dockable_panel_reference_control.gd

@tool
extends Container
# Control that mimics its own visibility and rect into another Control.

var reference_to: Control :
	get:
		return _reference_to
	set(control):
		if _reference_to != control:
			if _reference_to:
				_reference_to.disconnect("renamed",Callable(self,"_on_reference_to_renamed"))
				_reference_to.disconnect("minimum_size_changed",Callable(self,"minimum_size_changed"))
			_reference_to = control
			
			emit_signal("minimum_size_changed")
			if not _reference_to:
				return
			_reference_to.connect("renamed",Callable(self,"_on_reference_to_renamed"))
			_reference_to.connect("minimum_size_changed",Callable(self, "minimum_size_changed"))
			_reference_to.visible = visible

var _reference_to: Control = null


func _ready() -> void:
	mouse_filter = MOUSE_FILTER_IGNORE
	set_notify_transform(true)


func _notification(what: int) -> void:
	if what == NOTIFICATION_VISIBILITY_CHANGED and _reference_to:
		_reference_to.visible = visible
	elif what == NOTIFICATION_TRANSFORM_CHANGED and _reference_to:
		_reposition_reference()


func _get_minimum_size() -> Vector2:
	return _reference_to.get_combined_minimum_size() if _reference_to else Vector2.ZERO


func _reposition_reference() -> void:
	_reference_to.global_position = global_position
	_reference_to.size = size


func _on_reference_to_renamed() -> void:
	name = _reference_to.name