_scale_fit->Bind (wxEVT_RADIOBUTTON, boost::bind (&VideoPanel::scale_fit_clicked, this));
_scale_custom->Bind (wxEVT_RADIOBUTTON, boost::bind (&VideoPanel::scale_custom_clicked, this));
_scale_custom_edit->Bind (wxEVT_BUTTON, boost::bind (&VideoPanel::scale_custom_edit_clicked, this));
_scale_fit->Bind (wxEVT_RADIOBUTTON, boost::bind (&VideoPanel::scale_fit_clicked, this));
_scale_custom->Bind (wxEVT_RADIOBUTTON, boost::bind (&VideoPanel::scale_custom_clicked, this));
_scale_custom_edit->Bind (wxEVT_BUTTON, boost::bind (&VideoPanel::scale_custom_edit_clicked, this));