Karabiner-Elements config: switch input source | 输入法切换

karabiner_switch_input_source.json

{
  "title": "Switch input source  |  输入法切换",
  "rules": [
    {
      "description": "Tap Command_L (⌘) → Switch input source to English  |  短按左 Command (⌘) → 切换到英文输入法",
      "manipulators": [
        {
          "conditions": [
            {
              "input_sources": [
                {
                  "language": "en"
                }
              ],
              "type": "input_source_unless"
            }
          ],
          "from": {
            "key_code": "left_command",
            "modifiers": {
              "optional": [
                "caps_lock"
              ]
            }
          },
          "to": [
            {
              "key_code": "left_command",
              "lazy": true
            }
          ],
          "to_if_alone": [
            {
              "key_code": "f18"
            }
          ],
          "to_if_held_down": [
            {
              "key_code": "left_command"
            }
          ],
          "type": "basic"
        },
        {
          "conditions": [
            {
              "input_sources": [
                {
                  "language": "en"
                }
              ],
              "type": "input_source_if"
            }
          ],
          "from": {
            "key_code": "left_command",
            "modifiers": {
              "optional": [
                "caps_lock"
              ]
            }
          },
          "to": [
            {
              "key_code": "left_command",
              "lazy": true
            }
          ],
          "to_if_alone": [
            {
              "key_code": "vk_none"
            }
          ],
          "to_if_held_down": [
            {
              "key_code": "left_command"
            }
          ],
          "type": "basic"
        }
      ]
    },
    {
      "description": "Tap Command_R (⌘) → Switch input source to Chinese  |  短按右 Command (⌘) → 切换到中文输入法",
      "manipulators": [
        {
          "conditions": [
            {
              "input_sources": [
                {
                  "language": "zh-Hans"
                }
              ],
              "type": "input_source_unless"
            }
          ],
          "from": {
            "key_code": "right_command",
            "modifiers": {
              "optional": [
                "caps_lock"
              ]
            }
          },
          "to": [
            {
              "key_code": "right_command",
              "lazy": true
            }
          ],
          "to_if_alone": [
            {
              "key_code": "f18"
            }
          ],
          "to_if_held_down": [
            {
              "key_code": "right_command"
            }
          ],
          "type": "basic"
        },
        {
          "conditions": [
            {
              "input_sources": [
                {
                  "language": "zh-Hans"
                }
              ],
              "type": "input_source_if"
            }
          ],
          "from": {
            "key_code": "right_command",
            "modifiers": {
              "optional": [
                "caps_lock"
              ]
            }
          },
          "to": [
            {
              "key_code": "right_command",
              "lazy": true
            }
          ],
          "to_if_alone": [
            {
              "key_code": "vk_none"
            }
          ],
          "to_if_held_down": [
            {
              "key_code": "right_command"
            }
          ],
          "type": "basic"
        }
      ]
    },
    {
      "description": "Tap Shift_L (⇧) → Switch input source (F18)  |  短按左 Shift (⇧) → 切换输入法",
      "manipulators": [
        {
          "from": {
            "key_code": "left_shift",
            "modifiers": {
              "optional": [
                "caps_lock"
              ]
            }
          },
          "to": [
            {
              "key_code": "left_shift"
            }
          ],
          "to_if_alone": [
            {
              "key_code": "f18"
            }
          ],
          "to_if_held_down": [
            {
              "key_code": "left_shift"
            }
          ],
          "type": "basic"
        }
      ]
    },
    {
      "description": "Tap Shift_R (⇧) → Switch input source (F18)  |  短按右 Shift (⇧) → 切换输入法",
      "manipulators": [
        {
          "from": {
            "key_code": "right_shift",
            "modifiers": {
              "optional": [
                "caps_lock"
              ]
            }
          },
          "to": [
            {
              "key_code": "right_shift"
            }
          ],
          "to_if_alone": [
            {
              "key_code": "f18"
            }
          ],
          "to_if_held_down": [
            {
              "key_code": "right_shift"
            }
          ],
          "type": "basic"
        }
      ]
    },
    {
      "description": "Command_L (⌘) + Space → Switch input source (F18)  |  左 Command (⌘) + 空格 → 切换输入法",
      "manipulators": [
        {
          "from": {
            "key_code": "spacebar",
            "modifiers": {
              "mandatory": [
                "left_command"
              ],
              "optional": [
                "caps_lock"
              ]
            }
          },
          "to": [
            {
              "key_code": "f18"
            }
          ],
          "type": "basic"
        }
      ]
    },
    {
      "description": "Command_R (⌘) + Space → Switch input source (F18)  |  右 Command (⌘) + 空格 → 切换输入法",
      "manipulators": [
        {
          "from": {
            "key_code": "spacebar",
            "modifiers": {
              "mandatory": [
                "right_command"
              ],
              "optional": [
                "caps_lock"
              ]
            }
          },
          "to": [
            {
              "key_code": "f18"
            }
          ],
          "type": "basic"
        }
      ]
    }
  ]
}

左cmd+空格键和 右cmd+空格键可以修改为其他app的快捷键吗？
需要怎么修改呢？

@BitionSong 可以的，以左 Command (⌘) 为例，主要就是修改 32-36 行 为你想要的快捷键，然后去除 8-17 行的条件规则。

具体请自行参考 Karabiner-Elements 的文档和规则样例：
https://pqrs.org/osx/karabiner/document.html
https://ke-complex-modifications.pqrs.org

新版kb有点不兼容左control大写，希望测试一下

新版kb有点不兼容左control大写，希望测试一下

@llity
可以调整一下规则的顺序，先把ctrl映射到caps, 再把caps映射到escape和control