On Friday 18 September 2015 14:44:20 Grant Edwards wrote: > On 2015-09-18, J. Roeleveld <jo...@antarean.org> wrote: > >> There's a few reasons you might want more than one screen. Primary one > >> is two heads and two video cards with different resolutions and dpi. > >> Xinerama and big desktop et al will use the lower setting for both. > > > > Actually, this desktop has xinerama enabled in USE-flags. IOW, I'm > > assuming I am using Xinerama on here. I can change the resolution of > > either screen and it all still works. (apart from the weird look of > > windows on the other screen) > > But can you set DPI independenty for the two monitors? I'm guessing > not, since you mention the "weird look of windows" -- that's probably > due to use of the wrong DPI on one of the monitors. With multiple > screens, you _can_ set DPI correctly for two different monitors. > > >> Some folk have 2 screens just because they've always done it that way > >> for years and don't want to change > >> > >> These days the usual case is one video card with more than one output > >> so you connect identical monitors to each. For that, one big desktop > >> makes sense. > > > > Same with laptops, all laptops I've used in the past 5 years all had > > the option to add a 2nd display and use that. Even with differing > > resolutions, it works the same way. Plug it in, change the setting if > > necessary (kdesettings does a good job with that) and I have 2 > > screens where i can move windows back and forth. It's great for > > presentations. Can open a text-file with the passwords on the laptop > > screen and copy/paste them from there onto the big screen everyone > > else sees. > > Except for the "moving windows back and forth" it works the same with > dual screens except you can properly set DPI for both of them.
Not with the kdesettings. I tend to always use the native resolution of the screens. > There is one other disadvantage of having multiple screens that I > forgot to mention. Apart from the gtk-3 selection brokenness, there > are some buggy X apps which just plain refuse to run on multiple > screens simultaneously (Firefix is one). They were apparently written > by MS-Windows programmers based on the assumption that a computer is > always used by exactly one person to run exactly one program on > exactly on screen. Most other X apps are properly written and support > multiple screens just fine. I'll test without "xinerama" in the near future and let you know. (requires a rebuild of a lot of stuff...) -- Joost
