Date: Sun, 05 Jan 2003 14:13:41 -0800 (PST) From: =?ISO-8859-1?Q?Mikko_Ty=F6l=E4j=E4rvi?= <mbsd@pacbell.net> To: Rahul Siddharthan <rsidd@online.fr> Cc: Marcin Dalecki <mdcki@gmx.net>, freebsd-hackers@FreeBSD.ORG Subject: Re: Synaptics touchpad extendid support. Message-ID: <20030105135944.K18514-100000@atlas.home> In-Reply-To: <20030105065921.GA1481@papagena.rockefeller.edu>
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First, many thanks to Marcin.
On Sun, 5 Jan 2003, Rahul Siddharthan wrote:
> Marcin Dalecki wrote:
> > Here is my first cut at support for the Synaptics touchpads, which are
> > commonly used on notebooks. Contrary to the default "Windows
> > installation mode" those devices come up at boot, this is enabling
> > full support for all buttons present on the device and works nicely
> > with moused together.
>
> I just tried it. Couple of issues:
Me too.
> 1. The "speed" of the pointer on the screen is way faster now. I
> corrected that with some XF86Config options.
Easy enough to fix with scaling. To me the pointer also feels
slightly "detached" or lagging, as if attached to my finger with a
rubberband... Some kind of filtering, or an artifact from the
absolute->relative conversion, perhaps. Oh, well, it works well enough.
> 2. The pad has 4 buttons; left and right work as before. In between,
> there are a small up and down button. Now the up button acts as the
> middle button (button 3?) -- ie I can paste with it. The down button
> still does nothing. I tried playing with the moused parameters and
> the XF86Config ZAxisMapping settings, to no avail.
>
> 3. Earlier, tapping on the touchpad would emulate a left click. It
> no longer does anything (not sure whether that's good or bad).
I used to hate tapping, but now when it is gone, I can't decide
whether I want it or not :-)
A look in the specs show that tap processing has to be done entirely
in software when the touchpad is in this mode, i.e. not just a matter
of twiddling a bit.
> What I'd like is to emulate 3 buttons with simultaneous left-right
> clicking, as before; have the "up" button behave like scrolling a
> mousewheel up; and have the "down" button behave like scrolling a
> mousewheel down. I thought the
> Option "ZAxisMapping" "4 5"
> in XF86Config, and
> moused -m 4=3 -m 5=4
> would do it. But no luck (though the above moused options do stop the
> up button from acting like a middle button).
>
> Any ideas, anyone?
I just made it work (-current, XFree86 4.2.1). Like this:
The buttons are 1/3 (left/right) and 4/2 (up/down). Looks like moused
is incapable of both mapping physical button 2 to something and at the
same time emulating a middle button as left+right (with the -3 flag).
But the following works in X:
* Make moused map up/down into buttons 4/5:
moused -m 4=2 -m 5=4 -p /dev/psm0 -t auto
* Make X do the rest. From XF86Config (for XFree 4.2):
Section "InputDevice"
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "Auto"
Option "Device" "/dev/sysmouse"
Option "Resolution" "100"
Option "Emulate3Buttons"
Option "Buttons" "5"
EndSection
This makes X handle emulation of the middle button. Hmm... looks
like there already is a default ZAxisMapping. If you have
problems, try adding
Option "ZAxisMapping" "4 5"
Now I have to decide whether I want this, or if I want a real middle
button. Decisions, decisions...
$.02,
/Mikko
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