diff --git a/sip/qt/qcdestyle.sip b/sip/qt/qcdestyle.sip
index 2a6fcf4..27b714e 100644
--- a/sip/qt/qcdestyle.sip
+++ b/sip/qt/qcdestyle.sip
@@ -51,14 +51,14 @@ public:
 				    const TQColorGroup &,bool,bool = 0,bool = 1);
 %End
 %If (TQt_3_0_0 -)
-	int pixelMetric(PixelMetric,TQStyleControlElementData,ControlElementFlags,const TQWidget * = 0) const;
+	int pixelMetric(PixelMetric,const TQStyleControlElementData&,ControlElementFlags,const TQWidget * = 0) const;
  
-	void drawControl(ControlElement,TQPainter *,TQStyleControlElementData,ControlElementFlags,
+	void drawControl(ControlElement,TQPainter *,const TQStyleControlElementData&,ControlElementFlags,
 			 const TQRect &,const TQColorGroup &,
 			 SFlags = Style_Default,
 			 const TQStyleOption & = TQStyleOption(),const TQWidget *=0) const;
  
-	void drawPrimitive(PrimitiveElement,TQPainter *,TQStyleControlElementData,ControlElementFlags,const TQRect &,
+	void drawPrimitive(PrimitiveElement,TQPainter *,const TQStyleControlElementData&,ControlElementFlags,const TQRect &,
 			   const TQColorGroup &,SFlags = Style_Default,
 			   const TQStyleOption & = TQStyleOption()) const;
 %End
diff --git a/sip/qt/qcommonstyle.sip b/sip/qt/qcommonstyle.sip
index 3fd18ab..abca370 100644
--- a/sip/qt/qcommonstyle.sip
+++ b/sip/qt/qcommonstyle.sip
@@ -79,47 +79,47 @@ public:
 %If (TQt_3_0_0 -)
 	TQCommonStyle();
 
-	void drawPrimitive(PrimitiveElement,TQPainter *,TQStyleControlElementData,ControlElementFlags,const TQRect &,
+	void drawPrimitive(PrimitiveElement,TQPainter *,const TQStyleControlElementData&,ControlElementFlags,const TQRect &,
 			   const TQColorGroup &,SFlags = Style_Default,
 			   const TQStyleOption& = TQStyleOption()) const;
 
-	void drawControl(ControlElement,TQPainter *,TQStyleControlElementData,ControlElementFlags,
+	void drawControl(ControlElement,TQPainter *,const TQStyleControlElementData&,ControlElementFlags,
 			 const TQRect &,const TQColorGroup &,
 			 SFlags = Style_Default,
 			 const TQStyleOption & = TQStyleOption(), const TQWidget *=0) const;
 
-	void drawControlMask(ControlElement,TQPainter *,TQStyleControlElementData,ControlElementFlags,
+	void drawControlMask(ControlElement,TQPainter *,const TQStyleControlElementData&,ControlElementFlags,
 			     const TQRect &,
 			     const TQStyleOption & = TQStyleOption(), const TQWidget *=0) const;
 
-	TQRect subRect(SubRect,const TQStyleControlElementData, const ControlElementFlags,const TQWidget *) const;
+	TQRect subRect(SubRect,const const TQStyleControlElementData&, const ControlElementFlags,const TQWidget *) const;
 
-	void drawComplexControl(ComplexControl,TQPainter *,TQStyleControlElementData,ControlElementFlags,
+	void drawComplexControl(ComplexControl,TQPainter *,const TQStyleControlElementData&,ControlElementFlags,
 				const TQRect &,const TQColorGroup &,
 				SFlags = Style_Default,SCFlags = SC_All,
 				SCFlags = SC_None,
 				const TQStyleOption & = TQStyleOption(),const TQWidget *=0) const;
 
-	void drawComplexControlMask(ComplexControl,TQPainter *,const TQStyleControlElementData,const ControlElementFlags,
+	void drawComplexControlMask(ComplexControl,TQPainter *,const const TQStyleControlElementData&,const ControlElementFlags,
 				    const TQRect &,
 				    const TQStyleOption & = TQStyleOption(), const TQWidget *=0) const;
 
-	TQRect querySubControlMetrics(ComplexControl,TQStyleControlElementData,ControlElementFlags,SubControl,
+	TQRect querySubControlMetrics(ComplexControl,const TQStyleControlElementData&,ControlElementFlags,SubControl,
 				     const TQStyleOption & = TQStyleOption(), const TQWidget *=0) const;
 
-	SubControl querySubControl(ComplexControl,TQStyleControlElementData,ControlElementFlags,
+	SubControl querySubControl(ComplexControl,const TQStyleControlElementData&,ControlElementFlags,
 				   const TQPoint &,
 				   const TQStyleOption & = TQStyleOption(),const TQWidget *=0) const;
 
-	int pixelMetric(PixelMetric,TQStyleControlElementData,ControlElementFlags,const TQWidget * = 0) const;
+	int pixelMetric(PixelMetric,const TQStyleControlElementData&,ControlElementFlags,const TQWidget * = 0) const;
 
-	TQSize sizeFromContents(ContentsType,TQStyleControlElementData,ControlElementFlags,const TQSize &,
+	TQSize sizeFromContents(ContentsType,const TQStyleControlElementData&,ControlElementFlags,const TQSize &,
 			       const TQStyleOption & = TQStyleOption(),const TQWidget *=0) const;
 
-	int styleHint(StyleHint,TQStyleControlElementData,ControlElementFlags,const TQStyleOption &,
+	int styleHint(StyleHint,const TQStyleControlElementData&,ControlElementFlags,const TQStyleOption &,
 		      TQStyleHintReturn *,const TQWidget *=0) const;
 
-	TQPixmap stylePixmap(StylePixmap,TQStyleControlElementData,ControlElementFlags,
+	TQPixmap stylePixmap(StylePixmap,const TQStyleControlElementData&,ControlElementFlags,
 			    const TQStyleOption & = TQStyleOption(), const TQWidget * = 0) const;
 
 %End
diff --git a/sip/qt/qmotifplusstyle.sip b/sip/qt/qmotifplusstyle.sip
index 39877dd..4ff865c 100644
--- a/sip/qt/qmotifplusstyle.sip
+++ b/sip/qt/qmotifplusstyle.sip
@@ -68,11 +68,11 @@ public:
 %End
 
 	void polish(TQPalette &pal);
-	void polish(TQStyleControlElementData, ControlElementFlags, void *);
-	void unPolish(TQStyleControlElementData, ControlElementFlags, void *);
+	void polish(const TQStyleControlElementData&, ControlElementFlags, void *);
+	void unPolish(const TQStyleControlElementData&, ControlElementFlags, void *);
 	
-	void applicationPolish(TQStyleControlElementData, ControlElementFlags, void *);
-	void applicationUnPolish(TQStyleControlElementData, ControlElementFlags, void *);
+	void applicationPolish(const TQStyleControlElementData&, ControlElementFlags, void *);
+	void applicationUnPolish(const TQStyleControlElementData&, ControlElementFlags, void *);
 
 %If (- TQt_3_0_0)
 	int defaultFrameWidth() const;
@@ -113,30 +113,30 @@ public:
 			      TQCOORD,Orientation);
 %End
 %If (TQt_3_0_0 -)
-	void drawPrimitive(PrimitiveElement,TQPainter *,TQStyleControlElementData,ControlElementFlags,const TQRect &,
+	void drawPrimitive(PrimitiveElement,TQPainter *,const TQStyleControlElementData&,ControlElementFlags,const TQRect &,
 			   const TQColorGroup &,SFlags = Style_Default,
 			   const TQStyleOption & = TQStyleOption()) const;
  
-	void drawControl(ControlElement,TQPainter *,TQStyleControlElementData,ControlElementFlags,
+	void drawControl(ControlElement,TQPainter *,const TQStyleControlElementData&,ControlElementFlags,
 			 const TQRect &,const TQColorGroup &,
 			 SFlags = Style_Default,
 			 const TQStyleOption & = TQStyleOption(), const TQWidget *=0) const;
  
-	TQRect subRect(SubRect,const TQStyleControlElementData, const ControlElementFlags,const TQWidget *) const;
+	TQRect subRect(SubRect,const const TQStyleControlElementData&, const ControlElementFlags,const TQWidget *) const;
  
-	void drawComplexControl(ComplexControl,TQPainter *,TQStyleControlElementData,ControlElementFlags,
+	void drawComplexControl(ComplexControl,TQPainter *,const TQStyleControlElementData&,ControlElementFlags,
 				const TQRect &,const TQColorGroup &,
 				SFlags = Style_Default,SCFlags = SC_All,
 				SCFlags = SC_None,
 				const TQStyleOption & = TQStyleOption(),const TQWidget *=0) const; 
 
-	TQRect querySubControlMetrics(ComplexControl,TQStyleControlElementData,ControlElementFlags,
+	TQRect querySubControlMetrics(ComplexControl,const TQStyleControlElementData&,ControlElementFlags,
 				     SubControl,
 				     const TQStyleOption & = TQStyleOption(), const TQWidget *=0) const;
  
-	int pixelMetric(PixelMetric,TQStyleControlElementData,ControlElementFlags,const TQWidget * = 0) const;
+	int pixelMetric(PixelMetric,const TQStyleControlElementData&,ControlElementFlags,const TQWidget * = 0) const;
  
-	int styleHint(StyleHint,TQStyleControlElementData,ControlElementFlags,
+	int styleHint(StyleHint,const TQStyleControlElementData&,ControlElementFlags,
 		      const TQStyleOption & = TQStyleOption(),
 		      TQStyleHintReturn * = 0, const TQWidget * = 0) const;
 %End
diff --git a/sip/qt/qmotifstyle.sip b/sip/qt/qmotifstyle.sip
index 0613e66..bf04781 100644
--- a/sip/qt/qmotifstyle.sip
+++ b/sip/qt/qmotifstyle.sip
@@ -69,10 +69,10 @@ public:
 	bool useHighlightColors() const;
 
 	void polish( TQPalette& );
-	void polish( TQStyleControlElementData, ControlElementFlags, void * );
-	void applicationPolish( TQStyleControlElementData, ControlElementFlags, void * );
+	void polish( const TQStyleControlElementData&, ControlElementFlags, void * );
+	void applicationPolish( const TQStyleControlElementData&, ControlElementFlags, void * );
 	
-	void polishPopupMenu( TQStyleControlElementData, ControlElementFlags, void * );
+	void polishPopupMenu( const TQStyleControlElementData&, ControlElementFlags, void * );
 
 %If (- TQt_3_0_0)
 	void drawButton(TQPainter *,int,int,int,int,const TQColorGroup &,bool = 0,
@@ -125,35 +125,35 @@ public:
 			       const TQPalette &,bool,bool,int,int,int,int);
 %End
 %If (TQt_3_0_0 -)
-	void drawPrimitive(PrimitiveElement,TQPainter *,TQStyleControlElementData,ControlElementFlags,const TQRect &,
+	void drawPrimitive(PrimitiveElement,TQPainter *,const TQStyleControlElementData&,ControlElementFlags,const TQRect &,
 			   const TQColorGroup &,SFlags = Style_Default,
 			   const TQStyleOption & = TQStyleOption()) const;
  
-	void drawControl(ControlElement,TQPainter *,TQStyleControlElementData,ControlElementFlags,
+	void drawControl(ControlElement,TQPainter *,const TQStyleControlElementData&,ControlElementFlags,
 			 const TQRect &,const TQColorGroup &,
 			 SFlags = Style_Default,
 			 const TQStyleOption & = TQStyleOption(), const TQWidget *=0) const;
  
-	void drawComplexControl(ComplexControl,TQPainter *,TQStyleControlElementData,ControlElementFlags,
+	void drawComplexControl(ComplexControl,TQPainter *,const TQStyleControlElementData&,ControlElementFlags,
 				const TQRect &,const TQColorGroup &,
 				SFlags = Style_Default,SCFlags = SC_All,
 				SCFlags = SC_None,
 				const TQStyleOption & = TQStyleOption(),const TQWidget *=0) const;
  
-	TQRect querySubControlMetrics(ComplexControl,TQStyleControlElementData,ControlElementFlags,SubControl,
+	TQRect querySubControlMetrics(ComplexControl,const TQStyleControlElementData&,ControlElementFlags,SubControl,
 				     const TQStyleOption & = TQStyleOption(), const TQWidget *=0) const;
  
-	int pixelMetric(PixelMetric,TQStyleControlElementData,ControlElementFlags,const TQWidget * = 0) const;
+	int pixelMetric(PixelMetric,const TQStyleControlElementData&,ControlElementFlags,const TQWidget * = 0) const;
  
-	TQSize sizeFromContents(ContentsType,TQStyleControlElementData,ControlElementFlags,const TQSize &,
+	TQSize sizeFromContents(ContentsType,const TQStyleControlElementData&,ControlElementFlags,const TQSize &,
 			       const TQStyleOption & = TQStyleOption(),const TQWidget *=0) const; 
 
-	TQRect subRect(SubRect,const TQStyleControlElementData, const ControlElementFlags,const TQWidget *) const;
+	TQRect subRect(SubRect,const const TQStyleControlElementData&, const ControlElementFlags,const TQWidget *) const;
  
-	TQPixmap stylePixmap(StylePixmap,TQStyleControlElementData,ControlElementFlags,
+	TQPixmap stylePixmap(StylePixmap,const TQStyleControlElementData&,ControlElementFlags,
 			    const TQStyleOption & = TQStyleOption(), const TQWidget * = 0) const;
  
-	int styleHint(StyleHint,TQStyleControlElementData,ControlElementFlags,
+	int styleHint(StyleHint,const TQStyleControlElementData&,ControlElementFlags,
 		      const TQStyleOption & = TQStyleOption(),
 		      TQStyleHintReturn * = 0, const TQWidget * = 0) const;
 %End
diff --git a/sip/qt/qplatinumstyle.sip b/sip/qt/qplatinumstyle.sip
index 6731506..a105f47 100644
--- a/sip/qt/qplatinumstyle.sip
+++ b/sip/qt/qplatinumstyle.sip
@@ -94,27 +94,27 @@ public:
 			       const TQPalette &,bool,bool,int,int,int,int);
 %End
 %If (TQt_3_0_0 -)
-	void drawPrimitive(PrimitiveElement,TQPainter *,TQStyleControlElementData,ControlElementFlags,const TQRect &,
+	void drawPrimitive(PrimitiveElement,TQPainter *,const TQStyleControlElementData&,ControlElementFlags,const TQRect &,
 			   const TQColorGroup &,SFlags = Style_Default,
 			   const TQStyleOption & = TQStyleOption()) const;
  
-	void drawControl(ControlElement,TQPainter *,TQStyleControlElementData,ControlElementFlags,
+	void drawControl(ControlElement,TQPainter *,const TQStyleControlElementData&,ControlElementFlags,
 			 const TQRect &,const TQColorGroup &,
 			 SFlags = Style_Default,
 			 const TQStyleOption & = TQStyleOption(), const TQWidget *=0) const;
  
-	void drawComplexControl(ComplexControl,TQPainter *,TQStyleControlElementData,ControlElementFlags,
+	void drawComplexControl(ComplexControl,TQPainter *,const TQStyleControlElementData&,ControlElementFlags,
 				const TQRect &,const TQColorGroup &,
 				SFlags = Style_Default,SCFlags = SC_All,
 				SCFlags = SC_None,
 				const TQStyleOption & = TQStyleOption(),const TQWidget *=0) const;
  
-	TQRect querySubControlMetrics(ComplexControl,TQStyleControlElementData,ControlElementFlags,SubControl,
+	TQRect querySubControlMetrics(ComplexControl,const TQStyleControlElementData&,ControlElementFlags,SubControl,
 				     const TQStyleOption & = TQStyleOption(), const TQWidget *=0) const;
  
-	int pixelMetric(PixelMetric,TQStyleControlElementData,ControlElementFlags,const TQWidget * = 0) const;
+	int pixelMetric(PixelMetric,const TQStyleControlElementData&,ControlElementFlags,const TQWidget * = 0) const;
  
-	TQRect subRect(SubRect,const TQStyleControlElementData, const ControlElementFlags,const TQWidget *) const;
+	TQRect subRect(SubRect,const const TQStyleControlElementData&, const ControlElementFlags,const TQWidget *) const;
 %End
 
 protected:
diff --git a/sip/qt/qsgistyle.sip b/sip/qt/qsgistyle.sip
index d84bfd7..433c3c3 100644
--- a/sip/qt/qsgistyle.sip
+++ b/sip/qt/qsgistyle.sip
@@ -52,10 +52,10 @@ class TQSGIStyle : TQMotifStyle
 public:
 	TQSGIStyle(bool = 0);
 
-	void polish( TQStyleControlElementData, ControlElementFlags, void * );
-	void unPolish( TQStyleControlElementData, ControlElementFlags, void * );
-	void applicationPolish( TQStyleControlElementData, ControlElementFlags, void * );
-	void applicationUnPolish( TQStyleControlElementData, ControlElementFlags, void * );
+	void polish( const TQStyleControlElementData&, ControlElementFlags, void * );
+	void unPolish( const TQStyleControlElementData&, ControlElementFlags, void * );
+	void applicationPolish( const TQStyleControlElementData&, ControlElementFlags, void * );
+	void applicationUnPolish( const TQStyleControlElementData&, ControlElementFlags, void * );
 
 %If (- TQt_3_0_0)
 	void polish(TQPalette &);
@@ -119,29 +119,29 @@ public:
 			     TQColorGroup &,bool,bool);
 %End
 %If (TQt_3_0_0 -)
-	void drawPrimitive(PrimitiveElement,TQPainter *,TQStyleControlElementData,ControlElementFlags,const TQRect &,
+	void drawPrimitive(PrimitiveElement,TQPainter *,const TQStyleControlElementData&,ControlElementFlags,const TQRect &,
 			   const TQColorGroup &,SFlags = Style_Default,
 			   const TQStyleOption & = TQStyleOption()) const;
  
-	void drawControl(ControlElement,TQPainter *,TQStyleControlElementData,ControlElementFlags,
+	void drawControl(ControlElement,TQPainter *,const TQStyleControlElementData&,ControlElementFlags,
 			 const TQRect &,const TQColorGroup &,
 			 SFlags = Style_Default,
 			 const TQStyleOption & = TQStyleOption(), const TQWidget *=0) const;
  
-	void drawComplexControl(ComplexControl,TQPainter *,TQStyleControlElementData,ControlElementFlags,
+	void drawComplexControl(ComplexControl,TQPainter *,const TQStyleControlElementData&,ControlElementFlags,
 				const TQRect &,const TQColorGroup &,
 				SFlags = Style_Default,SCFlags = SC_All,
 				SCFlags = SC_None,
 				const TQStyleOption & = TQStyleOption(),const TQWidget *=0) const; 
 
-	int pixelMetric(PixelMetric,TQStyleControlElementData,ControlElementFlags,const TQWidget * = 0) const;
+	int pixelMetric(PixelMetric,const TQStyleControlElementData&,ControlElementFlags,const TQWidget * = 0) const;
 
-	TQSize sizeFromContents(ContentsType,TQStyleControlElementData,ControlElementFlags,const TQSize &,
+	TQSize sizeFromContents(ContentsType,const TQStyleControlElementData&,ControlElementFlags,const TQSize &,
 			       const TQStyleOption & = TQStyleOption(),const TQWidget *=0) const;
 
-	TQRect subRect(SubRect,const TQStyleControlElementData, const ControlElementFlags,const TQWidget *) const;
+	TQRect subRect(SubRect,const const TQStyleControlElementData&, const ControlElementFlags,const TQWidget *) const;
  
-	TQRect querySubControlMetrics(ComplexControl,TQStyleControlElementData,ControlElementFlags,
+	TQRect querySubControlMetrics(ComplexControl,const TQStyleControlElementData&,ControlElementFlags,
 				     SubControl,
 				     const TQStyleOption & = TQStyleOption(), const TQWidget *=0) const;
 %End
diff --git a/sip/qt/qstyle.sip b/sip/qt/qstyle.sip
index 57d752c..f83f69e 100644
--- a/sip/qt/qstyle.sip
+++ b/sip/qt/qstyle.sip
@@ -232,16 +232,16 @@ public:
 	virtual void unPolish(TQStyleControlElementData ceData, ControlElementFlags, void *);
 
 	virtual void polish(TQApplication *);
-	virtual void applicationPolish(TQStyleControlElementData, ControlElementFlags, void *);
+	virtual void applicationPolish(const TQStyleControlElementData&, ControlElementFlags, void *);
 
 	virtual void unPolish(TQApplication *);
-	virtual void applicationUnPolish(TQStyleControlElementData, ControlElementFlags, void *);
+	virtual void applicationUnPolish(const TQStyleControlElementData&, ControlElementFlags, void *);
 
 	virtual void polish(TQPalette &);
 
 %If (TQt_3_0_0 -)
 	virtual void polishPopupMenu(TQPopupMenu *) = 0;
-	virtual void polishPopupMenu(TQStyleControlElementData, ControlElementFlags, void *) = 0;
+	virtual void polishPopupMenu(const TQStyleControlElementData&, ControlElementFlags, void *) = 0;
 %End
 
 %If (- TQt_3_0_0)
@@ -914,7 +914,7 @@ public:
 	// New API
 	virtual void drawPrimitive( PrimitiveElement,
 		TQPainter*,
-		TQStyleControlElementData,
+		const TQStyleControlElementData&,
 		ControlElementFlags,
 		const TQRect&,
 		const TQColorGroup&,
@@ -923,7 +923,7 @@ public:
 	
 	virtual void drawControl( ControlElement element,
 		TQPainter*,
-		TQStyleControlElementData,
+		const TQStyleControlElementData&,
 		ControlElementFlags,
 		const TQRect&,
 		const TQColorGroup&,
@@ -933,17 +933,17 @@ public:
 	
 	virtual void drawControlMask( ControlElement element,
 		TQPainter*,
-		TQStyleControlElementData,
+		const TQStyleControlElementData&,
 		ControlElementFlags,
 		const TQRect&,
 		const TQStyleOption& = TQStyleOption::Default,
 		const TQWidget* = 0 /* compat, will likely go away */ ) const = 0;
 	
-	virtual TQRect subRect( SubRect, const TQStyleControlElementData, const ControlElementFlags, const TQWidget* ) const = 0;
+	virtual TQRect subRect( SubRect, const const TQStyleControlElementData&, const ControlElementFlags, const TQWidget* ) const = 0;
 
 	virtual void drawComplexControl( ComplexControl,
 		TQPainter*,
-		TQStyleControlElementData,
+		const TQStyleControlElementData&,
 		ControlElementFlags,
 		const TQRect&,
 		const TQColorGroup&,
@@ -955,40 +955,40 @@ public:
 	
 	virtual void drawComplexControlMask( ComplexControl,
 		TQPainter*,
-		const TQStyleControlElementData,
+		const const TQStyleControlElementData&,
 		const ControlElementFlags,
 		const TQRect&,
 		const TQStyleOption& = TQStyleOption::Default,
 		const TQWidget* = 0 ) const = 0;
 	
 	virtual TQRect querySubControlMetrics( ComplexControl,
-		TQStyleControlElementData,
+		const TQStyleControlElementData&,
 		ControlElementFlags,
 		SubControl,
 		const TQStyleOption& = TQStyleOption::Default,
 		const TQWidget* = 0 ) const = 0;
 	
 	virtual SubControl querySubControl( ComplexControl,
-		TQStyleControlElementData,
+		const TQStyleControlElementData&,
 		ControlElementFlags,
 		const TQPoint&,
 		const TQStyleOption& = TQStyleOption::Default,
 		const TQWidget* = 0 ) const = 0;
 	
 	virtual int pixelMetric( PixelMetric,
-		TQStyleControlElementData,
+		const TQStyleControlElementData&,
 		ControlElementFlags,
 		const TQWidget* = 0 ) const = 0;
 	
 	virtual TQSize sizeFromContents( ContentsType,
-		TQStyleControlElementData,
+		const TQStyleControlElementData&,
 		ControlElementFlags,
 		const TQSize&,
 		const TQStyleOption& = TQStyleOption::Default,
 		const TQWidget* = 0 ) const = 0;
 	
 	virtual int styleHint( StyleHint,
-		TQStyleControlElementData,
+		const TQStyleControlElementData&,
 		ControlElementFlags,
 		const TQStyleOption& = TQStyleOption::Default,
 		TQStyleHintReturn* returnData = 0,
@@ -996,23 +996,23 @@ public:
 		) const = 0;
 	
 	virtual TQPixmap stylePixmap( StylePixmap,
-		TQStyleControlElementData,
+		const TQStyleControlElementData&,
 		ControlElementFlags,
 		const TQStyleOption& = TQStyleOption::Default,
 		const TQWidget* = 0 ) const = 0;
 	
-	static TQRect visualRect( const TQRect&, const TQStyleControlElementData, const ControlElementFlags );
+	static TQRect visualRect( const TQRect&, const const TQStyleControlElementData&, const ControlElementFlags );
 	
 	typedef TQMap<void*, TQStyle*> ObjectEventSourceToHandlerMap;
 	typedef TQMap<void*, TQStyleControlElementData> ObjectEventSourceDataToHandlerMap;
 	typedef TQMap<void*, ControlElementFlags> ObjectEventSourceFlagsToHandlerMap;
-	typedef bool (*EventHandlerInstallationHook)(TQStyleControlElementData, ControlElementFlags, void*, TQStyle*);
-	typedef bool (*EventHandlerRemovalHook)(TQStyleControlElementData, ControlElementFlags, void*, TQStyle*);
-	void installObjectEventHandler( TQStyleControlElementData, ControlElementFlags, void*, TQStyle* );
-	void removeObjectEventHandler( TQStyleControlElementData, ControlElementFlags, void*, TQStyle* );
+	typedef bool (*EventHandlerInstallationHook)(const TQStyleControlElementData&, ControlElementFlags, void*, TQStyle*);
+	typedef bool (*EventHandlerRemovalHook)(const TQStyleControlElementData&, ControlElementFlags, void*, TQStyle*);
+	void installObjectEventHandler( const TQStyleControlElementData&, ControlElementFlags, void*, TQStyle* );
+	void removeObjectEventHandler( const TQStyleControlElementData&, ControlElementFlags, void*, TQStyle* );
 	//void setEventHandlerInstallationHook( EventHandlerInstallationHook );
 	//void setEventHandlerRemovalHook( EventHandlerRemovalHook hook );
-	virtual bool objectEventHandler( TQStyleControlElementData, ControlElementFlags, void*, TQEvent * );
+	virtual bool objectEventHandler( const TQStyleControlElementData&, ControlElementFlags, void*, TQEvent * );
 	
 	enum WidgetActionRequest {
 		WAR_Repaint,
@@ -1033,18 +1033,18 @@ public:
 		WAR_RepaintAllAccelerators
 	};
 	
-	typedef bool (*WidgetActionRequestHook)(TQStyleControlElementData, ControlElementFlags, void*, WidgetActionRequest, TQStyleWidgetActionRequestData);
+	typedef bool (*WidgetActionRequestHook)(const TQStyleControlElementData&, ControlElementFlags, void*, WidgetActionRequest, TQStyleWidgetActionRequestData);
 	//void setWidgetActionRequestHook( WidgetActionRequestHook );
-	virtual bool widgetActionRequest( TQStyleControlElementData, ControlElementFlags, void*, WidgetActionRequest, TQStyleWidgetActionRequestData = TQStyleWidgetActionRequestData() );
+	virtual bool widgetActionRequest( const TQStyleControlElementData&, ControlElementFlags, void*, WidgetActionRequest, TQStyleWidgetActionRequestData = TQStyleWidgetActionRequestData() );
 	
 	enum ApplicationActionRequest {
 		AAR_SetPalette,
 		AAR_SetFont
 	};
 	
-	typedef bool (*ApplicationActionRequestHook)(TQStyleControlElementData, ControlElementFlags, void*, ApplicationActionRequest, TQStyleApplicationActionRequestData);
+	typedef bool (*ApplicationActionRequestHook)(const TQStyleControlElementData&, ControlElementFlags, void*, ApplicationActionRequest, TQStyleApplicationActionRequestData);
 	//void setApplicationActionRequestHook( ApplicationActionRequestHook );
-	virtual bool applicationActionRequest( TQStyleControlElementData, ControlElementFlags, void*, ApplicationActionRequest, TQStyleApplicationActionRequestData = TQStyleApplicationActionRequestData() );
+	virtual bool applicationActionRequest( const TQStyleControlElementData&, ControlElementFlags, void*, ApplicationActionRequest, TQStyleApplicationActionRequestData = TQStyleApplicationActionRequestData() );
 
 protected:
 %If (TQt_2_1_0 - TQt_3_0_0)
diff --git a/sip/qt/qwindowsstyle.sip b/sip/qt/qwindowsstyle.sip
index cdf7b40..b3fa3f5 100644
--- a/sip/qt/qwindowsstyle.sip
+++ b/sip/qt/qwindowsstyle.sip
@@ -76,15 +76,15 @@ public:
 	TQWindowsStyle();
 
 %If (TQt_3_3_0 -)
-	void applicationPolish(TQStyleControlElementData, ControlElementFlags, void *);
-	void applicationUnPolish(TQStyleControlElementData, ControlElementFlags, void *);
+	void applicationPolish(const TQStyleControlElementData&, ControlElementFlags, void *);
+	void applicationUnPolish(const TQStyleControlElementData&, ControlElementFlags, void *);
 
-	void polish(TQStyleControlElementData, ControlElementFlags, void *);
-	void unPolish(TQStyleControlElementData, ControlElementFlags, void *);
+	void polish(const TQStyleControlElementData&, ControlElementFlags, void *);
+	void unPolish(const TQStyleControlElementData&, ControlElementFlags, void *);
 
 	void polish( TQPalette & );
 
-	virtual void polishPopupMenu( TQStyleControlElementData, ControlElementFlags, void * );
+	virtual void polishPopupMenu( const TQStyleControlElementData&, ControlElementFlags, void * );
 %End
 
 %If (- TQt_3_0_0)
@@ -143,36 +143,36 @@ public:
 			       const TQPalette &,bool,bool,int,int,int,int);
 %End
 %If (TQt_3_0_0 -) 
-	void drawPrimitive(PrimitiveElement,TQPainter *,TQStyleControlElementData,ControlElementFlags,const TQRect &,
+	void drawPrimitive(PrimitiveElement,TQPainter *,const TQStyleControlElementData&,ControlElementFlags,const TQRect &,
 			   const TQColorGroup &,SFlags = Style_Default,
 			   const TQStyleOption & = TQStyleOption()) const;
  
-	void drawControl(ControlElement,TQPainter *,TQStyleControlElementData,ControlElementFlags,
+	void drawControl(ControlElement,TQPainter *,const TQStyleControlElementData&,ControlElementFlags,
 			 const TQRect &,const TQColorGroup &,
 			 SFlags = Style_Default,
 			 const TQStyleOption & = TQStyleOption(), const TQWidget *=0) const;
  
-	void drawComplexControl(ComplexControl,TQPainter *,TQStyleControlElementData,ControlElementFlags,
+	void drawComplexControl(ComplexControl,TQPainter *,const TQStyleControlElementData&,ControlElementFlags,
 				const TQRect &,const TQColorGroup &,
 				SFlags = Style_Default,SCFlags = SC_All,
 				SCFlags = SC_None,
 				const TQStyleOption & = TQStyleOption(),const TQWidget *=0) const;
  
-	int pixelMetric(PixelMetric,TQStyleControlElementData,ControlElementFlags,const TQWidget * = 0) const;
+	int pixelMetric(PixelMetric,const TQStyleControlElementData&,ControlElementFlags,const TQWidget * = 0) const;
  
-	TQSize sizeFromContents(ContentsType,TQStyleControlElementData,ControlElementFlags,const TQSize &,
+	TQSize sizeFromContents(ContentsType,const TQStyleControlElementData&,ControlElementFlags,const TQSize &,
 			       const TQStyleOption & = TQStyleOption(),const TQWidget *=0) const; 
 
-	int styleHint(StyleHint,TQStyleControlElementData,ControlElementFlags,
+	int styleHint(StyleHint,const TQStyleControlElementData&,ControlElementFlags,
 		      const TQStyleOption & = TQStyleOption(),
 		      TQStyleHintReturn * = 0, const TQWidget * = 0) const;
  
-	TQPixmap stylePixmap(StylePixmap,TQStyleControlElementData,ControlElementFlags,
+	TQPixmap stylePixmap(StylePixmap,const TQStyleControlElementData&,ControlElementFlags,
 			    const TQStyleOption & = TQStyleOption(), const TQWidget * = 0) const;
 %End
 
 %If (TQt_3_1_0 -)
-	TQRect subRect(SubRect,const TQStyleControlElementData, const ControlElementFlags,const TQWidget *) const;
+	TQRect subRect(SubRect,const const TQStyleControlElementData&, const ControlElementFlags,const TQWidget *) const;
 %End
 
 protected: