initial commit

This commit is contained in:
Peter Tillemans 2024-10-25 01:42:14 +02:00
commit 653666481d
4 changed files with 630 additions and 0 deletions

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[package]
name = "ratatui-counter-app"
version = "0.1.0"
edition = "2021"
[dependencies]
crossterm = "0.28.1"
ratatui = "0.29.0"

81
src/main.rs Normal file
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use std::io;
use ratatui::{
buffer::Buffer,
layout::{Alignment, Rect},
style::Stylize,
symbols::border,
text::Line,
widgets::{
block::{Title, Position},
Block, Paragraph, Widget},
DefaultTerminal,
Frame};
fn main() -> io::Result<()> {
let mut terminal = ratatui::init();
let app_result = App::default().run(&mut terminal);
ratatui::restore();
app_result
}
#[derive(Debug, Default)]
pub struct App {
counter: u8,
exit: bool,
}
impl App {
// runs application loop till users quits
pub fn run(&mut self, terminal: &mut DefaultTerminal) -> io::Result<()> {
while !self.exit {
terminal.draw(|frame| self.draw(frame))?;
self.handle_events()?;
}
Ok(())
}
fn draw(&self, frame: &mut Frame) {
frame.render_widget(self, frame.area());
}
fn handle_events(&mut self) -> io::Result<()> {
todo!()
}
}
impl Widget for &App {
fn render(self, area: Rect, buf: &mut Buffer) {
let title = Title::from(" Counter App Tutorial ".bold());
let instructions = Title::from(Line::from(vec![
" Decrement ".into(),
"<Left>".blue().bold(),
" Increment ".into(),
"<Right>".blue().bold(),
" Quit ".into(),
"<Q> ".blue().bold(),
]));
let block = Block::bordered()
.title(title.alignment(Alignment::Center))
.title(instructions
.alignment(Alignment::Center)
.position(Position::Bottom),
)
.border_set(border::THICK);
let counter_text = Text::from(vec![Line::from(vec![
"Value: ".into(),
self.counter.to_string().yellow(),
])]);
Paragraph::new(counter_text)
.centered()
.block(block)
.render(area, buf);
}
}