Debian 鼠标滚轮配置

修改/etc/X11/xorg.conf，主要两点：
一是将Protocol改为“ImPS/2”
二是添加Option "ZAxisMapping" "4 5"，这一行的含义是将滚轮上滚动作映射为鼠标第4键，将滚轮下滚动作映射为鼠标第5键。

Section "InputDevice"
Identifier "Configured Mouse"
Driver "mouse"
Option "CorePointer"
Option "Device" "/dev/psaux"
Option "Protocol" "ImPS/2"
Option "Emulate3Buttons" "true"
Option "ZAxisMapping" "4 5"
EndSection