> On Jul 4, 2018, at 21:31 , Ken Thomases <k...@codeweavers.com> wrote:
>
> On Jul 4, 2018, at 10:45 PM, Rick Mann <rm...@latencyzero.com> wrote:
>>
>> I've overridden -acceptsFirstResponder to return true on the window
>> controller and view controllers.
>
> That doesn't do anything. -acceptsFirstResponder is a view method and is
> only called on views, not controllers.
>
>> I don't have any custom views in the window yet, just an SCNView and a
>> slider.
>
> I don't know if SCNView accepts first responder by default. You may need to
> use a subclass that overrides -acceptsFirstResponder.
Hmm, I tried this. It doesn't seem to make anything in my responder chain
respond. I tried calling becomeFirstResponder() on it when the view controller
loaded. Doesn't seem to have any effect.
Dropping an NSTextView randomly into my window did enable my responder chain.
>
> A slider would only accept first responder if System Preferences > Keyboard >
> Shortcuts > Full Keyboard Access is set to All Controls.
>
>
>> This begins to touch on another issue I'm not satisfied with: if I have
>> multiple NSViewControllers (say, in a split view), and I want them all to
>> respond to (different) menu commands, there seems to be no way to do that
>> directly, by sending command to the first responder, right?
>
> Correct. That's not an appropriate case for targeting the action at the
> first responder. You would either target the views directly or implement the
> action methods in a superview or its controller and have that dispatch things
> from there. You could implement some general scheme that searches the
> descendant views for one which responds and send it there. Or perhaps have
> the descendant views register their interest in a specific action method with
> the controller.
>
> Regards,
> Ken
>
--
Rick Mann
rm...@latencyzero.com
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