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;;; si sourcehut avait une ipv6 je pourrais leur envoyer des mails
;;; mais je peux pas donc rde aura pas mes changements
;;;
;;; rde --- Reproducible development environment.
;;;
;;; Copyright © 2022 Andrew Tropin <andrew@trop.in>
;;;
;;; This file is part of rde.
;;;
;;; rde 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.
;;;
;;; rde 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 rde. If not, see <http://www.gnu.org/licenses/>.
(define-module (sigils home services wayland)
#:use-module (gnu home services)
#:use-module (gnu home services shepherd)
#:use-module (gnu packages wm)
#:use-module (gnu services configuration)
#:use-module (guix packages)
#:use-module (guix gexp)
#:use-module (guix diagnostics)
#:use-module (guix ui)
#:use-module (sigils home services desktop)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-26)
#:use-module (srfi srfi-43)
#:use-module (ice-9 match)
#:export (home-kanshi-service-type
home-kanshi-configuration
sway-config?))
(define sway-config? list?)
(define (serialize-sway-config val)
(define (aligner nestness)
(apply string-append
(map (const " ") (iota nestness))))
(define (serialize-sway-term term)
;; (format #t "finval. ~a\n" term)
(match term
(#t "yes")
(#f "no")
((? symbol? e) (symbol->string e))
((? number? e) (number->string e))
;; TODO: Change it to ((? string? e) (format #f "~s" e))
((? string? e) e)
((lst ...)
(raise (formatted-message
(G_ "Sway term should be a non-list value (string, \
boolean, number, symbol, or gexp). Provided term is:\n ~a") lst)))
(e e)))
(define* (serialize-sway-expression
expr #:optional (nestness 0))
;; (format #t "expres. ~a\n" expr)
(match expr
;; subconfig has the same structure as config,
;; the only difference: it's not a top-level form
;; can be found at the end of expression.
;; (term subconfig)
((term ((expressions ...) ...))
;; (format #t "subtop. ~a . ~a\n" term expressions)
(append
(list (serialize-sway-term term) " {\n")
(serialize-sway-subconfig expressions (1+ nestness))
`(,(aligner nestness)
"}\n")))
;; subexpression:
;; (term . rest)
((term rest ..1)
;; (format #t "inside. ~a . ~a\n" term rest)
(cons* (serialize-sway-term term) " "
(serialize-sway-expression rest)))
;; last element of subexpression
((term)
;; (format #t "term. ~a\n" term)
(list (serialize-sway-term term) "\n"))
(e
(raise (formatted-message
(G_ "Sway expression should be a list of terms \
optionally ending with subconfigs, but provided expression is:\n ~a")
e)))))
(define* (serialize-sway-subconfig
subconfig #:optional (nestness 0))
(match subconfig
;; config:
;; ((expr1) (expr2) (expr3))
(((expressions ...) ...)
(append-map
(lambda (e)
(append (list (aligner nestness))
(serialize-sway-expression e nestness)))
expressions))
(e
(raise (formatted-message
(G_ "Sway (sub)config should be a list of expressions, \
where each expression is also a list, but provided value is:\n ~a") e))) ))
(serialize-sway-subconfig val))
;;;
;;; kanshi.
;;;
(define (serialize-string field-name value) value)
(define-configuration home-kanshi-configuration
(kanshi
(file-like kanshi)
"kanshi package to use.")
(config
(sway-config
`())
"This field has the same format as sway's config field, but in reality kanshi
supports only a subset of sway config. To get the complete list of available
options see @code{man 5 kanshi}.
The example configuration:
@lisp
()
@end lisp"))
(define (add-kanshi-packages config)
(list (home-kanshi-configuration-kanshi config)))
(define (add-kanshi-configuration config)
`(("kanshi/config"
,(apply
mixed-text-file
"kanshi-config"
(serialize-sway-config (home-kanshi-configuration-config config))))))
(define (home-kanshi-shepherd-service config)
(let ((kanshi (home-kanshi-configuration-kanshi config)))
(list
(shepherd-service
(provision '(kanshi))
(requirement '(wayland-display))
(modules '((srfi srfi-1)
(srfi srfi-26)))
(start #~(lambda _
;; This is not optimal.
(fork+exec-command
(list #$(file-append kanshi "/bin/kanshi"))
#:log-file (string-append
(getenv "XDG_STATE_HOME") "/log"
"/kanshi.log")
#:environment-variables
(cons (string-append "WAYLAND_DISPLAY=" (getenv "WAYLAND_DISPLAY"))
(remove (cut string-prefix? "WAYLAND_DISPLAY=" <>)
(default-environment-variables))))))
(stop #~(make-kill-destructor))
(documentation "Run Kanshi")))))
(define (home-kanshi-extensions cfg extensions)
(home-kanshi-configuration
(inherit cfg)
(config
(append (home-kanshi-configuration-config cfg)
(append-map identity (reverse extensions))))))
(define home-kanshi-service-type
(service-type (name 'home-kanshi)
(extensions
(list (service-extension
home-profile-service-type
add-kanshi-packages)
(service-extension
home-shepherd-service-type
home-kanshi-shepherd-service)
(service-extension
home-xdg-configuration-files-service-type
add-kanshi-configuration)))
(compose identity)
(extend home-kanshi-extensions)
(default-value (home-kanshi-configuration))
(description "\
Install and configure kanshi, output profile manager.")))
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