Re: Autolayout Freespace
Re: Autolayout Freespace
- Subject: Re: Autolayout Freespace
- From: Luther Baker <email@hidden>
- Date: Wed, 11 Dec 2013 23:54:02 -0600
Thanks - and yeah, I'm trying to avoid calculation.
And just to clarify, if I need to do some manual calculation, would I be
using frames, etc? "Frame" feels like such a dirty word in autolayout
world; is there something else specific to autolayout (like intrinsic size
- obviously not in this case) ...
Also, if I need to do some manual calculation, would I do that in the
view's layoutSubviews - and would I remove and create constraints in that
method also - and then tell them to lay themselves out again from that
method as well?
Back to the original question, do I misunderstand priorities? Can these act
as weights at all ... or does the highest priority just win?
Thanks.
On Wed, Dec 11, 2013 at 11:28 PM, <email@hidden>wrote:
>
>
> Sent from my iPhone
>
> > On 2013/12/12, at 13:50, Luther Baker <email@hidden> wrote:
> >
> > Is there a way autolayout can be told to proportionally divide available
> > free space amongst a set of views?
> >
> > For example (please ignore the actual 'VFL' and consider the following
> > horizontal layout string as pseudo code):
> >
> > H:|-[FirstName]-[LastName]-[SocialSecurity]-[Birthday]-[Age]-|
> >
> > Assume that each control hugs its own content tightly and that in the
> > simple case, the initial display ends up requiring only 50% of the
> > available parent view width.
> >
> > Can I set up the constraints so that the remaining space is divided up
> > according to some user-defined relative weighting mechanism? IE: I want
> the
> > FirstName and LastName textfields to grow - receiving 20% each of the
> > remaining space with the Birthday button then getting the final extra
> 10%?
> >
> > Using resistance and hugging properties, I know how to make 1 control
> > receive all the extra space ... but I don't know how to balance free
> space
> > across several controls.
> So this is where you might use long form.
> But basic thing is you need to calculate. Then set the metrics. Of course
> you might need to do some KVO or other means of keeping in sync with
> resizing.
>
> You might also just consider NSStackView designed for this purpose.
>
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