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@xxxxxxxxxxx> 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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