56 lines
1.6 KiB
Rust
56 lines
1.6 KiB
Rust
use std::convert::Infallible;
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use crossterm::event::Event;
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use crossterm::style::Stylize;
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use toss::widgets::{BorderLook, Text};
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use toss::{Style, Styled, Terminal, Widget, WidgetExt};
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fn widget() -> impl Widget<Infallible> {
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let styled = Styled::new("Hello world!", Style::new().green())
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.then_plain("\n")
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.then("Press any key to exit", Style::new().on_dark_blue());
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Text::new(styled)
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.padding()
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.horizontal(1)
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.border()
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.look(BorderLook::LINE_DOUBLE)
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.style(Style::new().dark_red())
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.background()
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.style(Style::new().on_dark_yellow().opaque())
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.float()
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.all(0.5)
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}
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fn render_frame(term: &mut Terminal) {
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loop {
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// Must be called before rendering, otherwise the terminal has out-of-date
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// size information and will present garbage.
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term.autoresize().unwrap();
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widget().draw(term.frame()).unwrap();
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term.present().unwrap();
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if term.measuring_required() {
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term.measure_widths().unwrap();
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} else {
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break;
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}
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}
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}
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fn main() {
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// Automatically enters alternate screen and enables raw mode
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let mut term = Terminal::new().unwrap();
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term.set_measuring(true);
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loop {
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// Render and display a frame. A full frame is displayed on the terminal
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// once this function exits.
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render_frame(&mut term);
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// Exit if the user presses any buttons
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if !matches!(crossterm::event::read().unwrap(), Event::Resize(_, _)) {
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break;
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}
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}
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}
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