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Re: touchpad too sensitive



On 7/29/05, Andy Dolbey <andy.dolbey@gmail.com> wrote:
> On 7/28/05, Will Maier <willmaier@ml1.net> wrote:
> > Can you give more information? What do the 'input devices' sections of
> your
> > XF85Config file say? Are you using the synaptics driver (try 'lsmod
> synaptic')?
> > There are several options for the X11 config file that are relevant:
> >     MinSpeed
> >     MaxSpeed
> >     AccelFactor
> > 
> > Some others as well. Depending on your desktop environment, you may also
> have
> > graphical utilities to configure these options ((k|q)synaptic on KDE,
> 'Mouse
> > Preferences' or similar in Gnome...).
> 
> 
> Sorry for the lack of info, poor form on my part.  
> 
> I thought I had loaded the synaptics driver, but it was the "synaptic
> package manager" I had loaded.   Different piece altogether.
> 
> Below is the relevant portion of my XF86Config-4 file, which comes
> totally from automated processes (the debian install run, driver
> installation for the intel graphics chip, etc.), none of it by manual
> tweaking:
> 
> 
> Section "Module"
>         Load    "GLcore"
>         Load    "bitmap"
>         Load    "dbe"
>         Load    "ddc"
>         Load    "dri"
>         Load    "extmod"
>         Load    "freetype"
>         Load    "glx"
>         Load    "int10"
>         Load    "record"
>         Load    "speedo"
>         Load    "type1"
>         Load    "vbe"
> EndSection
> 
> Section "InputDevice"
>         Identifier      "Generic Keyboard"
>         Driver          "keyboard"
>         Option          "CoreKeyboard"
>         Option          "XkbRules"      "xfree86"
>         Option          "XkbModel"      "pc104"
>         Option          "XkbLayout"     "us"
> EndSection
> 
> Section "InputDevice"
>         Identifier      "Configured Mouse"
>         Driver          "mouse"
>         Option          "CorePointer"
>         Option          "Device"                "/dev/input/mice"
>         Option          "Protocol"              "ImPS/2"
>         Option          "Emulate3Buttons"       "true"
>         Option          "ZAxisMapping"          "4 5"
> EndSection
> 
> The MinSpeed, MaxSpeed, AccelFactor you mention were not included
> during the debian sarge install.  Nor was the synaptics driver.  I'll
> look into these today.
> 
> It was the synaptics touchpad driver you were talking about:
> 
>   http://www.synaptics.com/support/drive.cfm
> 
> not the package management system:
> 
>   http://www.nongnu.org/synaptic/
> 
> ... right??
> 
> 
> > > I've tried using tpconfig to disable tap mode, but that doesn't fix
> > > this problem.  It's almost like I need to just turn the touchpad off
> > > completely while I'm typing text.
> > 
> > What did you try with tpconfig?
> 
> I tried turning off the tapmode like this:
> 
>    root# tpconfig -t 0
> 
> but this didn't help matters.
> 
> 
> Hopefully installing the synaptics driver will help.
> 
> Andy

Hi Andy,

Yes it is the Synaptics touchpad driver that is relevant here. The
Synaptic Package Manager serves a different purpose: it is basically a
front-end to apt/dpkg, the Debian package management system. One has a
final 's', the other doesn't.

I have a synaptic touchpad on my laptop (Alienware Area 51-M 5500) and
here is the touchpad section of my /etc/X11/XF86Config-4:

Section "InputDevice"
        Identifier      "Synaptics Touchpad"
        Driver          "synaptics"
        Option          "CorePointer"
        Option          "Device"                "/dev/psaux"
        Option          "Protocol"              "auto-dev"
        #Option         "Emulate3Buttons"       "true"
        Option          "ZAxisMapping"          "4 5"
        Option          "LeftEdge"              "1700"
        Option          "RightEdge"             "5300"
        Option          "TopEdge"               "1700"
        Option          "BottomEdge"            "4200"
        Option          "FingerLow"             "25"
        Option          "FingerHigh"            "30"
        Option          "MaxTapTime"            "180"
        Option          "MaxTapMove"            "220"
        Option          "VertScrollDelta"       "100"
        Option          "MinSpeed"              "0.06"
        Option          "MaxSpeed"              "0.12"
        Option          "AccelFactor"           "0.0010"
        Option          "SHMConfig"             "on"
        #Option         "Repeater"              "/dev/ps2mouse"
EndSection

Don't forget to include

    Load "synaptics"   # with a final 's'

in the Module section. Then in the ServerLayout section, I have:

   InputDevice     "Synaptics Touchpad" "CorePointer"

See also
  man synclient
  man syndaemon

Good luck,
Dominique



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