QML Ribbon hacky

import QtQuick 2.12
import QtQuick.Window 2.12
import QtQuick.Controls 2.13
import QtQuick.Layouts 1.12

Window {
    visible: true
    width: 1366
    height: 768
    title: qsTr("Hello World")

    Rectangle {
        id:nav
        height: 150

        anchors {
            top:parent.top
            right:parent.right
            left:parent.left
        }
        TabBar {
            id: tabBar
            height: 79
            anchors {
                top:parent.top
                right:parent.right
                left:parent.left
            }
            TabButton {
                 text: qsTr("Home")
             }
             TabButton {
                 text: qsTr("Discover")
             }
             TabButton {
                 text: qsTr("Activity")
             }
        }

        StackLayout {
            id:stackLayoutNavigation
            height: 150
            anchors {
                top:tabBar.bottom
                right:parent.right
                left:parent.left
            }
            currentIndex: tabBar.currentIndex
            Row {
                spacing: 40
                anchors.margins: 30
                Button {
                    text: qsTr("btn 1")
                }
                Button {
                    text: qsTr("btn 1")
                }
                Button {
                    text: qsTr("btn 1")
                }
                Button {
                    text: qsTr("btn 1")
                }
            }
            Row {
                anchors.margins: 30
                spacing: 40
                Button {
                    text: qsTr("aaaaaaa1")
                }
            }
            Row {
                anchors.margins: 30
                spacing: 40
                Button {
                    text: qsTr("bbbbbbbbbb 1")
                }
                Button {
                    text: qsTr("bbbbbbbbbbb 1")
                }

            }
        }
    }


    Rectangle {
        id:stackLayoutContent
         color: "gray"
        anchors {
            top:nav.bottom
            right:parent.right
            bottom:parent.bottom
            left:parent.left
        }


    }

}