From: David De La Harpe Golden <david@harpegolden.net>
To: "Jan Djärv" <jan.h.d@swipnet.se>
Cc: Luka Novsak <lnovsak@gmail.com>, 9181@debbugs.gnu.org
Subject: bug#9181: 24.0.50; Alpha transparency no longer works
Date: Wed, 03 Aug 2011 16:12:03 +0100 [thread overview]
Message-ID: <4E396543.9020304@harpegolden.net> (raw)
In-Reply-To: <4E39361E.9020001@swipnet.se>
On 03/08/11 12:50, Jan Djärv wrote:
>> ...I've yet to encounter any that propagate the property...
>
> Metacity (gnome 2.x) and unity-decorator (Ubunty 11.04) does.
>
Shrug. Metacity 2.34.1 does not appear to do so on my system. Dunno
about unity, not in a position to try it without excessive messing
about. Setting opacity on the client window absolutely does _work_ (i.e.
make the window translucent) under metacity with its compositing
enabled, but it doesn't actually propagate the window property as such.
i.e. If I disable metacity builtin compositing and use xcompmgr with
metacity instead, it's not picked up, which I checked in case xprop and
xwininfo -tree were lying to me (they apparently weren't).
> Typical compsiting managers are separate programs from the window
> manager (compiz for example), so they don't know what window is the
> client window.
Except they aren't anymore, most compositing managers you encounter
nowadays _are_ combined compositing/window managers e.g. kwin, xfwm4,
metacity. Also compiz: nowadays typically run as a sort of combined
(though multiprocess) compositing window manager with a "compiz window
decorator" rather than a separate true traditional wm. The gtk+ one
looks like metacity, uses metacity themes ...isn't metacity. And is
apparently non-reparenting => no propagation involved anyway.
I do understand the motivation for the propagation hack, but it's just
not what current versions of currently typical desktop env wms seem to
be doing (AFAICT on my debian/unstable system). Again, either way,
emacs blindly setting the property on its parent is the wrong thing. I
just suspect filing bugs upstream to window managers for the
non-propagation at this stage is something of a lost cause.
next prev parent reply other threads:[~2011-08-03 15:12 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-25 20:41 bug#9181: 24.0.50; Alpha transparency no longer works Luka Novsak
2011-07-28 12:10 ` David De La Harpe Golden
[not found] ` <CAE6FkMJNzKxmfpx+tCE4PaACMJQL3ih4RiOrWXGGHMjcrJuaqA@mail.gmail.com>
2011-07-28 18:16 ` Luka Novsak
2011-07-28 23:07 ` David De La Harpe Golden
2011-07-29 9:34 ` Jan Djärv
[not found] ` <CAE6FkM+TJPFJ9ETwYM+1fg9f6LE54YeC=2t8yN8xLx_KqwBRCw@mail.gmail.com>
2011-07-29 17:46 ` Luka Novsak
2011-07-30 7:04 ` Jan Djärv
2011-08-02 20:23 ` Luka Novsak
2011-08-02 20:28 ` Lars Magne Ingebrigtsen
2011-08-02 20:49 ` Luka Novsak
2011-08-03 8:13 ` Jan Djärv
2011-08-03 8:22 ` David De La Harpe Golden
2011-08-03 11:50 ` Jan Djärv
2011-08-03 15:12 ` David De La Harpe Golden [this message]
2011-08-03 17:29 ` Luka Novsak
2011-08-03 19:01 ` David De La Harpe Golden
2011-08-04 11:14 ` Jan Djärv
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