C++ QAccessibleInterface::child方法代码示例

void tst_QQuickAccessible::ignoredTest()
{
    QScopedPointer<QQuickView> window(new QQuickView());
    window->setSource(testFileUrl("ignored.qml"));
    window->show();

    QQuickItem *contentItem = window->contentItem();
    QVERIFY(contentItem);
    QQuickItem *rootItem = contentItem->childItems().first();
    QVERIFY(rootItem);

    // the window becomes active
    QAccessible::State activatedChange;
    activatedChange.active = true;

    QAccessibleInterface *iface = QAccessible::queryAccessibleInterface(window.data());
    QVERIFY(iface);
    QAccessibleInterface *rectangleA = iface->child(0);

    QCOMPARE(rectangleA->role(), QAccessible::StaticText);
    QCOMPARE(rectangleA->text(QAccessible::Name), QLatin1String("A"));
    static const char *expected = "BEFIHD";
    // check if node "C" and "G" is skipped and that the order is as expected.
    for (int i = 0; i < rectangleA->childCount(); ++i) {
        QAccessibleInterface *child = rectangleA->child(i);
        QCOMPARE(child->text(QAccessible::Name), QString(QLatin1Char(expected[i])));
    }
    QTestAccessibility::clearEvents();
}

void tst_QQuickAccessible::hitTest()
{
    QQuickView *window = new QQuickView;
    window->setSource(testFileUrl("hittest.qml"));
    window->show();

    QAccessibleInterface *windowIface = QAccessible::queryAccessibleInterface(window);
    QVERIFY(windowIface);
    QAccessibleInterface *rootItem = windowIface->child(0);
    QRect rootRect = rootItem->rect();

    // check the root item from app
    QAccessibleInterface *appIface = QAccessible::queryAccessibleInterface(qApp);
    QVERIFY(appIface);
    QAccessibleInterface *itemHit = appIface->childAt(rootRect.x() + 200, rootRect.y() + 50);
    QVERIFY(itemHit);
    QCOMPARE(itemHit->rect(), rootRect);

    QAccessibleInterface *rootItemIface;
    for (int c = 0; c < rootItem->childCount(); ++c) {
        QAccessibleInterface *iface = rootItem->child(c);
        QString name = iface->text(QAccessible::Name);
        if (name == QLatin1String("rect1")) {
            // hit rect1
            QAccessibleInterface *rect1 = iface;
            QRect rect1Rect = rect1->rect();
            QAccessibleInterface *rootItemIface = rootItem->childAt(rect1Rect.x() + 10, rect1Rect.y() + 10);
            QVERIFY(rootItemIface);
            QCOMPARE(rect1Rect, rootItemIface->rect());
            QCOMPARE(rootItemIface->text(QAccessible::Name), QLatin1String("rect1"));

            // should also work from top level (app)
            QAccessibleInterface *app(QAccessible::queryAccessibleInterface(qApp));
            QAccessibleInterface *itemHit2(topLevelChildAt(app, rect1Rect.x() + 10, rect1Rect.y() + 10));
            QVERIFY(itemHit2);
            QCOMPARE(itemHit2->rect(), rect1Rect);
            QCOMPARE(itemHit2->text(QAccessible::Name), QLatin1String("rect1"));
        } else if (name == QLatin1String("rect2")) {
            QAccessibleInterface *rect2 = iface;
            // FIXME: This is seems broken on OS X
            // QCOMPARE(rect2->rect().translated(rootItem->rect().x(), rootItem->rect().y()), QRect(0, 50, 100, 100));
            QAccessibleInterface *rect20 = rect2->child(0);
            QVERIFY(rect20);
            QCOMPARE(rect20->text(QAccessible::Name), QLatin1String("rect20"));
            QPoint p = rect20->rect().bottomRight() + QPoint(20, 20);
            QAccessibleInterface *rect201 = rect20->childAt(p.x(), p.y());
            QVERIFY(rect201);
            QCOMPARE(rect201->text(QAccessible::Name), QLatin1String("rect201"));
            rootItemIface = topLevelChildAt(windowIface, p.x(), p.y());
            QVERIFY(rootItemIface);
            QCOMPARE(rootItemIface->text(QAccessible::Name), QLatin1String("rect201"));

        }
    }

    delete window;
    QTestAccessibility::clearEvents();
}

void tst_QQuickAccessible::hitTest()
{
    QQuickView *window = new QQuickView;
    window->setSource(testFileUrl("hittest.qml"));
    window->show();

    QAccessibleInterface *windowIface = QAccessible::queryAccessibleInterface(window);
    QVERIFY(windowIface);
    QAccessibleInterface *rootItem = windowIface->child(0);
    QRect rootRect = rootItem->rect();

    // check the root item from app
    QAccessibleInterface *appIface = QAccessible::queryAccessibleInterface(qApp);
    QVERIFY(appIface);
    QAccessibleInterface *itemHit(appIface->childAt(rootRect.x() + 200, rootRect.y() + 50));
    QVERIFY(itemHit);
    QCOMPARE(rootRect, itemHit->rect());

    // hit rect1
    QAccessibleInterface *rect1(rootItem->child(0));
    QRect rect1Rect = rect1->rect();
    QAccessibleInterface *rootItemIface = rootItem->childAt(rect1Rect.x() + 10, rect1Rect.y() + 10);
    QVERIFY(rootItemIface);
    QCOMPARE(rect1Rect, rootItemIface->rect());
    QCOMPARE(rootItemIface->text(QAccessible::Name), QLatin1String("rect1"));

    // should also work from top level (app)
    QAccessibleInterface *app(QAccessible::queryAccessibleInterface(qApp));
    QAccessibleInterface *itemHit2(topLevelChildAt(app, rect1Rect.x() + 10, rect1Rect.y() + 10));
    QVERIFY(itemHit2);
    QCOMPARE(itemHit2->rect(), rect1Rect);
    QCOMPARE(itemHit2->text(QAccessible::Name), QLatin1String("rect1"));

    // hit rect201
    QAccessibleInterface *rect2(rootItem->child(1));
    QVERIFY(rect2);
    // FIXME: This is seems broken on mac
    // QCOMPARE(rect2->rect().translated(rootItem->rect().x(), rootItem->rect().y()), QRect(0, 50, 100, 100));
    QAccessibleInterface *rect20(rect2->child(0));
    QVERIFY(rect20);
    QAccessibleInterface *rect201(rect20->child(1));
    QVERIFY(rect201);

    QRect rect201Rect = rect201->rect();
    rootItemIface = windowIface->childAt(rect201Rect.x() + 20, rect201Rect.y() + 20);
    QVERIFY(rootItemIface);
    QCOMPARE(rootItemIface->rect(), rect201Rect);
    QCOMPARE(rootItemIface->text(QAccessible::Name), QLatin1String("rect201"));

    delete window;
    QTestAccessibility::clearEvents();
}

void tst_QQuickAccessible::basicPropertiesTest()
{
    QAccessibleInterface *app = QAccessible::queryAccessibleInterface(qApp);
    QCOMPARE(app->childCount(), 0);

    QQuickView *window = new QQuickView();
    window->setSource(testFileUrl("statictext.qml"));
    window->show();
    QCOMPARE(app->childCount(), 1);

    QAccessibleInterface *iface = QAccessible::queryAccessibleInterface(window);
    QVERIFY(iface);
    QCOMPARE(iface->childCount(), 1);

    QAccessibleInterface *item = iface->child(0);
    QVERIFY(item);
    QCOMPARE(item->childCount(), 2);
    QCOMPARE(item->rect().size(), QSize(400, 400));
    QCOMPARE(item->role(), QAccessible::Client);
    QCOMPARE(iface->indexOfChild(item), 0);

    QAccessibleInterface *text = item->child(0);
    QVERIFY(text);
    QCOMPARE(text->childCount(), 0);

    QCOMPARE(text->text(QAccessible::Name), QLatin1String("Hello Accessibility"));
    QCOMPARE(text->rect().size(), QSize(200, 50));
    QCOMPARE(text->rect().x(), item->rect().x() + 100);
    QCOMPARE(text->rect().y(), item->rect().y() + 20);
    QCOMPARE(text->role(), QAccessible::StaticText);
    QCOMPARE(item->indexOfChild(text), 0);

    QAccessibleInterface *text2 = item->child(1);
    QVERIFY(text2);
    QCOMPARE(text2->childCount(), 0);

    QCOMPARE(text2->text(QAccessible::Name), QLatin1String("The Hello 2 accessible text"));
    QCOMPARE(text2->rect().size(), QSize(100, 40));
    QCOMPARE(text2->rect().x(), item->rect().x() + 100);
    QCOMPARE(text2->rect().y(), item->rect().y() + 40);
    QCOMPARE(text2->role(), QAccessible::StaticText);
    QCOMPARE(item->indexOfChild(text2), 1);

    QCOMPARE(iface->indexOfChild(text2), -1);
    QCOMPARE(text2->indexOfChild(item), -1);

    delete window;
    QTestAccessibility::clearEvents();
}

    static jintArray childIdListForAccessibleObject(JNIEnv *env, jobject /*thiz*/, jint objectId)
    {
        QAccessibleInterface *iface = interfaceFromId(objectId);
        if (iface) {
            jintArray jArray = env->NewIntArray(jsize(iface->childCount()));
            for (int i = 0; i < iface->childCount(); ++i) {
                QAccessibleInterface *child = iface->child(i);
                if (child) {
                    QAccessible::Id ifaceId = QAccessible::uniqueId(child);
                    jint jid = ifaceId;
                    env->SetIntArrayRegion(jArray, i, 1, &jid);
                }
            }
            return jArray;
        }

        return env->NewIntArray(jsize(0));
    }

/*
    Recursiveley navigates the accessible hiearchy looking for an interface that
    passsed the Test (meaning it returns true).
*/
QAccessibleInterface *WidgetNavigator::recursiveSearch(TestBase *test, QAccessibleInterface *iface)
{
    QStack<QAccessibleInterface *> todoInterfaces;
    todoInterfaces.push(iface);

    while (todoInterfaces.isEmpty() == false) {
        QAccessibleInterface *testInterface = todoInterfaces.pop();

        if ((*test)(testInterface))
            return testInterface;

        const int numChildren = testInterface->childCount();
        for (int i = 0; i < numChildren; ++i) {
            QAccessibleInterface *childInterface = testInterface->child(i);
            if (childInterface) {
                todoInterfaces.push(childInterface);
            }
        }
    }
    return 0;
}

void tst_QQuickAccessible::checkableTest()
{
    QScopedPointer<QQuickView> window(new QQuickView());
    window->setSource(testFileUrl("checkbuttons.qml"));
    window->show();

    QQuickItem *contentItem = window->contentItem();
    QVERIFY(contentItem);
    QQuickItem *rootItem = contentItem->childItems().first();
    QVERIFY(rootItem);

    // the window becomes active
    QAccessible::State activatedChange;
    activatedChange.active = true;

    QAccessibleInterface *iface = QAccessible::queryAccessibleInterface(window.data());
    QVERIFY(iface);
    QAccessibleInterface *root = iface->child(0);

    QAccessibleInterface *button1 = root->child(0);
    QCOMPARE(button1->role(), QAccessible::Button);
    QVERIFY(!(button1->state().checked));
    QVERIFY(!(button1->state().checkable));

    QVERIFY(button1->state().focusable);
    QVERIFY(!button1->state().focused);

    QTestAccessibility::clearEvents();

    // set properties
    QQuickItem *button1item = qobject_cast<QQuickItem*>(rootItem->childItems().at(0));
    QVERIFY(button1item);
    QCOMPARE(button1item->objectName(), QLatin1String("button1"));
    button1item->forceActiveFocus();
    QVERIFY(button1->state().focusable);
    QVERIFY(button1->state().focused);

    QAccessibleEvent focusEvent(button1item, QAccessible::Focus);
    QVERIFY_EVENT(&focusEvent);

    QAccessibleInterface *button2 = root->child(1);
    QVERIFY(!(button2->state().checked));
    QVERIFY(button2->state().checkable);
    QQuickItem *button2item = qobject_cast<QQuickItem*>(rootItem->childItems().at(1));
    QVERIFY(button2item);
    QCOMPARE(button2item->objectName(), QLatin1String("button2"));

    QAccessibleInterface *button3 = root->child(2);
    QVERIFY(button3->state().checked);
    QVERIFY(button3->state().checkable);

    QAccessibleInterface *checkBox1 = root->child(3);
    QCOMPARE(checkBox1->role(), QAccessible::CheckBox);
    QVERIFY(checkBox1->state().checked);
    QVERIFY(checkBox1->state().checkable);
    QQuickItem *checkbox1item = qobject_cast<QQuickItem*>(rootItem->childItems().at(3));
    QVERIFY(checkbox1item);
    QCOMPARE(checkbox1item->objectName(), QLatin1String("checkbox1"));

    checkbox1item->setProperty("checked", false);
    QVERIFY(!checkBox1->state().checked);
    QAccessible::State checkState;
    checkState.checked = true;
    QAccessibleStateChangeEvent checkChanged(checkbox1item, checkState);
    QVERIFY_EVENT(&checkChanged);

    checkbox1item->setProperty("checked", true);
    QVERIFY(checkBox1->state().checked);
    QVERIFY_EVENT(&checkChanged);

    QAccessibleInterface *checkBox2 = root->child(4);
    QVERIFY(!(checkBox2->state().checked));
    QVERIFY(checkBox2->state().checkable);

    QTestAccessibility::clearEvents();
}