有时，当我用触摸板模拟鼠标中键时，我的视图会自动滚动到顶部。我在我的浏览器和 X 终端上看到过这个。
这是我的触摸板设置：
$ synclient -l
Parameter settings:
LeftEdge = 38
RightEdge = 929
TopEdge = 38
BottomEdge = 673
FingerLow = 25
FingerHigh = 30
MaxTapTime = 180
MaxTapMove = 52
MaxDoubleTapTime = 180
SingleTapTimeout = 180
ClickTime = 100
EmulateMidButtonTime = 75
EmulateTwoFingerMinZ = 282
EmulateTwoFingerMinW = 7
VertScrollDelta = 24
HorizScrollDelta = 24
VertEdgeScroll = 0
HorizEdgeScroll = 0
CornerCoasting = 0
VertTwoFingerScroll = 1
HorizTwoFingerScroll = 0
MinSpeed = 1
MaxSpeed = 1.75
AccelFactor = 0.166667
TouchpadOff = 0
LockedDrags = 0
LockedDragTimeout = 5000
RTCornerButton = 0
RBCornerButton = 0
LTCornerButton = 0
LBCornerButton = 0
TapButton1 = 1
TapButton2 = 0
TapButton3 = 0
ClickFinger1 = 1
ClickFinger2 = 2
ClickFinger3 = 1
CircularScrolling = 0
CircScrollDelta = 0.1
CircScrollTrigger = 0
PalmDetect = 0
PalmMinWidth = 10
PalmMinZ = 200
CoastingSpeed = 20
CoastingFriction = 50
PressureMotionMinZ = 30
PressureMotionMaxZ = 160
PressureMotionMinFactor = 1
PressureMotionMaxFactor = 1
GrabEventDevice = 1
TapAndDragGesture = 1
AreaLeftEdge = 0
AreaRightEdge = 0
AreaTopEdge = 0
AreaBottomEdge = 0
HorizHysteresis = 6
VertHysteresis = 6
ClickPad = 0