event8  - button state: touch 2 from BUTTON_STATE_NONE    event BUTTON_EVENT_IN_AREA     to BUTTON_STATE_AREA   
event8  - tap: touch 2 (TOUCH_BEGIN), tap state TAP_STATE_IDLE → TAP_EVENT_TOUCH → TAP_STATE_TOUCH
event8  - button state: touch 2 from BUTTON_STATE_AREA    event BUTTON_EVENT_UP          to BUTTON_STATE_NONE   
event8  - tap: touch 2 (TOUCH_END), tap state TAP_STATE_TOUCH → TAP_EVENT_RELEASE → TAP_STATE_TAPPED
 event8   POINTER_BUTTON   +0.000s	BTN_LEFT (272) pressed, seat count: 1
event8  - tap: touch -1 (), tap state TAP_STATE_TAPPED → TAP_EVENT_TIMEOUT → TAP_STATE_IDLE
 event8   POINTER_BUTTON   +0.063s	BTN_LEFT (272) released, seat count: 0
