View difference between Paste ID: KenAmyu6 and cZ55qX6B

 local color1 = colors.lime
 local color2 = colors.white
 
 local taskFile = "/.tasks"
 local page = 1
 
 local function getTasks()
  if not fs.exists(taskFile) then
   local A = fs.open(taskFile, "w")
   A.write("{}")
   A.close()
   return {}
  else
   local A = fs.open(taskFile, "r")
   local tmp = textutils.unserialize(A.readAll())
   A.close()
   return tmp
  end
 end
 
 local function redraw(page)
  local tasks = getTasks()
  local maxX, maxY = term.getSize()
  local nMaxY = maxY - 2
 
  term.clear()
  term.setCursorPos(1,1)
  term.setBackgroundColour(color1)
  term.setTextColour(color2)
  term.clearLine()
  print(" + / -  |  HD's Todo list  ")
 
  for i=1, nMaxY do
-  if i%2 == 1 then
+   if i%2 == 1 then
-   term.setBackgroundColour(color2)
+    term.setBackgroundColour(color2)
-   term.setTextColour(color1)
+    term.setTextColour(color1)
    else
-   term.setBackgroundColour(color1)
+    term.setBackgroundColour(color1)
-   term.setTextColour(color2)
+    term.setTextColour(color2)
    end
 
   term.setCursorPos(1,1+i)
   term.clearLine()
 
   local num = i+(nMaxY*(page-1))
 
   if tasks[num] ~= nil then
    write(num..": "..tasks[num])
   else
    write(num..": ")
   end
  end
 
  if maxY%2 == 0 then
   term.setBackgroundColour(color2)
- term.setCursorPos(2,maxY)
+  term.setTextColour(color1)
  else
   term.setBackgroundColour(color1)
   term.setTextColour(color2)
  end
 term.setCursorPos(2,maxY)
  term.clearLine()
  write("<")
  term.setCursorPos((maxX/2-#tostring(page)/2)+1,maxY)
  write(page)
  term.setCursorPos(maxX-1,maxY)
  write(">")
 end
 
 local function saveTasks(tbl)
  local A = fs.open(taskFile, "w")
  A.write(textutils.serialize(tbl))
  A.close()
 end
 
 local function addTask()
  local tasks = getTasks()
  term.setBackgroundColour(colors.black)
  term.setTextColour(colors.white)
  term.clear()
  term.setCursorPos(1,1)
  write("Task: ")
  local tsk = read()
  table.insert(tasks, tsk)
  saveTasks(tasks)
 end
 
 local function delTask()
  local tasks = getTasks()
  term.setBackgroundColour(colors.black)
  term.setTextColour(colors.white)
  term.clear()
  term.setCursorPos(1,1)
  write("Task number: ")
  local tsknmbr = tonumber(read())
  table.remove(tasks, tsknmbr)
  saveTasks(tasks)
 end
 
 local function showTask(pg, pos, h, w)
  local tasks = getTasks()
  local step1 = (h-2)*(pg-1)
  local step2 = (pos-1)+step1
  term.setBackgroundColour(color2)
  term.setTextColour(color1)
  term.clear()
  term.setCursorPos(1,1)
  if tasks[step2] ~= nil then
   write("Task #"..step2..":")
   local text = tasks[step2]
   local k = 1
   for i=1, h-1 do
    term.setCursorPos(1,i+1)
    for j=1,w do
     write(string.sub(text, k, k))
     k = k + 1
    end
   end
  term.setCursorPos(1,h)
  write("Press any key to continue")
  os.pullEvent("key")
  end
 end
- ev, b, xPos, yPos = os.pullEvent("mouse_click")
+
- if xPos == 2 and yPos == 1 then
+
-  addTask()
+
- elseif xPos == 6 and yPos == 1 then
+
-  delTask()
+
- elseif xPos == 2 and yPos == maxY then
+ ev, b, xPos, yPos = os.pullEvent()
-  if page > 1 then
+ if ev == "mouse_click" then
-   page = page - 1
+  if xPos == 2 and yPos == 1 then
    addTask()
- elseif xPos == maxX-1 and yPos == maxY then
+  elseif xPos == 6 and yPos == 1 then
-  page = page + 1
+   delTask()
- elseif xPos > 1 and yPos < maxY then
+  elseif xPos == 2 and yPos == maxY then
-  showTask(page, yPos, maxY, maxX)
+   if page > 1 then
     page = page - 1
    end
   elseif xPos == maxX-1 and yPos == maxY then
    page = page + 1
   elseif xPos > 1 and yPos < maxY then
    showTask(page, yPos, maxY, maxX)
   end
  elseif ev == "mouse_scroll" then
   if b == -1 then
    if page > 1 then page = page - 1 end
   elseif b == 1 then
    page = page + 1
   end
  end
  redraw(page)
 end