Double-clicking text in a TextArea selects the whole paragraph

import QtQuick 2.5
import QtQuick.Layouts 1.1
import QtQuick.Controls 1.4 as QQC1
import QtQuick.Controls 2.1 as QQC2
import Qt.labs.platform 1.0

QQC2.ApplicationWindow {
    id: window
    visible: true
    width: 640
    height: 480
    title: qsTr("Hello World")

    Shortcut {
        sequence: "Ctrl+Q"
        onActivated: Qt.quit()
    }

    property string t: "Blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah" +
                          " blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah" +
                          " blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah"

    ColumnLayout {
        anchors.fill: parent

        ColumnLayout {
            QQC2.Label {
                text: "Qt Quick TextInput"
            }

            TextInput {
                text: t
                wrapMode: TextEdit.Wrap
                selectByMouse: true
            }

            QQC2.Label {
                text: "Qt Quick TextEdit"
            }

            TextEdit {
                text: t
                wrapMode: TextEdit.Wrap
                selectByMouse: true
            }

            QQC2.Label {
                text: "QQC1 TextArea"
            }

            QQC1.TextArea {
                text: t
                // Another bug? Can't use QQC1.TextArea.Wrap here...
                wrapMode: QQC2.TextArea.Wrap

                Layout.fillWidth: true
            }

            QQC2.Label {
                text: "QQC2 TextArea"
            }

            QQC2.TextArea {
                text: t
                wrapMode: QQC2.TextArea.Wrap
                selectByMouse: true

                Layout.fillWidth: true
            }
        }
    }
}