ComputerCraft Screen

-- Config
monitor_side = "left"
monitor_width = 30
modem_side = "top"
modem_channel = 100

-- Init modem
modem = peripheral.wrap(modem_side)
modem.open(modem_channel)

-- Init monitor
monitor = peripheral.wrap(monitor_side)
monitor.setBackgroundColor(colors.black)
monitor.setTextColor(colors.white)
monitor.clear()
monitor.setCursorPos(1, 1)

monitor.write("Waiting for messages")
print("Started. Hold Ctrl+T to terminate.")
while true do
    -- Wait for events
    local ev, side, sch, rch, msg, dist = os.pullEvent("modem_message")
    local result = textutils.unserialize(msg)

    -- Draw progress bar
    line = result[1] * 2
    width = (result[3] / result[4]) * monitor_width
    prev = term.redirect(monitor)
    paintutils.drawFilledBox(0, line, monitor_width, line, colors.red)
    paintutils.drawFilledBox(0, line, width, line, colors.green)
    term.redirect(prev)

    -- Draw text
    value = math.floor(result[3] * 100.0) / 100.0
    monitor.setBackgroundColor(colors.black)
    monitor.setCursorPos(1, line - 1)
    monitor.clearLine()
    monitor.write(result[2]..": "..value..result[5])
end