[Bug 218320] New: Upgrade to Qt 4.6 breaks Kephal multi-head support

[Marcel Hasler]

https://bugs.kde.org/show_bug.cgi?id=218320

           Summary: Upgrade to Qt 4.6 breaks Kephal multi-head support
           Product: kde
           Version: unspecified
          Platform: Gentoo Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: unassigned-bugs at kde.org
        ReportedBy: mahasler at gmail.com


Version:            (using KDE 4.3.4)
Compiler:          gcc-Version 4.4.2 (Gentoo 4.4.2 p1.0) Target:
x86_64-pc-linux-gnu
OS:                Linux
Installed from:    Gentoo Packages

After my last system update which included an update to Qt 4.6 Kephal fails to
recognize my TwinView setup correctly. It reports only a single screen and
apparently doesn't know about my second screen which is set right of my primary
screen. For people who like myself use multi-head setups often this is a major
regression since it doesn't allow maximizing windows or switching windows to
fullscreen on the second monitor.

Downgrading Qt back to 4.5.3 fixes the problem.

I haven't yet had a chance to test whether KDE SC 4.4 beta1 is affected by
this, too, but I'll try to find out this weekend.

I'll be happy to help testing patches in order for this issue to resolved
quickly.

Thanks.

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