1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300
|
-----------------------------------------------------------------------
-- G P S --
-- --
-- Copyright (C) 2005-2010, AdaCore --
-- --
-- GPS is free software; you can redistribute it and/or modify it --
-- under the terms of the GNU General Public License as published by --
-- the Free Software Foundation; either version 2 of the License, or --
-- (at your option) any later version. --
-- --
-- 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 --
-- General Public License for more details. You should have received --
-- a copy of the GNU 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. --
-----------------------------------------------------------------------
with GNAT.OS_Lib; use GNAT.OS_Lib;
with Glib.Object; use Glib.Object;
with Gtk.Combo; use Gtk.Combo;
with Gtk.Editable; use Gtk.Editable;
with Gtk.GEntry; use Gtk.GEntry;
with Gtk.Item; use Gtk.Item;
with Gtk.List; use Gtk.List;
with Gtk.List_Item; use Gtk.List_Item;
with Gtk.Tooltips; use Gtk.Tooltips;
with Gtk.Widget; use Gtk.Widget;
with GPS.Properties; use GPS.Properties;
with GPS.Kernel.Properties; use GPS.Kernel.Properties;
with GPS.Intl; use GPS.Intl;
with GNATCOLL.VFS; use GNATCOLL.VFS;
package body GPS.Kernel.Charsets is
CHARSET : constant String_Access := Getenv ("CHARSET");
Default_Charset : Charset_Preference;
-- Preference that defines the default charset to use when opening files
type Charset_Description is record
Name : String_Access;
Description : String_Access;
end record;
type Charset_Description_Array
is array (Natural range <>) of Charset_Description;
Charsets : constant Charset_Description_Array :=
((Name => new String'("ISO-8859-1"),
Description => new String'("Western/Latin-1 (ISO-8859-1)")),
(Name => new String'("ISO-8859-15"),
Description => new String'("Western/Latin-9 (ISO-8859-15)")),
(Name => new String'("ISO-8859-2"),
Description => new String'("Central European (ISO-8859-2)")),
(Name => new String'("ISO-8859-5"),
Description => new String'("Cyrillic (ISO-8859-5)")),
(Name => new String'("ISO-8859-6"),
Description => new String'("Arabic (ISO-8859-6)")),
(Name => new String'("ISO-8859-7"),
Description => new String'("Greek (ISO-8859-7)")),
(Name => new String'("ISO-8859-8"),
Description => new String'("Hebrew (ISO-8859-8)")),
(Name => new String'("ISO-8859-9"),
Description => new String'("Turkish (ISO-8859-9)")),
(Name => new String'("KOI8-R"),
Description => new String'("Cyrillic (KOI8-R)")),
(Name => new String'("SHIFT-JIS"),
Description => new String'("Japanese (SHIFT-JIS)")),
(Name => new String'("GB2312"),
Description => new String'("Chinese (GB2312)")),
(Name => new String'("UTF-8"),
Description => new String'("Unicode UTF-8")),
(Name => new String'("UTF-16"),
Description => new String'("Unicode UTF-16")),
(Name => new String'("UTF-32"),
Description => new String'("Unicode UTF-32")));
-- The list comes from "man charsets", or "`iconv -l`".
-- See also the list in "gedit File->Open Available Encodings"
procedure Charset_Changed
(Combo : access GObject_Record'Class; Data : Manager_Preference);
-- Called when the contents of the Combo has changed, to set the pref
procedure Update_Charset
(Combo : access GObject_Record'Class; Data : Manager_Preference);
-- Called when the pref has changed, to set the combo
---------------------
-- Charset_Changed --
---------------------
procedure Charset_Changed
(Combo : access GObject_Record'Class;
Data : Manager_Preference)
is
Value : constant String := Get_Text (Gtk_Entry (Get_Entry (Gtk_Combo (Combo))));
begin
for C in Charsets'Range loop
if Charsets (C).Description.all = Value then
Set_Pref (Data.Pref, Data.Manager, Charsets (C).Name.all);
return;
end if;
end loop;
Set_Pref (Data.Pref, Data.Manager, Value);
end Charset_Changed;
--------------------
-- Update_Charset --
--------------------
procedure Update_Charset
(Combo : access GObject_Record'Class;
Data : Manager_Preference) is
begin
Set_Text (Gtk_Entry (Get_Entry (Gtk_Combo (Combo))), Data.Pref.Get_Pref);
end Update_Charset;
--------------------------
-- Create_Charset_Combo --
--------------------------
function Create_Charset_Combo
(File : GNATCOLL.VFS.Virtual_File;
Default : String := "") return Gtk.Combo.Gtk_Combo
is
Combo : Gtk_Combo;
Found : Boolean := False;
Prop : String_Property;
Item : Gtk_List_Item;
begin
Gtk_New (Combo);
Set_Value_In_List (Combo, False, Ok_If_Empty => False);
Set_Editable (Gtk_Entry (Get_Entry (Combo)), True);
for C in Charsets'Range loop
Gtk_New (Item, Charsets (C).Description.all);
Set_Item_String (Combo, Gtk_Item (Item), Charsets (C).Name.all);
Add (Gtk_List (Get_List (Combo)), Item);
Show_All (Item);
end loop;
if File /= GNATCOLL.VFS.No_File then
Get_Property (Prop, File, "charset", Found);
end if;
if Found then
Set_Text (Gtk_Entry (Get_Entry (Combo)), Prop.Value.all);
elsif Default /= "" then
Set_Text (Gtk_Entry (Get_Entry (Combo)), Default);
else
Set_Text (Gtk_Entry (Get_Entry (Combo)), Get_Pref (Default_Charset));
end if;
return Combo;
end Create_Charset_Combo;
----------
-- Edit --
----------
overriding function Edit
(Pref : access Charset_Preference_Record;
Manager : access Preferences_Manager_Record'Class;
Tips : Gtk.Tooltips.Gtk_Tooltips)
return Gtk.Widget.Gtk_Widget
is
pragma Unreferenced (Tips);
Value : constant String := Pref.Get_Pref;
Combo : Gtk_Combo;
Item : Gtk_List_Item;
Selected : Integer := -1;
begin
Gtk_New (Combo);
Set_Value_In_List (Combo, False, Ok_If_Empty => False);
Set_Editable (Gtk_Entry (Get_Entry (Combo)), True);
for C in Charsets'Range loop
if Charsets (C).Name.all = Value then
Selected := C;
end if;
Gtk_New (Item, Charsets (C).Description.all);
Add (Gtk_List (Get_List (Combo)), Item);
Show_All (Item);
end loop;
if Selected /= -1 then
Set_Text (Gtk_Entry (Get_Entry (Combo)), Charsets (Selected).Description.all);
else
Set_Text (Gtk_Entry (Get_Entry (Combo)), Value);
end if;
Preference_Handlers.Object_Connect
(Get_Entry (Combo), Signal_Changed,
Charset_Changed'Access,
User_Data => (Preferences_Manager (Manager), Preference (Pref)),
Slot_Object => Combo,
After => True);
Preference_Handlers.Object_Connect
(Get_Editor (Manager), Signal_Preferences_Changed,
Update_Charset'Access,
Slot_Object => Combo,
User_Data => (Preferences_Manager (Manager), Preference (Pref)));
return Gtk_Widget (Combo);
end Edit;
------------
-- Create --
------------
function Create
(Manager : access Preferences_Manager_Record'Class;
Name, Label, Page, Doc : String;
Default : String)
return Charset_Preference
is
Result : constant Charset_Preference := new Charset_Preference_Record;
begin
Set_Pref (Result, null, Default);
Register (Manager, Name, Label, Page, Doc, Result);
return Result;
end Create;
--------------------------
-- Register_Preferences --
--------------------------
procedure Register_Preferences
(Kernel : access Kernel_Handle_Record'Class) is
begin
Default_Charset := Create
(Get_Preferences (Kernel),
Name => "General-Charset",
Label => -"Character set",
Page => -"General",
Doc => -("Name of character set to use when reading or saving"
& " files. GPS uses unicode internally, but need to"
& " convert the files from and to your system's"
& " own encoding. Use ""UTF-8"" if your system supports"
& " unicode"),
Default => "ISO-8859-1");
end Register_Preferences;
----------------------
-- Get_File_Charset --
----------------------
function Get_File_Charset (File : Virtual_File) return String is
Found : Boolean;
Prop : String_Property;
begin
if File = GNATCOLL.VFS.No_File then
if Default_Charset = null then
-- Cannot happen in GPS itself, but could in the test suites,
-- e.g. when no kernel/preferences are available.
return CHARSET.all;
else
return Get_Pref (Default_Charset);
end if;
else
Get_Property (Prop, File, "charset", Found);
if Found then
return Prop.Value.all;
else
if Default_Charset = null then
return CHARSET.all;
else
return Get_Pref (Default_Charset);
end if;
end if;
end if;
end Get_File_Charset;
----------------------
-- Set_File_Charset --
----------------------
procedure Set_File_Charset
(Kernel : access GPS.Kernel.Kernel_Handle_Record'Class;
File : GNATCOLL.VFS.Virtual_File; Charset : String := "")
is
Prop : String_Property_Access;
begin
if Charset = "" then
Remove_Property (Kernel, File, "charset");
else
Prop := new String_Property'(Value => new String'(Charset));
Set_Property (Kernel, File, "charset", Prop, Persistent => True);
end if;
end Set_File_Charset;
end GPS.Kernel.Charsets;
|