Struct AccessibilityTree 

pub struct AccessibilityTree { /* private fields */ }

Accessibility tree for hit testing and navigation.

Implementations

impl AccessibilityTree

pub fn new() -> Self

Create a new empty accessibility tree.

pub fn next_id(&mut self) -> AccessibleNodeId

Generate a new unique node ID.

pub fn set_root(&mut self, id: AccessibleNodeId)

Set the root node.

pub fn root(&self) -> Option<&AccessibleNode>

Get the root node.

pub fn get(&self, id: AccessibleNodeId) -> Option<&AccessibleNode>

Get a node by ID.

pub fn get_mut(&mut self, id: AccessibleNodeId) -> Option<&mut AccessibleNode>

Get a mutable node by ID.

pub fn insert(&mut self, node: AccessibleNode)

Insert a node into the tree.

pub fn remove(&mut self, id: AccessibleNodeId) -> Option<AccessibleNode>

Remove a node from the tree.

pub fn len(&self) -> usize

Get the number of nodes in the tree.

pub fn is_empty(&self) -> bool

Check if the tree is empty.

pub fn clear(&mut self)

Clear all nodes from the tree.

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

Get the currently focused node.

pub fn focused_id(&self) -> Option<AccessibleNodeId>

Get the currently focused node ID.

pub fn set_focus(&mut self, id: AccessibleNodeId) -> bool

Set focus to a node.

pub fn clear_focus(&mut self)

Clear focus.

pub fn focus_next(&mut self) -> Option<AccessibleNodeId>

Move focus to the next focusable element.

pub fn focus_previous(&mut self) -> Option<AccessibleNodeId>

Move focus to the previous focusable element.

pub fn get_focus_order(&mut self) -> &[AccessibleNodeId]

Get the focus order.

Trait Implementations

impl Debug for AccessibilityTree

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

Formats the value using the given formatter.

impl Default for AccessibilityTree

fn default() -> AccessibilityTree

Returns the “default value” for a type.