bugfix: make sure len is in bounds of usize

This commit is contained in:
Henrik Friedrichsen
2019-03-24 01:02:08 +01:00
parent ab95e8f4b4
commit 2a7770177b

View File

@@ -45,8 +45,8 @@ impl<I: ListItem> ListView<I> {
}
pub fn move_focus_to(&mut self, target: usize) {
let len = self.content.read().unwrap().len();
self.selected = min(target, len - 1);
let len = self.content.read().unwrap().len().saturating_sub(1);
self.selected = min(target, len);
self.scrollbar.scroll_to(self.selected);
}