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Awesome Open Source

#+TITLE: README [[https://melpa.org/#/sis][file:https://melpa.org/packages/sis-badge.svg]]

  • About sis (smart input source) enables less manual switch for native or OS input source (input method):
  • A global mode: sis-global-respect-mode to respect buffer/mode by proper input source
    1. Respect start: start Emacs with specified language.
    2. Respect evil: switch to English when leaving evil insert mode.
    3. Respect minibuffer: switch to English when enter minibuffer.
    4. Respect prefix key: switch to English for C-c / C-x / C-h and more.
    5. Respect buffer: recover buffer input source when it regain focus.
  • A buffer local mode: sis-context-mode to switch input source smarted according to context. It also has a global version sis-global-context-mode to enable the mode for all buffers. When to switch input source by following context can be configured easily by a variable, whose default value indicates when entering evil insert mode.
  • A buffer local mode: sis-inline-mode to enable the automatically triggering of a temporary overlay to input English/other language and then back to original input source without switching input sources manually. It also has a global version sis-global-inline-mode to enable the mode for all buffers.
  • A global mode: sis-global-cursor-color-mode to automatically change cursor color according to current input source.
  • Features
  1. Ease the use of OS-native input source, no need to change use experience.
  2. Ease the use of Emacs-native input source, for further compatibility.
  3. Support GUI Emacs, as well as Terminal Emacs.
  4. Easy to install and configure. No further configuration for GUI Emacs Mac Port with Sogou Input.
  5. Automatically change cursor color according to current input source.
  6. Respect buffer/mode by proper input source:
    1. Respect start: start Emacs with specified language.
    2. Respect evil: switch to English when leaving evil insert mode.
    3. Respect minibuffer: switch to English when enter minibuffer.
    4. Respect prefix key: switch to English for C-c / C-x / C-h and more.
    5. Respect buffer: recover buffer input source when it regain focus.
  7. Support inline English and inline other language region. Features of the inline region (inline english as an example):
    1. Inserting space around none-English characters triggers the region (two consecutive spaces for inline other language region).
    2. In this mode, English will be sticked.
    3. Region is closed when: a. Cursor leaves the region b. Return is pressed. c. Two consecutive space are input (can be configured to one space).
    4. If the region ends with space, none-English input source will be selected, otherwise English input source is retained.
    5. After the close of the region, one space (can be configured) in the head and tail respectively (if exists) of the region will be deleted. But if the whole region is blank, the no character will be deleted.
  8. Switch input source according to context:
    1. Pre-configured for entering evil insert mode.
    2. For native emacs user, you can configure by easily set a variable.
  9. Input source switching rules are designed carefully, for pure English editing, input source will never be switched to other languages.
  • Install Just install sis from melpa.

  • Prepare /input source manager (ISM)/ ** Emacs-native input method Here uses rime as an example: #+BEGIN_SRC lisp (sis-ism-lazyman-config nil "rime" 'native) #+END_SRC

** MacOS The default MacOS input sources are shown in the following. #+BEGIN_SRC lisp ;; Not needed if your input sources are the same with the default values (sis-ism-lazyman-config "com.apple.keylayout.US" "com.sogou.inputmethod.sogou.pinyin") #+END_SRC

Note:

  1. Your English input source MAY NOT be the default one. Use command sis-get in Emacs to get the correct one.
  2. According to your use case, EMP or macism should be installed.

*** GUI Emacs Mac Port (EMP) EMP is a Emacs distribution enhanced for MacOS. It has builtin native API to interact with MacOS input sources efficiently. EMP can be installed by the following commands: #+BEGIN_SRC bash brew tap railwaycat/emacsmacport brew install emacs-mac --with-modules --with-rsvg --with-imagemagick --with-natural-title-bar #+END_SRC

*** macism If your Emacs is not GUI EMP, the pre-configured macism should be installed. #+BEGIN_SRC bash brew tap laishulu/macism brew install macism #+END_SRC Note:

  • The first time when you use macism SOME_INPUT_SOURCE_ID in your app, MacOS will popup a window asking you to grant permission of Accessibility, you can also grant the permission manually following the instructions in [[https://github.com/laishulu/macism/][macism]].
  • On a slow computer, macism needs sleep time (in micro seconds) longer than default to work with Accessibility. The default can be overwritten by the following codes. #+BEGIN_SRC lisp (setq sis-do-set (lambda(source) (start-process "set-input-source" nil "macism" source "50000"))) #+END_SRC
  • Don't use Alacritty for TUI Emacs, because it can't handle deleting as well as Option and Command key properly when input method is on. I just recommend kitty until Alacirtty fixed those long existing bugs.
  • If you have problems on granting permission of Accessibility for Emacs, see below: #+BEGIN_QUOTE Some Emacs "distributions" package together a number of Emacs binaries for various macOS versions in a single folder, and dynamically at runtime chooses the right one for your system. This means that the icon you click to start the program is really a "placeholder" that is not Emacs itself, but rather just starts up Emacs. This "placeholder" often takes the form of a Ruby script. If this is the case, you'll need to drag the Ruby program on to the list. Ruby comes with macOS by default. You can find the program by opening Finder, and then from the "Go" menu choose "Go to Folder". Enter "/usr/bin" and you'll get that folder opened in Finder. In the folder, you'll find the ruby program that you can drag on to the Accessibility list. #+END_QUOTE

** Microsoft Windows *** im-select [[https://github.com/daipeihust/im-select][im-select]] can be used as a drop-in replacement of macism in Microsoft Windows. #+BEGIN_SRC lisp (sis-ism-lazyman-config "1033" "2052" 'im-select) #+END_SRC

  1. Even though im-select supports switching different input languages, it does not support multiple input methods in the same lanuage, thus you should ensure that in each input language there is only one input method, just like the following screenshot. #+CAPTION: Smart input source [[./screenshots/windows-im-select.jpg]]
  2. If you are using win key as super key, you may also need [[https://github.com/laishulu/winsuper][winsuper]].

** Linux *** fcitx #+BEGIN_SRC lisp (sis-ism-lazyman-config "1" "2" 'fcitx) #+END_SRC

*** fcitx5 #+BEGIN_SRC lisp (sis-ism-lazyman-config "1" "2" 'fcitx5) #+END_SRC

*** ibus #+BEGIN_SRC lisp (sis-ism-lazyman-config "xkb🇺🇸:eng" "OTHER_INPUT_SOURCE" 'ibus) #+END_SRC

** Internals for configuring ISM The core of the configuring of ISM is the two variables : #+BEGIN_SRC lisp (setq sis-do-get #'YOUR_DO_GET_INPUT_SOURCE_FUNCTION) (setq sis-do-set #'YOUR_DO_SET_INPUT_SOURCE_FUNCTION) #+END_SRC

They are provided for EMP and macism by default.

If you have a ISM YOUR_ISM:

  • Run YOUR_ISM will output the current input source
  • Run YOUR_ISM INPUT_SOURCE_ID will select INPUT_SOURCE_ID.

Then you can simply use YOUR_ISM as a drop in replacement for macism: #+BEGIN_SRC lisp (setq sis-external-ism "YOUR_ISM") #+END_SRC

You can configure ISM by yourself, but a convenient command sis-ism-lazyman-config is also provided for common ISMs.

  • Configure The mode is designed carefully, so it's safe to enable for all buffers even its all in English.

#+BEGIN_SRC lisp (use-package sis ;; :hook ;; enable the /follow context/ and /inline region/ mode for specific buffers ;; (((text-mode prog-mode) . sis-context-mode) ;; ((text-mode prog-mode) . sis-inline-mode))

:config ;; For MacOS (sis-ism-lazyman-config

;; English input source may be: "ABC", "US" or another one. ;; "com.apple.keylayout.ABC" "com.apple.keylayout.US"

;; Other language input source: "rime", "sogou" or another one. ;; "im.rime.inputmethod.Squirrel.Rime" "com.sogou.inputmethod.sogou.pinyin")

;; enable the /cursor color/ mode (sis-global-cursor-color-mode t) ;; enable the /respect/ mode (sis-global-respect-mode t) ;; enable the /context/ mode for all buffers (sis-global-context-mode t) ;; enable the /inline english/ mode for all buffers (sis-global-inline-mode t) ) #+END_SRC

Tips:

  1. For spacemacs, if it works in the hybrid mode, some of the evil related features may not work. Change to vim mode instead.

** Default behavior for /inline english mode/ and /follow context mode/ You can change some of the behaviors by configuring related variables, note: inline other language feature is turned off by default. #+CAPTION: Smart Input Source [[./screenshots/sis.png]]

  • Variables and commands ** About input source | Variable | Description | Default | |----------------------------+----------------------------------------------------+--------------------------------------| | sis-english-source | Input source for English | com.apple.keylayout.US | | sis-other-source | Input source for other language | com.sogou.inputmethod.sogou.pinyin | | sis-external-ism | External input resource manager | macism | | sis-do-get | Function to get the current input source | determined from the environment | | sis-do-set | Function to set the input source | determined from the environment | | sis-change-hook | Hook to run after input source changes | nil | | sis-auto-refresh-seconds | Idle interval to auto refresh input source from OS | 0.2, nil to disable | |----------------------------+----------------------------------------------------+--------------------------------------|

Note:

  • To save energy, actual interval to refresh input source from OS in a long idle period is increased automatically.

| Command Name | Description | |--------------------------+------------------------------------------------------------| | sis-ism-lazyman-config | Configure input source manager | | sis-get | Get the input source | | sis-set-english | Set the input source to English | | sis-set-other | Set the input source to other language | | sis-switch | Switch the input source between English and other language | |--------------------------+------------------------------------------------------------|

** About /cursor color mode/ | Variable | Description | Default | |----------------------------+---------------------------------------------+--------------------------| | sis-default-cursor-color | Default cursor color, also used for English | nil (from envrionment) | | sis-other-cursor-color | Cursor color for other input source | green | |----------------------------+---------------------------------------------+--------------------------|

** About /respect mode/ | Variable | Description | Default | |-------------------------------------------------+--------------------------------------------------------+------------------------| | sis-respect-start | Switch to specific input source when mode enabled | 'english | | sis-respect-evil-normal-escape | esc to English even in evil normal state | t | | sis-respect-prefix-and-buffer | Handle prefix key and buffer | t | | sis-respect-go-english-triggers | Additional trigger to save input source and go English | t | | sis-respect-restore-triggers | Additional trigger to restore input source | nil | | sis-respect-minibuffer-triggers | Commands trigger to set input source in minibuffer | see variable doc | | sis-prefix-override-keys | Prefix keys to be respected | '("C-c" "C-x" "C-h") | | sis-prefix-override-recap-triggers | Functions trigger the recap of the prefix override | see variable doc | | sis-prefix-override-buffer-disable-predicates | Predicates on buffers to disable prefix overriding | see variable doc | |-------------------------------------------------+--------------------------------------------------------+------------------------|

** About language pattern | Variable | Description | Default | |-----------------------+--------------------------------------------+--------------------------| | sis-english-pattern | Pattern to identify a character as English | [a-zA-Z] | | sis-other-pattern | Pattern to identify a character as other | \cc , see [[https://www.gnu.org/software/emacs/manual/html_node/emacs/Regexp-Backslash.html][emacs manual]] | | sis-blank-pattern | Pattern to identify a character as blank | [:blank:] | |-----------------------+--------------------------------------------+--------------------------|

** About /follow context mode/ | Variable | Description | Default | |-------------------------------+------------------------------------------------+------------------| | sis-context-detectors | Detectors to detect the context | see variable doc | | sis-context-fixed | Context is fixed to a specific language | nil | | sis-context-aggressive-line | Aggressively detect context across blank lines | t | | sis-context-hooks | Hooks trigger the context following | see variable doc | | sis-context-triggers | Commands trigger the context following | see variable doc | |-------------------------------+------------------------------------------------+------------------|

** About /inline mode/

| Face Name | Description | Default | |---------------------------------------+------------------------------------------------------------+---------| | sis-inline-face | Face for the inline region overlay | | | sis-inline-not-max-point | Insert new line when the whole buffer ends with the region | t | | sis-inline-tighten-head-rule | Rule to delete the head spaces | 1 | | sis-inline-tighten-tail-rule | Rule to delete the tail spaces | 1 | | sis-inline-single-space-close | 1 space to close the region, default is 2 spaces/return | nil | | sis-inline-with-english | enable the inline english region feature | t | | sis-inline-with-other | enable the inline other language region feature | nil | | sis-inline-english-activated-hook | Hook to run after inline english region activated | nil | | sis-inline-english-deactivated-hook | Hook to run after inline english region deactivated | nil | | sis-inline-other-activated-hook | Hook to run after inline other language region activated | nil | | sis-inline-other-deactivated-hook | Hook to run after inline other language region deactivated | nil | |---------------------------------------+------------------------------------------------------------+---------|

  • How to ** How to get the input source id After /input source manager/ is configured, you can get your /current input source id/ by the command sis-get.

** How to inform the package of the input source change

  1. If your input source is switched from sis, then everything should be OK naturally. And your sis-auto-refresh-seconds can even be set to nil.
  2. If your input source is switched from OS, to detect the switch timely, sis-auto-refresh-seconds should not be too large.
  3. To save energy, if the input source is switched from OS during a long idle period of Emacs, the package won't be aware in time. Then you can manually inform the package by doing anything in Emacs to exit the long idle period, or invoke the command sis-get directly.

** How to auto set /other/ input source for /org capture/ buffer #+begin_src elisp (add-hook 'org-capture-mode-hook #'sis-set-other) #+end_src

** How to customize my own context detector Customize sis-context-detectors like the following codes: #+begin_src elisp (add-to-list 'sis-context-detectors (lambda (&rest _) 'other)) #+end_src


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