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I have a Kensington Orbital Optical trackball. This has two buttons and a trackball. I am using Ubuntu 10.04.
I wish to set this up so that when I click and hold the right mouse button (button 3 according to xev) and move the trackball, I get mouse scrolling behaviour.
I accomplished this once in the past with some xorg.conf file mucking, but that was probably a year and a half ago now and due to a recent downgrade, I lost the configuration file and several hours of googling have left me out of luck.
Adding to my unhappiness is that the xorg.conf file itself no longer exists so there appears to be another place which needs configuration. This is a vanilla Ubuntu 10.04 installation that's barely two days old.
What sort of configuration do I need to override evdev's defaults?
The Xorg.0.log file spits out this when I load:
(II) config/udev: Adding input device Kensington Kensington USB/PS2 Orbit (/dev/input/event5)
(**) Kensington Kensington USB/PS2 Orbit: Applying InputClass "evdev pointer catchall"
(**) Kensington Kensington USB/PS2 Orbit: always reports core events
(**) Kensington Kensington USB/PS2 Orbit: Device: "/dev/input/event5"
(II) Kensington Kensington USB/PS2 Orbit: Found 3 mouse buttons
(II) Kensington Kensington USB/PS2 Orbit: Found relative axes
(II) Kensington Kensington USB/PS2 Orbit: Found x and y relative axes
(II) Kensington Kensington USB/PS2 Orbit: Configuring as mouse
(**) Kensington Kensington USB/PS2 Orbit: YAxisMapping: buttons 4 and 5
(**) Kensington Kensington USB/PS2 Orbit: EmulateWheelButton: 4, EmulateWheelInertia: 10, EmulateWheelTimeout: 200
(II) XINPUT: Adding extended input device "Kensington Kensington USB/PS2 Orbit" (type: MOUSE)
(II) Kensington Kensington USB/PS2 Orbit: initialized for relative axes.
I am struggling with losing middle-click paste when wheel emulation is enabled. No matter how I configure it, I only seem to be able to get one or the other. – lkraav – 2011-11-13T18:47:02.447