special system

mon = peripheral.wrap("top")
mon.clear()
w, h = mon.getSize()
print(w, " ", h)
index = 1
pass = ""
password = {}
selecteditem = 1

mainmenu1 = {}
mainmenu1[1] = {text = "login", handler = login}
mainmenu1[2] = {text = "demo2", handler = demo2}
mainmenu1[3] = {text = "demo3", handler = demo3}

gomb = {}
gomb[1] = {x = w-w+1, y = h-2, x2 = w-w+1, y2 = h-2, color = colors.black, dcolor = colors.black, szoveg = "1"}
gomb[2] = {x = w-w+2, y = h-2, x2 = w-w+2, y2 = h-2, color = colors.black, dcolor = colors.black, szoveg = "2"}
gomb[3] = {x = w-w+3, y = h-2, x2 = w-w+3, y2 = h-2, color = colors.black, dcolor = colors.black, szoveg = "3"}
gomb[4] = {x = w-w+4, y = h-2, x2 = w-w+4, y2 = h-2, color = colors.black, dcolor = colors.black, szoveg = "4"}
gomb[5] = {x = w-w+1, y = h-1, x2 = w-w+1, y2 = h-1, color = colors.black, dcolor = colors.black, szoveg = "5"}
gomb[6] = {x = w-w+2, y = h-1, x2 = w-w+2, y2 = h-1, color = colors.black, dcolor = colors.black, szoveg = "6"}
gomb[7] = {x = w-w+3, y = h-1, x2 = w-w+3, y2 = h-1, color = colors.black, dcolor = colors.black, szoveg = "7"}
gomb[8] = {x = w-w+4, y = h-1, x2 = w-w+4, y2 = h-1, color = colors.black, dcolor = colors.black, szoveg = "8"}
gomb[9] = {x = w-w+1, y = h, x2 = w-w+1, y2 = h, color = colors.black, dcolor = colors.black, szoveg = "9"}
gomb[10] = {x = w-w+3, y = h, x2 = w-w+3, y2 = h, color = colors.black, dcolor = colors.black, szoveg = "0"}
gomb[11] = {x = w-w+2, y = h, x2 = w-w+2, y2 = h, color = colors.black, dcolor = colors.black, szoveg = "*"}
gomb[12] = {x = w-w+4, y = h, x2 = w-w+4, y2 = h, color = colors.black, dcolor = colors.black, szoveg = "#"}
gomb[13] = {x = w-w+6, y = h-1, x2 = w-w+10, y2 = h-1, color = colors.green, dcolor = colors.green, szoveg = "enter"}
gomb[14] = {x = w-w+5, y = h, x2 = w-w+10, y2 = h, color = colors.red, dcolor = colors.red, szoveg = "delete"}
gomb[15] = {x = w-w+12, y = h, x2 = w-w+12, y2 = h, color = colors.gray, dcolor = colors.gray, szoveg = "<"}
gomb[16] = {x = w-w+14, y = h, x2 = w-w+14, y2 = h, color = colors.gray, dcolor = colors.gray, szoveg = "v"}
gomb[17] = {x = w-w+16, y = h, x2 = w-w+16, y2 = h, color = colors.gray, dcolor = colors.gray, szoveg = ">"}
gomb[18] = {x = w-w+14, y = h-1, x2 = w-w+14, y2 = h-1, color = colors.gray, dcolor = colors.gray, szoveg = "^"}

function login()
 local event, button, xpos, ypos = os.pullEvent("monitor_touch")
 mon.setCursorPos(1, 1)
 mon.write("login") sleep(2)
end

function kirajzol()
 mon.clear()
 for g = 1, 2 do
  for h = 1, w do
   mon.setBackgroundColor(colors.lime)
   mon.setCursorPos(h ,g)
   mon.write(" ")
  end
 end
 for i = 1, #gomb do
  for j = 0 + gomb[i].y, gomb[i].y2 do
   for k = 0 + gomb[i].x, gomb[i].x2 do
    mon.setCursorPos(k, j)
    mon.setBackgroundColor(gomb[i].color)
    mon.write(" ")
   end
  end
  mon.setCursorPos(gomb[i].x, gomb[i].y)
  mon.write(gomb[i].szoveg)
 end
  mon.setBackgroundColor(colors.black)
end

function printmenu(menu)
 mon.setBackgroundColor(colors.lime)
 for i = 1, #menu do
  local hossz = string.len(menu[i].text)
  if i == selecteditem then
   mon.setCursorPos(w/2-(hossz/2), 1)
   mon.write("--"..menu[i].text.."--")
  else
   mon.setCursorPos(w/2-(hossz/2), 2)
   if selecteditem < #menu then
    mon.write("  "..menu[selecteditem+1].text.."  ")
   else
    mon.write(" ")
   end
  end
 end
 mon.setBackgroundColor(colors.black)
end

function onitemchange(i, menu)
 if i == 15 then -- bal

 elseif i == 16 then -- le
  if selecteditem < #menu then
   selecteditem = selecteditem + 1
  end
 elseif i == 17 then -- jobb
  menu[selecteditem].handler()
 elseif i == 18 then -- fel
  if selecteditem > 1 then
   selecteditem = selecteditem - 1
  end
 end
end

function click(xpos, ypos, xs, ys, xe, ye)
 if xpos < xs or xpos > xe or ypos < ys or ypos > ye then
  return false
 else
  return true
 end
end

function intake(i)
 if i > 0 and i < 11 then
  table.insert(password, #password+1, gomb[i].szoveg)
  for i = 1, #password do
   mon.setCursorPos(i, 1)
   mon.write(password[i])
  end
  local temporary = password[#password]
  pass = pass..temporary
 elseif i == 10 then
   mon.setCursorPos(1, 1)
   mon.write("reset") sleep(3)
   pass = ""
   password = {}
 elseif i == 12 then
  if pass == "1" then
   mon.setCursorPos(1, 1)
   mon.write("granted")
   password = {}
   pass = ""
   rs.setOutput("bottom", true)
   sleep(1)
   rs.setOutput("bottom", false)
  else
   mon.setCursorPos(1, 1)
   mon.write("denied")
   password = {}
   pass = "" sleep(2)
  end
 elseif i > 14 and i < 19 then
  onitemchange(i, mainmenu1)
 end
end

while true do
kirajzol()
printmenu(mainmenu1)
local event, button, xpos, ypos = os.pullEvent("monitor_touch")
 for i=1, #gomb do
  if click(xpos, ypos, gomb[i].x, gomb[i].y, gomb[i].x2, gomb[i].y2) then
   print(gomb[i].szoveg)
   intake(i)
  end
 end
end