Re: [Notion-devel] Notion/X11 data model: root windows and screens

[Arnout E. <no...@bz...>]

On Sat, Aug 06, 2011 at 01:49:34PM +0200, Arnout Engelen wrote:
> https://sourceforge.net/tracker/?func=detail&aid=3349390&group_id=314802&atid=1324528
>
> notion/mod_xinerama are not implemented correctly. I see 2 obvious ways 
> forward:
> 
> a) Modify mod_xinerama to not put the WScreen's for the physicial screens 
> directly under the WRootWin. Instead, we could introduce a WGroupS (group of
> screens), put the WGroupS under the WRootWin and put the WScreen's under that
> WGroupS
> 
> b) Continue to put (one or multiple) WScreen's under the WRootWin. In this 
> case WRootWin should no longer be a WMPlex - and thus no longer a WScreen.
> Instead, WRootWin would become a subclass of WGroup of WScreen's, and also in
> the non-Xinerama case contain 1 WScreen. A WRootWin would continue to 
> correspond to an X Screen, and a WScreen would correspond to a physical 
> monitor.
> 
> Any comments? As far as I can see now, option 'b' seems like a larger change, 
> but on the other hand the end-result seems more elegant and easier to maintain.

This is not an academical issue btw: our current workaround (the original, 
incorrect behavior) does not allow us to resize the WScreen's at all - of 
course that won't do, for example when the resolution is changed.


Arnout