Re: CALayer-hosting view and child NSView's
Re: CALayer-hosting view and child NSView's
- Subject: Re: CALayer-hosting view and child NSView's
- From: Oleg Krupnov <email@hidden>
- Date: Thu, 1 Jul 2010 10:14:48 +0300
Right, I want to add subviews into a layer-hosting view.
I want to do this, in particular, because I want the "cells" in my
custom view to drop shadows. If I implement cells like simple subviews
and use layer-backed view, I can't seem to do it, can I?
I have performed an experiment right now and it seems that it's okay
to add subviews to a layer-hosting view. It seems to work fine. Is
there any explicit prohibition to do so in the docs?
Thanks.
On Thu, Jul 1, 2010 at 10:07 AM, Scott Anguish <email@hidden> wrote:
> A layer-hosting view can’t have subviews, which is what it sounds like you want to do in the second to last paragraph.
>
>
> Why can’t you just use layer-backed views? You get the controls, you can still do animation using the animation proxy and the other animation methods.
>
> On Jun 30, 2010, at 5:27 AM, Oleg Krupnov wrote:
>
>> Hi,
>>
>> I'd like to create a custom view based on Core Animation, namely, a
>> layer-hosting view. In other words, I'd like to directly manipulate
>> layers in my code rather than using children NSView's.
>>
>> The custom view is like a matrix consisting of cells. Each cell is
>> represented with a separate CALayer.
>>
>> However, certain cells should contain standard buttons like if they
>> were "child views" of those cell layers. In other words, when I move
>> the cell layer, the button needs to move synchronously; when I hide
>> the cell layer, the button needs to hide as well.
>>
>> I would like to use the standard NSButton control, to avoid
>> reinventing the wheel.
>>
>> But if I just place the button as a first-level child view of the
>> custom view, it will not be associated with its parent cell layer. I
>> also cannot access and manipulate NSButton's root layer to add it as a
>> sublayer to the cell layer, AFAIK.
>>
>> So what is the best way around?
>>
>
>
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