To enable this in LightDM, set X-LightDM-DesktopName in /usr/share/xsessions/*.desktop. i.e. for Unity:
/usr/share/xsessions/ubuntu.desktop: [Desktop Entry] Name=Ubuntu Comment=This session logs you into Ubuntu Exec=gnome-session --session=ubuntu TryExec=unity Icon= Type=Application X-LightDM-DesktopName=Unity X-Ubuntu-Gettext-Domain=gnome-session-3.0 The registered desktop names are in http://standards.freedesktop.org /menu-spec/latest/apb.html -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-session in Ubuntu. https://bugs.launchpad.net/bugs/1212408 Title: lightdm needs to set $XDG_CURRENT_DESKTOP Status in Light Display Manager: Fix Released Status in “gnome-session” package in Ubuntu: Fix Released Status in “lightdm” package in Ubuntu: Fix Released Bug description: Since the switch to upstart, some processes in the user environment, such as gnome-screensaver, now get launched without $XDG_CURRENT_DESKTOP being set. This is currently causing screen locking issues. This used to get set by gnome-session, but it is no longer high enough in the process tree to set it for the complete user session. Consensus in #ubuntu-desktop was that lightdm should be setting it. To manage notifications about this bug go to: https://bugs.launchpad.net/lightdm/+bug/1212408/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
