+ // get the origin of the client area of the window relative to the
+ // window top left corner (the client area may be shifted because of
+ // the borders, scrollbars, other decorations...)
+ virtual wxPoint GetClientAreaOrigin() const;
+
+ // get the client rectangle in window (i.e. client) coordinates
+ wxRect GetClientRect() const
+ {
+ return wxRect(GetClientAreaOrigin(), GetClientSize());
+ }
+
+ // get the size best suited for the window (in fact, minimal
+ // acceptable size using which it will still look "nice")
+ wxSize GetBestSize() const { return DoGetBestSize(); }
+ void GetBestSize(int *w, int *h) const
+ {
+ wxSize s = DoGetBestSize();
+ if ( w )
+ *w = s.x;
+ if ( h )
+ *h = s.y;
+ }
+
+ // the generic centre function - centers the window on parent by
+ // default or on screen if it doesn't have parent or
+ // wxCENTER_ON_SCREEN flag is given