Can't focus on TextField in Intergration Mode

Hello everybody :)
I have a question about my problem...
I create a simple QWidget Applciation with QML file... after load and show my qml file into Widget anything is ok but TextField and TextAreaField focus property isn't work ! why ? I mean i can't click into TextField or TextAreaField to type ... !
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import QtQuick 2.2
import QtQuick.Window 2.1
import QtQuick.Controls 1.2

Rectangle {
visible: true
width: 360
height: 360

Rectangle{
Text {
    text: qsTr("Hello World")
    anchors.centerIn: parent
}

MouseArea {
    anchors.fill: parent
    onClicked: {
        Qt.quit();
    }
}

Button {
    id: button1
    x: -36
    y: 14
    text: qsTr("Button")
}

TextField {
    id: textField1
    x: -62
    y: 53
    placeholderText: qsTr("Text Field")
}

}

}

@

and C++ codes...

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QQuickWidget *view = new QQuickWidget;
QUrl source("qrc:qml/main.qml");

view->setSource(source);
view->show();
@

Someone can help me?
Selection doesn't work for the TextInput and TextAreaInput even when it's not read only. this is a bug ?! how can I solve this problem ?