diff options
Diffstat (limited to 'src/quick/items/qquicklistview.cpp')
-rw-r--r-- | src/quick/items/qquicklistview.cpp | 32 |
1 files changed, 13 insertions, 19 deletions
diff --git a/src/quick/items/qquicklistview.cpp b/src/quick/items/qquicklistview.cpp index e2c428838b..f0ced5fc71 100644 --- a/src/quick/items/qquicklistview.cpp +++ b/src/quick/items/qquicklistview.cpp @@ -93,8 +93,7 @@ public: virtual void initializeViewItem(FxViewItem *item); virtual void releaseItem(FxViewItem *item); virtual void repositionPackageItemAt(QQuickItem *item, int index); - virtual void resetItemPosition(FxViewItem *item, FxViewItem *toItem); - virtual void resetFirstItemPosition(); + virtual void resetFirstItemPosition(qreal pos = 0.0); virtual void adjustFirstItem(qreal forwards, qreal backwards); virtual void createHighlight(); @@ -102,8 +101,8 @@ public: virtual void resetHighlightPosition(); virtual void setPosition(qreal pos); - virtual void layoutVisibleItems(); - virtual bool applyInsertionChange(const QDeclarativeChangeSet::Insert &insert, ChangeResult *changeResult, bool *newVisibleItemsFirst, QList<FxViewItem *> *addedItems); + virtual void layoutVisibleItems(int fromModelIndex = 0); + virtual bool applyInsertionChange(const QDeclarativeChangeSet::Insert &insert, ChangeResult *changeResult, QList<FxViewItem *> *addedItems); virtual void updateSections(); QQuickItem *getSectionItem(const QString §ion); @@ -689,7 +688,7 @@ void QQuickListViewPrivate::visibleItemsChanged() updateUnrequestedPositions(); } -void QQuickListViewPrivate::layoutVisibleItems() +void QQuickListViewPrivate::layoutVisibleItems(int fromModelIndex) { if (!visibleItems.isEmpty()) { const qreal from = isContentFlowReversed() ? -position() - size() : position(); @@ -702,8 +701,10 @@ void QQuickListViewPrivate::layoutVisibleItems() firstItem->item->setVisible(firstItem->endPosition() >= from && firstItem->position() <= to); for (int i=1; i < visibleItems.count(); ++i) { FxListItemSG *item = static_cast<FxListItemSG*>(visibleItems.at(i)); - item->setPosition(pos); - item->item->setVisible(item->endPosition() >= from && item->position() <= to); + if (item->index >= fromModelIndex) { + item->setPosition(pos); + item->item->setVisible(item->endPosition() >= from && item->position() <= to); + } pos += item->size() + spacing; sum += item->size(); fixedCurrent = fixedCurrent || (currentItem && item->item == currentItem->item); @@ -734,17 +735,10 @@ void QQuickListViewPrivate::repositionPackageItemAt(QQuickItem *item, int index) } } -void QQuickListViewPrivate::resetItemPosition(FxViewItem *item, FxViewItem *toItem) -{ - if (item == toItem) - return; - static_cast<FxListItemSG*>(item)->setPosition(toItem->position()); -} - -void QQuickListViewPrivate::resetFirstItemPosition() +void QQuickListViewPrivate::resetFirstItemPosition(qreal pos) { FxListItemSG *item = static_cast<FxListItemSG*>(visibleItems.first()); - item->setPosition(0); + item->setPosition(pos); } void QQuickListViewPrivate::adjustFirstItem(qreal forwards, qreal backwards) @@ -2376,7 +2370,7 @@ void QQuickListView::updateSections() } } -bool QQuickListViewPrivate::applyInsertionChange(const QDeclarativeChangeSet::Insert &change, ChangeResult *insertResult, bool *newVisibleItemsFirst, QList<FxViewItem *> *addedItems) +bool QQuickListViewPrivate::applyInsertionChange(const QDeclarativeChangeSet::Insert &change, ChangeResult *insertResult, QList<FxViewItem *> *addedItems) { int modelIndex = change.index; int count = change.count; @@ -2440,7 +2434,7 @@ bool QQuickListViewPrivate::applyInsertionChange(const QDeclarativeChangeSet::In visibleItems.insert(insertionIdx, item); if (insertionIdx == 0) - *newVisibleItemsFirst = true; + insertResult->changedFirstItem = true; if (!change.isMove()) addedItems->append(item); insertResult->sizeChangesBeforeVisiblePos += item->size() + spacing; @@ -2462,7 +2456,7 @@ bool QQuickListViewPrivate::applyInsertionChange(const QDeclarativeChangeSet::In visibleItems.insert(index, item); if (index == 0) - *newVisibleItemsFirst = true; + insertResult->changedFirstItem = true; if (!change.isMove()) addedItems->append(item); insertResult->sizeChangesAfterVisiblePos += item->size() + spacing; |