Re: NSEvent locationInWindow undefined for non-mouse events, how to catch?
Re: NSEvent locationInWindow undefined for non-mouse events, how to catch?
- Subject: Re: NSEvent locationInWindow undefined for non-mouse events, how to catch?
- From: Jim McGowan <email@hidden>
- Date: Wed, 15 Feb 2012 12:18:39 +0800
On 15 Feb, 2012, at 1:18 , email@hidden wrote:
> The NSEvent locationInWindow docs say: "For non-mouse events the return value of this method is undefined."
>
> I've just been bitten by this. Seems it would be easy to detect at runtime and assert, is there any magic environment variable or defaults value that can help me catch such incorrect usage? I've searched but not found...
Are you calling -type on the events you are receiving? Checking that value should make it clear whether the event you have received is a mouse event or not. If not, and you need the mouse location, you can get if from NSEvent's +mouseLocation or a relevant window instance's -mouseLocationOutsideOfEventStream.
Jim
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