new Gdome.text_of_node node in
137 text#get_data#to_string
138 with GdomeInit.DOMCastException _ -> "")
140 let name_of_hypothesis = function
141 | Some (Cic.Name s, _) -> s
144 let id_of_node (node: Gdome.element) =
146 node#getAttributeNS ~namespaceURI:helm_ns ~localName:xref_ds in
148 List.hd (HExtlib.split ~sep:' ' xref_attr#to_string)
149 with Failure _ -> assert false
152 | SelTerm of Cic.term * string option (* term, parent hypothesis (if any) *)
153 | SelHyp of string * Cic.context (* hypothesis, context *)
155 class clickableMathView obj =
156 let text_width = 80 in
157 let dummy_loc = HExtlib.dummy_floc in
159 inherit GMathViewAux.multi_selection_math_view obj
161 val mutable href_callback: (string -> unit) option = None
162 method set_href_callback f = href_callback <- f
164 val mutable _cic_info = None
165 method private set_cic_info info = _cic_info <- info
166 method private cic_info = _cic_info
169 self#set_font_size !current_font_size;
170 ignore (self#connect#selection_changed self#choose_selection_cb);
171 ignore (self#event#connect#button_press self#button_press_cb);
172 ignore (self#event#connect#button_release self#button_release_cb);
173 ignore (self#event#connect#selection_clear self#selection_clear_cb);
174 ignore (self#coerce#misc#connect#selection_get self#selection_get_cb)
176 val mutable button_press_x = -1.
177 val mutable button_press_y = -1.
178 val mutable selection_changed = false
180 method private selection_get_cb ctxt ~info ~time =
182 match ctxt#target with
183 | "PATTERN" -> self#text_of_selection `Pattern
184 | "TERM" | _ -> self#text_of_selection `Term
188 | Some s -> ctxt#return s
190 method private text_of_selection fmt =
191 match self#get_selections with
193 | node :: _ -> Some (self#string_of_node ~paste_kind:fmt node)
195 method private selection_clear_cb sel_event =
196 self#remove_selections;
197 (GData.clipboard Gdk.Atom.clipboard)#clear ();
200 method private button_press_cb gdk_button =
201 let button = GdkEvent.Button.button gdk_button in
202 if button = left_button then begin
203 button_press_x <- GdkEvent.Button.x gdk_button;
204 button_press_y <- GdkEvent.Button.y gdk_button;
205 selection_changed <- false
206 end else if button = right_button then
207 self#popup_contextual_menu (GdkEvent.Button.time gdk_button);
210 (** @return a pattern structure which contains pretty printed terms *)
211 method private tactic_text_pattern_of_selection =
212 match self#get_selections with
213 | [] -> assert false (* this method is invoked only if there's a sel. *)
215 let id = id_of_node node in
216 let cic_info, unsh_sequent = self#get_cic_info id in
217 match self#get_term_by_id cic_info id with
218 | SelTerm (t, father_hyp) ->
219 let sequent = self#sequent_of_id ~paste_kind:`Pattern id in
220 let text = self#string_of_cic_sequent sequent in
221 (match father_hyp with
222 | None -> None, [], Some text
223 | Some hyp_name -> None, [ hyp_name, text ], None)
224 | SelHyp (hyp_name, _ctxt) -> None, [ hyp_name, "%" ], None
226 method private popup_contextual_menu time =
227 let menu = GMenu.menu () in
228 let add_menu_item ?(menu = menu) ?stock ?label () =
229 GMenu.image_menu_item ?stock ?label ~packing:menu#append () in
230 let check = add_menu_item ~label:"Check" () in
231 let reductions_menu_item = GMenu.menu_item ~label:"βδιζ-reduce" () in
232 menu#append reductions_menu_item;
233 let reductions = GMenu.menu () in
234 reductions_menu_item#set_submenu reductions;
235 let normalize = add_menu_item ~menu:reductions ~label:"Normalize" () in
236 let reduce = add_menu_item ~menu:reductions ~label:"Reduce" () in
237 let simplify = add_menu_item ~menu:reductions ~label:"Simplify" () in
238 let whd = add_menu_item ~menu:reductions ~label:"Weak head" () in
239 menu#append (GMenu.separator_item ());
240 let copy = add_menu_item ~stock:`COPY () in
241 let gui = get_gui () in
242 List.iter (fun item -> item#misc#set_sensitive gui#canCopy)
243 [ copy; check; normalize; reduce; simplify; whd ];
244 let reduction_action kind () =
245 let pat = self#tactic_text_pattern_of_selection in
247 let loc = HExtlib.dummy_floc in
249 GrafiteAstPp.pp_executable ~term_pp:(fun s -> s)
250 ~lazy_term_pp:(fun _ -> assert false) ~obj_pp:(fun _ -> assert false)
251 (GrafiteAst.Tactical (loc,
252 GrafiteAst.Tactic (loc, GrafiteAst.Reduce (loc, kind, pat)),
253 Some (GrafiteAst.Semicolon loc))) in
254 (MatitaScript.current ())#advance ~statement () in
255 connect_menu_item copy gui#copy;
256 connect_menu_item normalize (reduction_action `Normalize);
257 connect_menu_item reduce (reduction_action `Reduce);
258 connect_menu_item simplify (reduction_action `Simpl);
259 connect_menu_item whd (reduction_action `Whd);
260 menu#popup ~button:right_button ~time
262 method private button_release_cb gdk_button =
263 if GdkEvent.Button.button gdk_button = left_button then begin
264 let button_release_x = GdkEvent.Button.x gdk_button in
265 let button_release_y = GdkEvent.Button.y gdk_button in
266 if selection_changed then
268 else (* selection _not_ changed *)
269 if near (button_press_x, button_press_y)
270 (button_release_x, button_release_y)
272 let x = int_of_float button_press_x in
273 let y = int_of_float button_press_y in
274 (match self#get_element_at x y with
277 let localName = href_ds in
278 if elt#hasAttributeNS ~namespaceURI:xlink_ns ~localName then
279 self#invoke_href_callback
280 (elt#getAttributeNS ~namespaceURI:xlink_ns
281 ~localName)#to_string
284 ignore (self#action_toggle elt));
288 method private invoke_href_callback href_value gdk_button =
289 let button = GdkEvent.Button.button gdk_button in
290 if button = left_button then
291 let time = GdkEvent.Button.time gdk_button in
292 match href_callback with
295 (match HExtlib.split href_value with
298 let menu = GMenu.menu () in
302 GMenu.menu_item ~label:uri ~packing:menu#append () in
303 connect_menu_item menu_item (fun () -> f uri))
305 menu#popup ~button ~time)
307 method private choose_selection_cb gdome_elt =
308 let set_selection elt =
309 let misc = self#coerce#misc in
310 self#set_selection (Some elt);
311 misc#add_selection_target ~target:"STRING" Gdk.Atom.primary;
312 ignore (misc#grab_selection Gdk.Atom.primary);
315 if (elt#getAttributeNS ~namespaceURI:helm_ns
316 ~localName:xref_ds)#to_string <> ""
321 (match elt#get_parentNode with
322 | None -> assert false
323 | Some p -> aux (new Gdome.element_of_node p))
324 with GdomeInit.DOMCastException _ -> ()
326 (match gdome_elt with
327 | Some elt when (elt#getAttributeNS ~namespaceURI:xlink_ns
328 ~localName:href_ds)#to_string <> "" ->
330 | Some elt -> aux elt
331 | None -> self#set_selection None);
332 selection_changed <- true
334 method update_font_size = self#set_font_size !current_font_size
336 (** find a term by id from stored CIC infos @return either `Hyp if the id
337 * correspond to an hypothesis or `Term (cic, hyp) if the id correspond to a
338 * term. In the latter case hyp is either None (if the term is a subterm of
339 * the sequent conclusion) or Some hyp_name if the term belongs to an
341 method private get_term_by_id cic_info id =
342 let unsh_item, ids_to_terms, ids_to_hypotheses, ids_to_father_ids, _, _ =
344 let rec find_father_hyp id =
345 if Hashtbl.mem ids_to_hypotheses id
346 then Some (name_of_hypothesis (Hashtbl.find ids_to_hypotheses id))
349 try Hashtbl.find ids_to_father_ids id
350 with Not_found -> assert false in
352 | Some id -> find_father_hyp id
356 let term = Hashtbl.find ids_to_terms id in
357 let father_hyp = find_father_hyp id in
358 SelTerm (term, father_hyp)
361 let hyp = Hashtbl.find ids_to_hypotheses id in
363 match unsh_item with Some seq -> seq | None -> assert false in
364 let context' = MatitaMisc.list_tl_at hyp context in
365 SelHyp (name_of_hypothesis hyp, context')
366 with Not_found -> assert false
368 method private find_obj_conclusion id =
369 match self#cic_info with
371 | Some (_, _, _, _, _, None) -> assert false
372 | Some (_, ids_to_terms, _, ids_to_father_ids, ids_to_inner_types, Some annobj) ->
374 find_root_id annobj id ids_to_father_ids ids_to_terms ids_to_inner_types
376 (try Hashtbl.find ids_to_terms id with Not_found -> assert false)
378 method private string_of_node ~(paste_kind:paste_kind) node =
379 if node#hasAttributeNS ~namespaceURI:helm_ns ~localName:xref_ds
381 let id = id_of_node node in
382 self#string_of_cic_sequent (self#sequent_of_id ~paste_kind id)
383 else string_of_dom_node node
385 method private string_of_cic_sequent cic_sequent =
386 let script = MatitaScript.current () in
388 if script#onGoingProof () then script#proofMetasenv else [] in
389 let _, (acic_sequent, _, _, ids_to_inner_sorts, _) =
390 Cic2acic.asequent_of_sequent metasenv cic_sequent in
391 let _, _, _, annterm = acic_sequent in
392 let ast, ids_to_uris =
393 TermAcicContent.ast_of_acic ids_to_inner_sorts annterm in
394 let pped_ast = TermContentPres.pp_ast ast in
395 let markup = CicNotationPres.render ids_to_uris pped_ast in
396 BoxPp.render_to_string text_width markup
398 method private pattern_of term context unsh_sequent =
399 let context_len = List.length context in
400 let _, unsh_context, conclusion = unsh_sequent in
403 List.nth unsh_context (List.length unsh_context - context_len - 1)
405 | None -> assert false (* can't select a restricted hypothesis *)
406 | Some (name, Cic.Decl ty) ->
407 ProofEngineHelpers.pattern_of ~term:ty [term]
408 | Some (name, Cic.Def (bo, _)) ->
409 ProofEngineHelpers.pattern_of ~term:bo [term])
410 with Failure _ | Invalid_argument _ ->
411 ProofEngineHelpers.pattern_of ~term:conclusion [term]
413 method private get_cic_info id =
414 match self#cic_info with
415 | Some ((Some unsh_sequent, _, _, _, _, _) as info) -> info, unsh_sequent
416 | Some ((None, _, _, _, _, _) as info) ->
417 let t = self#find_obj_conclusion id in
418 info, (~-1, [], t) (* dummy sequent for obj *)
419 | None -> assert false
421 method private sequent_of_id ~(paste_kind:paste_kind) id =
422 let cic_info, unsh_sequent = self#get_cic_info id in
424 match self#get_term_by_id cic_info id with
425 | SelTerm (t, _father_hyp) ->
427 ProofEngineHelpers.locate_in_conjecture t unsh_sequent in
428 (match occurrences with
430 (match paste_kind with
431 | `Term -> ~-1, context, t
432 | `Pattern -> ~-1, [], self#pattern_of t context unsh_sequent)
434 HLog.error (sprintf "found %d occurrences while 1 was expected"
435 (List.length occurrences));
436 assert false) (* since it uses physical equality *)
437 | SelHyp (_name, context) -> ~-1, context, Cic.Rel 1 in
440 method private string_of_selection ~(paste_kind:paste_kind) =
441 match self#get_selections with
443 | node :: _ -> Some (self#string_of_node ~paste_kind node)
445 method has_selection = self#get_selections <> []
447 (** @return an associative list format -> string with all possible selection
448 * formats. Rationale: in order to convert the selection to TERM or PATTERN
449 * format we need the sequent, the metasenv, ... keeping all of them in a
450 * closure would be more expensive than keeping their already converted
452 method strings_of_selection =
454 let misc = self#coerce#misc in
456 (fun target -> misc#add_selection_target ~target Gdk.Atom.clipboard)
457 [ "TERM"; "PATTERN"; "STRING" ];
458 ignore (misc#grab_selection Gdk.Atom.clipboard);
461 paste_kind, HExtlib.unopt (self#string_of_selection ~paste_kind))
463 with Failure _ -> failwith "no selection"
467 let clickableMathView ?hadjustment ?vadjustment ?font_size ?log_verbosity =
468 GtkBase.Widget.size_params
469 ~cont:(OgtkMathViewProps.pack_return (fun p ->
470 OgtkMathViewProps.set_params
471 (new clickableMathView (GtkMathViewProps.MathView_GMetaDOM.create p))
472 ~font_size:None ~log_verbosity:None))
475 class cicMathView obj =
477 inherit clickableMathView obj
479 val mutable current_mathml = None
481 method load_sequent metasenv metano =
482 let sequent = CicUtil.lookup_meta metano metasenv in
483 let (mathml, unsh_sequent,
484 (_, (ids_to_terms, ids_to_father_ids, ids_to_hypotheses,_ )))
486 ApplyTransformation.mml_of_cic_sequent metasenv sequent
489 (Some (Some unsh_sequent,
490 ids_to_terms, ids_to_hypotheses, ids_to_father_ids,
491 Hashtbl.create 1, None));
492 let name = "sequent_viewer.xml" in
493 HLog.debug ("load_sequent: dumping MathML to ./" ^ name);
494 ignore (domImpl#saveDocumentToFile ~name ~doc:mathml ());
495 self#load_root ~root:mathml#get_documentElement
497 method load_object obj =
498 let use_diff = false in (* ZACK TODO use XmlDiff when re-rendering? *)
500 (annobj, (ids_to_terms, ids_to_father_ids, _, ids_to_hypotheses, _, ids_to_inner_types)))
502 ApplyTransformation.mml_of_cic_object obj
505 (Some (None, ids_to_terms, ids_to_hypotheses, ids_to_father_ids, ids_to_inner_types, Some annobj));
506 (match current_mathml with
507 | Some current_mathml when use_diff ->
509 XmlDiff.update_dom ~from:current_mathml mathml;
512 let name = "cic_browser.xml" in
513 HLog.debug ("cic_browser: dumping MathML to ./" ^ name);
514 ignore (domImpl#saveDocumentToFile ~name ~doc:mathml ());
515 self#load_root ~root:mathml#get_documentElement;
516 current_mathml <- Some mathml);
519 let tab_label meta_markup =
522 | `Current m -> sprintf "<b>%s</b>" (aux m)
523 | `Closed m -> sprintf "<s>%s</s>" (aux m)
524 | `Shift (pos, m) -> sprintf "|<sub>%d</sub>: %s" pos (aux m)
525 | `Meta n -> sprintf "?%d" n
527 let markup = aux meta_markup in
528 (GMisc.label ~markup ~show:true ())#coerce
530 let goal_of_switch = function Stack.Open g | Stack.Closed g -> g
532 class sequentsViewer ~(notebook:GPack.notebook) ~(cicMathView:cicMathView) () =
534 inherit scriptAccessor
536 val mutable pages = 0
537 val mutable switch_page_callback = None
538 val mutable page2goal = [] (* associative list: page no -> goal no *)
539 val mutable goal2page = [] (* the other way round *)
540 val mutable goal2win = [] (* associative list: goal no -> scrolled win *)
541 val mutable _metasenv = []
542 val mutable scrolledWin: GBin.scrolled_window option = None
543 (* scrolled window to which the sequentViewer is currently attached *)
544 val logo = (GMisc.image
545 ~file:(MatitaMisc.image_path "matita_medium.png") ()
548 val logo_with_qed = (GMisc.image
549 ~file:(MatitaMisc.image_path "matita_small.png") ()
553 notebook#set_show_tabs false;
554 notebook#append_page logo
556 method load_logo_with_qed =
557 notebook#set_show_tabs false;
558 notebook#append_page logo_with_qed
561 cicMathView#remove_selections;
562 (match scrolledWin with
564 (* removing page from the notebook will destroy all contained widget,
565 * we do not want the cicMathView to be destroyed as well *)
566 w#remove cicMathView#coerce;
569 (match switch_page_callback with
571 GtkSignal.disconnect notebook#as_widget id;
572 switch_page_callback <- None
574 for i = 0 to pages do notebook#remove_page 0 done;
575 notebook#set_show_tabs true;
581 self#script#setGoal ~-1;
583 method load_sequents { proof = (_,metasenv,_,_) as proof; stack = stack } =
584 _metasenv <- metasenv;
586 let win goal_switch =
588 GBin.scrolled_window ~hpolicy:`AUTOMATIC ~vpolicy:`ALWAYS
589 ~shadow_type:`IN ~show:true ()
592 scrolledWin <- Some w;
593 match cicMathView#misc#parent with
594 | None -> w#add cicMathView#coerce
597 match cicMathView#misc#parent with
599 | Some p -> GContainer.cast_container p
601 parent#remove cicMathView#coerce;
602 w#add cicMathView#coerce
604 goal2win <- (goal_switch, reparent) :: goal2win;
608 let stack_goals = Stack.open_goals stack in
609 let proof_goals = ProofEngineTypes.goals_of_proof proof in
611 HExtlib.list_uniq (List.sort Pervasives.compare stack_goals)
612 <> List.sort Pervasives.compare proof_goals
614 prerr_endline ("STACK GOALS = " ^ String.concat " " (List.map string_of_int stack_goals));
615 prerr_endline ("PROOF GOALS = " ^ String.concat " " (List.map string_of_int proof_goals));
621 function Stack.Open i ->`Meta i | Stack.Closed i ->`Closed (`Meta i)
624 let added_goals = ref [] in
625 (* goals can be duplicated on the tack due to focus, but we should avoid
626 * multiple labels in the user interface *)
627 let add_tab markup goal_switch =
628 let goal = Stack.goal_of_switch goal_switch in
629 if not (List.mem goal !added_goals) then begin
630 notebook#append_page ~tab_label:(tab_label markup) (win goal_switch);
631 page2goal <- (!page, goal_switch) :: page2goal;
632 goal2page <- (goal_switch, !page) :: goal2page;
635 added_goals := goal :: !added_goals
638 let add_switch _ _ (_, sw) = add_tab (render_switch sw) sw in
639 Stack.iter (** populate notebook with tabs *)
640 ~env:(fun depth tag (pos, sw) ->
642 match depth, pos with
643 | 0, _ -> `Current (render_switch sw)
644 | 1, pos when Stack.head_tag stack = `BranchTag ->
645 `Shift (pos, render_switch sw)
646 | _ -> render_switch sw
649 ~cont:add_switch ~todo:add_switch
651 switch_page_callback <-
652 Some (notebook#connect#switch_page ~callback:(fun page ->
654 try List.assoc page page2goal with Not_found -> assert false
656 self#script#setGoal (goal_of_switch goal_switch);
657 self#render_page ~page ~goal_switch))
659 method private render_page ~page ~goal_switch =
660 (match goal_switch with
661 | Stack.Open goal -> cicMathView#load_sequent _metasenv goal
662 | Stack.Closed goal ->
663 let doc = Lazy.force closed_goal_mathml in
664 cicMathView#load_root ~root:doc#get_documentElement);
666 cicMathView#set_selection None;
667 List.assoc goal_switch goal2win ()
668 with Not_found -> assert false)
670 method goto_sequent goal =
671 let goal_switch, page =
674 (function Stack.Open g, _ | Stack.Closed g, _ -> g = goal)
676 with Not_found -> assert false
678 notebook#goto_page page;
679 self#render_page page goal_switch
685 type 'widget constructor =
686 ?hadjustment:GData.adjustment ->
687 ?vadjustment:GData.adjustment ->
689 ?log_verbosity:int ->
692 ?packing:(GObj.widget -> unit) ->
697 let cicMathView ?hadjustment ?vadjustment ?font_size ?log_verbosity =
698 GtkBase.Widget.size_params
699 ~cont:(OgtkMathViewProps.pack_return (fun p ->
700 OgtkMathViewProps.set_params
701 (new cicMathView (GtkMathViewProps.MathView_GMetaDOM.create p))
702 ~font_size ~log_verbosity))
705 let blank_uri = BuildTimeConf.blank_uri
706 let current_proof_uri = BuildTimeConf.current_proof_uri
709 [ `Ast of CicNotationPt.term
710 | `Cic of Cic.term * Cic.metasenv
714 class cicBrowser_impl ~(history:MatitaTypes.mathViewer_entry MatitaMisc.history)
717 let whelp_RE = Pcre.regexp "^\\s*whelp" in
720 "^cic:/([^/]+/)*[^/]+\\.(con|ind|var)(#xpointer\\(\\d+(/\\d+)+\\))?$"
722 let dir_RE = Pcre.regexp "^cic:((/([^/]+/)*[^/]+(/)?)|/|)$" in
723 let whelp_query_RE = Pcre.regexp "^\\s*whelp\\s+([^\\s]+)\\s+(.*)$" in
724 let is_whelp txt = Pcre.pmatch ~rex:whelp_RE txt in
725 let is_uri txt = Pcre.pmatch ~rex:uri_RE txt in
726 let is_dir txt = Pcre.pmatch ~rex:dir_RE txt in
727 let gui = get_gui () in
728 let (win: MatitaGuiTypes.browserWin) = gui#newBrowserWin () in
729 let queries = ["Locate";"Hint";"Match";"Elim";"Instance"] in
730 let combo,_ = GEdit.combo_box_text ~strings:queries () in
731 let activate_combo_query input q =
732 let q' = String.lowercase q in
733 let rec aux i = function
734 | [] -> failwith ("Whelp query '" ^ q ^ "' not found")
735 | h::_ when String.lowercase h = q' -> i
736 | _::tl -> aux (i+1) tl
738 combo#set_active (aux 0 queries);
739 win#queryInputText#set_text input
741 let set_whelp_query txt =
744 let q = Pcre.extract ~rex:whelp_query_RE txt in
746 with Invalid_argument _ -> failwith "Malformed Whelp query"
748 activate_combo_query arg query
750 let toplevel = win#toplevel in
751 let mathView = cicMathView ~packing:win#scrolledBrowser#add () in
753 MatitaGtkMisc.report_error ~title:"Cic browser" ~message
757 [ "dir", GdkPixbuf.from_file (MatitaMisc.image_path "matita-folder.png");
758 "obj", GdkPixbuf.from_file (MatitaMisc.image_path "matita-object.png") ]
764 if not (Helm_registry.get_bool "matita.debug") then
765 fail (snd (MatitaExcPp.to_string exn))
768 let handle_error' f = (fun () -> handle_error (fun () -> f ())) in
769 let load_easter_egg = lazy (
770 win#easterEggImage#set_file (MatitaMisc.image_path "meegg.png"))
773 inherit scriptAccessor
775 (* Whelp bar queries *)
778 activate_combo_query "" "locate";
779 win#whelpBarComboVbox#add combo#coerce;
781 let query = String.lowercase (List.nth queries combo#active) in
782 let input = win#queryInputText#text in
783 let statement = "whelp " ^ query ^ " " ^ input ^ "." in
784 (MatitaScript.current ())#advance ~statement ()
786 ignore(win#queryInputText#connect#activate ~callback:start_query);
787 ignore(combo#connect#changed ~callback:start_query);
788 win#whelpBarImage#set_file (MatitaMisc.image_path "whelp.png");
789 win#mathOrListNotebook#set_show_tabs false;
790 win#browserForwardButton#misc#set_sensitive false;
791 win#browserBackButton#misc#set_sensitive false;
792 ignore (win#browserUri#entry#connect#activate (handle_error' (fun () ->
793 self#loadInput win#browserUri#entry#text)));
794 ignore (win#browserHomeButton#connect#clicked (handle_error' (fun () ->
795 self#load (`About `Current_proof))));
796 ignore (win#browserRefreshButton#connect#clicked
797 (handle_error' (self#refresh ~force:true)));
798 ignore (win#browserBackButton#connect#clicked (handle_error' self#back));
799 ignore (win#browserForwardButton#connect#clicked
800 (handle_error' self#forward));
801 ignore (win#toplevel#event#connect#delete (fun _ ->
802 let my_id = Oo.id self in
803 cicBrowsers := List.filter (fun b -> Oo.id b <> my_id) !cicBrowsers;
804 if !cicBrowsers = [] &&
805 Helm_registry.get "matita.mode" = "cicbrowser"
809 ignore(win#whelpResultTreeview#connect#row_activated
810 ~callback:(fun _ _ ->
811 handle_error (fun () -> self#loadInput (self#_getSelectedUri ()))));
812 mathView#set_href_callback (Some (fun uri ->
813 handle_error (fun () ->
814 self#load (`Uri (UriManager.uri_of_string uri)))));
815 self#_load (`About `Blank);
818 val mutable current_entry = `About `Blank
821 new MatitaGtkMisc.taggedStringListModel tags win#whelpResultTreeview
823 val mutable lastDir = "" (* last loaded "directory" *)
825 method mathView = (mathView :> MatitaGuiTypes.clickableMathView)
827 method private _getSelectedUri () =
828 match model#easy_selection () with
829 | [sel] when is_uri sel -> sel (* absolute URI selected *)
830 (* | [sel] -> win#browserUri#entry#text ^ sel |+ relative URI selected +| *)
831 | [sel] -> lastDir ^ sel
834 (** history RATIONALE
836 * All operations about history are done using _historyFoo.
837 * Only toplevel functions (ATM load and loadInput) call _historyAdd.
840 method private _historyAdd item =
842 win#browserBackButton#misc#set_sensitive true;
843 win#browserForwardButton#misc#set_sensitive false
845 method private _historyPrev () =
846 let item = history#previous in
847 if history#is_begin then win#browserBackButton#misc#set_sensitive false;
848 win#browserForwardButton#misc#set_sensitive true;
851 method private _historyNext () =
852 let item = history#next in
853 if history#is_end then win#browserForwardButton#misc#set_sensitive false;
854 win#browserBackButton#misc#set_sensitive true;
857 (** notebook RATIONALE
859 * Use only these functions to switch between the tabs
861 method private _showMath = win#mathOrListNotebook#goto_page 0
862 method private _showList = win#mathOrListNotebook#goto_page 1
864 method private back () =
866 self#_load (self#_historyPrev ())
867 with MatitaMisc.History_failure -> ()
869 method private forward () =
871 self#_load (self#_historyNext ())
872 with MatitaMisc.History_failure -> ()
874 (* loads a uri which can be a cic uri or an about:* uri
875 * @param uri string *)
876 method private _load ?(force=false) entry =
877 handle_error (fun () ->
878 if entry <> current_entry || entry = `About `Current_proof || force then
881 | `About `Current_proof -> self#home ()
882 | `About `Blank -> self#blank ()
883 | `About `Us -> self#egg ()
884 | `Check term -> self#_loadCheck term
885 | `Cic (term, metasenv) -> self#_loadTermCic term metasenv
886 | `Dir dir -> self#_loadDir dir
887 | `Uri uri -> self#_loadUriManagerUri uri
888 | `Whelp (query, results) ->
889 set_whelp_query query;
890 self#_loadList (List.map (fun r -> "obj",
891 UriManager.string_of_uri r) results));
895 method private blank () =
897 mathView#load_root (Lazy.force empty_mathml)#get_documentElement
899 method private _loadCheck term =
900 failwith "not implemented _loadCheck";
903 method private egg () =
904 win#mathOrListNotebook#goto_page 2;
905 Lazy.force load_easter_egg
907 method private home () =
909 match self#script#grafite_status.proof_status with
910 | Proof (uri, metasenv, bo, ty) ->
911 let name = UriManager.name_of_uri (HExtlib.unopt uri) in
912 let obj = Cic.CurrentProof (name, metasenv, bo, ty, [], []) in
914 | Incomplete_proof { proof = (uri, metasenv, bo, ty) } ->
915 let name = UriManager.name_of_uri (HExtlib.unopt uri) in
916 let obj = Cic.CurrentProof (name, metasenv, bo, ty, [], []) in
920 (** loads a cic uri from the environment
921 * @param uri UriManager.uri *)
922 method private _loadUriManagerUri uri =
923 let uri = UriManager.strip_xpointer uri in
924 let (obj, _) = CicEnvironment.get_obj CicUniv.empty_ugraph uri in
927 method private _loadDir dir =
928 let content = Http_getter.ls dir in
934 | Http_getter_types.Ls_section s -> "dir", s
935 | Http_getter_types.Ls_object o -> "obj", o.Http_getter_types.uri)
941 method private setEntry entry =
942 win#browserUri#entry#set_text (MatitaTypes.string_of_entry entry);
943 current_entry <- entry
945 method private _loadObj obj =
946 (* showMath must be done _before_ loading the document, since if the
947 * widget is not mapped (hidden by the notebook) the document is not
950 mathView#load_object obj
952 method private _loadTermCic term metasenv =
953 let context = self#script#proofContext in
954 let dummyno = CicMkImplicit.new_meta metasenv [] in
955 let sequent = (dummyno, context, term) in
956 mathView#load_sequent (sequent :: metasenv) dummyno;
959 method private _loadList l =
960 model#list_store#clear ();
961 List.iter (fun (tag, s) -> model#easy_append ~tag s) l;
964 (** { public methods, all must call _load!! } *)
967 handle_error (fun () -> self#_load entry; self#_historyAdd entry)
969 (** this is what the browser does when you enter a string an hit enter *)
970 method loadInput txt =
971 let txt = HExtlib.trim_blanks txt in
973 UriManager.string_of_uri
974 (UriManager.strip_xpointer (UriManager.uri_of_string txt))
976 if is_whelp txt then begin
978 (MatitaScript.current ())#advance ~statement:(txt ^ ".") ()
982 | txt when is_uri txt -> `Uri (UriManager.uri_of_string (fix_uri txt))
983 | txt when is_dir txt -> `Dir (MatitaMisc.normalize_dir txt)
986 MatitaTypes.entry_of_string txt
987 with Invalid_argument _ ->
989 (GrafiteTypes.Command_error(sprintf "unsupported uri: %s" txt)))
992 self#_historyAdd entry
995 (** {2 methods accessing underlying GtkMathView} *)
997 method updateFontSize = mathView#set_font_size !current_font_size
999 (** {2 methods used by constructor only} *)
1002 method history = history
1003 method currentEntry = current_entry
1004 method refresh ~force () = self#_load ~force current_entry
1008 let sequentsViewer ~(notebook:GPack.notebook) ~(cicMathView:cicMathView) ():
1009 MatitaGuiTypes.sequentsViewer
1011 new sequentsViewer ~notebook ~cicMathView ()
1014 let size = BuildTimeConf.browser_history_size in
1015 let rec aux history =
1016 let browser = new cicBrowser_impl ~history () in
1017 let win = browser#win in
1018 ignore (win#browserNewButton#connect#clicked (fun () ->
1020 new MatitaMisc.browser_history ~memento:history#save size
1023 let newBrowser = aux history in
1024 newBrowser#load browser#currentEntry));
1026 (* attempt (failed) to close windows on CTRL-W ... *)
1027 MatitaGtkMisc.connect_key win#browserWinEventBox#event ~modifiers:[`CONTROL]
1028 GdkKeysyms._W (fun () -> win#toplevel#destroy ());
1030 cicBrowsers := browser :: !cicBrowsers;
1031 (browser :> MatitaGuiTypes.cicBrowser)
1033 let history = new MatitaMisc.browser_history size (`About `Blank) in
1036 let default_cicMathView () = cicMathView ~show:true ()
1037 let cicMathView_instance = MatitaMisc.singleton default_cicMathView
1039 let default_sequentsViewer () =
1040 let gui = get_gui () in
1041 let cicMathView = cicMathView_instance () in
1042 sequentsViewer ~notebook:gui#main#sequentsNotebook ~cicMathView ()
1043 let sequentsViewer_instance = MatitaMisc.singleton default_sequentsViewer
1047 method private get_browser reuse =
1049 (match !cicBrowsers with
1050 | [] -> cicBrowser ()
1051 | b :: _ -> (b :> MatitaGuiTypes.cicBrowser))
1055 method show_entry ?(reuse=false) t = (self#get_browser reuse)#load t
1057 method show_uri_list ?(reuse=false) ~entry l =
1058 (self#get_browser reuse)#load entry
1061 let refresh_all_browsers () =
1062 List.iter (fun b -> b#refresh ~force:false ()) !cicBrowsers
1064 let update_font_sizes () =
1065 List.iter (fun b -> b#updateFontSize) !cicBrowsers;
1066 (cicMathView_instance ())#update_font_size
1068 let get_math_views () =
1069 ((cicMathView_instance ()) :> MatitaGuiTypes.clickableMathView)
1070 :: (List.map (fun b -> b#mathView) !cicBrowsers)
1072 let find_selection_owner () =
1075 | [] -> raise Not_found
1077 (match mv#get_selections with
1081 aux (get_math_views ())
1083 let has_selection () =
1084 try ignore (find_selection_owner ()); true
1085 with Not_found -> false
1087 let math_view_clipboard = ref None (* associative list target -> string *)
1088 let has_clipboard () = !math_view_clipboard <> None
1089 let empty_clipboard () = math_view_clipboard := None
1091 let copy_selection () =
1093 math_view_clipboard :=
1094 Some ((find_selection_owner ())#strings_of_selection)
1095 with Not_found -> failwith "no selection"
1097 let paste_clipboard paste_kind =
1098 match !math_view_clipboard with
1099 | None -> failwith "empty clipboard"
1101 (try List.assoc paste_kind cb with Not_found -> assert false)