Re: [dwm] remembering client order in each tag

On Thu, Sep 07, 2006 at 11:44:52AM +0200, Anselm R. Garbe wrote:
> On Thu, Sep 07, 2006 at 11:29:34AM +0200, Sander van Dijk wrote:
> > On 9/7/06, Anselm R. Garbe <arg_AT_10kloc.org> wrote:
> > >> This is almost okay, especially when you have more than two clients.
> > >> However, with only two clients that overlap (say the editor and plot
> > >> window I mentioned before) this can be annoying.
> > >>
> > >> However, I am not going to insist on fixing this.
> > >
> > >I see what you notice. I'll think further about it. I believe
> > >there must be a solution which is not coincident.
> >
> > You're still fixing it in the wrong place. The order of clients in the
> > clientlist has nothing to do with z-ordering. When dwm switches to a
> > view that doesn't contain the previously focused client, it
> > (arrange(), to be specific) focuses and raises a new client. That's
> > correct behavior, but what's currently suboptimal is it's client
> > picking policy. Right now, it just picks the first visible client in
> > clients. What it should do instead is:
> >
> > a: pick the first tiled client (= mastertile) if there is one.
> > b: pick the topmost in z-order client (which makes more sense than
> > picking the first one in the clientlist in floating mode anyway) if
> > there is one.
> > c: else focus the root-window.
>
> This focus policy is fine with me, however there is no
> information about the topmost z-order client if the clientlist
> does not contain any information about this. Thus b) is a
> nice-to-have but ugly to achieve requirement. Actually one would
> need to query the X window tree to get the top most client which
> really sucks and is quite inperformant. I see a solution to keep
> track of this info in a more elegant way. If we'd extend Client
> with a pointer:
>
> Client *snext;
>
> We'd have a single linked list which could keep track of focus
> history. on any focus, a client must be pop'ed on this stack.
> focusnext/focusprev won't be affected, this stack would only be
> used in arrange() to focus the top-most client.
>
> What do you think?

This would also remember the focus state if your switch back to
a specific tag btw...

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 Anselm R. Garbe  ><><  www.ebrag.de  ><><  GPG key: 0D73F361