I3 window manager configuration

#prevent wrapping (looping) of focus
focus_wrapping no

# lock and syspend on $mod+l or $mod+Shift+l
bindsym $mod+l exec i3lock -e
bindsym $mod+Shift+l exec "i3lock -e; systemctl suspend"

###
#Mouse/touchpad
#https://www.reddit.com/r/i3wm/comments/4efbsm/mouse_speed/
# xinput list | grep HID
# xinput list-props 13
#exec_always xinput set-prop 15 328 -1
#exec_always xinput set-prop 11 317 -0.8

#touchpad acer laptop:
#exec_always xinput set-prop 13 312 1  #natural scrolling on
#exec_always xinput set-prop 13 332 1  #enable tapping

#touchpad HP laptop:
#   xinput list-props "ELAN071A:00 04F3:30FD Touchpad"
exec_always xinput set-prop "ELAN071A:00 04F3:30FD Touchpad" "libinput Tapping Enabled" 1
exec_always xinput set-prop "ELAN071A:00 04F3:30FD Touchpad" "libinput Natural Scrolling Enabled" 1


# https://faq.i3wm.org/question/3747/enabling-multimedia-keys.1.html
# Pulse Audio controls (may need to change the '1' to '0'...
# increase cound volume:
#bindsym XF86AudioRaiseVolume exec --no-startup-id "pactl set-sink-volume 1 +5%; pactl set-sink-volume 0 +5%"
bindsym $mod+F2 exec --no-startup-id "pactl set-sink-volume 1 +3dB%; pactl set-sink-volume 0 +3dB"

#decrease sound volume
#bindsym XF86AudioLowerVolume exec --no-startup-id "pactl set-sink-volume 1 -5%;pactl set-sink-volume 0 -5%"
bindsym $mod+F1 exec --no-startup-id "pactl set-sink-volume 1 -3dB;pactl set-sink-volume 0 -3dB"

bindsym $mod+F3 exec --no-startup-id "playerctl play-pause"



# increase/decrease brightness. See hp-brightness script below.
bindsym $mod+Ctrl+Right   exec --no-startup-id  sudo /usr/local/bin/hp-brightness +5
bindsym $mod+Ctrl+Left    exec --no-startup-id  sudo /usr/local/bin/hp-brightness -5

#https://erikdubois.be/two-different-ways-make-screenshot-i3/
#gnome-screenshot -i
bindsym Control+Print exec gnome-screenshot -c -a 

# start zoom (boomer): 
# https://github.com/tsoding/boomer
# to build: apt install nim
bindsym $mod+z exec "/home/joost/rommel/boomer/boomer"

# lock and suspend on $mod+l or $mod+Shift+l
bindsym $mod+l       exec "i3lock -e -i /home/joost/rommel/GHG-rotterdam-clouds.png"
#bindsym $mod+l       exec "i3lock -e -t -i /home/joost/rommel/GHG-terras.png"
bindsym $mod+Shift+l exec "i3lock -e -i /home/joost/rommel/GHG-rotterdam-clouds.png; systemctl suspend"

Lock-on-Suspend

Does this [1] work?

Scripts

The hp-brightness script in /usr/local/bin/hp-brightness:

#!/bin/dash

D=/sys/class/backlight/amdgpu_bl0
ACTUAL=`cat ${D}/actual_brightness`

NEW=`/usr/bin/python3 -c "print(max(min(${ACTUAL} + $1, 100), 10))" `
echo ${ACTUAL}, ${NEW}
echo ${NEW} > ${D}/brightness