I went ahead and created rdar://7576845 rather than use the documentation feedback form, because I'd like to see what the answer is.
--Andy On Friday, January 22, 2010, at 12:42PM, "Andy Lee" <[email protected]> wrote: >My understanding was that it's okay to insert things anywhere you want in the >responder chain. In particular, it's okay to put a a view controller between >its view and the view's superview. I know I'm not alone in this: > > * Buck and Yacktman say so in "Cocoa Design Patterns," in the section > "Inserting Objects into the Responder Chain." > * Jonathan Dann offered a way for view controllers to get patched in > automatically, and nobody said boo: > <http://www.cocoabuilder.com/archive/cocoa/212830-responder-chain-patching.html#212954>. > * In the same thread, Matt Neuberg (no slouch) said he does it all the time, > though with a custom NSResponder rather than a view controller: > <http://www.cocoabuilder.com/archive/cocoa/212830-responder-chain-patching.html?q=Responder+Chain+Patching#212862>. > * On the iPhone, UIKit's responder chain is structured this way by default. > >But today I noticed this: > ><http://developer.apple.com/mac/library/documentation/Cocoa/Conceptual/EventOverview/EventArchitecture/EventArchitecture.html> >"A view’s next responder is always its superview—most of the responder chain, >in fact, comprises the views from a window’s first responder up to its content >view. When you create a window or add subviews to existing views, either >programmatically or in Interface Builder, the Application Kit automatically >hooks up the next responders in the responder chain. The addSubview: method of >NSView automatically sets the receiver as the new subview’s superview. You >should never send setNextResponder: to an NSView object." > >Because of what addSubview: does, I can see you have to be careful *when* you >send setNextResponder: to a NSView. But *never*? Are the docs wrong? Or is >this a real Apple rule that people commonly violate at their own risk, like >the rule about not starting method names with underscores? If so, what is >that risk? > >--Andy _______________________________________________ Cocoa-dev mailing list ([email protected]) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [email protected]
