+++ /dev/null
-(* 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.
- *
- * lablgtkmathview 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.
- *
- * lablgtkmathview 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 lablgtkmathview; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * For details, send a mail to the author.
- *)
-
-(******************************************************************************)
-(* Claudio Sacerdoti Coen <sacerdot@cs.unibo.it> *)
-(* 25/09/2000 *)
-(* *)
-(* This is a simple test for the OCaml (LablGtk indeed) binding of the *)
-(* 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
- )
- ) ;
- match element with
- None -> ()
- | Some el -> aux el;
- 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 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 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 load_uri mathview () =
- mathview#load_uri ~filename:"test.xml" ;
- print_string "load: SEEMS TO WORK\n" ;
- flush stdout
-;;
-
-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 test_get_selection mathview () =
- let selection =
- match mathview#get_selection with
- Some element -> element#get_tagName#to_string
- | None -> "no selection!"
- in
- print_string ("selection: " ^ selection ^ "\n") ;
- flush stdout
-;;
-
-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
-;;
-
-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" ;
- flush stdout
-;;
-
-let get_width mathview () =
- print_string ("width: " ^ string_of_int (mathview#get_width) ^ "\n") ;
- flush stdout
-;;
-
-let get_height mathview () =
- print_string ("height: " ^ string_of_int (mathview#get_height) ^ "\n") ;
- flush stdout
-;;
-
-let get_top mathview () =
- let (x,y) = mathview#get_top in
- print_string ("top: ("^ string_of_int x ^ "," ^ string_of_int y ^ ")\n") ;
- flush stdout
-;;
-
-let set_top mathview () =
- mathview#set_top 0 0;
- print_string "set_top: SEEM TO WORK\n" ;
- flush stdout
-;;
-
-let set_adjustments mathview () =
- let adj1 = GData.adjustment () in
- let adj2 = GData.adjustment () in
- mathview#set_adjustments adj1 adj2 ;
- adj1#set_value ((adj1#lower +. adj1#upper) /. 2.0) ;
- adj2#set_value ((adj2#lower +. adj2#upper) /. 2.0) ;
- print_string "set_adjustments: SEEM TO WORK\n" ;
- flush stdout
-;;
-
-let get_hadjustment mathview () =
- let adj = mathview#get_hadjustment in
- adj#set_value ((adj#lower +. adj#upper) /. 2.0) ;
- print_string "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 "vadjustment: SEEM TO WORK\n" ;
- flush stdout
-;;
-
-let get_buffer mathview () =
- 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 "buffer: SEEMS TO WORK (hint: force the widget redrawing)\n";
- flush stdout
-;;
-
-let set_font_size mathview () =
- mathview#set_font_size 24 ;
- print_string "set_font_size: FONT IS NOW 24\n" ;
- flush stdout
-;;
-
-let get_font_size mathview () =
- print_string ("font_size: " ^ string_of_int (mathview#get_font_size) ^ "\n") ;
- flush stdout
-;;
-
-let set_log_verbosity mathview () =
- mathview#set_log_verbosity 3 ;
- print_string "set_log_verbosity: NOW IS 3\n" ;
- flush stdout
-;;
-
-let get_log_verbosity mathview () =
- print_string ("log_verbosity: " ^
- string_of_int mathview#get_log_verbosity ^
- "\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= 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_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_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
-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_buffer = GButton.button ~label:"get_buffer" ~packing:(table#attach ~left:2 ~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_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_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_load#connect#clicked (load_uri mathview)) ;
-ignore(button_unload#connect#clicked (unload 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_width#connect#clicked (get_width mathview)) ;
-ignore(button_get_height#connect#clicked (get_height 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_buffer#connect#clicked (get_buffer 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_log_verbosity#connect#clicked (set_log_verbosity mathview)) ;
-ignore(button_get_log_verbosity#connect#clicked (get_log_verbosity 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 ()
-;;
projects / helm.git / blobdiff