+ method private redraw_gviz ?center_on () =
+ if Sys.command "which dot" = 0 then
+ 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
+ else
+ MatitaGtkMisc.report_error ~title:"graphviz error"
+ ~message:("Graphviz is not installed but is necessary to render "^
+ "the graph of dependencies amoung objects. Please install it.")
+ ~parent:win#toplevel ()
+
+ 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 tex () =
+ let b = Buffer.create 1000 in
+ Printf.bprintf b "UTF-8 equivalence classes (rotate with ALT-L):\n\n";
+ List.iter
+ (fun l ->
+ List.iter (fun sym ->
+ Printf.bprintf b " %s" (Glib.Utf8.from_unichar sym)
+ ) l;
+ Printf.bprintf b "\n";
+ )
+ (List.sort
+ (fun l1 l2 -> compare (List.hd l1) (List.hd l2))
+ (Virtuals.get_all_eqclass ()));
+ Printf.bprintf b "\n\nVirtual keys (trigger with ALT-L):\n\n";
+ List.iter
+ (fun tag, items ->
+ Printf.bprintf b " %s:\n" tag;
+ List.iter
+ (fun names, symbol ->
+ Printf.bprintf b " \t%s\t%s\n"
+ (Glib.Utf8.from_unichar symbol)
+ (String.concat ", " names))
+ (List.sort
+ (fun (_,a) (_,b) -> compare a b)
+ items);
+ Printf.bprintf b "\n")
+ (List.sort
+ (fun (a,_) (b,_) -> compare a b)
+ (Virtuals.get_all_virtuals ()));
+ self#_loadText (Buffer.contents b)
+
+ method private _loadText text =
+ searchText#source_buffer#set_text text;
+ win#entrySearch#misc#grab_focus ();
+ self#_showSearch
+
+ method private grammar () =
+ self#_loadText (Print_grammar.ebnf_of_term ());