[Kde-hardware-devel] Review Request 126146: [XRandRBrightness] Don't call for xrandr if it's not available

[Kai Uwe Broulik]

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Review request for Solid and Thomas Lübking.


Bugs: 352462
    https://bugs.kde.org/show_bug.cgi?id=352462


Repository: powerdevil


Description
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Check whether the extension is there before calling into it.

Also cache calls to QX11Info::connection() if we're at it.


Diffs
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  daemon/backends/upower/xrandrbrightness.cpp 0abcefe 

Diff: https://git.reviewboard.kde.org/r/126146/diff/


Testing
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Still works, didn't test without xrandr.


Thanks,

Kai Uwe Broulik

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