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====== Ubuntu - Mouse - Determine the Mouse ======

===== Determine the Mouse to use =====

<code bash>
xinput --list --short
</code>

returns:

<code bash>
⎡ Virtual core pointer                    	id=2	[master pointer  (3)]
⎜   ↳ Virtual core XTEST pointer              	id=4	[slave  pointer  (2)]
⎜   ↳ Corsair CORSAIR K70 RGB MK.2 Mechanical Gaming Keyboard Consumer Control	id=11	[slave  pointer  (2)]
⎜   ↳ Corsair CORSAIR K70 RGB MK.2 Mechanical Gaming Keyboard Mouse	id=12	[slave  pointer  (2)]
⎜   ↳ Razer Razer DeathAdder V2               	id=8	[slave  pointer  (2)]
⎜   ↳ Razer Razer DeathAdder V2 Consumer Control	id=9	[slave  pointer  (2)]
⎣ Virtual core keyboard                   	id=3	[master keyboard (2)]
    ↳ Virtual core XTEST keyboard             	id=5	[slave  keyboard (3)]
    ↳ Power Button                            	id=6	[slave  keyboard (3)]
    ↳ Power Button                            	id=7	[slave  keyboard (3)]
    ↳ Corsair CORSAIR K70 RGB MK.2 Mechanical Gaming Keyboard	id=10	[slave  keyboard (3)]
    ↳ Corsair CORSAIR K70 RGB MK.2 Mechanical Gaming Keyboard Consumer Control	id=13	[slave  keyboard (3)]
    ↳ Razer Razer DeathAdder V2 Consumer Control	id=14	[slave  keyboard (3)]
    ↳ Razer Razer DeathAdder V2 Keyboard      	id=15	[slave  keyboard (3)]
    ↳ Razer Razer DeathAdder V2 System Control	id=16	[slave  keyboard (3)]
    ↳ Razer Razer DeathAdder V2               	id=17	[slave  keyboard (3)]
</code>

<WRAP info>
**NOTE:**  In this case, the "Razer Razer DeathAdder V2" is the mouse.

  * As there are multiple entries,  the name "Razer Razer DeathAdder V2" cannot be used as it is not unique.
  * Instead, use the **id**.
    * How to know which of the **id** to use.
</WRAP>

----

===== Which id to use =====

In the above results, the **Razer DeathAdder** is shown multiple times.

  * Only the salient id is needed.

<code bash>
xinput | grep -m 1 "DeathAdder"
</code>

returns:

<code bash>
⎜   ↳ Razer Razer DeathAdder V2               	id=8	[slave  pointer  (2)]
</code>

<WRAP info>
**NOTE:**  Many mouse show as as both Mouse and Keyboard.

  * The Keyboard entries can usually be ignore.
  * **-m 1** in the **grep** returns only the first line.
    * This shows that **id=8** is the relevant line.
    * This id may change upon system reboot, so for any future scripts using the id, it is best this is calculated beforehand: <code bash>
xinput | grep -m 1 "DeathAdder" | sed 's/^.*id=\([0-9]*\)[ \t].*$/\1/'
</code>
    * returns: <code bash>
8
</code>

</WRAP>

----

===== Determine Other Device Idenfiers =====

==== Device Product Name (Model) ====

The Product Name (or model):

<code bash>
xinput --list --short
</code>

returns:

<code bash>
...
Razer Razer DeathAdder V2
...
</code>

<WRAP info>
**NOTE:** This is the same as above.
</WRAP>

----

==== Determine the Device Node ====

<code bash>
xinput list-props 8 | grep 'Device Node'
</code>

returns:

<code bash>
Device Node (279):	"/dev/input/event7"
</code>

----
==== Device Vendor Name (Manufacturer) ====

The manufacturer or vendor name:

<code bash>
udevadm info --query=property --name=/dev/input/event7 | grep 'VENDOR='
</code>

returns:

<code bash>
ID_VENDOR=Razer
</code>

<WRAP info>
**NOTE:** This is the same as above.
</WRAP>

----

<code bash>
udevadm info --query=all --path=$(udevadm info --query=path --name=$(xinput list-props `xinput | grep -m 1 "DeathAdder" | sed 's/^.*id=\([0-9]*\)[ \t].*$/\1/'` | grep 'Device Node'| awk '{ print $4; }' | sed 's/\"//g'))

or

udevadm info --query=all --path=$(udevadm info --query=path --name=/dev/input/event7)
</code>

returns:

<code bash>
P: /devices/pci0000:00/0000:00:08.1/0000:0b:00.3/usb5/5-1/5-1:1.0/0003:1532:0084.0006/input/input25/event7
N: input/event7
L: 0
S: input/by-id/usb-Razer_Razer_DeathAdder_V2-event-mouse
S: input/by-path/pci-0000:0b:00.3-usb-0:1:1.0-event-mouse
E: DEVPATH=/devices/pci0000:00/0000:00:08.1/0000:0b:00.3/usb5/5-1/5-1:1.0/0003:1532:0084.0006/input/input25/event7
E: DEVNAME=/dev/input/event7
E: MAJOR=13
E: MINOR=71
E: SUBSYSTEM=input
E: USEC_INITIALIZED=2059106657497
E: ID_INPUT=1
E: ID_INPUT_MOUSE=1
E: ID_VENDOR=Razer
E: ID_VENDOR_ENC=Razer
E: ID_VENDOR_ID=1532
E: ID_MODEL=Razer_DeathAdder_V2
E: ID_MODEL_ENC=Razer\x20DeathAdder\x20V2
E: ID_MODEL_ID=0084
E: ID_REVISION=0200
E: ID_SERIAL=Razer_Razer_DeathAdder_V2
E: ID_TYPE=hid
E: ID_BUS=usb
E: ID_USB_INTERFACES=:030102:030001:030101:030002:
E: ID_USB_INTERFACE_NUM=00
E: ID_USB_DRIVER=usbhid
E: ID_PATH=pci-0000:0b:00.3-usb-0:1:1.0
E: ID_PATH_TAG=pci-0000_0b_00_3-usb-0_1_1_0
E: LIBINPUT_DEVICE_GROUP=3/1532/84:usb-0000:0b:00.3-1
E: DEVLINKS=/dev/input/by-id/usb-Razer_Razer_DeathAdder_V2-event-mouse /dev/input/by-path/pci-0000:0b:00.3-usb-0:1:1.0-event-mouse
</code>


----

==== Other way to obtain information ====

For USB devices:

<code bash>
lsusb -v | grep -e idProduct -e idVendor
</code>

<WRAP info>
**NOTE:**  lsusb uses /var/lib/usbutils/usb.ids to translate ids to names.
</WRAP>

----

For the IDs only:

<code bash>
grep . /sys/bus/usb/devices/*/id*
</code>


----

==== XOrg Configuration ====

Putting it all together, a new XOrg configuration **InputClass** Section would look like:

<file bash /usr/share/X11/xorg.conf.d/60-razer-deathadder-v2.conf>
Section "InputClass"
    Identifier "Razer Deathadder v2"
    MatchDevicePath "/dev/input/event*"
    MatchProduct "Razer Razer DeathAdder V2"
    MatchVendor "Razer"
EndSection
</file>

<WRAP info>
**NOTE:**  See [[Ubuntu:Mouse:Change Mouse Properties|Change Mouse Properties]].

</WRAP>