+ return wxT(" ") + ret;
+}
+
+#endif // __WXGTK26__
+
+wxString
+wxGUIAppTraits::GetStandardCmdLineOptions(wxArrayString& names,
+ wxArrayString& desc) const
+{
+ wxString usage;
+
+#ifdef __WXGTK26__
+ if (!gtk_check_version(2,6,0))
+ {
+ // since GTK>=2.6, we can use the glib_check_version() symbol...
+
+ // check whether GLib version is greater than 2.6 but also lower than 2.19
+ // because, as we use the undocumented _GOptionGroup struct, we don't want
+ // to run this code with future versions which might change it (2.19 is the
+ // latest one at the time of this writing)
+ if (!glib_check_version(2,6,0) && glib_check_version(2,20,0))
+ {
+ usage << _("The following standard GTK+ options are also supported:\n");
+
+ // passing true here means that the function can open the default
+ // display while parsing (not really used here anyhow)
+ GOptionGroup *gtkOpts = gtk_get_option_group(true);
+
+ // WARNING: here we access the internals of GOptionGroup:
+ GOptionEntry *entries = ((_GOptionGroup*)gtkOpts)->entries;
+ unsigned int n_entries = ((_GOptionGroup*)gtkOpts)->n_entries;
+ wxArrayString namesOptions, descOptions;
+
+ for ( size_t n = 0; n < n_entries; n++ )
+ {
+ if ( entries[n].flags & G_OPTION_FLAG_HIDDEN )
+ continue; // skip
+
+ names.push_back(wxGetNameFromGtkOptionEntry(&entries[n]));
+
+ const gchar * const entryDesc = entries[n].description;
+ desc.push_back(wxString(entryDesc));
+ }
+
+ g_option_group_free (gtkOpts);
+ }
+ }
+#else
+ wxUnusedVar(names);
+ wxUnusedVar(desc);
+#endif // __WXGTK26__
+
+ return usage;
+}