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Mouse Support in XFree86
Kazutaka Yokota
9 February 2000
1. Introduction
This document describes mouse support in XFree86 4.1.0.
Mouse configuration has often been mysterious task for novice users. How-
ever, once you learn several basics, it is straightforward to write the mouse
"InputDevice" section in the XF86Config file by hand.
2. Supported Hardware
The XFree86 X server supports three classes of mice: serial, bus and PS/2
mice.
Serial mouse
The serial mouse has been the most popular pointing device for
PCs. There have been numerous serial mouse models from a number
of manufactures. Despite the wide range of variations, there
have been relatively few protocols (data format) with which the
serial mouse talks to the host computer.
The modern serial mouse conforms to the PnP COM device specifica-
tion so that the host computer can automatically detect the mouse
and load an appropriate driver. The XFree86 X server supports
this specification and can detect popular PnP serial mouse models
on most platforms.
Bus mouse
The bus mouse connects to a dedicated interface card in an expan-
sion slot. Some video cards, notably those from ATI, and inte-
grated I/O cards may also have a bus mouse connector. Some bus
mice are known as `InPort mouse'.
Note that some mouse manufactures have sold a package including a
serial mouse and a serial interface card. Don't confuse this
type of products with the genuine bus mouse.
PS/2 mouse
They are sometimes called `Mouse-port mouse'. The PS/2 mouse is
becoming increasingly common and popular.
The PS/2 mouse is an intelligent device and may have more than
three buttons and a wheel or a roller. The PS/2 mouse is usually
compatible with the original PS/2 mouse from IBM immediately
after power up. The PS/2 mouse with additional features requires
a specialized initialization procedure to enable these features.
Without proper initialization, it behaves as though it were an
ordinary two or three button mouse.
USB mouse
USB (Universal Serial Bus) ports are present on most modern com-
puters. Several devices can be plugged into this bus, including
mices and keyboards.
The XFree86 server includes support for USB mices on some sys-
tems.
Many mice nowadays can be used both as a serial mouse and as a PS/2 mouse.
They has a logic to distinguish which interface it is connected to. However,
the mouse which is not marketed as compatible with both serial and PS/2 mouse
interface lacks this logic and cannot be used in such a way, even if you can
find an appropriate adapter with which you can connect the PS/2 mouse to a
serial port or visa versa.
XFree86 supports the mouse with a wheel, a roller or a knob. Its action is
detected as the Z (third) axis motion of the mouse. As the X server or
clients normally do not use the Z axis movement of the pointing device, a
configuration option, "ZAxisMapping", is provided to assign the Z axis move-
ment to another axis or a pair of buttons (see below).
3. OS Support for Mice
3.1 Summary of Supported Mouse Protocol Types
Protocol Types
serial PnP BusMouse PS/2 Extended PS/2
OS platforms protocols serial protocol protocol protocols
"Auto" "BusMouse" "PS/2" "xxxPS/2" USB
-------------------------------------------------------------------------
BSD/OS Ok ? ? ? ? ?
FreeBSD Ok Ok Ok Ok SP*1 SP*1
FreeBSD(98) Ok ? Ok NA NA ?
Interactive Unix Ok NA ?*1 ?*1 NA ?
Linux Ok Ok Ok Ok Ok ?
Linux/98 Ok ? Ok NA NA ?
LynxOS Ok NA Ok Ok NA ?
NetBSD Ok Ok Ok SP*1 SP*1 SP*1
NetBSD/pc98 Ok ? Ok NA NA NA
OpenBSD Ok Ok Ok Ok*1 Ok*1 Ok*1
OS/2 SP*2 SP*2 SP*2 SP*2 SP*2 ?
SCO Ok ? SP*1 SP*1 NA ?
Solaris 2.x Ok NA*1 ?*1 Ok Ok ?
SVR4 Ok NA*1 SP*1 SP*1 NA ?
PANIX Ok ? SP*1 SP*1 NA ?
Ok: support is available, NA: not available, ?: untested or unknown.
SP: support is available in a different form
*1 Refer to the following sections for details.
*2 XFree86/OS2 will support any type of mouse that the OS supports,
whether it is serial, bus mouse, or PnP type.
3.2 BSD/OS
No testing has been done with BSD/OS.
3.3 FreeBSD
FreeBSD supports the "SysMouse" protocol which must be specified when the
moused daemon is running in versions 2.2.1 or later.
When running the mouseddaemon, you must always specify the /dev/sysmouse
device and the "SysMouse" protocol to the X server, regardless of the actual
type of your mouse.
FreeBSD versions 2.2.6 or later include the kernel-level support for extended
PS/2 mouse protocols and there is no need to specify the exact protocol name
to the X server. Instead specify the "PS/2" or "Auto" protocol and the X
server will automatically make use of the kernel-level support.
In fact, "Auto" protocol support is really efficient in these versions. You
may always specify "Auto" to any mouse, serial, bus or PS/2, unless the mouse
is an old serial model which doesn't support PnP.
FreeBSD versions 2.2.5 or earlier do not support extended PS/2 mouse proto-
cols ("xxxPS/2"). Always specify the "PS/2" protocol for any PS/2 mouse in
these versions regardless of the brand of the mouse.
FreeBSD versions 3.1 or later have support for USB mice. Specify the "Auto"
protocol for the /dev/ums0 device. (If the moused daemon is running for the
USB mouse, you must use /dev/sysmouse instead of /dev/ums0 as explained
above.) See the ums(4) manual page for details.
3.4 FreeBSD(98)
The PS/2 mouse is not supported.
3.5 Interactive Unix
The PnP serial mouse support (the "Auto" protocol) is not supported for the
moment.
The bus mouse and PS/2 mouse should be supported by using the appropriate
device drivers. Use /dev/mouse for the "BusMouse" protocol and /dev/kdmouse
for the "PS/2" protocol. These protocols are untested but may work. Please
send success/failure reports to <michael.rohleder@stadt-frankfurt.de>.
3.6 Linux
All protocol types should work.
3.7 Linux/98
The PS/2 mouse is not supported.
3.8 LynxOS
The PnP serial mouse support (the "Auto" protocol) is disabled in LynxOS,
because of limited TTY device driver functionality.
3.9 NetBSD
NetBSD 1.3.x and former does not support extended PS/2 mouse protocols
("xxxPS/2"). The PS/2 mouse device driver /dev/pms emulates the bus mouse.
Therefore, you should always specify the "BusMouse" protocol for any PS/2
mouse regardless of the brand of the mouse.
The "wsmouse" protocol introduced in NetBSD 1.4 along with the wscons console
driver is supported. You need to run binaries compiled on NetBSD 1.4 to have
support for it though. Use "/dev/wsmouse0" for the device. Refer to the
wsmouse(4) manual page for kernel configuration informations.
This driver also provides support for USB mices. See the ums(4) manual page
for details.
3.10 NetBSD/pc98
The PS/2 mouse is not supported.
3.11 OpenBSD
The raw PS/2 mouse device driver /dev/psm0 uses the raw PS/2 mouse protocol.
OpenBSD 2.2 and earlier does not support extended PS/2 mouse protocols
("xxxPS/2") . Therefore, you should specify the "PS/2" protocol for any PS/2
mouse regardless of the brand of the mouse.
OpenBSD 2.3 and later support all extended PS/2 mouse protocols. You can
select the "Auto" protocol for PnP PS/2 mice or any specific extended
("xxxPS/2") protocol for non PnP mice.
There is also a cooked PS/2 mouse device driver /dev/pms0 which emulates the
bus mouse. Specify the "BusMouse" protocol for any PS/2 mouse regardless of
the brand of the mouse when using this device.
XFree86 3.3.6 support USB mices on OpenBSD 2.6 and later though the generic
Human Interface Device (hid) /dev/uhid*. Select the "usb" protocol and the
/dev/uhid* instance corresponding to your mouse as the device name.
3.12 OS/2
XFree86/OS2 always uses the native mouse driver of the operating system and
will support any type of pointer that the OS supports, whether it is serial,
bus mouse, or PnP type. If the mouse works under Presentation Manager, it
will also work under XFree86/OS2.
Always specify "OSMouse" as the protocol type.
3.13 SCO
The bus and PS/2 mouse are supported with the "OSMouse" protocol type.
The "OSMouse" may also be used with the serial mouse.
3.14 Solaris
Testing has been done with Solaris 2.5.1 and 2.6. Logitech and Microsoft bus
mice have not been tested, but might work with the /dev/logi and /dev/msm
devices. Standard 2 and 3 button PS/2 mice work with the "PS/2" protocol
type and the /dev/kdmouse device. The PnP serial mouse support (the "Auto"
protocol) has been tested and does not work.
3.15 SVR4
The bus and PS/2 mouse may be supported with the "Xqueue" protocol type.
The "Xqueue" may also be used with the serial mouse.
The PnP serial mouse support (the "Auto" protocol) is not tested.
3.16 PANIX
The PC/AT version of PANIX supports the bus and PS/2 mouse with the "Xqueue"
protocol type. The PC-98 version of PANIX supports the bus mouse with the
"Xqueue" protocol type.
4. Configuring Your Mouse
Before using the xf86config program to set up mouse configuration, you must
identify the interface type, the device name and the protocol type of your
mouse. Blindly trying every possible combination of mouse settings will lead
you nowhere.
The first thing you need to know is the interface type of the mouse you are
going to use. It can be determined by looking at the connector of the mouse.
The serial mouse has a D-Sub female 9- or 25-pin connector. The bus mice
have either a D-Sub male 9-pin connector or a round DIN 9-pin connector. The
PS/2 mouse is equipped with a small, round DIN 6-pin connector. Some mice
come with adapters with which the connector can be converted to another. If
you are to use such an adapter, remember that the connector at the very end
of the mouse/adapter pair is what matters.
The next thing to decide is a device node to use for the given interface.
For the bus and PS/2 mice, there is little choice; your OS most possibly
offers just one device node each for the bus mouse and PS/2 mouse. There may
be more than one serial port to which the serial mouse can be attached.
The next step is to guess the appropriate protocol type for the mouse. The X
server may be able to select a protocol type for the given mouse automati-
cally in some cases. Otherwise, the user has to choose one manually. Follow
the guidelines below.
Bus mouse
The bus and InPort mice always use "BusMouse" protocol regardless
of the brand of the mouse.
Some OSs may allow you to specify "Auto" as the protocol type for
the bus mouse.
PS/2 mouse
The "PS/2" protocol should always be tried first for the PS/2
mouse regardless of the brand of the mouse. Any PS/2 mouse
should work with this protocol type, although wheels and other
additional features are unavailable in the X server.
After verifying the mouse works with this protocol, you may
choose to specify one of "xxxPS/2" protocols so that extra fea-
tures are made available in the X server. However, support for
these PS/2 mice assumes certain behavior of the underlying OS and
may not always work as expected. Support for some PS/2 mouse
models may be disabled all together for some OS platforms for
this reason.
Some OSs may allow you to specify "Auto" as the protocol type for
the PS/2 mouse and the X server will automatically adjust itself.
Serial mouse
The XFree86 server supports a wide range of mice, both old and
new. If your mouse is of a relatively new model, it may conform
to the PnP COM device specification and the X server may be able
to detect an appropriate protocol type for the mouse automati-
cally.
Specify "Auto" as the protocol type and start the X server. If
the mouse is not a PnP mouse, or the X server cannot determine a
suitable protocol type, the server will print the following error
message and abort.
<mousename>: cannot determine the mouse protocol
If the X server generates the above error message, you need to
manually specify a protocol type for your mouse. Choose one from
the following list:
o GlidePoint
o IntelliMouse
o Logictech
o Microsoft
o MMHittab
o MMSeries
o MouseMan
o MouseSystems
o ThinkingMouse
When you choose, keep in mind the following rule of thumb:
1. "Logitech" protocol is for old serial mouse models from
Logitech. Modern Logitech mice use either "MouseMan" or
"Microsoft" protocol.
2. Most 2-button serial mice support the "Microsoft" protocol.
3. 3-button serial mice may work with the "Mousesystems" pro-
tocol. If it doesn't, it may work instead with the
"Microsoft" protocol although the third (middle) button
won't function. 3-button serial mice may also work with
the "Mouseman" protocol under which the third button may
function as expected.
4. 3-button serial mice may have a small switch at the bottom
of the mouse to choose between ``MS'' and ``PC'', or ``2''
and ``3''. ``MS'' or ``2'' usually mean the "Microsoft"
protocol. ``PC'' or ``3'' will choose the "MouseSystems"
protocol.
5. If the serial mouse has a roller or a wheel, it may be com-
patible with the "IntelliMouse" protocol.
6. If the serial mouse has a roller or a wheel and it doesn't
work with the "IntelliMouse" protocol, you have to use it
as a regular 2- or 3-button serial mouse.
If the "Auto" protocol is specified and the mouse seems working,
but you find that not all features of the mouse is available,
that is because the X server does not have native support for
that model of mouse and is using a ``compatible'' protocol
according to PnP information.
If you suspect this is the case with your mouse, please send a
report to <XFree86@XFree86.Org>.
USB mouse
If your mouse is connected to the USB port, it can either be sup-
ported by the "Auto" protocol, or by an OS-specific protocol (see
below), or as a generic Human Interface Device by the "usb" pro-
tocol.
Standardized protocols
Mouse device drivers in your OS may use the standardized protocol
regardless of the model or the class of the mouse. For example,
SVR4 systems may support "Xqueue" protocol. In FreeBSD the sys-
tem mouse device /dev/sysmouse uses the "SysMouse" protocol.
Please refer to the OS support section of this file for more
information.
5. XF86Config Options
The old Pointer section has been replaced by a more general InputDevice sec-
tion. The following is a minimal example of an InputDevice section for a
mouse:
Section "InputDevice"
Identifier "Mouse 1"
Driver "mouse"
Option "Device" "/dev/mouse"
Option "Protocol" "Auto"
EndSection
The mouse driver supports the following config file options:
5.1 Buttons
This option tells the X server the number of buttons on the mouse. Currently
there is no reliable way to automatically detect the correct number. This
option is the only means for the X server to obtain it. The default value is
three.
Note that if you intend to assign Z axis movement to button events using the
ZAxisMapping option below, you need to take account of those buttons into N
too.
Option "Buttons" "N"
5.2 ZAxisMappping
This option maps the Z axis (wheel) motion to buttons or to another axis.
Option "ZAxisMapping" "X"
Option "ZAxisMapping" "Y"
Option "ZAxisMapping" "N1 N2"
Option "ZAxisMapping" "N1 N2 N3 N4"
The first example will map the Z axis motion to the X axis motion. Whenever
the user moves the wheel/roller, its movement is reported as the X axis
motion. When the wheel/roller stays still, the real X axis motion is
reported as is. The third example will map negative Z axis motion to the
button N1 and positive Z axis motion to the button N2. If this option is
used and the buttons N1 or N2 actually exists in the mouse, their actions
won't be detected by the X server.
The last example is useful for the mouse with two wheels of which the second
wheel is used to generate horizontal scroll action, and the mouse which has a
knob or a stick which can detect the horizontal force applied by the user.
The motion of the second wheel will be mapped to the buttons N3, for the neg-
ative direction, and N4, for the positive direction. If the buttons N3 and
N4 actually exist in this mouse, their actions won't be detected by the X
server.
NOTE #1: horizontal movement may not always be detected by the current ver-
sion of the XFree86 X servers, because there appears to be no accepted stan-
dard as to how the horizontal direction is encoded in mouse data.
NOTE #2: Some mice think left is the negative horizontal direction, others
may think otherwise. Moreover, there are some mice whose two wheels are both
mounted vertically, and the direction of the second vertical wheel does not
match the first one's.
Currently this option can not be set in the XF86Setup program. You need to
edit the XF86Config file by hand to add this option.
5.3 Resolution
The following option will set the mouse device resolution to N counts per
inch, if possible:
Option "Resolution" "N"
Not all mice and OSs can support this option. This option can be set in the
XF86Setup program.
6. Mouse Gallery
In all of the examples below, it is assumed that /dev/mouse is a link to the
appropriate serial port or PS/2 mouse device.
6.1 MS IntelliMouse (serial, PS/2)
This mouse has a wheel which also acts as the button 2 (middle button). The
wheel movement is recognized as the Z axis motion. This behavior is not com-
patible with XFree86 versions prior to 3.3.2, but is more consistent with the
support for other mice with wheels or rollers. If you want to make the wheel
behave like before, you can use the "ZAxisMapping" option as described above.
IntelliMouse supports the PnP COM device specification.
To use this mouse as a serial device:
Option "Protocol" "Auto"
or:
Option "Protocol" "IntelliMouse"
To use this mouse as the PS/2 device and the OS supports PS/2 mouse initial-
ization:
Option "Protocol" "IMPS/2"
To use this mouse as the PS/2 device but the OS does not support PS/2 mouse
initialization (the wheel won't work in this case):
Option "Protocol" "PS/2"
To use this mouse as the PS/2 device and the OS supports automatic PS/2 mouse
detection:
Option "Protocol" "Auto"
6.2 MS IntelliMouse Explorer (PS/2, USB)
This mouse has a wheel which also acts as the button 2 (middle button).
There are two side buttons; they are recognized as the buttons 4 and 5. The
wheel movement is recognized as the Z axis motion.
To use this mouse as the PS/2 device and the OS supports PS/2 mouse initial-
ization:
Option "Protocol" "ExplorerPS/2"
To use this mouse as the PS/2 device but the OS does not support PS/2 mouse
initialization (the wheel and the side buttons won't work in this case):
Option "Protocol" "PS/2"
To use this mouse as the PS/2 device and the OS supports automatic PS/2 mouse
detection:
Option "Protocol" "Auto"
To use this mouse as the USB device and the OS supports the generic HID pro-
tocol:
Option "Protocol" "usb"
To use this mouse as the USB device and the OS supports automatic mouse
detection:
Option "Protocol" "Auto"
6.3 Kensington Thinking Mouse (serial, PS/2)
This mouse has four buttons. Thinking Mouse supports the PnP COM device
specification.
To use this mouse as a serial device:
Option "Protocol" "Auto"
or:
Option "Protocol" "ThinkingMouse"
To use this mouse as the PS/2 device and the OS supports PS/2 mouse initial-
ization:
Option "Protocol" "ThinkingMousePS/2"
To use this mouse as the PS/2 device but the OS does not support PS/2 mouse
initialization (the third and the fourth buttons act as though they were the
first and the second buttons):
Option "Protocol" "PS/2"
To use this mouse as the PS/2 device and the OS supports automatic PS/2 mouse
detection:
Option "Protocol" "Auto"
6.4 Genius NetScroll (PS/2)
This mouse has four buttons and a roller. The roller movement is recognized
as the Z axis motion.
To use this mouse as the PS/2 device and the OS supports PS/2 mouse initial-
ization:
Option "Protocol" "NetScrollPS/2"
To use this mouse as the PS/2 device but the OS does not support PS/2 mouse
initialization (the roller and the fourth button won't work):
Option "Protocol" "PS/2"
To use this mouse as the PS/2 device and the OS supports automatic PS/2 mouse
detection:
Option "Protocol" "Auto"
6.5 Genius NetMouse and NetMouse Pro (serial, PS/2)
These mice have a "magic button" which is used like a wheel or a roller. The
"magic button" action is recognized as the Z axis motion. NetMouse Pro is
identical to NetMouse except that it has the third button on the left hand
side.
NetMouse and NetMouse Pro support the PnP COM device specification. When
used as a serial mouse, they are compatible with MS IntelliMouse.
To use these mice as a serial device:
Option "Protocol" "Auto"
or:
Option "Protocol" "IntelliMouse"
To use this mouse as the PS/2 device and the OS supports PS/2 mouse initial-
ization:
Option "Protocol" "NetMousePS/2"
To use this mouse as the PS/2 device but the OS does not support PS/2 mouse
initialization (the "magic button" and the third button won't work):
Option "Protocol" "PS/2"
To use this mouse as the PS/2 device and the OS supports automatic PS/2 mouse
detection:
Option "Protocol" "Auto"
6.6 Genius NetScroll Optical (PS/2, USB)
This mouse has a wheel which also acts as the button 2 (middle button), and
two side buttons which are recognized as the buttons 4 and 5. It is compati-
ble with NetMouse and NetMouse Pro.
To use this mouse as the PS/2 device and the OS supports PS/2 mouse initial-
ization:
Option "Protocol" "NetMousePS/2"
To use this mouse as the PS/2 device but the OS does not support PS/2 mouse
initialization (the wheel and the side buttons won't work):
Option "Protocol" "PS/2"
To use this mouse as the PS/2 device and the OS supports automatic PS/2 mouse
detection:
Option "Protocol" "Auto"
To use this mouse as the USB device and the OS supports the generic HID pro-
tocol:
Option "Protocol" "usb"
To use this mouse as the USB device and the OS supports automatic mouse
detection:
Option "Protocol" "Auto"
6.7 ALPS GlidePoint (serial, PS/2)
The serial version of this pad device has been supported since XFree86 3.2.
`Tapping' action is interpreted as the fourth button press. (IMHO, the
fourth button of GlidePoint should always be mapped to the first button in
order to make this pad behave like the other pad products.)
To use this pad as a serial device:
Option "Protocol" "GlidePoint"
To use this mouse as the PS/2 device and the OS supports PS/2 mouse initial-
ization:
Option "Protocol" "GlidePointPS/2"
To use this mouse as the PS/2 device but the OS does not support PS/2 mouse
initialization:
Option "Protocol" "PS/2"
To use this mouse as the PS/2 device and the OS supports automatic PS/2 mouse
detection:
Option "Protocol" "Auto"
6.8 ASCII MieMouse (serial, PS/2)
This mouse appears to be OEM from Genius. Although its shape is quite dif-
ferent, it works like Genius NetMouse Pro. This mouse has a "knob" which is
used like a wheel or a roller. The "knob" action is recognized as the Z axis
motion.
MieMouse supports the PnP COM device specification. When used as a serial
mouse, it is compatible with MS IntelliMouse.
To use this mouse as a serial device:
Option "Protocol" "Auto"
or:
Option "Protocol" "IntelliMouse"
To use this mouse as the PS/2 device and the OS supports PS/2 mouse initial-
ization:
Option "Protocol" "NetMousePS/2"
To use this mouse as the PS/2 device but the OS does not support PS/2 mouse
initialization (the knob and the third button won't work):
Option "Protocol" "PS/2"
To use this mouse as the PS/2 device and the OS supports automatic PS/2 mouse
detection:
Option "Protocol" "Auto"
6.9 Logitech MouseMan+ and FirstMouse+ (serial, PS/2)
MouseMan+ has two buttons on top, one side button and a roller. FirstMouse+
has two buttons and a roller. The roller movement is recognized as the Z
axis motion. The roller also acts as the third button. The side button is
recognized as the fourth button.
MouseMan+ and FirstMouse+ support the PnP COM device specification. They
have MS IntelliMouse compatible mode when used as a serial mouse.
To use these mice as a serial device:
Option "Protocol" "Auto"
or:
Option "Protocol" "IntelliMouse"
To use this mouse as the PS/2 device and the OS supports PS/2 mouse initial-
ization:
Option "Protocol" "MouseManPlusPS/2"
To use this mouse as the PS/2 device but the OS does not support PS/2 mouse
initialization (the wheel and the fourth button won't work):
Option "Protocol" "PS/2"
To use this mouse as the PS/2 device and the OS supports automatic PS/2 mouse
detection:
Option "Protocol" "Auto"
6.10 IBM ScrollPoint (PS/2)
ScrollPoint has a "stick" in between the two buttons. This "stick" is the
same as the stick-shaped pointing device often found on notebook computers,
on which you move the mouse cursor by pushing the stick. The stick movement
is recognized as the Z axis motion. You can push the stick to right and
left, as well as forward and backward. Give four numbers to ZAxisMapping
option to map movement along all these four directions to button actions.
This mouse is compatible with Logitech MouseMan+. To use this mouse as the
PS/2 device and the OS supports PS/2 mouse initialization:
Option "Protocol" "MouseManPlusPS/2"
To use this mouse as the PS/2 device but the OS does not support PS/2 mouse
initialization (the stick won't work):
Option "Protocol" "PS/2"
To use this mouse as the PS/2 device and the OS supports automatic PS/2 mouse
detection:
Option "Protocol" "Auto"
6.11 8D ScrollMouse (serial, PS/2)
ScrollMouse, also known as GyroMouse, has a "stick" similar to IBM Scroll-
Point. The stick movement is recognized as the Z axis motion. You can push
the stick to right and left, as well as forward and backward. Give four num-
bers to ZAxisMapping option to map movement along all these four directions
to button actions.
ScrollMouse supports the PnP COM device specification. When used as a serial
mouse, it is compatible with MS IntelliMouse.
To use this mouse as a serial device:
Option "Protocol" "Auto"
or:
Option "Protocol" "IntelliMouse"
To use this mouse as the PS/2 device and the OS supports PS/2 mouse initial-
ization:
Option "Protocol" "IMPS/2"
To use this mouse as the PS/2 device but the OS does not support PS/2 mouse
initialization (the stick won't work):
Option "Protocol" "PS/2"
To use this mouse as the PS/2 device and the OS supports automatic PS/2 mouse
detection:
Option "Protocol" "Auto"
6.12 A4 Tech 4D mice (serial, PS/2, USB)
A4 Tech produces quit a number of mice with one or two wheels. Their mice
may have 2, 3, or 4 buttons. The wheels movement is recognized as the Z axis
motion. Give four numbers to ZAxisMapping option to map movement of both
wheels to button actions.
4D mice support the PnP COM device specification. When used as a serial
mouse, it is compatible with MS IntelliMouse.
To use this mouse as a serial device:
Option "Protocol" "Auto"
or:
Option "Protocol" "IntelliMouse"
To use this mouse as the PS/2 device and the OS supports PS/2 mouse initial-
ization:
Option "Protocol" "IMPS/2"
To use this mouse as the PS/2 device but the OS does not support PS/2 mouse
initialization (the wheels won't work):
Option "Protocol" "PS/2"
To use this mouse as the PS/2 device and the OS supports automatic PS/2 mouse
detection:
Option "Protocol" "Auto"
To use this mouse as the USB device and the OS supports the generic HID pro-
tocol:
Option "Protocol" "usb"
To use this mouse as the USB device and the OS supports automatic mouse
detection:
Option "Protocol" "Auto"
7. Configuration Examples
This section shows some example InputDevice section for popular mice. All
the examples assume that the mouse is connected to the PS/2 mouse port, and
the OS supports the PS/2 mouse initialization. It is also assumed that
/dev/mouse is a link to the PS/2 mouse port.
Logitech MouseMan+ has 4 buttons and a wheel. The following example makes
the wheel movement available as the button 5 and 6.
Section "InputDevice"
Identifier "MouseMan+"
Driver "mouse"
Option "Device" "/dev/mouse"
Option "Protocol" "MouseManPlusPS/2"
Option "Buttons" "6"
Option "ZAxisMapping" "5 6"
EndSection
You can change button number assignment using the xmodmap command AFTER you
start the X server with the above configuration. You may not like to use the
wheel as the button 2 and rather want the side button (button 4) act like the
button 2. You may also want to map the wheel movement to the button 4 and 5.
This can be done by the following command:
xmodmap -e "pointer = 1 6 3 2 4 5"
After this command is run, the correspondence between the buttons and button
numbers will be as shown in the following table.
Physical Buttons Reported as:
------------------------------------
1 Left Button Button 1
2 Wheel Button Button 6
3 Right Button Button 3
4 Side Button Button 2
5 Wheel Negative Move Button 4
6 Wheel Positive Move Button 5
For the MS IntelliMouse Explorer which as a wheel and 5 buttons, you may have
the following InputDevice section.
Section "InputDevice"
Identifier "IntelliMouse Explorer"
Driver "mouse"
Option "Device" "/dev/mouse"
Option "Protocol" "ExplorerPS/2"
Option "Buttons" "7"
Option "ZAxisMapping" "6 7"
EndSection
The IntelliMouse Explorer has 5 buttons, thus, you should give "7" to the
Buttons option if you want to map the wheel movement to buttons (6 and 7).
With this configuration, the correspondence between the buttons and button
numbers will be as follows:
Physical Buttons Reported as:
------------------------------------
1 Left Button Button 1
2 Wheel Button Button 2
3 Right Button Button 3
4 Side Button 1 Button 4
5 Side Button 2 Button 5
6 Wheel Negative Move Button 6
7 Wheel Positive Move Button 7
You can change button number assignment using xmodmap AFTER you started the X
server with the above configuration.
xmodmap -e "pointer = 1 2 3 4 7 5 6"
The above command will moves the side button 2 to the button 7 and make the
wheel movement reported as the button 5 and 6. See the table below.
Physical Buttons Reported as:
------------------------------------
1 Left Button Button 1
2 Wheel Button Button 2
3 Right Button Button 3
4 Side Button 1 Button 4
5 Side Button 2 Button 7
6 Wheel Negative Move Button 5
7 Wheel Positive Move Button 6
For the A4 Tech WinEasy mouse which has two wheels and 3 buttons, you may
have the following InputDevice section.
Section "InputDevice"
Identifier "WinEasy"
Driver "mouse"
Option "Device" "/dev/mouse"
Option "Protocol" "IMPS/2"
Option "Buttons" "7"
Option "ZAxisMapping" "4 5 6 7"
EndSection
The movement of the first wheel is mapped to the button 4 and 5. The second
wheel's movement will be reported as the buttons 6 and 7.
Generated from XFree86: xc/programs/Xserver/hw/xfree86/doc/sgml/mouse.sgml,v 1.11 2000/03/01 00:25:23 dawes Exp $