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QDial: Fix crash when singleStep-property is 0. 

Task-number: QTBUG-23072

Change-Id: I296b46af23420b24fa5460b9660e33bf203ea29f
Reviewed-by: Jarek Kobus <jaroslaw.kobus@nokia.com>
(cherry picked from commit 6d370a19e367d0ccec59db5c34cbe2e3f7cfc586)
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@nokia.com>
bb10
Friedemann Kleint 2011-12-09 09:02:48 +01:00 committed by Qt by Nokia
parent eb64bb89cf
commit dfddabe115
1 changed files with 3 additions and 1 deletions
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4
src/widgets/styles/qstylehelper.cpp
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@ -159,7 +159,9 @@ QPolygonF calcLines(const QStyleOptionSlider *dial)
qreal xc = width / 2 + 0.5;
qreal yc = height / 2 + 0.5;
int ns = dial->tickInterval;
const int ns = dial->tickInterval;
if (!ns) // Invalid values may be set by Qt Designer.
return poly;
int notches = (dial->maximum + ns - 1 - dial->minimum) / ns;
if (notches <= 0)
return poly;