$ sudo libinput-debug-events --verbose
[sudo] password for nate: 
input device 'Power Button', /dev/input/event2 is tagged by udev as: Keyboard
input device 'Power Button', /dev/input/event2 is a keyboard
input device 'Video Bus', /dev/input/event5 is tagged by udev as: Keyboard
input device 'Video Bus', /dev/input/event5 is a keyboard
input device 'Power Button', /dev/input/event1 is tagged by udev as: Keyboard
input device 'Power Button', /dev/input/event1 is a keyboard
input device 'Lid Switch', /dev/input/event0 not tagged as input device
not using input device '/dev/input/event0'.
input device 'HP Wide Vision FHD Camera', /dev/input/event15 is tagged by udev as: Keyboard
input device 'HP Wide Vision FHD Camera', /dev/input/event15 is a keyboard
input device 'HP IR Camera', /dev/input/event16 is tagged by udev as: Keyboard
input device 'HP IR Camera', /dev/input/event16 is a keyboard
input device 'ELAN0732:00 04F3:2493', /dev/input/event14 is tagged by udev as: Touchscreen
input device 'ELAN0732:00 04F3:2493', /dev/input/event14 is a touch device
input device 'HDA Intel PCH Headphone', /dev/input/event9 not tagged as input device
not using input device '/dev/input/event9'.
input device 'HDA Intel PCH HDMI/DP,pcm=3', /dev/input/event10 not tagged as input device
not using input device '/dev/input/event10'.
input device 'HDA Intel PCH HDMI/DP,pcm=7', /dev/input/event11 not tagged as input device
not using input device '/dev/input/event11'.
input device 'HDA Intel PCH HDMI/DP,pcm=8', /dev/input/event12 not tagged as input device
not using input device '/dev/input/event12'.
input device 'HDA Intel PCH Mic', /dev/input/event8 not tagged as input device
not using input device '/dev/input/event8'.
input device 'Intel Virtual Button driver', /dev/input/event6 is tagged by udev as: Keyboard
input device 'Intel Virtual Button driver', /dev/input/event6 is a keyboard
input device 'AT Translated Set 2 keyboard', /dev/input/event3 is tagged by udev as: Keyboard
input device 'AT Translated Set 2 keyboard', /dev/input/event3 is a keyboard
event4: tagged as LIBINPUT_MODEL_SYNAPTICS_SERIAL_TOUCHPAD
input device 'SynPS/2 Synaptics TouchPad', /dev/input/event4 is tagged by udev as: Touchpad
thumb: enabled thumb detection (+pressure) on 'SynPS/2 Synaptics TouchPad'
input device 'SynPS/2 Synaptics TouchPad', /dev/input/event4 is a touchpad
palm: dwt activated with SynPS/2 Synaptics TouchPad<->AT Translated Set 2 keyboard
input device 'PC Speaker', /dev/input/event17 not tagged as input device
not using input device '/dev/input/event17'.
input device 'HP WMI hotkeys', /dev/input/event13 is tagged by udev as: Keyboard
input device 'HP WMI hotkeys', /dev/input/event13 is a keyboard
input device 'HP Wireless hotkeys', /dev/input/event7 is tagged by udev as: Keyboard
input device 'HP Wireless hotkeys', /dev/input/event7 is a keyboard
-event2   DEVICE_ADDED     Power Button                      seat0 default group1  cap:k
-event5   DEVICE_ADDED     Video Bus                         seat0 default group2  cap:k
-event1   DEVICE_ADDED     Power Button                      seat0 default group3  cap:k
-event15  DEVICE_ADDED     HP Wide Vision FHD Camera         seat0 default group4  cap:k
-event16  DEVICE_ADDED     HP IR Camera                      seat0 default group5  cap:k
-event14  DEVICE_ADDED     ELAN0732:00 04F3:2493             seat0 default group6  cap:t  size 283x158mm calib
-event6   DEVICE_ADDED     Intel Virtual Button driver       seat0 default group7  cap:k
-event3   DEVICE_ADDED     AT Translated Set 2 keyboard      seat0 default group8  cap:k
-event4   DEVICE_ADDED     SynPS/2 Synaptics TouchPad        seat0 default group9  cap:pg  size 117x57mm tap(dl off) left scroll-nat scroll-2fg-edge click-buttonareas-clickfinger dwt-on
-event13  DEVICE_ADDED     HP WMI hotkeys                    seat0 default group10 cap:k
-event7   DEVICE_ADDED     HP Wireless hotkeys               seat0 default group11 cap:k
thumb state: THUMB_STATE_MAYBE → THUMB_STATE_NO
button state: from BUTTON_STATE_NONE, event BUTTON_EVENT_IN_AREA to BUTTON_STATE_AREA