触摸板垂直滚动不起作用

触摸板垂直滚动不起作用

我使用 ubuntu 18.04 和 libinput 作为驱动程序。滚动不适用于我的系统。我尝试过更改自然滚动和两指滚动选项的所有组合,但它仍然不起作用。我运行了这个命令

xinput --list-props 12

12 是我系统中的触摸板设备 ID 以上命令的输出

 Device 'SynPS/2 Synaptics TouchPad':
    Device Enabled (171):   1
    Coordinate Transformation Matrix (173): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
    libinput Tapping Enabled (324): 1
    libinput Tapping Enabled Default (325): 0
    libinput Tapping Drag Enabled (326):    1
    libinput Tapping Drag Enabled Default (327):    1
    libinput Tapping Drag Lock Enabled (328):   0
    libinput Tapping Drag Lock Enabled Default (329):   0
    libinput Tapping Button Mapping Enabled (330):  1, 0
    libinput Tapping Button Mapping Default (331):  1, 0
    libinput Natural Scrolling Enabled (306):   1
    libinput Natural Scrolling Enabled Default (307):   0
    libinput Disable While Typing Enabled (332):    1
    libinput Disable While Typing Enabled Default (333):    1
    libinput Scroll Methods Available (308):    1, 1, 0
    libinput Scroll Method Enabled (309):   1, 0, 0
    libinput Scroll Method Enabled Default (310):   1, 0, 0
    libinput Click Methods Available (334): 1, 1
    libinput Click Method Enabled (335):    0, 1
    libinput Click Method Enabled Default (336):    1, 0
    libinput Middle Emulation Enabled (313):    0
    libinput Middle Emulation Enabled Default (314):    0
    libinput Accel Speed (315): 0.151079
    libinput Accel Speed Default (316): 0.000000
    libinput Left Handed Enabled (320): 0
    libinput Left Handed Enabled Default (321): 0
    libinput Send Events Modes Available (291): 1, 1
    libinput Send Events Mode Enabled (292):    0, 0
    libinput Send Events Mode Enabled Default (293):    0, 0
    Device Node (294):  "/dev/input/event6"
    Device Product ID (295):    2, 7
    libinput Drag Lock Buttons (322):   <no items>
    libinput Horizontal Scroll Enabled (323):   1

我的理解是因为在此列表中没有 libinput Vertical Scroll 选项,我尝试了以下命令

sudo xinput set-prop 12 "310" 1,1,0

我尝试了上面的命令所有不同的组合,但每次都会给出相同的错误

X Error of failed request:  BadAccess (attempt to access private resource denied)
  Major opcode of failed request:  131 (XInputExtension)
  Minor opcode of failed request:  57 ()
  Serial number of failed request:  19
  Current serial number in output stream:  20

如果使用任何其他包可以解决它,请建议一些解决方案或任何替代方案。

答案1

您正在尝试设置只读属性“libinput Scroll Method Enabled Default”。您可能想要设置属性“libinput Scroll Method Enabled”,即 309(您也可以只使用字符串而不是数字)。

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