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QScrollBar: handle QWheelEvent::Phase for transient scrollbars

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Transient scrollbars should become and stay visible when touching the
pad with two fingers.

Change-Id: Ic36ba56019f484cedb2404550551ebe68ea6f285
Reviewed-by: J-P Nurmi <jpnurmi@digia.com>
Reviewed-by: Shawn Rutledge <shawn.rutledge@digia.com>
This commit is contained in:
J-P Nurmi 2013-08-05 13:51:13 +02:00 committed by The Qt Project
parent 73251f22f3
commit 865b43dbf3
1 changed files with 5 additions and 0 deletions
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5
src/widgets/widgets/qscrollbar.cpp
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@ -510,6 +510,11 @@ void QScrollBar::wheelEvent(QWheelEvent *event)
Q_D(QScrollBar);
if (d->scrollByDelta(event->orientation(), event->modifiers(), delta))
event->accept();
if (event->phase() == QWheelEvent::Started)
d->setTransient(false);
else if (event->phase() == QWheelEvent::Ended)
d->setTransient(true);
}
#endif