zng_view_api::access

Struct AccessNode

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pub struct AccessNode {
    pub id: AccessNodeId,
    pub role: Option<AccessRole>,
    pub commands: Vec<AccessCmdName>,
    pub state: Vec<AccessState>,
    pub transform: PxTransform,
    pub size: PxSize,
    pub children: Vec<AccessNodeId>,
    pub children_len: u32,
    pub descendants_len: u32,
}
Expand description

Represents a widget in the access info tree.

Fields§

§id: AccessNodeId

Widget ID.

§role: Option<AccessRole>

Accessibility role.

§commands: Vec<AccessCmdName>

Commands the widget supports.

§state: Vec<AccessState>

Accessibility state.

§transform: PxTransform

Widget transform (in the parent space).

§size: PxSize

Widget bounds size (in the transform space).

§children: Vec<AccessNodeId>

Children, including nodes that are not present in the tree because they did not change since last update.

Can be empty if all children are present in the tree. If not empty it must contain all children, omitted and present, in the logical order.

See AccessTreeBuilder::push for more details.

§children_len: u32

Number of children nodes actually present in the tree.

See AccessTreeBuilder::push for more details.

§descendants_len: u32

Number of descendant nodes actually present in the tree.

See AccessTreeBuilder::push for more details.

Implementations§

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impl AccessNode

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pub fn new(id: AccessNodeId, role: Option<AccessRole>) -> Self

New leaf node.

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pub fn children_count(&self) -> usize

Total count of children.

Trait Implementations§

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impl Clone for AccessNode

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fn clone(&self) -> AccessNode

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for AccessNode

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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<'de> Deserialize<'de> for AccessNode

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl Serialize for AccessNode

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more

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

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
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Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more
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Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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const ALIGN: usize = _

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Performs the conversion.
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type Error = <U as TryFrom<T>>::Error

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Performs the conversion.
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