Exemplo n.º 1
0
/**
 * Checks if the script can be used in a component
 */
bool ScriptingService::validateScript(Script script,
                                      QString &errorMessage) {
    const QString path = script.getScriptPath();
    QFile file(path);

    if (!file.exists()) {
        errorMessage = tr("file doesn't exist");
        return false;
    }

    const QUrl fileUrl = QUrl::fromLocalFile(path);

    QQmlEngine *engine = new QQmlEngine();
    QQmlComponent *component = new QQmlComponent(engine);
    component->loadUrl(fileUrl);

    // we need the object to get all errors
    QObject *object = component->create();

    bool result = component->isReady() && !component->isError();

    if (!result) {
        errorMessage = component->errorString();
    }

    delete(object);
    delete(component);
    return result;
}
Exemplo n.º 2
0
QObject *QFAppDispatcher::singletonObject(QQmlEngine *engine, QString package, int versionMajor, int versionMinor, QString typeName)
{
    QString pattern  = "import QtQuick 2.0\nimport %1 %2.%3;QtObject { property var object : %4 }";

    QString qml = pattern.arg(package).arg(versionMajor).arg(versionMinor).arg(typeName);

    QObject* holder = 0;

    QQmlComponent comp (engine);
    comp.setData(qml.toUtf8(),QUrl());
    holder = comp.create();

    if (!holder) {
        qWarning() << QString("QuickFlux: Failed to gain singleton object: %1").arg(typeName);
        qWarning() << QString("Error: ") << comp.errorString();
        return 0;
    }

    QObject*object = holder->property("object").value<QObject*>();
    holder->deleteLater();

    if (!object) {
        qWarning() << QString("QuickFlux: Failed to gain singleton object: %1").arg(typeName);
        qWarning() << QString("Error: Unknown");
    }

    return object;
}
Exemplo n.º 3
0
int main(int argc, char ** argv)
{
	QApplication app(argc, argv);

	qmlRegisterType<Hider>("com.ics.demo", 1, 0, "Hider");

	int rc = 0;

	QQmlEngine engine;
	QQmlComponent *component = new QQmlComponent(&engine);

	QObject::connect(&engine, SIGNAL(quit()), QCoreApplication::instance(), SLOT(quit()));

    component->loadUrl(QUrl("../../Source/main.qml"));

	Hider::image_provider = new ImageProvider;
	engine.addImageProvider("images", Hider::image_provider);

	if (!component->isReady() ) {
		qWarning("%s", qPrintable(component->errorString()));
		return -1;
	}

	QObject *topLevel = component->create();
	QQuickWindow *window = qobject_cast<QQuickWindow *>(topLevel);

	QSurfaceFormat surfaceFormat = window->requestedFormat();
	window->setFormat(surfaceFormat);
	window->show();

	rc = app.exec();

	delete component;
	return rc;
}
Exemplo n.º 4
0
char *componentErrorString(QQmlComponent_ *component)
{
    QQmlComponent *qcomponent = reinterpret_cast<QQmlComponent *>(component);
    if (qcomponent->isReady()) {
        return NULL;
    }
    if (qcomponent->isError()) {
        QByteArray ba = qcomponent->errorString().toUtf8();
        return local_strdup(ba.constData());
    }
    return local_strdup("component is not ready (why!?)");
}
Exemplo n.º 5
0
void tst_qqmlenginecleanup::test_qmlClearTypeRegistrations()
{
    //Test for preventing memory leaks is in tests/manual/qmltypememory
    QQmlEngine* engine;
    QQmlComponent* component;
    QUrl testFile = testFileUrl("types.qml");

    qmlRegisterType<QObject>("Test", 2, 0, "TestTypeCpp");
    engine = new QQmlEngine;
    component = new QQmlComponent(engine, testFile);
    QVERIFY(component->isReady());

    delete engine;
    delete component;
    qmlClearTypeRegistrations();

    //2nd run verifies that types can reload after a qmlClearTypeRegistrations
    qmlRegisterType<QObject>("Test", 2, 0, "TestTypeCpp");
    engine = new QQmlEngine;
    component = new QQmlComponent(engine, testFile);
    QVERIFY(component->isReady());

    delete engine;
    delete component;
    qmlClearTypeRegistrations();

    //3nd run verifies that TestTypeCpp is no longer registered
    engine = new QQmlEngine;
    component = new QQmlComponent(engine, testFile);
    QVERIFY(component->isError());
    QCOMPARE(component->errorString(),
            testFile.toString() +":46 module \"Test\" is not installed\n");

    delete engine;
    delete component;
}