726d0bd2f3
* gnu/installer/steps.scm (run-installer-steps): Set up 'installer-step prompt. * gnu/installer/newt/ethernet.scm (run-ethernet-page) * gnu/installer/newt/final.scm (run-config-display-page, run-install-failed-page) * gnu/installer/newt/keymap.scm (run-layout-page, run-variant-page) * gnu/installer/newt/locale.scm (run-language-page, run-territory-page, run-codeset-page, run-modifier-page, run-locale-page) * gnu/installer/newt/network.scm (run-technology-page, wait-service-online) * gnu/installer/newt/page.scm (run-listbox-selection-page, run-checkbox-tree-page) * gnu/installer/newt/partition.scm (button-exit-action) * gnu/installer/newt/services.scm (run-desktop-environments-cbt-page, run-networking-cbt-page, run-other-services-cbt-page, run-network-management-page) * gnu/installer/newt/timezone.scm (run-timezone-page) * gnu/installer/newt/user.scm (run-user-page) * gnu/installer/newt/welcome.scm (run-menu-page) * gnu/installer/newt/wifi.scm (run-wifi-page): Use the 'installer-step prompt to abort. Signed-off-by: Mathieu Othacehe <othacehe@gnu.org>
223 lines
8.6 KiB
Scheme
223 lines
8.6 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2018, 2020 Mathieu Othacehe <m.othacehe@gmail.com>
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;;; Copyright © 2019 Ludovic Courtès <ludo@gnu.org>
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;;; Copyright © 2020 Florian Pelz <pelzflorian@pelzflorian.de>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (gnu installer newt keymap)
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#:use-module (gnu installer keymap)
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#:use-module (gnu installer steps)
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#:use-module (gnu installer newt page)
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#:use-module (guix i18n)
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#:use-module (guix records)
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#:use-module (newt)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-26)
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#:use-module (srfi srfi-34)
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#:use-module (srfi srfi-35)
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#:use-module (ice-9 i18n)
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#:use-module (ice-9 match)
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#:export (run-keymap-page
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keyboard-layout->configuration))
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(define (run-layout-page layouts layout->text context)
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(let ((title (G_ "Layout")))
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(run-listbox-selection-page
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#:title title
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#:info-text
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(case context
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((param) (G_ "Please choose your keyboard layout. \
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It will only be used during the installation process. \
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Non-Latin layouts can be toggled with Alt+Shift."))
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(else (G_ "Please choose your keyboard layout. \
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It will be used during the install process, and for the installed system. \
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Non-Latin layouts can be toggled with Alt+Shift. You can switch to a \
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different layout at any time from the parameters menu.")))
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#:listbox-items layouts
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#:listbox-item->text layout->text
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#:sort-listbox-items? #f
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#:button-text
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(case context
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((param) (G_ "Continue"))
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(else (G_ "Exit")))
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#:button-callback-procedure
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(case context
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((param) (const #f))
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(else
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(lambda _
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(abort-to-prompt 'installer-step 'abort)))))))
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(define (run-variant-page variants variant->text)
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(let ((title (G_ "Variant")))
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(run-listbox-selection-page
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#:title title
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#:info-text (G_ "Please choose a variant for your keyboard layout.")
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#:listbox-items variants
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#:listbox-item->text variant->text
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#:sort-listbox-items? #f
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#:button-text (G_ "Back")
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#:button-callback-procedure
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(lambda _
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(abort-to-prompt 'installer-step 'abort)))))
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(define (sort-layouts layouts)
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"Sort LAYOUTS list by putting the US layout ahead and return it."
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(define (layout<? layout1 layout2)
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(let ((text1 (x11-keymap-layout-description layout1))
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(text2 (x11-keymap-layout-description layout2)))
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;; XXX: We're calling 'gettext' more than once per item.
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(string-locale<? (gettext text1 "xkeyboard-config")
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(gettext text2 "xkeyboard-config"))))
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(define preferred
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;; Two-letter language tag for the preferred keyboard layout.
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(or (getenv "LANGUAGE") "us"))
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(call-with-values
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(lambda ()
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(partition
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(lambda (layout)
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;; The 'synopsis' field is usually a language code (e.g., "en")
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;; while the 'name' field is a country code (e.g., "us").
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(or (string=? (x11-keymap-layout-name layout) preferred)
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(string=? (x11-keymap-layout-synopsis layout) preferred)))
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layouts))
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(lambda (main others)
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(append (sort main layout<?)
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(sort others layout<?)))))
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(define (add-empty-variant variants)
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"Prepend #f to VARIANTS so the user has the option to select no variant.
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The resulting layout may be different from all other variants (e.g. for
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Azerbaijani)."
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(cons #f variants))
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(define (sort-variants variants)
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"Sort VARIANTS list by putting the international variant ahead and return it."
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(call-with-values
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(lambda ()
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(partition
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(lambda (variant)
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(and variant
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(let ((name (x11-keymap-variant-name variant)))
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(string=? name "altgr-intl"))))
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variants))
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(cut append <> <>)))
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(define %non-latin-layouts
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;; List of keyboard layouts marked as $nonlatin in xkeyboard-config.
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;; See comments in xkeyboard-config file /share/X11/xkb/rules/base.
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;; We ignore layouts that support Latin input: "kr"
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'("am" "ara" "ben" "bd" "bg" "bt" "by" "cs" "deva" "ge" "gh"
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"gr" "guj" "guru" "il" "in" "ir" "iku" "jp" "kan" "kh"
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"la" "lao" "lk" "mk" "mm" "mn" "mv" "mal" "olck" "ori" "pk"
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"ru" "scc" "sy" "syr" "tel" "th" "tj" "tam" "ua" "uz"
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;; The list from xkeyboard-config is incomplete. Add more layouts when
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;; noticed:
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"et" "kz"))
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(define %non-latin-variants
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'("cyrillic"))
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(define %latin-layout+variants
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;; These layout+variant combinations are Latin after all.
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'(("ir" "ku")))
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(define (toggleable-latin-layout layout variant)
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"If LAYOUT is a non-Latin layout, return a new combined layout,
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a variant, and options that allow the user to switch between the
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non-Latin and the Latin layout. Otherwise, return LAYOUT, VARIANT,
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and #f."
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(if (and (not (equal? variant "latin"))
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(not (member (list layout variant) %latin-layout+variants))
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(or (member layout %non-latin-layouts)
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(member variant %non-latin-variants)))
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(let ((latin-layout (if (equal? variant "azerty") "fr" "us")))
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(list
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(string-append layout "," latin-layout)
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;; Comma to use variant only for non-Latin:
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(and variant (string-append variant ","))
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"grp:alt_shift_toggle"))
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(list layout variant #f)))
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(define* (run-keymap-page layouts #:key (context #f))
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"Run a page asking the user to select a keyboard layout and variant. LAYOUTS
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is a list of supported X11-KEYMAP-LAYOUT. For non-Latin keyboard layouts, a
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second layout and toggle options will be added automatically. Return a list
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of three elements, the names of the selected keyboard layout, variant and
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options."
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(define keymap-steps
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(list
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(installer-step
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(id 'layout)
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(compute
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(lambda _
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(run-layout-page
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(sort-layouts layouts)
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(lambda (layout)
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(gettext (x11-keymap-layout-description layout)
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"xkeyboard-config"))
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context))))
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;; Propose the user to select a variant among those supported by the
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;; previously selected layout.
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(installer-step
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(id 'variant)
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(compute
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(lambda (result _)
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(let* ((layout (result-step result 'layout))
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(variants (if layout
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(x11-keymap-layout-variants layout)
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'())))
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;; Return #f if the layout does not have any variant.
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(and (not (null? variants))
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(run-variant-page
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(sort-variants (add-empty-variant variants))
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(lambda (variant)
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(if variant
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(gettext (x11-keymap-variant-description variant)
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"xkeyboard-config")
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;; Text to opt for no variant at all:
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(gettext (x11-keymap-layout-description layout)
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"xkeyboard-config")))))))))))
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(define (format-result layout variant)
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(let ((layout (x11-keymap-layout-name layout))
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(variant (and=> variant
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(lambda (variant)
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(gettext (x11-keymap-variant-name variant)
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"xkeyboard-config")))))
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(toggleable-latin-layout layout variant)))
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(let* ((result (run-installer-steps #:steps keymap-steps))
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(layout (result-step result 'layout))
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(variant (result-step result 'variant)))
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(and layout
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(format-result layout variant))))
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(define (keyboard-layout->configuration keymap)
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"Return the operating system configuration snippet to install KEYMAP."
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(match keymap
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((name #f "grp:alt_shift_toggle")
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`((keyboard-layout (keyboard-layout ,name
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#:options '("grp:alt_shift_toggle")))))
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((name #f _)
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`((keyboard-layout (keyboard-layout ,name))))
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((name variant "grp:alt_shift_toggle")
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`((keyboard-layout (keyboard-layout ,name ,variant
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#:options '("grp:alt_shift_toggle")))))
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((name variant _)
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`((keyboard-layout (keyboard-layout ,name ,variant))))))
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