wrong TextArea implicit/painted values

import QtQuick 2.6
import Qt.labs.controls 1.0

ApplicationWindow {
    visible: true

    Flickable {
        id: flick
        anchors.fill: parent
        ScrollBar.vertical: ScrollBar {}
        contentWidth: textEdit.implicitWidth
        contentHeight: textEdit.implicitHeight
        flickableDirection: Flickable.VerticalFlick
        clip: true

        TextArea {
            id: textEdit
            placeholderText: "Enter command..."
            text: "aaaaaaaaaaaaaaa aaaaaaaaaaaaaaa aaaaaaaaaaaaaaa aaaaaaaaaaaaaaa aaaaaaaaaaaaaaa"
                + "aaaaaaaaaaaaaaa aaaaaaaaaaaaaaa aaaaaaaaaaaaaaa aaaaaaaaaaaaaaa aaaaaaaaaaaaaaa aaaaaaaaaaaaaaa "
                + "aaaaaaaaaaaaaaa aaaaaaaaaaaaaaa aaaaaaaaaaaaaaa aaaaaaaaaaaaaaa aaaaaaaaaaaaaaa aaaaaaaaaaaaaaa "
            width: flick.width
            height: flick.height
            wrapMode: TextEdit.Wrap
        }
    }
}