From aeb9d046a27929158565c21399205b3f06767f41 Mon Sep 17 00:00:00 2001
From: Manos Pitsidianakis <el13635@mail.ntua.gr>
Date: Fri, 15 Nov 2019 23:23:14 +0200
Subject: [PATCH] ui/ThreadListing: fix uninitialized array entry crash

If ThreadListing is uninitialized, self.locations is empty and
coordinates() would panic.
---
 ui/src/components/mail/listing/thread.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ui/src/components/mail/listing/thread.rs b/ui/src/components/mail/listing/thread.rs
index 862e28ad3..3d79a2971 100644
--- 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>)) {