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Old 03-01-2010, 06:08 AM
Dan Irwin
 
Default Xorg 1.7.5, Xinerama, and LeftOf screens

I'm not sure what setup you have, but I can use tools inside gnome to
specify where each display sits (Preferences > Display). Intel
graphics, dell laptop, using inbuilt lcd panel and external 22 inch
lcd over vga. This is using Fedora 12. I imagine most setups don't yet
work this easily in linux.

Cheers,

Dan

On Mon, Mar 1, 2010 at 11:58 AM, DJ Delorie <dj@delorie.com> wrote:
>
> In case anyone else can benefit from this... I just spent 2-3 days
> hacking on the X server to get a screen to the left of the main screen
> working with Xinerama (no, I can't use Xrandr). *Here's the patch
> (yes, I'll mail it to xorg too).
>
> --- xorg-server-1.7.5/dix/events.c * * *2010-02-28 20:41:58.000000000 -0500
> +++ xorg-server-1.7.5.dj/dix/events.c * 2010-02-28 20:56:52.000000000 -0500
> @@ -765,5 +765,5 @@
> * * if (pSprite->hotShape)
> * * * *ConfineToShape(pDev, pSprite->hotShape, &new.x, &new.y);
> - * *if ((pScreen != pSprite->hotPhys.pScreen) ||
> + * *if ((noPanoramiXExtension && (pScreen != pSprite->hotPhys.pScreen)) ||
> * * * *(new.x != pSprite->hotPhys.x) || (new.y != pSprite->hotPhys.y))
> * * {
> @@ -1164,6 +1164,6 @@
> * * * *}
> *#endif
> - * * * pSprite->hotPhys.x = event->root_x;
> - * * * pSprite->hotPhys.y = event->root_y;
> + * * * pSprite->hotPhys.x = (signed short)event->root_x;
> + * * * pSprite->hotPhys.y = (signed short)event->root_y;
> * * * */* do motion compression, but not if from different devices */
> * * * *if (tail &&
> @@ -1314,5 +1314,5 @@
> * * * *syncEvents.replayDev = (DeviceIntPtr)NULL;
>
> - * * * *w = XYToWindow(replayDev, event->root_x, event->root_y);
> + * * * *w = XYToWindow(replayDev, (signed short)event->root_x, (signed short)event->root_y);
> * * * *for (i = 0; i < replayDev->spriteInfo->sprite->spriteTraceGood; i++)
> * * * *{
> @@ -2821,6 +2821,6 @@
> * * * * }
>
> - * * * *pSprite->hot.x = ev->root_x;
> - * * * *pSprite->hot.y = ev->root_y;
> + * * * *pSprite->hot.x = (signed short)ev->root_x;
> + * * * *pSprite->hot.y = (signed short)ev->root_y;
> * * * * if (pSprite->hot.x < pSprite->physLimits.x1)
> * * * * * * pSprite->hot.x = pSprite->physLimits.x1;
> --
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Old 03-01-2010, 03:37 PM
DJ Delorie
 
Default Xorg 1.7.5, Xinerama, and LeftOf screens

On 03/01/2010 02:08 AM, Dan Irwin wrote:
> I'm not sure what setup you have, but I can use tools inside gnome to

Four monitors on two nvidia GPUs set up as a single desktop running
fvwm2. Like I said, I can't use Xrandr.
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Old 03-01-2010, 08:48 PM
Marko Vojinovic
 
Default Xorg 1.7.5, Xinerama, and LeftOf screens

On Monday 01 March 2010 04:37:36 pm DJ Delorie wrote:
> On 03/01/2010 02:08 AM, Dan Irwin wrote:
> > I'm not sure what setup you have, but I can use tools inside gnome to
>
> Four monitors on two nvidia GPUs set up as a single desktop running
> fvwm2. Like I said, I can't use Xrandr.

Out of curiosity, why exactly you can't use xrandr? What does it say when you
run it?

Best, :-)
Marko

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Old 03-01-2010, 09:21 PM
DJ Delorie
 
Default Xorg 1.7.5, Xinerama, and LeftOf screens

> Out of curiosity, why exactly you can't use xrandr? What does it say
> when you run it?

It doesn't work with two video cards. According to the web, I need
Xrandr 1.3, but only 1.2 is available to me.

OTOH I'd really like to be proven wrong about this :-)
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