Re: Secondary run loops?
Re: Secondary run loops?
- Subject: Re: Secondary run loops?
- From: Chris Suter <email@hidden>
- Date: Thu, 10 Aug 2006 14:03:02 +1000
On 10/08/2006, at 1:48 PM, Andrei Tchijov wrote:
calling
[[ NSRunLoop currentLoop ] runUntilDate: [ NSDate
dateWithTimeIntervalSinceNow: 1.0 ]]
in place of WaitNextEvent() might help
You should be aware that doing things this way might mean that
whatever you're doing could get interrupted for a time if the user
can do things that take a while. For example, many things process
their own events whilst the mouse is down. Or you might have an
application modal dialog that gets displayed which again processes
events outside of your control. You'd also obviously want to avoid
recursion. The other thing to be wary of with the approach is that
you need to process the run loop sufficiently fast that the user
interface still seems responsive; calling the method above every,
say, 10 loops might work well on your machine but not on a slower
machine.
Using a separate thread to do the work you need avoids these
problems, although is arguably more complicated to implement.
The other option is to use the application modal stuff. See
beginModalSessionForWindow: in NSApplication.
- Chris
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