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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 *)
(************************************************************************)
open Preferences
class type message_view_signals =
object
inherit GObj.misc_signals
inherit GUtil.add_ml_signals
method pushed : callback:Ideutils.logger -> 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 : Richpp.richpp -> unit
method add_string : string -> unit
method set : Richpp.richpp -> unit
method push : Ideutils.logger
(** same as [add], but with an explicit level instead of [Notice] *)
method buffer : GText.buffer
(** for more advanced text edition *)
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 mark = buffer#create_mark ~left_gravity:false buffer#start_iter 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
view#misc#show ();
let cb clr = view#misc#modify_base [`NORMAL, `NAME clr] in
let _ = background_color#connect#changed cb in
let _ = view#misc#connect#realize (fun () -> cb background_color#get) in
let cb ft = view#misc#modify_font (Pango.Font.from_string ft) in
stick text_font view cb;
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 "";
buffer#move_mark (`MARK mark) ~where:buffer#start_iter
method push level msg =
let tags = match level with
| Feedback.Error -> [Tags.Message.error]
| Feedback.Warning -> [Tags.Message.warning]
| _ -> []
in
let rec non_empty = function
| Xml_datatype.PCData "" -> false
| Xml_datatype.PCData _ -> true
| Xml_datatype.Element (_, _, children) -> List.exists non_empty children
in
if non_empty (Richpp.repr msg) then begin
let mark = `MARK mark in
Ideutils.insert_xml ~mark buffer ~tags msg;
buffer#insert ~iter:(buffer#get_iter_at_mark mark) "\n";
push#call (level, msg)
end
method add msg = self#push Feedback.Notice msg
method add_string s = self#add (Richpp.richpp_of_string s)
method set msg = self#clear; self#add msg
method buffer = text_buffer
end
|
