Mouseover in NSTableView

Question

I\'m having trouble creating a mouseover function with an NSTableView. The idea is that (if the feature is selected in prefs) placing the mouse pointer above a particular row in

Answer 1

You're on the right track with -mouseEntered: and -mouseExited:.

Look into NSView's -addTrackingRect:owner:userData:assumeInside: and -removeTrackingRect: methods. You can either set up your tableView to create trackingRects for every row that's in there whenever the contents of the tableView change, or alternatively, set up/update one tracking area on the entire tableView whenever -tile or another layout related method is called.