NSAlert "improvements" in Big Sur+

#1 · April 15, 2022, 4:37 pm

Posted by: fblistserve <fblistserve@...>

If you haven't noticed yet, Big Sur's ( and not fixed in Monterey ) NSAlert dialogs are now vertically oriented, so if you're displaying text with a width to prevent wrapping ( and with no centering ), it looks terrible. Not to mention the stacked buttons ( instead of side-by-side ) and other "improvements".

Apple ( here: https://developer.apple.com/documentation/macos-release-notes/appkit-release-notes-for-macos-11 )

tries to portray it as a new feature but it's clearly a downgrade ( see discussion here: https://mjtsai.com/blog/2020/07/03/big-surs-narrow-alerts/ )

As Leo Revzin points out ( see discussion at Michael Tsai's blog above ), there is an alternative custom class. Yes, it's possible to just write your own panel and use it but this ( apparently - haven't used it yet ) a drop in replacement for NSAlert. See: https://github.com/TroikaTronix/NSCustomAlert

btw: just making the alert window wider by adding an accessory view( alert.accessoryView = [[[NSView alloc] initWithFrame:NSMakeRect(0, 0, 800, 0)] autorelease]; doesn't help. The window is wider but the text is still constrained to a narrow valley in the dialog's center.

Hope this saves someone time.

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