aboutsummaryrefslogtreecommitdiff
path: root/helix-term/src/keymap.rs
diff options
context:
space:
mode:
authorJan Hrastnik2020-12-13 11:30:36 +0000
committerGitHub2020-12-13 11:30:36 +0000
commitb12a6dc8303bbc1b4b08a9abb4668741d154adbd (patch)
tree016aa433cf7c226341e9c3c3e74ea65060db1914 /helix-term/src/keymap.rs
parentb7a3e525ed7fed5ed79e8580df2e3496bd994419 (diff)
parent07801b60bccd0f084eae925e0290c24322de575f (diff)
Merge pull request #6 from helix-editor/compositor
Compositor v2 rewrite
Diffstat (limited to 'helix-term/src/keymap.rs')
-rw-r--r--helix-term/src/keymap.rs217
1 files changed, 217 insertions, 0 deletions
diff --git a/helix-term/src/keymap.rs b/helix-term/src/keymap.rs
new file mode 100644
index 00000000..af46f7a4
--- /dev/null
+++ b/helix-term/src/keymap.rs
@@ -0,0 +1,217 @@
+use crate::commands::{self, Command};
+use helix_core::hashmap;
+use helix_view::document::Mode;
+use std::collections::HashMap;
+
+// Kakoune-inspired:
+// mode = {
+// normal = {
+// q = record_macro
+// w = (next) word
+// W = next WORD
+// e = end of 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)
+//
+// in kakoune these are alt-h alt-l / gh gl
+// select from curs to begin end / move curs to begin end
+// 0 = start of line
+// ^ = start of line (first non blank char)
+// $ = end of line
+//
+// 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?
+// + =
+// }
+//
+// gd = goto definition
+// gr = goto reference
+// }
+
+// #[cfg(feature = "term")]
+pub use crossterm::event::{KeyCode, KeyEvent as Key, KeyModifiers as Modifiers};
+
+// TODO: could be trie based
+pub type Keymap = HashMap<Vec<Key>, Command>;
+pub type Keymaps = HashMap<Mode, Keymap>;
+
+macro_rules! key {
+ ($ch:expr) => {
+ Key {
+ code: KeyCode::Char($ch),
+ modifiers: Modifiers::NONE,
+ }
+ };
+}
+
+macro_rules! shift {
+ ($ch:expr) => {
+ Key {
+ code: KeyCode::Char($ch),
+ modifiers: Modifiers::SHIFT,
+ }
+ };
+}
+
+macro_rules! ctrl {
+ ($ch:expr) => {
+ Key {
+ code: KeyCode::Char($ch),
+ modifiers: Modifiers::CONTROL,
+ }
+ };
+}
+
+// macro_rules! alt {
+// ($ch:expr) => {
+// Key {
+// code: KeyCode::Char($ch),
+// modifiers: Modifiers::ALT,
+// }
+// };
+// }
+
+pub fn default() -> Keymaps {
+ hashmap!(
+ Mode::Normal =>
+ // as long as you cast the first item, rust is able to infer the other cases
+ hashmap!(
+ vec![key!('h')] => commands::move_char_left as Command,
+ vec![key!('j')] => commands::move_line_down,
+ vec![key!('k')] => commands::move_line_up,
+ vec![key!('0')] => commands::move_line_start,
+ vec![key!('$')] => commands::move_line_end,
+ vec![key!('l')] => commands::move_char_right,
+ vec![shift!('H')] => commands::extend_char_left,
+ vec![shift!('J')] => commands::extend_line_down,
+ vec![shift!('K')] => commands::extend_line_up,
+ vec![shift!('L')] => commands::extend_char_right,
+ vec![key!('w')] => commands::move_next_word_start,
+ vec![key!('b')] => commands::move_prev_word_start,
+ vec![key!('e')] => commands::move_next_word_end,
+ vec![key!('g')] => commands::goto_mode,
+ vec![key!('i')] => commands::insert_mode,
+ vec![shift!('I')] => commands::prepend_to_line,
+ vec![key!('a')] => commands::append_mode,
+ vec![shift!('A')] => commands::append_to_line,
+ vec![key!('o')] => commands::open_below,
+ vec![key!('d')] => commands::delete_selection,
+ vec![key!('c')] => commands::change_selection,
+ vec![key!('s')] => commands::split_selection_on_newline,
+ vec![key!(';')] => commands::collapse_selection,
+ // TODO should be alt(;)
+ vec![key!('%')] => commands::flip_selections,
+ vec![key!('x')] => commands::select_line,
+ vec![key!('u')] => commands::undo,
+ vec![shift!('U')] => commands::redo,
+ vec![key!('y')] => commands::yank,
+ vec![key!('p')] => commands::paste,
+ vec![key!('>')] => commands::indent,
+ vec![key!('<')] => commands::unindent,
+ vec![key!(':')] => commands::command_mode,
+ vec![Key {
+ code: KeyCode::Esc,
+ modifiers: Modifiers::NONE
+ }] => commands::normal_mode,
+ vec![Key {
+ code: KeyCode::PageUp,
+ modifiers: Modifiers::NONE
+ }] => commands::page_up,
+ vec![Key {
+ code: KeyCode::PageDown,
+ modifiers: Modifiers::NONE
+ }] => commands::page_down,
+ vec![ctrl!('u')] => commands::half_page_up,
+ vec![ctrl!('d')] => commands::half_page_down,
+ ),
+ Mode::Insert => hashmap!(
+ vec![Key {
+ code: KeyCode::Esc,
+ modifiers: Modifiers::NONE
+ }] => commands::normal_mode as Command,
+ vec![Key {
+ code: KeyCode::Backspace,
+ modifiers: Modifiers::NONE
+ }] => commands::insert::delete_char_backward,
+ vec![Key {
+ code: KeyCode::Delete,
+ modifiers: Modifiers::NONE
+ }] => commands::insert::delete_char_forward,
+ vec![Key {
+ code: KeyCode::Enter,
+ modifiers: Modifiers::NONE
+ }] => commands::insert::insert_newline,
+ vec![Key {
+ code: KeyCode::Tab,
+ modifiers: Modifiers::NONE
+ }] => commands::insert::insert_tab,
+ ),
+ Mode::Goto => hashmap!(
+ vec![Key {
+ code: KeyCode::Esc,
+ modifiers: Modifiers::NONE
+ }] => commands::normal_mode as Command,
+ vec![key!('g')] => commands::move_file_start as Command,
+ vec![key!('e')] => commands::move_file_end as Command,
+ ),
+ )
+}