[ADD] Redshift configuration

The Redshift package on Arch doesn't seem to add a service file anywhere
so we have to add one ourselves in our configuration directory.

Geoclue doesn't seem to want to play nice with Redshift right now, so I
used the manual setting to add Paris' coordinates.

i3/.config/i3/config

@@ -217,6 +217,8 @@ bindsym XF86MonBrightnessDown exec xbacklight -dec 10
 # Auto start system tray applets
 exec --no-startup-id blueman-applet
 exec --no-startup-id nm-applet
+exec --no-startup-id /usr/lib/geoclue-2.0/demos/agent
+exec --no-startup-id redshift-gtk
 
 # Set the wallpaper
 exec --no-startup-id feh --bg-fill ~/Pictures/wallpapers/starry-night-tree.png

install.sh

@@ -8,11 +8,16 @@ stow -t ~ git
 stow -t ~ i3
 stow -t ~ i3blocks
 stow -t ~ ranger
+stow -t ~ redshift
 stow -t ~ termite
 stow -t ~ tridactyl
 stow -t ~ vim
 stow -t ~ zsh
 
+# Our Redshift services needs to be symlined
+systemctl --user enable redshift
+systemctl --user enable redshift-gtk
+
 if ! [ -e ~/scripts ]; then
     # Only create the symlink when the directory doesn't exist
     mkdir ~/scripts

redshift/.config/redshift/redshift.conf

@@ -0,0 +1,74 @@
+; Global settings for redshift
+[redshift]
+; Set the day and night screen temperatures
+temp-day=5700
+temp-night=2500
+
+; Disable the smooth fade between temperatures when Redshift starts and stops.
+; 0 will cause an immediate change between screen temperatures.
+; 1 will gradually apply the new screen temperature over a couple of seconds.
+fade=1
+
+; Solar elevation thresholds.
+; By default, Redshift will use the current elevation of the sun to determine
+; whether it is daytime, night or in transition (dawn/dusk). When the sun is
+; above the degrees specified with elevation-high it is considered daytime and
+; below elevation-low it is considered night.
+;elevation-high=3
+;elevation-low=-6
+
+; Custom dawn/dusk intervals.
+; Instead of using the solar elevation, the time intervals of dawn and dusk
+; can be specified manually. The times must be specified as HH:MM in 24-hour
+; format.
+dawn-time=6:00-7:45
+dusk-time=18:35-20:15
+
+; Set the screen brightness. Default is 1.0.
+;brightness=0.9
+; It is also possible to use different settings for day and night
+; since version 1.8.
+;brightness-day=0.7
+;brightness-night=0.4
+; Set the screen gamma (for all colors, or each color channel
+; individually)
+gamma=0.8
+;gamma=0.8:0.7:0.8
+; This can also be set individually for day and night since
+; version 1.10.
+;gamma-day=0.8:0.7:0.8
+;gamma-night=0.6
+
+; Set the location-provider: 'geoclue2', 'manual'
+; type 'redshift -l list' to see possible values.
+; The location provider settings are in a different section.
+; FIXME: geoclue doesn't want to cooperate on my machine
+location-provider=geoclue2
+
+; Set the adjustment-method: 'randr', 'vidmode'
+; type 'redshift -m list' to see all possible values.
+; 'randr' is the preferred method, 'vidmode' is an older API.
+; but works in some cases when 'randr' does not.
+; The adjustment method settings are in a different section.
+adjustment-method=randr
+
+; Configuration of the location-provider:
+; type 'redshift -l PROVIDER:help' to see the settings.
+; ex: 'redshift -l manual:help'
+; Keep in mind that longitudes west of Greenwich (e.g. the Americas)
+; are negative numbers.
+[manual]
+; Paris coordinates
+lat=48.853
+lon=2.349
+
+; Configuration of the adjustment-method
+; type 'redshift -m METHOD:help' to see the settings.
+; ex: 'redshift -m randr:help'
+; In this example, randr is configured to adjust only screen 0.
+; Note that the numbering starts from 0, so this is actually the first screen.
+; If this option is not specified, Redshift will try to adjust _all_ screens.
+[randr]
+screen=0
+
+; vim: ft=dosini cms=;%s

redshift/.config/systemd/user/default.target.wants/redshift-gtk.service

@@ -0,0 +1 @@
+/home/ambroisie/.config/systemd/user/redshift-gtk.service

redshift/.config/systemd/user/redshift-gtk.service

@@ -0,0 +1,11 @@
+[Unit]
+Description=Redshift display colour temperature adjustment (GUI)
+Documentation=http://jonls.dk/redshift/
+After=display-manager.service
+
+[Service]
+ExecStart=@bindir@/redshift-gtk
+Restart=always
+
+[Install]
+WantedBy=default.target

redshift/.config/systemd/user/redshift.service

@@ -0,0 +1,12 @@
+[unit]
+description=redshift display colour temperature adjustment
+documentation=http://jonls.dk/redshift/
+after=display-manager.service
+
+[service]
+environment=display=:0
+execstart=/usr/bin/redshift
+restart=always
+
+[install]
+wantedby=default.target