On Sep 30, 2009, at 6:01 AM, Gabriel Zachmann wrote:
My question is: I've got a modal panel (a config sheet in a
screensaver) with a text field, and when I enter some text there one
of my methods, -changeSomething: say, gets called.
Is changeSomething executed in a different thread than my main code?
All GUI events and action methods are executed on the main thread.
You're being a bit paranoid regarding threads. Multi-threaded
programming is a mine field, so it's good to be wary about embarking
on that, yourself. However, exactly because it's so tricky, the Cocoa
frameworks are not going to just arbitrarily invoke your code on some
random thread. If the frameworks do something like that, you can be
assured there will be warnings about it in the relevant
documentation. Otherwise, frankly, none of us could make a move for
fear of stepping on a mine.
Cheers,
Ken
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