Pixmap XCreateInsensitivePixmap( Display *display, Pixmap pixmap );
extern XColor g_itemColors[];
-extern int wxComputeColours (Display *display, wxColour * back, wxColour * fore);
+extern int wxComputeColours (Display *display, const wxColour * back, const wxColour * fore);
// For convenience
inline Display* wxGlobalDisplay() { return (Display*) wxGetDisplay(); }