Linux implementation of the IBM Small red dot plus middle key to achieve the rolling screen

New File/etc/hal/fdi/policy/mouse-wheel.fdi

Write the following:

<match key= "info.product" string= "TPPS/2 IBM TrackPoint" >

<merge key= "Input.x11_options. Emulatewheel "Type=" string >true</merge>

<merge key= "Input.x11_options. Emulatewheelbutton "Type=" string >2</merge>

<merge key= "Input.x11_options. Yaxismapping "type=" string ">4 5</merge>

<merge key= "Input.x11_options. Xaxismapping "type=" string ">6 7</merge>

<merge key= "Input.x11_options. Emulate3buttons "Type=" string >true</merge>

<merge key= "Input.x11_options. Emulatewheeltimeout "Type=" string >200</merge>

</match>

2. After reboot, enter at the command line

XInput set-int-prop "Tpps/2 IBM trackpoint" "Evdev Wheel emulation" 8 1

XInput set-int-prop "Tpps/2 IBM trackpoint" "Evdev Wheel emulation

Button "8 2

XInput set-int-prop "Tpps/2 IBM trackpoint" "Evdev Wheel emulation Y

Axis "8 4 5

XInput set-int-prop "Tpps/2 IBM trackpoint" "Evdev Wheel emulation X

Axis "8 6 7

Reboot

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