yoi/crates/tui/src/main.rs

312 lines
8.6 KiB
Rust

mod app;
mod block;
mod cache;
mod client;
mod input;
mod scroll;
mod tool;
mod ui;
use std::io;
use std::path::PathBuf;
use crossterm::event::{
self, DisableBracketedPaste, EnableBracketedPaste, Event as TermEvent, KeyCode, KeyEvent,
KeyModifiers,
};
use crossterm::execute;
use crossterm::terminal::{
EnterAlternateScreen, LeaveAlternateScreen, disable_raw_mode, enable_raw_mode,
};
use protocol::Method;
use ratatui::Terminal;
use ratatui::backend::CrosstermBackend;
use crate::app::App;
use crate::client::PodClient;
fn resolve_socket(pod_name: &str, override_path: Option<PathBuf>) -> PathBuf {
if let Some(p) = override_path {
return p;
}
if let Ok(rd) = std::env::var("XDG_RUNTIME_DIR") {
PathBuf::from(rd)
.join("insomnia")
.join(pod_name)
.join("sock")
} else if let Ok(home) = std::env::var("HOME") {
PathBuf::from(home)
.join(".insomnia")
.join("run")
.join(pod_name)
.join("sock")
} else {
PathBuf::from("/tmp")
.join("insomnia")
.join(pod_name)
.join("sock")
}
}
fn parse_args() -> (String, Option<PathBuf>) {
let args: Vec<String> = std::env::args().collect();
if args.len() < 2 {
eprintln!("usage: tui <pod_name> [--socket <path>]");
std::process::exit(1);
}
let pod_name = args[1].clone();
let socket = args
.windows(2)
.find(|w| w[0] == "--socket")
.map(|w| PathBuf::from(&w[1]));
(pod_name, socket)
}
#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
let (pod_name, socket_override) = parse_args();
let socket_path = resolve_socket(&pod_name, socket_override);
enable_raw_mode()?;
let mut stdout = io::stdout();
execute!(stdout, EnterAlternateScreen, EnableBracketedPaste)?;
let backend = CrosstermBackend::new(stdout);
let mut terminal = Terminal::new(backend)?;
let result = run(&mut terminal, pod_name, &socket_path).await;
// Always restore the terminal, even on error.
let _ = execute!(
terminal.backend_mut(),
DisableBracketedPaste,
LeaveAlternateScreen
);
let _ = disable_raw_mode();
terminal.show_cursor().ok();
result
}
async fn run(
terminal: &mut Terminal<CrosstermBackend<io::Stdout>>,
pod_name: String,
socket_path: &std::path::Path,
) -> Result<(), Box<dyn std::error::Error>> {
let mut app = App::new(pod_name);
match PodClient::connect(socket_path).await {
Ok(mut client) => {
app.connected = true;
let _ = client.send(&Method::GetHistory).await;
run_loop(terminal, &mut app, client).await?;
}
Err(e) => {
app.push_error(format!("Failed to connect to {}: {e}", socket_path.display()));
terminal.draw(|f| ui::draw(f, &mut app))?;
run_disconnected(&mut app)?;
}
}
Ok(())
}
async fn run_loop(
terminal: &mut Terminal<CrosstermBackend<io::Stdout>>,
app: &mut App,
mut client: PodClient,
) -> Result<(), Box<dyn std::error::Error>> {
terminal.draw(|f| ui::draw(f, app))?;
loop {
if app.quit {
break;
}
tokio::select! {
_ = tokio::task::spawn_blocking(|| event::poll(std::time::Duration::from_millis(50))) => {
while event::poll(std::time::Duration::ZERO)? {
match event::read()? {
TermEvent::Key(key) => {
if let Some(method) = handle_key(app, key) {
client.send(&method).await?;
}
}
TermEvent::Paste(s) => {
app.insert_paste(s);
}
TermEvent::Resize(_, _) => {
// No-op: next draw repaints in full.
}
_ => {}
}
if app.quit {
break;
}
}
}
event = client.next_event(), if app.connected => {
match event {
Some(ev) => app.handle_pod_event(ev),
None => {
app.connected = false;
app.push_error("Connection lost");
}
}
}
}
terminal.draw(|f| ui::draw(f, app))?;
}
Ok(())
}
fn run_disconnected(_app: &mut App) -> Result<(), Box<dyn std::error::Error>> {
loop {
if event::poll(std::time::Duration::from_millis(100))?
&& let TermEvent::Key(key) = event::read()?
&& let KeyCode::Char('c') = key.code
&& key.modifiers.contains(KeyModifiers::CONTROL)
{
break;
}
}
Ok(())
}
fn handle_key(app: &mut App, key: KeyEvent) -> Option<Method> {
let ctrl = key.modifiers.contains(KeyModifiers::CONTROL);
let shift = key.modifiers.contains(KeyModifiers::SHIFT);
let alt = key.modifiers.contains(KeyModifiers::ALT);
// Scroll / navigation (history view).
match key.code {
KeyCode::Up if shift => {
app.scroll.scroll_up(1);
return None;
}
KeyCode::Down if shift => {
app.scroll.scroll_down(1);
return None;
}
KeyCode::PageUp => {
app.scroll.page_up();
return None;
}
KeyCode::PageDown => {
app.scroll.page_down();
return None;
}
KeyCode::Home if ctrl => {
app.scroll.to_top();
return None;
}
KeyCode::End if ctrl => {
app.scroll.to_bottom();
return None;
}
KeyCode::Char('[') if ctrl => {
app.scroll.jump_prev_turn();
return None;
}
KeyCode::Char(']') if ctrl => {
app.scroll.jump_next_turn();
return None;
}
KeyCode::Char('o') if ctrl => {
app.mode = app.mode.cycle();
return None;
}
_ => {}
}
match key.code {
KeyCode::Char('c') if ctrl => handle_pause_or_quit(app),
KeyCode::Char('x') if ctrl => {
if app.running {
Some(Method::Cancel)
} else {
app.push_error("Nothing to cancel (Pod is not running).");
None
}
}
KeyCode::Char('d') if ctrl => handle_shutdown(app),
KeyCode::Enter if alt => {
app.insert_newline();
None
}
KeyCode::Enter => app.submit_input(),
KeyCode::Backspace => {
app.delete_char_before();
None
}
KeyCode::Delete => {
app.delete_char_after();
None
}
KeyCode::Left => {
app.move_cursor_left();
None
}
KeyCode::Right => {
app.move_cursor_right();
None
}
KeyCode::Up => {
app.move_cursor_up();
None
}
KeyCode::Down => {
app.move_cursor_down();
None
}
KeyCode::Home => {
app.move_cursor_home();
None
}
KeyCode::End => {
app.move_cursor_end();
None
}
KeyCode::Char(c) => {
app.insert_char(c);
None
}
_ => None,
}
}
const CONFIRM_TIMEOUT: std::time::Duration = std::time::Duration::from_secs(3);
fn handle_shutdown(app: &mut App) -> Option<Method> {
if !app.running {
return Some(Method::Shutdown);
}
if let Some(t) = app.shutdown_confirm
&& t.elapsed() < CONFIRM_TIMEOUT
{
app.shutdown_confirm = None;
return Some(Method::Shutdown);
}
app.shutdown_confirm = Some(std::time::Instant::now());
app.push_error("Turn is running. Press Ctrl-D again to cancel and shut down.");
None
}
/// Running → send `Method::Pause`.
/// Idle / Paused → 2-tap to quit the TUI (the Pod keeps running).
fn handle_pause_or_quit(app: &mut App) -> Option<Method> {
if app.running {
return Some(Method::Pause);
}
if let Some(t) = app.quit_confirm
&& t.elapsed() < CONFIRM_TIMEOUT
{
app.quit_confirm = None;
app.quit = true;
return None;
}
app.quit_confirm = Some(std::time::Instant::now());
app.push_error("Press Ctrl-C again within 3 s to exit the TUI (the Pod keeps running).");
None
}