Struct BackgroundLayout 

pub struct BackgroundLayout;

Layout used by BackgroundView to render a background behind content.

The content child determines the size, the background fills the bounds. Children order: [background, content]

Trait Implementations

impl Clone for BackgroundLayout

fn clone(&self) -> BackgroundLayout

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for BackgroundLayout

impl Debug for BackgroundLayout

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

Formats the value using the given formatter.

impl Default for BackgroundLayout

fn default() -> BackgroundLayout

Returns the “default value” for a type.

impl Layout for BackgroundLayout

fn stretch_axis(&self, children: &[StretchAxis]) -> StretchAxis

A background is transparent to its content: children[1]. Answering from the child rather than from a copy taken at build time keeps the two from disagreeing.

fn size_that_fits( &self, proposal: ProposalSize, children: &[&dyn SubView], ) -> Size

Calculate the size this layout wants given a proposal.

fn place(&self, bounds: Rect, children: &[&dyn SubView]) -> Vec<Rect>

Place children within the given bounds.

fn explicit_horizontal( &self, alignment: HorizontalAlignment, _bounds: Rect, children: &[PlacedSubview<'_>], ) -> Option<f32>

Returns an explicit horizontal guide for this container, if any.

fn explicit_vertical( &self, alignment: VerticalAlignment, _bounds: Rect, children: &[PlacedSubview<'_>], ) -> Option<f32>

Returns an explicit vertical guide for this container, if any.

fn explicit_horizontal_alignments(&self) -> Vec<HorizontalAlignment>

Returns the horizontal alignments this container may expose explicitly.

fn explicit_vertical_alignments(&self) -> Vec<VerticalAlignment>

Returns the vertical alignments this container may expose explicitly.