Struct FocusManager 

pub struct FocusManager { /* private fields */ }

Manages focus among a set of widgets.

Supports Tab / Shift-Tab navigation with wraparound.

Implementations

impl FocusManager

pub fn new() -> Self

Create a new focus manager with no widgets.

pub fn register(&mut self, id: WidgetId)

Register a widget as focusable. Order of registration determines tab order.

pub fn unregister(&mut self, id: WidgetId)

Unregister a widget.

pub fn focused(&self) -> Option<WidgetId>

Get the currently focused widget ID.

pub fn focus_state(&self, id: WidgetId) -> FocusState

Check if a specific widget has focus.

pub fn focus_next(&mut self)

Move focus to the next widget (Tab).

pub fn focus_previous(&mut self)

Move focus to the previous widget (Shift-Tab).

pub fn set_focus(&mut self, id: WidgetId)

Set focus directly to a specific widget.

pub fn count(&self) -> usize

Get the number of registered focusable widgets.

Trait Implementations

impl Clone for FocusManager

fn clone(&self) -> FocusManager

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for FocusManager

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

Formats the value using the given formatter.

impl Default for FocusManager

fn default() -> Self

Returns the “default value” for a type.