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Layers

Struct Layers 

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

A container that renders children in overlapping layers

Children are rendered in order, with later children appearing on top of earlier ones. This is useful for:

  • Modal dialogs
  • Tooltips
  • Gantt chart overlays
  • Any UI where elements need to overlap

§Example

use revue::prelude::*;

let layered = Layers::new()
    .child(background_grid())  // Bottom layer
    .child(gantt_bars())       // Middle layer
    .child(tooltip());         // Top layer

Implementations§

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impl Layers

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pub fn new() -> Self

Create a new empty layer container

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pub fn child<V: View + 'static>(self, child: V) -> Self

Add a child to the layer stack

Children added later will render on top of earlier children.

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pub fn children<I, V>(self, children: I) -> Self
where I: IntoIterator<Item = V>, V: View + 'static,

Add multiple children at once

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pub fn len(&self) -> usize

Get the number of layers

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pub fn is_empty(&self) -> bool

Check if empty

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impl Layers

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

Set element ID for CSS selector (#id)

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pub fn class(self, class: impl Into<String>) -> Self

Add a CSS class

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pub fn classes<I, S>(self, classes: I) -> Self
where I: IntoIterator<Item = S>, S: Into<String>,

Add multiple CSS classes

Trait Implementations§

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impl Default for Layers

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fn default() -> Self

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

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fn set_id(&mut self, id: impl Into<String>)

Set element ID
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fn add_class(&mut self, class: impl Into<String>)

Add a CSS class
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fn remove_class(&mut self, class: &str)

Remove a CSS class
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fn toggle_class(&mut self, class: &str)

Toggle a CSS class
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fn has_class(&self, class: &str) -> bool

Check if has class
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impl View for Layers

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fn id(&self) -> Option<&str>

Get element ID (for CSS #id selectors)
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fn classes(&self) -> &[String]

Get CSS classes (for CSS .class selectors)
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fn meta(&self) -> WidgetMeta

Get widget metadata for DOM
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fn render(&self, ctx: &mut RenderContext<'_>)

Render the view
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fn children(&self) -> &[Box<dyn View>]

Get child views (for container widgets) Read more
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fn widget_type(&self) -> &'static str

Get widget type name (for CSS type selectors)

Auto Trait Implementations§

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impl Freeze for Layers

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impl !RefUnwindSafe for Layers

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impl !Send for Layers

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impl !Sync for Layers

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impl Unpin for Layers

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impl !UnwindSafe for Layers

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> 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<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.