Dunno if this is related - but I sometimes get momentary loss of focus when my screen desktop decides to move onto the next image. I run a screen setup where the desktop image is taken from a folder of images and is changed every 30 mins. This is not sufficiently annoying to make me complain, and perhaps is a 'Finder feature' - I presume that it's too busy messing with image resize to pass on keyboard events (just guessing). On 25 Aug 2009, at 18:03, Jeremy Huddleston wrote:
On Aug 25, 2009, at 08:01, Eeri Kask wrote:
At first sight it seemed this phenomenon happens about once per hour, a longer observation revealed it happens at the same time *exactly* once per hour, the time-point probably depending on the moment the machine is started.
It seems to happen when an application marked LSUIElement is launched. This should have no effect on the focused application, but it seems to be what triggers this momentary focus loss.
The bug report for this issue is here: http://xquartz.macosforge.org/trac/ticket/58
As it seemed like a "cron"-daemon-like problem I purposefully started shutting down system processes as much as I could, please find attached the minimal process list I ended up after booting into running a usable computing environment which still includes a configuration showing this X11->Aqua->X11 phenomenon. (Being new to MacOS, not knowing any better I had to scramble Finder, Dock, Spotlight, etc *.app/ directories to keep them all off while booting ... I am very grateful to any hint how to accomplish this by some less-intrusive method, e.g. some appropriate launchd-setting or whatever is the intended method for that.)
Note that this doesn't work under SL, but here's what you want to do for Leo: sudo launchctl unload -w /System/Library/LaunchDaemon/_____.plist sudo launchctl unload -w /System/Library/LaunchAgent/_____.plist
Looking at this process list there seem not very many candidates hiding the problem,
It's probably not something already running. It's likely something starting that causes the problem.
and simply shooting off "UserEventAgent" I finally could reproduce this screen-switching phenomenon willfully. It appears this service is automatically started anew and during this time I always observed the screen-switching. So it appears in my case the problem is in
/System/Library/UserEventPlugins/iCalAlarmAgent.plugin/
as having wiped away this directory these X11->Aqua->X11 unintended switches instantly stopped, and having closely observed the X11-behaviour for few days now since then I can confidently confirm this phenomenon is gone.
Here I have to stop and humbly ask anybody with access to the appropriate source code to take a further look at the issue, I am willing to assist with experimenting by running code should this turn out helpful. :-)
The bug is already filed internally. I'll attach your information to both the Apple and XQuartz reports.
Thanks, Jeremy
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