cursive/examples/key_codes.rs

49 lines
962 B
Rust
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extern crate cursive;
use cursive::Cursive;
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use cursive::view::{View, BoxView};
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use cursive::Printer;
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use cursive::event::{EventResult, Event};
fn main() {
let mut siv = Cursive::new();
siv.add_layer(BoxView::fixed_size((30, 10), KeyCodeView::new(10)));
siv.run();
}
struct KeyCodeView {
history: Vec<String>,
size: usize,
}
impl KeyCodeView {
fn new(size: usize) -> Self {
KeyCodeView {
history: Vec::new(),
size: size,
}
}
}
impl View for KeyCodeView {
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fn draw(&self, printer: &Printer) {
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for (y, line) in self.history.iter().enumerate() {
printer.print((0, y), &line);
}
}
fn on_event(&mut self, event: Event) -> EventResult {
let line = format!("{:?}", event);
self.history.push(line);
while self.history.len() > self.size {
self.history.remove(0);
}
EventResult::Consumed(None)
}
}