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如何阻止我的鼠标在 Kubuntu 上移动到屏幕的右边缘？

tag-icon • tag-icon ubuntu multiple-monitors kubuntu amd-graphics-card
如何阻止我的鼠标在 Kubuntu 上移动到屏幕的右边缘？

我刚刚安装了 Kubuntu。硬件包括两块当前一代的 ATI 显卡，采用交火配置。我只插入了一台显示器。Kubuntu 的显示和监控设置正确识别我只有一个屏幕；多显示器部分直接说明了这一点。

尽管如此，当我将光标移到屏幕右边缘之外时，它可以移动到可见桌面之外大约一个全屏宽度的位置。

我还观察到一个程序将消息居中放置在屏幕右边缘的位置，即实际显示器的中间和假想监视器。

我猜想某些设置只供鼠标和该程序使用，它们认为存在第二个显示器。我该如何修复这个问题？

编辑以添加 xrandr 输出：

Screen 0: minimum 320 x 200, current 1280 x 1024, maximum 1280 x 1280
DFP1 disconnected (normal left inverted right x axis y axis)
DFP2 disconnected (normal left inverted right x axis y axis)
DFP3 disconnected (normal left inverted right x axis y axis)
DFP4 disconnected (normal left inverted right x axis y axis)
DFP5 connected 1280x1024+0+0 (normal left inverted right x axis y axis) 375mm x 301mm
   1280x1024      60.0*+   75.0     72.0     70.0  
   1280x960       72.0     75.0     70.0     60.0  
   1152x864       72.0     75.0     70.0     60.0  
   1280x768       72.0     75.0     70.0     60.0  
   1280x720       72.0     75.0     70.0     60.0  
   1024x768       72.0     75.0     70.1     60.0  
   800x600        70.0     72.2     75.0     60.3     56.2  
   640x480        70.0     75.0     72.8     67.0     59.9  
DFP6 disconnected (normal left inverted right x axis y axis)
CRT1 disconnected (normal left inverted right x axis y axis)

...和 ​​xorg.cfg

Section "ServerLayout"
    Identifier     "aticonfig Layout"
    Screen      0  "aticonfig-Screen[0]-0" 0 0
    Screen         "aticonfig-Screen[1]-0" RightOf "aticonfig-Screen[0]-0"
EndSection

Section "Module"
    Load  "glx"
EndSection

Section "Monitor"
    Identifier   "aticonfig-Monitor[0]-0"
    Option      "VendorName" "ATI Proprietary Driver"
    Option      "ModelName" "Generic Autodetecting Monitor"
    Option      "DPMS" "true"
EndSection

Section "Monitor"
    Identifier   "aticonfig-Monitor[1]-0"
    Option      "VendorName" "ATI Proprietary Driver"
    Option      "ModelName" "Generic Autodetecting Monitor"
    Option      "DPMS" "true"
EndSection

Section "Device"
    Identifier  "aticonfig-Device[0]-0"
    Driver      "fglrx"
    BusID       "PCI:1:0:0"
EndSection

Section "Device"
    Identifier  "aticonfig-Device[1]-0"
    Driver      "fglrx"
    BusID       "PCI:2:0:0"
EndSection

Section "Screen"
    Identifier "Default Screen"
    DefaultDepth     24
EndSection

Section "Screen"
    Identifier "aticonfig-Screen[0]-0"
    Device     "aticonfig-Device[0]-0"
    Monitor    "aticonfig-Monitor[0]-0"
    DefaultDepth     24
    SubSection "Display"
        Viewport   0 0
        Depth     24
    EndSubSection
EndSection

Section "Screen"
    Identifier "aticonfig-Screen[1]-0"
    Device     "aticonfig-Device[1]-0"
    Monitor    "aticonfig-Monitor[1]-0"
    DefaultDepth     24
    SubSection "Display"
        Viewport   0 0
        Depth     24
    EndSubSection
EndSection

答案1

我在别处找到了答案。只需用这个替换 xorg.conf 的顶部即可。基本上，将另一个屏幕脱节放置会消除鼠标遍历边缘的能力：

Section "ServerLayout"
    Identifier     "aticonfig Layout"
    Screen      0  "aticonfig-Screen[0]-0" 0 0
    Screen         "aticonfig-Screen[1]-0" 2000 0
EndSection

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