On Jan 4, 2014, at 3:58 PM, Alex Hall wrote:

> //store a keystroke
> NSUInteger key=[event keyCode]+[event modifierFlags];

This isn't safe.  The documented device-independent modifier flags are all in 
the high 16 bits of a 32-bit value, but there are other flags in the other 
bits.  At the very least, you would need to AND the modifier flags against 
NSDeviceIndependentModifierFlagsMask to clear the other bits.

Regards,
Ken


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