我试图理解这些弹出窗口的含义:
这些是由 evtest 解释为 F21 的遥控器按钮触发的:
Event: time 1635529094.562219, type 17 (EV_LED), code 0 (LED_NUML), value 0
Event: time 1635529094.562219, type 4 (EV_MSC), code 4 (MSC_SCAN), value 70070
Event: time 1635529094.562219, type 1 (EV_KEY), code 191 (KEY_F21), value 1
Event: time 1635529094.562219, -------------- SYN_REPORT ------------
Event: time 1635529094.578132, type 4 (EV_MSC), code 4 (MSC_SCAN), value 70070
Event: time 1635529094.578132, type 1 (EV_KEY), code 191 (KEY_F21), value 0
Event: time 1635529094.578132, -------------- SYN_REPORT ------------
xev 不抓取任何键码。