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 let hrefs_of_elt elt =
158 let localName = href_ds in
159 if elt#hasAttributeNS ~namespaceURI:xlink_ns ~localName then
161 (elt#getAttributeNS ~namespaceURI:xlink_ns ~localName)#to_string in
162 Some (HExtlib.split text)
166 class clickableMathView obj =
167 let text_width = 80 in
169 inherit GMathViewAux.multi_selection_math_view obj
171 val mutable href_callback: (string -> unit) option = None
172 method set_href_callback f = href_callback <- f
174 val mutable _cic_info = None
175 method private set_cic_info info = _cic_info <- info
176 method private cic_info = _cic_info
178 val normal_cursor = Gdk.Cursor.create `LEFT_PTR
179 val href_cursor = Gdk.Cursor.create `HAND1
182 self#set_font_size !current_font_size;
183 ignore (self#connect#selection_changed self#choose_selection_cb);
184 ignore (self#event#connect#button_press self#button_press_cb);
185 ignore (self#event#connect#button_release self#button_release_cb);
186 ignore (self#event#connect#selection_clear self#selection_clear_cb);
187 ignore (self#connect#element_over self#element_over_cb);
188 ignore (self#coerce#misc#connect#selection_get self#selection_get_cb)
190 val mutable button_press_x = -1.
191 val mutable button_press_y = -1.
192 val mutable selection_changed = false
193 val mutable href_statusbar_msg:
194 (GMisc.statusbar_context * Gtk.statusbar_message) option = None
195 (* <statusbar ctxt, statusbar msg> *)
197 method private selection_get_cb ctxt ~info ~time =
199 match ctxt#target with
200 | "PATTERN" -> self#text_of_selection `Pattern
201 | "TERM" | _ -> self#text_of_selection `Term
205 | Some s -> ctxt#return s
207 method private text_of_selection fmt =
208 match self#get_selections with
210 | node :: _ -> Some (self#string_of_node ~paste_kind:fmt node)
212 method private selection_clear_cb sel_event =
213 self#remove_selections;
214 (GData.clipboard Gdk.Atom.clipboard)#clear ();
217 method private button_press_cb gdk_button =
218 let button = GdkEvent.Button.button gdk_button in
219 if button = left_button then begin
220 button_press_x <- GdkEvent.Button.x gdk_button;
221 button_press_y <- GdkEvent.Button.y gdk_button;
222 selection_changed <- false
223 end else if button = right_button then
224 self#popup_contextual_menu (GdkEvent.Button.time gdk_button);
227 method private element_over_cb (elt_opt, _, _, _) =
228 let win () = self#misc#window in
230 Gdk.Window.set_cursor (win ()) normal_cursor;
231 HExtlib.iter_option (fun (ctxt, msg) -> ctxt#remove msg)
236 (match hrefs_of_elt elt with
237 | Some ((_ :: _) as hrefs) ->
238 Gdk.Window.set_cursor (win ()) href_cursor;
239 let msg_text = (* now create statusbar msg and store it *)
241 | [ href ] -> sprintf "Hyperlink to %s" href
242 | _ -> sprintf "Hyperlinks to: %s" (String.concat ", " hrefs) in
243 let ctxt = (get_gui ())#main#statusBar#new_context ~name:"href" in
244 let msg = ctxt#push msg_text in
245 href_statusbar_msg <- Some (ctxt, msg)
246 | _ -> leave_href ())
247 | None -> leave_href ()
249 (** @return a pattern structure which contains pretty printed terms *)
250 method private tactic_text_pattern_of_selection =
251 match self#get_selections with
252 | [] -> assert false (* this method is invoked only if there's a sel. *)
254 let id = id_of_node node in
255 let cic_info, unsh_sequent = self#get_cic_info id in
256 match self#get_term_by_id cic_info id with
257 | SelTerm (t, father_hyp) ->
258 let sequent = self#sequent_of_id ~paste_kind:`Pattern id in
259 let text = self#string_of_cic_sequent sequent in
260 (match father_hyp with
261 | None -> None, [], Some text
262 | Some hyp_name -> None, [ hyp_name, text ], None)
263 | SelHyp (hyp_name, _ctxt) -> None, [ hyp_name, "%" ], None
265 method private popup_contextual_menu time =
266 let menu = GMenu.menu () in
267 let add_menu_item ?(menu = menu) ?stock ?label () =
268 GMenu.image_menu_item ?stock ?label ~packing:menu#append () in
269 let check = add_menu_item ~label:"Check" () in
270 let reductions_menu_item = GMenu.menu_item ~label:"βδιζ-reduce" () in
271 menu#append reductions_menu_item;
272 let reductions = GMenu.menu () in
273 reductions_menu_item#set_submenu reductions;
274 let normalize = add_menu_item ~menu:reductions ~label:"Normalize" () in
275 let reduce = add_menu_item ~menu:reductions ~label:"Reduce" () in
276 let simplify = add_menu_item ~menu:reductions ~label:"Simplify" () in
277 let whd = add_menu_item ~menu:reductions ~label:"Weak head" () in
278 menu#append (GMenu.separator_item ());
279 let copy = add_menu_item ~stock:`COPY () in
280 let gui = get_gui () in
281 List.iter (fun item -> item#misc#set_sensitive gui#canCopy)
282 [ copy; check; normalize; reduce; simplify; whd ];
283 let reduction_action kind () =
284 let pat = self#tactic_text_pattern_of_selection in
286 let loc = HExtlib.dummy_floc in
288 GrafiteAstPp.pp_executable ~term_pp:(fun s -> s)
289 ~lazy_term_pp:(fun _ -> assert false) ~obj_pp:(fun _ -> assert false)
290 (GrafiteAst.Tactical (loc,
291 GrafiteAst.Tactic (loc, GrafiteAst.Reduce (loc, kind, pat)),
292 Some (GrafiteAst.Semicolon loc))) in
293 (MatitaScript.current ())#advance ~statement () in
294 connect_menu_item copy gui#copy;
295 connect_menu_item normalize (reduction_action `Normalize);
296 connect_menu_item reduce (reduction_action `Reduce);
297 connect_menu_item simplify (reduction_action `Simpl);
298 connect_menu_item whd (reduction_action `Whd);
299 menu#popup ~button:right_button ~time
301 method private button_release_cb gdk_button =
302 if GdkEvent.Button.button gdk_button = left_button then begin
303 let button_release_x = GdkEvent.Button.x gdk_button in
304 let button_release_y = GdkEvent.Button.y gdk_button in
305 if selection_changed then
307 else (* selection _not_ changed *)
308 if near (button_press_x, button_press_y)
309 (button_release_x, button_release_y)
311 let x = int_of_float button_press_x in
312 let y = int_of_float button_press_y in
313 (match self#get_element_at x y with
316 (match hrefs_of_elt elt with
317 | Some hrefs -> self#invoke_href_callback hrefs gdk_button
318 | None -> ignore (self#action_toggle elt)))
322 method private invoke_href_callback hrefs gdk_button =
323 let button = GdkEvent.Button.button gdk_button in
324 if button = left_button then
325 let time = GdkEvent.Button.time gdk_button in
326 match href_callback with
332 let menu = GMenu.menu () in
336 GMenu.menu_item ~label:uri ~packing:menu#append () in
337 connect_menu_item menu_item (fun () -> f uri))
339 menu#popup ~button ~time)
341 method private choose_selection_cb gdome_elt =
342 let set_selection elt =
343 let misc = self#coerce#misc in
344 self#set_selection (Some elt);
345 misc#add_selection_target ~target:"STRING" Gdk.Atom.primary;
346 ignore (misc#grab_selection Gdk.Atom.primary);
349 if (elt#getAttributeNS ~namespaceURI:helm_ns
350 ~localName:xref_ds)#to_string <> ""
355 (match elt#get_parentNode with
356 | None -> assert false
357 | Some p -> aux (new Gdome.element_of_node p))
358 with GdomeInit.DOMCastException _ -> ()
360 (match gdome_elt with
361 | Some elt when (elt#getAttributeNS ~namespaceURI:xlink_ns
362 ~localName:href_ds)#to_string <> "" ->
364 | Some elt -> aux elt
365 | None -> self#set_selection None);
366 selection_changed <- true
368 method update_font_size = self#set_font_size !current_font_size
370 (** find a term by id from stored CIC infos @return either `Hyp if the id
371 * correspond to an hypothesis or `Term (cic, hyp) if the id correspond to a
372 * term. In the latter case hyp is either None (if the term is a subterm of
373 * the sequent conclusion) or Some hyp_name if the term belongs to an
375 method private get_term_by_id cic_info id =
376 let unsh_item, ids_to_terms, ids_to_hypotheses, ids_to_father_ids, _, _ =
378 let rec find_father_hyp id =
379 if Hashtbl.mem ids_to_hypotheses id
380 then Some (name_of_hypothesis (Hashtbl.find ids_to_hypotheses id))
383 try Hashtbl.find ids_to_father_ids id
384 with Not_found -> assert false in
386 | Some id -> find_father_hyp id
390 let term = Hashtbl.find ids_to_terms id in
391 let father_hyp = find_father_hyp id in
392 SelTerm (term, father_hyp)
395 let hyp = Hashtbl.find ids_to_hypotheses id in
397 match unsh_item with Some seq -> seq | None -> assert false in
398 let context' = MatitaMisc.list_tl_at hyp context in
399 SelHyp (name_of_hypothesis hyp, context')
400 with Not_found -> assert false
402 method private find_obj_conclusion id =
403 match self#cic_info with
405 | Some (_, _, _, _, _, None) -> assert false
406 | Some (_, ids_to_terms, _, ids_to_father_ids, ids_to_inner_types, Some annobj) ->
408 find_root_id annobj id ids_to_father_ids ids_to_terms ids_to_inner_types
410 (try Hashtbl.find ids_to_terms id with Not_found -> assert false)
412 method private string_of_node ~(paste_kind:paste_kind) node =
413 if node#hasAttributeNS ~namespaceURI:helm_ns ~localName:xref_ds
415 let id = id_of_node node in
416 self#string_of_cic_sequent (self#sequent_of_id ~paste_kind id)
417 else string_of_dom_node node
419 method private string_of_cic_sequent cic_sequent =
420 let script = MatitaScript.current () in
422 if script#onGoingProof () then script#proofMetasenv else [] in
423 let _, (acic_sequent, _, _, ids_to_inner_sorts, _) =
424 Cic2acic.asequent_of_sequent metasenv cic_sequent in
425 let _, _, _, annterm = acic_sequent in
426 let ast, ids_to_uris =
427 TermAcicContent.ast_of_acic ids_to_inner_sorts annterm in
428 let pped_ast = TermContentPres.pp_ast ast in
429 let markup = CicNotationPres.render ids_to_uris pped_ast in
430 BoxPp.render_to_string text_width markup
432 method private pattern_of term context unsh_sequent =
433 let context_len = List.length context in
434 let _, unsh_context, conclusion = unsh_sequent in
437 List.nth unsh_context (List.length unsh_context - context_len - 1)
439 | None -> assert false (* can't select a restricted hypothesis *)
440 | Some (name, Cic.Decl ty) ->
441 ProofEngineHelpers.pattern_of ~term:ty [term]
442 | Some (name, Cic.Def (bo, _)) ->
443 ProofEngineHelpers.pattern_of ~term:bo [term])
444 with Failure _ | Invalid_argument _ ->
445 ProofEngineHelpers.pattern_of ~term:conclusion [term]
447 method private get_cic_info id =
448 match self#cic_info with
449 | Some ((Some unsh_sequent, _, _, _, _, _) as info) -> info, unsh_sequent
450 | Some ((None, _, _, _, _, _) as info) ->
451 let t = self#find_obj_conclusion id in
452 info, (~-1, [], t) (* dummy sequent for obj *)
453 | None -> assert false
455 method private sequent_of_id ~(paste_kind:paste_kind) id =
456 let cic_info, unsh_sequent = self#get_cic_info id in
458 match self#get_term_by_id cic_info id with
459 | SelTerm (t, _father_hyp) ->
461 ProofEngineHelpers.locate_in_conjecture t unsh_sequent in
462 (match occurrences with
464 (match paste_kind with
465 | `Term -> ~-1, context, t
466 | `Pattern -> ~-1, [], self#pattern_of t context unsh_sequent)
468 HLog.error (sprintf "found %d occurrences while 1 was expected"
469 (List.length occurrences));
470 assert false) (* since it uses physical equality *)
471 | SelHyp (_name, context) -> ~-1, context, Cic.Rel 1 in
474 method private string_of_selection ~(paste_kind:paste_kind) =
475 match self#get_selections with
477 | node :: _ -> Some (self#string_of_node ~paste_kind node)
479 method has_selection = self#get_selections <> []
481 (** @return an associative list format -> string with all possible selection
482 * formats. Rationale: in order to convert the selection to TERM or PATTERN
483 * format we need the sequent, the metasenv, ... keeping all of them in a
484 * closure would be more expensive than keeping their already converted
486 method strings_of_selection =
488 let misc = self#coerce#misc in
490 (fun target -> misc#add_selection_target ~target Gdk.Atom.clipboard)
491 [ "TERM"; "PATTERN"; "STRING" ];
492 ignore (misc#grab_selection Gdk.Atom.clipboard);
495 paste_kind, HExtlib.unopt (self#string_of_selection ~paste_kind))
497 with Failure _ -> failwith "no selection"
501 let clickableMathView ?hadjustment ?vadjustment ?font_size ?log_verbosity =
502 GtkBase.Widget.size_params
503 ~cont:(OgtkMathViewProps.pack_return (fun p ->
504 OgtkMathViewProps.set_params
505 (new clickableMathView (GtkMathViewProps.MathView_GMetaDOM.create p))
506 ~font_size:None ~log_verbosity:None))
509 class cicMathView obj =
511 inherit clickableMathView obj
513 val mutable current_mathml = None
515 method load_sequent metasenv metano =
516 let sequent = CicUtil.lookup_meta metano metasenv in
517 let (mathml, unsh_sequent,
518 (_, (ids_to_terms, ids_to_father_ids, ids_to_hypotheses,_ )))
520 ApplyTransformation.mml_of_cic_sequent metasenv sequent
523 (Some (Some unsh_sequent,
524 ids_to_terms, ids_to_hypotheses, ids_to_father_ids,
525 Hashtbl.create 1, None));
526 if BuildTimeConf.debug then begin
527 let name = "sequent_viewer.xml" in
528 HLog.debug ("load_sequent: dumping MathML to ./" ^ name);
529 ignore (domImpl#saveDocumentToFile ~name ~doc:mathml ())
531 self#load_root ~root:mathml#get_documentElement
533 method load_object obj =
534 let use_diff = false in (* ZACK TODO use XmlDiff when re-rendering? *)
536 (annobj, (ids_to_terms, ids_to_father_ids, _, ids_to_hypotheses, _, ids_to_inner_types)))
538 ApplyTransformation.mml_of_cic_object obj
541 (Some (None, ids_to_terms, ids_to_hypotheses, ids_to_father_ids, ids_to_inner_types, Some annobj));
542 (match current_mathml with
543 | Some current_mathml when use_diff ->
545 XmlDiff.update_dom ~from:current_mathml mathml;
548 if BuildTimeConf.debug then begin
549 let name = "cic_browser.xml" in
550 HLog.debug ("cic_browser: dumping MathML to ./" ^ name);
551 ignore (domImpl#saveDocumentToFile ~name ~doc:mathml ())
553 self#load_root ~root:mathml#get_documentElement;
554 current_mathml <- Some mathml);
557 let tab_label meta_markup =
560 | `Current m -> sprintf "<b>%s</b>" (aux m)
561 | `Closed m -> sprintf "<s>%s</s>" (aux m)
562 | `Shift (pos, m) -> sprintf "|<sub>%d</sub>: %s" pos (aux m)
563 | `Meta n -> sprintf "?%d" n
565 let markup = aux meta_markup in
566 (GMisc.label ~markup ~show:true ())#coerce
568 let goal_of_switch = function Stack.Open g | Stack.Closed g -> g
570 class sequentsViewer ~(notebook:GPack.notebook) ~(cicMathView:cicMathView) () =
572 inherit scriptAccessor
574 method cicMathView = cicMathView (** clickableMathView accessor *)
576 val mutable pages = 0
577 val mutable switch_page_callback = None
578 val mutable page2goal = [] (* associative list: page no -> goal no *)
579 val mutable goal2page = [] (* the other way round *)
580 val mutable goal2win = [] (* associative list: goal no -> scrolled win *)
581 val mutable _metasenv = []
582 val mutable scrolledWin: GBin.scrolled_window option = None
583 (* scrolled window to which the sequentViewer is currently attached *)
584 val logo = (GMisc.image
585 ~file:(MatitaMisc.image_path "matita_medium.png") ()
588 val logo_with_qed = (GMisc.image
589 ~file:(MatitaMisc.image_path "matita_small.png") ()
593 notebook#set_show_tabs false;
594 notebook#append_page logo
596 method load_logo_with_qed =
597 notebook#set_show_tabs false;
598 notebook#append_page logo_with_qed
601 cicMathView#remove_selections;
602 (match scrolledWin with
604 (* removing page from the notebook will destroy all contained widget,
605 * we do not want the cicMathView to be destroyed as well *)
606 w#remove cicMathView#coerce;
609 (match switch_page_callback with
611 GtkSignal.disconnect notebook#as_widget id;
612 switch_page_callback <- None
614 for i = 0 to pages do notebook#remove_page 0 done;
615 notebook#set_show_tabs true;
621 self#script#setGoal None
623 method load_sequents { proof = (_,metasenv,_,_) as proof; stack = stack } =
624 _metasenv <- metasenv;
626 let win goal_switch =
628 GBin.scrolled_window ~hpolicy:`AUTOMATIC ~vpolicy:`ALWAYS
629 ~shadow_type:`IN ~show:true ()
632 scrolledWin <- Some w;
633 match cicMathView#misc#parent with
634 | None -> w#add cicMathView#coerce
637 match cicMathView#misc#parent with
639 | Some p -> GContainer.cast_container p
641 parent#remove cicMathView#coerce;
642 w#add cicMathView#coerce
644 goal2win <- (goal_switch, reparent) :: goal2win;
648 let stack_goals = Stack.open_goals stack in
649 let proof_goals = ProofEngineTypes.goals_of_proof proof in
651 HExtlib.list_uniq (List.sort Pervasives.compare stack_goals)
652 <> List.sort Pervasives.compare proof_goals
654 prerr_endline ("STACK GOALS = " ^ String.concat " " (List.map string_of_int stack_goals));
655 prerr_endline ("PROOF GOALS = " ^ String.concat " " (List.map string_of_int proof_goals));
661 function Stack.Open i ->`Meta i | Stack.Closed i ->`Closed (`Meta i)
664 let added_goals = ref [] in
665 (* goals can be duplicated on the tack due to focus, but we should avoid
666 * multiple labels in the user interface *)
667 let add_tab markup goal_switch =
668 let goal = Stack.goal_of_switch goal_switch in
669 if not (List.mem goal !added_goals) then begin
670 notebook#append_page ~tab_label:(tab_label markup) (win goal_switch);
671 page2goal <- (!page, goal_switch) :: page2goal;
672 goal2page <- (goal_switch, !page) :: goal2page;
675 added_goals := goal :: !added_goals
678 let add_switch _ _ (_, sw) = add_tab (render_switch sw) sw in
679 Stack.iter (** populate notebook with tabs *)
680 ~env:(fun depth tag (pos, sw) ->
682 match depth, pos with
683 | 0, _ -> `Current (render_switch sw)
684 | 1, pos when Stack.head_tag stack = `BranchTag ->
685 `Shift (pos, render_switch sw)
686 | _ -> render_switch sw
689 ~cont:add_switch ~todo:add_switch
691 switch_page_callback <-
692 Some (notebook#connect#switch_page ~callback:(fun page ->
694 try List.assoc page page2goal with Not_found -> assert false
696 self#script#setGoal (Some (goal_of_switch goal_switch));
697 self#render_page ~page ~goal_switch))
699 method private render_page ~page ~goal_switch =
700 (match goal_switch with
701 | Stack.Open goal -> cicMathView#load_sequent _metasenv goal
702 | Stack.Closed goal ->
703 let doc = Lazy.force closed_goal_mathml in
704 cicMathView#load_root ~root:doc#get_documentElement);
706 cicMathView#set_selection None;
707 List.assoc goal_switch goal2win ()
708 with Not_found -> assert false)
710 method goto_sequent goal =
711 let goal_switch, page =
714 (function Stack.Open g, _ | Stack.Closed g, _ -> g = goal)
716 with Not_found -> assert false
718 notebook#goto_page page;
719 self#render_page page goal_switch
725 type 'widget constructor =
726 ?hadjustment:GData.adjustment ->
727 ?vadjustment:GData.adjustment ->
729 ?log_verbosity:int ->
732 ?packing:(GObj.widget -> unit) ->
737 let cicMathView ?hadjustment ?vadjustment ?font_size ?log_verbosity =
738 GtkBase.Widget.size_params
739 ~cont:(OgtkMathViewProps.pack_return (fun p ->
740 OgtkMathViewProps.set_params
741 (new cicMathView (GtkMathViewProps.MathView_GMetaDOM.create p))
742 ~font_size ~log_verbosity))
745 let blank_uri = BuildTimeConf.blank_uri
746 let current_proof_uri = BuildTimeConf.current_proof_uri
749 [ `Ast of CicNotationPt.term
750 | `Cic of Cic.term * Cic.metasenv
754 class cicBrowser_impl ~(history:MatitaTypes.mathViewer_entry MatitaMisc.history)
757 let whelp_RE = Pcre.regexp "^\\s*whelp" in
760 "^cic:/([^/]+/)*[^/]+\\.(con|ind|var)(#xpointer\\(\\d+(/\\d+)+\\))?$"
762 let dir_RE = Pcre.regexp "^cic:((/([^/]+/)*[^/]+(/)?)|/|)$" in
763 let whelp_query_RE = Pcre.regexp "^\\s*whelp\\s+([^\\s]+)\\s+(.*)$" in
764 let is_whelp txt = Pcre.pmatch ~rex:whelp_RE txt in
765 let is_uri txt = Pcre.pmatch ~rex:uri_RE txt in
766 let is_dir txt = Pcre.pmatch ~rex:dir_RE txt in
767 let gui = get_gui () in
768 let (win: MatitaGuiTypes.browserWin) = gui#newBrowserWin () in
769 let queries = ["Locate";"Hint";"Match";"Elim";"Instance"] in
770 let combo,_ = GEdit.combo_box_text ~strings:queries () in
771 let activate_combo_query input q =
772 let q' = String.lowercase q in
773 let rec aux i = function
774 | [] -> failwith ("Whelp query '" ^ q ^ "' not found")
775 | h::_ when String.lowercase h = q' -> i
776 | _::tl -> aux (i+1) tl
778 combo#set_active (aux 0 queries);
779 win#queryInputText#set_text input
781 let set_whelp_query txt =
784 let q = Pcre.extract ~rex:whelp_query_RE txt in
786 with Invalid_argument _ -> failwith "Malformed Whelp query"
788 activate_combo_query arg query
790 let toplevel = win#toplevel in
791 let mathView = cicMathView ~packing:win#scrolledBrowser#add () in
793 MatitaGtkMisc.report_error ~title:"Cic browser" ~message
797 [ "dir", GdkPixbuf.from_file (MatitaMisc.image_path "matita-folder.png");
798 "obj", GdkPixbuf.from_file (MatitaMisc.image_path "matita-object.png") ]
804 if not (Helm_registry.get_bool "matita.debug") then
805 fail (snd (MatitaExcPp.to_string exn))
808 let handle_error' f = (fun () -> handle_error (fun () -> f ())) in
809 let load_easter_egg = lazy (
810 win#easterEggImage#set_file (MatitaMisc.image_path "meegg.png"))
813 inherit scriptAccessor
815 (* Whelp bar queries *)
818 activate_combo_query "" "locate";
819 win#whelpBarComboVbox#add combo#coerce;
821 let query = String.lowercase (List.nth queries combo#active) in
822 let input = win#queryInputText#text in
823 let statement = "whelp " ^ query ^ " " ^ input ^ "." in
824 (MatitaScript.current ())#advance ~statement ()
826 ignore(win#queryInputText#connect#activate ~callback:start_query);
827 ignore(combo#connect#changed ~callback:start_query);
828 win#whelpBarImage#set_file (MatitaMisc.image_path "whelp.png");
829 win#mathOrListNotebook#set_show_tabs false;
830 win#browserForwardButton#misc#set_sensitive false;
831 win#browserBackButton#misc#set_sensitive false;
832 ignore (win#browserUri#entry#connect#activate (handle_error' (fun () ->
833 self#loadInput win#browserUri#entry#text)));
834 ignore (win#browserHomeButton#connect#clicked (handle_error' (fun () ->
835 self#load (`About `Current_proof))));
836 ignore (win#browserRefreshButton#connect#clicked
837 (handle_error' (self#refresh ~force:true)));
838 ignore (win#browserBackButton#connect#clicked (handle_error' self#back));
839 ignore (win#browserForwardButton#connect#clicked
840 (handle_error' self#forward));
841 ignore (win#toplevel#event#connect#delete (fun _ ->
842 let my_id = Oo.id self in
843 cicBrowsers := List.filter (fun b -> Oo.id b <> my_id) !cicBrowsers;
844 if !cicBrowsers = [] &&
845 Helm_registry.get "matita.mode" = "cicbrowser"
849 ignore(win#whelpResultTreeview#connect#row_activated
850 ~callback:(fun _ _ ->
851 handle_error (fun () -> self#loadInput (self#_getSelectedUri ()))));
852 mathView#set_href_callback (Some (fun uri ->
853 handle_error (fun () ->
854 self#load (`Uri (UriManager.uri_of_string uri)))));
855 self#_load (`About `Blank);
858 val mutable current_entry = `About `Blank
861 new MatitaGtkMisc.taggedStringListModel tags win#whelpResultTreeview
863 val mutable lastDir = "" (* last loaded "directory" *)
865 method mathView = (mathView :> MatitaGuiTypes.clickableMathView)
867 method private _getSelectedUri () =
868 match model#easy_selection () with
869 | [sel] when is_uri sel -> sel (* absolute URI selected *)
870 (* | [sel] -> win#browserUri#entry#text ^ sel |+ relative URI selected +| *)
871 | [sel] -> lastDir ^ sel
874 (** history RATIONALE
876 * All operations about history are done using _historyFoo.
877 * Only toplevel functions (ATM load and loadInput) call _historyAdd.
880 method private _historyAdd item =
882 win#browserBackButton#misc#set_sensitive true;
883 win#browserForwardButton#misc#set_sensitive false
885 method private _historyPrev () =
886 let item = history#previous in
887 if history#is_begin then win#browserBackButton#misc#set_sensitive false;
888 win#browserForwardButton#misc#set_sensitive true;
891 method private _historyNext () =
892 let item = history#next in
893 if history#is_end then win#browserForwardButton#misc#set_sensitive false;
894 win#browserBackButton#misc#set_sensitive true;
897 (** notebook RATIONALE
899 * Use only these functions to switch between the tabs
901 method private _showMath = win#mathOrListNotebook#goto_page 0
902 method private _showList = win#mathOrListNotebook#goto_page 1
904 method private back () =
906 self#_load (self#_historyPrev ())
907 with MatitaMisc.History_failure -> ()
909 method private forward () =
911 self#_load (self#_historyNext ())
912 with MatitaMisc.History_failure -> ()
914 (* loads a uri which can be a cic uri or an about:* uri
915 * @param uri string *)
916 method private _load ?(force=false) entry =
917 handle_error (fun () ->
918 if entry <> current_entry || entry = `About `Current_proof || force then
921 | `About `Current_proof -> self#home ()
922 | `About `Blank -> self#blank ()
923 | `About `Us -> self#egg ()
924 | `Check term -> self#_loadCheck term
925 | `Cic (term, metasenv) -> self#_loadTermCic term metasenv
926 | `Dir dir -> self#_loadDir dir
927 | `Uri uri -> self#_loadUriManagerUri uri
928 | `Whelp (query, results) ->
929 set_whelp_query query;
930 self#_loadList (List.map (fun r -> "obj",
931 UriManager.string_of_uri r) results));
935 method private blank () =
937 mathView#load_root (Lazy.force empty_mathml)#get_documentElement
939 method private _loadCheck term =
940 failwith "not implemented _loadCheck";
943 method private egg () =
944 win#mathOrListNotebook#goto_page 2;
945 Lazy.force load_easter_egg
947 method private home () =
949 match self#script#grafite_status.proof_status with
950 | Proof (uri, metasenv, bo, ty) ->
951 let name = UriManager.name_of_uri (HExtlib.unopt uri) in
952 let obj = Cic.CurrentProof (name, metasenv, bo, ty, [], []) in
954 | Incomplete_proof { proof = (uri, metasenv, bo, ty) } ->
955 let name = UriManager.name_of_uri (HExtlib.unopt uri) in
956 let obj = Cic.CurrentProof (name, metasenv, bo, ty, [], []) in
960 (** loads a cic uri from the environment
961 * @param uri UriManager.uri *)
962 method private _loadUriManagerUri uri =
963 let uri = UriManager.strip_xpointer uri in
964 let (obj, _) = CicEnvironment.get_obj CicUniv.empty_ugraph uri in
967 method private _loadDir dir =
968 let content = Http_getter.ls dir in
974 | Http_getter_types.Ls_section s -> "dir", s
975 | Http_getter_types.Ls_object o -> "obj", o.Http_getter_types.uri)
981 method private setEntry entry =
982 win#browserUri#entry#set_text (MatitaTypes.string_of_entry entry);
983 current_entry <- entry
985 method private _loadObj obj =
986 (* showMath must be done _before_ loading the document, since if the
987 * widget is not mapped (hidden by the notebook) the document is not
990 mathView#load_object obj
992 method private _loadTermCic term metasenv =
993 let context = self#script#proofContext in
994 let dummyno = CicMkImplicit.new_meta metasenv [] in
995 let sequent = (dummyno, context, term) in
996 mathView#load_sequent (sequent :: metasenv) dummyno;
999 method private _loadList l =
1000 model#list_store#clear ();
1001 List.iter (fun (tag, s) -> model#easy_append ~tag s) l;
1004 (** { public methods, all must call _load!! } *)
1007 handle_error (fun () -> self#_load entry; self#_historyAdd entry)
1009 (** this is what the browser does when you enter a string an hit enter *)
1010 method loadInput txt =
1011 let txt = HExtlib.trim_blanks txt in
1013 UriManager.string_of_uri
1014 (UriManager.strip_xpointer (UriManager.uri_of_string txt))
1016 if is_whelp txt then begin
1017 set_whelp_query txt;
1018 (MatitaScript.current ())#advance ~statement:(txt ^ ".") ()
1022 | txt when is_uri txt -> `Uri (UriManager.uri_of_string (fix_uri txt))
1023 | txt when is_dir txt -> `Dir (MatitaMisc.normalize_dir txt)
1026 MatitaTypes.entry_of_string txt
1027 with Invalid_argument _ ->
1029 (GrafiteTypes.Command_error(sprintf "unsupported uri: %s" txt)))
1032 self#_historyAdd entry
1035 (** {2 methods accessing underlying GtkMathView} *)
1037 method updateFontSize = mathView#set_font_size !current_font_size
1039 (** {2 methods used by constructor only} *)
1042 method history = history
1043 method currentEntry = current_entry
1044 method refresh ~force () = self#_load ~force current_entry
1048 let sequentsViewer ~(notebook:GPack.notebook) ~(cicMathView:cicMathView) ():
1049 MatitaGuiTypes.sequentsViewer
1051 new sequentsViewer ~notebook ~cicMathView ()
1054 let size = BuildTimeConf.browser_history_size in
1055 let rec aux history =
1056 let browser = new cicBrowser_impl ~history () in
1057 let win = browser#win in
1058 ignore (win#browserNewButton#connect#clicked (fun () ->
1060 new MatitaMisc.browser_history ~memento:history#save size
1063 let newBrowser = aux history in
1064 newBrowser#load browser#currentEntry));
1066 (* attempt (failed) to close windows on CTRL-W ... *)
1067 MatitaGtkMisc.connect_key win#browserWinEventBox#event ~modifiers:[`CONTROL]
1068 GdkKeysyms._W (fun () -> win#toplevel#destroy ());
1070 cicBrowsers := browser :: !cicBrowsers;
1071 (browser :> MatitaGuiTypes.cicBrowser)
1073 let history = new MatitaMisc.browser_history size (`About `Blank) in
1076 let default_cicMathView () = cicMathView ~show:true ()
1077 let cicMathView_instance = MatitaMisc.singleton default_cicMathView
1079 let default_sequentsViewer () =
1080 let gui = get_gui () in
1081 let cicMathView = cicMathView_instance () in
1082 sequentsViewer ~notebook:gui#main#sequentsNotebook ~cicMathView ()
1083 let sequentsViewer_instance = MatitaMisc.singleton default_sequentsViewer
1087 method private get_browser reuse =
1089 (match !cicBrowsers with
1090 | [] -> cicBrowser ()
1091 | b :: _ -> (b :> MatitaGuiTypes.cicBrowser))
1095 method show_entry ?(reuse=false) t = (self#get_browser reuse)#load t
1097 method show_uri_list ?(reuse=false) ~entry l =
1098 (self#get_browser reuse)#load entry
1101 let refresh_all_browsers () =
1102 List.iter (fun b -> b#refresh ~force:false ()) !cicBrowsers
1104 let update_font_sizes () =
1105 List.iter (fun b -> b#updateFontSize) !cicBrowsers;
1106 (cicMathView_instance ())#update_font_size
1108 let get_math_views () =
1109 ((cicMathView_instance ()) :> MatitaGuiTypes.clickableMathView)
1110 :: (List.map (fun b -> b#mathView) !cicBrowsers)
1112 let find_selection_owner () =
1115 | [] -> raise Not_found
1117 (match mv#get_selections with
1121 aux (get_math_views ())
1123 let has_selection () =
1124 try ignore (find_selection_owner ()); true
1125 with Not_found -> false
1127 let math_view_clipboard = ref None (* associative list target -> string *)
1128 let has_clipboard () = !math_view_clipboard <> None
1129 let empty_clipboard () = math_view_clipboard := None
1131 let copy_selection () =
1133 math_view_clipboard :=
1134 Some ((find_selection_owner ())#strings_of_selection)
1135 with Not_found -> failwith "no selection"
1137 let paste_clipboard paste_kind =
1138 match !math_view_clipboard with
1139 | None -> failwith "empty clipboard"
1141 (try List.assoc paste_kind cb with Not_found -> assert false)