bhcontentview.swift

public struct ContentView: View {
    public init(viewState: ViewState, rootHandler: @escaping (Message) -> ()) {
        self.viewState   = viewState
        self.rootHandler = rootHandler
    }
    public var body: some View {
        TabView(selection:$tab) {
            Dashboard(rootHandler).tabItem { Label(name(for:0), systemImage:imageName(for:0)) }.tag(0)
            Lights   (rootHandler).tabItem { Label(name(for:1), systemImage:imageName(for:1)) }.tag(1)
            Rooms    (rootHandler).tabItem { Label(name(for:2), systemImage:imageName(for:2)) }.tag(2)
            Shop     (rootHandler).tabItem { Label(name(for:3), systemImage:imageName(for:3)) }.tag(3)
            Settings (rootHandler).tabItem { Label(name(for:4), systemImage:imageName(for:4)) }.tag(4)
        }
        .environmentObject(viewState)
    }
    @ObservedObject
    private var viewState  : ViewState
    private let rootHandler: (Message) -> ()
}