tool extends Node var Accessible = preload("Accessible.gd") var focus_restore_timer = Timer.new() func focused(node): focus_restore_timer.stop() func click_focused(node): pass func restore_focus(): var focus = find_focusable_control(get_tree().root) if focus and not focus.get_focus_owner(): print("Restoring focus.") focus.grab_focus() focus.grab_click_focus() func unfocused(node): focus_restore_timer.start(0.2) func augment_node(node): if node is Control: Accessible.new(node) if not node.is_connected("focus_entered", self, "focused"): node.connect("focus_entered", self, "focused", [node]) if not node.is_connected("mouse_entered", self, "click_focused"): node.connect("mouse_entered", self, "click_focused", [node]) if not node.is_connected("focus_exited", self, "unfocused"): node.connect("focus_exited", self, "unfocused", [node]) if not node.is_connected("mouse_exited", self, "unfocused"): node.connect("mouse_exited", self, "unfocused", [node]) func augment_tree(node): augment_node(node) for child in node.get_children(): augment_tree(child) func set_initial_screen_focus(screen): TTS.speak("%s: screen" % screen, false) var control = find_focusable_control(get_tree().root) if control.get_focus_owner() != null: return self.augment_tree(get_tree().root) var focus = find_focusable_control(get_tree().root) if not focus: return focus.grab_click_focus() focus.grab_focus() func find_focusable_control(node): if node is Control and node.is_visible_in_tree() and (node.focus_mode == Control.FOCUS_CLICK or node.focus_mode == Control.FOCUS_ALL): return node for child in node.get_children(): var result = find_focusable_control(child) if result: return result return null func set_initial_scene_focus(scene): self.augment_tree(get_tree().root) var focus = find_focusable_control(get_tree().root) if not focus: return focus.grab_click_focus() focus.grab_focus() func _enter_tree(): focus_restore_timer.one_shot = true focus_restore_timer.connect("timeout", self, "restore_focus") add_child(focus_restore_timer) get_tree().connect("node_added", self, "augment_tree")