diff options
Diffstat (limited to 'src/quick')
-rw-r--r-- | src/quick/items/qquickpathview.cpp | 44 |
1 files changed, 26 insertions, 18 deletions
diff --git a/src/quick/items/qquickpathview.cpp b/src/quick/items/qquickpathview.cpp index 1dbdd10303..f858b18c84 100644 --- a/src/quick/items/qquickpathview.cpp +++ b/src/quick/items/qquickpathview.cpp @@ -289,6 +289,8 @@ qreal QQuickPathViewPrivate::positionOfIndex(qreal index) const // account the circular space. bool QQuickPathViewPrivate::isInBound(qreal position, qreal lower, qreal upper) const { + if (lower == upper) + return true; if (lower > upper) { if (position > upper && position > lower) position -= mappedRange; @@ -2047,27 +2049,33 @@ void QQuickPathView::refill() idx = startIdx; QQuickItem *lastItem = d->items[0]; while (idx != endIdx) { - //This gets the reference from the delegate model, and will not re-create - QQuickItem *item = d->getItem(idx, idx+1, nextPos >= 1.0); - if (!item) { - waiting = true; - break; - } - if (!d->items.contains(item)) { //We found a hole - nextPos = d->positionOfIndex(idx); - qCDebug(lcItemViewDelegateLifecycle) << "middle insert" << idx << "@" << nextPos << (d->currentIndex == idx ? "current" : "") << "items count was" << d->items.count(); - if (d->currentIndex == idx) { - currentVisible = true; - d->currentItemOffset = nextPos; + nextPos = d->positionOfIndex(idx); + if (d->isInBound(nextPos, d->mappedRange - d->mappedCache, 1.0 + d->mappedCache)) { + //This gets the reference from the delegate model, and will not re-create + QQuickItem *item = d->getItem(idx, idx+1, nextPos >= 1.0); + if (!item) { + waiting = true; + break; } - int lastListIdx = d->items.indexOf(lastItem); - d->items.insert(lastListIdx + 1, item); - d->updateItem(item, nextPos); - } else { - d->releaseItem(item); + + if (!d->items.contains(item)) { //We found a hole + qCDebug(lcItemViewDelegateLifecycle) << "middle insert" << idx << "@" << nextPos + << (d->currentIndex == idx ? "current" : "") + << "items count was" << d->items.count(); + if (d->currentIndex == idx) { + currentVisible = true; + d->currentItemOffset = nextPos; + } + int lastListIdx = d->items.indexOf(lastItem); + d->items.insert(lastListIdx + 1, item); + d->updateItem(item, nextPos); + } else { + d->releaseItem(item); + } + + lastItem = item; } - lastItem = item; ++idx; if (idx >= d->modelCount) idx = 0; |