/etc/profile.d/mate-qt.sh is in ubuntu-mate-default-settings 18.04.17.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 | # MATE Desktop Qt integrations
if [ "x$DESKTOP_SESSION" == "xmate" ] || [ "x$XDG_SESSION_DESKTOP" == "xmate" ]; then
# QT apps to use GTK styling
export QT_QPA_PLATFORMTHEME=gtk2
fi
|