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author | Ludovic Courtès <ludo@gnu.org> | 2019-01-20 22:12:10 +0100 |
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committer | Ludovic Courtès <ludo@gnu.org> | 2019-01-20 22:12:10 +0100 |
commit | 3e2d4e69c340c3520f546f8c7e21e52383058d1c (patch) | |
tree | 0bc92edb753cfdf9a9e7ef763ebc19f0cd2d528c /gnu/installer/newt/timezone.scm | |
parent | ad79ae7e2d7505292b11e87302b08f4db0f934e9 (diff) | |
parent | e5ad2cdf172eecc7edef37a500593b1941af013c (diff) | |
download | guix-patches-3e2d4e69c340c3520f546f8c7e21e52383058d1c.tar guix-patches-3e2d4e69c340c3520f546f8c7e21e52383058d1c.tar.gz |
Merge branch 'master' into staging
Diffstat (limited to 'gnu/installer/newt/timezone.scm')
-rw-r--r-- | gnu/installer/newt/timezone.scm | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/gnu/installer/newt/timezone.scm b/gnu/installer/newt/timezone.scm new file mode 100644 index 0000000000..6c96ee55b1 --- /dev/null +++ b/gnu/installer/newt/timezone.scm @@ -0,0 +1,83 @@ +;;; GNU Guix --- Functional package management for GNU +;;; Copyright © 2018 Mathieu Othacehe <m.othacehe@gmail.com> +;;; +;;; This file is part of GNU Guix. +;;; +;;; GNU Guix 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 3 of the License, or (at +;;; your option) any later version. +;;; +;;; GNU Guix 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 GNU Guix. If not, see <http://www.gnu.org/licenses/>. + +(define-module (gnu installer newt timezone) + #:use-module (gnu installer steps) + #:use-module (gnu installer timezone) + #:use-module (gnu installer newt page) + #:use-module (guix i18n) + #:use-module (srfi srfi-1) + #:use-module (srfi srfi-26) + #:use-module (srfi srfi-34) + #:use-module (srfi srfi-35) + #:use-module (ice-9 match) + #:use-module (ice-9 receive) + #:use-module (newt) + #:export (run-timezone-page)) + +;; Heigth of the listbox displaying timezones. +(define timezone-listbox-heigth (make-parameter 20)) + +;; Information textbox width. +(define info-textbox-width (make-parameter 40)) + +(define (fill-timezones listbox timezones) + "Fill the given LISTBOX with TIMEZONES. Return an association list +correlating listbox keys with timezones." + (map (lambda (timezone) + (let ((key (append-entry-to-listbox listbox timezone))) + (cons key timezone))) + timezones)) + +(define (run-timezone-page zonetab) + "Run a page displaying available timezones, grouped by regions. The user is +invited to select a timezone. The selected timezone, under Posix format is +returned." + (define (all-but-last list) + (reverse (cdr (reverse list)))) + + (define (run-page timezone-tree) + (define (loop path) + (let ((timezones (locate-childrens timezone-tree path))) + (run-listbox-selection-page + #:title (G_ "Timezone") + #:info-text (G_ "Please select a timezone.") + #:listbox-items timezones + #:listbox-item->text identity + #:button-text (if (null? path) + (G_ "Exit") + (G_ "Back")) + #:button-callback-procedure + (if (null? path) + (lambda _ + (raise + (condition + (&installer-step-abort)))) + (lambda _ + (loop (all-but-last path)))) + #:listbox-callback-procedure + (lambda (timezone) + (let* ((timezone* (append path (list timezone))) + (tz (timezone->posix-tz timezone*))) + (if (timezone-has-child? timezone-tree timezone*) + (loop timezone*) + tz)))))) + (loop '())) + + (let ((timezone-tree (zonetab->timezone-tree zonetab))) + (run-page timezone-tree))) |