objective c - Button does not react -

i have strange behaviour nsbutton. works normal until voodoo somewhere else in app. right button no longer react on click events. still looks normal (so not disabled). not when click it. idea should in properties of nsbutton might have been changed accidentally? (quite sure did not touch button itself.)

ensure button in 'touchable' zone in superview. mean have ro placed inside superview bounds (if not, can see it, depending on clipping properties, , can't interact it). in order check it, set color container view. check userinteraction enabled...

hope helps.