Laptop and external monitor/projector setup?

Keith Packard keithp at
Sun Jun 3 19:10:03 PDT 2007

On Mon, 2007-06-04 at 00:50 +0100, Jonathan Underwood wrote:

> OK, a more modest "want": when the monitor is plugged in with a
> resolution of 1280x1024, the laptop display at 1280x800 is clipped.
> What I'd like is that the laptop display will "scroll down" when i
> move the mouse off the bottom, like you get when you set Virtual xxxx
> yyyy in the Device sub section. I have tried adding a Virtual
> directive, but it seems to have no effect...

When we added RandR 1.2 support, we removed panning support as the
current setup doesn't make a lot of sense when you have multiple
monitors that create an extended desktop (you want the monitors to stay
put in this case).

There was a proposal to add an explicit 'panning rectangle' to RandR 1.2
for each crtc and have them pan within that. Alternatively, we could
make the window manager or other agent pan the desktop as needed using
the existing RandR 1.2 controls.

keith.packard at
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