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+/** 
+ * @file llchatmsgbox.h
+ * @author Martin Reddy
+ * @brief chat history text box, able to show array of strings with separator
+ *
+ * $LicenseInfo:firstyear=2009&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLCHATMSGBOX_H
+#define LL_LLCHATMSGBOX_H
+
+#include "lltextbox.h"
+#include "lluictrl.h"
+#include "v4color.h"
+#include "llstring.h"
+
+///
+/// LLChatMsgBox provides a text box with support for multiple blocks
+/// of text that can be added incrementally. Each block of text is
+/// visual separated from the previous block (e.g., with a horizontal
+/// line).
+///
+class LLChatMsgBox :
+	public LLTextBox
+{
+public:
+	struct Params : public LLInitParam::Block<Params, LLTextBox::Params>
+	{
+		Optional<S32>	block_spacing;
+
+		Params();
+	};
+
+protected:
+	LLChatMsgBox(const Params&);
+	friend class LLUICtrlFactory;
+
+public:
+	void				addText(const LLStringExplicit &text, const LLStyle::Params& input_params = LLStyle::Params());
+	
+private:
+	S32					mBlockSpacing;
+};
+
+#endif
+