Struct cushy :: value :: Watcher Copy item path

impl Watcher

pub fn notify(&self)

Notifies any observers of this watcher and invokes all associated callbacks.

pub fn watch<T>(&self, other: &impl Source<T>)
where T: Send + 'static,

Ensures all callbacks attached to this watcher are invoked when other is changed.

pub fn map_changed<F, T>(&self, when_changed: F) -> Dynamic<T>
where F: FnMut() -> T + Send + 'static, T: PartialEq + Send + 'static,

Returns a new dynamic populated by invoking when_changed each time any watched source is updated.

pub fn when_changed<F>(&self, when_changed: F) -> CallbackHandle
where F: FnMut() + Send + 'static,

Invokes when_changed each time any watched source is updated.

Trait Implementations§

impl Clone for Watcher

fn clone(&self) -> Watcher

Returns a copy of the value. Read more

1.0.0 · source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

impl Debug for Watcher

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

Formats the value using the given formatter. Read more

impl Default for Watcher

fn default() -> Watcher

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

impl Source<usize> for Watcher

fn try_map_generational<R>( &self, map: impl FnOnce(DynamicGuard<'_, usize, true>) -> R, ) -> Result<R, DeadlockError>

Maps the contents with read-only access, providing access to the value’s Generation.

fn for_each_subsequent_generational_try<F>(&self, for_each: F) -> CallbackHandle
where F: for<'a> FnMut(DynamicGuard<'_, usize, true>) -> Result<(), CallbackDisconnected> + Send + 'static,

Attaches for_each to this value so that it is invoked each time the source’s contents are updated. Read more

fn for_each_generational_cloned_try<F>(&self, for_each: F) -> CallbackHandle
where F: FnMut(GenerationalValue<usize>) -> Result<(), CallbackDisconnected> + Send + 'static,

Invokes for_each with the current contents and each time this source’s contents are updated. Read more

fn map_generational<R>( &self, map: impl FnOnce(DynamicGuard<'_, T, true>) -> R, ) -> R

Maps the contents with read-only access, providing access to the value’s Generation. Read more

fn generation(&self) -> Generation

Returns the current generation of the value. Read more

fn map_ref<R>(&self, map: impl FnOnce(&T) -> R) -> R

Maps the contents with read-only access. Read more

fn get(&self) -> T
where T: Clone,

Returns a clone of the currently contained value. Read more

fn try_map_ref<R>(&self, map: impl FnOnce(&T) -> R) -> Result<R, DeadlockError>

Maps the contents with read-only access.

fn try_get(&self) -> Result<T, DeadlockError>
where T: Clone,

Returns a clone of the currently contained value.

fn get_tracking_redraw(&self, context: &WidgetContext<'_>) -> T
where T: Clone, Self: Trackable + Sized,

Returns a clone of the currently contained value. Read more

fn get_tracking_invalidate(&self, context: &WidgetContext<'_>) -> T
where T: Clone, Self: Trackable + Sized,

Returns a clone of the currently contained value. Read more

fn for_each_subsequent_generational<F>(&self, for_each: F) -> CallbackHandle
where T: Send + 'static, F: for<'a> FnMut(DynamicGuard<'_, T, true>) + Send + 'static,

Attaches for_each to this value so that it is invoked each time the source’s contents are updated. Read more

fn for_each_subsequent_try<F>(&self, for_each: F) -> CallbackHandle
where T: Send + 'static, F: for<'a> FnMut(&'a T) -> Result<(), CallbackDisconnected> + Send + 'static,

Attaches for_each to this value so that it is invoked each time the source’s contents are updated. Read more

fn for_each_subsequent<F>(&self, for_each: F) -> CallbackHandle
where T: Send + 'static, F: for<'a> FnMut(&'a T) + Send + 'static,

Attaches for_each to this value so that it is invoked each time the source’s contents are updated. Read more

fn for_each_generational_try<F>(&self, for_each: F) -> CallbackHandle
where T: Send + 'static, F: for<'a> FnMut(DynamicGuard<'_, T, true>) -> Result<(), CallbackDisconnected> + Send + 'static,

Invokes for_each with the current contents and each time this source’s contents are updated. Read more

fn for_each_generational<F>(&self, for_each: F) -> CallbackHandle
where T: Send + 'static, F: for<'a> FnMut(DynamicGuard<'_, T, true>) + Send + 'static,

Invokes for_each with the current contents and each time this source’s contents are updated.

fn for_each_try<F>(&self, for_each: F) -> CallbackHandle
where T: Send + 'static, F: for<'a> FnMut(&'a T) -> Result<(), CallbackDisconnected> + Send + 'static,

Invokes for_each with the current contents and each time this source’s contents are updated. Read more

fn for_each<F>(&self, for_each: F) -> CallbackHandle
where T: Send + 'static, F: for<'a> FnMut(&'a T) + Send + 'static,

Invokes for_each with the current contents and each time this source’s contents are updated.

fn for_each_cloned_try<F>(&self, for_each: F) -> CallbackHandle
where T: Clone + Send + 'static, F: FnMut(T) -> Result<(), CallbackDisconnected> + Send + 'static,

Invokes for_each with the current contents and each time this source’s contents are updated.

fn for_each_cloned<F>(&self, for_each: F) -> CallbackHandle
where T: Clone + Send + 'static, F: FnMut(T) + Send + 'static,

Invokes for_each with the current contents and each time this source’s contents are updated.

fn debounced_every(&self, period: Duration) -> Dynamic<T>
where T: PartialEq + Clone + Send + Sync + 'static,

Returns a new dynamic that contains the updated contents of this dynamic at most once every period.

fn debounced_with_delay(&self, period: Duration) -> Dynamic<T>
where T: PartialEq + Clone + Send + Sync + 'static,

Returns a new dynamic that contains the updated contents of this dynamic delayed by period. Each time this value is updated, the delay is reset.

fn map_each_generational<R, F>(&self, map: F) -> Dynamic<R>
where T: Send + 'static, F: for<'a> FnMut(DynamicGuard<'a, T, true>) -> R + Send + 'static, R: PartialEq + Send + 'static,

Creates a new dynamic value that contains the result of invoking map each time this value is changed.

fn map_each<R, F>(&self, map: F) -> Dynamic<R>
where T: Send + 'static, F: for<'a> FnMut(&'a T) -> R + Send + 'static, R: PartialEq + Send + 'static,

Creates a new dynamic value that contains the result of invoking map each time this value is changed.

fn map_each_cloned<R, F>(&self, map: F) -> Dynamic<R>
where T: Clone + Send + 'static, F: FnMut(T) -> R + Send + 'static, R: PartialEq + Send + 'static,

Creates a new dynamic value that contains the result of invoking map each time this value is changed.

fn weak_clone(&self) -> Dynamic<T>
where T: Clone + Send + 'static,

Returns a new Dynamic that contains a clone of each value from self. Read more

fn map_each_into(&self) -> Dynamic
where U: PartialEq + From<T> + Send + 'static, T: Clone + Send + 'static,

Returns a new dynamic that is updated using U::from(T.clone()) each time self is updated.

fn map_each_to(&self) -> Dynamic
where U: PartialEq + for<'a> From<&'a T> + Send + 'static, T: Clone + Send + 'static,

Returns a new dynamic that is updated using U::from(&T) each time self is updated.

Auto Trait Implementations§

impl !UnwindSafe for Watcher

Blanket Implementations§

impl<S, D, Swp, Dwp, T> AdaptInto<D, Swp, Dwp, T> for S
where T: Real + Zero + Arithmetics + Clone, Swp: WhitePoint<T>, Dwp: WhitePoint<T>, D: AdaptFrom<S, Swp, Dwp, T>,

fn adapt_into_using<M>(self, method: M) -> D
where M: TransformMatrix<T>,

Convert the source color to the destination color using the specified method.

fn adapt_into(self) -> D

Convert the source color to the destination color using the bradford method by default.

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T, C> ArraysFrom<C> for T
where C: IntoArrays<T>,

fn arrays_from(colors: C) -> T

Cast a collection of colors into a collection of arrays.

impl<T, C> ArraysInto<C> for T
where C: FromArrays<T>,

fn arrays_into(self) -> C

Cast this collection of arrays into a collection of colors.

impl<T> Borrow<T> for T
where T: ?Sized,

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more

impl<WpParam, T, U> Cam16IntoUnclamped<WpParam, T> for U
where T: FromCam16Unclamped<WpParam, U>,

type Scalar = <T as FromCam16Unclamped<WpParam, U>>::Scalar

The number type that’s used in parameters when converting.

fn cam16_into_unclamped( self, parameters: BakedParameters<WpParam, >::Scalar>, ) -> T

Converts self into C, using the provided parameters.

impl<A> Cast for A

fn cast<To>(self) -> To
where To: CastFrom<A>,

Casts self to the To type. This may be a lossy operation.

impl<A> CastFrom<A> for A

fn from_cast(from: A) -> A

Returns from as Self.

impl<A, B> CastInto<A> for B
where A: CastFrom,

fn cast_into(self) -> A

Returns self as To.

impl<T> CloneToUninit for T
where T: Clone,

unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dst. Read more

impl<T, C> ComponentsFrom<C> for T
where C: IntoComponents<T>,

fn components_from(colors: C) -> T

Cast a collection of colors into a collection of color components.

impl<T> Downcast<T> for T

fn downcast(&self) -> &T

impl<T> Downcast for T
where T: Any,

fn into_any(self: Box<T>) -> Box<dyn Any>

Convert Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>. Box<dyn Any> can then be further downcast into Box<ConcreteType> where ConcreteType implements Trait.

fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>

Convert Rc<Trait> (where Trait: Downcast) to Rc<Any>. Rc<Any> can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait.

fn as_any(&self) -> &(dyn Any + 'static)

Convert &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.

fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Convert &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s.

impl<T> DowncastSync for T
where T: Any + Send + Sync,

fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + Sync + Send>

Convert Arc<Trait> (where Trait: Downcast) to Arc<Any>. Arc<Any> can then be further downcast into Arc<ConcreteType> where ConcreteType implements Trait.

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T> FromAngle<T> for T

fn from_angle(angle: T) -> T

Performs a conversion from angle.

impl<T, U> FromStimulus for T
where U: IntoStimulus<T>,

fn from_stimulus(other: U) -> T

Converts other into Self, while performing the appropriate scaling, rounding and clamping.

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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

fn into(self) -> U

Calls U::from(self).

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

impl<T, U> IntoAngle for T
where U: FromAngle<T>,

fn into_angle(self) -> U

Performs a conversion into T.

impl<WpParam, T, U> IntoCam16Unclamped<WpParam, T> for U
where T: Cam16FromUnclamped<WpParam, U>,

type Scalar = <T as Cam16FromUnclamped<WpParam, U>>::Scalar

The number type that’s used in parameters when converting.

fn into_cam16_unclamped( self, parameters: BakedParameters<WpParam, >::Scalar>, ) -> T

Converts self into C, using the provided parameters.

impl<T, U> IntoColor for T
where U: FromColor<T>,

fn into_color(self) -> U

Convert into T with values clamped to the color defined bounds Read more

impl<T, U> IntoColorUnclamped for T
where U: FromColorUnclamped<T>,

fn into_color_unclamped(self) -> U

Convert into T. The resulting color might be invalid in its color space Read more

impl<T> IntoEither for T

fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

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

impl<T> IntoReadOnly<T> for T

fn into_read_only(self) -> ReadOnly<T>

Returns self as a ReadOnly.

impl<T> IntoStimulus<T> for T

fn into_stimulus(self) -> T

Converts self into T, while performing the appropriate scaling, rounding and clamping.

impl<T> IntoValue<Option<T>> for T

fn into_value(self) -> Value<Option<T>>

Returns this type as a Value.

impl<T> IntoValue<T> for T

fn into_value(self) -> Value<T>

Returns this type as a Value.

impl<T> NoneValue for T
where T: Default,

type NoneType = T

fn null_value() -> T

The none-equivalent value.

impl<T> Pointable for T

const ALIGN: usize = _

The alignment of pointer.

type Init = T

The type for initializers.

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

impl<R, P> ReadPrimitive<R> for P
where R: Read + ReadEndian, P: Default,

fn read_from_little_endian(read: &mut R) -> Result<Self, Error>

Read this value from the supplied reader. Same as ReadEndian::read_from_little_endian().

fn read_from_big_endian(read: &mut R) -> Result<Self, Error>

Read this value from the supplied reader. Same as ReadEndian::read_from_big_endian().

fn read_from_native_endian(read: &mut R) -> Result<Self, Error>

Read this value from the supplied reader. Same as ReadEndian::read_from_native_endian().

impl<T> ToOwned for T
where T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<T> Trackable for T
where T: Trackable,

fn redraw_when_changed(&self, context: &WidgetContext<'_>)
where Self: Sized,

Marks the widget for redraw when this value is updated. Read more

fn invalidate_when_changed(&self, context: &WidgetContext<'_>)
where Self: Sized,

Marks the widget for redraw when this value is updated. Read more

impl<T, C> TryComponentsInto<C> for T
where C: TryFromComponents<T>,

type Error = <C as TryFromComponents<T>>::Error

The error for when try_into_colors fails to cast.

fn try_components_into(self) -> Result<C, <T as TryComponentsInto<C>>::Error>

Try to cast this collection of color components into a collection of colors. Read more

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

type Error = Infallible

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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

type Error = >::Error

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

impl<T, U> TryIntoColor for T
where U: TryFromColor<T>,

fn try_into_color(self) -> Result<U, OutOfBounds>

Convert into T, returning ok if the color is inside of its defined range, otherwise an OutOfBounds error is returned which contains the unclamped color. Read more

impl<C, U> UintsFrom<C> for U
where C: IntoUints,

fn uints_from(colors: C) -> U

Cast a collection of colors into a collection of unsigned integers.

impl<C, U> UintsInto<C> for U
where C: FromUints,

fn uints_into(self) -> C

Cast this collection of unsigned integers into a collection of colors.

impl<T> Upcast<T> for T

fn upcast(&self) -> Option<&T>

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

fn vzip(self) -> V

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a [WithDispatch] wrapper. Read more

fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a [WithDispatch] wrapper. Read more

impl<T> ErasedDestructor for T
where T: 'static,

impl<T> MaybeSendSync for T

impl<T> WasmNotSend for T
where T: Send,

impl<T> WasmNotSendSync for T
where T: WasmNotSend + WasmNotSync,