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diff --git a/indra/llui/lluictrl.h b/indra/llui/lluictrl.h
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+++ b/indra/llui/lluictrl.h
@@ -0,0 +1,153 @@
+/** 
+ * @file lluictrl.h
+ * @author James Cook, Richard Nelson, Tom Yedwab
+ * @brief Abstract base class for UI controls
+ *
+ * Copyright (c) 2001-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+#ifndef LL_LLUICTRL_H
+#define LL_LLUICTRL_H
+
+#include "llview.h"
+#include "llrect.h"
+#include "llsd.h"
+
+//
+// Classes
+//
+class LLViewerImage;
+class LLFontGL;
+class LLButton;
+class LLTextBox;
+class LLLineEditor;
+class LLUICtrl;
+class LLPanel;
+class LLCtrlSelectionInterface;
+class LLCtrlListInterface;
+class LLCtrlScrollInterface;
+
+typedef void (*LLUICtrlCallback)(LLUICtrl* ctrl, void* userdata);
+typedef BOOL (*LLUICtrlValidate)(LLUICtrl* ctrl, void* userdata);
+
+class LLUICtrl
+: public LLView
+{
+public:
+	LLUICtrl();
+	LLUICtrl( const LLString& name, const LLRect& rect, BOOL mouse_opaque,
+		LLUICtrlCallback callback,
+		void* callback_userdata,
+		U32 reshape=FOLLOWS_NONE);
+	virtual ~LLUICtrl();
+
+	// LLView interface
+	//virtual BOOL	handleToolTip(S32 x, S32 y, LLString& msg, LLRect* sticky_rect);
+	virtual void	initFromXML(LLXMLNodePtr node, LLView* parent);
+	virtual LLXMLNodePtr getXML(bool save_children = true) const;
+
+	virtual LLSD	getValue() const { return LLSD(); }
+
+	// Defaults to no-op
+	virtual BOOL	setTextArg( const LLString& key, const LLString& text );
+
+	// Defaults to no-op
+	virtual BOOL	setLabelArg( const LLString& key, const LLString& text );
+
+	// Defaults to return NULL
+	virtual LLCtrlSelectionInterface* getSelectionInterface();
+	virtual LLCtrlListInterface* getListInterface();
+	virtual LLCtrlScrollInterface* getScrollInterface();
+
+	virtual void	setFocus( BOOL b );
+	virtual BOOL	hasFocus() const;
+
+	virtual void	setTabStop( BOOL b );
+	virtual BOOL	hasTabStop() const;
+
+	// Defaults to false
+	virtual BOOL	acceptsTextInput() const;
+
+	// Default to no-op
+	virtual void	onTabInto();
+	virtual void	clear();
+
+	virtual void	setIsChrome(BOOL is_chrome);
+	virtual BOOL	getIsChrome() const;
+
+	virtual void	onCommit();
+
+	virtual BOOL	isCtrl() const	{ return TRUE; }
+	// "Tentative" controls have a proposed value, but haven't committed
+	// it yet.  This is used when multiple objects are selected and we
+	// want to display a parameter that differs between the objects.
+	virtual void	setTentative(BOOL b);
+	virtual BOOL	getTentative() const;
+
+	// Returns containing panel/floater or NULL if none found.
+	LLPanel*		getParentPanel() const;
+
+	void*			getCallbackUserData() const								{ return mCallbackUserData; }
+	void			setCallbackUserData( void* data )						{ mCallbackUserData = data; }
+	
+	void			setCommitCallback( void (*cb)(LLUICtrl*, void*) )		{ mCommitCallback = cb; }
+	void			setValidateBeforeCommit( BOOL(*cb)(LLUICtrl*, void*) )	{ mValidateCallback = cb; }
+
+	// Defaults to no-op!
+	virtual	void	setDoubleClickCallback( void (*cb)(void*) );
+
+	// Defaults to no-op
+	virtual void	setColor(const LLColor4& color);
+
+	// Defaults to no-op
+	virtual void	setMinValue(LLSD min_value);
+	virtual void	setMaxValue(LLSD max_value);
+
+	// In general, only LLPanel uses these.
+	void			setFocusReceivedCallback( void (*cb)(LLUICtrl*, void*) )	{ mFocusReceivedCallback = cb; }
+	void			setFocusChangedCallback( void (*cb)(LLUICtrl*, void*) )		{ mFocusChangedCallback = cb; }
+
+	static void		onFocusLostCallback(LLUICtrl* old_focus);
+
+	/*virtual*/ BOOL focusFirstItem(BOOL prefer_text_fields = FALSE );
+
+	class LLTabStopPostFilter : public LLQueryFilter, public LLSingleton<LLTabStopPostFilter>
+	{
+		/*virtual*/ filterResult_t operator() (const LLView* const view, const viewList_t & children) const 
+		{
+			return filterResult_t(view->isCtrl() && static_cast<const LLUICtrl * const>(view)->hasTabStop() && children.size() == 0, TRUE);
+		}
+	};
+
+	class LLTextInputFilter : public LLQueryFilter, public LLSingleton<LLTextInputFilter>
+	{
+		/*virtual*/ filterResult_t operator() (const LLView* const view, const viewList_t & children) const 
+		{
+			return filterResult_t(view->isCtrl() && static_cast<const LLUICtrl * const>(view)->acceptsTextInput(), TRUE);
+		}
+	};
+
+protected:
+	virtual void	onFocusReceived();
+	virtual void	onFocusLost();
+	void			onChangeFocus( S32 direction );
+
+protected:
+
+	void			(*mCommitCallback)( LLUICtrl* ctrl, void* userdata );
+	void			(*mFocusReceivedCallback)( LLUICtrl* ctrl, void* userdata );
+	void			(*mFocusChangedCallback)( LLUICtrl* ctrl, void* userdata );
+	BOOL			(*mValidateCallback)( LLUICtrl* ctrl, void* userdata );
+
+	void*			mCallbackUserData;
+	BOOL			mTentative;
+	BOOL			mTabStop;
+
+private:
+	BOOL			mIsChrome;
+
+
+};
+
+#endif  // LL_LLUICTRL_H