Enum NavStyle 

pub enum NavStyle {
    Automatic,
    Tabs,
    Sidebar,
}

How a nav presents its one-of-N choice (docs/navigation.md).

The default is Self::Automatic: unless you say otherwise, a nav wears whatever the platform wears at the window’s current width, and changes as the window does.

Variants

Automatic

The default. The platform’s own answer at this size: a tab bar on a phone-shaped window, a rail in the middle, a sidebar beside the detail when there is room, and it re-presents live as the window crosses a breakpoint (docs/size-classes.md).

This is .tabViewStyle(.sidebarAdaptable)’s job, and the native containers it maps to are the ones the platforms built for it: UITabBarController in .tabSidebar mode, a NavigationView driving its own PaneDisplayMode, a Material navigation bar / rail / drawer. A toolkit that cannot draw a tab bar (Cap::NavTabs) degrades to Self::Sidebar rather than to a hole.

Tabs

Pinned: a tab bar at every size, however wide the window gets. Reach for it when the content is peer sections that should never become a sidebar.

Sidebar

Pinned: a NavigationSplitView, a sidebar list + a detail. Wide windows show both panes (on GTK an AdwNavigationSplitView); narrow ones collapse to a list that pushes the detail, which is the one shape Self::Automatic never produces on its own.

Trait Implementations

impl Clone for NavStyle

fn clone(&self) -> NavStyle

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for NavStyle

impl Debug for NavStyle

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for NavStyle

fn default() -> NavStyle

Returns the “default value” for a type.

impl Eq for NavStyle

impl PartialEq for NavStyle

fn eq(&self, other: &NavStyle) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for NavStyle