diff options
Diffstat (limited to 'tests/auto')
-rw-r--r-- | tests/auto/qgraphicsview/tst_qgraphicsview.cpp | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/tests/auto/qgraphicsview/tst_qgraphicsview.cpp b/tests/auto/qgraphicsview/tst_qgraphicsview.cpp index 5167682..06b4a78 100644 --- a/tests/auto/qgraphicsview/tst_qgraphicsview.cpp +++ b/tests/auto/qgraphicsview/tst_qgraphicsview.cpp @@ -188,6 +188,8 @@ private slots: void embeddedViews(); void scrollAfterResize_data(); void scrollAfterResize(); + void moveItemWhileScrolling_data(); + void moveItemWhileScrolling(); void centerOnDirtyItem(); void mouseTracking(); void mouseTracking2(); @@ -3045,6 +3047,67 @@ void tst_QGraphicsView::scrollAfterResize() QCOMPARE(view.viewportTransform(), x3); } +void tst_QGraphicsView::moveItemWhileScrolling_data() +{ + QTest::addColumn<bool>("adjustForAntialiasing"); + + QTest::newRow("no adjust") << false; + QTest::newRow("adjust") << true; +} + +void tst_QGraphicsView::moveItemWhileScrolling() +{ + QFETCH(bool, adjustForAntialiasing); + + class MoveItemScrollView : public QGraphicsView + { + public: + MoveItemScrollView() + { + setScene(new QGraphicsScene(0, 0, 1000, 1000)); + rect = scene()->addRect(0, 0, 10, 10); + rect->setPos(50, 50); + } + QRegion lastPaintedRegion; + QGraphicsItem *rect; + protected: + void paintEvent(QPaintEvent *event) + { + lastPaintedRegion = event->region(); + QGraphicsView::paintEvent(event); + } + }; + + MoveItemScrollView view; + view.setFrameStyle(0); + view.setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff); + view.setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff); + view.setResizeAnchor(QGraphicsView::NoAnchor); + view.setTransformationAnchor(QGraphicsView::NoAnchor); + if (!adjustForAntialiasing) + view.setOptimizationFlag(QGraphicsView::DontAdjustForAntialiasing); + view.show(); + view.resize(200, 200); +#ifdef Q_WS_X11 + qt_x11_wait_for_window_manager(&view); +#endif + QTest::qWait(100); + + view.lastPaintedRegion = QRegion(); + view.horizontalScrollBar()->setValue(view.horizontalScrollBar()->value() + 10); + view.rect->moveBy(0, 10); + QTest::qWait(100); + + QRegion expectedRegion; + expectedRegion += QRect(0, 0, 200, 200); + expectedRegion -= QRect(0, 0, 190, 200); + int a = adjustForAntialiasing ? 2 : 1; + expectedRegion += QRect(40, 50, 10, 10).adjusted(-a, -a, a, a); + expectedRegion += QRect(40, 60, 10, 10).adjusted(-a, -a, a, a); + + QCOMPARE(view.lastPaintedRegion, expectedRegion); +} + void tst_QGraphicsView::centerOnDirtyItem() { QGraphicsView view; |