Add ctrl-w for prompt

This commit is contained in:
Ivan Tham 2021-06-13 01:00:50 +08:00 committed by Blaž Hrastnik
parent e819121f6e
commit 1bda454149
2 changed files with 27 additions and 0 deletions

View File

@ -94,6 +94,8 @@ pub fn cache_dir() -> std::path::PathBuf {
pub use tendril::StrTendril as Tendril;
pub use unicode_general_category::get_general_category;
#[doc(inline)]
pub use {regex, tree_sitter};

View File

@ -85,6 +85,27 @@ pub fn delete_char_backwards(&mut self) {
self.exit_selection();
}
pub fn delete_word_backwards(&mut self) {
use helix_core::get_general_category;
let mut chars = self.line.char_indices().rev();
// TODO add skipping whitespace logic here
let (mut i, cat) = match chars.next() {
Some((i, c)) => (i, get_general_category(c)),
None => return,
};
self.cursor -= 1;
for (nn, nc) in chars {
if get_general_category(nc) != cat {
break;
}
i = nn;
self.cursor -= 1;
}
self.line.drain(i..);
self.completion = (self.completion_fn)(&self.line);
self.exit_selection();
}
pub fn change_completion_selection(&mut self, direction: CompletionDirection) {
if self.completion.is_empty() {
return;
@ -270,6 +291,10 @@ fn handle_event(&mut self, event: Event, cx: &mut Context) -> EventResult {
code: KeyCode::Char('a'),
modifiers: KeyModifiers::CONTROL,
} => self.move_start(),
KeyEvent {
code: KeyCode::Char('w'),
modifiers: KeyModifiers::CONTROL,
} => self.delete_word_backwards(),
KeyEvent {
code: KeyCode::Backspace,
modifiers: KeyModifiers::NONE,