Re: Cursor outside Rect without polling

On Jun 19, 2017, at 20:17 , Gerriet M. Denkmann wrote: > > 1. if the cursor is initially NOT in the rect, the app does not get notified: > Workaround: user moves cursor into the rect (not very good). > > 2. if the app is hidden under some other windows, it also does not get

Cursor outside Rect without polling

macOS. Some Cocoa app wants to know whether the cursor moved from any point to a point outside of some rect. Currently I use polling (which looks kind of inefficient). I tried NSTrackingArea, but this does not work: 1. if the cursor is initially NOT in the rect, the app does not get notified: