helix-mods/helix-term/src/keymap.rs
2020-06-16 18:00:34 +09:00

116 lines
3.4 KiB
Rust

use crossterm::event::{KeyCode, KeyEvent as Key, KeyModifiers as Modifiers};
use helix_core::commands::{self, Command};
use std::collections::HashMap;
// Kakoune-inspired:
// mode = {
// normal = {
// q = record_macro
// w = (next) word
// e = end of word
// r =
// t = 'till char
// y = yank
// u = undo
// U = redo
// i = insert
// I = INSERT (start of line)
// o = open below (insert on new line below)
// O = open above (insert on new line above)
// p = paste (before cursor)
// P = PASTE (after cursor)
// ` =
// [ = select to text object start (alt = select whole object)
// ] = select to text object end
// { = extend to inner object start
// } = extend to inner object end
// a = append
// A = APPEND (end of line)
// s = split
// S = select
// d = delete()
// f = find_char()
// g = goto (gg, G, gc, gd, etc)
//
// h = move_char_left(n)
// j = move_line_down(n)
// k = move_line_up(n)
// l = move_char_right(n)
// : = command line
// ; = collapse selection to cursor
// " = use register
// ` = convert case? (to lower) (alt = swap case)
// ~ = convert to upper case
// . = repeat last command
// \ = disable hook?
// / = search
// > = indent
// < = deindent
// % = select whole buffer (in vim = jump to matching bracket)
// * = search pattern in selection
// ( = rotate main selection backward
// ) = rotate main selection forward
// - = trim selections? (alt = merge contiguous sel together)
// @ = convert tabs to spaces
// & = align cursor
// ? = extend to next given regex match (alt = to prev)
//
// z = save selections
// Z = restore selections
// x = select line
// X = extend line
// c = change selected text
// C = copy selection?
// v = view menu (viewport manipulation)
// b = select to previous word start
// B = select to previous WORD start
//
//
//
//
//
//
// = = align?
// + =
// }
// }
macro_rules! hashmap {
(@single $($x:tt)*) => (());
(@count $($rest:expr),*) => (<[()]>::len(&[$(hashmap!(@single $rest)),*]));
($($key:expr => $value:expr,)+) => { hashmap!($($key => $value),+) };
($($key:expr => $value:expr),*) => {
{
let _cap = hashmap!(@count $($key),*);
let mut _map = ::std::collections::HashMap::with_capacity(_cap);
$(
let _ = _map.insert($key, $value);
)*
_map
}
};
}
type Keymap = HashMap<Key, Command>;
pub fn default() -> Keymap {
hashmap!(
Key {
code: KeyCode::Char('h'),
modifiers: Modifiers::NONE
} => commands::move_char_left as Command,
Key {
code: KeyCode::Char('j'),
modifiers: Modifiers::NONE
} => commands::move_line_down as Command,
Key {
code: KeyCode::Char('k'),
modifiers: Modifiers::NONE
} => commands::move_line_up as Command,
Key {
code: KeyCode::Char('l'),
modifiers: Modifiers::NONE
} => commands::move_char_right as Command,
)
}