Crashing in NSTabView
Crashing in NSTabView
- Subject: Crashing in NSTabView
- From: Casey McDermott <email@hidden>
- Date: Wed, 22 May 2019 14:26:00 +0000 (UTC)
Our Mac app adds tabs to a NSTabView programmatically. After switching tabs a
few times, one of the NSTabViewItems would release
prematurely, causing a crash. So we switched it to using a
NSTabViewController. Tab switching still crashes, but now it releases a
NSViewController prematurely.
Nothing else in the code references tab items or tab controllers. This is
baffling. We can set a breakpoint on dealloc to see when it is deleted,
but can't breakpoint on release to see what releases it. We build with latest
Xcode but this has been going on with older ones also.
We tried adding a separate, strong reference to each tab view controller. It
still crashes, but it takes a few more tab switches before the controller is
released.
Any suggestions for what might be causing this?
Casey McDermott
Turtle Creek Software
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