Config for hammer spoon

config.hs

local spaces = require "hs._asm.undocumented.spaces"
local grid = require "hs.grid"

hs.loadSpoon("SpoonInstall")
Install=spoon.SpoonInstall

Install:andUse("ReloadConfiguration",
               { fn=function(spoon)
                    spoon:start()
end})

local hyper = {"cmd", "shift", "alt", "ctrl"}

grid.GRIDHEIGHT = 3
grid.GRIDWIDTH = 6

grid.MARGINX = 0
grid.MARGINY = 0

gridKeys = {
   { 1,   2,   3,   4,   5,   6,   7 },
   {"q", "w", "e", "r", "t", "y", "u"},
   {"a", "s", "d", "f", "g", "h", "j"},
   {"z", "x", "c", "v", "b", "n", "m"}
}

hs.hotkey.bind(hyper, "g", grid.show)


--- What to do on some WIFI

local watcher = hs.wifi.watcher.new(function(watcher, message, iface, rssi, rate)
      if message ~= "SSIDChange" then
         return
      end
      local ssid = hs.wifi.currentNetwork(iface)
      if ssid ~= "LaMaisonDesGeeks" then
         for _, audiodevice in pairs(hs.audiodevice.allOutputDevices()) do
            audiodevice:setVolume(0)
         end
      end
end)

watcher:start()

-- get ids of spaces in same layout as mission control has them (hopefully)
local getSpacesIdsTable = function()
   local spacesLayout = spaces.layout()
   local spacesIds = {}

   hs.fnutils.each(hs.screen.allScreens(), function(screen)
                      local spaceUUID = screen:spacesUUID()

                      local userSpaces = hs.fnutils.filter(spacesLayout[spaceUUID], function(spaceId)
                                                              return spaces.spaceType(spaceId) == spaces.types.user
                      end)

                      hs.fnutils.concat(spacesIds, userSpaces or {})
   end)

   return spacesIds
end


local throwToSpace = function(win, spaceIdx)
   local spacesIds = getSpacesIdsTable()
   local spaceId = spacesIds[spaceIdx]

   spaces.moveWindowToSpace(win:id(), spaceId)
end

status = hs.menubar.new()

function setModeDisplay(state)
   status:setTitle(state)
end



--- Move an app to a specific space. We are using undocumented API for that.
function moveAppToSpace(appName, space)
   local app = hs.application.find(appName)
   if app then
      for _, window in pairs(app:allWindows()) do
         throwToSpace(window, space)
      end
   end
end


local function coderMode()
   local laptopScreen = "Color LCD"
   local windowLayout = {
      {"iTerm2", nil, laptopScreen, hs.layout.left50, nil, nil},
      {"Emacs", nil, laptopScreen, hs.layout.right50, nil, nil},
   }

   hs.layout.apply(windowLayout)

   moveAppToSpace("Firefox", 1)
   moveAppToSpace("Whatsapp", 2)
   setModeDisplay("coder")
end



--- music

local function playPauseMpsYoutube()
   --- we encode the payload properly
   local command = hs.json.encode({command={"keypress", "space"}})
   local exec = 'echo \'' .. command
   exec = exec .. '\''

   --- we retrieve which sock mpv has opened
   local socket = hs.execute("ps a | grep mpv | grep -v grep | head -1 | sed 's/.*input-ipc-server=\\(.*\\).*/\\1/' | tr -d '\n'")
   exec = exec .. " | /usr/local/bin/socat - "
   exec = exec .. socket

   --- we execute the command and pray
   local output, status, type, rc = os.execute(exec)
   hs.alert("Youtube play/pause")
end

local function revealMpsYoutube()
   local currentTmuxWindow = hs.execute("/usr/local/bin/tmux display-message -p -t home '#I'")
   hs.applescript([[tell application "iTerm"
    create window with profile "Transparent"
    tell current session of current window
        write text "export DISABLE_AUTO_TITLE=true"
        write text "echo -ne '\\e]2;mpsyt\\a'"
        write text "tmux select-window -t home:1"
        write text "tmux new-session -A -s home"
    end tell
end tell]])

   os.execute("sleep 1")

   local win = hs.window.focusedWindow()
   local f = win:frame()
   local screen = win:screen()
   local max = screen:frame()

   f.h = max.h
   f.w = max.w / 3
   f.y = 0
   f.x = (max.w / 2) - (f.w / 2)

   win:setFrame(f)

   local wf=hs.window.filter
   local wf_mpsyt = wf.new(false):setAppFilter('iTerm2',{allowTitles='mpsyt'})

   wf_mpsyt:subscribe(wf.windowDestroyed, function()
                         local out = hs.execute("/usr/local/bin/tmux select-window -t home:" .. currentTmuxWindow)
   end)


end

hs.hotkey.bind(hyper, "m", playPauseMpsYoutube)
hs.hotkey.bind(hyper, "y", revealMpsYoutube)

--- Translation
local wm=hs.webview.windowMasks
Install:andUse("PopupTranslateSelection",
               {
                  disable = false,
                  config = {
                     popup_style = wm.utility|wm.HUD|wm.titled|wm.closable|wm.resizable,
                  },
                  hotkeys = {
                     translate_to_da = { hyper, "d" },
                     translate_to_en = { hyper, "e" }
                  }
               }
)


--- Mode
hs.hotkey.bind(hyper, "c", coderMode)

-- Application launcher
hs.hotkey.bind(hyper, "f", function()
                  hs.application.launchOrFocus("Firefox")
end )

-- Application hints
hs.hints.style = "vimperator"
hs.hints.showTitleThresh = 0
hs.hotkey.bind(hyper, "h", function()
                  hs.hints.windowHints()
end)

-- Away from computer
hs.hotkey.bind(hyper, "l", hs.caffeinate.lockScreen)