CATransactions not working
CATransactions not working
- Subject: CATransactions not working
- From: Adam Radestock <email@hidden>
- Date: Sun, 18 May 2008 17:00:36 +0100
Hi everyone,
I've been struggling to work out how to animate some properties on my
NSButton subclass. I have looked through all the examples given in
Apple's docs, but can't work out why my code doesn't animate.
My code is:
[CATransaction begin]; // Begin grouping animated property changes
if (highlightEffect == SGUIButtonOpaqueEffect) {
[CATransaction begin];
[CATransaction setValue:[NSNumber numberWithFloat:5.0f]
forKey:kCATransactionAnimationDuration];
self.layer.opacity = 1.0;
[CATransaction commit];
} else if (highlightEffect == SGUIButtonSlideEffect) {
[CATransaction begin];
[CATransaction setValue:[NSNumber numberWithFloat:1.0f]
forKey:kCATransactionAnimationDuration];
self.layer.bounds = CGRectMake(self.layer.position.x,
self.layer.position.y, self.bounds.size.width + 10,
self.bounds.size.height);
[CATransaction commit];
[CATransaction begin];
[CATransaction setValue:[NSNumber numberWithFloat:2.0f]
forKey:kCATransactionAnimationDuration];
self.layer.position = CGPointMake(self.layer.position.x -
self.layer.bounds.size.width, self.layer.position.y);
[CATransaction commit];
}
[CATransaction commit];
Can anyone see any problems with this? Why aren't there any animations
when this code executes?
Any help greatly appreciated.
Adam Radestock
Glass Monkey Software
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