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List:       kwin
Subject:    [Bug 237768] screen size confusion when changing monitor
From:       Tim Holy <holy () pcg ! wustl ! edu>
Date:       2010-08-27 10:48:54
Message-ID: 20100827104854.7FAFF6289E () immanuel ! kde ! org
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https://bugs.kde.org/show_bug.cgi?id=237768


Tim Holy <holy@pcg.wustl.edu> changed:

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                 CC|                            |holy@pcg.wustl.edu




--- Comment #1 from Tim Holy <holy pcg wustl edu>  2010-08-27 12:48:51 ---
I've experienced similar issues, including on KDE 4.5 (Maverick alphas, see
also https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/625220).

Base configuration: My laptop (a Thinkpad T60) has a 1400x1050 screen (4:3),
and I've also been plugging in an external Monitor (Dell S2409W) with 1920x1080
resolution (16:9).

If I start out running in the mode where each display is running at its maximum
resolution, with one display a "clone" of the other.,the desktop is naturally
the larger of the two. If I then disconnect the external monitor, and go to the
configuration dialog, then here is one problem: it knows the display is already
1400x1050, and so the Apply button is grayed out. However, the desktop size is
1920x1080, and there is no user-visible way to fix that.

Configuring a lower-resolution display does _not_ change the desktop size,
there are still windows over the edge and my mouse can navigate off-screen.
(What I usually do is run "xrandr --auto" from the command line.)

Configuring a new monitor should also change the desktop size.

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