Fix possible panic in ListView

gyscos · Oct 15, 2017 · e7ee525 · e7ee525
1 parent 420454c
commit e7ee525
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/views/list_view.rs b/src/views/list_view.rs
@@ -231,6 +231,10 @@ impl ListView {
 
  // Now that we have a relative position, checks for buttons?
  let focus = position.y + self.scrollbase.start_line;
+ if focus >= self.children.len() {
+ return;
+ }
+
  if let ListChild::Row(_, ref mut view) = self.children[focus] {
  if view.take_focus(direction::Direction::none()) {
  self.focus = focus;