aboutsummaryrefslogtreecommitdiffstats
path: root/src/quick/items/qquickitemview.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/quick/items/qquickitemview.cpp')
-rw-r--r--src/quick/items/qquickitemview.cpp48
1 files changed, 30 insertions, 18 deletions
diff --git a/src/quick/items/qquickitemview.cpp b/src/quick/items/qquickitemview.cpp
index 1d0d042839..c203f389ae 100644
--- a/src/quick/items/qquickitemview.cpp
+++ b/src/quick/items/qquickitemview.cpp
@@ -926,7 +926,6 @@ void QQuickItemView::setDisplacedTransition(QQuickTransition *transition)
void QQuickItemViewPrivate::positionViewAtIndex(int index, int mode)
{
- Q_Q(QQuickItemView);
if (!isValid())
return;
if (mode < QQuickItemView::Beginning || mode > QQuickItemView::SnapPosition)
@@ -953,11 +952,16 @@ void QQuickItemViewPrivate::positionViewAtIndex(int index, int mode)
item = visibleItem(idx);
}
if (item) {
+ const bool stickyHeader = hasStickyHeader();
+ const bool stickyFooter = hasStickyFooter();
+ const qreal stickyHeaderSize = stickyHeader ? headerSize() : 0;
+ const qreal stickyFooterSize = stickyFooter ? footerSize() : 0;
+
const qreal itemPos = item->position();
switch (mode) {
case QQuickItemView::Beginning:
pos = itemPos;
- if (header && (index < 0 || hasStickyHeader()))
+ if (header && (index < 0 || stickyHeader))
pos -= headerSize();
break;
case QQuickItemView::Center:
@@ -965,30 +969,29 @@ void QQuickItemViewPrivate::positionViewAtIndex(int index, int mode)
break;
case QQuickItemView::End:
pos = itemPos - viewSize + item->size();
- if (footer && (index >= modelCount || hasStickyFooter()))
+ if (footer && (index >= modelCount || stickyFooter))
pos += footerSize();
break;
case QQuickItemView::Visible:
- if (itemPos > pos + viewSize)
- pos = itemPos - viewSize + item->size();
- else if (item->endPosition() <= pos)
- pos = itemPos;
+ if (itemPos > pos + viewSize - stickyFooterSize)
+ pos = item->endPosition() - viewSize + stickyFooterSize;
+ else if (item->endPosition() <= pos - stickyHeaderSize)
+ pos = itemPos - stickyHeaderSize;
break;
case QQuickItemView::Contain:
- if (item->endPosition() >= pos + viewSize)
- pos = itemPos - viewSize + item->size();
- if (itemPos < pos)
- pos = itemPos;
+ if (item->endPosition() >= pos + viewSize + stickyFooterSize)
+ pos = itemPos - viewSize + item->size() + stickyFooterSize;
+ if (itemPos - stickyHeaderSize < pos)
+ pos = itemPos - stickyHeaderSize;
break;
case QQuickItemView::SnapPosition:
- pos = itemPos - highlightRangeStart;
+ pos = itemPos - highlightRangeStart - stickyHeaderSize;
break;
}
pos = qMin(pos, maxExtent);
qreal minExtent = calculatedMinExtent();
pos = qMax(pos, minExtent);
moveReason = QQuickItemViewPrivate::Other;
- q->cancelFlick();
setPosition(pos);
if (highlight) {
@@ -1246,16 +1249,26 @@ void QQuickItemViewPrivate::itemGeometryChanged(QQuickItem *item, QQuickGeometry
void QQuickItemView::destroyRemoved()
{
Q_D(QQuickItemView);
+
+ bool hasRemoveTransition = false;
+ bool hasRemoveTransitionAsTarget = false;
+ if (d->transitioner) {
+ hasRemoveTransition = d->transitioner->canTransition(QQuickItemViewTransitioner::RemoveTransition, false);
+ hasRemoveTransitionAsTarget = d->transitioner->canTransition(QQuickItemViewTransitioner::RemoveTransition, true);
+ }
+
for (QList<FxViewItem*>::Iterator it = d->visibleItems.begin();
it != d->visibleItems.end();) {
FxViewItem *item = *it;
if (item->index == -1 && (!item->attached || item->attached->delayRemove() == false)) {
- if (d->transitioner && d->transitioner->canTransition(QQuickItemViewTransitioner::RemoveTransition, true)) {
+ if (hasRemoveTransitionAsTarget) {
// don't remove from visibleItems until next layout()
d->runDelayedRemoveTransition = true;
QObject::disconnect(item->attached, SIGNAL(delayRemoveChanged()), this, SLOT(destroyRemoved()));
++it;
} else {
+ if (hasRemoveTransition)
+ d->runDelayedRemoveTransition = true;
d->releaseItem(item);
it = d->visibleItems.erase(it);
}
@@ -1384,7 +1397,6 @@ void QQuickItemView::trackedPositionChanged()
pos = qMax(trackedPos, toItemPos);
}
if (viewPos != pos) {
- cancelFlick();
d->calcVelocity = true;
d->setPosition(pos);
d->calcVelocity = false;
@@ -1934,8 +1946,9 @@ void QQuickItemViewPrivate::layout()
if (transitioner) {
// items added in the last refill() may need to be transitioned in - e.g. a remove
// causes items to slide up into view
- if (transitioner->canTransition(QQuickItemViewTransitioner::MoveTransition, false)
- || transitioner->canTransition(QQuickItemViewTransitioner::RemoveTransition, false)) {
+ if (lastIndexInView != -1 &&
+ (transitioner->canTransition(QQuickItemViewTransitioner::MoveTransition, false)
+ || transitioner->canTransition(QQuickItemViewTransitioner::RemoveTransition, false))) {
translateAndTransitionItemsAfter(lastIndexInView, insertionPosChanges, removalPosChanges);
}
@@ -1978,7 +1991,6 @@ bool QQuickItemViewPrivate::applyModelChanges(ChangeResult *totalInsertionResult
}
updateUnrequestedIndexes();
- moveReason = QQuickItemViewPrivate::Other;
FxViewItem *prevVisibleItemsFirst = visibleItems.count() ? *visibleItems.constBegin() : 0;
int prevItemCount = itemCount;