Mystery solved - it was, of course, a stupid bug on my part. Just in case somebody else stumbles across this thread: I had forgotten a @synthesize in the .m file. (Xcode emits a warning about this, but I had overlooked it, due to several other warnings always being there.)
Sorry for bothering you all.
> On 4. Sep 2021, at 20:06, Ben Kennedy <b...@zygoat.ca> wrote:
>
>
>> On Sep 4, 2021, at 10:27 AM, Gabriel Zachmann via Cocoa-dev
>> <cocoa-dev@lists.apple.com> wrote:
>>
>> I access the window of a view by two different ways, in the controller and
>> in the view, resp., and in the controller, I always get a nil pointer.
>>
>> In my app, I have a subclass of NSView, MyView, declared like this:
>>
>> @interface MyView : NSView <NSTextViewDelegate, CALayerDelegate,
>> CAAnimationDelegate>
>> {
>> NSWindow * window_;
>> ...
>> }
>> @property (readwrite) NSWindow * window_;
>
> What’s the purpose of this? NSView already has a `window` property that
> returns its parent window. Why not just use that?
>
> -ben
>
> Sent from my iPhone
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