extended_layers.json

{
    "global": {
        "check_for_updates_on_startup": true,
        "show_in_menu_bar": true,
        "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
                },
//!!!DELETE ALL OF THE BELOW COMMENTS IN ORDER FOR THIS TO WORK!!!
//Everything above is just boilerplate, what is important is the Rules section
                "rules": [
                    {
//This generates the Extended Layer when you press and hold "Caps Lock" (you can change this to any other key)
                        "description": "Auto generated layer conditions",
                        "manipulators": [
                            {
                                "from": {
//You'd change the key here if you don't want "Caps Lock" to be the Extended Layer key
                                    "key_code": "caps_lock",
                                    "modifiers": {
                                        "optional": [
                                            "any"
                                        ]
                                    }
                                },
                                "to": [
                                    {
                                        "set_variable": {
                                            "name": "extend",
                                            "value": 1
                                        }
                                    }
                                ],
                                "to_after_key_up": [
                                    {
                                        "set_variable": {
                                            "name": "extend",
                                            "value": 0
                                        }
                                    }
                                ],
//If you press "Caps Lock" and nothing else, on keypress up, it will delete a character
                                "to_if_alone": [
                                    {
                                        "key_code": "delete_or_backspace"
                                    }
                                ],
                                "type": "basic"
                            }
                        ]
                    },
                    {
//Here is where you define the extended layer remapping
                        "description": "Extend Layer",
                        "manipulators": [
                            {
                                "conditions": [
                                    {
                                        "name": "extend",
                                        "type": "variable_if",
                                        "value": 1
                                    }
                                ],
                                "from": {
//This for example means that "Caps Lock" + "q" will be like holding down "Left Control"
                                    "key_code": "q",
                                    "modifiers": {
                                        "optional": [
                                            "any"
                                        ]
                                    }
                                },
                                "to": [
                                    {
//As defined here
                                        "key_code": "left_control"
                                    }
                                ],
                                "type": "basic"
                            },
// Each mapping starts with the "conditions" section, so add or remove this for as many keys as you'd like to remap
                            {
                                "conditions": [
                                    {
                                        "name": "extend",
                                        "type": "variable_if",
                                        "value": 1
                                    }
                                ],
                                "from": {
                                    "key_code": "e",
                                    "modifiers": {
                                        "optional": [
                                            "any"
                                        ]
                                    }
                                },
                                "to": [
                                    {
                                        "key_code": "left_option"
                                    }
                                ],
                                "type": "basic"
                            },
                            {
                                "conditions": [
                                    {
                                        "name": "extend",
                                        "type": "variable_if",
                                        "value": 1
                                    }
                                ],
                                "from": {
                                    "key_code": "r",
                                    "modifiers": {
                                        "optional": [
                                            "any"
                                        ]
                                    }
                                },
                                "to": [
                                    {
                                        "key_code": "left_command"
                                    }
                                ],
                                "type": "basic"
                            },
                            {
                                "conditions": [
                                    {
                                        "name": "extend",
                                        "type": "variable_if",
                                        "value": 1
                                    }
                                ],
                                "from": {
                                    "key_code": "f",
                                    "modifiers": {
                                        "optional": [
                                            "any"
                                        ]
                                    }
                                },
                                "to": [
                                    {
                                        "key_code": "left_shift"
                                    }
                                ],
                                "type": "basic"
                            },
                            {
                                "conditions": [
                                    {
                                        "name": "extend",
                                        "type": "variable_if",
                                        "value": 1
                                    }
                                ],
                                "from": {
                                    "key_code": "semicolon",
                                    "modifiers": {
                                        "mandatory": [
                                            "left_shift"
                                        ]
                                    }
                                },
                                "to": [
                                    {
                                        "key_code": "delete_forward",
                                        "modifiers": [
                                            "left_option"
                                        ]
                                    }
                                ],
                                "type": "basic"
                            },
                            {
                                "conditions": [
                                    {
                                        "name": "extend",
                                        "type": "variable_if",
                                        "value": 1
                                    }
                                ],
                                "from": {
                                    "key_code": "semicolon",
                                    "modifiers": {
                                        "optional": [
                                            "any"
                                        ]
                                    }
                                },
                                "to": [
                                    {
                                        "key_code": "delete_or_backspace",
                                        "modifiers": [
                                            "left_option"
                                        ]
                                    }
                                ],
                                "type": "basic"
                            },
                            {
                                "conditions": [
                                    {
                                        "name": "extend",
                                        "type": "variable_if",
                                        "value": 1
                                    }
                                ],
                                "from": {
                                    "key_code": "quote",
                                    "modifiers": {
                                        "optional": [
                                            "any"
                                        ]
                                    }
                                },
                                "to": [
                                    {
                                        "key_code": "delete_forward"
                                    }
                                ],
                                "type": "basic"
                            },
                            {
                                "conditions": [
                                    {
                                        "name": "extend",
                                        "type": "variable_if",
                                        "value": 1
                                    }
                                ],
                                "from": {
                                    "key_code": "delete_or_backspace",
                                    "modifiers": {
                                        "optional": [
                                            "any"
                                        ]
                                    }
                                },
                                "to": [
                                    {
                                        "key_code": "delete_forward"
                                    }
                                ],
                                "type": "basic"
                            },
//This is how you map WASD to arrow keys
                            {
                                "conditions": [
                                    {
                                        "name": "extend",
                                        "type": "variable_if",
                                        "value": 1
                                    }
                                ],
                                "from": {
                                    "key_code": "a",
                                    "modifiers": {
                                        "optional": [
                                            "any"
                                        ]
                                    }
                                },
                                "to": [
                                    {
                                        "key_code": "left_arrow"
                                    }
                                ],
                                "type": "basic"
                            },
                            {
                                "conditions": [
                                    {
                                        "name": "extend",
                                        "type": "variable_if",
                                        "value": 1
                                    }
                                ],
                                "from": {
                                    "key_code": "s",
                                    "modifiers": {
                                        "optional": [
                                            "any"
                                        ]
                                    }
                                },
                                "to": [
                                    {
                                        "key_code": "down_arrow"
                                    }
                                ],
                                "type": "basic"
                            },
                            {
                                "conditions": [
                                    {
                                        "name": "extend",
                                        "type": "variable_if",
                                        "value": 1
                                    }
                                ],
                                "from": {
                                    "key_code": "w",
                                    "modifiers": {
                                        "optional": [
                                            "any"
                                        ]
                                    }
                                },
                                "to": [
                                    {
                                        "key_code": "up_arrow"
                                    }
                                ],
                                "type": "basic"
                            },
                            {
                                "conditions": [
                                    {
                                        "name": "extend",
                                        "type": "variable_if",
                                        "value": 1
                                    }
                                ],
                                "from": {
                                    "key_code": "d",
                                    "modifiers": {
                                        "optional": [
                                            "any"
                                        ]
                                    }
                                },
                                "to": [
                                    {
                                        "key_code": "right_arrow"
                                    }
                                ],
                                "type": "basic"
                            },
//This is how you map IJKL to arrow keys
                            {
                                "conditions": [
                                    {
                                        "name": "extend",
                                        "type": "variable_if",
                                        "value": 1
                                    }
                                ],
                                "from": {
                                    "key_code": "j",
                                    "modifiers": {
                                        "optional": [
                                            "any"
                                        ]
                                    }
                                },
                                "to": [
                                    {
                                        "key_code": "left_arrow"
                                    }
                                ],
                                "type": "basic"
                            },
                            {
                                "conditions": [
                                    {
                                        "name": "extend",
                                        "type": "variable_if",
                                        "value": 1
                                    }
                                ],
                                "from": {
                                    "key_code": "k",
                                    "modifiers": {
                                        "optional": [
                                            "any"
                                        ]
                                    }
                                },
                                "to": [
                                    {
                                        "key_code": "down_arrow"
                                    }
                                ],
                                "type": "basic"
                            },
                            {
                                "conditions": [
                                    {
                                        "name": "extend",
                                        "type": "variable_if",
                                        "value": 1
                                    }
                                ],
                                "from": {
                                    "key_code": "i",
                                    "modifiers": {
                                        "optional": [
                                            "any"
                                        ]
                                    }
                                },
                                "to": [
                                    {
                                        "key_code": "up_arrow"
                                    }
                                ],
                                "type": "basic"
                            },
                            {
                                "conditions": [
                                    {
                                        "name": "extend",
                                        "type": "variable_if",
                                        "value": 1
                                    }
                                ],
                                "from": {
                                    "key_code": "l",
                                    "modifiers": {
                                        "optional": [
                                            "any"
                                        ]
                                    }
                                },
                                "to": [
                                    {
                                        "key_code": "right_arrow"
                                    }
                                ],
                                "type": "basic"
                            },
                            {
                                "conditions": [
                                    {
                                        "name": "extend",
                                        "type": "variable_if",
                                        "value": 1
                                    }
                                ],
                                "from": {
                                    "key_code": "u",
                                    "modifiers": {
                                        "optional": [
                                            "any"
                                        ]
                                    }
                                },
                                "to": [
                                    {
                                        "key_code": "home"
                                    }
                                ],
                                "type": "basic"
                            },
                            {
                                "conditions": [
                                    {
                                        "name": "extend",
                                        "type": "variable_if",
                                        "value": 1
                                    }
                                ],
                                "from": {
                                    "key_code": "o",
                                    "modifiers": {
                                        "optional": [
                                            "any"
                                        ]
                                    }
                                },
                                "to": [
                                    {
                                        "key_code": "end"
                                    }
                                ],
                                "type": "basic"
                            },
                            {
                                "conditions": [
                                    {
                                        "name": "extend",
                                        "type": "variable_if",
                                        "value": 1
                                    }
                                ],
                                "from": {
                                    "key_code": "h",
                                    "modifiers": {
                                        "optional": [
                                            "any"
                                        ]
                                    }
                                },
                                "to": [
                                    {
                                        "key_code": "page_down"
                                    }
                                ],
                                "type": "basic"
                            },
                            {
                                "conditions": [
                                    {
                                        "name": "extend",
                                        "type": "variable_if",
                                        "value": 1
                                    }
                                ],
                                "from": {
                                    "key_code": "y",
                                    "modifiers": {
                                        "optional": [
                                            "any"
                                        ]
                                    }
                                },
                                "to": [
                                    {
                                        "key_code": "page_up"
                                    }
                                ],
                                "type": "basic"
                            },
                            {
                                "conditions": [
                                    {
                                        "name": "extend",
                                        "type": "variable_if",
                                        "value": 1
                                    }
                                ],
                                "from": {
                                    "key_code": "q",
                                    "modifiers": {
                                        "optional": [
                                            "any"
                                        ]
                                    }
                                },
                                "to": [
                                    {
                                        "key_code": "escape"
                                    }
                                ],
                                "type": "basic"
                            },
                            {
                                "conditions": [
                                    {
                                        "name": "extend",
                                        "type": "variable_if",
                                        "value": 1
                                    }
                                ],
                                "from": {
                                    "key_code": "escape",
                                    "modifiers": {
                                        "optional": [
                                            "any"
                                        ]
                                    }
                                },
                                "to": [
                                    {
                                        "key_code": "grave_accent_and_tilde"
                                    }
                                ],
                                "type": "basic"
                            }
                        ]
                    }
                ]
            }
        }
    ]
}