How to ignore mouse moves over hidden part of NSView?

Question

I have some window which in turn contains an NSView, v1 . The view can receive events from mouse, like Mouse Down, Enter, Exit and so on. The view can be overlapped by other view ( v2 ) (modal window not involved). I want to be able receive events Enter/Exit in v1 when the mouse is over visible part of v1 , and ignore those events when the mouse is over hidden region.

How? Enlighten me, please.

Answer 1

最终，在我的案例中，解决方案非常简单：NSTrackingArea的选项应包括NSTrackingInVisibleRect