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feat: Add basic emac keybindings to input

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Francis Chua 2023-11-06 17:54:18 +00:00 • committed by sxyazi
parent 1a0753367e
commit a76664a6fa
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1 changed files with 24 additions and 6 deletions
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30
yazi-core/src/input/input.rs
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@ -56,7 +56,13 @@ impl Input {
} }
match key { match key {
Key { code: KeyCode::Backspace, shift: false, ctrl: false, alt: false } => self.backspace(), Key { code: KeyCode::Backspace, shift: false, ctrl: false, alt: false } => self.backspace(false),
// Handle Emacs-style keybindings.
Key { code: KeyCode::Char('a'), shift: false, ctrl: true, alt: false } => self.move_(isize::MIN),
Key { code: KeyCode::Char('e'), shift: false, ctrl: true, alt: false } => self.move_(isize::MAX),
Key { code: KeyCode::Char('d'), shift: false, ctrl: true, alt: false } => self.backspace(true),
Key { code: KeyCode::Char('b'), shift: false, ctrl: false, alt: true } => self.backward(),
Key { code: KeyCode::Char('f'), shift: false, ctrl: false, alt: true } => self.forward(false),
_ => false, _ => false,
} }
} }
@ -74,15 +80,27 @@ impl Input {
true true
} }
pub fn backspace(&mut self) -> bool { pub fn backspace(&mut self, forward_delete: bool) -> bool {
let snap = self.snaps.current_mut(); let snap = self.snaps.current_mut();
if snap.cursor < 1 { if forward_delete {
return false; // Return false when there is no character on the right to delete.
// Note that the cursor can be at index `snap.value.len()` when in
// edit mode.
if snap.cursor > snap.value.len() - 1 {
return false;
} else {
snap.value.remove(snap.idx(snap.cursor).unwrap());
}
self.move_(0);
} else { } else {
snap.value.remove(snap.idx(snap.cursor - 1).unwrap()); if snap.cursor < 1 {
return false;
} else {
snap.value.remove(snap.idx(snap.cursor - 1).unwrap());
}
self.move_(-1);
} }
self.move_(-1);
self.flush_value(); self.flush_value();
true true
} }