Struct CodeBlock 

pub struct CodeBlock<'a> { /* private fields */ }

A themed, syntax-highlighted code block — a language label, a left rail, a code background, and verbatim (never-reflowed) body lines.

Colors come entirely from Theme::code; token classes are resolved by whatever Highlighter you plug in (none → plain, theme-colored text).

Options

Builder	Default	Effect
new(lang, source)	—	language tag + source (split on \n)
highlighter(&h)	plain	plug in syntax highlighting
label(bool)	true	show/hide the language-label row
line_numbers(bool)	false	show a line-number gutter
start_line(n)	1	first gutter line number

use tuika::prelude::*;
let theme = Theme::default();
// No highlighter → plain, theme-colored code; hide the label row.
let block = CodeBlock::new("rust", "fn main() {}").label(false);
// `block` is a `View`; render it through `tuika::paint` or embed it in a
// `Flex`. Supply a highlighter with `.highlighter(&my_highlighter)` — see
// the `tuika-codeformatters` crate for a tree-sitter one.

Implementations

impl<'a> CodeBlock<'a>

pub fn new(lang: impl Into<String>, source: impl AsRef<str>) -> Self

A code block for source in language lang (e.g. "rust", "py", or "" for no language). source is split on newlines into body lines.

pub fn highlighter(self, highlighter: &'a dyn Highlighter) -> Self

Plug in a syntax highlighter; without one the body renders plain.

pub fn label(self, show: bool) -> Self

Whether to show the language-label row (default true).

pub fn line_numbers(self, show: bool) -> Self

Show (or hide) a right-aligned line-number gutter before the rail. The gutter counts from start_line (default 1).

pub fn start_line(self, first: usize) -> Self

Set the first gutter line number, implying line_numbers(true). Useful when a block is a slice of a larger file.

Trait Implementations

impl View for CodeBlock<'_>

fn measure(&self, available: Size) -> Size

Report the intrinsic content size wanted given available.

fn render(&self, area: Rect, surface: &mut Surface<'_>, ctx: &RenderCtx<'_>)

Paint the view into the assigned area through surface.