CrispyPin/ants
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make the event parser a proper iterator and block while waiting for input

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This commit is contained in:
Crispy 2023-03-22 21:38:55 +01:00
parent 572f64cb73
commit 2b9a9a0ed8
2 changed files with 15 additions and 9 deletions
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12
examples/print.rs
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@ -6,13 +6,11 @@ use ants::{
fn main() { fn main() {
raw_mode::enter().unwrap(); raw_mode::enter().unwrap();
print!("Press Ctrl+q to exit.\r\n"); print!("Press Ctrl+q to exit.\r\n");
let mut events = Events::new();
loop { for event in Events::new() {
if let Some(event) = events.next() { print!("{:?}\r\n", event);
print!("{:?}\r\n", event); if let Event::Key(Key::Char('q'), Mod::Ctrl) = event {
if let Event::Key(Key::Char('q'), Mod::Ctrl) = event { break;
break;
}
} }
} }
raw_mode::exit().unwrap(); raw_mode::exit().unwrap();

12
src/event.rs
View file

@ -116,9 +116,17 @@ impl Iterator for Events {
type Item = Event; type Item = Event;
fn next(&mut self) -> Option<Self::Item> { fn next(&mut self) -> Option<Self::Item> {
self.source.read_to_end(&mut self.buffer).ok()?;
if self.buffer.is_empty() { if self.buffer.is_empty() {
return None; let mut buf = [0];
while let Ok(0) = self.source.read(&mut buf) {
// there has to be a better way to make this blocking...
std::thread::sleep(std::time::Duration::from_millis(5));
}
// TODO handle read errors
self.buffer.push(buf[0]);
while let Ok(1) = self.source.read(&mut buf) {
self.buffer.push(buf[0]);
}
} }
Some(self.parse()) Some(self.parse())