cocoa - How do I use an NSProgressIndicator as the view of an NSToolbarItem and have it show in the customisation sheet? -


I have a NSToolbar in my code that was created in IB toolbar item Uses a spinner-style NSProgressIndicator , the rest of the pictures are there.

When the toolbar is showing an optimization sheet, the spinner is not shown in the sheet.

I initially thought that this was because the spinner was set to -displayedWhenStopped on NO . This is not the case: If I set it to Yes, then the spinner shows up in the toolbar, when it is activated, but not shown in the toolbar when it is closed or closed.


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