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Don't set WA_AcceptTouchEvents on Mac OS X.

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Setting this flag causes scroll event lag, so we want
to keep it off for all widgets that do not need touch
events. QPanGestureRecognizer is installed on all
QAbstractScrollAreas. Prevent it from setting the
flag.

Change-Id: Idd4fcc545ff26377607b56f75db75c2865a5fc82
Reviewed-by: Gabriel de Dietrich <gabriel.dedietrich@digia.com>
This commit is contained in:
Morten Johan Sørvig 2013-04-22 13:05:24 +02:00 committed by The Qt Project
parent 44d415b334
commit d576d77f03
1 changed files with 2 additions and 2 deletions
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4
src/widgets/kernel/qstandardgestures.cpp
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@ -59,8 +59,8 @@ QPanGestureRecognizer::QPanGestureRecognizer()
QGesture *QPanGestureRecognizer::create(QObject *target)
{
if (target && target->isWidgetType()) {
#if defined(Q_OS_WIN) && !defined(QT_NO_NATIVE_GESTURES)
// for scroll areas on Windows we want to use native gestures instead
#if ((defined(Q_OS_MAC) && !defined(Q_OS_IOS)) || defined(Q_OS_WIN)) && !defined(QT_NO_NATIVE_GESTURES)
// for scroll areas on Windows and Mac OS X we want to use native gestures instead
if (!qobject_cast<QAbstractScrollArea *>(target->parent()))
static_cast<QWidget *>(target)->setAttribute(Qt::WA_AcceptTouchEvents);
#else