pito_list/
key.rs

1#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
2#[non_exhaustive]
3pub enum Key {
4    Char(char),
5    Ctrl(char),
6    Alt(char),
7    Tab,
8    BackTab,
9    Enter,
10    Esc,
11    Backspace,
12    Left,
13    Right,
14    Up,
15    Down,
16    Home,
17    End,
18    PageUp,
19    PageDown,
20    Delete,
21    Other,
22}
23
24#[cfg(feature = "crossterm")]
25impl From<crossterm::event::KeyEvent> for Key {
26    fn from(event: crossterm::event::KeyEvent) -> Self {
27        use crossterm::event::{KeyCode, KeyEventKind, KeyModifiers};
28        if event.kind == KeyEventKind::Release {
29            return Key::Other;
30        }
31        let modifiers = event.modifiers;
32        let control = modifiers.contains(KeyModifiers::CONTROL);
33        let alt = modifiers.contains(KeyModifiers::ALT);
34        let other =
35            modifiers.intersects(KeyModifiers::SUPER | KeyModifiers::HYPER | KeyModifiers::META);
36        match event.code {
37            KeyCode::Char(_) if other => Key::Other,
38            KeyCode::Char(c) if control && alt => Key::Char(c),
39            KeyCode::Char(c) if control => Key::Ctrl(c.to_ascii_lowercase()),
40            KeyCode::Char(c) if alt => Key::Alt(c),
41            KeyCode::Char(c) => Key::Char(c),
42            _ if other || alt => Key::Other,
43            KeyCode::Tab if event.modifiers.contains(KeyModifiers::SHIFT) => Key::BackTab,
44            KeyCode::Tab => Key::Tab,
45            KeyCode::BackTab => Key::BackTab,
46            KeyCode::Enter => Key::Enter,
47            KeyCode::Esc => Key::Esc,
48            KeyCode::Backspace => Key::Backspace,
49            KeyCode::Left => Key::Left,
50            KeyCode::Right => Key::Right,
51            KeyCode::Up => Key::Up,
52            KeyCode::Down => Key::Down,
53            KeyCode::Home => Key::Home,
54            KeyCode::End => Key::End,
55            KeyCode::PageUp => Key::PageUp,
56            KeyCode::PageDown => Key::PageDown,
57            KeyCode::Delete => Key::Delete,
58            _ => Key::Other,
59        }
60    }
61}
pito_list/key.rs

pito_list/
key.rs
