-(* 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.classe = `math_view;
+ { S.name = "select_end"; S.classe = `math_view;
S.marshaller = new_marshaller }
in
- GtkSignal.connect ~sgn:new_clicked obj ~after
- method press_move =
+ GtkSignal.connect ~sgn:new_select_end obj ~after
+ method select_abort =
let module S = GtkSignal in
- let new_press_move =
+ let new_select_abort =
let new_marshaller f x y =
- MathView.Signals.press_move.S.marshaller
- (fun x y ->
- let option_element_of_option v =
- match v with
- None -> None
- | Some v' -> Some (new Gdome.element v')
- in
- f (option_element_of_option x) (option_element_of_option y)) x y
+ MathView.Signals.select_abort.S.marshaller
+ (fun () -> f ()) x y
in
- { S.name = "press_move"; S.classe = `math_view;
+ { S.name = "select_abort"; S.classe = `math_view;
S.marshaller = new_marshaller }
in
- GtkSignal.connect ~sgn:new_press_move 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.classe = `math_view;
+ { 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_skel obj = object
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