4 * This file is part of LyX, the document processor.
5 * Licence details can be found in the file COPYING.
9 * Full author contact details are available in file CREDITS
21 class ControlExternal;
22 class QExternalDialog;
25 : public Qt2CB<ControlExternal, Qt2DB<QExternalDialog> >
28 friend class QExternalDialog;
32 virtual bool isValid();
37 virtual void update_contents();
39 virtual void build_dialog();
41 /// get the right helptext
42 string const & helpText();