From 4e42bc75f65b050a381f61dc48e091482d56a395 Mon Sep 17 00:00:00 2001
From: Julian Smart <julian@anthemion.co.uk>
Date: Sun, 20 Apr 2008 19:06:39 +0000
Subject: [PATCH] Fix for slow first character insertion

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@53271 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 src/richtext/richtextbuffer.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/richtext/richtextbuffer.cpp b/src/richtext/richtextbuffer.cpp
index 41d219fedc..371caab562 100644
--- a/src/richtext/richtextbuffer.cpp
+++ b/src/richtext/richtextbuffer.cpp
@@ -6411,7 +6411,7 @@ bool wxRichTextAction::Do()
 
             m_buffer->InsertFragment(GetRange().GetStart(), m_newParagraphs);
             m_buffer->UpdateRanges();
-            m_buffer->Invalidate(wxRichTextRange(GetRange().GetStart()-1, GetRange().GetEnd()));
+            m_buffer->Invalidate(wxRichTextRange(wxMax(0, GetRange().GetStart()-1), GetRange().GetEnd()));
 
             long newCaretPosition = GetPosition() + m_newParagraphs.GetRange().GetLength();