Beispiel #1
0
int main(int argc, char *argv[])
{
    QGuiApplication app(argc, argv);

    qmlRegisterType<Window>("People", 1, 0, "Window");
    qmlRegisterType<Person>("People", 1, 0, "Person");

    QQmlApplicationEngine engine;
    QQmlComponent *component = new QQmlComponent(&engine);
    QObject::connect(&engine, SIGNAL(quit()), QCoreApplication::instance(), SLOT(quit()));
    component->loadUrl(QUrl(QStringLiteral("qrc:/main.qml")));

    QObject *appWindow = component->create();

    //these three lines are simply to show that we can change the name value
    //of this
    QObject *persona = appWindow->findChild<QObject*>("persona");
    if (persona)
        persona->setProperty("name", "Blanco");

    //these three lines are simply to show that we can change the text value
    //of this (comment or uncomment these lines to see that we can change any
    //property in the qml from c++ code
    /*
    QObject *label = appWindow->findChild<QObject*>("label");
    if (label)
        label->setProperty("text", QString("Ramon (changed from c++ code)"));
    */

    QQuickWindow *window = qobject_cast<QQuickWindow *>(appWindow);
    QSurfaceFormat surfaceFormat = window->requestedFormat();
    window->setFormat(surfaceFormat);
    window->show();

    return app.exec();
}
Beispiel #2
0
    this->m_convert->setProperty("caps", "video/x-raw,format=bgra");

    this->resetAmplitude();
    this->resetFrequency();
    this->resetGridSizeLog();
}

QObject *DistortElement::controlInterface(QQmlEngine *engine, const QString &controlId) const
{
    Q_UNUSED(controlId)

    if (!engine)
        return NULL;

    // Load the UI from the plugin.
    QQmlComponent component(engine, QUrl(QStringLiteral("qrc:/Distort/share/qml/main.qml")));

    // Create a context for the plugin.
    QQmlContext *context = new QQmlContext(engine->rootContext());
    context->setContextProperty("Distort", (QObject *) this);
    context->setContextProperty("controlId", this->objectName());

    // Create an item with the plugin context.
    QObject *item = component.create(context);
    context->setParent(item);

    return item;
}

qreal DistortElement::amplitude() const
{
void TestSimpleQmlLoad::loadAlias4()
{
    QVariant v;
    QQmlEngine *engine = new QQmlEngine;
    const QString TEST_FILE(":/testqml/testalias4.qml");
    QQmlComponent* component = load(engine, TEST_FILE);
    QVERIFY(component);

    QObject *myObject = component->create();
    QVERIFY(myObject != NULL);

    // check that the alias's work
    v = myObject->property("i1_x");
    QVERIFY(!v.isNull());
    QVERIFY(v.toInt() == 111);

    v = myObject->property("i1_x");
    QVERIFY(!v.isNull());
    QVERIFY(v.toInt() == 111);

    QObject *i2 = myObject->findChild<QObject*>("i2");
    v = i2->property("i1_x");
    QVERIFY(!v.isNull());
    QVERIFY(v.toInt() == 111);

    v = myObject->property("r0_height");
    QVERIFY(!v.isNull());
    QVERIFY(v.toInt() == 222);

    v = i2->property("r0_height");
    QVERIFY(!v.isNull());
    QVERIFY(v.toInt() == 222);

    // change the aliases target values and check again.
    QObject *i1 = myObject->findChild<QObject*>("i1");
    QVERIFY(i1);
    i1->setProperty("x", 666);

    v = myObject->property("i1_x");
    QVERIFY(!v.isNull());
    QVERIFY(v.toInt() == 666);

    v = i2->property("i1_x");
    QVERIFY(!v.isNull());
    QVERIFY(v.toInt() == 666);

    QObject *r0 = myObject->findChild<QObject*>("r0");
    QVERIFY(r0);
    r0->setProperty("height", 777);

    v = myObject->property("r0_height");
    QVERIFY(!v.isNull());
    QVERIFY(v.toInt() == 777);

    v = i2->property("r0_height");
    QVERIFY(!v.isNull());
    QVERIFY(v.toInt() == 777);

    delete component;
    delete engine;
}