On Thu, Nov 01, 2012 at 12:26:00AM -0400, Ryan C. Gordon wrote: > Two other unrelated n00b questions from me, to make sure I'm understanding > the system correctly: > > - Should all the places we say "screen" in this spec really say "monitor"? > I'm using a lot of overloaded X11 vocabulary interchangeably, and I probably > shouldn't.
On a multi-head RANDR system, there is a single "Screen" stretched across the multiple displays or monitors. > - Is there always one root window per monitor? I have text for setting a root > window property, and it's more useful if it can note the current fullscreen > window for that monitor (to cover Martin's concerns). If there's only one > root window that covers all monitors, I need to change this to be an array. > My understanding is that Xinerama stretches the root window across multiple > monitors, but my reading of XRandR is that this isn't true there. You can see > the text in question, in both forms, here: > > http://hg.icculus.org/icculus/wm-fullscreen-spec/rev/50b9d9a09539 > > ... the _NET_RESOLUTIONS property as it currently stands is only useful if > the app can effectively enumerate multiple root windows, too, or if the app > doesn't care what monitor it lands on. > RANDR uses one screen for multiple monitors, and one root window for that screen. Thus one root window for all monitors. Xinerama uses multiple screens which are stitched together. I don't know about use cases where there are multiple root windows in an X session, but that would be an uncommon layout at best. Bryce _______________________________________________ wm-spec-list mailing list wm-spec-list@gnome.org https://mail.gnome.org/mailman/listinfo/wm-spec-list
