diff options
Diffstat (limited to 'src/declarative/graphicsitems')
-rw-r--r-- | src/declarative/graphicsitems/qdeclarativelistview.cpp | 34 |
1 files changed, 4 insertions, 30 deletions
diff --git a/src/declarative/graphicsitems/qdeclarativelistview.cpp b/src/declarative/graphicsitems/qdeclarativelistview.cpp index 7dd5c75..83965f5 100644 --- a/src/declarative/graphicsitems/qdeclarativelistview.cpp +++ b/src/declarative/graphicsitems/qdeclarativelistview.cpp @@ -394,44 +394,19 @@ public: } // map a model index to visibleItems index. - // These may differ if removed items are still present in the visible list, - // e.g. doing a removal animation int mapFromModel(int modelIndex) const { if (modelIndex < visibleIndex || modelIndex >= visibleIndex + visibleItems.count()) return -1; for (int i = 0; i < visibleItems.count(); ++i) { FxListItem *listItem = visibleItems.at(i); if (listItem->index == modelIndex) - return i + visibleIndex; + return i; if (listItem->index > modelIndex) return -1; } return -1; // Not in visibleList } - bool mapRangeFromModel(int &index, int &count) const { - if (index + count < visibleIndex) - return false; - - int lastIndex = -1; - for (int i = visibleItems.count()-1; i >= 0; --i) { - FxListItem *listItem = visibleItems.at(i); - if (listItem->index != -1) { - lastIndex = listItem->index; - break; - } - } - - if (index > lastIndex) - return false; - - int last = qMin(index + count - 1, lastIndex); - index = qMax(index, visibleIndex); - count = last - index + 1; - - return true; - } - void updateViewport() { Q_Q(QDeclarativeListView); if (orient == QDeclarativeListView::Vertical) { @@ -2811,15 +2786,15 @@ void QDeclarativeListView::itemsInserted(int modelIndex, int count) return; } - int overlapCount = count; - if (!d->mapRangeFromModel(modelIndex, overlapCount)) { + int index = d->mapFromModel(modelIndex); + if (index < 0) { int i = d->visibleItems.count() - 1; while (i > 0 && d->visibleItems.at(i)->index == -1) --i; if (d->visibleItems.at(i)->index + 1 == modelIndex && d->visibleItems.at(i)->endPosition() < d->buffer+d->position()+d->size()-1) { // Special case of appending an item to the model. - modelIndex = d->visibleIndex + d->visibleItems.count(); + index = d->visibleItems.count(); } else { if (modelIndex < d->visibleIndex) { // Insert before visible items @@ -2846,7 +2821,6 @@ void QDeclarativeListView::itemsInserted(int modelIndex, int count) // At least some of the added items will be visible - int index = modelIndex - d->visibleIndex; // index can be the next item past the end of the visible items list (i.e. appended) int pos = index < d->visibleItems.count() ? d->visibleItems.at(index)->position() : d->visibleItems.at(index-1)->endPosition()+d->spacing+1; |