pomm.el/README.org

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#+TITLE: pomm.el
Yet another implementation of a [[https://en.wikipedia.org/wiki/Pomodoro_Technique][pomodoro timer]] for Emacs.
[[./img/screenshot.png]]
This particular package features:
- Managing the timer with the excellent [[https://github.com/magit/transient/blob/master/lisp/transient.el][transient.el]].
- Persistent state between Emacs sessions.
The timer state isn't reset if you close Emacs. Also, the state file can be synchronized between machines.
None of the available [[*Alternatives][alternatives]] were doing quite what I wanted, and the idea of the timer is quite simple, so I figured I'd implement one myself.
* Installation
While the package is available only in this repository, one way to install is to clone the repository, add the package to the =load-path= and load it with =require=:
#+begin_src emacs-lisp
(require 'pomm)
#+end_src
My preferred way is =use-package= with =straight.el=:
#+begin_src emacs-lisp
(use-package pomm
:straight (:host github :repo "SqrtMinusOne/pomm.el")
:commands (pomm))
#+end_src
The package requires Emacs 27.1 because the time API of the previous versions is kinda crazy and 27.1 has =time-convert=.
* Usage
Run =M-x pomm= to open the transient buffer.
The listed commands are rather self-descriptive and match the Pomodoro ideology.
The timer can have 3 states:
- *Stopped*. Can be started with "s" or =M-x pomm-start=. A new iteration of the timer will be started.
- *Paused*. Can be continuted with "s" / =M-x pomm-start= or stopped competely with "S" / =M-x pomm-stop=.
- *Running*. Can be paused with "p" / =M-x pomm-pause= or stopped with "S" / =M-x pomm-stop=.
The state of the timer can be reset with "R" or =M-x pomm-reset=.
"U" updates the transient buffer. The update is manual because I didn't figure out how to automate this, and I think this is not /really/ necessary.
* Customization
Some settings are available in the transient buffer, but you can customize the relevant variables to make them permanent. Check =M-x customize-group= =pomm= for more information.
** Alerts
The package sends alerts via =alert.el=. The default style of alert is a plain =message=, but if you want an actual notification, set =alert-default-style= accordingly:
#+begin_src emacs-lisp
(setq alert-default-style 'libnotify)
#+end_src
** Modeline
If you want the timer to display in the modeline, activate the =pomm-mode-line-mode= minor mode.
** Polybar module
If you want to display the Pomodoro status in something like polybar, you can add the following lines to your config:
#+begin_src emacs-lisp
(add-hook 'pomm-on-tick-hook 'pomm-update-mode-line-string)
(add-hook 'pomm-on-status-changed-hook 'pomm-update-mode-line-string)
#+end_src
Create a script like this:
#+begin_src bash
if ps -e | grep emacs >> /dev/null; then
emacsclient --eval "(if (boundp 'pomm-current-mode-line-string) pomm-current-mode-line-string \"\") " | xargs echo -e
fi
#+end_src
And add a polybar module definition to your polybar config:
#+begin_src conf-windows
[module/pomm]
type = custom/script
exec = /home/pavel/bin/polybar/pomm.sh
interval = 1
#+end_src
** State file location
The package stores the current state to a file by the path =pomm-state-file-location=, which is =emacs.d/pomm= by default. Set it to wherever you like.
* Alternatives
There is a number of packages with a similar purpose, here are some:
- [[https://github.com/marcinkoziej/org-pomodoro/tree/master][org-pomodoro]]
- [[https://github.com/TatriX/pomidor/][pomidor]]
- [[https://github.com/baudtack/pomodoro.el/][pomodoro.el]]
- [[https://github.com/konr/tomatinho/][tomatinho]]
- [[https://github.com/ferfebles/redtick][redtick]]
Be sure to check those out if this one doesn't quite fit your workflow!
* P.S.
The package name is not an abbreviation. I just hope it doesn't mean something horrible in some language I don't know.