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xinput --set-prop X 請求失敗錯誤：BadValue（整數參數超出操作範圍）

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xinput --set-prop X 請求失敗錯誤：BadValue（整數參數超出操作範圍）

我試圖在 Ubuntu 22.04（Xorg 會話）中獲得更好的滑鼠滾動精度。我發現這帖子，對於我的特定係統，我得到

$ xinput list-props 12
Device 'Logitech T400':
    Device Enabled (189):   1
    Coordinate Transformation Matrix (191): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
    libinput Natural Scrolling Enabled (325):   0
    libinput Natural Scrolling Enabled Default (326):   0
    libinput Scroll Methods Available (327):    0, 0, 1
    libinput Scroll Method Enabled (328):   0, 0, 0
    libinput Scroll Method Enabled Default (329):   0, 0, 0
    libinput Button Scrolling Button (330): 2
    libinput Button Scrolling Button Default (331): 2
    libinput Button Scrolling Button Lock Enabled (332):    0
    libinput Button Scrolling Button Lock Enabled Default (333):    0
    libinput Middle Emulation Enabled (334):    0
    libinput Middle Emulation Enabled Default (335):    0
    libinput Accel Speed (336): 0.000000
    libinput Accel Speed Default (337): 0.000000
    libinput Accel Profiles Available (338):    1, 1
    libinput Accel Profile Enabled (339):   1, 0
    libinput Accel Profile Enabled Default (340):   1, 0
    libinput Left Handed Enabled (341): 0
    libinput Left Handed Enabled Default (342): 0
    libinput Send Events Modes Available (310): 1, 0
    libinput Send Events Mode Enabled (311):    0, 0
    libinput Send Events Mode Enabled Default (312):    0, 0
    Device Node (313):  "/dev/input/event8"
    Device Product ID (314):    1133, 16422
    libinput Drag Lock Buttons (343):   <no items>
    libinput Horizontal Scroll Enabled (344):   1
    libinput Scrolling Pixel Distance (345):    15
    libinput Scrolling Pixel Distance Default (346):    15
    libinput High Resolution Wheel Scroll Enabled (347):    1

libinput Scrolling Pixel Distance改變較小的數字看起來是合理的。然而，當我嘗試時xinput --set-prop 12 "libinput Scrolling Pixel Distance" 1我得到

X Error of failed request:  BadMatch (invalid parameter attributes)
  Major opcode of failed request:  131 (XInputExtension)
  Minor opcode of failed request:  57 ()
  Serial number of failed request:  21
  Current serial number in output stream:  22

無論我嘗試設定哪個值。我如何更改這些參數？

答案1

所以首先，根據https://man.archlinux.org/man/libinput.4.en#SCROLL_PIXEL_DISTANCE，數字越大，滾動越慢（更精確）。

根據我對 PopOS 的測試，有效值必須在 [10, 50] 範圍內。所以你已經差不多明白了，試試看：

xinput --set-prop 12 "libinput Scrolling Pixel Distance" 50

問題是，此設定僅對當前會話有效，並且需要在每次登入時重新套用。截至目前，我找不到更改預設值的方法。

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