Just a few things to note: - It seems to spawn about 4 or 5 server instances before it actually gets to your session. Is this intended? - LightDM doesn't appear to pull in your gtkrc or anything from gnome-settings-daemon (eg a11y properties and the like). Will this be resolved?
On Thu, Oct 21, 2010 at 12:02 PM, Robert Ancell <[email protected]>wrote: > I'm proposing LightDM [1] as a replacement for GDM. However, due to > the young age of the project and the importance in the desktop stack I > don't think it's ready for immediate adoption. I'd like to go through > the proposal process, encourage feedback, encourage developers to try > it during 3.0 and re-propose it for 3.2. > > Why replace GDM? > - There are approximately 50,000 lines of code in GDM compared to > about 5,000 in LightDM (they are both C+gobject based). This makes it > significantly easier to work on. > - The GDM greeter is slow due to it loading the GNOME session, the > example GTK+ LightDM greeter is very lightweight (so is comparable to > the speed of the old GDM and newer display managers like LXDM). > - The GDM greeter has very limited themeing capabilities. A > contributor to LightDM (PCMan) was able to quickly write a new greeter > that used GtkBuilder and provided comparable themeing support to the > old GDM. > - While it is technically possible to write an alternate greeter for > GDM, in practise it is too difficult. LightDM has been designed from > the start to make writing a greeter no harder than a standard X > application. > - All X server users have pretty much the same requirements beyond the > login GUI. By using LightDM the development effort of maintaining the > display manager can be shared between projects (GNOME, KDE, LXDE, > XFCE). > > Once the basics are complete, there are some innovations I'd like to build > on: > - Transitions between the greeter and the session (will work with the > GNOME Shell team to make these possible). > - Making the greeter provide authentication for the general desktop > (e.g. for PolicyKit). The display manager can run X applications that > use different authorization, thus stopping the session applications > from snooping passwords. > - Support for new XDMCP authentication/authorization schemes > (XDM-AUTHORIZATION-2). > > The details: > Purpose: Cross-desktop display manager > Target: desktop > Dependencies: libglib, libpam, libxdmcp, libxcb, libck-connector, > libxklavier, gobject-introspection, libgtk+ > Resource Usage: Launchpad for source control and bug tracking [1], > tarballs in public ftp [2] (plan on moving to freedesktop.org) > Adoption: Not currently used by default anywhere, being proposed for Ubuntu > [3] > GNOME-ness: Display manager is cross-desktop, example GTK+ greeter is > fully GNOME compliant. I would recommend this module is maintained in > the GNOME servers to get all the build and translation support. > 3.0 readiness: GTK greeter currently using GTK2, but all other code > uses latest GNOME standards. > License: GPL3 > > [1] https://launchpad.net/lightdm > [2] http://people.ubuntu.com/~robert-ancell/lightdm/releases/ > [3] > https://blueprints.launchpad.net/ubuntu/+spec/packageselection-desktop-n-display-manager > _______________________________________________ > desktop-devel-list mailing list > [email protected] > http://mail.gnome.org/mailman/listinfo/desktop-devel-list > -- Sam Spilsbury
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