Show error mark if message not received after 10 secs

lib/main.rb

@@ -280,11 +280,12 @@ private
           ),
 
           history: (state[:friends][friend_number][:history] + [
-            error: error,
-            out:   true,
-            time:  Time.now.utc.freeze,
-            name:  @tox_client.name.freeze,
-            text:  text,
+            error:    error,
+            out:      true,
+            received: false,
+            time:     Time.now.utc.freeze,
+            name:     @tox_client.name.freeze,
+            text:     text,
           ]).freeze,
         ).freeze,
       ).freeze,

lib/widgets/chat/history.rb

@@ -13,7 +13,14 @@ module Widgets
         offset = 0
 
         props[:messages].reverse_each do |msg|
-          offset += draw_message offset, msg[:error], msg[:out], msg[:time].strftime('%H:%M:%S'), msg[:name], msg[:text]
+          offset += draw_message(
+            offset,
+            msg[:error] || msg[:out] && !msg[:received] && Time.now.utc - msg[:time] > 10,
+            msg[:out],
+            msg[:time].strftime('%H:%M:%S'),
+            msg[:name],
+            msg[:text],
+          )
 
           break if offset >= props[:height]
         end