Struct ScreenState 

pub struct ScreenState { /* private fields */ }

Navigation stack state for multi-screen apps.

Tracks screen names in a push/pop stack while preserving the root screen. Pass this state through your render closure and branch on ScreenState::current.

Implementations

impl ScreenState

pub fn new(initial: impl Into<String>) -> Self

Create a screen stack with an initial root screen.

pub fn current(&self) -> &str

Return the current screen name (top of the stack).

pub fn push(&mut self, name: impl Into<String>)

Push a new screen onto the stack.

pub fn pop(&mut self)

Pop the current screen, preserving the root screen.

pub fn depth(&self) -> usize

Return current stack depth.

pub fn can_pop(&self) -> bool

Return true if popping is allowed.

pub fn reset(&mut self)

Reset to only the root screen.

Trait Implementations

impl Clone for ScreenState

fn clone(&self) -> ScreenState

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ScreenState

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

Formats the value using the given formatter.