synd_term/keymap/
macros.rs

1macro_rules! keymap {
2    ( @count $token:tt ) => { () };
3
4    ( @trie $cmd:ident ) =>  { $crate::keymap::KeyTrie::Command($crate::command::Command::$cmd()) };
5
6    (@trie
7        { $( $($key:literal)|+ => $value:tt, )+ }
8    ) => {
9        keymap!({ $( $($key)|+ => $value, )+ })
10    };
11
12    (
13        { $( $($key:literal)|+ => $value:tt, )+ }
14    ) => {
15        {
16            // https://danielkeep.github.io/tlborm/book/blk-counting.html#slice-length
17            let capacity = <[()]>::len(&[
18                 $(
19                     $( keymap!(@count $key) ),*
20                ),*
21            ]);
22            let mut map = ::std::collections::HashMap::with_capacity(capacity);
23            $(
24                $(
25                    let key_event = $crate::keymap::parse($key).unwrap();
26                    let trie = keymap!(@trie $value );
27                    map.insert(key_event, trie);
28                )*
29            )*
30            let node =  $crate::keymap::KeyTrieNode { map };
31            $crate::keymap::KeyTrie::Node(node)
32        }
33    };
34}
35
36pub(crate) use keymap;
37
38#[macro_export]
39macro_rules! key {
40    ( enter ) => {
41        crossterm::event::Event::Key(crossterm::event::KeyEvent::from(
42            crossterm::event::KeyCode::Enter,
43        ))
44    };
45    ( tab ) => {
46        crossterm::event::Event::Key(crossterm::event::KeyEvent::from(
47            crossterm::event::KeyCode::Tab,
48        ))
49    };
50    ( esc ) => {
51        crossterm::event::Event::Key(crossterm::event::KeyEvent::from(
52            crossterm::event::KeyCode::Esc,
53        ))
54    };
55    ( backspace ) => {
56        crossterm::event::Event::Key(crossterm::event::KeyEvent::from(
57            crossterm::event::KeyCode::Backspace,
58        ))
59    };
60    ( $char:literal ) => {
61        crossterm::event::Event::Key(crossterm::event::KeyEvent::from(
62            crossterm::event::KeyCode::Char($char),
63        ))
64    };
65}
66
67#[macro_export]
68macro_rules! shift {
69    ( $char:literal ) => {{
70        let mut k = crossterm::event::KeyEvent::from(crossterm::event::KeyCode::Char($char));
71        k.modifiers.insert(crossterm::event::KeyModifiers::SHIFT);
72        crossterm::event::Event::Key(k)
73    }};
74}
synd_term/keymap/macros.rs

synd_term/keymap/
macros.rs
