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;;
;; starlet/selection.scm
;;
;; Copyright © 2020-2023 Thomas White <taw@bitwiz.org.uk>
;;
;; This file is part of Starlet.
;;
;; Starlet 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.
;;
;; This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
;;
(define-module (starlet selection)
#:use-module (starlet utils)
#:use-module (srfi srfi-1)
#:export (sel
add-sel
toggle-sel
desel
selection-hook
get-selection
selected?))
(define selection-hook (make-hook 1))
(define selection '())
(define (get-selection)
selection)
(define (sel . fixture-list)
(if (nil? fixture-list)
(set! selection '())
(if (not (car fixture-list))
(set! selection '())
(set! selection (flatten-sublists fixture-list))))
(run-hook selection-hook selection))
(define (toggle-sel . fixture-list)
(if (selected? fixture-list)
(desel fixture-list)
(add-sel fixture-list)))
(define (add-sel . fixture-list)
(set! selection
(append selection
(filter (lambda (fix)
(not (selected? fix)))
(flatten-sublists fixture-list))))
(run-hook selection-hook selection))
(define (selected? . fixture-list)
(every (lambda (fix)
(memq fix selection))
(flatten-sublists fixture-list)))
(define (desel . fixture-list)
(let ((remove-us (flatten-sublists fixture-list)))
(set! selection
(filter (lambda (fix)
(not (memq fix remove-us)))
selection)))
(run-hook selection-hook selection))
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