How to get coordinate of the TextArea current selection text?

[senmx]

ScrollView {
    id: scroll
    width: parent.width
    height: parent.height
    contentWidth:  width
    contentHeight: col.height
    Column {
        id: col
        width: parent.width
        anchors.fill: parent
        TextArea {
            id: text
            readOnly: true
            width: parent.width
            textFormat: Text.RichText
            selectByMouse: true
        }
    }
    Component.onCompleted: {
        let i = 100;
        text.cursorPosition = i;
        text.moveCursorSelection(i+10, TextEdit.SelectCharacters);
        //How to get the Y corrdinate of the current selection text? Then I would like scroll to the corresponding position.
        let y = 0;
    }
}