#define wxGTK_CONV_BACK_SYS(s) wxConvertFromGTK((s))
#endif
+// Define a macro for converting wxString to char* in appropriate encoding for
+// the file names.
+#ifdef G_OS_WIN32
+ // Under MSW, UTF-8 file name encodings are always used.
+ #define wxGTK_CONV_FN(s) (s).utf8_str()
+#else
+ // Under Unix use GLib file name encoding (which is also UTF-8 by default
+ // but may be different from it).
+ #define wxGTK_CONV_FN(s) (s).fn_str()
+#endif
+
// ----------------------------------------------------------------------------
// various private helper functions
// ----------------------------------------------------------------------------
WXDLLIMPEXP_CORE GtkWidget *GetHeaderButtonWidget();
WXDLLIMPEXP_CORE GtkWidget *GetNotebookWidget();
WXDLLIMPEXP_CORE GtkWidget *GetRadioButtonWidget();
-WXDLLIMPEXP_CORE GtkWidget *GetSplitterWidget();
+WXDLLIMPEXP_CORE GtkWidget *GetSplitterWidget(wxOrientation orient = wxHORIZONTAL);
WXDLLIMPEXP_CORE GtkWidget *GetTextEntryWidget();
WXDLLIMPEXP_CORE GtkWidget *GetTreeWidget();