virtual void initializeCurrentItem();
virtual void updateViewport();
- virtual void itemGeometryChanged(QQuickItem *item, const QRectF &newGeometry, const QRectF &oldGeometry);
virtual void fixupPosition();
virtual void fixup(AxisData &data, qreal minExtent, qreal maxExtent);
virtual void flick(QQuickItemViewPrivate::AxisData &data, qreal minExtent, qreal maxExtent, qreal vSize,
}
}
-void QQuickGridViewPrivate::itemGeometryChanged(QQuickItem *item, const QRectF &newGeometry, const QRectF &oldGeometry)
-{
- Q_Q(QQuickGridView);
- QQuickItemViewPrivate::itemGeometryChanged(item, newGeometry, oldGeometry);
- if (!q->isComponentComplete())
- return;
- if (item == q) {
- if (newGeometry.height() != oldGeometry.height() || newGeometry.width() != oldGeometry.width()) {
- updateViewport();
- forceLayout = true;
- q->polish();
- }
- }
-}
-
void QQuickGridViewPrivate::fixupPosition()
{
moveReason = Other;
{
Q_D(QQuickItemView);
d->markExtentsDirty();
+ if (isComponentComplete() && d->isValid()) {
+ d->forceLayout = true;
+ polish();
+ }
QQuickFlickable::geometryChanged(newGeometry, oldGeometry);
}
Q_Q(QQuickItemView);
QQuickItemPrivate::get(contentItem)->childrenDoNotOverlap = true;
q->setFlag(QQuickItem::ItemIsFocusScope);
- addItemChangeListener(this, Geometry);
QObject::connect(q, SIGNAL(movementEnded()), q, SLOT(animStopped()));
q->setFlickableDirection(QQuickFlickable::VerticalFlick);
}
void QQuickItemViewPrivate::refill()
{
+ qreal s = qMax(size(), qreal(0.));
if (isContentFlowReversed())
- refill(-position()-size(), -position());
+ refill(-position()-s, -position());
else
- refill(position(), position()+size());
+ refill(position(), position()+s);
}
void QQuickItemViewPrivate::refill(qreal from, qreal to, bool doBuffer)
gridview->setHeight(100);
QTRY_VERIFY(!findItem<QQuickItem>(contentItem, "wrapper", 10));
+ // Ensure we handle -ve sizes
+ gridview->setHeight(-100);
+ QTRY_COMPARE(findItems<QQuickItem>(contentItem, "wrapper").count(), 3);
+
+ gridview->setCacheBuffer(120);
+ QTRY_COMPARE(findItems<QQuickItem>(contentItem, "wrapper").count(), 9);
+
+ // ensure items in cache become visible
+ gridview->setHeight(120);
+ QTRY_COMPARE(findItems<QQuickItem>(contentItem, "wrapper").count(), 15);
+
+ int itemCount = findItems<QQuickItem>(contentItem, "wrapper").count();
+ for (int i = 0; i < model.count() && i < itemCount; ++i) {
+ QQuickItem *item = findItem<QQuickItem>(contentItem, "wrapper", i);
+ if (!item) qWarning() << "Item" << i << "not found";
+ QTRY_VERIFY(item);
+ QTRY_COMPARE(item->x(), qreal((i%3)*80));
+ QTRY_COMPARE(item->y(), qreal((i/3)*60));
+ QCOMPARE(item->isVisible(), i < 9); // inside view visible, outside not visible
+ }
+
+ // ensure items outside view become invisible
+ gridview->setHeight(60);
+ QTRY_COMPARE(findItems<QQuickItem>(contentItem, "wrapper").count(), 12);
+
+ itemCount = findItems<QQuickItem>(contentItem, "wrapper").count();
+ for (int i = 0; i < model.count() && i < itemCount; ++i) {
+ QQuickItem *item = findItem<QQuickItem>(contentItem, "wrapper", i);
+ if (!item) qWarning() << "Item" << i << "not found";
+ QTRY_VERIFY(item);
+ QTRY_COMPARE(item->x(), qreal((i%3)*80));
+ QTRY_COMPARE(item->y(), qreal((i/3)*60));
+ QCOMPARE(item->isVisible(), i < 6); // inside view visible, outside not visible
+ }
+
delete canvas;
}
ctxt->setContextProperty("testObject", testObject);
canvas->setSource(testFileUrl("listviewtest.qml"));
+ canvas->show();
qApp->processEvents();
QQuickListView *listview = findItem<QQuickListView>(canvas->rootObject(), "list");
QMetaObject::invokeMethod(canvas->rootObject(), "heightRatio", Q_RETURN_ARG(QVariant, heightRatio));
QCOMPARE(heightRatio.toReal(), 0.25);
+ // Ensure we handle -ve sizes
+ listview->setHeight(-100);
+ QTRY_COMPARE(QQuickItemPrivate::get(listview)->polishScheduled, false);
+ QTRY_COMPARE(findItems<QQuickItem>(contentItem, "wrapper", false).count(), 1);
+
+ listview->setCacheBuffer(200);
+ QTRY_COMPARE(findItems<QQuickItem>(contentItem, "wrapper", false).count(), 11);
+
+ // ensure items in cache become visible
+ listview->setHeight(200);
+ QTRY_COMPARE(findItems<QQuickItem>(contentItem, "wrapper", false).count(), 21);
+
+ itemCount = findItems<QQuickItem>(contentItem, "wrapper", false).count();
+ for (int i = 0; i < model.count() && i < itemCount; ++i) {
+ QQuickItem *item = findItem<QQuickItem>(contentItem, "wrapper", i);
+ if (!item) qWarning() << "Item" << i << "not found";
+ QTRY_VERIFY(item);
+ QTRY_COMPARE(item->y(), i*20.);
+ QCOMPARE(item->isVisible(), i < 11); // inside view visible, outside not visible
+ }
+
+ // ensure items outside view become invisible
+ listview->setHeight(100);
+ QTRY_COMPARE(findItems<QQuickItem>(contentItem, "wrapper", false).count(), 16);
+
+ itemCount = findItems<QQuickItem>(contentItem, "wrapper", false).count();
+ for (int i = 0; i < model.count() && i < itemCount; ++i) {
+ QQuickItem *item = findItem<QQuickItem>(contentItem, "wrapper", i);
+ if (!item) qWarning() << "Item" << i << "not found";
+ QTRY_VERIFY(item);
+ QTRY_COMPARE(item->y(), i*20.);
+ QCOMPARE(item->isVisible(), i < 6); // inside view visible, outside not visible
+ }
+
delete canvas;
delete testObject;
}