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#267730 Moving the cursor while read() 'ing. (Login GUI)

Posted by VaccinesForAids on 21 June 2017 - 04:38 AM in Ask a Pro

Essentially, I'm trying to incorporate the ability to move the user's cursor back and forth between "User:" and "Pass:" areas of my login page. However i have absolutely no idea or the drive to want to try over and over to accomplish it.

So, here is the code.

os.pullEvent = os.pullEventRaw
os.loadAPI("/.LOGIN/.API/modem")
local modem = modem.modSide()
if modem ~= nil then
  modem = modem
else
  print("No Connection")
  sleep(10)
  os.reboot()
end

function login()
  term.clear()
  term.setTextColor(colors.green)
  print("Encrypted										  ")
  term.setTextColor(colors.red)
  print("												   ")
  print("												   ")
  print("												   ")
  print("												   ")
  print("												   ")
  print("												   ")
  print("												   ")
  print("					User:						  ")
  print("					Pass:						  ")
  print("												   ")
  print("												   ")
  print("												   ")
  print("												   ")
  print("												   ")
  print("												   ")
  print("												   ")
  print("										 Login v2.0")
  User()
end

local function readFile(file)
  local f = fs.open(file, "r")
  local text = f.readAll()
  f.close()
  return text
end

local function listen()
  rednet.open(modem)
  id, message, distance = rednet.receive()
  if message == "true" then
	return true
  elseif message == "false" then
	return false
  else
	return err01
  end
end

local function checkCreds(u, p, id, Sid)
  Sid = tonumber(Sid)
  shell.run("/.LOGIN/.Auth " ..u.. " " ..p.. " " ..id.. " " ..Sid)
  if listen() == true then
	term.clear()
	term.setCursorPos(1,1)
	term.setTextColor(colors.white)
	print("Welcome " ..u)
  else
	User("f")
  end
end

function User(x)
  if x ~= nil then
	term.setCursorPos(1,27)
	term.clearLine()
	term.setCursorPos(30,1)
	term.setTextColor(colors.yellow)
	write("Incorrect Credentials")
	term.setCursorPos(1,9)
	term.clearLine()
	term.setTextColor(colors.red)
	print("					User:						  ")
	term.setCursorPos(1,10)
	term.clearLine()
	print("					Pass:						  ")
	term.setTextColor(colors.green)
	term.setCursorPos(26,9)
	write(" ")
	u = read()
	term.setCursorPos(26,10)
	term.setTextColor(colors.green)
	write(" ")
	p = read("*")
	term.setTextColor(colors.red)
	Sid = tonumber(readFile("/.LOGIN/.id"))
	id = os.getComputerID()
	checkCreds(u, p, id, Sid)
	term.setCursorPos(1,9)
	term.clearLine()
	term.setCursorPos(1,10)
	term.clearLine()
	term.setCursorPos(1,2)
  else
	term.setCursorPos(1,9)
	term.clearLine()
	term.setTextColor(colors.red)
	print("					User:						  ")
	term.setCursorPos(26,9)
	term.setTextColor(colors.green)
	write(" ")
	-- I thought making a new "read()" function would be the best way to go where it decides if the user has pressed a key or input actual text..
	u = read()
	term.setCursorPos(1,10)
	term.clearLine()
	term.setTextColor(colors.red)
	print("					Pass:						  ")
	term.setCursorPos(26,10)
	term.setTextColor(colors.green)
	write(" ")
	-- Same here
	p = read("*")
	Sid = tonumber(readFile("/.LOGIN/.id"))
	id = os.getComputerID()
	checkCreds(u, p, id, Sid)
	term.setCursorPos(1,9)
	term.clearLine()
	term.setCursorPos(1,10)
	term.clearLine()
	term.setCursorPos(1,2)
  end
end

login()