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Chat: Keep scroll position constant in ChatBuffer::deleteOldest()

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This commit is contained in:
Kahrl
2013-04-23 23:17:33 +02:00
committed by paramat
parent 0f6e4a0913
commit 2cdd9b4ab6
1 changed files with 7 additions and 0 deletions
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7
src/chat.cpp
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@@ -97,6 +97,8 @@ void ChatBuffer::step(f32 dtime)
void ChatBuffer::deleteOldest(u32 count) void ChatBuffer::deleteOldest(u32 count)
{ {
bool at_bottom = (m_scroll == getBottomScrollPos());
u32 del_unformatted = 0; u32 del_unformatted = 0;
u32 del_formatted = 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_unformatted.erase(m_unformatted.begin(), m_unformatted.begin() + del_unformatted);
m_formatted.erase(m_formatted.begin(), m_formatted.begin() + del_formatted); 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) void ChatBuffer::deleteByAge(f32 maxAge)