Karabiner 通过 left shift 来切换中英文

karabiner.json

{
    "description": "Switch between zh-Hans <-> en (left_shift)",
    "manipulators": [
        {
            "conditions": [
                {
                    "input_sources": [
                        {
                            "language": "en"
                        }
                    ],
                    "type": "input_source_if"
                }
            ],
            "from": {
                "key_code": "left_shift",
                "modifiers": {
                    "optional": [
                        "any"
                    ]
                }
            },
            "to": [
                {
                    "key_code": "left_shift"
                }
            ],
            "to_if_alone": [
                {
                    "select_input_source": {
                        "language": "zh-Hans"
                    }
                }
            ],
            "type": "basic"
        },
        {
            "conditions": [
                {
                    "input_sources": [
                        {
                            "language": "zh-Hans"
                        }
                    ],
                    "type": "input_source_if"
                }
            ],
            "from": {
                "key_code": "left_shift",
                "modifiers": {
                    "optional": [
                        "any"
                    ]
                }
            },
            "to": [
                {
                    "key_code": "left_shift"
                }
            ],
            "to_if_alone": [
                {
                    "select_input_source": {
                        "language": "en"
                    }
                }
            ],
            "type": "basic"
        }
    ]
}

有bug 啊 能解决下不 ，偶然失效 ， 是因为shift 大小写的原因

多谢！不过我这里只能切换输入法图标，但无法真正激活双拼。看官方说明 https://karabiner-elements.pqrs.org/docs/json/complex-modifications-manipulator-definition/to/select-input-source/ select_input_source对于中文输入法可能有问题，改成直接发送切换输入法的快捷键就可以了。