QString QmlProjectRunConfiguration::executable() const
{
    QtSupport::BaseQtVersion *version = qtVersion();
    if (!version)
        return QString();

    if (id() == Constants::QML_SCENE_RC_ID)
        return version->qmlsceneCommand();
    return version->qmlviewerCommand();
}
QString QmlProjectRunConfiguration::observerPath() const
{
    QtSupport::BaseQtVersion *version = qtVersion();
    if (!version) {
        return QString();
    } else {
        if (id() == Constants::QML_SCENE_RC_ID)
            return version->qmlsceneCommand();
        if (!version->needsQmlDebuggingLibrary())
            return version->qmlviewerCommand();
        return version->qmlObserverTool();
    }
}