CSDN-harttle：Linux下的触摸板设置：以 Arch Linux 为例
Synaptics驱动：xf86-input-synaptics
外接鼠标时禁用触摸板：/etc/udev/rules.d/01-touchpad.rules
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| ACTION=="add", SUBSYSTEM=="input", KERNEL=="mouse[0-9]", ENV{DISPLAY}=":0.0", ENV{XAUTHORITY}="/home/_username_/.Xauthority", ENV{ID_CLASS}="mouse", RUN+="/usr/bin/synclient TouchpadOff=1" ACTION=="remove", SUBSYSTEM=="input", KERNEL=="mouse[0-9]", ENV{DISPLAY}=":0.0", ENV{XAUTHORITY}="/home/_username_/.Xauthority", ENV{ID_CLASS}="mouse", RUN+="/usr/bin/synclient TouchpadOff=0"
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触摸板高级配置：/etc/X11/xorg.conf.d/50-synaptics.conf
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| Section "InputClass"
Identifier "touchpad catchall"
Driver "synaptics"
MatchIsTouchpad "on"
Option "TapButton1" "1" #单指敲击产生左键事件
Option "TapButton2" "2" #双指敲击产生中键事件
Option "TapButton3" "3" #三指敲击产生右键事件
Option "VertEdgeScroll" "on" #滚动操作：横向、纵向、环形
Option "VertTwoFingerScroll" "on"
Option "HorizEdgeScroll" "on"
Option "HorizTwoFingerScroll" "on"
Option "CircularScrolling" "on"
Option "CircScrollTrigger" "2"
Option "EmulateTwoFingerMinZ" "40" #精确度
Option "EmulateTwoFingerMinW" "8"
Option "CoastingSpeed" "20" #触发快速滚动的滚动速度
Option "PalmDetect" "1" #避免手掌触发触摸板
Option "PalmMinWidth" "3" #认定为手掌的最小宽度
Option "PalmMinZ" "200" #认定为手掌的最小压力值 EndSection
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