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libinput-debug-events(1) libinput Manual libinput-debug-events(1) NAME libinput-debug-events - debug helper for libinput SYNOPSIS libinput debug-events [options] libinput debug-events [options] --udev <seat> libinput debug-events [options] [--device] /dev/input/event0 [/dev/in- put/event1...] DESCRIPTION The libinput debug-events tool creates a libinput context and prints all events from these devices. This is a debugging tool only, its output may change at any time. Do not rely on the output. This tool usually needs to be run as root to have access to the /dev/in- put/eventX nodes. OPTIONS --device /dev/input/event0 Use the given device(s) with the path backend. The --device argu- ment may be omitted. --grab Exclusively grab all opened devices. This will prevent events from being delivered to the host system. --help Print help --quiet Only print libinput messages, don't print anything from this tool. This is useful in combination with --verbose for internal state de- bugging. --show-keycodes Key events shown by this tool are partially obfuscated to avoid passwords and other sensitive information showing up in the output. Use the --show-keycodes argument to make all keycodes visible. --udev <seat> Use the udev backend to listen for device notifications on the given seat. The default behavior is equivalent to --udev "seat0". --verbose Use verbose output libinput configuration options --apply-to="pattern" Configuration options are only applied where the device name matches the pattern. This pattern has no effect on the --disable- sendevents option. --disable-sendevents="pattern" Set the send-events option to disabled for the devices matching patterns. This option is not affected by the --apply-to="pattern" option. --enable-drag|--disable-drag Enable or disable tap-and-drag --enable-drag-lock|--disable-drag-lock Enable (in timeout mode) or disable drag-lock --en- able-drag-lock=[sticky|timeout] Enable drag-lock in sticky or time- out mode --enable-dwt|--disable-dwt Enable or disable disable-while-typing --enable-dwtp|--disable-dwtp Enable or disable disable-while-trackpointing --enable-left-handed|--disable-left-handed Enable or disable left handed button configuration --enable-middlebutton|--disable-middlebutton Enable or disable middle button emulation --enable-natural-scrolling|--disable-natural-scrolling Enable or disable natural scrolling --enable-scroll-button-lock|--disable-scroll-button-lock Enable or disable the scroll button lock --enable-tap|--disable-tap Enable or disable tap-to-click --set-area="x1/y1 x2/y2" Set the tablet area to the rectangle described by the two points x1/y1 and x2/y2. All coordinates must be in the range [0.0, 1.0]. --set-calibration="1.0 0.0 0.0 0.0 1.0 0.0" Set the first 6 elements of a 3x3 matrix to use for calibration. The third row of the matrix is always "0.0 0.0 0.1". --set-click-method=[none|clickfinger|buttonareas] Set the desired click method --set-clickfinger-map=[lrm|lmr] Set button mapping for clickfinger --set-custom-points="<value>;...;<value>" Sets the n points defining a custom acceleration function The points are defined in a semicolon-separated list of floating point non-negative numbers. Defaults to "0.0;1.0". This only applies to the custom profile. --set-custom-step=<value> Sets the distance along the x-axis between each point, starting from 0. Defaults to 1.0. This only applies to the custom profile. --set-custom-type=[fallback|motion|scroll] Sets the type of the custom acceleration function. Defaults to fallback. This only applies to the custom profile. --set-pressure-range=<min>:<max> Set the tablet tool pressure range to min:max. min and max must be in range [0.0, 1.0]. --set-profile=[adaptive|flat|custom] Set pointer acceleration profile --set-rotation-angle=<degrees> Set the rotation angle in degrees (0 to 360). --set-scroll-button=BTN_MIDDLE Set the button to the given button code --set-scroll-method=[none|twofinger|edge|button] Set the desired scroll method --set-sendevents=[disabled|enabled|disabled-on-external-mouse] Set the given sendevents mode. This option overrides --disable- sendevents="pattern" for any devices it matches via the --apply- to="pattern" option. --set-speed=<value> Set pointer acceleration speed. The allowed range is [-1, 1]. This only applies to the flat or adaptive profile. --set-tap-map=[lrm|lmr] Set button mapping for tapping NOTES Events shown by this tool may not correspond to the events seen by a dif- ferent user of libinput. This tool initializes a separate context. LIBINPUT Part of the libinput(1) suite libinput 1.28.1 libinput-debug-events(1)
NAME | SYNOPSIS | DESCRIPTION | OPTIONS | NOTES | LIBINPUT
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