-(* Copyright (C) 2000, Luca Padovani <luca.padovani@cs.unibo.it>.
+(* Copyright (C) 2000-2003, Luca Padovani <luca.padovani@cs.unibo.it>,
+ * Claudio Sacerdoti Coen <sacerdot@cs.unibo.it>.
*
* This file is part of lablgtkmathview, the Ocaml binding
* for the GtkMathView widget.
(* MathView widget *)
(******************************************************************************)
+let helmns = Gdome.domString "http://www.cs.unibo.it/helm";;
+
+(*
+let choose_selection mmlwidget (element : Gdome.element option) =
+ let module G = Gdome in
+ let rec aux element =
+ if element#hasAttributeNS
+ ~namespaceURI:Misc.helmns
+ ~localName:(G.domString "xref")
+ then
+ mmlwidget#set_selection (Some element)
+ else
+ try
+ match element#get_parentNode with
+ None -> assert false
+ (*CSC: OCAML DIVERGES!
+ | Some p -> aux (new G.element_of_node p)
+ *)
+ | Some p -> aux (new Gdome.element_of_node p)
+ with
+ GdomeInit.DOMCastException _ ->
+ prerr_endline
+ "******* trying to select above the document root ********"
+ in
+ match element with
+ Some x -> aux x
+ | None -> mmlwidget#set_selection None
+;;
+*)
+
(* Callbacks *)
-let jump (node : Ominidom.o_mDOMNode) =
- let module O = Ominidom in
- print_string ("jump: " ^
- (match node#get_attribute (O.o_mDOMString_of_string "href") with
- | Some x -> x#get_string
- | None -> "NO HREF FOR THIS NODE"
- ) ^ "\n");
- flush stdout
+let selection_changed mathview (element : Gdome.element option) =
+ let rec aux element =
+ if element#hasAttributeNS
+ ~namespaceURI:helmns
+ ~localName:(Gdome.domString "xref")
+ then
+ mathview#set_selection (Some element)
+ else
+ try
+ match element#get_parentNode with
+ None -> mathview#set_selection None
+ | Some p -> aux (new Gdome.element_of_node p)
+ with
+ GdomeInit.DOMCastException _ ->
+ prerr_endline "******* trying to select above the document root ********"
+ in
+ print_endline ("selection_changed: " ^
+ (match element with
+ None -> "selection_changed on nothing"
+ | Some element -> element#get_tagName#to_string
+ )
+ ) ;
+ match element with
+ None -> ()
+ | Some el -> aux el;
+ flush stdout
;;
-let selection_changed mathview (node : Ominidom.o_mDOMNode option) =
- let module O = Ominidom in
- print_string ("selection_changed: " ^
- (match node with
- None -> "selection_changed on nothing"
- | Some node ->
- match node#get_name with
- | Some x -> x#get_string
- | None -> "on element without name"
- ) ^ "\n");
- mathview#set_selection node;
- flush stdout
+let element_over mathview ((element : Gdome.element option), _, _, _) =
+ print_endline ("element_over: " ^
+ (match element with
+ None -> "element_over on nothing"
+ | Some element -> element#get_tagName#to_string
+ )
+ ) ;
+ flush stdout
;;
-
-let clicked (node : Ominidom.o_mDOMNode) =
- let module O = Ominidom in
- print_string ("clicked: " ^
- (match node#get_name with
- | Some x -> x#get_string
- | None -> "no name"
- ) ^ "\n");
- flush stdout
+let rec jump (element : Gdome.element) =
+ let module G = Gdome in
+ let attr = (element#getAttribute ~name:(G.domString "href"))#to_string in
+ if attr = "" then
+ match element#get_parentNode with
+ Some p ->
+ begin
+ try
+ jump (new Gdome.element_of_node p)
+ with
+ GdomeInit.DOMCastException _ ->
+ print_string "jump: NO HREF FOR THIS NODE\n" ;
+ flush stdout ;
+ false
+ end
+ | None -> assert false (* every element has a parent *)
+ else
+ begin
+ print_endline ("jump: " ^ attr) ;
+ flush stdout ;
+ true
+ end
;;
+let rec action mathview (element : Gdome.element) =
+ let module G = Gdome in
+ if element#get_tagName#to_string = "m:maction" then
+ let selection =
+ if element#hasAttribute ~name:(G.domString "selection") then
+ int_of_string (element#getAttribute ~name:(G.domString "selection"))#to_string
+ else
+ 1
+ in
+ mathview#freeze ;
+ (* the widget will cast the index back into a reasonable range *)
+ element#setAttribute ~name:(G.domString "selection") ~value:(G.domString (string_of_int (selection + 1))) ;
+ mathview#thaw ;
+ true
+ else
+ match element#get_parentNode with
+ Some p ->
+ begin
+ try
+ action mathview (new Gdome.element_of_node p)
+ with
+ GdomeInit.DOMCastException _ ->
+ print_string "action: NO MACTION FOUND\n" ;
+ flush stdout ;
+ false
+ end
+ | None -> assert false (* every element has a parent *)
-let activate_t1 mathview () =
- mathview#set_font_manager_type `font_manager_t1;
- print_string "WIDGET SET WITH T1 FONTS\n" ;
- flush stdout
+let click mathview ((element : Gdome.element option), _, _, _) =
+ let module G = Gdome in
+ match element with
+ None -> print_string "CLICKED ON NOTHING\n" ; flush stdout
+ | Some element ->
+ if not (jump element) then
+ if not (mathview#action_toggle element) then
+ ()
;;
-let activate_gtk mathview () =
- mathview#set_font_manager_type `font_manager_gtk;
- print_string "WIDGET SET WITH GTK FONTS\n" ;
+let load_uri mathview () =
+ mathview#load_uri ~filename:"test.xml" ;
+ print_string "load: SEEMS TO WORK\n" ;
flush stdout
;;
-let get_font_manager_type mathview () =
- print_string "CURRENT FONT MANAGER TYPE: ";
- begin
- match mathview#get_font_manager_type with
- | `font_manager_t1 -> print_string "T1"
- | `font_manager_gtk -> print_string "GTK"
- end;
- print_newline();
+let get_document mathview () =
+ (match mathview#get_document with
+ | None -> print_string "no document loaded\n"
+ | Some doc ->
+ let name = "out.xml" in
+ ignore ((Gdome.domImplementation ())#saveDocumentToFile ~doc ~name ());
+ print_string ("document loaded and saved to " ^ name ^ "\n"));
flush stdout
;;
-let load mathview () =
- mathview#load "test.xml" ;
- print_string "load: SEEMS TO WORK\n" ;
+let load_doc mathview () =
+ mathview#load_root ~root:(((Gdome.domImplementation ())#createDocumentFromURI ~uri:"test.xml" ())#get_documentElement) ;
+ print_string "load from DOM: SEEMS TO WORK\n" ;
flush stdout
;;
-let get_selection mathview () =
- let module O = Ominidom in
- let selection =
- match mathview#get_selection with
- | Some node ->
- begin
- match node#get_name with
- | Some name -> name#get_string
- | None -> "element with no name!"
- end
- | None -> "no selection!"
- in
- print_string ("get_selection: " ^ selection ^ "\n") ;
- flush stdout
+let test_get_selection mathview () =
+ let selection =
+ match mathview#get_selection with
+ Some element -> element#get_tagName#to_string
+ | None -> "no selection! but there are " ^ (string_of_int (List.length mathview#get_selections)) ^ " multiple selections!"
+ in
+ print_string ("selection: " ^ selection ^ "\n") ;
+ flush stdout
;;
-let set_selection mathview () =
- let module O = Ominidom in
- begin
- match mathview#get_selection with
- | Some node ->
- begin
- try
- let parent_node = node#get_parent in
- mathview#set_selection (Some parent_node);
- print_string "set selection: SEEMS TO WORK\n"
- with
- _ -> print_string "EXCEPTION: no parent\n"
- end
+let test_set_selection mathview () =
+ begin
+ match mathview#get_selection with
+ Some element ->
+ begin
+ match element#get_parentNode with
+ Some p ->
+ begin
+ try
+ mathview#set_selection (Some (new Gdome.element_of_node p));
+ print_string "set selection: SEEMS TO WORK\n"
+ with
+ GdomeInit.DOMCastException _ ->
+ print_string "EXCEPTION: no parent\n"
+ end
+ | None -> assert false (* every element has a parent *)
+ end
| None ->
- mathview#set_selection None;
- print_string "no selection\n"
- end ;
- flush stdout
+ mathview#set_selection None;
+ print_string "no selection\n"
+ end ;
+ flush stdout
+;;
+
+let test_add_selection (mathview : GMathViewAux.multi_selection_math_view) () =
+ match mathview#get_selection with
+ Some e -> mathview#add_selection e
+ | None ->
+ begin
+ print_string "no selection to add\n" ;
+ flush stdout
+ end
;;
+let test_reset_selections (mathview : GMathViewAux.multi_selection_math_view) () =
+ mathview#set_selection None ;
+ mathview#remove_selections
+
+let select_over (mathview : GMathViewAux.multi_selection_math_view) =
+ (fun (_,_,_,state) ->
+ let c = function
+ | `SHIFT -> "shift"
+ | `LOCK -> "lock"
+ | `CONTROL -> "control"
+ | `MOD1 -> "mod1"
+ | _ -> ""
+ in
+ let msg =
+ String.concat ","
+ (List.filter (fun s -> s <> "")
+ (List.map c (Gdk.Convert.modifier state)))
+ in
+ if msg <> "" then begin
+ print_endline ("modifiers: " ^ msg);
+ flush stdout
+ end)
+
let unload mathview () =
mathview#unload ;
print_string "unload: SEEMS TO WORK\n" ;
flush stdout
;;
-let get_width mathview () =
- print_string ("get_width: " ^ string_of_int (mathview#get_width) ^ "\n") ;
- flush stdout
-;;
-
-let get_height mathview () =
- print_string ("get_height: " ^ string_of_int (mathview#get_height) ^ "\n") ;
+let get_size mathview () =
+ let width, height = mathview#get_size in
+ print_string ("width: " ^ string_of_int width ^ ", height: " ^ string_of_int height ^ "\n") ;
flush stdout
;;
let get_top mathview () =
let (x,y) = mathview#get_top in
- print_string ("get_top: ("^ string_of_int x ^ "," ^ string_of_int y ^ ")\n") ;
+ print_string ("top: ("^ string_of_int x ^ "," ^ string_of_int y ^ ")\n") ;
flush stdout
;;
flush stdout
;;
-let get_hadjustment mathview () =
- let adj = mathview#get_hadjustment in
- adj#set_value ((adj#lower +. adj#upper) /. 2.0) ;
- print_string "get_hadjustment: SEEM TO WORK\n" ;
- flush stdout
-;;
-
-let get_vadjustment mathview () =
- let adj = mathview#get_vadjustment in
- adj#set_value ((adj#lower +. adj#upper) /. 2.0) ;
- print_string "get_vadjustment: SEEM TO WORK\n" ;
+let get_adjustments mathview () =
+ let hadj, vadj = mathview#get_adjustments in
+ hadj#set_value ((hadj#lower +. hadj#upper) /. 2.0) ;
+ vadj#set_value ((vadj#lower +. vadj#upper) /. 2.0) ;
+ print_string "hadjustment: SEEM TO WORK\n" ;
flush stdout
;;
let buffer = mathview#get_buffer in
Gdk.Draw.rectangle buffer (Gdk.GC.create buffer) ~x:0 ~y:0
~width:50 ~height:50 ~filled:true () ;
- print_string "get_buffer: SEEMS TO WORK (hint: force the widget redrawing)\n";
- flush stdout
-;;
-
-let get_frame mathview () =
- let frame = mathview#get_frame in
- frame#set_shadow_type `NONE ;
- print_string "get_frame: SEEMS TO WORK\n" ;
+ print_string "buffer: SEEMS TO WORK (hint: force the widget redrawing)\n";
flush stdout
;;
;;
let get_font_size mathview () =
- print_string ("get_font_size: " ^ string_of_int (mathview#get_font_size) ^ "\n") ;
- flush stdout
-;;
-
-let set_anti_aliasing mathview () =
- mathview#set_anti_aliasing true ;
- print_string "set_anti_aliasing: ON\n" ;
- flush stdout
-;;
-
-let get_anti_aliasing mathview () =
- print_string ("get_anti_aliasing: " ^
- (match mathview#get_anti_aliasing with true -> "ON" | false -> "OFF") ^
- "\n") ;
- flush stdout
-;;
-
-let set_kerning mathview () =
- mathview#set_kerning true ;
- print_string "set_kerning: ON\n" ;
+ print_string ("font_size: " ^ string_of_int (mathview#get_font_size) ^ "\n") ;
flush stdout
;;
-let get_kerning mathview () =
- print_string ("get_kerning: " ^
- (match mathview#get_kerning with true -> "ON" | false -> "OFF") ^
- "\n") ;
- flush stdout
-;;
-
let set_log_verbosity mathview () =
mathview#set_log_verbosity 3 ;
print_string "set_log_verbosity: NOW IS 3\n" ;
;;
let get_log_verbosity mathview () =
- print_string ("get_log_verbosity: " ^
+ print_string ("log_verbosity: " ^
string_of_int mathview#get_log_verbosity ^
"\n") ;
flush stdout
;;
-let export_to_postscript (mathview : GMathView.math_view) () =
- mathview#export_to_postscript ~filename:"test.ps" ();
- print_string "expor_to_postscript: SEEMS TO WORK (hint: look at test.ps)\n";
+let x_coord = ref 0
+;;
+
+(*
+let get_element_at mathview () =
+ begin
+ match mathview#get_element_at !x_coord 10 with
+ None -> print_string ("there is no element at " ^ (string_of_int !x_coord) ^ " 10\n")
+ | Some e -> print_string ("at " ^ (string_of_int !x_coord) ^ " 10 found element " ^ (e#get_nodeName#to_string) ^ "\n")
+ end ;
+ x_coord := !x_coord + 10 ;
flush stdout
;;
-
+*)
+
+let _ = (GtkMain.Main.init ())
+;;
+
(* Widget creation *)
let main_window = GWindow.window ~title:"GtkMathView test" () in
let vbox = GPack.vbox ~packing:main_window#add () in
let sw = GBin.scrolled_window ~width:50 ~height:50 ~packing:vbox#pack () in
-let mathview= GMathView.math_view ~packing:sw#add ~width:50 ~height:50 () in
+let mathview= GMathViewAux.multi_selection_math_view ~packing:sw#add ~width:50 ~height:50 () in
let table = GPack.table ~rows:6 ~columns:5 ~packing:vbox#pack () in
-let button_gtk=GButton.button ~label:"activate Gtk fonts" ~packing:(table#attach ~left:0 ~top:0) () in
let button_load = GButton.button ~label:"load" ~packing:(table#attach ~left:1 ~top:0) () in
let button_unload = GButton.button ~label:"unload" ~packing:(table#attach ~left:2 ~top:0) () in
-let button_get_selection = GButton.button ~label:"get_selection" ~packing:(table#attach ~left:3 ~top:0) () in
+let button_get_document = GButton.button ~label:"get_document" ~packing:(table#attach ~left:1 ~top:1) () in
+let button_selection = GButton.button ~label:"get_selection" ~packing:(table#attach ~left:3 ~top:0) () in
let button_set_selection = GButton.button ~label:"set_selection" ~packing:(table#attach ~left:4 ~top:0) () in
-let button_get_width = GButton.button ~label:"get_width" ~packing:(table#attach ~left:0 ~top:1) () in
-let button_get_height = GButton.button ~label:"get_height" ~packing:(table#attach ~left:1 ~top:1) () in
+let button_add_selection = GButton.button ~label:"add_selection" ~packing:(table#attach ~left:3 ~top:3) () in
+let button_reset_selections = GButton.button ~label:"reset_selections" ~packing:(table#attach ~left:4 ~top:3) () in
+let button_get_size = GButton.button ~label:"get_size" ~packing:(table#attach ~left:0 ~top:1) () in
let button_get_top = GButton.button ~label:"get_top" ~packing:(table#attach ~left:2 ~top:1) () in
let button_set_top = GButton.button ~label:"set_top" ~packing:(table#attach ~left:3 ~top:1) () in
let button_set_adjustments = GButton.button ~label:"set_adjustments" ~packing:(table#attach ~left:4 ~top:1) () in
-let button_get_hadjustment = GButton.button ~label:"get_hadjustment" ~packing:(table#attach ~left:0 ~top:2) () in
-let button_get_vadjustment = GButton.button ~label:"get_vadjustment" ~packing:(table#attach ~left:1 ~top:2) () in
+let button_get_adjustments = GButton.button ~label:"get_adjustments" ~packing:(table#attach ~left:0 ~top:2) () in
let button_get_buffer = GButton.button ~label:"get_buffer" ~packing:(table#attach ~left:2 ~top:2) () in
-let button_get_frame = GButton.button ~label:"get_frame" ~packing:(table#attach ~left:3 ~top:2) () in
let button_set_font_size = GButton.button ~label:"set_font_size" ~packing:(table#attach ~left:4 ~top:2) () in
let button_get_font_size = GButton.button ~label:"get_font_size" ~packing:(table#attach ~left:0 ~top:3) () in
-let button_set_anti_aliasing = GButton.button ~label:"set_anti_aliasing" ~packing:(table#attach ~left:1 ~top:3) () in
-let button_get_anti_aliasing = GButton.button ~label:"get_anti_aliasing" ~packing:(table#attach ~left:2 ~top:3) () in
-let button_set_kerning = GButton.button ~label:"set_kerning" ~packing:(table#attach ~left:3 ~top:3) () in
-let button_get_kerning = GButton.button ~label:"get_kerning" ~packing:(table#attach ~left:4 ~top:3) () in
let button_set_log_verbosity = GButton.button ~label:"set_log_verbosity" ~packing:(table#attach ~left:0 ~top:4) () in
let button_get_log_verbosity = GButton.button ~label:"get_log_verbosity" ~packing:(table#attach ~left:1 ~top:4) () in
-let button_export_to_postscript = GButton.button ~label:"export_to_postscript" ~packing:(table#attach ~left:2 ~top:4) () in
-let button_t1 = GButton.button ~label:"activate T1 fonts" ~packing:(table#attach ~left:3 ~top:4) () in
-let button_get_font_manager_type = GButton.button ~label:"get_font_manager" ~packing:(table#attach ~left:4 ~top:4) () in
+let button_load_dom = GButton.button ~label:"load from DOM" ~packing:(table#attach ~left:2 ~top:5) () in
+(* let button_get_element_at = GButton.button ~label:"get_element_at" ~packing:(table#attach ~left:3 ~top:5) () in *)
(* Signals connection *)
-ignore(button_gtk#connect#clicked (activate_gtk mathview)) ;
-ignore(button_load#connect#clicked (load mathview)) ;
+ignore(button_load#connect#clicked (load_uri mathview)) ;
ignore(button_unload#connect#clicked (unload mathview)) ;
-ignore(button_get_selection#connect#clicked (get_selection mathview)) ;
-ignore(button_set_selection#connect#clicked (set_selection mathview)) ;
-ignore(button_get_width#connect#clicked (get_width mathview)) ;
-ignore(button_get_height#connect#clicked (get_height mathview)) ;
+ignore(button_get_document#connect#clicked (get_document mathview)) ;
+ignore(button_selection#connect#clicked (test_get_selection mathview)) ;
+ignore(button_set_selection#connect#clicked (test_set_selection mathview)) ;
+ignore(button_add_selection#connect#clicked (test_add_selection mathview)) ;
+ignore(button_reset_selections#connect#clicked (test_reset_selections mathview)) ;
+ignore(button_get_size#connect#clicked (get_size mathview)) ;
ignore(button_get_top#connect#clicked (get_top mathview)) ;
ignore(button_set_top#connect#clicked (set_top mathview)) ;
ignore(button_set_adjustments#connect#clicked (set_adjustments mathview)) ;
-ignore(button_get_hadjustment#connect#clicked (get_hadjustment mathview)) ;
-ignore(button_get_vadjustment#connect#clicked (get_vadjustment mathview)) ;
+ignore(button_get_adjustments#connect#clicked (get_adjustments mathview)) ;
ignore(button_get_buffer#connect#clicked (get_buffer mathview)) ;
-ignore(button_get_frame#connect#clicked (get_frame mathview)) ;
ignore(button_set_font_size#connect#clicked (set_font_size mathview)) ;
ignore(button_get_font_size#connect#clicked (get_font_size mathview)) ;
-ignore(button_set_anti_aliasing#connect#clicked (set_anti_aliasing mathview)) ;
-ignore(button_get_anti_aliasing#connect#clicked (get_anti_aliasing mathview)) ;
-ignore(button_set_kerning#connect#clicked (set_kerning mathview)) ;
-ignore(button_get_kerning#connect#clicked (get_kerning mathview)) ;
ignore(button_set_log_verbosity#connect#clicked (set_log_verbosity mathview)) ;
ignore(button_get_log_verbosity#connect#clicked (get_log_verbosity mathview)) ;
-ignore(button_export_to_postscript#connect#clicked (export_to_postscript mathview)) ;
-ignore(button_t1#connect#clicked (activate_t1 mathview)) ;
-ignore(button_get_font_manager_type#connect#clicked (get_font_manager_type mathview)) ;
-ignore(mathview#connect#jump jump) ;
-ignore(mathview#connect#clicked clicked) ;
-ignore(mathview#connect#selection_changed (selection_changed mathview)) ;
+ignore(mathview#connect#click (click mathview)) ;
+ignore(mathview#connect#selection_changed (selection_changed mathview));
+ignore(mathview#connect#element_over (element_over mathview)) ;
+ignore(mathview#connect#select_over (select_over mathview));
+ignore(button_load_dom#connect#clicked (load_doc mathview)) ;
+ignore(main_window#connect#destroy (fun _ -> GMain.quit ()));
+(* ignore(button_get_element_at#connect#clicked (get_element_at mathview)) ; *)
(* Main Loop *)
main_window#show () ;
GMain.Main.main ()
projects / helm.git / blobdiff