Re: Extended Layout Summary
- From: Behdad Esfahbod <behdad behdad org>
- To: Matthias Clasen <matthias clasen gmail com>
- Cc: Gtk+ Developers <gtk-devel-list gnome org>
- Subject: Re: Extended Layout Summary
- Date: Wed, 21 Nov 2007 23:09:30 -0500
On Wed, 2007-11-21 at 22:10 -0500, Matthias Clasen wrote:
> On Nov 21, 2007 3:04 PM, Behdad Esfahbod <behdad behdad org> wrote:
> > On Nov 20, 2007 10:07 PM, Matthias Clasen <matthias clasen gmail com> wrote:
> > > On Nov 20, 2007 8:45 PM, Behdad Esfahbod <behdad behdad org> wrote:
> > >
> > > > a) Maximize number of children taking their natural size.
> > >
> > > I am not convinced this is always the best strategy. Doesn't this
> > > encourage starving
> > > one child in favour of the rest of the pack getting their natural size?
> > Right. We can add another goal to avoid starvation:
> > c) If child i takes its natural size and child j doesn't, child j
> > should have received at least as much gap as child i.
> > The algorithm I sketched satisfies this too.
> Yeah, true.
> Alternatively: there shall not be both children who receive less than
> their natural width and children that receive more than their natural
Yes, that part was implied in my discussion. If there is room to give
every child its natural size or more, that's what should be done.
> Anyway, I don't think that the example of "bunch of ellipsiizing
> labels" can be generalized to make the
> case that the hippo-style algorithm is always better than some linear
> distribution scheme.
> One thing that I have not seen mentioned in this discussion so far is
> the fact that it is ultimatively an implementation detail of the
> container how it distributes its allocation to its children. There is
> prohibiting a linearly-distributing container and a hippo-style
> container from coexisting. Both can use
> the same extended layout interface. It would also be possible to make
> the distribution algorithm
Very good point.
"Those who would give up Essential Liberty to purchase a little
Temporary Safety, deserve neither Liberty nor Safety."
-- Benjamin Franklin, 1759
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