69 lines
1.8 KiB
Rust
69 lines
1.8 KiB
Rust
mod action;
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mod highlight;
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mod lang;
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mod state;
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mod terminal;
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mod theme;
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mod ui;
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use crate::{
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action::{Action, Dir, Dist, Event, MouseAction},
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state::State,
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terminal::{Area, Color, Terminal, TerminalEvent},
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ui::{Element as _, Visual as _},
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};
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use clap::Parser;
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use std::{io, path::PathBuf, time::Duration};
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#[derive(Parser, Debug)]
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struct Args {
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paths: Vec<PathBuf>,
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}
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#[derive(Debug, thiserror::Error)]
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pub enum Error {
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#[error("io: {0}")]
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Io(#[from] io::Error),
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#[error("no such buffer")]
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NoSuchBuffer,
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}
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fn main() -> Result<(), Error> {
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let args = Args::parse();
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let mut state = State::new(&args);
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let mut ui = ui::Root::new(&mut state, &args);
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Terminal::with(move |term| {
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let mut needs_render = true;
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loop {
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while let Some(ev) = term.get_event() {
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needs_render = true; // TODO: Don't always rerender?
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// Resize events are special and need handling by the terminal
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if let TerminalEvent::Resize(cols, rows) = ev {
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term.set_size([cols, rows]);
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}
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// Have the UI handle events
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match ui.handle(&mut state, Event::from_raw(ev)) {
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Ok(r) if r.is_end() => return Ok(()),
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Ok(_) => {}
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Err(Event::Bell) => term.ring_bell(),
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// Unhandled event!
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Err(_) => {}
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}
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}
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state.tick(&mut needs_render);
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// Render the state to the screen
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if needs_render {
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term.update(|fb| ui.render(&state, fb));
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}
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// Wait for a while, or until an event occurs
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term.wait_at_least(Duration::from_millis(250));
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}
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})
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}
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