X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2FmatitaMathView.ml;fp=matita%2FmatitaMathView.ml;h=7f1917cfe1cf5ce6c3642966aaebd54ad1846546;hp=0000000000000000000000000000000000000000;hb=f61af501fb4608cc4fb062a0864c774e677f0d76;hpb=58ae1809c352e71e7b5530dc41e2bfc834e1aef1 diff --git a/matita/matitaMathView.ml b/matita/matitaMathView.ml new file mode 100644 index 000000000..7f1917cfe --- /dev/null +++ b/matita/matitaMathView.ml @@ -0,0 +1,1302 @@ +(* Copyright (C) 2004-2005, HELM Team. + * + * This file is part of HELM, an Hypertextual, Electronic + * Library of Mathematics, developed at the Computer Science + * Department, University of Bologna, Italy. + * + * HELM is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * HELM is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with HELM; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, + * MA 02111-1307, USA. + * + * For details, see the HELM World-Wide-Web page, + * http://cs.unibo.it/helm/. + *) + +(* $Id$ *) + +open Printf + +open GrafiteTypes +open MatitaGtkMisc +open MatitaGuiTypes + +module Stack = Continuationals.Stack + +(** inherit from this class if you want to access current script *) +class scriptAccessor = +object (self) + method private script = MatitaScript.current () +end + +let cicBrowsers = ref [] +let gui_instance = ref None +let set_gui gui = gui_instance := Some gui +let get_gui () = + match !gui_instance with + | None -> assert false + | Some gui -> gui + +let default_font_size () = + Helm_registry.get_opt_default Helm_registry.int + ~default:BuildTimeConf.default_font_size "matita.font_size" +let current_font_size = ref ~-1 +let increase_font_size () = incr current_font_size +let decrease_font_size () = decr current_font_size +let reset_font_size () = current_font_size := default_font_size () + + (* is there any lablgtk2 constant corresponding to the various mouse + * buttons??? *) +let left_button = 1 +let middle_button = 2 +let right_button = 3 + +let near (x1, y1) (x2, y2) = + let distance = sqrt (((x2 -. x1) ** 2.) +. ((y2 -. y1) ** 2.)) in + (distance < 4.) + +let xlink_ns = Gdome.domString "http://www.w3.org/1999/xlink" +let helm_ns = Gdome.domString "http://www.cs.unibo.it/helm" +let href_ds = Gdome.domString "href" +let xref_ds = Gdome.domString "xref" + +let domImpl = Gdome.domImplementation () + + (** Gdome.element of a MathML document whose rendering should be blank. Used + * by cicBrowser to render "about:blank" document *) +let empty_mathml = lazy ( + domImpl#createDocument ~namespaceURI:(Some DomMisc.mathml_ns) + ~qualifiedName:(Gdome.domString "math") ~doctype:None) + +let empty_boxml = lazy ( + domImpl#createDocument ~namespaceURI:(Some DomMisc.boxml_ns) + ~qualifiedName:(Gdome.domString "box") ~doctype:None) + + (** shown for goals closed by side effects *) +let closed_goal_mathml = lazy ( + domImpl#createDocumentFromURI ~uri:BuildTimeConf.closed_xml ()) + +(* ids_to_terms should not be passed here, is just for debugging *) +let find_root_id annobj id ids_to_father_ids ids_to_terms ids_to_inner_types = + let find_parent id ids = + let rec aux id = +(* (prerr_endline (sprintf "id %s = %s" id + (try + CicPp.ppterm (Hashtbl.find ids_to_terms id) + with Not_found -> "NONE"))); *) + if List.mem id ids then Some id + else + (match + (try Hashtbl.find ids_to_father_ids id with Not_found -> None) + with + | None -> None + | Some id' -> aux id') + in + aux id + in + let return_father id ids = + match find_parent id ids with + | None -> assert false + | Some parent_id -> parent_id + in + let mk_ids terms = List.map CicUtil.id_of_annterm terms in + let inner_types = + Hashtbl.fold + (fun _ types acc -> + match types.Cic2acic.annexpected with + None -> types.Cic2acic.annsynthesized :: acc + | Some ty -> ty :: types.Cic2acic.annsynthesized :: acc + ) ids_to_inner_types [] in + match annobj with + | Cic.AConstant (_, _, _, Some bo, ty, _, _) + | Cic.AVariable (_, _, Some bo, ty, _, _) + | Cic.ACurrentProof (_, _, _, _, bo, ty, _, _) -> + return_father id (mk_ids (ty :: bo :: inner_types)) + | Cic.AConstant (_, _, _, None, ty, _, _) + | Cic.AVariable (_, _, None, ty, _, _) -> + return_father id (mk_ids (ty::inner_types)) + | Cic.AInductiveDefinition _ -> + assert false (* TODO *) + + (** @return string content of a dom node having a single text child node, e.g. + * bool *) +let string_of_dom_node node = + match node#get_firstChild with + | None -> "" + | Some node -> + (try + let text = new Gdome.text_of_node node in + text#get_data#to_string + with GdomeInit.DOMCastException _ -> "") + +let name_of_hypothesis = function + | Some (Cic.Name s, _) -> s + | _ -> assert false + +let id_of_node (node: Gdome.element) = + let xref_attr = + node#getAttributeNS ~namespaceURI:helm_ns ~localName:xref_ds in + try + List.hd (HExtlib.split ~sep:' ' xref_attr#to_string) + with Failure _ -> assert false + +type selected_term = + | SelTerm of Cic.term * string option (* term, parent hypothesis (if any) *) + | SelHyp of string * Cic.context (* hypothesis, context *) + +let hrefs_of_elt elt = + let localName = href_ds in + if elt#hasAttributeNS ~namespaceURI:xlink_ns ~localName then + let text = + (elt#getAttributeNS ~namespaceURI:xlink_ns ~localName)#to_string in + Some (HExtlib.split text) + else + None + +class clickableMathView obj = +let text_width = 80 in +object (self) + inherit GMathViewAux.multi_selection_math_view obj + + val mutable href_callback: (string -> unit) option = None + method set_href_callback f = href_callback <- f + + val mutable _cic_info = None + method private set_cic_info info = _cic_info <- info + method private cic_info = _cic_info + + val normal_cursor = Gdk.Cursor.create `LEFT_PTR + val href_cursor = Gdk.Cursor.create `HAND1 + + initializer + self#set_font_size !current_font_size; + ignore (self#connect#selection_changed self#choose_selection_cb); + ignore (self#event#connect#button_press self#button_press_cb); + ignore (self#event#connect#button_release self#button_release_cb); + ignore (self#event#connect#selection_clear self#selection_clear_cb); + ignore (self#connect#element_over self#element_over_cb); + ignore (self#coerce#misc#connect#selection_get self#selection_get_cb) + + val mutable button_press_x = -1. + val mutable button_press_y = -1. + val mutable selection_changed = false + val mutable href_statusbar_msg: + (GMisc.statusbar_context * Gtk.statusbar_message) option = None + (* *) + + method private selection_get_cb ctxt ~info ~time = + let text = + match ctxt#target with + | "PATTERN" -> self#text_of_selection `Pattern + | "TERM" | _ -> self#text_of_selection `Term + in + match text with + | None -> () + | Some s -> ctxt#return s + + method private text_of_selection fmt = + match self#get_selections with + | [] -> None + | node :: _ -> Some (self#string_of_node ~paste_kind:fmt node) + + method private selection_clear_cb sel_event = + self#remove_selections; + (GData.clipboard Gdk.Atom.clipboard)#clear (); + false + + method private button_press_cb gdk_button = + let button = GdkEvent.Button.button gdk_button in + if button = left_button then begin + button_press_x <- GdkEvent.Button.x gdk_button; + button_press_y <- GdkEvent.Button.y gdk_button; + selection_changed <- false + end else if button = right_button then + self#popup_contextual_menu (GdkEvent.Button.time gdk_button); + false + + method private element_over_cb (elt_opt, _, _, _) = + let win () = self#misc#window in + let leave_href () = + Gdk.Window.set_cursor (win ()) normal_cursor; + HExtlib.iter_option (fun (ctxt, msg) -> ctxt#remove msg) + href_statusbar_msg + in + match elt_opt with + | Some elt -> + (match hrefs_of_elt elt with + | Some ((_ :: _) as hrefs) -> + Gdk.Window.set_cursor (win ()) href_cursor; + let msg_text = (* now create statusbar msg and store it *) + match hrefs with + | [ href ] -> sprintf "Hyperlink to %s" href + | _ -> sprintf "Hyperlinks to: %s" (String.concat ", " hrefs) in + let ctxt = (get_gui ())#main#statusBar#new_context ~name:"href" in + let msg = ctxt#push msg_text in + href_statusbar_msg <- Some (ctxt, msg) + | _ -> leave_href ()) + | None -> leave_href () + + method private tactic_text_pattern_of_node node = + let id = id_of_node node in + let cic_info, unsh_sequent = self#get_cic_info id in + match self#get_term_by_id cic_info id with + | SelTerm (t, father_hyp) -> + let sequent = self#sequent_of_id ~paste_kind:`Pattern id in + let text = self#string_of_cic_sequent ~output_type:`Pattern sequent in + (match father_hyp with + | None -> None, [], Some text + | Some hyp_name -> None, [ hyp_name, text ], None) + | SelHyp (hyp_name, _ctxt) -> None, [ hyp_name, "%" ], None + + method private tactic_text_of_node node = + let id = id_of_node node in + let cic_info, unsh_sequent = self#get_cic_info id in + match self#get_term_by_id cic_info id with + | SelTerm (t, father_hyp) -> + let sequent = self#sequent_of_id ~paste_kind:`Term id in + let text = self#string_of_cic_sequent ~output_type:`Term sequent in + text + | SelHyp (hyp_name, _ctxt) -> hyp_name + + (** @return a pattern structure which contains pretty printed terms *) + method private tactic_text_pattern_of_selection = + match self#get_selections with + | [] -> assert false (* this method is invoked only if there's a sel. *) + | node :: _ -> self#tactic_text_pattern_of_node node + + method private popup_contextual_menu time = + let menu = GMenu.menu () in + let add_menu_item ?(menu = menu) ?stock ?label () = + GMenu.image_menu_item ?stock ?label ~packing:menu#append () in + let check = add_menu_item ~label:"Check" () in + let reductions_menu_item = GMenu.menu_item ~label:"βδιζ-reduce" () in + let tactics_menu_item = GMenu.menu_item ~label:"Apply tactic" () in + menu#append reductions_menu_item; + menu#append tactics_menu_item; + let reductions = GMenu.menu () in + let tactics = GMenu.menu () in + reductions_menu_item#set_submenu reductions; + tactics_menu_item#set_submenu tactics; + let normalize = add_menu_item ~menu:reductions ~label:"Normalize" () in + let simplify = add_menu_item ~menu:reductions ~label:"Simplify" () in + let whd = add_menu_item ~menu:reductions ~label:"Weak head" () in + menu#append (GMenu.separator_item ()); + let copy = add_menu_item ~stock:`COPY () in + let gui = get_gui () in + List.iter (fun item -> item#misc#set_sensitive gui#canCopy) + [ copy; check; normalize; simplify; whd ]; + let reduction_action kind () = + let pat = self#tactic_text_pattern_of_selection in + let statement = + let loc = HExtlib.dummy_floc in + "\n" ^ + GrafiteAstPp.pp_executable ~term_pp:(fun s -> s) + ~lazy_term_pp:(fun _ -> assert false) ~obj_pp:(fun _ -> assert false) + ~map_unicode_to_tex:(Helm_registry.get_bool + "matita.paste_unicode_as_tex") + (GrafiteAst.Tactic (loc, + Some (GrafiteAst.Reduce (loc, kind, pat)), + GrafiteAst.Semicolon loc)) in + (MatitaScript.current ())#advance ~statement () in + connect_menu_item copy gui#copy; + connect_menu_item normalize (reduction_action `Normalize); + connect_menu_item simplify (reduction_action `Simpl); + connect_menu_item whd (reduction_action `Whd); + menu#popup ~button:right_button ~time + + method private button_release_cb gdk_button = + if GdkEvent.Button.button gdk_button = left_button then begin + let button_release_x = GdkEvent.Button.x gdk_button in + let button_release_y = GdkEvent.Button.y gdk_button in + if selection_changed then + () + else (* selection _not_ changed *) + if near (button_press_x, button_press_y) + (button_release_x, button_release_y) + then + let x = int_of_float button_press_x in + let y = int_of_float button_press_y in + (match self#get_element_at x y with + | None -> () + | Some elt -> + (match hrefs_of_elt elt with + | Some hrefs -> self#invoke_href_callback hrefs gdk_button + | None -> ignore (self#action_toggle elt))) + end; + false + + method private invoke_href_callback hrefs gdk_button = + let button = GdkEvent.Button.button gdk_button in + if button = left_button then + let time = GdkEvent.Button.time gdk_button in + match href_callback with + | None -> () + | Some f -> + (match hrefs with + | [ uri ] -> f uri + | uris -> + let menu = GMenu.menu () in + List.iter + (fun uri -> + let menu_item = + GMenu.menu_item ~label:uri ~packing:menu#append () in + connect_menu_item menu_item + (fun () -> try f uri with Not_found -> assert false)) + uris; + menu#popup ~button ~time) + + method private choose_selection_cb gdome_elt = + let set_selection elt = + let misc = self#coerce#misc in + self#set_selection (Some elt); + misc#add_selection_target ~target:"STRING" Gdk.Atom.primary; + ignore (misc#grab_selection Gdk.Atom.primary); + in + let rec aux elt = + if (elt#getAttributeNS ~namespaceURI:helm_ns + ~localName:xref_ds)#to_string <> "" + then + set_selection elt + else + try + (match elt#get_parentNode with + | None -> assert false + | Some p -> aux (new Gdome.element_of_node p)) + with GdomeInit.DOMCastException _ -> () + in + (match gdome_elt with + | Some elt when (elt#getAttributeNS ~namespaceURI:xlink_ns + ~localName:href_ds)#to_string <> "" -> + set_selection elt + | Some elt -> aux elt + | None -> self#set_selection None); + selection_changed <- true + + method update_font_size = self#set_font_size !current_font_size + + (** find a term by id from stored CIC infos @return either `Hyp if the id + * correspond to an hypothesis or `Term (cic, hyp) if the id correspond to a + * term. In the latter case hyp is either None (if the term is a subterm of + * the sequent conclusion) or Some hyp_name if the term belongs to an + * hypothesis *) + method private get_term_by_id cic_info id = + let unsh_item, ids_to_terms, ids_to_hypotheses, ids_to_father_ids, _, _ = + cic_info in + let rec find_father_hyp id = + if Hashtbl.mem ids_to_hypotheses id + then Some (name_of_hypothesis (Hashtbl.find ids_to_hypotheses id)) + else + let father_id = + try Hashtbl.find ids_to_father_ids id + with Not_found -> assert false in + match father_id with + | Some id -> find_father_hyp id + | None -> None + in + try + let term = Hashtbl.find ids_to_terms id in + let father_hyp = find_father_hyp id in + SelTerm (term, father_hyp) + with Not_found -> + try + let hyp = Hashtbl.find ids_to_hypotheses id in + let _, context, _ = + match unsh_item with Some seq -> seq | None -> assert false in + let context' = MatitaMisc.list_tl_at hyp context in + SelHyp (name_of_hypothesis hyp, context') + with Not_found -> assert false + + method private find_obj_conclusion id = + match self#cic_info with + | None + | Some (_, _, _, _, _, None) -> assert false + | Some (_, ids_to_terms, _, ids_to_father_ids, ids_to_inner_types, Some annobj) -> + let id = + find_root_id annobj id ids_to_father_ids ids_to_terms ids_to_inner_types + in + (try Hashtbl.find ids_to_terms id with Not_found -> assert false) + + method private string_of_node ~(paste_kind:paste_kind) node = + if node#hasAttributeNS ~namespaceURI:helm_ns ~localName:xref_ds + then + match paste_kind with + | `Pattern -> + let tactic_text_pattern = self#tactic_text_pattern_of_node node in + GrafiteAstPp.pp_tactic_pattern + ~term_pp:(fun s -> s) ~lazy_term_pp:(fun _ -> assert false) + ~map_unicode_to_tex:(Helm_registry.get_bool + "matita.paste_unicode_as_tex") + tactic_text_pattern + | `Term -> self#tactic_text_of_node node + else string_of_dom_node node + + method private string_of_cic_sequent ~output_type cic_sequent = + let script = MatitaScript.current () in + let metasenv = + if script#onGoingProof () then script#proofMetasenv else [] in + let map_unicode_to_tex = + Helm_registry.get_bool "matita.paste_unicode_as_tex" in + ApplyTransformation.txt_of_cic_sequent_conclusion ~map_unicode_to_tex + ~output_type text_width metasenv cic_sequent + + method private pattern_of term father_hyp unsh_sequent = + let _, unsh_context, conclusion = unsh_sequent in + let where = + match father_hyp with + None -> conclusion + | Some name -> + let rec aux = + function + [] -> assert false + | Some (Cic.Name name', Cic.Decl ty)::_ when name' = name -> ty + | Some (Cic.Name name', Cic.Def (bo,_))::_ when name' = name-> bo + | _::tl -> aux tl + in + aux unsh_context + in + ProofEngineHelpers.pattern_of ~term:where [term] + + method private get_cic_info id = + match self#cic_info with + | Some ((Some unsh_sequent, _, _, _, _, _) as info) -> info, unsh_sequent + | Some ((None, _, _, _, _, _) as info) -> + let t = self#find_obj_conclusion id in + info, (~-1, [], t) (* dummy sequent for obj *) + | None -> assert false + + method private sequent_of_id ~(paste_kind:paste_kind) id = + let cic_info, unsh_sequent = self#get_cic_info id in + let cic_sequent = + match self#get_term_by_id cic_info id with + | SelTerm (t, father_hyp) -> +(* +IDIOTA: PRIMA SI FA LA LOCATE, POI LA PATTERN_OF. MEGLIO UN'UNICA pattern_of CHE PRENDA IN INPUT UN TERMINE E UN SEQUENTE. PER IL MOMENTO RISOLVO USANDO LA father_hyp PER RITROVARE L'IPOTESI PERDUTA +*) + let occurrences = + ProofEngineHelpers.locate_in_conjecture t unsh_sequent in + (match occurrences with + | [ context, _t ] -> + (match paste_kind with + | `Term -> ~-1, context, t + | `Pattern -> ~-1, [], self#pattern_of t father_hyp unsh_sequent) + | _ -> + HLog.error (sprintf "found %d occurrences while 1 was expected" + (List.length occurrences)); + assert false) (* since it uses physical equality *) + | SelHyp (_name, context) -> ~-1, context, Cic.Rel 1 in + cic_sequent + + method private string_of_selection ~(paste_kind:paste_kind) = + match self#get_selections with + | [] -> None + | node :: _ -> Some (self#string_of_node ~paste_kind node) + + method has_selection = self#get_selections <> [] + + (** @return an associative list format -> string with all possible selection + * formats. Rationale: in order to convert the selection to TERM or PATTERN + * format we need the sequent, the metasenv, ... keeping all of them in a + * closure would be more expensive than keeping their already converted + * forms *) + method strings_of_selection = + try + let misc = self#coerce#misc in + List.iter + (fun target -> misc#add_selection_target ~target Gdk.Atom.clipboard) + [ "TERM"; "PATTERN"; "STRING" ]; + ignore (misc#grab_selection Gdk.Atom.clipboard); + List.map + (fun paste_kind -> + paste_kind, HExtlib.unopt (self#string_of_selection ~paste_kind)) + [ `Term; `Pattern ] + with Failure _ -> failwith "no selection" + +end + +let clickableMathView ?hadjustment ?vadjustment ?font_size ?log_verbosity = + GtkBase.Widget.size_params + ~cont:(OgtkMathViewProps.pack_return (fun p -> + OgtkMathViewProps.set_params + (new clickableMathView (GtkMathViewProps.MathView_GMetaDOM.create p)) + ~font_size:None ~log_verbosity:None)) + [] + +class cicMathView obj = +object (self) + inherit clickableMathView obj + + val mutable current_mathml = None + + method load_sequent metasenv metano = + let sequent = CicUtil.lookup_meta metano metasenv in + let (mathml, unsh_sequent, + (_, (ids_to_terms, ids_to_father_ids, ids_to_hypotheses,_ ))) + = + ApplyTransformation.mml_of_cic_sequent metasenv sequent + in + self#set_cic_info + (Some (Some unsh_sequent, + ids_to_terms, ids_to_hypotheses, ids_to_father_ids, + Hashtbl.create 1, None)); + if BuildTimeConf.debug then begin + let name = + "/tmp/sequent_viewer_" ^ string_of_int (Unix.getuid ()) ^ ".xml" in + HLog.debug ("load_sequent: dumping MathML to ./" ^ name); + ignore (domImpl#saveDocumentToFile ~name ~doc:mathml ()) + end; + self#load_root ~root:mathml#get_documentElement + + method load_object obj = + let use_diff = false in (* ZACK TODO use XmlDiff when re-rendering? *) + let (mathml, + (annobj, (ids_to_terms, ids_to_father_ids, _, ids_to_hypotheses, _, ids_to_inner_types))) + = + ApplyTransformation.mml_of_cic_object obj + in + self#set_cic_info + (Some (None, ids_to_terms, ids_to_hypotheses, ids_to_father_ids, ids_to_inner_types, Some annobj)); + (match current_mathml with + | Some current_mathml when use_diff -> + self#freeze; + XmlDiff.update_dom ~from:current_mathml mathml; + self#thaw + | _ -> + if BuildTimeConf.debug then begin + let name = + "/tmp/cic_browser_" ^ string_of_int (Unix.getuid ()) ^ ".xml" in + HLog.debug ("cic_browser: dumping MathML to ./" ^ name); + ignore (domImpl#saveDocumentToFile ~name ~doc:mathml ()) + end; + self#load_root ~root:mathml#get_documentElement; + current_mathml <- Some mathml); +end + +let tab_label meta_markup = + let rec aux = + function + | `Closed m -> sprintf "%s" (aux m) + | `Current m -> sprintf "%s" (aux m) + | `Shift (pos, m) -> sprintf "|%d: %s" pos (aux m) + | `Meta n -> sprintf "?%d" n + in + let markup = aux meta_markup in + (GMisc.label ~markup ~show:true ())#coerce + +let goal_of_switch = function Stack.Open g | Stack.Closed g -> g + +class sequentsViewer ~(notebook:GPack.notebook) ~(cicMathView:cicMathView) () = + object (self) + inherit scriptAccessor + + method cicMathView = cicMathView (** clickableMathView accessor *) + + val mutable pages = 0 + val mutable switch_page_callback = None + val mutable page2goal = [] (* associative list: page no -> goal no *) + val mutable goal2page = [] (* the other way round *) + val mutable goal2win = [] (* associative list: goal no -> scrolled win *) + val mutable _metasenv = [] + val mutable scrolledWin: GBin.scrolled_window option = None + (* scrolled window to which the sequentViewer is currently attached *) + val logo = (GMisc.image + ~file:(MatitaMisc.image_path "matita_medium.png") () + :> GObj.widget) + + val logo_with_qed = (GMisc.image + ~file:(MatitaMisc.image_path "matita_small.png") () + :> GObj.widget) + + method load_logo = + notebook#set_show_tabs false; + ignore(notebook#append_page logo) + + method load_logo_with_qed = + notebook#set_show_tabs false; + ignore(notebook#append_page logo_with_qed) + + method reset = + cicMathView#remove_selections; + (match scrolledWin with + | Some w -> + (* removing page from the notebook will destroy all contained widget, + * we do not want the cicMathView to be destroyed as well *) + w#remove cicMathView#coerce; + scrolledWin <- None + | None -> ()); + (match switch_page_callback with + | Some id -> + GtkSignal.disconnect notebook#as_widget id; + switch_page_callback <- None + | None -> ()); + for i = 0 to pages do notebook#remove_page 0 done; + notebook#set_show_tabs true; + pages <- 0; + page2goal <- []; + goal2page <- []; + goal2win <- []; + _metasenv <- []; + self#script#setGoal None + + method load_sequents + { proof = (_,metasenv,_subst,_,_, _) as proof; stack = stack } + = + _metasenv <- metasenv; + pages <- 0; + let win goal_switch = + let w = + GBin.scrolled_window ~hpolicy:`AUTOMATIC ~vpolicy:`ALWAYS + ~shadow_type:`IN ~show:true () + in + let reparent () = + scrolledWin <- Some w; + match cicMathView#misc#parent with + | None -> w#add cicMathView#coerce + | Some parent -> + let parent = + match cicMathView#misc#parent with + None -> assert false + | Some p -> GContainer.cast_container p + in + parent#remove cicMathView#coerce; + w#add cicMathView#coerce + in + goal2win <- (goal_switch, reparent) :: goal2win; + w#coerce + in + assert ( + let stack_goals = Stack.open_goals stack in + let proof_goals = ProofEngineTypes.goals_of_proof proof in + if + HExtlib.list_uniq (List.sort Pervasives.compare stack_goals) + <> List.sort Pervasives.compare proof_goals + then begin + prerr_endline ("STACK GOALS = " ^ String.concat " " (List.map string_of_int stack_goals)); + prerr_endline ("PROOF GOALS = " ^ String.concat " " (List.map string_of_int proof_goals)); + false + end + else true + ); + let render_switch = + function Stack.Open i ->`Meta i | Stack.Closed i ->`Closed (`Meta i) + in + let page = ref 0 in + let added_goals = ref [] in + (* goals can be duplicated on the tack due to focus, but we should avoid + * multiple labels in the user interface *) + let add_tab markup goal_switch = + let goal = Stack.goal_of_switch goal_switch in + if not (List.mem goal !added_goals) then begin + ignore(notebook#append_page + ~tab_label:(tab_label markup) (win goal_switch)); + page2goal <- (!page, goal_switch) :: page2goal; + goal2page <- (goal_switch, !page) :: goal2page; + incr page; + pages <- pages + 1; + added_goals := goal :: !added_goals + end + in + let add_switch _ _ (_, sw) = add_tab (render_switch sw) sw in + Stack.iter (** populate notebook with tabs *) + ~env:(fun depth tag (pos, sw) -> + let markup = + match depth, pos with + | 0, 0 -> `Current (render_switch sw) + | 0, _ -> `Shift (pos, `Current (render_switch sw)) + | 1, pos when Stack.head_tag stack = `BranchTag -> + `Shift (pos, render_switch sw) + | _ -> render_switch sw + in + add_tab markup sw) + ~cont:add_switch ~todo:add_switch + stack; + switch_page_callback <- + Some (notebook#connect#switch_page ~callback:(fun page -> + let goal_switch = + try List.assoc page page2goal with Not_found -> assert false + in + self#script#setGoal (Some (goal_of_switch goal_switch)); + self#render_page ~page ~goal_switch)) + + method private render_page ~page ~goal_switch = + (match goal_switch with + | Stack.Open goal -> cicMathView#load_sequent _metasenv goal + | Stack.Closed goal -> + let doc = Lazy.force closed_goal_mathml in + cicMathView#load_root ~root:doc#get_documentElement); + (try + cicMathView#set_selection None; + List.assoc goal_switch goal2win () + with Not_found -> assert false) + + method goto_sequent goal = + let goal_switch, page = + try + List.find + (function Stack.Open g, _ | Stack.Closed g, _ -> g = goal) + goal2page + with Not_found -> assert false + in + notebook#goto_page page; + self#render_page page goal_switch + + end + + (** constructors *) + +type 'widget constructor = + ?hadjustment:GData.adjustment -> + ?vadjustment:GData.adjustment -> + ?font_size:int -> + ?log_verbosity:int -> + ?width:int -> + ?height:int -> + ?packing:(GObj.widget -> unit) -> + ?show:bool -> + unit -> + 'widget + +let cicMathView ?hadjustment ?vadjustment ?font_size ?log_verbosity = + GtkBase.Widget.size_params + ~cont:(OgtkMathViewProps.pack_return (fun p -> + OgtkMathViewProps.set_params + (new cicMathView (GtkMathViewProps.MathView_GMetaDOM.create p)) + ~font_size ~log_verbosity)) + [] + +let blank_uri = BuildTimeConf.blank_uri +let current_proof_uri = BuildTimeConf.current_proof_uri + +type term_source = + [ `Ast of CicNotationPt.term + | `Cic of Cic.term * Cic.metasenv + | `String of string + ] + +class cicBrowser_impl ~(history:MatitaTypes.mathViewer_entry MatitaMisc.history) + () += + let whelp_RE = Pcre.regexp "^\\s*whelp" in + let uri_RE = + Pcre.regexp + "^cic:/([^/]+/)*[^/]+\\.(con|ind|var)(#xpointer\\(\\d+(/\\d+)+\\))?$" + in + let dir_RE = Pcre.regexp "^cic:((/([^/]+/)*[^/]+(/)?)|/|)$" in + let metadata_RE = Pcre.regexp "^metadata:/(deps)/(forward|backward)/(.*)$" in + let whelp_query_RE = Pcre.regexp + "^\\s*whelp\\s+([^\\s]+)\\s+(\"|\\()(.*)(\\)|\")$" + in + let is_metadata txt = Pcre.pmatch ~rex:metadata_RE txt in + let is_whelp txt = Pcre.pmatch ~rex:whelp_RE txt in + let is_uri txt = Pcre.pmatch ~rex:uri_RE txt in + let is_dir txt = Pcre.pmatch ~rex:dir_RE txt in + let gui = get_gui () in + let (win: MatitaGuiTypes.browserWin) = gui#newBrowserWin () in + let gviz = LablGraphviz.graphviz ~packing:win#graphScrolledWin#add () in + let queries = ["Locate";"Hint";"Match";"Elim";"Instance"] in + let combo,_ = GEdit.combo_box_text ~strings:queries () in + let activate_combo_query input q = + let q' = String.lowercase q in + let rec aux i = function + | [] -> failwith ("Whelp query '" ^ q ^ "' not found") + | h::_ when String.lowercase h = q' -> i + | _::tl -> aux (i+1) tl + in + win#queryInputText#set_text input; + combo#set_active (aux 0 queries); + in + let set_whelp_query txt = + let query, arg = + try + let q = Pcre.extract ~rex:whelp_query_RE txt in + q.(1), q.(3) + with Not_found -> failwith "Malformed Whelp query" + in + activate_combo_query arg query; + in + let toplevel = win#toplevel in + let mathView = cicMathView ~packing:win#scrolledBrowser#add () in + let fail message = + MatitaGtkMisc.report_error ~title:"Cic browser" ~message + ~parent:toplevel () + in + let tags = + [ "dir", GdkPixbuf.from_file (MatitaMisc.image_path "matita-folder.png"); + "obj", GdkPixbuf.from_file (MatitaMisc.image_path "matita-object.png") ] + in + let b = (not (Helm_registry.get_bool "matita.debug")) in + let handle_error f = + try + f () + with exn -> + if b then + fail (snd (MatitaExcPp.to_string exn)) + else raise exn + in + let handle_error' f = (fun () -> handle_error (fun () -> f ())) in + let load_easter_egg = lazy ( + win#browserImage#set_file (MatitaMisc.image_path "meegg.png")) + in + let load_coerchgraph tred () = + let str = CoercGraph.generate_dot_file () in + let filename, oc = Filename.open_temp_file "matita" ".dot" in + output_string oc str; + close_out oc; + if tred then + gviz#load_graph_from_file ~gviz_cmd:"tred|dot" filename + else + gviz#load_graph_from_file filename; + HExtlib.safe_remove filename + in + object (self) + inherit scriptAccessor + + (* Whelp bar queries *) + + val mutable gviz_graph = MetadataDeps.DepGraph.dummy + val mutable gviz_uri = UriManager.uri_of_string "cic:/dummy.con"; + + val dep_contextual_menu = GMenu.menu () + + initializer + activate_combo_query "" "locate"; + win#whelpBarComboVbox#add combo#coerce; + let start_query () = + let query = + try + String.lowercase (List.nth queries combo#active) + with Not_found -> assert false in + let input = win#queryInputText#text in + let statement = + if query = "locate" then + "whelp " ^ query ^ " \"" ^ input ^ "\"." + else + "whelp " ^ query ^ " (" ^ input ^ ")." + in + (MatitaScript.current ())#advance ~statement () + in + ignore(win#queryInputText#connect#activate ~callback:start_query); + ignore(combo#connect#changed ~callback:start_query); + win#whelpBarImage#set_file (MatitaMisc.image_path "whelp.png"); + win#mathOrListNotebook#set_show_tabs false; + win#browserForwardButton#misc#set_sensitive false; + win#browserBackButton#misc#set_sensitive false; + ignore (win#browserUri#entry#connect#activate (handle_error' (fun () -> + self#loadInput win#browserUri#entry#text))); + ignore (win#browserHomeButton#connect#clicked (handle_error' (fun () -> + self#load (`About `Current_proof)))); + ignore (win#browserRefreshButton#connect#clicked + (handle_error' (self#refresh ~force:true))); + ignore (win#browserBackButton#connect#clicked (handle_error' self#back)); + ignore (win#browserForwardButton#connect#clicked + (handle_error' self#forward)); + ignore (win#toplevel#event#connect#delete (fun _ -> + let my_id = Oo.id self in + cicBrowsers := List.filter (fun b -> Oo.id b <> my_id) !cicBrowsers; + false)); + ignore(win#whelpResultTreeview#connect#row_activated + ~callback:(fun _ _ -> + handle_error (fun () -> self#loadInput (self#_getSelectedUri ())))); + mathView#set_href_callback (Some (fun uri -> + handle_error (fun () -> + self#load (`Uri (UriManager.uri_of_string uri))))); + gviz#connect_href (fun button_ev attrs -> + let time = GdkEvent.Button.time button_ev in + let uri = List.assoc "href" attrs in + gviz_uri <- UriManager.uri_of_string uri; + match GdkEvent.Button.button button_ev with + | button when button = left_button -> self#load (`Uri gviz_uri) + | button when button = right_button -> + dep_contextual_menu#popup ~button ~time + | _ -> ()); + connect_menu_item win#depGraphMenuItem (fun () -> + match self#currentCicUri with + | Some uri -> self#load (`Metadata (`Deps (`Fwd, uri))) + | None -> ()); + connect_menu_item win#invDepGraphMenuItem (fun () -> + match self#currentCicUri with + | Some uri -> self#load (`Metadata (`Deps (`Back, uri))) + | None -> ()); + (* remove hbugs *) + (* + connect_menu_item win#hBugsTutorsMenuItem (fun () -> + self#load (`HBugs `Tutors)); + *) + win#hBugsTutorsMenuItem#misc#hide (); + connect_menu_item win#browserUrlMenuItem (fun () -> + win#browserUri#entry#misc#grab_focus ()); + + (* fill dep graph contextual menu *) + let go_menu_item = + GMenu.image_menu_item ~label:"Browse it" + ~packing:dep_contextual_menu#append () in + let expand_menu_item = + GMenu.image_menu_item ~label:"Expand" + ~packing:dep_contextual_menu#append () in + let collapse_menu_item = + GMenu.image_menu_item ~label:"Collapse" + ~packing:dep_contextual_menu#append () in + dep_contextual_menu#append (go_menu_item :> GMenu.menu_item); + dep_contextual_menu#append (expand_menu_item :> GMenu.menu_item); + dep_contextual_menu#append (collapse_menu_item :> GMenu.menu_item); + connect_menu_item go_menu_item (fun () -> self#load (`Uri gviz_uri)); + connect_menu_item expand_menu_item (fun () -> + MetadataDeps.DepGraph.expand gviz_uri gviz_graph; + self#redraw_gviz ~center_on:gviz_uri ()); + connect_menu_item collapse_menu_item (fun () -> + MetadataDeps.DepGraph.collapse gviz_uri gviz_graph; + self#redraw_gviz ~center_on:gviz_uri ()); + + self#_load (`About `Blank); + toplevel#show () + + val mutable current_entry = `About `Blank + + (** @return None if no object uri can be built from the current entry *) + method private currentCicUri = + match current_entry with + | `Uri uri + | `Metadata (`Deps (_, uri)) -> Some uri + | _ -> None + + val model = + new MatitaGtkMisc.taggedStringListModel tags win#whelpResultTreeview + + val mutable lastDir = "" (* last loaded "directory" *) + + method mathView = (mathView :> MatitaGuiTypes.clickableMathView) + + method private _getSelectedUri () = + match model#easy_selection () with + | [sel] when is_uri sel -> sel (* absolute URI selected *) +(* | [sel] -> win#browserUri#entry#text ^ sel |+ relative URI selected +| *) + | [sel] -> lastDir ^ sel + | _ -> assert false + + (** history RATIONALE + * + * All operations about history are done using _historyFoo. + * Only toplevel functions (ATM load and loadInput) call _historyAdd. + *) + + method private _historyAdd item = + history#add item; + win#browserBackButton#misc#set_sensitive true; + win#browserForwardButton#misc#set_sensitive false + + method private _historyPrev () = + let item = history#previous in + if history#is_begin then win#browserBackButton#misc#set_sensitive false; + win#browserForwardButton#misc#set_sensitive true; + item + + method private _historyNext () = + let item = history#next in + if history#is_end then win#browserForwardButton#misc#set_sensitive false; + win#browserBackButton#misc#set_sensitive true; + item + + (** notebook RATIONALE + * + * Use only these functions to switch between the tabs + *) + method private _showMath = win#mathOrListNotebook#goto_page 0 + method private _showList = win#mathOrListNotebook#goto_page 1 + method private _showGviz = win#mathOrListNotebook#goto_page 3 + method private _showHBugs = win#mathOrListNotebook#goto_page 4 + + method private back () = + try + self#_load (self#_historyPrev ()) + with MatitaMisc.History_failure -> () + + method private forward () = + try + self#_load (self#_historyNext ()) + with MatitaMisc.History_failure -> () + + (* loads a uri which can be a cic uri or an about:* uri + * @param uri string *) + method private _load ?(force=false) entry = + handle_error (fun () -> + if entry <> current_entry || entry = `About `Current_proof || entry = + `About `Coercions || entry = `About `CoercionsFull || force then + begin + (match entry with + | `About `Current_proof -> self#home () + | `About `Blank -> self#blank () + | `About `Us -> self#egg () + | `About `CoercionsFull -> self#coerchgraph false () + | `About `Coercions -> self#coerchgraph true () + | `Check term -> self#_loadCheck term + | `Cic (term, metasenv) -> self#_loadTermCic term metasenv + | `Dir dir -> self#_loadDir dir + | `HBugs `Tutors -> self#_loadHBugsTutors + | `Metadata (`Deps ((`Fwd | `Back) as dir, uri)) -> + self#dependencies dir uri () + | `Uri uri -> self#_loadUriManagerUri uri + | `Whelp (query, results) -> + set_whelp_query query; + self#_loadList (List.map (fun r -> "obj", + UriManager.string_of_uri r) results)); + self#setEntry entry + end) + + method private blank () = + self#_showMath; + mathView#load_root (Lazy.force empty_mathml)#get_documentElement + + method private _loadCheck term = + failwith "not implemented _loadCheck"; +(* self#_showMath *) + + method private egg () = + win#mathOrListNotebook#goto_page 2; + Lazy.force load_easter_egg + + method private redraw_gviz ?center_on () = + let tmpfile, oc = Filename.open_temp_file "matita" ".dot" in + let fmt = Format.formatter_of_out_channel oc in + MetadataDeps.DepGraph.render fmt gviz_graph; + close_out oc; + gviz#load_graph_from_file ~gviz_cmd:"tred | dot" tmpfile; + (match center_on with + | None -> () + | Some uri -> gviz#center_on_href (UriManager.string_of_uri uri)); + HExtlib.safe_remove tmpfile + + method private dependencies direction uri () = + let dbd = LibraryDb.instance () in + let graph = + match direction with + | `Fwd -> MetadataDeps.DepGraph.direct_deps ~dbd uri + | `Back -> MetadataDeps.DepGraph.inverse_deps ~dbd uri in + gviz_graph <- graph; (** XXX check this for memory consuption *) + self#redraw_gviz ~center_on:uri (); + self#_showGviz + + method private coerchgraph tred () = + load_coerchgraph tred (); + self#_showGviz + + method private home () = + self#_showMath; + match self#script#grafite_status.proof_status with + | Proof (uri, metasenv, _subst, bo, ty, attrs) -> + let name = UriManager.name_of_uri (HExtlib.unopt uri) in + let obj = Cic.CurrentProof (name, metasenv, bo, ty, [], attrs) in + self#_loadObj obj + | Incomplete_proof { proof = (uri, metasenv, _subst, bo, ty, attrs) } -> + let name = UriManager.name_of_uri (HExtlib.unopt uri) in + let obj = Cic.CurrentProof (name, metasenv, bo, ty, [], attrs) in + self#_loadObj obj + | _ -> self#blank () + + (** loads a cic uri from the environment + * @param uri UriManager.uri *) + method private _loadUriManagerUri uri = + let uri = UriManager.strip_xpointer uri in + let (obj, _) = CicEnvironment.get_obj CicUniv.empty_ugraph uri in + self#_loadObj obj + + method private _loadDir dir = + let content = Http_getter.ls ~local:false dir in + let l = + List.fast_sort + Pervasives.compare + (List.map + (function + | Http_getter_types.Ls_section s -> "dir", s + | Http_getter_types.Ls_object o -> "obj", o.Http_getter_types.uri) + content) + in + lastDir <- dir; + self#_loadList l + + method private _loadHBugsTutors = + self#_showHBugs + + method private setEntry entry = + win#browserUri#entry#set_text (MatitaTypes.string_of_entry entry); + current_entry <- entry + + method private _loadObj obj = + (* showMath must be done _before_ loading the document, since if the + * widget is not mapped (hidden by the notebook) the document is not + * rendered *) + self#_showMath; + mathView#load_object obj + + method private _loadTermCic term metasenv = + let context = self#script#proofContext in + let dummyno = CicMkImplicit.new_meta metasenv [] in + let sequent = (dummyno, context, term) in + mathView#load_sequent (sequent :: metasenv) dummyno; + self#_showMath + + method private _loadList l = + model#list_store#clear (); + List.iter (fun (tag, s) -> model#easy_append ~tag s) l; + self#_showList + + (** { public methods, all must call _load!! } *) + + method load entry = + handle_error (fun () -> self#_load entry; self#_historyAdd entry) + + (** this is what the browser does when you enter a string an hit enter *) + method loadInput txt = + let parse_metadata s = + let subs = Pcre.extract ~rex:metadata_RE s in + let uri = UriManager.uri_of_string ("cic:/" ^ subs.(3)) in + match subs.(1), subs.(2) with + | "deps", "forward" -> `Deps (`Fwd, uri) + | "deps", "backward" -> `Deps (`Back, uri) + | _ -> assert false + in + let txt = HExtlib.trim_blanks txt in + (* (* ZACK: what the heck? *) + let fix_uri txt = + UriManager.string_of_uri + (UriManager.strip_xpointer (UriManager.uri_of_string txt)) + in + *) + if is_whelp txt then begin + set_whelp_query txt; + (MatitaScript.current ())#advance ~statement:(txt ^ ".") () + end else begin + let entry = + match txt with + | txt when is_uri txt -> + `Uri (UriManager.uri_of_string ((*fix_uri*) txt)) + | txt when is_dir txt -> `Dir (MatitaMisc.normalize_dir txt) + | txt when is_metadata txt -> `Metadata (parse_metadata txt) + | "hbugs:/tutors/" -> `HBugs `Tutors + | txt -> + (try + MatitaTypes.entry_of_string txt + with Invalid_argument _ -> + raise + (GrafiteTypes.Command_error(sprintf "unsupported uri: %s" txt))) + in + self#_load entry; + self#_historyAdd entry + end + + (** {2 methods accessing underlying GtkMathView} *) + + method updateFontSize = mathView#set_font_size !current_font_size + + (** {2 methods used by constructor only} *) + + method win = win + method history = history + method currentEntry = current_entry + method refresh ~force () = self#_load ~force current_entry + + end + +let sequentsViewer ~(notebook:GPack.notebook) ~(cicMathView:cicMathView) (): + MatitaGuiTypes.sequentsViewer += + new sequentsViewer ~notebook ~cicMathView () + +let cicBrowser () = + let size = BuildTimeConf.browser_history_size in + let rec aux history = + let browser = new cicBrowser_impl ~history () in + let win = browser#win in + ignore (win#browserNewButton#connect#clicked (fun () -> + let history = + new MatitaMisc.browser_history ~memento:history#save size + (`About `Blank) + in + let newBrowser = aux history in + newBrowser#load browser#currentEntry)); +(* + (* attempt (failed) to close windows on CTRL-W ... *) + MatitaGtkMisc.connect_key win#browserWinEventBox#event ~modifiers:[`CONTROL] + GdkKeysyms._W (fun () -> win#toplevel#destroy ()); +*) + cicBrowsers := browser :: !cicBrowsers; + (browser :> MatitaGuiTypes.cicBrowser) + in + let history = new MatitaMisc.browser_history size (`About `Blank) in + aux history + +let default_cicMathView () = cicMathView ~show:true () +let cicMathView_instance = MatitaMisc.singleton default_cicMathView + +let default_sequentsViewer () = + let gui = get_gui () in + let cicMathView = cicMathView_instance () in + sequentsViewer ~notebook:gui#main#sequentsNotebook ~cicMathView () +let sequentsViewer_instance = MatitaMisc.singleton default_sequentsViewer + +let mathViewer () = + object(self) + method private get_browser reuse = + if reuse then + (match !cicBrowsers with + | [] -> cicBrowser () + | b :: _ -> (b :> MatitaGuiTypes.cicBrowser)) + else + (cicBrowser ()) + + method show_entry ?(reuse=false) t = (self#get_browser reuse)#load t + + method show_uri_list ?(reuse=false) ~entry l = + (self#get_browser reuse)#load entry + end + +let refresh_all_browsers () = + List.iter (fun b -> b#refresh ~force:false ()) !cicBrowsers + +let update_font_sizes () = + List.iter (fun b -> b#updateFontSize) !cicBrowsers; + (cicMathView_instance ())#update_font_size + +let get_math_views () = + ((cicMathView_instance ()) :> MatitaGuiTypes.clickableMathView) + :: (List.map (fun b -> b#mathView) !cicBrowsers) + +let find_selection_owner () = + let rec aux = + function + | [] -> raise Not_found + | mv :: tl -> + (match mv#get_selections with + | [] -> aux tl + | sel :: _ -> mv) + in + aux (get_math_views ()) + +let has_selection () = + try ignore (find_selection_owner ()); true + with Not_found -> false + +let math_view_clipboard = ref None (* associative list target -> string *) +let has_clipboard () = !math_view_clipboard <> None +let empty_clipboard () = math_view_clipboard := None + +let copy_selection () = + try + math_view_clipboard := + Some ((find_selection_owner ())#strings_of_selection) + with Not_found -> failwith "no selection" + +let paste_clipboard paste_kind = + match !math_view_clipboard with + | None -> failwith "empty clipboard" + | Some cb -> + (try List.assoc paste_kind cb with Not_found -> assert false) +