diff options
Diffstat (limited to 'tests/auto/qgraphicsitem/tst_qgraphicsitem.cpp')
-rw-r--r-- | tests/auto/qgraphicsitem/tst_qgraphicsitem.cpp | 166 |
1 files changed, 164 insertions, 2 deletions
diff --git a/tests/auto/qgraphicsitem/tst_qgraphicsitem.cpp b/tests/auto/qgraphicsitem/tst_qgraphicsitem.cpp index 5565aa6..6d150cb 100644 --- a/tests/auto/qgraphicsitem/tst_qgraphicsitem.cpp +++ b/tests/auto/qgraphicsitem/tst_qgraphicsitem.cpp @@ -78,8 +78,7 @@ Q_DECLARE_METATYPE(QRectF) class EventTester : public QGraphicsItem { public: - EventTester() - : repaints(0) + EventTester(QGraphicsItem *parent = 0) : QGraphicsItem(parent), repaints(0) { br = QRectF(-10, -10, 20, 20); } void setGeometry(const QRectF &rect) @@ -207,6 +206,7 @@ private slots: void itemTransform_unrelated(); void opacity_data(); void opacity(); + void opacity2(); void itemStacksBehindParent(); void nestedClipping(); void nestedClippingTransforms(); @@ -214,6 +214,7 @@ private slots: void tabChangesFocus(); void tabChangesFocus_data(); void cacheMode(); + void updateCachedItemAfterMove(); // task specific tests below me void task141694_textItemEnsureVisible(); @@ -3654,6 +3655,8 @@ void tst_QGraphicsItem::defaultItemTest_QGraphicsEllipseItem() class ItemChangeTester : public QGraphicsRectItem { public: + ItemChangeTester(){} + ItemChangeTester(QGraphicsItem *parent) : QGraphicsRectItem(parent) {} QVariant itemChangeReturnValue; QGraphicsScene *itemSceneChangeTargetScene; @@ -3928,6 +3931,39 @@ void tst_QGraphicsItem::itemChange() QCOMPARE(tester.changes.size(), ++changeCount); QCOMPARE(tester.changes.last(), QGraphicsItem::ItemChildRemovedChange); QCOMPARE(qVariantValue<QGraphicsItem *>(tester.values.last()), (QGraphicsItem *)&testerHelper); + + // ItemChildRemovedChange 1 + ItemChangeTester *test = new ItemChangeTester; + test->itemSceneChangeTargetScene = 0; + int count = 0; + QGraphicsScene *scene = new QGraphicsScene; + scene->addItem(test); + count = test->changes.size(); + //We test here the fact that when a child is deleted the parent receive only one ItemChildRemovedChange + QGraphicsRectItem *child = new QGraphicsRectItem(test); + //We received ItemChildAddedChange + QCOMPARE(test->changes.size(), ++count); + QCOMPARE(test->changes.last(), QGraphicsItem::ItemChildAddedChange); + delete child; + child = 0; + QCOMPARE(test->changes.size(), ++count); + QCOMPARE(test->changes.last(), QGraphicsItem::ItemChildRemovedChange); + + ItemChangeTester *childTester = new ItemChangeTester(test); + //Changes contains all sceneHasChanged and so on, we don't want to test that + int childCount = childTester->changes.size(); + //We received ItemChildAddedChange + QCOMPARE(test->changes.size(), ++count); + child = new QGraphicsRectItem(childTester); + //We received ItemChildAddedChange + QCOMPARE(childTester->changes.size(), ++childCount); + QCOMPARE(childTester->changes.last(), QGraphicsItem::ItemChildAddedChange); + //Delete the child of the top level with all its children + delete childTester; + //Only one removal + QCOMPARE(test->changes.size(), ++count); + QCOMPARE(test->changes.last(), QGraphicsItem::ItemChildRemovedChange); + delete scene; } { // ItemChildRemovedChange 2 @@ -5534,6 +5570,91 @@ void tst_QGraphicsItem::opacity() QCOMPARE(c3->effectiveOpacity(), c3_effectiveOpacity); } +void tst_QGraphicsItem::opacity2() +{ + EventTester *parent = new EventTester; + EventTester *child = new EventTester(parent); + EventTester *grandChild = new EventTester(child); + + QGraphicsScene scene; + scene.addItem(parent); + + class MyGraphicsView : public QGraphicsView + { public: + int repaints; + MyGraphicsView(QGraphicsScene *scene) : QGraphicsView(scene), repaints(0) {} + void paintEvent(QPaintEvent *e) { ++repaints; QGraphicsView::paintEvent(e); } + }; + + MyGraphicsView view(&scene); + view.show(); +#ifdef Q_WS_X11 + qt_x11_wait_for_window_manager(&view); +#endif + QTest::qWait(250); + +#define RESET_REPAINT_COUNTERS \ + parent->repaints = 0; \ + child->repaints = 0; \ + grandChild->repaints = 0; \ + view.repaints = 0; + + RESET_REPAINT_COUNTERS + + child->setOpacity(0.0); + QTest::qWait(100); + QCOMPARE(view.repaints, 1); + QCOMPARE(parent->repaints, 1); + QCOMPARE(child->repaints, 0); + QCOMPARE(grandChild->repaints, 0); + + RESET_REPAINT_COUNTERS + + child->setOpacity(1.0); + QTest::qWait(100); + QCOMPARE(view.repaints, 1); + QCOMPARE(parent->repaints, 1); + QCOMPARE(child->repaints, 1); + QCOMPARE(grandChild->repaints, 1); + + RESET_REPAINT_COUNTERS + + parent->setOpacity(0.0); + QTest::qWait(100); + QCOMPARE(view.repaints, 1); + QCOMPARE(parent->repaints, 0); + QCOMPARE(child->repaints, 0); + QCOMPARE(grandChild->repaints, 0); + + RESET_REPAINT_COUNTERS + + parent->setOpacity(1.0); + QTest::qWait(100); + QCOMPARE(view.repaints, 1); + QCOMPARE(parent->repaints, 1); + QCOMPARE(child->repaints, 1); + QCOMPARE(grandChild->repaints, 1); + + grandChild->setFlag(QGraphicsItem::ItemIgnoresParentOpacity); + RESET_REPAINT_COUNTERS + + child->setOpacity(0.0); + QTest::qWait(100); + QCOMPARE(view.repaints, 1); + QCOMPARE(parent->repaints, 1); + QCOMPARE(child->repaints, 0); + QCOMPARE(grandChild->repaints, 1); + + RESET_REPAINT_COUNTERS + + child->setOpacity(0.0); // Already 0.0; no change. + QTest::qWait(100); + QCOMPARE(view.repaints, 0); + QCOMPARE(parent->repaints, 0); + QCOMPARE(child->repaints, 0); + QCOMPARE(grandChild->repaints, 0); +} + void tst_QGraphicsItem::itemStacksBehindParent() { QGraphicsRectItem *parent1 = new QGraphicsRectItem(QRectF(0, 0, 100, 50)); @@ -6038,5 +6159,46 @@ void tst_QGraphicsItem::cacheMode() QCOMPARE(testerChild2->repaints, 6); } +void tst_QGraphicsItem::updateCachedItemAfterMove() +{ + // A simple item that uses ItemCoordinateCache + EventTester *tester = new EventTester; + tester->setCacheMode(QGraphicsItem::ItemCoordinateCache); + + // Add to a scene, show in a view, ensure it's painted and reset its + // repaint counter. + QGraphicsScene scene; + scene.addItem(tester); + QGraphicsView view(&scene); + view.show(); +#ifdef Q_WS_X11 + qt_x11_wait_for_window_manager(&view); +#endif + QTest::qWait(125); + tester->repaints = 0; + + // Move the item, should not cause repaints + tester->setPos(10, 0); + QTest::qWait(125); + QCOMPARE(tester->repaints, 0); + + // Move then update, should cause one repaint + tester->setPos(20, 0); + tester->update(); + QTest::qWait(125); + QCOMPARE(tester->repaints, 1); + + // Hiding the item doesn't cause a repaint + tester->hide(); + QTest::qWait(125); + QCOMPARE(tester->repaints, 1); + + // Moving a hidden item doesn't cause a repaint + tester->setPos(30, 0); + tester->update(); + QTest::qWait(125); + QCOMPARE(tester->repaints, 1); +} + QTEST_MAIN(tst_QGraphicsItem) #include "tst_qgraphicsitem.moc" |