i3-config

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# Window decoration

new_window pixel 2

bindsym $mod+u border none

bindsym $mod+z border pixel 2

bindsym $mod+n border normal

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# Pulse Audio controls
bindsym XF86AudioRaiseVolume exec --no-startup-id pactl set-sink-volume 0 +5% #increase sound volume
bindsym XF86AudioLowerVolume exec --no-startup-id pactl set-sink-volume 0 -5% #decrease sound volume
bindsym XF86AudioMute exec --no-startup-id pactl set-sink-mute 0 toggle # mute sound

# Sreen brightness controls
bindsym XF86MonBrightnessUp exec xbacklight -inc 20 # increase screen brightness
bindsym XF86MonBrightnessDown exec xbacklight -dec 20 # decrease screen brightness

# Touchpad controls
bindsym XF86TouchpadToggle exec /some/path/toggletouchpad.sh # toggle touchpad

# Media player controls
bindsym XF86AudioPlay exec playerctl play
bindsym XF86AudioPause exec playerctl pause
bindsym XF86AudioNext exec playerctl next
bindsym XF86AudioPrev exec playerctl previous

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# Autostart programs

exec --no-startup-id ~/.fehbg

exec --no-startup-id nm-applet

exec --no-startup-id xautolock -time 5 -locker "i3lock -i /usr/share/wallpapers/Ethais/contents/images/1366x768.png"

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# Custom keybindings

bindsym $mod+F2 exec --no-startup-id dolphin

bindsym $mod+F3 exec --no-startup-id firefox

bindsym $mod+F4 exec --no-startup-id gvim

bindsym $mod+0 exec --no-startup-id i3lock -i /usr/share/wallpapers/Ethais/contents/images/1366x768.png

bindsym Print exec "scrot -e 'mv $f ~/Screenshots'"

bindsym $mod+Print exec "scrot -ue 'mv $f ~/Screenshots'"

bindsym $mod+Shift+0 exit

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workspace_auto_back_and_forth yes

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Launch applications on specified workspaces
At first, you need to find out the xprop window class of your target application. For this, start xprop and click on the application window. The 2nd string under WM_CLASS(STRING) is the string you need to know in the next step: add the following line to your i3 config file (and replace CLASS with the just determined string):
assign [class="CLASS"] 10

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sudo apt-get install lxappearance gtk-chtheme qt4-qtconfig

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bindsym $mod+1 workspace 1: mail

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https://github.com/vivien/i3blocks

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#!/bin/bash                                                                                                        
 
# count how many updates we have got
ups=`/usr/lib/update-notifier/apt-check --human-readable | head -1 | awk '{print $1;}'`
 
# print the results
if [ "$ups" -eq "1" ]
then
  echo "There is 1 update"
elif [ "$ups" -gt "1" ]
then
  echo "There are $ups updates"
elif [ -f /var/run/reboot-required ]; then
     echo 'Reboot required'
else
  echo "Up to date"
fi

# Update status
[updates]
label=
interval=3600
command=/path/to/update/status/script/from/above