Re: Getting current mouse position after scroll
Re: Getting current mouse position after scroll
- Subject: Re: Getting current mouse position after scroll
- From: Graham Cox <email@hidden>
- Date: Thu, 2 Dec 2010 14:42:44 +1100
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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