On May 19, 2011, at 15:01, Nick wrote:
> No, only fade out (and fade in) effects are needed. I just added frame
> movement to see if animation works at all. Animation does work, but
> the fade does not happen - no matter, if the frame is moved
> simultaneously or not.
Here's my actual code for doing this. It works.
> NSMutableArray* dictionaries = [NSMutableArray array];
>
> // Create a dictionary for the animation parameters
>
> NSMutableDictionary* dictionary = [NSMutableDictionary
> dictionaryWithObject: subview forKey: NSViewAnimationTargetKey];
> [dictionaries addObject: dictionary];
>
> // Add a key for the target frame rect, if necessary
>
> if (!shouldBeHidden || !NSEqualRects (oldFrameRect, newFrameRect))
> [dictionary setObject: [NSValue valueWithRect: newFrameRect]
> forKey: NSViewAnimationEndFrameKey];
>
> // If the visibility is changing, add a key for the fade in or out
>
> if (!isHidden != !shouldBeHidden)
> {
> [dictionary setObject: shouldBeHidden ?
> NSViewAnimationFadeOutEffect : NSViewAnimationFadeInEffect forKey:
> NSViewAnimationEffectKey];
>
> // Work around a Snow Leopard bug ...
>
> if (!shouldBeHidden)
> [subview setHidden: shouldBeHidden];
> }
>
> // Create the animation
>
> NSViewAnimation* viewAnimation = [[NSViewAnimation alloc]
> initWithViewAnimations: dictionaries];
>
> viewAnimation.duration = 0.25;
> viewAnimation.animationCurve = NSAnimationEaseIn;
>
> [viewAnimation startAnimation];
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