tgui 4.0 (#52085)

* tgui 4.0 hyper squash

* Upgrade dependencies

code/game/objects/structures/artstuff.dm

@@ -45,8 +45,6 @@
 	var/height = 11
 	var/list/grid
 	var/canvas_color = "#ffffff" //empty canvas color
-	var/ui_x = 400
-	var/ui_y = 400
 	var/used = FALSE
 	var/painting_name //Painting name, this is set after framing.
 	var/finalized = FALSE //Blocks edits
@@ -75,12 +73,16 @@
 	. = ..()
 	ui_interact(user)
 
-/obj/item/canvas/ui_interact(mob/user, ui_key = "main", datum/tgui/ui = null, force_open = FALSE, \
-										datum/tgui/master_ui = null, datum/ui_state/state = GLOB.default_state)
+/obj/item/canvas/ui_state(mob/user)
+	if(finalized)
+		return GLOB.physical_obscured_state
+	else
+		return GLOB.default_state
 
-	ui = SStgui.try_update_ui(user, src, ui_key, ui, force_open)
+/obj/item/canvas/ui_interact(mob/user, datum/tgui/ui)
+	ui = SStgui.try_update_ui(user, src, ui)
 	if(!ui)
-		ui = new(user, src, ui_key, "Canvas", name, ui_x, ui_y, master_ui, state)
+		ui = new(user, src, "Canvas", name)
 		ui.set_autoupdate(FALSE)
 		ui.open()
 
@@ -190,8 +192,6 @@
 	icon_state = "19x19"
 	width = 19
 	height = 19
-	ui_x = 600
-	ui_y = 600
 	pixel_x = 6
 	pixel_y = 9
 	framed_offset_x = 8
@@ -201,8 +201,6 @@
 	icon_state = "23x19"
 	width = 23
 	height = 19
-	ui_x = 800
-	ui_y = 600
 	pixel_x = 4
 	pixel_y = 10
 	framed_offset_x = 6
@@ -212,8 +210,6 @@
 	icon_state = "23x23"
 	width = 23
 	height = 23
-	ui_x = 800
-	ui_y = 800
 	pixel_x = 5
 	pixel_y = 9
 	framed_offset_x = 5
@@ -263,7 +259,7 @@
 /obj/structure/sign/painting/examine(mob/user)
 	. = ..()
 	if(C)
-		C.ui_interact(user,state = GLOB.physical_obscured_state)
+		C.ui_interact(user)
 
 /obj/structure/sign/painting/wirecutter_act(mob/living/user, obj/item/I)
 	. = ..()

code/game/objects/structures/displaycase.dm

@@ -398,11 +398,10 @@
 	src.icon = I
 	return
 
-/obj/structure/displaycase/forsale/ui_interact(mob/user, ui_key, datum/tgui/ui, force_open, datum/tgui/master_ui, datum/ui_state/state)
-	. = ..()
-	ui = SStgui.try_update_ui(user, src, ui_key, ui, force_open)
+/obj/structure/displaycase/forsale/ui_interact(mob/user, datum/tgui/ui)
+	ui = SStgui.try_update_ui(user, src, ui)
 	if(!ui)
-		ui = new(user, src, ui_key, "Vendatray", name, 300, 270, master_ui, state)
+		ui = new(user, src, "Vendatray", name)
 		ui.set_autoupdate(FALSE)
 		viewing_ui[user] = ui
 		ui.open()

code/game/objects/structures/tank_dispenser.dm

@@ -67,11 +67,13 @@
 	to_chat(user, "<span class='notice'>You put [I] in [src].</span>")
 	update_icon()
 
-/obj/structure/tank_dispenser/ui_interact(mob/user, ui_key = "main", datum/tgui/ui = null, force_open = FALSE, \
-										datum/tgui/master_ui = null, datum/ui_state/state = GLOB.physical_state)
-	ui = SStgui.try_update_ui(user, src, ui_key, ui, force_open)
+/obj/structure/tank_dispenser/ui_state(mob/user)
+	return GLOB.physical_state
+
+/obj/structure/tank_dispenser/ui_interact(mob/user, datum/tgui/ui)
+	ui = SStgui.try_update_ui(user, src, ui)
 	if(!ui)
-		ui = new(user, src, ui_key, "TankDispenser", name, 275, 103, master_ui, state)
+		ui = new(user, src, "TankDispenser", name)
 		ui.open()
 
 /obj/structure/tank_dispenser/ui_data(mob/user)

code/game/objects/structures/votingbox.dm

@@ -35,7 +35,7 @@
 	..()
 	ui_interact(user)
 
-/obj/structure/votebox/ui_interact(mob/user, ui_key, datum/tgui/ui, force_open, datum/tgui/master_ui, datum/ui_state/state)
+/obj/structure/votebox/ui_interact(mob/user)
 	. = ..()
 
 	var/list/dat = list()