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Textarea

Struct Textarea 

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pub struct Textarea<'a, Message> { /* private fields */ }
Available on crate feature textarea only.
Expand description

A textarea builder. Convert it into an Element to render.

A textarea without an on_action message is rendered disabled.

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impl<'a, Message> Textarea<'a, Message>

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pub fn placeholder(self, placeholder: impl IntoFragment<'a>) -> Self

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pub fn id(self, id: impl Into<Id>) -> Self

Sets the widget id, used to focus the textarea or find it in tests.

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pub fn on_action(self, on_action: impl Fn(Action) -> Message + 'a) -> Self

Sets the message produced for every edit. Without it the textarea is disabled.

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pub fn on_action_maybe( self, on_action: Option<impl Fn(Action) -> Message + 'a>, ) -> Self

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pub fn invalid(self, invalid: bool) -> Self

Marks the value as invalid, drawing a destructive border.

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pub fn width(self, width: impl Into<Length>) -> Self

Overrides the width. Textareas fill the available width by default.

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pub fn height(self, height: impl Into<Length>) -> Self

Sets the height. The default shrinks to the content and grows as lines are added, starting at MIN_HEIGHT.

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pub fn min_height(self, min_height: f32) -> Self

Sets the minimum height used while the height is Length::Shrink.

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pub fn is_enabled(&self) -> bool

Trait Implementations§

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impl<Message> Debug for Textarea<'_, Message>

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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<'a, Message: Clone + 'a> From<Textarea<'a, Message>> for Element<'a, Message>

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fn from(textarea: Textarea<'a, Message>) -> Self

Converts to this type from the input type.

Auto Trait Implementations§

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impl<'a, Message> !RefUnwindSafe for Textarea<'a, Message>

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impl<'a, Message> !Send for Textarea<'a, Message>

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impl<'a, Message> !Sync for Textarea<'a, Message>

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impl<'a, Message> !UnwindSafe for Textarea<'a, Message>

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impl<'a, Message> Freeze for Textarea<'a, Message>
where Option<Box<dyn Fn(Action) -> Message + 'a>>: Freeze,

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impl<'a, Message> Unpin for Textarea<'a, Message>
where Option<Box<dyn Fn(Action) -> Message + 'a>>: Unpin,

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impl<'a, Message> UnsafeUnpin for Textarea<'a, Message>
where Option<Box<dyn Fn(Action) -> Message + 'a>>: UnsafeUnpin,

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<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
where ST: ?Sized, DT: ?Sized,

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impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
where ST: ?Sized, DT: ?Sized,

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

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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.
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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.
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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.
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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.
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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> Instrument for T

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

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self> ⓘ

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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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<State, Message> IntoBoot<State, Message> for State

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fn into_boot(self) -> (State, Task<Message>)

Turns some type into the initial state of some Application.
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impl<T> MaybeClone for T

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impl<T> MaybeDebug for T

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impl<T> Read<Exclusive, BecauseExclusive> for T
where T: ?Sized,

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

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type Error = !

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

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.
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impl<T> WithSubscriber for T

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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
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fn with_current_subscriber(self) -> WithDispatch<Self> ⓘ

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