Re: setting NSSlider floatvalue from different thread
Re: setting NSSlider floatvalue from different thread
- Subject: Re: setting NSSlider floatvalue from different thread
- From: Karim Morsy <email@hidden>
- Date: Wed, 15 Feb 2006 13:02:55 +0100
Hi,
This is the code for the callback functions that gets called
repeatedly (about 50 times per second) on a seperate thread (which is
not the main thread).
(I am trying to animate a slider according to specific float values,
and I want to the slider to keep moving even if another button is
pressed, which usually blocks the main thread)
{
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
id mySlider= (id)inObject;
//[mySlider setFloatValue: inValue]; // obviously this is not
allowed (according to the docs)
NSArray * arr= [NSArray arrayWithObject:NSEventTrackingRunLoopMode];
NSNumber *num= [NSNumber numberWithFloat:inValue];
[mySlider performSelectorOnMainThread:@selector(setObjectValue:)
withObject:num waitUntilDone:NO modes:arr];
[pool release];
}
Nothing ever happens to the slider ... can anyone see what I am doing
wrong ?
Thanks,
Karim
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