NAT godot playground UI implementation skeleton

projects/nat-godot-playground/scripts/EntryContainer.gd

@@ -0,0 +1,28 @@
+extends PanelContainer
+
+
+# Declare member variables here. Examples:
+# var a = 2
+# var b = "text"
+var z = 0
+
+# Called when the node enters the scene tree for the first time.
+func _ready():
+	pass # Replace with function body.
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+#func _process(delta):
+#	pass
+
+
+func _on_EntryContainer_mouse_entered():
+	var current_focus_z = get_parent().current_focus_z
+	if is_nan(current_focus_z) or current_focus_z <= self.z:
+		get_parent().current_focus = self
+		get_parent().current_focus_z = self.z
+
+func _on_EntryContainer_mouse_exited():
+	if get_parent().current_focus == self:
+		get_parent().current_focus = null
+		get_parent().current_focus_z = NAN