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Thread: Different desktop on each monitor

  1. #11

    Default Re: Different desktop on each monitor

    Ha!

    9 monitors might do the trick. But I wouldn't want to look at my electricity bill at the end of my month, heh. The more desktops I have, the more I spatially spread out, and 9 seems to be my optimal.

    1. No I haven't seen this feature in any OS but I haven't looked for it as much as I have for SuSE. I admit, the average person might not have the same type of work behavior as I might, but it was worth a try to find out whether this was possible.

    2. Yea, I'm aware of the cube. But I already go left/right/up/down through my desktops (using the HJKL keys like vim, so I never leave the home row unnecessarily). So I don't see the cube adding anything of interest to me.

    3. Clarifications in that use case: D3 has the e-mail and the feedback. I switch to [D1 D3] to modify stuff in D1 based on D3. Then I switch to [D2 D3] to modify stuff in D2 based on D3. Seriously, this is just the simplest example I could come up with to give you an idea of how the *mechanism* is supposed to work, but I have multiple ways in mind to use this "multiple view" ability.

    One may be worried about being confused, but I really think very spatially and this use is very natural to me.

  2. #12
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    Default Re: Different desktop on each monitor

    Have you tried using nvidia-settings and changing the Configuration from Twinview to Separate Displays? Click on the Configure... button.

  3. #13

    Default Re: Different desktop on each monitor

    Quote Originally Posted by hieronymous View Post
    Have you tried using nvidia-settings and changing the Configuration from Twinview to Separate Displays? Click on the Configure... button.
    Yes. Presumably, you mean "Separate X screen". That's the same as the multiple X session, and I mentioned the issues with that on my last reply to deano_ferrari.

  4. #14
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    Default Re: Different desktop on each monitor

    What you want is I think technically possible, but as far as I know not implemented.

    You want a common set of desktops because you are viewing the same set of apps. However you want independent views on the desktops. So what you need is a desktop manager that is aware of two (or more) screens. I'm not sure how that would play out technically with each screen running an X server since an app is tied to a server. Maybe the DM would have to interpose a virtual server in between, or make it all one large server and manage the views itself. AFAIK there is no DM that does this today, but I haven't looked in any depth.

    I guess you could call it multiview. It makes sense because multiviews sits in between multiscreens and multidesktops.

    Maybe current DMs could do a poor man's version by allowing some apps to be sticky in some desktops but not others. Then a virtual desktop containing the set of apps you want is a "view" in your scheme.

  5. #15

    Default Re: Different desktop on each monitor

    Well, the selective-"sticky" doesn't quite have the ability to mix-and-match arbitrary desktops at your whim easily, but it's one step closer, for sure.

    I think multiview is indeed the perfect word for what I want. The actual thing *might* be implementable in the desktop manager itself, but I don't know whether there is any way for the X server to indicate whether there are multiple views into the same desktop. Perhaps there is no need for that if there were implemented as one large virtual desktop which was logically separated into two independent views -- a DM could probably do that by itself. Anyhoo, if enough people are interested in Multiview, I don't see why it won't eventually get implemented.

  6. #16
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    Default Re: Different desktop on each monitor

    I just installed 11.1 on a computer here at work. and it is having the same problem that I reported in 11.0.

    openSUSE 11.0 Dual Desktop problems with KDE 3 and 4 - openSUSE Forums

    Dual desktop is not working. The second desk top is a black screen and you see the default X pointer when you move the mouse over. The KDE desk top is not running on the second monitor. It works on 10.3 which is what I am still running on my computer. When 11.0 or 11.1 fix the problem then I will upgrade my computer.

  7. #17

    Default Re: Different desktop on each monitor

    Just seen this post as i'm looking for the same solution. What marcianx wants (if the same as me), is the ability to be able to drag and drop a document/file/whatever onto the 2nd display and be able to work on that screen. I don't want another taskbar or desktop section, just a seperate screen from the primary.

    This is easily achieved in windows as it is nativly supported in the Nvidia drivers E.G. Having programs running on the 2nd screen whilst working on the 1st (like seeing your music/video player on one screen as you work on the other).

    In OpenSuse it's possible to configure seperate displays in the Nvidia Display Panel, but Sax2 does not allow seperate displays, only extended/clone modes. In this case the stumbling block is Sax2 not Nvidia.

    Regards

  8. #18
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    Default Re: Different desktop on each monitor

    What you are looking for is a single desktop on dual monitors, done with twinview (for Nvidia ) or Xinerama ( X11 ) monitors. Twinview in an option in the device section for an Nvidia card. Xinerama tells X11 to span the desktop across all monitors configured. I am the only one in the Computer lab that I work in that perferes dual desktops. Everyone else has single desktop on dual monitors.

    Here is one way to setup an Nvidia card useing Xinerama

    Create a copy the existing device section, add the screen line for each device section.

    Section "Device"
    Identifier "Device[0]"
    Driver "nvidia"
    VendorName "NVidia"
    BoardName "GeForce FX 5900 Ultra"
    Screen 0
    EndSection

    Section "Device"
    Identifier "Device[1]"
    Driver "nvidia"
    VendorName "NVidia"
    BoardName "GeForce FX 5900 Ultra"
    Screen 1
    EndSection

    Create a copy of the Screen section. (Below is not the full section)


    Section "Screen"
    Identifier "Screen[0]"
    Device "Device[0]"
    Monitor "Monitor[0]"
    .......
    EndSubSection
    EndSection
    Section "Screen"
    Identifier "Screen[1]"
    Device "Device[1]"
    Monitor "Monitor[0]"
    .......
    EndSubSection
    EndSection

    Here is the server layout.

    Section "ServerLayout"
    Identifier "Layout[all]"
    Screen "Screen[0]" 0 0
    Screen "Screen[1]" RightOf "Screen[0]"
    InputDevice "Keyboard[0]" "CoreKeyboard"
    InputDevice "Mouse[1]" "CorePointer"
    Option "Clone" "off"
    Option "Xinerama" "on"
    EndSection

    We are having problems with dual desktops, two seperate task bars.

    Dave

  9. #19
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    Default Re: Different desktop on each monitor

    Quote Originally Posted by dwestf View Post
    We are having problems with dual desktops, two seperate task bars.
    If you're using KDE4.1 you might want to try KDE 4.2, the task manager had a "only current screen" option added to it (worked great for me).
    And as a tip:
    Panels on the intersecting side of the screens are a bad idea in 4.2, gives some maximizing issues. So place them at either the 'furthest' sides or the top/bottom.
    Special effects <- KDE 4.2 Showing off
    More KDE -> PINK KDE

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