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