Trait LayoutView 

pub trait LayoutView: Send {
    // Required methods
    fn size_that_fits(
        &self,
        proposal: SizeProposal,
        subviews: &[&dyn LayoutView],
        cache: &mut LayoutCache,
    ) -> Size;
    fn place_subviews(
        &self,
        bounds: Rect,
        subviews: &mut [&mut dyn LayoutView],
        cache: &mut LayoutCache,
    );

    // Provided methods
    fn flex_weight(&self) -> f32 { ... }
    fn debug_layout(&self, indent: usize) -> String { ... }
}

A view that can participate in layout

Required Methods

fn size_that_fits( &self, proposal: SizeProposal, subviews: &[&dyn LayoutView], cache: &mut LayoutCache, ) -> Size

Propose a size for this view given the available space

fn place_subviews( &self, bounds: Rect, subviews: &mut [&mut dyn LayoutView], cache: &mut LayoutCache, )

Place subviews within the given bounds

Provided Methods

fn flex_weight(&self) -> f32

Returns the flex weight of this view (default is 0.0, which means fixed/intrinsic)

fn debug_layout(&self, indent: usize) -> String

Return a debug representation of this layout subtree. The indent parameter controls the indentation level for nested display.

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors