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