objective c - Accessing Keyboard API -


i looking intercept keyboard events in mac app.

i user initiate "record" activity copy keystones , "stop" activity.

is possible via cocoa's mac api?

have @ nsevent method addlocalmonitorforeventsmatchingmask:handler:. allow receive events (specifically keydown events in case) occur in app, , can whatever want keystrokes method returns. here simple example of how use method:

self.keystrokes = [nsmutablestring string];     [nsevent addlocalmonitorforeventsmatchingmask:nskeydownmask handler:^nsevent* (nsevent* event){         nsstring *keypressed = event.charactersignoringmodifiers;         [self.keystrokes appendstring:keypressed];         return event;     }];

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