zsh-apple-touchbar

Make your touchbar more powerful.

Requirements

• iTerm2 3.1 or later
• zsh
• ruby 2.3.4 or later (only if you want automatic generation)

In iterm2: Go to View -> Customize Tool Bar... and drag & drop the Fn module

Customization

Automatic

You can define simple commands for FN keys in config.yml file.

Structure

File should have two base keys:

1. default_view - default view to show.
2. views - list of defined views.

views section contains views you want to show. Key is a view name.

Under view name key you should define next keys:

1. text - text that will show on touchbar key.
2. command or view - command means executing some command that under is this key and view means show view that is under this key
3. back - under this key should be a view name that will be shown after executing some command.

Example

default_view: first
views:
  first:
    1:
      text: 👉 pwd
      command: pwd |tr -d "\\n" |pbcopy
    2:
      text: second view
      view: second
    3:
      text: third view
      view: third
  second:
    1:
      text: 👈 back
      view: first
    2:
      text: current path
      command: pwd
    back: first
  third:
    1:
      text: 👈 back
      view: first
    2:
      text: ls
      command: ls -la

For generating view from config.yml file go to its folder:

cd $ZSH_CUSTOM/plugins/zsh-apple-touchbar

and run generate.rb file:

ruby generate.rb

Custom

If you need more complicated logic you can rewrite zsh-apple-touchbar.zsh file on your own.

View functions

For each view you need to define separate function that will contain keys creation. E.G.

function first_view() {
  remove_and_unbind_keys

  set_state 'first'

  create_key 1 '👉 pwd' 'pwd |tr -d "\\n" |pbcopy' '-s'
  create_key 2 'second view' 'second_view'
}

function second_view() {
  remove_and_unbind_keys

  set_state 'second'

  create_key 1 '👈 back' 'first_view'
  create_key 2 'current path' 'pwd' '-s'

  set_state 'first'
}

In every function first, you need to remove and unbind old keys with remove_and_unbind_keys function.

Then you need to set a state (state variable define which view to show after reinitialization) with set_state function.

After that, you can create keys for this view with create_key function.

And after keys part you can set new state (if you want to show some view after executing key command).

Keys creation

Keys creates with create_key function

This function accept 4 arguments:

1. number of key (from 1 to 12)
2. key text
3. command or view
4. bind option (-s if third argument isn't a view, nothing if it is)

Init widgets

For calling views in main function you need to init widgets for every view function.

zle -N first
zle -N second

Main function

Here you need to define which view to show for every state.

precmd_apple_touchbar() {
  case $state in
    first) first_view ;;
    second) second_view ;;
  esac
}

Full example

source ${0:A:h}/functions.zsh

set_state 'first'

function first_view() {
  remove_and_unbind_keys

  set_state 'first'

  create_key 1 '👉 pwd' 'pwd |tr -d "\\n" |pbcopy' '-s'
  create_key 2 'second view' 'second_view'
}

function second_view() {
  remove_and_unbind_keys

  set_state 'second'

  create_key 1 '👈 back' 'first_view'
  create_key 2 'current path' 'pwd' '-s'

  set_state 'first'
}

zle -N first_view
zle -N second_view

precmd_apple_touchbar() {
  case $state in
    first) first_view ;;
    second) second_view ;;
  esac
}

autoload -Uz add-zsh-hook

add-zsh-hook precmd precmd_apple_touchbar