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public/dme_controls/AttributeTextEntry.h

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+
+#ifndef ATTRIBUTETEXTENTRY_H
+#define ATTRIBUTETEXTENTRY_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "vgui_controls/TextEntry.h"
+#include "tier1/utlvector.h"
+
+
+//-----------------------------------------------------------------------------
+// Forward declarations
+//-----------------------------------------------------------------------------
+class CDmElement;
+class CAttributeTextPanel;
+class KeyValues;
+
+namespace vgui
+{
+	class IScheme;
+	class Label;
+	class Menu;
+}
+
+
+//-----------------------------------------------------------------------------
+// CAttributeTextEntry
+//-----------------------------------------------------------------------------
+class CAttributeTextEntry : public vgui::TextEntry
+{
+	DECLARE_CLASS_SIMPLE( CAttributeTextEntry, vgui::TextEntry );
+
+public:
+	CAttributeTextEntry( Panel *parent, const char *panelName );
+	virtual bool GetSelectedRange(int& cx0,int& cx1)
+	{
+		return BaseClass::GetSelectedRange( cx0, cx1 );
+	}
+
+protected:
+	CAttributeTextPanel *GetParentAttributePanel();
+	virtual void OnMouseWheeled( int delta );
+
+	// We'll only create an "undo" record if the values differ upon focus change
+	virtual void OnSetFocus();
+	virtual void OnKillFocus();
+	virtual void OnKeyCodeTyped( vgui::KeyCode code );
+
+	virtual void OnPanelDropped( CUtlVector< KeyValues * >& data  );
+	virtual bool GetDropContextMenu( vgui::Menu *menu, CUtlVector< KeyValues * >& msglist );
+	virtual bool IsDroppable( CUtlVector< KeyValues * >& msglist );
+
+	virtual void ApplySchemeSettings( vgui::IScheme *pScheme );
+
+	MESSAGE_FUNC_PARAMS( OnTextChanged, "TextChanged", data );
+
+private:
+	enum
+	{
+		MAX_TEXT_LENGTH = 1024
+	};
+
+    template<class T> void ApplyMouseWheel( T newValue, T originalValue );
+	void StoreInitialValue( bool bForce = false );
+	void WriteValueToAttribute();
+	void WriteInitialValueToAttribute();
+
+	bool				m_bValueStored;
+	char				m_szOriginalText[ MAX_TEXT_LENGTH ];
+	union
+	{
+		float			m_flOriginalValue;
+		int				m_nOriginalValue;
+		bool			m_bOriginalValue;
+	};
+};
+
+
+// ----------------------------------------------------------------------------
+#endif // ATTRIBUTETEXTENTRY_H