(******************************************************************************)
(* 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) =
+ print_endline ("selection_changed: " ^
+ (match element with
+ None -> "selection_changed on nothing"
+ | Some element -> element#get_tagName#to_string
+ )
+ ) ;
+ mathview#set_selection element;
+ 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_changed mathview (element : Gdome.element option) =
+ print_endline ("element_changed: " ^
+ (match element with
+ None -> "element_changed on nothing"
+ | Some element -> element#get_tagName#to_string
+ )
+ ) ;
+ 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 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 clicked (mathview : GMathView.math_view) (element : Gdome.element) =
+ let module G = Gdome in
+ if not (jump element) then
+ match mathview#get_action with
+ Some n ->
+ mathview#action_toggle ;
+ print_string ("current action selection: " ^
+ string_of_int mathview#action_get_selected ^ "\n") ;
+ flush stdout ;
+ | None ->
+ print_string ("mouse is on: " ^
+ (match (mathview#get_element : Gdome.element option) with
+ Some e -> e#get_tagName#to_string
+ | None -> "NO ELEMENT!\n"
+ ) ^ "\n") ;
+ print_endline ("clicked: " ^ element#get_tagName#to_string) ;
+ flush stdout
;;
-let activate_t1 mathview () =
+let activate_t1 (mathview : GMathView.math_view) () =
mathview#set_font_manager_type `font_manager_t1;
print_string "WIDGET SET WITH T1 FONTS\n" ;
flush stdout
;;
-let activate_gtk mathview () =
- mathview#set_font_manager_type `font_manager_gtk;
+let activate_gtk (mathview : GMathView.math_view) () =
+ mathview#set_font_manager_type `font_manager_gtk ;
print_string "WIDGET SET WITH GTK FONTS\n" ;
flush stdout
;;
flush stdout
;;
-let load mathview () =
+let get_transparency mathview () =
+ print_string ("CURRENT TRANSPARENCY: " ^
+ (if mathview#get_transparency then "ON" else "OFF") ^ "\n") ;
+ flush stdout
+;;
+
+let set_transparency mathview () =
+ mathview#set_transparency (not mathview#get_transparency) ;
+ print_string "TRANSPARENCY CHANGED\n" ;
+ flush stdout
+;;
+
+
+let load (mathview : GMathView.math_view) () =
mathview#load "test.xml" ;
print_string "load: 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 load_dom (mathview : GMathView.math_view) () =
+ mathview#load_tree ((Gdome.domImplementation ())#createDocumentFromURI ~uri:"test.xml" ()) ;
+ print_string "load from DOM: SEEMS TO WORK\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
- | None ->
- mathview#set_selection None;
- print_string "no selection\n"
- end ;
+let get_selection (mathview : GMathView.math_view) () =
+ let selection =
+ match mathview#get_selection with
+ Some element -> element#get_tagName#to_string
+ | None -> "no selection!"
+ in
+ print_string ("get_selection: " ^ selection ^ "\n") ;
flush stdout
;;
+let set_selection (mathview : GMathView.math_view) () =
+ 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
+;;
+
let unload mathview () =
mathview#unload ;
print_string "unload: SEEMS TO WORK\n" ;
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_get_transparency = GButton.button ~label:"get_transparency" ~packing:(table#attach ~left:0 ~top:5) () in
+let button_set_transparency = GButton.button ~label:"set_transparency" ~packing:(table#attach ~left:1 ~top:5) () in
+let button_load_dom = GButton.button ~label:"load from DOM" ~packing:(table#attach ~left:2 ~top:5) () in
(* Signals connection *)
ignore(button_gtk#connect#clicked (activate_gtk mathview)) ;
ignore(button_load#connect#clicked (load 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(button_get_transparency#connect#clicked (get_transparency mathview)) ;
+ignore(button_set_transparency#connect#clicked (set_transparency mathview)) ;
+ignore(mathview#connect#clicked (clicked mathview)) ;
ignore(mathview#connect#selection_changed (selection_changed mathview)) ;
+ignore(mathview#connect#element_changed (element_changed mathview)) ;
+ignore(button_load_dom#connect#clicked (load_dom mathview)) ;
(* Main Loop *)
main_window#show () ;
GMain.Main.main ()
projects / helm.git / blobdiff