In Ubuntu 18.04LTS you can install the "arc-theme" package that contains arc-dark theme, then you will have to install "qt5-style-plugins" and set Qt5 applications to use the Gtk+ 2 style by adding:
echo "export QT_QPA_PLATFORMTHEME=gtk2" >> ~/.profile After that you have to logout and install a dark theme for LyX: https://github.com/joonro/LyX-Color-Schemes/blob/master/monokai Source: https://www.linuxuprising.com/2018/05/get-qt5-apps-to-use-native-gtk-style-in.html ** Attachment added: "LyX dark" https://bugs.launchpad.net/ubuntu/+source/lyx/+bug/395767/+attachment/5280231/+files/Captura%20de%202019-07-31%2022-32-38.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/395767 Title: Lyx does not support dark themes To manage notifications about this bug go to: https://bugs.launchpad.net/lyx/+bug/395767/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
