Touchpad in "absolute" mode
On Thursday 17 January 2008, Sascha Hlusiak wrote:
> Am Mittwoch 16 Januar 2008 18:13:22 schrieb Alan McKinnon:
> > Hi all,
> > I haven't seen this one before. My touchpad mouse works normally,
> > until I lift my finger and place it somewhere else. Normally, the
> > pointer would stay where it is and only move when my finger moves.
> > What happens now is my I touch the pad, the pointer moves to a
> > point on the screen corresponding to where I touch the pad. Touch
> > pad on left edge, pointer moves to left edge of screen, then reacts
> > normally to finger moving again. The "stick mouse" works fine.
> > I get the same result without an xorg.conf, just letting xorg
> > figure stuff out for itself.
> Stuff is figured out itself now anyway. :-S
> You have hal-0.5.10 installed and compiled xorg-server with hal. Now
> hal will scan the attached devices and hotplug available mice. The
> touchpad is recognized as a mouse and the "evdev" driver is loaded
> with uses absolute mode since the device emits absolute coordinates.
> These devices are even added when you already have a mouse input
> device in the xorg.conf, thus giving you a lot of mice that use the
> same data (some guys report double clicks on single clicks, keymaps
> changed, the touchpad does not work right anymore).
> Option "AutoAddDevices" "false"
Excellent! thanks. That fixed the problem, and also solved erratic
double-click behaviour I was getting in Konqueror as well
> in the Section Serverflags and xorg will stop to hotplug mice.
> Or add a custom policy file in /etc/hal/fdi/policy/ to add the
> touchpad with the synaptics driver instead of evdev.
alan dot mckinnon at gmail dot com
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