Part 1

code/datums/components/surgery_initiator.dm

@@ -129,7 +129,7 @@
 				procedure = S
 				break
 	else
-		procedure = input("Begin which procedure?", "Surgery", null, null) as null|anything in available_surgeries
+		procedure = tgui_input_list(usr, "Begin which procedure?", "Surgery", available_surgeries)
 
 	if(!procedure)
 		return

code/game/gamemodes/nuclear/pinpointer.dm

@@ -492,7 +492,7 @@
 		user.visible_message("<span class='notice'>[user]'s pinpointer fails to detect a signal.</span>", "<span class='notice'>Your pinpointer fails to detect a signal.</span>")
 		return
 
-	var/A = input(user, "Person to track", "Pinpoint") in names
+	var/A = tgui_input_list(user, "Person to track", "Pinpoint", names)
 	if(!src || !user || (user.get_active_hand() != src) || user.incapacitated() || !A)
 		return
 

code/game/objects/items/devices/painter/airlock_painter.dm

@@ -23,7 +23,7 @@
 		"Standard" = /obj/machinery/door/airlock)
 
 /datum/painter/airlock/pick_color(mob/user)
-	var/choice = input(user, "Please select a paintjob.") as null|anything in available_paint_jobs
+	var/choice = tgui_input_list(user, "Please select a paintjob.", "Airlock painter", available_paint_jobs)
 	if(!choice)
 		return
 	paint_setting = choice

code/game/objects/items/devices/painter/pipe_painter.dm

@@ -12,7 +12,7 @@
 	paint_setting = pick(modes)
 
 /datum/painter/pipe/pick_color(mob/user)
-	paint_setting = input("Which color do you want to use?", null, paint_setting) in modes
+	paint_setting = tgui_input_list(user, "Which color do you want to use?", "Pick color", paint_setting)
 
 /datum/painter/pipe/paint_atom(atom/target, mob/user)
 	if(!istype(target, /obj/machinery/atmospherics/pipe))

code/game/objects/items/weapons/teleportation.dm

@@ -59,7 +59,7 @@
 		turfs += T
 	if(turfs.len)
 		L["None (Dangerous)"] = pick(turfs)
-	var/t1 = input(user, "Please select a teleporter to lock in on.", "Hand Teleporter") as null|anything in L
+	var/t1 = tgui_input_list(user, "Please select a teleporter to lock in on.", "Hand Teleporter", L)
 	if(!t1 || (!user.is_in_active_hand(src) || user.stat || user.restrained()))
 		return
 	if(active_portals >= 3)

code/game/objects/structures/crates_lockers/closets/cardboardbox.dm

@@ -78,10 +78,10 @@
 			qdel(src)
 			return
 		if(is_pen(W))
-			var/decalselection = input("Please select a decal") as null|anything in list("Atmospherics", "Bartender", "Barber", "Blueshield", "Captain",
+			var/decalselection = tgui_input_list(user, "Please select a decal", "Paint Box", list("Atmospherics", "Bartender", "Barber", "Blueshield", "Captain",
 			"Cargo", "Chief Engineer",	"Chaplain",	"Chef", "Chemist", "Assistant", "Clown", "CMO", "Coroner", "Detective", "Engineering", "Genetics", "HOP",
 			"HOS", "Hydroponics", "Internal Affairs Agent", "Janitor",	"Magistrate", "Medical", "Mime", "Mining", "NT Representative", "Paramedic",
-			"Prisoner",	"Research Director", "Security", "Syndicate", "Therapist", "Virology", "Warden", "Xenobiology")
+			"Prisoner",	"Research Director", "Security", "Syndicate", "Therapist", "Virology", "Warden", "Xenobiology"))
 			if(!decalselection)
 				return
 			if(user.incapacitated())

code/game/objects/structures/dresser.dm

@@ -12,7 +12,7 @@
 	if(ishuman(user) && anchored)
 		var/mob/living/carbon/human/H = user
 
-		var/choice = input(user, "Underwear, Undershirt, or Socks?", "Changing") as null|anything in list("Underwear","Undershirt","Socks")
+		var/choice = tgui_input_list(user, "Underwear, Undershirt, or Socks?", "Changing", list("Underwear","Undershirt","Socks"))
 
 		if(!Adjacent(user))
 			return
@@ -24,7 +24,7 @@
 					if(!(H.dna.species.name in S.species_allowed))
 						continue
 					valid_underwear[underwear] = GLOB.underwear_list[underwear]
-				var/new_underwear = input(user, "Choose your underwear:", "Changing") as null|anything in valid_underwear
+				var/new_underwear = tgui_input_list(user, "Choose your underwear:", "Changing", valid_underwear)
 				if(new_underwear)
 					H.underwear = new_underwear
 
@@ -35,7 +35,7 @@
 					if(!(H.dna.species.name in S.species_allowed))
 						continue
 					valid_undershirts[undershirt] = GLOB.undershirt_list[undershirt]
-				var/new_undershirt = input(user, "Choose your undershirt:", "Changing") as null|anything in valid_undershirts
+				var/new_undershirt = tgui_input_list(user, "Choose your undershirt:", "Changing", valid_undershirts)
 				if(new_undershirt)
 					H.undershirt = new_undershirt
 
@@ -46,7 +46,7 @@
 					if(!(H.dna.species.name in S.species_allowed))
 						continue
 					valid_sockstyles[sockstyle] = GLOB.socks_list[sockstyle]
-				var/new_socks = input(user, "Choose your socks:", "Changing")  as null|anything in valid_sockstyles
+				var/new_socks = tgui_input_list(user, "Choose your socks:", "Changing", valid_sockstyles)
 				if(new_socks)
 					H.socks = new_socks
 

code/modules/client/preference/link_processing.dm

@@ -223,7 +223,10 @@
 						if(can_use_species(user, _species))
 							new_species += _species
 
-					active_character.species = input("Please select a species", "Character Generation", null) in sortTim(new_species, GLOBAL_PROC_REF(cmp_text_asc))
+					active_character.species = tgui_input_list(user, "Please select a species", "Character Generation", new_species)
+					if(!active_character.species)
+						active_character.species = prev_species
+						return
 					var/datum/species/NS = GLOB.all_species[active_character.species]
 					if(!istype(NS)) //The species was invalid. Notify the user and fail out.
 						active_character.species = prev_species
@@ -309,12 +312,14 @@
 						if(!(lang.flags & RESTRICTED))
 							new_languages += lang.name
 
-					active_character.language = input("Please select a secondary language", "Character Generation", null) in sortTim(new_languages, GLOBAL_PROC_REF(cmp_text_asc))
+					active_character.language = tgui_input_list(user, "Please select a secondary language", "Character Generation", new_languages)
+					if(!active_character.language)
+						return
 
 				if("autohiss_mode")
 					if(S.autohiss_basic_map)
 						var/list/autohiss_choice = list("Off" = AUTOHISS_OFF, "Basic" = AUTOHISS_BASIC, "Full" = AUTOHISS_FULL)
-						var/new_autohiss_pref = input(user, "Choose your character's auto-accent level:", "Character Preference") as null|anything in autohiss_choice
+						var/new_autohiss_pref = tgui_input_list(user, "Choose your character's auto-accent level", "Character Preference", autohiss_choice)
 						if(new_autohiss_pref)
 							active_character.autohiss_mode = autohiss_choice[new_autohiss_pref]
 
@@ -324,7 +329,7 @@
 						active_character.metadata = sanitize(copytext(new_metadata,1,MAX_MESSAGE_LEN))
 
 				if("b_type")
-					var/new_b_type = input(user, "Choose your character's blood-type:", "Character Preference") as null|anything in list( "A+", "A-", "B+", "B-", "AB+", "AB-", "O+", "O-" )
+					var/new_b_type = tgui_input_list(user, "Choose your character's blood-type", "Character Preference", list( "A+", "A-", "B+", "B-", "AB+", "AB-", "O+", "O-"))
 					if(new_b_type)
 						active_character.b_type = new_b_type
 
@@ -369,12 +374,12 @@
 								valid_hairstyles += hairstyle
 
 					sortTim(valid_hairstyles, GLOBAL_PROC_REF(cmp_text_asc)) //this alphabetizes the list
-					var/new_h_style = input(user, "Choose your character's hair style:", "Character Preference") as null|anything in valid_hairstyles
+					var/new_h_style = tgui_input_list(user, "Choose your character's hair style:", "Character Preference", valid_hairstyles)
 					if(new_h_style)
 						active_character.h_style = new_h_style
 
 				if("h_grad_style")
-					var/result = input(user, "Choose your character's hair gradient style:", "Character Preference") as null|anything in GLOB.hair_gradients_list
+					var/result = tgui_input_list(user, "Choose your character's hair gradient style", "Character Preference", GLOB.hair_gradients_list)
 					if(result)
 						active_character.h_grad_style = result
 
@@ -414,7 +419,7 @@
 							valid_head_accessory_styles += head_accessory_style
 
 						sortTim(valid_head_accessory_styles, GLOBAL_PROC_REF(cmp_text_asc))
-						var/new_head_accessory_style = input(user, "Choose the style of your character's head accessory:", "Character Preference") as null|anything in valid_head_accessory_styles
+						var/new_head_accessory_style = tgui_input_list(user, "Choose the style of your character's head accessory", "Character Preference", valid_head_accessory_styles)
 						if(new_head_accessory_style)
 							active_character.ha_style = new_head_accessory_style
 
@@ -423,7 +428,6 @@
 						return
 					if(S.bodyflags & HAS_ALT_HEADS) //Species with alt heads.
 						var/list/valid_alt_heads = list()
-						valid_alt_heads["None"] = GLOB.alt_heads_list["None"] //The only null entry should be the "None" option
 						for(var/alternate_head in GLOB.alt_heads_list)
 							var/datum/sprite_accessory/alt_heads/head = GLOB.alt_heads_list[alternate_head]
 							if(!(active_character.species in head.species_allowed))
@@ -431,7 +435,7 @@
 
 							valid_alt_heads += alternate_head
 
-						var/new_alt_head = input(user, "Choose your character's alternate head style:", "Character Preference") as null|anything in valid_alt_heads
+						var/new_alt_head = tgui_input_list(user, "Choose your character's alternate head style", "Character Preference", valid_alt_heads)
 						if(new_alt_head)
 							active_character.alt_head = new_alt_head
 						if(active_character.m_styles["head"])
@@ -443,7 +447,6 @@
 				if("m_style_head")
 					if(S.bodyflags & HAS_HEAD_MARKINGS) //Species with head markings.
 						var/list/valid_markings = list()
-						valid_markings["None"] = GLOB.marking_styles_list["None"]
 						for(var/markingstyle in GLOB.marking_styles_list)
 							var/datum/sprite_accessory/body_markings/head/M = GLOB.marking_styles_list[markingstyle]
 							if(!(active_character.species in M.species_allowed))
@@ -472,7 +475,7 @@
 
 							valid_markings += markingstyle
 						sortTim(valid_markings, GLOBAL_PROC_REF(cmp_text_asc))
-						var/new_marking_style = input(user, "Choose the style of your character's head markings:", "Character Preference", active_character.m_styles["head"]) as null|anything in valid_markings
+						var/new_marking_style = tgui_input_list(user, "Choose the style of your character's head markings:", "Character Preference", valid_markings)
 						if(new_marking_style)
 							active_character.m_styles["head"] = new_marking_style
 
@@ -486,7 +489,6 @@
 				if("m_style_body")
 					if(S.bodyflags & HAS_BODY_MARKINGS) //Species with body markings/tattoos.
 						var/list/valid_markings = list()
-						valid_markings["None"] = GLOB.marking_styles_list["None"]
 						for(var/markingstyle in GLOB.marking_styles_list)
 							var/datum/sprite_accessory/M = GLOB.marking_styles_list[markingstyle]
 							if(!(active_character.species in M.species_allowed))
@@ -496,7 +498,7 @@
 
 							valid_markings += markingstyle
 						sortTim(valid_markings, GLOBAL_PROC_REF(cmp_text_asc))
-						var/new_marking_style = input(user, "Choose the style of your character's body markings:", "Character Preference", active_character.m_styles["body"]) as null|anything in valid_markings
+						var/new_marking_style = tgui_input_list(user, "Choose the style of your character's body markings:", "Character Preference", valid_markings)
 						if(new_marking_style)
 							active_character.m_styles["body"] = new_marking_style
 
@@ -510,7 +512,6 @@
 				if("m_style_tail")
 					if(S.bodyflags & HAS_TAIL_MARKINGS) //Species with tail markings.
 						var/list/valid_markings = list()
-						valid_markings["None"] = GLOB.marking_styles_list["None"]
 						for(var/markingstyle in GLOB.marking_styles_list)
 							var/datum/sprite_accessory/body_markings/tail/M = GLOB.marking_styles_list[markingstyle]
 							if(M.marking_location != "tail")
@@ -526,7 +527,7 @@
 
 							valid_markings += markingstyle
 						sortTim(valid_markings, GLOBAL_PROC_REF(cmp_text_asc))
-						var/new_marking_style = input(user, "Choose the style of your character's tail markings:", "Character Preference", active_character.m_styles["tail"]) as null|anything in valid_markings
+						var/new_marking_style = tgui_input_list(user, "Choose the style of your character's tail markings:", "Character Preference", valid_markings)
 						if(new_marking_style)
 							active_character.m_styles["tail"] = new_marking_style
 
@@ -601,7 +602,7 @@
 							if(active_character.species in SA.species_allowed) //If the user's head is of a species the facial hair style allows, add it to the list.
 								valid_facial_hairstyles += facialhairstyle
 					sortTim(valid_facial_hairstyles, GLOBAL_PROC_REF(cmp_text_asc))
-					var/new_f_style = input(user, "Choose your character's facial-hair style:", "Character Preference")  as null|anything in valid_facial_hairstyles
+					var/new_f_style = tgui_input_list(user, "Choose your character's facial-hair style", "Character Preference", valid_facial_hairstyles)
 					if(new_f_style)
 						active_character.f_style = new_f_style
 
@@ -617,7 +618,7 @@
 							continue
 						valid_underwear[underwear] = GLOB.underwear_list[underwear]
 					sortTim(valid_underwear, GLOBAL_PROC_REF(cmp_text_asc))
-					var/new_underwear = input(user, "Choose your character's underwear:", "Character Preference") as null|anything in valid_underwear
+					var/new_underwear = tgui_input_list(user, "Choose your character's underwear", "Character Preference", valid_underwear)
 					ShowChoices(user)
 					if(new_underwear)
 						active_character.underwear = new_underwear
@@ -633,7 +634,7 @@
 							continue
 						valid_undershirts[undershirt] = GLOB.undershirt_list[undershirt]
 					sortTim(valid_undershirts, GLOBAL_PROC_REF(cmp_text_asc))
-					var/new_undershirt = input(user, "Choose your character's undershirt:", "Character Preference") as null|anything in valid_undershirts
+					var/new_undershirt = tgui_input_list(user, "Choose your character's undershirt", "Character Preference", valid_undershirts)
 					ShowChoices(user)
 					if(new_undershirt)
 						active_character.undershirt = new_undershirt
@@ -650,7 +651,7 @@
 							continue
 						valid_sockstyles[sockstyle] = GLOB.socks_list[sockstyle]
 					sortTim(valid_sockstyles, GLOBAL_PROC_REF(cmp_text_asc))
-					var/new_socks = input(user, "Choose your character's socks:", "Character Preference")  as null|anything in valid_sockstyles
+					var/new_socks = tgui_input_list(user, "Choose your character's socks", "Character Preference", valid_sockstyles)
 					ShowChoices(user)
 					if(new_socks)
 						active_character.socks = new_socks
@@ -691,22 +692,22 @@
 						ooccolor = new_ooccolor
 
 				if("bag")
-					var/new_backbag = input(user, "Choose your character's style of bag:", "Character Preference") as null|anything in GLOB.backbaglist
+					var/new_backbag = tgui_input_list(user, "Choose your character's style of bag", "Character Preference", GLOB.backbaglist)
 					if(new_backbag)
 						active_character.backbag = new_backbag
 
 				if("nt_relation")
-					var/new_relation = input(user, "Choose your relation to NT. Note that this represents what others can find out about your character by researching your background, not what your character actually thinks.", "Character Preference")  as null|anything in list("Loyal", "Supportive", "Neutral", "Skeptical", "Opposed")
+					var/new_relation = tgui_input_list(user, "Choose your relation to NT. Note that this represents what others can find out about your character by researching your background, not what your character actually thinks.", "Character Preference", list("Loyal", "Supportive", "Neutral", "Skeptical", "Opposed"))
 					if(new_relation)
 						active_character.nanotrasen_relation = new_relation
 
 				if("physique")
-					var/new_physique = input(user, "Choose your descriptor for how built your character is on glance.", "Character Preference") as null|anything in GLOB.character_physiques
+					var/new_physique = tgui_input_list(user, "Choose your descriptor for how built your character is on glance.", "Character Preference", GLOB.character_physiques)
 					if(new_physique)
 						active_character.physique = new_physique
 
 				if("height")
-					var/new_height = input(user, "Choose your descriptor for how tall your character is on glance.", "Character Preference") as null|anything in GLOB.character_heights
+					var/new_height = tgui_input_list(user, "Choose your descriptor for how tall your character is on glance.", "Character Preference", GLOB.character_heights)
 					if(new_height)
 						active_character.height = new_height
 
@@ -723,7 +724,7 @@
 					var/valid_limbs = list("Left Leg", "Right Leg", "Left Arm", "Right Arm", "Left Foot", "Right Foot", "Left Hand", "Right Hand")
 					if(S.bodyflags & ALL_RPARTS)
 						valid_limbs = list("Torso", "Lower Body", "Head", "Left Leg", "Right Leg", "Left Arm", "Right Arm", "Left Foot", "Right Foot", "Left Hand", "Right Hand")
-					var/limb_name = input(user, "Which limb do you want to change?") as null|anything in valid_limbs
+					var/limb_name = tgui_input_list(user, "Which limb do you want to change?", "Limbs and Parts", valid_limbs)
 					if(!limb_name) return
 
 					var/limb = null

code/modules/clothing/clothing.dm

@@ -311,7 +311,7 @@
 		return
 
 	var/list/modes = list("Off", "Binary sensors", "Vitals tracker", "Tracking beacon")
-	var/switchMode = input("Select a sensor mode:", "Suit Sensor Mode", modes[sensor_mode + 1]) in modes
+	var/switchMode = tgui_input_list(user, "Select a sensor mode.", "Suit Sensor Mode", modes)
 
 	if(!user.Adjacent(src))
 		to_chat(user, "<span class='warning'>You have moved too far away!</span>")

code/modules/library/library_equipment.dm

@@ -56,7 +56,7 @@
 	if(!length(contents))
 		return
 
-	var/obj/item/book/choice = input(user, "Which book would you like to remove from [src]?") as null|anything in contents
+	var/obj/item/book/choice = tgui_input_list(user, "Which book would you like to remove from [src]?", "Bookcase", contents)
 	if(!choice)
 		return
 	if(user.incapacitated() || !Adjacent(user))

code/modules/mob/dead/observer/observer_base.dm

@@ -401,7 +401,7 @@ This is the proc mobs get to turn into a ghost. Forked from ghostize due to comp
 		if(!QDELETED(mind.current)) // Could change while they're choosing
 			mind.current.remove_status_effect(STATUS_EFFECT_REVIVABLE)
 		SEND_SIGNAL(mind.current, COMSIG_LIVING_SET_DNR)
-		
+
 
 /mob/dead/observer/proc/dead_tele()
 	set category = "Ghost"
@@ -697,15 +697,22 @@ This is the proc mobs get to turn into a ghost. Forked from ghostize due to comp
 	update_sight()
 	to_chat(usr, "You [(ghostvision?"now":"no longer")] have ghost vision.")
 
-/mob/dead/observer/verb/pick_darkness(desired_dark as num)
+/mob/dead/observer/verb/pick_darkness()
 	set name = "Pick Darkness"
 	set desc = "Choose how much darkness you want to see, (0 - 255). Higher numbers being darker."
 	set category = "Ghost"
-	if(isnull(desired_dark))
-		return
 	if(!client)
 		return
-	client.prefs.ghost_darkness_level = clamp(desired_dark, 0, 255)
+	var/darkness_level = tgui_input_list(usr, "Choose your darkness.", "Pick Darkness", list("Darkness", "Twilight", "Brightness", "Custom"))
+	switch(darkness_level)
+		if("Darkness")
+			client.prefs.ghost_darkness_level = 255
+		if("Twilight")
+			client.prefs.ghost_darkness_level = 210
+		if("Brightness")
+			client.prefs.ghost_darkness_level = 0
+		if("Custom")
+			client.prefs.ghost_darkness_level = input(usr,  "Select a new value (0 - 255). Higher numbers being darker.", "Pick Darkness") as null|num
 	client.prefs.save_preferences(src)
 	lighting_alpha = client.prefs.ghost_darkness_level
 	update_sight()

code/modules/paperwork/faxmachine.dm

@@ -227,7 +227,7 @@ GLOBAL_LIST_EMPTY(fax_blacklist)
 					for(var/obj/machinery/photocopier/faxmachine/F in GLOB.allfaxes)
 						if(F.emagged)//we can contact emagged faxes on the station
 							combineddepartments |= F.department
-				destination = input(usr, "To which department?", "Choose a department", "") as null|anything in combineddepartments
+				destination = tgui_input_list(usr, "To which department?", "Choose a department", combineddepartments)
 				if(!destination)
 					destination = lastdestination
 		if("send") // actually send the fax

code/modules/paperwork/pen.dm

@@ -69,7 +69,7 @@
 	update_icon()
 
 /obj/item/pen/multi/proc/select_colour(mob/user as mob)
-	var/newcolour = input(user, "Which colour would you like to use?", name, colour) as null|anything in colour_choices
+	var/newcolour = tgui_input_list(user, "Which colour would you like to use?", name, colour_choices)
 	if(newcolour)
 		colour = newcolour
 		playsound(loc, 'sound/effects/pop.ogg', 50, 1)

code/modules/paperwork/photography.dm

@@ -215,7 +215,7 @@ GLOBAL_LIST_INIT(SpookyGhosts, list("ghost","shade","shade2","ghost-narsie","hor
 	change_size(user)
 
 /obj/item/camera/proc/change_size(mob/user)
-	var/nsize = input("Photo Size","Pick a size of resulting photo.") as null|anything in list(1,3,5,7)
+	var/nsize = tgui_input_list(user, "Photo Size", "Pick a size of resulting photo.", list(1,3,5,7))
 	if(nsize)
 		size = nsize
 		to_chat(user, "<span class='notice'>Camera will now take [size]x[size] photos.</span>")

code/modules/telesci/rcs.dm

@@ -68,7 +68,7 @@
 	if(emagged) // Add an 'Unknown' entry at the end if it's emagged
 		L += "**Unknown**"
 
-	var/select = input("Please select a telepad.", "RCS") in L
+	var/select = tgui_input_list(user, "Please select a telepad.", "RCS", L)
 	if(select == "**Unknown**") // Randomise the teleport location
 		pad = random_coords()
 	else // Else choose the value of the selection