<frame>
    <menubar id="main-menubar" width="parent.w">
        <item><text>Home</text></item>
        <item><text>Items</text></item>
    </menubar>
    <scrollbar id="main-scroll" x="parent.w" y="2" maxValue="20" symbol="#" height="parent.h-1"/>
    <frame id="main-content" bg="red" y="2" width="parent.w-1" height="parent.h-1"></frame>>
</frame>