Sway
How to take a screenshot in Sway using slurp, grim, and swappy
slurp is a tool to select a region in a Wayland compositor and print it to the standard output.
grim is a tool to grab images from a Wayland compositor.
swappy is a Wayland native snapshot and editor tool, inspired by Snappy on macOS.
Install slurp, grim, and swappy (Arch Linux)
sudo pacman -S slurp grim swappy
Bind the command to the Print key
Add this line to the sway config file ~/.config/sway/config