desktop

local w,h = term.getSize()

slc = 0
tBarC = 8
tBartC = colors.white
backColor = 1
isBuild = false
term.setBackgroundColor(backColor)
term.clear()

function time()
  local time = os.time()
  local fTime = textutils.formatTime(time, false)
  term.setCursorPos(w - 7, h)
  term.setBackgroundColor(tBarC)
  term.setTextColor(tBartC)
  write(fTime)
end

function titleBar()
  term.setCursorPos(1,h)
  term.setBackgroundColor(tBarC)
  term.setTextColor(tBartC)
  term.clearLine()
  term.setTextColor(tBartC)
  term.setCursorPos(1, h)
  write(" Menu ")
  term.setCursorPos(w - 5, h)
end

function titleBarMenuClick()
  term.setCursorPos(1,h)
  term.setBackgroundColor(tBarC)
  term.setTextColor(tBartC)
  term.clearLine()
  term.setBackgroundColor(colors.gray)
  term.setCursorPos(1, h)
  write(" Menu ")
end

function drawDesktop()
  term.setBackgroundColor(backColor)
  term.clear()
  bground = paintutils.loadImage("m-os/images/bground")
  paintutils.drawImage(bground,w/2-51/2,h/2-19/2)
  titleBar()
  if isBuild == true then
    term.setBackgroundColor(colors.white)
    term.setTextColor(colors.lightGray)
    term.setCursorPos(w-27,h-2)
    print("M-OS 1.1.1 Deveolper Preview")
    term.setCursorPos(w-27,h-1)
    print("build-4, build date: 4/27/17")
  end
end

function drawMenu1()
  term.setTextColor(tBartC)
  term.setBackgroundColor(tBarC)
  term.setCursorPos(1,h - 9)
  print("           ")
  term.setCursorPos(1,h - 8)
  print(" Settings  ")
  term.setCursorPos(1,h - 7)
  print(" Programs  ")
  term.setCursorPos(1,h - 6)
  print("           ")
  term.setCursorPos(1,h - 5)
  print("  Logoff   ")
  term.setCursorPos(1,h - 4)
  print("           ")
  term.setCursorPos(1, h - 3)
  print(" Shutdown  ")
  term.setCursorPos(1, h - 2)
  print("  Restart  ")
  term.setCursorPos(1, h - 1)
  print("           ")
end



drawDesktop()


while true do
  local event, button, X, Y = os.pullEvent()
  if event == "mouse_click" then
    if X >=2 and X <=6 and Y==h and button ==1 and slc == 0 then
     drawMenu1()
     titleBarMenuClick()
     slc = 1
     sleep(0.2)
     canClick = true
   elseif X>=1 and X<=6 and Y==h and button == 1 and slc == 1 and canClick == true then
     drawDesktop()
     slc = 0
   elseif X>=1 and X<=11 and Y==h - 7 and slc == 1 and button == 1 then
     shell.run("m-os/programs/installed_programs")
   elseif X>=1 and X<=11 and Y==h-8 and slc == 1 and button == 1 then
     shell.run("m-os/settings")
   elseif X>=1 and X<=11 and Y==h-5 and slc == 1 and button == 1 then
     shell.run("m-os/logon")
   elseif X>=1 and X<=11 and Y==h - 2 and slc == 1 and button == 1 then
     os.reboot()
   elseif X>=1 and X<=11 and Y==h - 3 and slc == 1 and button == 1 then
     os.shutdown()
   end
  end
end

local w,h = term.getSize()

local ok, err = pcall(main)
if not ok then
  term.setBackgroundColor(colors.red)
  term.clear()
  term.setBackgroundColor(colors.gray)
  term.setCursorPos(1,1)
  term.clearLine()
  term.setTextColor(colors.white)
  print("Internal System Error")
  term.setBackgroundColor(colors.red)
  print("The following error has occured: " .. err)
  print("Please report this error to MarcoPolo0306. (=")
  print("(Your computer will restart in 15 seconds.)")
  sleep(15)
  os.reboot()
end