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- .TH libinput-measure-touchpad-size "1"
- .SH NAME
- libinput\-measure\-touchpad\-size \- measure the size of a touchpad
- .SH SYNOPSIS
- .B libinput measure touchpad\-size [\-\-help] WxH [\fI/dev/input/event0\fI]
- .SH DESCRIPTION
- .PP
- The
- .B "libinput measure touchpad\-size"
- tool measures the size of a touchpad. This is an interactive tool. When
- executed, the tool will prompt the user to interact with the touchpad. The
- tool records the axis ranges and calculates the size and resolution based on
- those. On termination, the tool prints a hwdb entry that can be added to the
- .B 60-evdev.hwdb
- file provided by system.
- .PP
- For details see the online documentation here:
- .I https://wayland.freedesktop.org/libinput/doc/latest/absolute-coordinate-ranges.html
- .PP
- This is a debugging tool only, its output may change at any time. Do not
- rely on the output.
- .PP
- This tool usually needs to be run as root to have access to the
- /dev/input/eventX nodes.
- .SH OPTIONS
- This tool must be provided the physical dimensions of the device in mm.
- For example, if your touchpad is 100mm wide and 55mm high, run this tool as
- .B libinput measure touchpad-size 100x55
- .PP
- If a device node is given, this tool opens that device node. Otherwise, this
- tool searches for the first node that looks like a touchpad and uses that
- node.
- .TP 8
- .B \-\-help
- Print help
- .SH LIBINPUT
- Part of the
- .B libinput(1)
- suite
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