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Improve QWheelEvent debug output 

We now include the phase, which is helpful, and we distinguish between
modern wheel events with a pixel and/or angle delta, and compatibility
events sent from QWindowSystemInterface::handleWheelEvent with the old
Qt 4 single value delta and orientation.

Change-Id: I2efe9fe7a55c43240ec94bfa70cafaac6d52603c
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
bb10
Tor Arne Vestbø 2018-08-14 14:43:48 +02:00
parent 65491150b2
commit 5c07efffac
1 changed files with 6 additions and 1 deletions
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7
src/gui/kernel/qevent.cpp
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@ -4070,7 +4070,12 @@ QDebug operator<<(QDebug dbg, const QEvent *e)
# if QT_CONFIG(wheelevent)
case QEvent::Wheel: {
const QWheelEvent *we = static_cast<const QWheelEvent *>(e);
dbg << "QWheelEvent(" << "pixelDelta=" << we->pixelDelta() << ", angleDelta=" << we->angleDelta() << ')';
dbg << "QWheelEvent(" << we->phase();
if (!we->pixelDelta().isNull() || !we->angleDelta().isNull())
dbg << ", pixelDelta=" << we->pixelDelta() << ", angleDelta=" << we->angleDelta();
else if (int qt4Delta = we->delta())
dbg << ", delta=" << qt4Delta << ", orientation=" << we->orientation();
dbg << ')';
}
break;
# endif // QT_CONFIG(wheelevent)