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✏️ Editing: _libinput

#compdef libinput

(( $+functions[_libinput_commands] )) || _libinput_commands()
{
	local -a commands
	commands=(
		"list-devices:List all devices recognized by libinput"
		"debug-events:Print all events as seen by libinput"
		"debug-gui:Show a GUI to visualize libinput's events"
		"debug-tablet:Show tablet axis and button values"
		"measure:Measure various properties of devices"
		"analyze:Analyze device data"
		"record:Record the events from a device"
		"replay:Replay the events from a device"
	)

_describe -t commands 'command' commands
}

__all_seats()
{
	# Obviously only works with logind
	local -a seats
	seats=${(f)"$(loginctl --no-legend --no-pager list-seats 2>/dev/null)"}
	if [[ -z $seats ]]; then
		# Can always offer seat0, even if we can't enumerate the seats
		compadd "$@" - seat0
	else
		compadd "$@" - $seats
	fi
}

(( $+functions[_libinput_list-devices] )) || _libinput_list-devices()
{
	_arguments \
		'--help[Show help and exit]' \
		'--version[show version information and exit]'
}

(( $+functions[_libinput_debug-events] )) || _libinput_debug-events()
{
	_arguments \
		'--help[Show debug-events help and exit]' \
		'--quiet[Only print libinput messages and nothing from this tool]' \
		'--verbose[Use verbose output]' \
		'--show-keycodes[Make all keycodes visible]' \
		'--grab[Exclusively grab all opened devices]' \
		'--device=[Use the given device with the path backend]:device:_files -W /dev/input/ -P /dev/input/' \
		'--udev=[Listen for notifications on the given seat]:seat:__all_seats' \
		'--apply-to=[Apply configuration options where the device name matches the pattern]:pattern' \
		'--disable-sendevents=[Disable send-events option for the devices matching the pattern]:pattern' \
		'--set-click-method=[Set the desired click method]:click-method:(none clickfinger buttonareas)' \
		'--set-scroll-method=[Set the desired scroll method]:scroll-method:(none twofinger edge button)' \
		'--set-scroll-button=[Set the button to the given button code]' \
		'--set-profile=[Set pointer acceleration profile]:accel-profile:(adaptive flat)' \
		'--set-speed=[Set pointer acceleration speed (within range \[-1, 1\])]' \
		'--set-tap-map=[Set button mapping for tapping]:tap-map:((  \
			lrm\:2-fingers\ right-click\ /\ 3-fingers\ middle-click \
			lmr\:2-fingers\ middle-click\ /\ 3-fingers\ right-click \
		))' \
		+ '(tap-to-click)' \
		'--enable-tap[Enable tap-to-click]' \
		'--disable-tap[Disable tap-to-click]' \
		+ '(drag)' \
		'--enable-drag[Enable tap-and-drag]' \
		'--disable-drag[Disable tap-and-drag]' \
		+ '(drag-lock)' \
		'--enable-drag-lock[Enable drag-lock]' \
		'--disable-drag-lock[Disable drag-lock]' \
		+ '(natural-scrolling)' \
		'--enable-natural-scrolling[Enable natural scrolling]' \
		'--disable-natural-scrolling[Disable natural scrolling]' \
		+ '(left-handed)' \
		'--enable-left-handed[Enable left handed button configuration]' \
		'--disable-left-handed[Disable left handed button configuration]' \
		+ '(middlebutton)' \
		'--enable-middlebutton[Enable middle button emulation]' \
		'--disable-middlebutton[Disable middle button emulation]' \
		+ '(dwt)' \
		'--enable-dwt[Enable disable-while-typing]' \
		'--disable-dwt[Disable disable-while-typing]'
}

(( $+functions[_libinput_debug-gui] )) || _libinput_debug-gui()
{
	_arguments \
		'--help[Show debug-gui help and exit]' \
		'--verbose[Use verbose output]' \
		'--grab[Exclusively grab all opened devices]' \
		'--device=[Use the given device with the path backend]:device:_files -W /dev/input/ -P /dev/input/' \
		'--udev=[Listen for notifications on the given seat]:seat:_libinput_all_seats'
}

(( $+functions[_libinput_debug-tablet] )) || _libinput_debug-tablet()
{
	_arguments \
		'--help[Show debug-tablet help and exit]' \
		'--device=[Use the given device with the path backend]:device:_files -W /dev/input/ -P /dev/input/' \
		'--udev=[Use the first tablet device on the given seat]:seat:_libinput_all_seats'
}

(( $+functions[_libinput_measure] )) || _libinput_measure()
{
	local curcontext=$curcontext state line ret=1
	local features
	features=(
		"fuzz:Measure touch fuzz to avoid pointer jitter"
		"touch-size:Measure touch size and orientation"
		"touchpad-tap:Measure tap-to-click time"
		"touchpad-pressure:Measure touch pressure"
	)

_arguments -C \
		'--help[Print help and exit]' \
		':feature:->feature' \
		'*:: :->option-or-argument'

case $state in
		(feature)
			_describe -t features 'feature' features
			;;
		(option-or-argument)
			curcontext=${curcontext%:*:*}:libinput-measure-$words[1]:
			if ! _call_function ret _libinput_measure_$words[1]; then
				_message "unknown feature: $words[1]"
			fi
			;;
	esac
	return ret
}

(( $+functions[_libinput_measure_fuzz] )) || _libinput_measure_fuzz()
{
	_arguments \
		'--help[Show help message and exit]' \
		':device:_files -W /dev/input/ -P /dev/input/'
}

(( $+functions[_libinput_measure_touch-size] )) || _libinput_measure_touch-size()
{
	_arguments \
		'--help[Show help message and exit]' \
		'--touch-threshold=[Assume a touch pressure threshold of "down:up"]' \
		'--palm-threshold=[Assume a palm threshold of N]' \
		':device:_files -W /dev/input/ -P /dev/input/'
}

(( $+functions[_libinput_measure_touchpad-pressure] )) || _libinput_measure_touchpad-pressure()
{
	_arguments \
		'--help[Show help message and exit]' \
		'--touch-threshold=[Assume a touch pressure threshold of "down:up"]' \
		'--palm-threshold=[Assume a palm threshold of N]' \
		':device:_files -W /dev/input/ -P /dev/input/'
}

(( $+functions[_libinput_measure_touchpad-tap] )) || _libinput_measure_touchpad-tap()
{
	_arguments \
		'--help[Show help message and exit]' \
		'--format=dat[Specify the data format to be printed. The default is "summary"]'
		':device:_files -W /dev/input/ -P /dev/input/'
}

(( $+functions[_libinput_analyze] )) || _libinput_analyze()
{
	local curcontext=$curcontext state line ret=1
	local features
	features=(
		"per-slot-delta:analyze relative movement per touch per slot"
	)

_arguments -C \
		'--help[Print help and exit]' \
		':feature:->feature' \
		'*:: :->option-or-argument'

case $state in
		(feature)
			_describe -t features 'feature' features
			;;
		(option-or-argument)
			curcontext=${curcontext%:*:*}:libinput-analyze-$words[1]:
			if ! _call_function ret _libinput_analyze_$words[1]; then
				_message "unknown feature: $words[1]"
			fi
			;;
	esac
	return ret
}

(( $+functions[_libinput_record] )) || _libinput_record()
{
	_arguments \
		'--help[Show help message and exit]' \
		'--all[Record all /dev/input/event* devices available on the system]' \
		'--autorestart=[Terminate the current recording after s seconds of device inactivity]' \
		{-o+,--output=}'[Speficy the output file to use]:file:_files -g "*.yml"' \
		'--multiple[Record multiple devices at once]' \
		'--show-keycodes[Show keycodes as-is in the recording]' \
		'--with-libinput[Record libinput events alongside device events]' \
		'*::device:_files -W /dev/input/ -P /dev/input/'
}

(( $+functions[_libinput_replay] )) || _libinput_replay()
{
	_arguments \
		'--help[Show help message and exit]' \
		':recording:_files'
}

_libinput()
{
	local curcontext=$curcontext state line ret=1

_arguments -C \
		{-h,--help}'[Show help message and exit]' \
		'--version[Show version information and exit]' \
		':command:->command' \
		'*:: :->option-or-argument' && return

case $state in
		(command)
			_libinput_commands && ret=0
			;;
		(option-or-argument)
			curcontext=${curcontext%:*:*}:libinput-$words[1]:
			if ! _call_function ret _libinput_$words[1]; then
				_message "unknown libinput command: $words[1]"
			fi
			;;
	esac
	return ret
}

_libinput

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