I switched recently from I3wm to xmonad. On my I3, all the colors of rofi, bars, terminal, background and browser are matching. I archived this with pywal
Pywal is a tool that generates a color palette from the dominant colors in an image. It then applies the colors system-wide and on-the-fly in all of your favourite programs.
I want to have some similar in xmonad and xmobar. To avoid cross sym-linking and get all my config files on one place (my dotfile dir), I had to be a little bit creative.
I have created a xmonad theme switcher script, which changed the colors in the xmonad and xmobar configuration.
After setting up my base configuration for both, I created template files. This file will be processed with and bash script:
#!/bin/bash
input="/home/maren/.cache/wal/colors.yml"
# yq is a command line yaml parser which allows querring yaml with a selector
yq r ~/.cache/wal/colors.yml special.background
yq r ~/.cache/wal/colors.yml special.foreground
background=$(yq r ~/.cache/wal/colors.yml special.background )
foreground=$(yq r ~/.cache/wal/colors.yml special.foreground )
color0=$(yq r ~/.cache/wal/colors.yml colors.color0 )
color1=$(yq r ~/.cache/wal/colors.yml colors.color1 )
color2=$(yq r ~/.cache/wal/colors.yml colors.color2 )
color3=$(yq r ~/.cache/wal/colors.yml colors.color3 )
color4=$(yq r ~/.cache/wal/colors.yml colors.color4 )
color5=$(yq r ~/.cache/wal/colors.yml colors.color5 )
color6=$(yq r ~/.cache/wal/colors.yml colors.color6 )
color7=$(yq r ~/.cache/wal/colors.yml colors.color7 )
color8=$(yq r ~/.cache/wal/colors.yml colors.color8 )
color9=$(yq r ~/.cache/wal/colors.yml colors.color9 )
color10=$(yq r ~/.cache/wal/colors.yml colors.color10 )
color11=$(yq r ~/.cache/wal/colors.yml colors.color11 )
color12=$(yq r ~/.cache/wal/colors.yml colors.color12 )
color13=$(yq r ~/.cache/wal/colors.yml colors.color13 )
color14=$(yq r ~/.cache/wal/colors.yml colors.color14 )
color15=$(yq r ~/.cache/wal/colors.yml colors.color15 )
sed -e "s/BGCOLOR/$background/g" \
-e "s/FGCOLOR/$foreground/g" \
-e "s/COLOR1/$color1/g" \
-e "s/COLOR2/$color2/g" \
-e "s/COLOR3/$color3/g" \
-e "s/COLOR4/$color4/g" \
-e "s/COLOR5/$color5/g" \
-e "s/COLOR6/$color6/g" \
-e "s/COLOR7/$color7/g" \
-e "s/COLOR8/$color8/g" \
-e "s/COLOR9/$color9/g" \
-e "s/COLOR10/$color10/g" \
-e "s/COLOR11/$color11/g" \
-e "s/COLOR12/$color12/g" \
-e "s/COLOR13/$color13/g" \
-e "s/COLOR14/$color14/g" \
-e "s/COLOR15/$color15/g" \
/home/maren/dotfiles/xmobar/xmobarrc1-template > /home/maren/dotfiles/xmobar/xmobarrc1
sed -e "s/BGCOLOR/$background/g" \
-e "s/FGCOLOR/$foreground/g" \
-e "s/COLOR1/$color1/g" \
-e "s/COLOR2/$color2/g" \
-e "s/COLOR3/$color3/g" \
-e "s/COLOR4/$color4/g" \
-e "s/COLOR5/$color5/g" \
-e "s/COLOR6/$color6/g" \
-e "s/COLOR7/$color7/g" \
-e "s/COLOR8/$color8/g" \
-e "s/COLOR9/$color9/g" \
-e "s/COLOR10/$color10/g" \
-e "s/COLOR11/$color11/g" \
-e "s/COLOR12/$color12/g" \
-e "s/COLOR13/$color13/g" \
-e "s/COLOR14/$color14/g" \
-e "s/COLOR15/$color15/g" \
/home/maren/dotfiles/xmobar/xmobarrc0-template > /home/maren/dotfiles/xmobar/xmobarrc0
sed -e "s/BGCOLOR/$background/g" \
-e "s/FGCOLOR/$foreground/g" \
-e "s/COLOR1/$color1/g" \
-e "s/COLOR2/$color2/g" \
-e "s/COLOR3/$color3/g" \
-e "s/COLOR4/$color4/g" \
-e "s/COLOR5/$color5/g" \
-e "s/COLOR6/$color6/g" \
-e "s/COLOR7/$color7/g" \
-e "s/COLOR8/$color8/g" \
-e "s/COLOR9/$color9/g" \
-e "s/COLOR10/$color10/g" \
-e "s/COLOR11/$color11/g" \
-e "s/COLOR12/$color12/g" \
-e "s/COLOR13/$color13/g" \
-e "s/COLOR14/$color14/g" \
-e "s/COLOR15/$color15/g" \
/home/maren/dotfiles/xmonad/xmonad-template.hs > /home/maren/dotfiles/xmonad/xmonad.hs
killall xmobar
xmonad --recompile; xmonad --restart
And here is my xmobar config:
Config { font = "xft:Ubuntu:weight=bold:pixelsize=14:antialias=true:hinting=true"
, additionalFonts = [ "xft:Mononoki Nerd Font:pixelsize=14:antialias=true:hinting=true"
, "xft:Mononoki Nerd Font:pixelsize=16:antialias=true:hinting=true"
, "xft:FontAwesome:pixelsize=13"
]
, bgColor = "BGCOLOR"
, fgColor = "FGCOLOR"
, position = Static { xpos = 0 , ypos = 0, width = 1920, height = 24 }
, lowerOnStart = True
, hideOnStart = False
, allDesktops = True
, persistent = True
, commands = [
-- Time and date
Run Date "<fn=1>\xf133 </fn> %b %d %Y - %H:%M " "date" 50
-- Network up and down
, Run Wireless "wlp3s0" [ "-t", "<essid>" ] 10
, Run Network "enp0s31f6" ["-t", "<fn=1>\xf0aa </fn> <rx>kb <fn=1>\xf0ab </fn> <tx>kb"] 20
-- Cpu usage in percent
, Run Cpu ["-t", "<fn=1>\xf108 </fn> cpu: (<total>%)","-H","50","--high","red"] 20
-- Ram used number and percent
, Run Memory ["-t", "<fn=1>\xf233 </fn> mem: <used>M (<usedratio>%)"] 20
-- Disk space free
, Run DiskU [("/", "<fn=1>\xf0c7 </fn> hdd: <free> free")] [] 60
-- Runs custom script to check for pacman updates.
-- This script is in my dotfiles repo in .local/bin.
-- watson is a time tracker tool, i wraped some calls
-- this shows eg. , " {taskname} started 2 hours ago / Friday 27 November 2020 (4h 40m 00s)"
, Run Com "watson.sh" ["-l"] "watson" 60
, Run Com "watson.sh" ["-s"] "watson2" 60
, Run UnsafeStdinReader
]
, sepChar = "%"
, alignSep = "}{"
, template = " <action=`xdotool key control+alt+g`><icon=haskell_20.xpm/> </action><fc=FGCOLOR> |</fc> %UnsafeStdinReader% }{ <fc=FGCOLOR><fn=2>|</fn> </fc><fc=COLOR3> %cpu% </fc><fc=FGCOLOR> <fn=2>|</fn></fc> <fc=COLOR3> %memory% </fc><fc=FGCOLOR> <fn=2>|</fn></fc> <fc=COLOR3> %disku% </fc><fc=FGCOLOR> <fn=2>|</fn></fc> <fc=COLOR4> %enp0s31f6% </fc><fc=FGCOLOR> <fn=2>|</fn></fc> <fc=FGCOLOR> <fn=2>|</fn></fc> <fc=COLOR4> %wlp3s0wi% </fc><fc=FGCOLOR> <fn=2>|</fn></fc> <fc=COLOR1> %date% </fc><fc=FGCOLOR><fn=2>|</fn></fc> <fc=COLOR1>%watson2% / %watson%</fc> "
}
My templates for xmonad are here
It is very simple and is maybe the fastest approach.
Used tool:
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