+#ifdef __WXGTK20__
+wxString wxControl::PrepareLabelMnemonics( const wxString &label ) const
+{
+ //Format mnemonics properly for GTK2. This can be called from GTK1.x, but
+ //it's not very useful because mnemonics don't exist prior to GTK2.
+ wxString label2;
+ for (size_t i = 0; i < label.Len(); i++)
+ {
+ if (label.GetChar(i) == wxT('&'))
+ {
+ //Mnemonic escape sequence "&&" is a literal "&" in the output.
+ if (label.GetChar(i + 1) == wxT('&'))
+ {
+ label2 << wxT('&');
+ i++;
+ }
+ //Handle special case of "&_" (i.e. "_" is the mnemonic).
+ //FIXME - Is it possible to use "_" as a GTK mnemonic? Just use a
+ //dash for now.
+ else if (label.GetChar(i + 1) == wxT('_'))
+ {
+ label2 << wxT("_-");
+ i++;
+ }
+ //Replace WX mnemonic indicator "&" with GTK indicator "_".
+ else
+ {
+ label2 << wxT('_');
+ }
+ }
+ else if (label.GetChar(i) == wxT('_'))
+ {
+ //Escape any underlines in the string so GTK doesn't use them.
+ label2 << wxT("__");
+ }
+ else
+ {
+ label2 << label.GetChar(i);
+ }
+ }
+ return label2;
+}
+#endif
+