import QtQuick 2.6
import QtQuick.Window 2.2

Window {
    id: window
    width: 300
    height: 300
    visible: true

    Text {
        text: row.implicitWidth
    }

    Row {
        id: row
        spacing: 20
        anchors.centerIn: parent
        Repeater {
            id: repeater
            model: ["First", "Second", "Third", "Fourth"]
            Text {
                text: modelData
                width: (window.width - (repeater.count - 1) * parent.spacing) / repeater.count
                Rectangle { z: -1; border.width: 1; anchors.fill: parent}
            }
        }
    }
}