Re: NSThread, drawing and waiting
Re: NSThread, drawing and waiting
- Subject: Re: NSThread, drawing and waiting
- From: Dirk Stegemann <email@hidden>
- Date: Wed, 27 Jul 2005 00:59:09 +0300
Hi,
Am 27.07.2005 um 00:33 schrieb Damien Sorresso:
The `RNRequirementManager' has an array of `RNRequirement' items
that it goes through and calls the ``searchForItem" methods for.
Here's what that code looks like.
for( i = 0; i < numResults; i++ ) {
int condition = [[requirementsArr objectAtIndex:i] lockCondition];
[conditionLock lock];
[conditionLock unlockWithCondition:condition];
[NSThread detachNewThreadSelector:@selector(searchForItem)
toTarget:[requirementsArr objectAtIndex:i]
withObject:nil];
[conditionLock lockWhenCondition:0];
[conditionLock unlock];
// Tell delegate what to do
// ...
}
I had pretty much success by spawning a "worker" thread to do the
heavy work; then every time I wanted the GUI being updated using
information created by this worker thread, it used NSObject's
- (void)performSelectorOnMainThread:(SEL)aSelector withObject:(id)arg
waitUntilDone:(BOOL)wait;
method to run a tiny method which updates the GUI accordingly.
Regards,
Dirk Stegemann
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