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List:       freedesktop-xorg
Subject:    Re: [synaptics] Configure clickpad right button
From:       Peter Hutterer <peter.hutterer () who-t ! net>
Date:       2015-01-19 9:50:16
Message-ID: 20150119095016.GA29671 () jelly ! redhat ! com
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On Sun, Dec 21, 2014 at 07:35:31PM +0100, Olausson, Bjoern wrote:
> Hej xorg users and devs,
> 
> I am struggling to configure my clickpad to my usage behavior.
> 
> What I want to achieve is the following:
> The right button should extend from the most lower left to the most lower
> right corner and the height should be 10% from the total height of the
> touch area (~1 cm towards the top starting from the bottom).
> 
> And the sugar coating on top would be to disable this are for mouse
> movements.
> 
> I tried to play with the following var in my 50-synaptics.conf
>                                          "RBL RBR RBT RBB MBL MBR MBT MBB"
> Option "SoftButtonAreas" "0      0      82% 0       0      0       0
> 0"
> Option "AreaBottomEdge" "x"
> 
> The easy part was how to figure out to make the button extend over the
> entire width of the clickpad.
> Setting RBL and RBR bot to zero worked fine, but I was never able to move
> the button to the bottom.
> I manage to get a ~1cm high strip in the middle but I never managed to move
> it to the bottom...
> 
> But somehow those % are not logic to me. 82% and 100% does the same ~50% of
> the touchpad from the bottom is a right button. 5% makes the entire
> touchpad a right button...
> Same for RBB but vice versa...
> 
> Can anyone enlighten me how the % are calculated and from where to where. I
> could make sense of the RBT and RBB values.
> 
> I am currently using:
> xf86-input-synaptics 1.7.4
> KDE4 4.14.3

just for the archives, this touchpad is from an X1 Carbon 2nd with the pnpid
LEN0037. It was missing from the kernel min/max fixes, patch is on the
kernel lists now.

Cheers,
   Peter
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