This was a very busy Sunday, with a lot of soccer on tv (or how we call it outside the U.S., football), a lot of beer, and B-B-Q, like a good brazilian should. ;) In between a lot of meat, beer, checking translations, participating on a podcast, and an unexpected visit from my in-laws, I somehow managed to “play” with my TabletPC and rotate the screen. The tip came via a comment on my previous post, and involves the addition of a simple line in the xorg.conf file:Option â€Å"RandRRotationâ€Â?
Section â€Å"Deviceâ€Â? Identifier    â€Â?NVIDIA Corporation NV17 [GeForce4 420 Go 32M]â€Â? Driver      â€Â?nvidiaâ€Â? BusID      â€Å"PCI:1:0:0″ Option      â€Â?RandRRotationâ€Â? EndSection Section â€Å"Monitorâ€Â? Identifier    â€Â?Generic Monitorâ€Â? Option      â€Â?DPMSâ€Â? HorizSync    28-51 VertRefresh   43-60 EndSection
All you have to do is re-start X (pressing CTRL + ALT + BACKSPACE worked for me) and, opening a terminal, typing the following command:
xrandr -o { left | right | inverted | normal }
As you can see in the screenshot abaixo, my TabletPC’s screen was
rotated 90 degrees:
The only issue I had was with the mouse (or even the stylus pen) not
re-associating its axis, what made it very difficult to take this
screebshot.ÂÂ
 I don’t know if there’s a graphical interface for xrandr, but I am
already salivating at the possibilities for writing my own.