liblablgtk2-ocaml-dev 2.18.3+dfsg-1build1 / usr / lib / ocaml / lablgtk2 / glib.ml

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(**************************************************************************)
(*                Lablgtk                                                 *)
(*                                                                        *)
(*    This program is free software; you can redistribute it              *)
(*    and/or modify it under the terms of the GNU Library General         *)
(*    Public License as published by the Free Software Foundation         *)
(*    version 2, with the exception described in file COPYING which       *)
(*    comes with the library.                                             *)
(*                                                                        *)
(*    This program 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 Library General Public License for more details.                *)
(*                                                                        *)
(*    You should have received a copy of the GNU Library General          *)
(*    Public License along with this program; if not, write to the        *)
(*    Free Software Foundation, Inc., 59 Temple Place, Suite 330,         *)
(*    Boston, MA 02111-1307  USA                                          *)
(*                                                                        *)
(*                                                                        *)
(**************************************************************************)

(* $Id$ *)

type unichar = int
type unistring = unichar array

exception GError of string
external _init : unit -> unit = "ml_glib_init"
let () =  _init () ; Callback.register_exception "gerror" (GError "")

module Main = struct
  type t
  external create : bool -> t = "ml_g_main_new"
  external iteration : bool -> bool = "ml_g_main_iteration"
  external pending : unit -> bool = "ml_g_main_pending"
  external is_running : t -> bool = "ml_g_main_is_running"
  external quit : t -> unit = "ml_g_main_quit"
  external destroy : t -> unit = "ml_g_main_destroy"
  type locale_category =
    [ `ALL | `COLLATE | `CTYPE | `MESSAGES | `MONETARY | `NUMERIC | `TIME ]
  external setlocale : locale_category -> string option -> string 
    = "ml_setlocale"
  external wrap_poll_func : unit -> unit = "ml_g_wrap_poll_func"
end

let int_of_priority = function
  | `HIGH -> -100
  | `DEFAULT -> 0
  | `HIGH_IDLE -> 100
  | `DEFAULT_IDLE -> 200
  | `LOW -> 300

module Timeout = struct
  type id
  external add : ?prio:int -> ms:int -> callback:(unit -> bool) -> id
    = "ml_g_timeout_add"
  let add = add ?prio:None
  external remove : id -> unit = "ml_g_source_remove"
end

module Idle = struct
  type id
  external add : ?prio:int -> (unit -> bool) -> id
    = "ml_g_idle_add"
  external remove : id -> unit = "ml_g_source_remove"
end

module Io = struct
  type channel
  type condition = [ `IN | `OUT | `PRI | `ERR | `HUP | `NVAL ]
  type id
  external channel_of_descr : Unix.file_descr -> channel
    = "ml_g_io_channel_unix_new"
  external remove : id -> unit = "ml_g_source_remove"
  external add_watch :
    cond:condition list -> callback:(condition list -> bool) -> ?prio:int -> channel -> id
    = "ml_g_io_add_watch"
  external read : channel -> buf:string -> pos:int -> len:int -> int
    = "ml_g_io_channel_read"
  external read_chars : channel -> buf:string -> pos:int -> len:int -> int
    = "ml_g_io_channel_read_chars"
end

module Message = struct
  type log_level =
    [ `ERROR | `CRITICAL | `WARNING | `MESSAGE | `INFO | `DEBUG
    | `FLAG_RECURSION | `FLAG_FATAL ]
  external _log_level : log_level -> int = "ml_Log_level_val"
  let log_level = function
    | `CUSTOM i -> i lsl 8
    | #log_level as level -> _log_level level

  let int_of_log_levels levels =
    List.fold_left (fun acc lev -> acc lor (log_level lev)) 0 levels

  type log_handler
  external _set_log_handler :
    ?domain:string -> levels:int -> (level:int -> string -> unit) -> log_handler
    = "ml_g_log_set_handler"
  let set_log_handler ?domain ~levels f =
    _set_log_handler ?domain ~levels:(int_of_log_levels levels) f

  external remove_log_handler : log_handler -> unit
    = "ml_g_log_remove_handler"

  external _set_always_fatal : int -> unit = "ml_g_log_set_always_fatal"
  let set_always_fatal (levels : log_level list) = 
    _set_always_fatal (int_of_log_levels levels)

  external _set_fatal_mask : ?domain:string -> int -> unit = "ml_g_log_set_fatal_mask"
  let set_fatal_mask ?domain levels =
    _set_fatal_mask ?domain (int_of_log_levels levels)

  external _log : string -> int -> string -> unit = "ml_g_log"
  let log ?(domain="") level fmt =
    Printf.kprintf (_log domain (log_level level)) fmt
end

(*    
module Thread = struct
  external init : unit -> unit = "ml_g_thread_init"
      (* Call only once! *)
  external enter : unit -> unit = "ml_gdk_threads_enter"
  external leave : unit -> unit = "ml_gdk_threads_leave"
end
*)

module Convert = struct
  type error = 
    | NO_CONVERSION
    | ILLEGAL_SEQUENCE
    | FAILED
    | PARTIAL_INPUT
    | BAD_URI
    | NOT_ABSOLUTE_PATH
  exception Error of error * string
  let () = Callback.register_exception "g_convert_error" (Error (NO_CONVERSION, ""))
  external convert :
    string -> to_codeset:string -> from_codeset:string -> string
    = "ml_g_convert"
  external convert_with_fallback :
    ?fallback:string -> to_codeset:string -> from_codeset:string -> string -> string
    = "ml_g_convert_with_fallback"

(* [get_charset ()] returns the pair [u,s] where [u] is true if the
   current charset is UTF-8 encoded and [s] is the charset name. *)
  external get_charset : unit -> bool * string = "ml_g_get_charset"

  external utf8_validate : string -> bool = "ml_g_utf8_validate"

  let raise_bad_utf8 () = 
    raise (Error (ILLEGAL_SEQUENCE, "Invalid byte sequence for UTF-8 string"))

  let locale_from_utf8 s =
    match get_charset () with
    | (true, _) -> 
	if utf8_validate s 
	then s 
	else raise_bad_utf8 ()
    | (false, to_codeset) ->
	convert s ~to_codeset ~from_codeset:"UTF-8"

  let locale_to_utf8 s =
    match get_charset () with
    | (true, _) -> 
	if utf8_validate s 
	then s 
	else raise_bad_utf8 ()
    | (false, from_codeset) ->
	convert s ~to_codeset:"UTF-8" ~from_codeset

  external filename_from_utf8 : string -> string
    = "ml_g_filename_from_utf8"
  external filename_to_utf8 : string -> string
    = "ml_g_filename_to_utf8"
	  
  external filename_from_uri : string -> string option * string
    = "ml_g_filename_from_uri"
  external filename_to_uri : ?hostname:string -> string -> string
    = "ml_g_filename_to_uri"
end

module Unichar = struct
  external to_lower : unichar -> unichar = "ml_g_unichar_tolower"
  external to_upper : unichar -> unichar = "ml_g_unichar_toupper"
  external to_title : unichar -> unichar = "ml_g_unichar_totitle"

  external digit_value : unichar -> int = "ml_g_unichar_digit_value"
  external xdigit_value : unichar -> int = "ml_g_unichar_xdigit_value"

  external validate : unichar -> bool = "ml_g_unichar_validate" "noalloc"
  external isalnum : unichar -> bool = "ml_g_unichar_isalnum"
  external isalpha : unichar -> bool = "ml_g_unichar_isalpha"
  external iscntrl : unichar -> bool = "ml_g_unichar_iscntrl"
  external isdigit : unichar -> bool = "ml_g_unichar_isdigit"
  external isgraph : unichar -> bool = "ml_g_unichar_isgraph"
  external islower : unichar -> bool = "ml_g_unichar_islower"
  external isprint : unichar -> bool = "ml_g_unichar_isprint"
  external ispunct : unichar -> bool = "ml_g_unichar_ispunct"
  external isspace : unichar -> bool = "ml_g_unichar_isspace"
  external isupper : unichar -> bool = "ml_g_unichar_isupper"
  external isxdigit : unichar -> bool = "ml_g_unichar_isxdigit"
  external istitle : unichar -> bool = "ml_g_unichar_istitle"
  external isdefined : unichar -> bool = "ml_g_unichar_isdefined"
  external iswide : unichar -> bool = "ml_g_unichar_iswide"
end

module Utf8 = struct
  include Gutf8

  external validate : string -> bool = "ml_g_utf8_validate"
  external length : string -> int = "ml_g_utf8_strlen"

  external offset_to_pos : string -> pos:int -> off:int -> int
      = "ml_g_utf8_offset_to_pointer" "noalloc"

  external uppercase : string -> string = "ml_g_utf8_strup"
  external lowercase : string -> string = "ml_g_utf8_strdown"

  type normalize_mode = [ `DEFAULT | `DEFAULT_COMPOSE | `ALL | `ALL_COMPOSE ]
  external normalize : string -> normalize_mode -> string
      = "ml_g_utf8_normalize"

  external casefold : string -> string = "ml_g_utf8_casefold"
  external collate : string -> string -> int = "ml_g_utf8_collate"
  external collate_key : string -> string = "ml_g_utf8_collate_key"
end

module Markup = struct
  type error =
    | BAD_UTF8
    | EMPTY
    | PARSE
    | UNKNOWN_ELEMENT
    | UNKNOWN_ATTRIBUTE
    | INVALID_CONTENT
  exception Error of error * string
  let () = Callback.register_exception "g_markup_error" (Error (BAD_UTF8, ""))
  external escape_text : string -> string = "ml_g_markup_escape_text"
end

external get_prgname : unit -> string = "ml_g_get_prgname"
external set_prgname : string -> unit = "ml_g_set_prgname"
external get_application_name : unit -> string = "ml_g_get_application_name"
external set_application_name : string -> unit = "ml_g_set_application_name"

external get_user_name : unit -> string = "ml_g_get_user_name"
external get_real_name : unit -> string = "ml_g_get_real_name"

external get_home_dir : unit -> string option = "ml_g_get_home_dir"
external get_tmp_dir  : unit -> string = "ml_g_get_tmp_dir"
external find_program_in_path : string -> string = "ml_g_find_program_in_path"

external getenv : string -> string = "ml_g_getenv"
external setenv : string -> string -> bool -> unit = "ml_g_setenv"
external unsetenv : string -> unit = "ml_g_unsetenv"

external get_user_cache_dir : unit -> string = "ml_g_get_user_cache_dir"
external get_user_data_dir : unit -> string = "ml_g_get_user_data_dir"
external get_user_config_dir : unit -> string = "ml_g_get_user_config_dir"
external get_system_data_dirs : unit -> string list = "ml_g_get_system_data_dirs"
external get_system_config_dirs : unit -> string list = "ml_g_get_system_config_dirs"

external usleep : int -> unit = "ml_g_usleep"

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