TudbuT/helix-mods
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions 1

Picker: Don't panick at move_up/move_down when matches is empty (#818)

Browse source
This commit is contained in:
Leoi Hung Kin 2021-10-09 19:34:10 +08:00 committed by GitHub
parent eedcea7e6b
commit a6852fb88f
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 6 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
helix-term/src/ui/picker.rs
View file

@ -270,12 +270,18 @@ impl<T> Picker<T> {
} }
pub fn move_up(&mut self) { pub fn move_up(&mut self) {
if self.matches.is_empty() {
return;
}
let len = self.matches.len(); let len = self.matches.len();
let pos = ((self.cursor + len.saturating_sub(1)) % len) % len; let pos = ((self.cursor + len.saturating_sub(1)) % len) % len;
self.cursor = pos; self.cursor = pos;
} }
pub fn move_down(&mut self) { pub fn move_down(&mut self) {
if self.matches.is_empty() {
return;
}
let len = self.matches.len(); let len = self.matches.len();
let pos = (self.cursor + 1) % len; let pos = (self.cursor + 1) % len;
self.cursor = pos; self.cursor = pos;