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diff --git a/indra/llui/llf32uictrl.h b/indra/llui/llf32uictrl.h
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+/**
+ * @file   llf32uictrl.h
+ * @author Nat Goodspeed
+ * @date   2008-09-08
+ * @brief  Base class for float-valued LLUICtrl widgets
+ * 
+ * $LicenseInfo:firstyear=2008&license=viewergpl$
+ * 
+ * Copyright (c) 2008-2009, 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.
+ * $/LicenseInfo$
+ */
+
+#if ! defined(LL_LLF32UICTRL_H)
+#define LL_LLF32UICTRL_H
+
+#include "lluictrl.h"
+
+class LLF32UICtrl: public LLUICtrl
+{
+public:
+    struct Params: public LLInitParam::Block<Params, LLUICtrl::Params>
+    {
+		Optional<F32>	min_value,
+						max_value,
+						increment;
+
+		Params()
+		:	min_value("min_val", 0.f),
+			max_value("max_val", 1.f),
+			increment("increment", 0.1f)
+        {}			
+    };
+
+protected:
+    LLF32UICtrl(const Params& p);
+
+public:
+	virtual F32		getValueF32() const;
+
+	virtual void	setValue(const LLSD& value ) { mViewModel->setValue(value); }
+	virtual LLSD	getValue() const		{ return LLSD(getValueF32()); }
+
+	virtual void	setMinValue(const LLSD& min_value)	{ setMinValue((F32)min_value.asReal()); }
+	virtual void	setMaxValue(const LLSD& max_value)	{ setMaxValue((F32)max_value.asReal()); }
+
+	virtual F32		getInitialValue() const { return mInitialValue; }
+	virtual F32		getMinValue() const		{ return mMinValue; }
+	virtual F32		getMaxValue() const		{ return mMaxValue; }
+	virtual F32		getIncrement() const	{ return mIncrement; }
+	virtual void	setMinValue(F32 min_value) { mMinValue = min_value; }
+	virtual void	setMaxValue(F32 max_value) { mMaxValue = max_value; }
+	virtual void	setIncrement(F32 increment) { mIncrement = increment;}
+
+protected:
+	F32				mInitialValue;
+	F32				mMinValue;
+	F32				mMaxValue;
+	F32				mIncrement;
+};
+
+#endif /* ! defined(LL_LLF32UICTRL_H) */