D17508: Simplify perStripe definition

[Oleg Solovyov]

McPain created this revision.
McPain added a reviewer: broulik.
Herald added a project: Plasma.
Herald added a subscriber: plasma-devel.
McPain requested review of this revision.

REVISION SUMMARY
  We can get rid of double-checking of
  
  > gridView.flow == GridView.FlowLeftToRight
  
  because the priority of ?: operator is **lower** than the priority of division.

REPOSITORY
  R119 Plasma Desktop

REVISION DETAIL
  https://phabricator.kde.org/D17508

AFFECTED FILES
  plasma-desktop/containments/desktop/package/contents/ui/FolderView.qml

To: McPain, broulik
Cc: plasma-devel, ragreen, Pitel, ZrenBot, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, mart
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