310 lines
9.7 KiB
Rust
310 lines
9.7 KiB
Rust
use crate::commands::{self, Command};
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use helix_core::hashmap;
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use helix_view::document::Mode;
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use std::collections::HashMap;
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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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// W = next WORD
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// e = end of 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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// in kakoune these are alt-h alt-l / gh gl
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// select from curs to begin end / move curs to begin end
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// 0 = start of line
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// ^ = start of line (first non blank char)
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// $ = end of line
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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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// gd = goto definition
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// gr = goto reference
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// }
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// #[cfg(feature = "term")]
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pub use crossterm::event::{KeyCode, KeyEvent as Key, KeyModifiers as Modifiers};
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// TODO: could be trie based
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pub type Keymap = HashMap<Key, Command>;
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pub type Keymaps = HashMap<Mode, Keymap>;
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macro_rules! key {
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($ch:expr) => {
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Key {
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code: KeyCode::Char($ch),
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modifiers: Modifiers::NONE,
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}
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};
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}
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macro_rules! shift {
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($ch:expr) => {
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Key {
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code: KeyCode::Char($ch),
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modifiers: Modifiers::SHIFT,
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}
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};
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}
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macro_rules! ctrl {
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($ch:expr) => {
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Key {
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code: KeyCode::Char($ch),
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modifiers: Modifiers::CONTROL,
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}
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};
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}
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macro_rules! alt {
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($ch:expr) => {
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Key {
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code: KeyCode::Char($ch),
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modifiers: Modifiers::ALT,
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}
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};
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}
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pub fn default() -> Keymaps {
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let normal = hashmap!(
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key!('h') => commands::move_char_left as Command,
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key!('j') => commands::move_line_down,
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key!('k') => commands::move_line_up,
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key!('l') => commands::move_char_right,
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// key!('t') => commands::till_next_char,
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// key!('f') => commands::find_next_char,
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// key!('T') => commands::till_prev_char,
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// key!('f') => commands::find_prev_char,
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// and matching set for select mode (extend)
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key!('0') => commands::move_line_start,
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key!('$') => commands::move_line_end,
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key!('w') => commands::move_next_word_start,
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key!('b') => commands::move_prev_word_start,
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key!('e') => commands::move_next_word_end,
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key!('v') => commands::select_mode,
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key!('g') => commands::goto_mode,
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key!(':') => commands::command_mode,
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key!('i') => commands::insert_mode,
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shift!('I') => commands::prepend_to_line,
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key!('a') => commands::append_mode,
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shift!('A') => commands::append_to_line,
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key!('o') => commands::open_below,
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// key!('O') => commands::open_above,
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// [<space> ]<space> equivalents too (add blank new line, no edit)
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key!('d') => commands::delete_selection,
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// TODO: also delete without yanking
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key!('c') => commands::change_selection,
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// TODO: also change delete without yanking
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// key!('r') => commands::replace_with_char,
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key!('s') => commands::select_regex,
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alt!('s') => commands::split_selection_on_newline,
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shift!('S') => commands::split_selection,
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key!(';') => commands::collapse_selection,
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alt!(';') => commands::flip_selections,
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key!('%') => commands::select_all,
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key!('x') => commands::select_line,
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shift!('X') => commands::extend_line,
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// or select mode X?
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// extend_to_whole_line, crop_to_whole_line
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// key!('m') => commands::select_to_matching,
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// key!('M') => commands::back_select_to_matching,
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// select mode extend equivalents
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// key!('.') => commands::repeat_insert,
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// repeat_select
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// TODO: figure out what key to use
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key!('[') => commands::expand_selection,
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key!('/') => commands::search,
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key!('n') => commands::search_next,
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key!('*') => commands::search_selection,
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key!('u') => commands::undo,
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shift!('U') => commands::redo,
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key!('y') => commands::yank,
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// yank_all
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key!('p') => commands::paste,
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// paste_all
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key!('>') => commands::indent,
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key!('<') => commands::unindent,
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key!('=') => commands::format_selections,
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shift!('J') => commands::join_selections,
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shift!('K') => commands::keep_selections,
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// key!('q') => commands::record_macro,
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// key!('Q') => commands::replay_macro,
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// ~ / apostrophe => change case
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// & align selections
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// _ trim selections
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// C / altC = copy (repeat) selections on prev/next lines
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Key {
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code: KeyCode::Esc,
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modifiers: Modifiers::NONE
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} => commands::normal_mode,
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Key {
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code: KeyCode::PageUp,
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modifiers: Modifiers::NONE
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} => commands::page_up,
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Key {
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code: KeyCode::PageDown,
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modifiers: Modifiers::NONE
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} => commands::page_down,
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ctrl!('u') => commands::half_page_up,
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ctrl!('d') => commands::half_page_down,
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ctrl!('p') => commands::file_picker,
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ctrl!('b') => commands::buffer_picker,
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Key {
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code: KeyCode::Tab,
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modifiers: Modifiers::NONE
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} => commands::next_view,
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// move under <space>c
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ctrl!('c') => commands::toggle_comments,
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shift!('K') => commands::hover,
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// z family for save/restore/combine from/to sels from register
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);
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// TODO: decide whether we want normal mode to also be select mode (kakoune-like), or whether
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// we keep this separate select mode. More keys can fit into normal mode then, but it's weird
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// because some selection operations can now be done from normal mode, some from select mode.
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let mut select = normal.clone();
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select.extend(
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hashmap!(
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key!('h') => commands::extend_char_left as Command,
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key!('j') => commands::extend_line_down,
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key!('k') => commands::extend_line_up,
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key!('l') => commands::extend_char_right,
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key!('w') => commands::extend_next_word_start,
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key!('b') => commands::extend_prev_word_start,
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key!('e') => commands::extend_next_word_end,
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Key {
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code: KeyCode::Esc,
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modifiers: Modifiers::NONE
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} => commands::exit_select_mode as Command,
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)
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.into_iter(),
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);
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hashmap!(
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// as long as you cast the first item, rust is able to infer the other cases
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// TODO: select could be normal mode with some bindings merged over
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Mode::Normal => normal,
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Mode::Select => select,
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Mode::Insert => hashmap!(
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Key {
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code: KeyCode::Esc,
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modifiers: Modifiers::NONE
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} => commands::normal_mode as Command,
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Key {
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code: KeyCode::Backspace,
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modifiers: Modifiers::NONE
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} => commands::insert::delete_char_backward,
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Key {
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code: KeyCode::Delete,
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modifiers: Modifiers::NONE
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} => commands::insert::delete_char_forward,
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Key {
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code: KeyCode::Enter,
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modifiers: Modifiers::NONE
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} => commands::insert::insert_newline,
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Key {
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code: KeyCode::Tab,
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modifiers: Modifiers::NONE
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} => commands::insert::insert_tab,
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ctrl!('x') => commands::completion,
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),
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Mode::Goto => hashmap!(
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Key {
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code: KeyCode::Esc,
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modifiers: Modifiers::NONE
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} => commands::normal_mode as Command,
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key!('g') => commands::move_file_start as Command,
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key!('e') => commands::move_file_end as Command,
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),
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)
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}
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