[xmonad] proposal: add extra screen parameter to runLayout

[Spencer Janssen]

On Wed, Mar 26, 2008 at 11:32:38AM -0400, David Roundy wrote:
> On Wed, Mar 26, 2008 at 11:25:32AM -0400, Brent Yorgey wrote:
> > On Wed, Mar 26, 2008 at 10:51 AM, David Roundy <droundy at darcs.net> wrote:
> > > Why not just check the rectangle against the screen rectangle? That sounds
> > > simpler and safer to me.
> > 
> > I'm not sure that I follow.  Are different screens guaranteed to have
> > different rectangles?
> 
> If they don't have different rectangles, then they are displaying the same
> contents.  A window isn't located on a "screen", it's located at a
> coordinate in an abstract space.  If a point is in a screen rectangle then
> it's visible on that screen.  If it's in multiple screen rectangles, then
> multiple screens are displaying it (which would be the case if you're
> mirroring content... I imagine xinerama can do this).  So if two screens
> *do* have the same rectangle, then they ought to have the same gap (and
> really should hold the same workspace).
> -- 
> David Roundy
> Department of Physics
> Oregon State University

I note that we currently remove duplicated screen rectangles, so it is true
that each screen is uniquely identified by rectangle.  I'm not sure that I'd
rely on this property too heavily, though.


Cheers,
Spencer Janssen