-(* 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.
exception ErrorLoadingDOM;;
exception NoSelection;;
+let option_element_of_option =
+ function
+ None -> None
+ | Some v -> Some (new Gdome.element v)
+
class math_view_signals obj = object
inherit GContainer.container_signals obj
- method clicked =
+ method click =
+ let module S = GtkSignal in
+ let new_click =
+ let new_marshaller f x y =
+ MathView.Signals.click.S.marshaller
+ (fun e s -> f (option_element_of_option e) s) x y
+ in
+ { S.name = "click"; S.classe = `math_view;
+ S.marshaller = new_marshaller }
+ in
+ GtkSignal.connect ~sgn:new_click obj ~after
+ method select_begin =
+ let module S = GtkSignal in
+ let new_select_begin =
+ let new_marshaller f x y =
+ MathView.Signals.select_begin.S.marshaller
+ (fun e s -> f (option_element_of_option e) s) x y
+ in
+ { S.name = "select_begin"; S.classe = `math_view;
+ S.marshaller = new_marshaller }
+ in
+ GtkSignal.connect ~sgn:new_select_begin obj ~after
+ method select_over =
+ let module S = GtkSignal in
+ let new_select_over =
+ let new_marshaller f x y =
+ MathView.Signals.select_over.S.marshaller
+ (fun e s -> f (option_element_of_option e) s) x y
+ in
+ { S.name = "select_over"; S.classe = `math_view;
+ S.marshaller = new_marshaller }
+ in
+ GtkSignal.connect ~sgn:new_select_over obj ~after
+ method select_end =
let module S = GtkSignal in
- let new_clicked =
+ let new_select_end =
let new_marshaller f x y =
- MathView.Signals.clicked.S.marshaller
- (fun e -> f (new Gdome.element e)) x y
+ MathView.Signals.select_end.S.marshaller
+ (fun e s -> f (option_element_of_option e) s) x y
in
- { S.name = "clicked"; S.marshaller = new_marshaller }
+ { S.name = "select_end"; S.classe = `math_view;
+ S.marshaller = new_marshaller }
in
- GtkSignal.connect ~sgn:new_clicked obj ~after
- method selection_changed =
+ GtkSignal.connect ~sgn:new_select_end obj ~after
+ method select_abort =
let module S = GtkSignal in
- let new_selection_changed =
+ let new_select_abort =
let new_marshaller f x y =
- MathView.Signals.selection_changed.S.marshaller
- (function None -> f None | Some e -> f (Some (new Gdome.element e))) x y
+ MathView.Signals.select_abort.S.marshaller
+ (fun () -> f ()) x y
in
- { S.name = "selection_changed"; S.marshaller = new_marshaller }
+ { S.name = "select_abort"; S.classe = `math_view;
+ S.marshaller = new_marshaller }
in
- GtkSignal.connect ~sgn:new_selection_changed obj ~after
- method element_changed =
+ GtkSignal.connect ~sgn:new_select_abort obj ~after
+ method element_over =
let module S = GtkSignal in
- let new_element_changed =
+ let new_element_over =
let new_marshaller f x y =
- MathView.Signals.element_changed.S.marshaller
- (function None -> f None | Some e -> f (Some (new Gdome.element e))) x y
+ MathView.Signals.element_over.S.marshaller
+ (fun e s -> f (option_element_of_option e) s) x y
in
- { S.name = "element_changed"; S.marshaller = new_marshaller }
+ { S.name = "element_over"; S.classe = `math_view;
+ S.marshaller = new_marshaller }
in
- GtkSignal.connect ~sgn:new_element_changed obj ~after
+ GtkSignal.connect ~sgn:new_element_over obj ~after
end
-class math_view obj = object
+class math_view_skel obj = object
inherit GContainer.container (obj : Gtk_mathview.math_view obj)
- method connect = new math_view_signals obj
- method load ~filename =
- if not (MathView.load obj ~filename) then raise (ErrorLoadingFile filename)
- method load_tree ~dom =
- if not (MathView.load_tree obj ~dom:((dom : Gdome.document)#as_Document)) then
+ method freeze = MathView.freeze obj
+ method thaw = MathView.thaw obj
+ method load_uri ~filename =
+ if not (MathView.load_uri obj ~filename) then raise (ErrorLoadingFile filename)
+ method load_doc ~dom =
+ if not (MathView.load_doc obj ~dom:((dom : Gdome.document)#as_Document)) then
raise ErrorLoadingDOM
method unload = MathView.unload obj
- method get_selection =
- match MathView.get_selection obj with
- None -> None
- | Some element -> Some (new Gdome.element element)
- method set_selection element =
- let element =
- match element with
- None -> None
- | Some element -> Some ((element : Gdome.element)#as_Element)
- in
- MathView.set_selection obj element
+ method select element = MathView.select obj ((element : Gdome.element)#as_Element)
+ method unselect element = MathView.unselect obj ((element : Gdome.element)#as_Element)
+ method is_selected element = MathView.is_selected obj ((element : Gdome.element)#as_Element)
+ method get_element_at x y = option_element_of_option (MathView.get_element_at obj x y)
method get_width = MathView.get_width obj
method get_height = MathView.get_height obj
method get_top = MathView.get_top obj
method get_vadjustment = new GData.adjustment (MathView.get_vadjustment obj)
method get_buffer = MathView.get_buffer obj
method get_frame = new GBin.frame (MathView.get_frame obj)
+ method get_drawing_area = new GMisc.drawing_area (MathView.get_drawing_area obj)
method set_font_size = MathView.set_font_size obj
method get_font_size = MathView.get_font_size obj
method set_anti_aliasing = MathView.set_anti_aliasing obj
method get_anti_aliasing = MathView.get_anti_aliasing obj
- method set_kerning = MathView.set_kerning obj
- method get_kerning = MathView.get_kerning obj
method set_transparency = MathView.set_transparency obj
method get_transparency = MathView.get_transparency obj
method set_log_verbosity = MathView.set_log_verbosity obj
if not result then raise (ErrorWritingFile filename)
method get_font_manager_type = MathView.get_font_manager_type obj
method set_font_manager_type ~fm_type = MathView.set_font_manager_type obj ~fm_type
- method get_element =
- match MathView.get_element obj with
- None -> None
- | Some element -> Some (new Gdome.element element)
- method action_get_selected = MathView.action_get_selected obj
- method action_set_selected = MathView.action_set_selected obj
- method get_action =
- match MathView.get_action obj with
- None -> None
- | Some ac -> Some (new Gdome.element ac)
- method action_toggle = MathView.action_toggle obj
+end
+
+class math_view obj = object
+ inherit math_view_skel (obj : Gtk_mathview.math_view obj)
+ method connect = new math_view_signals obj
end
let math_view ?adjustmenth ?adjustmentv ?font_size ?font_manager ?border_width