Table of contents

XFCE

default applications

change default applications (terminal, file and web browser)

exo-preferred-applications

system wide default applications for mime types

/usr/share/applications/defaults.list

user specific overrides

~/.config/mimeapps.list
~/.local/share/applications/mimeapps.list
~/.local/share/applications/defaults.list

notifications daemon

changing notification appearance

xfce4-notifyd-config

documentation

https://docs.xfce.org/apps/notifyd/start

dconf utility

list child nodes

dconf list /
dconf list /[path]/

get property for key

dconf read /org/x/editor/preferences/editor/scheme

set property for key

dconf write /org/x/editor/preferences/editor/scheme "'cobalt'"

xfconf-query

help

xfconf-query -h
https://docs.xfce.org/xfce/xfconf/xfconf-query

list channels

xfconf-query -l

list properties for channel

xfconf-query -c xfce4-keyboard-shortcuts -l

show the value of a property

xfconf-query -c xfce4-keyboard-shortcuts -p '/xfwm4/default/<Alt>F10'

list properties with their values

for option in $(xfconf-query -c xfce4-keyboard-shortcuts -l)
do
	echo -e "$option => $(xfconf-query -c xfce4-keyboard-shortcuts -p $option)"
done

update existing value

xfconf-query -c [channel] -t string -p [property] -s "[value]"

create or update new or existing value

xfconf-query --create -c [channel] -t string -p [property] -s "[value]"

insert array

xfconf-query -c test -p /test -t int -t int -t string -s 100 -s 200 -s "blablabla"

reset property

xfconf-query -c [channel] -p [property] -r -R

real example: set ctrl + shift + numpad-up to snap window to top

xfconf-query --create -c xfce4-keyboard-shortcuts -t string -p '/xfwm4/custom/<Primary><Shift>KP_Up' -s "tile_up_key"

config files for keyboard shortcuts (locate xfce4-keyboard-shortcuts.xml)

~/.config/xfce4/xfconf/xfce-perchannel-xml/xfce4-keyboard-shortcuts.xml
/etc/xdg/xfce4/xfconf/xfce-perchannel-xml/xfce4-keyboard-shortcuts.xml
/usr/share/mint-configuration-xfce/xfce4/xfconf/xfce-perchannel-xml/xfce4-keyboard-shortcuts.xml

further reading

https://docs.xfce.org/xfce/xfconf/xfconf-query
https://wiki.archlinux.org/index.php/Display_Power_Management_Signaling