-(* 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
open Printf
-open MatitaCicMisc
open MatitaTypes
+open MatitaGtkMisc
-(* List utility functions *)
-exception Skip
+(** inherit from this class if you want to access current script *)
+class scriptAccessor =
+object (self)
+ method private script = MatitaScript.instance ()
+end
-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
-
-let choose_selection mmlwidget (element : Gdome.element option) =
- let rec aux element =
- if element#hasAttributeNS
- ~namespaceURI:Misc.helmns
- ~localName:(Gdome.domString "xref")
- then
- mmlwidget#set_selection (Some element)
- else
- try
- match element#get_parentNode with
- | None -> assert false
- | Some p -> aux (new Gdome.element_of_node p)
- with GdomeInit.DOMCastException _ ->
- debug_print "trying to select above the document root"
+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 href_ds = Gdome.domString "href"
+let xref_ds = Gdome.domString "xref"
+
+(* 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
- match element with
- | Some x -> aux x
- | None -> mmlwidget#set_selection None
+ 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 *)
-class proof_viewer obj =
- object(self)
+ (** @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 _ -> "")
- inherit GMathViewAux.single_selection_math_view obj
+class clickableMathView obj =
+let text_width = 80 in
+object (self)
+ inherit GMathViewAux.multi_selection_math_view obj
- val mutable current_infos = None
- val mutable current_mathml = None
+ 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 -> ()));
- ignore (self#connect#selection_changed (choose_selection self))
-
- 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)
+ 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 namespaceURI = DomMisc.xlink_ns in
+ let localName = href_ds in
+ if elt#hasAttributeNS ~namespaceURI ~localName then
+ self#invoke_href_callback
+ (elt#getAttributeNS ~namespaceURI ~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 (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:DomMisc.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 ./proof";
- ignore (Misc.domImpl#saveDocumentToFile ~name:"./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:DomMisc.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 context cic_info id =
+ let 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' = 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)
- initializer
- ignore (self#connect#selection_changed (choose_selection self))
-
- 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:DomMisc.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:DomMisc.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.instance () in
+ let metasenv = script#proofMetasenv in
+ let context = script#proofContext in
+ let metasenv, context, conclusion =
+ if script#onGoingProof () then
+ script#proofMetasenv, script#proofContext, script#proofConclusion
+ else
+ [], [],
+ let t = self#find_obj_conclusion id in
+ MatitaLog.debug (CicPp.ppterm t);
+ t
+ 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 =
+ match self#cic_info with Some info -> info | None -> assert false
+ in
+ let cic_sequent =
+ match self#get_term_by_id context cic_info id with
+ | `Term t ->
+ let context' =
+ match
+ ProofEngineHelpers.locate_in_conjecture t
+ (~-1, context, conclusion)
+ with
+ [context,_] -> 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, (_, (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 ./prova";
- ignore (Misc.domImpl#saveDocumentToFile ~name:"./prova" ~doc:mathml ());
+ self#set_cic_info
+ (Some (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 (DomMisc.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 (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 (DomMisc.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
- in
+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 private tab_label metano =
+ (GMisc.label ~text:(sprintf "?%d" metano) ~show:true ())#coerce
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 (status: ProofEngineTypes.status) =
+ let ((_, metasenv, _, _), goal) = status in
let sequents_no = List.length metasenv in
_metasenv <- metasenv;
pages <- sequents_no;
+ self#script#setGoal goal;
let win metano =
let w =
- GBin.scrolled_window ~hpolicy:`AUTOMATIC ~vpolicy:`AUTOMATIC
+ 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;
w#coerce
page2goal <- (!page, metano) :: page2goal;
goal2page <- (metano, !page) :: goal2page;
incr page;
- notebook#append_page ~tab_label:(tab_label metano) (win metano))
+ notebook#append_page ~tab_label:(self#tab_label metano) (win metano))
metasenv;
switch_page_callback <-
Some (notebook#connect#switch_page ~callback:(fun page ->
List.assoc page page2goal
with Not_found -> assert false
in
- set_goal goal;
+ self#script#setGoal goal;
self#render_page ~page ~goal))
method private render_page ~page ~goal =
- sequent_viewer#load_sequent _metasenv goal;
+ cicMathView#load_sequent _metasenv goal;
try
List.assoc goal goal2win ();
- sequent_viewer#set_selection None
+ cicMathView#set_selection None
with Not_found -> assert false
method goto_sequent goal =
with Not_found -> assert false
in
notebook#goto_page page;
- self#render_page page goal;
+ self#render_page page goal
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
- proof_viewer ~show:true ~packing:gui#proof#scrolledProof#add ()
- ) in
- fun () -> Lazy.force instance
+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
+ ]
-let sequents_viewer ~(notebook:GPack.notebook)
- ~(sequent_viewer:MatitaTypes.sequent_viewer) ~set_goal ()
+class cicBrowser_impl ~(history:MatitaTypes.mathViewer_entry MatitaMisc.history)
+ ()
=
- new sequents_viewer ~notebook ~sequent_viewer ~set_goal ()
+ 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
+ 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.instance ())#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 (MatitaMisc.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 ((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.instance ())#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) () =
+ 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.instance ())#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 ())