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实现 Shift-L 按下时切换输入法

实现Shift_L-按下时切换输入法即Shift_L-代替Ctrl_Space-切换系统输入法

想要实现的功能 按下shift 来切换中英文状态

理想的情况是 mac 只保留一个Squirrel 输入法，用Squirrel 中的功能（shift切换中英文状态）
现实的情况是 mac 不允许删除默认的 英文输入法，且默认某些Application输入法状态是系统默认的英文
所以有时实现切换中英文会变得很繁琐 （系统英文态<---> Squirrel英文态<---->Squirrel中文态)

解决方案 不使用 Squirrel英文态，但是依然想用Shift_L 来切换中英文状态
（系统英文态<---->Squirrel中文态)

这种用法需要将squirrel 配置成禁用ascii_mode的形式

1 把ascii_composer从processors移除， 只是不知道会不会有负作用，待验证

2 将你用的schema的输入法改为只有中文一种状态，如 wubi_pinyin.schema.yaml

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switches:
  - name: ascii_mode
    reset: 0
    states: [ 中文] #只保留中文输入法，避免无意间切到英文输入状态，因为我使用系统的英文输入法，还不是rime的
#   states: [ 中文, 西文 ]
#或者使用下面这种语法来打patch
# switches/@0/states:  [ 中文]

或者以打补丁的方式wubi_pinyin.schema.custom.yaml

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patch:
# switches:
#   - name: ascii_mode
#     reset: 0
#     states: [ 中文, 西文 ]

# wubi_pinyin.schema.yaml. 里有个reset: 奖0 改成1 就变成默认英文输入状态
# 設輸入方案裏 {name: ascii_mode} 在 switches: 列表中爲第一項，即下標 0
# 默认中文状态
  switches/@0/reset: 0
  # 默认英文状态
  # switches/@0/reset: 1

  # 只保留中文输入法，避免无意间切到英文输入状态，因为我使用系统的英文输入法，还不是rime的
  # states: [ 中文, 西文 ]
  switches/@0/states:  [ 中文]

default.custom.yaml中

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patch:
  ascii_composer/switch_key:
    # Shift_L: clear
    # Shift_R: clear
    Shift_L: noop
    Shift_R: noop
  key_binder/bindings:
    - { when: always, accept: Control+Shift+2, toggle: ascii_mode }
    # Ctrl-g
    # - { when: composing, accept: Control+g,  send: Escape}
    - { when: always, accept: Control+g,  send: Escape}
    - { when: always, accept: F17,  send: Escape}

squirrel.custom.yaml

``` patch: us_keyboard_layout: false # 修改默认输入法的状态 # wubi_pinyin.schema.yaml. 里有个reset: 奖0 改成1 就变成默认英文输入状态 # http://bbs.feng.com/forum.php?mod=viewthread&tid=5127693 #设置 某些程序 默认的输入法初始状态 #首先查看程序的 Info.plist 文件,如/Emacs.app/Info.plist 得到 Bundle Identifier，通常是形如 com.apple.Xcode 的字符串。 # windows 上例如，要在 gVim 裏面默認關閉中文輸入，可如此設定： # patch: # app_options/gvim.exe: # 程序名字全用小寫字母 # ascii_mode: true app_options: com.googlecode.iterm2: ascii_mode: false com.apple.dt.Xcode: ascii_mode: false org.gnu.Aquamacs: ascii_mode: false org.gnu.Emacs: ascii_mode: false no_inline: true

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###  需要 配合 https://github.com/tekezo/Karabiner-Elements

~/.config/karabiner/karabiner.json 示例

里面写了4个规则,
英文状态切换left_shift 激活rime
中文状态下left_shift 激活系统英文
英文状态下emacs里 按left_shift ,激活rime ,同时执行shell来切换成insert-state下 “open -g hammerspoon://emacs_evil_insert_state”
中文状态下emacs里按下ctrl-g 则触发ctrl-g按键的时候 激活英文输入法，（我在emacs下ctrl-g会回到evil-normal-state)
{ "global" : { "show_in_menu_bar" : true, "check_for_updates_on_startup" : true, "show_profile_name_in_menu_bar" : false }, "profiles" : [ { "selected" : true, "devices" : [], "simple_modifications" : [], "virtual_hid_keyboard" : { "caps_lock_delay_milliseconds" : 0, "keyboard_type" : "ansi", "country_code" : 0 }, "complex_modifications" : { "parameters" : { "basic.to_delayed_action_delay_milliseconds" : 500, "basic.to_if_held_down_threshold_milliseconds" : 500, "basic.simultaneous_threshold_milliseconds" : 50, "basic.to_if_alone_timeout_milliseconds" : 1000 }, "rules" : [ { "manipulators" : [ { "from" : { "modifiers" : { "optional" : [ "any" ] }, "key_code" : "left_shift" }, "to_if_alone" : [ { "key_code" : "escape" }, { "select_input_source" : { "language" : "en", "input_source_id" : "^com\.apple\.keylayout\.US\(" } } ], "type" : "basic", "conditions" : [ { "type" : "input_source_if", "input_sources" : [ { "language" : "zh-Hans" } ] } ], "to" : [ { "key_code" : "left_shift" } ], "description" : "按 left_shift 切换系统英文和 RIME 输入法" }, { "from" : { "modifiers" : { "optional" : [ "any" ] }, "key_code" : "left_shift" }, "to_if_alone" : [ { "select_input_source" : { "language" : "zh-Hans", "input_source_id" : "^im\\.rime\\.inputmethod\\.Squirrel\\.Rime\)" } } ], "type" : "basic", "conditions" : [ { "type" : "input_source_if", "input_sources" : [ { "language" : "en" } ] }, { "bundle_identifiers" : [ "^org\.gnu\.Emacs\(", "^org\\.gnu\\.AquamacsEmacs\)", "^org\.gnu\.Aquamacs\(" ], "type" : "frontmost_application_unless" } ], "description" : "按 left_shift 切换RIME 输入法", "to" : [ { "key_code" : "left_shift" } ] }, { "from" : { "key_code" : "left_shift", "modifiers" : { "optional" : [ "any" ] } }, "type" : "basic", "to_if_alone" : [ { "select_input_source" : { "input_source_id" : "^im\\.rime\\.inputmethod\\.Squirrel\\.Rime\)", "language" : "zh-Hans" } }, { "key_code" : "f18" } ], "conditions" : [ { "type" : "input_source_if", "input_sources" : [ { "language" : "en" } ] }, { "type" : "frontmost_application_if", "bundle_identifiers" : [ "^org\.gnu\.Emacs\(", "^org\\.gnu\\.AquamacsEmacs\)", "^org\.gnu\.Aquamacs\(" ] } ], "description" : "emacs按 left_shift 切换RIME 输入法", "to" : [ { "key_code" : "left_shift" } ] }, { "type" : "basic", "conditions" : [ { "input_sources" : [ { "language" : "zh-Hans" } ], "type" : "input_source_if" }, { "bundle_identifiers" : [ "^org\\.gnu\\.Emacs\)", "^org\.gnu\.AquamacsEmacs\(", "^org\\.gnu\\.Aquamacs\)" ], "type" : "frontmost_application_if" } ], "to" : [ { "key_code" : "g", "modifiers" : [ "left_control" ] }, { "select_input_source" : { "input_source_id" : "^com\.apple\.keylayout\.US$", "language" : "en" } } ], "description" : "emacs按 ctrl-g 切换english 输入法", "from" : { "key_code" : "g", "modifiers" : { "mandatory" : [ "control" ], "optional" : [ "caps_lock" ] } } } ], "description" : "按 left_shift 切换系统英文和 RIME 输入法" } ] }, "name" : "Default profile" } ] }

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### emacs 配置
(global-set-key (kbd "") 'evil-normal-state) ;mac karabiner用来控制输入法 (define-key isearch-mode-map (kbd "") 'evil-normal-state) ;详见isearch-pre-command-hook (global-set-key (kbd "") 'evil-insert-state) ;mac karabiner用来控制输入法 (define-key isearch-mode-map (kbd "") 'evil-insert-state) ;详见isearch-pre-command-hook ```