How do I use paintutils in a monitor?

I'm trying to make a button program and I don't know how to use paintutils on a monitor. Can someone help me? :D/>

Also, how do I set a specific line to have a color but no else?

You can wrap the monitor using peripheral.wrap:

local mon = peripheral.wrap("back") --Replace back with the monitor side

And then use term.redirect:

term.redirect(mon)

This will redirect all term operations to the monitor.
If you want a line to be blue you can set the cursor position somewhere in that line and then call term.clearLine()

Luca_S, on 05 January 2018 - 11:22 AM said:

If you want a line to be blue you can set the cursor position somewhere in that line and then call term.clearLine()

Remember to set the colour back after this else you'll keep using blue.

Another question, how do I make it so that if a computer senses a bundled cable current, it switches something. Such as if one of my computers were to turn on a reactor, how would I make it so that another computer automatically displays "REACTOR STATUS: ON". And once that computer stops transmitting the other one displays "REACTOR STATUS: OFF"

You'll need your script to listen to redstone events and use testBundledInput to check if the color you want is active.

KingofGamesYami, on 24 January 2018 - 01:48 PM said:

You'll need your script to listen to redstone events and use testBundledInput to check if the color you want is active.

… I don't know how to use this in the program I'm doing lol

EDIT: Plus this gives me no information on how to combine the two. Explain a little better?

PlotTwistGamer, on 24 January 2018 - 11:14 PM said:

… I don't know how to use this in the program I'm doing lol

Yeah, I don't know either, mainly because I haven't seen said program.

PlotTwistGamer, on 24 January 2018 - 11:14 PM said:

EDIT: Plus this gives me no information on how to combine the two. Explain a little better?

The redstone event tells your program WHEN to update, testBundledInput tells you HOW. I assume you can handle writing to the monitor.

PlotTwistGamer, on 24 January 2018 - 11:14 PM said:

KingofGamesYami, on 24 January 2018 - 01:48 PM said:

You'll need your script to listen to redstone events and use testBundledInput to check if the color you want is active.

… I don't know how to use this in the program I'm doing lol

EDIT: Plus this gives me no information on how to combine the two. Explain a little better?

Do you not know what os.pullEvent is? It's simply a function you call to get the next event, in this case a redstone event. It blocks the script until that event is found. So basically:

while true do
  local isOn = redstone.testBundledInput('back', colors.red) --# assuming the cable is connected to the back of the computer and is colored red

  term.setTextColor(colors.white)
  term.setBackgroundColor(colors.black)
  term.clear()
  term.write('Redstone: ')
  term.setTextColor(isOn and colors.green or colors.red) --# colors.green if isOn == true else colors.red
  term.write(isOn and 'ON' or 'OFF') --# 'ON' if isOn == true else 'OFF'

  local evt = os.pullEvent('redstone') --# this line will block until a redstone input changes, then the loop will restart
end

That script is untested, but I think it'll work (written in the post editor, too lazy to start up Minecraft and make a setup right now)