From 7ecfd4393149ce9b49e5da4e254fcecd6b8af420 Mon Sep 17 00:00:00 2001 From: Martin Jones Date: Wed, 28 Apr 2010 13:06:06 +1000 Subject: Fix snap at view boundaries with overshoot on. The view would flick slowly at the boundaries if overshoot and snapping was enabled. --- src/declarative/graphicsitems/qdeclarativegridview.cpp | 11 +++++++---- src/declarative/graphicsitems/qdeclarativelistview.cpp | 11 +++++++---- 2 files changed, 14 insertions(+), 8 deletions(-) diff --git a/src/declarative/graphicsitems/qdeclarativegridview.cpp b/src/declarative/graphicsitems/qdeclarativegridview.cpp index f79a853..febd34a 100644 --- a/src/declarative/graphicsitems/qdeclarativegridview.cpp +++ b/src/declarative/graphicsitems/qdeclarativegridview.cpp @@ -855,10 +855,13 @@ void QDeclarativeGridViewPrivate::flick(AxisData &data, qreal minExtent, qreal m 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; + qreal adjv2 = accel * 2.0f * qAbs(adjDist); + if (adjv2 > v2) { + v2 = adjv2; + v = qSqrt(v2); + if (dist > 0) + v = -v; + } } dist = adjDist; accel = v2 / (2.0f * qAbs(dist)); diff --git a/src/declarative/graphicsitems/qdeclarativelistview.cpp b/src/declarative/graphicsitems/qdeclarativelistview.cpp index c88dab2..3f150dc 100644 --- a/src/declarative/graphicsitems/qdeclarativelistview.cpp +++ b/src/declarative/graphicsitems/qdeclarativelistview.cpp @@ -1230,10 +1230,13 @@ void QDeclarativeListViewPrivate::flick(AxisData &data, qreal minExtent, qreal m 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; + qreal adjv2 = accel * 2.0f * qAbs(adjDist); + if (adjv2 > v2) { + v2 = adjv2; + v = qSqrt(v2); + if (dist > 0) + v = -v; + } } dist = adjDist; accel = v2 / (2.0f * qAbs(dist)); -- cgit v0.12