:wrench: Replace process toggle by setting processing mode

Prevent other behaviors, like input or physics processing, to occur.

godot/addons/slide_show/projector/slide/Slide.gd

@@ -8,7 +8,7 @@ signal finished
 @export var always_visible: bool = false
 
 @export_group("Processing management", "processing_")
-@export var processing_start_when_enabled := true ## Start processing when focused
+@export var processing_start_when_enabled := true ## Override processing when focused
 @export var processing_keep_when_disabled := false ## Enable to process at startup and keep processing after transitioning to another slide
 
 var action_finish := "ui_accept"
@@ -25,7 +25,7 @@ func disable() -> void:
 
 	if processing_keep_when_disabled:
 		return
-	every_children().all(disable_processing)
+	get_children().all(disable_processing)
 
 
 func enable() -> void:
@@ -33,7 +33,7 @@ func enable() -> void:
 	set_process_unhandled_key_input(true)
 
 	if processing_start_when_enabled:
-		every_children().all(enable_processing)
+		get_children().all(enable_processing)
 
 
 func get_center() -> Vector2:
@@ -51,11 +51,6 @@ func set_action_finish(action_name: String) -> void:
 	action_finish = action_name
 
 
-## Return every children recursively
-func every_children() -> Array[Node]:
-	return find_children("*", "", true)
-
-
 func _unhandled_key_input(event: InputEvent) -> void:
 	if event.is_action(action_finish) and event.is_pressed():
 		finished.emit()
@@ -69,10 +64,10 @@ func _compute_center_offset() -> Vector2:
 
 
 static func enable_processing(node: Node) -> bool:
-	node.set_process(true)
+	node.set_process_mode(Node.PROCESS_MODE_PAUSABLE)
 	return true # to make it work with Array.all()
 
 
 static func disable_processing(node: Node) -> bool:
-	node.set_process(false)
+	node.set_process_mode(Node.PROCESS_MODE_DISABLED)
 	return true # to make it work with Array.all()