Cursor width is reported wrong for custom cursor delegate

import QtQuick 2.0

Rectangle {
    width: 200
    height: 300

    TextInput {
        x: 10; y: 10
        width: 180
        text: "cursor delegate test"
        cursorDelegate: Rectangle { width: 2; color: "blue" }
        onCursorPositionChanged: {
            console.log("cursorRectangle.width: " + cursorRectangle.width)
            console.log("cursorRectangle.height: " + cursorRectangle.height)
        }
    }
}