--nextPart5055309.BPc0AjTPd4
Content-Transfer-Encoding: quoted-printable
Content-Type: text/plain; charset="utf-8"

On Wednesday 12 October 2011 19:38:11 Oswald Buddenhagen wrote:
> On Wed, Oct 12, 2011 at 04:47:54PM +0200, Dario Freddi wrote:
> > 2011/10/12 Martin Gr=C3=A4=C3=9Flin <mgraesslin@kde.org>:
> > > ok I have been thinking about it and have a new proposal:
> > > * writing a kded module to only handle the screen locking (grab k=
eyboard
> > > and mouse)
> >=20
> > TBH, if you really care about not making the thing crash, I would n=
ot
> > put it into KDED, which has a lot of things which are not under you=
r
> > control potentially crashy, but into a separate running daemon.
>=20
> my first thought, too. :}
ok, so a separate running daemon it shall be
>=20
> > > * having greeter in a separate process, so that the kded module c=
an
> > > restart
> > > the greeter in case it crashes
> > > * use xproperty on all greeter windows to inform the compositor w=
hich
> > > windows belong to it
>=20
> i'm assuming you are including the locker/saver window in "greeter
> windows"?
Yes, everything "visual" in the separate process.
>=20
> > > * use a kwin effect to additionally ensure that the screen is
> > > blanked and nothing gets above the greeter windows
>=20
> that seems superfluous. the presence of the locker window simultaneou=
sly
> indicates "locker mode" and provides "blanking content" (rendered by =
an
> out-of-process hack and blanked in-process as a fallback). when that =
goes
> away unexpectedly, all bets are off anyway.
See Thomas mail: with compositing enabled some xscreensavers fail to bl=
ank the=20
screen. The main reason for the effect would be to fade in/out the lock=
er, but=20
when we have it, we can also use it to fix this annoying bug only prese=
nt with=20
compositing.

Cheers
Martin

--nextPart5055309.BPc0AjTPd4
Content-Type: application/pgp-signature; name="signature.asc"
Content-Description: This is a digitally signed message part.

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.11 (GNU/Linux)

iEYEABECAAYFAk6WoL8ACgkQqVXwidMiVrr05wCbB2pxSdpIFbCFtcF3s2coAHxH
fr4An0FLeccZJhoqr4sUkB+FC5GpLfNh
=vm2B
-----END PGP SIGNATURE-----

--nextPart5055309.BPc0AjTPd4--