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feat(term): uniformize word-wise movement and deletion (#2500)

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Ctrl-based shortcuts are common in numerous applications.

This change:
- Adds Ctrl+{Left/Right/Backspace/Delete} for word-wise movement/deletion in prompt, picker, …
- Removes Alt-Left and Alt-Right in prompt, picker, …
- Adds Alt-Delete in insert mode for forward word deletion

In some terminals, Alt-Backspace might not work because it is ambigous.
See: https://github.com/helix-editor/helix/pull/2193#issuecomment-1105042501
Hence, Alt alternative is not removed.
This commit is contained in:
Benoît Cortier 2022-07-15 09:59:00 -04:00 committed by GitHub
parent 8681fb6d9e
commit 333ab27837
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 52 additions and 52 deletions
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13
book/src/keymap.md
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@ -303,8 +303,8 @@ ## Insert Mode
| `Escape` | Switch to normal mode | `normal_mode` |
| `Ctrl-x` | Autocomplete | `completion` |
| `Ctrl-r` | Insert a register content | `insert_register` |
| `Ctrl-w`, `Alt-Backspace` | Delete previous word | `delete_word_backward` |
| `Alt-d` | Delete next word | `delete_word_forward` |
| `Ctrl-w`, `Alt-Backspace`, `Ctrl-Backspace` | Delete previous word | `delete_word_backward` |
| `Alt-d`, `Alt-Delete`, `Ctrl-Delete` | Delete next word | `delete_word_forward` |
| `Alt-b`, `Ctrl-Left` | Backward a word | `move_prev_word_end` |
| `Ctrl-b`, `Left` | Backward a char | `move_char_left` |
| `Alt-f`, `Ctrl-Right` | Forward a word | `move_next_word_start` |
@ -361,14 +361,14 @@ # Prompt
| Key | Description |
| ----- | ------------- |
| `Escape`, `Ctrl-c` | Close prompt |
| `Alt-b`, `Alt-Left` | Backward a word |
| `Alt-b`, `Ctrl-Left` | Backward a word |
| `Ctrl-b`, `Left` | Backward a char |
| `Alt-f`, `Alt-Right` | Forward a word |
| `Alt-f`, `Ctrl-Right` | Forward a word |
| `Ctrl-f`, `Right` | Forward a char |
| `Ctrl-e`, `End` | Move prompt end |
| `Ctrl-a`, `Home` | Move prompt start |
| `Ctrl-w` | Delete previous word |
| `Alt-d` | Delete next word |
| `Ctrl-w`, `Alt-Backspace`, `Ctrl-Backspace` | Delete previous word |
| `Alt-d`, `Alt-Delete`, `Ctrl-Delete` | Delete next word |
| `Ctrl-u` | Delete to start of line |
| `Ctrl-k` | Delete to end of line |
| `backspace`, `Ctrl-h` | Delete previous char |
@ -380,4 +380,3 @@ # Prompt
| `Tab` | Select next completion item |
| `BackTab` | Select previous completion item |
| `Enter` | Open selected |

2
helix-term/src/application.rs
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@ -350,7 +350,7 @@ pub fn handle_config_events(&mut self, config_event: ConfigEvent) {
}
fn refresh_config(&mut self) {
let config = Config::load(helix_loader::config_file()).unwrap_or_else(|err| {
let config = Config::load_default().unwrap_or_else(|err| {
self.editor.set_error(err.to_string());
Config::default()
});

1
helix-term/src/keymap/default.rs
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@ -351,6 +351,7 @@ pub fn default() -> HashMap<Mode, Keymap> {
"C-w" => delete_word_backward,
"A-backspace" => delete_word_backward,
"A-d" => delete_word_forward,
"A-del" => delete_word_forward,
"C-s" => commit_undo_checkpoint,
"left" => move_char_left,

8
helix-term/src/ui/prompt.rs
View File

@ -477,14 +477,14 @@ fn handle_event(&mut self, event: Event, cx: &mut Context) -> EventResult {
(self.callback_fn)(cx, &self.line, PromptEvent::Abort);
return close_fn;
}
alt!('b') | alt!(Left) => self.move_cursor(Movement::BackwardWord(1)),
alt!('f') | alt!(Right) => self.move_cursor(Movement::ForwardWord(1)),
alt!('b') | ctrl!(Left) => self.move_cursor(Movement::BackwardWord(1)),
alt!('f') | ctrl!(Right) => self.move_cursor(Movement::ForwardWord(1)),
ctrl!('b') | key!(Left) => self.move_cursor(Movement::BackwardChar(1)),
ctrl!('f') | key!(Right) => self.move_cursor(Movement::ForwardChar(1)),
ctrl!('e') | key!(End) => self.move_end(),
ctrl!('a') | key!(Home) => self.move_start(),
ctrl!('w') => self.delete_word_backwards(cx),
alt!('d') => self.delete_word_forwards(cx),
ctrl!('w') | alt!(Backspace) | ctrl!(Backspace) => self.delete_word_backwards(cx),
alt!('d') | alt!(Delete) | ctrl!(Delete) => self.delete_word_forwards(cx),
ctrl!('k') => self.kill_to_end_of_line(cx),
ctrl!('u') => self.kill_to_start_of_line(cx),
ctrl!('h') | key!(Backspace) => {