diff options
3 files changed, 52 insertions, 44 deletions
diff --git a/src/declarative/graphicsitems/qdeclarativegridview.cpp b/src/declarative/graphicsitems/qdeclarativegridview.cpp index 93f8d06..afea4ea 100644 --- a/src/declarative/graphicsitems/qdeclarativegridview.cpp +++ b/src/declarative/graphicsitems/qdeclarativegridview.cpp @@ -786,28 +786,32 @@ void QDeclarativeGridViewPrivate::flick(AxisData &data, qreal minExtent, qreal m QDeclarativeFlickablePrivate::flick(data, minExtent, maxExtent, vSize, fixupCallback, velocity); return; } - qreal maxDistance = -1; + qreal maxDistance = 0; // -ve velocity means list is moving up if (velocity > 0) { - if (snapMode == QDeclarativeGridView::SnapOneRow) { - if (FxGridItem *item = firstVisibleItem()) - maxDistance = qAbs(item->rowPos() + data.move.value()); - } else if (data.move.value() < minExtent) { - maxDistance = qAbs(minExtent - data.move.value()); + if (data.move.value() < minExtent) { + if (snapMode == QDeclarativeGridView::SnapOneRow) { + if (FxGridItem *item = firstVisibleItem()) + maxDistance = qAbs(item->rowPos() + data.move.value()); + } else { + maxDistance = qAbs(minExtent - data.move.value()); + } } if (snapMode != QDeclarativeGridView::SnapToRow && highlightRange != QDeclarativeGridView::StrictlyEnforceRange) data.flickTarget = minExtent; } else { - if (snapMode == QDeclarativeGridView::SnapOneRow) { - qreal pos = snapPosAt(-data.move.value()) + rowSize(); - maxDistance = qAbs(pos + data.move.value()); - } else if (data.move.value() > maxExtent) { - maxDistance = qAbs(maxExtent - data.move.value()); + if (data.move.value() > maxExtent) { + if (snapMode == QDeclarativeGridView::SnapOneRow) { + qreal pos = snapPosAt(-data.move.value()) + rowSize(); + maxDistance = qAbs(pos + data.move.value()); + } else { + maxDistance = qAbs(maxExtent - data.move.value()); + } } if (snapMode != QDeclarativeGridView::SnapToRow && highlightRange != QDeclarativeGridView::StrictlyEnforceRange) data.flickTarget = maxExtent; } - if (maxDistance > 0 && (snapMode != QDeclarativeGridView::NoSnap || highlightRange == QDeclarativeGridView::StrictlyEnforceRange)) { + if ((maxDistance > 0 || overShoot) && (snapMode != QDeclarativeGridView::NoSnap || highlightRange == QDeclarativeGridView::StrictlyEnforceRange)) { // This mode requires the grid to stop exactly on a row boundary. qreal v = velocity; if (maxVelocity != -1 && maxVelocity < qAbs(v)) { @@ -818,9 +822,8 @@ void QDeclarativeGridViewPrivate::flick(AxisData &data, qreal minExtent, qreal m } qreal accel = deceleration; qreal v2 = v * v; - qreal maxAccel = v2 / (2.0f * maxDistance); qreal overshootDist = 0.0; - if (maxAccel < accel) { + if (maxDistance > 0.0 && v2 / (2.0f * maxDistance) < accel) { // + rowSize()/4 to encourage moving at least one item in the flick direction qreal dist = v2 / (accel * 2.0) + rowSize()/4; if (v > 0) @@ -1504,10 +1507,12 @@ qreal QDeclarativeGridView::maxYExtent() const if (d->flow == QDeclarativeGridView::TopToBottom) return QDeclarativeFlickable::maxYExtent(); qreal extent; - if (d->haveHighlightRange && d->highlightRange == StrictlyEnforceRange) + if (d->haveHighlightRange && d->highlightRange == StrictlyEnforceRange) { extent = -(d->endPosition() - d->highlightRangeEnd); - else + extent = qMax(extent, -(d->rowPosAt(d->model->count()-1) - d->highlightRangeStart)); + } else { extent = -(d->endPosition() - height()); + } const qreal minY = minYExtent(); if (extent > minY) extent = minY; @@ -1531,10 +1536,12 @@ qreal QDeclarativeGridView::maxXExtent() const if (d->flow == QDeclarativeGridView::LeftToRight) return QDeclarativeFlickable::maxXExtent(); qreal extent; - if (d->haveHighlightRange && d->highlightRange == StrictlyEnforceRange) + if (d->haveHighlightRange && d->highlightRange == StrictlyEnforceRange) { extent = -(d->endPosition() - d->highlightRangeEnd); - else + extent = qMax(extent, -(d->rowPosAt(d->model->count()-1) - d->highlightRangeStart)); + } else { extent = -(d->endPosition() - height()); + } const qreal minX = minXExtent(); if (extent > minX) extent = minX; diff --git a/src/declarative/graphicsitems/qdeclarativelistview.cpp b/src/declarative/graphicsitems/qdeclarativelistview.cpp index 84281c8..4cf8117 100644 --- a/src/declarative/graphicsitems/qdeclarativelistview.cpp +++ b/src/declarative/graphicsitems/qdeclarativelistview.cpp @@ -1136,28 +1136,32 @@ void QDeclarativeListViewPrivate::flick(AxisData &data, qreal minExtent, qreal m QDeclarativeFlickablePrivate::flick(data, minExtent, maxExtent, vSize, fixupCallback, velocity); return; } - qreal maxDistance = -1; - // -ve velocity means list is moving up + qreal maxDistance = 0; + // -ve velocity means list is moving up/left if (velocity > 0) { - if (snapMode == QDeclarativeListView::SnapOneItem) { - if (FxListItem *item = firstVisibleItem()) - maxDistance = qAbs(item->position() + data.move.value()); - } else if (data.move.value() < minExtent) { - maxDistance = qAbs(minExtent - data.move.value()); + if (data.move.value() < minExtent) { + if (snapMode == QDeclarativeListView::SnapOneItem) { + if (FxListItem *item = firstVisibleItem()) + maxDistance = qAbs(item->position() + data.move.value()); + } else { + maxDistance = qAbs(minExtent - data.move.value()); + } } if (snapMode != QDeclarativeListView::SnapToItem && highlightRange != QDeclarativeListView::StrictlyEnforceRange) data.flickTarget = minExtent; } else { - if (snapMode == QDeclarativeListView::SnapOneItem) { - if (FxListItem *item = nextVisibleItem()) - maxDistance = qAbs(item->position() + data.move.value()); - } else if (data.move.value() > maxExtent) { - maxDistance = qAbs(maxExtent - data.move.value()); + if (data.move.value() > maxExtent) { + if (snapMode == QDeclarativeListView::SnapOneItem) { + if (FxListItem *item = nextVisibleItem()) + maxDistance = qAbs(item->position() + data.move.value()); + } else { + maxDistance = qAbs(maxExtent - data.move.value()); + } } if (snapMode != QDeclarativeListView::SnapToItem && highlightRange != QDeclarativeListView::StrictlyEnforceRange) data.flickTarget = maxExtent; } - if (maxDistance > 0 && (snapMode != QDeclarativeListView::NoSnap || highlightRange == QDeclarativeListView::StrictlyEnforceRange)) { + if ((maxDistance > 0 || overShoot) && (snapMode != QDeclarativeListView::NoSnap || highlightRange == QDeclarativeListView::StrictlyEnforceRange)) { // These modes require the list to stop exactly on an item boundary. // The initial flick will estimate the boundary to stop on. // Since list items can have variable sizes, the boundary will be @@ -1173,8 +1177,7 @@ void QDeclarativeListViewPrivate::flick(AxisData &data, qreal minExtent, qreal m // the initial flick - estimate boundary qreal accel = deceleration; qreal v2 = v * v; - qreal maxAccel = v2 / (2.0f * maxDistance); - if (maxAccel < accel) { + if (maxDistance > 0.0 && v2 / (2.0f * maxDistance) < accel) { // + averageSize/4 to encourage moving at least one item in the flick direction qreal dist = v2 / (accel * 2.0) + averageSize/4; if (v > 0) @@ -2063,9 +2066,10 @@ qreal QDeclarativeListView::maxYExtent() const if (d->orient == QDeclarativeListView::Horizontal) return height(); if (d->maxExtentDirty) { - if (d->haveHighlightRange && d->highlightRange == StrictlyEnforceRange) + if (d->haveHighlightRange && d->highlightRange == StrictlyEnforceRange) { d->maxExtent = -(d->endPosition() - d->highlightRangeEnd); - else + d->maxExtent = qMax(d->maxExtent, -(d->positionAt(d->model->count()-1) - d->highlightRangeStart)); + } else d->maxExtent = -(d->endPosition() - height() + 1); if (d->footer) d->maxExtent -= d->footer->size(); @@ -2100,9 +2104,10 @@ qreal QDeclarativeListView::maxXExtent() const if (d->orient == QDeclarativeListView::Vertical) return width(); if (d->maxExtentDirty) { - if (d->haveHighlightRange && d->highlightRange == StrictlyEnforceRange) + if (d->haveHighlightRange && d->highlightRange == StrictlyEnforceRange) { d->maxExtent = -(d->endPosition() - d->highlightRangeEnd); - else + d->maxExtent = qMax(d->maxExtent, -(d->positionAt(d->model->count()-1) - d->highlightRangeStart)); + } else d->maxExtent = -(d->endPosition() - width() + 1); if (d->footer) d->maxExtent -= d->footer->size(); diff --git a/tests/auto/declarative/qdeclarativegridview/data/setindex.qml b/tests/auto/declarative/qdeclarativegridview/data/setindex.qml index 908b365..b272d58 100644 --- a/tests/auto/declarative/qdeclarativegridview/data/setindex.qml +++ b/tests/auto/declarative/qdeclarativegridview/data/setindex.qml @@ -8,13 +8,9 @@ Rectangle { Item { id : wrapper - Script { - function startupFunction() - { - if (index == 5) view.currentIndex = index; - - } - } + function startupFunction() { + if (index == 5) view.currentIndex = index; + } Component.onCompleted: startupFunction(); width: 30; height: 30 Text { text: index } |