makeButton

--label, row, column, background, text color
local args = { ... }

--Set variables
local length = 10
local height = 3
local label = args[1] or "EMPTY"
local tx  = args[2] or 1
local ty  = args[3] or 1
local color = args[4] or colors.blue
local text = args[5] or colors.white

--Set monitor properties
mon = peripheral.wrap("monitor_1")
mon.setTextScale(0.5)

--Calculate offset and position
offsetX = (tx-1) * length + 1
posX = offsetX + math.floor((length - #label)/2)
posY = (ty-1) * height + 1

--Draw button first
mon.setBackgroundColor(tonumber(color))
mon.setTextColor(tonumber(text))
mon.setCursorPos(offsetX,posY)
mon.write(string.rep(" ", length))
mon.setCursorPos(offsetX,posY+1)
mon.write(string.rep(" ", length))
mon.setCursorPos(offsetX,posY+2)
mon.write(string.rep(" ", length))

--Draw label afterwards
mon.setCursorPos(posX,posY+1)
mon.write(label)