Printer

--[[ Config ]]--
-- Colors --
topBar = colors.blue
middleBar = colors.lightBlue
bottomBar = colors.white
textHeader = colors.white
textBody = colors.black


--[[ Functions ]]--
-- GUI --
function drawGUI()
  x, y = term.getCursorPos()
  term.setCursorPos(1, 1)
  term.setBackgroundColor(topBar)
  local w, h = term.getSize()
  print(string.rep(" ", w))
  print(string.rep(" ", w))
  term.setBackgroundColor(middleBar)
  print(string.rep(" ", w))
  x2, y2 = term.getCursorPos()
  i2 = h - y2
  term.setBackgroundColor(bottomBar)
  for i = 1, i2 do
    print(string.rep(" ", w))
  end
  write(string.rep(" ", w))
  term.setBackgroundColor(colors.black)
  term.setCursorPos(x2, y2 + 1)
end

function drawInfo()
  term.setCursorPos(1, 2)
  term.setBackgroundColor(topBar)
  term.setTextColor(textHeader)
  print("Printer V1.0!")
  w, h = term.getSize()
  term.setBackgroundColor(middleBar)
  print(string.rep("-", w))
  term.setBackgroundColor(bottomBar)
  term.setTextColor(textBody)
  term.setCursorPos(1, 5)
end

--[[ Interface ]]--
-- Draw GUI & Information --
drawGUI()
drawInfo()

-- Receive User Input --
MaxLength = 8
WidthLength = 40
Line = 1
x, y = term.getCursorPos()
Message = { }
while true do
  term.setCursorPos(x, y)
 -- term.setCursorBlink(true)
  for k, v in pairs(Message) do
    print(v)
  end

  event, key = os.pullEvent()
  if event == "char" then
    if #Message > MaxLength then

    else
      if Message[Line] then
        if #Message[Line] > WidthLength then
          Line = Line + 1
          table.insert( Message, "" )
        else
          Message[Line] = Message[Line] .. key
        end
      else
        table.insert(Message, "")
      end
    end
  elseif event == "key" then
    if key == 28 then
      Line = Line + 1
      table.insert(Message, "")
    elseif key == 29 then
      --term.setCursorBlink(false)
      break
    elseif key == 14 then
      if #Message[Line] > 1 then
        local x, y = term.getCursorPos()
        local old = Message[Line]
        Message[Line] = old:sub( 1, string.len( old ) - 1 )
        term.setCursorPos( x-1, y )
        write(" ")
        term.setCursorPos(x, y)
      else
        table.remove(Message[Line], "")
        Line = Line - 1
      end
    end
  end
end
term.clear()
term.setCursorPos(1, 1)
drawGUI()
drawInfo()
write("Enter Message Name: ")
Message = read()
write("\nThis would be your message name: \n" .. Message)