+#if wxUSE_TOOLTIPS
+ m_itemsTooltips = NULL;
+#endif // wxUSE_TOOLTIPS
+ }
+
+ // return the number of items in major direction (which depends on whether
+ // we have wxRA_SPECIFY_COLS or wxRA_SPECIFY_ROWS style)
+ unsigned int GetMajorDim() const { return m_majorDim; }
+
+ // sets m_majorDim and also updates m_numCols/Rows
+ //
+ // the style parameter should be the style of the radiobox itself
+ void SetMajorDim(unsigned int majorDim, long style);
+
+#if wxUSE_TOOLTIPS
+ // called from SetItemToolTip() to really set the tooltip for the specified
+ // item in the box (or, if tooltip is NULL, to remove any existing one).
+ //
+ // NB: this function should really be pure virtual but to avoid breaking
+ // the build of the ports for which it's not implemented yet we provide
+ // an empty stub in the base class for now
+ virtual void DoSetItemToolTip(unsigned int item, wxToolTip *tooltip);
+
+ // returns true if we have any item tooltips
+ bool HasItemToolTips() const { return m_itemsTooltips != NULL; }
+#endif // wxUSE_TOOLTIPS
+
+#if wxUSE_HELP
+ // Retrieve help text for an item: this is a helper for the implementation
+ // of wxWindow::GetHelpTextAtPoint() in the real radiobox class
+ wxString DoGetHelpTextAtPoint(const wxWindow *derived,
+ const wxPoint& pt,
+ wxHelpEvent::Origin origin) const;
+#endif // wxUSE_HELP
+
+private:
+ // the number of elements in major dimension (i.e. number of columns if
+ // wxRA_SPECIFY_COLS or the number of rows if wxRA_SPECIFY_ROWS) and also
+ // the number of rows/columns calculated from it
+ unsigned int m_majorDim,
+ m_numCols,
+ m_numRows;
+
+#if wxUSE_TOOLTIPS
+ // array of tooltips for the individual items
+ //
+ // this array is initially NULL and initialized on first use
+ wxToolTipArray *m_itemsTooltips;
+#endif
+
+#if wxUSE_HELP
+ // help text associated with a particular item or empty string if none
+ wxArrayString m_itemsHelpTexts;
+#endif // wxUSE_HELP