diff --git a/src/list.rs b/src/list.rs index f8713b07..82c3e465 100644 --- a/src/list.rs +++ b/src/list.rs @@ -1,34 +1,22 @@ -use std::{io, time::Duration}; - use anyhow::Result; use crossterm::{ - event::{self, KeyCode, KeyEventKind}, + event::{self, Event, KeyCode, KeyEventKind}, terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen}, ExecutableCommand, }; use ratatui::{ backend::CrosstermBackend, layout::Constraint, - style::{Modifier, Style, Stylize}, + style::{Style, Stylize}, text::Span, - widgets::{Block, Borders, HighlightSpacing, Row, Table, TableState}, + widgets::{HighlightSpacing, Row, Table, TableState}, Terminal, }; +use std::io; use crate::{exercise::Exercise, state::State}; -// 40 FPS. -const UPDATE_INTERVAL: Duration = Duration::from_millis(25); - -pub fn list(state: &State, exercises: &[Exercise]) -> Result<()> { - let mut stdout = io::stdout().lock(); - - stdout.execute(EnterAlternateScreen)?; - enable_raw_mode()?; - - let mut terminal = Terminal::new(CrosstermBackend::new(&mut stdout))?; - terminal.clear()?; - +fn table<'a>(state: &State, exercises: &'a [Exercise]) -> Table<'a> { let header = Row::new(["State", "Name", "Path"]); let max_name_len = exercises @@ -60,28 +48,69 @@ pub fn list(state: &State, exercises: &[Exercise]) -> Result<()> { }) .collect::>(); - let table = Table::new(rows, widths) + Table::new(rows, widths) .header(header) .column_spacing(2) .highlight_spacing(HighlightSpacing::Always) - .highlight_style(Style::new().add_modifier(Modifier::REVERSED)) - .highlight_symbol("🦀"); + .highlight_style(Style::new().bg(ratatui::style::Color::Rgb(50, 50, 50))) + .highlight_symbol("🦀") +} - let mut table_state = TableState::default().with_selected(Some(0)); +pub fn list(state: &State, exercises: &[Exercise]) -> Result<()> { + let mut stdout = io::stdout().lock(); - loop { + stdout.execute(EnterAlternateScreen)?; + enable_raw_mode()?; + + let mut terminal = Terminal::new(CrosstermBackend::new(&mut stdout))?; + terminal.clear()?; + + let table = table(state, exercises); + + let last_ind = exercises.len() - 1; + let mut selected = 0; + let mut table_state = TableState::default().with_selected(Some(selected)); + + 'outer: loop { terminal.draw(|frame| { let area = frame.size(); frame.render_stateful_widget(&table, area, &mut table_state); })?; - if event::poll(UPDATE_INTERVAL)? { - if let event::Event::Key(key) = event::read()? { - if key.kind == KeyEventKind::Press && key.code == KeyCode::Char('q') { - break; - } + let key = loop { + match event::read()? { + Event::Key(key) => break key, + // Redraw + Event::Resize(_, _) => continue 'outer, + // Ignore + Event::FocusGained | Event::FocusLost | Event::Mouse(_) | Event::Paste(_) => (), } + }; + + if key.kind != KeyEventKind::Press { + continue; + } + + match key.code { + KeyCode::Char('q') => break, + KeyCode::Down | KeyCode::Char('j') => { + selected = selected.saturating_add(1).min(last_ind); + table_state.select(Some(selected)); + } + KeyCode::Up | KeyCode::Char('k') => { + selected = selected.saturating_sub(1).max(0); + table_state.select(Some(selected)); + } + KeyCode::Home | KeyCode::Char('g') => { + selected = 0; + table_state.select(Some(selected)); + } + KeyCode::End | KeyCode::Char('G') => { + selected = last_ind; + table_state.select(Some(selected)); + } + _ => (), } }