+ // lay out the window and its children
+ virtual bool Layout();
+
+ virtual void DoSetVirtualSize(int x, int y);
+
+#if WXWIN_COMPATIBILITY
+ virtual void GetScrollUnitsPerPage(int *x_page, int *y_page) const;
+ virtual void CalcUnscrolledPosition(int x, int y, float *xx, float *yy) const;
+ // Need to do this otherwise the compiler gets confuced
+ // between float and int calls to this function.
+ void CalcUnscrolledPosition(int x, int y, int *xx, int *yy) const
+ { wxScrollHelper::CalcScrolledPosition(x, y, xx, yy); }
+ wxPoint CalcUnscrolledPosition(const wxPoint& pt) const
+ { return wxScrollHelper::CalcScrolledPosition(pt); }
+#endif // WXWIN_COMPATIBILITY
+
+protected:
+ // this is needed for wxEVT_PAINT processing hack described in
+ // wxScrollHelperEvtHandler::ProcessEvent()
+ void OnPaint(wxPaintEvent& event);
+
+ // we need to return a special WM_GETDLGCODE value to process just the
+ // arrows but let the other navigation characters through
+#ifdef __WXMSW__
+ virtual long MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
+#endif // __WXMSW__
+