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-*- mode: org -*-
* About
=Emacs-Redshift= (aka =redshift.el=) provides an Emacs interface to
[[https://github.com/jonls/redshift][Redshift]] for changing display
color temperature.
* Installation
Emacs-Redshift can be used from a Git checkout and can be installed
using Guix.
** Git checkout
Clone a Git repository:
#+BEGIN_SRC sh
git clone https://github.com/wigust/emacs-redshift
#+END_SRC
Add it to Emacs =load-path= in your init file and load:
#+BEGIN_SRC emacs-lisp
(add-to-list 'load-path (expand-file-name "~/emacs-redshift"))
(require 'redshift)
#+END_SRC
** Guix
Clone a Git repository:
#+BEGIN_SRC sh
git clone https://github.com/wigust/emacs-redshift
cd emacs-redshift
#+END_SRC
Install a Guix package with:
#+BEGIN_SRC sh
guix package -f guix.scm
#+END_SRC
* Usage
Call =M-x redshift-set-temp= to set a display temperature.
Call =M-x redshift-increase-temp= to increase a display temperature.
Call =M-x redshift-decrease-temp= to decrease a display temperature.
To change increment for =redshift-increase-temp= and
=redshift-decrease-temp= set =redshift-temp-increment= to a number.
#+BEGIN_SRC emacs-lisp
(setq redshift-temp-increment 100)
#+END_SRC
* Keys
You could use [[https://github.com/abo-abo/hydra][Hydra]] to get an
interactive interface:
#+BEGIN_SRC emacs-lisp
(defhydra hydra-redshift () "redshift"
("g" redshift-set-temp "set")
("n" redshift-decrease-temp "decrease")
("p" redshift-increase-temp "increase"))
#+END_SRC
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