Re: SetHidden on two objects... Slow to hide
Re: SetHidden on two objects... Slow to hide
- Subject: Re: SetHidden on two objects... Slow to hide
- From: Trygve Inda <email@hidden>
- Date: Thu, 27 Jul 2006 12:24:48 +0000
- Thread-topic: SetHidden on two objects... Slow to hide
>
> On Thursday, July 27, 2006, at 05:29AM, Trygve Inda <email@hidden>
> wrote:
>
>> I call:
>>
>> [myViewA setHidden:YES];
>> [myViewB setHidden:YES];
>>
>> A is a spinning progress indicator, B is a text field. The spinner
>> disappears about .75 seconds before the text regardless of the order of
>> these lines.
>>
>> Is the only way to hide them simultaneously (to the user) to encapsulate
>> them in an NSView containing object?
>>
>> I would have thought that setHidden would queue them up to be redrawn the
>> next time through the loop and thus they'd vanish at the same time.
>
> My guess is that due to the animation, the progress indicator will be updated
> when it needs to render the next frame. It may be the case where each frame
> in the animation forces a redisplay of itself. Then, the text field will
> wait until the next iteration through the run loop.
>
> Possible workarounds are to put them both in a single view as you've
> mentioned, or to do a direct refresh of them using - (void)display.
Hmm... Neither of these works - the spinner always goes away first... Even
if I remove the call to stop the animation.
Trygve
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