Xcode Keyboard Lock

Hi can someone please help me.. I was playing around with a few shortcuts on xcode and somehow i mustve pressed at shortcut or someth开发者_如何学Going and now the keyboard is locked.. in the sense that i cant type, navigate or anything.. As far as i can tell, its only on xcode and i can use the keyboard everywhere else..

can anyone help? :(

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I ended up quiting the application.. and it does appear to have fixed itself.. Weird..