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Element

Struct Element 

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

A live element with lazy navigation via a provider reference.

Element dereferences to ElementData, so all properties (role, name, value, states, etc.) are accessible via field access. Navigation methods (parent(), children()) call the provider on demand.

Elements are cheap to clone (they share the provider via Arc).

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impl Element

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pub fn new(data: ElementData, provider: Arc<dyn Provider>) -> Self

Create an Element from raw data and a provider reference.

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pub fn data(&self) -> &ElementData

Get the underlying ElementData.

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pub fn provider(&self) -> &Arc<dyn Provider>

Get the provider reference.

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pub fn children(&self) -> Result<Vec<Element>>

Get direct children of this element.

Each call queries the provider — results are not cached.

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pub fn parent(&self) -> Result<Option<Element>>

Get the parent element, if any (root-level elements have no parent).

Each call queries the provider — results are not cached.

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pub fn pid(&self) -> Option<u32>

Get the process ID from the element data.

Trait Implementations§

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impl Clone for Element

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fn clone(&self) -> Element

Returns a duplicate 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 Element

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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 Deref for Element

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type Target = ElementData

The resulting type after dereferencing.
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fn deref(&self) -> &ElementData

Dereferences the value.
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impl Display for Element

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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 Serialize for Element

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fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error>

Serialize this value into the given Serde serializer. Read more

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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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. 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<P, T> Receiver for P
where P: Deref<Target = T> + ?Sized, T: ?Sized,

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type Target = T

🔬This is a nightly-only experimental API. (arbitrary_self_types)
The target type on which the method may be called.
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T> ToString for T
where T: Display + ?Sized,

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fn to_string(&self) -> String

Converts the given value to a String. Read more
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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.