Enum Kind 

pub enum Kind {
    Group,
    Card,
    Button,
    Badge,
    Text,
    Heading,
    Spacer,
    Divider,
    Overlay,
    Scrim,
    Modal,
    Scroll,
    VirtualList,
    Inlines,
    HardBreak,
    Math,
    Image,
    Surface,
    Vector,
    Custom(&'static str),
}

Semantic identity of an element. Roughly an HTML tag.

Variants

Group

A bare layout container with no inherent visuals.

Card

Button

Badge

Text

Heading

Spacer

Divider

Overlay

Scrim

Modal

Scroll

A vertically scrollable region.

VirtualList

Vertically scrollable region whose children are produced lazily.

Inlines

Block whose direct children flow inline.

HardBreak

Forced line break inside a Kind::Inlines block.

Math

Native mathematical notation. Carries a crate::math::MathExpr and renders through Aetna’s math box layout.

Image

Raster image element.

Surface

App-owned GPU texture composited into the paint stream. Backed by crate::surface::AppTexture and the crate::tree::surface builder; the backend samples the texture during paint instead of uploading pixels.

The texture stretches across the resolved rect with bilinear filtering — source pixel dimensions and rendered size are independent. See crate::tree::surface for the full sizing / aspect-ratio contract.

Vector

App-supplied vector asset. Backed by crate::vector::VectorAsset and the crate::tree::vector builder; callers explicitly choose painted vector rendering or one-colour mask rendering. Unlike Kind::Image (icon-styled, square-shaped), this is the general-purpose path for arbitrary- aspect vector content — commit-graph curves, Gantt connectors, custom chart marks.

Custom(&'static str)

Escape hatch for app-defined components.

Trait Implementations

impl Clone for Kind

fn clone(&self) -> Kind

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Kind

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

Formats the value using the given formatter.

impl PartialEq for Kind

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Eq for Kind

impl StructuralPartialEq for Kind