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Information about the XInput extension in XFree86[tm]
Frédéric Lepied
2 November 1998
1. Introduction
This document provides some information about the XInput extension imple-
mented in XFree86[tm].
If you have any suggestions, comments, fixes or ideas regarding the XInput
extension in XFree86[tm] or about this document, send e-mail to
lepied@XFree86.Org
Bug Reports should be sent to
XFree86@XFree86.Org
Questions or anything else should be posted to the NewsGroup
comp.windows.x.i386unix
2. Description
The XInput extension is a standard X Consortium extension. The goal of this
extension is to allow additional input devices management to the X Window
System. The documentation could be found in the X Consortium distribution
under xc/doc/hardcopy/Xi.
3. XFree86 implementation
The XFree86 implementation contains 2 parts : the server part and two clients
(xsetpointer and xsetmode).
3.1 Server side
The server supports the following extended devices :
o Joystick (only on supported systems ie. Linux, FreeBSD and NetBSD).
Features :
o Relative mode.
o 2 valuators (x and y axis).
o 2 buttons.
o Elographics touchscreen. Features :
o Absolute mode.
o 2 valuators (x and y axis).
o 1 button.
o Stylus on MicroTouch touchscreen. Features :
o Absolute mode.
o 2 valuators (x and y axis).
o 1 button.
o Finger on MicroTouch touchscreen. Features :
o Absolute mode.
o 2 valuators (x and y axis).
o 1 button.
o Mouse. Features :
o Relative mode.
o 2 valuators (x and y axis).
o up to 4 buttons.
o Wacom stylus. Features :
o Absolute or relative modes.
o 6 valuators :
1. X axis.
2. Y axis.
3. pressure.
4. X tilt.
5. Y tilt.
6. wheel.
o 3 buttons.
o Proximity report.
o Motion history capability.
o Macro/function buttons are reported as keys.
o Wacom eraser. Features :
o Absolute or relative modes.
o 6 valuators :
1. X axis.
2. Y axis.
3. pressure.
4. X tilt.
5. Y tilt.
6. wheel.
o 1 button.
o Proximity report.
o Motion history capability.
o Macro/function buttons are reported as keys.
o Wacom cursor. Features :
o Absolute or relative modes.
o 6 valuators :
1. X axis.
2. Y axis.
3. pressure.
4. X tilt.
5. Y tilt.
6. wheel.
o 16 buttons.
o Proximity report.
o Motion history capability.
o Macro/function buttons are reported as keys.
o SummaSketch tablet. Features :
o Absolute or relative modes.
o 2 valuators (x and y axis).
o 2 buttons stylus or 4 buttons puck.
o Proximity report.
o Motion history capability.
o AceCad tablet. Features :
o Absolute or relative modes.
o 2 valuators (x and y axis).
o 2 buttons stylus or 4 buttons puck.
o Proximity report.
o Motion history capability.
o Calcomp DrawingBoard tablet. Features :
o Absolute or relative modes.
o 2 valuators (x and y axis).
o 4 buttons stylus or 16 buttons puck.
o Proximity report.
o Motion history capability.
o SWITCH virtual device. Features :
o Absolute mode.
o 1 valuator (device id) which reports the id of the device control-
ling the core pointer (works with the AlwaysCore feature see bel-
low).
o SGI button box. Features :
o Absolute or relative modes.
o 8 valuators.
o 32 buttons.
o Motion history capability.
To enable an extended device, you must add en entry in the
XF86Config file. Consult to the XF86Config man pages to see the
details.
The XFree86 implementation supports a non standard feature called
AlwaysCore which enables an XInput device to send both core and extended
events at the same time. To enable it you have to add the AlwaysCore keyword
to the subsection describing your device in the XF86Config file. The
SWITCH virtual device reports a Motion event when another device takes over
the control of the core pointer. The id of the new device is reported in the
first valuator of the event.
3.2 Clients
xsetpointer is used to change the device controlling the core pointer and to
list available extended devices.
xsetmode is used to change the mode (absolute or relative) of an extended
device. The device has to support relative and absolute modes and the
device must not control the core pointer.
Consult the man pages for details.
Generated from XFree86: xc/programs/Xserver/hw/xfree86/doc/sgml/xinput.sgml,v 3.7 1999/08/23 06:38:55 dawes Exp $
$XConsortium: xinput.sgml /main/3 1996/10/27 11:06:13 kaleb $
$XFree86: xc/programs/Xserver/hw/xfree86/doc/xinput,v 3.10 2000/02/21 22:44:47 dawes Exp $
|
