the options screen is 𝔞𝔩𝔦𝔳𝔢.

objects/hud/options_screen.gd

@@ -0,0 +1,27 @@
+extends Control
+
+export (StyleBox) var tab_selected_style
+
+onready var tabs = $Tabs
+
+func focus():
+	visible = true
+	grab_focus()
+
+func _gui_input(event):
+	if event.is_action_pressed("ui_left"):
+		tabs.current_tab = posmod(tabs.current_tab - 1, tabs.get_child_count())
+	elif event.is_action_pressed("ui_right"):
+		tabs.current_tab = posmod(tabs.current_tab + 1, tabs.get_child_count())
+	elif event.is_action_pressed("ui_down"):
+		var current_tab = tabs.get_current_tab_control()
+		current_tab.get_node(current_tab.focus_neighbour_bottom).grab_focus()
+	accept_event()
+
+
+func _on_tabs_focus_entered():
+	tabs.set("custom_styles/tab_fg", tab_selected_style)
+
+
+func _on_tabs_focus_exited():
+	tabs.set("custom_styles/tab_fg", null)