From 64dc7f5d73a61799b885d6f274a167bb87f15fab Mon Sep 17 00:00:00 2001
From: Rasmus Karlsson <rasmus.karlsson@pajlada.com>
Date: Sat, 22 Jun 2019 13:04:31 +0200
Subject: [PATCH] Fix a bug with messages jumping if you were scrolled up

The bug appeared every 100 messages (so whenever a chunk was deleted)

To fix this, we only perform the first chunk offset increment if the
item we deleted was not the last item in a chunk
---
 src/messages/LimitedQueue.hpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/messages/LimitedQueue.hpp b/src/messages/LimitedQueue.hpp
index 2ed68fb47..61e8db56f 100644
--- a/src/messages/LimitedQueue.hpp
+++ b/src/messages/LimitedQueue.hpp
@@ -253,8 +253,6 @@ private:
 
         deleted = this->chunks_->front()->at(this->firstChunkOffset_);
 
-        this->firstChunkOffset_++;
-
         // need to delete the first chunk
         if (this->firstChunkOffset_ == this->chunks_->front()->size() - 1)
         {
@@ -275,6 +273,11 @@ private:
             this->chunks_ = newVector;
             this->firstChunkOffset_ = 0;
         }
+        else
+        {
+            this->firstChunkOffset_++;
+        }
+
         return true;
     }