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diff --git a/indra/newview/llchathistory.h b/indra/newview/llchathistory.h
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+/** 
+ * @file llchathistory.h
+ * @brief LLTextEditor base class
+ *
+ * $LicenseInfo:firstyear=2001&license=viewergpl$
+ * 
+ * Copyright (c) 2001-2009, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#ifndef LLCHATHISTORY_H_
+#define LLCHATHISTORY_H_
+
+#include "lltexteditor.h"
+#include "llchat.h"
+
+//Chat log widget allowing addition of a message as a widget 
+class LLChatHistory : public LLTextEditor
+{
+	public:
+		struct Params : public LLInitParam::Block<Params, LLTextEditor::Params>
+		{
+			//Message header filename
+			Optional<std::string>	message_header;
+			//Message separator filename
+			Optional<std::string>	message_separator;
+			//Text left padding from the scroll rect
+			Optional<S32>			left_text_pad;
+			//Text right padding from the scroll rect
+			Optional<S32>			right_text_pad;
+			//Widget left padding from the scroll rect
+			Optional<S32>			left_widget_pad;
+			//Widget right padding from the scroll rect
+			Optional<S32>			right_widget_pad;
+			//Separator top padding
+			Optional<S32>			top_separator_pad;
+			//Separator bottom padding
+			Optional<S32>			bottom_separator_pad;
+			//Header top padding
+			Optional<S32>			top_header_pad;
+			//Header bottom padding
+			Optional<S32>			bottom_header_pad;
+
+			Params()
+			:	message_header("message_header"),
+				message_separator("message_separator"),
+				left_text_pad("left_text_pad"),
+				right_text_pad("right_text_pad"),
+				left_widget_pad("left_widget_pad"),
+				right_widget_pad("right_widget_pad"),
+				top_separator_pad("top_separator_pad"),
+				bottom_separator_pad("bottom_separator_pad"),
+				top_header_pad("top_header_pad"),
+				bottom_header_pad("bottom_header_pad")
+				{
+				}
+
+		};
+	protected:
+		LLChatHistory(const Params&);
+		friend class LLUICtrlFactory;
+
+		/**
+		 * Redefinition of LLTextEditor::updateTextRect() to considerate text
+		 * left/right padding params.
+		 */
+		//virtual void	updateTextRect();
+		/**
+		 * Builds a message separator.
+		 * @return pointer to LLView separator object.
+		 */
+		LLView* getSeparator();
+		/**
+		 * Builds a message header.
+		 * @param from owner of a message.
+		 * @param time time of a message.
+		 * @return pointer to LLView header object.
+		 */
+		LLView* getHeader(const LLChat& chat);
+
+	public:
+		~LLChatHistory();
+
+		/**
+		 * Appends a widget message.
+		 * If last user appended message, concurs with current user,
+		 * separator is added before the message, otherwise header is added.
+		 * @param chat - base chat message.
+		 * @param time time of a message.
+		 * @param message message itself.
+		 */
+		void appendWidgetMessage(const LLChat& chat, LLStyle::Params& style_params);
+
+	private:
+		std::string mLastFromName;
+		std::string mMessageHeaderFilename;
+		std::string mMessageSeparatorFilename;
+
+		S32 mLeftTextPad;
+		S32 mRightTextPad;
+
+		S32 mLeftWidgetPad;
+		S32 mRightWidgetPad;
+
+		S32 mTopSeparatorPad;
+		S32 mBottomSeparatorPad;
+		S32 mTopHeaderPad;
+		S32 mBottomHeaderPad;
+};
+#endif /* LLCHATHISTORY_H_ */