⚠️ VeridianOS Kernel Documentation - This is low-level kernel code. All functions are unsafe unless explicitly marked otherwise. no_std

A11yTree

Struct A11yTree 

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pub struct A11yTree { /* private fields */ }
Expand description

The complete accessibility tree for the desktop.

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impl A11yTree

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pub fn new() -> Self

Create a new empty tree.

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pub fn add_node(&mut self, node: A11yNode) -> A11yNodeId

Add a node and return its ID.

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pub fn find_by_id(&self, id: A11yNodeId) -> Option<&A11yNode>

Find a node by ID.

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pub fn find_by_id_mut(&mut self, id: A11yNodeId) -> Option<&mut A11yNode>

Find a mutable node by ID.

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pub fn focused_node(&self) -> Option<&A11yNode>

Get the currently focused node.

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pub fn set_focus(&mut self, id: A11yNodeId) -> bool

Set focus to a specific node.

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pub fn next_focusable(&mut self) -> Option<A11yNodeId>

Move focus to the next focusable node.

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pub fn prev_focusable(&mut self) -> Option<A11yNodeId>

Move focus to the previous focusable node.

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pub fn node_count(&self) -> usize

Number of nodes in the tree.

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pub fn build_from_windows(windows: &[(&str, i32, i32, u32, u32)]) -> Self

Build a tree from a list of window descriptions.

Trait Implementations§

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impl Debug for A11yTree

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

Formats the value using the given formatter. Read more
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impl Default for A11yTree

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fn default() -> Self

Returns the “default value” for a type. Read more

Auto Trait Implementations§

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impl Freeze for A11yTree

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impl RefUnwindSafe for A11yTree

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impl Send for A11yTree

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impl Sync for A11yTree

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impl Unpin for A11yTree

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impl UnwindSafe for A11yTree

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of [From]<T> for U chooses to do.

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.