Re: NSAlert::runModal doesn't work on 10.6
Re: NSAlert::runModal doesn't work on 10.6
- Subject: Re: NSAlert::runModal doesn't work on 10.6
- From: Ken Thomases <email@hidden>
- Date: Mon, 22 Aug 2016 10:30:53 -0500
On Aug 22, 2016, at 8:26 AM, Andreas Falkenhahn <email@hidden> wrote:
>
> I've created an NSAlert dialog as described here:
> https://developer.apple.com/library/mac/documentation/Cocoa/Conceptual/Dialog/Tasks/UsingAlerts.html#//apple_ref/doc/uid/20000871-129009-BCIFAAEJ
>
> When I run it using
>
> [alert runModal];
>
> it shows up correctly but pressing a button doesn't do anything on 10.6. The
> dialog isn't closed and just stays there. On 10.11, however, everything is
> working correctly. Pressing a button closes the dialog and returns the id
> of the button that has been pressed.
>
> Since NSAlert is quite an essential class, I don't think that this is a bug
> in 10.6 so I'm probably doing something wrong. Does anybody have an idea
> what could cause this behaviour on 10.6 and how I can fix this?
Tell us more about the context. Is this a normal app or is it unusual in some way? Is this in the same app from your other thread where you're trying to shoehorn Cocoa into a C-based program? Can you reproduce the problem in a new, standard Cocoa app project?
Are any exceptions logged to the console when you press the button on 10.6? Does the button visually respond (depress/highlight) to your click and it's just that it doesn't take effect? Or does it not even respond to the click?
Are you running the alert from the main/original thread or a secondary thread?
Regards,
Ken
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