diff options
Diffstat (limited to 'tests/auto/qgraphicsview/tst_qgraphicsview.cpp')
| -rw-r--r-- | tests/auto/qgraphicsview/tst_qgraphicsview.cpp | 338 |
1 files changed, 325 insertions, 13 deletions
diff --git a/tests/auto/qgraphicsview/tst_qgraphicsview.cpp b/tests/auto/qgraphicsview/tst_qgraphicsview.cpp index ddc2074522..c8dfba1d0e 100644 --- a/tests/auto/qgraphicsview/tst_qgraphicsview.cpp +++ b/tests/auto/qgraphicsview/tst_qgraphicsview.cpp @@ -72,6 +72,7 @@ Q_DECLARE_METATYPE(QList<QRectF>) Q_DECLARE_METATYPE(QMatrix) Q_DECLARE_METATYPE(QPainterPath) Q_DECLARE_METATYPE(QPointF) +Q_DECLARE_METATYPE(QPolygonF) Q_DECLARE_METATYPE(QRectF) Q_DECLARE_METATYPE(Qt::ScrollBarPolicy) @@ -159,6 +160,7 @@ private slots: void itemAt2(); void mapToScene(); void mapToScenePoint(); + void mapToSceneRect_data(); void mapToSceneRect(); void mapToScenePoly(); void mapToScenePath(); @@ -186,7 +188,13 @@ private slots: void embeddedViews(); void scrollAfterResize_data(); void scrollAfterResize(); + void moveItemWhileScrolling_data(); + void moveItemWhileScrolling(); void centerOnDirtyItem(); + void mouseTracking(); + void mouseTracking2(); + void render(); + void exposeRegion(); // task specific tests below me void task172231_untransformableItems(); @@ -1612,23 +1620,51 @@ void tst_QGraphicsView::mapToScenePoint() view.mapToScene(center) + QPointF(0, -10)); } +void tst_QGraphicsView::mapToSceneRect_data() +{ + QTest::addColumn<QRect>("viewRect"); + QTest::addColumn<QPolygonF>("scenePoly"); + QTest::addColumn<qreal>("rotation"); + + QTest::newRow("nil") << QRect() << QPolygonF() << qreal(0); + QTest::newRow("0, 0, 1, 1") << QRect(0, 0, 1, 1) << QPolygonF(QRectF(0, 0, 1, 1)) << qreal(0); + QTest::newRow("0, 0, 10, 10") << QRect(0, 0, 10, 10) << QPolygonF(QRectF(0, 0, 10, 10)) << qreal(0); + QTest::newRow("nil") << QRect() << QPolygonF() << qreal(90); + QPolygonF p; + p << QPointF(0, 0) << QPointF(0, -1) << QPointF(1, -1) << QPointF(1, 0) << QPointF(0, 0); + QTest::newRow("0, 0, 1, 1") << QRect(0, 0, 1, 1) + << p + << qreal(90); + p.clear(); + p << QPointF(0, 0) << QPointF(0, -10) << QPointF(10, -10) << QPointF(10, 0) << QPointF(0, 0); + QTest::newRow("0, 0, 10, 10") << QRect(0, 0, 10, 10) + << p + << qreal(90); +} + void tst_QGraphicsView::mapToSceneRect() { - QGraphicsScene scene; + QFETCH(QRect, viewRect); + QFETCH(QPolygonF, scenePoly); + QFETCH(qreal, rotation); + + QGraphicsScene scene(-1000, -1000, 2000, 2000); + scene.addRect(25, -25, 50, 50); QGraphicsView view(&scene); - view.rotate(90); - view.setFixedSize(117, 117); + view.setFrameStyle(0); + view.setAlignment(Qt::AlignTop | Qt::AlignLeft); + view.setFixedSize(200, 200); + view.setTransformationAnchor(QGraphicsView::NoAnchor); + view.setResizeAnchor(QGraphicsView::NoAnchor); view.show(); - QPoint center = view.viewport()->rect().center(); - QRect rect(center + QPoint(10, 0), QSize(10, 10)); - QPolygonF poly; - poly << view.mapToScene(rect.topLeft()); - poly << view.mapToScene(rect.topRight()); - poly << view.mapToScene(rect.bottomRight()); - poly << view.mapToScene(rect.bottomLeft()); + view.rotate(rotation); - QCOMPARE(view.mapToScene(rect), poly); + QPolygonF poly = view.mapToScene(viewRect); + if (!poly.isEmpty()) + poly << poly[0]; + + QCOMPARE(poly, scenePoly); } void tst_QGraphicsView::mapToScenePoly() @@ -2343,7 +2379,7 @@ public: void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *viewport) { - lastLod = option->levelOfDetail; + lastLod = option->levelOfDetailFromTransform(painter->worldTransform()); QGraphicsRectItem::paint(painter, option, viewport); } @@ -2497,6 +2533,8 @@ void tst_QGraphicsView::acceptMousePressEvent() scene.addRect(0, 0, 2000, 2000)->setFlag(QGraphicsItem::ItemIsMovable); + qApp->processEvents(); // ensure scene rect is updated + QApplication::sendEvent(view.viewport(), &event); QVERIFY(view.accepted); } @@ -2516,7 +2554,8 @@ void tst_QGraphicsView::replayMouseMove() // One mouse event should be translated into one scene event. for (int i = 0; i < 3; ++i) { - sendMouseMove(view.viewport(), view.viewport()->rect().center()); + sendMouseMove(view.viewport(), view.viewport()->rect().center(), + Qt::LeftButton, Qt::MouseButtons(Qt::LeftButton)); QCOMPARE(viewSpy.count(), i + 1); QCOMPARE(sceneSpy.count(), i + 1); } @@ -2706,6 +2745,7 @@ void tst_QGraphicsView::task186827_deleteReplayedItem() MouseMoveCounter view; view.setScene(&scene); view.show(); + view.viewport()->setMouseTracking(true); #ifdef Q_WS_X11 qt_x11_wait_for_window_manager(&view); #endif @@ -3012,6 +3052,67 @@ 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; @@ -3049,6 +3150,217 @@ void tst_QGraphicsView::centerOnDirtyItem() QCOMPARE(before, after); } +void tst_QGraphicsView::mouseTracking() +{ + // Mouse tracking should only be automatically enabled if items either accept hover events + // or have a cursor set. We never disable mouse tracking if it is already enabled. + + { // Make sure mouse tracking is disabled by default. + QGraphicsScene scene(-10000, -10000, 20000, 20000); + QGraphicsView view(&scene); + QVERIFY(!view.viewport()->hasMouseTracking()); + } + + { // Make sure we don't disable mouse tracking in setupViewport/setScene. + QGraphicsView view; + QWidget *viewport = new QWidget; + viewport->setMouseTracking(true); + view.setViewport(viewport); + QVERIFY(viewport->hasMouseTracking()); + + QGraphicsScene scene(-10000, -10000, 20000, 20000); + view.setScene(&scene); + QVERIFY(viewport->hasMouseTracking()); + } + + // Make sure we enable mouse tracking when having items that accept hover events. + { + // Adding an item to the scene after the scene is set on the view. + QGraphicsScene scene(-10000, -10000, 20000, 20000); + QGraphicsView view(&scene); + + QGraphicsRectItem *item = new QGraphicsRectItem(10, 10, 10, 10); + item->setAcceptHoverEvents(true); + scene.addItem(item); + QVERIFY(view.viewport()->hasMouseTracking()); + } + { + // Adding an item to the scene before the scene is set on the view. + QGraphicsScene scene(-10000, -10000, 20000, 20000); + QGraphicsRectItem *item = new QGraphicsRectItem(10, 10, 10, 10); + item->setAcceptHoverEvents(true); + scene.addItem(item); + + QGraphicsView view(&scene); + QVERIFY(view.viewport()->hasMouseTracking()); + } + { + // QGraphicsWidget implicitly accepts hover if it has window decoration. + QGraphicsScene scene(-10000, -10000, 20000, 20000); + QGraphicsView view(&scene); + + QGraphicsWidget *widget = new QGraphicsWidget; + scene.addItem(widget); + QVERIFY(!view.viewport()->hasMouseTracking()); + // Enable window decoraton. + widget->setWindowFlags(Qt::Window | Qt::WindowTitleHint); + QVERIFY(view.viewport()->hasMouseTracking()); + } + + // Make sure we enable mouse tracking when having items with a cursor set. + { + // Adding an item to the scene after the scene is set on the view. + QGraphicsScene scene(-10000, -10000, 20000, 20000); + QGraphicsView view(&scene); + + QGraphicsRectItem *item = new QGraphicsRectItem(10, 10, 10, 10); + item->setCursor(Qt::CrossCursor); + scene.addItem(item); + QVERIFY(view.viewport()->hasMouseTracking()); + } + { + // Adding an item to the scene before the scene is set on the view. + QGraphicsScene scene(-10000, -10000, 20000, 20000); + QGraphicsRectItem *item = new QGraphicsRectItem(10, 10, 10, 10); + item->setCursor(Qt::CrossCursor); + scene.addItem(item); + + QGraphicsView view(&scene); + QVERIFY(view.viewport()->hasMouseTracking()); + } + + // Make sure we propagate mouse tracking to all views. + { + QGraphicsScene scene(-10000, -10000, 20000, 20000); + QGraphicsView view1(&scene); + QGraphicsView view2(&scene); + QGraphicsView view3(&scene); + + QGraphicsRectItem *item = new QGraphicsRectItem(10, 10, 10, 10); + item->setCursor(Qt::CrossCursor); + scene.addItem(item); + + QVERIFY(view1.viewport()->hasMouseTracking()); + QVERIFY(view2.viewport()->hasMouseTracking()); + QVERIFY(view3.viewport()->hasMouseTracking()); + } +} + +void tst_QGraphicsView::mouseTracking2() +{ + // Make sure mouse move events propagates to the scene when + // mouse tracking is explicitly enabled on the view, + // even when all items ignore hover events / use default cursor. + + QGraphicsScene scene; + scene.addRect(0, 0, 100, 100); + + QGraphicsView view(&scene); + view.show(); +#ifdef Q_WS_X11 + qt_x11_wait_for_window_manager(&view); +#endif + QTest::qWait(200); + + QVERIFY(!view.viewport()->hasMouseTracking()); + view.viewport()->setMouseTracking(true); // Explicitly enable mouse tracking. + QVERIFY(view.viewport()->hasMouseTracking()); + + EventSpy spy(&scene, QEvent::GraphicsSceneMouseMove); + QCOMPARE(spy.count(), 0); + sendMouseMove(view.viewport(), view.viewport()->rect().center()); + QCOMPARE(spy.count(), 1); +} + +class RenderTester : public QGraphicsRectItem +{ +public: + RenderTester(const QRectF &rect) + : QGraphicsRectItem(rect), paints(0) + { } + + void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, + QWidget *widget) + { + QGraphicsRectItem::paint(painter, option, widget); + ++paints; + } + + int paints; +}; + +void tst_QGraphicsView::render() +{ + // ### This test can be much more thorough - see QGraphicsScene::render. + QGraphicsScene scene; + RenderTester *r1 = new RenderTester(QRectF(0, 0, 50, 50)); + RenderTester *r2 = new RenderTester(QRectF(50, 50, 50, 50)); + RenderTester *r3 = new RenderTester(QRectF(0, 50, 50, 50)); + RenderTester *r4 = new RenderTester(QRectF(50, 0, 50, 50)); + scene.addItem(r1); + scene.addItem(r2); + scene.addItem(r3); + scene.addItem(r4); + + QGraphicsView view(&scene); + view.setFrameStyle(0); + view.resize(200, 200); + view.show(); +#ifdef Q_WS_X11 + qt_x11_wait_for_window_manager(&view); +#endif + QTest::qWait(200); + + QCOMPARE(r1->paints, 1); + QCOMPARE(r2->paints, 1); + QCOMPARE(r3->paints, 1); + QCOMPARE(r4->paints, 1); + + QPixmap pix(200, 200); + pix.fill(Qt::transparent); + QPainter painter(&pix); + view.render(&painter); + painter.end(); + + QCOMPARE(r1->paints, 2); + QCOMPARE(r2->paints, 2); + QCOMPARE(r3->paints, 2); + QCOMPARE(r4->paints, 2); +} + +void tst_QGraphicsView::exposeRegion() +{ + RenderTester *item = new RenderTester(QRectF(0, 0, 20, 20)); + QGraphicsScene scene; + scene.addItem(item); + + CustomView view; + view.setScene(&scene); + view.show(); +#ifdef Q_WS_X11 + qt_x11_wait_for_window_manager(&view); +#endif + QTest::qWait(125); + + item->paints = 0; + view.lastUpdateRegions.clear(); + + // Update a small area in the viewport's topLeft() and bottomRight(). + // (the boundingRect() of this area covers the entire viewport). + QWidget *viewport = view.viewport(); + QRegion expectedExposeRegion = QRect(0, 0, 5, 5); + expectedExposeRegion += QRect(viewport->rect().bottomRight() - QPoint(5, 5), QSize(5, 5)); + viewport->update(expectedExposeRegion); + qApp->processEvents(); + + // Make sure it triggers correct repaint on the view. + QCOMPARE(view.lastUpdateRegions.size(), 1); + QCOMPARE(view.lastUpdateRegions.at(0), expectedExposeRegion); + + // Make sure the item didn't get any repaints. + QCOMPARE(item->paints, 0); +} + void tst_QGraphicsView::task253415_reconnectUpdateSceneOnSceneChanged() { QGraphicsView view; |