NhUIv0.1a (CraftOS 1.5+ compatible)

--Password startup
os.pullEvent = os.pullEventRaw
local pass = "password" --Desired password

while true do
  term.clear()
  term.setCursorPos(1,1)
  print("Loading secure startup")
  sleep(.2)
  term.clear()
  term.setCursorPos(1,1)
  print("Loading secure startup.")
  sleep(.2)
  term.clear()
  term.setCursorPos(1,1)
  print("Loading secure startup..")
  sleep(.2)
  term.clear()
  term.setCursorPos(1,1)
  print("Loading secure startup...")
  sleep(.2)

  print("No errors detected.")
  sleep(.3)

  print("Starting password protocols")
  sleep(.2)
  term.clear()
  term.setCursorPos(1,1)
  print("Loading secure startup...")
  print("No errors detected.")
  print("Starting password protocols.")
  sleep(.2)
  term.clear()
  term.setCursorPos(1,1)
  print("Loading secure startup...")
  print("No errors detected.")
  print("Starting password protocols..")
  sleep(.2)
  term.clear()
  term.setCursorPos(1,1)
  print("Loading secure startup...")
  print("No errors detected.")
  print("Starting password protocols...")
  sleep(.3)

  term.clear()
  term.setCursorPos(1,1)
  sleep(.4)
  print("Password required.")
  print("Please type in the password.")

  local input = read("*")
  if input == pass then
    term.clear()
    term.setCursorPos(1,1)
    sleep(.1)
    print("Password accepted.")
    sleep(.6)

    print("Loading NhUI v0.1a - 0%")
    sleep(.2)
    term.clear()
    term.setCursorPos(1,1)
    print("Password accepted.")
    print("Loading NhUI v0.1a - 36%")
    sleep(.2)
    term.clear()
    term.setCursorPos(1,1)
    print("Password accepted.")
    print("Loading NhUI v0.1a - 74%")
    sleep(.2)
    term.clear()
    term.setCursorPos(1,1)
    print("Password accepted.")
    print("Loading NhUI v0.1a - 100%")
    sleep(.3)

    print("Loading complete.")
    sleep(.2)

    print("Initializing")
    sleep(.2)
    term.clear()
    term.setCursorPos(1,1)
    print("Password accepted.")
    print("Loading NhUI v0.1a - 100%")
    print("Loading complete.")
    print("Initializing.")
    sleep(.2)
    term.clear()
    term.setCursorPos(1,1)
    print("Password accepted.")
    print("Loading NhUI v0.1a - 100%")
    print("Loading complete.")
    print("Initializing..")
    sleep(.2)
    term.clear()
    term.setCursorPos(1,1)
    print("Password accepted.")
    print("Loading NhUI v0.1a - 100%")
    print("Loading complete.")
    print("Initializing...")
    sleep(.4)

    term.clear()
    term.setCursorPos(1,1)
    sleep(.6)
    break
  else
    print("Access denied.")
    sleep(.6)
    term.clear()
    term.setCursorPos(1,1)
    print("Clearing cache")
    sleep(.2)
    term.clear()
    term.setCursorPos(1,1)
    print("Clearing cache.")
    sleep(.2)
    term.clear()
    term.setCursorPos(1,1)
    print("Clearing cache..")
    sleep(.2)
    term.clear()
    term.setCursorPos(1,1)
    print("Clearing cache...")
    sleep(.3)

    print("Cache cleared.")
    sleep(.2)

    print("Resetting parameters")
    sleep(.3)
    term.clear()
    term.setCursorPos(1,1)
    print("Clearing cache...")
    print("Cache cleared.")
    print("Resetting parameters.")
    sleep(.3)
    term.clear()
    term.setCursorPos(1,1)
    print("Clearing cache...")
    print("Cache cleared.")
    print("Resetting parameters..")
    sleep(.3)
    term.clear()
    term.setCursorPos(1,1)
    print("Clearing cache...")
    print("Cache cleared.")
    print("Resetting parameters...")
    sleep(.4)

    term.clear()
    term.setCursorPos(1,1)
    sleep(.6)
  end
end

--Functions
slc = 0
tBarC = 32768
tBartC = 1
backColor = 32768
term.setBackgroundColor(backColor)
term.clear()

function titleBar()
  term.setCursorPos(1,1)
  term.setBackgroundColor(tBarC)
  term.setTextColor(tBartC)
  term.clearLine()
  term.setCursorPos(2, 1)
  print("//Start//")
end

function drawDesktop()
  term.setBackgroundColor(backColor)
  term.clear()
  term.setCursorPos(47,17)
  term.setTextColor(128)
  print("NhUI")
  term.setCursorPos(2,18)
  term.setTextColor(256)
  print("(Click the menus for more options.)")
  term.setCursorPos(46,18)
  term.setTextColor(128)
  print("v0.1a")
  titleBar()
end

function drawMenu1()
term.setTextColor(1)
term.setBackgroundColor(32768)
term.setCursorPos(2,2)
print(">Shutdown")
term.setCursorPos(2,3)
print(">Restart")
term.setCursorPos(2,4)
print(">CraftOS")
end

--Desktop
drawDesktop()
while true do
  local event, button, x, y = os.pullEventRaw()
    if slc == 0 then
    if event == "mouse_click" then
      if x>=2 and x<=12 and y==1 and button==1 then
        drawMenu1()
        slc = 1
      else
        drawDesktop()
      end
    end
    elseif slc == 1 then
      if x>=1 and x<=12 and button==1 and y==2 then slc = 0
        os.shutdown()
      elseif x>=1 and x<=12 and y==3 and button==1 then slc = 0
        os.reboot()
      elseif x>=1 and x<=12 and y==4 and button==1 then slc = 0
        term.clear()
        term.setCursorPos(1,1)
        term.setTextColor(16)
        print("CraftOS 1.5 (Ctrl+R will reinitialize NhUI.)")
        term.setTextColor(1)
        break
      else
        slc = 0
        drawDesktop()
     end
  end
end