[linux-help] Re: XF86Config Editing

[Tom Hull <thull@xxxxxxxxxxx>]

Marc Bachman wrote:
> 
> Here's an exhaustive update on my progress: to refresh your memories, I
> am trying to edit XF86 to add a Logitech Wheel ( optical ) mouse. When I
> ran XConfigurator in text mode all was well until finishing installation
> of my mouse at which point the inevitable: Xconfigurator: line 5
> unexpected in /etc/sysconfig/mouse

The following URL looks like it might help you:

  http://www-sop.inria.fr/koala/colas/mouse-wheel-scroll/

This file goes way beyond just setting up X: it includes .Xdefaults hacks
for Netscape, and elisp code for Emacs. Also, note that it says Logitech's
OEM wheel mice do not work ("only buy color logos").

FWIW, I found this (and other potentially useful links) from google search:

  XF86Config Logitech Wheel Mouse

>                 Xconfigurator: Critical error reading
> /etc/sysconfig/mouse
>                 Xconfigurator: Check permissions of /etc/sysconfig/mouse
> 
>                 Xconfigurator: Also, make sure you are running this
> program as root
> So, I check permission :# ls -l /etc/sysconfig/mouse
>                                   -rw-r--r--  1 root  root 107 Jul 22
> 22:39 etc/sysconfig/mouse

Permissions are fine.

> So, I want to look at line 5 in /etc/sysconfig/mouse
>   root@local host/root ] # /etc/sysconfig/mouse
>                                         bash: /etc/sysconfig/mouse:
> Permission denied

/etc/sysconfig/mouse is not an executable file. It just sets a bunch
of environment variables; e.g., for /etc/rc.d/init.d scripts. To get
the variables into your shell, run:

  . /etc/sysconfig/mouse

Then you should be able to type echo $MOUSETYPE and see something.
AFAIK, the /etc/sysconfig/ files are only used by /etc/rc.d/init.d/
scripts: mouse is used by gpm, which is the console mode mouse driver.
I've run strings on X, xdm, and xinit, and find no reference to gpm
or /etc/sysconfig or even /dev/mouse.

> So just to see if KDE might work,
>                                       #startx
>                                        XF86Config:
> /usr/X11R6/lib/X11/XF86Config
>                                        (**) stands for supplied, (--)
> stands for probed/default
>                                         values
>                                         Config error:
> /usr/X11R6/lib/X11/XF86Config: 75
>                                          Chordmiddle
>                                          ^^^^^^^^^^
>                                           Can't use Chordmiddle with
> Emulate3Buttons

The above URL points out that Emulate3Buttons is incompatible with
wheel mouses. Edit the XF86Config file and comment out Emulate3Buttons
and Emulate3Timeout.

>                                           X10: fatal IO error 104
>                                          ( Connection reset by peer) on
> X server ": 0.0"
>                                          after 0 requests (0 known
> processed) with 0 events
>                                          remaining
> So, we can see that I don't know yet how to get to the files to edit
> them, if indeed that will be the best approach. I am sure I need to know
> how to deal with this situation so I can potentially offer assistance
> later. Thanks in advance, Marc

-- 
/*
 *  Tom Hull * thull at kscable.com * http://www.ocston.org/~thull/
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