Fix crashes when used with third-party toolkits

style/qtcurve.h

@@ -199,7 +199,7 @@ class QtCurveStyle : public BASE_STYLE
     void drawSbSliderHandle(TQPainter *p, const TQRect &r, const TQColorGroup &cg, SFlags flags, bool slider=false) const;
     void drawSliderHandle(TQPainter *p, const TQRect &r, const TQColorGroup &cg, SFlags flags, TQSlider *slider, bool tb=false) const;
     void drawSliderGroove(TQPainter *p, const TQRect &r, const TQColorGroup &cg, SFlags flags,
-                          const TQWidget *widget) const;
+                          const TQStyleControlElementData ceData, const ControlElementFlags elementFlags, const TQWidget *widget) const;
     void drawMenuOrToolBarBackground(TQPainter *p, const TQRect &r, const TQColorGroup &cg, bool menu=true, bool horiz=true) const;
     void drawHandleMarkers(TQPainter *p, const TQRect &r, SFlags flags, bool tb, ELine handles) const;
     void drawHighlight(TQPainter *p, const TQRect &r, const TQColorGroup &cg, bool horiz, bool inc) const;
@@ -243,6 +243,7 @@ class QtCurveStyle : public BASE_STYLE
     bool           isFormWidget(const TQWidget *w) const { return itsKhtmlWidgets.contains(w); }
     void           resetHover();
     bool           isWindowDragWidget(TQObject *o, const TQPoint &pos=TQPoint());
+    void           adjustScrollbarRects(bool &itsFormMode, bool &horiz, bool &useThreeButtonScrollBar, TQRect &subline, TQRect &addline, TQRect &subpage, TQRect &addpage, TQRect &slider, TQRect &first, TQRect &last, TQRect &subline2, TQRect &sbRect, Options& opts, const TQWidget* widget) const;
 
     private slots: