arkham/examples/keyboard.rs

32 lines
794 B
Rust

use arkham::prelude::*;
fn main() {
App::new(root).run().expect("couldnt launch app");
}
fn root(ctx: &mut ViewContext) {
let size = ctx.size();
ctx.fill(size, Rune::new().bg(Color::DarkGrey));
ctx.component(((10, 10), (30, 1)), hello_world);
ctx.component(((10, 11), (20, 1)), show_key_press);
ctx.component((0, (size.width, 1)), quit_nag);
}
fn hello_world(ctx: &mut ViewContext) {
ctx.insert(0, "Hello World, Press a key");
}
fn show_key_press(ctx: &mut ViewContext, kb: Res<Keyboard>) {
if let Some(c) = kb.char() {
ctx.insert(0, format!("Key press: {}", c));
}
}
fn quit_nag(ctx: &mut ViewContext) {
let size = ctx.size();
ctx.insert(
((size.width / 2) - 7, 0),
"Press Q to Quit".to_runes().fg(Color::Red),
);
}