53 lines
1.3 KiB
Rust
53 lines
1.3 KiB
Rust
use crossterm::event::Event;
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use crossterm::style::{ContentStyle, Stylize};
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use toss::frame::{Frame, Pos};
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use toss::terminal::Terminal;
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fn draw(f: &mut Frame) {
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f.write(
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Pos::new(0, 0),
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("Hello world!", ContentStyle::default().green()),
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);
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f.write(
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Pos::new(0, 1),
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(
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"Press any key to exit",
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ContentStyle::default().on_dark_blue(),
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),
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);
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f.show_cursor(Pos::new(16, 0));
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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// Must be called before rendering, otherwise the terminal has out-of-date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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draw(term.frame());
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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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