/****************************************************************************** ui.h extension file, included from the uic-generated form implementation.**** If you wish to add, delete or rename functions or slots use** Qt Designer which will update this file, preserving your code. Create an** init() function in place of a constructor, and a destroy() function in** place of a destructor.*****************************************************************************/void QG_LineOptions::setAction(RS_ActionInterface* a) {    if (a!=NULL && a->rtti()==RS2::ActionDrawLine) {        action = (RS_ActionDrawLine*)a;    } else {        RS_DEBUG->print(RS_Debug::D_ERROR, 			"QG_LineOptions::setAction: wrong action type");        action = NULL;    }}void QG_LineOptions::close() {    if (action!=NULL) {        action->close();    }}void QG_LineOptions::undo() {    if (action!=NULL) {        action->undo();    }}