D25364: KNumberModel: gracefully handle a stepSize of 0

[Friedrich W. H. Kossebau]

kossebau created this revision.
kossebau added reviewers: Frameworks, davidedmundson, vkrause.
Herald added a project: Frameworks.
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kossebau requested review of this revision.

REVISION SUMMARY
  While setting a stepSize of 0 is undefined in the API docs, Qt widgets with
  similar step properties gracefully handle also a value of 0.
  The current Q_ASSERT only catches any 0 value in respective debug builds,
  but would result in crashing applications in normal builds at runtime due to
  the divide-by-zero.

REPOSITORY
  R275 KItemModels

BRANCH
  knumbermodelhandlestepsizezero

REVISION DETAIL
  https://phabricator.kde.org/D25364

AFFECTED FILES
  src/core/knumbermodel.cpp

To: kossebau, #frameworks, davidedmundson, vkrause
Cc: kde-frameworks-devel, LeGast00n, GB_2, michaelh, ngraham, bruns
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