work

code/modules/integrated_electronics/input_output.dm

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+/obj/item/integrated_circuit/input/proc/ask_for_input(mob/user)
+	return
+
+/obj/item/integrated_circuit/input/button
+	name = "button"
+	desc = "This tiny button must do something, right?"
+	icon_state = "button"
+	number_of_inputs = 0
+	number_of_outputs = 0
+	number_of_activators = 1
+	complexity = 1
+	activator_names = list(
+		"on pressed"
+	)
+
+/obj/item/integrated_circuit/input/button/ask_for_input(mob/user) //Bit misleading name for this specific use.
+	var/datum/integrated_io/A = activators[1]
+	if(A.linked.len)
+		for(var/datum/integrated_io/activate/target in A.linked)
+			target.holder.work()
+	user << "<span class='notice'>You press the button labeled '[src.name]'.</span>"
+
+/obj/item/integrated_circuit/input/numberpad
+	name = "number pad"
+	desc = "This small number pad allows someone to input a number into the system."
+	icon_state = "numberpad"
+	number_of_inputs = 0
+	number_of_outputs = 1
+	number_of_activators = 1
+	complexity = 2
+	output_names = list(
+		"number entered"
+	)
+	activator_names = list(
+		"on entered"
+	)
+
+/obj/item/integrated_circuit/input/numberpad/ask_for_input(mob/user)
+	var/new_input = input(user, "Enter a number, please.","Number pad") as num
+	if(new_input && isnum(new_input))
+		var/datum/integrated_io/O = outputs[1]
+		O.data = new_input
+		O.push_data()
+		var/datum/integrated_io/A = activators[1]
+		if(A.linked)
+			A.holder.work()
+
+/obj/item/integrated_circuit/output/screen
+	name = "screen"
+	desc = "This small screen can display a single piece of data, when the machine is examined closely."
+	icon_state = "screen"
+	complexity = 4
+	number_of_inputs = 1
+	number_of_outputs = 0
+	number_of_activators = 1
+	input_names = list(
+		"displayed data"
+	)
+	activator_names = list(
+		"load data"
+	)
+	var/stuff_to_display = null
+
+/obj/item/integrated_circuit/output/screen/work()
+	var/datum/integrated_io/I = inputs[1]
+	stuff_to_display = I.data