💻 Xmodmap

Only for Xorg desktops (No Wayland support atm)

Remapping Caps Lock as a modifier key for navigation (hjkl ui nm)

Mapped keys: h = Left, j = Down, k = Up, l = Right, u = PGDN, i = PGUP, n = Home, m = End

• vim /home/user/.Xmodmap

  keycode 66 = Mode_switch  
  keysym h = h H Left  
  keysym l = l L Right  
  keysym k = k K Up
  keysym j = j J Down
  keysym n = n N End
  keysym m = m M Home
  keysym i = i I KP_Prior
  keysym u = u U KP_Next
  keysym o = o O KP_Insert
  keysym p = p P KP_Delete
  keysym q = q Q Escape
  keysym 1 = 1 exclam                 F1
  keysym 2 = 2 at                     F2
  keysym 3 = 3 numbersign             F3
  keysym 4 = 4 dollar                 F4
  keysym 5 = 5 percent                F5
  keysym 6 = 6 asciicircum            F6
  keysym 7 = 7 ampersand              F7
  keysym 8 = 8 asterisk               F8
  keysym 9 = 9 parenleft              F9
  keysym 0 = 0 parenright             F10
  #keysym minus = minus underscore     F11
  #keysym equal = equal plus           F12 
  

  See Keyboard Scancodes for key additional options

• Test with xmodmap ~/.Xmodmap

• vim /home/user/.config/autostart/xmodmap.desktop

  [Desktop Entry]
  Type=Application
  Exec=xmodmap arrow keys
  Hidden=false
  NoDisplay=false
  X-GNOME-Autostart-enabled=true
  Name[en_US]=xmodmap
  Name=xmodmap
  Comment[en_US]=xmodmap /home/user/.Xmodmap
  Comment=xmodmap /home/user/.Xmodmap
  

  Unless your user name is user this needs to be changed: /home/user/.Xmodmap

• sudoc /home/user/.config/autostart/xmodmap.desktop

• Or include xmodmap ~/.Xmodmap in your startup script

• Arch Wiki: Xmodmap