1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
use crossterm::event::{self, Event, KeyCode, KeyEventKind, KeyModifiers};
use std::sync::mpsc::Sender;
use super::WatchEvent;
pub enum InputEvent {
Next,
Hint,
List,
Quit,
Unrecognized(String),
}
pub fn terminal_event_handler(tx: Sender<WatchEvent>) {
let mut input = String::with_capacity(8);
let last_input_event = loop {
let terminal_event = match event::read() {
Ok(v) => v,
Err(e) => {
// If `send` returns an error, then the receiver is dropped and
// a shutdown has been already initialized.
let _ = tx.send(WatchEvent::TerminalEventErr(e));
return;
}
};
match terminal_event {
Event::Key(key) => {
if key.modifiers != KeyModifiers::NONE {
continue;
}
match key.kind {
KeyEventKind::Release => continue,
KeyEventKind::Press | KeyEventKind::Repeat => (),
}
match key.code {
KeyCode::Enter => {
let input_event = match input.trim() {
"n" | "next" => InputEvent::Next,
"h" | "hint" => InputEvent::Hint,
"l" | "list" => break InputEvent::List,
"q" | "quit" => break InputEvent::Quit,
_ => InputEvent::Unrecognized(input.clone()),
};
if tx.send(WatchEvent::Input(input_event)).is_err() {
return;
}
input.clear();
}
KeyCode::Char(c) => {
input.push(c);
}
_ => (),
}
}
Event::Resize(_, _) => {
if tx.send(WatchEvent::TerminalResize).is_err() {
return;
}
}
Event::FocusGained | Event::FocusLost | Event::Mouse(_) | Event::Paste(_) => continue,
}
};
let _ = tx.send(WatchEvent::Input(last_input_event));
}
|
