Brice Goglin wrote, On 12/23/-28158 02:59 PM: > Ruben Porras wrote: > >> If I add the Virtual option, I get the same effect as before >> with Xinerama. If I remove the Virtual both monitors have the same copy >> of the image. >> >> Neither of the is what I have before. Before I have two independent >> monitors. It was not possible to move windows across them, etc. it was >> not like Xinerama. >> >> So, I would not say that I can upgrade reteining the old behaviour :( >> >> > > That's right. > > Why do you need 2 independent screens?
For me, it's because I can't define DPI on a per display basis, only per screen. My laptop has a high DPI display (small physical size but high resolution), requiring a higher (>96) DPI display setting for text to be comfortably (physically) large (and sharp). I have a stand-alone display that is physically large, but not very high resolution, so a lower (<=96) DPI setting works to display more (if uglier) legible (physically sizable) text. When using both the laptop and stand-alone display in a multi-head configuration, it makes sense to maintain those DPI properties, and right now that can only be done in a multi-/screen/ (/not/ multi-display (single-screen) (ala xrandr 1.2/xinerama)) configuration (since DPI is per screen, not per display).
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