ui/ThreadListing: fix uninitialized array entry crash

If ThreadListing is uninitialized, self.locations is empty and coordinates() would panic.
2019-11-15 23:23:14 +02:00 · 2019-11-15 23:23:14 +02:00 · aeb9d046a2
parent 77936e0cd5
commit aeb9d046a2
1 changed files with 1 additions and 1 deletions
--- a/ui/src/components/mail/listing/thread.rs
+++ b/ui/src/components/mail/listing/thread.rs
@ -53,7 +53,7 @@ impl ListingTrait for ThreadListing {
        (
            self.new_cursor_pos.0,
            self.new_cursor_pos.1,
-            Some(self.locations[self.new_cursor_pos.2]),
+            self.locations.get(self.new_cursor_pos.2).map(|&k| k),
        )
    }
    fn set_coordinates(&mut self, coordinates: (usize, usize, Option<EnvelopeHash>)) {