Qt-based GUI app, that make screenshot on the timer. Check every next screenshot with previous and gives similarity in %.
Every calculation of similarity and checksum goes in separate thread.
Also have SQLite-based database that store all of screenshots and retrive last after opening app again.
cmake -S . -B build && cmake --build build./build/screenshoter
Wayland based desktop environments are not supported
Check with
echo $XDG_SESSION_TYPE