[xmonad] mplayer moves 1 step right and 1 step down

[Carsten Mattner]

On Fri, Jun 22, 2012 at 11:30 PM, Brandon Allbery <allbery.b at gmail.com> wrote:
> On Fri, Jun 22, 2012 at 5:21 PM, Carsten Mattner
> <carstenmattner at googlemail.com> wrote:
>>
>> On Fri, Jun 22, 2012 at 11:07 PM, Brandon Allbery <allbery.b at gmail.com>
>> wrote:
>> > On Fri, Jun 22, 2012 at 4:29 PM, Carsten Mattner
>> > <carstenmattner at googlemail.com> wrote:
>> >> If I return mplayer from fullscreen the floating window
>> >> moves 1 step right and 1 step down. Didn't measure how
>> >> many pixels it moves.
>> >
>> > Known, difficult to fix.
>> >  http://code.google.com/p/xmonad/issues/detail?id=431
>>
>> Does it happen with any other applications? Sounds like changing
>> MPlayer's fullscreen mode wouldn't make a difference.
>>
>> What's the difficulty?
>
>
> It's not related to mplayer at all, but to the way borders interact with
> floating windows and inappropriately relying on the saved window position.
>  In short, when the position of a floating window is (re)computed, it gets
> shifted by the border width.  (It's more complicated than this, but that's
> the gist.  The actual details involve the inner workings of
> XMonad.Operations.windows.)

OK. I'll see if I can add a rule to set MPlayer's borderWidth to 0.
Maybe that could work around the issue. The list of applications
I fullscreen and un-fullscreen is short.