X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fmatita%2FmatitaMathView.ml;h=710efdf021a118aada8820ede5c009b242a11495;hb=4167cea65ca58897d1a3dbb81ff95de5074700cc;hp=b83c9b37fa9abe3c21fc28bdae1b266581e021b7;hpb=190e42f1030ea3d459c4040bb0e8503a7c096820;p=helm.git diff --git a/helm/matita/matitaMathView.ml b/helm/matita/matitaMathView.ml index b83c9b37f..710efdf02 100644 --- a/helm/matita/matitaMathView.ml +++ b/helm/matita/matitaMathView.ml @@ -1,4 +1,4 @@ -(* Copyright (C) 2000-2002, HELM Team. +(* Copyright (C) 2004-2005, HELM Team. * * This file is part of HELM, an Hypertextual, Electronic * Library of Mathematics, developed at the Computer Science @@ -25,244 +25,973 @@ open Printf -open MatitaCicMisc open MatitaTypes +open MatitaGtkMisc -(* List utility functions *) -exception Skip +module Stack = Continuationals.Stack -let list_map_fail f = - let rec aux = - function - [] -> [] - | he::tl -> - try - let he' = f he in - he'::(aux tl) - with Skip -> - (aux tl) - in - aux +(** inherit from this class if you want to access current script *) +class scriptAccessor = +object (self) + method private script = MatitaScript.current () +end -class proof_viewer obj = - object(self) +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 - inherit GMathViewAux.single_selection_math_view obj +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 () - val mutable current_infos = None - val mutable current_mathml = None + (* 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 _ -> "") + +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 initializer - ignore (self#connect#click (fun (gdome_elt, _, _, _) -> - match gdome_elt with - | Some gdome_elt -> - prerr_endline (gdome_elt#get_nodeName#to_string); - ignore (self#action_toggle gdome_elt) - | None -> ())); - (* bugfix: until mapping gtkmathview doesn't draw anything *) - ignore (self#misc#connect#after#map (fun _ -> - match current_mathml with + 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#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 + + method private selection_get_cb ctxt ~info ~time = + (match self#get_selections with + | [] -> () + | node :: _ -> ctxt#return (self#string_of_node node)) + + method private selection_clear_cb sel_event = + self#remove_selections; + 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 popup_contextual_menu time = + match self#string_of_selection with + | None -> () + | Some s -> + let clipboard = GData.clipboard Gdk.Atom.clipboard in + let menu = GMenu.menu () in + let copy_menu_item = + GMenu.image_menu_item + ~label:"_Copy" ~stock:`COPY ~packing:menu#append () + in + connect_menu_item copy_menu_item (fun () -> clipboard#set_text s); + menu#popup ~button:right_button ~time + + method private button_release_cb gdk_button = + let clipboard = GData.clipboard Gdk.Atom.primary in + 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 -> + let localName = href_ds in + if elt#hasAttributeNS ~namespaceURI:xlink_ns ~localName then + self#invoke_href_callback + (elt#getAttributeNS ~namespaceURI:xlink_ns + ~localName)#to_string + gdk_button + else + ignore (self#action_toggle elt)); + end; + false + + method private invoke_href_callback href_value 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 mathml -> self#load_root ~root:mathml#get_documentElement)) + | Some f -> + (match HExtlib.split href_value 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 () -> f uri)) + uris; + menu#popup ~button ~time) - method load_proof ((uri_opt, _, _, _) as proof, (goal_opt: int option)) = - let (annobj, ids_to_terms, ids_to_father_ids, ids_to_inner_sorts, - ids_to_inner_types, ids_to_conjectures, ids_to_hypotheses) = - Cic2acic.acic_object_of_cic_object (cicCurrentProof proof) + method private choose_selection_cb gdome_elt = + let (gui: MatitaGuiTypes.gui) = get_gui () in + let clipboard = GData.clipboard Gdk.Atom.primary in + let set_selection elt = + self#set_selection (Some elt); + self#coerce#misc#add_selection_target + ~target:(Gdk.Atom.name Gdk.Atom.string) Gdk.Atom.primary; + ignore (self#coerce#misc#grab_selection Gdk.Atom.primary) in - current_infos <- Some (ids_to_terms, ids_to_father_ids, ids_to_conjectures, - ids_to_hypotheses); - let mathml = - ApplyTransformation.mml_of_cic_object ~explode_all:true - (unopt_uri uri_opt) annobj ids_to_inner_sorts ids_to_inner_types + 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 - debug_print "load_proof: dumping MathML to /tmp/proof"; - ignore (Misc.domImpl#saveDocumentToFile ~name:"/tmp/proof" ~doc:mathml ()); - match current_mathml with - | None -> - self#load_root ~root:mathml#get_documentElement ; - current_mathml <- Some mathml - | Some current_mathml -> - self#freeze; - XmlDiff.update_dom ~from:current_mathml mathml ; - self#thaw - end + (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 -class sequent_viewer obj = - object(self) + method update_font_size = self#set_font_size !current_font_size - inherit GMathViewAux.multi_selection_math_view obj + method private get_term_by_id cic_info id = + let unsh_item, ids_to_terms, ids_to_hypotheses, _, _, _ = cic_info in + try + `Term (Hashtbl.find ids_to_terms id) + 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 + `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) - val mutable current_infos = None - - method get_selected_terms = - let selections = self#get_selections in - list_map_fail - (function node -> - let xpath = - ((node : Gdome.element)#getAttributeNS - ~namespaceURI:Misc.helmns - ~localName:(Gdome.domString "xref"))#to_string - in - if xpath = "" then assert false (* "ERROR: No xref found!!!" *) - else - match current_infos with - Some (ids_to_terms,_,_) -> - let id = xpath in - (try - Hashtbl.find ids_to_terms id - with _ -> raise Skip) - | None -> assert false (* "ERROR: No current term!!!" *) - ) selections - - method get_selected_hypotheses = - let selections = self#get_selections in - list_map_fail - (function node -> - let xpath = - ((node : Gdome.element)#getAttributeNS - ~namespaceURI:Misc.helmns - ~localName:(Gdome.domString "xref"))#to_string - in - if xpath = "" then assert false (* "ERROR: No xref found!!!" *) - else - match current_infos with - Some (_,_,ids_to_hypotheses) -> - let id = xpath in - (try - Hashtbl.find ids_to_hypotheses id - with _ -> raise Skip) - | None -> assert false (* "ERROR: No current term!!!" *) - ) selections - - method load_sequent metasenv metano = -(* - let (annconjecture, ids_to_terms, ids_to_father_ids, ids_to_inner_sorts, - ids_to_hypotheses) = - Cic2acic.asequent_of_sequent metasenv conjecture + method private string_of_node node = + if node#hasAttributeNS ~namespaceURI:helm_ns ~localName:xref_ds + then self#string_of_id_node node + else string_of_dom_node node + + method private string_of_id_node node = + let get_id (node: Gdome.element) = + let xref_attr = + node#getAttributeNS ~namespaceURI:helm_ns ~localName:xref_ds + in + List.hd (HExtlib.split ~sep:' ' xref_attr#to_string) + in + let id = get_id node in + let script = MatitaScript.current () in + let metasenv = + if script#onGoingProof () then + script#proofMetasenv + else + [] + in +(* TODO: code for patterns + let conclusion = (MatitaScript.instance ())#proofConclusion in + let conclusion_pattern = + ProofEngineHelpers.pattern_of ~term:conclusion cic_terms in *) + let string_of_cic_sequent cic_sequent = + let _, (acic_sequent, _, _, ids_to_inner_sorts, _) = + Cic2acic.asequent_of_sequent metasenv cic_sequent + in + let _, _, _, annterm = acic_sequent in + let ast, ids_to_uris = + CicNotationRew.ast_of_acic ids_to_inner_sorts annterm + in + let pped_ast = CicNotationRew.pp_ast ast in + let markup = CicNotationPres.render ids_to_uris pped_ast in + BoxPp.render_to_string text_width markup + in + let cic_info, unsh_sequent = + match self#cic_info with + | Some ((Some unsh_sequent, _, _, _, _, _) as info) -> + info, unsh_sequent + | Some ((None, _, _, _, _, _) as info) -> + (* building a dummy sequent for obj *) + let t = self#find_obj_conclusion id in + MatitaLog.debug (CicPp.ppterm t); + info, (~-1, [], t) + | None -> assert false + in + let cic_sequent = + match self#get_term_by_id cic_info id with + | `Term t -> + let context' = + match ProofEngineHelpers.locate_in_conjecture t unsh_sequent with + [context,_] -> context + | _ -> +(* prerr_endline (sprintf "%d\nt=%s\ncontext=%s" + (List.length l) (CicPp.ppterm t) (CicPp.ppcontext context)); *) + assert false (* since it uses physical equality *) + in + ~-1, context', t + | `Hyp context -> ~-1, context, Cic.Rel 1 + in + string_of_cic_sequent cic_sequent + + method string_of_selections = + List.map self#string_of_node (List.rev self#get_selections) + + method string_of_selection = + match self#get_selections with + | [] -> None + | node :: _ -> Some (self#string_of_node node) + +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, (ids_to_terms, ids_to_father_ids, ids_to_hypotheses)) = + let (mathml, unsh_sequent, + (_, (ids_to_terms, ids_to_father_ids, ids_to_hypotheses,_ ))) + = ApplyTransformation.mml_of_cic_sequent metasenv sequent in - current_infos <- Some (ids_to_terms, ids_to_father_ids, ids_to_hypotheses); - debug_print "load_sequent: dumping MathML to /tmp/prova"; - ignore (Misc.domImpl#saveDocumentToFile ~name:"/tmp/prova" ~doc:mathml ()); + self#set_cic_info + (Some (Some unsh_sequent, + ids_to_terms, ids_to_hypotheses, ids_to_father_ids, + Hashtbl.create 1, None)); + let name = "sequent_viewer.xml" in + MatitaLog.debug ("load_sequent: dumping MathML to ./" ^ name); + ignore (domImpl#saveDocumentToFile ~name ~doc:mathml ()); self#load_root ~root:mathml#get_documentElement - end + 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 + | _ -> + let name = "cic_browser.xml" in + MatitaLog.debug ("cic_browser: dumping MathML to ./" ^ name); + ignore (domImpl#saveDocumentToFile ~name ~doc:mathml ()); + self#load_root ~root:mathml#get_documentElement; + current_mathml <- Some mathml); +end -class sequents_viewer ~(notebook:GPack.notebook) - ~(sequent_viewer:MatitaTypes.sequent_viewer) ~set_goal () -= - let tab_label metano = - (GMisc.label ~text:(sprintf "?%d" metano) ~show:true ())#coerce +let tab_label meta_markup = + let rec aux = + function + | `Current m -> sprintf "%s" (aux m) + | `Closed 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 + 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; + notebook#append_page logo + + method load_logo_with_qed = + notebook#set_show_tabs false; + notebook#append_page logo_with_qed method reset = - for i = 1 to pages do notebook#remove_page 0 done; - pages <- 0; - page2goal <- []; - goal2page <- []; - goal2win <- []; - _metasenv <- []; + (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 -> ()) + | 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 ~-1; - method load_sequents metasenv = + method load_sequents { proof = (_,metasenv,_,_) as proof; stack = stack } = let sequents_no = List.length metasenv in _metasenv <- metasenv; - pages <- sequents_no; - let win metano = + pages <- 0; + let win goal_switch = let w = - GBin.scrolled_window ~hpolicy:`AUTOMATIC ~vpolicy:`AUTOMATIC - ~show:true () + GBin.scrolled_window ~hpolicy:`AUTOMATIC ~vpolicy:`ALWAYS + ~shadow_type:`IN ~show:true () in let reparent () = - match sequent_viewer#misc#parent with - | None -> w#add sequent_viewer#coerce - | Some _ -> sequent_viewer#misc#reparent w#coerce + 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 <- (metano, reparent) :: goal2win; + 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 - List.iter - (fun (metano, _, _) -> - page2goal <- (!page, metano) :: page2goal; - goal2page <- (metano, !page) :: goal2page; + 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 + notebook#append_page ~tab_label:(tab_label markup) (win goal_switch); + page2goal <- (!page, goal_switch) :: page2goal; + goal2page <- (goal_switch, !page) :: goal2page; incr page; - notebook#append_page ~tab_label:(tab_label metano) (win metano)) - metasenv; + 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, _ -> `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#after#switch_page ~callback:(fun page -> - let goal = - try - List.assoc page page2goal - with Not_found -> assert false + Some (notebook#connect#switch_page ~callback:(fun page -> + let goal_switch = + try List.assoc page page2goal with Not_found -> assert false in - set_goal goal; - self#render_page ~page ~goal)) + self#script#setGoal (goal_of_switch goal_switch); + self#render_page ~page ~goal_switch)) - method private render_page ~page ~goal = - sequent_viewer#load_sequent _metasenv goal; - try - List.assoc goal goal2win () - with Not_found -> assert false + 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 page = + let goal_switch, page = try - List.assoc goal goal2page + 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 + self#render_page page goal_switch end (** constructors *) -let sequent_viewer ?hadjustment ?vadjustment ?font_size ?log_verbosity = - GtkBase.Widget.size_params - ~cont:(OgtkMathViewProps.pack_return (fun p -> - OgtkMathViewProps.set_params - (new sequent_viewer (GtkMathViewProps.MathView_GMetaDOM.create p)) - ~font_size ~log_verbosity)) - [] +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 proof_viewer ?hadjustment ?vadjustment ?font_size ?log_verbosity = +let cicMathView ?hadjustment ?vadjustment ?font_size ?log_verbosity = GtkBase.Widget.size_params ~cont:(OgtkMathViewProps.pack_return (fun p -> OgtkMathViewProps.set_params - (new proof_viewer (GtkMathViewProps.MathView_GMetaDOM.create p)) + (new cicMathView (GtkMathViewProps.MathView_GMetaDOM.create p)) ~font_size ~log_verbosity)) [] -let proof_viewer_instance = - let instance = lazy ( - let gui = MatitaGui.instance () in - let frame = - GBin.frame ~packing:(gui#proof#scrolledProof#add_with_viewport) - ~show:true () +let blank_uri = BuildTimeConf.blank_uri +let current_proof_uri = BuildTimeConf.current_proof_uri + +type term_source = + [ `Ast of DisambiguateTypes.term + | `Cic of Cic.term * Cic.metasenv + | `String of string + ] + +class cicBrowser_impl ~(history:MatitaTypes.mathViewer_entry MatitaMisc.history) + () += + let term_RE = Pcre.regexp "^term:(.*)" in + 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 whelp_query_RE = Pcre.regexp "^\\s*whelp\\s+([^\\s]+)\\s+(.*)$" in + let trailing_slash_RE = Pcre.regexp "/$" in + let has_xpointer_RE = Pcre.regexp "#xpointer\\(\\d+/\\d+(/\\d+)?\\)$" 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 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 + combo#set_active (aux 0 queries); + win#queryInputText#set_text input + in + let set_whelp_query txt = + let query, arg = + try + let q = Pcre.extract ~rex:whelp_query_RE txt in + q.(1), q.(2) + with Invalid_argument _ -> failwith "Malformed Whelp query" in - proof_viewer ~show:true ~packing:(frame#add) () - ) in - fun () -> Lazy.force instance + 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 handle_error f = + try + f () + with exn -> + if not (Helm_registry.get_bool "matita.debug") then + fail (MatitaExcPp.to_string exn) + else raise exn + in + let handle_error' f = (fun () -> handle_error (fun () -> f ())) in + let load_easter_egg = lazy ( + win#easterEggImage#set_file (MatitaMisc.image_path "meegg.png")) + in + object (self) + inherit scriptAccessor + + (* Whelp bar queries *) + + initializer + activate_combo_query "" "locate"; + win#whelpBarComboVbox#add combo#coerce; + let start_query () = + let query = String.lowercase (List.nth queries combo#active) in + let input = win#queryInputText#text in + let statement = "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; + if !cicBrowsers = [] && + Helm_registry.get "matita.mode" = "cicbrowser" + then + GMain.quit (); + 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))))); + self#_load (`About `Blank); + toplevel#show () + + val mutable current_entry = `About `Blank + + 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 back () = + try + self#_load (self#_historyPrev ()) + with MatitaMisc.History_failure -> () -let sequents_viewer ~(notebook:GPack.notebook) - ~(sequent_viewer:MatitaTypes.sequent_viewer) ~set_goal () + 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 || force then + begin + (match entry with + | `About `Current_proof -> self#home () + | `About `Blank -> self#blank () + | `About `Us -> self#egg () + | `Check term -> self#_loadCheck term + | `Cic (term, metasenv) -> self#_loadTermCic term metasenv + | `Dir dir -> self#_loadDir dir + | `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 home () = + self#_showMath; + match self#script#status.proof_status with + | Proof (uri, metasenv, bo, ty) -> + let name = UriManager.name_of_uri (HExtlib.unopt uri) in + let obj = Cic.CurrentProof (name, metasenv, bo, ty, [], []) in + self#_loadObj obj + | Incomplete_proof { proof = (uri, metasenv, bo, ty) } -> + let name = UriManager.name_of_uri (HExtlib.unopt uri) in + let obj = Cic.CurrentProof (name, metasenv, bo, ty, [], []) 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 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 setEntry entry = + win#browserUri#entry#set_text (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 txt = HExtlib.trim_blanks txt in + 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 -> + (try + entry_of_string txt + with Invalid_argument _ -> + 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 sequents_viewer ~notebook ~sequent_viewer ~set_goal () + 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 get_selections () = + if (MatitaScript.current ())#onGoingProof () then + let rec aux = + function + | [] -> None + | mv :: tl -> + (match mv#string_of_selections with + | [] -> aux tl + | sels -> Some sels) + in + aux (get_math_views ()) + else + None + +let reset_selections () = + List.iter (fun mv -> mv#remove_selections) (get_math_views ())