diff options
| -rw-r--r-- | src/gui/itemviews/qlistview.cpp | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/src/gui/itemviews/qlistview.cpp b/src/gui/itemviews/qlistview.cpp index b6e0ab7..f58f458 100644 --- a/src/gui/itemviews/qlistview.cpp +++ b/src/gui/itemviews/qlistview.cpp @@ -1939,7 +1939,11 @@ int QListModeViewBase::verticalScrollToValue(int index, QListView::ScrollHint hi bool above, bool below, const QRect &area, const QRect &rect) const { if (verticalScrollMode() == QAbstractItemView::ScrollPerItem) { - int value = qBound(0, scrollValueMap.at(verticalScrollBar()->value()), flowPositions.count() - 1); + int value; + if (scrollValueMap.isEmpty()) + value = 0; + else + value = qBound(0, scrollValueMap.at(verticalScrollBar()->value()), flowPositions.count() - 1); if (above) hint = QListView::PositionAtTop; else if (below) @@ -2000,7 +2004,11 @@ int QListModeViewBase::horizontalScrollToValue(int index, QListView::ScrollHint if (horizontalScrollMode() != QAbstractItemView::ScrollPerItem) return QCommonListViewBase::horizontalScrollToValue(index, hint, leftOf, rightOf, area, rect); - int value = qBound(0, scrollValueMap.at(horizontalScrollBar()->value()), flowPositions.count() - 1); + int value; + if (scrollValueMap.isEmpty()) + value = 0; + else + value = qBound(0, scrollValueMap.at(horizontalScrollBar()->value()), flowPositions.count() - 1); if (leftOf) hint = QListView::PositionAtTop; else if (rightOf) @@ -2312,7 +2320,7 @@ int QListModeViewBase::perItemScrollingPageSteps(int length, int bounds, bool wr QVector<int> positions; if (wrap) positions = segmentPositions; - else { + else if (!flowPositions.isEmpty()) { positions.reserve(scrollValueMap.size()); foreach (int itemShown, scrollValueMap) positions.append(flowPositions.at(itemShown)); |