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(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016 *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
class type message_view_signals =
object
inherit GObj.misc_signals
inherit GUtil.add_ml_signals
method pushed : callback:(Pp.message_level -> string -> unit) -> GtkSignal.id
end
class message_view_signals_impl obj (pushed : 'a GUtil.signal) : message_view_signals =
object
val after = false
inherit GObj.misc_signals obj
inherit GUtil.add_ml_signals obj [pushed#disconnect]
method pushed ~callback = pushed#connect ~after ~callback:(fun (lvl, s) -> callback lvl s)
end
class type message_view =
object
inherit GObj.widget
method connect : message_view_signals
method clear : unit
method add : string -> unit
method set : string -> unit
method push : Pp.message_level -> string -> unit
(** same as [add], but with an explicit level instead of [Notice] *)
method buffer : GText.buffer
(** for more advanced text edition *)
method modify_font : Pango.font_description -> unit
method refresh_color : unit -> unit
end
let message_view () : message_view =
let buffer = GSourceView2.source_buffer
~highlight_matching_brackets:true
~tag_table:Tags.Message.table ()
in
let text_buffer = new GText.buffer buffer#as_buffer in
let box = GPack.vbox () in
let scroll = GBin.scrolled_window
~vpolicy:`AUTOMATIC ~hpolicy:`AUTOMATIC ~packing:(box#pack ~expand:true) () in
let view = GSourceView2.source_view
~source_buffer:buffer ~packing:scroll#add
~editable:false ~cursor_visible:false ~wrap_mode:`WORD ()
in
let () = Gtk_parsing.fix_double_click view in
let default_clipboard = GData.clipboard Gdk.Atom.primary in
let _ = buffer#add_selection_clipboard default_clipboard in
let () = view#set_left_margin 2 in
object (self)
inherit GObj.widget box#as_widget
val push = new GUtil.signal ()
method connect =
new message_view_signals_impl box#as_widget push
method clear =
buffer#set_text ""
method push level msg =
let tags = match level with
| Pp.Error -> [Tags.Message.error]
| Pp.Warning -> [Tags.Message.warning]
| _ -> []
in
if msg <> "" then begin
buffer#insert ~tags msg;
buffer#insert ~tags "\n";
push#call (level, msg)
end
method add msg = self#push Pp.Notice msg
method set msg = self#clear; self#add msg
method buffer = text_buffer
method modify_font fd = view#misc#modify_font fd
method refresh_color () =
let open Preferences in
let clr = Tags.color_of_string current.background_color in
view#misc#modify_base [`NORMAL, `COLOR clr]
end
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