Fill the cup to inhibit auto suspend and screensaver.
White: Empty cup = normal auto suspend and screensaver. Filled cup = auto suspend and screensaver off. Green: No empty cup status. Filled cup = auto suspend and screensaver off always.
take fedora as example, build caffeine plus need below packages: cmake extra-cmake-modules qt5-qtbase-devel qt5-qtquickcontrols2-devel kf5-plasma-devel kf5-kio-devel
git clone git://github.com/qunxyz/plasma-applet-caffeine-plus.git
cd plasma-applet-caffeine-plus
./install.sh
./shell-restart.sh
Then enable the extension.
git clone git://github.com/qunxyz/plasma-applet-caffeine-plus.git
cd plasma-applet-caffeine-plus
./dev-build.sh