hammerspoon config

init.lua

SHOULD_HIDE_ON_DEACTIVATE = true
function applicationWatcher(appName, eventType, appObject)
    if (eventType == hs.application.watcher.deactivated) then
        if (appName == "Terminal") then
          if (SHOULD_HIDE_ON_DEACTIVATE == true) then
            appObject:selectMenuItem({"Terminal", "Hide Terminal"})
          end
        end
    end
end

appWatcher = hs.application.watcher.new(applicationWatcher)
appWatcher:start()

hs.hotkey.bind({"alt", "ctrl"}, "`", function()
  appWatcher:stop()
  SHOULD_HIDE_ON_DEACTIVATE = false
end)

hs.hotkey.bind({"cmd", "alt"}, "`", function()
  appWatcher:start()
  SHOULD_HIDE_ON_DEACTIVATE = true
end)


lastApp = hs.application()
hs.hotkey.bind({"alt"}, "`", function()
  local front = hs.application.frontmostApplication()
  if (front:name() == "Terminal") then
    if (SHOULD_HIDE_ON_DEACTIVATE == true) then
      front:hide()
    else
      hs.application.launchOrFocus(lastApp:name())
    end
  else
    lastApp = front
    hs.application.launchOrFocus("Terminal")
  end
end)