+++ /dev/null
-(* 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.
- * <m:mi xlink:href="...">bool</m:mi> *)
-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 *)
-
-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
- 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 =
- 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
-
- (** @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 :: _ ->
- 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 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 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
- menu#append reductions_menu_item;
- let reductions = GMenu.menu () in
- reductions_menu_item#set_submenu reductions;
- let normalize = add_menu_item ~menu:reductions ~label:"Normalize" () in
- let reduce = add_menu_item ~menu:reductions ~label:"Reduce" () 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; reduce; 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)
- (GrafiteAst.Tactical (loc,
- GrafiteAst.Tactic (loc, GrafiteAst.Reduce (loc, kind, pat)),
- Some (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 reduce (reduction_action `Reduce);
- 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 ->
- 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 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 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
- let id = id_of_node node in
- self#string_of_cic_sequent (self#sequent_of_id ~paste_kind id)
- else string_of_dom_node node
-
- method private string_of_cic_sequent cic_sequent =
- let script = MatitaScript.current () in
- let metasenv =
- if script#onGoingProof () then script#proofMetasenv else [] in
- 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 =
- TermAcicContent.ast_of_acic ids_to_inner_sorts annterm in
- let pped_ast = TermContentPres.pp_ast ast in
- let markup = CicNotationPres.render ids_to_uris pped_ast in
- BoxPp.render_to_string text_width markup
-
- method private pattern_of term context unsh_sequent =
- let context_len = List.length context in
- let _, unsh_context, conclusion = unsh_sequent in
- try
- (match
- List.nth unsh_context (List.length unsh_context - context_len - 1)
- with
- | None -> assert false (* can't select a restricted hypothesis *)
- | Some (name, Cic.Decl ty) ->
- ProofEngineHelpers.pattern_of ~term:ty [term]
- | Some (name, Cic.Def (bo, _)) ->
- ProofEngineHelpers.pattern_of ~term:bo [term])
- with Failure _ | Invalid_argument _ ->
- ProofEngineHelpers.pattern_of ~term:conclusion [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) ->
- 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 context 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 = "sequent_viewer.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 = "cic_browser.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
- | `Current m -> sprintf "<b>%s</b>" (aux m)
- | `Closed m -> sprintf "<s>%s</s>" (aux m)
- | `Shift (pos, m) -> sprintf "|<sub>%d</sub>: %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 =
- 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,_,_) 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
- 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, _ -> `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 whelp_query_RE = Pcre.regexp "^\\s*whelp\\s+([^\\s]+)\\s+(.*)$" 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
- 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 (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#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 -> ()
-
- 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#grafite_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 (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 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
- 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)
-