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installer: Include empty variant in keyboard layout selection. 

Previously for Azerbaijani, no Latin layout but only the Cyrillic variant
could be selected.

* gnu/installer/newt/keymap.scm (add-empty-variant): New procedure.
(run-keymap-page): Use it to insert an empty variant.
This commit is contained in:
Florian Pelz 2020-04-09 02:38:27 +02:00
parent 91c231a222
commit 7bc71025cc
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1 changed files with 16 additions and 5 deletions
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21
gnu/installer/newt/keymap.scm
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@ -104,14 +104,21 @@ different layout at any time from the parameters menu.")))
(append (sort main layout<?)
(sort others layout<?)))))
(define (add-empty-variant variants)
"Prepend #f to VARIANTS so the user has the option to select no variant.
The resulting layout may be different from all other variants (e.g. for
Azerbaijani)."
(cons #f variants))
(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")))
(and variant
(let ((name (x11-keymap-variant-name variant)))
(string=? name "altgr-intl"))))
variants))
(cut append <> <>)))
@ -180,10 +187,14 @@ options."
;; Return #f if the layout does not have any variant.
(and (not (null? variants))
(run-variant-page
(sort-variants variants)
(sort-variants (add-empty-variant variants))
(lambda (variant)
(gettext (x11-keymap-variant-description variant)
"xkeyboard-config"))))))))))
(if variant
(gettext (x11-keymap-variant-description variant)
"xkeyboard-config")
;; Text to opt for no variant at all:
(gettext (x11-keymap-layout-description layout)
"xkeyboard-config")))))))))))
(define (format-result result)
(let ((layout (x11-keymap-layout-name