85 lines
2.6 KiB
Rust
85 lines
2.6 KiB
Rust
use crossterm::{
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event::{self, Event, KeyCode},
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execute,
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terminal::{EnterAlternateScreen, LeaveAlternateScreen, disable_raw_mode, enable_raw_mode},
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};
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use ratatui::{
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Terminal,
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backend::CrosstermBackend,
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layout::{Constraint, Direction, Layout},
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style::{Color, Style},
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widgets::{Block, Borders, Paragraph},
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};
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use std::io;
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/// Runs the TUI and returns the entered username and password.
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/// This module owns all terminal state.
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pub fn run() -> io::Result<(String, String)> {
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enable_raw_mode()?;
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let mut stdout = io::stdout();
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execute!(stdout, EnterAlternateScreen)?;
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let backend = CrosstermBackend::new(stdout);
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let mut terminal = Terminal::new(backend)?;
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let mut username = String::new();
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let mut password = String::new();
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let mut focus = 0;
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loop {
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terminal.draw(|f| {
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let chunks = Layout::default()
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.direction(Direction::Vertical)
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.constraints([Constraint::Length(3), Constraint::Length(3)])
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.split(f.area());
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let user = Paragraph::new(username.as_str())
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.block(Block::default().borders(Borders::ALL).title("User"))
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.style(if focus == 0 {
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Style::new().fg(Color::from_u32(0x00235759))
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} else {
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Style::default()
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});
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let pass = Paragraph::new(password.as_str())
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.block(Block::default().borders(Borders::ALL).title("Password"))
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.style(if focus == 1 {
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Style::new().fg(Color::from_u32(0x00235759))
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} else {
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Style::default()
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});
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f.render_widget(user, chunks[0]);
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f.render_widget(pass, chunks[1]);
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})?;
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if let Event::Key(key) = event::read()? {
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match key.code {
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KeyCode::Esc => break,
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KeyCode::Tab => focus = (focus + 1) % 2,
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KeyCode::Enter => break,
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KeyCode::Backspace => {
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if focus == 0 {
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username.pop();
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} else {
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password.pop();
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}
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}
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KeyCode::Char(c) => {
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if focus == 0 {
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username.push(c);
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} else {
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password.push(c);
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}
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}
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_ => {}
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}
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}
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}
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disable_raw_mode()?;
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execute!(terminal.backend_mut(), LeaveAlternateScreen)?;
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Ok((username, password))
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}
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