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;;; redtick.el --- Smallest pomodoro timer (1 char) -*- lexical-binding: t -*-
;; Copyright (C) 2022 Sean Whitton
;; Simplified ver. of F. Febles's Unlicensed redtick.el. My work is GPL-3+.
;;; Code:
(defconst redtick--ticks
(let ((map (make-mode-line-mouse-map 'mouse-1 #'redtick)))
(mapcar (pcase-lambda (`(,time ,char ,colour))
(cons time
(concat (propertize
char 'pointer 'hand 'local-map map
'face `(:inherit mode-line :foreground ,colour))
" ")))
'((187.5 "█" "#ffff66") (187.5 "▇" "#ffcc66")
(187.5 "▆" "#cc9966") (187.5 "▅" "#ff9966")
(187.5 "▄" "#cc6666") (187.5 "▃" "#ff6666")
(187.5 "▂" "#ff3366") (187.5 "▁" "#ff0066")
(37.5 "█" "#00cc66") (37.5 "▇" "#33cc66")
(37.5 "▆" "#66cc66") (37.5 "▅" "#00ff66")
(37.5 "▄" "#33ff66") (37.5 "▃" "#66ff66")
(37.5 "▂" "#99ff66") (37.5 "▁" "#ccff66")
(nil "✓" "#cf6a4c")))))
(defvar redtick--tick)
(defvar redtick--timer)
(defun redtick--update-tick (ticks)
(when (caar ticks)
(setq redtick--timer
(run-at-time (caar ticks) nil #'redtick--update-tick (cdr ticks))))
(setq redtick--tick (cdar ticks))
(force-mode-line-update t))
;;;###autoload
(define-minor-mode redtick-mode
"Little Pomodoro timer in the mode line."
:global t
(setq redtick--timer nil redtick--tick (cdar (last redtick--ticks)))
(when redtick-mode
(let ((tick '(:eval (and redtick-mode
(if (mode-line-window-selected-p)
redtick--tick
" "))))
(format (default-value 'mode-line-format)))
(unless (member tick format)
(catch 'done
(while (setq format (cdr format))
(when (eq (cadr format) 'mode-line-buffer-identification)
(throw 'done (push tick (cdr format))))))
(force-mode-line-update t)))))
;;;###autoload
(defun redtick ()
(interactive)
(redtick-mode 1)
(redtick--update-tick redtick--ticks))
(provide 'redtick)
;;; redtick.el ends here
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