test2

-- vim: set filetype=lua:

if viewportAPI then os.unloadAPI("viewportAPI") end
os.loadAPI("viewportAPI")
if buttonAPI then os.unloadAPI("buttonAPI") end
os.loadAPI("buttonAPI")
if eventDispatcherAPI then os.unloadAPI("eventDispatcherAPI") end
os.loadAPI("eventDispatcherAPI")

t = peripheral.wrap("monitor_0")
viewportMonitor = viewportAPI.new({term = peripheral.wrap("monitor_0")})

a = {}
for i = 1, 10 do
  local row = 1
  local length = (t.getSize() - 1) / 3
  if i > length * row then row = row + 1 end
  a[i] = buttonAPI.new({
    text = tostring(i),
    x = 1 + (i - 1) * 3 - length*(row-1)*3 - bit.brshift(bit.band(row, 2),1),
    y = 1 + 3*(row-1),
    isSticky = false,
    width = 2,
    height = 2
  })
  viewportMonitor:addElement(a[i])
end

viewportMonitor:redraw()