import QtQuick 2.3
import QtQuick.Controls 1.2
import QtQuick.Layouts 1.1

ApplicationWindow {
    visible: true
    width: 320
    height: 200
    title: qsTr("Hello World")

    RowLayout {
        anchors.fill: parent

        Button {
            id: buttonStart
            visible: false

            text: "START"
        }
        Item {
            Layout.fillWidth: true
            Layout.preferredWidth: 1
            visible: buttonStart.visible
        }
        Button {
            text: "RX"
        }
        Item {
            Layout.fillWidth: true
            Layout.preferredWidth: 1
        }
        Button {
            text: "EX"
            onClicked: {
                buttonStart.visible = true;
            }
        }
    }
}