diff --git a/style/lipstik.cpp b/style/lipstik.cpp
index e587bbd..0963126 100644
--- a/style/lipstik.cpp
+++ b/style/lipstik.cpp
@@ -275,7 +275,7 @@ LipstikStyle::~LipstikStyle()
     delete verticalLine;
 }
 
-void LipstikStyle::applicationPolish(TQStyleControlElementData ceData, ControlElementFlags, void *ptr)
+void LipstikStyle::applicationPolish(const TQStyleControlElementData &ceData, ControlElementFlags, void *ptr)
 {
     if (ceData.widgetObjectTypes.contains(TQAPPLICATION_OBJECT_NAME_STRING)) {
         TQApplication *app = reinterpret_cast<TQApplication*>(ptr);
@@ -286,7 +286,7 @@ void LipstikStyle::applicationPolish(TQStyleControlElementData ceData, ControlEl
     }
 }
 
-void LipstikStyle::polish(TQStyleControlElementData ceData, ControlElementFlags elementFlags, void *ptr)
+void LipstikStyle::polish(const TQStyleControlElementData &ceData, ControlElementFlags elementFlags, void *ptr)
 {
     if (ceData.widgetObjectTypes.contains(TQWIDGET_OBJECT_NAME_STRING)) {
 	TQWidget *widget = reinterpret_cast<TQWidget*>(ptr);
@@ -343,7 +343,7 @@ void LipstikStyle::polish(TQStyleControlElementData ceData, ControlElementFlags
     KStyle::polish(ceData, elementFlags, ptr);
 }
 
-void LipstikStyle::unPolish(TQStyleControlElementData ceData, ControlElementFlags elementFlags, void *ptr)
+void LipstikStyle::unPolish(const TQStyleControlElementData &ceData, ControlElementFlags elementFlags, void *ptr)
 {
     if (ceData.widgetObjectTypes.contains(TQWIDGET_OBJECT_NAME_STRING)) {
 	TQWidget *widget = reinterpret_cast<TQWidget*>(ptr);
@@ -1293,7 +1293,7 @@ void LipstikStyle::renderTab(TQPainter *p,
 
 void LipstikStyle::drawKStylePrimitive(KStylePrimitive kpe,
                                       TQPainter *p,
-                                      TQStyleControlElementData ceData,
+                                      const TQStyleControlElementData &ceData,
                                       ControlElementFlags elementFlags,
                                       const TQRect &r,
                                       const TQColorGroup &cg,
@@ -1653,7 +1653,7 @@ void LipstikStyle::drawKStylePrimitive(KStylePrimitive kpe,
 
 void LipstikStyle::drawPrimitive(PrimitiveElement pe,
                                 TQPainter *p,
-                                TQStyleControlElementData ceData,
+                                const TQStyleControlElementData &ceData,
                                 ControlElementFlags elementFlags,
                                 const TQRect &r,
                                 const TQColorGroup &cg,
@@ -2485,7 +2485,7 @@ void LipstikStyle::drawPrimitive(PrimitiveElement pe,
 
 void LipstikStyle::drawControl(ControlElement element,
                               TQPainter *p,
-                              TQStyleControlElementData ceData,
+                              const TQStyleControlElementData &ceData,
                               ControlElementFlags elementFlags,
                               const TQRect &r,
                               const TQColorGroup &cg,
@@ -3167,7 +3167,7 @@ void LipstikStyle::drawControl(ControlElement element,
 
 void LipstikStyle::drawControlMask(ControlElement element,
                                   TQPainter *p,
-                                  TQStyleControlElementData ceData,
+                                  const TQStyleControlElementData &ceData,
                                   ControlElementFlags elementFlags,
                                   const TQRect &r,
                                   const TQStyleOption &opt,
@@ -3189,7 +3189,7 @@ void LipstikStyle::drawControlMask(ControlElement element,
 
 void LipstikStyle::drawComplexControlMask(ComplexControl c,
                                          TQPainter *p,
-                                         const TQStyleControlElementData ceData,
+                                         const TQStyleControlElementData &ceData,
                                          const ControlElementFlags elementFlags,
                                          const TQRect &r,
                                          const TQStyleOption &o,
@@ -3212,7 +3212,7 @@ void LipstikStyle::drawComplexControlMask(ComplexControl c,
 
 void LipstikStyle::drawComplexControl(ComplexControl control,
                                      TQPainter *p,
-                                     TQStyleControlElementData ceData,
+                                     const TQStyleControlElementData &ceData,
                                      ControlElementFlags elementFlags,
                                      const TQRect &r,
                                      const TQColorGroup &cg,
@@ -3636,7 +3636,7 @@ void LipstikStyle::drawComplexControl(ComplexControl control,
 }
 
 
-TQRect LipstikStyle::subRect(SubRect r, const TQStyleControlElementData ceData, const ControlElementFlags elementFlags, const TQWidget *widget) const
+TQRect LipstikStyle::subRect(SubRect r, const TQStyleControlElementData &ceData, const ControlElementFlags elementFlags, const TQWidget *widget) const
 {
     switch (r) {
         case SR_ComboBoxFocusRect: {
@@ -3661,7 +3661,7 @@ TQRect LipstikStyle::subRect(SubRect r, const TQStyleControlElementData ceData,
 }
 
 TQRect LipstikStyle::querySubControlMetrics(ComplexControl control,
-                                          TQStyleControlElementData ceData,
+                                          const TQStyleControlElementData &ceData,
                                           ControlElementFlags elementFlags,
                                           SubControl subcontrol,
                                           const TQStyleOption &opt,
@@ -3731,7 +3731,7 @@ TQRect LipstikStyle::querySubControlMetrics(ComplexControl control,
     }
 }
 
-int LipstikStyle::pixelMetric(PixelMetric m, TQStyleControlElementData ceData, ControlElementFlags elementFlags, const TQWidget *widget) const
+int LipstikStyle::pixelMetric(PixelMetric m, const TQStyleControlElementData &ceData, ControlElementFlags elementFlags, const TQWidget *widget) const
 {
     switch(m) {
     // TABS
@@ -3854,7 +3854,7 @@ int LipstikStyle::pixelMetric(PixelMetric m, TQStyleControlElementData ceData, C
 
 
 TQSize LipstikStyle::sizeFromContents(ContentsType t,
-                                    TQStyleControlElementData ceData,
+                                    const TQStyleControlElementData &ceData,
                                     ControlElementFlags elementFlags,
                                     const TQSize &s,
                                     const TQStyleOption &opt,
@@ -3939,7 +3939,7 @@ TQSize LipstikStyle::sizeFromContents(ContentsType t,
 }
 
 int LipstikStyle::styleHint( StyleHint stylehint,
-                                   TQStyleControlElementData ceData,
+                                   const TQStyleControlElementData &ceData,
                                    ControlElementFlags elementFlags,
                                    const TQStyleOption &option,
                                    TQStyleHintReturn* returnData,
@@ -3965,7 +3965,7 @@ int LipstikStyle::styleHint( StyleHint stylehint,
     }
 }
 
-bool LipstikStyle::objectEventHandler( TQStyleControlElementData ceData, ControlElementFlags elementFlags, void* source, TQEvent *ev )
+bool LipstikStyle::objectEventHandler( const TQStyleControlElementData &ceData, ControlElementFlags elementFlags, void* source, TQEvent *ev )
 {
     if (KStyle::objectEventHandler(ceData, elementFlags, source, ev) )
         return true;
diff --git a/style/lipstik.h b/style/lipstik.h
index 453f66a..4ce29e6 100644
--- a/style/lipstik.h
+++ b/style/lipstik.h
@@ -69,13 +69,13 @@ public:
     LipstikStyle();
     virtual ~LipstikStyle();
 
-    void applicationPolish(TQStyleControlElementData ceData, ControlElementFlags elementFlags, void *);
-    void polish(TQStyleControlElementData ceData, ControlElementFlags elementFlags, void *);
-    void unPolish(TQStyleControlElementData ceData, ControlElementFlags elementFlags, void *);
+    void applicationPolish(const TQStyleControlElementData &ceData, ControlElementFlags elementFlags, void *);
+    void polish(const TQStyleControlElementData &ceData, ControlElementFlags elementFlags, void *);
+    void unPolish(const TQStyleControlElementData &ceData, ControlElementFlags elementFlags, void *);
 
     void drawKStylePrimitive(KStylePrimitive kpe,
                              TQPainter* p,
-                             TQStyleControlElementData ceData,
+                             const TQStyleControlElementData &ceData,
                              ControlElementFlags elementFlags,
                              const TQRect &r,
                              const TQColorGroup &cg,
@@ -85,7 +85,7 @@ public:
 
     void drawPrimitive(PrimitiveElement pe,
                        TQPainter *p,
-                       TQStyleControlElementData ceData,
+                       const TQStyleControlElementData &ceData,
                        ControlElementFlags elementFlags,
                        const TQRect &r,
                        const TQColorGroup &cg,
@@ -94,7 +94,7 @@ public:
 
     void drawControl(ControlElement element,
                      TQPainter *p,
-                     TQStyleControlElementData ceData,
+                     const TQStyleControlElementData &ceData,
                      ControlElementFlags elementFlags,
                      const TQRect &r,
                      const TQColorGroup &cg,
@@ -102,11 +102,11 @@ public:
                      const TQStyleOption& = TQStyleOption::Default,
                      const TQWidget *widget = 0 ) const;
 
-    void drawControlMask( ControlElement, TQPainter *, TQStyleControlElementData ceData, ControlElementFlags elementFlags, const TQRect &, const TQStyleOption &, const TQWidget *) const;
+    void drawControlMask( ControlElement, TQPainter *, const TQStyleControlElementData &ceData, ControlElementFlags elementFlags, const TQRect &, const TQStyleOption &, const TQWidget *) const;
 
     void drawComplexControl(ComplexControl control,
                             TQPainter *p,
-                            TQStyleControlElementData ceData,
+                            const TQStyleControlElementData &ceData,
                             ControlElementFlags elementFlags,
                             const TQRect &r,
                             const TQColorGroup &cg,
@@ -116,14 +116,14 @@ public:
                             const TQStyleOption& = TQStyleOption::Default,
                             const TQWidget *widget = 0 ) const;
 
-    int pixelMetric(PixelMetric m, TQStyleControlElementData ceData, ControlElementFlags elementFlags,
+    int pixelMetric(PixelMetric m, const TQStyleControlElementData &ceData, ControlElementFlags elementFlags,
                     const TQWidget *widget = 0 ) const;
 
-    TQRect subRect(SubRect r, const TQStyleControlElementData ceData, const ControlElementFlags elementFlags,
+    TQRect subRect(SubRect r, const TQStyleControlElementData &ceData, const ControlElementFlags elementFlags,
                   const TQWidget *widget ) const;
 
     TQRect querySubControlMetrics(ComplexControl control,
-                                 TQStyleControlElementData ceData,
+                                 const TQStyleControlElementData &ceData,
                                  ControlElementFlags elementFlags,
                                  SubControl subcontrol,
                                  const TQStyleOption &opt = TQStyleOption::Default,
@@ -131,20 +131,20 @@ public:
 
     void drawComplexControlMask(TQStyle::ComplexControl c,
                                 TQPainter *p,
-                                const TQStyleControlElementData ceData,
+                                const TQStyleControlElementData &ceData,
                                 const ControlElementFlags elementFlags,
                                 const TQRect &r,
                                 const TQStyleOption &o=TQStyleOption::Default,
                                 const TQWidget *w = 0) const;
 
     TQSize sizeFromContents(TQStyle::ContentsType t,
-                           TQStyleControlElementData ceData,
+                           const TQStyleControlElementData &ceData,
                            ControlElementFlags elementFlags,
                            const TQSize &s,
                            const TQStyleOption &o,
                            const TQWidget *w = 0) const;
 
-    int styleHint(StyleHint, TQStyleControlElementData ceData, ControlElementFlags elementFlags,
+    int styleHint(StyleHint, const TQStyleControlElementData &ceData, ControlElementFlags elementFlags,
                   const TQStyleOption & = TQStyleOption::Default,
                   TQStyleHintReturn * = 0, const TQWidget * = 0 ) const;
 
@@ -276,7 +276,7 @@ protected:
     virtual void renderMenuBlendPixmap( KPixmap& pix, const TQColorGroup& cg, 
                                         const TQPopupMenu* popup ) const;
     
-    virtual bool objectEventHandler( TQStyleControlElementData ceData, ControlElementFlags elementFlags, void* source, TQEvent *e );
+    virtual bool objectEventHandler( const TQStyleControlElementData &ceData, ControlElementFlags elementFlags, void* source, TQEvent *e );
 
 protected slots:
     void khtmlWidgetDestroyed(TQObject* w);