A Karabiner YAML config for Emacs keybindings

karabiner-emacs.yaml

---
global:
  ask_for_confirmation_before_quitting: true
  check_for_updates_on_startup: true
  show_in_menu_bar: false
  show_profile_name_in_menu_bar: false
  unsafe_ui: false
profiles:
- complex_modifications:
    parameters:
      basic.simultaneous_threshold_milliseconds: 50
      basic.to_delayed_action_delay_milliseconds: 500
      basic.to_if_alone_timeout_milliseconds: 1000
      basic.to_if_held_down_threshold_milliseconds: 500
      mouse_motion_to_scroll.speed: 100

    conditions_dict:
      except-Emacs:
        type: frontmost_application_unless
        bundle_identifiers:
          - "^org\\.gnu\\.Emacs$"
          - "^org\\.gnu\\.AquamacsEmacs$"
          - "^org\\.gnu\\.Aquamacs$"

      except-IDEs:
        type: frontmost_application_unless
        bundle_identifiers:
          - "^org\\.gnu\\.Emacs$"
          - "^org\\.gnu\\.AquamacsEmacs$"
          - "^org\\.gnu\\.Aquamacs$"
          - "^org\\.pqrs\\.unknownapp.conkeror$"
          - "^com\\.microsoft\\.rdc$"
          - "^com\\.microsoft\\.rdc\\."
          - "^net\\.sf\\.cord$"
          - "^com\\.thinomenon\\.RemoteDesktopConnection$"
          - "^com\\.itap-mobile\\.qmote$"
          - "^com\\.nulana\\.remotixmac$"
          - "^com\\.p5sys\\.jump\\.mac\\.viewer$"
          - "^com\\.p5sys\\.jump\\.mac\\.viewer\\."
          - "^com\\.teamviewer\\.TeamViewer$"
          - "^com\\.vmware\\.horizon$"
          - "^com\\.2X\\.Client\\.Mac$"
          - "^com\\.OpenText\\.Exceed-TurboX-Client$"
          - "^com\\.realvnc\\.vncviewer$"
          - "^com\\.citrix\\.receiver\\.icaviewer"
          - "^com\\.apple\\.Terminal$"
          - "^com\\.googlecode\\.iterm2$"
          - "^co\\.zeit\\.hyperterm$"
          - "^co\\.zeit\\.hyper$"
          - "^io\\.alacritty$"
          - "^net\\.kovidgoyal\\.kitty$"
          - "^org\\.vim\\."
          - "^com\\.qvacua\\.VimR$"
          - "^com\\.vmware\\.fusion$"
          - "^com\\.vmware\\.horizon$"
          - "^com\\.vmware\\.view$"
          - "^com\\.parallels\\.desktop$"
          - "^com\\.parallels\\.vm$"
          - "^com\\.parallels\\.desktop\\.console$"
          - "^org\\.virtualbox\\.app\\.VirtualBoxVM$"
          - "^com\\.citrix\\.XenAppViewer$"
          - "^com\\.vmware\\.proxyApp\\."
          - "^com\\.parallels\\.winapp\\."
          - "^com\\.utmapp\\.UTM$"
          - "^org\\.x\\.X11$"
          - "^com\\.apple\\.x11$"
          - "^org\\.macosforge\\.xquartz\\.X11$"
          - "^org\\.macports\\.X11$"
          - "^com\\.sublimetext\\."
          - "^com\\.microsoft\\.VSCode$"

      not-C-q:
        name: C-q
        type: variable_unless
        value: 1

      C-x:
        name: C-x
        type: variable_if
        value: 1

      Firefox:
        type: frontmost_application_if
        bundle_identifiers:
          - "^org\\.mozilla\\.firefox$"

    rules:
    - description: Firefox key bindings
      sub-rules:
        - conditions:
            - Firefox
            - C-x
          manipulators:
            - r => S-r
            - b => C-S-m

    - description: Emacs key bindings [C-x key strokes]
      sub-rules:
        - conditions:
            - C-x
          manipulators:
            - C-c => S-q
            - C-f => S-o
            - C-s => S-s
            - k => S-w
            - t => S-t
            - from:
                any: key_code
                modifiers:
                  optional:
                    - any
        - conditions:
            - except-Emacs
            - not-C-q
          manipulators:
            - from: C-x
              to:
              - set_variable:
                  name: C-x
                  value: 1
              to_delayed_action:
                to_if_canceled:
                - set_variable:
                    name: C-x
                    value: 0
                to_if_invoked:
                - set_variable:
                    name: C-x
                    value: 0

    - description: Emacs key bindings for all
      conditions:
        - except-Emacs
        - not-C-q
      manipulators:
          - C-K => C-tab
          - C-J => C-TAB

    - description: Emacs key bindings [control+keys]
      conditions:
        - except-IDEs
        - not-C-q
      manipulators:
          - C-i => tab
          - C-g => oescape
          - C-m => return_or_enter
          - C-b => left_arrow
          - C-f => right_arrow
          - C-n => down_arrow
          - C-p => up_arrow
          - C-v => page_down
          - M-v => page_up
          - C-s => S-f
          - C-slash => S-z
          - C-w => S-x
          - C-y => S-v
          - C-t => delete_or_backspace
          - M-w => S-c
          - M-b => M-left_arrow
          - M-f => M-right_arrow
          - M-t => M-delete_or_backspace
          - M-d => F-M-delete_or_backspace
          - from: C-spacebar
            to:
              - sticky_modifier:
                  left_shift: toggle

    - description: Ctrl-q espcape
      conditions:
        - except-IDEs
        - not-C-q
      manipulators:
        - from: C-q
          to:
          - set_variable:
              name: C-q
              value: 1
          to_delayed_action:
            to_if_canceled:
            - set_variable:
                name: C-q
                value: 0
            to_if_invoked:
            - set_variable:
                name: C-q
                value: 0

  devices:
  - disable_built_in_keyboard_if_exists: false
    fn_function_keys: []
    identifiers:
      is_keyboard: true
      is_pointing_device: false
      product_id: 0
      vendor_id: 0
    ignore: false
    manipulate_caps_lock_led: true

    simple_modifications:
    - left_command => left_option
    - left_option => left_command

    treat_as_built_in_keyboard: false
  - disable_built_in_keyboard_if_exists: false
    fn_function_keys: []
    identifiers:
      is_keyboard: false
      is_pointing_device: true
      product_id: 0
      vendor_id: 0
    ignore: true
    manipulate_caps_lock_led: false
    simple_modifications: []
    treat_as_built_in_keyboard: false
  - disable_built_in_keyboard_if_exists: false
    fn_function_keys: []
    identifiers:
      is_keyboard: true
      is_pointing_device: false
      product_id: 219
      vendor_id: 1118
    ignore: false
    manipulate_caps_lock_led: true
    simple_modifications: []
    treat_as_built_in_keyboard: false
  - disable_built_in_keyboard_if_exists: false
    fn_function_keys: []
    identifiers:
      is_keyboard: false
      is_pointing_device: true
      product_id: 19744
      vendor_id: 1121
    ignore: true
    manipulate_caps_lock_led: false
    simple_modifications: []
    treat_as_built_in_keyboard: false
  fn_function_keys:
  - from: f1
    to:
    - consumer_key_code: display_brightness_decrement
  - from: f2
    to:
    - consumer_key_code: display_brightness_increment
  - from: f3
    to:
    - apple_vendor_keyboard_key_code: mission_control
  - from: f4
    to:
    - apple_vendor_keyboard_key_code: spotlight
  - from: f5
    to:
    - consumer_key_code: dictation
  - from: f6
    to:
    - key_code: f6
  - from: f7
    to:
    - consumer_key_code: rewind
  - from: f8
    to:
    - consumer_key_code: play_or_pause
  - from: f9
    to:
    - consumer_key_code: fast_forward
  - from: f10
    to:
    - consumer_key_code: mute
  - from: f11
    to:
    - consumer_key_code: volume_decrement
  - from: f12
    to:
    - consumer_key_code: volume_increment

  name: Default profile
  parameters:
    delay_milliseconds_before_open_device: 1000
  selected: true
  simple_modifications:
  - caps_lock => left_control
  virtual_hid_keyboard:
    country_code: 0
    indicate_sticky_modifier_keys_state: true
    mouse_key_xy_scale: 100