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MOUSE(4)							      MOUSE(4)

NAME
       mouse - Xorg mouse input driver

SYNOPSIS
       Section "InputDevice"
	 Identifier "idevname"
	 Driver "mouse"
	 Option "Protocol" "protoname"
	 Option "Device"   "devpath"
	 ...
       EndSection

DESCRIPTION
       mouse  is  an  Xorg  input  driver  for mice.  The driver supports most
       available mouse types and interfaces, though the level of  support  for
       types of mice depends on the OS.

       The  mouse  driver functions as a pointer input device, and may be used
       as the X server's core pointer.	Multiple mice are supported by	multi‐
       ple instances of this driver.

SUPPORTED HARDWARE
       USB mouse
	      USB (Universal Serial Bus) ports are present on most modern com‐
	      puters. Several devices can be plugged into this bus,  including
	      mice and keyboards.  Support for USB mice is platform specific.

       PS/2 mouse
	      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  usu‐
	      ally  compatible	with  the original PS/2 mouse from IBM immedi‐
	      ately 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.

       Serial mouse
	      There  have  been	 numerous serial mouse models from a number of
	      manufacturers.  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  specifi‐
	      cation  so  that	the host computer can automatically detect the
	      mouse and load an appropriate driver.  This driver 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
	      expansion slot.  Some older video cards, notably those from ATI,
	      and integrated I/O cards may also have a bus mouse connector.

       The interface type of the mouse can be determined  by  looking  at  the
       connector  of  the  mouse.  USB mice have a thin rectangular connector.
       PS/2 mice are equipped with a small, round DIN 6-pin connector.	Serial
       mouse have a D-Sub female 9- or 25-pin connector.  Bus mice have either
       a D-Sub male 9-pin connector or a round DIN 9-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  connec‐
       tor at the very end of the mouse/adapter pair is what matters.

CONFIGURATION DETAILS
       Depending  on  the X server version in use, input device options may be
       set in either a xorg.conf file, or in the configuration files  read  by
       the Hardware Abstraction Layer (HAL) daemon, hald(1).

       Please  refer to xorg.conf(5) for general configuration details and for
       options that can be used with all input	drivers.   This	 section  only
       covers configuration details specific to this driver.

       The  driver  can auto-detect the mouse type on some platforms.  On some
       platforms this is limited to plug and play serial mice, and on some the
       auto-detection  works  for  any	mouse that the OS's kernel driver sup‐
       ports.  On others, it is always necessary to specify the mouse protocol
       in  the	config file.  The README.mouse document contains some detailed
       information about this.

       The following driver Options are supported:

       Option "Protocol" "string"
	      Specify the mouse protocol.  Valid protocol types include:

		   Auto, Microsoft, MouseSystems, MMSeries,  Logitech,	Mouse‐
		   Man,	 MMHitTab,  GlidePoint,	 IntelliMouse,	ThinkingMouse,
		   ValuMouseScroll, AceCad, PS/2, ImPS/2, ExplorerPS/2, Think‐
		   ingMousePS/2,    MouseManPlusPS/2,	GlidePointPS/2,	  Net‐
		   MousePS/2, NetScrollPS/2, BusMouse, SysMouse, WSMouse, USB,
		   VUID, Xqueue.

	      Not  all	protocols  are supported on all platforms.  The "Auto"
	      platform	specifies  that	 protocol  auto-detection  should   be
	      attempted.  There is no default protocol setting, and specifying
	      this option is mandatory.

       Option "Device" "string"
	      Specifies the device through which the mouse can be accessed.  A
	      common  setting  is "/dev/mouse", which is often a symbolic link
	      to the real device.  This option is mandatory, and there	is  no
	      default  setting.	 The  server may however attempt to probe some
	      default devices if this option is missing.

       Option "Buttons" "integer"
	      Specifies the number of mouse buttons.  In cases where the  num‐
	      ber  of buttons cannot be auto-detected, the default value is 3.
	      The maximum number is 24.

       Option "Emulate3Buttons" "boolean"
	      Enable/disable the emulation of the third (middle) mouse	button
	      for mice which only have two physical buttons.  The third button
	      is emulated by pressing both buttons  simultaneously.   Default:
	      on, until a press of a physical button 3 is detected.

       Option "Emulate3Timeout" "integer"
	      Sets  the timeout (in milliseconds) that the driver waits before
	      deciding if two buttons where pressed  "simultaneously"  when  3
	      button emulation is enabled.  Default: 50.

       Option "ChordMiddle" "boolean"
	      Enable/disable handling of mice that send left+right events when
	      the middle button is used.  Default: off.

       Option "EmulateWheel" "boolean"
	      Enable/disable "wheel" emulation.	 Wheel emulation means emulat‐
	      ing  button press/release events when the mouse is moved while a
	      specific real button is pressed.	Wheel button events (typically
	      buttons  4  and 5) are usually used for scrolling.  Wheel emula‐
	      tion is useful for getting wheel-like behaviour with trackballs.
	      It  can  also  be	 useful for mice with 4 or more buttons but no
	      wheel.  See the description of the EmulateWheelButton,  Emulate‐
	      WheelInertia,  XAxisMapping,  and	 YAxisMapping  options	below.
	      Default: off.

       Option "EmulateWheelButton" "integer"
	      Specifies which button must be held down to enable wheel	emula‐
	      tion  mode.  While this button is down, X and/or Y pointer move‐
	      ment will generate button press/release events as specified  for
	      the  XAxisMapping	 and  YAxisMapping  settings.  If set to 0, no
	      button is required and any motion of  the	 device	 is  converted
	      into wheel events.  Default: 4.

       Option "EmulateWheelInertia" "integer"
	      Specifies	 how far (in pixels) the pointer must move to generate
	      button press/release events in wheel emulation  mode.   Default:
	      10.

       Option "EmulateWheelTimeout" "integer"
	      Specifies	 the  time in milliseconds the EmulateWheelButton must
	      be pressed before wheel emulation is started.  If	 the  Emulate‐
	      WheelButton is released before this timeout, the original button
	      press/release event is sent.  Default: 200.

       Option "XAxisMapping" "N1 N2"
	      Specifies which buttons are mapped to motion in the X  direction
	      in wheel emulation mode.	Button number N1 is mapped to the neg‐
	      ative X axis motion and button number N2 is mapped to the	 posi‐
	      tive X axis motion.  Default: no mapping.

       Option "YAxisMapping" "N1 N2"
	      Specifies	 which buttons are mapped to motion in the Y direction
	      in wheel emulation mode.	Button number N1 is mapped to the neg‐
	      ative  Y axis motion and button number N2 is mapped to the posi‐
	      tive Y axis motion.  Default: no mapping.

       Option "ZAxisMapping" "X"

       Option "ZAxisMapping" "Y"

       Option "ZAxisMapping" "N1 N2"

       Option "ZAxisMapping" "N1 N2 N3 N4"
	      Set the mapping for the Z axis  (wheel)  motion  to  buttons  or
	      another  axis (X or Y).  Button number N1 is mapped to the nega‐
	      tive Z axis motion and button number N2 is mapped to  the	 posi‐
	      tive  Z axis motion.  For mice with two wheels, four button num‐
	      bers can be specified, with the negative and positive motion  of
	      the  second  wheel  mapped respectively to buttons number N3 and
	      N4.  Note that the protocols for mice with one  and  two	wheels
	      can  be  different  and the driver may not be able to autodetect
	      it.  Default: "4 5".

       Option "ButtonMapping" "N1 N2 [...]"
	      Specifies how physical mouse buttons are mapped to logical  but‐
	      tons.   Physical button 1 is mapped to logical button N1, physi‐
	      cal button 2 to N2, and so forth.	 This enables the use of phys‐
	      ical    buttons	 that	 are	obscured    by	 ZAxisMapping.
	      Default: "1 2 3 8 9 10 ...".

       Option "FlipXY" "boolean"
	      Enable/disable swapping the X and Y axes.	  This	transformation
	      is applied after the InvX, InvY and AngleOffset transformations.
	      Default: off.

       Option "InvX" "boolean"
	      Invert the X axis.  Default: off.

       Option "InvY" "boolean"
	      Invert the Y axis.  Default: off.

       Option "AngleOffset" "integer"
	      Specify a clockwise angular offset (in degrees) to apply to  the
	      pointer  motion.	 This  transformation  is  applied  before the
	      FlipXY, InvX and InvY transformations.  Default: 0.

       Option "SampleRate" "integer"
	      Sets the number of motion/button events the mouse sends per sec‐
	      ond.   Setting  this  is only supported for some mice, including
	      some Logitech  mice  and	some  PS/2  mice  on  some  platforms.
	      Default: whatever the mouse is already set to.

       Option "Resolution" "integer"
	      Sets  the	 resolution of the device in counts per inch.  Setting
	      this is only supported for some mice, including some  PS/2  mice
	      on  some	platforms.  Default: whatever the mouse is already set
	      to.

       Option "Sensitivity" "float"
	      Mouse movements are multiplied by this float before  being  pro‐
	      cessed.  Use  this  mechanism to slow down high resolution mice.
	      Because values bigger than 1.0 will result in not all pixels  on
	      the  screen being accessible, you should better use mouse accel‐
	      eration (see man xset) for  speeding  up	low  resolution	 mice.
	      Default: 1.0

       Option "DragLockButtons" "L1 B2 L3 B4"
	      Sets "drag lock buttons" that simulate holding a button down, so
	      that low dexterity people do not have to hold a button  down  at
	      the  same time they move a mouse cursor. Button numbers occur in
	      pairs, with the lock button number occurring first, followed  by
	      the button number that is the target of the lock button.

       Option "DragLockButtons" "M1"
	      Sets a "master drag lock button" that acts as a "Meta Key" indi‐
	      cating that the next button pressed is to be "drag locked".

       Option "ClearDTR" "boolean"
	      Enable/disable clearing the DTR line on the serial port used  by
	      the  mouse.   Some dual-protocol mice require the DTR line to be
	      cleared to operate in the non-default protocol.  This option  is
	      for serial mice only.  Default: off.

       Option "ClearRTS" "boolean"
	      Enable/disable  clearing the RTS line on the serial port used by
	      the mouse.  Some dual-protocol mice require the RTS line	to  be
	      cleared  to operate in the non-default protocol.	This option is
	      for serial mice only.  Default: off.

       Option "BaudRate" "integer"
	      Set the baud rate to use for communicating with a serial	mouse.
	      This  option  should  rarely  be required because the default is
	      correct for almost all situations.  Valid values	include:  300,
	      1200, 2400, 4800, 9600, 19200.  Default: 1200.

       There are some other options that may be used to control various param‐
       eters for serial port communication, but they are not  documented  here
       because the driver sets them correctly for each mouse protocol type.

SEE ALSO
       Xorg(1), xorg.conf(5), Xserver(1), X(7), README.mouse.

       hal(7), hald(8), fdi(5).

X Version 11		    xf86-input-mouse 1.6.0		      MOUSE(4)
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