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ui: menu: Allow wrapping around on ctrl-p/shift tab

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This commit is contained in:
Blaž Hrastnik 2021-08-06 11:22:23 +09:00
parent 66a90130a5
commit b20a5c4c0e
1 changed files with 4 additions and 3 deletions
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7
helix-term/src/ui/menu.rs
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@ -89,14 +89,15 @@ impl<T: Item> Menu<T> {
}
pub fn move_up(&mut self) {
// TODO: wrap around to end
let pos = self.cursor.map_or(0, |i| i.saturating_sub(1)) % self.matches.len();
let len = self.matches.len();
let pos = self.cursor.map_or(0, |i| (i + len.saturating_sub(1)) % len) % len;
self.cursor = Some(pos);
self.adjust_scroll();
}
pub fn move_down(&mut self) {
let pos = self.cursor.map_or(0, |i| i + 1) % self.matches.len();
let len = self.matches.len();
let pos = self.cursor.map_or(0, |i| i + 1) % len;
self.cursor = Some(pos);
self.adjust_scroll();
}