Override NSTextField - mouseDown only fires once

Question

In my code I am overriding the mouseDown(with event: NSEvent) however am finding that the mouse down event only fires once, when the NSTextField becomes firstResponder

class GSTextField: NSTextField {
    override func mouseDown(with event: NSEvent) {
        print("in mouse down")
        return super.mouseDown(with: event)
    }
}

What I am ideally trying to achieve is to track the insert point on every mouse click. This is needed later in my code.

I think this has something to do wiht the field editor for the NSTextField doing the work behind the scenes. Thanks GS

The text field is the delegate of the field editor. You can subclass `NSTextField` and implement/override the methods of `NSTextViewDelegate` like `textViewDidChangeSelection(_:)`. — Willeke, Jun 17 '18 at 15:22

score 2 · Answer 1 · answered Jun 21 '18 at 23:38

2

@willeke response gave me a workable solution I moved form trapping mouseDown() to using textViewDidChangeSelection()

The question about why mouseDown() only fires once is still outstanding however I no longer need to resolve that.

answered Jun 21 '18 at 23:38

Gazing South

115
8

Override NSTextField - mouseDown only fires once

1 Answers1