Another possibility is that the target (app delegate) overrides -validateMenuItem: and isn’t doing the right thing.
—Graham > On 13 Feb 2017, at 7:55 AM, Kyle Sluder <k...@ksluder.com> wrote: > >>> >>> On Feb 12, 2017, at 12:36 PM, Andreas Falkenhahn <andr...@falkenhahn.com> >>> wrote: >> >> >>> On 12.02.2017 at 21:29 Kyle Sluder wrote: >>> >>> You’ve wired up every single menu item to a single action in your app >>> delegate? That’s certainly non-standard. >> >> It's really old code. It's an Xcode project I originally created on a >> PowerPC Mac some 10 years ago, so I don't really remember how I used >> Interface Builder back then. All I see is that every single menu item >> has an entry under "Sent Actions" that links to "AppDelegate: menuClick". >> The menu events are then processed in the "menuClick" method of my >> app delegate. >> >>> By default, menus automatically enable/disable their items based on >>> whether the target can perform the action. Perhaps your app delegate is >>> being deallocated, and thus the menu is walking the responder chain and >>> failing to find a responder that responds to -menuClick:? >> >> But how can that possibly happen? I'm certainly not deallocating the >> app delegate myself... > > There are plenty of ways to write refcounting bugs. But the refcounting bug > is just a theory. All we know for sure is that something is disabling the > menu items. I assume you have not turned off the default autoenablesItems > property on the menu, so that leaves a few possibilities: > > 1. The target of your menu items is being replaced with an object that does > not respond to -menuClick:. > 2. The target of your menu items is being deallocated, and a new object is > being allocated in its place that does not respond to -menuClick:. > 3. The target of your menu items is being deallocated, and NSMenuItem’s weak > target pointer is being nilled out (special case of #1). > 4. The menu has a delegate, and it implements of one of the menu update > callbacks to disable the menu items. > 5. Some arbitrary object in your app is grabbing a reference to the menu > items and disabling them. > > --Kyle Sluder _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
