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diff --git a/indra/llui/llmenubutton.h b/indra/llui/llmenubutton.h
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+/** 
+ * @file llbutton.h
+ * @brief Header for buttons
+ *
+ * $LicenseInfo:firstyear=2001&license=viewergpl$
+ * 
+ * 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 LL_LLMENUBUTTON_H
+#define LL_LLMENUBUTTON_H
+
+#include "llbutton.h"
+
+class LLMenuGL;
+
+class LLMenuButton
+: public LLButton
+{
+public:
+	struct Params 
+	:	public LLInitParam::Block<Params, LLButton::Params>
+	{
+		// filename for it's toggleable menu
+		Optional<std::string>	menu_filename;
+	
+		Params();
+	};	
+	
+	void toggleMenu();
+	/*virtual*/ void draw();
+	/*virtual*/ BOOL handleMouseDown(S32 x, S32 y, MASK mask);
+	/*virtual*/ BOOL handleKeyHere(KEY key, MASK mask );
+	void hideMenu();
+	LLMenuGL* getMenu() { return mMenu; }
+
+protected:
+	friend class LLUICtrlFactory;
+	LLMenuButton(const Params&);
+
+private:
+	LLMenuGL*	mMenu;
+	bool mMenuVisibleLastFrame;
+};
+
+
+#endif  // LL_LLMENUBUTTON_H