(* 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/.
*)
open Printf
open MatitaTypes
open MatitaGtkMisc
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 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
let mk_ids terms = List.map CicUtil.id_of_annterm terms in
let inner_types =
Hashtbl.fold
(fun _ types acc ->
match types.Cic2acic.annexpected with
None -> types.Cic2acic.annsynthesized :: acc
| Some ty -> ty :: types.Cic2acic.annsynthesized :: acc
) ids_to_inner_types [] in
match annobj with
| Cic.AConstant (_, _, _, Some bo, ty, _, _)
| Cic.AVariable (_, _, Some bo, ty, _, _)
| Cic.ACurrentProof (_, _, _, _, bo, ty, _, _) ->
return_father id (mk_ids (ty :: bo :: inner_types))
| Cic.AConstant (_, _, _, None, ty, _, _)
| Cic.AVariable (_, _, None, ty, _, _) ->
return_father id (mk_ids (ty::inner_types))
| Cic.AInductiveDefinition _ ->
assert false (* TODO *)
(** @return string content of a dom node having a single text child node, e.g.
* bool *)
let string_of_dom_node node =
match node#get_firstChild with
| None -> ""
| Some node ->
(try
let text = new Gdome.text_of_node node in
text#get_data#to_string
with GdomeInit.DOMCastException _ -> "")
class clickableMathView obj =
let text_width = 80 in
object (self)
inherit GMathViewAux.multi_selection_math_view obj
val mutable href_callback: (string -> unit) option = None
method set_href_callback f = href_callback <- f
val mutable _cic_info = None
method private set_cic_info info = _cic_info <- info
method private cic_info = _cic_info
initializer
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
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
(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
method update_font_size = self#set_font_size !current_font_size
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)
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.current () 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,_ ))) =
ApplyTransformation.mml_of_cic_sequent metasenv sequent
in
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
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
let tab_label meta_markup =
let rec aux =
function
| `Current m -> sprintf "%s" (aux m)
| `Closed m -> sprintf "%s" (aux m)
| `Shift (pos, m) -> sprintf "|%d: %s" pos (aux m)
| `Meta n -> sprintf "?%d" n
in
let markup = aux meta_markup in
(GMisc.label ~markup ~show:true ())#coerce
let goal_of_switch = function Stack.Open g | Stack.Closed g -> g
class sequentsViewer ~(notebook:GPack.notebook) ~(cicMathView:cicMathView) () =
object (self)
inherit scriptAccessor
val mutable pages = 0
val mutable switch_page_callback = None
val mutable page2goal = [] (* associative list: page no -> goal no *)
val mutable goal2page = [] (* the other way round *)
val mutable goal2win = [] (* associative list: goal no -> scrolled win *)
val mutable _metasenv = []
val mutable scrolledWin: GBin.scrolled_window option = None
(* scrolled window to which the sequentViewer is currently attached *)
val logo = (GMisc.image
~file:(MatitaMisc.image_path "matita_medium.png") ()
:> GObj.widget)
val logo_with_qed = (GMisc.image
~file:(MatitaMisc.image_path "matita_small.png") ()
:> GObj.widget)
method load_logo =
notebook#set_show_tabs false;
notebook#append_page logo
method load_logo_with_qed =
notebook#set_show_tabs false;
notebook#append_page logo_with_qed
method reset =
(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 ~-1;
method load_sequents { proof = (_,metasenv,_,_) as proof; stack = stack } =
let sequents_no = List.length metasenv in
_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 = 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 (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 MatitaMisc.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 DisambiguateTypes.term
| `Cic of Cic.term * Cic.metasenv
| `String of string
]
class cicBrowser_impl ~(history:MatitaTypes.mathViewer_entry MatitaMisc.history)
()
=
let term_RE = Pcre.regexp "^term:(.*)" in
let whelp_RE = Pcre.regexp "^\\s*whelp" in
let uri_RE =
Pcre.regexp
"^cic:/([^/]+/)*[^/]+\\.(con|ind|var)(#xpointer\\(\\d+(/\\d+)+\\))?$"
in
let dir_RE = Pcre.regexp "^cic:((/([^/]+/)*[^/]+(/)?)|/|)$" in
let whelp_query_RE = Pcre.regexp "^\\s*whelp\\s+([^\\s]+)\\s+(.*)$" in
let trailing_slash_RE = Pcre.regexp "/$" in
let has_xpointer_RE = Pcre.regexp "#xpointer\\(\\d+/\\d+(/\\d+)?\\)$" in
let is_whelp txt = Pcre.pmatch ~rex:whelp_RE txt in
let is_uri txt = Pcre.pmatch ~rex:uri_RE txt in
let is_dir txt = Pcre.pmatch ~rex:dir_RE txt in
let gui = get_gui () in
let (win: MatitaGuiTypes.browserWin) = gui#newBrowserWin () in
let queries = ["Locate";"Hint";"Match";"Elim";"Instance"] in
let combo,_ = GEdit.combo_box_text ~strings:queries () in
let activate_combo_query input q =
let q' = String.lowercase q in
let rec aux i = function
| [] -> failwith ("Whelp query '" ^ q ^ "' not found")
| h::_ when String.lowercase h = q' -> i
| _::tl -> aux (i+1) tl
in
combo#set_active (aux 0 queries);
win#queryInputText#set_text input
in
let set_whelp_query txt =
let query, arg =
try
let q = Pcre.extract ~rex:whelp_query_RE txt in
q.(1), q.(2)
with Invalid_argument _ -> failwith "Malformed Whelp query"
in
activate_combo_query arg query
in
let toplevel = win#toplevel in
let mathView = cicMathView ~packing:win#scrolledBrowser#add () in
let fail message =
MatitaGtkMisc.report_error ~title:"Cic browser" ~message
~parent:toplevel ()
in
let tags =
[ "dir", GdkPixbuf.from_file (MatitaMisc.image_path "matita-folder.png");
"obj", GdkPixbuf.from_file (MatitaMisc.image_path "matita-object.png") ]
in
let handle_error f =
try
f ()
with exn ->
if not (Helm_registry.get_bool "matita.debug") then
fail (MatitaExcPp.to_string exn)
else raise exn
in
let handle_error' f = (fun () -> handle_error (fun () -> f ())) in
let load_easter_egg = lazy (
win#easterEggImage#set_file (MatitaMisc.image_path "meegg.png"))
in
object (self)
inherit scriptAccessor
(* Whelp bar queries *)
initializer
activate_combo_query "" "locate";
win#whelpBarComboVbox#add combo#coerce;
let start_query () =
let query = String.lowercase (List.nth queries combo#active) in
let input = win#queryInputText#text in
let statement = "whelp " ^ query ^ " " ^ input ^ "." in
(MatitaScript.current ())#advance ~statement ()
in
ignore(win#queryInputText#connect#activate ~callback:start_query);
ignore(combo#connect#changed ~callback:start_query);
win#whelpBarImage#set_file (MatitaMisc.image_path "whelp.png");
win#mathOrListNotebook#set_show_tabs false;
win#browserForwardButton#misc#set_sensitive false;
win#browserBackButton#misc#set_sensitive false;
ignore (win#browserUri#entry#connect#activate (handle_error' (fun () ->
self#loadInput win#browserUri#entry#text)));
ignore (win#browserHomeButton#connect#clicked (handle_error' (fun () ->
self#load (`About `Current_proof))));
ignore (win#browserRefreshButton#connect#clicked
(handle_error' (self#refresh ~force:true)));
ignore (win#browserBackButton#connect#clicked (handle_error' self#back));
ignore (win#browserForwardButton#connect#clicked
(handle_error' self#forward));
ignore (win#toplevel#event#connect#delete (fun _ ->
let my_id = Oo.id self in
cicBrowsers := List.filter (fun b -> Oo.id b <> my_id) !cicBrowsers;
if !cicBrowsers = [] &&
Helm_registry.get "matita.mode" = "cicbrowser"
then
GMain.quit ();
false));
ignore(win#whelpResultTreeview#connect#row_activated
~callback:(fun _ _ ->
handle_error (fun () -> self#loadInput (self#_getSelectedUri ()))));
mathView#set_href_callback (Some (fun uri ->
handle_error (fun () ->
self#load (`Uri (UriManager.uri_of_string uri)))));
self#_load (`About `Blank);
toplevel#show ()
val mutable current_entry = `About `Blank
val model =
new MatitaGtkMisc.taggedStringListModel tags win#whelpResultTreeview
val mutable lastDir = "" (* last loaded "directory" *)
method mathView = (mathView :> MatitaGuiTypes.clickableMathView)
method private _getSelectedUri () =
match model#easy_selection () with
| [sel] when is_uri sel -> sel (* absolute URI selected *)
(* | [sel] -> win#browserUri#entry#text ^ sel |+ relative URI selected +| *)
| [sel] -> lastDir ^ sel
| _ -> assert false
(** history RATIONALE
*
* All operations about history are done using _historyFoo.
* Only toplevel functions (ATM load and loadInput) call _historyAdd.
*)
method private _historyAdd item =
history#add item;
win#browserBackButton#misc#set_sensitive true;
win#browserForwardButton#misc#set_sensitive false
method private _historyPrev () =
let item = history#previous in
if history#is_begin then win#browserBackButton#misc#set_sensitive false;
win#browserForwardButton#misc#set_sensitive true;
item
method private _historyNext () =
let item = history#next in
if history#is_end then win#browserForwardButton#misc#set_sensitive false;
win#browserBackButton#misc#set_sensitive true;
item
(** notebook RATIONALE
*
* Use only these functions to switch between the tabs
*)
method private _showMath = win#mathOrListNotebook#goto_page 0
method private _showList = win#mathOrListNotebook#goto_page 1
method private back () =
try
self#_load (self#_historyPrev ())
with MatitaMisc.History_failure -> ()
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 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 { proof = (uri, metasenv, bo, ty) } ->
let name = UriManager.name_of_uri (HExtlib.unopt uri) in
let obj = Cic.CurrentProof (name, metasenv, bo, ty, [], []) in
self#_loadObj obj
| _ -> self#blank ()
(** loads a cic uri from the environment
* @param uri UriManager.uri *)
method private _loadUriManagerUri uri =
let uri = UriManager.strip_xpointer uri in
let (obj, _) = CicEnvironment.get_obj CicUniv.empty_ugraph uri in
self#_loadObj obj
method private _loadDir dir =
let content = Http_getter.ls dir in
let l =
List.fast_sort
Pervasives.compare
(List.map
(function
| Http_getter_types.Ls_section s -> "dir", s
| Http_getter_types.Ls_object o -> "obj", o.Http_getter_types.uri)
content)
in
lastDir <- dir;
self#_loadList l
method private setEntry entry =
win#browserUri#entry#set_text (string_of_entry entry);
current_entry <- entry
method private _loadObj obj =
(* showMath must be done _before_ loading the document, since if the
* widget is not mapped (hidden by the notebook) the document is not
* rendered *)
self#_showMath;
mathView#load_object obj
method private _loadTermCic term metasenv =
let context = self#script#proofContext in
let dummyno = CicMkImplicit.new_meta metasenv [] in
let sequent = (dummyno, context, term) in
mathView#load_sequent (sequent :: metasenv) dummyno;
self#_showMath
method private _loadList l =
model#list_store#clear ();
List.iter (fun (tag, s) -> model#easy_append ~tag s) l;
self#_showList
(** { public methods, all must call _load!! } *)
method load entry =
handle_error (fun () -> self#_load entry; self#_historyAdd entry)
(** this is what the browser does when you enter a string an hit enter *)
method loadInput txt =
let txt = HExtlib.trim_blanks txt in
let fix_uri txt =
UriManager.string_of_uri
(UriManager.strip_xpointer (UriManager.uri_of_string txt))
in
if is_whelp txt then begin
set_whelp_query txt;
(MatitaScript.current ())#advance ~statement:(txt ^ ".") ()
end else begin
let entry =
match txt with
| txt when is_uri txt -> `Uri (UriManager.uri_of_string (fix_uri txt))
| txt when is_dir txt -> `Dir (MatitaMisc.normalize_dir txt)
| txt ->
(try
entry_of_string txt
with Invalid_argument _ ->
command_error (sprintf "unsupported uri: %s" txt))
in
self#_load entry;
self#_historyAdd entry
end
(** {2 methods accessing underlying GtkMathView} *)
method updateFontSize = mathView#set_font_size !current_font_size
(** {2 methods used by constructor only} *)
method win = win
method history = history
method currentEntry = current_entry
method refresh ~force () = self#_load ~force current_entry
end
let sequentsViewer ~(notebook:GPack.notebook) ~(cicMathView:cicMathView) ():
MatitaGuiTypes.sequentsViewer
=
new sequentsViewer ~notebook ~cicMathView ()
let cicBrowser () =
let size = BuildTimeConf.browser_history_size in
let rec aux history =
let browser = new cicBrowser_impl ~history () in
let win = browser#win in
ignore (win#browserNewButton#connect#clicked (fun () ->
let history =
new MatitaMisc.browser_history ~memento:history#save size
(`About `Blank)
in
let newBrowser = aux history in
newBrowser#load browser#currentEntry));
(*
(* attempt (failed) to close windows on CTRL-W ... *)
MatitaGtkMisc.connect_key win#browserWinEventBox#event ~modifiers:[`CONTROL]
GdkKeysyms._W (fun () -> win#toplevel#destroy ());
*)
cicBrowsers := browser :: !cicBrowsers;
(browser :> MatitaGuiTypes.cicBrowser)
in
let history = new MatitaMisc.browser_history size (`About `Blank) in
aux history
let default_cicMathView () = cicMathView ~show:true ()
let cicMathView_instance = MatitaMisc.singleton default_cicMathView
let default_sequentsViewer () =
let gui = get_gui () in
let cicMathView = cicMathView_instance () in
sequentsViewer ~notebook:gui#main#sequentsNotebook ~cicMathView ()
let sequentsViewer_instance = MatitaMisc.singleton default_sequentsViewer
let mathViewer () =
object(self)
method private get_browser reuse =
if reuse then
(match !cicBrowsers with
| [] -> cicBrowser ()
| b :: _ -> (b :> MatitaGuiTypes.cicBrowser))
else
(cicBrowser ())
method show_entry ?(reuse=false) t = (self#get_browser reuse)#load t
method show_uri_list ?(reuse=false) ~entry l =
(self#get_browser reuse)#load entry
end
let refresh_all_browsers () =
List.iter (fun b -> b#refresh ~force:false ()) !cicBrowsers
let update_font_sizes () =
List.iter (fun b -> b#updateFontSize) !cicBrowsers;
(cicMathView_instance ())#update_font_size
let get_math_views () =
((cicMathView_instance ()) :> MatitaGuiTypes.clickableMathView)
:: (List.map (fun b -> b#mathView) !cicBrowsers)
let get_selections () =
if (MatitaScript.current ())#onGoingProof () then
let rec aux =
function
| [] -> None
| mv :: tl ->
(match mv#string_of_selections with
| [] -> aux tl
| sels -> Some sels)
in
aux (get_math_views ())
else
None
let reset_selections () =
List.iter (fun mv -> mv#remove_selections) (get_math_views ())