View difference between Paste ID: mga8qSsW and j0X75ECG

 local isUsing = true
 local maxX, maxY = term.getSize()
 local color1 = colors.lime
 local color2 = colors.white
 if fs.exists("/.todocfg") then
   local opfile = fs.open("/.todocfg", "r")
   color1 = tonumber(opfile.readLine())
   color2 = tonumber(opfile.readLine())
   opfile.close()
 end
 
 local colnames = {[0] = "White",
                 [1] = "Orange",
                 [2] = "Magenta",
                 [3] = "Light Blue",
                 [4] = "Yellow",
                 [5] = "Lime",
                 [6] = "Pink",
                 [7] = "Gray",
                 [8] = "Light Gray",
                 [9] = "Cyan",
                 [10] = "Purple",
                 [11] = "Blue",
                 [12] = "Brown",
                 [13] = "Green",
                 [14] = "Red",
                 [15] = "Black"}
 
 local numconv = {[0] = colors.white,
                 [1] = colors.orange,
                 [2] = colors.magenta,
                 [3] = colors.lightBlue,
                 [4] = colors.yellow,
                 [5] = colors.lime,
                 [6] = colors.pink,
                 [7] = colors.gray,
                 [8] = colors.lightGray,
                 [9] = colors.cyan,
                 [10] = colors.purple,
                 [11] = colors.blue,
                 [12] = colors.brown,
                 [13] = colors.green,
                 [14] = colors.red,
                 [15] = colors.black}
 
 --Maybe need to rewrite this :P
 local choice = 0
 local choice2 = 0
 while numconv[choice] ~= color1 do
     choice=choice+1
 end
 while numconv[choice2] ~= color2 do
     choice2=choice2+1
 end
 local taskFile = "/.tasks"
 local page = 1
 local Options = false
 
 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)
  if isUsing and not Options then
     local tasks = getTasks()
     local nMaxY = maxY - 2
 
     term.clear()
     term.setCursorPos(1,1)
     term.setBackgroundColour(color1)
     if color1 ~= color2 and color1 ~= colors.white then
         term.setTextColour(color2)
     elseif color1 == color2 and color1 ~= colors.white then
         term.setTextColor(colors.white)
     else
         term.setTextColor(colors.black)
     end
     term.clearLine()
     print(" + / -  |")
     term.setCursorPos(maxX-12,1)
     print("Options  Exit")
 
     for i=1, nMaxY do
         if i%2 == 1 and color1 ~= color2 then
             term.setBackgroundColour(color2)
             term.setTextColour(color1)
         elseif color1 ~= color2 then
             term.setBackgroundColour(color1)
             term.setTextColour(color2)
         elseif color1 == colors.white then
             term.setBackgroundColor(color1)
             term.setTextColor(colors.black)
         else
             term.setBackgroundColor(color1)
             term.setTextColor(colors.black)
         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 and color1 ~= color2 then
   term.setBackgroundColour(color2)
   term.setTextColour(color1)
  elseif color1 ~= color2 then
   term.setBackgroundColour(color1)
   term.setTextColour(color2)
  elseif color1 == colors.white then
     term.setBackgroundColor(color1)
     term.setTextColor(colors.black)
  else
     term.setBackgroundColor(color1)
     term.setTextColor(colors.white)
  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(">")
  elseif not isUsing and not Options then --Exited program
     term.setBackgroundColor(colors.black)
     term.setTextColor(colors.white)
     term.clear()
     term.setCursorPos(1,1)
     print("Goodbye !")
  elseif isUsing and Options then
     term.setBackgroundColor(colors.gray)
     if color1 ~= colors.white then
         term.setTextColor(colors.white)
     else
         term.setTextColor(colors.black)
     end
     term.clear()
     color1 = numconv[choice]
     color2 = numconv[choice2]
     term.setCursorPos(1,1)
     term.setBackgroundColor(color1)
     term.clearLine()
     term.setCursorPos(maxX-(maxX-2),1)
     print("Options")
     term.setCursorPos(math.ceil(maxX/2)+1,1)
     print("|")
     term.setCursorPos(maxX-6,1)
     print("Return")
     term.setBackgroundColor(colors.gray)
     term.setTextColor(colors.white)
     term.setCursorPos(15,3)
     print("<->")
     paintutils.drawLine(14,4,14+string.len(colnames[choice]),4,numconv[choice])
     term.setCursorPos(3,4)
     if color1 ~= colors.white then
         term.setTextColor(colors.white)
     else
         term.setTextColor(colors.black)
     end
     print("1st color : " .. colnames[choice])
     term.setBackgroundColor(colors.gray)
     paintutils.drawLine(14,6,14+string.len(colnames[choice2]),6,numconv[choice2])
     if color2 ~= colors.white then
         term.setTextColor(colors.white)
     else
         term.setTextColor(colors.black)
     end
     term.setCursorPos(3,6)
     print("2nd color : " .. colnames[choice2])
     term.setBackgroundColor(colors.gray)
     term.setTextColor(colors.white)
     term.setCursorPos(15,7)
     print("<->")
     term.setCursorPos(5,10)
     print("About this program")
     term.setCursorPos(4,12)
     print("HD's Todo list V1.5")
     term.setCursorPos(1,14)
     print("-masterdisasterHD : Orignal program and idea")
     term.setCursorPos(1,17)
     print("-s0r00t : V1.5 enhancements")
 
  end
 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)
  term.setCursorBlink(true)
  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
 
 --Program loop
 redraw(page)
 local maxX, maxY = term.getSize()
 while isUsing do
  sleep(0)
  ev, b, xPos, yPos = os.pullEvent()
  if ev == "mouse_click" then
   if xPos == 2 and yPos == 1 and not Options then
    addTask()
   elseif xPos == 6 and yPos == 1 and not Options then
    delTask()
   elseif xPos >= maxX-12 and xPos <= maxX-4 and yPos == 1 and not Options then
   Options = true
   elseif xPos >=maxX-3 and xPos <= maxX and yPos == 1 and not Options then
   isUsing = false
   elseif xPos == 2 and yPos == maxY and not Options then
    if page > 1 then
     page = page - 1
    end
   elseif xPos == maxX-1 and yPos == maxY and not Options then
    page = page + 1
   elseif xPos > 1 and yPos < maxY and not Options then
    showTask(page, yPos, maxY, maxX)
   elseif xPos >= maxX-6 and xPos <= maxX-1 and yPos == 1 and Options then
    Options = false
    local opfile = fs.open("/.todocfg", "w")
    opfile.writeLine(color1)
    opfile.write(color2)
    opfile.close()
   elseif xPos == 15 and yPos == 3 and Options then
     if choice-1 ~= -1 then
         choice = choice-1
     else
         choice = 15
     end
     redraw(page)
   elseif xPos == 17 and yPos == 3 and Options then
     if choice+1 ~= 16 then
         choice = choice+1
     else
         choice = 0
     end
     redraw(page)
   elseif xPos == 15 and yPos == 7 and Options then
     if choice2-1 ~= -1 then
         choice2 = choice2-1
     else
         choice2 = 15
     end
     redraw(page)
   elseif xPos == 17 and yPos == 7 and Options then
     if choice2+1 ~= 16 then
         choice2 = choice2+1
     else
         choice2 = 0
     end
     redraw(page)
- elseif ev == "mouse_scroll" then
+ elseif ev == "mouse_scroll" and not Options 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
 end