DefaultLayoutPolicy

tessera_ui::layout

Struct DefaultLayoutPolicy 

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pub struct DefaultLayoutPolicy;
Expand description

Default layout policy that stacks children at (0,0) and uses the bounding size.

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impl Clone for DefaultLayoutPolicy

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fn clone(&self) -> DefaultLayoutPolicy

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 Default for DefaultLayoutPolicy

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fn default() -> DefaultLayoutPolicy

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

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl LayoutPolicy for DefaultLayoutPolicy

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fn measure( &self, input: &LayoutInput<'_>, output: &mut LayoutOutput<'_>, ) -> Result<ComputedData, MeasurementError>

Computes layout for the current node.
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fn measure_eq(&self, other: &Self) -> bool

Compares measurement-relevant state for layout dirty tracking.
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fn placement_eq(&self, other: &Self) -> bool

Compares placement-relevant state for layout dirty tracking.
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fn place_children( &self, _input: &PlacementInput<'_>, _output: &mut LayoutOutput<'_>, ) -> bool

Recomputes child placements using cached child measurements. Read more
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impl PartialEq for DefaultLayoutPolicy

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fn eq(&self, other: &DefaultLayoutPolicy) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Copy for DefaultLayoutPolicy

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impl Eq for DefaultLayoutPolicy

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impl StructuralPartialEq for DefaultLayoutPolicy

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

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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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fn downcast(&self) -> &T

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impl<T> Downcast for T
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Convert &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.
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Convert &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s.
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Converts Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>, which can then be downcast into Box<dyn ConcreteType> where ConcreteType implements Trait.
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fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>

Converts Rc<Trait> (where Trait: Downcast) to Rc<Any>, which can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait.
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fn as_any(&self) -> &(dyn Any + 'static)

Converts &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.
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Converts &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s.
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Convert Arc<Trait> (where Trait: Downcast) to Arc<Any>. Arc<Any> can then be further downcast into Arc<ConcreteType> where ConcreteType implements Trait.
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Converts Arc<Trait> (where Trait: DowncastSync) to Arc<Any>, which can then be downcast into Arc<ConcreteType> where ConcreteType implements Trait.
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Compare self to key and return true if they are equal.
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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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fn equivalent(&self, key: &K) -> bool

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