diff options
Diffstat (limited to 'src/declarative/graphicsitems/qdeclarativelistview.cpp')
| -rw-r--r-- | src/declarative/graphicsitems/qdeclarativelistview.cpp | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/src/declarative/graphicsitems/qdeclarativelistview.cpp b/src/declarative/graphicsitems/qdeclarativelistview.cpp index d54bb70..73fe1e4 100644 --- a/src/declarative/graphicsitems/qdeclarativelistview.cpp +++ b/src/declarative/graphicsitems/qdeclarativelistview.cpp @@ -1124,7 +1124,7 @@ void QDeclarativeListViewPrivate::flick(AxisData &data, qreal minExtent, qreal m if (FxListItem *item = firstVisibleItem()) maxDistance = qAbs(item->position() + data.move.value()); } else if (data.move.value() < minExtent) { - maxDistance = qAbs(minExtent - data.move.value() + (overShoot?overShootDistance(velocity, vSize):0)); + maxDistance = qAbs(minExtent - data.move.value()); } if (snapMode != QDeclarativeListView::SnapToItem && highlightRange != QDeclarativeListView::StrictlyEnforceRange) data.flickTarget = minExtent; @@ -1133,7 +1133,7 @@ void QDeclarativeListViewPrivate::flick(AxisData &data, qreal minExtent, qreal m if (FxListItem *item = nextVisibleItem()) maxDistance = qAbs(item->position() + data.move.value()); } else if (data.move.value() > maxExtent) { - maxDistance = qAbs(maxExtent - data.move.value()) + (overShoot?overShootDistance(velocity, vSize):0); + maxDistance = qAbs(maxExtent - data.move.value()); } if (snapMode != QDeclarativeListView::SnapToItem && highlightRange != QDeclarativeListView::StrictlyEnforceRange) data.flickTarget = maxExtent; @@ -1156,7 +1156,8 @@ void QDeclarativeListViewPrivate::flick(AxisData &data, qreal minExtent, qreal m qreal v2 = v * v; qreal maxAccel = v2 / (2.0f * maxDistance); if (maxAccel < accel) { - qreal dist = v2 / (accel * 2.0); + // + averageSize/4 to encourage moving at least one item in the flick direction + qreal dist = v2 / (accel * 2.0) + averageSize/4; if (v > 0) dist = -dist; data.flickTarget = -snapPosAt(-(data.move.value() - highlightRangeStart) + dist) + highlightRangeStart; @@ -1166,6 +1167,7 @@ void QDeclarativeListViewPrivate::flick(AxisData &data, qreal minExtent, qreal m } else { data.flickTarget = velocity > 0 ? minExtent : maxExtent; overshootDist = overShoot ? overShootDistance(v, vSize) : 0; + qDebug() << "boundary" << overshootDist; } timeline.reset(data.move); timeline.accel(data.move, v, accel, maxDistance + overshootDist); @@ -1956,10 +1958,11 @@ void QDeclarativeListView::viewportMoved() if (d->haveHighlightRange && d->highlightRange == StrictlyEnforceRange && d->highlight) { // reposition highlight qreal pos = d->highlight->position(); - if (pos > d->position() + d->highlightRangeEnd - 1 - d->highlight->size()) - pos = d->position() + d->highlightRangeEnd - 1 - d->highlight->size(); - if (pos < d->position() + d->highlightRangeStart) - pos = d->position() + d->highlightRangeStart; + qreal viewPos = qRound(d->position()); + if (pos > viewPos + d->highlightRangeEnd - 1 - d->highlight->size()) + pos = viewPos + d->highlightRangeEnd - 1 - d->highlight->size(); + if (pos < viewPos + d->highlightRangeStart) + pos = viewPos + d->highlightRangeStart; d->highlight->setPosition(pos); // update current index |