[wplug] [SOLVED] Thinkpad middle button

Alexandros Papadopoulos apapadop at cmu.edu
Mon Sep 1 15:12:26 EDT 2003


On Monday 01 September 2003 13:19, Alexandros Papadopoulos wrote:
> Debian never ceases to amaze me...
>
> I did a dist-upgrade from stable to testing yesterday night, and to my
> astonishment the middle button of my Thinkpad (T23) started working as a
> scroll-button, which is the default behavior under Windows.
>
> That's fine with me, but the side effect is that I don't have the UNIX-like
> paste any more (select + then middle-click), and some other KDE necessities
> that depended on that button (e.g. maximize window vertically).
>
> Does anyone know of a way of having all behaviors? When kept pressed and
> the mouse moves, scroll the window. When just pressed once, act as a
> regular middle click.

Answering my own question:

Yes, it is possible. The middle button is used as a scroll wheel, and 3-button 
emulation is used to get a "Middle click" effect when pressing left+right 
button together.

The relevant section from /etc/X11/XF86Config-4:
Section "InputDevice"
        Identifier      "nipplestick"
        Driver          "mouse"
        Option          "CorePointer"
        Option          "Device"                "/dev/psaux"
        Option          "Protocol"              "PS/2"
        Option          "Emulate3Buttons"       "true"
        Option          "Emulate3Timeout"       "50"
        Option          "EmulateWheel"          "true"
        Option          "EmulateWheelButton"    "2"
EndSection

Cheers

-A
-- 
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