--- /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 *)
+
+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
+ (* <statusbar ctxt, statusbar msg> *)
+
+ 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>%s</s>" (aux m)
+ | `Current m -> sprintf "<b>%s</b>" (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
+
+ 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)
+
projects / helm.git / blobdiff