desktop

-------------------------
--       Functions     --
-------------------------
function centerText(text)
  x,y = term.getSize()
  x2,y2 = term.getCursorPos()
  term.setCursorPos(math.ceil((x/2) - (text:len() / 2)), y2)
  write(text)
end

function w()
  term.clear()
  term.setCursorPos(1,6)
  centerText("Light")
  print("\n")
  centerText(" Hangar")
  print("\n")
  centerText(" Generator")
  print("\n")
  centerText("Alarm")
  print("\n")
  centerText(" Sign Out")
end

function clear()
  term.clear()
  term.setCursorPos(1,1)
  term.setBackgroundColor(colors.white)
  term.setTextColor(colors.black)
end

function click()
  event, p1, x, y = os.pullEvent(mouse_click)
end
-------------------------
--       Desktop       --
-------------------------
while true do
  clear()
  w()
  click()

  if y == 6 then
    shell.run("light")
    y = 0
    x = 0
  end

  if y == 8 then
    shell.run("hangar")
    y = 0
    x = 0
  end

  if y == 10 then
    shell.run("generator")
    y = 0
    x = 0
  end

  if y == 12 then
    shell.run("alarm")
    y = 0
    x = 0
  end

  if y == 14 then
  shell.run("start")
  y = 0
  x = 0
  end
end
-------------------------