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To specify what each key of your keyboard does, you need to tell the operating system what keyboard layout you want to use. The default, when nothing is specified, is the US English QWERTY layout for 105-key PC keyboards. However, German speakers will usually prefer the German QWERTZ layout, French speakers will want the AZERTY layout, and so on; hackers might prefer Dvorak or bépo, and they might even want to further customize the effect of some of the keys. This section explains how to get that done.
There are three components that will want to know about your keyboard layout:
keyboard-layout
). This is useful
if you want, for instance, to make sure that you can type the passphrase of
your encrypted root partition using the right layout.
keyboard-layout
).
keyboard-layout
).
Guix allows you to configure all three separately but, fortunately, it allows you to share the same keyboard layout for all three components.
Keyboard layouts are represented by records created by the
keyboard-layout
procedure of (gnu system keyboard)
. Following
the X Keyboard extension (XKB), each layout has four attributes: a name
(often a language code such as “fi” for Finnish or “jp” for Japanese),
an optional variant name, an optional keyboard model name, and a possibly
empty list of additional options. In most cases the layout name is all you
care about.
[#:model] [#:options ’()] Return a new keyboard layout with the given name and variant.
name must be a string such as "fr"
; variant must be a
string such as "bepo"
or "nodeadkeys"
. See the
xkeyboard-config
package for valid options.
Here are a few examples:
;; The German QWERTZ layout. Here we assume a standard ;; "pc105" keyboard model. (keyboard-layout "de") ;; The bépo variant of the French layout. (keyboard-layout "fr" "bepo") ;; The Catalan layout. (keyboard-layout "es" "cat") ;; Arabic layout with "Alt-Shift" to switch to US layout. (keyboard-layout "ar,us" #:options '("grp:alt_shift_toggle")) ;; The Latin American Spanish layout. In addition, the ;; "Caps Lock" key is used as an additional "Ctrl" key, ;; and the "Menu" key is used as a "Compose" key to enter ;; accented letters. (keyboard-layout "latam" #:options '("ctrl:nocaps" "compose:menu")) ;; The Russian layout for a ThinkPad keyboard. (keyboard-layout "ru" #:model "thinkpad") ;; The "US international" layout, which is the US layout plus ;; dead keys to enter accented characters. This is for an ;; Apple MacBook keyboard. (keyboard-layout "us" "intl" #:model "macbook78")
See the share/X11/xkb directory of the xkeyboard-config
package for a complete list of supported layouts, variants, and models.
Let’s say you want your system to use the Turkish keyboard layout throughout your system—bootloader, console, and Xorg. Here’s what your system configuration would look like:
;; Using the Turkish layout for the bootloader, the console, ;; and for Xorg. (operating-system ;; ... (keyboard-layout (keyboard-layout "tr")) ;for the console (bootloader (bootloader-configuration (bootloader grub-efi-bootloader) (targets '("/boot/efi")) (keyboard-layout keyboard-layout))) ;for GRUB (services (cons (set-xorg-configuration (xorg-configuration ;for Xorg (keyboard-layout keyboard-layout))) %desktop-services)))
In the example above, for GRUB and for Xorg, we just refer to the
keyboard-layout
field defined above, but we could just as well refer
to a different layout. The 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 default keyboard layout of your system when it starts, but you can also adjust it at run time:
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:
setxkbmap us dvorak
loadkeys
command changes the keyboard layout in effect in the
Linux console. However, note that loadkeys
does not use the
XKB keyboard layout categorization described above. The command below loads
the French bépo layout:
loadkeys fr-bepo
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