jenisis

os.loadAPI("userinfo")

function drawScreen(tableScreen)
  user = userinfo.getUser()

  running = true
  rkeyp = true
  cselected = 1
  num = 1

  while running == true do
    term.clear()
    term.setCursorPos(1, 1)

    screenX, screenY = term.getSize()

    rkeyp = true
    isPrint = true
    num = 1

    print("JenisOS V0.1")
    print("Logged in as "..user)
    print(" ")

    while isPrint == true do
      line = tableScreen[num]
      if line ~= nil and num ~= cselected then
        print(line)
        num = num + 1
      elseif line ~= nil and num == cselected then
        print("["..line.."]")
        num = num + 1
      else
        isPrint = false
      end
    end

    while rkeyp == true do
      event, param = os.pullEvent("key")
      if param == 200 then
        cselected = cselected - 1
        if cselected <= 0 then
          cselected = num - 1
        end
        rkeyp = false
      elseif param == 208 then
        cselected = cselected + 1
        if cselected >= num then
          cselected = 1
        end
        rkeyp = false
      elseif param == 28 then
        return cselected
      elseif param == 15 then
        return 999
      end
    end
  end
end