panorama/src/ui/mod.rs

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Rust
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mod table;
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use std::io::Write;
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use std::time::Duration;
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use anyhow::Result;
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use chrono::Local;
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use crossterm::{
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cursor,
event::{self, Event, KeyCode, KeyEvent},
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style::{self, Color},
terminal::{self, ClearType},
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};
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use tokio::time;
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use crate::ExitSender;
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use self::table::Table;
const FRAME: Duration = Duration::from_millis(20);
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/// X Y W H
#[derive(Copy, Clone)]
pub struct Rect(u16, u16, u16, u16);
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pub async fn run_ui(mut w: impl Write, exit: ExitSender) -> Result<()> {
execute!(w, cursor::Hide, terminal::EnterAlternateScreen)?;
terminal::enable_raw_mode()?;
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let mut table = Table::default();
table.push_row(vec!["ur mom Lol!".to_owned()]);
table.push_row(vec!["hek".to_owned()]);
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loop {
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queue!(
w,
style::SetBackgroundColor(Color::Reset),
style::SetForegroundColor(Color::Reset),
// terminal::Clear(ClearType::All),
cursor::MoveTo(0, 0),
)?;
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let now = Local::now();
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println!("time {}", now);
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let (term_width, term_height) = terminal::size()?;
let bounds = Rect(5, 5, term_width - 10, term_height - 10);
table.draw(&mut w, bounds)?;
w.flush()?;
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// approx 60fps
time::sleep(FRAME).await;
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// check to see if there's even an event this frame. otherwise, just keep going
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if event::poll(FRAME)? {
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let event = event::read()?;
table.update(&event);
match event {
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Event::Key(KeyEvent {
code: KeyCode::Char('q'),
..
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}) => break,
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_ => {}
}
}
}
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execute!(
w,
style::ResetColor,
cursor::Show,
terminal::LeaveAlternateScreen
)?;
terminal::disable_raw_mode()?;
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exit.send(()).expect("fake news?");
Ok(())
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}