Tyler King
da7b4c5658
Bridge between Dioxus Core (reactive components) and Ratatui (terminal rendering). Architecture: retained TuiNode tree + immediate Ratatui render Dioxus VirtualDom → WriteMutations → TuiTree → Frame → Terminal Modules: tree.rs — retained node tree (Element, Text, Placeholder) renderer.rs — WriteMutations impl (14 methods) layout.rs — Dioxus attrs → Ratatui Constraint/Direction style.rs — attrs → Ratatui Style (colors, bold, italic) events.rs — crossterm quit detection render.rs — tree walker → Ratatui widget rendering lib.rs — launch() + event loop + terminal lifecycle Elements: div, p, span, h1-h3, hr Layout: vertical/horizontal split, percentage/length/fill constraints Styling: named colors, hex, bold, italic, underline, dim Events: keyboard quit (Ctrl+C, q) 453 lines. Zero governance/substrate dependencies. Apache 2.0 — pure community crate. Signed-off-by: Tyler King <tking@guildhouse.dev>
40 lines
1.5 KiB
Rust
40 lines
1.5 KiB
Rust
//! Map Dioxus layout attributes to Ratatui Layout/Constraint.
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use ratatui::layout::{Constraint, Direction, Layout, Rect};
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use std::collections::HashMap;
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pub fn direction_from_attrs(attrs: &HashMap<String, String>) -> Direction {
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match attrs.get("flex_direction").or(attrs.get("direction")).map(|s| s.as_str()) {
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Some("row") | Some("horizontal") => Direction::Horizontal,
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_ => Direction::Vertical,
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}
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}
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pub fn constraint_from_attrs(attrs: &HashMap<String, String>, direction: Direction) -> Constraint {
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let size_attr = match direction {
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Direction::Vertical => attrs.get("height"),
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Direction::Horizontal => attrs.get("width"),
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};
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if let Some(size) = size_attr {
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return parse_constraint(size);
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}
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if let Some(flex) = attrs.get("flex") {
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if let Ok(r) = flex.parse::<u16>() { return Constraint::Fill(r); }
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}
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Constraint::Fill(1)
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}
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fn parse_constraint(s: &str) -> Constraint {
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let s = s.trim();
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if s.ends_with('%') {
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if let Ok(p) = s.trim_end_matches('%').parse::<u16>() { return Constraint::Percentage(p); }
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}
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let numeric = s.trim_end_matches(|c: char| c.is_alphabetic());
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if let Ok(n) = numeric.parse::<u16>() { return Constraint::Length(n); }
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Constraint::Fill(1)
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}
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pub fn split_area(area: Rect, direction: Direction, constraints: &[Constraint]) -> Vec<Rect> {
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if constraints.is_empty() { return vec![area]; }
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Layout::default().direction(direction).constraints(constraints).split(area).to_vec()
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}
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