I'm showing an NSAlert with runModal, but despite the buttons being responsive, 
the alert box will not dismiss and runModal never returns. I can't understand 
what state the run loop is in for this to be happening.

It's actually a Qt application, and I am showing the alert at startup in 
response to a timer event. It's not a fundamental problem with Qt though; I am 
able to display NSAlerts successfully elsewhere in the app. I'm also able to 
use NSAlerts in response to a Qt timer in a test app, and of course in response 
to an NSTimer in a pure Cocoa app.

Does anyone have an idea as to what might be going on?

Thanks,

Graham Westlake








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