import Adw
import Gtk

extension WidgetView where Target: Adw.HeaderBar {
    /// Applies the `.flat` style class.
    ///
    /// Flat appearance for the header bar.
    ///
    /// - Parameter enabled: Whether the style class is applied.
    /// - Returns: A copy of this view with the modifier applied.
    @available(*, deprecated, message: "Deprecated since libadwaita 1.4. Use Adw.ToolbarView instead.")
    public func flat(_ enabled: Bool = true) -> Self {
        styleClass("flat", enabled)
    }

    /// Applies the `.flat` style class.
    ///
    /// Flat appearance for the header bar.
    ///
    /// - Parameter enabled: A binding that controls whether the class is applied.
    /// - Returns: A copy of this view with the modifier applied.
    @available(*, deprecated, message: "Deprecated since libadwaita 1.4. Use Adw.ToolbarView instead.")
    public func flat(_ enabled: Binding<Bool>) -> Self {
        styleClass("flat", enabled)
    }
}

extension WidgetView where Target: Gtk.HeaderBar {
    /// Applies the `.flat` style class.
    ///
    /// Flat appearance for the header bar.
    ///
    /// - Parameter enabled: Whether the style class is applied.
    /// - Returns: A copy of this view with the modifier applied.
    @available(*, deprecated, message: "Deprecated since libadwaita 1.4. Use Adw.ToolbarView instead.")
    public func flat(_ enabled: Bool = true) -> Self {
        styleClass("flat", enabled)
    }

    /// Applies the `.flat` style class.
    ///
    /// Flat appearance for the header bar.
    ///
    /// - Parameter enabled: A binding that controls whether the class is applied.
    /// - Returns: A copy of this view with the modifier applied.
    @available(*, deprecated, message: "Deprecated since libadwaita 1.4. Use Adw.ToolbarView instead.")
    public func flat(_ enabled: Binding<Bool>) -> Self {
        styleClass("flat", enabled)
    }
}