似乎我的觸控板有點過於敏感,每一塊灰塵或幾乎看不見的舊指紋污漬有時都會被視為額外的手指,這意味著它變得無法使用,直到我禁用、擦洗並再次啟用它。最近這種情況每天都會發生多次,非常煩人。
我可以降低觸控板靈敏度以使其不易檢測到“鬼手指”嗎?
我正在使用 Unity Desktop 運行 Ubuntu 16.04,這是我的觸控板資訊:
$ xinput list-props 12
Device 'SYN1B7F:00 06CB:7406 Touchpad':
Device Enabled (169): 1
Coordinate Transformation Matrix (171): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
Device Accel Profile (302): 1
Device Accel Constant Deceleration (303): 2.500000
Device Accel Adaptive Deceleration (304): 1.000000
Device Accel Velocity Scaling (305): 12.500000
Synaptics Edges (326): 49, 1187, 48, 850
Synaptics Finger (327): 25, 30, 0
Synaptics Tap Time (328): 180
Synaptics Tap Move (329): 67
Synaptics Tap Durations (330): 180, 100, 100
Synaptics ClickPad (331): 1
Synaptics Middle Button Timeout (332): 0
Synaptics Two-Finger Pressure (333): 282
Synaptics Two-Finger Width (334): 7
Synaptics Scrolling Distance (335): 30, 30
Synaptics Edge Scrolling (336): 0, 0, 0
Synaptics Two-Finger Scrolling (337): 1, 1
Synaptics Move Speed (338): 1.000000, 1.750000, 0.130976, 0.000000
Synaptics Off (339): 2
Synaptics Locked Drags (340): 0
Synaptics Locked Drags Timeout (341): 5000
Synaptics Tap Action (342): 2, 3, 0, 0, 1, 3, 2
Synaptics Click Action (343): 1, 3, 0
Synaptics Circular Scrolling (344): 0
Synaptics Circular Scrolling Distance (345): 0.100000
Synaptics Circular Scrolling Trigger (346): 0
Synaptics Circular Pad (347): 0
Synaptics Palm Detection (348): 0
Synaptics Palm Dimensions (349): 10, 200
Synaptics Coasting Speed (350): 20.000000, 50.000000
Synaptics Pressure Motion (351): 30, 160
Synaptics Pressure Motion Factor (352): 1.000000, 1.000000
Synaptics Resolution Detect (353): 1
Synaptics Grab Event Device (354): 0
Synaptics Gestures (355): 1
Synaptics Capabilities (356): 1, 0, 0, 1, 1, 0, 0
Synaptics Pad Resolution (357): 12, 12
Synaptics Area (358): 0, 0, 0, 0
Synaptics Soft Button Areas (359): 618, 0, 736, 0, 0, 0, 0, 0
Synaptics Noise Cancellation (360): 7, 7
Device Product ID (289): 1739, 29702
Device Node (290): "/dev/input/event13"
答案1
您可以透過執行 syclient MaxTapTime=value 來降低 synclient 的 MaxTapTime 參數,從而降低觸控板靈敏度。
如果將該值設為 0,則會停用「點擊」功能