;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2018 Mathieu Othacehe <m.othacehe@gmail.com>
+;;; Copyright © 2019 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
#:use-module (guix records)
#:use-module (newt)
#:use-module (srfi srfi-1)
+ #:use-module (srfi srfi-26)
#:use-module (srfi srfi-34)
#:use-module (srfi srfi-35)
- #:export (run-keymap-page))
+ #:use-module (ice-9 i18n)
+ #:use-module (ice-9 match)
+ #:export (run-keymap-page
+ keyboard-layout->configuration))
(define (run-layout-page layouts layout->text)
- (let ((title (G_ "Layout selection")))
+ (let ((title (G_ "Layout")))
(run-listbox-selection-page
#:title title
#:info-text (G_ "Please choose your keyboard layout.")
#:listbox-items layouts
#:listbox-item->text layout->text
- #:button-text (G_ "Cancel")
+ #:sort-listbox-items? #f
+ #:button-text (G_ "Exit")
#:button-callback-procedure
(lambda _
(raise
(&installer-step-abort)))))))
(define (run-variant-page variants variant->text)
- (let ((title (G_ "Variant selection")))
+ (let ((title (G_ "Variant")))
(run-listbox-selection-page
#:title title
#:info-text (G_ "Please choose a variant for your keyboard layout.")
#:listbox-items variants
#:listbox-item->text variant->text
- #:button-text (G_ "Back")
- #:button-callback-procedure
- (lambda _
- (raise
- (condition
- (&installer-step-abort)))))))
-
-(define (run-model-page models model->text)
- (let ((title (G_ "Keyboard model selection")))
- (run-listbox-selection-page
- #:title title
- #:info-text (G_ "Please choose your keyboard model.")
- #:listbox-items models
- #:listbox-item->text model->text
- #:listbox-default-item (find (lambda (model)
- (string=? (x11-keymap-model-name model)
- "pc105"))
- models)
#:sort-listbox-items? #f
#:button-text (G_ "Back")
#:button-callback-procedure
(condition
(&installer-step-abort)))))))
-(define* (run-keymap-page #:key models layouts)
- "Run a page asking the user to select a keyboard model, layout and
-variant. MODELS and LAYOUTS are lists of supported X11-KEYMAP-MODEL and
-X11-KEYMAP-LAYOUT. Return a list of three elements, the names of the selected
-keyboard model, layout and variant."
+(define (sort-layouts layouts)
+ "Sort LAYOUTS list by putting the US layout ahead and return it."
+ (define (layout<? layout1 layout2)
+ (let ((text1 (x11-keymap-layout-description layout1))
+ (text2 (x11-keymap-layout-description layout2)))
+ ;; XXX: We're calling 'gettext' more than once per item.
+ (string-locale<? (gettext text1 "xkeyboard-config")
+ (gettext text2 "xkeyboard-config"))))
+
+ (define preferred
+ ;; Two-letter language tag for the preferred keyboard layout.
+ (or (getenv "LANGUAGE") "us"))
+
+ (call-with-values
+ (lambda ()
+ (partition
+ (lambda (layout)
+ ;; The 'synopsis' field is usually a language code (e.g., "en")
+ ;; while the 'name' field is a country code (e.g., "us").
+ (or (string=? (x11-keymap-layout-name layout) preferred)
+ (string=? (x11-keymap-layout-synopsis layout) preferred)))
+ layouts))
+ (lambda (main others)
+ (append (sort main layout<?)
+ (sort others layout<?)))))
+
+(define (sort-variants variants)
+ "Sort VARIANTS list by putting the international variant ahead and return it."
+ (call-with-values
+ (lambda ()
+ (partition
+ (lambda (variant)
+ (let ((name (x11-keymap-variant-name variant)))
+ (string=? name "altgr-intl")))
+ variants))
+ (cut append <> <>)))
+
+(define* (run-keymap-page layouts)
+ "Run a page asking the user to select a keyboard layout and variant. LAYOUTS
+is a list of supported X11-KEYMAP-LAYOUT. Return a list of two elements, the
+names of the selected keyboard layout and variant."
(define keymap-steps
(list
- (installer-step
- (id 'model)
- (compute
- (lambda _
- ;; TODO: Understand why (run-model-page models x11-keymap-model-name)
- ;; fails with: warning: possibly unbound variable
- ;; `%x11-keymap-model-description-procedure.
- (run-model-page models (lambda (model)
- (x11-keymap-model-description
- model))))))
(installer-step
(id 'layout)
(compute
(lambda _
- (let* ((layout (run-layout-page
- layouts
- (lambda (layout)
- (x11-keymap-layout-description layout)))))
- (if (null? (x11-keymap-layout-variants layout))
- ;; Break if this layout does not have any variant.
- (raise
- (condition
- (&installer-step-break)))
- layout)))))
+ (run-layout-page
+ (sort-layouts layouts)
+ (lambda (layout)
+ (gettext (x11-keymap-layout-description layout)
+ "xkeyboard-config"))))))
;; Propose the user to select a variant among those supported by the
;; previously selected layout.
(installer-step
(id 'variant)
(compute
- (lambda (result)
- (let ((variants (x11-keymap-layout-variants
- (result-step result 'layout))))
- (run-variant-page variants
- (lambda (variant)
- (x11-keymap-variant-description
- variant)))))))))
+ (lambda (result _)
+ (let* ((layout (result-step result 'layout))
+ (variants (x11-keymap-layout-variants layout)))
+ ;; Return #f if the layout does not have any variant.
+ (and (not (null? variants))
+ (run-variant-page
+ (sort-variants variants)
+ (lambda (variant)
+ (gettext (x11-keymap-variant-description variant)
+ "xkeyboard-config"))))))))))
(define (format-result result)
- (let ((model (x11-keymap-model-name
- (result-step result 'model)))
- (layout (x11-keymap-layout-name
+ (let ((layout (x11-keymap-layout-name
(result-step result 'layout)))
(variant (and=> (result-step result 'variant)
(lambda (variant)
- (x11-keymap-variant-name variant)))))
- (list model layout (or variant ""))))
+ (gettext (x11-keymap-variant-name variant)
+ "xkeyboard-config")))))
+ (list layout (or variant ""))))
(format-result
(run-installer-steps #:steps keymap-steps)))
+
+(define (keyboard-layout->configuration keymap)
+ "Return the operating system configuration snippet to install KEYMAP."
+ (match keymap
+ ((name "")
+ `((keyboard-layout (keyboard-layout ,name))))
+ ((name variant)
+ `((keyboard-layout (keyboard-layout ,name ,variant))))))