fret-core 0.1.0

Core contracts, IDs, geometry, events, and shared data types for the Fret framework.
Documentation 
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

pub use keyboard_types::Code as KeyCode;

/// Maps a key code to a lowercase ASCII character for basic typeahead use.
///
/// This intentionally only covers `a-z` and `0-9` to match common Radix-like prefix typeahead
/// behavior. Returns `None` for non-alphanumeric keys.
pub fn keycode_to_ascii_lowercase(key: KeyCode) -> Option<char> {
    use keyboard_types::Code;

    Some(match key {
        Code::KeyA => 'a',
        Code::KeyB => 'b',
        Code::KeyC => 'c',
        Code::KeyD => 'd',
        Code::KeyE => 'e',
        Code::KeyF => 'f',
        Code::KeyG => 'g',
        Code::KeyH => 'h',
        Code::KeyI => 'i',
        Code::KeyJ => 'j',
        Code::KeyK => 'k',
        Code::KeyL => 'l',
        Code::KeyM => 'm',
        Code::KeyN => 'n',
        Code::KeyO => 'o',
        Code::KeyP => 'p',
        Code::KeyQ => 'q',
        Code::KeyR => 'r',
        Code::KeyS => 's',
        Code::KeyT => 't',
        Code::KeyU => 'u',
        Code::KeyV => 'v',
        Code::KeyW => 'w',
        Code::KeyX => 'x',
        Code::KeyY => 'y',
        Code::KeyZ => 'z',
        Code::Digit0 => '0',
        Code::Digit1 => '1',
        Code::Digit2 => '2',
        Code::Digit3 => '3',
        Code::Digit4 => '4',
        Code::Digit5 => '5',
        Code::Digit6 => '6',
        Code::Digit7 => '7',
        Code::Digit8 => '8',
        Code::Digit9 => '9',
        _ => return None,
    })
}