On 02/12/2010, at 2:19 PM, Rick Mann wrote:

> I have a view that shows the coordinates of the current mouse location in it. 
> I update this via -mouseMoved: But if the user scrolls the view with a scroll 
> ball, I don't get mouse moved events.
> 
> 1) What's the best way to react to scroll changes? I'm currently observing 
> the NSViewBoundsDidChangeNotification.
> 
> 2) How can I get the mouse position at this point? I don't have an NSEvent to 
> check.


Scrolling might occur for some reason other than an event, such as a timer when 
autoscrolling, so listening for a bounds change is probably the right approach, 
assuming it is triggered for a scroll. Otherwise you may have to resort to 
polling for a change in the frame origin.

You can get the mouse position using [NSWindow 
mouseLocationOutsideOfEventStream]

--Graham


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