X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2FDEVEL%2Flablgtkmathview%2Ftest%2Ftest.ml;h=936f962b596016dbbb8941c459e5b11a2c0395f4;hb=3c7ca719c304eb7de7d8d4e9a90ebe0db8d8ecab;hp=61dd0370cbc7a84f0c677d2d43a69f31a76fc262;hpb=5a7485a8f24e457fd4cc091f24c48f3cb8d11fca;p=helm.git

diff --git a/helm/DEVEL/lablgtkmathview/test/test.ml b/helm/DEVEL/lablgtkmathview/test/test.ml
index 61dd0370c..936f962b5 100644
--- a/helm/DEVEL/lablgtkmathview/test/test.ml
+++ b/helm/DEVEL/lablgtkmathview/test/test.ml
@@ -1,4 +1,5 @@
-(* 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.
@@ -28,22 +29,69 @@
 (*                             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 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
   )
  ) ;
- mathview#set_selection element;
+ match element with
+   None -> ()
+ | Some el -> aux el;
  flush stdout
 ;;
 
-let element_changed mathview (element : Gdome.element option) =
- print_endline ("element_changed: " ^
+let element_over mathview (element : Gdome.element option) _ =
+ print_endline ("element_over: " ^
   (match element with
-      None -> "element_changed on nothing"
+      None -> "element_over on nothing"
     | Some element -> element#get_tagName#to_string
   )
  ) ;
@@ -74,34 +122,53 @@ let rec jump (element : Gdome.element) =
     end
 ;;
 
-let clicked (mathview : GMathView.math_view) (element : Gdome.element) =
+let rec action mathview (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
+  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 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_t1 (mathview : GMathView.math_view) () =
- mathview#set_font_manager_type `font_manager_t1;
+let activate_t1 mathview () =
+ mathview#set_font_manager_type ~fm_type:`font_manager_t1;
  print_string "WIDGET SET WITH T1 FONTS\n" ;
  flush stdout
 ;;
 
-let activate_gtk (mathview : GMathView.math_view) () =
- mathview#set_font_manager_type `font_manager_gtk ;
+let activate_gtk mathview () =
+ mathview#set_font_manager_type ~fm_type:`font_manager_gtk ;
  print_string "WIDGET SET WITH GTK FONTS\n" ;
  flush stdout
 ;;
@@ -130,19 +197,19 @@ let set_transparency mathview () =
 ;;
 
 
-let load (mathview : GMathView.math_view) () =
- mathview#load "test.xml" ;
+let load_uri mathview () =
+ mathview#load_uri ~filename:"test.xml" ;
  print_string "load: SEEMS TO WORK\n" ;
  flush stdout
 ;;
 
-let load_dom (mathview : GMathView.math_view) () =
- mathview#load_tree ((Gdome.domImplementation ())#createDocumentFromURI ~uri:"test.xml" ~mode:0) ;
+let load_doc mathview () =
+ mathview#load_doc ~dom:((Gdome.domImplementation ())#createDocumentFromURI ~uri:"test.xml" ()) ;
  print_string "load from DOM: SEEMS TO WORK\n" ;
  flush stdout
 ;;
 
-let get_selection (mathview : GMathView.math_view) () =
+let test_get_selection mathview () =
  let selection =
    match mathview#get_selection with
       Some element -> element#get_tagName#to_string
@@ -152,7 +219,7 @@ let get_selection (mathview : GMathView.math_view) () =
   flush stdout
 ;;
 
-let set_selection (mathview : GMathView.math_view) () =
+let test_set_selection mathview () =
  begin
    match mathview#get_selection with
       Some element -> 
@@ -176,6 +243,20 @@ let set_selection (mathview : GMathView.math_view) () =
  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 unload mathview () =
  mathview#unload ;
  print_string "unload: SEEMS TO WORK\n" ;
@@ -267,6 +348,7 @@ let get_anti_aliasing mathview () =
  flush stdout
 ;;
  
+ (*
 let set_kerning mathview () =
  mathview#set_kerning true ;
  print_string "set_kerning: ON\n" ;
@@ -279,6 +361,7 @@ let get_kerning mathview () =
   "\n") ;
  flush stdout
 ;;
+*)
 
 let set_log_verbosity mathview () =
  mathview#set_log_verbosity 3 ;
@@ -293,23 +376,46 @@ let get_log_verbosity mathview () =
  flush stdout
 ;;
 
-let export_to_postscript (mathview : GMathView.math_view) () =
+let export_to_postscript (mathview : GMathViewAux.multi_selection_math_view) () =
  mathview#export_to_postscript ~filename:"test.ps" ();
  print_string "expor_to_postscript: SEEMS TO WORK (hint: look at test.ps)\n";
  flush stdout
 ;;
  
+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 get_drawing_area mathview () =
+ begin
+  let da = mathview#get_drawing_area in
+  print_string ("don't know what to do with the drawing area\n")
+ end ;
+ flush stdout
+;;
+
 (* 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_set_selection = GButton.button ~label:"set_selection" ~packing:(table#attach ~left:4 ~top:0) () 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_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_get_top = GButton.button ~label:"get_top" ~packing:(table#attach ~left:2 ~top:1) () in
@@ -323,8 +429,6 @@ let button_set_font_size = GButton.button ~label:"set_font_size" ~packing:(table
 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
@@ -333,12 +437,16 @@ let button_get_font_manager_type = GButton.button ~label:"get_font_manager" ~pac
 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
+let button_get_element_at = GButton.button ~label:"get_element_at" ~packing:(table#attach ~left:3 ~top:5) () in
+let button_get_drawing_area = GButton.button ~label:"get_drawing_area" ~packing:(table#attach ~left:4 ~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_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_width#connect#clicked (get_width mathview)) ;
 ignore(button_get_height#connect#clicked (get_height mathview)) ;
 ignore(button_get_top#connect#clicked (get_top mathview)) ;
@@ -352,8 +460,6 @@ 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)) ;
@@ -361,10 +467,12 @@ ignore(button_t1#connect#clicked (activate_t1 mathview)) ;
 ignore(button_get_font_manager_type#connect#clicked (get_font_manager_type mathview)) ;
 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)) ;
+ignore(mathview#connect#click (click mathview)) ;
+ignore(mathview#connect#selection_changed (selection_changed mathview));
+ignore(mathview#connect#element_over (element_over mathview)) ;
+ignore(button_load_dom#connect#clicked (load_doc mathview)) ;
+ignore(button_get_element_at#connect#clicked (get_element_at mathview)) ;
+ignore(button_get_drawing_area#connect#clicked (get_drawing_area mathview)) ;
 (* Main Loop *)
 main_window#show () ;
 GMain.Main.main ()