diff options
| -rw-r--r-- | src/declarative/graphicsitems/qdeclarativelistview.cpp | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/declarative/graphicsitems/qdeclarativelistview.cpp b/src/declarative/graphicsitems/qdeclarativelistview.cpp index 5a0292f..672f723 100644 --- a/src/declarative/graphicsitems/qdeclarativelistview.cpp +++ b/src/declarative/graphicsitems/qdeclarativelistview.cpp @@ -50,6 +50,7 @@ #include <qdeclarativeguard_p.h> #include <qlistmodelinterface_p.h> +#include <qmath.h> #include <QKeyEvent> QT_BEGIN_NAMESPACE @@ -1206,7 +1207,15 @@ void QDeclarativeListViewPrivate::flick(AxisData &data, qreal minExtent, qreal m data.flickTarget -= overshootDist; } } - dist = -data.flickTarget + data.move.value(); + qreal adjDist = -data.flickTarget + data.move.value(); + if (qAbs(adjDist) > qAbs(dist)) { + // Prevent painfully slow flicking - adjust velocity to suit flickDeceleration + v2 = accel * 2.0f * qAbs(dist); + v = qSqrt(v2); + if (dist > 0) + v = -v; + } + dist = adjDist; accel = v2 / (2.0f * qAbs(dist)); } else if (overShoot) { data.flickTarget = data.move.value() - dist; |