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	1 Multi-pointer
	2 =============
	3 Multi-pointer can be an alternative to multi-seat. Compared to multi-sea…
	4 multi-pointer is easier to setup (because no multi-seat experience), all…
	5 hardware acceleration and at least one monitor is required. Bad news? Bo…
	6 shared the same xorg server, most things are shared.
	7
	8 As of now, no window manager with active development support multi-point…
	9 with multiple active window. Dwm does not support multi-pointer but here…
	10 crappy version in which the other users can only control one application
	11 through keyboard since there is only one active window at a time.
	12
	13 Configuring inputs
	14 ------------------
	15 One way to configure input devices is via the `xinput` tool. Without any
	16 arguments given, it should list all the input devices in short format.
	17
	18 xinput
	19
	20 It will print all the master device (cursors on screen) and the slave de…
	21 (physical device). Master device comes in pair, which is pointer and key…
	22
	23 Adding master device
	24 --------------------
	25 To create another pointer for a new user. First, we add a master device.
	26
	27 xinput create-master Name
	28
	29 Another pointer should appear in the center of the screen by now.
	30
	31 Assigning slave device
	32 ----------------------
	33 We will then require to assign a slave device to the master device. The …
	34 the master and slave device can be found by using `xinput`.
	35
	36 xinput reattach <slave> <master>
	37
	38 By the end of this, both pointer can move simultaneously but keyboard ca…
	39 type in different application simultaneously, this is normal for window …
	40 without multi-pointer support.
	41
	42 Point master device to window
	43 -----------------------------
	44 Time to point the master device to the respective window, do this for bo…
	45 pointer and keyboard master device (not sure if specifying one works).
	46
	47 The window is the PID of window which can be checked with either `xp…
	48 (useless sometimes) or `xdotool selectwindow`.
	49
	50 xinput set-cp <window> <master>
	51
	52 If the setup is successful, the other keyboard should be able to input o…
	53 the window. In which multiple user can play different games at the same …
	54
	55 Cleaning up
	56 -----------
	57 Remove all the master device that was created.
	58
	59 xinput remove-master <master>
	60
	61 And `reattach` the pointer or keyboard back to the main master device.
	62
	63 Ideas
	64 -----
	65
	66 * The other could have used Xephyr or Xnest to have his own session inst…
	67
	68 See also
	69 --------
	70
	71 * [https://ao2.it/en/blog/2010/01/19/poor-mans-multi-touch-using-multipl…
	72 * [https://www.x.org/wiki/Development/Documentation/MPX/](https://www.x.…