Added UI focus tracking

client/ui/UI.gd

@@ -1,6 +1,8 @@
-class_name UIManager
+class_name UI
 extends Node
 
+static var focus: Control
+
 signal chat_message_submitted(message: String)
 
 @export var login: Signal
@@ -11,8 +13,18 @@ signal chat_message_submitted(message: String)
 @export var message_received: Signal
 
 func _enter_tree():
-	if !get_node_or_null("/root/Main"):
-		connect_fake()
+	if get_node_or_null("/root/Main"):
+		return
+	
+	connect_fake()
+
+func _process(_delta):
+	var new_focus := get_viewport().gui_get_focus_owner()
+
+	if new_focus && new_focus.name != "Unfocus":
+		UI.focus = new_focus
+	else:
+		UI.focus = null
 
 func connect_fake():
 	for property in get_property_list():
@@ -21,3 +33,7 @@ func connect_fake():
 		
 		add_user_signal(property.name)
 		set(property.name, Signal(self, property.name))
+
+static func unfocus():
+	if UI.focus:
+		UI.focus.release_focus()