D22737: xcb: Fix setStrut() for High-DPI scaling

[Aleix Pol Gonzalez]

apol added inline comments.

INLINE COMMENTS

> kwindowsystem.cpp:75
> +            const qreal dpr = screen->devicePixelRatio();
> +            region += QRect(geometry.topLeft() * dpr, geometry.size() * dpr);
>          }

I don't think that it makes sense to multiply topLeft by dpr, since dpr is local to the screen you're treating.

How have you tested this?

REPOSITORY
  R278 KWindowSystem

REVISION DETAIL
  https://phabricator.kde.org/D22737

To: volkov, #frameworks
Cc: apol, kde-frameworks-devel, LeGast00n, sbergeron, michaelh, ngraham, bruns
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