init.lua

--- functions
function chrome_switch_to(menuItem)
    return function()
        hs.application.launchOrFocus("Google Chrome")
        local chrome = hs.appfinder.appFromName("Google Chrome")
        chrome:selectMenuItem(menuItem, true)
    end
  end
  
  function chrome_active_tab_with_name(re)
      return function()
          hs.osascript.javascript([[
              var chrome = Application('Google Chrome');
              chrome.activate();
              var wins = chrome.windows;
              var re = new RegExp(']] .. re .. [[');
              function main() {
                  for (var i = 0; i < wins.length; i++) {
                      var win = wins.at(i);
                      var tabs = win.tabs;
                      for (var j = 0; j < tabs.length; j++) {
                      var tab = tabs.at(j);
                      tab.title(); j;
                      if (tab.title().match(re)) {
                              win.activeTabIndex = j + 1;
                              return;
                          }
                      }
                  }
              }
              main();
          ]])
      end
  end
  
  function open(name)
    return function()
        hs.application.launchOrFocus(name)
        if name == 'Finder' then
            hs.appfinder.appFromName(name):activate()
        end
    end
  end

  function openChromeApp(name)
    return function()
        -- Be sure to get the real name of the app (Use ls -a to check).
        hs.application.launchOrFocus(os.getenv('HOME') .. '/Applications/Chrome Apps.localized/' .. name .. '.app')
    end
  end
  
  function sleep()
    hs.caffeinate.systemSleep()
  end
  
  function move(dir)
    return function()
        local win = hs.window.focusedWindow()
        local frame = win:frame()
        local screenFrame = win:screen():frame()
        frame = win:screen():absoluteToLocal(frame)
        screenFrame = win:screen():absoluteToLocal(screenFrame)
        local x = frame.x
        local y = frame.y
        local w = frame.w
        local h = frame.h
  
        if dir == 'right' then
            if x < 0 then -- negative left
                frame.x = 0
            elseif x == 0 then -- attach to left
                if w < screenFrame.w * 1 / 4 then -- win width less than 25%
                    frame.w = screenFrame.w * 1 / 4
                elseif w < math.floor(screenFrame.w * 1 / 3) then -- win with less than 33%
                    frame.w = math.floor(screenFrame.w * 1 / 3)
                elseif w < screenFrame.w * 1 / 2 then -- win width less than 50%
                    frame.w = screenFrame.w * 1 / 2
                elseif w < screenFrame.w * 3 / 4 then -- win with less than 75%
                    frame.w = screenFrame.w * 3 / 4
                else
                    frame.x = screenFrame.w * 1 / 4
                    frame.w = screenFrame.w * 3 / 4
                end
            elseif x < screenFrame.w / 2 then -- win on the left side
                frame.x = screenFrame.w / 2
                frame.w = screenFrame.w / 2
            elseif x >= screenFrame.w / 2 and x < math.floor(screenFrame.w * 2 / 3) then -- win left edge in 50% - 66%
                frame.x = math.floor(screenFrame.w * 2 / 3)
                frame.w = math.floor(screenFrame.w * 1 / 3)
            elseif x >= math.floor(screenFrame.w * 2 / 3) and x < screenFrame.w * 3 / 4 then -- win left edge in 66% - 75%
                frame.x = screenFrame.w * 3 / 4
                frame.w = screenFrame.w * 1 / 4
            end
        elseif dir == 'left' then
            if x + w > screenFrame.w  then -- negative right
                frame.x = screenFrame.w - w
            elseif x + w == screenFrame.w then -- attach to right
                if w < screenFrame.w * 1 / 4 then -- win width less than 25%
                    frame.w = screenFrame.w * 1 / 4
                    frame.x = screenFrame.w - frame.w
                elseif w < math.floor(screenFrame.w * 1 / 3) then -- win with less than 33%
                    frame.w = math.floor(screenFrame.w * 1 / 3)
                    frame.x = screenFrame.w - frame.w
                elseif w < screenFrame.w * 1 / 2 then -- win width less than 50%
                    frame.w = screenFrame.w * 1 / 2
                    frame.x = screenFrame.w - frame.w
                elseif w < screenFrame.w * 3 / 4 then -- win with less than 75%
                    frame.w = screenFrame.w * 3 / 4
                    frame.x = screenFrame.w - frame.w
                else
                    frame.x = 0
                    frame.w = screenFrame.w * 3 / 4
                end
            elseif x > screenFrame.w / 2 then -- win on the right side
                frame.x = 0
                frame.w = screenFrame.w / 2
            elseif x > 0 then -- win on left side
                frame.x = 0
            elseif w > screenFrame.w / 2 then -- win larger than 50%
                frame.w = screenFrame.w * 1 / 2
            elseif w > math.floor(screenFrame.w * 1 / 3) then -- win larger than 33%
                frame.w = math.floor(screenFrame.w * 1 / 3)
            elseif w > screenFrame.w * 1 / 4 then -- win larger than 25%
                frame.w = screenFrame.w * 1 / 4
            end
        elseif dir == 'up' then
            if y == screenFrame.y then -- attach to top
                if h >= screenFrame.h / 2 then
                    frame.h = screenFrame.h / 2
                end
            elseif y + h == screenFrame.h + screenFrame.y then -- attach to bottom
                frame.y = 0
                frame.h = screenFrame.h
            else
                frame.y = 0
            end
        elseif dir == 'down' then
            if y + h == screenFrame.h + screenFrame.y then -- attach to bottom
                if h >= screenFrame.h / 2 then
                    frame.h = screenFrame.h / 2
                    frame.y = screenFrame.h - frame.h + screenFrame.y
                end
            elseif y == screenFrame.y then -- attach to top
                frame.y = 0
                frame.h = screenFrame.h
            elseif y + h > screenFrame.h then -- overflow bottom do nothing
            else
                frame.y = screenFrame.h - h + 22
            end
        end
  
        frame = win:screen():localToAbsolute(frame)
        win:setFrame(frame)
    end
  end
  
  function send_window_prev_monitor()
  local win = hs.window.focusedWindow()
  local nextScreen = win:screen():previous()
  win:moveToScreen(nextScreen)
  end
  
  function send_window_next_monitor()
  local win = hs.window.focusedWindow()
  local nextScreen = win:screen():next()
  win:moveToScreen(nextScreen)
  end
  
  --- open different Chrome users
  hs.hotkey.bind({"alt"}, "1", chrome_switch_to({"People", "Hao (Google)"}))
  hs.hotkey.bind({"alt"}, "2", chrome_switch_to({"People", "vlogbyhao"}))
  hs.hotkey.bind({"alt"}, "`", chrome_switch_to({"File", "New Incognito Window"}))
  
  --- quick open applications
  hs.hotkey.bind({"alt"}, "E", open("Finder"))
  hs.hotkey.bind({"alt"}, "W", open("WeChat"))
  hs.hotkey.bind({"alt"}, "C", open("Google Chrome"))
  hs.hotkey.bind({"alt"}, "T", open("iTerm"))
  hs.hotkey.bind({"alt"}, "X", open("Xcode"))
  hs.hotkey.bind({"alt"}, "S", open("Sublime Text"))
  hs.hotkey.bind({"alt"}, "V", open("Visual Studio Code"))
  hs.hotkey.bind({"alt"}, "I", open("IntelliJ IDEA CE"))
  hs.hotkey.bind({"alt"}, "N", open("NeteaseMusic")) -- netease
  hs.hotkey.bind({"alt"}, "M", open("Spark")) -- mail
  hs.hotkey.bind({"alt"}, "H", open("Things3"))
  hs.hotkey.bind({"alt"}, "D", openChromeApp("Cider"))
  --- sleep
  hs.hotkey.bind({"shift", "alt", "command"}, "DELETE", sleep)
  
  --- window
  hs.window.animationDuration = 0
  hs.hotkey.bind({"alt", "cmd"}, "Right", move('right'))
  hs.hotkey.bind({"alt", "cmd"}, "Left", move('left'))
  hs.hotkey.bind({"alt", "cmd"}, "Up", move('up'))
  hs.hotkey.bind({"alt", "cmd"}, "Down", move('down'))
  hs.hotkey.bind({"shift", "alt", "cmd"}, "Left", send_window_prev_monitor)
  hs.hotkey.bind({"shift", "alt", "cmd"}, "Right", send_window_next_monitor)
  
  --- when connected to work Wifi, mute the computer
  local workWifi = 'Google-A'
  local outputDeviceName = 'Built-in Output'
  hs.wifi.watcher.new(function()
    local currentWifi = hs.wifi.currentNetwork()
    local currentOutput = hs.audiodevice.current(false)
    if not currentWifi then return end
    if (currentWifi == workWifi and currentOutput.name == outputDeviceName) then
        hs.audiodevice.findDeviceByName(outputDeviceName):setOutputMuted(true)
    end
  end):start()
  
  --- key macros
  function keyStrokes(str)
    return function()
        hs.eventtap.keyStrokes(str)
    end
  end
  hs.hotkey.bind({"alt", "cmd"}, "L", keyStrokes("console.log("))