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Saturday, April 23rd, 2011, 5:32 pm

KWin Wall on Dual-Head Displays

Summary: Weakness in 3-D desktop effects in KDE4

THERE seems to be a deficiency or a bug that may or may not be present upstream/in Compiz too (I seem to recall it not being present in Mandriva 2008 with KDE and Compiz). Basically, as the screenshots below show, the desktop wall separates the left and the right hand side monitors in a rather awkward way, such that they basically completely diverge and do not align horizontally, either (due to different screen sizes). For visual demonstration, here is what the wall looks like:

Scale in KDE

Here is what the sphere of my desktop looks like:

Sphere KDE

The connection between left and right is correct in this case. Scale and the other 3-D plug-ins work just fine, but the split in the wall is clearly a bug.

2 Responses to “KWin Wall on Dual-Head Displays”

  1. Tyler Mulligan Says:

    Do you know if this bug is still present? Last time I tried KDE, I had this same complaint. It really hurts my workflow (and brain).

    My complaints here:

    I’m at a loss for which WM I want to use now. gnome-2 + compiz seems to allow me the most control but there are many downfalls to relying on gnome-2.


  2. Roy Schestowitz Says:


    Nice blog. I still use 4.4 and at work I used 4.5 (single head), so I don’t know if 4.6.x has fixed it.

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