class_name Numpad extends Node2D

var numpad_buffer = Array()
var proposed_ask: int
signal ask_proposed

# number entry function called by numbered button children
func keypad_entry(entry: int):
	numpad_buffer.append(str(entry))

func keypad_backspace():
	numpad_buffer.remove_at(-1)

func keypad_submit():
	var keypad_output: String = "".join(numpad_buffer)
	proposed_ask = int(keypad_output)
	ask_proposed.emit()