120 lines
3.7 KiB
EmacsLisp
120 lines
3.7 KiB
EmacsLisp
;; pomodoro-mode.el --- Introduces a pomodoro timer to your mode-line -*- lexical-binding: t -*-
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;; Copyright (C) 2025 jjanzen
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;; Author: j. janzen <jjanzen@jjanzen.ca>
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;; Version: 0.1
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;; Package-Requires: ()
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;; Keywords: productivity, convenience
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;;; Commentary:
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;; This package provides a minor mode to add a simple pomodoro timer to your mode-line.
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;; To activate it, run `M-x pomodoro-mode`.
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;; To turn it off, run `M-x pomodoro-mode` once again.
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;;;###autoload
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(defgroup pomodoro nil
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"Pomodoro timer"
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:group 'convenience)
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;;;###autoload
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(defcustom pomodoro-start-time 0
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"When the current pomodoro break/work session has begun"
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:type '(integer)
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:group 'pomodoro)
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;;;###autoload
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(defcustom pomodoro-state 'working
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"The current pomodoro state"
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:type '(working break)
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:group 'pomodoro)
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;;;###autoload
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(defcustom pomodoro-work-time (* 25 60)
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"The length of a pomodoro work session in seconds"
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:type '(integer)
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:group 'pomodoro)
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;;;###autoload
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(defcustom pomodoro-break-time (* 5 60)
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"The length of a pomodoro break session in seconds"
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:type '(integer)
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:group 'pomodoro)
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;;;###autoload
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(defcustom pomodoro-work-symbol "🍅"
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"The symbol to display while in a work session"
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:type '(string)
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:group 'pomodoro)
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;;;###autoload
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(defcustom pomodoro-break-symbol "🥫"
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"The symbol to display while in a break session"
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:type '(string)
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:group 'pomodoro)
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;;;###autoload
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(defun pomodoro-toggle-state ()
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"Restart the pomodoro timer and switch to the other state."
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(interactive)
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(cond ((equal pomodoro-state 'working)
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(setq pomodoro-state 'break))
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((equal pomodoro-state 'break)
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(setq pomodoro-state 'working))
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(t
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(user-error "Invalid pomodoro state")))
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(setq pomodoro-start-time (floor (float-time))))
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(defun pomodoro-get-status-string ()
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"Get the status string for the pomodoro timer. May update the state if necessary."
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(let ((curr-time) ;; the current Unix time
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(symbol) ;; the symbol to be displayed
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(delta) ;; the difference in time
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(max-time) ;; the maximum time that can be represented in the current state
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(minutes) ;; the number of minutes to display
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(seconds)) ;; the number of seconds to display
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;; check how far into the countdown we are
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(setq curr-time (floor (float-time)))
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(setq delta (- curr-time pomodoro-start-time))
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(cond ((equal pomodoro-state 'working)
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(setq symbol pomodoro-work-symbol)
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(setq max-time pomodoro-work-time))
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((equal pomodoro-state 'break)
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(setq symbol pomodoro-break-symbol)
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(setq max-time pomodoro-break-time))
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(t
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(setq symbol "")
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(setq max-time 0)))
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(if (>= delta max-time)
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(setq delta max-time)
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(setq delta (- max-time delta)))
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;; Get the time in minutes and seconds
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(setq minutes (/ delta 60))
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(setq seconds (% delta 60))
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;; Changing state here kinda violates the single-responsibility principle,
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;; but this also prevents me from needing to work with timers which might
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;; just be worse that a function that does more than one thing.
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(if (<= delta 0)
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(progn
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(setq delta 0)
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(pomodoro-toggle-state)))
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(format " %s (%02d:%02d)" symbol minutes seconds)))
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(define-minor-mode pomodoro-local-mode
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"Run a pomodoro timer. Use pomodoro-mode instead of this."
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:init-value nil
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:group 'pomodoro
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:lighter (:eval (pomodoro-get-status-string)))
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;;;###autoload
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(define-globalized-minor-mode pomodoro-mode
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pomodoro-local-mode pomodoro-local-mode
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"Initialize pomodoro-mode in all buffers"
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:group 'pomodoro
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(setq pomodoro-state 'working)
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(setq pomodoro-start-time (floor (float-time))))
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(provide 'pomodoro-mode)
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