etui, TUI library for Gleam.

Correct Unicode, minimal diff, no terminal left broken.

Quick start

import etui/app
import etui/backend
import etui/backend/default
import etui/buffer
import etui/geometry.{rect_new}

pub fn main() {
  let _ = app.run_buffered(
    default.new(),
    Nil,
    fn(_state, screen) { buffer.buffer_new(screen) },
    fn(ev, state) { case ev { backend.KeyPress("q") -> state _ -> state } },
    fn(_) { False },
    16,
  )
}

Module map

Widgets

All stateless unless noted; stateful widgets store state externally.