From 2cdd9b4ab6cfc878dafb88aa8446b12cf2f94278 Mon Sep 17 00:00:00 2001
From: Kahrl <kahrl@gmx.net>
Date: Tue, 23 Apr 2013 23:17:33 +0200
Subject: [PATCH] Chat: Keep scroll position constant in
ChatBuffer::deleteOldest()
---
src/chat.cpp | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/src/chat.cpp b/src/chat.cpp
index ab945444f..cebe31225 100644
--- a/src/chat.cpp
+++ b/src/chat.cpp
@@ -97,6 +97,8 @@ void ChatBuffer::step(f32 dtime)
void ChatBuffer::deleteOldest(u32 count)
{
+ bool at_bottom = (m_scroll == getBottomScrollPos());
+
u32 del_unformatted = 0;
u32 del_formatted = 0;
@@ -120,6 +122,11 @@ void ChatBuffer::deleteOldest(u32 count)
m_unformatted.erase(m_unformatted.begin(), m_unformatted.begin() + del_unformatted);
m_formatted.erase(m_formatted.begin(), m_formatted.begin() + del_formatted);
+
+ if (at_bottom)
+ m_scroll = getBottomScrollPos();
+ else
+ scrollAbsolute(m_scroll - del_formatted);
}
void ChatBuffer::deleteByAge(f32 maxAge)
--
GitLab