View difference between Paste ID: X8xtcFcn and USW2JL7m

 -- Define the size and position of the monitor window
 local monitor = peripheral.wrap("top")
 local width, height = monitor.getSize()
 local x, y = 1, 1
 
 -- Define the todo list data structure
 local todoList = {}
 
 -- Define the maximum number of items to display on one page
 local maxItemsPerPage = height - 2  -- accounting for borders and prompt
 
 -- Define the background and text colors
 local bgColor = colors.lightGray
 local textColor = colors.white
 
 -- Define the colors for the "+" button
 local addButtonBgColor = colors.green
 local addButtonTextColor = bgColor
 
 -- Define a function to draw the todo list on the monitor
 local function drawTodoList(page)
   -- Clear the monitor
   monitor.setBackgroundColor(bgColor)
   monitor.clear()
   monitor.setCursorPos(1,1)
 
   -- Draw the todo list items for the current page
   local startIndex = (page - 1) * maxItemsPerPage + 1
   local endIndex = math.min(page * maxItemsPerPage, #todoList)
   for i = startIndex, endIndex do
     local listItem = todoList[i]
     monitor.write("- " .. listItem)
     monitor.setCursorPos(1, monitor.getCursorY() + 1)
   end
 
   -- Draw the "+" button at the bottom of the screen
   monitor.setCursorPos(width - 1, height)
   monitor.setBackgroundColor(addButtonBgColor)
   monitor.setTextColor(addButtonTextColor)
   monitor.write("+")
 end
 
 -- Define a function to handle user input (clicks on the monitor)
 local function handleInput()
   -- Define the current page at the beginning of the function
   local page = 1
 
   while true do
     -- Wait for a user input event
     local event, player, x, y = os.pullEvent("monitor_touch")
 
     -- Check if the "+" button was clicked
     if x == width and y == height then
       -- Prompt the user to enter a task, and add it to the todo list if entered
       term.clear()
       term.setCursorPos(1, 1)
       term.setTextColor(textColor)
       term.write("Enter a new task: ")
       local task = io.read()
       if task ~= "" then
         table.insert(todoList, task)
       end
 
       -- Redraw the todo list on the monitor
       drawTodoList(1)
     else
       -- Check if a todo list item was clicked, and remove it if so
       local itemIndex = y + maxItemsPerPage * (page - 1)
       if itemIndex <= #todoList then
         table.remove(todoList, itemIndex)
         drawTodoList(page)
       end
     end
   end
 end
 
 -- Start the program by drawing the initial todo list and handling user input
 drawTodoList(1)
 handleInput()