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Spacer

Struct Spacer 

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

A flexible space that expands to push views apart.

Spacer adapts to its parent container: in HStack it expands horizontally, in VStack it expands vertically. Use it to push views to opposite edges or distribute space evenly.

§Layout Behavior

  • In HStack: Expands horizontally only
  • In VStack: Expands vertically only
  • In ZStack: No expansion (falls back to minimum length)

§Examples

use waterui::layout::spacer::spacer_min;
use waterui::prelude::*;

// Push button to trailing edge
hstack((
    text("Title"),
    spacer(),
    button("Done").action(|| {}),
));

// Center content with equal spacing
hstack((spacer(), text("Centered"), spacer()));

// Spacer with minimum length (never shrinks below 20pt)
spacer_min(20.0);

Implementations§

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impl Spacer

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pub const fn new(min_length: f32) -> Self

Creates a new spacer with the specified minimum length.

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pub const fn flexible() -> Self

Creates a spacer with zero minimum length.

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impl Clone for Spacer

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fn clone(&self) -> Spacer

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

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

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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 From<Spacer> for SpacerLayout

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fn from(spacer: Spacer) -> Self

Converts to this type from the input type.
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impl NativeView for Spacer

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fn stretch_axis(&self) -> StretchAxis

Which axis (or axes) this view stretches to fill available space.
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impl PartialEq for Spacer

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

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more
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impl StructuralPartialEq for Spacer

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impl View for Spacer

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fn body(self, _env: &Environment) -> impl View

Build this view and return the content. Read more

Auto Trait Implementations§

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> IdentifiableExt for T

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fn use_id<F, Id>(self, f: F) -> UseId<Self, F>
where F: Fn(&Self) -> Id, Id: Ord + Hash,

Wraps the value in a UseId with the provided identification function.
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fn self_id(self) -> SelfId<Self>

Wraps the value in a SelfId, making the value serve as its own identifier.
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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<V> IntoView for V
where V: View,

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type Output = V

The resulting View type after conversion.
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fn into_view(self, _env: &Environment) -> <V as IntoView>::Output

Converts the implementing type into a View. Read more
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impl<V> PositionExt for V
where V: View,

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fn position( self, x: impl IntoSignalF32, y: impl IntoSignalF32, ) -> PositionedChild<Self>

Position view’s center at absolute (x, y) coordinates. Read more
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fn position_anchor( self, anchor: UnitPoint, x: impl IntoSignalF32, y: impl IntoSignalF32, ) -> PositionedChild<Self>

Position view’s anchor point at absolute coordinates. Read more
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fn position_in(self, position: UnitPoint) -> PositionedChild<Self>

Position view’s center at fractional location in parent. Read more
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fn position_in_anchor( self, anchor: UnitPoint, position: UnitPoint, ) -> PositionedChild<Self>

Position view’s anchor at fractional location in parent. Read more
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fn position_in_offset( self, anchor: UnitPoint, position: UnitPoint, offset_x: impl IntoSignalF32, offset_y: impl IntoSignalF32, ) -> PositionedChild<Self>

Position with fractional location plus offset. Read more
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fn pin(self, constraints: PinConstraints) -> PositionedChild<Self>

Position using edge pins and optional explicit size. Read more
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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, 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.