doc: Explain how to change the keyboard layout at run time.

* doc/guix.texi (Keyboard Layout): Mention GNOME's "Region & Language",
setxkbmap, and loadkeys.
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Ludovic Courtès 2019-04-03 14:26:21 +02:00
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@ -11002,6 +11002,8 @@ special-case and is automatically added whether or not it is specified.
@node Keyboard Layout
@section Keyboard Layout
@cindex keyboard layout
@cindex keymap
To specify what each key of your keyboard does, you need to tell the operating
system what @dfn{keyboard layout} you want to use. The default, when nothing
is specified, is the US English QWERTY layout for 105-key PC keyboards.
@ -11101,6 +11103,34 @@ a different layout. The @code{set-xorg-configuration} procedure communicates
the desired Xorg configuration to the graphical log-in manager, by default
GDM.
We've discussed how to specify the @emph{default} keyboard layout of your
system when it starts, but you can also adjust it at run time:
@itemize
@item
If you're using GNOME, its settings panel has a ``Region & Language'' entry
where you can select one or more keyboard layouts.
@item
Under Xorg, the @command{setxkbmap} command (from the same-named package)
allows you to change the current layout. For example, this is how you would
change the layout to US Dvorak:
@example
setxkbmap us dvorak
@end example
@item
The @code{loadkeys} command changes the keyboard layout in effect in the Linux
console. However, note that @code{loadkeys} does @emph{not} use the XKB
keyboard layout categorization described above. The command below loads the
French bépo layout:
@example
loadkeys fr-bepo
@end example
@end itemize
@node Locales
@section Locales