D21131: ScrollBar: Make it work as a horizontal scroll bar as well

[Kai Uwe Broulik]

broulik added a comment.


  I have a `ListView` inside a `ScrollView` [1] but for some reason `controlRoot.position` is `NaN` and then it ends up raising a `SIGFPE` in `QCommonStyle`. I don't understand why the position is bollocks, though.
  
  [1] https://cgit.kde.org/plasma-desktop.git/tree/kcms/notifications/package/contents/ui/SourcesPage.qml#n82

REPOSITORY
  R858 Qt Quick Controls 2: Desktop Style

REVISION DETAIL
  https://phabricator.kde.org/D21131

To: apol, #kirigami, mart, ngraham
Cc: broulik, plasma-devel, jraleigh, GB_2, ragreen, Pitel, ZrenBot, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, mart
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